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| author | Michael Büsch <mb@bu3sch.de> | 2008-02-15 22:47:47 +0000 |
|---|---|---|
| committer | Michael Büsch <mb@bu3sch.de> | 2008-02-15 22:47:47 +0000 |
| commit | 99aaf500ed5ca39f30cebf79dc0ee9ff1fd8becf (patch) | |
| tree | 382f2e40c89aea52fbc7223c66466e1cd4138def /package/mac80211 | |
| parent | 4e45a1d1acaaf25be8bd435031634ad23a5a205d (diff) | |
| download | mtk-20170518-99aaf500ed5ca39f30cebf79dc0ee9ff1fd8becf.zip mtk-20170518-99aaf500ed5ca39f30cebf79dc0ee9ff1fd8becf.tar.gz mtk-20170518-99aaf500ed5ca39f30cebf79dc0ee9ff1fd8becf.tar.bz2 | |
Upgrade b43 and mac80211.
This also temporarly disables hostapd support for mac80211, as hostapd needs patches to compile against latest mac80211.
Will do that in a seperate patch.
SVN-Revision: 10466
Diffstat (limited to 'package/mac80211')
72 files changed, 10097 insertions, 7286 deletions
diff --git a/package/mac80211/Makefile b/package/mac80211/Makefile index 723ba77..9d8320e 100644 --- a/package/mac80211/Makefile +++ b/package/mac80211/Makefile @@ -28,11 +28,12 @@ define KernelPackage/mac80211/description Linux 802.11 Wireless Networking Stack endef -CONFOPTS:=MAC80211 CFG80211 NL80211 +CONFOPTS:=MAC80211 CFG80211 NL80211 MAC80211_RC_DEFAULT_PID MAC80211_RC_PID BUILDFLAGS:= \ - $(foreach opt,$(CONFOPTS),-DCONFIG_$(opt) -DCONFIG_MAC80211_RCSIMPLE=1) \ - $(if $(CONFIG_LEDS_TRIGGERS), -DCONFIG_MAC80211_LEDS -DCONFIG_LEDS_TRIGGERS) + $(foreach opt,$(CONFOPTS),-DCONFIG_$(opt)) \ + $(if $(CONFIG_LEDS_TRIGGERS), -DCONFIG_MAC80211_LEDS -DCONFIG_LEDS_TRIGGERS) \ + -D__CONFIG_MAC80211_RC_DEFAULT=pid MAKE_OPTS:= \ CROSS_COMPILE="$(TARGET_CROSS)" \ @@ -40,7 +41,7 @@ MAKE_OPTS:= \ EXTRA_CFLAGS="$(BUILDFLAGS)" \ $(foreach opt,$(CONFOPTS),CONFIG_$(opt)=m) \ CONFIG_NL80211=y \ - CONFIG_MAC80211_RCSIMPLE=y \ + CONFIG_MAC80211_RC_PID=y \ CONFIG_MAC80211_LEDS=$(CONFIG_LEDS_TRIGGERS) \ LINUXINCLUDE="-I$(PKG_BUILD_DIR)/include -I$(LINUX_DIR)/include -include linux/autoconf.h" \ diff --git a/package/mac80211/patches/000-mac80211_update.patch b/package/mac80211/patches/000-mac80211_update.patch deleted file mode 100644 index 7a1a1e2..0000000 --- a/package/mac80211/patches/000-mac80211_update.patch +++ /dev/null @@ -1,933 +0,0 @@ -Index: mac80211/include/linux/ieee80211.h -=================================================================== ---- mac80211.orig/include/linux/ieee80211.h 2007-11-11 15:45:23.153490050 +0100 -+++ mac80211/include/linux/ieee80211.h 2007-11-11 15:45:30.417904025 +0100 -@@ -81,18 +81,18 @@ - - - /* miscellaneous IEEE 802.11 constants */ --#define IEEE80211_MAX_FRAG_THRESHOLD 2346 --#define IEEE80211_MAX_RTS_THRESHOLD 2347 -+#define IEEE80211_MAX_FRAG_THRESHOLD 2352 -+#define IEEE80211_MAX_RTS_THRESHOLD 2353 - #define IEEE80211_MAX_AID 2007 - #define IEEE80211_MAX_TIM_LEN 251 --#define IEEE80211_MAX_DATA_LEN 2304 - /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section - 6.2.1.1.2. - -- The figure in section 7.1.2 suggests a body size of up to 2312 -- bytes is allowed, which is a bit confusing, I suspect this -- represents the 2304 bytes of real data, plus a possible 8 bytes of -- WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ -+ 802.11e clarifies the figure in section 7.1.2. The frame body is -+ up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ -+#define IEEE80211_MAX_DATA_LEN 2304 -+/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ -+#define IEEE80211_MAX_FRAME_LEN 2352 - - #define IEEE80211_MAX_SSID_LEN 32 - -Index: mac80211/include/linux/nl80211.h -=================================================================== ---- mac80211.orig/include/linux/nl80211.h 2007-11-11 15:45:23.161490506 +0100 -+++ mac80211/include/linux/nl80211.h 2007-11-11 15:45:30.421904255 +0100 -@@ -25,7 +25,7 @@ - * either a dump request on a %NL80211_ATTR_WIPHY or a specific get - * on an %NL80211_ATTR_IFINDEX is supported. - * @NL80211_CMD_SET_INTERFACE: Set type of a virtual interface, requires -- %NL80211_ATTR_IFINDEX and %NL80211_ATTR_IFTYPE. -+ * %NL80211_ATTR_IFINDEX and %NL80211_ATTR_IFTYPE. - * @NL80211_CMD_NEW_INTERFACE: Newly created virtual interface or response - * to %NL80211_CMD_GET_INTERFACE. Has %NL80211_ATTR_IFINDEX, - * %NL80211_ATTR_WIPHY and %NL80211_ATTR_IFTYPE attributes. Can also -Index: mac80211/include/net/mac80211.h -=================================================================== ---- mac80211.orig/include/net/mac80211.h 2007-11-11 15:45:23.169490961 +0100 -+++ mac80211/include/net/mac80211.h 2007-11-11 15:45:30.429904707 +0100 -@@ -706,11 +706,16 @@ - * - * @queues: number of available hardware transmit queues for - * data packets. WMM/QoS requires at least four. -+ * -+ * @rate_control_algorithm: rate control algorithm for this hardware. -+ * If unset (NULL), the default algorithm will be used. Must be -+ * set before calling ieee80211_register_hw(). - */ - struct ieee80211_hw { - struct ieee80211_conf conf; - struct wiphy *wiphy; - struct workqueue_struct *workqueue; -+ const char *rate_control_algorithm; - void *priv; - u32 flags; - unsigned int extra_tx_headroom; -@@ -936,27 +941,11 @@ - * and remove_interface calls, i.e. while the interface with the - * given local_address is enabled. - * -- * @set_ieee8021x: Enable/disable IEEE 802.1X. This item requests wlan card -- * to pass unencrypted EAPOL-Key frames even when encryption is -- * configured. If the wlan card does not require such a configuration, -- * this function pointer can be set to NULL. -- * -- * @set_port_auth: Set port authorization state (IEEE 802.1X PAE) to be -- * authorized (@authorized=1) or unauthorized (=0). This function can be -- * used if the wlan hardware or low-level driver implements PAE. -- * mac80211 will filter frames based on authorization state in any case, -- * so this function pointer can be NULL if low-level driver does not -- * require event notification about port state changes. -- * - * @hw_scan: Ask the hardware to service the scan request, no need to start - * the scan state machine in stack. - * - * @get_stats: return low-level statistics - * -- * @set_privacy_invoked: For devices that generate their own beacons and probe -- * response or association responses this updates the state of privacy_invoked -- * returns 0 for success or an error number. -- * - * @get_sequence_counter: For devices that have internal sequence counters this - * callback allows mac80211 to access the current value of a counter. - * This callback seems not well-defined, tell us if you need it. -@@ -1029,14 +1018,9 @@ - int (*set_key)(struct ieee80211_hw *hw, enum set_key_cmd cmd, - const u8 *local_address, const u8 *address, - struct ieee80211_key_conf *key); -- int (*set_ieee8021x)(struct ieee80211_hw *hw, int use_ieee8021x); -- int (*set_port_auth)(struct ieee80211_hw *hw, u8 *addr, -- int authorized); - int (*hw_scan)(struct ieee80211_hw *hw, u8 *ssid, size_t len); - int (*get_stats)(struct ieee80211_hw *hw, - struct ieee80211_low_level_stats *stats); -- int (*set_privacy_invoked)(struct ieee80211_hw *hw, -- int privacy_invoked); - int (*get_sequence_counter)(struct ieee80211_hw *hw, - u8* addr, u8 keyidx, u8 txrx, - u32* iv32, u16* iv16); -Index: mac80211/net/mac80211/aes_ccm.c -=================================================================== ---- mac80211.orig/net/mac80211/aes_ccm.c 2007-11-11 15:45:23.177491419 +0100 -+++ mac80211/net/mac80211/aes_ccm.c 2007-11-11 15:45:30.433904936 +0100 -@@ -7,10 +7,10 @@ - * published by the Free Software Foundation. - */ - -+#include <linux/kernel.h> - #include <linux/types.h> - #include <linux/crypto.h> - #include <linux/err.h> --#include <asm/scatterlist.h> - - #include <net/mac80211.h> - #include "ieee80211_key.h" -@@ -63,7 +63,7 @@ - s_0 = scratch + AES_BLOCK_LEN; - e = scratch + 2 * AES_BLOCK_LEN; - -- num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN; -+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN); - last_len = data_len % AES_BLOCK_LEN; - aes_ccm_prepare(tfm, b_0, aad, b, s_0, b); - -@@ -102,7 +102,7 @@ - s_0 = scratch + AES_BLOCK_LEN; - a = scratch + 2 * AES_BLOCK_LEN; - -- num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN; -+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN); - last_len = data_len % AES_BLOCK_LEN; - aes_ccm_prepare(tfm, b_0, aad, b, s_0, a); - -Index: mac80211/net/mac80211/ieee80211.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211.c 2007-11-11 15:45:23.185491871 +0100 -+++ mac80211/net/mac80211/ieee80211.c 2007-11-11 15:45:30.437905164 +0100 -@@ -1061,7 +1061,8 @@ - ieee80211_debugfs_add_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev)); - ieee80211_if_set_type(local->mdev, IEEE80211_IF_TYPE_AP); - -- result = ieee80211_init_rate_ctrl_alg(local, NULL); -+ result = ieee80211_init_rate_ctrl_alg(local, -+ hw->rate_control_algorithm); - if (result < 0) { - printk(KERN_DEBUG "%s: Failed to initialize rate control " - "algorithm\n", wiphy_name(local->hw.wiphy)); -@@ -1222,8 +1223,17 @@ - - BUILD_BUG_ON(sizeof(struct ieee80211_tx_packet_data) > sizeof(skb->cb)); - -+#ifdef CONFIG_MAC80211_RCSIMPLE -+ ret = ieee80211_rate_control_register(&mac80211_rcsimple); -+ if (ret) -+ return ret; -+#endif -+ - ret = ieee80211_wme_register(); - if (ret) { -+#ifdef CONFIG_MAC80211_RCSIMPLE -+ ieee80211_rate_control_unregister(&mac80211_rcsimple); -+#endif - printk(KERN_DEBUG "ieee80211_init: failed to " - "initialize WME (err=%d)\n", ret); - return ret; -@@ -1237,6 +1247,10 @@ - - static void __exit ieee80211_exit(void) - { -+#ifdef CONFIG_MAC80211_RCSIMPLE -+ ieee80211_rate_control_unregister(&mac80211_rcsimple); -+#endif -+ - ieee80211_wme_unregister(); - ieee80211_debugfs_netdev_exit(); - } -Index: mac80211/net/mac80211/ieee80211_i.h -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_i.h 2007-11-11 15:45:23.189492100 +0100 -+++ mac80211/net/mac80211/ieee80211_i.h 2007-11-11 15:45:30.441905395 +0100 -@@ -232,6 +232,7 @@ - #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) - #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) - #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) -+#define IEEE80211_STA_PRIVACY_INVOKED BIT(13) - struct ieee80211_if_sta { - enum { - IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, -@@ -261,7 +262,6 @@ - unsigned long request; - struct sk_buff_head skb_queue; - -- int key_management_enabled; - unsigned long last_probe; - - #define IEEE80211_AUTH_ALG_OPEN BIT(0) -Index: mac80211/net/mac80211/ieee80211_ioctl.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_ioctl.c 2007-11-11 15:45:23.197492559 +0100 -+++ mac80211/net/mac80211/ieee80211_ioctl.c 2007-11-11 15:45:30.441905395 +0100 -@@ -305,9 +305,12 @@ - ((chan->chan == channel) || (chan->freq == freq))) { - local->oper_channel = chan; - local->oper_hw_mode = mode; -- set++; -+ set = 1; -+ break; - } - } -+ if (set) -+ break; - } - - if (set) { -@@ -507,10 +510,11 @@ - - static int ieee80211_ioctl_siwscan(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ struct iw_scan_req *req = NULL; - u8 *ssid = NULL; - size_t ssid_len = 0; - -@@ -535,6 +539,14 @@ - return -EOPNOTSUPP; - } - -+ /* if SSID was specified explicitly then use that */ -+ if (wrqu->data.length == sizeof(struct iw_scan_req) && -+ wrqu->data.flags & IW_SCAN_THIS_ESSID) { -+ req = (struct iw_scan_req *)extra; -+ ssid = req->essid; -+ ssid_len = req->essid_len; -+ } -+ - return ieee80211_sta_req_scan(dev, ssid, ssid_len); - } - -@@ -621,22 +633,35 @@ - { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - bool need_reconfig = 0; -+ u8 new_power_level; - - if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) - return -EINVAL; - if (data->txpower.flags & IW_TXPOW_RANGE) - return -EINVAL; -- if (!data->txpower.fixed) -- return -EINVAL; - -- if (local->hw.conf.power_level != data->txpower.value) { -- local->hw.conf.power_level = data->txpower.value; -+ if (data->txpower.fixed) { -+ new_power_level = data->txpower.value; -+ } else { -+ /* Automatic power level. Get the px power from the current -+ * channel. */ -+ struct ieee80211_channel* chan = local->oper_channel; -+ if (!chan) -+ return -EINVAL; -+ -+ new_power_level = chan->power_level; -+ } -+ -+ if (local->hw.conf.power_level != new_power_level) { -+ local->hw.conf.power_level = new_power_level; - need_reconfig = 1; - } -+ - if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) { - local->hw.conf.radio_enabled = !(data->txpower.disabled); - need_reconfig = 1; - } -+ - if (need_reconfig) { - ieee80211_hw_config(local); - /* The return value of hw_config is not of big interest here, -@@ -904,7 +929,6 @@ - struct iw_request_info *info, - struct iw_param *data, char *extra) - { -- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - int ret = 0; - -@@ -914,18 +938,21 @@ - case IW_AUTH_CIPHER_GROUP: - case IW_AUTH_WPA_ENABLED: - case IW_AUTH_RX_UNENCRYPTED_EAPOL: -- break; - case IW_AUTH_KEY_MGMT: -+ break; -+ case IW_AUTH_PRIVACY_INVOKED: - if (sdata->type != IEEE80211_IF_TYPE_STA) - ret = -EINVAL; - else { -+ sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED; - /* -- * Key management was set by wpa_supplicant, -- * we only need this to associate to a network -- * that has privacy enabled regardless of not -- * having a key. -+ * Privacy invoked by wpa_supplicant, store the -+ * value and allow associating to a protected -+ * network without having a key up front. - */ -- sdata->u.sta.key_management_enabled = !!data->value; -+ if (data->value) -+ sdata->u.sta.flags |= -+ IEEE80211_STA_PRIVACY_INVOKED; - } - break; - case IW_AUTH_80211_AUTH_ALG: -@@ -935,11 +962,6 @@ - else - ret = -EOPNOTSUPP; - break; -- case IW_AUTH_PRIVACY_INVOKED: -- if (local->ops->set_privacy_invoked) -- ret = local->ops->set_privacy_invoked( -- local_to_hw(local), data->value); -- break; - default: - ret = -EOPNOTSUPP; - break; -Index: mac80211/net/mac80211/ieee80211_rate.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_rate.c 2007-11-11 15:45:23.205493011 +0100 -+++ mac80211/net/mac80211/ieee80211_rate.c 2007-11-11 15:45:30.441905395 +0100 -@@ -25,13 +25,25 @@ - { - struct rate_control_alg *alg; - -+ if (!ops->name) -+ return -EINVAL; -+ -+ mutex_lock(&rate_ctrl_mutex); -+ list_for_each_entry(alg, &rate_ctrl_algs, list) { -+ if (!strcmp(alg->ops->name, ops->name)) { -+ /* don't register an algorithm twice */ -+ WARN_ON(1); -+ return -EALREADY; -+ } -+ } -+ - alg = kzalloc(sizeof(*alg), GFP_KERNEL); - if (alg == NULL) { -+ mutex_unlock(&rate_ctrl_mutex); - return -ENOMEM; - } - alg->ops = ops; - -- mutex_lock(&rate_ctrl_mutex); - list_add_tail(&alg->list, &rate_ctrl_algs); - mutex_unlock(&rate_ctrl_mutex); - -@@ -61,9 +73,12 @@ - struct rate_control_alg *alg; - struct rate_control_ops *ops = NULL; - -+ if (!name) -+ return NULL; -+ - mutex_lock(&rate_ctrl_mutex); - list_for_each_entry(alg, &rate_ctrl_algs, list) { -- if (!name || !strcmp(alg->ops->name, name)) -+ if (!strcmp(alg->ops->name, name)) - if (try_module_get(alg->ops->module)) { - ops = alg->ops; - break; -@@ -80,9 +95,12 @@ - { - struct rate_control_ops *ops; - -+ if (!name) -+ name = "simple"; -+ - ops = ieee80211_try_rate_control_ops_get(name); - if (!ops) { -- request_module("rc80211_%s", name ? name : "default"); -+ request_module("rc80211_%s", name); - ops = ieee80211_try_rate_control_ops_get(name); - } - return ops; -Index: mac80211/net/mac80211/ieee80211_rate.h -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_rate.h 2007-11-11 15:45:23.213493469 +0100 -+++ mac80211/net/mac80211/ieee80211_rate.h 2007-11-11 15:45:30.445905621 +0100 -@@ -65,6 +65,9 @@ - struct kref kref; - }; - -+/* default 'simple' algorithm */ -+extern struct rate_control_ops mac80211_rcsimple; -+ - int ieee80211_rate_control_register(struct rate_control_ops *ops); - void ieee80211_rate_control_unregister(struct rate_control_ops *ops); - -Index: mac80211/net/mac80211/ieee80211_sta.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_sta.c 2007-11-11 15:45:23.217493699 +0100 -+++ mac80211/net/mac80211/ieee80211_sta.c 2007-11-11 15:46:32.885463850 +0100 -@@ -12,7 +12,6 @@ - */ - - /* TODO: -- * BSS table: use <BSSID,SSID> as the key to support multi-SSID APs - * order BSS list by RSSI(?) ("quality of AP") - * scan result table filtering (by capability (privacy, IBSS/BSS, WPA/RSN IE, - * SSID) -@@ -61,7 +60,8 @@ - static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst, - u8 *ssid, size_t ssid_len); - static struct ieee80211_sta_bss * --ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid); -+ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int channel, -+ u8 *ssid, u8 ssid_len); - static void ieee80211_rx_bss_put(struct net_device *dev, - struct ieee80211_sta_bss *bss); - static int ieee80211_sta_find_ibss(struct net_device *dev, -@@ -108,14 +108,11 @@ - u8 wmm_param_len; - }; - --enum ParseRes { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 }; -- --static enum ParseRes ieee802_11_parse_elems(u8 *start, size_t len, -- struct ieee802_11_elems *elems) -+static void ieee802_11_parse_elems(u8 *start, size_t len, -+ struct ieee802_11_elems *elems) - { - size_t left = len; - u8 *pos = start; -- int unknown = 0; - - memset(elems, 0, sizeof(*elems)); - -@@ -126,15 +123,8 @@ - elen = *pos++; - left -= 2; - -- if (elen > left) { --#if 0 -- if (net_ratelimit()) -- printk(KERN_DEBUG "IEEE 802.11 element parse " -- "failed (id=%d elen=%d left=%d)\n", -- id, elen, left); --#endif -- return ParseFailed; -- } -+ if (elen > left) -+ return; - - switch (id) { - case WLAN_EID_SSID: -@@ -201,28 +191,15 @@ - elems->ext_supp_rates_len = elen; - break; - default: --#if 0 -- printk(KERN_DEBUG "IEEE 802.11 element parse ignored " -- "unknown element (id=%d elen=%d)\n", -- id, elen); --#endif -- unknown++; - break; - } - - left -= elen; - pos += elen; - } -- -- /* Do not trigger error if left == 1 as Apple Airport base stations -- * send AssocResps that are one spurious byte too long. */ -- -- return unknown ? ParseUnknown : ParseOK; - } - - -- -- - static int ecw2cw(int ecw) - { - int cw = 1; -@@ -426,7 +403,9 @@ - if (sdata->type != IEEE80211_IF_TYPE_STA) - return; - -- bss = ieee80211_rx_bss_get(dev, ifsta->bssid); -+ bss = ieee80211_rx_bss_get(dev, ifsta->bssid, -+ local->hw.conf.channel, -+ ifsta->ssid, ifsta->ssid_len); - if (bss) { - if (bss->has_erp_value) - ieee80211_handle_erp_ie(dev, bss->erp_value); -@@ -571,7 +550,8 @@ - capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME | - WLAN_CAPABILITY_SHORT_PREAMBLE; - } -- bss = ieee80211_rx_bss_get(dev, ifsta->bssid); -+ bss = ieee80211_rx_bss_get(dev, ifsta->bssid, local->hw.conf.channel, -+ ifsta->ssid, ifsta->ssid_len); - if (bss) { - if (bss->capability & WLAN_CAPABILITY_PRIVACY) - capab |= WLAN_CAPABILITY_PRIVACY; -@@ -719,24 +699,30 @@ - static int ieee80211_privacy_mismatch(struct net_device *dev, - struct ieee80211_if_sta *ifsta) - { -+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sta_bss *bss; -- int res = 0; -+ int bss_privacy; -+ int wep_privacy; -+ int privacy_invoked; - -- if (!ifsta || (ifsta->flags & IEEE80211_STA_MIXED_CELL) || -- ifsta->key_management_enabled) -+ if (!ifsta || (ifsta->flags & IEEE80211_STA_MIXED_CELL)) - return 0; - -- bss = ieee80211_rx_bss_get(dev, ifsta->bssid); -+ bss = ieee80211_rx_bss_get(dev, ifsta->bssid, local->hw.conf.channel, -+ ifsta->ssid, ifsta->ssid_len); - if (!bss) - return 0; - -- if (ieee80211_sta_wep_configured(dev) != -- !!(bss->capability & WLAN_CAPABILITY_PRIVACY)) -- res = 1; -+ bss_privacy = !!(bss->capability & WLAN_CAPABILITY_PRIVACY); -+ wep_privacy = !!ieee80211_sta_wep_configured(dev); -+ privacy_invoked = !!(ifsta->flags & IEEE80211_STA_PRIVACY_INVOKED); - - ieee80211_rx_bss_put(dev, bss); - -- return res; -+ if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked)) -+ return 0; -+ -+ return 1; - } - - -@@ -920,12 +906,7 @@ - - printk(KERN_DEBUG "%s: replying to auth challenge\n", dev->name); - pos = mgmt->u.auth.variable; -- if (ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems) -- == ParseFailed) { -- printk(KERN_DEBUG "%s: failed to parse Auth(challenge)\n", -- dev->name); -- return; -- } -+ ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems); - if (!elems.challenge) { - printk(KERN_DEBUG "%s: no challenge IE in shared key auth " - "frame\n", dev->name); -@@ -1214,12 +1195,7 @@ - } - - pos = mgmt->u.assoc_resp.variable; -- if (ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems) -- == ParseFailed) { -- printk(KERN_DEBUG "%s: failed to parse AssocResp\n", -- dev->name); -- return; -- } -+ ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems); - - if (!elems.supp_rates) { - printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n", -@@ -1231,7 +1207,9 @@ - * update our stored copy */ - if (elems.erp_info && elems.erp_info_len >= 1) { - struct ieee80211_sta_bss *bss -- = ieee80211_rx_bss_get(dev, ifsta->bssid); -+ = ieee80211_rx_bss_get(dev, ifsta->bssid, -+ local->hw.conf.channel, -+ ifsta->ssid, ifsta->ssid_len); - if (bss) { - bss->erp_value = elems.erp_info[0]; - bss->has_erp_value = 1; -@@ -1261,7 +1239,9 @@ - " AP\n", dev->name); - return; - } -- bss = ieee80211_rx_bss_get(dev, ifsta->bssid); -+ bss = ieee80211_rx_bss_get(dev, ifsta->bssid, -+ local->hw.conf.channel, -+ ifsta->ssid, ifsta->ssid_len); - if (bss) { - sta->last_rssi = bss->rssi; - sta->last_signal = bss->signal; -@@ -1337,7 +1317,8 @@ - - - static struct ieee80211_sta_bss * --ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid) -+ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid, int channel, -+ u8 *ssid, u8 ssid_len) - { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sta_bss *bss; -@@ -1348,6 +1329,11 @@ - atomic_inc(&bss->users); - atomic_inc(&bss->users); - memcpy(bss->bssid, bssid, ETH_ALEN); -+ bss->channel = channel; -+ if (ssid && ssid_len <= IEEE80211_MAX_SSID_LEN) { -+ memcpy(bss->ssid, ssid, ssid_len); -+ bss->ssid_len = ssid_len; -+ } - - spin_lock_bh(&local->sta_bss_lock); - /* TODO: order by RSSI? */ -@@ -1359,7 +1345,8 @@ - - - static struct ieee80211_sta_bss * --ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid) -+ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int channel, -+ u8 *ssid, u8 ssid_len) - { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sta_bss *bss; -@@ -1367,7 +1354,10 @@ - spin_lock_bh(&local->sta_bss_lock); - bss = local->sta_bss_hash[STA_HASH(bssid)]; - while (bss) { -- if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) { -+ if (!memcmp(bss->bssid, bssid, ETH_ALEN) && -+ bss->channel == channel && -+ bss->ssid_len == ssid_len && -+ (ssid_len == 0 || !memcmp(bss->ssid, ssid, ssid_len))) { - atomic_inc(&bss->users); - break; - } -@@ -1429,7 +1419,7 @@ - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee802_11_elems elems; - size_t baselen; -- int channel, invalid = 0, clen; -+ int channel, clen; - struct ieee80211_sta_bss *bss; - struct sta_info *sta; - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); -@@ -1473,9 +1463,7 @@ - #endif /* CONFIG_MAC80211_IBSS_DEBUG */ - } - -- if (ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, -- &elems) == ParseFailed) -- invalid = 1; -+ ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems); - - if (sdata->type == IEEE80211_IF_TYPE_IBSS && elems.supp_rates && - memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0 && -@@ -1533,9 +1521,11 @@ - else - channel = rx_status->channel; - -- bss = ieee80211_rx_bss_get(dev, mgmt->bssid); -+ bss = ieee80211_rx_bss_get(dev, mgmt->bssid, channel, -+ elems.ssid, elems.ssid_len); - if (!bss) { -- bss = ieee80211_rx_bss_add(dev, mgmt->bssid); -+ bss = ieee80211_rx_bss_add(dev, mgmt->bssid, channel, -+ elems.ssid, elems.ssid_len); - if (!bss) - return; - } else { -@@ -1561,10 +1551,6 @@ - - bss->beacon_int = le16_to_cpu(mgmt->u.beacon.beacon_int); - bss->capability = le16_to_cpu(mgmt->u.beacon.capab_info); -- if (elems.ssid && elems.ssid_len <= IEEE80211_MAX_SSID_LEN) { -- memcpy(bss->ssid, elems.ssid, elems.ssid_len); -- bss->ssid_len = elems.ssid_len; -- } - - bss->supp_rates_len = 0; - if (elems.supp_rates) { -@@ -1635,7 +1621,6 @@ - - - bss->hw_mode = rx_status->phymode; -- bss->channel = channel; - bss->freq = rx_status->freq; - if (channel != rx_status->channel && - (bss->hw_mode == MODE_IEEE80211G || -@@ -1695,9 +1680,7 @@ - if (baselen > len) - return; - -- if (ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, -- &elems) == ParseFailed) -- return; -+ ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems); - - if (elems.erp_info && elems.erp_info_len >= 1) - ieee80211_handle_erp_ie(dev, elems.erp_info[0]); -@@ -2098,7 +2081,8 @@ - { - int tmp, hidden_ssid; - -- if (!memcmp(ifsta->ssid, ssid, ssid_len)) -+ if (ssid_len == ifsta->ssid_len && -+ !memcmp(ifsta->ssid, ssid, ssid_len)) - return 1; - - if (ifsta->flags & IEEE80211_STA_AUTO_BSSID_SEL) -@@ -2357,7 +2341,7 @@ - { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sta_bss *bss; -- struct ieee80211_sub_if_data *sdata; -+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_hw_mode *mode; - u8 bssid[ETH_ALEN], *pos; - int i; -@@ -2379,18 +2363,17 @@ - printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID " MAC_FMT "\n", - dev->name, MAC_ARG(bssid)); - -- bss = ieee80211_rx_bss_add(dev, bssid); -+ bss = ieee80211_rx_bss_add(dev, bssid, local->hw.conf.channel, -+ sdata->u.sta.ssid, sdata->u.sta.ssid_len); - if (!bss) - return -ENOMEM; - -- sdata = IEEE80211_DEV_TO_SUB_IF(dev); - mode = local->oper_hw_mode; - - if (local->hw.conf.beacon_int == 0) - local->hw.conf.beacon_int = 100; - bss->beacon_int = local->hw.conf.beacon_int; - bss->hw_mode = local->hw.conf.phymode; -- bss->channel = local->hw.conf.channel; - bss->freq = local->hw.conf.freq; - bss->last_update = jiffies; - bss->capability = WLAN_CAPABILITY_IBSS; -@@ -2448,7 +2431,8 @@ - MAC_FMT "\n", MAC_ARG(bssid), MAC_ARG(ifsta->bssid)); - #endif /* CONFIG_MAC80211_IBSS_DEBUG */ - if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0 && -- (bss = ieee80211_rx_bss_get(dev, bssid))) { -+ (bss = ieee80211_rx_bss_get(dev, bssid, local->hw.conf.channel, -+ ifsta->ssid, ifsta->ssid_len))) { - printk(KERN_DEBUG "%s: Selected IBSS BSSID " MAC_FMT - " based on configured SSID\n", - dev->name, MAC_ARG(bssid)); -Index: mac80211/net/mac80211/Kconfig -=================================================================== ---- mac80211.orig/net/mac80211/Kconfig 2007-11-11 15:45:23.225494151 +0100 -+++ mac80211/net/mac80211/Kconfig 2007-11-11 15:45:30.449905846 +0100 -@@ -13,6 +13,18 @@ - This option enables the hardware independent IEEE 802.11 - networking stack. - -+config MAC80211_RCSIMPLE -+ bool "'simple' rate control algorithm" if EMBEDDED -+ default y -+ depends on MAC80211 -+ help -+ This option allows you to turn off the 'simple' rate -+ control algorithm in mac80211. If you do turn it off, -+ you absolutely need another rate control algorithm. -+ -+ Say Y unless you know you will have another algorithm -+ available. -+ - config MAC80211_LEDS - bool "Enable LED triggers" - depends on MAC80211 && LEDS_TRIGGERS -Index: mac80211/net/mac80211/Makefile -=================================================================== ---- mac80211.orig/net/mac80211/Makefile 2007-11-11 15:45:23.233494609 +0100 -+++ mac80211/net/mac80211/Makefile 2007-11-11 15:45:30.449905846 +0100 -@@ -1,8 +1,9 @@ --obj-$(CONFIG_MAC80211) += mac80211.o rc80211_simple.o -+obj-$(CONFIG_MAC80211) += mac80211.o - - mac80211-objs-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o - mac80211-objs-$(CONFIG_MAC80211_DEBUGFS) += debugfs.o debugfs_sta.o debugfs_netdev.o debugfs_key.o - mac80211-objs-$(CONFIG_NET_SCHED) += wme.o -+mac80211-objs-$(CONFIG_MAC80211_RCSIMPLE) += rc80211_simple.o - - mac80211-objs := \ - ieee80211.o \ -Index: mac80211/net/mac80211/rc80211_simple.c -=================================================================== ---- mac80211.orig/net/mac80211/rc80211_simple.c 2007-11-11 15:45:23.237494839 +0100 -+++ mac80211/net/mac80211/rc80211_simple.c 2007-11-11 15:45:30.449905846 +0100 -@@ -7,7 +7,6 @@ - * published by the Free Software Foundation. - */ - --#include <linux/module.h> - #include <linux/init.h> - #include <linux/netdevice.h> - #include <linux/types.h> -@@ -29,8 +28,6 @@ - #define RATE_CONTROL_INTERVAL (HZ / 20) - #define RATE_CONTROL_MIN_TX 10 - --MODULE_ALIAS("rc80211_default"); -- - static void rate_control_rate_inc(struct ieee80211_local *local, - struct sta_info *sta) - { -@@ -393,8 +390,7 @@ - } - #endif - --static struct rate_control_ops rate_control_simple = { -- .module = THIS_MODULE, -+struct rate_control_ops mac80211_rcsimple = { - .name = "simple", - .tx_status = rate_control_simple_tx_status, - .get_rate = rate_control_simple_get_rate, -@@ -409,22 +405,3 @@ - .remove_sta_debugfs = rate_control_simple_remove_sta_debugfs, - #endif - }; -- -- --static int __init rate_control_simple_init(void) --{ -- return ieee80211_rate_control_register(&rate_control_simple); --} -- -- --static void __exit rate_control_simple_exit(void) --{ -- ieee80211_rate_control_unregister(&rate_control_simple); --} -- -- --subsys_initcall(rate_control_simple_init); --module_exit(rate_control_simple_exit); -- --MODULE_DESCRIPTION("Simple rate control algorithm for ieee80211"); --MODULE_LICENSE("GPL"); -Index: mac80211/net/mac80211/rx.c -=================================================================== ---- mac80211.orig/net/mac80211/rx.c 2007-11-11 15:45:23.245495291 +0100 -+++ mac80211/net/mac80211/rx.c 2007-11-11 15:45:30.449905846 +0100 -@@ -509,9 +509,11 @@ - rx->key->tx_rx_count++; - /* TODO: add threshold stuff again */ - } else { -+#ifdef CONFIG_MAC80211_DEBUG - if (net_ratelimit()) - printk(KERN_DEBUG "%s: RX protected frame," - " but have no key\n", rx->dev->name); -+#endif /* CONFIG_MAC80211_DEBUG */ - return TXRX_DROP; - } - -Index: mac80211/net/mac80211/wep.c -=================================================================== ---- mac80211.orig/net/mac80211/wep.c 2007-11-11 15:45:23.253495749 +0100 -+++ mac80211/net/mac80211/wep.c 2007-11-11 15:45:30.449905846 +0100 -@@ -16,7 +16,7 @@ - #include <linux/crypto.h> - #include <linux/err.h> - #include <linux/mm.h> --#include <asm/scatterlist.h> -+#include <linux/scatterlist.h> - - #include <net/mac80211.h> - #include "ieee80211_i.h" -@@ -138,9 +138,7 @@ - *icv = cpu_to_le32(~crc32_le(~0, data, data_len)); - - crypto_blkcipher_setkey(tfm, rc4key, klen); -- sg.page = virt_to_page(data); -- sg.offset = offset_in_page(data); -- sg.length = data_len + WEP_ICV_LEN; -+ sg_init_one(&sg, data, data_len + WEP_ICV_LEN); - crypto_blkcipher_encrypt(&desc, &sg, &sg, sg.length); - } - -@@ -204,9 +202,7 @@ - __le32 crc; - - crypto_blkcipher_setkey(tfm, rc4key, klen); -- sg.page = virt_to_page(data); -- sg.offset = offset_in_page(data); -- sg.length = data_len + WEP_ICV_LEN; -+ sg_init_one(&sg, data, data_len + WEP_ICV_LEN); - crypto_blkcipher_decrypt(&desc, &sg, &sg, sg.length); - - crc = cpu_to_le32(~crc32_le(~0, data, data_len)); -@@ -318,9 +314,11 @@ - - if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { - if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key)) { -+#ifdef CONFIG_MAC80211_DEBUG - if (net_ratelimit()) - printk(KERN_DEBUG "%s: RX WEP frame, decrypt " - "failed\n", rx->dev->name); -+#endif /* CONFIG_MAC80211_DEBUG */ - return TXRX_DROP; - } - } else if (!(rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) { -Index: mac80211/net/wireless/Kconfig -=================================================================== ---- mac80211.orig/net/wireless/Kconfig 2007-11-11 15:45:23.261496205 +0100 -+++ mac80211/net/wireless/Kconfig 2007-11-11 15:45:30.453906075 +0100 -@@ -3,7 +3,7 @@ - - config NL80211 - bool "nl80211 new netlink interface support" -- depends CFG80211 -+ depends on CFG80211 - default y - ---help--- - This option turns on the new netlink interface diff --git a/package/mac80211/patches/001-port-to-2.6.23.patch b/package/mac80211/patches/001-port-to-2.6.23.patch new file mode 100644 index 0000000..2e88d40 --- /dev/null +++ b/package/mac80211/patches/001-port-to-2.6.23.patch @@ -0,0 +1,231 @@ +Index: mac80211/net/mac80211/ieee80211.c +=================================================================== +--- mac80211.orig/net/mac80211/ieee80211.c 2008-02-15 22:20:53.000000000 +0100 ++++ mac80211/net/mac80211/ieee80211.c 2008-02-15 22:21:01.000000000 +0100 +@@ -21,7 +21,6 @@ + #include <linux/wireless.h> + #include <linux/rtnetlink.h> + #include <linux/bitmap.h> +-#include <net/net_namespace.h> + #include <net/cfg80211.h> + + #include "ieee80211_i.h" +@@ -36,6 +35,15 @@ + + #define SUPP_MCS_SET_LEN 16 + ++ ++char *print_mac(char *buf, const u8 *addr) ++{ ++ sprintf(buf, MAC_FMT, ++ addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); ++ return buf; ++} ++ ++ + /* + * For seeing transmitted packets on monitor interfaces + * we have a radiotap header too. +@@ -48,11 +56,13 @@ struct ieee80211_tx_status_rtap_hdr { + + /* common interface routines */ + ++#if 0 + static int header_parse_80211(const struct sk_buff *skb, unsigned char *haddr) + { + memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */ + return ETH_ALEN; + } ++#endif + + /* must be called under mdev tx lock */ + static void ieee80211_configure_filter(struct ieee80211_local *local) +@@ -800,6 +810,7 @@ static void ieee80211_set_multicast_list + dev_mc_sync(local->mdev, dev); + } + ++#if 0 + static const struct header_ops ieee80211_header_ops = { + .create = eth_header, + .parse = header_parse_80211, +@@ -807,6 +818,7 @@ static const struct header_ops ieee80211 + .cache = eth_header_cache, + .cache_update = eth_header_cache_update, + }; ++#endif + + /* Must not be called for mdev */ + void ieee80211_if_setup(struct net_device *dev) +@@ -1455,7 +1467,7 @@ struct ieee80211_hw *ieee80211_alloc_hw( + mdev->open = ieee80211_master_open; + mdev->stop = ieee80211_master_stop; + mdev->type = ARPHRD_IEEE80211; +- mdev->header_ops = &ieee80211_header_ops; ++// mdev->header_ops = &ieee80211_header_ops; + mdev->set_multicast_list = ieee80211_master_set_multicast_list; + + sdata->vif.type = IEEE80211_IF_TYPE_AP; +Index: mac80211/net/mac80211/ieee80211_i.h +=================================================================== +--- mac80211.orig/net/mac80211/ieee80211_i.h 2008-02-15 22:20:53.000000000 +0100 ++++ mac80211/net/mac80211/ieee80211_i.h 2008-02-15 22:21:37.000000000 +0100 +@@ -26,6 +26,16 @@ + #include "ieee80211_key.h" + #include "sta_info.h" + ++ ++#define BIT(nr) (1 << (nr)) ++ ++#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x" ++extern char *print_mac(char *buf, const u8 *addr); ++#define DECLARE_MAC_BUF(var) char var[18] __maybe_unused ++ ++#define CONFIG_MAC80211_RC_DEFAULT __stringify(__CONFIG_MAC80211_RC_DEFAULT) ++ ++ + /* ieee80211.o internal definitions, etc. These are not included into + * low-level drivers. */ + +Index: mac80211/net/mac80211/ieee80211_ioctl.c +=================================================================== +--- mac80211.orig/net/mac80211/ieee80211_ioctl.c 2008-02-15 22:20:53.000000000 +0100 ++++ mac80211/net/mac80211/ieee80211_ioctl.c 2008-02-15 22:21:01.000000000 +0100 +@@ -207,7 +207,7 @@ static int ieee80211_ioctl_giwrange(stru + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); + +- range->scan_capa |= IW_SCAN_CAPA_ESSID; ++// range->scan_capa |= IW_SCAN_CAPA_ESSID; + + return 0; + } +Index: mac80211/net/wireless/core.c +=================================================================== +--- mac80211.orig/net/wireless/core.c 2008-02-15 22:20:53.000000000 +0100 ++++ mac80211/net/wireless/core.c 2008-02-15 22:21:01.000000000 +0100 +@@ -69,7 +69,7 @@ __cfg80211_drv_from_info(struct genl_inf + + if (info->attrs[NL80211_ATTR_IFINDEX]) { + ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); +- dev = dev_get_by_index(&init_net, ifindex); ++ dev = dev_get_by_index(ifindex); + if (dev) { + if (dev->ieee80211_ptr) + byifidx = +@@ -120,7 +120,7 @@ cfg80211_get_dev_from_ifindex(int ifinde + struct net_device *dev; + + mutex_lock(&cfg80211_drv_mutex); +- dev = dev_get_by_index(&init_net, ifindex); ++ dev = dev_get_by_index(ifindex); + if (!dev) + goto out; + if (dev->ieee80211_ptr) { +Index: mac80211/net/wireless/nl80211.c +=================================================================== +--- mac80211.orig/net/wireless/nl80211.c 2008-02-15 22:20:53.000000000 +0100 ++++ mac80211/net/wireless/nl80211.c 2008-02-15 22:21:01.000000000 +0100 +@@ -39,7 +39,7 @@ static int get_drv_dev_by_info_ifindex(s + return -EINVAL; + + ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); +- *dev = dev_get_by_index(&init_net, ifindex); ++ *dev = dev_get_by_index(ifindex); + if (!*dev) + return -ENODEV; + +@@ -959,7 +959,7 @@ static int get_vlan(struct nlattr *vlana + *vlan = NULL; + + if (vlanattr) { +- *vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr)); ++ *vlan = dev_get_by_index(nla_get_u32(vlanattr)); + if (!*vlan) + return -ENODEV; + if (!(*vlan)->ieee80211_ptr) +Index: mac80211/net/mac80211/cfg.c +=================================================================== +--- mac80211.orig/net/mac80211/cfg.c 2008-02-15 22:20:53.000000000 +0100 ++++ mac80211/net/mac80211/cfg.c 2008-02-15 22:21:01.000000000 +0100 +@@ -9,7 +9,6 @@ + #include <linux/ieee80211.h> + #include <linux/nl80211.h> + #include <linux/rtnetlink.h> +-#include <net/net_namespace.h> + #include <linux/rcupdate.h> + #include <net/cfg80211.h> + #include "ieee80211_i.h" +@@ -68,7 +67,7 @@ static int ieee80211_del_iface(struct wi + return -ENODEV; + + /* we're under RTNL */ +- dev = __dev_get_by_index(&init_net, ifindex); ++ dev = __dev_get_by_index(ifindex); + if (!dev) + return 0; + +@@ -89,7 +88,7 @@ static int ieee80211_change_iface(struct + return -ENODEV; + + /* we're under RTNL */ +- dev = __dev_get_by_index(&init_net, ifindex); ++ dev = __dev_get_by_index(ifindex); + if (!dev) + return -ENODEV; + +Index: mac80211/net/mac80211/tx.c +=================================================================== +--- mac80211.orig/net/mac80211/tx.c 2008-02-15 22:20:53.000000000 +0100 ++++ mac80211/net/mac80211/tx.c 2008-02-15 22:21:01.000000000 +0100 +@@ -18,7 +18,6 @@ + #include <linux/etherdevice.h> + #include <linux/bitmap.h> + #include <linux/rcupdate.h> +-#include <net/net_namespace.h> + #include <net/ieee80211_radiotap.h> + #include <net/cfg80211.h> + #include <net/mac80211.h> +@@ -1051,7 +1050,7 @@ static int ieee80211_tx_prepare(struct i + struct net_device *dev; + + pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; +- dev = dev_get_by_index(&init_net, pkt_data->ifindex); ++ dev = dev_get_by_index(pkt_data->ifindex); + if (unlikely(dev && !is_ieee80211_device(dev, mdev))) { + dev_put(dev); + dev = NULL; +@@ -1265,7 +1264,7 @@ int ieee80211_master_start_xmit(struct s + memset(&control, 0, sizeof(struct ieee80211_tx_control)); + + if (pkt_data->ifindex) +- odev = dev_get_by_index(&init_net, pkt_data->ifindex); ++ odev = dev_get_by_index(pkt_data->ifindex); + if (unlikely(odev && !is_ieee80211_device(odev, dev))) { + dev_put(odev); + odev = NULL; +Index: mac80211/net/mac80211/util.c +=================================================================== +--- mac80211.orig/net/mac80211/util.c 2008-02-15 22:20:53.000000000 +0100 ++++ mac80211/net/mac80211/util.c 2008-02-15 22:21:01.000000000 +0100 +@@ -20,7 +20,6 @@ + #include <linux/if_arp.h> + #include <linux/wireless.h> + #include <linux/bitmap.h> +-#include <net/net_namespace.h> + #include <net/cfg80211.h> + #include <net/rtnetlink.h> + +Index: mac80211/net/wireless/sysfs.c +=================================================================== +--- mac80211.orig/net/wireless/sysfs.c 2008-02-15 22:20:53.000000000 +0100 ++++ mac80211/net/wireless/sysfs.c 2008-02-15 22:21:01.000000000 +0100 +@@ -53,7 +53,8 @@ static void wiphy_dev_release(struct dev + } + + #ifdef CONFIG_HOTPLUG +-static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env) ++static int wiphy_uevent(struct device *dev, char **envp, int num_envp, ++ char *buffer, int buffer_size) + { + /* TODO, we probably need stuff here */ + return 0; diff --git a/package/mac80211/patches/008-add-hostapd-ioctl-header.patch b/package/mac80211/patches/008-add-hostapd-ioctl-header.patch deleted file mode 100644 index acea0ce..0000000 --- a/package/mac80211/patches/008-add-hostapd-ioctl-header.patch +++ /dev/null @@ -1,110 +0,0 @@ ---- - net/mac80211/hostapd_ioctl.h | 103 +++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 103 insertions(+) - ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ everything/net/mac80211/hostapd_ioctl.h 2007-11-07 13:19:23.031516330 +0100 -@@ -0,0 +1,103 @@ -+/* -+ * Host AP (software wireless LAN access point) user space daemon for -+ * Host AP kernel driver -+ * Copyright 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> -+ * Copyright 2002-2004, Instant802 Networks, Inc. -+ * Copyright 2005, Devicescape Software, Inc. -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#ifndef HOSTAPD_IOCTL_H -+#define HOSTAPD_IOCTL_H -+ -+#ifdef __KERNEL__ -+#include <linux/types.h> -+#endif /* __KERNEL__ */ -+ -+#define PRISM2_IOCTL_PRISM2_PARAM (SIOCIWFIRSTPRIV + 0) -+#define PRISM2_IOCTL_GET_PRISM2_PARAM (SIOCIWFIRSTPRIV + 1) -+#define PRISM2_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 3) -+ -+/* PRISM2_IOCTL_PRISM2_PARAM ioctl() subtypes: -+ * This table is no longer added to, the whole sub-ioctl -+ * mess shall be deleted completely. */ -+enum { -+ PRISM2_PARAM_AP_BRIDGE_PACKETS = 10, -+ PRISM2_PARAM_IEEE_802_1X = 23, -+ -+ /* Instant802 additions */ -+ PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES = 1001, -+ PRISM2_PARAM_PREAMBLE = 1003, -+ PRISM2_PARAM_SHORT_SLOT_TIME = 1006, -+ PRISM2_PARAM_NEXT_MODE = 1008, -+ PRISM2_PARAM_PRIVACY_INVOKED = 1014, -+ PRISM2_PARAM_EAPOL = 1023, -+ PRISM2_PARAM_MGMT_IF = 1046, -+}; -+ -+/* PRISM2_IOCTL_HOSTAPD ioctl() cmd: -+ * This table is no longer added to, the hostapd ioctl -+ * shall be deleted completely. */ -+enum { -+ PRISM2_HOSTAPD_FLUSH = 1, -+ -+ /* Instant802 additions */ -+ PRISM2_HOSTAPD_GET_HW_FEATURES = 1002, -+ PRISM2_HOSTAPD_SET_RATE_SETS = 1005, -+ PRISM2_HOSTAPD_SET_CHANNEL_FLAG = 1012, -+ PRISM2_HOSTAPD_SET_REGULATORY_DOMAIN = 1013, -+ PRISM2_HOSTAPD_SET_TX_QUEUE_PARAMS = 1014, -+}; -+ -+#define PRISM2_HOSTAPD_MAX_BUF_SIZE 2048 -+#define ALIGNED __attribute__ ((aligned)) -+ -+struct prism2_hostapd_param { -+ u32 cmd; -+ u8 sta_addr[ETH_ALEN]; -+ u8 pad[2]; -+ union { -+ struct { -+ u16 num_modes; -+ u16 flags; -+ u8 data[0] ALIGNED; /* num_modes * feature data */ -+ } hw_features; -+ struct { -+ u16 mode; /* MODE_* */ -+ u16 num_supported_rates; -+ u16 num_basic_rates; -+ u8 data[0] ALIGNED; /* num_supported_rates * u16 + -+ * num_basic_rates * u16 */ -+ } set_rate_sets; -+ struct { -+ u16 mode; /* MODE_* */ -+ u16 chan; -+ u32 flag; -+ u8 power_level; /* regulatory limit in dBm */ -+ u8 antenna_max; -+ } set_channel_flag; -+ struct { -+ u32 rd; -+ } set_regulatory_domain; -+ struct { -+ u32 queue; -+ s32 aifs; -+ u32 cw_min; -+ u32 cw_max; -+ u32 burst_time; /* maximum burst time in 0.1 ms, i.e., -+ * 10 = 1 ms */ -+ } tx_queue_params; -+ } u; -+}; -+ -+/* Data structures used for get_hw_features ioctl */ -+struct hostapd_ioctl_hw_modes_hdr { -+ int mode; -+ int num_channels; -+ int num_rates; -+}; -+ -+#endif /* HOSTAPD_IOCTL_H */ diff --git a/package/mac80211/patches/009-add-old-ioctl-skeleton.patch b/package/mac80211/patches/009-add-old-ioctl-skeleton.patch deleted file mode 100644 index fb9f25f..0000000 --- a/package/mac80211/patches/009-add-old-ioctl-skeleton.patch +++ /dev/null @@ -1,187 +0,0 @@ ---- - net/mac80211/ieee80211.c | 5 + - net/mac80211/ieee80211_ioctl.c | 121 +++++++++++++++++++++++++++++++++++++++++ - 2 files changed, 126 insertions(+) - ---- everything.orig/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:06:34.902124618 +0100 -+++ everything/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:24.311521482 +0100 -@@ -21,6 +21,7 @@ - - #include <net/mac80211.h> - #include "ieee80211_i.h" -+#include "hostapd_ioctl.h" - #include "ieee80211_rate.h" - #include "wpa.h" - #include "aes_ccm.h" -@@ -124,6 +125,47 @@ static int ieee80211_ioctl_siwgenie(stru - return -EOPNOTSUPP; - } - -+ -+static int ieee80211_ioctl_priv_hostapd(struct net_device *dev, -+ struct iw_point *p) -+{ -+ struct prism2_hostapd_param *param; -+ int ret = 0; -+ -+ if (p->length < sizeof(struct prism2_hostapd_param) || -+ p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer) { -+ printk(KERN_DEBUG "%s: hostapd ioctl: ptr=%p len=%d min=%d " -+ "max=%d\n", dev->name, p->pointer, p->length, -+ (int)sizeof(struct prism2_hostapd_param), -+ PRISM2_HOSTAPD_MAX_BUF_SIZE); -+ return -EINVAL; -+ } -+ -+ param = kmalloc(p->length, GFP_KERNEL); -+ if (!param) -+ return -ENOMEM; -+ -+ if (copy_from_user(param, p->pointer, p->length)) { -+ ret = -EFAULT; -+ goto out; -+ } -+ -+ switch (param->cmd) { -+ default: -+ ret = -EOPNOTSUPP; -+ break; -+ } -+ -+ if (copy_to_user(p->pointer, param, p->length)) -+ ret = -EFAULT; -+ -+ out: -+ kfree(param); -+ -+ return ret; -+} -+ -+ - static int ieee80211_ioctl_giwname(struct net_device *dev, - struct iw_request_info *info, - char *name, char *extra) -@@ -819,6 +861,49 @@ static int ieee80211_ioctl_giwretry(stru - return 0; - } - -+static int ieee80211_ioctl_prism2_param(struct net_device *dev, -+ struct iw_request_info *info, -+ void *wrqu, char *extra) -+{ -+ struct ieee80211_sub_if_data *sdata; -+ int *i = (int *) extra; -+ int param = *i; -+ int ret = 0; -+ -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ -+ sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ -+ switch (param) { -+ default: -+ ret = -EOPNOTSUPP; -+ break; -+ } -+ -+ return ret; -+} -+ -+ -+static int ieee80211_ioctl_get_prism2_param(struct net_device *dev, -+ struct iw_request_info *info, -+ void *wrqu, char *extra) -+{ -+ struct ieee80211_sub_if_data *sdata; -+ int *param = (int *) extra; -+ int ret = 0; -+ -+ sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ -+ switch (*param) { -+ default: -+ ret = -EOPNOTSUPP; -+ break; -+ } -+ -+ return ret; -+} -+ - static int ieee80211_ioctl_siwmlme(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -@@ -1073,6 +1158,32 @@ static int ieee80211_ioctl_siwencodeext( - } - - -+static const struct iw_priv_args ieee80211_ioctl_priv[] = { -+ { PRISM2_IOCTL_PRISM2_PARAM, -+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" }, -+ { PRISM2_IOCTL_GET_PRISM2_PARAM, -+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, -+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" }, -+}; -+ -+ -+int ieee80211_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -+{ -+ struct iwreq *wrq = (struct iwreq *) rq; -+ -+ switch (cmd) { -+ /* Private ioctls (iwpriv) that have not yet been converted -+ * into new wireless extensions API */ -+ case PRISM2_IOCTL_HOSTAPD: -+ if (!capable(CAP_NET_ADMIN)) -+ return -EPERM; -+ return ieee80211_ioctl_priv_hostapd(dev, &wrq->u.data); -+ default: -+ return -EOPNOTSUPP; -+ } -+} -+ -+ - /* Structures to export the Wireless Handlers */ - - static const iw_handler ieee80211_handler[] = -@@ -1135,9 +1246,19 @@ static const iw_handler ieee80211_handle - (iw_handler) NULL, /* -- hole -- */ - }; - -+static const iw_handler ieee80211_private_handler[] = -+{ /* SIOCIWFIRSTPRIV + */ -+ (iw_handler) ieee80211_ioctl_prism2_param, /* 0 */ -+ (iw_handler) ieee80211_ioctl_get_prism2_param, /* 1 */ -+}; -+ - const struct iw_handler_def ieee80211_iw_handler_def = - { - .num_standard = ARRAY_SIZE(ieee80211_handler), -+ .num_private = ARRAY_SIZE(ieee80211_private_handler), -+ .num_private_args = ARRAY_SIZE(ieee80211_ioctl_priv), - .standard = (iw_handler *) ieee80211_handler, -+ .private = (iw_handler *) ieee80211_private_handler, -+ .private_args = (struct iw_priv_args *) ieee80211_ioctl_priv, - .get_wireless_stats = ieee80211_get_wireless_stats, - }; ---- everything.orig/net/mac80211/ieee80211.c 2007-11-07 13:18:36.001511500 +0100 -+++ everything/net/mac80211/ieee80211.c 2007-11-07 13:19:24.311521482 +0100 -@@ -413,6 +413,9 @@ static const struct header_ops ieee80211 - .cache_update = eth_header_cache_update, - }; - -+/* HACK */ -+extern int ieee80211_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -+ - /* Must not be called for mdev */ - void ieee80211_if_setup(struct net_device *dev) - { -@@ -425,6 +428,8 @@ void ieee80211_if_setup(struct net_devic - dev->open = ieee80211_open; - dev->stop = ieee80211_stop; - dev->destructor = ieee80211_if_free; -+ -+ dev->do_ioctl = ieee80211_ioctl; - } - - /* WDS specialties */ diff --git a/package/mac80211/patches/010-add-mgmt-iface.patch b/package/mac80211/patches/010-add-mgmt-iface.patch deleted file mode 100644 index eae5ff6..0000000 --- a/package/mac80211/patches/010-add-mgmt-iface.patch +++ /dev/null @@ -1,688 +0,0 @@ ---- - include/net/mac80211.h | 1 - net/mac80211/ieee80211.c | 198 ++++++++++++++++++++++++++++++++++++++-- - net/mac80211/ieee80211_common.h | 64 ++++++++++++ - net/mac80211/ieee80211_i.h | 9 + - net/mac80211/ieee80211_iface.c | 66 +++++++++++++ - net/mac80211/ieee80211_ioctl.c | 21 ++++ - net/mac80211/ieee80211_rate.c | 3 - net/mac80211/ieee80211_rate.h | 2 - net/mac80211/ieee80211_sta.c | 2 - net/mac80211/rx.c | 29 ++++- - net/mac80211/tx.c | 14 ++ - net/mac80211/wme.c | 10 +- - 12 files changed, 399 insertions(+), 20 deletions(-) - -Index: mac80211/include/net/mac80211.h -=================================================================== ---- mac80211.orig/include/net/mac80211.h 2007-11-11 15:15:42.824034853 +0100 -+++ mac80211/include/net/mac80211.h 2007-11-11 15:15:53.784659457 +0100 -@@ -472,6 +472,7 @@ - enum ieee80211_if_types { - IEEE80211_IF_TYPE_INVALID, - IEEE80211_IF_TYPE_AP, -+ IEEE80211_IF_TYPE_MGMT, - IEEE80211_IF_TYPE_STA, - IEEE80211_IF_TYPE_IBSS, - IEEE80211_IF_TYPE_MNTR, -Index: mac80211/net/mac80211/ieee80211.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211.c 2007-11-11 15:15:51.536531354 +0100 -+++ mac80211/net/mac80211/ieee80211.c 2007-11-11 15:16:22.214279577 +0100 -@@ -23,6 +23,7 @@ - #include <linux/bitmap.h> - #include <net/cfg80211.h> - -+#include "ieee80211_common.h" - #include "ieee80211_i.h" - #include "ieee80211_rate.h" - #include "wep.h" -@@ -121,6 +122,152 @@ - ieee80211_configure_filter(local); - } - -+/* management interface */ -+ -+static void -+ieee80211_fill_frame_info(struct ieee80211_local *local, -+ struct ieee80211_frame_info *fi, -+ struct ieee80211_rx_status *status) -+{ -+ if (status) { -+ struct timespec ts; -+ struct ieee80211_rate *rate; -+ -+ jiffies_to_timespec(jiffies, &ts); -+ fi->hosttime = cpu_to_be64((u64) ts.tv_sec * 1000000 + -+ ts.tv_nsec / 1000); -+ fi->mactime = cpu_to_be64(status->mactime); -+ switch (status->phymode) { -+ case MODE_IEEE80211A: -+ fi->phytype = htonl(ieee80211_phytype_ofdm_dot11_a); -+ break; -+ case MODE_IEEE80211B: -+ fi->phytype = htonl(ieee80211_phytype_dsss_dot11_b); -+ break; -+ case MODE_IEEE80211G: -+ fi->phytype = htonl(ieee80211_phytype_pbcc_dot11_g); -+ break; -+ default: -+ fi->phytype = htonl(0xAAAAAAAA); -+ break; -+ } -+ fi->channel = htonl(status->channel); -+ rate = ieee80211_get_rate(local, status->phymode, -+ status->rate); -+ if (rate) { -+ fi->datarate = htonl(rate->rate); -+ if (rate->flags & IEEE80211_RATE_PREAMBLE2) { -+ if (status->rate == rate->val) -+ fi->preamble = htonl(2); /* long */ -+ else if (status->rate == rate->val2) -+ fi->preamble = htonl(1); /* short */ -+ } else -+ fi->preamble = htonl(0); -+ } else { -+ fi->datarate = htonl(0); -+ fi->preamble = htonl(0); -+ } -+ -+ fi->antenna = htonl(status->antenna); -+ fi->priority = htonl(0xffffffff); /* no clue */ -+ fi->ssi_type = htonl(ieee80211_ssi_raw); -+ fi->ssi_signal = htonl(status->ssi); -+ fi->ssi_noise = 0x00000000; -+ fi->encoding = 0; -+ } else { -+ /* clear everything because we really don't know. -+ * the msg_type field isn't present on monitor frames -+ * so we don't know whether it will be present or not, -+ * but it's ok to not clear it since it'll be assigned -+ * anyway */ -+ memset(fi, 0, sizeof(*fi) - sizeof(fi->msg_type)); -+ -+ fi->ssi_type = htonl(ieee80211_ssi_none); -+ } -+ fi->version = htonl(IEEE80211_FI_VERSION); -+ fi->length = cpu_to_be32(sizeof(*fi) - sizeof(fi->msg_type)); -+} -+ -+/* this routine is actually not just for this, but also -+ * for pushing fake 'management' frames into userspace. -+ * it shall be replaced by a netlink-based system. */ -+void -+ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb, -+ struct ieee80211_rx_status *status, u32 msg_type) -+{ -+ struct ieee80211_frame_info *fi; -+ const size_t hlen = sizeof(struct ieee80211_frame_info); -+ struct net_device *dev = local->apdev; -+ -+ skb->dev = dev; -+ -+ if (skb_headroom(skb) < hlen) { -+ I802_DEBUG_INC(local->rx_expand_skb_head); -+ if (pskb_expand_head(skb, hlen, 0, GFP_ATOMIC)) { -+ dev_kfree_skb(skb); -+ return; -+ } -+ } -+ -+ fi = (struct ieee80211_frame_info *) skb_push(skb, hlen); -+ -+ ieee80211_fill_frame_info(local, fi, status); -+ fi->msg_type = htonl(msg_type); -+ -+ dev->stats.rx_packets++; -+ dev->stats.rx_bytes += skb->len; -+ -+ skb_set_mac_header(skb, 0); -+ skb->ip_summed = CHECKSUM_UNNECESSARY; -+ skb->pkt_type = PACKET_OTHERHOST; -+ skb->protocol = htons(ETH_P_802_2); -+ memset(skb->cb, 0, sizeof(skb->cb)); -+ netif_rx(skb); -+} -+ -+static int ieee80211_mgmt_open(struct net_device *dev) -+{ -+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); -+ -+ if (!netif_running(local->mdev)) -+ return -EOPNOTSUPP; -+ return 0; -+} -+ -+static int ieee80211_mgmt_stop(struct net_device *dev) -+{ -+ return 0; -+} -+ -+static int ieee80211_change_mtu_apdev(struct net_device *dev, int new_mtu) -+{ -+ /* FIX: what would be proper limits for MTU? -+ * This interface uses 802.11 frames. */ -+ if (new_mtu < 256 || new_mtu > IEEE80211_MAX_DATA_LEN) { -+ printk(KERN_WARNING "%s: invalid MTU %d\n", -+ dev->name, new_mtu); -+ return -EINVAL; -+ } -+ -+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG -+ printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu); -+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ -+ dev->mtu = new_mtu; -+ return 0; -+} -+ -+void ieee80211_if_mgmt_setup(struct net_device *dev) -+{ -+ ether_setup(dev); -+ dev->hard_start_xmit = ieee80211_mgmt_start_xmit; -+ dev->change_mtu = ieee80211_change_mtu_apdev; -+ dev->open = ieee80211_mgmt_open; -+ dev->stop = ieee80211_mgmt_stop; -+ dev->type = ARPHRD_IEEE80211_PRISM; -+ dev->hard_header_parse = &header_parse_80211; -+ dev->destructor = ieee80211_if_free; -+} -+ - /* regular interfaces */ - - static int ieee80211_change_mtu(struct net_device *dev, int new_mtu) -@@ -198,6 +345,7 @@ - return -ENOLINK; - break; - case IEEE80211_IF_TYPE_AP: -+ case IEEE80211_IF_TYPE_MGMT: - case IEEE80211_IF_TYPE_STA: - case IEEE80211_IF_TYPE_MNTR: - case IEEE80211_IF_TYPE_IBSS: -@@ -262,6 +410,10 @@ - if (local->open_count == 0) { - res = dev_open(local->mdev); - WARN_ON(res); -+ if (local->apdev) { -+ res = dev_open(local->apdev); -+ WARN_ON(res); -+ } - tasklet_enable(&local->tx_pending_tasklet); - tasklet_enable(&local->tasklet); - } -@@ -347,6 +499,9 @@ - if (netif_running(local->mdev)) - dev_close(local->mdev); - -+ if (local->apdev) -+ dev_close(local->apdev); -+ - if (local->ops->stop) - local->ops->stop(local_to_hw(local)); - -@@ -646,6 +801,8 @@ - pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT; - if (control->flags & IEEE80211_TXCTL_REQUEUE) - pkt_data->flags |= IEEE80211_TXPD_REQUEUE; -+ if (control->type == IEEE80211_IF_TYPE_MGMT) -+ pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE; - pkt_data->queue = control->queue; - - hdrlen = ieee80211_get_hdrlen_from_skb(skb); -@@ -698,6 +855,7 @@ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_local *local = hw_to_local(hw); - u16 frag, type; -+ u32 msg_type; - struct ieee80211_tx_status_rtap_hdr *rthdr; - struct ieee80211_sub_if_data *sdata; - int monitors; -@@ -812,9 +970,29 @@ - local->dot11FailedCount++; - } - -+ msg_type = (status->flags & IEEE80211_TX_STATUS_ACK) ? -+ ieee80211_msg_tx_callback_ack : ieee80211_msg_tx_callback_fail; -+ - /* this was a transmitted frame, but now we want to reuse it */ - skb_orphan(skb); - -+ if ((status->control.flags & IEEE80211_TXCTL_REQ_TX_STATUS) && -+ local->apdev) { -+ if (local->monitors) { -+ skb2 = skb_clone(skb, GFP_ATOMIC); -+ } else { -+ skb2 = skb; -+ skb = NULL; -+ } -+ -+ if (skb2) -+ /* Send frame to hostapd */ -+ ieee80211_rx_mgmt(local, skb2, NULL, msg_type); -+ -+ if (!skb) -+ return; -+ } -+ - if (!local->monitors) { - dev_kfree_skb(skb); - return; -@@ -1161,6 +1339,8 @@ - BUG_ON(local->reg_state != IEEE80211_DEV_REGISTERED); - - local->reg_state = IEEE80211_DEV_UNREGISTERED; -+ if (local->apdev) -+ ieee80211_if_del_mgmt(local); - - /* - * At this point, interface list manipulations are fine -Index: mac80211/net/mac80211/ieee80211_i.h -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_i.h 2007-11-11 15:15:42.840035769 +0100 -+++ mac80211/net/mac80211/ieee80211_i.h 2007-11-11 15:15:53.792659922 +0100 -@@ -142,6 +142,7 @@ - * when using CTS protection with IEEE 802.11g. */ - struct ieee80211_rate *last_frag_rate; - int last_frag_hwrate; -+ int mgmt_interface; - - /* Extra fragments (in addition to the first fragment - * in skb) */ -@@ -163,6 +164,7 @@ - #define IEEE80211_TXPD_REQ_TX_STATUS BIT(0) - #define IEEE80211_TXPD_DO_NOT_ENCRYPT BIT(1) - #define IEEE80211_TXPD_REQUEUE BIT(2) -+#define IEEE80211_TXPD_MGMT_IFACE BIT(3) - /* Stored in sk_buff->cb */ - struct ieee80211_tx_packet_data { - int ifindex; -@@ -408,6 +410,7 @@ - struct list_head modes_list; - - struct net_device *mdev; /* wmaster# - "master" 802.11 device */ -+ struct net_device *apdev; /* wlan#ap - management frames (hostapd) */ - int open_count; - int monitors; - unsigned int filter_flags; /* FIF_* */ -@@ -701,11 +704,14 @@ - int ieee80211_hw_config(struct ieee80211_local *local); - int ieee80211_if_config(struct net_device *dev); - int ieee80211_if_config_beacon(struct net_device *dev); -+void ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb, -+ struct ieee80211_rx_status *status, u32 msg_type); - void ieee80211_prepare_rates(struct ieee80211_local *local, - struct ieee80211_hw_mode *mode); - void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx); - int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr); - void ieee80211_if_setup(struct net_device *dev); -+void ieee80211_if_mgmt_setup(struct net_device *dev); - struct ieee80211_rate *ieee80211_get_rate(struct ieee80211_local *local, - int phymode, int hwrate); - -@@ -772,6 +778,8 @@ - int ieee80211_if_remove(struct net_device *dev, const char *name, int id); - void ieee80211_if_free(struct net_device *dev); - void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata); -+int ieee80211_if_add_mgmt(struct ieee80211_local *local); -+void ieee80211_if_del_mgmt(struct ieee80211_local *local); - - /* regdomain.c */ - void ieee80211_regdomain_init(void); -@@ -788,6 +796,7 @@ - int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); - int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); - int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); -+int ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev); - - /* utility functions/constants */ - extern void *mac80211_wiphy_privid; /* for wiphy privid */ -Index: mac80211/net/mac80211/ieee80211_iface.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_iface.c 2007-11-11 15:15:42.848036222 +0100 -+++ mac80211/net/mac80211/ieee80211_iface.c 2007-11-11 15:15:53.796660158 +0100 -@@ -96,6 +96,66 @@ - return ret; - } - -+int ieee80211_if_add_mgmt(struct ieee80211_local *local) -+{ -+ struct net_device *ndev; -+ struct ieee80211_sub_if_data *nsdata; -+ int ret; -+ -+ ASSERT_RTNL(); -+ -+ ndev = alloc_netdev(sizeof(struct ieee80211_sub_if_data), "wmgmt%d", -+ ieee80211_if_mgmt_setup); -+ if (!ndev) -+ return -ENOMEM; -+ ret = dev_alloc_name(ndev, ndev->name); -+ if (ret < 0) -+ goto fail; -+ -+ memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN); -+ SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy)); -+ -+ nsdata = IEEE80211_DEV_TO_SUB_IF(ndev); -+ ndev->ieee80211_ptr = &nsdata->wdev; -+ nsdata->wdev.wiphy = local->hw.wiphy; -+ nsdata->type = IEEE80211_IF_TYPE_MGMT; -+ nsdata->dev = ndev; -+ nsdata->local = local; -+ ieee80211_if_sdata_init(nsdata); -+ -+ ret = register_netdevice(ndev); -+ if (ret) -+ goto fail; -+ -+ /* -+ * Called even when register_netdevice fails, it would -+ * oops if assigned before initialising the rest. -+ */ -+ ndev->uninit = ieee80211_if_reinit; -+ -+ ieee80211_debugfs_add_netdev(nsdata); -+ -+ if (local->open_count > 0) -+ dev_open(ndev); -+ local->apdev = ndev; -+ return 0; -+ -+fail: -+ free_netdev(ndev); -+ return ret; -+} -+ -+void ieee80211_if_del_mgmt(struct ieee80211_local *local) -+{ -+ struct net_device *apdev; -+ -+ ASSERT_RTNL(); -+ apdev = local->apdev; -+ ieee80211_debugfs_remove_netdev(IEEE80211_DEV_TO_SUB_IF(apdev)); -+ local->apdev = NULL; -+ unregister_netdevice(apdev); -+} -+ - void ieee80211_if_set_type(struct net_device *dev, int type) - { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); -@@ -183,6 +243,9 @@ - ieee80211_if_sdata_deinit(sdata); - - switch (sdata->type) { -+ case IEEE80211_IF_TYPE_MGMT: -+ /* nothing to do */ -+ break; - case IEEE80211_IF_TYPE_INVALID: - /* cannot happen */ - WARN_ON(1); -@@ -294,8 +357,11 @@ - - void ieee80211_if_free(struct net_device *dev) - { -+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - -+ /* local->apdev must be NULL when freeing management interface */ -+ BUG_ON(dev == local->apdev); - ieee80211_if_sdata_deinit(sdata); - free_netdev(dev); - } -Index: mac80211/net/mac80211/ieee80211_rate.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_rate.c 2007-11-11 15:15:42.852036451 +0100 -+++ mac80211/net/mac80211/ieee80211_rate.c 2007-11-11 15:15:53.800660386 +0100 -@@ -145,7 +145,8 @@ - struct rate_control_ref *ref, *old; - - ASSERT_RTNL(); -- if (local->open_count || netif_running(local->mdev)) -+ if (local->open_count || netif_running(local->mdev) || -+ (local->apdev && netif_running(local->apdev))) - return -EBUSY; - - ref = rate_control_alloc(name, local); -Index: mac80211/net/mac80211/ieee80211_rate.h -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_rate.h 2007-11-11 15:15:42.860036908 +0100 -+++ mac80211/net/mac80211/ieee80211_rate.h 2007-11-11 15:15:53.800660386 +0100 -@@ -30,6 +30,8 @@ - - /* parameters from the caller to rate_control_get_rate(): */ - struct ieee80211_hw_mode *mode; -+ int mgmt_data; /* this is data frame that is used for management -+ * (e.g., IEEE 802.1X EAPOL) */ - u16 ethertype; - }; - -Index: mac80211/net/mac80211/ieee80211_sta.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_sta.c 2007-11-11 15:15:42.868037362 +0100 -+++ mac80211/net/mac80211/ieee80211_sta.c 2007-11-11 15:15:53.800660386 +0100 -@@ -475,6 +475,8 @@ - pkt_data = (struct ieee80211_tx_packet_data *) skb->cb; - memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data)); - pkt_data->ifindex = sdata->dev->ifindex; -+ if (sdata->type == IEEE80211_IF_TYPE_MGMT) -+ pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE; - if (!encrypt) - pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT; - -Index: mac80211/net/mac80211/rx.c -=================================================================== ---- mac80211.orig/net/mac80211/rx.c 2007-11-11 15:15:42.872037591 +0100 -+++ mac80211/net/mac80211/rx.c 2007-11-11 15:15:53.804660611 +0100 -@@ -19,6 +19,7 @@ - - #include "ieee80211_i.h" - #include "ieee80211_led.h" -+#include "ieee80211_common.h" - #include "wep.h" - #include "wpa.h" - #include "tkip.h" -@@ -411,7 +412,12 @@ - return TXRX_DROP; - } - -- return TXRX_DROP; -+ if (!rx->local->apdev) -+ return TXRX_DROP; -+ -+ ieee80211_rx_mgmt(rx->local, rx->skb, rx->u.rx.status, -+ ieee80211_msg_sta_not_assoc); -+ return TXRX_QUEUED; - } - - return TXRX_CONTINUE; -@@ -953,8 +959,15 @@ - { - if (rx->sdata->eapol && ieee80211_is_eapol(rx->skb) && - rx->sdata->type != IEEE80211_IF_TYPE_STA && -- (rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) -- return TXRX_CONTINUE; -+ (rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) { -+ /* Pass both encrypted and unencrypted EAPOL frames to user -+ * space for processing. */ -+ if (!rx->local->apdev) -+ return TXRX_DROP; -+ ieee80211_rx_mgmt(rx->local, rx->skb, rx->u.rx.status, -+ ieee80211_msg_normal); -+ return TXRX_QUEUED; -+ } - - if (unlikely(rx->sdata->ieee802_1x && - (rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA && -@@ -1196,8 +1209,13 @@ - sdata->type == IEEE80211_IF_TYPE_IBSS) && - !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)) - ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status); -- else -- return TXRX_DROP; -+ else { -+ /* Management frames are sent to hostapd for processing */ -+ if (!rx->local->apdev) -+ return TXRX_DROP; -+ ieee80211_rx_mgmt(rx->local, rx->skb, rx->u.rx.status, -+ ieee80211_msg_normal); -+ } - - return TXRX_QUEUED; - } -@@ -1407,6 +1425,7 @@ - /* take everything */ - break; - case IEEE80211_IF_TYPE_INVALID: -+ case IEEE80211_IF_TYPE_MGMT: - /* should never get here */ - WARN_ON(1); - break; -Index: mac80211/net/mac80211/tx.c -=================================================================== ---- mac80211.orig/net/mac80211/tx.c 2007-11-11 15:15:42.880038048 +0100 -+++ mac80211/net/mac80211/tx.c 2007-11-11 15:15:53.804660611 +0100 -@@ -258,7 +258,7 @@ - return TXRX_CONTINUE; - } - -- if (unlikely(/* !injected && */ tx->sdata->ieee802_1x && -+ if (unlikely(!tx->u.tx.mgmt_interface && tx->sdata->ieee802_1x && - !(sta_flags & WLAN_STA_AUTHORIZED))) { - #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: dropped frame to " MAC_FMT -@@ -568,6 +568,8 @@ - memset(&extra, 0, sizeof(extra)); - extra.mode = tx->u.tx.mode; - extra.ethertype = tx->ethertype; -+ extra.mgmt_data = tx->sdata && -+ tx->sdata->type == IEEE80211_IF_TYPE_MGMT; - - tx->u.tx.rate = rate_control_get_rate(tx->local, tx->dev, - tx->skb, &extra); -@@ -1076,7 +1078,7 @@ - } - - static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, -- struct ieee80211_tx_control *control) -+ struct ieee80211_tx_control *control, int mgmt) - { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct sta_info *sta; -@@ -1107,6 +1109,7 @@ - rcu_read_lock(); - - sta = tx.sta; -+ tx.u.tx.mgmt_interface = mgmt; - tx.u.tx.mode = local->hw.conf.mode; - - for (handler = local->tx_handlers; *handler != NULL; -@@ -1253,7 +1256,8 @@ - control.flags |= IEEE80211_TXCTL_REQUEUE; - control.queue = pkt_data->queue; - -- ret = ieee80211_tx(odev, skb, &control); -+ ret = ieee80211_tx(odev, skb, &control, -+ control.type == IEEE80211_IF_TYPE_MGMT); - dev_put(odev); - - return ret; -@@ -1498,6 +1502,8 @@ - pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; - memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data)); - pkt_data->ifindex = dev->ifindex; -+ if (sdata->type == IEEE80211_IF_TYPE_MGMT) -+ pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE; - - skb->dev = local->mdev; - dev->stats.tx_packets++; -@@ -1555,6 +1561,8 @@ - pkt_data = (struct ieee80211_tx_packet_data *) skb->cb; - memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data)); - pkt_data->ifindex = sdata->dev->ifindex; -+ if (sdata->type == IEEE80211_IF_TYPE_MGMT) -+ pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE; - - skb->priority = 20; /* use hardcoded priority for mgmt TX queue */ - skb->dev = sdata->local->mdev; -Index: mac80211/net/mac80211/wme.c -=================================================================== ---- mac80211.orig/net/mac80211/wme.c 2007-11-11 15:15:42.888038502 +0100 -+++ mac80211/net/mac80211/wme.c 2007-11-11 15:15:53.804660611 +0100 -@@ -94,6 +94,8 @@ - static inline int classify80211(struct sk_buff *skb, struct Qdisc *qd) - { - struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr); -+ struct ieee80211_tx_packet_data *pkt_data = -+ (struct ieee80211_tx_packet_data *) skb->cb; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - unsigned short fc = le16_to_cpu(hdr->frame_control); - int qos; -@@ -106,8 +108,12 @@ - return IEEE80211_TX_QUEUE_DATA0; - } - -- if (0 /* injected */) { -- /* use AC from radiotap */ -+ if (unlikely(pkt_data->flags & IEEE80211_TXPD_MGMT_IFACE)) { -+ /* Data frames from hostapd (mainly, EAPOL) use AC_VO -+ * and they will include QoS control fields if -+ * the target STA is using WME. */ -+ skb->priority = 7; -+ return ieee802_1d_to_ac[skb->priority]; - } - - /* is this a QoS frame? */ -Index: mac80211/net/mac80211/ieee80211_ioctl.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_ioctl.c 2007-11-11 15:15:51.532531127 +0100 -+++ mac80211/net/mac80211/ieee80211_ioctl.c 2007-11-11 15:15:53.808660833 +0100 -@@ -840,16 +840,29 @@ - void *wrqu, char *extra) - { - struct ieee80211_sub_if_data *sdata; -+ struct ieee80211_local *local; - int *i = (int *) extra; - int param = *i; -+ int value = *(i + 1); - int ret = 0; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ local = sdata->local; - - switch (param) { -+ case PRISM2_PARAM_MGMT_IF: -+ if (value == 1) { -+ if (!local->apdev) -+ ret = ieee80211_if_add_mgmt(local); -+ } else if (value == 0) { -+ if (local->apdev) -+ ieee80211_if_del_mgmt(local); -+ } else -+ ret = -EINVAL; -+ break; - default: - ret = -EOPNOTSUPP; - break; -@@ -864,12 +877,20 @@ - void *wrqu, char *extra) - { - struct ieee80211_sub_if_data *sdata; -+ struct ieee80211_local *local; - int *param = (int *) extra; - int ret = 0; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ local = sdata->local; - - switch (*param) { -+ case PRISM2_PARAM_MGMT_IF: -+ if (local->apdev) -+ *param = local->apdev->ifindex; -+ else -+ ret = -ENOENT; -+ break; - default: - ret = -EOPNOTSUPP; - break; diff --git a/package/mac80211/patches/011-allow-ap-vlan-modes.patch b/package/mac80211/patches/011-allow-ap-vlan-modes.patch deleted file mode 100644 index d0edfe8..0000000 --- a/package/mac80211/patches/011-allow-ap-vlan-modes.patch +++ /dev/null @@ -1,37 +0,0 @@ -Subject: mac80211: allow AP and VLAN modes - -This adds AP/VLAN modes to the list of modes that a mac80211 -interface can be created in/switched into. - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - net/mac80211/cfg.c | 4 ++++ - net/mac80211/ieee80211_ioctl.c | 3 +++ - 2 files changed, 7 insertions(+) - ---- everything.orig/net/mac80211/cfg.c 2007-10-30 15:33:43.227379286 +0100 -+++ everything/net/mac80211/cfg.c 2007-11-07 13:19:27.981515569 +0100 -@@ -25,6 +25,10 @@ nl80211_type_to_mac80211_type(enum nl802 - return IEEE80211_IF_TYPE_STA; - case NL80211_IFTYPE_MONITOR: - return IEEE80211_IF_TYPE_MNTR; -+ case NL80211_IFTYPE_AP: -+ return IEEE80211_IF_TYPE_AP; -+ case NL80211_IFTYPE_AP_VLAN: -+ return IEEE80211_IF_TYPE_VLAN; - default: - return IEEE80211_IF_TYPE_INVALID; - } ---- everything.orig/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:25.851524684 +0100 -+++ everything/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:27.981515569 +0100 -@@ -284,6 +284,9 @@ static int ieee80211_ioctl_siwmode(struc - case IW_MODE_MONITOR: - type = IEEE80211_IF_TYPE_MNTR; - break; -+ case IW_MODE_MASTER: -+ type = IEEE80211_IF_TYPE_AP; -+ break; - default: - return -EINVAL; - } diff --git a/package/mac80211/patches/012-mac80211-allow-wds.patch b/package/mac80211/patches/012-mac80211-allow-wds.patch deleted file mode 100644 index d5c57cd..0000000 --- a/package/mac80211/patches/012-mac80211-allow-wds.patch +++ /dev/null @@ -1,22 +0,0 @@ -Subject: mac80211: allow WDS mode - -This allows creating interfaces in WDS mode or switching -existing ones into WDS mode (both via cfg80211.) - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - net/mac80211/cfg.c | 2 ++ - 1 file changed, 2 insertions(+) - ---- everything.orig/net/mac80211/cfg.c 2007-11-07 13:19:27.981515569 +0100 -+++ everything/net/mac80211/cfg.c 2007-11-07 13:19:29.441515732 +0100 -@@ -29,6 +29,8 @@ nl80211_type_to_mac80211_type(enum nl802 - return IEEE80211_IF_TYPE_AP; - case NL80211_IFTYPE_AP_VLAN: - return IEEE80211_IF_TYPE_VLAN; -+ case NL80211_IFTYPE_WDS: -+ return IEEE80211_IF_TYPE_WDS; - default: - return IEEE80211_IF_TYPE_INVALID; - } diff --git a/package/mac80211/patches/013-prism2-ioctl-bridge-packets.patch b/package/mac80211/patches/013-prism2-ioctl-bridge-packets.patch deleted file mode 100644 index d418ad3..0000000 --- a/package/mac80211/patches/013-prism2-ioctl-bridge-packets.patch +++ /dev/null @@ -1,26 +0,0 @@ ---- - net/mac80211/ieee80211_ioctl.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- everything.orig/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:27.981515569 +0100 -+++ everything/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:30.781513182 +0100 -@@ -882,6 +882,9 @@ static int ieee80211_ioctl_prism2_param( - local = sdata->local; - - switch (param) { -+ case PRISM2_PARAM_AP_BRIDGE_PACKETS: -+ local->bridge_packets = value; -+ break; - case PRISM2_PARAM_MGMT_IF: - if (value == 1) { - if (!local->apdev) -@@ -914,6 +917,9 @@ static int ieee80211_ioctl_get_prism2_pa - local = sdata->local; - - switch (*param) { -+ case PRISM2_PARAM_AP_BRIDGE_PACKETS: -+ *param = local->bridge_packets; -+ break; - case PRISM2_PARAM_MGMT_IF: - if (local->apdev) - *param = local->apdev->ifindex; diff --git a/package/mac80211/patches/014-prism2-ioctl-8021x.patch b/package/mac80211/patches/014-prism2-ioctl-8021x.patch deleted file mode 100644 index 5feb01e..0000000 --- a/package/mac80211/patches/014-prism2-ioctl-8021x.patch +++ /dev/null @@ -1,26 +0,0 @@ ---- - net/mac80211/ieee80211_ioctl.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- everything.orig/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:30.781513182 +0100 -+++ everything/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:32.281514919 +0100 -@@ -882,6 +882,9 @@ static int ieee80211_ioctl_prism2_param( - local = sdata->local; - - switch (param) { -+ case PRISM2_PARAM_IEEE_802_1X: -+ sdata->ieee802_1x = value; -+ break; - case PRISM2_PARAM_AP_BRIDGE_PACKETS: - local->bridge_packets = value; - break; -@@ -917,6 +920,9 @@ static int ieee80211_ioctl_get_prism2_pa - local = sdata->local; - - switch (*param) { -+ case PRISM2_PARAM_IEEE_802_1X: -+ *param = sdata->ieee802_1x; -+ break; - case PRISM2_PARAM_AP_BRIDGE_PACKETS: - *param = local->bridge_packets; - break; diff --git a/package/mac80211/patches/015-hostapd-ioctl-hw-features.patch b/package/mac80211/patches/015-hostapd-ioctl-hw-features.patch deleted file mode 100644 index d6e5dfd..0000000 --- a/package/mac80211/patches/015-hostapd-ioctl-hw-features.patch +++ /dev/null @@ -1,122 +0,0 @@ ---- - net/mac80211/ieee80211_ioctl.c | 102 +++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 102 insertions(+) - ---- everything.orig/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:32.281514919 +0100 -+++ everything/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:33.681513453 +0100 -@@ -125,6 +125,105 @@ static int ieee80211_ioctl_siwgenie(stru - return -EOPNOTSUPP; - } - -+/* -+ * Wow. This ioctl interface is such crap, it's tied -+ * to internal definitions. I hope it dies soon. -+ */ -+static int mode_to_hostapd_mode(enum ieee80211_phymode mode) -+{ -+ switch (mode) { -+ case MODE_IEEE80211A: -+ return 0; -+ case MODE_IEEE80211B: -+ return 1; -+ case MODE_IEEE80211G: -+ return 3; -+ case NUM_IEEE80211_MODES: -+ WARN_ON(1); -+ break; -+ } -+ WARN_ON(1); -+ return -1; -+} -+ -+static int channel_flags_to_hostapd_flags(int flags) -+{ -+ int res = 0; -+ -+ if (flags & IEEE80211_CHAN_W_SCAN) -+ res |= 1; -+ if (flags & IEEE80211_CHAN_W_ACTIVE_SCAN) -+ res |= 2; -+ if (flags & IEEE80211_CHAN_W_IBSS) -+ res |= 4; -+ -+ return res; -+} -+ -+struct ieee80211_channel_data { -+ short chan; /* channel number (IEEE 802.11) */ -+ short freq; /* frequency in MHz */ -+ int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */ -+}; -+ -+struct ieee80211_rate_data { -+ int rate; /* rate in 100 kbps */ -+ int flags; /* IEEE80211_RATE_ flags */ -+}; -+ -+static int ieee80211_ioctl_get_hw_features(struct net_device *dev, -+ struct prism2_hostapd_param *param, -+ int param_len) -+{ -+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); -+ u8 *pos = param->u.hw_features.data; -+ int left = param_len - (pos - (u8 *) param); -+ int i; -+ struct hostapd_ioctl_hw_modes_hdr *hdr; -+ struct ieee80211_rate_data *rate; -+ struct ieee80211_channel_data *chan; -+ struct ieee80211_hw_mode *mode; -+ -+ param->u.hw_features.flags = 0; -+ -+ param->u.hw_features.num_modes = 0; -+ list_for_each_entry(mode, &local->modes_list, list) { -+ int clen, rlen; -+ -+ param->u.hw_features.num_modes++; -+ clen = -+ mode->num_channels * sizeof(struct ieee80211_channel_data); -+ rlen = mode->num_rates * sizeof(struct ieee80211_rate_data); -+ if (left < sizeof(*hdr) + clen + rlen) -+ return -E2BIG; -+ left -= sizeof(*hdr) + clen + rlen; -+ -+ hdr = (struct hostapd_ioctl_hw_modes_hdr *)pos; -+ hdr->mode = mode_to_hostapd_mode(mode->mode); -+ hdr->num_channels = mode->num_channels; -+ hdr->num_rates = mode->num_rates; -+ -+ pos = (u8 *) (hdr + 1); -+ chan = (struct ieee80211_channel_data *)pos; -+ for (i = 0; i < mode->num_channels; i++) { -+ chan[i].chan = mode->channels[i].chan; -+ chan[i].freq = mode->channels[i].freq; -+ chan[i].flag = channel_flags_to_hostapd_flags( -+ mode->channels[i].flag); -+ } -+ pos += clen; -+ -+ rate = (struct ieee80211_rate_data *)pos; -+ for (i = 0; i < mode->num_rates; i++) { -+ rate[i].rate = mode->rates[i].rate; -+ rate[i].flags = mode->rates[i].flags; -+ } -+ pos += rlen; -+ } -+ -+ return 0; -+} -+ - - static int ieee80211_ioctl_priv_hostapd(struct net_device *dev, - struct iw_point *p) -@@ -151,6 +250,9 @@ static int ieee80211_ioctl_priv_hostapd( - } - - switch (param->cmd) { -+ case PRISM2_HOSTAPD_GET_HW_FEATURES: -+ ret = ieee80211_ioctl_get_hw_features(dev, param, p->length); -+ break; - default: - ret = -EOPNOTSUPP; - break; diff --git a/package/mac80211/patches/016-prism2-ioctl-eapol.patch b/package/mac80211/patches/016-prism2-ioctl-eapol.patch deleted file mode 100644 index 5ce5758..0000000 --- a/package/mac80211/patches/016-prism2-ioctl-eapol.patch +++ /dev/null @@ -1,26 +0,0 @@ ---- - net/mac80211/ieee80211_ioctl.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- everything.orig/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:33.681513453 +0100 -+++ everything/net/mac80211/ieee80211_ioctl.c 2007-11-07 13:19:35.171517576 +0100 -@@ -984,6 +984,9 @@ static int ieee80211_ioctl_prism2_param( - local = sdata->local; - - switch (param) { -+ case PRISM2_PARAM_EAPOL: -+ sdata->eapol = value; -+ break; - case PRISM2_PARAM_IEEE_802_1X: - sdata->ieee802_1x = value; - break; -@@ -1022,6 +1025,9 @@ static int ieee80211_ioctl_get_prism2_pa - local = sdata->local; - - switch (*param) { -+ case PRISM2_PARAM_EAPOL: -+ *param = sdata->eapol; -+ break; - case PRISM2_PARAM_IEEE_802_1X: - *param = sdata->ieee802_1x; - break; diff --git a/package/mac80211/patches/017-nl80211-add-key-mgmt.patch b/package/mac80211/patches/017-nl80211-add-key-mgmt.patch deleted file mode 100644 index f5b1d45..0000000 --- a/package/mac80211/patches/017-nl80211-add-key-mgmt.patch +++ /dev/null @@ -1,470 +0,0 @@ -Subject: cfg80211/nl80211: introduce key handling - -This introduces key handling to cfg80211/nl80211. Default -and group keys can be added, changed and removed; sequence -counters for each key can be retrieved. - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - include/linux/nl80211.h | 34 +++++ - include/net/cfg80211.h | 44 +++++++ - net/wireless/core.c | 3 - net/wireless/nl80211.c | 289 ++++++++++++++++++++++++++++++++++++++++++++++++ - 4 files changed, 370 insertions(+) - ---- everything.orig/include/linux/nl80211.h 2007-10-30 15:33:43.587381346 +0100 -+++ everything/include/linux/nl80211.h 2007-11-07 13:19:37.861516599 +0100 -@@ -37,6 +37,16 @@ - * userspace to request deletion of a virtual interface, then requires - * attribute %NL80211_ATTR_IFINDEX. - * -+ * @NL80211_CMD_GET_KEY: Get sequence counter information for a key specified -+ * by %NL80211_ATTR_KEY_IDX and/or %NL80211_ATTR_MAC. -+ * @NL80211_CMD_SET_KEY: Set key attributes %NL80211_ATTR_KEY_DEFAULT or -+ * %NL80211_ATTR_KEY_THRESHOLD. -+ * @NL80211_CMD_NEW_KEY: add a key with given %NL80211_ATTR_KEY_DATA, -+ * %NL80211_ATTR_KEY_IDX, %NL80211_ATTR_MAC and %NL80211_ATTR_KEY_CIPHER -+ * attributes. -+ * @NL80211_CMD_DEL_KEY: delete a key identified by %NL80211_ATTR_KEY_IDX -+ * or %NL80211_ATTR_MAC. -+ * - * @NL80211_CMD_MAX: highest used command number - * @__NL80211_CMD_AFTER_LAST: internal use - */ -@@ -54,6 +64,11 @@ enum nl80211_commands { - NL80211_CMD_NEW_INTERFACE, - NL80211_CMD_DEL_INTERFACE, - -+ NL80211_CMD_GET_KEY, -+ NL80211_CMD_SET_KEY, -+ NL80211_CMD_NEW_KEY, -+ NL80211_CMD_DEL_KEY, -+ - /* add commands here */ - - /* used to define NL80211_CMD_MAX below */ -@@ -75,6 +90,17 @@ enum nl80211_commands { - * @NL80211_ATTR_IFNAME: network interface name - * @NL80211_ATTR_IFTYPE: type of virtual interface, see &enum nl80211_iftype - * -+ * @NL80211_ATTR_MAC: MAC address (various uses) -+ * -+ * @NL80211_ATTR_KEY_DATA: (temporal) key data; for TKIP this consists of -+ * 16 bytes encryption key followed by 8 bytes each for TX and RX MIC -+ * keys -+ * @NL80211_ATTR_KEY_IDX: key ID (u8, 0-3) -+ * @NL80211_ATTR_KEY_CIPHER: key cipher suite (u32, as defined by IEEE 802.11 -+ * section 7.3.2.25.1, e.g. 0x000FAC04) -+ * @NL80211_ATTR_KEY_SEQ: transmit key sequence number (IV/PN) for TKIP and -+ * CCMP keys, each six bytes in little endian -+ * - * @NL80211_ATTR_MAX: highest attribute number currently defined - * @__NL80211_ATTR_AFTER_LAST: internal use - */ -@@ -89,6 +115,14 @@ enum nl80211_attrs { - NL80211_ATTR_IFNAME, - NL80211_ATTR_IFTYPE, - -+ NL80211_ATTR_MAC, -+ -+ NL80211_ATTR_KEY_DATA, -+ NL80211_ATTR_KEY_IDX, -+ NL80211_ATTR_KEY_CIPHER, -+ NL80211_ATTR_KEY_SEQ, -+ NL80211_ATTR_KEY_DEFAULT, -+ - /* add attributes here, update the policy in nl80211.c */ - - __NL80211_ATTR_AFTER_LAST, ---- everything.orig/net/wireless/nl80211.c 2007-10-30 15:33:43.637380153 +0100 -+++ everything/net/wireless/nl80211.c 2007-11-07 13:19:38.201511066 +0100 -@@ -61,6 +61,14 @@ static struct nla_policy nl80211_policy[ - [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, - [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, - [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, -+ -+ [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN }, -+ -+ [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, -+ .len = WLAN_MAX_KEY_LEN }, -+ [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, -+ [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, -+ [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, - }; - - /* message building helper */ -@@ -335,6 +343,263 @@ static int nl80211_del_interface(struct - return err; - } - -+struct get_key_cookie { -+ struct sk_buff *msg; -+ int error; -+}; -+ -+static void get_key_callback(void *c, struct key_params *params) -+{ -+ struct get_key_cookie *cookie = c; -+ -+ if (params->key) -+ NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, -+ params->key_len, params->key); -+ -+ if (params->seq) -+ NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, -+ params->seq_len, params->seq); -+ -+ if (params->cipher) -+ NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, -+ params->cipher); -+ -+ return; -+ nla_put_failure: -+ cookie->error = 1; -+} -+ -+static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) -+{ -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ u8 key_idx = 0; -+ u8 *mac_addr = NULL; -+ struct get_key_cookie cookie = { -+ .error = 0, -+ }; -+ void *hdr; -+ struct sk_buff *msg; -+ -+ if (info->attrs[NL80211_ATTR_KEY_IDX]) -+ key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); -+ -+ if (key_idx > 3) -+ return -EINVAL; -+ -+ if (info->attrs[NL80211_ATTR_MAC]) -+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ if (!drv->ops->get_key) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); -+ if (!msg) { -+ err = -ENOMEM; -+ goto out; -+ } -+ -+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, -+ NL80211_CMD_NEW_KEY); -+ -+ if (IS_ERR(hdr)) { -+ err = PTR_ERR(hdr); -+ goto out; -+ } -+ -+ cookie.msg = msg; -+ -+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); -+ NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); -+ if (mac_addr) -+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); -+ -+ rtnl_lock(); -+ err = drv->ops->get_key(&drv->wiphy, dev, key_idx, mac_addr, -+ &cookie, get_key_callback); -+ rtnl_unlock(); -+ -+ if (err) -+ goto out; -+ -+ if (cookie.error) -+ goto nla_put_failure; -+ -+ genlmsg_end(msg, hdr); -+ err = genlmsg_unicast(msg, info->snd_pid); -+ goto out; -+ -+ nla_put_failure: -+ err = -ENOBUFS; -+ nlmsg_free(msg); -+ out: -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; -+} -+ -+static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) -+{ -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ u8 key_idx; -+ -+ if (!info->attrs[NL80211_ATTR_KEY_IDX]) -+ return -EINVAL; -+ -+ key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); -+ -+ if (key_idx > 3) -+ return -EINVAL; -+ -+ /* currently only support setting default key */ -+ if (!info->attrs[NL80211_ATTR_KEY_DEFAULT]) -+ return -EINVAL; -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ if (!drv->ops->set_default_key) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ rtnl_lock(); -+ err = drv->ops->set_default_key(&drv->wiphy, dev, key_idx); -+ rtnl_unlock(); -+ -+ out: -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; -+} -+ -+static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) -+{ -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ struct key_params params; -+ u8 key_idx = 0; -+ u8 *mac_addr = NULL; -+ -+ memset(¶ms, 0, sizeof(params)); -+ -+ if (!info->attrs[NL80211_ATTR_KEY_CIPHER]) -+ return -EINVAL; -+ -+ if (info->attrs[NL80211_ATTR_KEY_DATA]) { -+ params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); -+ params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); -+ } -+ -+ if (info->attrs[NL80211_ATTR_KEY_IDX]) -+ key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); -+ -+ params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); -+ -+ if (info->attrs[NL80211_ATTR_MAC]) -+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); -+ -+ if (key_idx > 3) -+ return -EINVAL; -+ -+ /* -+ * Disallow pairwise keys with non-zero index unless it's WEP -+ * (because current deployments use pairwise WEP keys with -+ * non-zero indizes but 802.11i clearly specifies to use zero) -+ */ -+ if (mac_addr && key_idx && -+ params.cipher != WLAN_CIPHER_SUITE_WEP40 && -+ params.cipher != WLAN_CIPHER_SUITE_WEP104) -+ return -EINVAL; -+ -+ /* TODO: add definitions for the lengths to linux/ieee80211.h */ -+ switch (params.cipher) { -+ case WLAN_CIPHER_SUITE_WEP40: -+ if (params.key_len != 5) -+ return -EINVAL; -+ break; -+ case WLAN_CIPHER_SUITE_TKIP: -+ if (params.key_len != 32) -+ return -EINVAL; -+ break; -+ case WLAN_CIPHER_SUITE_CCMP: -+ if (params.key_len != 16) -+ return -EINVAL; -+ break; -+ case WLAN_CIPHER_SUITE_WEP104: -+ if (params.key_len != 13) -+ return -EINVAL; -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ if (!drv->ops->add_key) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ rtnl_lock(); -+ err = drv->ops->add_key(&drv->wiphy, dev, key_idx, mac_addr, ¶ms); -+ rtnl_unlock(); -+ -+ out: -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; -+} -+ -+static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) -+{ -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ u8 key_idx = 0; -+ u8 *mac_addr = NULL; -+ -+ if (info->attrs[NL80211_ATTR_KEY_IDX]) -+ key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); -+ -+ if (key_idx > 3) -+ return -EINVAL; -+ -+ if (info->attrs[NL80211_ATTR_MAC]) -+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ if (!drv->ops->del_key) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ rtnl_lock(); -+ err = drv->ops->del_key(&drv->wiphy, dev, key_idx, mac_addr); -+ rtnl_unlock(); -+ -+ out: -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; -+} -+ - static struct genl_ops nl80211_ops[] = { - { - .cmd = NL80211_CMD_GET_WIPHY, -@@ -374,6 +639,30 @@ static struct genl_ops nl80211_ops[] = { - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - }, -+ { -+ .cmd = NL80211_CMD_GET_KEY, -+ .doit = nl80211_get_key, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ }, -+ { -+ .cmd = NL80211_CMD_SET_KEY, -+ .doit = nl80211_set_key, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ }, -+ { -+ .cmd = NL80211_CMD_NEW_KEY, -+ .doit = nl80211_new_key, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ }, -+ { -+ .cmd = NL80211_CMD_DEL_KEY, -+ .doit = nl80211_del_key, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ }, - }; - - /* multicast groups */ ---- everything.orig/net/wireless/core.c 2007-10-30 15:33:43.677380478 +0100 -+++ everything/net/wireless/core.c 2007-11-07 13:19:38.221513833 +0100 -@@ -184,6 +184,9 @@ struct wiphy *wiphy_new(struct cfg80211_ - struct cfg80211_registered_device *drv; - int alloc_size; - -+ WARN_ON(!ops->add_key && ops->del_key); -+ WARN_ON(ops->add_key && !ops->del_key); -+ - alloc_size = sizeof(*drv) + sizeof_priv; - - drv = kzalloc(alloc_size, GFP_KERNEL); ---- everything.orig/include/net/cfg80211.h 2007-10-30 15:33:43.617381780 +0100 -+++ everything/include/net/cfg80211.h 2007-11-07 13:19:38.231512748 +0100 -@@ -49,6 +49,26 @@ extern int ieee80211_radiotap_iterator_n - struct ieee80211_radiotap_iterator *iterator); - - -+ /** -+ * struct key_params - key information -+ * -+ * Information about a key -+ * -+ * @key: key material -+ * @key_len: length of key material -+ * @cipher: cipher suite selector -+ * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used -+ * with the get_key() callback, must be in little endian, -+ * length given by @seq_len. -+ */ -+struct key_params { -+ u8 *key; -+ u8 *seq; -+ int key_len; -+ int seq_len; -+ u32 cipher; -+}; -+ - /* from net/wireless.h */ - struct wiphy; - -@@ -71,6 +91,18 @@ struct wiphy; - * - * @change_virtual_intf: change type of virtual interface - * -+ * @add_key: add a key with the given parameters. @mac_addr will be %NULL -+ * when adding a group key. -+ * -+ * @get_key: get information about the key with the given parameters. -+ * @mac_addr will be %NULL when requesting information for a group -+ * key. All pointers given to the @callback function need not be valid -+ * after it returns. -+ * -+ * @del_key: remove a key given the @mac_addr (%NULL for a group key) -+ * and @key_index -+ * -+ * @set_default_key: set the default key on an interface - */ - struct cfg80211_ops { - int (*add_virtual_intf)(struct wiphy *wiphy, char *name, -@@ -78,6 +110,18 @@ struct cfg80211_ops { - int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex); - int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex, - enum nl80211_iftype type); -+ -+ int (*add_key)(struct wiphy *wiphy, struct net_device *netdev, -+ u8 key_index, u8 *mac_addr, -+ struct key_params *params); -+ int (*get_key)(struct wiphy *wiphy, struct net_device *netdev, -+ u8 key_index, u8 *mac_addr, void *cookie, -+ void (*callback)(void *cookie, struct key_params*)); -+ int (*del_key)(struct wiphy *wiphy, struct net_device *netdev, -+ u8 key_index, u8 *mac_addr); -+ int (*set_default_key)(struct wiphy *wiphy, -+ struct net_device *netdev, -+ u8 key_index); - }; - - #endif /* __NET_CFG80211_H */ diff --git a/package/mac80211/patches/018-mac80211-cfg80211-keys.patch b/package/mac80211/patches/018-mac80211-cfg80211-keys.patch deleted file mode 100644 index 0c98623..0000000 --- a/package/mac80211/patches/018-mac80211-cfg80211-keys.patch +++ /dev/null @@ -1,120 +0,0 @@ -Subject: mac80211: support adding/removing keys via cfg80211 - -This adds the necessary hooks to mac80211 to allow userspace -to edit keys with cfg80211 (through nl80211.) - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - net/mac80211/cfg.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 91 insertions(+) - ---- everything.orig/net/mac80211/cfg.c 2007-11-07 13:19:29.441515732 +0100 -+++ everything/net/mac80211/cfg.c 2007-11-07 13:19:39.531517685 +0100 -@@ -6,6 +6,7 @@ - * This file is GPLv2 as found in COPYING. - */ - -+#include <linux/ieee80211.h> - #include <linux/nl80211.h> - #include <linux/rtnetlink.h> - #include <net/net_namespace.h> -@@ -105,8 +106,98 @@ static int ieee80211_change_iface(struct - return 0; - } - -+static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, -+ u8 key_idx, u8 *mac_addr, -+ struct key_params *params) -+{ -+ struct ieee80211_sub_if_data *sdata; -+ struct sta_info *sta = NULL; -+ enum ieee80211_key_alg alg; -+ int ret; -+ -+ sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ -+ switch (params->cipher) { -+ case WLAN_CIPHER_SUITE_WEP40: -+ case WLAN_CIPHER_SUITE_WEP104: -+ alg = ALG_WEP; -+ break; -+ case WLAN_CIPHER_SUITE_TKIP: -+ alg = ALG_TKIP; -+ break; -+ case WLAN_CIPHER_SUITE_CCMP: -+ alg = ALG_CCMP; -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ if (mac_addr) { -+ sta = sta_info_get(sdata->local, mac_addr); -+ if (!sta) -+ return -ENOENT; -+ } -+ -+ ret = 0; -+ if (!ieee80211_key_alloc(sdata, sta, alg, key_idx, -+ params->key_len, params->key)) -+ ret = -ENOMEM; -+ -+ if (sta) -+ sta_info_put(sta); -+ -+ return ret; -+} -+ -+static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, -+ u8 key_idx, u8 *mac_addr) -+{ -+ struct ieee80211_sub_if_data *sdata; -+ struct sta_info *sta; -+ int ret; -+ -+ sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ -+ if (mac_addr) { -+ sta = sta_info_get(sdata->local, mac_addr); -+ if (!sta) -+ return -ENOENT; -+ -+ ret = 0; -+ if (sta->key) -+ ieee80211_key_free(sta->key); -+ else -+ ret = -ENOENT; -+ -+ sta_info_put(sta); -+ return ret; -+ } -+ -+ if (!sdata->keys[key_idx]) -+ return -ENOENT; -+ -+ ieee80211_key_free(sdata->keys[key_idx]); -+ -+ return 0; -+} -+ -+static int ieee80211_config_default_key(struct wiphy *wiphy, -+ struct net_device *dev, -+ u8 key_idx) -+{ -+ struct ieee80211_sub_if_data *sdata; -+ -+ sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ ieee80211_set_default_key(sdata, key_idx); -+ -+ return 0; -+} -+ - struct cfg80211_ops mac80211_config_ops = { - .add_virtual_intf = ieee80211_add_iface, - .del_virtual_intf = ieee80211_del_iface, - .change_virtual_intf = ieee80211_change_iface, -+ .add_key = ieee80211_add_key, -+ .del_key = ieee80211_del_key, -+ .set_default_key = ieee80211_config_default_key, - }; diff --git a/package/mac80211/patches/019-mac80211-key-seq-nl80211.patch b/package/mac80211/patches/019-mac80211-key-seq-nl80211.patch deleted file mode 100644 index 5d0020b..0000000 --- a/package/mac80211/patches/019-mac80211-key-seq-nl80211.patch +++ /dev/null @@ -1,161 +0,0 @@ -Subject: mac80211: support getting key sequence counters via cfg80211 - -This implements cfg80211's get_key() to allow retrieving the sequence -counter for a TKIP or CCMP key from userspace. It also cleans up and -documents the associated low-level driver interface. - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - include/net/mac80211.h | 14 ++------ - net/mac80211/cfg.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++- - 2 files changed, 89 insertions(+), 10 deletions(-) - -Index: mac80211/net/mac80211/cfg.c -=================================================================== ---- mac80211.orig/net/mac80211/cfg.c 2007-11-11 15:46:41.497954646 +0100 -+++ mac80211/net/mac80211/cfg.c 2007-11-11 15:46:51.346515884 +0100 -@@ -1,7 +1,7 @@ - /* - * mac80211 configuration hooks for cfg80211 - * -- * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> -+ * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net> - * - * This file is GPLv2 as found in COPYING. - */ -@@ -180,6 +180,88 @@ - return 0; - } - -+static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, -+ u8 key_idx, u8 *mac_addr, void *cookie, -+ void (*callback)(void *cookie, -+ struct key_params *params)) -+{ -+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ struct sta_info *sta = NULL; -+ u8 seq[6] = {0}; -+ struct key_params params; -+ struct ieee80211_key *key; -+ u32 iv32; -+ u16 iv16; -+ int err = -ENOENT; -+ -+ if (mac_addr) { -+ sta = sta_info_get(sdata->local, mac_addr); -+ if (!sta) -+ goto out; -+ -+ key = sta->key; -+ } else -+ key = sdata->keys[key_idx]; -+ -+ if (!key) -+ goto out; -+ -+ memset(¶ms, 0, sizeof(params)); -+ -+ switch (key->conf.alg) { -+ case ALG_TKIP: -+ params.cipher = WLAN_CIPHER_SUITE_TKIP; -+ -+ iv32 = key->u.tkip.iv32; -+ iv16 = key->u.tkip.iv16; -+ -+ if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && -+ sdata->local->ops->get_tkip_seq) -+ sdata->local->ops->get_tkip_seq( -+ local_to_hw(sdata->local), -+ key->conf.hw_key_idx, -+ &iv32, &iv16); -+ -+ seq[0] = iv16 & 0xff; -+ seq[1] = (iv16 >> 8) & 0xff; -+ seq[2] = iv32 & 0xff; -+ seq[3] = (iv32 >> 8) & 0xff; -+ seq[4] = (iv32 >> 16) & 0xff; -+ seq[5] = (iv32 >> 24) & 0xff; -+ params.seq = seq; -+ params.seq_len = 6; -+ break; -+ case ALG_CCMP: -+ params.cipher = WLAN_CIPHER_SUITE_CCMP; -+ seq[0] = key->u.ccmp.tx_pn[5]; -+ seq[1] = key->u.ccmp.tx_pn[4]; -+ seq[2] = key->u.ccmp.tx_pn[3]; -+ seq[3] = key->u.ccmp.tx_pn[2]; -+ seq[4] = key->u.ccmp.tx_pn[1]; -+ seq[5] = key->u.ccmp.tx_pn[0]; -+ params.seq = seq; -+ params.seq_len = 6; -+ break; -+ case ALG_WEP: -+ if (key->conf.keylen == 5) -+ params.cipher = WLAN_CIPHER_SUITE_WEP40; -+ else -+ params.cipher = WLAN_CIPHER_SUITE_WEP104; -+ break; -+ } -+ -+ params.key = key->conf.key; -+ params.key_len = key->conf.keylen; -+ -+ callback(cookie, ¶ms); -+ err = 0; -+ -+ out: -+ if (sta) -+ sta_info_put(sta); -+ return err; -+} -+ - static int ieee80211_config_default_key(struct wiphy *wiphy, - struct net_device *dev, - u8 key_idx) -@@ -198,5 +280,6 @@ - .change_virtual_intf = ieee80211_change_iface, - .add_key = ieee80211_add_key, - .del_key = ieee80211_del_key, -+ .get_key = ieee80211_get_key, - .set_default_key = ieee80211_config_default_key, - }; -Index: mac80211/include/net/mac80211.h -=================================================================== ---- mac80211.orig/include/net/mac80211.h 2007-11-11 15:46:41.377947807 +0100 -+++ mac80211/include/net/mac80211.h 2007-11-11 15:47:08.183475366 +0100 -@@ -598,9 +598,6 @@ - u8 key[0]; - }; - --#define IEEE80211_SEQ_COUNTER_RX 0 --#define IEEE80211_SEQ_COUNTER_TX 1 -- - /** - * enum set_key_cmd - key command - * -@@ -947,9 +944,9 @@ - * - * @get_stats: return low-level statistics - * -- * @get_sequence_counter: For devices that have internal sequence counters this -- * callback allows mac80211 to access the current value of a counter. -- * This callback seems not well-defined, tell us if you need it. -+ * @get_tkip_seq: If your device implements TKIP encryption in hardware this -+ * callback should be provided to read the TKIP transmit IVs (both IV32 -+ * and IV16) for the given key from hardware. - * - * @set_rts_threshold: Configuration of RTS threshold (if device needs it) - * -@@ -1022,9 +1019,8 @@ - int (*hw_scan)(struct ieee80211_hw *hw, u8 *ssid, size_t len); - int (*get_stats)(struct ieee80211_hw *hw, - struct ieee80211_low_level_stats *stats); -- int (*get_sequence_counter)(struct ieee80211_hw *hw, -- u8* addr, u8 keyidx, u8 txrx, -- u32* iv32, u16* iv16); -+ void (*get_tkip_seq)(struct ieee80211_hw *hw, u8 hw_key_idx, -+ u32 *iv32, u16 *iv16); - int (*set_rts_threshold)(struct ieee80211_hw *hw, u32 value); - int (*set_frag_threshold)(struct ieee80211_hw *hw, u32 value); - int (*set_retry_limit)(struct ieee80211_hw *hw, diff --git a/package/mac80211/patches/020-nl80211-beacon-parameters.patch b/package/mac80211/patches/020-nl80211-beacon-parameters.patch deleted file mode 100644 index 51836f3..0000000 --- a/package/mac80211/patches/020-nl80211-beacon-parameters.patch +++ /dev/null @@ -1,279 +0,0 @@ -Subject: cfg80211/nl80211: add beacon settings - -This adds the necessary API to cfg80211/nl80211 to allow -changing beaconing settings. - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - include/linux/nl80211.h | 24 ++++++++ - include/net/cfg80211.h | 33 +++++++++++ - net/wireless/nl80211.c | 133 ++++++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 190 insertions(+) - ---- everything.orig/include/net/cfg80211.h 2007-11-08 11:50:57.412840007 +0100 -+++ everything/include/net/cfg80211.h 2007-11-08 16:50:38.421522842 +0100 -@@ -69,6 +69,26 @@ struct key_params { - u32 cipher; - }; - -+/** -+ * struct beacon_parameters - beacon parameters -+ * -+ * Used to configure the beacon for an interface. -+ * -+ * @head: head portion of beacon (before TIM IE) -+ * or %NULL if not changed -+ * @tail: tail portion of beacon (after TIM IE) -+ * or %NULL if not changed -+ * @interval: beacon interval or zero if not changed -+ * @dtim_period: DTIM period or zero if not changed -+ * @head_len: length of @head -+ * @tail_len: length of @tail -+ */ -+struct beacon_parameters { -+ u8 *head, *tail; -+ int interval, dtim_period; -+ int head_len, tail_len; -+}; -+ - /* from net/wireless.h */ - struct wiphy; - -@@ -103,6 +123,13 @@ struct wiphy; - * and @key_index - * - * @set_default_key: set the default key on an interface -+ * -+ * @add_beacon: Add a beacon with given parameters, @head, @interval -+ * and @dtim_period will be valid, @tail is optional. -+ * @set_beacon: Change the beacon parameters for an access point mode -+ * interface. This should reject the call when no beacon has been -+ * configured. -+ * @del_beacon: Remove beacon configuration and stop sending the beacon. - */ - struct cfg80211_ops { - int (*add_virtual_intf)(struct wiphy *wiphy, char *name, -@@ -122,6 +149,12 @@ struct cfg80211_ops { - int (*set_default_key)(struct wiphy *wiphy, - struct net_device *netdev, - u8 key_index); -+ -+ int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev, -+ struct beacon_parameters *info); -+ int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev, -+ struct beacon_parameters *info); -+ int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev); - }; - - #endif /* __NET_CFG80211_H */ ---- everything.orig/include/linux/nl80211.h 2007-11-08 11:50:57.362839952 +0100 -+++ everything/include/linux/nl80211.h 2007-11-08 16:56:32.431522732 +0100 -@@ -47,6 +47,15 @@ - * @NL80211_CMD_DEL_KEY: delete a key identified by %NL80211_ATTR_KEY_IDX - * or %NL80211_ATTR_MAC. - * -+ * @NL80211_CMD_GET_BEACON: retrieve beacon information (returned in a -+ * %NL80222_CMD_NEW_BEACON message) -+ * @NL80211_CMD_SET_BEACON: set the beacon on an access point interface -+ * using the %NL80211_ATTR_BEACON_INTERVAL, %NL80211_ATTR_DTIM_PERIOD, -+ * %NL80211_BEACON_HEAD and %NL80211_BEACON_TAIL attributes. -+ * @NL80211_CMD_NEW_BEACON: add a new beacon to an access point interface, -+ * parameters are like for %NL80211_CMD_SET_BEACON. -+ * @NL80211_CMD_DEL_BEACON: remove the beacon, stop sending it -+ * - * @NL80211_CMD_MAX: highest used command number - * @__NL80211_CMD_AFTER_LAST: internal use - */ -@@ -69,6 +78,11 @@ enum nl80211_commands { - NL80211_CMD_NEW_KEY, - NL80211_CMD_DEL_KEY, - -+ NL80211_CMD_GET_BEACON, -+ NL80211_CMD_SET_BEACON, -+ NL80211_CMD_NEW_BEACON, -+ NL80211_CMD_DEL_BEACON, -+ - /* add commands here */ - - /* used to define NL80211_CMD_MAX below */ -@@ -101,6 +115,11 @@ enum nl80211_commands { - * @NL80211_ATTR_KEY_SEQ: transmit key sequence number (IV/PN) for TKIP and - * CCMP keys, each six bytes in little endian - * -+ * @NL80211_ATTR_BEACON_INTERVAL: beacon interval in TU -+ * @NL80211_ATTR_DTIM_PERIOD: DTIM period for beaconing -+ * @NL80211_ATTR_BEACON_HEAD: portion of the beacon before the TIM IE -+ * @NL80211_ATTR_BEACON_TAIL: portion of the beacon after the TIM IE -+ * - * @NL80211_ATTR_MAX: highest attribute number currently defined - * @__NL80211_ATTR_AFTER_LAST: internal use - */ -@@ -123,6 +142,11 @@ enum nl80211_attrs { - NL80211_ATTR_KEY_SEQ, - NL80211_ATTR_KEY_DEFAULT, - -+ NL80211_ATTR_BEACON_INTERVAL, -+ NL80211_ATTR_DTIM_PERIOD, -+ NL80211_ATTR_BEACON_HEAD, -+ NL80211_ATTR_BEACON_TAIL, -+ - /* add attributes here, update the policy in nl80211.c */ - - __NL80211_ATTR_AFTER_LAST, ---- everything.orig/net/wireless/nl80211.c 2007-11-08 11:50:57.382836589 +0100 -+++ everything/net/wireless/nl80211.c 2007-11-08 16:58:36.711524524 +0100 -@@ -69,6 +69,13 @@ static struct nla_policy nl80211_policy[ - [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, - [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, - [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, -+ -+ [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, -+ [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, -+ [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, -+ .len = IEEE80211_MAX_DATA_LEN }, -+ [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, -+ .len = IEEE80211_MAX_DATA_LEN }, - }; - - /* message building helper */ -@@ -600,6 +607,114 @@ static int nl80211_del_key(struct sk_buf - return err; - } - -+static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) -+{ -+ int (*call)(struct wiphy *wiphy, struct net_device *dev, -+ struct beacon_parameters *info); -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ struct beacon_parameters params; -+ int haveinfo = 0; -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ switch (info->genlhdr->cmd) { -+ case NL80211_CMD_NEW_BEACON: -+ /* these are required for NEW_BEACON */ -+ if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || -+ !info->attrs[NL80211_ATTR_DTIM_PERIOD] || -+ !info->attrs[NL80211_ATTR_BEACON_HEAD]) { -+ err = -EINVAL; -+ goto out; -+ } -+ -+ call = drv->ops->add_beacon; -+ break; -+ case NL80211_CMD_SET_BEACON: -+ call = drv->ops->set_beacon; -+ break; -+ default: -+ WARN_ON(1); -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ if (!call) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ memset(¶ms, 0, sizeof(params)); -+ -+ if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { -+ params.interval = -+ nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); -+ haveinfo = 1; -+ } -+ -+ if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { -+ params.dtim_period = -+ nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); -+ haveinfo = 1; -+ } -+ -+ if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { -+ params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); -+ params.head_len = -+ nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); -+ haveinfo = 1; -+ } -+ -+ if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { -+ params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); -+ params.tail_len = -+ nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); -+ haveinfo = 1; -+ } -+ -+ if (!haveinfo) { -+ err = -EINVAL; -+ goto out; -+ } -+ -+ rtnl_lock(); -+ err = call(&drv->wiphy, dev, ¶ms); -+ rtnl_unlock(); -+ -+ out: -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; -+} -+ -+static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) -+{ -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ if (!drv->ops->del_beacon) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ rtnl_lock(); -+ err = drv->ops->del_beacon(&drv->wiphy, dev); -+ rtnl_unlock(); -+ -+ out: -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; -+} -+ - static struct genl_ops nl80211_ops[] = { - { - .cmd = NL80211_CMD_GET_WIPHY, -@@ -663,6 +778,24 @@ static struct genl_ops nl80211_ops[] = { - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - }, -+ { -+ .cmd = NL80211_CMD_SET_BEACON, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ .doit = nl80211_addset_beacon, -+ }, -+ { -+ .cmd = NL80211_CMD_NEW_BEACON, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ .doit = nl80211_addset_beacon, -+ }, -+ { -+ .cmd = NL80211_CMD_DEL_BEACON, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ .doit = nl80211_del_beacon, -+ }, - }; - - /* multicast groups */ diff --git a/package/mac80211/patches/021-mac80211-beacon-via-nl80211.patch b/package/mac80211/patches/021-mac80211-beacon-via-nl80211.patch deleted file mode 100644 index 702c68f..0000000 --- a/package/mac80211/patches/021-mac80211-beacon-via-nl80211.patch +++ /dev/null @@ -1,484 +0,0 @@ -Subject: mac80211: add beacon configuration via cfg80211 - -This patch implements the cfg80211 hooks for configuring beaconing -on an access point interface in mac80211. While doing so, it fixes -a number of races that could badly crash the machine when the -beacon is changed while being requested by the driver. - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- -The dtim_count field should possibly also be part of the beacon -structure, but the possible race there doesn't really matter, -worst thing is that one beacon will be sent with a wrong dtim -count if (and only if) userspace changes the dtim period during -operation. - - net/mac80211/cfg.c | 156 +++++++++++++++++++++++++++++++++++++++++ - net/mac80211/debugfs_netdev.c | 27 ------- - net/mac80211/ieee80211_i.h | 14 ++- - net/mac80211/ieee80211_iface.c | 4 - - net/mac80211/tx.c | 63 ++++++++++------ - 5 files changed, 204 insertions(+), 60 deletions(-) - -Index: mac80211/net/mac80211/cfg.c -=================================================================== ---- mac80211.orig/net/mac80211/cfg.c 2007-11-11 15:17:12.837164411 +0100 -+++ mac80211/net/mac80211/cfg.c 2007-11-11 15:18:36.853952256 +0100 -@@ -9,6 +9,7 @@ - #include <linux/ieee80211.h> - #include <linux/nl80211.h> - #include <linux/rtnetlink.h> -+#include <linux/rcupdate.h> - #include <net/cfg80211.h> - #include "ieee80211_i.h" - #include "cfg.h" -@@ -274,6 +275,158 @@ - return 0; - } - -+/* -+ * This handles both adding a beacon and setting new beacon info -+ */ -+static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, -+ struct beacon_parameters *params) -+{ -+ struct beacon_data *new, *old; -+ int new_head_len, new_tail_len; -+ int size; -+ int err = -EINVAL; -+ -+ old = sdata->u.ap.beacon; -+ -+ /* head must not be zero-length */ -+ if (params->head && !params->head_len) -+ return -EINVAL; -+ -+ /* -+ * This is a kludge. beacon interval should really be part -+ * of the beacon information. -+ */ -+ if (params->interval) { -+ sdata->local->hw.conf.beacon_int = params->interval; -+ if (ieee80211_hw_config(sdata->local)) -+ return -EINVAL; -+ /* -+ * We updated some parameter so if below bails out -+ * it's not an error. -+ */ -+ err = 0; -+ } -+ -+ /* Need to have a beacon head if we don't have one yet */ -+ if (!params->head && !old) -+ return err; -+ -+ /* sorry, no way to start beaconing without dtim period */ -+ if (!params->dtim_period && !old) -+ return err; -+ -+ /* new or old head? */ -+ if (params->head) -+ new_head_len = params->head_len; -+ else -+ new_head_len = old->head_len; -+ -+ /* new or old tail? */ -+ if (params->tail || !old) -+ /* params->tail_len will be zero for !params->tail */ -+ new_tail_len = params->tail_len; -+ else -+ new_tail_len = old->tail_len; -+ -+ size = sizeof(*new) + new_head_len + new_tail_len; -+ -+ new = kzalloc(size, GFP_KERNEL); -+ if (!new) -+ return -ENOMEM; -+ -+ /* start filling the new info now */ -+ -+ /* new or old dtim period? */ -+ if (params->dtim_period) -+ new->dtim_period = params->dtim_period; -+ else -+ new->dtim_period = old->dtim_period; -+ -+ /* -+ * pointers go into the block we allocated, -+ * memory is | beacon_data | head | tail | -+ */ -+ new->head = ((u8 *) new) + sizeof(*new); -+ new->tail = new->head + new_head_len; -+ new->head_len = new_head_len; -+ new->tail_len = new_tail_len; -+ -+ /* copy in head */ -+ if (params->head) -+ memcpy(new->head, params->head, new_head_len); -+ else -+ memcpy(new->head, old->head, new_head_len); -+ -+ /* copy in optional tail */ -+ if (params->tail) -+ memcpy(new->tail, params->tail, new_tail_len); -+ else -+ if (old) -+ memcpy(new->tail, old->tail, new_tail_len); -+ -+ rcu_assign_pointer(sdata->u.ap.beacon, new); -+ -+ synchronize_rcu(); -+ -+ kfree(old); -+ -+ return ieee80211_if_config_beacon(sdata->dev); -+} -+ -+static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, -+ struct beacon_parameters *params) -+{ -+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ struct beacon_data *old; -+ -+ if (sdata->type != IEEE80211_IF_TYPE_AP) -+ return -EINVAL; -+ -+ old = sdata->u.ap.beacon; -+ -+ if (old) -+ return -EALREADY; -+ -+ return ieee80211_config_beacon(sdata, params); -+} -+ -+static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, -+ struct beacon_parameters *params) -+{ -+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ struct beacon_data *old; -+ -+ if (sdata->type != IEEE80211_IF_TYPE_AP) -+ return -EINVAL; -+ -+ old = sdata->u.ap.beacon; -+ -+ if (!old) -+ return -ENOENT; -+ -+ return ieee80211_config_beacon(sdata, params); -+} -+ -+static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) -+{ -+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ struct beacon_data *old; -+ -+ if (sdata->type != IEEE80211_IF_TYPE_AP) -+ return -EINVAL; -+ -+ old = sdata->u.ap.beacon; -+ -+ if (!old) -+ return -ENOENT; -+ -+ rcu_assign_pointer(sdata->u.ap.beacon, NULL); -+ synchronize_rcu(); -+ kfree(old); -+ -+ return ieee80211_if_config_beacon(dev); -+} -+ - struct cfg80211_ops mac80211_config_ops = { - .add_virtual_intf = ieee80211_add_iface, - .del_virtual_intf = ieee80211_del_iface, -@@ -282,4 +435,7 @@ - .del_key = ieee80211_del_key, - .get_key = ieee80211_get_key, - .set_default_key = ieee80211_config_default_key, -+ .add_beacon = ieee80211_add_beacon, -+ .set_beacon = ieee80211_set_beacon, -+ .del_beacon = ieee80211_del_beacon, - }; -Index: mac80211/net/mac80211/debugfs_netdev.c -=================================================================== ---- mac80211.orig/net/mac80211/debugfs_netdev.c 2007-10-14 00:42:30.054156000 +0200 -+++ mac80211/net/mac80211/debugfs_netdev.c 2007-11-11 15:18:11.852527505 +0100 -@@ -124,7 +124,6 @@ - - /* AP attributes */ - IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC); --IEEE80211_IF_FILE(dtim_period, u.ap.dtim_period, DEC); - IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC); - IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC); - IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC); -@@ -138,26 +137,6 @@ - } - __IEEE80211_IF_FILE(num_buffered_multicast); - --static ssize_t ieee80211_if_fmt_beacon_head_len( -- const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) --{ -- if (sdata->u.ap.beacon_head) -- return scnprintf(buf, buflen, "%d\n", -- sdata->u.ap.beacon_head_len); -- return scnprintf(buf, buflen, "\n"); --} --__IEEE80211_IF_FILE(beacon_head_len); -- --static ssize_t ieee80211_if_fmt_beacon_tail_len( -- const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) --{ -- if (sdata->u.ap.beacon_tail) -- return scnprintf(buf, buflen, "%d\n", -- sdata->u.ap.beacon_tail_len); -- return scnprintf(buf, buflen, "\n"); --} --__IEEE80211_IF_FILE(beacon_tail_len); -- - /* WDS attributes */ - IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); - -@@ -194,14 +173,11 @@ - DEBUGFS_ADD(eapol, ap); - DEBUGFS_ADD(ieee8021_x, ap); - DEBUGFS_ADD(num_sta_ps, ap); -- DEBUGFS_ADD(dtim_period, ap); - DEBUGFS_ADD(dtim_count, ap); - DEBUGFS_ADD(num_beacons, ap); - DEBUGFS_ADD(force_unicast_rateidx, ap); - DEBUGFS_ADD(max_ratectrl_rateidx, ap); - DEBUGFS_ADD(num_buffered_multicast, ap); -- DEBUGFS_ADD(beacon_head_len, ap); -- DEBUGFS_ADD(beacon_tail_len, ap); - } - - static void add_wds_files(struct ieee80211_sub_if_data *sdata) -@@ -287,14 +263,11 @@ - DEBUGFS_DEL(eapol, ap); - DEBUGFS_DEL(ieee8021_x, ap); - DEBUGFS_DEL(num_sta_ps, ap); -- DEBUGFS_DEL(dtim_period, ap); - DEBUGFS_DEL(dtim_count, ap); - DEBUGFS_DEL(num_beacons, ap); - DEBUGFS_DEL(force_unicast_rateidx, ap); - DEBUGFS_DEL(max_ratectrl_rateidx, ap); - DEBUGFS_DEL(num_buffered_multicast, ap); -- DEBUGFS_DEL(beacon_head_len, ap); -- DEBUGFS_DEL(beacon_tail_len, ap); - } - - static void del_wds_files(struct ieee80211_sub_if_data *sdata) -Index: mac80211/net/mac80211/ieee80211_i.h -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_i.h 2007-11-11 15:15:53.792659922 +0100 -+++ mac80211/net/mac80211/ieee80211_i.h 2007-11-11 15:18:11.864528190 +0100 -@@ -190,9 +190,14 @@ - typedef ieee80211_txrx_result (*ieee80211_rx_handler) - (struct ieee80211_txrx_data *rx); - -+struct beacon_data { -+ u8 *head, *tail; -+ int head_len, tail_len; -+ int dtim_period; -+}; -+ - struct ieee80211_if_ap { -- u8 *beacon_head, *beacon_tail; -- int beacon_head_len, beacon_tail_len; -+ struct beacon_data *beacon; - - struct list_head vlans; - -@@ -205,7 +210,7 @@ - u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; - atomic_t num_sta_ps; /* number of stations in PS mode */ - struct sk_buff_head ps_bc_buf; -- int dtim_period, dtim_count; -+ int dtim_count; - int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ - int max_ratectrl_rateidx; /* max TX rateidx for rate control */ - int num_beacons; /* number of TXed beacon frames for this BSS */ -@@ -361,14 +366,11 @@ - struct dentry *eapol; - struct dentry *ieee8021_x; - struct dentry *num_sta_ps; -- struct dentry *dtim_period; - struct dentry *dtim_count; - struct dentry *num_beacons; - struct dentry *force_unicast_rateidx; - struct dentry *max_ratectrl_rateidx; - struct dentry *num_buffered_multicast; -- struct dentry *beacon_head_len; -- struct dentry *beacon_tail_len; - } ap; - struct { - struct dentry *channel_use; -Index: mac80211/net/mac80211/ieee80211_iface.c -=================================================================== ---- mac80211.orig/net/mac80211/ieee80211_iface.c 2007-11-11 15:15:53.796660158 +0100 -+++ mac80211/net/mac80211/ieee80211_iface.c 2007-11-11 15:18:11.868528415 +0100 -@@ -187,7 +187,6 @@ - sdata->u.vlan.ap = NULL; - break; - case IEEE80211_IF_TYPE_AP: -- sdata->u.ap.dtim_period = 2; - sdata->u.ap.force_unicast_rateidx = -1; - sdata->u.ap.max_ratectrl_rateidx = -1; - skb_queue_head_init(&sdata->u.ap.ps_bc_buf); -@@ -271,8 +270,7 @@ - } - } - -- kfree(sdata->u.ap.beacon_head); -- kfree(sdata->u.ap.beacon_tail); -+ kfree(sdata->u.ap.beacon); - - while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) { - local->total_ps_buffered--; -Index: mac80211/net/mac80211/tx.c -=================================================================== ---- mac80211.orig/net/mac80211/tx.c 2007-11-11 15:15:53.804660611 +0100 -+++ mac80211/net/mac80211/tx.c 2007-11-11 15:18:11.868528415 +0100 -@@ -1656,7 +1656,8 @@ - - static void ieee80211_beacon_add_tim(struct ieee80211_local *local, - struct ieee80211_if_ap *bss, -- struct sk_buff *skb) -+ struct sk_buff *skb, -+ struct beacon_data *beacon) - { - u8 *pos, *tim; - int aid0 = 0; -@@ -1672,7 +1673,7 @@ - IEEE80211_MAX_AID+1); - - if (bss->dtim_count == 0) -- bss->dtim_count = bss->dtim_period - 1; -+ bss->dtim_count = beacon->dtim_period - 1; - else - bss->dtim_count--; - -@@ -1680,7 +1681,7 @@ - *pos++ = WLAN_EID_TIM; - *pos++ = 4; - *pos++ = bss->dtim_count; -- *pos++ = bss->dtim_period; -+ *pos++ = beacon->dtim_period; - - if (bss->dtim_count == 0 && !skb_queue_empty(&bss->ps_bc_buf)) - aid0 = 1; -@@ -1728,8 +1729,9 @@ - struct ieee80211_if_ap *ap = NULL; - struct ieee80211_rate *rate; - struct rate_control_extra extra; -- u8 *b_head, *b_tail; -- int bh_len, bt_len; -+ struct beacon_data *beacon; -+ -+ rcu_read_lock(); - - bdev = dev_get_by_index(if_id); - if (bdev) { -@@ -1738,37 +1740,35 @@ - dev_put(bdev); - } - -- if (!ap || sdata->type != IEEE80211_IF_TYPE_AP || -- !ap->beacon_head) { -+ beacon = rcu_dereference(ap->beacon); -+ -+ if (!ap || sdata->type != IEEE80211_IF_TYPE_AP || !beacon) { - #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - if (net_ratelimit()) - printk(KERN_DEBUG "no beacon data avail for idx=%d " - "(%s)\n", if_id, bdev ? bdev->name : "N/A"); - #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ -- return NULL; -+ skb = NULL; -+ goto out; - } - -- /* Assume we are generating the normal beacon locally */ -- b_head = ap->beacon_head; -- b_tail = ap->beacon_tail; -- bh_len = ap->beacon_head_len; -- bt_len = ap->beacon_tail_len; -- -- skb = dev_alloc_skb(local->tx_headroom + -- bh_len + bt_len + 256 /* maximum TIM len */); -+ /* headroom, head length, tail length and maximum TIM length */ -+ skb = dev_alloc_skb(local->tx_headroom + beacon->head_len + -+ beacon->tail_len + 256); - if (!skb) -- return NULL; -+ goto out; - - skb_reserve(skb, local->tx_headroom); -- memcpy(skb_put(skb, bh_len), b_head, bh_len); -+ memcpy(skb_put(skb, beacon->head_len), beacon->head, -+ beacon->head_len); - - ieee80211_include_sequence(sdata, (struct ieee80211_hdr *)skb->data); - -- ieee80211_beacon_add_tim(local, ap, skb); -+ ieee80211_beacon_add_tim(local, ap, skb, beacon); - -- if (b_tail) { -- memcpy(skb_put(skb, bt_len), b_tail, bt_len); -- } -+ if (beacon->tail) -+ memcpy(skb_put(skb, beacon->tail_len), beacon->tail, -+ beacon->tail_len); - - if (control) { - memset(&extra, 0, sizeof(extra)); -@@ -1781,7 +1781,8 @@ - "found\n", wiphy_name(local->hw.wiphy)); - } - dev_kfree_skb(skb); -- return NULL; -+ skb = NULL; -+ goto out; - } - - control->tx_rate = -@@ -1796,6 +1797,9 @@ - } - - ap->num_beacons++; -+ -+ out: -+ rcu_read_unlock(); - return skb; - } - EXPORT_SYMBOL(ieee80211_beacon_get); -@@ -1844,6 +1848,7 @@ - struct net_device *bdev; - struct ieee80211_sub_if_data *sdata; - struct ieee80211_if_ap *bss = NULL; -+ struct beacon_data *beacon; - - bdev = dev_get_by_index(if_id); - if (bdev) { -@@ -1851,9 +1856,19 @@ - bss = &sdata->u.ap; - dev_put(bdev); - } -- if (!bss || sdata->type != IEEE80211_IF_TYPE_AP || !bss->beacon_head) -+ -+ if (!bss) - return NULL; - -+ rcu_read_lock(); -+ beacon = rcu_dereference(bss->beacon); -+ -+ if (sdata->type != IEEE80211_IF_TYPE_AP || !beacon || !beacon->head) { -+ rcu_read_unlock(); -+ return NULL; -+ } -+ rcu_read_unlock(); -+ - if (bss->dtim_count != 0) - return NULL; /* send buffered bc/mc only after DTIM beacon */ - memset(control, 0, sizeof(*control)); diff --git a/package/mac80211/patches/022-nl80211-sta.patch b/package/mac80211/patches/022-nl80211-sta.patch deleted file mode 100644 index 4d08721..0000000 --- a/package/mac80211/patches/022-nl80211-sta.patch +++ /dev/null @@ -1,464 +0,0 @@ -Subject: cfg80211/nl80211: station handling - -This patch adds station handling to cfg80211/nl80211. - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - include/linux/nl80211.h | 68 +++++++++++++ - include/net/cfg80211.h | 54 ++++++++++ - net/wireless/nl80211.c | 236 ++++++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 358 insertions(+) - ---- everything.orig/include/linux/nl80211.h 2007-11-08 16:56:32.431522732 +0100 -+++ everything/include/linux/nl80211.h 2007-11-08 17:15:15.961529840 +0100 -@@ -7,6 +7,18 @@ - */ - - /** -+ * DOC: Station handling -+ * -+ * Stations are added per interface, but a special case exists with VLAN -+ * interfaces. When a station is bound to an AP interface, it may be moved -+ * into a VLAN identified by a VLAN interface index (%NL80211_ATTR_STA_VLAN). -+ * The station is still assumed to belong to the AP interface it was added -+ * to. -+ * -+ * TODO: need more info? -+ */ -+ -+/** - * enum nl80211_commands - supported nl80211 commands - * - * @NL80211_CMD_UNSPEC: unspecified command to catch errors -@@ -56,6 +68,16 @@ - * parameters are like for %NL80211_CMD_SET_BEACON. - * @NL80211_CMD_DEL_BEACON: remove the beacon, stop sending it - * -+ * @NL80211_CMD_GET_STATION: Get station attributes for station identified by -+ * %NL80211_ATTR_MAC on the interface identified by %NL80211_ATTR_IFINDEX. -+ * @NL80211_CMD_SET_STATION: Set station attributes for station identified by -+ * %NL80211_ATTR_MAC on the interface identified by %NL80211_ATTR_IFINDEX. -+ * @NL80211_CMD_NEW_STATION: Add a station with given attributes to the -+ * the interface identified by %NL80211_ATTR_IFINDEX. -+ * @NL80211_CMD_DEL_STATION: Remove a station identified by %NL80211_ATTR_MAC -+ * or, if no MAC address given, all stations, on the interface identified -+ * by %NL80211_ATTR_IFINDEX. -+ * - * @NL80211_CMD_MAX: highest used command number - * @__NL80211_CMD_AFTER_LAST: internal use - */ -@@ -83,6 +105,11 @@ enum nl80211_commands { - NL80211_CMD_NEW_BEACON, - NL80211_CMD_DEL_BEACON, - -+ NL80211_CMD_GET_STATION, -+ NL80211_CMD_SET_STATION, -+ NL80211_CMD_NEW_STATION, -+ NL80211_CMD_DEL_STATION, -+ - /* add commands here */ - - /* used to define NL80211_CMD_MAX below */ -@@ -120,6 +147,17 @@ enum nl80211_commands { - * @NL80211_ATTR_BEACON_HEAD: portion of the beacon before the TIM IE - * @NL80211_ATTR_BEACON_TAIL: portion of the beacon after the TIM IE - * -+ * @NL80211_ATTR_STA_AID: Association ID for the station (u16) -+ * @NL80211_ATTR_STA_FLAGS: flags, nested element with NLA_FLAG attributes of -+ * &enum nl80211_sta_flags. -+ * @NL80211_ATTR_STA_LISTEN_INTERVAL: listen interval as defined by -+ * IEEE 802.11 7.3.1.6 (u16). -+ * @NL80211_ATTR_STA_SUPPORTED_RATES: supported rates, array of supported -+ * rates as defined by IEEE 802.11 7.3.2.2 but without the length -+ * restriction (at most %NL80211_MAX_SUPP_RATES). -+ * @NL80211_ATTR_STA_VLAN: interface index of VLAN interface to move station -+ * to, or the AP interface the station was originally added to to. -+ * - * @NL80211_ATTR_MAX: highest attribute number currently defined - * @__NL80211_ATTR_AFTER_LAST: internal use - */ -@@ -147,12 +185,20 @@ enum nl80211_attrs { - NL80211_ATTR_BEACON_HEAD, - NL80211_ATTR_BEACON_TAIL, - -+ NL80211_ATTR_STA_AID, -+ NL80211_ATTR_STA_FLAGS, -+ NL80211_ATTR_STA_LISTEN_INTERVAL, -+ NL80211_ATTR_STA_SUPPORTED_RATES, -+ NL80211_ATTR_STA_VLAN, -+ - /* add attributes here, update the policy in nl80211.c */ - - __NL80211_ATTR_AFTER_LAST, - NL80211_ATTR_MAX = __NL80211_ATTR_AFTER_LAST - 1 - }; - -+#define NL80211_MAX_SUPP_RATES 32 -+ - /** - * enum nl80211_iftype - (virtual) interface types - * -@@ -184,4 +230,26 @@ enum nl80211_iftype { - NL80211_IFTYPE_MAX = __NL80211_IFTYPE_AFTER_LAST - 1 - }; - -+/** -+ * enum nl80211_sta_flags - station flags -+ * -+ * Station flags. When a station is added to an AP interface, it is -+ * assumed to be already associated (and hence authenticated.) -+ * -+ * @NL80211_STA_FLAG_AUTHORIZED: station is authorized (802.1X) -+ * @NL80211_STA_FLAG_SHORT_PREAMBLE: station is capable of receiving frames -+ * with short barker preamble -+ * @NL80211_STA_FLAG_WME: station is WME/QoS capable -+ */ -+enum nl80211_sta_flags { -+ __NL80211_STA_FLAG_INVALID, -+ NL80211_STA_FLAG_AUTHORIZED, -+ NL80211_STA_FLAG_SHORT_PREAMBLE, -+ NL80211_STA_FLAG_WME, -+ -+ /* keep last */ -+ __NL80211_STA_FLAG_AFTER_LAST, -+ NL80211_STA_FLAG_MAX = __NL80211_STA_FLAG_AFTER_LAST - 1 -+}; -+ - #endif /* __LINUX_NL80211_H */ ---- everything.orig/include/net/cfg80211.h 2007-11-08 16:50:38.421522842 +0100 -+++ everything/include/net/cfg80211.h 2007-11-08 17:15:15.971532444 +0100 -@@ -89,6 +89,47 @@ struct beacon_parameters { - int head_len, tail_len; - }; - -+/** -+ * enum station_flags - station flags -+ * -+ * Station capability flags. Note that these must be the bits -+ * according to the nl80211 flags. -+ * -+ * @STATION_FLAG_CHANGED: station flags were changed -+ * @STATION_FLAG_AUTHORIZED: station is authorized to send frames (802.1X) -+ * @STATION_FLAG_SHORT_PREAMBLE: station is capable of receiving frames -+ * with short preambles -+ * @STATION_FLAG_WME: station is WME/QoS capable -+ */ -+enum station_flags { -+ STATION_FLAG_CHANGED = 1<<0, -+ STATION_FLAG_AUTHORIZED = 1<<NL80211_STA_FLAG_AUTHORIZED, -+ STATION_FLAG_SHORT_PREAMBLE = 1<<NL80211_STA_FLAG_SHORT_PREAMBLE, -+ STATION_FLAG_WME = 1<<NL80211_STA_FLAG_WME, -+}; -+ -+/** -+ * struct station_parameters - station parameters -+ * -+ * Used to change and create a new station. -+ * -+ * @vlan: vlan interface station should belong to -+ * @supported_rates: supported rates in IEEE 802.11 format -+ * (or NULL for no change) -+ * @supported_rates_len: number of supported rates -+ * @station_flags: station flags (see &enum station_flags) -+ * @listen_interval: listen interval or -1 for no change -+ * @aid: AID or zero for no change -+ */ -+struct station_parameters { -+ u8 *supported_rates; -+ struct net_device *vlan; -+ u32 station_flags; -+ int listen_interval; -+ u16 aid; -+ u8 supported_rates_len; -+}; -+ - /* from net/wireless.h */ - struct wiphy; - -@@ -130,6 +171,12 @@ struct wiphy; - * interface. This should reject the call when no beacon has been - * configured. - * @del_beacon: Remove beacon configuration and stop sending the beacon. -+ * -+ * @add_station: Add a new station. -+ * -+ * @del_station: Remove a station; @mac may be NULL to remove all stations. -+ * -+ * @change_station: Modify a given station. - */ - struct cfg80211_ops { - int (*add_virtual_intf)(struct wiphy *wiphy, char *name, -@@ -155,6 +202,13 @@ struct cfg80211_ops { - int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev, - struct beacon_parameters *info); - int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev); -+ -+ int (*add_station)(struct wiphy *wiphy, struct net_device *dev, -+ u8 *mac, struct station_parameters *params); -+ int (*del_station)(struct wiphy *wiphy, struct net_device *dev, -+ u8 *mac); -+ int (*change_station)(struct wiphy *wiphy, struct net_device *dev, -+ u8 *mac, struct station_parameters *params); - }; - - #endif /* __NET_CFG80211_H */ ---- everything.orig/net/wireless/nl80211.c 2007-11-08 16:58:36.711524524 +0100 -+++ everything/net/wireless/nl80211.c 2007-11-08 17:15:15.981533909 +0100 -@@ -76,6 +76,12 @@ static struct nla_policy nl80211_policy[ - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, -+ [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, -+ [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, -+ [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, -+ [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, -+ .len = NL80211_MAX_SUPP_RATES }, -+ [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, - }; - - /* message building helper */ -@@ -715,6 +721,211 @@ static int nl80211_del_beacon(struct sk_ - return err; - } - -+static -+struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] __read_mostly = { -+ [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, -+ [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, -+ [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, -+}; -+ -+static int parse_station_flags(struct nlattr *nla, u32 *staflags) -+{ -+ struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; -+ int flag; -+ -+ *staflags = 0; -+ -+ if (!nla) -+ return 0; -+ -+ if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, -+ nla, sta_flags_policy)) -+ return -EINVAL; -+ -+ *staflags = STATION_FLAG_CHANGED; -+ -+ for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) -+ if (flags[flag]) -+ *staflags |= (1<<flag); -+ -+ return 0; -+} -+ -+static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) -+{ -+ return -EOPNOTSUPP; -+} -+ -+/* -+ * Get vlan interface making sure it is on the right wiphy. -+ */ -+static int get_vlan(struct nlattr *vlanattr, -+ struct cfg80211_registered_device *rdev, -+ struct net_device **vlan) -+{ -+ *vlan = NULL; -+ -+ if (vlanattr) { -+ *vlan = dev_get_by_index(nla_get_u32(vlanattr)); -+ if (!*vlan) -+ return -ENODEV; -+ if (!(*vlan)->ieee80211_ptr) -+ return -EINVAL; -+ if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) -+ return -EINVAL; -+ } -+ return 0; -+} -+ -+static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) -+{ -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ struct station_parameters params; -+ u8 *mac_addr = NULL; -+ -+ memset(¶ms, 0, sizeof(params)); -+ -+ params.listen_interval = -1; -+ -+ if (info->attrs[NL80211_ATTR_STA_AID]) -+ return -EINVAL; -+ -+ if (!info->attrs[NL80211_ATTR_MAC]) -+ return -EINVAL; -+ -+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); -+ -+ if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { -+ params.supported_rates = -+ nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); -+ params.supported_rates_len = -+ nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); -+ } -+ -+ if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) -+ params.listen_interval = -+ nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); -+ -+ if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], -+ ¶ms.station_flags)) -+ return -EINVAL; -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); -+ if (err) -+ goto out; -+ -+ if (!drv->ops->change_station) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ rtnl_lock(); -+ err = drv->ops->change_station(&drv->wiphy, dev, mac_addr, ¶ms); -+ rtnl_unlock(); -+ -+ out: -+ if (params.vlan) -+ dev_put(params.vlan); -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; -+} -+ -+static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) -+{ -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ struct station_parameters params; -+ u8 *mac_addr = NULL; -+ -+ memset(¶ms, 0, sizeof(params)); -+ -+ if (!info->attrs[NL80211_ATTR_MAC]) -+ return -EINVAL; -+ -+ if (!info->attrs[NL80211_ATTR_STA_AID]) -+ return -EINVAL; -+ -+ if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) -+ return -EINVAL; -+ -+ if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) -+ return -EINVAL; -+ -+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); -+ params.supported_rates = -+ nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); -+ params.supported_rates_len = -+ nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); -+ params.listen_interval = -+ nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); -+ params.listen_interval = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); -+ -+ if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], -+ ¶ms.station_flags)) -+ return -EINVAL; -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); -+ if (err) -+ goto out; -+ -+ if (!drv->ops->add_station) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ rtnl_lock(); -+ err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, ¶ms); -+ rtnl_unlock(); -+ -+ out: -+ if (params.vlan) -+ dev_put(params.vlan); -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; -+} -+ -+static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) -+{ -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ u8 *mac_addr = NULL; -+ -+ if (info->attrs[NL80211_ATTR_MAC]) -+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ if (!drv->ops->del_station) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ rtnl_lock(); -+ err = drv->ops->del_station(&drv->wiphy, dev, mac_addr); -+ rtnl_unlock(); -+ -+ out: -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; -+} -+ - static struct genl_ops nl80211_ops[] = { - { - .cmd = NL80211_CMD_GET_WIPHY, -@@ -796,6 +1007,31 @@ static struct genl_ops nl80211_ops[] = { - .flags = GENL_ADMIN_PERM, - .doit = nl80211_del_beacon, - }, -+ { -+ .cmd = NL80211_CMD_GET_STATION, -+ .doit = nl80211_get_station, -+ /* TODO: implement dumpit */ -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ }, -+ { -+ .cmd = NL80211_CMD_SET_STATION, -+ .doit = nl80211_set_station, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ }, -+ { -+ .cmd = NL80211_CMD_NEW_STATION, -+ .doit = nl80211_new_station, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ }, -+ { -+ .cmd = NL80211_CMD_DEL_STATION, -+ .doit = nl80211_del_station, -+ .policy = nl80211_policy, -+ .flags = GENL_ADMIN_PERM, -+ }, - }; - - /* multicast groups */ diff --git a/package/mac80211/patches/023-mac80211-implement-sta.patch b/package/mac80211/patches/023-mac80211-implement-sta.patch deleted file mode 100644 index 0950676..0000000 --- a/package/mac80211/patches/023-mac80211-implement-sta.patch +++ /dev/null @@ -1,224 +0,0 @@ -Subject: mac80211: implement cfg80211's station handling - -This implements station handling from userspace via cfg80211 -in mac80211. - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - net/mac80211/cfg.c | 192 +++++++++++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 192 insertions(+) - ---- everything.orig/net/mac80211/cfg.c 2007-11-08 17:11:52.351521702 +0100 -+++ everything/net/mac80211/cfg.c 2007-11-08 17:15:51.801523493 +0100 -@@ -14,6 +14,7 @@ - #include <net/cfg80211.h> - #include "ieee80211_i.h" - #include "cfg.h" -+#include "ieee80211_rate.h" - - static enum ieee80211_if_types - nl80211_type_to_mac80211_type(enum nl80211_iftype type) -@@ -428,6 +429,194 @@ static int ieee80211_del_beacon(struct w - return ieee80211_if_config_beacon(dev); - } - -+/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ -+struct iapp_layer2_update { -+ u8 da[ETH_ALEN]; /* broadcast */ -+ u8 sa[ETH_ALEN]; /* STA addr */ -+ __be16 len; /* 6 */ -+ u8 dsap; /* 0 */ -+ u8 ssap; /* 0 */ -+ u8 control; -+ u8 xid_info[3]; -+} __attribute__ ((packed)); -+ -+static void ieee80211_send_layer2_update(struct sta_info *sta) -+{ -+ struct iapp_layer2_update *msg; -+ struct sk_buff *skb; -+ -+ /* Send Level 2 Update Frame to update forwarding tables in layer 2 -+ * bridge devices */ -+ -+ skb = dev_alloc_skb(sizeof(*msg)); -+ if (!skb) -+ return; -+ msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); -+ -+ /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) -+ * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ -+ -+ memset(msg->da, 0xff, ETH_ALEN); -+ memcpy(msg->sa, sta->addr, ETH_ALEN); -+ msg->len = htons(6); -+ msg->dsap = 0; -+ msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ -+ msg->control = 0xaf; /* XID response lsb.1111F101. -+ * F=0 (no poll command; unsolicited frame) */ -+ msg->xid_info[0] = 0x81; /* XID format identifier */ -+ msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ -+ msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ -+ -+ skb->dev = sta->dev; -+ skb->protocol = eth_type_trans(skb, sta->dev); -+ memset(skb->cb, 0, sizeof(skb->cb)); -+ netif_rx(skb); -+} -+ -+static void sta_apply_parameters(struct ieee80211_local *local, -+ struct sta_info *sta, -+ struct station_parameters *params) -+{ -+ u32 rates; -+ int i, j; -+ struct ieee80211_hw_mode *mode; -+ -+ if (params->station_flags & STATION_FLAG_CHANGED) { -+ sta->flags &= ~WLAN_STA_AUTHORIZED; -+ if (params->station_flags & STATION_FLAG_AUTHORIZED) -+ sta->flags |= WLAN_STA_AUTHORIZED; -+ -+ sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; -+ if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE) -+ sta->flags |= WLAN_STA_SHORT_PREAMBLE; -+ -+ sta->flags &= ~WLAN_STA_WME; -+ if (params->station_flags & STATION_FLAG_WME) -+ sta->flags |= WLAN_STA_WME; -+ } -+ -+ if (params->aid) { -+ sta->aid = params->aid; -+ if (sta->aid > IEEE80211_MAX_AID) -+ sta->aid = 0; /* XXX: should this be an error? */ -+ } -+ -+ if (params->listen_interval >= 0) -+ sta->listen_interval = params->listen_interval; -+ -+ if (params->supported_rates) { -+ rates = 0; -+ mode = local->oper_hw_mode; -+ for (i = 0; i < params->supported_rates_len; i++) { -+ int rate = (params->supported_rates[i] & 0x7f) * 5; -+ for (j = 0; j < mode->num_rates; j++) { -+ if (mode->rates[j].rate == rate) -+ rates |= BIT(j); -+ } -+ } -+ sta->supp_rates = rates; -+ } -+} -+ -+static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, -+ u8 *mac, struct station_parameters *params) -+{ -+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); -+ struct sta_info *sta; -+ struct ieee80211_sub_if_data *sdata; -+ -+ /* Prevent a race with changing the rate control algorithm */ -+ if (!netif_running(dev)) -+ return -ENETDOWN; -+ -+ /* XXX: get sta belonging to dev */ -+ sta = sta_info_get(local, mac); -+ if (sta) { -+ sta_info_put(sta); -+ return -EEXIST; -+ } -+ -+ if (params->vlan) { -+ sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); -+ -+ if (sdata->type != IEEE80211_IF_TYPE_VLAN || -+ sdata->type != IEEE80211_IF_TYPE_AP) -+ return -EINVAL; -+ } else -+ sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ -+ sta = sta_info_add(local, dev, mac, GFP_KERNEL); -+ if (!sta) -+ return -ENOMEM; -+ -+ sta->dev = sdata->dev; -+ if (sdata->type == IEEE80211_IF_TYPE_VLAN || -+ sdata->type == IEEE80211_IF_TYPE_AP) -+ ieee80211_send_layer2_update(sta); -+ -+ sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; -+ -+ sta_apply_parameters(local, sta, params); -+ -+ rate_control_rate_init(sta, local); -+ -+ sta_info_put(sta); -+ -+ return 0; -+} -+ -+static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, -+ u8 *mac) -+{ -+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); -+ struct sta_info *sta; -+ -+ if (mac) { -+ /* XXX: get sta belonging to dev */ -+ sta = sta_info_get(local, mac); -+ if (!sta) -+ return -ENOENT; -+ -+ sta_info_free(sta); -+ sta_info_put(sta); -+ } else -+ sta_info_flush(local, dev); -+ -+ return 0; -+} -+ -+static int ieee80211_change_station(struct wiphy *wiphy, -+ struct net_device *dev, -+ u8 *mac, -+ struct station_parameters *params) -+{ -+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); -+ struct sta_info *sta; -+ struct ieee80211_sub_if_data *vlansdata; -+ -+ /* XXX: get sta belonging to dev */ -+ sta = sta_info_get(local, mac); -+ if (!sta) -+ return -ENOENT; -+ -+ if (params->vlan && params->vlan != sta->dev) { -+ vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); -+ -+ if (vlansdata->type != IEEE80211_IF_TYPE_VLAN || -+ vlansdata->type != IEEE80211_IF_TYPE_AP) -+ return -EINVAL; -+ -+ sta->dev = params->vlan; -+ ieee80211_send_layer2_update(sta); -+ } -+ -+ sta_apply_parameters(local, sta, params); -+ -+ sta_info_put(sta); -+ -+ return 0; -+} -+ - struct cfg80211_ops mac80211_config_ops = { - .add_virtual_intf = ieee80211_add_iface, - .del_virtual_intf = ieee80211_del_iface, -@@ -439,4 +628,7 @@ struct cfg80211_ops mac80211_config_ops - .add_beacon = ieee80211_add_beacon, - .set_beacon = ieee80211_set_beacon, - .del_beacon = ieee80211_del_beacon, -+ .add_station = ieee80211_add_station, -+ .del_station = ieee80211_del_station, -+ .change_station = ieee80211_change_station, - }; diff --git a/package/mac80211/patches/024-nl80211-get-sta.patch b/package/mac80211/patches/024-nl80211-get-sta.patch deleted file mode 100644 index 198ad18..0000000 --- a/package/mac80211/patches/024-nl80211-get-sta.patch +++ /dev/null @@ -1,208 +0,0 @@ -Subject: cfg80211/nl80211: implement station attribute retrieval - -After a station is added to the kernel's structures, userspace -has to be able to retrieve statistics about that station, especially -whether the station was idle and how much bytes were transferred -to and from it. This adds the necessary code to nl80211. - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - include/linux/nl80211.h | 28 ++++++++++++++++ - include/net/cfg80211.h | 35 ++++++++++++++++++++ - net/wireless/nl80211.c | 82 +++++++++++++++++++++++++++++++++++++++++++++++- - 3 files changed, 144 insertions(+), 1 deletion(-) - ---- everything.orig/include/linux/nl80211.h 2007-11-08 17:15:15.961529840 +0100 -+++ everything/include/linux/nl80211.h 2007-11-08 17:17:00.891547364 +0100 -@@ -157,6 +157,9 @@ enum nl80211_commands { - * restriction (at most %NL80211_MAX_SUPP_RATES). - * @NL80211_ATTR_STA_VLAN: interface index of VLAN interface to move station - * to, or the AP interface the station was originally added to to. -+ * @NL80211_ATTR_STA_STATS: statistics for a station, part of station info -+ * given for %NL80211_CMD_GET_STATION, nested attribute containing -+ * info as possible, see &enum nl80211_sta_stats. - * - * @NL80211_ATTR_MAX: highest attribute number currently defined - * @__NL80211_ATTR_AFTER_LAST: internal use -@@ -190,6 +193,7 @@ enum nl80211_attrs { - NL80211_ATTR_STA_LISTEN_INTERVAL, - NL80211_ATTR_STA_SUPPORTED_RATES, - NL80211_ATTR_STA_VLAN, -+ NL80211_ATTR_STA_STATS, - - /* add attributes here, update the policy in nl80211.c */ - -@@ -252,4 +256,28 @@ enum nl80211_sta_flags { - NL80211_STA_FLAG_MAX = __NL80211_STA_FLAG_AFTER_LAST - 1 - }; - -+/** -+ * enum nl80211_sta_stats - station statistics -+ * -+ * These attribute types are used with %NL80211_ATTR_STA_STATS -+ * when getting information about a station. -+ * -+ * @__NL80211_STA_STAT_INVALID: attribute number 0 is reserved -+ * @NL80211_STA_STAT_INACTIVE_TIME: time since last activity (u32, msecs) -+ * @NL80211_STA_STAT_RX_BYTES: total received bytes (u32, from this station) -+ * @NL80211_STA_STAT_TX_BYTES: total transmitted bytes (u32, to this station) -+ * @__NL80211_STA_STAT_AFTER_LAST: internal -+ * @NL80211_STA_STAT_MAX: highest possible station stats attribute -+ */ -+enum nl80211_sta_stats { -+ __NL80211_STA_STAT_INVALID, -+ NL80211_STA_STAT_INACTIVE_TIME, -+ NL80211_STA_STAT_RX_BYTES, -+ NL80211_STA_STAT_TX_BYTES, -+ -+ /* keep last */ -+ __NL80211_STA_STAT_AFTER_LAST, -+ NL80211_STA_STAT_MAX = __NL80211_STA_STAT_AFTER_LAST - 1 -+}; -+ - #endif /* __LINUX_NL80211_H */ ---- everything.orig/include/net/cfg80211.h 2007-11-08 17:15:15.971532444 +0100 -+++ everything/include/net/cfg80211.h 2007-11-08 17:17:00.891547364 +0100 -@@ -130,6 +130,39 @@ struct station_parameters { - u8 supported_rates_len; - }; - -+/** -+ * enum station_stats_flags - station statistics flags -+ * -+ * Used by the driver to indicate which info in &struct station_stats -+ * it has filled in during get_station(). -+ * -+ * @STATION_STAT_INACTIVE_TIME: @inactive_time filled -+ * @STATION_STAT_RX_BYTES: @rx_bytes filled -+ * @STATION_STAT_TX_BYTES: @tx_bytes filled -+ */ -+enum station_stats_flags { -+ STATION_STAT_INACTIVE_TIME = 1<<0, -+ STATION_STAT_RX_BYTES = 1<<1, -+ STATION_STAT_TX_BYTES = 1<<2, -+}; -+ -+/** -+ * struct station_stats - station statistics -+ * -+ * Station information filled by driver for get_station(). -+ * -+ * @filled: bitflag of flags from &enum station_stats_flags -+ * @inactive_time: time since last station activity (tx/rx) in milliseconds -+ * @rx_bytes: bytes received from this station -+ * @tx_bytes: bytes transmitted to this station -+ */ -+struct station_stats { -+ u32 filled; -+ u32 inactive_time; -+ u32 rx_bytes; -+ u32 tx_bytes; -+}; -+ - /* from net/wireless.h */ - struct wiphy; - -@@ -209,6 +242,8 @@ struct cfg80211_ops { - u8 *mac); - int (*change_station)(struct wiphy *wiphy, struct net_device *dev, - u8 *mac, struct station_parameters *params); -+ int (*get_station)(struct wiphy *wiphy, struct net_device *dev, -+ u8 *mac, struct station_stats *stats); - }; - - #endif /* __NET_CFG80211_H */ ---- everything.orig/net/wireless/nl80211.c 2007-11-08 17:15:15.981533909 +0100 -+++ everything/net/wireless/nl80211.c 2007-11-08 17:17:00.901534235 +0100 -@@ -751,9 +751,89 @@ static int parse_station_flags(struct nl - return 0; - } - -+static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, -+ int flags, struct net_device *dev, -+ u8 *mac_addr, struct station_stats *stats) -+{ -+ void *hdr; -+ struct nlattr *statsattr; -+ -+ hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); -+ if (!hdr) -+ return -1; -+ -+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); -+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); -+ -+ statsattr = nla_nest_start(msg, NL80211_ATTR_STA_STATS); -+ if (!statsattr) -+ goto nla_put_failure; -+ if (stats->filled & STATION_STAT_INACTIVE_TIME) -+ NLA_PUT_U32(msg, NL80211_STA_STAT_INACTIVE_TIME, -+ stats->inactive_time); -+ if (stats->filled & STATION_STAT_RX_BYTES) -+ NLA_PUT_U32(msg, NL80211_STA_STAT_RX_BYTES, -+ stats->rx_bytes); -+ if (stats->filled & STATION_STAT_TX_BYTES) -+ NLA_PUT_U32(msg, NL80211_STA_STAT_TX_BYTES, -+ stats->tx_bytes); -+ -+ nla_nest_end(msg, statsattr); -+ -+ return genlmsg_end(msg, hdr); -+ -+ nla_put_failure: -+ return genlmsg_cancel(msg, hdr); -+} -+ -+ - static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) - { -- return -EOPNOTSUPP; -+ struct cfg80211_registered_device *drv; -+ int err; -+ struct net_device *dev; -+ struct station_stats stats; -+ struct sk_buff *msg; -+ u8 *mac_addr = NULL; -+ -+ memset(&stats, 0, sizeof(stats)); -+ -+ if (!info->attrs[NL80211_ATTR_MAC]) -+ return -EINVAL; -+ -+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); -+ -+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev); -+ if (err) -+ return err; -+ -+ if (!drv->ops->get_station) { -+ err = -EOPNOTSUPP; -+ goto out; -+ } -+ -+ rtnl_lock(); -+ err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &stats); -+ rtnl_unlock(); -+ -+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); -+ if (!msg) -+ goto out; -+ -+ if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, -+ dev, mac_addr, &stats) < 0) -+ goto out_free; -+ -+ err = genlmsg_unicast(msg, info->snd_pid); -+ goto out; -+ -+ out_free: -+ nlmsg_free(msg); -+ -+ out: -+ cfg80211_put_dev(drv); -+ dev_put(dev); -+ return err; - } - - /* diff --git a/package/mac80211/patches/025-mac80211-get-sta.patch b/package/mac80211/patches/025-mac80211-get-sta.patch deleted file mode 100644 index 868ca86..0000000 --- a/package/mac80211/patches/025-mac80211-get-sta.patch +++ /dev/null @@ -1,51 +0,0 @@ -Subject: mac80211: implement station stats retrieval - -This implements the required cfg80211 callback in mac80211 -to allow userspace to get station statistics. - -Signed-off-by: Johannes Berg <johannes@sipsolutions.net> - ---- - net/mac80211/cfg.c | 26 ++++++++++++++++++++++++++ - 1 file changed, 26 insertions(+) - ---- everything.orig/net/mac80211/cfg.c 2007-11-08 17:15:51.801523493 +0100 -+++ everything/net/mac80211/cfg.c 2007-11-08 17:17:01.921529351 +0100 -@@ -617,6 +617,31 @@ static int ieee80211_change_station(stru - return 0; - } - -+static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, -+ u8 *mac, struct station_stats *stats) -+{ -+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); -+ struct sta_info *sta; -+ -+ sta = sta_info_get(local, mac); -+ if (!sta) -+ return -ENOENT; -+ -+ /* XXX: verify sta->dev == dev */ -+ -+ stats->filled = STATION_STAT_INACTIVE_TIME | -+ STATION_STAT_RX_BYTES | -+ STATION_STAT_TX_BYTES; -+ -+ stats->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); -+ stats->rx_bytes = sta->rx_bytes; -+ stats->tx_bytes = sta->tx_bytes; -+ -+ sta_info_put(sta); -+ -+ return 0; -+} -+ - struct cfg80211_ops mac80211_config_ops = { - .add_virtual_intf = ieee80211_add_iface, - .del_virtual_intf = ieee80211_del_iface, -@@ -631,4 +656,5 @@ struct cfg80211_ops mac80211_config_ops - .add_station = ieee80211_add_station, - .del_station = ieee80211_del_station, - .change_station = ieee80211_change_station, -+ .get_station = ieee80211_get_station, - }; diff --git a/package/mac80211/src/include/linux/ieee80211.h b/package/mac80211/src/include/linux/ieee80211.h index 30621c2..f577c8f 100644 --- a/package/mac80211/src/include/linux/ieee80211.h +++ b/package/mac80211/src/include/linux/ieee80211.h @@ -54,6 +54,8 @@ #define IEEE80211_STYPE_ACTION 0x00D0 /* control */ +#define IEEE80211_STYPE_BACK_REQ 0x0080 +#define IEEE80211_STYPE_BACK 0x0090 #define IEEE80211_STYPE_PSPOLL 0x00A0 #define IEEE80211_STYPE_RTS 0x00B0 #define IEEE80211_STYPE_CTS 0x00C0 @@ -81,18 +83,18 @@ /* miscellaneous IEEE 802.11 constants */ -#define IEEE80211_MAX_FRAG_THRESHOLD 2346 -#define IEEE80211_MAX_RTS_THRESHOLD 2347 +#define IEEE80211_MAX_FRAG_THRESHOLD 2352 +#define IEEE80211_MAX_RTS_THRESHOLD 2353 #define IEEE80211_MAX_AID 2007 #define IEEE80211_MAX_TIM_LEN 251 -#define IEEE80211_MAX_DATA_LEN 2304 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 6.2.1.1.2. - The figure in section 7.1.2 suggests a body size of up to 2312 - bytes is allowed, which is a bit confusing, I suspect this - represents the 2304 bytes of real data, plus a possible 8 bytes of - WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ + 802.11e clarifies the figure in section 7.1.2. The frame body is + up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ +#define IEEE80211_MAX_DATA_LEN 2304 +/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ +#define IEEE80211_MAX_FRAME_LEN 2352 #define IEEE80211_MAX_SSID_LEN 32 @@ -185,6 +187,25 @@ struct ieee80211_mgmt { u8 new_chan; u8 switch_count; } __attribute__((packed)) chan_switch; + struct{ + u8 action_code; + u8 dialog_token; + __le16 capab; + __le16 timeout; + __le16 start_seq_num; + } __attribute__((packed)) addba_req; + struct{ + u8 action_code; + u8 dialog_token; + __le16 status; + __le16 capab; + __le16 timeout; + } __attribute__((packed)) addba_resp; + struct{ + u8 action_code; + __le16 params; + __le16 reason_code; + } __attribute__((packed)) delba; } u; } __attribute__ ((packed)) action; } u; @@ -205,6 +226,72 @@ struct ieee80211_cts { u8 ra[6]; } __attribute__ ((packed)); +/** + * struct ieee80211_bar - HT Block Ack Request + * + * This structure refers to "HT BlockAckReq" as + * described in 802.11n draft section 7.2.1.7.1 + */ +struct ieee80211_bar { + __le16 frame_control; + __le16 duration; + __u8 ra[6]; + __u8 ta[6]; + __le16 control; + __le16 start_seq_num; +} __attribute__((packed)); + +/** + * struct ieee80211_ht_cap - HT capabilities + * + * This structure refers to "HT capabilities element" as + * described in 802.11n draft section 7.3.2.52 + */ +struct ieee80211_ht_cap { + __le16 cap_info; + u8 ampdu_params_info; + u8 supp_mcs_set[16]; + __le16 extended_ht_cap_info; + __le32 tx_BF_cap_info; + u8 antenna_selection_info; +} __attribute__ ((packed)); + +/** + * struct ieee80211_ht_cap - HT additional information + * + * This structure refers to "HT information element" as + * described in 802.11n draft section 7.3.2.53 + */ +struct ieee80211_ht_addt_info { + u8 control_chan; + u8 ht_param; + __le16 operation_mode; + __le16 stbc_param; + u8 basic_set[16]; +} __attribute__ ((packed)); + +/* 802.11n HT capabilities masks */ +#define IEEE80211_HT_CAP_SUP_WIDTH 0x0002 +#define IEEE80211_HT_CAP_MIMO_PS 0x000C +#define IEEE80211_HT_CAP_GRN_FLD 0x0010 +#define IEEE80211_HT_CAP_SGI_20 0x0020 +#define IEEE80211_HT_CAP_SGI_40 0x0040 +#define IEEE80211_HT_CAP_DELAY_BA 0x0400 +#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 +#define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03 +#define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C +/* 802.11n HT IE masks */ +#define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03 +#define IEEE80211_HT_IE_CHA_WIDTH 0x04 +#define IEEE80211_HT_IE_HT_PROTECTION 0x0003 +#define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004 +#define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010 + +/* MIMO Power Save Modes */ +#define WLAN_HT_CAP_MIMO_PS_STATIC 0 +#define WLAN_HT_CAP_MIMO_PS_DYNAMIC 1 +#define WLAN_HT_CAP_MIMO_PS_INVALID 2 +#define WLAN_HT_CAP_MIMO_PS_DISABLED 3 /* Authentication algorithms */ #define WLAN_AUTH_OPEN 0 @@ -271,6 +358,18 @@ enum ieee80211_statuscode { WLAN_STATUS_UNSUPP_RSN_VERSION = 44, WLAN_STATUS_INVALID_RSN_IE_CAP = 45, WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, + /* 802.11e */ + WLAN_STATUS_UNSPECIFIED_QOS = 32, + WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, + WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, + WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, + WLAN_STATUS_REQUEST_DECLINED = 37, + WLAN_STATUS_INVALID_QOS_PARAM = 38, + WLAN_STATUS_CHANGE_TSPEC = 39, + WLAN_STATUS_WAIT_TS_DELAY = 47, + WLAN_STATUS_NO_DIRECT_LINK = 48, + WLAN_STATUS_STA_NOT_PRESENT = 49, + WLAN_STATUS_STA_NOT_QSTA = 50, }; @@ -301,6 +400,16 @@ enum ieee80211_reasoncode { WLAN_REASON_INVALID_RSN_IE_CAP = 22, WLAN_REASON_IEEE8021X_FAILED = 23, WLAN_REASON_CIPHER_SUITE_REJECTED = 24, + /* 802.11e */ + WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, + WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, + WLAN_REASON_DISASSOC_LOW_ACK = 34, + WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, + WLAN_REASON_QSTA_LEAVE_QBSS = 36, + WLAN_REASON_QSTA_NOT_USE = 37, + WLAN_REASON_QSTA_REQUIRE_SETUP = 38, + WLAN_REASON_QSTA_TIMEOUT = 39, + WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, }; @@ -319,6 +428,15 @@ enum ieee80211_eid { WLAN_EID_HP_PARAMS = 8, WLAN_EID_HP_TABLE = 9, WLAN_EID_REQUEST = 10, + /* 802.11e */ + WLAN_EID_QBSS_LOAD = 11, + WLAN_EID_EDCA_PARAM_SET = 12, + WLAN_EID_TSPEC = 13, + WLAN_EID_TCLAS = 14, + WLAN_EID_SCHEDULE = 15, + WLAN_EID_TS_DELAY = 43, + WLAN_EID_TCLAS_PROCESSING = 44, + WLAN_EID_QOS_CAPA = 46, /* 802.11h */ WLAN_EID_PWR_CONSTRAINT = 32, WLAN_EID_PWR_CAPABILITY = 33, @@ -333,6 +451,9 @@ enum ieee80211_eid { /* 802.11g */ WLAN_EID_ERP_INFO = 42, WLAN_EID_EXT_SUPP_RATES = 50, + /* 802.11n */ + WLAN_EID_HT_CAPABILITY = 45, + WLAN_EID_HT_EXTRA_INFO = 61, /* 802.11i */ WLAN_EID_RSN = 48, WLAN_EID_WPA = 221, @@ -341,6 +462,32 @@ enum ieee80211_eid { WLAN_EID_QOS_PARAMETER = 222 }; +/* Action category code */ +enum ieee80211_category { + WLAN_CATEGORY_SPECTRUM_MGMT = 0, + WLAN_CATEGORY_QOS = 1, + WLAN_CATEGORY_DLS = 2, + WLAN_CATEGORY_BACK = 3, + WLAN_CATEGORY_WMM = 17, +}; + +/* BACK action code */ +enum ieee80211_back_actioncode { + WLAN_ACTION_ADDBA_REQ = 0, + WLAN_ACTION_ADDBA_RESP = 1, + WLAN_ACTION_DELBA = 2, +}; + +/* BACK (block-ack) parties */ +enum ieee80211_back_parties { + WLAN_BACK_RECIPIENT = 0, + WLAN_BACK_INITIATOR = 1, + WLAN_BACK_TIMER = 2, +}; + +/* A-MSDU 802.11n */ +#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080 + /* cipher suite selectors */ #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 diff --git a/package/mac80211/src/include/linux/nl80211.h b/package/mac80211/src/include/linux/nl80211.h index a5dd030..a9f0b93 100644 --- a/package/mac80211/src/include/linux/nl80211.h +++ b/package/mac80211/src/include/linux/nl80211.h @@ -7,6 +7,18 @@ */ /** + * DOC: Station handling + * + * Stations are added per interface, but a special case exists with VLAN + * interfaces. When a station is bound to an AP interface, it may be moved + * into a VLAN identified by a VLAN interface index (%NL80211_ATTR_STA_VLAN). + * The station is still assumed to belong to the AP interface it was added + * to. + * + * TODO: need more info? + */ + +/** * enum nl80211_commands - supported nl80211 commands * * @NL80211_CMD_UNSPEC: unspecified command to catch errors @@ -25,7 +37,7 @@ * either a dump request on a %NL80211_ATTR_WIPHY or a specific get * on an %NL80211_ATTR_IFINDEX is supported. * @NL80211_CMD_SET_INTERFACE: Set type of a virtual interface, requires - %NL80211_ATTR_IFINDEX and %NL80211_ATTR_IFTYPE. + * %NL80211_ATTR_IFINDEX and %NL80211_ATTR_IFTYPE. * @NL80211_CMD_NEW_INTERFACE: Newly created virtual interface or response * to %NL80211_CMD_GET_INTERFACE. Has %NL80211_ATTR_IFINDEX, * %NL80211_ATTR_WIPHY and %NL80211_ATTR_IFTYPE attributes. Can also @@ -37,6 +49,35 @@ * userspace to request deletion of a virtual interface, then requires * attribute %NL80211_ATTR_IFINDEX. * + * @NL80211_CMD_GET_KEY: Get sequence counter information for a key specified + * by %NL80211_ATTR_KEY_IDX and/or %NL80211_ATTR_MAC. + * @NL80211_CMD_SET_KEY: Set key attributes %NL80211_ATTR_KEY_DEFAULT or + * %NL80211_ATTR_KEY_THRESHOLD. + * @NL80211_CMD_NEW_KEY: add a key with given %NL80211_ATTR_KEY_DATA, + * %NL80211_ATTR_KEY_IDX, %NL80211_ATTR_MAC and %NL80211_ATTR_KEY_CIPHER + * attributes. + * @NL80211_CMD_DEL_KEY: delete a key identified by %NL80211_ATTR_KEY_IDX + * or %NL80211_ATTR_MAC. + * + * @NL80211_CMD_GET_BEACON: retrieve beacon information (returned in a + * %NL80222_CMD_NEW_BEACON message) + * @NL80211_CMD_SET_BEACON: set the beacon on an access point interface + * using the %NL80211_ATTR_BEACON_INTERVAL, %NL80211_ATTR_DTIM_PERIOD, + * %NL80211_BEACON_HEAD and %NL80211_BEACON_TAIL attributes. + * @NL80211_CMD_NEW_BEACON: add a new beacon to an access point interface, + * parameters are like for %NL80211_CMD_SET_BEACON. + * @NL80211_CMD_DEL_BEACON: remove the beacon, stop sending it + * + * @NL80211_CMD_GET_STATION: Get station attributes for station identified by + * %NL80211_ATTR_MAC on the interface identified by %NL80211_ATTR_IFINDEX. + * @NL80211_CMD_SET_STATION: Set station attributes for station identified by + * %NL80211_ATTR_MAC on the interface identified by %NL80211_ATTR_IFINDEX. + * @NL80211_CMD_NEW_STATION: Add a station with given attributes to the + * the interface identified by %NL80211_ATTR_IFINDEX. + * @NL80211_CMD_DEL_STATION: Remove a station identified by %NL80211_ATTR_MAC + * or, if no MAC address given, all stations, on the interface identified + * by %NL80211_ATTR_IFINDEX. + * * @NL80211_CMD_MAX: highest used command number * @__NL80211_CMD_AFTER_LAST: internal use */ @@ -54,6 +95,21 @@ enum nl80211_commands { NL80211_CMD_NEW_INTERFACE, NL80211_CMD_DEL_INTERFACE, + NL80211_CMD_GET_KEY, + NL80211_CMD_SET_KEY, + NL80211_CMD_NEW_KEY, + NL80211_CMD_DEL_KEY, + + NL80211_CMD_GET_BEACON, + NL80211_CMD_SET_BEACON, + NL80211_CMD_NEW_BEACON, + NL80211_CMD_DEL_BEACON, + + NL80211_CMD_GET_STATION, + NL80211_CMD_SET_STATION, + NL80211_CMD_NEW_STATION, + NL80211_CMD_DEL_STATION, + /* add commands here */ /* used to define NL80211_CMD_MAX below */ @@ -75,6 +131,42 @@ enum nl80211_commands { * @NL80211_ATTR_IFNAME: network interface name * @NL80211_ATTR_IFTYPE: type of virtual interface, see &enum nl80211_iftype * + * @NL80211_ATTR_MAC: MAC address (various uses) + * + * @NL80211_ATTR_KEY_DATA: (temporal) key data; for TKIP this consists of + * 16 bytes encryption key followed by 8 bytes each for TX and RX MIC + * keys + * @NL80211_ATTR_KEY_IDX: key ID (u8, 0-3) + * @NL80211_ATTR_KEY_CIPHER: key cipher suite (u32, as defined by IEEE 802.11 + * section 7.3.2.25.1, e.g. 0x000FAC04) + * @NL80211_ATTR_KEY_SEQ: transmit key sequence number (IV/PN) for TKIP and + * CCMP keys, each six bytes in little endian + * + * @NL80211_ATTR_BEACON_INTERVAL: beacon interval in TU + * @NL80211_ATTR_DTIM_PERIOD: DTIM period for beaconing + * @NL80211_ATTR_BEACON_HEAD: portion of the beacon before the TIM IE + * @NL80211_ATTR_BEACON_TAIL: portion of the beacon after the TIM IE + * + * @NL80211_ATTR_STA_AID: Association ID for the station (u16) + * @NL80211_ATTR_STA_FLAGS: flags, nested element with NLA_FLAG attributes of + * &enum nl80211_sta_flags. + * @NL80211_ATTR_STA_LISTEN_INTERVAL: listen interval as defined by + * IEEE 802.11 7.3.1.6 (u16). + * @NL80211_ATTR_STA_SUPPORTED_RATES: supported rates, array of supported + * rates as defined by IEEE 802.11 7.3.2.2 but without the length + * restriction (at most %NL80211_MAX_SUPP_RATES). + * @NL80211_ATTR_STA_VLAN: interface index of VLAN interface to move station + * to, or the AP interface the station was originally added to to. + * @NL80211_ATTR_STA_STATS: statistics for a station, part of station info + * given for %NL80211_CMD_GET_STATION, nested attribute containing + * info as possible, see &enum nl80211_sta_stats. + * + * @NL80211_ATTR_WIPHY_BANDS: Information about an operating bands, + * consisting of a nested array. + * + * @NL80211_ATTR_MNTR_FLAGS: flags, nested element with NLA_FLAG attributes of + * &enum nl80211_mntr_flags. + * * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use */ @@ -89,12 +181,38 @@ enum nl80211_attrs { NL80211_ATTR_IFNAME, NL80211_ATTR_IFTYPE, + NL80211_ATTR_MAC, + + NL80211_ATTR_KEY_DATA, + NL80211_ATTR_KEY_IDX, + NL80211_ATTR_KEY_CIPHER, + NL80211_ATTR_KEY_SEQ, + NL80211_ATTR_KEY_DEFAULT, + + NL80211_ATTR_BEACON_INTERVAL, + NL80211_ATTR_DTIM_PERIOD, + NL80211_ATTR_BEACON_HEAD, + NL80211_ATTR_BEACON_TAIL, + + NL80211_ATTR_STA_AID, + NL80211_ATTR_STA_FLAGS, + NL80211_ATTR_STA_LISTEN_INTERVAL, + NL80211_ATTR_STA_SUPPORTED_RATES, + NL80211_ATTR_STA_VLAN, + NL80211_ATTR_STA_STATS, + + NL80211_ATTR_WIPHY_BANDS, + + NL80211_ATTR_MNTR_FLAGS, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, NL80211_ATTR_MAX = __NL80211_ATTR_AFTER_LAST - 1 }; +#define NL80211_MAX_SUPP_RATES 32 + /** * enum nl80211_iftype - (virtual) interface types * @@ -126,4 +244,139 @@ enum nl80211_iftype { NL80211_IFTYPE_MAX = __NL80211_IFTYPE_AFTER_LAST - 1 }; +/** + * enum nl80211_sta_flags - station flags + * + * Station flags. When a station is added to an AP interface, it is + * assumed to be already associated (and hence authenticated.) + * + * @NL80211_STA_FLAG_AUTHORIZED: station is authorized (802.1X) + * @NL80211_STA_FLAG_SHORT_PREAMBLE: station is capable of receiving frames + * with short barker preamble + * @NL80211_STA_FLAG_WME: station is WME/QoS capable + */ +enum nl80211_sta_flags { + __NL80211_STA_FLAG_INVALID, + NL80211_STA_FLAG_AUTHORIZED, + NL80211_STA_FLAG_SHORT_PREAMBLE, + NL80211_STA_FLAG_WME, + + /* keep last */ + __NL80211_STA_FLAG_AFTER_LAST, + NL80211_STA_FLAG_MAX = __NL80211_STA_FLAG_AFTER_LAST - 1 +}; + +/** + * enum nl80211_sta_stats - station statistics + * + * These attribute types are used with %NL80211_ATTR_STA_STATS + * when getting information about a station. + * + * @__NL80211_STA_STAT_INVALID: attribute number 0 is reserved + * @NL80211_STA_STAT_INACTIVE_TIME: time since last activity (u32, msecs) + * @NL80211_STA_STAT_RX_BYTES: total received bytes (u32, from this station) + * @NL80211_STA_STAT_TX_BYTES: total transmitted bytes (u32, to this station) + * @__NL80211_STA_STAT_AFTER_LAST: internal + * @NL80211_STA_STAT_MAX: highest possible station stats attribute + */ +enum nl80211_sta_stats { + __NL80211_STA_STAT_INVALID, + NL80211_STA_STAT_INACTIVE_TIME, + NL80211_STA_STAT_RX_BYTES, + NL80211_STA_STAT_TX_BYTES, + + /* keep last */ + __NL80211_STA_STAT_AFTER_LAST, + NL80211_STA_STAT_MAX = __NL80211_STA_STAT_AFTER_LAST - 1 +}; + +/** + * enum nl80211_band_attr - band attributes + * @__NL80211_BAND_ATTR_INVALID: attribute number 0 is reserved + * @NL80211_BAND_ATTR_FREQS: supported frequencies in this band, + * an array of nested frequency attributes + * @NL80211_BAND_ATTR_RATES: supported bitrates in this band, + * an array of nested bitrate attributes + */ +enum nl80211_band_attr { + __NL80211_BAND_ATTR_INVALID, + NL80211_BAND_ATTR_FREQS, + NL80211_BAND_ATTR_RATES, + + /* keep last */ + __NL80211_BAND_ATTR_AFTER_LAST, + NL80211_BAND_ATTR_MAX = __NL80211_BAND_ATTR_AFTER_LAST - 1 +}; + +/** + * enum nl80211_frequency_attr - frequency attributes + * @NL80211_FREQUENCY_ATTR_FREQ: Frequency in MHz + * @NL80211_FREQUENCY_ATTR_DISABLED: Channel is disabled in current + * regulatory domain. + * @NL80211_FREQUENCY_ATTR_PASSIVE_SCAN: Only passive scanning is + * permitted on this channel in current regulatory domain. + * @NL80211_FREQUENCY_ATTR_NO_IBSS: IBSS networks are not permitted + * on this channel in current regulatory domain. + * @NL80211_FREQUENCY_ATTR_RADAR: Radar detection is mandatory + * on this channel in current regulatory domain. + */ +enum nl80211_frequency_attr { + __NL80211_FREQUENCY_ATTR_INVALID, + NL80211_FREQUENCY_ATTR_FREQ, + NL80211_FREQUENCY_ATTR_DISABLED, + NL80211_FREQUENCY_ATTR_PASSIVE_SCAN, + NL80211_FREQUENCY_ATTR_NO_IBSS, + NL80211_FREQUENCY_ATTR_RADAR, + + /* keep last */ + __NL80211_FREQUENCY_ATTR_AFTER_LAST, + NL80211_FREQUENCY_ATTR_MAX = __NL80211_FREQUENCY_ATTR_AFTER_LAST - 1 +}; + +/** + * enum nl80211_bitrate_attr - bitrate attributes + * @NL80211_BITRATE_ATTR_RATE: Bitrate in units of 100 kbps + * @NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE: Short preamble supported + * in 2.4 GHz band. + */ +enum nl80211_bitrate_attr { + __NL80211_BITRATE_ATTR_INVALID, + NL80211_BITRATE_ATTR_RATE, + NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE, + + /* keep last */ + __NL80211_BITRATE_ATTR_AFTER_LAST, + NL80211_BITRATE_ATTR_MAX = __NL80211_BITRATE_ATTR_AFTER_LAST - 1 +}; + +/** + * enum nl80211_mntr_flags - monitor configuration flags + * + * Monitor configuration flags. + * + * @__NL80211_MNTR_FLAG_INVALID: reserved + * + * @NL80211_MNTR_FLAG_FCSFAIL: pass frames with bad FCS + * @NL80211_MNTR_FLAG_PLCPFAIL: pass frames with bad PLCP + * @NL80211_MNTR_FLAG_CONTROL: pass control frames + * @NL80211_MNTR_FLAG_OTHER_BSS: disable BSSID filtering + * @NL80211_MNTR_FLAG_COOK_FRAMES: report frames after processing. + * overrides all other flags. + * + * @__NL80211_MNTR_FLAG_AFTER_LAST: internal use + * @NL80211_MNTR_FLAG_MAX: highest possible monitor flag + */ +enum nl80211_mntr_flags { + __NL80211_MNTR_FLAG_INVALID, + NL80211_MNTR_FLAG_FCSFAIL, + NL80211_MNTR_FLAG_PLCPFAIL, + NL80211_MNTR_FLAG_CONTROL, + NL80211_MNTR_FLAG_OTHER_BSS, + NL80211_MNTR_FLAG_COOK_FRAMES, + + /* keep last */ + __NL80211_MNTR_FLAG_AFTER_LAST, + NL80211_MNTR_FLAG_MAX = __NL80211_MNTR_FLAG_AFTER_LAST - 1 +}; + #endif /* __LINUX_NL80211_H */ diff --git a/package/mac80211/src/include/net/cfg80211.h b/package/mac80211/src/include/net/cfg80211.h index d30960e..ab4caf6 100644 --- a/package/mac80211/src/include/net/cfg80211.h +++ b/package/mac80211/src/include/net/cfg80211.h @@ -49,6 +49,140 @@ extern int ieee80211_radiotap_iterator_next( struct ieee80211_radiotap_iterator *iterator); + /** + * struct key_params - key information + * + * Information about a key + * + * @key: key material + * @key_len: length of key material + * @cipher: cipher suite selector + * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used + * with the get_key() callback, must be in little endian, + * length given by @seq_len. + */ +struct key_params { + u8 *key; + u8 *seq; + int key_len; + int seq_len; + u32 cipher; +}; + +/** + * struct beacon_parameters - beacon parameters + * + * Used to configure the beacon for an interface. + * + * @head: head portion of beacon (before TIM IE) + * or %NULL if not changed + * @tail: tail portion of beacon (after TIM IE) + * or %NULL if not changed + * @interval: beacon interval or zero if not changed + * @dtim_period: DTIM period or zero if not changed + * @head_len: length of @head + * @tail_len: length of @tail + */ +struct beacon_parameters { + u8 *head, *tail; + int interval, dtim_period; + int head_len, tail_len; +}; + +/** + * enum station_flags - station flags + * + * Station capability flags. Note that these must be the bits + * according to the nl80211 flags. + * + * @STATION_FLAG_CHANGED: station flags were changed + * @STATION_FLAG_AUTHORIZED: station is authorized to send frames (802.1X) + * @STATION_FLAG_SHORT_PREAMBLE: station is capable of receiving frames + * with short preambles + * @STATION_FLAG_WME: station is WME/QoS capable + */ +enum station_flags { + STATION_FLAG_CHANGED = 1<<0, + STATION_FLAG_AUTHORIZED = 1<<NL80211_STA_FLAG_AUTHORIZED, + STATION_FLAG_SHORT_PREAMBLE = 1<<NL80211_STA_FLAG_SHORT_PREAMBLE, + STATION_FLAG_WME = 1<<NL80211_STA_FLAG_WME, +}; + +/** + * struct station_parameters - station parameters + * + * Used to change and create a new station. + * + * @vlan: vlan interface station should belong to + * @supported_rates: supported rates in IEEE 802.11 format + * (or NULL for no change) + * @supported_rates_len: number of supported rates + * @station_flags: station flags (see &enum station_flags) + * @listen_interval: listen interval or -1 for no change + * @aid: AID or zero for no change + */ +struct station_parameters { + u8 *supported_rates; + struct net_device *vlan; + u32 station_flags; + int listen_interval; + u16 aid; + u8 supported_rates_len; +}; + +/** + * enum station_stats_flags - station statistics flags + * + * Used by the driver to indicate which info in &struct station_stats + * it has filled in during get_station(). + * + * @STATION_STAT_INACTIVE_TIME: @inactive_time filled + * @STATION_STAT_RX_BYTES: @rx_bytes filled + * @STATION_STAT_TX_BYTES: @tx_bytes filled + */ +enum station_stats_flags { + STATION_STAT_INACTIVE_TIME = 1<<0, + STATION_STAT_RX_BYTES = 1<<1, + STATION_STAT_TX_BYTES = 1<<2, +}; + +/** + * struct station_stats - station statistics + * + * Station information filled by driver for get_station(). + * + * @filled: bitflag of flags from &enum station_stats_flags + * @inactive_time: time since last station activity (tx/rx) in milliseconds + * @rx_bytes: bytes received from this station + * @tx_bytes: bytes transmitted to this station + */ +struct station_stats { + u32 filled; + u32 inactive_time; + u32 rx_bytes; + u32 tx_bytes; +}; + +/** + * enum monitor_flags - monitor flags + * + * Monitor interface configuration flags. Note that these must be the bits + * according to the nl80211 flags. + * + * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS + * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP + * @MONITOR_FLAG_CONTROL: pass control frames + * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering + * @MONITOR_FLAG_COOK_FRAMES: report frames after processing + */ +enum monitor_flags { + MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL, + MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL, + MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL, + MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS, + MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES, +}; + /* from net/wireless.h */ struct wiphy; @@ -71,13 +205,66 @@ struct wiphy; * * @change_virtual_intf: change type of virtual interface * + * @add_key: add a key with the given parameters. @mac_addr will be %NULL + * when adding a group key. + * + * @get_key: get information about the key with the given parameters. + * @mac_addr will be %NULL when requesting information for a group + * key. All pointers given to the @callback function need not be valid + * after it returns. + * + * @del_key: remove a key given the @mac_addr (%NULL for a group key) + * and @key_index + * + * @set_default_key: set the default key on an interface + * + * @add_beacon: Add a beacon with given parameters, @head, @interval + * and @dtim_period will be valid, @tail is optional. + * @set_beacon: Change the beacon parameters for an access point mode + * interface. This should reject the call when no beacon has been + * configured. + * @del_beacon: Remove beacon configuration and stop sending the beacon. + * + * @add_station: Add a new station. + * + * @del_station: Remove a station; @mac may be NULL to remove all stations. + * + * @change_station: Modify a given station. */ struct cfg80211_ops { int (*add_virtual_intf)(struct wiphy *wiphy, char *name, - enum nl80211_iftype type); + enum nl80211_iftype type, u32 *flags); int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex); int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex, - enum nl80211_iftype type); + enum nl80211_iftype type, u32 *flags); + + int (*add_key)(struct wiphy *wiphy, struct net_device *netdev, + u8 key_index, u8 *mac_addr, + struct key_params *params); + int (*get_key)(struct wiphy *wiphy, struct net_device *netdev, + u8 key_index, u8 *mac_addr, void *cookie, + void (*callback)(void *cookie, struct key_params*)); + int (*del_key)(struct wiphy *wiphy, struct net_device *netdev, + u8 key_index, u8 *mac_addr); + int (*set_default_key)(struct wiphy *wiphy, + struct net_device *netdev, + u8 key_index); + + int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev, + struct beacon_parameters *info); + int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev, + struct beacon_parameters *info); + int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev); + + + int (*add_station)(struct wiphy *wiphy, struct net_device *dev, + u8 *mac, struct station_parameters *params); + int (*del_station)(struct wiphy *wiphy, struct net_device *dev, + u8 *mac); + int (*change_station)(struct wiphy *wiphy, struct net_device *dev, + u8 *mac, struct station_parameters *params); + int (*get_station)(struct wiphy *wiphy, struct net_device *dev, + u8 *mac, struct station_stats *stats); }; #endif /* __NET_CFG80211_H */ diff --git a/package/mac80211/src/include/net/mac80211.h b/package/mac80211/src/include/net/mac80211.h index 2b1bffbf..460da54 100644 --- a/package/mac80211/src/include/net/mac80211.h +++ b/package/mac80211/src/include/net/mac80211.h @@ -69,95 +69,20 @@ * not do so then mac80211 may add this under certain circumstances. */ -#define IEEE80211_CHAN_W_SCAN 0x00000001 -#define IEEE80211_CHAN_W_ACTIVE_SCAN 0x00000002 -#define IEEE80211_CHAN_W_IBSS 0x00000004 - -/* Channel information structure. Low-level driver is expected to fill in chan, - * freq, and val fields. Other fields will be filled in by 80211.o based on - * hostapd information and low-level driver does not need to use them. The - * limits for each channel will be provided in 'struct ieee80211_conf' when - * configuring the low-level driver with hw->config callback. If a device has - * a default regulatory domain, IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED - * can be set to let the driver configure all fields */ -struct ieee80211_channel { - short chan; /* channel number (IEEE 802.11) */ - short freq; /* frequency in MHz */ - int val; /* hw specific value for the channel */ - int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */ - unsigned char power_level; - unsigned char antenna_max; -}; - -#define IEEE80211_RATE_ERP 0x00000001 -#define IEEE80211_RATE_BASIC 0x00000002 -#define IEEE80211_RATE_PREAMBLE2 0x00000004 -#define IEEE80211_RATE_SUPPORTED 0x00000010 -#define IEEE80211_RATE_OFDM 0x00000020 -#define IEEE80211_RATE_CCK 0x00000040 -#define IEEE80211_RATE_MANDATORY 0x00000100 - -#define IEEE80211_RATE_CCK_2 (IEEE80211_RATE_CCK | IEEE80211_RATE_PREAMBLE2) -#define IEEE80211_RATE_MODULATION(f) \ - (f & (IEEE80211_RATE_CCK | IEEE80211_RATE_OFDM)) - -/* Low-level driver should set PREAMBLE2, OFDM and CCK flags. - * BASIC, SUPPORTED, ERP, and MANDATORY flags are set in 80211.o based on the - * configuration. */ -struct ieee80211_rate { - int rate; /* rate in 100 kbps */ - int val; /* hw specific value for the rate */ - int flags; /* IEEE80211_RATE_ flags */ - int val2; /* hw specific value for the rate when using short preamble - * (only when IEEE80211_RATE_PREAMBLE2 flag is set, i.e., for - * 2, 5.5, and 11 Mbps) */ - signed char min_rssi_ack; - unsigned char min_rssi_ack_delta; - - /* following fields are set by 80211.o and need not be filled by the - * low-level driver */ - int rate_inv; /* inverse of the rate (LCM(all rates) / rate) for - * optimizing channel utilization estimates */ -}; - /** - * enum ieee80211_phymode - PHY modes + * struct ieee80211_ht_bss_info - describing BSS's HT characteristics * - * @MODE_IEEE80211A: 5GHz as defined by 802.11a/802.11h - * @MODE_IEEE80211B: 2.4 GHz as defined by 802.11b - * @MODE_IEEE80211G: 2.4 GHz as defined by 802.11g (with OFDM), - * backwards compatible with 11b mode - * @NUM_IEEE80211_MODES: internal - */ -enum ieee80211_phymode { - MODE_IEEE80211A, - MODE_IEEE80211B, - MODE_IEEE80211G, - - /* keep last */ - NUM_IEEE80211_MODES -}; - -/** - * struct ieee80211_hw_mode - PHY mode definition - * - * This structure describes the capabilities supported by the device - * in a single PHY mode. + * This structure describes most essential parameters needed + * to describe 802.11n HT characteristics in a BSS * - * @mode: the PHY mode for this definition - * @num_channels: number of supported channels - * @channels: pointer to array of supported channels - * @num_rates: number of supported bitrates - * @rates: pointer to array of supported bitrates - * @list: internal + * @primary_channel: channel number of primery channel + * @bss_cap: 802.11n's general BSS capabilities (e.g. channel width) + * @bss_op_mode: 802.11n's BSS operation modes (e.g. HT protection) */ -struct ieee80211_hw_mode { - struct list_head list; - struct ieee80211_channel *channels; - struct ieee80211_rate *rates; - enum ieee80211_phymode mode; - int num_channels; - int num_rates; +struct ieee80211_ht_bss_info { + u8 primary_channel; + u8 bss_cap; /* use IEEE80211_HT_IE_CHA_ */ + u8 bss_op_mode; /* use IEEE80211_HT_IE_ */ }; /** @@ -208,6 +133,7 @@ struct ieee80211_tx_queue_stats_data { * @IEEE80211_TX_QUEUE_AFTER_BEACON: transmit queue for frames to be * sent after a beacon * @IEEE80211_TX_QUEUE_BEACON: transmit queue for beacon frames + * @NUM_TX_DATA_QUEUES_AMPDU: adding more queues for A-MPDU */ enum ieee80211_tx_queue { IEEE80211_TX_QUEUE_DATA0, @@ -223,11 +149,12 @@ enum ieee80211_tx_queue { * this struct need to have fixed values. As soon as it is removed, we can * fix these entries. */ IEEE80211_TX_QUEUE_AFTER_BEACON = 6, - IEEE80211_TX_QUEUE_BEACON = 7 + IEEE80211_TX_QUEUE_BEACON = 7, + NUM_TX_DATA_QUEUES_AMPDU = 16 }; struct ieee80211_tx_queue_stats { - struct ieee80211_tx_queue_stats_data data[NUM_TX_DATA_QUEUES]; + struct ieee80211_tx_queue_stats_data data[NUM_TX_DATA_QUEUES_AMPDU]; }; struct ieee80211_low_level_stats { @@ -237,16 +164,56 @@ struct ieee80211_low_level_stats { unsigned int dot11RTSSuccessCount; }; +/** + * enum ieee80211_bss_change - BSS change notification flags + * + * These flags are used with the bss_info_changed() callback + * to indicate which BSS parameter changed. + * + * @BSS_CHANGED_ASSOC: association status changed (associated/disassociated), + * also implies a change in the AID. + * @BSS_CHANGED_ERP_CTS_PROT: CTS protection changed + * @BSS_CHANGED_ERP_PREAMBLE: preamble changed + */ +enum ieee80211_bss_change { + BSS_CHANGED_ASSOC = 1<<0, + BSS_CHANGED_ERP_CTS_PROT = 1<<1, + BSS_CHANGED_ERP_PREAMBLE = 1<<2, +}; + +/** + * struct ieee80211_bss_conf - holds the BSS's changing parameters + * + * This structure keeps information about a BSS (and an association + * to that BSS) that can change during the lifetime of the BSS. + * + * @assoc: association status + * @aid: association ID number, valid only when @assoc is true + * @use_cts_prot: use CTS protection + * @use_short_preamble: use 802.11b short preamble + */ +struct ieee80211_bss_conf { + /* association related data */ + bool assoc; + u16 aid; + /* erp related data */ + bool use_cts_prot; + bool use_short_preamble; +}; + /* Transmit control fields. This data structure is passed to low-level driver * with each TX frame. The low-level driver is responsible for configuring * the hardware to use given values (depending on what is supported). */ struct ieee80211_tx_control { - int tx_rate; /* Transmit rate, given as the hw specific value for the - * rate (from struct ieee80211_rate) */ - int rts_cts_rate; /* Transmit rate for RTS/CTS frame, given as the hw - * specific value for the rate (from - * struct ieee80211_rate) */ + struct ieee80211_vif *vif; + struct ieee80211_rate *tx_rate; + + /* Transmit rate for RTS/CTS frame */ + struct ieee80211_rate *rts_cts_rate; + + /* retry rate for the last retries */ + struct ieee80211_rate *alt_retry_rate; #define IEEE80211_TXCTL_REQ_TX_STATUS (1<<0)/* request TX status callback for * this frame */ @@ -265,10 +232,16 @@ struct ieee80211_tx_control { #define IEEE80211_TXCTL_REQUEUE (1<<7) #define IEEE80211_TXCTL_FIRST_FRAGMENT (1<<8) /* this is a first fragment of * the frame */ +#define IEEE80211_TXCTL_SHORT_PREAMBLE (1<<9) #define IEEE80211_TXCTL_LONG_RETRY_LIMIT (1<<10) /* this frame should be send * using the through * set_retry_limit configured * long retry value */ +#define IEEE80211_TXCTL_EAPOL_FRAME (1<<11) /* internal to mac80211 */ +#define IEEE80211_TXCTL_SEND_AFTER_DTIM (1<<12) /* send this frame after DTIM + * beacon */ +#define IEEE80211_TXCTL_AMPDU (1<<13) /* this frame should be sent + * as part of an A-MPDU */ u32 flags; /* tx control flags defined * above */ u8 key_idx; /* keyidx from hw->set_key(), undefined if @@ -276,22 +249,12 @@ struct ieee80211_tx_control { u8 retry_limit; /* 1 = only first attempt, 2 = one retry, .. * This could be used when set_retry_limit * is not implemented by the driver */ - u8 power_level; /* per-packet transmit power level, in dBm */ u8 antenna_sel_tx; /* 0 = default/diversity, 1 = Ant0, 2 = Ant1 */ u8 icv_len; /* length of the ICV/MIC field in octets */ u8 iv_len; /* length of the IV field in octets */ u8 queue; /* hardware queue to use for this frame; * 0 = highest, hw->queues-1 = lowest */ - struct ieee80211_rate *rate; /* internal 80211.o rate */ - struct ieee80211_rate *rts_rate; /* internal 80211.o rate - * for RTS/CTS */ - int alt_retry_rate; /* retry rate for the last retries, given as the - * hw specific value for the rate (from - * struct ieee80211_rate). To be used to limit - * packet dropping when probing higher rates, if hw - * supports multiple retry rates. -1 = not used */ int type; /* internal */ - int ifindex; /* internal */ }; @@ -312,6 +275,8 @@ struct ieee80211_tx_control { * the frame. * @RX_FLAG_FAILED_PLCP_CRC: Set this flag if the PCLP check failed on * the frame. + * @RX_FLAG_TSFT: The timestamp passed in the RX status (@mactime field) + * is valid. */ enum mac80211_rx_flags { RX_FLAG_MMIC_ERROR = 1<<0, @@ -321,6 +286,7 @@ enum mac80211_rx_flags { RX_FLAG_IV_STRIPPED = 1<<4, RX_FLAG_FAILED_FCS_CRC = 1<<5, RX_FLAG_FAILED_PLCP_CRC = 1<<6, + RX_FLAG_TSFT = 1<<7, }; /** @@ -330,26 +296,24 @@ enum mac80211_rx_flags { * supported by hardware) to the 802.11 code with each received * frame. * @mactime: MAC timestamp as defined by 802.11 + * @band: the active band when this frame was received * @freq: frequency the radio was tuned to when receiving this frame, in MHz - * @channel: channel the radio was tuned to - * @phymode: active PHY mode * @ssi: signal strength when receiving this frame * @signal: used as 'qual' in statistics reporting * @noise: PHY noise when receiving this frame * @antenna: antenna used - * @rate: data rate + * @rate_idx: index of data rate into band's supported rates * @flag: %RX_FLAG_* */ struct ieee80211_rx_status { u64 mactime; + enum ieee80211_band band; int freq; - int channel; - enum ieee80211_phymode phymode; int ssi; int signal; int noise; int antenna; - int rate; + int rate_idx; int flag; }; @@ -360,12 +324,14 @@ struct ieee80211_rx_status { * * @IEEE80211_TX_STATUS_TX_FILTERED: The frame was not transmitted * because the destination STA was in powersave mode. - * * @IEEE80211_TX_STATUS_ACK: Frame was acknowledged + * @IEEE80211_TX_STATUS_AMPDU: The frame was aggregated, so status + * is for the whole aggregation. */ enum ieee80211_tx_status_flags { IEEE80211_TX_STATUS_TX_FILTERED = 1<<0, IEEE80211_TX_STATUS_ACK = 1<<1, + IEEE80211_TX_STATUS_AMPDU = 1<<2, }; /** @@ -376,24 +342,25 @@ enum ieee80211_tx_status_flags { * * @control: a copy of the &struct ieee80211_tx_control passed to the driver * in the tx() callback. - * * @flags: transmit status flags, defined above - * - * @ack_signal: signal strength of the ACK frame - * + * @retry_count: number of retries * @excessive_retries: set to 1 if the frame was retried many times * but not acknowledged - * - * @retry_count: number of retries - * + * @ampdu_ack_len: number of aggregated frames. + * relevant only if IEEE80211_TX_STATUS_AMPDU was set. + * @ampdu_ack_map: block ack bit map for the aggregation. + * relevant only if IEEE80211_TX_STATUS_AMPDU was set. + * @ack_signal: signal strength of the ACK frame * @queue_length: ?? REMOVE * @queue_number: ?? REMOVE */ struct ieee80211_tx_status { struct ieee80211_tx_control control; u8 flags; - bool excessive_retries; u8 retry_count; + bool excessive_retries; + u8 ampdu_ack_len; + u64 ampdu_ack_map; int ack_signal; int queue_length; int queue_number; @@ -406,11 +373,12 @@ struct ieee80211_tx_status { * * @IEEE80211_CONF_SHORT_SLOT_TIME: use 802.11g short slot time * @IEEE80211_CONF_RADIOTAP: add radiotap header at receive time (if supported) - * + * @IEEE80211_CONF_SUPPORT_HT_MODE: use 802.11n HT capabilities (if supported) */ enum ieee80211_conf_flags { - IEEE80211_CONF_SHORT_SLOT_TIME = 1<<0, - IEEE80211_CONF_RADIOTAP = 1<<1, + IEEE80211_CONF_SHORT_SLOT_TIME = (1<<0), + IEEE80211_CONF_RADIOTAP = (1<<1), + IEEE80211_CONF_SUPPORT_HT_MODE = (1<<2), }; /** @@ -420,38 +388,32 @@ enum ieee80211_conf_flags { * * @radio_enabled: when zero, driver is required to switch off the radio. * TODO make a flag - * @channel: IEEE 802.11 channel number - * @freq: frequency in MHz - * @channel_val: hardware specific channel value for the channel - * @phymode: PHY mode to activate (REMOVE) - * @chan: channel to switch to, pointer to the channel information - * @mode: pointer to mode definition - * @regulatory_domain: ?? * @beacon_int: beacon interval (TODO make interface config) * @flags: configuration flags defined above - * @power_level: transmit power limit for current regulatory domain in dBm - * @antenna_max: maximum antenna gain + * @power_level: requested transmit power (in dBm) + * @max_antenna_gain: maximum antenna gain (in dBi) * @antenna_sel_tx: transmit antenna selection, 0: default/diversity, * 1/2: antenna 0/1 * @antenna_sel_rx: receive antenna selection, like @antenna_sel_tx + * @ht_conf: describes current self configuration of 802.11n HT capabilies + * @ht_bss_conf: describes current BSS configuration of 802.11n HT parameters + * @channel: the channel to tune to */ struct ieee80211_conf { - int channel; /* IEEE 802.11 channel number */ - int freq; /* MHz */ - int channel_val; /* hw specific value for the channel */ - - enum ieee80211_phymode phymode; - struct ieee80211_channel *chan; - struct ieee80211_hw_mode *mode; unsigned int regulatory_domain; int radio_enabled; int beacon_int; u32 flags; - u8 power_level; - u8 antenna_max; + int power_level; + int max_antenna_gain; u8 antenna_sel_tx; u8 antenna_sel_rx; + + struct ieee80211_channel *channel; + + struct ieee80211_ht_info ht_conf; + struct ieee80211_ht_bss_info ht_bss_conf; }; /** @@ -480,13 +442,27 @@ enum ieee80211_if_types { }; /** + * struct ieee80211_vif - per-interface data + * + * Data in this structure is continually present for driver + * use during the life of a virtual interface. + * + * @type: type of this virtual interface + * @drv_priv: data area for driver use, will always be aligned to + * sizeof(void *). + */ +struct ieee80211_vif { + enum ieee80211_if_types type; + /* must be last */ + u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *)))); +}; + +/** * struct ieee80211_if_init_conf - initial configuration of an interface * - * @if_id: internal interface ID. This number has no particular meaning to - * drivers and the only allowed usage is to pass it to - * ieee80211_beacon_get() and ieee80211_get_buffered_bc() functions. - * This field is not valid for monitor interfaces - * (interfaces of %IEEE80211_IF_TYPE_MNTR type). + * @vif: pointer to a driver-use per-interface structure. The pointer + * itself is also used for various functions including + * ieee80211_beacon_get() and ieee80211_get_buffered_bc(). * @type: one of &enum ieee80211_if_types constants. Determines the type of * added/removed interface. * @mac_addr: pointer to MAC address of the interface. This pointer is valid @@ -503,8 +479,8 @@ enum ieee80211_if_types { * in pure monitor mode. */ struct ieee80211_if_init_conf { - int if_id; enum ieee80211_if_types type; + struct ieee80211_vif *vif; void *mac_addr; }; @@ -597,9 +573,6 @@ struct ieee80211_key_conf { u8 key[0]; }; -#define IEEE80211_SEQ_COUNTER_RX 0 -#define IEEE80211_SEQ_COUNTER_TX 1 - /** * enum set_key_cmd - key command * @@ -659,15 +632,19 @@ enum sta_notify_cmd { * %IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE is also not set because * otherwise the stack will not know when the DTIM beacon was sent. * - * @IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED: - * Channels are already configured to the default regulatory domain - * specified in the device's EEPROM + * @IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE: + * Hardware is not capable of short slot operation on the 2.4 GHz band. + * + * @IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE: + * Hardware is not capable of receiving frames with short preamble on + * the 2.4 GHz band. */ enum ieee80211_hw_flags { IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE = 1<<0, IEEE80211_HW_RX_INCLUDES_FCS = 1<<1, IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING = 1<<2, - IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED = 1<<3, + IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE = 1<<3, + IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE = 1<<4, }; /** @@ -679,7 +656,8 @@ enum ieee80211_hw_flags { * @wiphy: This points to the &struct wiphy allocated for this * 802.11 PHY. You must fill in the @perm_addr and @dev * members of this structure using SET_IEEE80211_DEV() - * and SET_IEEE80211_PERM_ADDR(). + * and SET_IEEE80211_PERM_ADDR(). Additionally, all supported + * bands (with channels, bitrates) are registered here. * * @conf: &struct ieee80211_conf, device configuration, don't use. * @@ -706,15 +684,24 @@ enum ieee80211_hw_flags { * * @queues: number of available hardware transmit queues for * data packets. WMM/QoS requires at least four. + * + * @rate_control_algorithm: rate control algorithm for this hardware. + * If unset (NULL), the default algorithm will be used. Must be + * set before calling ieee80211_register_hw(). + * + * @vif_data_size: size (in bytes) of the drv_priv data area + * within &struct ieee80211_vif. */ struct ieee80211_hw { struct ieee80211_conf conf; struct wiphy *wiphy; struct workqueue_struct *workqueue; + const char *rate_control_algorithm; void *priv; u32 flags; unsigned int extra_tx_headroom; int channel_change_time; + int vif_data_size; u8 queues; s8 max_rssi; s8 max_signal; @@ -854,19 +841,22 @@ enum ieee80211_filter_flags { }; /** - * enum ieee80211_erp_change_flags - erp change flags - * - * These flags are used with the erp_ie_changed() callback in - * &struct ieee80211_ops to indicate which parameter(s) changed. - * @IEEE80211_ERP_CHANGE_PROTECTION: protection changed - * @IEEE80211_ERP_CHANGE_PREAMBLE: barker preamble mode changed + * enum ieee80211_ampdu_mlme_action - A-MPDU actions + * + * These flags are used with the ampdu_action() callback in + * &struct ieee80211_ops to indicate which action is needed. + * @IEEE80211_AMPDU_RX_START: start Rx aggregation + * @IEEE80211_AMPDU_RX_STOP: stop Rx aggregation + * @IEEE80211_AMPDU_TX_START: start Tx aggregation + * @IEEE80211_AMPDU_TX_STOP: stop Tx aggregation */ -enum ieee80211_erp_change_flags { - IEEE80211_ERP_CHANGE_PROTECTION = 1<<0, - IEEE80211_ERP_CHANGE_PREAMBLE = 1<<1, +enum ieee80211_ampdu_mlme_action { + IEEE80211_AMPDU_RX_START, + IEEE80211_AMPDU_RX_STOP, + IEEE80211_AMPDU_TX_START, + IEEE80211_AMPDU_TX_STOP, }; - /** * struct ieee80211_ops - callbacks from mac80211 to the driver * @@ -922,6 +912,14 @@ enum ieee80211_erp_change_flags { * @config_interface: Handler for configuration requests related to interfaces * (e.g. BSSID changes.) * + * @bss_info_changed: Handler for configuration requests related to BSS + * parameters that may vary during BSS's lifespan, and may affect low + * level driver (e.g. assoc/disassoc status, erp parameters). + * This function should not be used if no BSS has been set, unless + * for association indication. The @changed parameter indicates which + * of the bss parameters has changed when a call is made. This callback + * has to be atomic. + * * @configure_filter: Configure the device's RX filter. * See the section "Frame filtering" for more information. * This callback must be implemented and atomic. @@ -936,30 +934,16 @@ enum ieee80211_erp_change_flags { * and remove_interface calls, i.e. while the interface with the * given local_address is enabled. * - * @set_ieee8021x: Enable/disable IEEE 802.1X. This item requests wlan card - * to pass unencrypted EAPOL-Key frames even when encryption is - * configured. If the wlan card does not require such a configuration, - * this function pointer can be set to NULL. - * - * @set_port_auth: Set port authorization state (IEEE 802.1X PAE) to be - * authorized (@authorized=1) or unauthorized (=0). This function can be - * used if the wlan hardware or low-level driver implements PAE. - * mac80211 will filter frames based on authorization state in any case, - * so this function pointer can be NULL if low-level driver does not - * require event notification about port state changes. - * * @hw_scan: Ask the hardware to service the scan request, no need to start - * the scan state machine in stack. + * the scan state machine in stack. The scan must honour the channel + * configuration done by the regulatory agent in the wiphy's registered + * bands. * * @get_stats: return low-level statistics * - * @set_privacy_invoked: For devices that generate their own beacons and probe - * response or association responses this updates the state of privacy_invoked - * returns 0 for success or an error number. - * - * @get_sequence_counter: For devices that have internal sequence counters this - * callback allows mac80211 to access the current value of a counter. - * This callback seems not well-defined, tell us if you need it. + * @get_tkip_seq: If your device implements TKIP encryption in hardware this + * callback should be provided to read the TKIP transmit IVs (both IV32 + * and IV16) for the given key from hardware. * * @set_rts_threshold: Configuration of RTS threshold (if device needs it) * @@ -972,8 +956,6 @@ enum ieee80211_erp_change_flags { * @sta_notify: Notifies low level driver about addition or removal * of assocaited station or AP. * - * @erp_ie_changed: Handle ERP IE change notifications. Must be atomic. - * * @conf_tx: Configure TX queue parameters (EDCF (aifs, cw_min, cw_max), * bursting) for a hardware TX queue. The @queue parameter uses the * %IEEE80211_TX_QUEUE_* constants. Must be atomic. @@ -1008,6 +990,15 @@ enum ieee80211_erp_change_flags { * @tx_last_beacon: Determine whether the last IBSS beacon was sent by us. * This is needed only for IBSS mode and the result of this function is * used to determine whether to reply to Probe Requests. + * + * @conf_ht: Configures low level driver with 802.11n HT data. Must be atomic. + * + * @ampdu_action: Perform a certain A-MPDU action + * The RA/TID combination determines the destination and TID we want + * the ampdu action to be performed for. The action is defined through + * ieee80211_ampdu_mlme_action. Starting sequence number (@ssn) + * is the first frame we expect to perform the action on. notice + * that TX/RX_STOP can pass NULL for this parameter. */ struct ieee80211_ops { int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb, @@ -1020,7 +1011,12 @@ struct ieee80211_ops { struct ieee80211_if_init_conf *conf); int (*config)(struct ieee80211_hw *hw, struct ieee80211_conf *conf); int (*config_interface)(struct ieee80211_hw *hw, - int if_id, struct ieee80211_if_conf *conf); + struct ieee80211_vif *vif, + struct ieee80211_if_conf *conf); + void (*bss_info_changed)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *info, + u32 changed); void (*configure_filter)(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, @@ -1029,25 +1025,17 @@ struct ieee80211_ops { int (*set_key)(struct ieee80211_hw *hw, enum set_key_cmd cmd, const u8 *local_address, const u8 *address, struct ieee80211_key_conf *key); - int (*set_ieee8021x)(struct ieee80211_hw *hw, int use_ieee8021x); - int (*set_port_auth)(struct ieee80211_hw *hw, u8 *addr, - int authorized); int (*hw_scan)(struct ieee80211_hw *hw, u8 *ssid, size_t len); int (*get_stats)(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats); - int (*set_privacy_invoked)(struct ieee80211_hw *hw, - int privacy_invoked); - int (*get_sequence_counter)(struct ieee80211_hw *hw, - u8* addr, u8 keyidx, u8 txrx, - u32* iv32, u16* iv16); + void (*get_tkip_seq)(struct ieee80211_hw *hw, u8 hw_key_idx, + u32 *iv32, u16 *iv16); int (*set_rts_threshold)(struct ieee80211_hw *hw, u32 value); int (*set_frag_threshold)(struct ieee80211_hw *hw, u32 value); int (*set_retry_limit)(struct ieee80211_hw *hw, u32 short_retry, u32 long_retr); - void (*sta_notify)(struct ieee80211_hw *hw, int if_id, + void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum sta_notify_cmd, const u8 *addr); - void (*erp_ie_changed)(struct ieee80211_hw *hw, u8 changes, - int cts_protection, int preamble); int (*conf_tx)(struct ieee80211_hw *hw, int queue, const struct ieee80211_tx_queue_params *params); int (*get_tx_stats)(struct ieee80211_hw *hw, @@ -1058,6 +1046,10 @@ struct ieee80211_ops { struct sk_buff *skb, struct ieee80211_tx_control *control); int (*tx_last_beacon)(struct ieee80211_hw *hw); + int (*conf_ht)(struct ieee80211_hw *hw, struct ieee80211_conf *conf); + int (*ampdu_action)(struct ieee80211_hw *hw, + enum ieee80211_ampdu_mlme_action action, + const u8 *addr, u16 tid, u16 *ssn); }; /** @@ -1089,6 +1081,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw); extern char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw); extern char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw); extern char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw); +extern char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw); #endif /** * ieee80211_get_tx_led_name - get name of TX LED @@ -1128,6 +1121,16 @@ static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw) #endif } +/** + * ieee80211_get_assoc_led_name - get name of association LED + * + * mac80211 creates a association LED trigger for each wireless hardware + * that can be used to drive LEDs if your driver registers a LED device. + * This function returns the name (or %NULL if not configured for LEDs) + * of the trigger so you can automatically link the LED device. + * + * @hw: the hardware to get the LED trigger name for + */ static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) { #ifdef CONFIG_MAC80211_LEDS @@ -1137,10 +1140,24 @@ static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) #endif } - -/* Register a new hardware PHYMODE capability to the stack. */ -int ieee80211_register_hwmode(struct ieee80211_hw *hw, - struct ieee80211_hw_mode *mode); +/** + * ieee80211_get_radio_led_name - get name of radio LED + * + * mac80211 creates a radio change LED trigger for each wireless hardware + * that can be used to drive LEDs if your driver registers a LED device. + * This function returns the name (or %NULL if not configured for LEDs) + * of the trigger so you can automatically link the LED device. + * + * @hw: the hardware to get the LED trigger name for + */ +static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw) +{ +#ifdef CONFIG_MAC80211_LEDS + return __ieee80211_get_radio_led_name(hw); +#else + return NULL; +#endif +} /** * ieee80211_unregister_hw - Unregister a hardware device @@ -1226,7 +1243,7 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, /** * ieee80211_beacon_get - beacon generation function * @hw: pointer obtained from ieee80211_alloc_hw(). - * @if_id: interface ID from &struct ieee80211_if_init_conf. + * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf. * @control: will be filled with information needed to send this beacon. * * If the beacon frames are generated by the host system (i.e., not in @@ -1237,13 +1254,13 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, * is responsible of freeing it. */ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, - int if_id, + struct ieee80211_vif *vif, struct ieee80211_tx_control *control); /** * ieee80211_rts_get - RTS frame generation function * @hw: pointer obtained from ieee80211_alloc_hw(). - * @if_id: interface ID from &struct ieee80211_if_init_conf. + * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf. * @frame: pointer to the frame that is going to be protected by the RTS. * @frame_len: the frame length (in octets). * @frame_txctl: &struct ieee80211_tx_control of the frame. @@ -1254,7 +1271,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, * the next RTS frame from the 802.11 code. The low-level is responsible * for calling this function before and RTS frame is needed. */ -void ieee80211_rts_get(struct ieee80211_hw *hw, int if_id, +void ieee80211_rts_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const void *frame, size_t frame_len, const struct ieee80211_tx_control *frame_txctl, struct ieee80211_rts *rts); @@ -1262,7 +1279,7 @@ void ieee80211_rts_get(struct ieee80211_hw *hw, int if_id, /** * ieee80211_rts_duration - Get the duration field for an RTS frame * @hw: pointer obtained from ieee80211_alloc_hw(). - * @if_id: interface ID from &struct ieee80211_if_init_conf. + * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf. * @frame_len: the length of the frame that is going to be protected by the RTS. * @frame_txctl: &struct ieee80211_tx_control of the frame. * @@ -1270,14 +1287,14 @@ void ieee80211_rts_get(struct ieee80211_hw *hw, int if_id, * the duration field, the low-level driver uses this function to receive * the duration field value in little-endian byteorder. */ -__le16 ieee80211_rts_duration(struct ieee80211_hw *hw, int if_id, - size_t frame_len, +__le16 ieee80211_rts_duration(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, size_t frame_len, const struct ieee80211_tx_control *frame_txctl); /** * ieee80211_ctstoself_get - CTS-to-self frame generation function * @hw: pointer obtained from ieee80211_alloc_hw(). - * @if_id: interface ID from &struct ieee80211_if_init_conf. + * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf. * @frame: pointer to the frame that is going to be protected by the CTS-to-self. * @frame_len: the frame length (in octets). * @frame_txctl: &struct ieee80211_tx_control of the frame. @@ -1288,7 +1305,8 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw, int if_id, * the next CTS-to-self frame from the 802.11 code. The low-level is responsible * for calling this function before and CTS-to-self frame is needed. */ -void ieee80211_ctstoself_get(struct ieee80211_hw *hw, int if_id, +void ieee80211_ctstoself_get(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, const void *frame, size_t frame_len, const struct ieee80211_tx_control *frame_txctl, struct ieee80211_cts *cts); @@ -1296,7 +1314,7 @@ void ieee80211_ctstoself_get(struct ieee80211_hw *hw, int if_id, /** * ieee80211_ctstoself_duration - Get the duration field for a CTS-to-self frame * @hw: pointer obtained from ieee80211_alloc_hw(). - * @if_id: interface ID from &struct ieee80211_if_init_conf. + * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf. * @frame_len: the length of the frame that is going to be protected by the CTS-to-self. * @frame_txctl: &struct ieee80211_tx_control of the frame. * @@ -1304,28 +1322,30 @@ void ieee80211_ctstoself_get(struct ieee80211_hw *hw, int if_id, * the duration field, the low-level driver uses this function to receive * the duration field value in little-endian byteorder. */ -__le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw, int if_id, +__le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, size_t frame_len, const struct ieee80211_tx_control *frame_txctl); /** * ieee80211_generic_frame_duration - Calculate the duration field for a frame * @hw: pointer obtained from ieee80211_alloc_hw(). - * @if_id: interface ID from &struct ieee80211_if_init_conf. + * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf. * @frame_len: the length of the frame. - * @rate: the rate (in 100kbps) at which the frame is going to be transmitted. + * @rate: the rate at which the frame is going to be transmitted. * * Calculate the duration field of some generic frame, given its * length and transmission rate (in 100kbps). */ -__le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw, int if_id, +__le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, size_t frame_len, - int rate); + struct ieee80211_rate *rate); /** * ieee80211_get_buffered_bc - accessing buffered broadcast and multicast frames * @hw: pointer as obtained from ieee80211_alloc_hw(). - * @if_id: interface ID from &struct ieee80211_if_init_conf. + * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf. * @control: will be filled with information needed to send returned frame. * * Function for accessing buffered broadcast and multicast frames. If @@ -1344,7 +1364,7 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw, int if_id, * use common code for all beacons. */ struct sk_buff * -ieee80211_get_buffered_bc(struct ieee80211_hw *hw, int if_id, +ieee80211_get_buffered_bc(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_tx_control *control); /** @@ -1422,8 +1442,96 @@ void ieee80211_wake_queues(struct ieee80211_hw *hw); */ void ieee80211_scan_completed(struct ieee80211_hw *hw); -#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x" -#define MAC_ARG(x) ((u8*)(x))[0], ((u8*)(x))[1], ((u8*)(x))[2], \ - ((u8*)(x))[3], ((u8*)(x))[4], ((u8*)(x))[5] +/** + * ieee80211_iterate_active_interfaces - iterate active interfaces + * + * This function iterates over the interfaces associated with a given + * hardware that are currently active and calls the callback for them. + * + * @hw: the hardware struct of which the interfaces should be iterated over + * @iterator: the iterator function to call, cannot sleep + * @data: first argument of the iterator function + */ +void ieee80211_iterate_active_interfaces(struct ieee80211_hw *hw, + void (*iterator)(void *data, u8 *mac, + struct ieee80211_vif *vif), + void *data); + +/** + * ieee80211_start_tx_ba_session - Start a tx Block Ack session. + * @hw: pointer as obtained from ieee80211_alloc_hw(). + * @ra: receiver address of the BA session recipient + * @tid: the TID to BA on. + * @return: success if addBA request was sent, failure otherwise + * + * Although mac80211/low level driver/user space application can estimate + * the need to start aggregation on a certain RA/TID, the session level + * will be managed by the mac80211. + */ +int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid); + +/** + * ieee80211_start_tx_ba_cb - low level driver ready to aggregate. + * @hw: pointer as obtained from ieee80211_alloc_hw(). + * @ra: receiver address of the BA session recipient. + * @tid: the TID to BA on. + * + * This function must be called by low level driver once it has + * finished with preparations for the BA session. + */ +void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid); + +/** + * ieee80211_start_tx_ba_cb_irqsafe - low level driver ready to aggregate. + * @hw: pointer as obtained from ieee80211_alloc_hw(). + * @ra: receiver address of the BA session recipient. + * @tid: the TID to BA on. + * + * This function must be called by low level driver once it has + * finished with preparations for the BA session. + * This version of the function is irq safe. + */ +void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra, + u16 tid); + +/** + * ieee80211_stop_tx_ba_session - Stop a Block Ack session. + * @hw: pointer as obtained from ieee80211_alloc_hw(). + * @ra: receiver address of the BA session recipient + * @tid: the TID to stop BA. + * @initiator: if indicates initiator DELBA frame will be sent. + * @return: error if no sta with matching da found, success otherwise + * + * Although mac80211/low level driver/user space application can estimate + * the need to stop aggregation on a certain RA/TID, the session level + * will be managed by the mac80211. + */ +int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw, + u8 *ra, u16 tid, + enum ieee80211_back_parties initiator); + +/** + * ieee80211_stop_tx_ba_cb - low level driver ready to stop aggregate. + * @hw: pointer as obtained from ieee80211_alloc_hw(). + * @ra: receiver address of the BA session recipient. + * @tid: the desired TID to BA on. + * + * This function must be called by low level driver once it has + * finished with preparations for the BA session tear down. + */ +void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid); + +/** + * ieee80211_stop_tx_ba_cb_irqsafe - low level driver ready to stop aggregate. + * @hw: pointer as obtained from ieee80211_alloc_hw(). + * @ra: receiver address of the BA session recipient. + * @tid: the desired TID to BA on. + * + * This function must be called by low level driver once it has + * finished with preparations for the BA session tear down. + * This version of the function is irq safe. + */ +void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra, + u16 tid); #endif /* MAC80211_H */ diff --git a/package/mac80211/src/include/net/wireless.h b/package/mac80211/src/include/net/wireless.h new file mode 100644 index 0000000..c7f805e --- /dev/null +++ b/package/mac80211/src/include/net/wireless.h @@ -0,0 +1,307 @@ +#ifndef __NET_WIRELESS_H +#define __NET_WIRELESS_H + +/* + * 802.11 device management + * + * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> + */ + +#include <linux/netdevice.h> +#include <linux/debugfs.h> +#include <linux/list.h> +#include <net/cfg80211.h> + +/** + * enum ieee80211_band - supported frequency bands + * + * The bands are assigned this way because the supported + * bitrates differ in these bands. + * + * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band + * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7) + */ +enum ieee80211_band { + IEEE80211_BAND_2GHZ, + IEEE80211_BAND_5GHZ, + + /* keep last */ + IEEE80211_NUM_BANDS +}; + +/** + * enum ieee80211_channel_flags - channel flags + * + * Channel flags set by the regulatory control code. + * + * @IEEE80211_CHAN_DISABLED: This channel is disabled. + * @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted + * on this channel. + * @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel. + * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel. + */ +enum ieee80211_channel_flags { + IEEE80211_CHAN_DISABLED = 1<<0, + IEEE80211_CHAN_PASSIVE_SCAN = 1<<1, + IEEE80211_CHAN_NO_IBSS = 1<<2, + IEEE80211_CHAN_RADAR = 1<<3, +}; + +/** + * struct ieee80211_channel - channel definition + * + * This structure describes a single channel for use + * with cfg80211. + * + * @center_freq: center frequency in MHz + * @hw_value: hardware-specific value for the channel + * @flags: channel flags from &enum ieee80211_channel_flags. + * @orig_flags: channel flags at registration time, used by regulatory + * code to support devices with additional restrictions + * @band: band this channel belongs to. + * @max_antenna_gain: maximum antenna gain in dBi + * @max_power: maximum transmission power (in dBm) + * @orig_mag: internal use + * @orig_mpwr: internal use + */ +struct ieee80211_channel { + enum ieee80211_band band; + u16 center_freq; + u16 hw_value; + u32 flags; + int max_antenna_gain; + int max_power; + u32 orig_flags; + int orig_mag, orig_mpwr; +}; + +/** + * enum ieee80211_rate_flags - rate flags + * + * Hardware/specification flags for rates. These are structured + * in a way that allows using the same bitrate structure for + * different bands/PHY modes. + * + * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short + * preamble on this bitrate; only relevant in 2.4GHz band and + * with CCK rates. + * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate + * when used with 802.11a (on the 5 GHz band); filled by the + * core code when registering the wiphy. + * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate + * when used with 802.11b (on the 2.4 GHz band); filled by the + * core code when registering the wiphy. + * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate + * when used with 802.11g (on the 2.4 GHz band); filled by the + * core code when registering the wiphy. + * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode. + */ +enum ieee80211_rate_flags { + IEEE80211_RATE_SHORT_PREAMBLE = 1<<0, + IEEE80211_RATE_MANDATORY_A = 1<<1, + IEEE80211_RATE_MANDATORY_B = 1<<2, + IEEE80211_RATE_MANDATORY_G = 1<<3, + IEEE80211_RATE_ERP_G = 1<<4, +}; + +/** + * struct ieee80211_rate - bitrate definition + * + * This structure describes a bitrate that an 802.11 PHY can + * operate with. The two values @hw_value and @hw_value_short + * are only for driver use when pointers to this structure are + * passed around. + * + * @flags: rate-specific flags + * @bitrate: bitrate in units of 100 Kbps + * @hw_value: driver/hardware value for this rate + * @hw_value_short: driver/hardware value for this rate when + * short preamble is used + */ +struct ieee80211_rate { + u32 flags; + u16 bitrate; + u16 hw_value, hw_value_short; +}; + +/** + * struct ieee80211_ht_info - describing STA's HT capabilities + * + * This structure describes most essential parameters needed + * to describe 802.11n HT capabilities for an STA. + * + * @ht_supported: is HT supported by STA, 0: no, 1: yes + * @cap: HT capabilities map as described in 802.11n spec + * @ampdu_factor: Maximum A-MPDU length factor + * @ampdu_density: Minimum A-MPDU spacing + * @supp_mcs_set: Supported MCS set as described in 802.11n spec + */ +struct ieee80211_ht_info { + u16 cap; /* use IEEE80211_HT_CAP_ */ + u8 ht_supported; + u8 ampdu_factor; + u8 ampdu_density; + u8 supp_mcs_set[16]; +}; + +/** + * struct ieee80211_supported_band - frequency band definition + * + * This structure describes a frequency band a wiphy + * is able to operate in. + * + * @channels: Array of channels the hardware can operate in + * in this band. + * @band: the band this structure represents + * @n_channels: Number of channels in @channels + * @bitrates: Array of bitrates the hardware can operate with + * in this band. Must be sorted to give a valid "supported + * rates" IE, i.e. CCK rates first, then OFDM. + * @n_bitrates: Number of bitrates in @bitrates + */ +struct ieee80211_supported_band { + struct ieee80211_channel *channels; + struct ieee80211_rate *bitrates; + enum ieee80211_band band; + int n_channels; + int n_bitrates; + struct ieee80211_ht_info ht_info; +}; + +/** + * struct wiphy - wireless hardware description + * @idx: the wiphy index assigned to this item + * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name> + */ +struct wiphy { + /* assign these fields before you register the wiphy */ + + /* permanent MAC address */ + u8 perm_addr[ETH_ALEN]; + + /* If multiple wiphys are registered and you're handed e.g. + * a regular netdev with assigned ieee80211_ptr, you won't + * know whether it points to a wiphy your driver has registered + * or not. Assign this to something global to your driver to + * help determine whether you own this wiphy or not. */ + void *privid; + + struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS]; + + /* fields below are read-only, assigned by cfg80211 */ + + /* the item in /sys/class/ieee80211/ points to this, + * you need use set_wiphy_dev() (see below) */ + struct device dev; + + /* dir in debugfs: ieee80211/<wiphyname> */ + struct dentry *debugfsdir; + + char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); +}; + +/** struct wireless_dev - wireless per-netdev state + * + * This structure must be allocated by the driver/stack + * that uses the ieee80211_ptr field in struct net_device + * (this is intentional so it can be allocated along with + * the netdev.) + * + * @wiphy: pointer to hardware description + */ +struct wireless_dev { + struct wiphy *wiphy; + + /* private to the generic wireless code */ + struct list_head list; + struct net_device *netdev; +}; + +/** + * wiphy_priv - return priv from wiphy + */ +static inline void *wiphy_priv(struct wiphy *wiphy) +{ + BUG_ON(!wiphy); + return &wiphy->priv; +} + +/** + * set_wiphy_dev - set device pointer for wiphy + */ +static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev) +{ + wiphy->dev.parent = dev; +} + +/** + * wiphy_dev - get wiphy dev pointer + */ +static inline struct device *wiphy_dev(struct wiphy *wiphy) +{ + return wiphy->dev.parent; +} + +/** + * wiphy_name - get wiphy name + */ +static inline char *wiphy_name(struct wiphy *wiphy) +{ + return wiphy->dev.bus_id; +} + +/** + * wdev_priv - return wiphy priv from wireless_dev + */ +static inline void *wdev_priv(struct wireless_dev *wdev) +{ + BUG_ON(!wdev); + return wiphy_priv(wdev->wiphy); +} + +/** + * wiphy_new - create a new wiphy for use with cfg80211 + * + * create a new wiphy and associate the given operations with it. + * @sizeof_priv bytes are allocated for private use. + * + * the returned pointer must be assigned to each netdev's + * ieee80211_ptr for proper operation. + */ +struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv); + +/** + * wiphy_register - register a wiphy with cfg80211 + * + * register the given wiphy + * + * Returns a non-negative wiphy index or a negative error code. + */ +extern int wiphy_register(struct wiphy *wiphy); + +/** + * wiphy_unregister - deregister a wiphy from cfg80211 + * + * unregister a device with the given priv pointer. + * After this call, no more requests can be made with this priv + * pointer, but the call may sleep to wait for an outstanding + * request that is being handled. + */ +extern void wiphy_unregister(struct wiphy *wiphy); + +/** + * wiphy_free - free wiphy + */ +extern void wiphy_free(struct wiphy *wiphy); + +/** + * ieee80211_channel_to_frequency - convert channel number to frequency + */ +extern int ieee80211_channel_to_frequency(int chan); + +/** + * ieee80211_frequency_to_channel - convert frequency to channel number + */ +extern int ieee80211_frequency_to_channel(int freq); + +#endif /* __NET_WIRELESS_H */ diff --git a/package/mac80211/src/net/mac80211/Kconfig b/package/mac80211/src/net/mac80211/Kconfig index 6fffb38..45c7c0c 100644 --- a/package/mac80211/src/net/mac80211/Kconfig +++ b/package/mac80211/src/net/mac80211/Kconfig @@ -1,6 +1,5 @@ config MAC80211 tristate "Generic IEEE 802.11 Networking Stack (mac80211)" - depends on EXPERIMENTAL select CRYPTO select CRYPTO_ECB select CRYPTO_ARC4 @@ -10,15 +9,84 @@ config MAC80211 select CFG80211 select NET_SCH_FIFO ---help--- - This option enables the hardware independent IEEE 802.11 - networking stack. + This option enables the hardware independent IEEE 802.11 + networking stack. + +menu "Rate control algorithm selection" + depends on MAC80211 != n + +choice + prompt "Default rate control algorithm" + default MAC80211_RC_DEFAULT_PID + ---help--- + This option selects the default rate control algorithm + mac80211 will use. Note that this default can still be + overriden through the ieee80211_default_rc_algo module + parameter if different algorithms are available. + +config MAC80211_RC_DEFAULT_PID + bool "PID controller based rate control algorithm" + select MAC80211_RC_PID + ---help--- + Select the PID controller based rate control as the + default rate control algorithm. You should choose + this unless you know what you are doing. + +config MAC80211_RC_DEFAULT_SIMPLE + bool "Simple rate control algorithm" + select MAC80211_RC_SIMPLE + ---help--- + Select the simple rate control as the default rate + control algorithm. Note that this is a non-responsive, + dumb algorithm. You should choose the PID rate control + instead. + +config MAC80211_RC_DEFAULT_NONE + bool "No default algorithm" + depends on EMBEDDED + help + Selecting this option will select no default algorithm + and allow you to not build any. Do not choose this + option unless you know your driver comes with another + suitable algorithm. +endchoice + +comment "Selecting 'y' for an algorithm will" +comment "build the algorithm into mac80211." + +config MAC80211_RC_DEFAULT + string + default "pid" if MAC80211_RC_DEFAULT_PID + default "simple" if MAC80211_RC_DEFAULT_SIMPLE + default "" + +config MAC80211_RC_PID + tristate "PID controller based rate control algorithm" + ---help--- + This option enables a TX rate control algorithm for + mac80211 that uses a PID controller to select the TX + rate. + + Say Y or M unless you're sure you want to use a + different rate control algorithm. + +config MAC80211_RC_SIMPLE + tristate "Simple rate control algorithm (DEPRECATED)" + ---help--- + This option enables a very simple, non-responsive TX + rate control algorithm. This algorithm is deprecated + and will be removed from the kernel in the near future. + It has been replaced by the PID algorithm. + + Say N unless you know what you are doing. +endmenu config MAC80211_LEDS bool "Enable LED triggers" depends on MAC80211 && LEDS_TRIGGERS ---help--- - This option enables a few LED triggers for different - packet receive/transmit events. + This option enables a few LED triggers for different + packet receive/transmit events. config MAC80211_DEBUGFS bool "Export mac80211 internals in DebugFS" @@ -29,6 +97,18 @@ config MAC80211_DEBUGFS Say N unless you know you need this. +config MAC80211_DEBUG_PACKET_ALIGNMENT + bool "Enable packet alignment debugging" + depends on MAC80211 + help + This option is recommended for driver authors and strongly + discouraged for everybody else, it will trigger a warning + when a driver hands mac80211 a buffer that is aligned in + a way that will cause problems with the IP stack on some + architectures. + + Say N unless you're writing a mac80211 based driver. + config MAC80211_DEBUG bool "Enable debugging output" depends on MAC80211 @@ -39,6 +119,16 @@ config MAC80211_DEBUG If you are not trying to debug or develop the ieee80211 subsystem, you most likely want to say N here. +config MAC80211_HT_DEBUG + bool "Enable HT debugging output" + depends on MAC80211_DEBUG + ---help--- + This option enables 802.11n High Throughput features + debug tracing output. + + If you are not trying to debug of develop the ieee80211 + subsystem, you most likely want to say N here. + config MAC80211_VERBOSE_DEBUG bool "Verbose debugging output" depends on MAC80211_DEBUG diff --git a/package/mac80211/src/net/mac80211/Makefile b/package/mac80211/src/net/mac80211/Makefile index 219cd9f..9d7a195 100644 --- a/package/mac80211/src/net/mac80211/Makefile +++ b/package/mac80211/src/net/mac80211/Makefile @@ -1,10 +1,15 @@ -obj-$(CONFIG_MAC80211) += mac80211.o rc80211_simple.o +obj-$(CONFIG_MAC80211) += mac80211.o -mac80211-objs-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o -mac80211-objs-$(CONFIG_MAC80211_DEBUGFS) += debugfs.o debugfs_sta.o debugfs_netdev.o debugfs_key.o -mac80211-objs-$(CONFIG_NET_SCHED) += wme.o +# objects for PID algorithm +rc80211_pid-y := rc80211_pid_algo.o +rc80211_pid-$(CONFIG_MAC80211_DEBUGFS) += rc80211_pid_debugfs.o -mac80211-objs := \ +# build helper for PID algorithm +rc-pid-y := $(rc80211_pid-y) +rc-pid-m := rc80211_pid.o + +# mac80211 objects +mac80211-y := \ ieee80211.o \ ieee80211_ioctl.o \ sta_info.o \ @@ -14,7 +19,6 @@ mac80211-objs := \ ieee80211_iface.o \ ieee80211_rate.o \ michael.o \ - regdomain.o \ tkip.o \ aes_ccm.o \ cfg.o \ @@ -22,5 +26,22 @@ mac80211-objs := \ tx.o \ key.o \ util.o \ - event.o \ - $(mac80211-objs-y) + event.o + +mac80211-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o +mac80211-$(CONFIG_NET_SCHED) += wme.o +mac80211-$(CONFIG_MAC80211_DEBUGFS) += \ + debugfs.o \ + debugfs_sta.o \ + debugfs_netdev.o \ + debugfs_key.o + + +# Build rate control algorithm(s) +CFLAGS_rc80211_simple.o += -DRC80211_SIMPLE_COMPILE +CFLAGS_rc80211_pid_algo.o += -DRC80211_PID_COMPILE +mac80211-$(CONFIG_MAC80211_RC_SIMPLE) += rc80211_simple.o +mac80211-$(CONFIG_MAC80211_RC_PID) += $(rc-pid-$(CONFIG_MAC80211_RC_PID)) + +# Modular rate algorithms are assigned to mac80211-m - make separate modules +obj-m += $(mac80211-m) diff --git a/package/mac80211/src/net/mac80211/aes_ccm.c b/package/mac80211/src/net/mac80211/aes_ccm.c index e55569b..e62fe55 100644 --- a/package/mac80211/src/net/mac80211/aes_ccm.c +++ b/package/mac80211/src/net/mac80211/aes_ccm.c @@ -7,10 +7,10 @@ * published by the Free Software Foundation. */ +#include <linux/kernel.h> #include <linux/types.h> #include <linux/crypto.h> #include <linux/err.h> -#include <asm/scatterlist.h> #include <net/mac80211.h> #include "ieee80211_key.h" @@ -63,7 +63,7 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch, s_0 = scratch + AES_BLOCK_LEN; e = scratch + 2 * AES_BLOCK_LEN; - num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN; + num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN); last_len = data_len % AES_BLOCK_LEN; aes_ccm_prepare(tfm, b_0, aad, b, s_0, b); @@ -102,7 +102,7 @@ int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch, s_0 = scratch + AES_BLOCK_LEN; a = scratch + 2 * AES_BLOCK_LEN; - num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN; + num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN); last_len = data_len % AES_BLOCK_LEN; aes_ccm_prepare(tfm, b_0, aad, b, s_0, a); diff --git a/package/mac80211/src/net/mac80211/cfg.c b/package/mac80211/src/net/mac80211/cfg.c index cd78b3f..a083cc7 100644 --- a/package/mac80211/src/net/mac80211/cfg.c +++ b/package/mac80211/src/net/mac80211/cfg.c @@ -1,16 +1,20 @@ /* * mac80211 configuration hooks for cfg80211 * - * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net> * * This file is GPLv2 as found in COPYING. */ +#include <linux/ieee80211.h> #include <linux/nl80211.h> #include <linux/rtnetlink.h> +#include <net/net_namespace.h> +#include <linux/rcupdate.h> #include <net/cfg80211.h> #include "ieee80211_i.h" #include "cfg.h" +#include "ieee80211_rate.h" static enum ieee80211_if_types nl80211_type_to_mac80211_type(enum nl80211_iftype type) @@ -30,10 +34,13 @@ nl80211_type_to_mac80211_type(enum nl80211_iftype type) } static int ieee80211_add_iface(struct wiphy *wiphy, char *name, - enum nl80211_iftype type) + enum nl80211_iftype type, u32 *flags) { struct ieee80211_local *local = wiphy_priv(wiphy); enum ieee80211_if_types itype; + struct net_device *dev; + struct ieee80211_sub_if_data *sdata; + int err; if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) return -ENODEV; @@ -42,7 +49,13 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name, if (itype == IEEE80211_IF_TYPE_INVALID) return -EINVAL; - return ieee80211_if_add(local->mdev, name, NULL, itype); + err = ieee80211_if_add(local->mdev, name, &dev, itype); + if (err || itype != IEEE80211_IF_TYPE_MNTR || !flags) + return err; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + sdata->u.mntr_flags = *flags; + return 0; } static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex) @@ -55,7 +68,7 @@ static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex) return -ENODEV; /* we're under RTNL */ - dev = __dev_get_by_index(ifindex); + dev = __dev_get_by_index(&init_net, ifindex); if (!dev) return 0; @@ -65,7 +78,7 @@ static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex) } static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, - enum nl80211_iftype type) + enum nl80211_iftype type, u32 *flags) { struct ieee80211_local *local = wiphy_priv(wiphy); struct net_device *dev; @@ -76,7 +89,7 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, return -ENODEV; /* we're under RTNL */ - dev = __dev_get_by_index(ifindex); + dev = __dev_get_by_index(&init_net, ifindex); if (!dev) return -ENODEV; @@ -89,12 +102,551 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_IF_TYPE_VLAN) + if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN) return -EOPNOTSUPP; ieee80211_if_reinit(dev); ieee80211_if_set_type(dev, itype); + if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR || !flags) + return 0; + + sdata->u.mntr_flags = *flags; + return 0; +} + +static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, u8 *mac_addr, + struct key_params *params) +{ + struct ieee80211_sub_if_data *sdata; + struct sta_info *sta = NULL; + enum ieee80211_key_alg alg; + int ret; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + switch (params->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + alg = ALG_WEP; + break; + case WLAN_CIPHER_SUITE_TKIP: + alg = ALG_TKIP; + break; + case WLAN_CIPHER_SUITE_CCMP: + alg = ALG_CCMP; + break; + default: + return -EINVAL; + } + + if (mac_addr) { + sta = sta_info_get(sdata->local, mac_addr); + if (!sta) + return -ENOENT; + } + + ret = 0; + if (!ieee80211_key_alloc(sdata, sta, alg, key_idx, + params->key_len, params->key)) + ret = -ENOMEM; + + if (sta) + sta_info_put(sta); + + return ret; +} + +static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, u8 *mac_addr) +{ + struct ieee80211_sub_if_data *sdata; + struct sta_info *sta; + int ret; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + if (mac_addr) { + sta = sta_info_get(sdata->local, mac_addr); + if (!sta) + return -ENOENT; + + ret = 0; + if (sta->key) + ieee80211_key_free(sta->key); + else + ret = -ENOENT; + + sta_info_put(sta); + return ret; + } + + if (!sdata->keys[key_idx]) + return -ENOENT; + + ieee80211_key_free(sdata->keys[key_idx]); + + return 0; +} + +static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, u8 *mac_addr, void *cookie, + void (*callback)(void *cookie, + struct key_params *params)) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct sta_info *sta = NULL; + u8 seq[6] = {0}; + struct key_params params; + struct ieee80211_key *key; + u32 iv32; + u16 iv16; + int err = -ENOENT; + + if (mac_addr) { + sta = sta_info_get(sdata->local, mac_addr); + if (!sta) + goto out; + + key = sta->key; + } else + key = sdata->keys[key_idx]; + + if (!key) + goto out; + + memset(¶ms, 0, sizeof(params)); + + switch (key->conf.alg) { + case ALG_TKIP: + params.cipher = WLAN_CIPHER_SUITE_TKIP; + + iv32 = key->u.tkip.iv32; + iv16 = key->u.tkip.iv16; + + if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && + sdata->local->ops->get_tkip_seq) + sdata->local->ops->get_tkip_seq( + local_to_hw(sdata->local), + key->conf.hw_key_idx, + &iv32, &iv16); + + seq[0] = iv16 & 0xff; + seq[1] = (iv16 >> 8) & 0xff; + seq[2] = iv32 & 0xff; + seq[3] = (iv32 >> 8) & 0xff; + seq[4] = (iv32 >> 16) & 0xff; + seq[5] = (iv32 >> 24) & 0xff; + params.seq = seq; + params.seq_len = 6; + break; + case ALG_CCMP: + params.cipher = WLAN_CIPHER_SUITE_CCMP; + seq[0] = key->u.ccmp.tx_pn[5]; + seq[1] = key->u.ccmp.tx_pn[4]; + seq[2] = key->u.ccmp.tx_pn[3]; + seq[3] = key->u.ccmp.tx_pn[2]; + seq[4] = key->u.ccmp.tx_pn[1]; + seq[5] = key->u.ccmp.tx_pn[0]; + params.seq = seq; + params.seq_len = 6; + break; + case ALG_WEP: + if (key->conf.keylen == 5) + params.cipher = WLAN_CIPHER_SUITE_WEP40; + else + params.cipher = WLAN_CIPHER_SUITE_WEP104; + break; + } + + params.key = key->conf.key; + params.key_len = key->conf.keylen; + + callback(cookie, ¶ms); + err = 0; + + out: + if (sta) + sta_info_put(sta); + return err; +} + +static int ieee80211_config_default_key(struct wiphy *wiphy, + struct net_device *dev, + u8 key_idx) +{ + struct ieee80211_sub_if_data *sdata; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + ieee80211_set_default_key(sdata, key_idx); + + return 0; +} + +static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, + u8 *mac, struct station_stats *stats) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sta_info *sta; + + sta = sta_info_get(local, mac); + if (!sta) + return -ENOENT; + + /* XXX: verify sta->dev == dev */ + + stats->filled = STATION_STAT_INACTIVE_TIME | + STATION_STAT_RX_BYTES | + STATION_STAT_TX_BYTES; + + stats->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); + stats->rx_bytes = sta->rx_bytes; + stats->tx_bytes = sta->tx_bytes; + + sta_info_put(sta); + + return 0; +} + +/* + * This handles both adding a beacon and setting new beacon info + */ +static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, + struct beacon_parameters *params) +{ + struct beacon_data *new, *old; + int new_head_len, new_tail_len; + int size; + int err = -EINVAL; + + old = sdata->u.ap.beacon; + + /* head must not be zero-length */ + if (params->head && !params->head_len) + return -EINVAL; + + /* + * This is a kludge. beacon interval should really be part + * of the beacon information. + */ + if (params->interval) { + sdata->local->hw.conf.beacon_int = params->interval; + if (ieee80211_hw_config(sdata->local)) + return -EINVAL; + /* + * We updated some parameter so if below bails out + * it's not an error. + */ + err = 0; + } + + /* Need to have a beacon head if we don't have one yet */ + if (!params->head && !old) + return err; + + /* sorry, no way to start beaconing without dtim period */ + if (!params->dtim_period && !old) + return err; + + /* new or old head? */ + if (params->head) + new_head_len = params->head_len; + else + new_head_len = old->head_len; + + /* new or old tail? */ + if (params->tail || !old) + /* params->tail_len will be zero for !params->tail */ + new_tail_len = params->tail_len; + else + new_tail_len = old->tail_len; + + size = sizeof(*new) + new_head_len + new_tail_len; + + new = kzalloc(size, GFP_KERNEL); + if (!new) + return -ENOMEM; + + /* start filling the new info now */ + + /* new or old dtim period? */ + if (params->dtim_period) + new->dtim_period = params->dtim_period; + else + new->dtim_period = old->dtim_period; + + /* + * pointers go into the block we allocated, + * memory is | beacon_data | head | tail | + */ + new->head = ((u8 *) new) + sizeof(*new); + new->tail = new->head + new_head_len; + new->head_len = new_head_len; + new->tail_len = new_tail_len; + + /* copy in head */ + if (params->head) + memcpy(new->head, params->head, new_head_len); + else + memcpy(new->head, old->head, new_head_len); + + /* copy in optional tail */ + if (params->tail) + memcpy(new->tail, params->tail, new_tail_len); + else + if (old) + memcpy(new->tail, old->tail, new_tail_len); + + rcu_assign_pointer(sdata->u.ap.beacon, new); + + synchronize_rcu(); + + kfree(old); + + return ieee80211_if_config_beacon(sdata->dev); +} + +static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, + struct beacon_parameters *params) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct beacon_data *old; + + if (sdata->vif.type != IEEE80211_IF_TYPE_AP) + return -EINVAL; + + old = sdata->u.ap.beacon; + + if (old) + return -EALREADY; + + return ieee80211_config_beacon(sdata, params); +} + +static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, + struct beacon_parameters *params) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct beacon_data *old; + + if (sdata->vif.type != IEEE80211_IF_TYPE_AP) + return -EINVAL; + + old = sdata->u.ap.beacon; + + if (!old) + return -ENOENT; + + return ieee80211_config_beacon(sdata, params); +} + +static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct beacon_data *old; + + if (sdata->vif.type != IEEE80211_IF_TYPE_AP) + return -EINVAL; + + old = sdata->u.ap.beacon; + + if (!old) + return -ENOENT; + + rcu_assign_pointer(sdata->u.ap.beacon, NULL); + synchronize_rcu(); + kfree(old); + + return ieee80211_if_config_beacon(dev); +} + +/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ +struct iapp_layer2_update { + u8 da[ETH_ALEN]; /* broadcast */ + u8 sa[ETH_ALEN]; /* STA addr */ + __be16 len; /* 6 */ + u8 dsap; /* 0 */ + u8 ssap; /* 0 */ + u8 control; + u8 xid_info[3]; +} __attribute__ ((packed)); + +static void ieee80211_send_layer2_update(struct sta_info *sta) +{ + struct iapp_layer2_update *msg; + struct sk_buff *skb; + + /* Send Level 2 Update Frame to update forwarding tables in layer 2 + * bridge devices */ + + skb = dev_alloc_skb(sizeof(*msg)); + if (!skb) + return; + msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); + + /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) + * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ + + memset(msg->da, 0xff, ETH_ALEN); + memcpy(msg->sa, sta->addr, ETH_ALEN); + msg->len = htons(6); + msg->dsap = 0; + msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ + msg->control = 0xaf; /* XID response lsb.1111F101. + * F=0 (no poll command; unsolicited frame) */ + msg->xid_info[0] = 0x81; /* XID format identifier */ + msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ + msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ + + skb->dev = sta->dev; + skb->protocol = eth_type_trans(skb, sta->dev); + memset(skb->cb, 0, sizeof(skb->cb)); + netif_rx(skb); +} + +static void sta_apply_parameters(struct ieee80211_local *local, + struct sta_info *sta, + struct station_parameters *params) +{ + u32 rates; + int i, j; + struct ieee80211_supported_band *sband; + + if (params->station_flags & STATION_FLAG_CHANGED) { + sta->flags &= ~WLAN_STA_AUTHORIZED; + if (params->station_flags & STATION_FLAG_AUTHORIZED) + sta->flags |= WLAN_STA_AUTHORIZED; + + sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; + if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE) + sta->flags |= WLAN_STA_SHORT_PREAMBLE; + + sta->flags &= ~WLAN_STA_WME; + if (params->station_flags & STATION_FLAG_WME) + sta->flags |= WLAN_STA_WME; + } + + if (params->aid) { + sta->aid = params->aid; + if (sta->aid > IEEE80211_MAX_AID) + sta->aid = 0; /* XXX: should this be an error? */ + } + + if (params->listen_interval >= 0) + sta->listen_interval = params->listen_interval; + + if (params->supported_rates) { + rates = 0; + sband = local->hw.wiphy->bands[local->oper_channel->band]; + + for (i = 0; i < params->supported_rates_len; i++) { + int rate = (params->supported_rates[i] & 0x7f) * 5; + for (j = 0; j < sband->n_bitrates; j++) { + if (sband->bitrates[j].bitrate == rate) + rates |= BIT(j); + } + } + sta->supp_rates[local->oper_channel->band] = rates; + } +} + +static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, + u8 *mac, struct station_parameters *params) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sta_info *sta; + struct ieee80211_sub_if_data *sdata; + + /* Prevent a race with changing the rate control algorithm */ + if (!netif_running(dev)) + return -ENETDOWN; + + /* XXX: get sta belonging to dev */ + sta = sta_info_get(local, mac); + if (sta) { + sta_info_put(sta); + return -EEXIST; + } + + if (params->vlan) { + sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); + + if (sdata->vif.type != IEEE80211_IF_TYPE_VLAN || + sdata->vif.type != IEEE80211_IF_TYPE_AP) + return -EINVAL; + } else + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + sta = sta_info_add(local, dev, mac, GFP_KERNEL); + if (!sta) + return -ENOMEM; + + sta->dev = sdata->dev; + if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN || + sdata->vif.type == IEEE80211_IF_TYPE_AP) + ieee80211_send_layer2_update(sta); + + sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; + + sta_apply_parameters(local, sta, params); + + rate_control_rate_init(sta, local); + + sta_info_put(sta); + + return 0; +} + +static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, + u8 *mac) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sta_info *sta; + + if (mac) { + /* XXX: get sta belonging to dev */ + sta = sta_info_get(local, mac); + if (!sta) + return -ENOENT; + + sta_info_free(sta); + sta_info_put(sta); + } else + sta_info_flush(local, dev); + + return 0; +} + +static int ieee80211_change_station(struct wiphy *wiphy, + struct net_device *dev, + u8 *mac, + struct station_parameters *params) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sta_info *sta; + struct ieee80211_sub_if_data *vlansdata; + + /* XXX: get sta belonging to dev */ + sta = sta_info_get(local, mac); + if (!sta) + return -ENOENT; + + if (params->vlan && params->vlan != sta->dev) { + vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); + + if (vlansdata->vif.type != IEEE80211_IF_TYPE_VLAN || + vlansdata->vif.type != IEEE80211_IF_TYPE_AP) + return -EINVAL; + + sta->dev = params->vlan; + ieee80211_send_layer2_update(sta); + } + + sta_apply_parameters(local, sta, params); + + sta_info_put(sta); + return 0; } @@ -102,4 +654,15 @@ struct cfg80211_ops mac80211_config_ops = { .add_virtual_intf = ieee80211_add_iface, .del_virtual_intf = ieee80211_del_iface, .change_virtual_intf = ieee80211_change_iface, + .add_key = ieee80211_add_key, + .del_key = ieee80211_del_key, + .get_key = ieee80211_get_key, + .set_default_key = ieee80211_config_default_key, + .add_beacon = ieee80211_add_beacon, + .set_beacon = ieee80211_set_beacon, + .del_beacon = ieee80211_del_beacon, + .add_station = ieee80211_add_station, + .del_station = ieee80211_del_station, + .change_station = ieee80211_change_station, + .get_station = ieee80211_get_station, }; diff --git a/package/mac80211/src/net/mac80211/debugfs.c b/package/mac80211/src/net/mac80211/debugfs.c index 60514b2..4736c64 100644 --- a/package/mac80211/src/net/mac80211/debugfs.c +++ b/package/mac80211/src/net/mac80211/debugfs.c @@ -19,41 +19,6 @@ int mac80211_open_file_generic(struct inode *inode, struct file *file) return 0; } -static const char *ieee80211_mode_str(int mode) -{ - switch (mode) { - case MODE_IEEE80211A: - return "IEEE 802.11a"; - case MODE_IEEE80211B: - return "IEEE 802.11b"; - case MODE_IEEE80211G: - return "IEEE 802.11g"; - default: - return "UNKNOWN"; - } -} - -static ssize_t modes_read(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct ieee80211_local *local = file->private_data; - struct ieee80211_hw_mode *mode; - char buf[150], *p = buf; - - /* FIXME: locking! */ - list_for_each_entry(mode, &local->modes_list, list) { - p += scnprintf(p, sizeof(buf)+buf-p, - "%s\n", ieee80211_mode_str(mode->mode)); - } - - return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf); -} - -static const struct file_operations modes_ops = { - .read = modes_read, - .open = mac80211_open_file_generic, -}; - #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \ static ssize_t name## _read(struct file *file, char __user *userbuf, \ size_t count, loff_t *ppos) \ @@ -80,10 +45,8 @@ static const struct file_operations name## _ops = { \ local->debugfs.name = NULL; -DEBUGFS_READONLY_FILE(channel, 20, "%d", - local->hw.conf.channel); DEBUGFS_READONLY_FILE(frequency, 20, "%d", - local->hw.conf.freq); + local->hw.conf.channel->center_freq); DEBUGFS_READONLY_FILE(antenna_sel_tx, 20, "%d", local->hw.conf.antenna_sel_tx); DEBUGFS_READONLY_FILE(antenna_sel_rx, 20, "%d", @@ -100,8 +63,6 @@ DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d", local->long_retry_limit); DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d", local->total_ps_buffered); -DEBUGFS_READONLY_FILE(mode, 20, "%s", - ieee80211_mode_str(local->hw.conf.phymode)); DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x", local->wep_iv & 0xffffff); DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s", @@ -294,7 +255,6 @@ void debugfs_hw_add(struct ieee80211_local *local) local->debugfs.stations = debugfs_create_dir("stations", phyd); local->debugfs.keys = debugfs_create_dir("keys", phyd); - DEBUGFS_ADD(channel); DEBUGFS_ADD(frequency); DEBUGFS_ADD(antenna_sel_tx); DEBUGFS_ADD(antenna_sel_rx); @@ -304,9 +264,7 @@ void debugfs_hw_add(struct ieee80211_local *local) DEBUGFS_ADD(short_retry_limit); DEBUGFS_ADD(long_retry_limit); DEBUGFS_ADD(total_ps_buffered); - DEBUGFS_ADD(mode); DEBUGFS_ADD(wep_iv); - DEBUGFS_ADD(modes); statsd = debugfs_create_dir("statistics", phyd); local->debugfs.statistics = statsd; @@ -356,7 +314,6 @@ void debugfs_hw_add(struct ieee80211_local *local) void debugfs_hw_del(struct ieee80211_local *local) { - DEBUGFS_DEL(channel); DEBUGFS_DEL(frequency); DEBUGFS_DEL(antenna_sel_tx); DEBUGFS_DEL(antenna_sel_rx); @@ -366,9 +323,7 @@ void debugfs_hw_del(struct ieee80211_local *local) DEBUGFS_DEL(short_retry_limit); DEBUGFS_DEL(long_retry_limit); DEBUGFS_DEL(total_ps_buffered); - DEBUGFS_DEL(mode); DEBUGFS_DEL(wep_iv); - DEBUGFS_DEL(modes); DEBUGFS_STATS_DEL(transmitted_fragment_count); DEBUGFS_STATS_DEL(multicast_transmitted_frame_count); diff --git a/package/mac80211/src/net/mac80211/debugfs_key.c b/package/mac80211/src/net/mac80211/debugfs_key.c index 8e4a1bc..c881524 100644 --- a/package/mac80211/src/net/mac80211/debugfs_key.c +++ b/package/mac80211/src/net/mac80211/debugfs_key.c @@ -262,11 +262,12 @@ void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key, struct sta_info *sta) { char buf[50]; + DECLARE_MAC_BUF(mac); if (!key->debugfs.dir) return; - sprintf(buf, "../../stations/" MAC_FMT, MAC_ARG(sta->addr)); + sprintf(buf, "../../stations/%s", print_mac(mac, sta->addr)); key->debugfs.stalink = debugfs_create_symlink("station", key->debugfs.dir, buf); } diff --git a/package/mac80211/src/net/mac80211/debugfs_netdev.c b/package/mac80211/src/net/mac80211/debugfs_netdev.c index 2b5e761..29f7b98 100644 --- a/package/mac80211/src/net/mac80211/debugfs_netdev.c +++ b/package/mac80211/src/net/mac80211/debugfs_netdev.c @@ -66,7 +66,8 @@ static ssize_t ieee80211_if_fmt_##name( \ const struct ieee80211_sub_if_data *sdata, char *buf, \ int buflen) \ { \ - return scnprintf(buf, buflen, MAC_FMT "\n", MAC_ARG(sdata->field));\ + DECLARE_MAC_BUF(mac); \ + return scnprintf(buf, buflen, "%s\n", print_mac(mac, sdata->field));\ } #define __IEEE80211_IF_FILE(name) \ @@ -90,8 +91,6 @@ static const struct file_operations name##_ops = { \ /* common attributes */ IEEE80211_IF_FILE(channel_use, channel_use, DEC); IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); -IEEE80211_IF_FILE(eapol, eapol, DEC); -IEEE80211_IF_FILE(ieee8021_x, ieee802_1x, DEC); /* STA/IBSS attributes */ IEEE80211_IF_FILE(state, u.sta.state, DEC); @@ -118,13 +117,12 @@ static ssize_t ieee80211_if_fmt_flags( sdata->u.sta.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "", sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "", sdata->u.sta.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "", - sdata->flags & IEEE80211_SDATA_USE_PROTECTION ? "CTS prot\n" : ""); + sdata->bss_conf.use_cts_prot ? "CTS prot\n" : ""); } __IEEE80211_IF_FILE(flags); /* AP attributes */ IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC); -IEEE80211_IF_FILE(dtim_period, u.ap.dtim_period, DEC); IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC); IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC); IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC); @@ -138,26 +136,6 @@ static ssize_t ieee80211_if_fmt_num_buffered_multicast( } __IEEE80211_IF_FILE(num_buffered_multicast); -static ssize_t ieee80211_if_fmt_beacon_head_len( - const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) -{ - if (sdata->u.ap.beacon_head) - return scnprintf(buf, buflen, "%d\n", - sdata->u.ap.beacon_head_len); - return scnprintf(buf, buflen, "\n"); -} -__IEEE80211_IF_FILE(beacon_head_len); - -static ssize_t ieee80211_if_fmt_beacon_tail_len( - const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) -{ - if (sdata->u.ap.beacon_tail) - return scnprintf(buf, buflen, "%d\n", - sdata->u.ap.beacon_tail_len); - return scnprintf(buf, buflen, "\n"); -} -__IEEE80211_IF_FILE(beacon_tail_len); - /* WDS attributes */ IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); @@ -169,8 +147,6 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_ADD(channel_use, sta); DEBUGFS_ADD(drop_unencrypted, sta); - DEBUGFS_ADD(eapol, sta); - DEBUGFS_ADD(ieee8021_x, sta); DEBUGFS_ADD(state, sta); DEBUGFS_ADD(bssid, sta); DEBUGFS_ADD(prev_bssid, sta); @@ -191,25 +167,18 @@ static void add_ap_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_ADD(channel_use, ap); DEBUGFS_ADD(drop_unencrypted, ap); - DEBUGFS_ADD(eapol, ap); - DEBUGFS_ADD(ieee8021_x, ap); DEBUGFS_ADD(num_sta_ps, ap); - DEBUGFS_ADD(dtim_period, ap); DEBUGFS_ADD(dtim_count, ap); DEBUGFS_ADD(num_beacons, ap); DEBUGFS_ADD(force_unicast_rateidx, ap); DEBUGFS_ADD(max_ratectrl_rateidx, ap); DEBUGFS_ADD(num_buffered_multicast, ap); - DEBUGFS_ADD(beacon_head_len, ap); - DEBUGFS_ADD(beacon_tail_len, ap); } static void add_wds_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_ADD(channel_use, wds); DEBUGFS_ADD(drop_unencrypted, wds); - DEBUGFS_ADD(eapol, wds); - DEBUGFS_ADD(ieee8021_x, wds); DEBUGFS_ADD(peer, wds); } @@ -217,8 +186,6 @@ static void add_vlan_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_ADD(channel_use, vlan); DEBUGFS_ADD(drop_unencrypted, vlan); - DEBUGFS_ADD(eapol, vlan); - DEBUGFS_ADD(ieee8021_x, vlan); } static void add_monitor_files(struct ieee80211_sub_if_data *sdata) @@ -230,7 +197,7 @@ static void add_files(struct ieee80211_sub_if_data *sdata) if (!sdata->debugfsdir) return; - switch (sdata->type) { + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: add_sta_files(sdata); @@ -262,8 +229,6 @@ static void del_sta_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_DEL(channel_use, sta); DEBUGFS_DEL(drop_unencrypted, sta); - DEBUGFS_DEL(eapol, sta); - DEBUGFS_DEL(ieee8021_x, sta); DEBUGFS_DEL(state, sta); DEBUGFS_DEL(bssid, sta); DEBUGFS_DEL(prev_bssid, sta); @@ -284,25 +249,18 @@ static void del_ap_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_DEL(channel_use, ap); DEBUGFS_DEL(drop_unencrypted, ap); - DEBUGFS_DEL(eapol, ap); - DEBUGFS_DEL(ieee8021_x, ap); DEBUGFS_DEL(num_sta_ps, ap); - DEBUGFS_DEL(dtim_period, ap); DEBUGFS_DEL(dtim_count, ap); DEBUGFS_DEL(num_beacons, ap); DEBUGFS_DEL(force_unicast_rateidx, ap); DEBUGFS_DEL(max_ratectrl_rateidx, ap); DEBUGFS_DEL(num_buffered_multicast, ap); - DEBUGFS_DEL(beacon_head_len, ap); - DEBUGFS_DEL(beacon_tail_len, ap); } static void del_wds_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_DEL(channel_use, wds); DEBUGFS_DEL(drop_unencrypted, wds); - DEBUGFS_DEL(eapol, wds); - DEBUGFS_DEL(ieee8021_x, wds); DEBUGFS_DEL(peer, wds); } @@ -310,8 +268,6 @@ static void del_vlan_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_DEL(channel_use, vlan); DEBUGFS_DEL(drop_unencrypted, vlan); - DEBUGFS_DEL(eapol, vlan); - DEBUGFS_DEL(ieee8021_x, vlan); } static void del_monitor_files(struct ieee80211_sub_if_data *sdata) @@ -361,7 +317,7 @@ void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) { - del_files(sdata, sdata->type); + del_files(sdata, sdata->vif.type); debugfs_remove(sdata->debugfsdir); sdata->debugfsdir = NULL; } diff --git a/package/mac80211/src/net/mac80211/debugfs_sta.c b/package/mac80211/src/net/mac80211/debugfs_sta.c index 4ea0ea7..ac61353 100644 --- a/package/mac80211/src/net/mac80211/debugfs_sta.c +++ b/package/mac80211/src/net/mac80211/debugfs_sta.c @@ -33,25 +33,16 @@ static ssize_t sta_ ##name## _read(struct file *file, \ #define STA_READ_LU(name, field) STA_READ(name, 20, field, "%lu\n") #define STA_READ_S(name, field) STA_READ(name, 20, field, "%s\n") -#define STA_READ_RATE(name, field) \ -static ssize_t sta_##name##_read(struct file *file, \ - char __user *userbuf, \ - size_t count, loff_t *ppos) \ -{ \ - struct sta_info *sta = file->private_data; \ - struct ieee80211_local *local = wdev_priv(sta->dev->ieee80211_ptr);\ - struct ieee80211_hw_mode *mode = local->oper_hw_mode; \ - char buf[20]; \ - int res = scnprintf(buf, sizeof(buf), "%d\n", \ - (sta->field >= 0 && \ - sta->field < mode->num_rates) ? \ - mode->rates[sta->field].rate : -1); \ - return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ +#define STA_OPS(name) \ +static const struct file_operations sta_ ##name## _ops = { \ + .read = sta_##name##_read, \ + .open = mac80211_open_file_generic, \ } -#define STA_OPS(name) \ +#define STA_OPS_WR(name) \ static const struct file_operations sta_ ##name## _ops = { \ .read = sta_##name##_read, \ + .write = sta_##name##_write, \ .open = mac80211_open_file_generic, \ } @@ -70,8 +61,6 @@ STA_FILE(rx_fragments, rx_fragments, LU); STA_FILE(rx_dropped, rx_dropped, LU); STA_FILE(tx_fragments, tx_fragments, LU); STA_FILE(tx_filtered, tx_filtered_count, LU); -STA_FILE(txrate, txrate, RATE); -STA_FILE(last_txrate, last_txrate, RATE); STA_FILE(tx_retry_failed, tx_retry_failed, LU); STA_FILE(tx_retry_count, tx_retry_count, LU); STA_FILE(last_rssi, last_rssi, D); @@ -85,12 +74,11 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf, { char buf[100]; struct sta_info *sta = file->private_data; - int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s", + int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s", sta->flags & WLAN_STA_AUTH ? "AUTH\n" : "", sta->flags & WLAN_STA_ASSOC ? "ASSOC\n" : "", sta->flags & WLAN_STA_PS ? "PS\n" : "", sta->flags & WLAN_STA_TIM ? "TIM\n" : "", - sta->flags & WLAN_STA_PERM ? "PERM\n" : "", sta->flags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "", sta->flags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "", sta->flags & WLAN_STA_WME ? "WME\n" : "", @@ -191,6 +179,113 @@ static ssize_t sta_wme_tx_queue_read(struct file *file, char __user *userbuf, STA_OPS(wme_tx_queue); #endif +static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char buf[768], *p = buf; + int i; + struct sta_info *sta = file->private_data; + p += scnprintf(p, sizeof(buf)+buf-p, "Agg state for STA is:\n"); + p += scnprintf(p, sizeof(buf)+buf-p, " STA next dialog_token is %d \n " + "TIDs info is: \n TID :", + (sta->ampdu_mlme.dialog_token_allocator + 1)); + for (i = 0; i < STA_TID_NUM; i++) + p += scnprintf(p, sizeof(buf)+buf-p, "%5d", i); + + p += scnprintf(p, sizeof(buf)+buf-p, "\n RX :"); + for (i = 0; i < STA_TID_NUM; i++) + p += scnprintf(p, sizeof(buf)+buf-p, "%5d", + sta->ampdu_mlme.tid_rx[i].state); + + p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:"); + for (i = 0; i < STA_TID_NUM; i++) + p += scnprintf(p, sizeof(buf)+buf-p, "%5d", + sta->ampdu_mlme.tid_rx[i].dialog_token); + + p += scnprintf(p, sizeof(buf)+buf-p, "\n TX :"); + for (i = 0; i < STA_TID_NUM; i++) + p += scnprintf(p, sizeof(buf)+buf-p, "%5d", + sta->ampdu_mlme.tid_tx[i].state); + + p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:"); + for (i = 0; i < STA_TID_NUM; i++) + p += scnprintf(p, sizeof(buf)+buf-p, "%5d", + sta->ampdu_mlme.tid_tx[i].dialog_token); + + p += scnprintf(p, sizeof(buf)+buf-p, "\n SSN :"); + for (i = 0; i < STA_TID_NUM; i++) + p += scnprintf(p, sizeof(buf)+buf-p, "%5d", + sta->ampdu_mlme.tid_tx[i].ssn); + + p += scnprintf(p, sizeof(buf)+buf-p, "\n"); + + return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); +} + +static ssize_t sta_agg_status_write(struct file *file, + const char __user *user_buf, size_t count, loff_t *ppos) +{ + struct sta_info *sta = file->private_data; + struct net_device *dev = sta->dev; + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_hw *hw = &local->hw; + u8 *da = sta->addr; + static int tid_static_tx[16] = {0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0}; + static int tid_static_rx[16] = {1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1}; + char *endp; + char buf[32]; + int buf_size, rs; + unsigned int tid_num; + char state[4]; + + memset(buf, 0x00, sizeof(buf)); + buf_size = min(count, (sizeof(buf)-1)); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + tid_num = simple_strtoul(buf, &endp, 0); + if (endp == buf) + return -EINVAL; + + if ((tid_num >= 100) && (tid_num <= 115)) { + /* toggle Rx aggregation command */ + tid_num = tid_num - 100; + if (tid_static_rx[tid_num] == 1) { + strcpy(state, "off "); + ieee80211_sta_stop_rx_ba_session(dev, da, tid_num, 0, + WLAN_REASON_QSTA_REQUIRE_SETUP); + sta->ampdu_mlme.tid_rx[tid_num].buf_size = 0xFF; + tid_static_rx[tid_num] = 0; + } else { + strcpy(state, "on "); + sta->ampdu_mlme.tid_rx[tid_num].buf_size = 0x00; + tid_static_rx[tid_num] = 1; + } + printk(KERN_DEBUG "debugfs - try switching tid %u %s\n", + tid_num, state); + } else if ((tid_num >= 0) && (tid_num <= 15)) { + /* toggle Tx aggregation command */ + if (tid_static_tx[tid_num] == 0) { + strcpy(state, "on "); + rs = ieee80211_start_tx_ba_session(hw, da, tid_num); + if (rs == 0) + tid_static_tx[tid_num] = 1; + } else { + strcpy(state, "off"); + rs = ieee80211_stop_tx_ba_session(hw, da, tid_num, 1); + if (rs == 0) + tid_static_tx[tid_num] = 0; + } + printk(KERN_DEBUG "debugfs - switching tid %u %s, return=%d\n", + tid_num, state, rs); + } + + return count; +} +STA_OPS_WR(agg_status); + #define DEBUGFS_ADD(name) \ sta->debugfs.name = debugfs_create_file(#name, 0444, \ sta->debugfs.dir, sta, &sta_ ##name## _ops); @@ -202,15 +297,15 @@ STA_OPS(wme_tx_queue); void ieee80211_sta_debugfs_add(struct sta_info *sta) { - char buf[3*6]; struct dentry *stations_dir = sta->local->debugfs.stations; + DECLARE_MAC_BUF(mac); if (!stations_dir) return; - sprintf(buf, MAC_FMT, MAC_ARG(sta->addr)); + print_mac(mac, sta->addr); - sta->debugfs.dir = debugfs_create_dir(buf, stations_dir); + sta->debugfs.dir = debugfs_create_dir(mac, stations_dir); if (!sta->debugfs.dir) return; @@ -224,6 +319,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) DEBUGFS_ADD(wme_rx_queue); DEBUGFS_ADD(wme_tx_queue); #endif + DEBUGFS_ADD(agg_status); } void ieee80211_sta_debugfs_remove(struct sta_info *sta) @@ -238,6 +334,7 @@ void ieee80211_sta_debugfs_remove(struct sta_info *sta) DEBUGFS_DEL(wme_rx_queue); DEBUGFS_DEL(wme_tx_queue); #endif + DEBUGFS_DEL(agg_status); debugfs_remove(sta->debugfs.dir); sta->debugfs.dir = NULL; diff --git a/package/mac80211/src/net/mac80211/event.c b/package/mac80211/src/net/mac80211/event.c index 68a526c..2280f40 100644 --- a/package/mac80211/src/net/mac80211/event.c +++ b/package/mac80211/src/net/mac80211/event.c @@ -22,13 +22,14 @@ void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx, { union iwreq_data wrqu; char *buf = kmalloc(128, GFP_ATOMIC); + DECLARE_MAC_BUF(mac); if (buf) { /* TODO: needed parameters: count, key type, TSC */ sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" - "keyid=%d %scast addr=" MAC_FMT ")", + "keyid=%d %scast addr=%s)", keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni", - MAC_ARG(hdr->addr2)); + print_mac(mac, hdr->addr2)); memset(&wrqu, 0, sizeof(wrqu)); wrqu.data.length = strlen(buf); wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); diff --git a/package/mac80211/src/net/mac80211/ieee80211.c b/package/mac80211/src/net/mac80211/ieee80211.c index 64fa720..1a0171d 100644 --- a/package/mac80211/src/net/mac80211/ieee80211.c +++ b/package/mac80211/src/net/mac80211/ieee80211.c @@ -21,6 +21,7 @@ #include <linux/wireless.h> #include <linux/rtnetlink.h> #include <linux/bitmap.h> +#include <net/net_namespace.h> #include <net/cfg80211.h> #include "ieee80211_i.h" @@ -33,6 +34,8 @@ #include "debugfs.h" #include "debugfs_netdev.h" +#define SUPP_MCS_SET_LEN 16 + /* * For seeing transmitted packets on monitor interfaces * we have a radiotap header too. @@ -45,7 +48,7 @@ struct ieee80211_tx_status_rtap_hdr { /* common interface routines */ -static int header_parse_80211(struct sk_buff *skb, unsigned char *haddr) +static int header_parse_80211(const struct sk_buff *skb, unsigned char *haddr) { memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */ return ETH_ALEN; @@ -64,9 +67,19 @@ static void ieee80211_configure_filter(struct ieee80211_local *local) new_flags |= FIF_ALLMULTI; if (local->monitors) - new_flags |= FIF_CONTROL | - FIF_OTHER_BSS | - FIF_BCN_PRBRESP_PROMISC; + new_flags |= FIF_BCN_PRBRESP_PROMISC; + + if (local->fif_fcsfail) + new_flags |= FIF_FCSFAIL; + + if (local->fif_plcpfail) + new_flags |= FIF_PLCPFAIL; + + if (local->fif_control) + new_flags |= FIF_CONTROL; + + if (local->fif_other_bss) + new_flags |= FIF_OTHER_BSS; changed_flags = local->filter_flags ^ new_flags; @@ -174,21 +187,21 @@ static int ieee80211_open(struct net_device *dev) /* * check whether it may have the same address */ - if (!identical_mac_addr_allowed(sdata->type, - nsdata->type)) + if (!identical_mac_addr_allowed(sdata->vif.type, + nsdata->vif.type)) return -ENOTUNIQ; /* * can only add VLANs to enabled APs */ - if (sdata->type == IEEE80211_IF_TYPE_VLAN && - nsdata->type == IEEE80211_IF_TYPE_AP && + if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN && + nsdata->vif.type == IEEE80211_IF_TYPE_AP && netif_running(nsdata->dev)) sdata->u.vlan.ap = nsdata; } } - switch (sdata->type) { + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_WDS: if (is_zero_ether_addr(sdata->u.wds.remote_addr)) return -ENOLINK; @@ -215,32 +228,46 @@ static int ieee80211_open(struct net_device *dev) res = local->ops->start(local_to_hw(local)); if (res) return res; + ieee80211_hw_config(local); + ieee80211_led_radio(local, local->hw.conf.radio_enabled); } - switch (sdata->type) { + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_VLAN: list_add(&sdata->u.vlan.list, &sdata->u.vlan.ap->u.ap.vlans); /* no need to tell driver */ break; case IEEE80211_IF_TYPE_MNTR: + if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) { + local->cooked_mntrs++; + break; + } + /* must be before the call to ieee80211_configure_filter */ local->monitors++; - if (local->monitors == 1) { - netif_tx_lock_bh(local->mdev); - ieee80211_configure_filter(local); - netif_tx_unlock_bh(local->mdev); - + if (local->monitors == 1) local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP; - ieee80211_hw_config(local); - } + + if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL) + local->fif_fcsfail++; + if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL) + local->fif_plcpfail++; + if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL) + local->fif_control++; + if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS) + local->fif_other_bss++; + + netif_tx_lock_bh(local->mdev); + ieee80211_configure_filter(local); + netif_tx_unlock_bh(local->mdev); break; case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: sdata->u.sta.flags &= ~IEEE80211_STA_PREV_BSSID_SET; /* fall through */ default: - conf.if_id = dev->ifindex; - conf.type = sdata->type; + conf.vif = &sdata->vif; + conf.type = sdata->vif.type; conf.mac_addr = dev->dev_addr; res = local->ops->add_interface(local_to_hw(local), &conf); if (res && !local->open_count && local->ops->stop) @@ -252,7 +279,7 @@ static int ieee80211_open(struct net_device *dev) ieee80211_reset_erp_info(dev); ieee80211_enable_keys(sdata); - if (sdata->type == IEEE80211_IF_TYPE_STA && + if (sdata->vif.type == IEEE80211_IF_TYPE_STA && !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)) netif_carrier_off(dev); else @@ -266,6 +293,17 @@ static int ieee80211_open(struct net_device *dev) tasklet_enable(&local->tasklet); } + /* + * set_multicast_list will be invoked by the networking core + * which will check whether any increments here were done in + * error and sync them down to the hardware as filter flags. + */ + if (sdata->flags & IEEE80211_SDATA_ALLMULTI) + atomic_inc(&local->iff_allmultis); + + if (sdata->flags & IEEE80211_SDATA_PROMISC) + atomic_inc(&local->iff_promiscs); + local->open_count++; netif_start_queue(dev); @@ -278,17 +316,47 @@ static int ieee80211_stop(struct net_device *dev) struct ieee80211_sub_if_data *sdata; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_if_init_conf conf; + struct sta_info *sta; + int i; sdata = IEEE80211_DEV_TO_SUB_IF(dev); + list_for_each_entry(sta, &local->sta_list, list) { + if (sta->dev == dev) + for (i = 0; i < STA_TID_NUM; i++) + ieee80211_sta_stop_rx_ba_session(sta->dev, + sta->addr, i, + WLAN_BACK_RECIPIENT, + WLAN_REASON_QSTA_LEAVE_QBSS); + } + netif_stop_queue(dev); + /* + * Don't count this interface for promisc/allmulti while it + * is down. dev_mc_unsync() will invoke set_multicast_list + * on the master interface which will sync these down to the + * hardware as filter flags. + */ + if (sdata->flags & IEEE80211_SDATA_ALLMULTI) + atomic_dec(&local->iff_allmultis); + + if (sdata->flags & IEEE80211_SDATA_PROMISC) + atomic_dec(&local->iff_promiscs); + dev_mc_unsync(local->mdev, dev); - /* down all dependent devices, that is VLANs */ - if (sdata->type == IEEE80211_IF_TYPE_AP) { + /* APs need special treatment */ + if (sdata->vif.type == IEEE80211_IF_TYPE_AP) { struct ieee80211_sub_if_data *vlan, *tmp; + struct beacon_data *old_beacon = sdata->u.ap.beacon; + + /* remove beacon */ + rcu_assign_pointer(sdata->u.ap.beacon, NULL); + synchronize_rcu(); + kfree(old_beacon); + /* down all dependent devices, that is VLANs */ list_for_each_entry_safe(vlan, tmp, &sdata->u.ap.vlans, u.vlan.list) dev_close(vlan->dev); @@ -297,22 +365,34 @@ static int ieee80211_stop(struct net_device *dev) local->open_count--; - switch (sdata->type) { + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_VLAN: list_del(&sdata->u.vlan.list); sdata->u.vlan.ap = NULL; /* no need to tell driver */ break; case IEEE80211_IF_TYPE_MNTR: - local->monitors--; - if (local->monitors == 0) { - netif_tx_lock_bh(local->mdev); - ieee80211_configure_filter(local); - netif_tx_unlock_bh(local->mdev); - - local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP; - ieee80211_hw_config(local); + if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) { + local->cooked_mntrs--; + break; } + + local->monitors--; + if (local->monitors == 0) + local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP; + + if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL) + local->fif_fcsfail--; + if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL) + local->fif_plcpfail--; + if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL) + local->fif_control--; + if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS) + local->fif_other_bss--; + + netif_tx_lock_bh(local->mdev); + ieee80211_configure_filter(local); + netif_tx_unlock_bh(local->mdev); break; case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: @@ -327,16 +407,24 @@ static int ieee80211_stop(struct net_device *dev) synchronize_rcu(); skb_queue_purge(&sdata->u.sta.skb_queue); - if (!local->ops->hw_scan && - local->scan_dev == sdata->dev) { - local->sta_scanning = 0; - cancel_delayed_work(&local->scan_work); + if (local->scan_dev == sdata->dev) { + if (!local->ops->hw_scan) { + local->sta_sw_scanning = 0; + cancel_delayed_work(&local->scan_work); + } else + local->sta_hw_scanning = 0; } + flush_workqueue(local->hw.workqueue); + + sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED; + kfree(sdata->u.sta.extra_ie); + sdata->u.sta.extra_ie = NULL; + sdata->u.sta.extra_ie_len = 0; /* fall through */ default: - conf.if_id = dev->ifindex; - conf.type = sdata->type; + conf.vif = &sdata->vif; + conf.type = sdata->vif.type; conf.mac_addr = dev->dev_addr; /* disable all keys for as long as this netdev is down */ ieee80211_disable_keys(sdata); @@ -350,6 +438,8 @@ static int ieee80211_stop(struct net_device *dev) if (local->ops->stop) local->ops->stop(local_to_hw(local)); + ieee80211_led_radio(local, 0); + tasklet_disable(&local->tx_pending_tasklet); tasklet_disable(&local->tasklet); } @@ -357,6 +447,329 @@ static int ieee80211_stop(struct net_device *dev) return 0; } +int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct sta_info *sta; + struct ieee80211_sub_if_data *sdata; + u16 start_seq_num = 0; + u8 *state; + int ret; + DECLARE_MAC_BUF(mac); + + if (tid >= STA_TID_NUM) + return -EINVAL; + +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "Open BA session requested for %s tid %u\n", + print_mac(mac, ra), tid); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + + sta = sta_info_get(local, ra); + if (!sta) { + printk(KERN_DEBUG "Could not find the station\n"); + return -ENOENT; + } + + spin_lock_bh(&sta->ampdu_mlme.ampdu_tx); + + /* we have tried too many times, receiver does not want A-MPDU */ + if (sta->ampdu_mlme.tid_tx[tid].addba_req_num > HT_AGG_MAX_RETRIES) { + ret = -EBUSY; + goto start_ba_exit; + } + + state = &sta->ampdu_mlme.tid_tx[tid].state; + /* check if the TID is not in aggregation flow already */ + if (*state != HT_AGG_STATE_IDLE) { +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "BA request denied - session is not " + "idle on tid %u\n", tid); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + ret = -EAGAIN; + goto start_ba_exit; + } + + /* ensure that TX flow won't interrupt us + * until the end of the call to requeue function */ + spin_lock_bh(&local->mdev->queue_lock); + + /* create a new queue for this aggregation */ + ret = ieee80211_ht_agg_queue_add(local, sta, tid); + + /* case no queue is available to aggregation + * don't switch to aggregation */ + if (ret) { +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "BA request denied - no queue available for" + " tid %d\n", tid); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + spin_unlock_bh(&local->mdev->queue_lock); + goto start_ba_exit; + } + sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + + /* Ok, the Addba frame hasn't been sent yet, but if the driver calls the + * call back right away, it must see that the flow has begun */ + *state |= HT_ADDBA_REQUESTED_MSK; + + if (local->ops->ampdu_action) + ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_TX_START, + ra, tid, &start_seq_num); + + if (ret) { + /* No need to requeue the packets in the agg queue, since we + * held the tx lock: no packet could be enqueued to the newly + * allocated queue */ + ieee80211_ht_agg_queue_remove(local, sta, tid, 0); +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "BA request denied - HW or queue unavailable" + " for tid %d\n", tid); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + spin_unlock_bh(&local->mdev->queue_lock); + *state = HT_AGG_STATE_IDLE; + goto start_ba_exit; + } + + /* Will put all the packets in the new SW queue */ + ieee80211_requeue(local, ieee802_1d_to_ac[tid]); + spin_unlock_bh(&local->mdev->queue_lock); + + /* We have most probably almost emptied the legacy queue */ + /* ieee80211_wake_queue(local_to_hw(local), ieee802_1d_to_ac[tid]); */ + + /* send an addBA request */ + sta->ampdu_mlme.dialog_token_allocator++; + sta->ampdu_mlme.tid_tx[tid].dialog_token = + sta->ampdu_mlme.dialog_token_allocator; + sta->ampdu_mlme.tid_tx[tid].ssn = start_seq_num; + + ieee80211_send_addba_request(sta->dev, ra, tid, + sta->ampdu_mlme.tid_tx[tid].dialog_token, + sta->ampdu_mlme.tid_tx[tid].ssn, + 0x40, 5000); + + /* activate the timer for the recipient's addBA response */ + sta->ampdu_mlme.tid_tx[tid].addba_resp_timer.expires = + jiffies + ADDBA_RESP_INTERVAL; + add_timer(&sta->ampdu_mlme.tid_tx[tid].addba_resp_timer); + printk(KERN_DEBUG "activated addBA response timer on tid %d\n", tid); + +start_ba_exit: + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + sta_info_put(sta); + return ret; +} +EXPORT_SYMBOL(ieee80211_start_tx_ba_session); + +int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw, + u8 *ra, u16 tid, + enum ieee80211_back_parties initiator) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct sta_info *sta; + u8 *state; + int ret = 0; + DECLARE_MAC_BUF(mac); + + if (tid >= STA_TID_NUM) + return -EINVAL; + +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "Stop a BA session requested for %s tid %u\n", + print_mac(mac, ra), tid); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + + sta = sta_info_get(local, ra); + if (!sta) + return -ENOENT; + + /* check if the TID is in aggregation */ + state = &sta->ampdu_mlme.tid_tx[tid].state; + spin_lock_bh(&sta->ampdu_mlme.ampdu_tx); + + if (*state != HT_AGG_STATE_OPERATIONAL) { +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "Try to stop Tx aggregation on" + " non active TID\n"); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + ret = -ENOENT; + goto stop_BA_exit; + } + + ieee80211_stop_queue(hw, sta->tid_to_tx_q[tid]); + + *state = HT_AGG_STATE_REQ_STOP_BA_MSK | + (initiator << HT_AGG_STATE_INITIATOR_SHIFT); + + if (local->ops->ampdu_action) + ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_TX_STOP, + ra, tid, NULL); + + /* case HW denied going back to legacy */ + if (ret) { + WARN_ON(ret != -EBUSY); + *state = HT_AGG_STATE_OPERATIONAL; + ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]); + goto stop_BA_exit; + } + +stop_BA_exit: + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + sta_info_put(sta); + return ret; +} +EXPORT_SYMBOL(ieee80211_stop_tx_ba_session); + +void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct sta_info *sta; + u8 *state; + DECLARE_MAC_BUF(mac); + + if (tid >= STA_TID_NUM) { + printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n", + tid, STA_TID_NUM); + return; + } + + sta = sta_info_get(local, ra); + if (!sta) { + printk(KERN_DEBUG "Could not find station: %s\n", + print_mac(mac, ra)); + return; + } + + state = &sta->ampdu_mlme.tid_tx[tid].state; + spin_lock_bh(&sta->ampdu_mlme.ampdu_tx); + + if (!(*state & HT_ADDBA_REQUESTED_MSK)) { + printk(KERN_DEBUG "addBA was not requested yet, state is %d\n", + *state); + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + sta_info_put(sta); + return; + } + + WARN_ON_ONCE(*state & HT_ADDBA_DRV_READY_MSK); + + *state |= HT_ADDBA_DRV_READY_MSK; + + if (*state == HT_AGG_STATE_OPERATIONAL) { + printk(KERN_DEBUG "Aggregation is on for tid %d \n", tid); + ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]); + } + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + sta_info_put(sta); +} +EXPORT_SYMBOL(ieee80211_start_tx_ba_cb); + +void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct sta_info *sta; + u8 *state; + int agg_queue; + DECLARE_MAC_BUF(mac); + + if (tid >= STA_TID_NUM) { + printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n", + tid, STA_TID_NUM); + return; + } + + printk(KERN_DEBUG "Stop a BA session requested on DA %s tid %d\n", + print_mac(mac, ra), tid); + + sta = sta_info_get(local, ra); + if (!sta) { + printk(KERN_DEBUG "Could not find station: %s\n", + print_mac(mac, ra)); + return; + } + state = &sta->ampdu_mlme.tid_tx[tid].state; + + spin_lock_bh(&sta->ampdu_mlme.ampdu_tx); + if ((*state & HT_AGG_STATE_REQ_STOP_BA_MSK) == 0) { + printk(KERN_DEBUG "unexpected callback to A-MPDU stop\n"); + sta_info_put(sta); + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + return; + } + + if (*state & HT_AGG_STATE_INITIATOR_MSK) + ieee80211_send_delba(sta->dev, ra, tid, + WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE); + + agg_queue = sta->tid_to_tx_q[tid]; + + /* avoid ordering issues: we are the only one that can modify + * the content of the qdiscs */ + spin_lock_bh(&local->mdev->queue_lock); + /* remove the queue for this aggregation */ + ieee80211_ht_agg_queue_remove(local, sta, tid, 1); + spin_unlock_bh(&local->mdev->queue_lock); + + /* we just requeued the all the frames that were in the removed + * queue, and since we might miss a softirq we do netif_schedule. + * ieee80211_wake_queue is not used here as this queue is not + * necessarily stopped */ + netif_schedule(local->mdev); + *state = HT_AGG_STATE_IDLE; + sta->ampdu_mlme.tid_tx[tid].addba_req_num = 0; + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + + sta_info_put(sta); +} +EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb); + +void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, + const u8 *ra, u16 tid) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct ieee80211_ra_tid *ra_tid; + struct sk_buff *skb = dev_alloc_skb(0); + + if (unlikely(!skb)) { + if (net_ratelimit()) + printk(KERN_WARNING "%s: Not enough memory, " + "dropping start BA session", skb->dev->name); + return; + } + ra_tid = (struct ieee80211_ra_tid *) &skb->cb; + memcpy(&ra_tid->ra, ra, ETH_ALEN); + ra_tid->tid = tid; + + skb->pkt_type = IEEE80211_ADDBA_MSG; + skb_queue_tail(&local->skb_queue, skb); + tasklet_schedule(&local->tasklet); +} +EXPORT_SYMBOL(ieee80211_start_tx_ba_cb_irqsafe); + +void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, + const u8 *ra, u16 tid) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct ieee80211_ra_tid *ra_tid; + struct sk_buff *skb = dev_alloc_skb(0); + + if (unlikely(!skb)) { + if (net_ratelimit()) + printk(KERN_WARNING "%s: Not enough memory, " + "dropping stop BA session", skb->dev->name); + return; + } + ra_tid = (struct ieee80211_ra_tid *) &skb->cb; + memcpy(&ra_tid->ra, ra, ETH_ALEN); + ra_tid->tid = tid; + + skb->pkt_type = IEEE80211_DELBA_MSG; + skb_queue_tail(&local->skb_queue, skb); + tasklet_schedule(&local->tasklet); +} +EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb_irqsafe); + static void ieee80211_set_multicast_list(struct net_device *dev) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); @@ -365,8 +778,8 @@ static void ieee80211_set_multicast_list(struct net_device *dev) allmulti = !!(dev->flags & IFF_ALLMULTI); promisc = !!(dev->flags & IFF_PROMISC); - sdata_allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI; - sdata_promisc = sdata->flags & IEEE80211_SDATA_PROMISC; + sdata_allmulti = !!(sdata->flags & IEEE80211_SDATA_ALLMULTI); + sdata_promisc = !!(sdata->flags & IEEE80211_SDATA_PROMISC); if (allmulti != sdata_allmulti) { if (dev->flags & IFF_ALLMULTI) @@ -387,6 +800,14 @@ static void ieee80211_set_multicast_list(struct net_device *dev) dev_mc_sync(local->mdev, dev); } +static const struct header_ops ieee80211_header_ops = { + .create = eth_header, + .parse = header_parse_80211, + .rebuild = eth_rebuild_header, + .cache = eth_header_cache, + .cache_update = eth_header_cache_update, +}; + /* Must not be called for mdev */ void ieee80211_if_setup(struct net_device *dev) { @@ -407,6 +828,7 @@ int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr) struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct sta_info *sta; + DECLARE_MAC_BUF(mac); if (compare_ether_addr(remote_addr, sdata->u.wds.remote_addr) == 0) return 0; @@ -415,6 +837,9 @@ int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr) sta = sta_info_add(local, dev, remote_addr, GFP_KERNEL); if (!sta) return -ENOMEM; + + sta->flags |= WLAN_STA_AUTHORIZED; + sta_info_put(sta); /* Remove STA entry for the old peer */ @@ -424,8 +849,8 @@ int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr) sta_info_put(sta); } else { printk(KERN_DEBUG "%s: could not find STA entry for WDS link " - "peer " MAC_FMT "\n", - dev->name, MAC_ARG(sdata->u.wds.remote_addr)); + "peer %s\n", + dev->name, print_mac(mac, sdata->u.wds.remote_addr)); } /* Update WDS link data */ @@ -448,20 +873,20 @@ static int __ieee80211_if_config(struct net_device *dev, return 0; memset(&conf, 0, sizeof(conf)); - conf.type = sdata->type; - if (sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) { + conf.type = sdata->vif.type; + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { conf.bssid = sdata->u.sta.bssid; conf.ssid = sdata->u.sta.ssid; conf.ssid_len = sdata->u.sta.ssid_len; - } else if (sdata->type == IEEE80211_IF_TYPE_AP) { + } else if (sdata->vif.type == IEEE80211_IF_TYPE_AP) { conf.ssid = sdata->u.ap.ssid; conf.ssid_len = sdata->u.ap.ssid_len; conf.beacon = beacon; conf.beacon_control = control; } return local->ops->config_interface(local_to_hw(local), - dev->ifindex, &conf); + &sdata->vif, &conf); } int ieee80211_if_config(struct net_device *dev) @@ -473,11 +898,13 @@ int ieee80211_if_config_beacon(struct net_device *dev) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_tx_control control; + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct sk_buff *skb; if (!(local->hw.flags & IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE)) return 0; - skb = ieee80211_beacon_get(local_to_hw(local), dev->ifindex, &control); + skb = ieee80211_beacon_get(local_to_hw(local), &sdata->vif, + &control); if (!skb) return -ENOMEM; return __ieee80211_if_config(dev, skb, &control); @@ -485,37 +912,28 @@ int ieee80211_if_config_beacon(struct net_device *dev) int ieee80211_hw_config(struct ieee80211_local *local) { - struct ieee80211_hw_mode *mode; struct ieee80211_channel *chan; int ret = 0; - if (local->sta_scanning) { + if (local->sta_sw_scanning) chan = local->scan_channel; - mode = local->scan_hw_mode; - } else { + else chan = local->oper_channel; - mode = local->oper_hw_mode; - } - local->hw.conf.channel = chan->chan; - local->hw.conf.channel_val = chan->val; - if (!local->hw.conf.power_level) { - local->hw.conf.power_level = chan->power_level; - } else { - local->hw.conf.power_level = min(chan->power_level, - local->hw.conf.power_level); - } - local->hw.conf.freq = chan->freq; - local->hw.conf.phymode = mode->mode; - local->hw.conf.antenna_max = chan->antenna_max; - local->hw.conf.chan = chan; - local->hw.conf.mode = mode; + local->hw.conf.channel = chan; + + if (!local->hw.conf.power_level) + local->hw.conf.power_level = chan->max_power; + else + local->hw.conf.power_level = min(chan->max_power, + local->hw.conf.power_level); + + local->hw.conf.max_antenna_gain = chan->max_antenna_gain; #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "HW CONFIG: channel=%d freq=%d " - "phymode=%d\n", local->hw.conf.channel, local->hw.conf.freq, - local->hw.conf.phymode); -#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ + printk(KERN_DEBUG "%s: HW CONFIG: freq=%d\n", + wiphy_name(local->hw.wiphy), chan->center_freq); +#endif if (local->open_count) ret = local->ops->config(local_to_hw(local), &local->hw.conf); @@ -523,25 +941,81 @@ int ieee80211_hw_config(struct ieee80211_local *local) return ret; } -void ieee80211_erp_info_change_notify(struct net_device *dev, u8 changes) +/** + * ieee80211_hw_config_ht should be used only after legacy configuration + * has been determined, as ht configuration depends upon the hardware's + * HT abilities for a _specific_ band. + */ +int ieee80211_hw_config_ht(struct ieee80211_local *local, int enable_ht, + struct ieee80211_ht_info *req_ht_cap, + struct ieee80211_ht_bss_info *req_bss_cap) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (local->ops->erp_ie_changed) - local->ops->erp_ie_changed(local_to_hw(local), changes, - !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION), - !(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE)); + struct ieee80211_conf *conf = &local->hw.conf; + struct ieee80211_supported_band *sband; + int i; + + sband = local->hw.wiphy->bands[conf->channel->band]; + + /* HT is not supported */ + if (!sband->ht_info.ht_supported) { + conf->flags &= ~IEEE80211_CONF_SUPPORT_HT_MODE; + return -EOPNOTSUPP; + } + + /* disable HT */ + if (!enable_ht) { + conf->flags &= ~IEEE80211_CONF_SUPPORT_HT_MODE; + } else { + conf->flags |= IEEE80211_CONF_SUPPORT_HT_MODE; + conf->ht_conf.cap = req_ht_cap->cap & sband->ht_info.cap; + conf->ht_conf.cap &= ~(IEEE80211_HT_CAP_MIMO_PS); + conf->ht_conf.cap |= + sband->ht_info.cap & IEEE80211_HT_CAP_MIMO_PS; + conf->ht_bss_conf.primary_channel = + req_bss_cap->primary_channel; + conf->ht_bss_conf.bss_cap = req_bss_cap->bss_cap; + conf->ht_bss_conf.bss_op_mode = req_bss_cap->bss_op_mode; + for (i = 0; i < SUPP_MCS_SET_LEN; i++) + conf->ht_conf.supp_mcs_set[i] = + sband->ht_info.supp_mcs_set[i] & + req_ht_cap->supp_mcs_set[i]; + + /* In STA mode, this gives us indication + * to the AP's mode of operation */ + conf->ht_conf.ht_supported = 1; + conf->ht_conf.ampdu_factor = req_ht_cap->ampdu_factor; + conf->ht_conf.ampdu_density = req_ht_cap->ampdu_density; + } + + local->ops->conf_ht(local_to_hw(local), &local->hw.conf); + + return 0; +} + +void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, + u32 changed) +{ + struct ieee80211_local *local = sdata->local; + + if (!changed) + return; + + if (local->ops->bss_info_changed) + local->ops->bss_info_changed(local_to_hw(local), + &sdata->vif, + &sdata->bss_conf, + changed); } void ieee80211_reset_erp_info(struct net_device *dev) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - sdata->flags &= ~(IEEE80211_SDATA_USE_PROTECTION | - IEEE80211_SDATA_SHORT_PREAMBLE); - ieee80211_erp_info_change_notify(dev, - IEEE80211_ERP_CHANGE_PROTECTION | - IEEE80211_ERP_CHANGE_PREAMBLE); + sdata->bss_conf.use_cts_prot = 0; + sdata->bss_conf.use_short_preamble = 0; + ieee80211_bss_info_change_notify(sdata, + BSS_CHANGED_ERP_CTS_PROT | + BSS_CHANGED_ERP_PREAMBLE); } void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, @@ -591,6 +1065,7 @@ static void ieee80211_tasklet_handler(unsigned long data) struct sk_buff *skb; struct ieee80211_rx_status rx_status; struct ieee80211_tx_status *tx_status; + struct ieee80211_ra_tid *ra_tid; while ((skb = skb_dequeue(&local->skb_queue)) || (skb = skb_dequeue(&local->skb_queue_unreliable))) { @@ -598,7 +1073,7 @@ static void ieee80211_tasklet_handler(unsigned long data) case IEEE80211_RX_MSG: /* status is in skb->cb */ memcpy(&rx_status, skb->cb, sizeof(rx_status)); - /* Clear skb->type in order to not confuse kernel + /* Clear skb->pkt_type in order to not confuse kernel * netstack. */ skb->pkt_type = 0; __ieee80211_rx(local_to_hw(local), skb, &rx_status); @@ -611,6 +1086,18 @@ static void ieee80211_tasklet_handler(unsigned long data) skb, tx_status); kfree(tx_status); break; + case IEEE80211_DELBA_MSG: + ra_tid = (struct ieee80211_ra_tid *) &skb->cb; + ieee80211_stop_tx_ba_cb(local_to_hw(local), + ra_tid->ra, ra_tid->tid); + dev_kfree_skb(skb); + break; + case IEEE80211_ADDBA_MSG: + ra_tid = (struct ieee80211_ra_tid *) &skb->cb; + ieee80211_start_tx_ba_cb(local_to_hw(local), + ra_tid->ra, ra_tid->tid); + dev_kfree_skb(skb); + break ; default: /* should never get here! */ printk(KERN_ERR "%s: Unknown message type (%d)\n", wiphy_name(local->hw.wiphy), skb->pkt_type); @@ -633,7 +1120,7 @@ static void ieee80211_remove_tx_extra(struct ieee80211_local *local, struct ieee80211_tx_packet_data *pkt_data; pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; - pkt_data->ifindex = control->ifindex; + pkt_data->ifindex = vif_to_sdata(control->vif)->dev->ifindex; pkt_data->flags = 0; if (control->flags & IEEE80211_TXCTL_REQ_TX_STATUS) pkt_data->flags |= IEEE80211_TXPD_REQ_TX_STATUS; @@ -641,6 +1128,8 @@ static void ieee80211_remove_tx_extra(struct ieee80211_local *local, pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT; if (control->flags & IEEE80211_TXCTL_REQUEUE) pkt_data->flags |= IEEE80211_TXPD_REQUEUE; + if (control->flags & IEEE80211_TXCTL_EAPOL_FRAME) + pkt_data->flags |= IEEE80211_TXPD_EAPOL_FRAME; pkt_data->queue = control->queue; hdrlen = ieee80211_get_hdrlen_from_skb(skb); @@ -695,7 +1184,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, u16 frag, type; struct ieee80211_tx_status_rtap_hdr *rthdr; struct ieee80211_sub_if_data *sdata; - int monitors; + struct net_device *prev_dev = NULL; if (!status) { printk(KERN_ERR @@ -768,10 +1257,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, sta_info_put(sta); return; } - } else { - /* FIXME: STUPID to call this with both local and local->mdev */ - rate_control_tx_status(local, local->mdev, skb, status); - } + } else + rate_control_tx_status(local->mdev, skb, status); ieee80211_led_tx(local, 0); @@ -810,7 +1297,11 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, /* this was a transmitted frame, but now we want to reuse it */ skb_orphan(skb); - if (!local->monitors) { + /* + * This is a bit racy but we can avoid a lot of work + * with this test... + */ + if (!local->monitors && !local->cooked_mntrs) { dev_kfree_skb(skb); return; } @@ -844,42 +1335,37 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, rthdr->data_retries = status->retry_count; + /* XXX: is this sufficient for BPF? */ + skb_set_mac_header(skb, 0); + skb->ip_summed = CHECKSUM_UNNECESSARY; + skb->pkt_type = PACKET_OTHERHOST; + skb->protocol = htons(ETH_P_802_2); + memset(skb->cb, 0, sizeof(skb->cb)); + rcu_read_lock(); - monitors = local->monitors; list_for_each_entry_rcu(sdata, &local->interfaces, list) { - /* - * Using the monitors counter is possibly racy, but - * if the value is wrong we simply either clone the skb - * once too much or forget sending it to one monitor iface - * The latter case isn't nice but fixing the race is much - * more complicated. - */ - if (!monitors || !skb) - goto out; - - if (sdata->type == IEEE80211_IF_TYPE_MNTR) { + if (sdata->vif.type == IEEE80211_IF_TYPE_MNTR) { if (!netif_running(sdata->dev)) continue; - monitors--; - if (monitors) + + if (prev_dev) { skb2 = skb_clone(skb, GFP_ATOMIC); - else - skb2 = NULL; - skb->dev = sdata->dev; - /* XXX: is this sufficient for BPF? */ - skb_set_mac_header(skb, 0); - skb->ip_summed = CHECKSUM_UNNECESSARY; - skb->pkt_type = PACKET_OTHERHOST; - skb->protocol = htons(ETH_P_802_2); - memset(skb->cb, 0, sizeof(skb->cb)); - netif_rx(skb); - skb = skb2; + if (skb2) { + skb2->dev = prev_dev; + netif_rx(skb2); + } + } + + prev_dev = sdata->dev; } } - out: + if (prev_dev) { + skb->dev = prev_dev; + netif_rx(skb); + skb = NULL; + } rcu_read_unlock(); - if (skb) - dev_kfree_skb(skb); + dev_kfree_skb(skb); } EXPORT_SYMBOL(ieee80211_tx_status); @@ -949,9 +1435,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, local->hw.queues = 1; /* default */ local->mdev = mdev; - local->rx_pre_handlers = ieee80211_rx_pre_handlers; - local->rx_handlers = ieee80211_rx_handlers; - local->tx_handlers = ieee80211_tx_handlers; local->bridge_packets = 1; @@ -961,10 +1444,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, local->long_retry_limit = 4; local->hw.conf.radio_enabled = 1; - local->enabled_modes = ~0; - - INIT_LIST_HEAD(&local->modes_list); - INIT_LIST_HEAD(&local->interfaces); INIT_DELAYED_WORK(&local->scan_work, ieee80211_sta_scan_work); @@ -976,10 +1455,10 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, mdev->open = ieee80211_master_open; mdev->stop = ieee80211_master_stop; mdev->type = ARPHRD_IEEE80211; - mdev->hard_header_parse = header_parse_80211; + mdev->header_ops = &ieee80211_header_ops; mdev->set_multicast_list = ieee80211_master_set_multicast_list; - sdata->type = IEEE80211_IF_TYPE_AP; + sdata->vif.type = IEEE80211_IF_TYPE_AP; sdata->dev = mdev; sdata->local = local; sdata->u.ap.force_unicast_rateidx = -1; @@ -1009,6 +1488,25 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) struct ieee80211_local *local = hw_to_local(hw); const char *name; int result; + enum ieee80211_band band; + + /* + * generic code guarantees at least one band, + * set this very early because much code assumes + * that hw.conf.channel is assigned + */ + for (band = 0; band < IEEE80211_NUM_BANDS; band++) { + struct ieee80211_supported_band *sband; + + sband = local->hw.wiphy->bands[band]; + if (sband) { + /* init channel we're on */ + local->hw.conf.channel = + local->oper_channel = + local->scan_channel = &sband->channels[0]; + break; + } + } result = wiphy_register(local->hw.wiphy); if (result < 0) @@ -1061,7 +1559,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) ieee80211_debugfs_add_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev)); ieee80211_if_set_type(local->mdev, IEEE80211_IF_TYPE_AP); - result = ieee80211_init_rate_ctrl_alg(local, NULL); + result = ieee80211_init_rate_ctrl_alg(local, + hw->rate_control_algorithm); if (result < 0) { printk(KERN_DEBUG "%s: Failed to initialize rate control " "algorithm\n", wiphy_name(local->hw.wiphy)); @@ -1109,44 +1608,10 @@ fail_workqueue: } EXPORT_SYMBOL(ieee80211_register_hw); -int ieee80211_register_hwmode(struct ieee80211_hw *hw, - struct ieee80211_hw_mode *mode) -{ - struct ieee80211_local *local = hw_to_local(hw); - struct ieee80211_rate *rate; - int i; - - INIT_LIST_HEAD(&mode->list); - list_add_tail(&mode->list, &local->modes_list); - - local->hw_modes |= (1 << mode->mode); - for (i = 0; i < mode->num_rates; i++) { - rate = &(mode->rates[i]); - rate->rate_inv = CHAN_UTIL_RATE_LCM / rate->rate; - } - ieee80211_prepare_rates(local, mode); - - if (!local->oper_hw_mode) { - /* Default to this mode */ - local->hw.conf.phymode = mode->mode; - local->oper_hw_mode = local->scan_hw_mode = mode; - local->oper_channel = local->scan_channel = &mode->channels[0]; - local->hw.conf.mode = local->oper_hw_mode; - local->hw.conf.chan = local->oper_channel; - } - - if (!(hw->flags & IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED)) - ieee80211_set_default_regdomain(mode); - - return 0; -} -EXPORT_SYMBOL(ieee80211_register_hwmode); - void ieee80211_unregister_hw(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_sub_if_data *sdata, *tmp; - int i; tasklet_kill(&local->tx_pending_tasklet); tasklet_kill(&local->tasklet); @@ -1187,11 +1652,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) rate_control_deinitialize(local); debugfs_hw_del(local); - for (i = 0; i < NUM_IEEE80211_MODES; i++) { - kfree(local->supp_rates[i]); - kfree(local->basic_rates[i]); - } - if (skb_queue_len(&local->skb_queue) || skb_queue_len(&local->skb_queue_unreliable)) printk(KERN_WARNING "%s: skb_queue not empty\n", @@ -1222,21 +1682,38 @@ static int __init ieee80211_init(void) BUILD_BUG_ON(sizeof(struct ieee80211_tx_packet_data) > sizeof(skb->cb)); + ret = rc80211_simple_init(); + if (ret) + goto out; + + ret = rc80211_pid_init(); + if (ret) + goto out_cleanup_simple; + ret = ieee80211_wme_register(); if (ret) { printk(KERN_DEBUG "ieee80211_init: failed to " "initialize WME (err=%d)\n", ret); - return ret; + goto out_cleanup_pid; } ieee80211_debugfs_netdev_init(); - ieee80211_regdomain_init(); return 0; + + out_cleanup_pid: + rc80211_pid_exit(); + out_cleanup_simple: + rc80211_simple_exit(); + out: + return ret; } static void __exit ieee80211_exit(void) { + rc80211_simple_exit(); + rc80211_pid_exit(); + ieee80211_wme_unregister(); ieee80211_debugfs_netdev_exit(); } diff --git a/package/mac80211/src/net/mac80211/ieee80211_common.h b/package/mac80211/src/net/mac80211/ieee80211_common.h deleted file mode 100644 index c15295d..0000000 --- a/package/mac80211/src/net/mac80211/ieee80211_common.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * IEEE 802.11 driver (80211.o) -- hostapd interface - * Copyright 2002-2004, Instant802 Networks, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef IEEE80211_COMMON_H -#define IEEE80211_COMMON_H - -#include <linux/types.h> - -/* - * This is common header information with user space. It is used on all - * frames sent to wlan#ap interface. - */ - -#define IEEE80211_FI_VERSION 0x80211001 - -struct ieee80211_frame_info { - __be32 version; - __be32 length; - __be64 mactime; - __be64 hosttime; - __be32 phytype; - __be32 channel; - __be32 datarate; - __be32 antenna; - __be32 priority; - __be32 ssi_type; - __be32 ssi_signal; - __be32 ssi_noise; - __be32 preamble; - __be32 encoding; - - /* Note: this structure is otherwise identical to capture format used - * in linux-wlan-ng, but this additional field is used to provide meta - * data about the frame to hostapd. This was the easiest method for - * providing this information, but this might change in the future. */ - __be32 msg_type; -} __attribute__ ((packed)); - - -enum ieee80211_msg_type { - ieee80211_msg_normal = 0, - ieee80211_msg_tx_callback_ack = 1, - ieee80211_msg_tx_callback_fail = 2, - /* hole at 3, was ieee80211_msg_passive_scan but unused */ - /* hole at 4, was ieee80211_msg_wep_frame_unknown_key but now unused */ - ieee80211_msg_michael_mic_failure = 5, - /* hole at 6, was monitor but never sent to userspace */ - ieee80211_msg_sta_not_assoc = 7, - /* 8 was ieee80211_msg_set_aid_for_sta */ - /* 9 was ieee80211_msg_key_threshold_notification */ - /* 11 was ieee80211_msg_radar */ -}; - -struct ieee80211_msg_key_notification { - int tx_rx_count; - char ifname[IFNAMSIZ]; - u8 addr[ETH_ALEN]; /* ff:ff:ff:ff:ff:ff for broadcast keys */ -}; - - -enum ieee80211_phytype { - ieee80211_phytype_fhss_dot11_97 = 1, - ieee80211_phytype_dsss_dot11_97 = 2, - ieee80211_phytype_irbaseband = 3, - ieee80211_phytype_dsss_dot11_b = 4, - ieee80211_phytype_pbcc_dot11_b = 5, - ieee80211_phytype_ofdm_dot11_g = 6, - ieee80211_phytype_pbcc_dot11_g = 7, - ieee80211_phytype_ofdm_dot11_a = 8, -}; - -enum ieee80211_ssi_type { - ieee80211_ssi_none = 0, - ieee80211_ssi_norm = 1, /* normalized, 0-1000 */ - ieee80211_ssi_dbm = 2, - ieee80211_ssi_raw = 3, /* raw SSI */ -}; - -struct ieee80211_radar_info { - int channel; - int radar; - int radar_type; -}; - -#endif /* IEEE80211_COMMON_H */ diff --git a/package/mac80211/src/net/mac80211/ieee80211_i.h b/package/mac80211/src/net/mac80211/ieee80211_i.h index d34a9de..1b4a449 100644 --- a/package/mac80211/src/net/mac80211/ieee80211_i.h +++ b/package/mac80211/src/net/mac80211/ieee80211_i.h @@ -37,8 +37,6 @@ struct ieee80211_local; -#define BIT(x) (1 << (x)) - #define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3) /* Maximum number of broadcast/multicast frames to buffer when some of the @@ -81,8 +79,7 @@ struct ieee80211_sta_bss { u8 ssid[IEEE80211_MAX_SSID_LEN]; size_t ssid_len; u16 capability; /* host byte order */ - int hw_mode; - int channel; + enum ieee80211_band band; int freq; int rssi, signal, noise; u8 *wpa_ie; @@ -91,6 +88,8 @@ struct ieee80211_sta_bss { size_t rsn_ie_len; u8 *wmm_ie; size_t wmm_ie_len; + u8 *ht_ie; + size_t ht_ie_len; #define IEEE80211_MAX_SUPP_RATES 32 u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; size_t supp_rates_len; @@ -109,9 +108,17 @@ struct ieee80211_sta_bss { }; -typedef enum { - TXRX_CONTINUE, TXRX_DROP, TXRX_QUEUED -} ieee80211_txrx_result; +typedef unsigned __bitwise__ ieee80211_tx_result; +#define TX_CONTINUE ((__force ieee80211_tx_result) 0u) +#define TX_DROP ((__force ieee80211_tx_result) 1u) +#define TX_QUEUED ((__force ieee80211_tx_result) 2u) + +typedef unsigned __bitwise__ ieee80211_rx_result; +#define RX_CONTINUE ((__force ieee80211_rx_result) 0u) +#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) +#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) +#define RX_QUEUED ((__force ieee80211_rx_result) 3u) + /* flags used in struct ieee80211_txrx_data.flags */ /* whether the MSDU was fragmented */ @@ -123,6 +130,8 @@ typedef enum { /* frame is destined to interface currently processed (incl. multicast frames) */ #define IEEE80211_TXRXD_RXRA_MATCH BIT(5) #define IEEE80211_TXRXD_TX_INJECTED BIT(6) +#define IEEE80211_TXRXD_RX_AMSDU BIT(7) +#define IEEE80211_TXRXD_RX_CMNTR_REPORTED BIT(8) struct ieee80211_txrx_data { struct sk_buff *skb; struct net_device *dev; @@ -135,13 +144,12 @@ struct ieee80211_txrx_data { union { struct { struct ieee80211_tx_control *control; - struct ieee80211_hw_mode *mode; + struct ieee80211_channel *channel; struct ieee80211_rate *rate; /* use this rate (if set) for last fragment; rate can * be set to lower rate for the first fragments, e.g., * when using CTS protection with IEEE 802.11g. */ struct ieee80211_rate *last_frag_rate; - int last_frag_hwrate; /* Extra fragments (in addition to the first fragment * in skb) */ @@ -150,6 +158,7 @@ struct ieee80211_txrx_data { } tx; struct { struct ieee80211_rx_status *status; + struct ieee80211_rate *rate; int sent_ps_buffered; int queue; int load; @@ -163,6 +172,8 @@ struct ieee80211_txrx_data { #define IEEE80211_TXPD_REQ_TX_STATUS BIT(0) #define IEEE80211_TXPD_DO_NOT_ENCRYPT BIT(1) #define IEEE80211_TXPD_REQUEUE BIT(2) +#define IEEE80211_TXPD_EAPOL_FRAME BIT(3) +#define IEEE80211_TXPD_AMPDU BIT(4) /* Stored in sk_buff->cb */ struct ieee80211_tx_packet_data { int ifindex; @@ -176,21 +187,18 @@ struct ieee80211_tx_stored_packet { struct sk_buff *skb; int num_extra_frag; struct sk_buff **extra_frag; - int last_frag_rateidx; - int last_frag_hwrate; struct ieee80211_rate *last_frag_rate; unsigned int last_frag_rate_ctrl_probe; }; -typedef ieee80211_txrx_result (*ieee80211_tx_handler) -(struct ieee80211_txrx_data *tx); - -typedef ieee80211_txrx_result (*ieee80211_rx_handler) -(struct ieee80211_txrx_data *rx); +struct beacon_data { + u8 *head, *tail; + int head_len, tail_len; + int dtim_period; +}; struct ieee80211_if_ap { - u8 *beacon_head, *beacon_tail; - int beacon_head_len, beacon_tail_len; + struct beacon_data *beacon; struct list_head vlans; @@ -203,7 +211,7 @@ struct ieee80211_if_ap { u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; atomic_t num_sta_ps; /* number of stations in PS mode */ struct sk_buff_head ps_bc_buf; - int dtim_period, dtim_count; + int dtim_count; int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ int max_ratectrl_rateidx; /* max TX rateidx for rate control */ int num_beacons; /* number of TXed beacon frames for this BSS */ @@ -232,6 +240,7 @@ struct ieee80211_if_vlan { #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) +#define IEEE80211_STA_PRIVACY_INVOKED BIT(13) struct ieee80211_if_sta { enum { IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, @@ -243,6 +252,8 @@ struct ieee80211_if_sta { u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; u8 ssid[IEEE80211_MAX_SSID_LEN]; size_t ssid_len; + u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; + size_t scan_ssid_len; u16 aid; u16 ap_capab, capab; u8 *extra_ie; /* to be added to the end of AssocReq */ @@ -261,7 +272,6 @@ struct ieee80211_if_sta { unsigned long request; struct sk_buff_head skb_queue; - int key_management_enabled; unsigned long last_probe; #define IEEE80211_AUTH_ALG_OPEN BIT(0) @@ -273,7 +283,7 @@ struct ieee80211_if_sta { unsigned long ibss_join_req; struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ - u32 supp_rates_bits; + u32 supp_rates_bits[IEEE80211_NUM_BANDS]; int wmm_last_param_set; }; @@ -282,15 +292,10 @@ struct ieee80211_if_sta { /* flags used in struct ieee80211_sub_if_data.flags */ #define IEEE80211_SDATA_ALLMULTI BIT(0) #define IEEE80211_SDATA_PROMISC BIT(1) -#define IEEE80211_SDATA_USE_PROTECTION BIT(2) /* CTS protect ERP frames */ -/* use short preamble with IEEE 802.11b: this flag is set when the AP or beacon - * generator reports that there are no present stations that cannot support short - * preambles */ -#define IEEE80211_SDATA_SHORT_PREAMBLE BIT(3) -#define IEEE80211_SDATA_USERSPACE_MLME BIT(4) +#define IEEE80211_SDATA_USERSPACE_MLME BIT(2) +#define IEEE80211_SDATA_OPERATING_GMODE BIT(3) struct ieee80211_sub_if_data { struct list_head list; - enum ieee80211_if_types type; struct wireless_dev wdev; @@ -303,11 +308,11 @@ struct ieee80211_sub_if_data { unsigned int flags; int drop_unencrypted; - int eapol; /* 0 = process EAPOL frames as normal data frames, - * 1 = send EAPOL frames through wlan#ap to hostapd - * (default) */ - int ieee802_1x; /* IEEE 802.1X PAE - drop packet to/from unauthorized - * port */ + + /* + * basic rates of this AP or the AP we're associated to + */ + u64 basic_rates; u16 sequence; @@ -319,6 +324,15 @@ struct ieee80211_sub_if_data { struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; struct ieee80211_key *default_key; + /* + * BSS configuration for this interface. + * + * FIXME: I feel bad putting this here when we already have a + * bss pointer, but the bss pointer is just wrong when + * you have multiple virtual STA mode interfaces... + * This needs to be fixed. + */ + struct ieee80211_bss_conf bss_conf; struct ieee80211_if_ap *bss; /* BSS that this device belongs to */ union { @@ -326,6 +340,7 @@ struct ieee80211_sub_if_data { struct ieee80211_if_wds wds; struct ieee80211_if_vlan vlan; struct ieee80211_if_sta sta; + u32 mntr_flags; } u; int channel_use; int channel_use_raw; @@ -336,8 +351,6 @@ struct ieee80211_sub_if_data { struct { struct dentry *channel_use; struct dentry *drop_unencrypted; - struct dentry *eapol; - struct dentry *ieee8021_x; struct dentry *state; struct dentry *bssid; struct dentry *prev_bssid; @@ -356,30 +369,21 @@ struct ieee80211_sub_if_data { struct { struct dentry *channel_use; struct dentry *drop_unencrypted; - struct dentry *eapol; - struct dentry *ieee8021_x; struct dentry *num_sta_ps; - struct dentry *dtim_period; struct dentry *dtim_count; struct dentry *num_beacons; struct dentry *force_unicast_rateidx; struct dentry *max_ratectrl_rateidx; struct dentry *num_buffered_multicast; - struct dentry *beacon_head_len; - struct dentry *beacon_tail_len; } ap; struct { struct dentry *channel_use; struct dentry *drop_unencrypted; - struct dentry *eapol; - struct dentry *ieee8021_x; struct dentry *peer; } wds; struct { struct dentry *channel_use; struct dentry *drop_unencrypted; - struct dentry *eapol; - struct dentry *ieee8021_x; } vlan; struct { struct dentry *mode; @@ -387,13 +391,23 @@ struct ieee80211_sub_if_data { struct dentry *default_key; } debugfs; #endif + /* must be last, dynamically sized area in this! */ + struct ieee80211_vif vif; }; +static inline +struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) +{ + return container_of(p, struct ieee80211_sub_if_data, vif); +} + #define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev) enum { IEEE80211_RX_MSG = 1, IEEE80211_TX_STATUS_MSG = 2, + IEEE80211_DELBA_MSG = 3, + IEEE80211_ADDBA_MSG = 4, }; struct ieee80211_local { @@ -404,12 +418,11 @@ struct ieee80211_local { const struct ieee80211_ops *ops; - /* List of registered struct ieee80211_hw_mode */ - struct list_head modes_list; - struct net_device *mdev; /* wmaster# - "master" 802.11 device */ int open_count; - int monitors; + int monitors, cooked_mntrs; + /* number of interfaces with corresponding FIF_ flags */ + int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; unsigned int filter_flags; /* FIF_* */ struct iw_statistics wstats; u8 wstats_flags; @@ -437,8 +450,8 @@ struct ieee80211_local { struct sta_info *sta_hash[STA_HASH_SIZE]; struct timer_list sta_cleanup; - unsigned long state[NUM_TX_DATA_QUEUES]; - struct ieee80211_tx_stored_packet pending_packet[NUM_TX_DATA_QUEUES]; + unsigned long state[NUM_TX_DATA_QUEUES_AMPDU]; + struct ieee80211_tx_stored_packet pending_packet[NUM_TX_DATA_QUEUES_AMPDU]; struct tasklet_struct tx_pending_tasklet; /* number of interfaces with corresponding IFF_ flags */ @@ -446,11 +459,6 @@ struct ieee80211_local { struct rate_control_ref *rate_ctrl; - /* Supported and basic rate filters for different modes. These are - * pointers to -1 terminated lists and rates in 100 kbps units. */ - int *supp_rates[NUM_IEEE80211_MODES]; - int *basic_rates[NUM_IEEE80211_MODES]; - int rts_threshold; int fragmentation_threshold; int short_retry_limit; /* dot11ShortRetryLimit */ @@ -464,29 +472,23 @@ struct ieee80211_local { * deliver multicast frames both back to wireless * media and to the local net stack */ - ieee80211_rx_handler *rx_pre_handlers; - ieee80211_rx_handler *rx_handlers; - ieee80211_tx_handler *tx_handlers; - struct list_head interfaces; - int sta_scanning; + bool sta_sw_scanning; + bool sta_hw_scanning; int scan_channel_idx; + enum ieee80211_band scan_band; + enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; unsigned long last_scan_completed; struct delayed_work scan_work; struct net_device *scan_dev; struct ieee80211_channel *oper_channel, *scan_channel; - struct ieee80211_hw_mode *oper_hw_mode, *scan_hw_mode; u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; size_t scan_ssid_len; struct list_head sta_bss_list; struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; spinlock_t sta_bss_lock; -#define IEEE80211_SCAN_MATCH_SSID BIT(0) -#define IEEE80211_SCAN_WPA_ONLY BIT(1) -#define IEEE80211_SCAN_EXTRA_INFO BIT(2) - int scan_flags; /* SNMP counters */ /* dot11CountersTable */ @@ -503,8 +505,9 @@ struct ieee80211_local { #ifdef CONFIG_MAC80211_LEDS int tx_led_counter, rx_led_counter; - struct led_trigger *tx_led, *rx_led, *assoc_led; - char tx_led_name[32], rx_led_name[32], assoc_led_name[32]; + struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; + char tx_led_name[32], rx_led_name[32], + assoc_led_name[32], radio_led_name[32]; #endif u32 channel_use; @@ -549,14 +552,8 @@ struct ieee80211_local { int wifi_wme_noack_test; unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ - unsigned int enabled_modes; /* bitfield of allowed modes; - * (1 << MODE_*) */ - unsigned int hw_modes; /* bitfield of supported hardware modes; - * (1 << MODE_*) */ - #ifdef CONFIG_MAC80211_DEBUGFS struct local_debugfsdentries { - struct dentry *channel; struct dentry *frequency; struct dentry *antenna_sel_tx; struct dentry *antenna_sel_rx; @@ -566,9 +563,7 @@ struct ieee80211_local { struct dentry *short_retry_limit; struct dentry *long_retry_limit; struct dentry *total_ps_buffered; - struct dentry *mode; struct dentry *wep_iv; - struct dentry *modes; struct dentry *statistics; struct local_debugfsdentries_statsdentries { struct dentry *transmitted_fragment_count; @@ -616,6 +611,12 @@ struct ieee80211_local { #endif }; +/* this struct represents 802.11n's RA/TID combination */ +struct ieee80211_ra_tid { + u8 ra[ETH_ALEN]; + u16 tid; +}; + static inline struct ieee80211_local *hw_to_local( struct ieee80211_hw *hw) { @@ -673,23 +674,6 @@ static inline void bss_tim_clear(struct ieee80211_local *local, read_unlock_bh(&local->sta_lock); } -/** - * ieee80211_is_erp_rate - Check if a rate is an ERP rate - * @phymode: The PHY-mode for this rate (MODE_IEEE80211...) - * @rate: Transmission rate to check, in 100 kbps - * - * Check if a given rate is an Extended Rate PHY (ERP) rate. - */ -static inline int ieee80211_is_erp_rate(int phymode, int rate) -{ - if (phymode == MODE_IEEE80211G) { - if (rate != 10 && rate != 20 && - rate != 55 && rate != 110) - return 1; - } - return 0; -} - static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) { return compare_ether_addr(raddr, addr) == 0 || @@ -701,13 +685,12 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) int ieee80211_hw_config(struct ieee80211_local *local); int ieee80211_if_config(struct net_device *dev); int ieee80211_if_config_beacon(struct net_device *dev); -void ieee80211_prepare_rates(struct ieee80211_local *local, - struct ieee80211_hw_mode *mode); void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx); int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr); void ieee80211_if_setup(struct net_device *dev); -struct ieee80211_rate *ieee80211_get_rate(struct ieee80211_local *local, - int phymode, int hwrate); +int ieee80211_hw_config_ht(struct ieee80211_local *local, int enable_ht, + struct ieee80211_ht_info *req_ht_cap, + struct ieee80211_ht_bss_info *req_bss_cap); /* ieee80211_ioctl.c */ extern const struct iw_handler_def ieee80211_iw_handler_def; @@ -735,7 +718,7 @@ extern const struct iw_handler_def ieee80211_iw_handler_def; /* ieee80211_ioctl.c */ int ieee80211_set_compression(struct ieee80211_local *local, struct net_device *dev, struct sta_info *sta); -int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq); +int ieee80211_set_freq(struct ieee80211_local *local, int freq); /* ieee80211_sta.c */ void ieee80211_sta_timer(unsigned long data); void ieee80211_sta_work(struct work_struct *work); @@ -749,8 +732,9 @@ int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); void ieee80211_sta_req_auth(struct net_device *dev, struct ieee80211_if_sta *ifsta); int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len); -void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *rx_status); +ieee80211_rx_result ieee80211_sta_rx_scan( + struct net_device *dev, struct sk_buff *skb, + struct ieee80211_rx_status *rx_status); void ieee80211_rx_bss_list_init(struct net_device *dev); void ieee80211_rx_bss_list_deinit(struct net_device *dev); int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); @@ -759,9 +743,23 @@ struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, u8 *addr); int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason); int ieee80211_sta_disassociate(struct net_device *dev, u16 reason); -void ieee80211_erp_info_change_notify(struct net_device *dev, u8 changes); +void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, + u32 changed); void ieee80211_reset_erp_info(struct net_device *dev); - +int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, + struct ieee80211_ht_info *ht_info); +int ieee80211_ht_addt_info_ie_to_ht_bss_info( + struct ieee80211_ht_addt_info *ht_add_info_ie, + struct ieee80211_ht_bss_info *bss_info); +void ieee80211_send_addba_request(struct net_device *dev, const u8 *da, + u16 tid, u8 dialog_token, u16 start_seq_num, + u16 agg_size, u16 timeout); +void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, + u16 initiator, u16 reason_code); +void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da, + u16 tid, u16 initiator, u16 reason); +void sta_rx_agg_session_timer_expired(unsigned long data); +void sta_addba_resp_timer_expired(unsigned long data); /* ieee80211_iface.c */ int ieee80211_if_add(struct net_device *dev, const char *name, struct net_device **new_dev, int type); @@ -773,16 +771,7 @@ int ieee80211_if_remove(struct net_device *dev, const char *name, int id); void ieee80211_if_free(struct net_device *dev); void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata); -/* regdomain.c */ -void ieee80211_regdomain_init(void); -void ieee80211_set_default_regdomain(struct ieee80211_hw_mode *mode); - -/* rx handling */ -extern ieee80211_rx_handler ieee80211_rx_pre_handlers[]; -extern ieee80211_rx_handler ieee80211_rx_handlers[]; - /* tx handling */ -extern ieee80211_tx_handler ieee80211_tx_handlers[]; void ieee80211_clear_tx_pending(struct ieee80211_local *local); void ieee80211_tx_pending(unsigned long data); int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); @@ -793,8 +782,8 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); extern void *mac80211_wiphy_privid; /* for wiphy privid */ extern const unsigned char rfc1042_header[6]; extern const unsigned char bridge_tunnel_header[6]; -u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len); -int ieee80211_is_eapol(const struct sk_buff *skb); +u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, + enum ieee80211_if_types type); int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, int rate, int erp, int short_preamble); void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx, diff --git a/package/mac80211/src/net/mac80211/ieee80211_iface.c b/package/mac80211/src/net/mac80211/ieee80211_iface.c index 43e505d..f66f1dd 100644 --- a/package/mac80211/src/net/mac80211/ieee80211_iface.c +++ b/package/mac80211/src/net/mac80211/ieee80211_iface.c @@ -22,7 +22,6 @@ void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata) /* Default values for sub-interface parameters */ sdata->drop_unencrypted = 0; - sdata->eapol = 1; for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) skb_queue_head_init(&sdata->fragments[i].skb_list); @@ -48,7 +47,7 @@ int ieee80211_if_add(struct net_device *dev, const char *name, int ret; ASSERT_RTNL(); - ndev = alloc_netdev(sizeof(struct ieee80211_sub_if_data), + ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size, name, ieee80211_if_setup); if (!ndev) return -ENOMEM; @@ -67,7 +66,7 @@ int ieee80211_if_add(struct net_device *dev, const char *name, sdata = IEEE80211_DEV_TO_SUB_IF(ndev); ndev->ieee80211_ptr = &sdata->wdev; sdata->wdev.wiphy = local->hw.wiphy; - sdata->type = IEEE80211_IF_TYPE_AP; + sdata->vif.type = IEEE80211_IF_TYPE_AP; sdata->dev = ndev; sdata->local = local; ieee80211_if_sdata_init(sdata); @@ -99,7 +98,7 @@ fail: void ieee80211_if_set_type(struct net_device *dev, int type) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - int oldtype = sdata->type; + int oldtype = sdata->vif.type; /* * We need to call this function on the master interface @@ -117,7 +116,9 @@ void ieee80211_if_set_type(struct net_device *dev, int type) /* most have no BSS pointer */ sdata->bss = NULL; - sdata->type = type; + sdata->vif.type = type; + + sdata->basic_rates = 0; switch (type) { case IEEE80211_IF_TYPE_WDS: @@ -127,7 +128,6 @@ void ieee80211_if_set_type(struct net_device *dev, int type) sdata->u.vlan.ap = NULL; break; case IEEE80211_IF_TYPE_AP: - sdata->u.ap.dtim_period = 2; sdata->u.ap.force_unicast_rateidx = -1; sdata->u.ap.max_ratectrl_rateidx = -1; skb_queue_head_init(&sdata->u.ap.ps_bc_buf); @@ -160,6 +160,8 @@ void ieee80211_if_set_type(struct net_device *dev, int type) case IEEE80211_IF_TYPE_MNTR: dev->type = ARPHRD_IEEE80211_RADIOTAP; dev->hard_start_xmit = ieee80211_monitor_start_xmit; + sdata->u.mntr_flags = MONITOR_FLAG_CONTROL | + MONITOR_FLAG_OTHER_BSS; break; default: printk(KERN_WARNING "%s: %s: Unknown interface type 0x%x", @@ -182,7 +184,7 @@ void ieee80211_if_reinit(struct net_device *dev) ieee80211_if_sdata_deinit(sdata); - switch (sdata->type) { + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_INVALID: /* cannot happen */ WARN_ON(1); @@ -208,8 +210,7 @@ void ieee80211_if_reinit(struct net_device *dev) } } - kfree(sdata->u.ap.beacon_head); - kfree(sdata->u.ap.beacon_tail); + kfree(sdata->u.ap.beacon); while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) { local->total_ps_buffered--; @@ -280,7 +281,7 @@ int ieee80211_if_remove(struct net_device *dev, const char *name, int id) ASSERT_RTNL(); list_for_each_entry_safe(sdata, n, &local->interfaces, list) { - if ((sdata->type == id || id == -1) && + if ((sdata->vif.type == id || id == -1) && strcmp(name, sdata->dev->name) == 0 && sdata->dev != local->mdev) { list_del_rcu(&sdata->list); diff --git a/package/mac80211/src/net/mac80211/ieee80211_ioctl.c b/package/mac80211/src/net/mac80211/ieee80211_ioctl.c index f95d488..54ad07a 100644 --- a/package/mac80211/src/net/mac80211/ieee80211_ioctl.c +++ b/package/mac80211/src/net/mac80211/ieee80211_ioctl.c @@ -21,6 +21,7 @@ #include <net/mac80211.h> #include "ieee80211_i.h" +#include "ieee80211_led.h" #include "ieee80211_rate.h" #include "wpa.h" #include "aes_ccm.h" @@ -64,9 +65,10 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr, sta = sta_info_get(local, sta_addr); if (!sta) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG + DECLARE_MAC_BUF(mac); printk(KERN_DEBUG "%s: set_encrypt - unknown addr " - MAC_FMT "\n", - dev->name, MAC_ARG(sta_addr)); + "%s\n", + dev->name, print_mac(mac, sta_addr)); #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ return -ENOENT; @@ -110,8 +112,8 @@ static int ieee80211_ioctl_siwgenie(struct net_device *dev, if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) return -EOPNOTSUPP; - if (sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) { + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length); if (ret) return ret; @@ -127,22 +129,7 @@ static int ieee80211_ioctl_giwname(struct net_device *dev, struct iw_request_info *info, char *name, char *extra) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - - switch (local->hw.conf.phymode) { - case MODE_IEEE80211A: - strcpy(name, "IEEE 802.11a"); - break; - case MODE_IEEE80211B: - strcpy(name, "IEEE 802.11b"); - break; - case MODE_IEEE80211G: - strcpy(name, "IEEE 802.11g"); - break; - default: - strcpy(name, "IEEE 802.11"); - break; - } + strcpy(name, "IEEE 802.11"); return 0; } @@ -154,7 +141,7 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev, { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct iw_range *range = (struct iw_range *) extra; - struct ieee80211_hw_mode *mode = NULL; + enum ieee80211_band band; int c = 0; data->length = sizeof(struct iw_range); @@ -189,24 +176,27 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev, range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; - list_for_each_entry(mode, &local->modes_list, list) { - int i = 0; - if (!(local->enabled_modes & (1 << mode->mode)) || - (local->hw_modes & local->enabled_modes & - (1 << MODE_IEEE80211G) && mode->mode == MODE_IEEE80211B)) + for (band = 0; band < IEEE80211_NUM_BANDS; band ++) { + int i; + struct ieee80211_supported_band *sband; + + sband = local->hw.wiphy->bands[band]; + + if (!sband) continue; - while (i < mode->num_channels && c < IW_MAX_FREQUENCIES) { - struct ieee80211_channel *chan = &mode->channels[i]; + for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { + struct ieee80211_channel *chan = &sband->channels[i]; - if (chan->flag & IEEE80211_CHAN_W_SCAN) { - range->freq[c].i = chan->chan; - range->freq[c].m = chan->freq * 100000; - range->freq[c].e = 1; + if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { + range->freq[c].i = + ieee80211_frequency_to_channel( + chan->center_freq); + range->freq[c].m = chan->center_freq; + range->freq[c].e = 6; c++; } - i++; } } range->num_channels = c; @@ -217,6 +207,8 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev, IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); + range->scan_capa |= IW_SCAN_CAPA_ESSID; + return 0; } @@ -228,7 +220,7 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev, struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); int type; - if (sdata->type == IEEE80211_IF_TYPE_VLAN) + if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN) return -EOPNOTSUPP; switch (*mode) { @@ -245,7 +237,7 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev, return -EINVAL; } - if (type == sdata->type) + if (type == sdata->vif.type) return 0; if (netif_running(dev)) return -EBUSY; @@ -264,7 +256,7 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev, struct ieee80211_sub_if_data *sdata; sdata = IEEE80211_DEV_TO_SUB_IF(dev); - switch (sdata->type) { + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_AP: *mode = IW_MODE_MASTER; break; @@ -290,28 +282,38 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev, return 0; } -int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq) +int ieee80211_set_freq(struct ieee80211_local *local, int freqMHz) { - struct ieee80211_hw_mode *mode; - int c, set = 0; + int set = 0; int ret = -EINVAL; + enum ieee80211_band band; + struct ieee80211_supported_band *sband; + int i; - list_for_each_entry(mode, &local->modes_list, list) { - if (!(local->enabled_modes & (1 << mode->mode))) + for (band = 0; band < IEEE80211_NUM_BANDS; band ++) { + sband = local->hw.wiphy->bands[band]; + + if (!sband) continue; - for (c = 0; c < mode->num_channels; c++) { - struct ieee80211_channel *chan = &mode->channels[c]; - if (chan->flag & IEEE80211_CHAN_W_SCAN && - ((chan->chan == channel) || (chan->freq == freq))) { + + for (i = 0; i < sband->n_channels; i++) { + struct ieee80211_channel *chan = &sband->channels[i]; + + if (chan->flags & IEEE80211_CHAN_DISABLED) + continue; + + if (chan->center_freq == freqMHz) { + set = 1; local->oper_channel = chan; - local->oper_hw_mode = mode; - set++; + break; } } + if (set) + break; } if (set) { - if (local->sta_scanning) + if (local->sta_sw_scanning) ret = 0; else ret = ieee80211_hw_config(local); @@ -329,24 +331,25 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_IF_TYPE_STA) + if (sdata->vif.type == IEEE80211_IF_TYPE_STA) sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL; /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */ if (freq->e == 0) { if (freq->m < 0) { - if (sdata->type == IEEE80211_IF_TYPE_STA) + if (sdata->vif.type == IEEE80211_IF_TYPE_STA) sdata->u.sta.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL; return 0; } else - return ieee80211_set_channel(local, freq->m, -1); + return ieee80211_set_freq(local, + ieee80211_channel_to_frequency(freq->m)); } else { int i, div = 1000000; for (i = 0; i < freq->e; i++) div /= 10; if (div > 0) - return ieee80211_set_channel(local, -1, freq->m / div); + return ieee80211_set_freq(local, freq->m / div); else return -EINVAL; } @@ -359,10 +362,7 @@ static int ieee80211_ioctl_giwfreq(struct net_device *dev, { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level - * driver for the current channel with firmware-based management */ - - freq->m = local->hw.conf.freq; + freq->m = local->hw.conf.channel->center_freq; freq->e = 6; return 0; @@ -381,8 +381,8 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev, len--; sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) { + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { int ret; if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) { if (len > IEEE80211_MAX_SSID_LEN) @@ -402,7 +402,7 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev, return 0; } - if (sdata->type == IEEE80211_IF_TYPE_AP) { + if (sdata->vif.type == IEEE80211_IF_TYPE_AP) { memcpy(sdata->u.ap.ssid, ssid, len); memset(sdata->u.ap.ssid + len, 0, IEEE80211_MAX_SSID_LEN - len); @@ -421,8 +421,8 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev, struct ieee80211_sub_if_data *sdata; sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) { + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { int res = ieee80211_sta_get_ssid(dev, ssid, &len); if (res == 0) { data->length = len; @@ -432,7 +432,7 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev, return res; } - if (sdata->type == IEEE80211_IF_TYPE_AP) { + if (sdata->vif.type == IEEE80211_IF_TYPE_AP) { len = sdata->u.ap.ssid_len; if (len > IW_ESSID_MAX_SIZE) len = IW_ESSID_MAX_SIZE; @@ -452,8 +452,8 @@ static int ieee80211_ioctl_siwap(struct net_device *dev, struct ieee80211_sub_if_data *sdata; sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) { + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { int ret; if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) { memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data, @@ -472,7 +472,7 @@ static int ieee80211_ioctl_siwap(struct net_device *dev, return ret; ieee80211_sta_req_auth(dev, &sdata->u.sta); return 0; - } else if (sdata->type == IEEE80211_IF_TYPE_WDS) { + } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) { if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data, ETH_ALEN) == 0) return 0; @@ -490,12 +490,12 @@ static int ieee80211_ioctl_giwap(struct net_device *dev, struct ieee80211_sub_if_data *sdata; sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) { + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { ap_addr->sa_family = ARPHRD_ETHER; memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN); return 0; - } else if (sdata->type == IEEE80211_IF_TYPE_WDS) { + } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) { ap_addr->sa_family = ARPHRD_ETHER; memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN); return 0; @@ -507,32 +507,27 @@ static int ieee80211_ioctl_giwap(struct net_device *dev, static int ieee80211_ioctl_siwscan(struct net_device *dev, struct iw_request_info *info, - struct iw_point *data, char *extra) + union iwreq_data *wrqu, char *extra) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct iw_scan_req *req = NULL; u8 *ssid = NULL; size_t ssid_len = 0; if (!netif_running(dev)) return -ENETDOWN; - switch (sdata->type) { - case IEEE80211_IF_TYPE_STA: - case IEEE80211_IF_TYPE_IBSS: - if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) { - ssid = sdata->u.sta.ssid; - ssid_len = sdata->u.sta.ssid_len; - } - break; - case IEEE80211_IF_TYPE_AP: - if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) { - ssid = sdata->u.ap.ssid; - ssid_len = sdata->u.ap.ssid_len; - } - break; - default: + if (sdata->vif.type != IEEE80211_IF_TYPE_STA && + sdata->vif.type != IEEE80211_IF_TYPE_IBSS && + sdata->vif.type != IEEE80211_IF_TYPE_AP) return -EOPNOTSUPP; + + /* if SSID was specified explicitly then use that */ + if (wrqu->data.length == sizeof(struct iw_scan_req) && + wrqu->data.flags & IW_SCAN_THIS_ESSID) { + req = (struct iw_scan_req *)extra; + ssid = req->essid; + ssid_len = req->essid_len; } return ieee80211_sta_req_scan(dev, ssid, ssid_len); @@ -545,8 +540,10 @@ static int ieee80211_ioctl_giwscan(struct net_device *dev, { int res; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - if (local->sta_scanning) + + if (local->sta_sw_scanning || local->sta_hw_scanning) return -EAGAIN; + res = ieee80211_sta_scan_results(dev, extra, data->length); if (res >= 0) { data->length = res; @@ -562,15 +559,17 @@ static int ieee80211_ioctl_siwrate(struct net_device *dev, struct iw_param *rate, char *extra) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_hw_mode *mode; - int i; + int i, err = -EINVAL; u32 target_rate = rate->value / 100000; struct ieee80211_sub_if_data *sdata; + struct ieee80211_supported_band *sband; sdata = IEEE80211_DEV_TO_SUB_IF(dev); if (!sdata->bss) return -ENODEV; - mode = local->oper_hw_mode; + + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates * target_rate = X, rate->fixed = 1 means only rate X * target_rate = X, rate->fixed = 0 means all rates <= X */ @@ -578,18 +577,20 @@ static int ieee80211_ioctl_siwrate(struct net_device *dev, sdata->bss->force_unicast_rateidx = -1; if (rate->value < 0) return 0; - for (i=0; i< mode->num_rates; i++) { - struct ieee80211_rate *rates = &mode->rates[i]; - int this_rate = rates->rate; + + for (i=0; i< sband->n_bitrates; i++) { + struct ieee80211_rate *brate = &sband->bitrates[i]; + int this_rate = brate->bitrate; if (target_rate == this_rate) { sdata->bss->max_ratectrl_rateidx = i; if (rate->fixed) sdata->bss->force_unicast_rateidx = i; + err = 0; break; } } - return 0; + return err; } static int ieee80211_ioctl_giwrate(struct net_device *dev, @@ -599,18 +600,24 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct sta_info *sta; struct ieee80211_sub_if_data *sdata; + struct ieee80211_supported_band *sband; sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_IF_TYPE_STA) + + if (sdata->vif.type == IEEE80211_IF_TYPE_STA) sta = sta_info_get(local, sdata->u.sta.bssid); else return -EOPNOTSUPP; if (!sta) return -ENODEV; - if (sta->txrate < local->oper_hw_mode->num_rates) - rate->value = local->oper_hw_mode->rates[sta->txrate].rate * 100000; + + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + + if (sta->txrate_idx < sband->n_bitrates) + rate->value = sband->bitrates[sta->txrate_idx].bitrate; else rate->value = 0; + rate->value *= 100000; sta_info_put(sta); return 0; } @@ -621,22 +628,38 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev, { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); bool need_reconfig = 0; + int new_power_level; if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) return -EINVAL; if (data->txpower.flags & IW_TXPOW_RANGE) return -EINVAL; - if (!data->txpower.fixed) - return -EINVAL; - if (local->hw.conf.power_level != data->txpower.value) { - local->hw.conf.power_level = data->txpower.value; + if (data->txpower.fixed) { + new_power_level = data->txpower.value; + } else { + /* + * Automatic power level. Use maximum power for the current + * channel. Should be part of rate control. + */ + struct ieee80211_channel* chan = local->hw.conf.channel; + if (!chan) + return -EINVAL; + + new_power_level = chan->max_power; + } + + if (local->hw.conf.power_level != new_power_level) { + local->hw.conf.power_level = new_power_level; need_reconfig = 1; } + if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) { local->hw.conf.radio_enabled = !(data->txpower.disabled); need_reconfig = 1; + ieee80211_led_radio(local, local->hw.conf.radio_enabled); } + if (need_reconfig) { ieee80211_hw_config(local); /* The return value of hw_config is not of big interest here, @@ -801,8 +824,8 @@ static int ieee80211_ioctl_siwmlme(struct net_device *dev, struct iw_mlme *mlme = (struct iw_mlme *) extra; sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_IF_TYPE_STA && - sdata->type != IEEE80211_IF_TYPE_IBSS) + if (sdata->vif.type != IEEE80211_IF_TYPE_STA && + sdata->vif.type != IEEE80211_IF_TYPE_IBSS) return -EINVAL; switch (mlme->cmd) { @@ -904,7 +927,6 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev, struct iw_request_info *info, struct iw_param *data, char *extra) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); int ret = 0; @@ -914,32 +936,33 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev, case IW_AUTH_CIPHER_GROUP: case IW_AUTH_WPA_ENABLED: case IW_AUTH_RX_UNENCRYPTED_EAPOL: - break; case IW_AUTH_KEY_MGMT: - if (sdata->type != IEEE80211_IF_TYPE_STA) + break; + case IW_AUTH_DROP_UNENCRYPTED: + sdata->drop_unencrypted = !!data->value; + break; + case IW_AUTH_PRIVACY_INVOKED: + if (sdata->vif.type != IEEE80211_IF_TYPE_STA) ret = -EINVAL; else { + sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED; /* - * Key management was set by wpa_supplicant, - * we only need this to associate to a network - * that has privacy enabled regardless of not - * having a key. + * Privacy invoked by wpa_supplicant, store the + * value and allow associating to a protected + * network without having a key up front. */ - sdata->u.sta.key_management_enabled = !!data->value; + if (data->value) + sdata->u.sta.flags |= + IEEE80211_STA_PRIVACY_INVOKED; } break; case IW_AUTH_80211_AUTH_ALG: - if (sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) sdata->u.sta.auth_algs = data->value; else ret = -EOPNOTSUPP; break; - case IW_AUTH_PRIVACY_INVOKED: - if (local->ops->set_privacy_invoked) - ret = local->ops->set_privacy_invoked( - local_to_hw(local), data->value); - break; default: ret = -EOPNOTSUPP; break; @@ -955,8 +978,8 @@ static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct sta_info *sta = NULL; - if (sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) sta = sta_info_get(local, sdata->u.sta.bssid); if (!sta) { wstats->discard.fragment = 0; @@ -984,8 +1007,8 @@ static int ieee80211_ioctl_giwauth(struct net_device *dev, switch (data->flags & IW_AUTH_INDEX) { case IW_AUTH_80211_AUTH_ALG: - if (sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) data->value = sdata->u.sta.auth_algs; else ret = -EOPNOTSUPP; diff --git a/package/mac80211/src/net/mac80211/ieee80211_led.c b/package/mac80211/src/net/mac80211/ieee80211_led.c index 4cf89af..f401484 100644 --- a/package/mac80211/src/net/mac80211/ieee80211_led.c +++ b/package/mac80211/src/net/mac80211/ieee80211_led.c @@ -43,6 +43,16 @@ void ieee80211_led_assoc(struct ieee80211_local *local, bool associated) led_trigger_event(local->assoc_led, LED_OFF); } +void ieee80211_led_radio(struct ieee80211_local *local, bool enabled) +{ + if (unlikely(!local->radio_led)) + return; + if (enabled) + led_trigger_event(local->radio_led, LED_FULL); + else + led_trigger_event(local->radio_led, LED_OFF); +} + void ieee80211_led_init(struct ieee80211_local *local) { local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); @@ -77,10 +87,25 @@ void ieee80211_led_init(struct ieee80211_local *local) local->assoc_led = NULL; } } + + local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); + if (local->radio_led) { + snprintf(local->radio_led_name, sizeof(local->radio_led_name), + "%sradio", wiphy_name(local->hw.wiphy)); + local->radio_led->name = local->radio_led_name; + if (led_trigger_register(local->radio_led)) { + kfree(local->radio_led); + local->radio_led = NULL; + } + } } void ieee80211_led_exit(struct ieee80211_local *local) { + if (local->radio_led) { + led_trigger_unregister(local->radio_led); + kfree(local->radio_led); + } if (local->assoc_led) { led_trigger_unregister(local->assoc_led); kfree(local->assoc_led); @@ -95,6 +120,16 @@ void ieee80211_led_exit(struct ieee80211_local *local) } } +char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw) +{ + struct ieee80211_local *local = hw_to_local(hw); + + if (local->radio_led) + return local->radio_led_name; + return NULL; +} +EXPORT_SYMBOL(__ieee80211_get_radio_led_name); + char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); diff --git a/package/mac80211/src/net/mac80211/ieee80211_led.h b/package/mac80211/src/net/mac80211/ieee80211_led.h index 0feb226..77b1e1b 100644 --- a/package/mac80211/src/net/mac80211/ieee80211_led.h +++ b/package/mac80211/src/net/mac80211/ieee80211_led.h @@ -16,6 +16,8 @@ extern void ieee80211_led_rx(struct ieee80211_local *local); extern void ieee80211_led_tx(struct ieee80211_local *local, int q); extern void ieee80211_led_assoc(struct ieee80211_local *local, bool associated); +extern void ieee80211_led_radio(struct ieee80211_local *local, + bool enabled); extern void ieee80211_led_init(struct ieee80211_local *local); extern void ieee80211_led_exit(struct ieee80211_local *local); #else @@ -29,6 +31,10 @@ static inline void ieee80211_led_assoc(struct ieee80211_local *local, bool associated) { } +static inline void ieee80211_led_radio(struct ieee80211_local *local, + bool enabled) +{ +} static inline void ieee80211_led_init(struct ieee80211_local *local) { } diff --git a/package/mac80211/src/net/mac80211/ieee80211_rate.c b/package/mac80211/src/net/mac80211/ieee80211_rate.c index 93abb8f..ebe29b7 100644 --- a/package/mac80211/src/net/mac80211/ieee80211_rate.c +++ b/package/mac80211/src/net/mac80211/ieee80211_rate.c @@ -21,17 +21,35 @@ struct rate_control_alg { static LIST_HEAD(rate_ctrl_algs); static DEFINE_MUTEX(rate_ctrl_mutex); +static char *ieee80211_default_rc_algo = CONFIG_MAC80211_RC_DEFAULT; +module_param(ieee80211_default_rc_algo, charp, 0644); +MODULE_PARM_DESC(ieee80211_default_rc_algo, + "Default rate control algorithm for mac80211 to use"); + int ieee80211_rate_control_register(struct rate_control_ops *ops) { struct rate_control_alg *alg; + if (!ops->name) + return -EINVAL; + + mutex_lock(&rate_ctrl_mutex); + list_for_each_entry(alg, &rate_ctrl_algs, list) { + if (!strcmp(alg->ops->name, ops->name)) { + /* don't register an algorithm twice */ + WARN_ON(1); + mutex_unlock(&rate_ctrl_mutex); + return -EALREADY; + } + } + alg = kzalloc(sizeof(*alg), GFP_KERNEL); if (alg == NULL) { + mutex_unlock(&rate_ctrl_mutex); return -ENOMEM; } alg->ops = ops; - mutex_lock(&rate_ctrl_mutex); list_add_tail(&alg->list, &rate_ctrl_algs); mutex_unlock(&rate_ctrl_mutex); @@ -47,11 +65,11 @@ void ieee80211_rate_control_unregister(struct rate_control_ops *ops) list_for_each_entry(alg, &rate_ctrl_algs, list) { if (alg->ops == ops) { list_del(&alg->list); + kfree(alg); break; } } mutex_unlock(&rate_ctrl_mutex); - kfree(alg); } EXPORT_SYMBOL(ieee80211_rate_control_unregister); @@ -61,9 +79,12 @@ ieee80211_try_rate_control_ops_get(const char *name) struct rate_control_alg *alg; struct rate_control_ops *ops = NULL; + if (!name) + return NULL; + mutex_lock(&rate_ctrl_mutex); list_for_each_entry(alg, &rate_ctrl_algs, list) { - if (!name || !strcmp(alg->ops->name, name)) + if (!strcmp(alg->ops->name, name)) if (try_module_get(alg->ops->module)) { ops = alg->ops; break; @@ -73,18 +94,31 @@ ieee80211_try_rate_control_ops_get(const char *name) return ops; } -/* Get the rate control algorithm. If `name' is NULL, get the first - * available algorithm. */ +/* Get the rate control algorithm. */ static struct rate_control_ops * ieee80211_rate_control_ops_get(const char *name) { struct rate_control_ops *ops; + const char *alg_name; - ops = ieee80211_try_rate_control_ops_get(name); + if (!name) + alg_name = ieee80211_default_rc_algo; + else + alg_name = name; + + ops = ieee80211_try_rate_control_ops_get(alg_name); if (!ops) { - request_module("rc80211_%s", name ? name : "default"); - ops = ieee80211_try_rate_control_ops_get(name); + request_module("rc80211_%s", alg_name); + ops = ieee80211_try_rate_control_ops_get(alg_name); } + if (!ops && name) + /* try default if specific alg requested but not found */ + ops = ieee80211_try_rate_control_ops_get(ieee80211_default_rc_algo); + + /* try built-in one if specific alg requested but not found */ + if (!ops && strlen(CONFIG_MAC80211_RC_DEFAULT)) + ops = ieee80211_try_rate_control_ops_get(CONFIG_MAC80211_RC_DEFAULT); + return ops; } @@ -128,6 +162,38 @@ static void rate_control_release(struct kref *kref) kfree(ctrl_ref); } +void rate_control_get_rate(struct net_device *dev, + struct ieee80211_supported_band *sband, + struct sk_buff *skb, + struct rate_selection *sel) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct rate_control_ref *ref = local->rate_ctrl; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct sta_info *sta = sta_info_get(local, hdr->addr1); + int i; + + memset(sel, 0, sizeof(struct rate_selection)); + + ref->ops->get_rate(ref->priv, dev, sband, skb, sel); + + /* Select a non-ERP backup rate. */ + if (!sel->nonerp) { + for (i = 0; i < sband->n_bitrates; i++) { + struct ieee80211_rate *rate = &sband->bitrates[i]; + if (sel->rate->bitrate < rate->bitrate) + break; + + if (rate_supported(sta, sband->band, i) && + !(rate->flags & IEEE80211_RATE_ERP_G)) + sel->nonerp = rate; + } + } + + if (sta) + sta_info_put(sta); +} + struct rate_control_ref *rate_control_get(struct rate_control_ref *ref) { kref_get(&ref->kref); @@ -178,3 +244,4 @@ void rate_control_deinitialize(struct ieee80211_local *local) local->rate_ctrl = NULL; rate_control_put(ref); } + diff --git a/package/mac80211/src/net/mac80211/ieee80211_rate.h b/package/mac80211/src/net/mac80211/ieee80211_rate.h index 7cd1eba..5f9a2ca 100644 --- a/package/mac80211/src/net/mac80211/ieee80211_rate.h +++ b/package/mac80211/src/net/mac80211/ieee80211_rate.h @@ -18,31 +18,26 @@ #include "ieee80211_i.h" #include "sta_info.h" -#define RATE_CONTROL_NUM_DOWN 20 -#define RATE_CONTROL_NUM_UP 15 - - -struct rate_control_extra { - /* values from rate_control_get_rate() to the caller: */ - struct ieee80211_rate *probe; /* probe with this rate, or NULL for no - * probing */ +/* TODO: kdoc */ +struct rate_selection { + /* Selected transmission rate */ + struct ieee80211_rate *rate; + /* Non-ERP rate to use if mac80211 decides it cannot use an ERP rate */ struct ieee80211_rate *nonerp; - - /* parameters from the caller to rate_control_get_rate(): */ - struct ieee80211_hw_mode *mode; - u16 ethertype; + /* probe with this rate, or NULL for no probing */ + struct ieee80211_rate *probe; }; - struct rate_control_ops { struct module *module; const char *name; void (*tx_status)(void *priv, struct net_device *dev, struct sk_buff *skb, struct ieee80211_tx_status *status); - struct ieee80211_rate *(*get_rate)(void *priv, struct net_device *dev, - struct sk_buff *skb, - struct rate_control_extra *extra); + void (*get_rate)(void *priv, struct net_device *dev, + struct ieee80211_supported_band *band, + struct sk_buff *skb, + struct rate_selection *sel); void (*rate_init)(void *priv, void *priv_sta, struct ieee80211_local *local, struct sta_info *sta); void (*clear)(void *priv); @@ -72,25 +67,21 @@ void ieee80211_rate_control_unregister(struct rate_control_ops *ops); * first available algorithm. */ struct rate_control_ref *rate_control_alloc(const char *name, struct ieee80211_local *local); +void rate_control_get_rate(struct net_device *dev, + struct ieee80211_supported_band *sband, + struct sk_buff *skb, + struct rate_selection *sel); struct rate_control_ref *rate_control_get(struct rate_control_ref *ref); void rate_control_put(struct rate_control_ref *ref); -static inline void rate_control_tx_status(struct ieee80211_local *local, - struct net_device *dev, +static inline void rate_control_tx_status(struct net_device *dev, struct sk_buff *skb, struct ieee80211_tx_status *status) { + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct rate_control_ref *ref = local->rate_ctrl; - ref->ops->tx_status(ref->priv, dev, skb, status); -} - -static inline struct ieee80211_rate * -rate_control_get_rate(struct ieee80211_local *local, struct net_device *dev, - struct sk_buff *skb, struct rate_control_extra *extra) -{ - struct rate_control_ref *ref = local->rate_ctrl; - return ref->ops->get_rate(ref->priv, dev, skb, extra); + ref->ops->tx_status(ref->priv, dev, skb, status); } @@ -139,10 +130,74 @@ static inline void rate_control_remove_sta_debugfs(struct sta_info *sta) #endif } +static inline int rate_supported(struct sta_info *sta, + enum ieee80211_band band, + int index) +{ + return (sta == NULL || sta->supp_rates[band] & BIT(index)); +} + +static inline int +rate_lowest_index(struct ieee80211_local *local, + struct ieee80211_supported_band *sband, + struct sta_info *sta) +{ + int i; + + for (i = 0; i < sband->n_bitrates; i++) + if (rate_supported(sta, sband->band, i)) + return i; + + /* warn when we cannot find a rate. */ + WARN_ON(1); + + return 0; +} + +static inline struct ieee80211_rate * +rate_lowest(struct ieee80211_local *local, + struct ieee80211_supported_band *sband, + struct sta_info *sta) +{ + return &sband->bitrates[rate_lowest_index(local, sband, sta)]; +} + /* functions for rate control related to a device */ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, const char *name); void rate_control_deinitialize(struct ieee80211_local *local); + +/* Rate control algorithms */ +#if defined(RC80211_SIMPLE_COMPILE) || \ + (defined(CONFIG_MAC80211_RC_SIMPLE) && \ + !defined(CONFIG_MAC80211_RC_SIMPLE_MODULE)) +extern int rc80211_simple_init(void); +extern void rc80211_simple_exit(void); +#else +static inline int rc80211_simple_init(void) +{ + return 0; +} +static inline void rc80211_simple_exit(void) +{ +} +#endif + +#if defined(RC80211_PID_COMPILE) || \ + (defined(CONFIG_MAC80211_RC_PID) && \ + !defined(CONFIG_MAC80211_RC_PID_MODULE)) +extern int rc80211_pid_init(void); +extern void rc80211_pid_exit(void); +#else +static inline int rc80211_pid_init(void) +{ + return 0; +} +static inline void rc80211_pid_exit(void) +{ +} +#endif + #endif /* IEEE80211_RATE_H */ diff --git a/package/mac80211/src/net/mac80211/ieee80211_sta.c b/package/mac80211/src/net/mac80211/ieee80211_sta.c index 7c93f29..92d7450 100644 --- a/package/mac80211/src/net/mac80211/ieee80211_sta.c +++ b/package/mac80211/src/net/mac80211/ieee80211_sta.c @@ -12,7 +12,6 @@ */ /* TODO: - * BSS table: use <BSSID,SSID> as the key to support multi-SSID APs * order BSS list by RSSI(?) ("quality of AP") * scan result table filtering (by capability (privacy, IBSS/BSS, WPA/RSN IE, * SSID) @@ -58,10 +57,25 @@ #define ERP_INFO_USE_PROTECTION BIT(1) +/* mgmt header + 1 byte action code */ +#define IEEE80211_MIN_ACTION_SIZE (24 + 1) + +#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 +#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C +#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0 +#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 +#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 + +/* next values represent the buffer size for A-MPDU frame. + * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) */ +#define IEEE80211_MIN_AMPDU_BUF 0x8 +#define IEEE80211_MAX_AMPDU_BUF 0x40 + static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst, u8 *ssid, size_t ssid_len); static struct ieee80211_sta_bss * -ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid); +ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq, + u8 *ssid, u8 ssid_len); static void ieee80211_rx_bss_put(struct net_device *dev, struct ieee80211_sta_bss *bss); static int ieee80211_sta_find_ibss(struct net_device *dev, @@ -90,7 +104,8 @@ struct ieee802_11_elems { u8 *ext_supp_rates; u8 *wmm_info; u8 *wmm_param; - + u8 *ht_cap_elem; + u8 *ht_info_elem; /* length of them, respectively */ u8 ssid_len; u8 supp_rates_len; @@ -106,16 +121,15 @@ struct ieee802_11_elems { u8 ext_supp_rates_len; u8 wmm_info_len; u8 wmm_param_len; + u8 ht_cap_elem_len; + u8 ht_info_elem_len; }; -enum ParseRes { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 }; - -static enum ParseRes ieee802_11_parse_elems(u8 *start, size_t len, - struct ieee802_11_elems *elems) +static void ieee802_11_parse_elems(u8 *start, size_t len, + struct ieee802_11_elems *elems) { size_t left = len; u8 *pos = start; - int unknown = 0; memset(elems, 0, sizeof(*elems)); @@ -126,15 +140,8 @@ static enum ParseRes ieee802_11_parse_elems(u8 *start, size_t len, elen = *pos++; left -= 2; - if (elen > left) { -#if 0 - if (net_ratelimit()) - printk(KERN_DEBUG "IEEE 802.11 element parse " - "failed (id=%d elen=%d left=%d)\n", - id, elen, left); -#endif - return ParseFailed; - } + if (elen > left) + return; switch (id) { case WLAN_EID_SSID: @@ -200,29 +207,24 @@ static enum ParseRes ieee802_11_parse_elems(u8 *start, size_t len, elems->ext_supp_rates = pos; elems->ext_supp_rates_len = elen; break; + case WLAN_EID_HT_CAPABILITY: + elems->ht_cap_elem = pos; + elems->ht_cap_elem_len = elen; + break; + case WLAN_EID_HT_EXTRA_INFO: + elems->ht_info_elem = pos; + elems->ht_info_elem_len = elen; + break; default: -#if 0 - printk(KERN_DEBUG "IEEE 802.11 element parse ignored " - "unknown element (id=%d elen=%d)\n", - id, elen); -#endif - unknown++; break; } left -= elen; pos += elen; } - - /* Do not trigger error if left == 1 as Apple Airport base stations - * send AssocResps that are one spurious byte too long. */ - - return unknown ? ParseUnknown : ParseOK; } - - static int ecw2cw(int ecw) { int cw = 1; @@ -311,49 +313,89 @@ static void ieee80211_sta_wmm_params(struct net_device *dev, } -static void ieee80211_handle_erp_ie(struct net_device *dev, u8 erp_value) +static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata, + u8 erp_value) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf; struct ieee80211_if_sta *ifsta = &sdata->u.sta; - int use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0; - int preamble_mode = (erp_value & WLAN_ERP_BARKER_PREAMBLE) != 0; - u8 changes = 0; + bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0; + bool preamble_mode = (erp_value & WLAN_ERP_BARKER_PREAMBLE) != 0; + DECLARE_MAC_BUF(mac); + u32 changed = 0; - if (use_protection != !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION)) { + if (use_protection != bss_conf->use_cts_prot) { if (net_ratelimit()) { printk(KERN_DEBUG "%s: CTS protection %s (BSSID=" - MAC_FMT ")\n", - dev->name, + "%s)\n", + sdata->dev->name, use_protection ? "enabled" : "disabled", - MAC_ARG(ifsta->bssid)); + print_mac(mac, ifsta->bssid)); } - if (use_protection) - sdata->flags |= IEEE80211_SDATA_USE_PROTECTION; - else - sdata->flags &= ~IEEE80211_SDATA_USE_PROTECTION; - changes |= IEEE80211_ERP_CHANGE_PROTECTION; + bss_conf->use_cts_prot = use_protection; + changed |= BSS_CHANGED_ERP_CTS_PROT; } - if (preamble_mode != !(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE)) { + if (preamble_mode != bss_conf->use_short_preamble) { if (net_ratelimit()) { printk(KERN_DEBUG "%s: switched to %s barker preamble" - " (BSSID=" MAC_FMT ")\n", - dev->name, + " (BSSID=%s)\n", + sdata->dev->name, (preamble_mode == WLAN_ERP_PREAMBLE_SHORT) ? "short" : "long", - MAC_ARG(ifsta->bssid)); + print_mac(mac, ifsta->bssid)); } - if (preamble_mode) - sdata->flags &= ~IEEE80211_SDATA_SHORT_PREAMBLE; - else - sdata->flags |= IEEE80211_SDATA_SHORT_PREAMBLE; - changes |= IEEE80211_ERP_CHANGE_PREAMBLE; + bss_conf->use_short_preamble = preamble_mode; + changed |= BSS_CHANGED_ERP_PREAMBLE; } - if (changes) - ieee80211_erp_info_change_notify(dev, changes); + return changed; +} + +int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, + struct ieee80211_ht_info *ht_info) +{ + + if (ht_info == NULL) + return -EINVAL; + + memset(ht_info, 0, sizeof(*ht_info)); + + if (ht_cap_ie) { + u8 ampdu_info = ht_cap_ie->ampdu_params_info; + + ht_info->ht_supported = 1; + ht_info->cap = le16_to_cpu(ht_cap_ie->cap_info); + ht_info->ampdu_factor = + ampdu_info & IEEE80211_HT_CAP_AMPDU_FACTOR; + ht_info->ampdu_density = + (ampdu_info & IEEE80211_HT_CAP_AMPDU_DENSITY) >> 2; + memcpy(ht_info->supp_mcs_set, ht_cap_ie->supp_mcs_set, 16); + } else + ht_info->ht_supported = 0; + + return 0; } +int ieee80211_ht_addt_info_ie_to_ht_bss_info( + struct ieee80211_ht_addt_info *ht_add_info_ie, + struct ieee80211_ht_bss_info *bss_info) +{ + if (bss_info == NULL) + return -EINVAL; + + memset(bss_info, 0, sizeof(*bss_info)); + + if (ht_add_info_ie) { + u16 op_mode; + op_mode = le16_to_cpu(ht_add_info_ie->operation_mode); + + bss_info->primary_channel = ht_add_info_ie->control_chan; + bss_info->bss_cap = ht_add_info_ie->ht_param; + bss_info->bss_op_mode = (u8)(op_mode & 0xff); + } + + return 0; +} static void ieee80211_sta_send_associnfo(struct net_device *dev, struct ieee80211_if_sta *ifsta) @@ -410,26 +452,26 @@ static void ieee80211_set_associated(struct net_device *dev, struct ieee80211_if_sta *ifsta, bool assoc) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; union iwreq_data wrqu; - - if (!!(ifsta->flags & IEEE80211_STA_ASSOCIATED) == assoc) - return; + u32 changed = BSS_CHANGED_ASSOC; if (assoc) { - struct ieee80211_sub_if_data *sdata; struct ieee80211_sta_bss *bss; ifsta->flags |= IEEE80211_STA_ASSOCIATED; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_IF_TYPE_STA) + if (sdata->vif.type != IEEE80211_IF_TYPE_STA) return; - bss = ieee80211_rx_bss_get(dev, ifsta->bssid); + bss = ieee80211_rx_bss_get(dev, ifsta->bssid, + local->hw.conf.channel->center_freq, + ifsta->ssid, ifsta->ssid_len); if (bss) { if (bss->has_erp_value) - ieee80211_handle_erp_ie(dev, bss->erp_value); + changed |= ieee80211_handle_erp_ie( + sdata, bss->erp_value); ieee80211_rx_bss_put(dev, bss); } @@ -449,6 +491,9 @@ static void ieee80211_set_associated(struct net_device *dev, wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); ifsta->last_probe = jiffies; ieee80211_led_assoc(local, assoc); + + sdata->bss_conf.assoc = assoc; + ieee80211_bss_info_change_notify(sdata, changed); } static void ieee80211_set_disassoc(struct net_device *dev, @@ -523,18 +568,20 @@ static void ieee80211_send_auth(struct net_device *dev, static void ieee80211_authenticate(struct net_device *dev, struct ieee80211_if_sta *ifsta) { + DECLARE_MAC_BUF(mac); + ifsta->auth_tries++; if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) { - printk(KERN_DEBUG "%s: authentication with AP " MAC_FMT + printk(KERN_DEBUG "%s: authentication with AP %s" " timed out\n", - dev->name, MAC_ARG(ifsta->bssid)); + dev->name, print_mac(mac, ifsta->bssid)); ifsta->state = IEEE80211_DISABLED; return; } ifsta->state = IEEE80211_AUTHENTICATE; - printk(KERN_DEBUG "%s: authenticate with AP " MAC_FMT "\n", - dev->name, MAC_ARG(ifsta->bssid)); + printk(KERN_DEBUG "%s: authenticate with AP %s\n", + dev->name, print_mac(mac, ifsta->bssid)); ieee80211_send_auth(dev, ifsta, 1, NULL, 0, 0); @@ -546,7 +593,6 @@ static void ieee80211_send_assoc(struct net_device *dev, struct ieee80211_if_sta *ifsta) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_hw_mode *mode; struct sk_buff *skb; struct ieee80211_mgmt *mgmt; u8 *pos, *ies; @@ -554,6 +600,7 @@ static void ieee80211_send_assoc(struct net_device *dev, u16 capab; struct ieee80211_sta_bss *bss; int wmm = 0; + struct ieee80211_supported_band *sband; skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200 + ifsta->extra_ie_len + @@ -565,13 +612,20 @@ static void ieee80211_send_assoc(struct net_device *dev, } skb_reserve(skb, local->hw.extra_tx_headroom); - mode = local->oper_hw_mode; + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + capab = ifsta->capab; - if (mode->mode == MODE_IEEE80211G) { - capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME | - WLAN_CAPABILITY_SHORT_PREAMBLE; + + if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) { + if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) + capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; + if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) + capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; } - bss = ieee80211_rx_bss_get(dev, ifsta->bssid); + + bss = ieee80211_rx_bss_get(dev, ifsta->bssid, + local->hw.conf.channel->center_freq, + ifsta->ssid, ifsta->ssid_len); if (bss) { if (bss->capability & WLAN_CAPABILITY_PRIVACY) capab |= WLAN_CAPABILITY_PRIVACY; @@ -609,23 +663,23 @@ static void ieee80211_send_assoc(struct net_device *dev, *pos++ = ifsta->ssid_len; memcpy(pos, ifsta->ssid, ifsta->ssid_len); - len = mode->num_rates; + len = sband->n_bitrates; if (len > 8) len = 8; pos = skb_put(skb, len + 2); *pos++ = WLAN_EID_SUPP_RATES; *pos++ = len; for (i = 0; i < len; i++) { - int rate = mode->rates[i].rate; + int rate = sband->bitrates[i].bitrate; *pos++ = (u8) (rate / 5); } - if (mode->num_rates > len) { - pos = skb_put(skb, mode->num_rates - len + 2); + if (sband->n_bitrates > len) { + pos = skb_put(skb, sband->n_bitrates - len + 2); *pos++ = WLAN_EID_EXT_SUPP_RATES; - *pos++ = mode->num_rates - len; - for (i = len; i < mode->num_rates; i++) { - int rate = mode->rates[i].rate; + *pos++ = sband->n_bitrates - len; + for (i = len; i < sband->n_bitrates; i++) { + int rate = sband->bitrates[i].bitrate; *pos++ = (u8) (rate / 5); } } @@ -647,6 +701,20 @@ static void ieee80211_send_assoc(struct net_device *dev, *pos++ = 1; /* WME ver */ *pos++ = 0; } + /* wmm support is a must to HT */ + if (wmm && sband->ht_info.ht_supported) { + __le16 tmp = cpu_to_le16(sband->ht_info.cap); + pos = skb_put(skb, sizeof(struct ieee80211_ht_cap)+2); + *pos++ = WLAN_EID_HT_CAPABILITY; + *pos++ = sizeof(struct ieee80211_ht_cap); + memset(pos, 0, sizeof(struct ieee80211_ht_cap)); + memcpy(pos, &tmp, sizeof(u16)); + pos += sizeof(u16); + /* TODO: needs a define here for << 2 */ + *pos++ = sband->ht_info.ampdu_factor | + (sband->ht_info.ampdu_density << 2); + memcpy(pos, sband->ht_info.supp_mcs_set, 16); + } kfree(ifsta->assocreq_ies); ifsta->assocreq_ies_len = (skb->data + skb->len) - ies; @@ -719,42 +787,51 @@ static void ieee80211_send_disassoc(struct net_device *dev, static int ieee80211_privacy_mismatch(struct net_device *dev, struct ieee80211_if_sta *ifsta) { + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sta_bss *bss; - int res = 0; + int bss_privacy; + int wep_privacy; + int privacy_invoked; - if (!ifsta || (ifsta->flags & IEEE80211_STA_MIXED_CELL) || - ifsta->key_management_enabled) + if (!ifsta || (ifsta->flags & IEEE80211_STA_MIXED_CELL)) return 0; - bss = ieee80211_rx_bss_get(dev, ifsta->bssid); + bss = ieee80211_rx_bss_get(dev, ifsta->bssid, + local->hw.conf.channel->center_freq, + ifsta->ssid, ifsta->ssid_len); if (!bss) return 0; - if (ieee80211_sta_wep_configured(dev) != - !!(bss->capability & WLAN_CAPABILITY_PRIVACY)) - res = 1; + bss_privacy = !!(bss->capability & WLAN_CAPABILITY_PRIVACY); + wep_privacy = !!ieee80211_sta_wep_configured(dev); + privacy_invoked = !!(ifsta->flags & IEEE80211_STA_PRIVACY_INVOKED); ieee80211_rx_bss_put(dev, bss); - return res; + if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked)) + return 0; + + return 1; } static void ieee80211_associate(struct net_device *dev, struct ieee80211_if_sta *ifsta) { + DECLARE_MAC_BUF(mac); + ifsta->assoc_tries++; if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) { - printk(KERN_DEBUG "%s: association with AP " MAC_FMT + printk(KERN_DEBUG "%s: association with AP %s" " timed out\n", - dev->name, MAC_ARG(ifsta->bssid)); + dev->name, print_mac(mac, ifsta->bssid)); ifsta->state = IEEE80211_DISABLED; return; } ifsta->state = IEEE80211_ASSOCIATE; - printk(KERN_DEBUG "%s: associate with AP " MAC_FMT "\n", - dev->name, MAC_ARG(ifsta->bssid)); + printk(KERN_DEBUG "%s: associate with AP %s\n", + dev->name, print_mac(mac, ifsta->bssid)); if (ieee80211_privacy_mismatch(dev, ifsta)) { printk(KERN_DEBUG "%s: mismatch in privacy configuration and " "mixed-cell disabled - abort association\n", dev->name); @@ -774,6 +851,7 @@ static void ieee80211_associated(struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct sta_info *sta; int disassoc; + DECLARE_MAC_BUF(mac); /* TODO: start monitoring current AP signal quality and number of * missed beacons. Scan other channels every now and then and search @@ -784,8 +862,8 @@ static void ieee80211_associated(struct net_device *dev, sta = sta_info_get(local, ifsta->bssid); if (!sta) { - printk(KERN_DEBUG "%s: No STA entry for own AP " MAC_FMT "\n", - dev->name, MAC_ARG(ifsta->bssid)); + printk(KERN_DEBUG "%s: No STA entry for own AP %s\n", + dev->name, print_mac(mac, ifsta->bssid)); disassoc = 1; } else { disassoc = 0; @@ -793,9 +871,9 @@ static void ieee80211_associated(struct net_device *dev, sta->last_rx + IEEE80211_MONITORING_INTERVAL)) { if (ifsta->flags & IEEE80211_STA_PROBEREQ_POLL) { printk(KERN_DEBUG "%s: No ProbeResp from " - "current AP " MAC_FMT " - assume out of " + "current AP %s - assume out of " "range\n", - dev->name, MAC_ARG(ifsta->bssid)); + dev->name, print_mac(mac, ifsta->bssid)); disassoc = 1; sta_info_free(sta); } else @@ -816,12 +894,8 @@ static void ieee80211_associated(struct net_device *dev, sta_info_put(sta); } if (disassoc) { - union iwreq_data wrqu; - memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); - mod_timer(&ifsta->timer, jiffies + - IEEE80211_MONITORING_INTERVAL + 30 * HZ); + ifsta->state = IEEE80211_DISABLED; + ieee80211_set_associated(dev, ifsta, 0); } else { mod_timer(&ifsta->timer, jiffies + IEEE80211_MONITORING_INTERVAL); @@ -833,7 +907,7 @@ static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst, u8 *ssid, size_t ssid_len) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_hw_mode *mode; + struct ieee80211_supported_band *sband; struct sk_buff *skb; struct ieee80211_mgmt *mgmt; u8 *pos, *supp_rates, *esupp_rates = NULL; @@ -867,11 +941,10 @@ static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst, supp_rates = skb_put(skb, 2); supp_rates[0] = WLAN_EID_SUPP_RATES; supp_rates[1] = 0; - mode = local->oper_hw_mode; - for (i = 0; i < mode->num_rates; i++) { - struct ieee80211_rate *rate = &mode->rates[i]; - if (!(rate->flags & IEEE80211_RATE_SUPPORTED)) - continue; + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + + for (i = 0; i < sband->n_bitrates; i++) { + struct ieee80211_rate *rate = &sband->bitrates[i]; if (esupp_rates) { pos = skb_put(skb, 1); esupp_rates[1]++; @@ -884,7 +957,7 @@ static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst, pos = skb_put(skb, 1); supp_rates[1]++; } - *pos = rate->rate / 5; + *pos = rate->bitrate / 5; } ieee80211_sta_tx(dev, skb, 0); @@ -920,12 +993,7 @@ static void ieee80211_auth_challenge(struct net_device *dev, printk(KERN_DEBUG "%s: replying to auth challenge\n", dev->name); pos = mgmt->u.auth.variable; - if (ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems) - == ParseFailed) { - printk(KERN_DEBUG "%s: failed to parse Auth(challenge)\n", - dev->name); - return; - } + ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems); if (!elems.challenge) { printk(KERN_DEBUG "%s: no challenge IE in shared key auth " "frame\n", dev->name); @@ -935,6 +1003,503 @@ static void ieee80211_auth_challenge(struct net_device *dev, elems.challenge_len + 2, 1); } +static void ieee80211_send_addba_resp(struct net_device *dev, u8 *da, u16 tid, + u8 dialog_token, u16 status, u16 policy, + u16 buf_size, u16 timeout) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_if_sta *ifsta = &sdata->u.sta; + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sk_buff *skb; + struct ieee80211_mgmt *mgmt; + u16 capab; + + skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom + 1 + + sizeof(mgmt->u.action.u.addba_resp)); + if (!skb) { + printk(KERN_DEBUG "%s: failed to allocate buffer " + "for addba resp frame\n", dev->name); + return; + } + + skb_reserve(skb, local->hw.extra_tx_headroom); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); + memset(mgmt, 0, 24); + memcpy(mgmt->da, da, ETH_ALEN); + memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); + if (sdata->vif.type == IEEE80211_IF_TYPE_AP) + memcpy(mgmt->bssid, dev->dev_addr, ETH_ALEN); + else + memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN); + mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT, + IEEE80211_STYPE_ACTION); + + skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_resp)); + mgmt->u.action.category = WLAN_CATEGORY_BACK; + mgmt->u.action.u.addba_resp.action_code = WLAN_ACTION_ADDBA_RESP; + mgmt->u.action.u.addba_resp.dialog_token = dialog_token; + + capab = (u16)(policy << 1); /* bit 1 aggregation policy */ + capab |= (u16)(tid << 2); /* bit 5:2 TID number */ + capab |= (u16)(buf_size << 6); /* bit 15:6 max size of aggregation */ + + mgmt->u.action.u.addba_resp.capab = cpu_to_le16(capab); + mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout); + mgmt->u.action.u.addba_resp.status = cpu_to_le16(status); + + ieee80211_sta_tx(dev, skb, 0); + + return; +} + +void ieee80211_send_addba_request(struct net_device *dev, const u8 *da, + u16 tid, u8 dialog_token, u16 start_seq_num, + u16 agg_size, u16 timeout) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_if_sta *ifsta = &sdata->u.sta; + struct sk_buff *skb; + struct ieee80211_mgmt *mgmt; + u16 capab; + + skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom + 1 + + sizeof(mgmt->u.action.u.addba_req)); + + + if (!skb) { + printk(KERN_ERR "%s: failed to allocate buffer " + "for addba request frame\n", dev->name); + return; + } + skb_reserve(skb, local->hw.extra_tx_headroom); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); + memset(mgmt, 0, 24); + memcpy(mgmt->da, da, ETH_ALEN); + memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); + if (sdata->vif.type == IEEE80211_IF_TYPE_AP) + memcpy(mgmt->bssid, dev->dev_addr, ETH_ALEN); + else + memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN); + + mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT, + IEEE80211_STYPE_ACTION); + + skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_req)); + + mgmt->u.action.category = WLAN_CATEGORY_BACK; + mgmt->u.action.u.addba_req.action_code = WLAN_ACTION_ADDBA_REQ; + + mgmt->u.action.u.addba_req.dialog_token = dialog_token; + capab = (u16)(1 << 1); /* bit 1 aggregation policy */ + capab |= (u16)(tid << 2); /* bit 5:2 TID number */ + capab |= (u16)(agg_size << 6); /* bit 15:6 max size of aggergation */ + + mgmt->u.action.u.addba_req.capab = cpu_to_le16(capab); + + mgmt->u.action.u.addba_req.timeout = cpu_to_le16(timeout); + mgmt->u.action.u.addba_req.start_seq_num = + cpu_to_le16(start_seq_num << 4); + + ieee80211_sta_tx(dev, skb, 0); +} + +static void ieee80211_sta_process_addba_request(struct net_device *dev, + struct ieee80211_mgmt *mgmt, + size_t len) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_hw *hw = &local->hw; + struct ieee80211_conf *conf = &hw->conf; + struct sta_info *sta; + struct tid_ampdu_rx *tid_agg_rx; + u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num, status; + u8 dialog_token; + int ret = -EOPNOTSUPP; + DECLARE_MAC_BUF(mac); + + sta = sta_info_get(local, mgmt->sa); + if (!sta) + return; + + /* extract session parameters from addba request frame */ + dialog_token = mgmt->u.action.u.addba_req.dialog_token; + timeout = le16_to_cpu(mgmt->u.action.u.addba_req.timeout); + start_seq_num = + le16_to_cpu(mgmt->u.action.u.addba_req.start_seq_num) >> 4; + + capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); + ba_policy = (capab & IEEE80211_ADDBA_PARAM_POLICY_MASK) >> 1; + tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; + buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6; + + status = WLAN_STATUS_REQUEST_DECLINED; + + /* sanity check for incoming parameters: + * check if configuration can support the BA policy + * and if buffer size does not exceeds max value */ + if (((ba_policy != 1) + && (!(conf->ht_conf.cap & IEEE80211_HT_CAP_DELAY_BA))) + || (buf_size > IEEE80211_MAX_AMPDU_BUF)) { + status = WLAN_STATUS_INVALID_QOS_PARAM; +#ifdef CONFIG_MAC80211_HT_DEBUG + if (net_ratelimit()) + printk(KERN_DEBUG "Block Ack Req with bad params from " + "%s on tid %u. policy %d, buffer size %d\n", + print_mac(mac, mgmt->sa), tid, ba_policy, + buf_size); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + goto end_no_lock; + } + /* determine default buffer size */ + if (buf_size == 0) { + struct ieee80211_supported_band *sband; + + sband = local->hw.wiphy->bands[conf->channel->band]; + buf_size = IEEE80211_MIN_AMPDU_BUF; + buf_size = buf_size << sband->ht_info.ampdu_factor; + } + + tid_agg_rx = &sta->ampdu_mlme.tid_rx[tid]; + + /* examine state machine */ + spin_lock_bh(&sta->ampdu_mlme.ampdu_rx); + + if (tid_agg_rx->state != HT_AGG_STATE_IDLE) { +#ifdef CONFIG_MAC80211_HT_DEBUG + if (net_ratelimit()) + printk(KERN_DEBUG "unexpected Block Ack Req from " + "%s on tid %u\n", + print_mac(mac, mgmt->sa), tid); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + goto end; + } + + /* prepare reordering buffer */ + tid_agg_rx->reorder_buf = + kmalloc(buf_size * sizeof(struct sk_buf *), GFP_ATOMIC); + if ((!tid_agg_rx->reorder_buf) && net_ratelimit()) { + printk(KERN_ERR "can not allocate reordering buffer " + "to tid %d\n", tid); + goto end; + } + memset(tid_agg_rx->reorder_buf, 0, + buf_size * sizeof(struct sk_buf *)); + + if (local->ops->ampdu_action) + ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START, + sta->addr, tid, &start_seq_num); +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "Rx A-MPDU on tid %d result %d", tid, ret); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + + if (ret) { + kfree(tid_agg_rx->reorder_buf); + goto end; + } + + /* change state and send addba resp */ + tid_agg_rx->state = HT_AGG_STATE_OPERATIONAL; + tid_agg_rx->dialog_token = dialog_token; + tid_agg_rx->ssn = start_seq_num; + tid_agg_rx->head_seq_num = start_seq_num; + tid_agg_rx->buf_size = buf_size; + tid_agg_rx->timeout = timeout; + tid_agg_rx->stored_mpdu_num = 0; + status = WLAN_STATUS_SUCCESS; +end: + spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx); + +end_no_lock: + ieee80211_send_addba_resp(sta->dev, sta->addr, tid, dialog_token, + status, 1, buf_size, timeout); + sta_info_put(sta); +} + +static void ieee80211_sta_process_addba_resp(struct net_device *dev, + struct ieee80211_mgmt *mgmt, + size_t len) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_hw *hw = &local->hw; + struct sta_info *sta; + u16 capab; + u16 tid; + u8 *state; + + sta = sta_info_get(local, mgmt->sa); + if (!sta) + return; + + capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab); + tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; + + state = &sta->ampdu_mlme.tid_tx[tid].state; + + spin_lock_bh(&sta->ampdu_mlme.ampdu_tx); + + if (mgmt->u.action.u.addba_resp.dialog_token != + sta->ampdu_mlme.tid_tx[tid].dialog_token) { + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + sta_info_put(sta); + return; + } + + del_timer_sync(&sta->ampdu_mlme.tid_tx[tid].addba_resp_timer); +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + if (le16_to_cpu(mgmt->u.action.u.addba_resp.status) + == WLAN_STATUS_SUCCESS) { + if (!(*state & HT_ADDBA_REQUESTED_MSK)) { + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + printk(KERN_DEBUG "state not HT_ADDBA_REQUESTED_MSK:" + "%d\n", *state); + sta_info_put(sta); + return; + } + + if (*state & HT_ADDBA_RECEIVED_MSK) + printk(KERN_DEBUG "double addBA response\n"); + + *state |= HT_ADDBA_RECEIVED_MSK; + sta->ampdu_mlme.tid_tx[tid].addba_req_num = 0; + + if (*state == HT_AGG_STATE_OPERATIONAL) { + printk(KERN_DEBUG "Aggregation on for tid %d \n", tid); + ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]); + } + + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + printk(KERN_DEBUG "recipient accepted agg: tid %d \n", tid); + } else { + printk(KERN_DEBUG "recipient rejected agg: tid %d \n", tid); + + sta->ampdu_mlme.tid_tx[tid].addba_req_num++; + /* this will allow the state check in stop_BA_session */ + *state = HT_AGG_STATE_OPERATIONAL; + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + ieee80211_stop_tx_ba_session(hw, sta->addr, tid, + WLAN_BACK_INITIATOR); + } + sta_info_put(sta); +} + +void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, + u16 initiator, u16 reason_code) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_if_sta *ifsta = &sdata->u.sta; + struct sk_buff *skb; + struct ieee80211_mgmt *mgmt; + u16 params; + + skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom + 1 + + sizeof(mgmt->u.action.u.delba)); + + if (!skb) { + printk(KERN_ERR "%s: failed to allocate buffer " + "for delba frame\n", dev->name); + return; + } + + skb_reserve(skb, local->hw.extra_tx_headroom); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); + memset(mgmt, 0, 24); + memcpy(mgmt->da, da, ETH_ALEN); + memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); + if (sdata->vif.type == IEEE80211_IF_TYPE_AP) + memcpy(mgmt->bssid, dev->dev_addr, ETH_ALEN); + else + memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN); + mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT, + IEEE80211_STYPE_ACTION); + + skb_put(skb, 1 + sizeof(mgmt->u.action.u.delba)); + + mgmt->u.action.category = WLAN_CATEGORY_BACK; + mgmt->u.action.u.delba.action_code = WLAN_ACTION_DELBA; + params = (u16)(initiator << 11); /* bit 11 initiator */ + params |= (u16)(tid << 12); /* bit 15:12 TID number */ + + mgmt->u.action.u.delba.params = cpu_to_le16(params); + mgmt->u.action.u.delba.reason_code = cpu_to_le16(reason_code); + + ieee80211_sta_tx(dev, skb, 0); +} + +void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *ra, u16 tid, + u16 initiator, u16 reason) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_hw *hw = &local->hw; + struct sta_info *sta; + int ret, i; + + sta = sta_info_get(local, ra); + if (!sta) + return; + + /* check if TID is in operational state */ + spin_lock_bh(&sta->ampdu_mlme.ampdu_rx); + if (sta->ampdu_mlme.tid_rx[tid].state + != HT_AGG_STATE_OPERATIONAL) { + spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx); + sta_info_put(sta); + return; + } + sta->ampdu_mlme.tid_rx[tid].state = + HT_AGG_STATE_REQ_STOP_BA_MSK | + (initiator << HT_AGG_STATE_INITIATOR_SHIFT); + spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx); + + /* stop HW Rx aggregation. ampdu_action existence + * already verified in session init so we add the BUG_ON */ + BUG_ON(!local->ops->ampdu_action); + + ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_STOP, + ra, tid, NULL); + if (ret) + printk(KERN_DEBUG "HW problem - can not stop rx " + "aggergation for tid %d\n", tid); + + /* shutdown timer has not expired */ + if (initiator != WLAN_BACK_TIMER) + del_timer_sync(&sta->ampdu_mlme.tid_rx[tid]. + session_timer); + + /* check if this is a self generated aggregation halt */ + if (initiator == WLAN_BACK_RECIPIENT || initiator == WLAN_BACK_TIMER) + ieee80211_send_delba(dev, ra, tid, 0, reason); + + /* free the reordering buffer */ + for (i = 0; i < sta->ampdu_mlme.tid_rx[tid].buf_size; i++) { + if (sta->ampdu_mlme.tid_rx[tid].reorder_buf[i]) { + /* release the reordered frames */ + dev_kfree_skb(sta->ampdu_mlme.tid_rx[tid].reorder_buf[i]); + sta->ampdu_mlme.tid_rx[tid].stored_mpdu_num--; + sta->ampdu_mlme.tid_rx[tid].reorder_buf[i] = NULL; + } + } + kfree(sta->ampdu_mlme.tid_rx[tid].reorder_buf); + + sta->ampdu_mlme.tid_rx[tid].state = HT_AGG_STATE_IDLE; + sta_info_put(sta); +} + + +static void ieee80211_sta_process_delba(struct net_device *dev, + struct ieee80211_mgmt *mgmt, size_t len) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sta_info *sta; + u16 tid, params; + u16 initiator; + DECLARE_MAC_BUF(mac); + + sta = sta_info_get(local, mgmt->sa); + if (!sta) + return; + + params = le16_to_cpu(mgmt->u.action.u.delba.params); + tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12; + initiator = (params & IEEE80211_DELBA_PARAM_INITIATOR_MASK) >> 11; + +#ifdef CONFIG_MAC80211_HT_DEBUG + if (net_ratelimit()) + printk(KERN_DEBUG "delba from %s (%s) tid %d reason code %d\n", + print_mac(mac, mgmt->sa), + initiator ? "recipient" : "initiator", tid, + mgmt->u.action.u.delba.reason_code); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + + if (initiator == WLAN_BACK_INITIATOR) + ieee80211_sta_stop_rx_ba_session(dev, sta->addr, tid, + WLAN_BACK_INITIATOR, 0); + else { /* WLAN_BACK_RECIPIENT */ + spin_lock_bh(&sta->ampdu_mlme.ampdu_tx); + sta->ampdu_mlme.tid_tx[tid].state = + HT_AGG_STATE_OPERATIONAL; + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + ieee80211_stop_tx_ba_session(&local->hw, sta->addr, tid, + WLAN_BACK_RECIPIENT); + } + sta_info_put(sta); +} + +/* + * After sending add Block Ack request we activated a timer until + * add Block Ack response will arrive from the recipient. + * If this timer expires sta_addba_resp_timer_expired will be executed. + */ +void sta_addba_resp_timer_expired(unsigned long data) +{ + /* not an elegant detour, but there is no choice as the timer passes + * only one argument, and both sta_info and TID are needed, so init + * flow in sta_info_add gives the TID as data, while the timer_to_id + * array gives the sta through container_of */ + u16 tid = *(int *)data; + struct sta_info *temp_sta = container_of((void *)data, + struct sta_info, timer_to_tid[tid]); + + struct ieee80211_local *local = temp_sta->local; + struct ieee80211_hw *hw = &local->hw; + struct sta_info *sta; + u8 *state; + + sta = sta_info_get(local, temp_sta->addr); + if (!sta) + return; + + state = &sta->ampdu_mlme.tid_tx[tid].state; + /* check if the TID waits for addBA response */ + spin_lock_bh(&sta->ampdu_mlme.ampdu_tx); + if (!(*state & HT_ADDBA_REQUESTED_MSK)) { + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + *state = HT_AGG_STATE_IDLE; + printk(KERN_DEBUG "timer expired on tid %d but we are not " + "expecting addBA response there", tid); + goto timer_expired_exit; + } + + printk(KERN_DEBUG "addBA response timer expired on tid %d\n", tid); + + /* go through the state check in stop_BA_session */ + *state = HT_AGG_STATE_OPERATIONAL; + spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + ieee80211_stop_tx_ba_session(hw, temp_sta->addr, tid, + WLAN_BACK_INITIATOR); + +timer_expired_exit: + sta_info_put(sta); +} + +/* + * After receiving Block Ack Request (BAR) we activated a + * timer after each frame arrives from the originator. + * if this timer expires ieee80211_sta_stop_rx_ba_session will be executed. + */ +void sta_rx_agg_session_timer_expired(unsigned long data) +{ + /* not an elegant detour, but there is no choice as the timer passes + * only one argument, and verious sta_info are needed here, so init + * flow in sta_info_add gives the TID as data, while the timer_to_id + * array gives the sta through container_of */ + u8 *ptid = (u8 *)data; + u8 *timer_to_id = ptid - *ptid; + struct sta_info *sta = container_of(timer_to_id, struct sta_info, + timer_to_tid[0]); + + printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid); + ieee80211_sta_stop_rx_ba_session(sta->dev, sta->addr, (u16)*ptid, + WLAN_BACK_TIMER, + WLAN_REASON_QSTA_TIMEOUT); +} + static void ieee80211_rx_mgmt_auth(struct net_device *dev, struct ieee80211_if_sta *ifsta, @@ -943,37 +1508,38 @@ static void ieee80211_rx_mgmt_auth(struct net_device *dev, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); u16 auth_alg, auth_transaction, status_code; + DECLARE_MAC_BUF(mac); if (ifsta->state != IEEE80211_AUTHENTICATE && - sdata->type != IEEE80211_IF_TYPE_IBSS) { + sdata->vif.type != IEEE80211_IF_TYPE_IBSS) { printk(KERN_DEBUG "%s: authentication frame received from " - MAC_FMT ", but not in authenticate state - ignored\n", - dev->name, MAC_ARG(mgmt->sa)); + "%s, but not in authenticate state - ignored\n", + dev->name, print_mac(mac, mgmt->sa)); return; } if (len < 24 + 6) { printk(KERN_DEBUG "%s: too short (%zd) authentication frame " - "received from " MAC_FMT " - ignored\n", - dev->name, len, MAC_ARG(mgmt->sa)); + "received from %s - ignored\n", + dev->name, len, print_mac(mac, mgmt->sa)); return; } - if (sdata->type != IEEE80211_IF_TYPE_IBSS && + if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS && memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) { printk(KERN_DEBUG "%s: authentication frame received from " - "unknown AP (SA=" MAC_FMT " BSSID=" MAC_FMT ") - " - "ignored\n", dev->name, MAC_ARG(mgmt->sa), - MAC_ARG(mgmt->bssid)); + "unknown AP (SA=%s BSSID=%s) - " + "ignored\n", dev->name, print_mac(mac, mgmt->sa), + print_mac(mac, mgmt->bssid)); return; } - if (sdata->type != IEEE80211_IF_TYPE_IBSS && + if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS && memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0) { printk(KERN_DEBUG "%s: authentication frame received from " - "unknown BSSID (SA=" MAC_FMT " BSSID=" MAC_FMT ") - " - "ignored\n", dev->name, MAC_ARG(mgmt->sa), - MAC_ARG(mgmt->bssid)); + "unknown BSSID (SA=%s BSSID=%s) - " + "ignored\n", dev->name, print_mac(mac, mgmt->sa), + print_mac(mac, mgmt->bssid)); return; } @@ -981,12 +1547,12 @@ static void ieee80211_rx_mgmt_auth(struct net_device *dev, auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction); status_code = le16_to_cpu(mgmt->u.auth.status_code); - printk(KERN_DEBUG "%s: RX authentication from " MAC_FMT " (alg=%d " + printk(KERN_DEBUG "%s: RX authentication from %s (alg=%d " "transaction=%d status=%d)\n", - dev->name, MAC_ARG(mgmt->sa), auth_alg, + dev->name, print_mac(mac, mgmt->sa), auth_alg, auth_transaction, status_code); - if (sdata->type == IEEE80211_IF_TYPE_IBSS) { + if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { /* IEEE 802.11 standard does not require authentication in IBSS * networks and most implementations do not seem to use it. * However, try to reply to authentication attempts if someone @@ -1070,27 +1636,28 @@ static void ieee80211_rx_mgmt_deauth(struct net_device *dev, size_t len) { u16 reason_code; + DECLARE_MAC_BUF(mac); if (len < 24 + 2) { printk(KERN_DEBUG "%s: too short (%zd) deauthentication frame " - "received from " MAC_FMT " - ignored\n", - dev->name, len, MAC_ARG(mgmt->sa)); + "received from %s - ignored\n", + dev->name, len, print_mac(mac, mgmt->sa)); return; } if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) { printk(KERN_DEBUG "%s: deauthentication frame received from " - "unknown AP (SA=" MAC_FMT " BSSID=" MAC_FMT ") - " - "ignored\n", dev->name, MAC_ARG(mgmt->sa), - MAC_ARG(mgmt->bssid)); + "unknown AP (SA=%s BSSID=%s) - " + "ignored\n", dev->name, print_mac(mac, mgmt->sa), + print_mac(mac, mgmt->bssid)); return; } reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); - printk(KERN_DEBUG "%s: RX deauthentication from " MAC_FMT + printk(KERN_DEBUG "%s: RX deauthentication from %s" " (reason=%d)\n", - dev->name, MAC_ARG(mgmt->sa), reason_code); + dev->name, print_mac(mac, mgmt->sa), reason_code); if (ifsta->flags & IEEE80211_STA_AUTHENTICATED) { printk(KERN_DEBUG "%s: deauthenticated\n", dev->name); @@ -1115,27 +1682,28 @@ static void ieee80211_rx_mgmt_disassoc(struct net_device *dev, size_t len) { u16 reason_code; + DECLARE_MAC_BUF(mac); if (len < 24 + 2) { printk(KERN_DEBUG "%s: too short (%zd) disassociation frame " - "received from " MAC_FMT " - ignored\n", - dev->name, len, MAC_ARG(mgmt->sa)); + "received from %s - ignored\n", + dev->name, len, print_mac(mac, mgmt->sa)); return; } if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) { printk(KERN_DEBUG "%s: disassociation frame received from " - "unknown AP (SA=" MAC_FMT " BSSID=" MAC_FMT ") - " - "ignored\n", dev->name, MAC_ARG(mgmt->sa), - MAC_ARG(mgmt->bssid)); + "unknown AP (SA=%s BSSID=%s) - " + "ignored\n", dev->name, print_mac(mac, mgmt->sa), + print_mac(mac, mgmt->bssid)); return; } reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); - printk(KERN_DEBUG "%s: RX disassociation from " MAC_FMT + printk(KERN_DEBUG "%s: RX disassociation from %s" " (reason=%d)\n", - dev->name, MAC_ARG(mgmt->sa), reason_code); + dev->name, print_mac(mac, mgmt->sa), reason_code); if (ifsta->flags & IEEE80211_STA_ASSOCIATED) printk(KERN_DEBUG "%s: disassociated\n", dev->name); @@ -1150,58 +1718,58 @@ static void ieee80211_rx_mgmt_disassoc(struct net_device *dev, } -static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev, +static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, struct ieee80211_if_sta *ifsta, struct ieee80211_mgmt *mgmt, size_t len, int reassoc) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_hw_mode *mode; + struct ieee80211_local *local = sdata->local; + struct net_device *dev = sdata->dev; + struct ieee80211_supported_band *sband; struct sta_info *sta; - u32 rates; + u64 rates, basic_rates; u16 capab_info, status_code, aid; struct ieee802_11_elems elems; + struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf; u8 *pos; int i, j; + DECLARE_MAC_BUF(mac); + bool have_higher_than_11mbit = false; /* AssocResp and ReassocResp have identical structure, so process both * of them in this function. */ if (ifsta->state != IEEE80211_ASSOCIATE) { printk(KERN_DEBUG "%s: association frame received from " - MAC_FMT ", but not in associate state - ignored\n", - dev->name, MAC_ARG(mgmt->sa)); + "%s, but not in associate state - ignored\n", + dev->name, print_mac(mac, mgmt->sa)); return; } if (len < 24 + 6) { printk(KERN_DEBUG "%s: too short (%zd) association frame " - "received from " MAC_FMT " - ignored\n", - dev->name, len, MAC_ARG(mgmt->sa)); + "received from %s - ignored\n", + dev->name, len, print_mac(mac, mgmt->sa)); return; } if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) { printk(KERN_DEBUG "%s: association frame received from " - "unknown AP (SA=" MAC_FMT " BSSID=" MAC_FMT ") - " - "ignored\n", dev->name, MAC_ARG(mgmt->sa), - MAC_ARG(mgmt->bssid)); + "unknown AP (SA=%s BSSID=%s) - " + "ignored\n", dev->name, print_mac(mac, mgmt->sa), + print_mac(mac, mgmt->bssid)); return; } capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info); status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); aid = le16_to_cpu(mgmt->u.assoc_resp.aid); - if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14))) - printk(KERN_DEBUG "%s: invalid aid value %d; bits 15:14 not " - "set\n", dev->name, aid); - aid &= ~(BIT(15) | BIT(14)); - printk(KERN_DEBUG "%s: RX %sssocResp from " MAC_FMT " (capab=0x%x " + printk(KERN_DEBUG "%s: RX %sssocResp from %s (capab=0x%x " "status=%d aid=%d)\n", - dev->name, reassoc ? "Rea" : "A", MAC_ARG(mgmt->sa), - capab_info, status_code, aid); + dev->name, reassoc ? "Rea" : "A", print_mac(mac, mgmt->sa), + capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14)))); if (status_code != WLAN_STATUS_SUCCESS) { printk(KERN_DEBUG "%s: AP denied association (code=%d)\n", @@ -1213,13 +1781,13 @@ static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev, return; } + if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14))) + printk(KERN_DEBUG "%s: invalid aid value %d; bits 15:14 not " + "set\n", dev->name, aid); + aid &= ~(BIT(15) | BIT(14)); + pos = mgmt->u.assoc_resp.variable; - if (ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems) - == ParseFailed) { - printk(KERN_DEBUG "%s: failed to parse AssocResp\n", - dev->name); - return; - } + ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems); if (!elems.supp_rates) { printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n", @@ -1227,18 +1795,6 @@ static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev, return; } - /* it probably doesn't, but if the frame includes an ERP value then - * update our stored copy */ - if (elems.erp_info && elems.erp_info_len >= 1) { - struct ieee80211_sta_bss *bss - = ieee80211_rx_bss_get(dev, ifsta->bssid); - if (bss) { - bss->erp_value = elems.erp_info[0]; - bss->has_erp_value = 1; - ieee80211_rx_bss_put(dev, bss); - } - } - printk(KERN_DEBUG "%s: associated\n", dev->name); ifsta->aid = aid; ifsta->ap_capab = capab_info; @@ -1249,8 +1805,6 @@ static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev, if (ifsta->assocresp_ies) memcpy(ifsta->assocresp_ies, pos, ifsta->assocresp_ies_len); - ieee80211_set_associated(dev, ifsta, 1); - /* Add STA entry for the AP */ sta = sta_info_get(local, ifsta->bssid); if (!sta) { @@ -1261,7 +1815,9 @@ static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev, " AP\n", dev->name); return; } - bss = ieee80211_rx_bss_get(dev, ifsta->bssid); + bss = ieee80211_rx_bss_get(dev, ifsta->bssid, + local->hw.conf.channel->center_freq, + ifsta->ssid, ifsta->ssid_len); if (bss) { sta->last_rssi = bss->rssi; sta->last_signal = bss->signal; @@ -1271,23 +1827,63 @@ static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev, } sta->dev = dev; - sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_AP; + sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_AP | + WLAN_STA_AUTHORIZED; rates = 0; - mode = local->oper_hw_mode; + basic_rates = 0; + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + for (i = 0; i < elems.supp_rates_len; i++) { int rate = (elems.supp_rates[i] & 0x7f) * 5; - for (j = 0; j < mode->num_rates; j++) - if (mode->rates[j].rate == rate) + + if (rate > 110) + have_higher_than_11mbit = true; + + for (j = 0; j < sband->n_bitrates; j++) { + if (sband->bitrates[j].bitrate == rate) rates |= BIT(j); + if (elems.supp_rates[i] & 0x80) + basic_rates |= BIT(j); + } } + for (i = 0; i < elems.ext_supp_rates_len; i++) { int rate = (elems.ext_supp_rates[i] & 0x7f) * 5; - for (j = 0; j < mode->num_rates; j++) - if (mode->rates[j].rate == rate) + + if (rate > 110) + have_higher_than_11mbit = true; + + for (j = 0; j < sband->n_bitrates; j++) { + if (sband->bitrates[j].bitrate == rate) rates |= BIT(j); + if (elems.ext_supp_rates[i] & 0x80) + basic_rates |= BIT(j); + } + } + + sta->supp_rates[local->hw.conf.channel->band] = rates; + sdata->basic_rates = basic_rates; + + /* cf. IEEE 802.11 9.2.12 */ + if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ && + have_higher_than_11mbit) + sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE; + else + sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE; + + if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param && + local->ops->conf_ht) { + struct ieee80211_ht_bss_info bss_info; + + ieee80211_ht_cap_ie_to_ht_info( + (struct ieee80211_ht_cap *) + elems.ht_cap_elem, &sta->ht_info); + ieee80211_ht_addt_info_ie_to_ht_bss_info( + (struct ieee80211_ht_addt_info *) + elems.ht_info_elem, &bss_info); + ieee80211_hw_config_ht(local, 1, &sta->ht_info, &bss_info); } - sta->supp_rates = rates; rate_control_rate_init(sta, local); @@ -1297,6 +1893,9 @@ static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev, elems.wmm_param_len); } + /* set AID, ieee80211_set_associated() will tell the driver */ + bss_conf->aid = aid; + ieee80211_set_associated(dev, ifsta, 1); sta_info_put(sta); @@ -1337,7 +1936,8 @@ static void __ieee80211_rx_bss_hash_del(struct net_device *dev, static struct ieee80211_sta_bss * -ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid) +ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid, int freq, + u8 *ssid, u8 ssid_len) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sta_bss *bss; @@ -1348,6 +1948,11 @@ ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid) atomic_inc(&bss->users); atomic_inc(&bss->users); memcpy(bss->bssid, bssid, ETH_ALEN); + bss->freq = freq; + if (ssid && ssid_len <= IEEE80211_MAX_SSID_LEN) { + memcpy(bss->ssid, ssid, ssid_len); + bss->ssid_len = ssid_len; + } spin_lock_bh(&local->sta_bss_lock); /* TODO: order by RSSI? */ @@ -1359,7 +1964,8 @@ ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid) static struct ieee80211_sta_bss * -ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid) +ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq, + u8 *ssid, u8 ssid_len) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sta_bss *bss; @@ -1367,7 +1973,10 @@ ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid) spin_lock_bh(&local->sta_bss_lock); bss = local->sta_bss_hash[STA_HASH(bssid)]; while (bss) { - if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) { + if (!memcmp(bss->bssid, bssid, ETH_ALEN) && + bss->freq == freq && + bss->ssid_len == ssid_len && + (ssid_len == 0 || !memcmp(bss->ssid, ssid, ssid_len))) { atomic_inc(&bss->users); break; } @@ -1383,6 +1992,7 @@ static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss) kfree(bss->wpa_ie); kfree(bss->rsn_ie); kfree(bss->wmm_ie); + kfree(bss->ht_ie); kfree(bss); } @@ -1429,19 +2039,21 @@ static void ieee80211_rx_bss_info(struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee802_11_elems elems; size_t baselen; - int channel, invalid = 0, clen; + int freq, clen; struct ieee80211_sta_bss *bss; struct sta_info *sta; struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); u64 timestamp; + DECLARE_MAC_BUF(mac); + DECLARE_MAC_BUF(mac2); if (!beacon && memcmp(mgmt->da, dev->dev_addr, ETH_ALEN)) return; /* ignore ProbeResp to foreign address */ #if 0 - printk(KERN_DEBUG "%s: RX %s from " MAC_FMT " to " MAC_FMT "\n", + printk(KERN_DEBUG "%s: RX %s from %s to %s\n", dev->name, beacon ? "Beacon" : "Probe Response", - MAC_ARG(mgmt->sa), MAC_ARG(mgmt->da)); + print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da)); #endif baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt; @@ -1450,7 +2062,7 @@ static void ieee80211_rx_bss_info(struct net_device *dev, timestamp = le64_to_cpu(mgmt->u.beacon.timestamp); - if (sdata->type == IEEE80211_IF_TYPE_IBSS && beacon && + if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && beacon && memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0) { #ifdef CONFIG_MAC80211_IBSS_DEBUG static unsigned long last_tsf_debug = 0; @@ -1460,10 +2072,10 @@ static void ieee80211_rx_bss_info(struct net_device *dev, else tsf = -1LLU; if (time_after(jiffies, last_tsf_debug + 5 * HZ)) { - printk(KERN_DEBUG "RX beacon SA=" MAC_FMT " BSSID=" - MAC_FMT " TSF=0x%llx BCN=0x%llx diff=%lld " + printk(KERN_DEBUG "RX beacon SA=%s BSSID=" + "%s TSF=0x%llx BCN=0x%llx diff=%lld " "@%lu\n", - MAC_ARG(mgmt->sa), MAC_ARG(mgmt->bssid), + print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->bssid), (unsigned long long)tsf, (unsigned long long)timestamp, (unsigned long long)(tsf - timestamp), @@ -1473,23 +2085,27 @@ static void ieee80211_rx_bss_info(struct net_device *dev, #endif /* CONFIG_MAC80211_IBSS_DEBUG */ } - if (ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, - &elems) == ParseFailed) - invalid = 1; + ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems); - if (sdata->type == IEEE80211_IF_TYPE_IBSS && elems.supp_rates && + if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && elems.supp_rates && memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0 && (sta = sta_info_get(local, mgmt->sa))) { - struct ieee80211_hw_mode *mode; - struct ieee80211_rate *rates; + struct ieee80211_supported_band *sband; + struct ieee80211_rate *bitrates; size_t num_rates; - u32 supp_rates, prev_rates; + u64 supp_rates, prev_rates; int i, j; - mode = local->sta_scanning ? - local->scan_hw_mode : local->oper_hw_mode; - rates = mode->rates; - num_rates = mode->num_rates; + sband = local->hw.wiphy->bands[rx_status->band]; + + if (!sband) { + WARN_ON(1); + sband = local->hw.wiphy->bands[ + local->hw.conf.channel->band]; + } + + bitrates = sband->bitrates; + num_rates = sband->n_bitrates; supp_rates = 0; for (i = 0; i < elems.supp_rates_len + @@ -1503,24 +2119,27 @@ static void ieee80211_rx_bss_info(struct net_device *dev, [i - elems.supp_rates_len]; own_rate = 5 * (rate & 0x7f); for (j = 0; j < num_rates; j++) - if (rates[j].rate == own_rate) + if (bitrates[j].bitrate == own_rate) supp_rates |= BIT(j); } - prev_rates = sta->supp_rates; - sta->supp_rates &= supp_rates; - if (sta->supp_rates == 0) { + prev_rates = sta->supp_rates[rx_status->band]; + sta->supp_rates[rx_status->band] &= supp_rates; + if (sta->supp_rates[rx_status->band] == 0) { /* No matching rates - this should not really happen. * Make sure that at least one rate is marked * supported to avoid issues with TX rate ctrl. */ - sta->supp_rates = sdata->u.sta.supp_rates_bits; + sta->supp_rates[rx_status->band] = + sdata->u.sta.supp_rates_bits[rx_status->band]; } - if (sta->supp_rates != prev_rates) { + if (sta->supp_rates[rx_status->band] != prev_rates) { printk(KERN_DEBUG "%s: updated supp_rates set for " - MAC_FMT " based on beacon info (0x%x & 0x%x -> " - "0x%x)\n", - dev->name, MAC_ARG(sta->addr), prev_rates, - supp_rates, sta->supp_rates); + "%s based on beacon info (0x%llx & 0x%llx -> " + "0x%llx)\n", + dev->name, print_mac(mac, sta->addr), + (unsigned long long) prev_rates, + (unsigned long long) supp_rates, + (unsigned long long) sta->supp_rates[rx_status->band]); } sta_info_put(sta); } @@ -1529,13 +2148,15 @@ static void ieee80211_rx_bss_info(struct net_device *dev, return; if (elems.ds_params && elems.ds_params_len == 1) - channel = elems.ds_params[0]; + freq = ieee80211_channel_to_frequency(elems.ds_params[0]); else - channel = rx_status->channel; + freq = rx_status->freq; - bss = ieee80211_rx_bss_get(dev, mgmt->bssid); + bss = ieee80211_rx_bss_get(dev, mgmt->bssid, freq, + elems.ssid, elems.ssid_len); if (!bss) { - bss = ieee80211_rx_bss_add(dev, mgmt->bssid); + bss = ieee80211_rx_bss_add(dev, mgmt->bssid, freq, + elems.ssid, elems.ssid_len); if (!bss) return; } else { @@ -1547,6 +2168,8 @@ static void ieee80211_rx_bss_info(struct net_device *dev, #endif } + bss->band = rx_status->band; + if (bss->probe_resp && beacon) { /* Do not allow beacon to override data from Probe Response. */ ieee80211_rx_bss_put(dev, bss); @@ -1561,10 +2184,6 @@ static void ieee80211_rx_bss_info(struct net_device *dev, bss->beacon_int = le16_to_cpu(mgmt->u.beacon.beacon_int); bss->capability = le16_to_cpu(mgmt->u.beacon.capab_info); - if (elems.ssid && elems.ssid_len <= IEEE80211_MAX_SSID_LEN) { - memcpy(bss->ssid, elems.ssid, elems.ssid_len); - bss->ssid_len = elems.ssid_len; - } bss->supp_rates_len = 0; if (elems.supp_rates) { @@ -1632,23 +2251,23 @@ static void ieee80211_rx_bss_info(struct net_device *dev, bss->wmm_ie = NULL; bss->wmm_ie_len = 0; } - - - bss->hw_mode = rx_status->phymode; - bss->channel = channel; - bss->freq = rx_status->freq; - if (channel != rx_status->channel && - (bss->hw_mode == MODE_IEEE80211G || - bss->hw_mode == MODE_IEEE80211B) && - channel >= 1 && channel <= 14) { - static const int freq_list[] = { - 2412, 2417, 2422, 2427, 2432, 2437, 2442, - 2447, 2452, 2457, 2462, 2467, 2472, 2484 - }; - /* IEEE 802.11g/b mode can receive packets from neighboring - * channels, so map the channel into frequency. */ - bss->freq = freq_list[channel - 1]; + if (elems.ht_cap_elem && + (!bss->ht_ie || bss->ht_ie_len != elems.ht_cap_elem_len || + memcmp(bss->ht_ie, elems.ht_cap_elem, elems.ht_cap_elem_len))) { + kfree(bss->ht_ie); + bss->ht_ie = kmalloc(elems.ht_cap_elem_len + 2, GFP_ATOMIC); + if (bss->ht_ie) { + memcpy(bss->ht_ie, elems.ht_cap_elem - 2, + elems.ht_cap_elem_len + 2); + bss->ht_ie_len = elems.ht_cap_elem_len + 2; + } else + bss->ht_ie_len = 0; + } else if (!elems.ht_cap_elem && bss->ht_ie) { + kfree(bss->ht_ie); + bss->ht_ie = NULL; + bss->ht_ie_len = 0; } + bss->timestamp = timestamp; bss->last_update = jiffies; bss->rssi = rx_status->ssi; @@ -1678,11 +2297,14 @@ static void ieee80211_rx_mgmt_beacon(struct net_device *dev, struct ieee80211_if_sta *ifsta; size_t baselen; struct ieee802_11_elems elems; + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_conf *conf = &local->hw.conf; + u32 changed = 0; ieee80211_rx_bss_info(dev, mgmt, len, rx_status, 1); sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_IF_TYPE_STA) + if (sdata->vif.type != IEEE80211_IF_TYPE_STA) return; ifsta = &sdata->u.sta; @@ -1695,17 +2317,34 @@ static void ieee80211_rx_mgmt_beacon(struct net_device *dev, if (baselen > len) return; - if (ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, - &elems) == ParseFailed) - return; + ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems); if (elems.erp_info && elems.erp_info_len >= 1) - ieee80211_handle_erp_ie(dev, elems.erp_info[0]); + changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]); + + if (elems.ht_cap_elem && elems.ht_info_elem && + elems.wmm_param && local->ops->conf_ht && + conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) { + struct ieee80211_ht_bss_info bss_info; + + ieee80211_ht_addt_info_ie_to_ht_bss_info( + (struct ieee80211_ht_addt_info *) + elems.ht_info_elem, &bss_info); + /* check if AP changed bss inforamation */ + if ((conf->ht_bss_conf.primary_channel != + bss_info.primary_channel) || + (conf->ht_bss_conf.bss_cap != bss_info.bss_cap) || + (conf->ht_bss_conf.bss_op_mode != bss_info.bss_op_mode)) + ieee80211_hw_config_ht(local, 1, &conf->ht_conf, + &bss_info); + } if (elems.wmm_param && (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) { ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param, elems.wmm_param_len); } + + ieee80211_bss_info_change_notify(sdata, changed); } @@ -1721,8 +2360,13 @@ static void ieee80211_rx_mgmt_probe_req(struct net_device *dev, struct sk_buff *skb; struct ieee80211_mgmt *resp; u8 *pos, *end; + DECLARE_MAC_BUF(mac); +#ifdef CONFIG_MAC80211_IBSS_DEBUG + DECLARE_MAC_BUF(mac2); + DECLARE_MAC_BUF(mac3); +#endif - if (sdata->type != IEEE80211_IF_TYPE_IBSS || + if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS || ifsta->state != IEEE80211_IBSS_JOINED || len < 24 + 2 || !ifsta->probe_resp) return; @@ -1733,10 +2377,10 @@ static void ieee80211_rx_mgmt_probe_req(struct net_device *dev, tx_last_beacon = 1; #ifdef CONFIG_MAC80211_IBSS_DEBUG - printk(KERN_DEBUG "%s: RX ProbeReq SA=" MAC_FMT " DA=" MAC_FMT " BSSID=" - MAC_FMT " (tx_last_beacon=%d)\n", - dev->name, MAC_ARG(mgmt->sa), MAC_ARG(mgmt->da), - MAC_ARG(mgmt->bssid), tx_last_beacon); + printk(KERN_DEBUG "%s: RX ProbeReq SA=%s DA=%s BSSID=" + "%s (tx_last_beacon=%d)\n", + dev->name, print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da), + print_mac(mac3, mgmt->bssid), tx_last_beacon); #endif /* CONFIG_MAC80211_IBSS_DEBUG */ if (!tx_last_beacon) @@ -1752,8 +2396,8 @@ static void ieee80211_rx_mgmt_probe_req(struct net_device *dev, pos + 2 + pos[1] > end) { if (net_ratelimit()) { printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq " - "from " MAC_FMT "\n", - dev->name, MAC_ARG(mgmt->sa)); + "from %s\n", + dev->name, print_mac(mac, mgmt->sa)); } return; } @@ -1772,12 +2416,52 @@ static void ieee80211_rx_mgmt_probe_req(struct net_device *dev, resp = (struct ieee80211_mgmt *) skb->data; memcpy(resp->da, mgmt->sa, ETH_ALEN); #ifdef CONFIG_MAC80211_IBSS_DEBUG - printk(KERN_DEBUG "%s: Sending ProbeResp to " MAC_FMT "\n", - dev->name, MAC_ARG(resp->da)); + printk(KERN_DEBUG "%s: Sending ProbeResp to %s\n", + dev->name, print_mac(mac, resp->da)); #endif /* CONFIG_MAC80211_IBSS_DEBUG */ ieee80211_sta_tx(dev, skb, 0); } +static void ieee80211_rx_mgmt_action(struct net_device *dev, + struct ieee80211_if_sta *ifsta, + struct ieee80211_mgmt *mgmt, + size_t len) +{ + if (len < IEEE80211_MIN_ACTION_SIZE) + return; + + switch (mgmt->u.action.category) { + case WLAN_CATEGORY_BACK: + switch (mgmt->u.action.u.addba_req.action_code) { + case WLAN_ACTION_ADDBA_REQ: + if (len < (IEEE80211_MIN_ACTION_SIZE + + sizeof(mgmt->u.action.u.addba_req))) + break; + ieee80211_sta_process_addba_request(dev, mgmt, len); + break; + case WLAN_ACTION_ADDBA_RESP: + if (len < (IEEE80211_MIN_ACTION_SIZE + + sizeof(mgmt->u.action.u.addba_resp))) + break; + ieee80211_sta_process_addba_resp(dev, mgmt, len); + break; + case WLAN_ACTION_DELBA: + if (len < (IEEE80211_MIN_ACTION_SIZE + + sizeof(mgmt->u.action.u.delba))) + break; + ieee80211_sta_process_delba(dev, mgmt, len); + break; + default: + if (net_ratelimit()) + printk(KERN_DEBUG "%s: Rx unknown A-MPDU action\n", + dev->name); + break; + } + break; + default: + break; + } +} void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, struct ieee80211_rx_status *rx_status) @@ -1807,6 +2491,7 @@ void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, case IEEE80211_STYPE_REASSOC_RESP: case IEEE80211_STYPE_DEAUTH: case IEEE80211_STYPE_DISASSOC: + case IEEE80211_STYPE_ACTION: skb_queue_tail(&ifsta->skb_queue, skb); queue_work(local->hw.workqueue, &ifsta->work); return; @@ -1853,10 +2538,10 @@ static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev, ieee80211_rx_mgmt_auth(dev, ifsta, mgmt, skb->len); break; case IEEE80211_STYPE_ASSOC_RESP: - ieee80211_rx_mgmt_assoc_resp(dev, ifsta, mgmt, skb->len, 0); + ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt, skb->len, 0); break; case IEEE80211_STYPE_REASSOC_RESP: - ieee80211_rx_mgmt_assoc_resp(dev, ifsta, mgmt, skb->len, 1); + ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt, skb->len, 1); break; case IEEE80211_STYPE_DEAUTH: ieee80211_rx_mgmt_deauth(dev, ifsta, mgmt, skb->len); @@ -1864,37 +2549,48 @@ static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev, case IEEE80211_STYPE_DISASSOC: ieee80211_rx_mgmt_disassoc(dev, ifsta, mgmt, skb->len); break; + case IEEE80211_STYPE_ACTION: + ieee80211_rx_mgmt_action(dev, ifsta, mgmt, skb->len); + break; } kfree_skb(skb); } -void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb, - struct ieee80211_rx_status *rx_status) +ieee80211_rx_result +ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb, + struct ieee80211_rx_status *rx_status) { struct ieee80211_mgmt *mgmt; u16 fc; - if (skb->len < 24) { - dev_kfree_skb(skb); - return; - } + if (skb->len < 2) + return RX_DROP_UNUSABLE; mgmt = (struct ieee80211_mgmt *) skb->data; fc = le16_to_cpu(mgmt->frame_control); + if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) + return RX_CONTINUE; + + if (skb->len < 24) + return RX_DROP_MONITOR; + if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) { if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP) { ieee80211_rx_mgmt_probe_resp(dev, mgmt, skb->len, rx_status); + dev_kfree_skb(skb); + return RX_QUEUED; } else if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) { ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len, rx_status); + dev_kfree_skb(skb); + return RX_QUEUED; } } - - dev_kfree_skb(skb); + return RX_CONTINUE; } @@ -1924,13 +2620,14 @@ static void ieee80211_sta_expire(struct net_device *dev) struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct sta_info *sta, *tmp; LIST_HEAD(tmp_list); + DECLARE_MAC_BUF(mac); write_lock_bh(&local->sta_lock); list_for_each_entry_safe(sta, tmp, &local->sta_list, list) if (time_after(jiffies, sta->last_rx + IEEE80211_IBSS_INACTIVITY_LIMIT)) { - printk(KERN_DEBUG "%s: expiring inactive STA " MAC_FMT - "\n", dev->name, MAC_ARG(sta->addr)); + printk(KERN_DEBUG "%s: expiring inactive STA %s\n", + dev->name, print_mac(mac, sta->addr)); __sta_info_get(sta); sta_info_remove(sta); list_add(&sta->list, &tmp_list); @@ -1983,13 +2680,13 @@ void ieee80211_sta_work(struct work_struct *work) if (!netif_running(dev)) return; - if (local->sta_scanning) + if (local->sta_sw_scanning || local->sta_hw_scanning) return; - if (sdata->type != IEEE80211_IF_TYPE_STA && - sdata->type != IEEE80211_IF_TYPE_IBSS) { + if (sdata->vif.type != IEEE80211_IF_TYPE_STA && + sdata->vif.type != IEEE80211_IF_TYPE_IBSS) { printk(KERN_DEBUG "%s: ieee80211_sta_work: non-STA interface " - "(type=%d)\n", dev->name, sdata->type); + "(type=%d)\n", dev->name, sdata->vif.type); return; } ifsta = &sdata->u.sta; @@ -2000,7 +2697,10 @@ void ieee80211_sta_work(struct work_struct *work) if (ifsta->state != IEEE80211_AUTHENTICATE && ifsta->state != IEEE80211_ASSOCIATE && test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) { - ieee80211_sta_start_scan(dev, NULL, 0); + if (ifsta->scan_ssid_len) + ieee80211_sta_start_scan(dev, ifsta->scan_ssid, ifsta->scan_ssid_len); + else + ieee80211_sta_start_scan(dev, NULL, 0); return; } @@ -2081,7 +2781,7 @@ void ieee80211_sta_req_auth(struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type != IEEE80211_IF_TYPE_STA) + if (sdata->vif.type != IEEE80211_IF_TYPE_STA) return; if ((ifsta->flags & (IEEE80211_STA_BSSID_SET | @@ -2098,7 +2798,8 @@ static int ieee80211_sta_match_ssid(struct ieee80211_if_sta *ifsta, { int tmp, hidden_ssid; - if (!memcmp(ifsta->ssid, ssid, ssid_len)) + if (ssid_len == ifsta->ssid_len && + !memcmp(ifsta->ssid, ssid, ssid_len)) return 1; if (ifsta->flags & IEEE80211_STA_AUTO_BSSID_SEL) @@ -2138,7 +2839,7 @@ static int ieee80211_sta_config_auth(struct net_device *dev, } spin_lock_bh(&local->sta_bss_lock); - freq = local->oper_channel->freq; + freq = local->oper_channel->center_freq; list_for_each_entry(bss, &local->sta_bss_list, list) { if (!(bss->capability & WLAN_CAPABILITY_ESS)) continue; @@ -2169,7 +2870,7 @@ static int ieee80211_sta_config_auth(struct net_device *dev, spin_unlock_bh(&local->sta_bss_lock); if (selected) { - ieee80211_set_channel(local, -1, selected->freq); + ieee80211_set_freq(local, selected->freq); if (!(ifsta->flags & IEEE80211_STA_SSID_SET)) ieee80211_sta_set_ssid(dev, selected->ssid, selected->ssid_len); @@ -2202,11 +2903,12 @@ static int ieee80211_sta_join_ibss(struct net_device *dev, struct sk_buff *skb; struct ieee80211_mgmt *mgmt; struct ieee80211_tx_control control; - struct ieee80211_rate *rate; - struct ieee80211_hw_mode *mode; - struct rate_control_extra extra; + struct rate_selection ratesel; u8 *pos; struct ieee80211_sub_if_data *sdata; + struct ieee80211_supported_band *sband; + + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; /* Remove possible STA entries from other IBSS networks. */ sta_info_flush(local, NULL); @@ -2226,12 +2928,11 @@ static int ieee80211_sta_join_ibss(struct net_device *dev, sdata->drop_unencrypted = bss->capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; - res = ieee80211_set_channel(local, -1, bss->freq); + res = ieee80211_set_freq(local, bss->freq); - if (!(local->oper_channel->flag & IEEE80211_CHAN_W_IBSS)) { - printk(KERN_DEBUG "%s: IBSS not allowed on channel %d " - "(%d MHz)\n", dev->name, local->hw.conf.channel, - local->hw.conf.freq); + if (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS) { + printk(KERN_DEBUG "%s: IBSS not allowed on frequency " + "%d MHz\n", dev->name, local->oper_channel->center_freq); return -1; } @@ -2268,10 +2969,12 @@ static int ieee80211_sta_join_ibss(struct net_device *dev, *pos++ = rates; memcpy(pos, bss->supp_rates, rates); - pos = skb_put(skb, 2 + 1); - *pos++ = WLAN_EID_DS_PARAMS; - *pos++ = 1; - *pos++ = bss->channel; + if (bss->band == IEEE80211_BAND_2GHZ) { + pos = skb_put(skb, 2 + 1); + *pos++ = WLAN_EID_DS_PARAMS; + *pos++ = 1; + *pos++ = ieee80211_frequency_to_channel(bss->freq); + } pos = skb_put(skb, 2 + 2); *pos++ = WLAN_EID_IBSS_PARAMS; @@ -2289,20 +2992,18 @@ static int ieee80211_sta_join_ibss(struct net_device *dev, } memset(&control, 0, sizeof(control)); - memset(&extra, 0, sizeof(extra)); - extra.mode = local->oper_hw_mode; - rate = rate_control_get_rate(local, dev, skb, &extra); - if (!rate) { + rate_control_get_rate(dev, sband, skb, &ratesel); + if (!ratesel.rate) { printk(KERN_DEBUG "%s: Failed to determine TX rate " "for IBSS beacon\n", dev->name); break; } - control.tx_rate = - ((sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) && - (rate->flags & IEEE80211_RATE_PREAMBLE2)) ? - rate->val2 : rate->val; + control.vif = &sdata->vif; + control.tx_rate = ratesel.rate; + if (sdata->bss_conf.use_short_preamble && + ratesel.rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) + control.flags |= IEEE80211_TXCTL_SHORT_PREAMBLE; control.antenna_sel_tx = local->hw.conf.antenna_sel_tx; - control.power_level = local->hw.conf.power_level; control.flags |= IEEE80211_TXCTL_NO_ACK; control.retry_limit = 1; @@ -2327,14 +3028,14 @@ static int ieee80211_sta_join_ibss(struct net_device *dev, } rates = 0; - mode = local->oper_hw_mode; + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; for (i = 0; i < bss->supp_rates_len; i++) { int bitrate = (bss->supp_rates[i] & 0x7f) * 5; - for (j = 0; j < mode->num_rates; j++) - if (mode->rates[j].rate == bitrate) + for (j = 0; j < sband->n_bitrates; j++) + if (sband->bitrates[j].bitrate == bitrate) rates |= BIT(j); } - ifsta->supp_rates_bits = rates; + ifsta->supp_rates_bits[local->hw.conf.channel->band] = rates; } while (0); if (skb) { @@ -2357,10 +3058,11 @@ static int ieee80211_sta_create_ibss(struct net_device *dev, { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sta_bss *bss; - struct ieee80211_sub_if_data *sdata; - struct ieee80211_hw_mode *mode; + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_supported_band *sband; u8 bssid[ETH_ALEN], *pos; int i; + DECLARE_MAC_BUF(mac); #if 0 /* Easier testing, use fixed BSSID. */ @@ -2376,32 +3078,31 @@ static int ieee80211_sta_create_ibss(struct net_device *dev, bssid[0] |= 0x02; #endif - printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID " MAC_FMT "\n", - dev->name, MAC_ARG(bssid)); + printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %s\n", + dev->name, print_mac(mac, bssid)); - bss = ieee80211_rx_bss_add(dev, bssid); + bss = ieee80211_rx_bss_add(dev, bssid, + local->hw.conf.channel->center_freq, + sdata->u.sta.ssid, sdata->u.sta.ssid_len); if (!bss) return -ENOMEM; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - mode = local->oper_hw_mode; + bss->band = local->hw.conf.channel->band; + sband = local->hw.wiphy->bands[bss->band]; if (local->hw.conf.beacon_int == 0) local->hw.conf.beacon_int = 100; bss->beacon_int = local->hw.conf.beacon_int; - bss->hw_mode = local->hw.conf.phymode; - bss->channel = local->hw.conf.channel; - bss->freq = local->hw.conf.freq; bss->last_update = jiffies; bss->capability = WLAN_CAPABILITY_IBSS; if (sdata->default_key) { bss->capability |= WLAN_CAPABILITY_PRIVACY; } else sdata->drop_unencrypted = 0; - bss->supp_rates_len = mode->num_rates; + bss->supp_rates_len = sband->n_bitrates; pos = bss->supp_rates; - for (i = 0; i < mode->num_rates; i++) { - int rate = mode->rates[i].rate; + for (i = 0; i < sband->n_bitrates; i++) { + int rate = sband->bitrates[i].bitrate; *pos++ = (u8) (rate / 5); } @@ -2417,6 +3118,8 @@ static int ieee80211_sta_find_ibss(struct net_device *dev, int found = 0; u8 bssid[ETH_ALEN]; int active_ibss; + DECLARE_MAC_BUF(mac); + DECLARE_MAC_BUF(mac2); if (ifsta->ssid_len == 0) return -EINVAL; @@ -2433,8 +3136,8 @@ static int ieee80211_sta_find_ibss(struct net_device *dev, || !(bss->capability & WLAN_CAPABILITY_IBSS)) continue; #ifdef CONFIG_MAC80211_IBSS_DEBUG - printk(KERN_DEBUG " bssid=" MAC_FMT " found\n", - MAC_ARG(bss->bssid)); + printk(KERN_DEBUG " bssid=%s found\n", + print_mac(mac, bss->bssid)); #endif /* CONFIG_MAC80211_IBSS_DEBUG */ memcpy(bssid, bss->bssid, ETH_ALEN); found = 1; @@ -2444,14 +3147,16 @@ static int ieee80211_sta_find_ibss(struct net_device *dev, spin_unlock_bh(&local->sta_bss_lock); #ifdef CONFIG_MAC80211_IBSS_DEBUG - printk(KERN_DEBUG " sta_find_ibss: selected " MAC_FMT " current " - MAC_FMT "\n", MAC_ARG(bssid), MAC_ARG(ifsta->bssid)); + printk(KERN_DEBUG " sta_find_ibss: selected %s current " + "%s\n", print_mac(mac, bssid), print_mac(mac2, ifsta->bssid)); #endif /* CONFIG_MAC80211_IBSS_DEBUG */ if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0 && - (bss = ieee80211_rx_bss_get(dev, bssid))) { - printk(KERN_DEBUG "%s: Selected IBSS BSSID " MAC_FMT + (bss = ieee80211_rx_bss_get(dev, bssid, + local->hw.conf.channel->center_freq, + ifsta->ssid, ifsta->ssid_len))) { + printk(KERN_DEBUG "%s: Selected IBSS BSSID %s" " based on configured SSID\n", - dev->name, MAC_ARG(bssid)); + dev->name, print_mac(mac, bssid)); return ieee80211_sta_join_ibss(dev, ifsta, bss); } #ifdef CONFIG_MAC80211_IBSS_DEBUG @@ -2475,13 +3180,13 @@ static int ieee80211_sta_find_ibss(struct net_device *dev, if (time_after(jiffies, ifsta->ibss_join_req + IEEE80211_IBSS_JOIN_TIMEOUT)) { if ((ifsta->flags & IEEE80211_STA_CREATE_IBSS) && - local->oper_channel->flag & IEEE80211_CHAN_W_IBSS) + (!(local->oper_channel->flags & + IEEE80211_CHAN_NO_IBSS))) return ieee80211_sta_create_ibss(dev, ifsta); if (ifsta->flags & IEEE80211_STA_CREATE_IBSS) { - printk(KERN_DEBUG "%s: IBSS not allowed on the" - " configured channel %d (%d MHz)\n", - dev->name, local->hw.conf.channel, - local->hw.conf.freq); + printk(KERN_DEBUG "%s: IBSS not allowed on" + " %d MHz\n", dev->name, + local->hw.conf.channel->center_freq); } /* No IBSS found - decrease scan interval and continue @@ -2500,7 +3205,7 @@ static int ieee80211_sta_find_ibss(struct net_device *dev, int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len) { - struct ieee80211_sub_if_data *sdata; + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_if_sta *ifsta; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); @@ -2514,18 +3219,23 @@ int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len) int i; memset(&qparam, 0, sizeof(qparam)); - /* TODO: are these ok defaults for all hw_modes? */ + qparam.aifs = 2; - qparam.cw_min = - local->hw.conf.phymode == MODE_IEEE80211B ? 31 : 15; + + if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ && + !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)) + qparam.cw_min = 31; + else + qparam.cw_min = 15; + qparam.cw_max = 1023; qparam.burst_time = 0; + for (i = IEEE80211_TX_QUEUE_DATA0; i < NUM_TX_DATA_QUEUES; i++) - { local->ops->conf_tx(local_to_hw(local), i + IEEE80211_TX_QUEUE_DATA0, &qparam); - } + /* IBSS uses different parameters for Beacon sending */ qparam.cw_min++; qparam.cw_min *= 2; @@ -2534,7 +3244,6 @@ int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len) IEEE80211_TX_QUEUE_BEACON, &qparam); } - sdata = IEEE80211_DEV_TO_SUB_IF(dev); ifsta = &sdata->u.sta; if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0) @@ -2547,7 +3256,7 @@ int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len) ifsta->flags |= IEEE80211_STA_SSID_SET; else ifsta->flags &= ~IEEE80211_STA_SSID_SET; - if (sdata->type == IEEE80211_IF_TYPE_IBSS && + if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && !(ifsta->flags & IEEE80211_STA_BSSID_SET)) { ifsta->ibss_join_req = jiffies; ifsta->state = IEEE80211_IBSS_SEARCH; @@ -2634,11 +3343,17 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw) union iwreq_data wrqu; local->last_scan_completed = jiffies; - wmb(); - local->sta_scanning = 0; + memset(&wrqu, 0, sizeof(wrqu)); + wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL); + if (local->sta_hw_scanning) { + local->sta_hw_scanning = 0; + goto done; + } + + local->sta_sw_scanning = 0; if (ieee80211_hw_config(local)) - printk(KERN_DEBUG "%s: failed to restore operational" + printk(KERN_DEBUG "%s: failed to restore operational " "channel after scan\n", dev->name); @@ -2652,9 +3367,6 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw) netif_tx_unlock_bh(local->mdev); - memset(&wrqu, 0, sizeof(wrqu)); - wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL); - rcu_read_lock(); list_for_each_entry_rcu(sdata, &local->interfaces, list) { @@ -2662,7 +3374,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw) if (sdata->dev == local->mdev) continue; - if (sdata->type == IEEE80211_IF_TYPE_STA) { + if (sdata->vif.type == IEEE80211_IF_TYPE_STA) { if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) ieee80211_send_nullfunc(local, sdata, 0); ieee80211_sta_timer((unsigned long)sdata); @@ -2672,8 +3384,9 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw) } rcu_read_unlock(); +done: sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (sdata->type == IEEE80211_IF_TYPE_IBSS) { + if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { struct ieee80211_if_sta *ifsta = &sdata->u.sta; if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) || (!ifsta->state == IEEE80211_IBSS_JOINED && @@ -2689,54 +3402,69 @@ void ieee80211_sta_scan_work(struct work_struct *work) container_of(work, struct ieee80211_local, scan_work.work); struct net_device *dev = local->scan_dev; struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_hw_mode *mode; + struct ieee80211_supported_band *sband; struct ieee80211_channel *chan; int skip; unsigned long next_delay = 0; - if (!local->sta_scanning) + if (!local->sta_sw_scanning) return; switch (local->scan_state) { case SCAN_SET_CHANNEL: - mode = local->scan_hw_mode; - if (local->scan_hw_mode->list.next == &local->modes_list && - local->scan_channel_idx >= mode->num_channels) { + /* + * Get current scan band. scan_band may be IEEE80211_NUM_BANDS + * after we successfully scanned the last channel of the last + * band (and the last band is supported by the hw) + */ + if (local->scan_band < IEEE80211_NUM_BANDS) + sband = local->hw.wiphy->bands[local->scan_band]; + else + sband = NULL; + + /* + * If we are at an unsupported band and have more bands + * left to scan, advance to the next supported one. + */ + while (!sband && local->scan_band < IEEE80211_NUM_BANDS - 1) { + local->scan_band++; + sband = local->hw.wiphy->bands[local->scan_band]; + local->scan_channel_idx = 0; + } + + /* if no more bands/channels left, complete scan */ + if (!sband || local->scan_channel_idx >= sband->n_channels) { ieee80211_scan_completed(local_to_hw(local)); return; } - skip = !(local->enabled_modes & (1 << mode->mode)); - chan = &mode->channels[local->scan_channel_idx]; - if (!(chan->flag & IEEE80211_CHAN_W_SCAN) || - (sdata->type == IEEE80211_IF_TYPE_IBSS && - !(chan->flag & IEEE80211_CHAN_W_IBSS)) || - (local->hw_modes & local->enabled_modes & - (1 << MODE_IEEE80211G) && mode->mode == MODE_IEEE80211B)) + skip = 0; + chan = &sband->channels[local->scan_channel_idx]; + + if (chan->flags & IEEE80211_CHAN_DISABLED || + (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && + chan->flags & IEEE80211_CHAN_NO_IBSS)) skip = 1; if (!skip) { -#if 0 - printk(KERN_DEBUG "%s: scan channel %d (%d MHz)\n", - dev->name, chan->chan, chan->freq); -#endif - local->scan_channel = chan; if (ieee80211_hw_config(local)) { - printk(KERN_DEBUG "%s: failed to set channel " - "%d (%d MHz) for scan\n", dev->name, - chan->chan, chan->freq); + printk(KERN_DEBUG "%s: failed to set freq to " + "%d MHz for scan\n", dev->name, + chan->center_freq); skip = 1; } } + /* advance state machine to next channel/band */ local->scan_channel_idx++; - if (local->scan_channel_idx >= local->scan_hw_mode->num_channels) { - if (local->scan_hw_mode->list.next != &local->modes_list) { - local->scan_hw_mode = list_entry(local->scan_hw_mode->list.next, - struct ieee80211_hw_mode, - list); - local->scan_channel_idx = 0; - } + if (local->scan_channel_idx >= sband->n_channels) { + /* + * scan_band may end up == IEEE80211_NUM_BANDS, but + * we'll catch that case above and complete the scan + * if that is the case. + */ + local->scan_band++; + local->scan_channel_idx = 0; } if (skip) @@ -2747,17 +3475,18 @@ void ieee80211_sta_scan_work(struct work_struct *work) local->scan_state = SCAN_SEND_PROBE; break; case SCAN_SEND_PROBE: - if (local->scan_channel->flag & IEEE80211_CHAN_W_ACTIVE_SCAN) { - ieee80211_send_probe_req(dev, NULL, local->scan_ssid, - local->scan_ssid_len); - next_delay = IEEE80211_CHANNEL_TIME; - } else - next_delay = IEEE80211_PASSIVE_CHANNEL_TIME; + next_delay = IEEE80211_PASSIVE_CHANNEL_TIME; local->scan_state = SCAN_SET_CHANNEL; + + if (local->scan_channel->flags & IEEE80211_CHAN_PASSIVE_SCAN) + break; + ieee80211_send_probe_req(dev, NULL, local->scan_ssid, + local->scan_ssid_len); + next_delay = IEEE80211_CHANNEL_TIME; break; } - if (local->sta_scanning) + if (local->sta_sw_scanning) queue_delayed_work(local->hw.workqueue, &local->scan_work, next_delay); } @@ -2789,7 +3518,7 @@ static int ieee80211_sta_start_scan(struct net_device *dev, * ResultCode: SUCCESS, INVALID_PARAMETERS */ - if (local->sta_scanning) { + if (local->sta_sw_scanning || local->sta_hw_scanning) { if (local->scan_dev == dev) return 0; return -EBUSY; @@ -2797,15 +3526,15 @@ static int ieee80211_sta_start_scan(struct net_device *dev, if (local->ops->hw_scan) { int rc = local->ops->hw_scan(local_to_hw(local), - ssid, ssid_len); + ssid, ssid_len); if (!rc) { - local->sta_scanning = 1; + local->sta_hw_scanning = 1; local->scan_dev = dev; } return rc; } - local->sta_scanning = 1; + local->sta_sw_scanning = 1; rcu_read_lock(); list_for_each_entry_rcu(sdata, &local->interfaces, list) { @@ -2816,7 +3545,7 @@ static int ieee80211_sta_start_scan(struct net_device *dev, continue; netif_stop_queue(sdata->dev); - if (sdata->type == IEEE80211_IF_TYPE_STA && + if (sdata->vif.type == IEEE80211_IF_TYPE_STA && (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED)) ieee80211_send_nullfunc(local, sdata, 1); } @@ -2828,10 +3557,8 @@ static int ieee80211_sta_start_scan(struct net_device *dev, } else local->scan_ssid_len = 0; local->scan_state = SCAN_SET_CHANNEL; - local->scan_hw_mode = list_entry(local->modes_list.next, - struct ieee80211_hw_mode, - list); local->scan_channel_idx = 0; + local->scan_band = IEEE80211_BAND_2GHZ; local->scan_dev = dev; netif_tx_lock_bh(local->mdev); @@ -2857,15 +3584,18 @@ int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len) struct ieee80211_if_sta *ifsta = &sdata->u.sta; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - if (sdata->type != IEEE80211_IF_TYPE_STA) + if (sdata->vif.type != IEEE80211_IF_TYPE_STA) return ieee80211_sta_start_scan(dev, ssid, ssid_len); - if (local->sta_scanning) { + if (local->sta_sw_scanning || local->sta_hw_scanning) { if (local->scan_dev == dev) return 0; return -EBUSY; } + ifsta->scan_ssid_len = ssid_len; + if (ssid_len) + memcpy(ifsta->scan_ssid, ssid, ssid_len); set_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request); queue_work(local->hw.workqueue, &ifsta->work); return 0; @@ -2883,18 +3613,6 @@ ieee80211_sta_scan_result(struct net_device *dev, bss->last_update + IEEE80211_SCAN_RESULT_EXPIRE)) return current_ev; - if (!(local->enabled_modes & (1 << bss->hw_mode))) - return current_ev; - - if (local->scan_flags & IEEE80211_SCAN_WPA_ONLY && - !bss->wpa_ie && !bss->rsn_ie) - return current_ev; - - if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID && - (local->scan_ssid_len != bss->ssid_len || - memcmp(local->scan_ssid, bss->ssid, bss->ssid_len) != 0)) - return current_ev; - memset(&iwe, 0, sizeof(iwe)); iwe.cmd = SIOCGIWAP; iwe.u.ap_addr.sa_family = ARPHRD_ETHER; @@ -2922,12 +3640,15 @@ ieee80211_sta_scan_result(struct net_device *dev, memset(&iwe, 0, sizeof(iwe)); iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.m = bss->channel; - iwe.u.freq.e = 0; + iwe.u.freq.m = bss->freq; + iwe.u.freq.e = 6; current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN); - iwe.u.freq.m = bss->freq * 100000; - iwe.u.freq.e = 1; + + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWFREQ; + iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq); + iwe.u.freq.e = 0; current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN); @@ -2998,34 +3719,6 @@ ieee80211_sta_scan_result(struct net_device *dev, } } - do { - char *buf; - - if (!(local->scan_flags & IEEE80211_SCAN_EXTRA_INFO)) - break; - - buf = kmalloc(100, GFP_ATOMIC); - if (!buf) - break; - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "bcn_int=%d", bss->beacon_int); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, - buf); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "capab=0x%04x", bss->capability); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, - buf); - - kfree(buf); - break; - } while (0); - return current_ev; } @@ -3079,25 +3772,29 @@ struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct sta_info *sta; struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + DECLARE_MAC_BUF(mac); /* TODO: Could consider removing the least recently used entry and * allow new one to be added. */ if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) { if (net_ratelimit()) { printk(KERN_DEBUG "%s: No room for a new IBSS STA " - "entry " MAC_FMT "\n", dev->name, MAC_ARG(addr)); + "entry %s\n", dev->name, print_mac(mac, addr)); } return NULL; } - printk(KERN_DEBUG "%s: Adding new IBSS station " MAC_FMT " (dev=%s)\n", - wiphy_name(local->hw.wiphy), MAC_ARG(addr), dev->name); + printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n", + wiphy_name(local->hw.wiphy), print_mac(mac, addr), dev->name); sta = sta_info_add(local, dev, addr, GFP_ATOMIC); if (!sta) return NULL; - sta->supp_rates = sdata->u.sta.supp_rates_bits; + sta->flags |= WLAN_STA_AUTHORIZED; + + sta->supp_rates[local->hw.conf.channel->band] = + sdata->u.sta.supp_rates_bits[local->hw.conf.channel->band]; rate_control_rate_init(sta, local); @@ -3113,8 +3810,8 @@ int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason) printk(KERN_DEBUG "%s: deauthenticate(reason=%d)\n", dev->name, reason); - if (sdata->type != IEEE80211_IF_TYPE_STA && - sdata->type != IEEE80211_IF_TYPE_IBSS) + if (sdata->vif.type != IEEE80211_IF_TYPE_STA && + sdata->vif.type != IEEE80211_IF_TYPE_IBSS) return -EINVAL; ieee80211_send_deauth(dev, ifsta, reason); @@ -3131,7 +3828,7 @@ int ieee80211_sta_disassociate(struct net_device *dev, u16 reason) printk(KERN_DEBUG "%s: disassociate(reason=%d)\n", dev->name, reason); - if (sdata->type != IEEE80211_IF_TYPE_STA) + if (sdata->vif.type != IEEE80211_IF_TYPE_STA) return -EINVAL; if (!(ifsta->flags & IEEE80211_STA_ASSOCIATED)) diff --git a/package/mac80211/src/net/mac80211/key.c b/package/mac80211/src/net/mac80211/key.c index d9ab087..ed57fb8 100644 --- a/package/mac80211/src/net/mac80211/key.c +++ b/package/mac80211/src/net/mac80211/key.c @@ -49,8 +49,8 @@ static const u8 *get_mac_for_key(struct ieee80211_key *key) * address to indicate a transmit-only key. */ if (key->conf.alg != ALG_WEP && - (key->sdata->type == IEEE80211_IF_TYPE_AP || - key->sdata->type == IEEE80211_IF_TYPE_VLAN)) + (key->sdata->vif.type == IEEE80211_IF_TYPE_AP || + key->sdata->vif.type == IEEE80211_IF_TYPE_VLAN)) addr = zero_addr; if (key->sta) @@ -63,6 +63,7 @@ static void ieee80211_key_enable_hw_accel(struct ieee80211_key *key) { const u8 *addr; int ret; + DECLARE_MAC_BUF(mac); if (!key->local->ops->set_key) return; @@ -78,15 +79,16 @@ static void ieee80211_key_enable_hw_accel(struct ieee80211_key *key) if (ret && ret != -ENOSPC && ret != -EOPNOTSUPP) printk(KERN_ERR "mac80211-%s: failed to set key " - "(%d, " MAC_FMT ") to hardware (%d)\n", + "(%d, %s) to hardware (%d)\n", wiphy_name(key->local->hw.wiphy), - key->conf.keyidx, MAC_ARG(addr), ret); + key->conf.keyidx, print_mac(mac, addr), ret); } static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) { const u8 *addr; int ret; + DECLARE_MAC_BUF(mac); if (!key->local->ops->set_key) return; @@ -102,9 +104,9 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) if (ret) printk(KERN_ERR "mac80211-%s: failed to remove key " - "(%d, " MAC_FMT ") from hardware (%d)\n", + "(%d, %s) from hardware (%d)\n", wiphy_name(key->local->hw.wiphy), - key->conf.keyidx, MAC_ARG(addr), ret); + key->conf.keyidx, print_mac(mac, addr), ret); key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; } @@ -170,7 +172,7 @@ struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata, if (sta->flags & WLAN_STA_WME) key->conf.flags |= IEEE80211_KEY_FLAG_WMM_STA; } else { - if (sdata->type == IEEE80211_IF_TYPE_STA) { + if (sdata->vif.type == IEEE80211_IF_TYPE_STA) { struct sta_info *ap; /* same here, the AP could be using QoS */ diff --git a/package/mac80211/src/net/mac80211/rc80211_pid.h b/package/mac80211/src/net/mac80211/rc80211_pid.h new file mode 100644 index 0000000..04afc13 --- /dev/null +++ b/package/mac80211/src/net/mac80211/rc80211_pid.h @@ -0,0 +1,285 @@ +/* + * Copyright 2007, Mattias Nissler <mattias.nissler@gmx.de> + * Copyright 2007, Stefano Brivio <stefano.brivio@polimi.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef RC80211_PID_H +#define RC80211_PID_H + +/* Sampling period for measuring percentage of failed frames in ms. */ +#define RC_PID_INTERVAL 125 + +/* Exponential averaging smoothness (used for I part of PID controller) */ +#define RC_PID_SMOOTHING_SHIFT 3 +#define RC_PID_SMOOTHING (1 << RC_PID_SMOOTHING_SHIFT) + +/* Sharpening factor (used for D part of PID controller) */ +#define RC_PID_SHARPENING_FACTOR 0 +#define RC_PID_SHARPENING_DURATION 0 + +/* Fixed point arithmetic shifting amount. */ +#define RC_PID_ARITH_SHIFT 8 + +/* Fixed point arithmetic factor. */ +#define RC_PID_ARITH_FACTOR (1 << RC_PID_ARITH_SHIFT) + +/* Proportional PID component coefficient. */ +#define RC_PID_COEFF_P 15 +/* Integral PID component coefficient. */ +#define RC_PID_COEFF_I 9 +/* Derivative PID component coefficient. */ +#define RC_PID_COEFF_D 15 + +/* Target failed frames rate for the PID controller. NB: This effectively gives + * maximum failed frames percentage we're willing to accept. If the wireless + * link quality is good, the controller will fail to adjust failed frames + * percentage to the target. This is intentional. + */ +#define RC_PID_TARGET_PF 14 + +/* Rate behaviour normalization quantity over time. */ +#define RC_PID_NORM_OFFSET 3 + +/* Push high rates right after loading. */ +#define RC_PID_FAST_START 0 + +/* Arithmetic right shift for positive and negative values for ISO C. */ +#define RC_PID_DO_ARITH_RIGHT_SHIFT(x, y) \ + (x) < 0 ? -((-(x)) >> (y)) : (x) >> (y) + +enum rc_pid_event_type { + RC_PID_EVENT_TYPE_TX_STATUS, + RC_PID_EVENT_TYPE_RATE_CHANGE, + RC_PID_EVENT_TYPE_TX_RATE, + RC_PID_EVENT_TYPE_PF_SAMPLE, +}; + +union rc_pid_event_data { + /* RC_PID_EVENT_TX_STATUS */ + struct { + struct ieee80211_tx_status tx_status; + }; + /* RC_PID_EVENT_TYPE_RATE_CHANGE */ + /* RC_PID_EVENT_TYPE_TX_RATE */ + struct { + int index; + int rate; + }; + /* RC_PID_EVENT_TYPE_PF_SAMPLE */ + struct { + s32 pf_sample; + s32 prop_err; + s32 int_err; + s32 der_err; + }; +}; + +struct rc_pid_event { + /* The time when the event occured */ + unsigned long timestamp; + + /* Event ID number */ + unsigned int id; + + /* Type of event */ + enum rc_pid_event_type type; + + /* type specific data */ + union rc_pid_event_data data; +}; + +/* Size of the event ring buffer. */ +#define RC_PID_EVENT_RING_SIZE 32 + +struct rc_pid_event_buffer { + /* Counter that generates event IDs */ + unsigned int ev_count; + + /* Ring buffer of events */ + struct rc_pid_event ring[RC_PID_EVENT_RING_SIZE]; + + /* Index to the entry in events_buf to be reused */ + unsigned int next_entry; + + /* Lock that guards against concurrent access to this buffer struct */ + spinlock_t lock; + + /* Wait queue for poll/select and blocking I/O */ + wait_queue_head_t waitqueue; +}; + +struct rc_pid_events_file_info { + /* The event buffer we read */ + struct rc_pid_event_buffer *events; + + /* The entry we have should read next */ + unsigned int next_entry; +}; + +/** + * struct rc_pid_debugfs_entries - tunable parameters + * + * Algorithm parameters, tunable via debugfs. + * @dir: the debugfs directory for a specific phy + * @target: target percentage for failed frames + * @sampling_period: error sampling interval in milliseconds + * @coeff_p: absolute value of the proportional coefficient + * @coeff_i: absolute value of the integral coefficient + * @coeff_d: absolute value of the derivative coefficient + * @smoothing_shift: absolute value of the integral smoothing factor (i.e. + * amount of smoothing introduced by the exponential moving average) + * @sharpen_factor: absolute value of the derivative sharpening factor (i.e. + * amount of emphasis given to the derivative term after low activity + * events) + * @sharpen_duration: duration of the sharpening effect after the detected low + * activity event, relative to sampling_period + * @norm_offset: amount of normalization periodically performed on the learnt + * rate behaviour values (lower means we should trust more what we learnt + * about behaviour of rates, higher means we should trust more the natural + * ordering of rates) + * @fast_start: if Y, push high rates right after initialization + */ +struct rc_pid_debugfs_entries { + struct dentry *dir; + struct dentry *target; + struct dentry *sampling_period; + struct dentry *coeff_p; + struct dentry *coeff_i; + struct dentry *coeff_d; + struct dentry *smoothing_shift; + struct dentry *sharpen_factor; + struct dentry *sharpen_duration; + struct dentry *norm_offset; + struct dentry *fast_start; +}; + +void rate_control_pid_event_tx_status(struct rc_pid_event_buffer *buf, + struct ieee80211_tx_status *stat); + +void rate_control_pid_event_rate_change(struct rc_pid_event_buffer *buf, + int index, int rate); + +void rate_control_pid_event_tx_rate(struct rc_pid_event_buffer *buf, + int index, int rate); + +void rate_control_pid_event_pf_sample(struct rc_pid_event_buffer *buf, + s32 pf_sample, s32 prop_err, + s32 int_err, s32 der_err); + +void rate_control_pid_add_sta_debugfs(void *priv, void *priv_sta, + struct dentry *dir); + +void rate_control_pid_remove_sta_debugfs(void *priv, void *priv_sta); + +struct rc_pid_sta_info { + unsigned long last_change; + unsigned long last_sample; + + u32 tx_num_failed; + u32 tx_num_xmit; + + /* Average failed frames percentage error (i.e. actual vs. target + * percentage), scaled by RC_PID_SMOOTHING. This value is computed + * using using an exponential weighted average technique: + * + * (RC_PID_SMOOTHING - 1) * err_avg_old + err + * err_avg = ------------------------------------------ + * RC_PID_SMOOTHING + * + * where err_avg is the new approximation, err_avg_old the previous one + * and err is the error w.r.t. to the current failed frames percentage + * sample. Note that the bigger RC_PID_SMOOTHING the more weight is + * given to the previous estimate, resulting in smoother behavior (i.e. + * corresponding to a longer integration window). + * + * For computation, we actually don't use the above formula, but this + * one: + * + * err_avg_scaled = err_avg_old_scaled - err_avg_old + err + * + * where: + * err_avg_scaled = err * RC_PID_SMOOTHING + * err_avg_old_scaled = err_avg_old * RC_PID_SMOOTHING + * + * This avoids floating point numbers and the per_failed_old value can + * easily be obtained by shifting per_failed_old_scaled right by + * RC_PID_SMOOTHING_SHIFT. + */ + s32 err_avg_sc; + + /* Last framed failes percentage sample. */ + u32 last_pf; + + /* Sharpening needed. */ + u8 sharp_cnt; + +#ifdef CONFIG_MAC80211_DEBUGFS + /* Event buffer */ + struct rc_pid_event_buffer events; + + /* Events debugfs file entry */ + struct dentry *events_entry; +#endif +}; + +/* Algorithm parameters. We keep them on a per-algorithm approach, so they can + * be tuned individually for each interface. + */ +struct rc_pid_rateinfo { + + /* Map sorted rates to rates in ieee80211_hw_mode. */ + int index; + + /* Map rates in ieee80211_hw_mode to sorted rates. */ + int rev_index; + + /* Did we do any measurement on this rate? */ + bool valid; + + /* Comparison with the lowest rate. */ + int diff; +}; + +struct rc_pid_info { + + /* The failed frames percentage target. */ + unsigned int target; + + /* Rate at which failed frames percentage is sampled in 0.001s. */ + unsigned int sampling_period; + + /* P, I and D coefficients. */ + int coeff_p; + int coeff_i; + int coeff_d; + + /* Exponential averaging shift. */ + unsigned int smoothing_shift; + + /* Sharpening factor and duration. */ + unsigned int sharpen_factor; + unsigned int sharpen_duration; + + /* Normalization offset. */ + unsigned int norm_offset; + + /* Fast starst parameter. */ + unsigned int fast_start; + + /* Rates information. */ + struct rc_pid_rateinfo *rinfo; + + /* Index of the last used rate. */ + int oldrate; + +#ifdef CONFIG_MAC80211_DEBUGFS + /* Debugfs entries created for the parameters above. */ + struct rc_pid_debugfs_entries dentries; +#endif +}; + +#endif /* RC80211_PID_H */ diff --git a/package/mac80211/src/net/mac80211/rc80211_pid_algo.c b/package/mac80211/src/net/mac80211/rc80211_pid_algo.c new file mode 100644 index 0000000..da8462b --- /dev/null +++ b/package/mac80211/src/net/mac80211/rc80211_pid_algo.c @@ -0,0 +1,550 @@ +/* + * Copyright 2002-2005, Instant802 Networks, Inc. + * Copyright 2005, Devicescape Software, Inc. + * Copyright 2007, Mattias Nissler <mattias.nissler@gmx.de> + * Copyright 2007-2008, Stefano Brivio <stefano.brivio@polimi.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/netdevice.h> +#include <linux/types.h> +#include <linux/skbuff.h> +#include <linux/debugfs.h> +#include <net/mac80211.h> +#include "ieee80211_rate.h" + +#include "rc80211_pid.h" + + +/* This is an implementation of a TX rate control algorithm that uses a PID + * controller. Given a target failed frames rate, the controller decides about + * TX rate changes to meet the target failed frames rate. + * + * The controller basically computes the following: + * + * adj = CP * err + CI * err_avg + CD * (err - last_err) * (1 + sharpening) + * + * where + * adj adjustment value that is used to switch TX rate (see below) + * err current error: target vs. current failed frames percentage + * last_err last error + * err_avg average (i.e. poor man's integral) of recent errors + * sharpening non-zero when fast response is needed (i.e. right after + * association or no frames sent for a long time), heading + * to zero over time + * CP Proportional coefficient + * CI Integral coefficient + * CD Derivative coefficient + * + * CP, CI, CD are subject to careful tuning. + * + * The integral component uses a exponential moving average approach instead of + * an actual sliding window. The advantage is that we don't need to keep an + * array of the last N error values and computation is easier. + * + * Once we have the adj value, we map it to a rate by means of a learning + * algorithm. This algorithm keeps the state of the percentual failed frames + * difference between rates. The behaviour of the lowest available rate is kept + * as a reference value, and every time we switch between two rates, we compute + * the difference between the failed frames each rate exhibited. By doing so, + * we compare behaviours which different rates exhibited in adjacent timeslices, + * thus the comparison is minimally affected by external conditions. This + * difference gets propagated to the whole set of measurements, so that the + * reference is always the same. Periodically, we normalize this set so that + * recent events weigh the most. By comparing the adj value with this set, we + * avoid pejorative switches to lower rates and allow for switches to higher + * rates if they behaved well. + * + * Note that for the computations we use a fixed-point representation to avoid + * floating point arithmetic. Hence, all values are shifted left by + * RC_PID_ARITH_SHIFT. + */ + + +/* Adjust the rate while ensuring that we won't switch to a lower rate if it + * exhibited a worse failed frames behaviour and we'll choose the highest rate + * whose failed frames behaviour is not worse than the one of the original rate + * target. While at it, check that the new rate is valid. */ +static void rate_control_pid_adjust_rate(struct ieee80211_local *local, + struct sta_info *sta, int adj, + struct rc_pid_rateinfo *rinfo) +{ + struct ieee80211_sub_if_data *sdata; + struct ieee80211_supported_band *sband; + int cur_sorted, new_sorted, probe, tmp, n_bitrates, band; + int cur = sta->txrate_idx; + + sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + band = sband->band; + n_bitrates = sband->n_bitrates; + + /* Map passed arguments to sorted values. */ + cur_sorted = rinfo[cur].rev_index; + new_sorted = cur_sorted + adj; + + /* Check limits. */ + if (new_sorted < 0) + new_sorted = rinfo[0].rev_index; + else if (new_sorted >= n_bitrates) + new_sorted = rinfo[n_bitrates - 1].rev_index; + + tmp = new_sorted; + + if (adj < 0) { + /* Ensure that the rate decrease isn't disadvantageous. */ + for (probe = cur_sorted; probe >= new_sorted; probe--) + if (rinfo[probe].diff <= rinfo[cur_sorted].diff && + rate_supported(sta, band, rinfo[probe].index)) + tmp = probe; + } else { + /* Look for rate increase with zero (or below) cost. */ + for (probe = new_sorted + 1; probe < n_bitrates; probe++) + if (rinfo[probe].diff <= rinfo[new_sorted].diff && + rate_supported(sta, band, rinfo[probe].index)) + tmp = probe; + } + + /* Fit the rate found to the nearest supported rate. */ + do { + if (rate_supported(sta, band, rinfo[tmp].index)) { + sta->txrate_idx = rinfo[tmp].index; + break; + } + if (adj < 0) + tmp--; + else + tmp++; + } while (tmp < n_bitrates && tmp >= 0); + +#ifdef CONFIG_MAC80211_DEBUGFS + rate_control_pid_event_rate_change( + &((struct rc_pid_sta_info *)sta->rate_ctrl_priv)->events, + sta->txrate_idx, sband->bitrates[sta->txrate_idx].bitrate); +#endif +} + +/* Normalize the failed frames per-rate differences. */ +static void rate_control_pid_normalize(struct rc_pid_info *pinfo, int l) +{ + int i, norm_offset = pinfo->norm_offset; + struct rc_pid_rateinfo *r = pinfo->rinfo; + + if (r[0].diff > norm_offset) + r[0].diff -= norm_offset; + else if (r[0].diff < -norm_offset) + r[0].diff += norm_offset; + for (i = 0; i < l - 1; i++) + if (r[i + 1].diff > r[i].diff + norm_offset) + r[i + 1].diff -= norm_offset; + else if (r[i + 1].diff <= r[i].diff) + r[i + 1].diff += norm_offset; +} + +static void rate_control_pid_sample(struct rc_pid_info *pinfo, + struct ieee80211_local *local, + struct sta_info *sta) +{ + struct rc_pid_sta_info *spinfo = sta->rate_ctrl_priv; + struct rc_pid_rateinfo *rinfo = pinfo->rinfo; + struct ieee80211_supported_band *sband; + u32 pf; + s32 err_avg; + u32 err_prop; + u32 err_int; + u32 err_der; + int adj, i, j, tmp; + unsigned long period; + + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + spinfo = sta->rate_ctrl_priv; + + /* In case nothing happened during the previous control interval, turn + * the sharpening factor on. */ + period = (HZ * pinfo->sampling_period + 500) / 1000; + if (!period) + period = 1; + if (jiffies - spinfo->last_sample > 2 * period) + spinfo->sharp_cnt = pinfo->sharpen_duration; + + spinfo->last_sample = jiffies; + + /* This should never happen, but in case, we assume the old sample is + * still a good measurement and copy it. */ + if (unlikely(spinfo->tx_num_xmit == 0)) + pf = spinfo->last_pf; + else { + pf = spinfo->tx_num_failed * 100 / spinfo->tx_num_xmit; + pf <<= RC_PID_ARITH_SHIFT; + } + + spinfo->tx_num_xmit = 0; + spinfo->tx_num_failed = 0; + + /* If we just switched rate, update the rate behaviour info. */ + if (pinfo->oldrate != sta->txrate_idx) { + + i = rinfo[pinfo->oldrate].rev_index; + j = rinfo[sta->txrate_idx].rev_index; + + tmp = (pf - spinfo->last_pf); + tmp = RC_PID_DO_ARITH_RIGHT_SHIFT(tmp, RC_PID_ARITH_SHIFT); + + rinfo[j].diff = rinfo[i].diff + tmp; + pinfo->oldrate = sta->txrate_idx; + } + rate_control_pid_normalize(pinfo, sband->n_bitrates); + + /* Compute the proportional, integral and derivative errors. */ + err_prop = (pinfo->target << RC_PID_ARITH_SHIFT) - pf; + + err_avg = spinfo->err_avg_sc >> pinfo->smoothing_shift; + spinfo->err_avg_sc = spinfo->err_avg_sc - err_avg + err_prop; + err_int = spinfo->err_avg_sc >> pinfo->smoothing_shift; + + err_der = (pf - spinfo->last_pf) * + (1 + pinfo->sharpen_factor * spinfo->sharp_cnt); + spinfo->last_pf = pf; + if (spinfo->sharp_cnt) + spinfo->sharp_cnt--; + +#ifdef CONFIG_MAC80211_DEBUGFS + rate_control_pid_event_pf_sample(&spinfo->events, pf, err_prop, err_int, + err_der); +#endif + + /* Compute the controller output. */ + adj = (err_prop * pinfo->coeff_p + err_int * pinfo->coeff_i + + err_der * pinfo->coeff_d); + adj = RC_PID_DO_ARITH_RIGHT_SHIFT(adj, 2 * RC_PID_ARITH_SHIFT); + + /* Change rate. */ + if (adj) + rate_control_pid_adjust_rate(local, sta, adj, rinfo); +} + +static void rate_control_pid_tx_status(void *priv, struct net_device *dev, + struct sk_buff *skb, + struct ieee80211_tx_status *status) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_sub_if_data *sdata; + struct rc_pid_info *pinfo = priv; + struct sta_info *sta; + struct rc_pid_sta_info *spinfo; + unsigned long period; + struct ieee80211_supported_band *sband; + + sta = sta_info_get(local, hdr->addr1); + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + + if (!sta) + return; + + /* Don't update the state if we're not controlling the rate. */ + sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) { + sta->txrate_idx = sdata->bss->max_ratectrl_rateidx; + return; + } + + /* Ignore all frames that were sent with a different rate than the rate + * we currently advise mac80211 to use. */ + if (status->control.tx_rate != &sband->bitrates[sta->txrate_idx]) + goto ignore; + + spinfo = sta->rate_ctrl_priv; + spinfo->tx_num_xmit++; + +#ifdef CONFIG_MAC80211_DEBUGFS + rate_control_pid_event_tx_status(&spinfo->events, status); +#endif + + /* We count frames that totally failed to be transmitted as two bad + * frames, those that made it out but had some retries as one good and + * one bad frame. */ + if (status->excessive_retries) { + spinfo->tx_num_failed += 2; + spinfo->tx_num_xmit++; + } else if (status->retry_count) { + spinfo->tx_num_failed++; + spinfo->tx_num_xmit++; + } + + if (status->excessive_retries) { + sta->tx_retry_failed++; + sta->tx_num_consecutive_failures++; + sta->tx_num_mpdu_fail++; + } else { + sta->last_ack_rssi[0] = sta->last_ack_rssi[1]; + sta->last_ack_rssi[1] = sta->last_ack_rssi[2]; + sta->last_ack_rssi[2] = status->ack_signal; + sta->tx_num_consecutive_failures = 0; + sta->tx_num_mpdu_ok++; + } + sta->tx_retry_count += status->retry_count; + sta->tx_num_mpdu_fail += status->retry_count; + + /* Update PID controller state. */ + period = (HZ * pinfo->sampling_period + 500) / 1000; + if (!period) + period = 1; + if (time_after(jiffies, spinfo->last_sample + period)) + rate_control_pid_sample(pinfo, local, sta); + +ignore: + sta_info_put(sta); +} + +static void rate_control_pid_get_rate(void *priv, struct net_device *dev, + struct ieee80211_supported_band *sband, + struct sk_buff *skb, + struct rate_selection *sel) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_sub_if_data *sdata; + struct sta_info *sta; + int rateidx; + u16 fc; + + sta = sta_info_get(local, hdr->addr1); + + /* Send management frames and broadcast/multicast data using lowest + * rate. */ + fc = le16_to_cpu(hdr->frame_control); + if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA || + is_multicast_ether_addr(hdr->addr1) || !sta) { + sel->rate = rate_lowest(local, sband, sta); + if (sta) + sta_info_put(sta); + return; + } + + /* If a forced rate is in effect, select it. */ + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) + sta->txrate_idx = sdata->bss->force_unicast_rateidx; + + rateidx = sta->txrate_idx; + + if (rateidx >= sband->n_bitrates) + rateidx = sband->n_bitrates - 1; + + sta->last_txrate_idx = rateidx; + + sta_info_put(sta); + + sel->rate = &sband->bitrates[rateidx]; + +#ifdef CONFIG_MAC80211_DEBUGFS + rate_control_pid_event_tx_rate( + &((struct rc_pid_sta_info *) sta->rate_ctrl_priv)->events, + rateidx, sband->bitrates[rateidx].bitrate); +#endif +} + +static void rate_control_pid_rate_init(void *priv, void *priv_sta, + struct ieee80211_local *local, + struct sta_info *sta) +{ + /* TODO: This routine should consider using RSSI from previous packets + * as we need to have IEEE 802.1X auth succeed immediately after assoc.. + * Until that method is implemented, we will use the lowest supported + * rate as a workaround. */ + struct ieee80211_supported_band *sband; + + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + sta->txrate_idx = rate_lowest_index(local, sband, sta); +} + +static void *rate_control_pid_alloc(struct ieee80211_local *local) +{ + struct rc_pid_info *pinfo; + struct rc_pid_rateinfo *rinfo; + struct ieee80211_supported_band *sband; + int i, j, tmp; + bool s; +#ifdef CONFIG_MAC80211_DEBUGFS + struct rc_pid_debugfs_entries *de; +#endif + + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + + pinfo = kmalloc(sizeof(*pinfo), GFP_ATOMIC); + if (!pinfo) + return NULL; + + /* We can safely assume that sband won't change unless we get + * reinitialized. */ + rinfo = kmalloc(sizeof(*rinfo) * sband->n_bitrates, GFP_ATOMIC); + if (!rinfo) { + kfree(pinfo); + return NULL; + } + + /* Sort the rates. This is optimized for the most common case (i.e. + * almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed + * mapping too. */ + for (i = 0; i < sband->n_bitrates; i++) { + rinfo[i].index = i; + rinfo[i].rev_index = i; + if (pinfo->fast_start) + rinfo[i].diff = 0; + else + rinfo[i].diff = i * pinfo->norm_offset; + } + for (i = 1; i < sband->n_bitrates; i++) { + s = 0; + for (j = 0; j < sband->n_bitrates - i; j++) + if (unlikely(sband->bitrates[rinfo[j].index].bitrate > + sband->bitrates[rinfo[j + 1].index].bitrate)) { + tmp = rinfo[j].index; + rinfo[j].index = rinfo[j + 1].index; + rinfo[j + 1].index = tmp; + rinfo[rinfo[j].index].rev_index = j; + rinfo[rinfo[j + 1].index].rev_index = j + 1; + s = 1; + } + if (!s) + break; + } + + pinfo->target = RC_PID_TARGET_PF; + pinfo->sampling_period = RC_PID_INTERVAL; + pinfo->coeff_p = RC_PID_COEFF_P; + pinfo->coeff_i = RC_PID_COEFF_I; + pinfo->coeff_d = RC_PID_COEFF_D; + pinfo->smoothing_shift = RC_PID_SMOOTHING_SHIFT; + pinfo->sharpen_factor = RC_PID_SHARPENING_FACTOR; + pinfo->sharpen_duration = RC_PID_SHARPENING_DURATION; + pinfo->norm_offset = RC_PID_NORM_OFFSET; + pinfo->fast_start = RC_PID_FAST_START; + pinfo->rinfo = rinfo; + pinfo->oldrate = 0; + +#ifdef CONFIG_MAC80211_DEBUGFS + de = &pinfo->dentries; + de->dir = debugfs_create_dir("rc80211_pid", + local->hw.wiphy->debugfsdir); + de->target = debugfs_create_u32("target_pf", S_IRUSR | S_IWUSR, + de->dir, &pinfo->target); + de->sampling_period = debugfs_create_u32("sampling_period", + S_IRUSR | S_IWUSR, de->dir, + &pinfo->sampling_period); + de->coeff_p = debugfs_create_u32("coeff_p", S_IRUSR | S_IWUSR, + de->dir, &pinfo->coeff_p); + de->coeff_i = debugfs_create_u32("coeff_i", S_IRUSR | S_IWUSR, + de->dir, &pinfo->coeff_i); + de->coeff_d = debugfs_create_u32("coeff_d", S_IRUSR | S_IWUSR, + de->dir, &pinfo->coeff_d); + de->smoothing_shift = debugfs_create_u32("smoothing_shift", + S_IRUSR | S_IWUSR, de->dir, + &pinfo->smoothing_shift); + de->sharpen_factor = debugfs_create_u32("sharpen_factor", + S_IRUSR | S_IWUSR, de->dir, + &pinfo->sharpen_factor); + de->sharpen_duration = debugfs_create_u32("sharpen_duration", + S_IRUSR | S_IWUSR, de->dir, + &pinfo->sharpen_duration); + de->norm_offset = debugfs_create_u32("norm_offset", + S_IRUSR | S_IWUSR, de->dir, + &pinfo->norm_offset); + de->fast_start = debugfs_create_bool("fast_start", + S_IRUSR | S_IWUSR, de->dir, + &pinfo->fast_start); +#endif + + return pinfo; +} + +static void rate_control_pid_free(void *priv) +{ + struct rc_pid_info *pinfo = priv; +#ifdef CONFIG_MAC80211_DEBUGFS + struct rc_pid_debugfs_entries *de = &pinfo->dentries; + + debugfs_remove(de->fast_start); + debugfs_remove(de->norm_offset); + debugfs_remove(de->sharpen_duration); + debugfs_remove(de->sharpen_factor); + debugfs_remove(de->smoothing_shift); + debugfs_remove(de->coeff_d); + debugfs_remove(de->coeff_i); + debugfs_remove(de->coeff_p); + debugfs_remove(de->sampling_period); + debugfs_remove(de->target); + debugfs_remove(de->dir); +#endif + + kfree(pinfo->rinfo); + kfree(pinfo); +} + +static void rate_control_pid_clear(void *priv) +{ +} + +static void *rate_control_pid_alloc_sta(void *priv, gfp_t gfp) +{ + struct rc_pid_sta_info *spinfo; + + spinfo = kzalloc(sizeof(*spinfo), gfp); + if (spinfo == NULL) + return NULL; + + spinfo->last_sample = jiffies; + +#ifdef CONFIG_MAC80211_DEBUGFS + spin_lock_init(&spinfo->events.lock); + init_waitqueue_head(&spinfo->events.waitqueue); +#endif + + return spinfo; +} + +static void rate_control_pid_free_sta(void *priv, void *priv_sta) +{ + struct rc_pid_sta_info *spinfo = priv_sta; + kfree(spinfo); +} + +static struct rate_control_ops mac80211_rcpid = { + .name = "pid", + .tx_status = rate_control_pid_tx_status, + .get_rate = rate_control_pid_get_rate, + .rate_init = rate_control_pid_rate_init, + .clear = rate_control_pid_clear, + .alloc = rate_control_pid_alloc, + .free = rate_control_pid_free, + .alloc_sta = rate_control_pid_alloc_sta, + .free_sta = rate_control_pid_free_sta, +#ifdef CONFIG_MAC80211_DEBUGFS + .add_sta_debugfs = rate_control_pid_add_sta_debugfs, + .remove_sta_debugfs = rate_control_pid_remove_sta_debugfs, +#endif +}; + +MODULE_DESCRIPTION("PID controller based rate control algorithm"); +MODULE_AUTHOR("Stefano Brivio"); +MODULE_AUTHOR("Mattias Nissler"); +MODULE_LICENSE("GPL"); + +int __init rc80211_pid_init(void) +{ + return ieee80211_rate_control_register(&mac80211_rcpid); +} + +void rc80211_pid_exit(void) +{ + ieee80211_rate_control_unregister(&mac80211_rcpid); +} + +#ifdef CONFIG_MAC80211_RC_PID_MODULE +module_init(rc80211_pid_init); +module_exit(rc80211_pid_exit); +#endif diff --git a/package/mac80211/src/net/mac80211/rc80211_pid_debugfs.c b/package/mac80211/src/net/mac80211/rc80211_pid_debugfs.c new file mode 100644 index 0000000..88b8dc9 --- /dev/null +++ b/package/mac80211/src/net/mac80211/rc80211_pid_debugfs.c @@ -0,0 +1,223 @@ +/* + * Copyright 2007, Mattias Nissler <mattias.nissler@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/spinlock.h> +#include <linux/poll.h> +#include <linux/netdevice.h> +#include <linux/types.h> +#include <linux/skbuff.h> + +#include <net/mac80211.h> +#include "ieee80211_rate.h" + +#include "rc80211_pid.h" + +static void rate_control_pid_event(struct rc_pid_event_buffer *buf, + enum rc_pid_event_type type, + union rc_pid_event_data *data) +{ + struct rc_pid_event *ev; + unsigned long status; + + spin_lock_irqsave(&buf->lock, status); + ev = &(buf->ring[buf->next_entry]); + buf->next_entry = (buf->next_entry + 1) % RC_PID_EVENT_RING_SIZE; + + ev->timestamp = jiffies; + ev->id = buf->ev_count++; + ev->type = type; + ev->data = *data; + + spin_unlock_irqrestore(&buf->lock, status); + + wake_up_all(&buf->waitqueue); +} + +void rate_control_pid_event_tx_status(struct rc_pid_event_buffer *buf, + struct ieee80211_tx_status *stat) +{ + union rc_pid_event_data evd; + + memcpy(&evd.tx_status, stat, sizeof(struct ieee80211_tx_status)); + rate_control_pid_event(buf, RC_PID_EVENT_TYPE_TX_STATUS, &evd); +} + +void rate_control_pid_event_rate_change(struct rc_pid_event_buffer *buf, + int index, int rate) +{ + union rc_pid_event_data evd; + + evd.index = index; + evd.rate = rate; + rate_control_pid_event(buf, RC_PID_EVENT_TYPE_RATE_CHANGE, &evd); +} + +void rate_control_pid_event_tx_rate(struct rc_pid_event_buffer *buf, + int index, int rate) +{ + union rc_pid_event_data evd; + + evd.index = index; + evd.rate = rate; + rate_control_pid_event(buf, RC_PID_EVENT_TYPE_TX_RATE, &evd); +} + +void rate_control_pid_event_pf_sample(struct rc_pid_event_buffer *buf, + s32 pf_sample, s32 prop_err, + s32 int_err, s32 der_err) +{ + union rc_pid_event_data evd; + + evd.pf_sample = pf_sample; + evd.prop_err = prop_err; + evd.int_err = int_err; + evd.der_err = der_err; + rate_control_pid_event(buf, RC_PID_EVENT_TYPE_PF_SAMPLE, &evd); +} + +static int rate_control_pid_events_open(struct inode *inode, struct file *file) +{ + struct rc_pid_sta_info *sinfo = inode->i_private; + struct rc_pid_event_buffer *events = &sinfo->events; + struct rc_pid_events_file_info *file_info; + unsigned int status; + + /* Allocate a state struct */ + file_info = kmalloc(sizeof(*file_info), GFP_KERNEL); + if (file_info == NULL) + return -ENOMEM; + + spin_lock_irqsave(&events->lock, status); + + file_info->next_entry = events->next_entry; + file_info->events = events; + + spin_unlock_irqrestore(&events->lock, status); + + file->private_data = file_info; + + return 0; +} + +static int rate_control_pid_events_release(struct inode *inode, + struct file *file) +{ + struct rc_pid_events_file_info *file_info = file->private_data; + + kfree(file_info); + + return 0; +} + +static unsigned int rate_control_pid_events_poll(struct file *file, + poll_table *wait) +{ + struct rc_pid_events_file_info *file_info = file->private_data; + + poll_wait(file, &file_info->events->waitqueue, wait); + + return POLLIN | POLLRDNORM; +} + +#define RC_PID_PRINT_BUF_SIZE 64 + +static ssize_t rate_control_pid_events_read(struct file *file, char __user *buf, + size_t length, loff_t *offset) +{ + struct rc_pid_events_file_info *file_info = file->private_data; + struct rc_pid_event_buffer *events = file_info->events; + struct rc_pid_event *ev; + char pb[RC_PID_PRINT_BUF_SIZE]; + int ret; + int p; + unsigned int status; + + /* Check if there is something to read. */ + if (events->next_entry == file_info->next_entry) { + if (file->f_flags & O_NONBLOCK) + return -EAGAIN; + + /* Wait */ + ret = wait_event_interruptible(events->waitqueue, + events->next_entry != file_info->next_entry); + + if (ret) + return ret; + } + + /* Write out one event per call. I don't care whether it's a little + * inefficient, this is debugging code anyway. */ + spin_lock_irqsave(&events->lock, status); + + /* Get an event */ + ev = &(events->ring[file_info->next_entry]); + file_info->next_entry = (file_info->next_entry + 1) % + RC_PID_EVENT_RING_SIZE; + + /* Print information about the event. Note that userpace needs to + * provide large enough buffers. */ + length = length < RC_PID_PRINT_BUF_SIZE ? + length : RC_PID_PRINT_BUF_SIZE; + p = snprintf(pb, length, "%u %lu ", ev->id, ev->timestamp); + switch (ev->type) { + case RC_PID_EVENT_TYPE_TX_STATUS: + p += snprintf(pb + p, length - p, "tx_status %u %u", + ev->data.tx_status.excessive_retries, + ev->data.tx_status.retry_count); + break; + case RC_PID_EVENT_TYPE_RATE_CHANGE: + p += snprintf(pb + p, length - p, "rate_change %d %d", + ev->data.index, ev->data.rate); + break; + case RC_PID_EVENT_TYPE_TX_RATE: + p += snprintf(pb + p, length - p, "tx_rate %d %d", + ev->data.index, ev->data.rate); + break; + case RC_PID_EVENT_TYPE_PF_SAMPLE: + p += snprintf(pb + p, length - p, + "pf_sample %d %d %d %d", + ev->data.pf_sample, ev->data.prop_err, + ev->data.int_err, ev->data.der_err); + break; + } + p += snprintf(pb + p, length - p, "\n"); + + spin_unlock_irqrestore(&events->lock, status); + + if (copy_to_user(buf, pb, p)) + return -EFAULT; + + return p; +} + +#undef RC_PID_PRINT_BUF_SIZE + +static struct file_operations rc_pid_fop_events = { + .owner = THIS_MODULE, + .read = rate_control_pid_events_read, + .poll = rate_control_pid_events_poll, + .open = rate_control_pid_events_open, + .release = rate_control_pid_events_release, +}; + +void rate_control_pid_add_sta_debugfs(void *priv, void *priv_sta, + struct dentry *dir) +{ + struct rc_pid_sta_info *spinfo = priv_sta; + + spinfo->events_entry = debugfs_create_file("rc_pid_events", S_IRUGO, + dir, spinfo, + &rc_pid_fop_events); +} + +void rate_control_pid_remove_sta_debugfs(void *priv, void *priv_sta) +{ + struct rc_pid_sta_info *spinfo = priv_sta; + + debugfs_remove(spinfo->events_entry); +} diff --git a/package/mac80211/src/net/mac80211/rc80211_simple.c b/package/mac80211/src/net/mac80211/rc80211_simple.c index ef91ce4..c467890 100644 --- a/package/mac80211/src/net/mac80211/rc80211_simple.c +++ b/package/mac80211/src/net/mac80211/rc80211_simple.c @@ -7,13 +7,13 @@ * published by the Free Software Foundation. */ -#include <linux/module.h> #include <linux/init.h> #include <linux/netdevice.h> #include <linux/types.h> #include <linux/slab.h> #include <linux/skbuff.h> #include <linux/compiler.h> +#include <linux/module.h> #include <net/mac80211.h> #include "ieee80211_i.h" @@ -24,19 +24,19 @@ /* This is a minimal implementation of TX rate controlling that can be used * as the default when no improved mechanisms are available. */ +#define RATE_CONTROL_NUM_DOWN 20 +#define RATE_CONTROL_NUM_UP 15 #define RATE_CONTROL_EMERG_DEC 2 #define RATE_CONTROL_INTERVAL (HZ / 20) #define RATE_CONTROL_MIN_TX 10 -MODULE_ALIAS("rc80211_default"); - static void rate_control_rate_inc(struct ieee80211_local *local, struct sta_info *sta) { struct ieee80211_sub_if_data *sdata; - struct ieee80211_hw_mode *mode; - int i = sta->txrate; + struct ieee80211_supported_band *sband; + int i = sta->txrate_idx; int maxrate; sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); @@ -45,18 +45,17 @@ static void rate_control_rate_inc(struct ieee80211_local *local, return; } - mode = local->oper_hw_mode; + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; maxrate = sdata->bss ? sdata->bss->max_ratectrl_rateidx : -1; - if (i > mode->num_rates) - i = mode->num_rates - 2; + if (i > sband->n_bitrates) + i = sband->n_bitrates - 2; - while (i + 1 < mode->num_rates) { + while (i + 1 < sband->n_bitrates) { i++; - if (sta->supp_rates & BIT(i) && - mode->rates[i].flags & IEEE80211_RATE_SUPPORTED && + if (rate_supported(sta, sband->band, i) && (maxrate < 0 || i <= maxrate)) { - sta->txrate = i; + sta->txrate_idx = i; break; } } @@ -67,8 +66,8 @@ static void rate_control_rate_dec(struct ieee80211_local *local, struct sta_info *sta) { struct ieee80211_sub_if_data *sdata; - struct ieee80211_hw_mode *mode; - int i = sta->txrate; + struct ieee80211_supported_band *sband; + int i = sta->txrate_idx; sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) { @@ -76,40 +75,19 @@ static void rate_control_rate_dec(struct ieee80211_local *local, return; } - mode = local->oper_hw_mode; - if (i > mode->num_rates) - i = mode->num_rates; + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + if (i > sband->n_bitrates) + i = sband->n_bitrates; while (i > 0) { i--; - if (sta->supp_rates & BIT(i) && - mode->rates[i].flags & IEEE80211_RATE_SUPPORTED) { - sta->txrate = i; + if (rate_supported(sta, sband->band, i)) { + sta->txrate_idx = i; break; } } } - -static struct ieee80211_rate * -rate_control_lowest_rate(struct ieee80211_local *local, - struct ieee80211_hw_mode *mode) -{ - int i; - - for (i = 0; i < mode->num_rates; i++) { - struct ieee80211_rate *rate = &mode->rates[i]; - - if (rate->flags & IEEE80211_RATE_SUPPORTED) - return rate; - } - - printk(KERN_DEBUG "rate_control_lowest_rate - no supported rates " - "found\n"); - return &mode->rates[0]; -} - - struct global_rate_control { int dummy; }; @@ -188,7 +166,7 @@ static void rate_control_simple_tx_status(void *priv, struct net_device *dev, } else if (per_failed < RATE_CONTROL_NUM_UP) { rate_control_rate_inc(local, sta); } - srctrl->tx_avg_rate_sum += status->control.rate->rate; + srctrl->tx_avg_rate_sum += status->control.tx_rate->bitrate; srctrl->tx_avg_rate_num++; srctrl->tx_num_failures = 0; srctrl->tx_num_xmit = 0; @@ -201,9 +179,10 @@ static void rate_control_simple_tx_status(void *priv, struct net_device *dev, srctrl->avg_rate_update = jiffies; if (srctrl->tx_avg_rate_num > 0) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: STA " MAC_FMT " Average rate: " + DECLARE_MAC_BUF(mac); + printk(KERN_DEBUG "%s: STA %s Average rate: " "%d (%d/%d)\n", - dev->name, MAC_ARG(sta->addr), + dev->name, print_mac(mac, sta->addr), srctrl->tx_avg_rate_sum / srctrl->tx_avg_rate_num, srctrl->tx_avg_rate_sum, @@ -218,56 +197,47 @@ static void rate_control_simple_tx_status(void *priv, struct net_device *dev, } -static struct ieee80211_rate * +static void rate_control_simple_get_rate(void *priv, struct net_device *dev, + struct ieee80211_supported_band *sband, struct sk_buff *skb, - struct rate_control_extra *extra) + struct rate_selection *sel) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_hw_mode *mode = extra->mode; + struct ieee80211_sub_if_data *sdata; struct sta_info *sta; - int rateidx, nonerp_idx; + int rateidx; u16 fc; - memset(extra, 0, sizeof(*extra)); + sta = sta_info_get(local, hdr->addr1); + /* Send management frames and broadcast/multicast data using lowest + * rate. */ fc = le16_to_cpu(hdr->frame_control); if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA || - (hdr->addr1[0] & 0x01)) { - /* Send management frames and broadcast/multicast data using - * lowest rate. */ - /* TODO: this could probably be improved.. */ - return rate_control_lowest_rate(local, mode); + is_multicast_ether_addr(hdr->addr1) || !sta) { + sel->rate = rate_lowest(local, sband, sta); + if (sta) + sta_info_put(sta); + return; } - sta = sta_info_get(local, hdr->addr1); - - if (!sta) - return rate_control_lowest_rate(local, mode); - + /* If a forced rate is in effect, select it. */ sdata = IEEE80211_DEV_TO_SUB_IF(dev); if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) - sta->txrate = sdata->bss->force_unicast_rateidx; + sta->txrate_idx = sdata->bss->force_unicast_rateidx; - rateidx = sta->txrate; + rateidx = sta->txrate_idx; - if (rateidx >= mode->num_rates) - rateidx = mode->num_rates - 1; + if (rateidx >= sband->n_bitrates) + rateidx = sband->n_bitrates - 1; - sta->last_txrate = rateidx; - nonerp_idx = rateidx; - while (nonerp_idx > 0 && - ((mode->rates[nonerp_idx].flags & IEEE80211_RATE_ERP) || - !(mode->rates[nonerp_idx].flags & IEEE80211_RATE_SUPPORTED) || - !(sta->supp_rates & BIT(nonerp_idx)))) - nonerp_idx--; - extra->nonerp = &mode->rates[nonerp_idx]; + sta->last_txrate_idx = rateidx; sta_info_put(sta); - return &mode->rates[rateidx]; + sel->rate = &sband->bitrates[rateidx]; } @@ -275,21 +245,15 @@ static void rate_control_simple_rate_init(void *priv, void *priv_sta, struct ieee80211_local *local, struct sta_info *sta) { - struct ieee80211_hw_mode *mode; - int i; - sta->txrate = 0; - mode = local->oper_hw_mode; + struct ieee80211_supported_band *sband; + + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + /* TODO: This routine should consider using RSSI from previous packets * as we need to have IEEE 802.1X auth succeed immediately after assoc.. * Until that method is implemented, we will use the lowest supported rate * as a workaround, */ - for (i = 0; i < mode->num_rates; i++) { - if ((sta->supp_rates & BIT(i)) && - (mode->rates[i].flags & IEEE80211_RATE_SUPPORTED)) { - sta->txrate = i; - break; - } - } + sta->txrate_idx = rate_lowest_index(local, sband, sta); } @@ -393,8 +357,7 @@ static void rate_control_simple_remove_sta_debugfs(void *priv, void *priv_sta) } #endif -static struct rate_control_ops rate_control_simple = { - .module = THIS_MODULE, +static struct rate_control_ops mac80211_rcsimple = { .name = "simple", .tx_status = rate_control_simple_tx_status, .get_rate = rate_control_simple_get_rate, @@ -410,21 +373,20 @@ static struct rate_control_ops rate_control_simple = { #endif }; +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Simple rate control algorithm"); -static int __init rate_control_simple_init(void) +int __init rc80211_simple_init(void) { - return ieee80211_rate_control_register(&rate_control_simple); + return ieee80211_rate_control_register(&mac80211_rcsimple); } - -static void __exit rate_control_simple_exit(void) +void rc80211_simple_exit(void) { - ieee80211_rate_control_unregister(&rate_control_simple); + ieee80211_rate_control_unregister(&mac80211_rcsimple); } - -subsys_initcall(rate_control_simple_init); -module_exit(rate_control_simple_exit); - -MODULE_DESCRIPTION("Simple rate control algorithm for ieee80211"); -MODULE_LICENSE("GPL"); +#ifdef CONFIG_MAC80211_RC_SIMPLE_MODULE +module_init(rc80211_simple_init); +module_exit(rc80211_simple_exit); +#endif diff --git a/package/mac80211/src/net/mac80211/regdomain.c b/package/mac80211/src/net/mac80211/regdomain.c deleted file mode 100644 index f42678f..0000000 --- a/package/mac80211/src/net/mac80211/regdomain.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * Copyright 2005-2006, Devicescape Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/* - * This regulatory domain control implementation is known to be incomplete - * and confusing. mac80211 regulatory domain control will be significantly - * reworked in the not-too-distant future. - * - * For now, drivers wishing to control which channels are and aren't available - * are advised as follows: - * - set the IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED flag - * - continue to include *ALL* possible channels in the modes registered - * through ieee80211_register_hwmode() - * - for each allowable ieee80211_channel structure registered in the above - * call, set the flag member to some meaningful value such as - * IEEE80211_CHAN_W_SCAN | IEEE80211_CHAN_W_ACTIVE_SCAN | - * IEEE80211_CHAN_W_IBSS. - * - leave flag as 0 for non-allowable channels - * - * The usual implementation is for a driver to read a device EEPROM to - * determine which regulatory domain it should be operating under, then - * looking up the allowable channels in a driver-local table, then performing - * the above. - */ - -#include <linux/module.h> -#include <linux/netdevice.h> -#include <net/mac80211.h> -#include "ieee80211_i.h" - -static int ieee80211_regdom = 0x10; /* FCC */ -module_param(ieee80211_regdom, int, 0444); -MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain; 64=MKK"); - -/* - * If firmware is upgraded by the vendor, additional channels can be used based - * on the new Japanese regulatory rules. This is indicated by setting - * ieee80211_japan_5ghz module parameter to one when loading the 80211 kernel - * module. - */ -static int ieee80211_japan_5ghz /* = 0 */; -module_param(ieee80211_japan_5ghz, int, 0444); -MODULE_PARM_DESC(ieee80211_japan_5ghz, "Vendor-updated firmware for 5 GHz"); - - -struct ieee80211_channel_range { - short start_freq; - short end_freq; - unsigned char power_level; - unsigned char antenna_max; -}; - -static const struct ieee80211_channel_range ieee80211_fcc_channels[] = { - { 2412, 2462, 27, 6 } /* IEEE 802.11b/g, channels 1..11 */, - { 5180, 5240, 17, 6 } /* IEEE 802.11a, channels 36..48 */, - { 5260, 5320, 23, 6 } /* IEEE 802.11a, channels 52..64 */, - { 5745, 5825, 30, 6 } /* IEEE 802.11a, channels 149..165, outdoor */, - { 0 } -}; - -static const struct ieee80211_channel_range ieee80211_mkk_channels[] = { - { 2412, 2472, 20, 6 } /* IEEE 802.11b/g, channels 1..13 */, - { 5170, 5240, 20, 6 } /* IEEE 802.11a, channels 34..48 */, - { 5260, 5320, 20, 6 } /* IEEE 802.11a, channels 52..64 */, - { 0 } -}; - - -static const struct ieee80211_channel_range *channel_range = - ieee80211_fcc_channels; - - -static void ieee80211_unmask_channel(int mode, struct ieee80211_channel *chan) -{ - int i; - - chan->flag = 0; - - for (i = 0; channel_range[i].start_freq; i++) { - const struct ieee80211_channel_range *r = &channel_range[i]; - if (r->start_freq <= chan->freq && r->end_freq >= chan->freq) { - if (ieee80211_regdom == 64 && !ieee80211_japan_5ghz && - chan->freq >= 5260 && chan->freq <= 5320) { - /* - * Skip new channels in Japan since the - * firmware was not marked having been upgraded - * by the vendor. - */ - continue; - } - - if (ieee80211_regdom == 0x10 && - (chan->freq == 5190 || chan->freq == 5210 || - chan->freq == 5230)) { - /* Skip MKK channels when in FCC domain. */ - continue; - } - - chan->flag |= IEEE80211_CHAN_W_SCAN | - IEEE80211_CHAN_W_ACTIVE_SCAN | - IEEE80211_CHAN_W_IBSS; - chan->power_level = r->power_level; - chan->antenna_max = r->antenna_max; - - if (ieee80211_regdom == 64 && - (chan->freq == 5170 || chan->freq == 5190 || - chan->freq == 5210 || chan->freq == 5230)) { - /* - * New regulatory rules in Japan have backwards - * compatibility with old channels in 5.15-5.25 - * GHz band, but the station is not allowed to - * use active scan on these old channels. - */ - chan->flag &= ~IEEE80211_CHAN_W_ACTIVE_SCAN; - } - - if (ieee80211_regdom == 64 && - (chan->freq == 5260 || chan->freq == 5280 || - chan->freq == 5300 || chan->freq == 5320)) { - /* - * IBSS is not allowed on 5.25-5.35 GHz band - * due to radar detection requirements. - */ - chan->flag &= ~IEEE80211_CHAN_W_IBSS; - } - - break; - } - } -} - - -void ieee80211_set_default_regdomain(struct ieee80211_hw_mode *mode) -{ - int c; - for (c = 0; c < mode->num_channels; c++) - ieee80211_unmask_channel(mode->mode, &mode->channels[c]); -} - - -void ieee80211_regdomain_init(void) -{ - if (ieee80211_regdom == 0x40) - channel_range = ieee80211_mkk_channels; -} - diff --git a/package/mac80211/src/net/mac80211/rx.c b/package/mac80211/src/net/mac80211/rx.c index 064924c..943ba90 100644 --- a/package/mac80211/src/net/mac80211/rx.c +++ b/package/mac80211/src/net/mac80211/rx.c @@ -24,6 +24,10 @@ #include "tkip.h" #include "wme.h" +u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, + struct tid_ampdu_rx *tid_agg_rx, + struct sk_buff *skb, u16 mpdu_seq_num, + int bar_req); /* * monitor mode reception * @@ -61,8 +65,12 @@ static inline int should_drop_frame(struct ieee80211_rx_status *status, return 1; if (unlikely(skb->len < 16 + present_fcs_len + radiotap_len)) return 1; - if ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == - cpu_to_le16(IEEE80211_FTYPE_CTL)) + if (((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == + cpu_to_le16(IEEE80211_FTYPE_CTL)) && + ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE)) != + cpu_to_le16(IEEE80211_STYPE_PSPOLL)) && + ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE)) != + cpu_to_le16(IEEE80211_STYPE_BACK_REQ))) return 1; return 0; } @@ -74,13 +82,14 @@ static inline int should_drop_frame(struct ieee80211_rx_status *status, */ static struct sk_buff * ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb, - struct ieee80211_rx_status *status) + struct ieee80211_rx_status *status, + struct ieee80211_rate *rate) { struct ieee80211_sub_if_data *sdata; - struct ieee80211_rate *rate; int needed_headroom = 0; - struct ieee80211_rtap_hdr { - struct ieee80211_radiotap_header hdr; + struct ieee80211_radiotap_header *rthdr; + __le64 *rttsft = NULL; + struct ieee80211_rtap_fixed_data { u8 flags; u8 rate; __le16 chan_freq; @@ -88,7 +97,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb, u8 antsignal; u8 padding_for_rxflags; __le16 rx_flags; - } __attribute__ ((packed)) *rthdr; + } __attribute__ ((packed)) *rtfixed; struct sk_buff *skb, *skb2; struct net_device *prev_dev = NULL; int present_fcs_len = 0; @@ -105,7 +114,8 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb, if (status->flag & RX_FLAG_RADIOTAP) rtap_len = ieee80211_get_radiotap_len(origskb->data); else - needed_headroom = sizeof(*rthdr); + /* room for radiotap header, always present fields and TSFT */ + needed_headroom = sizeof(*rthdr) + sizeof(*rtfixed) + 8; if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) present_fcs_len = FCS_LEN; @@ -133,7 +143,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb, * them allocate enough headroom to start with. */ if (skb_headroom(skb) < needed_headroom && - pskb_expand_head(skb, sizeof(*rthdr), 0, GFP_ATOMIC)) { + pskb_expand_head(skb, needed_headroom, 0, GFP_ATOMIC)) { dev_kfree_skb(skb); return NULL; } @@ -152,45 +162,56 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb, /* if necessary, prepend radiotap information */ if (!(status->flag & RX_FLAG_RADIOTAP)) { + rtfixed = (void *) skb_push(skb, sizeof(*rtfixed)); + rtap_len = sizeof(*rthdr) + sizeof(*rtfixed); + if (status->flag & RX_FLAG_TSFT) { + rttsft = (void *) skb_push(skb, sizeof(*rttsft)); + rtap_len += 8; + } rthdr = (void *) skb_push(skb, sizeof(*rthdr)); memset(rthdr, 0, sizeof(*rthdr)); - rthdr->hdr.it_len = cpu_to_le16(sizeof(*rthdr)); - rthdr->hdr.it_present = + memset(rtfixed, 0, sizeof(*rtfixed)); + rthdr->it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) | (1 << IEEE80211_RADIOTAP_RATE) | (1 << IEEE80211_RADIOTAP_CHANNEL) | (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | (1 << IEEE80211_RADIOTAP_RX_FLAGS)); - rthdr->flags = local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS ? - IEEE80211_RADIOTAP_F_FCS : 0; + rtfixed->flags = 0; + if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) + rtfixed->flags |= IEEE80211_RADIOTAP_F_FCS; + + if (rttsft) { + *rttsft = cpu_to_le64(status->mactime); + rthdr->it_present |= + cpu_to_le32(1 << IEEE80211_RADIOTAP_TSFT); + } /* FIXME: when radiotap gets a 'bad PLCP' flag use it here */ - rthdr->rx_flags = 0; + rtfixed->rx_flags = 0; if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC)) - rthdr->rx_flags |= + rtfixed->rx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_RX_BADFCS); - rate = ieee80211_get_rate(local, status->phymode, - status->rate); - if (rate) - rthdr->rate = rate->rate / 5; + rtfixed->rate = rate->bitrate / 5; - rthdr->chan_freq = cpu_to_le16(status->freq); + rtfixed->chan_freq = cpu_to_le16(status->freq); - if (status->phymode == MODE_IEEE80211A) - rthdr->chan_flags = + if (status->band == IEEE80211_BAND_5GHZ) + rtfixed->chan_flags = cpu_to_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ); else - rthdr->chan_flags = + rtfixed->chan_flags = cpu_to_le16(IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ); - rthdr->antsignal = status->ssi; + rtfixed->antsignal = status->ssi; + rthdr->it_len = cpu_to_le16(rtap_len); } - skb_set_mac_header(skb, 0); + skb_reset_mac_header(skb); skb->ip_summed = CHECKSUM_UNNECESSARY; skb->pkt_type = PACKET_OTHERHOST; skb->protocol = htons(ETH_P_802_2); @@ -199,7 +220,10 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb, if (!netif_running(sdata->dev)) continue; - if (sdata->type != IEEE80211_IF_TYPE_MNTR) + if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR) + continue; + + if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) continue; if (prev_dev) { @@ -225,15 +249,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb, } -/* pre-rx handlers - * - * these don't have dev/sdata fields in the rx data - * The sta value should also not be used because it may - * be NULL even though a STA (in IBSS mode) will be added. - */ - -static ieee80211_txrx_result -ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx) +static void ieee80211_parse_qos(struct ieee80211_txrx_data *rx) { u8 *data = rx->skb->data; int tid; @@ -243,6 +259,10 @@ ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx) u8 *qc = data + ieee80211_get_hdrlen(rx->fc) - QOS_CONTROL_LEN; /* frame has qos control */ tid = qc[0] & QOS_CONTROL_TID_MASK; + if (qc[0] & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT) + rx->flags |= IEEE80211_TXRXD_RX_AMSDU; + else + rx->flags &= ~IEEE80211_TXRXD_RX_AMSDU; } else { if (unlikely((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)) { /* Separate TID for management frames */ @@ -262,40 +282,59 @@ ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx) /* Set skb->priority to 1d tag if highest order bit of TID is not set. * For now, set skb->priority to 0 for other cases. */ rx->skb->priority = (tid > 7) ? 0 : tid; +} + +static void ieee80211_verify_ip_alignment(struct ieee80211_txrx_data *rx) +{ +#ifdef CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT + int hdrlen; - return TXRX_CONTINUE; + if (!WLAN_FC_DATA_PRESENT(rx->fc)) + return; + + /* + * Drivers are required to align the payload data in a way that + * guarantees that the contained IP header is aligned to a four- + * byte boundary. In the case of regular frames, this simply means + * aligning the payload to a four-byte boundary (because either + * the IP header is directly contained, or IV/RFC1042 headers that + * have a length divisible by four are in front of it. + * + * With A-MSDU frames, however, the payload data address must + * yield two modulo four because there are 14-byte 802.3 headers + * within the A-MSDU frames that push the IP header further back + * to a multiple of four again. Thankfully, the specs were sane + * enough this time around to require padding each A-MSDU subframe + * to a length that is a multiple of four. + * + * Padding like atheros hardware adds which is inbetween the 802.11 + * header and the payload is not supported, the driver is required + * to move the 802.11 header further back in that case. + */ + hdrlen = ieee80211_get_hdrlen(rx->fc); + if (rx->flags & IEEE80211_TXRXD_RX_AMSDU) + hdrlen += ETH_HLEN; + WARN_ON_ONCE(((unsigned long)(rx->skb->data + hdrlen)) & 3); +#endif } -static ieee80211_txrx_result -ieee80211_rx_h_load_stats(struct ieee80211_txrx_data *rx) + +static u32 ieee80211_rx_load_stats(struct ieee80211_local *local, + struct sk_buff *skb, + struct ieee80211_rx_status *status, + struct ieee80211_rate *rate) { - struct ieee80211_local *local = rx->local; - struct sk_buff *skb = rx->skb; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; u32 load = 0, hdrtime; - struct ieee80211_rate *rate; - struct ieee80211_hw_mode *mode = local->hw.conf.mode; - int i; /* Estimate total channel use caused by this frame */ - if (unlikely(mode->num_rates < 0)) - return TXRX_CONTINUE; - - rate = &mode->rates[0]; - for (i = 0; i < mode->num_rates; i++) { - if (mode->rates[i].val == rx->u.rx.status->rate) { - rate = &mode->rates[i]; - break; - } - } - /* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values, * 1 usec = 1/8 * (1080 / 10) = 13.5 */ - if (mode->mode == MODE_IEEE80211A || - (mode->mode == MODE_IEEE80211G && - rate->flags & IEEE80211_RATE_ERP)) + if (status->band == IEEE80211_BAND_5GHZ || + (status->band == IEEE80211_BAND_5GHZ && + rate->flags & IEEE80211_RATE_ERP_G)) hdrtime = CHAN_UTIL_HDR_SHORT; else hdrtime = CHAN_UTIL_HDR_LONG; @@ -304,55 +343,53 @@ ieee80211_rx_h_load_stats(struct ieee80211_txrx_data *rx) if (!is_multicast_ether_addr(hdr->addr1)) load += hdrtime; - load += skb->len * rate->rate_inv; + /* TODO: optimise again */ + load += skb->len * CHAN_UTIL_RATE_LCM / rate->bitrate; /* Divide channel_use by 8 to avoid wrapping around the counter */ load >>= CHAN_UTIL_SHIFT; - local->channel_use_raw += load; - rx->u.rx.load = load; - return TXRX_CONTINUE; + return load; } -ieee80211_rx_handler ieee80211_rx_pre_handlers[] = -{ - ieee80211_rx_h_parse_qos, - ieee80211_rx_h_load_stats, - NULL -}; - /* rx handlers */ -static ieee80211_txrx_result +static ieee80211_rx_result ieee80211_rx_h_if_stats(struct ieee80211_txrx_data *rx) { if (rx->sta) rx->sta->channel_use_raw += rx->u.rx.load; rx->sdata->channel_use_raw += rx->u.rx.load; - return TXRX_CONTINUE; + return RX_CONTINUE; } -static ieee80211_txrx_result +static ieee80211_rx_result ieee80211_rx_h_passive_scan(struct ieee80211_txrx_data *rx) { struct ieee80211_local *local = rx->local; struct sk_buff *skb = rx->skb; - if (unlikely(local->sta_scanning != 0)) { - ieee80211_sta_rx_scan(rx->dev, skb, rx->u.rx.status); - return TXRX_QUEUED; + if (unlikely(local->sta_hw_scanning)) + return ieee80211_sta_rx_scan(rx->dev, skb, rx->u.rx.status); + + if (unlikely(local->sta_sw_scanning)) { + /* drop all the other packets during a software scan anyway */ + if (ieee80211_sta_rx_scan(rx->dev, skb, rx->u.rx.status) + != RX_QUEUED) + dev_kfree_skb(skb); + return RX_QUEUED; } if (unlikely(rx->flags & IEEE80211_TXRXD_RXIN_SCAN)) { /* scanning finished during invoking of handlers */ I802_DEBUG_INC(local->rx_handlers_drop_passive_scan); - return TXRX_DROP; + return RX_DROP_UNUSABLE; } - return TXRX_CONTINUE; + return RX_CONTINUE; } -static ieee80211_txrx_result +static ieee80211_rx_result ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) { struct ieee80211_hdr *hdr; @@ -367,28 +404,16 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) rx->local->dot11FrameDuplicateCount++; rx->sta->num_duplicates++; } - return TXRX_DROP; + return RX_DROP_MONITOR; } else rx->sta->last_seq_ctrl[rx->u.rx.queue] = hdr->seq_ctrl; } if (unlikely(rx->skb->len < 16)) { I802_DEBUG_INC(rx->local->rx_handlers_drop_short); - return TXRX_DROP; + return RX_DROP_MONITOR; } - if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) - rx->skb->pkt_type = PACKET_OTHERHOST; - else if (compare_ether_addr(rx->dev->dev_addr, hdr->addr1) == 0) - rx->skb->pkt_type = PACKET_HOST; - else if (is_multicast_ether_addr(hdr->addr1)) { - if (is_broadcast_ether_addr(hdr->addr1)) - rx->skb->pkt_type = PACKET_BROADCAST; - else - rx->skb->pkt_type = PACKET_MULTICAST; - } else - rx->skb->pkt_type = PACKET_OTHERHOST; - /* Drop disallowed frame classes based on STA auth/assoc state; * IEEE 802.11, Chap 5.5. * @@ -400,7 +425,7 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) if (unlikely(((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA || ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL && (rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL)) && - rx->sdata->type != IEEE80211_IF_TYPE_IBSS && + rx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS && (!rx->sta || !(rx->sta->flags & WLAN_STA_ASSOC)))) { if ((!(rx->fc & IEEE80211_FCTL_FROMDS) && !(rx->fc & IEEE80211_FCTL_TODS) && @@ -408,23 +433,23 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) || !(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) { /* Drop IBSS frames and frames for other hosts * silently. */ - return TXRX_DROP; + return RX_DROP_MONITOR; } - return TXRX_DROP; + return RX_DROP_MONITOR; } - return TXRX_CONTINUE; + return RX_CONTINUE; } -static ieee80211_txrx_result +static ieee80211_rx_result ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; int keyidx; int hdrlen; - ieee80211_txrx_result result = TXRX_DROP; + ieee80211_rx_result result = RX_DROP_UNUSABLE; struct ieee80211_key *stakey = NULL; /* @@ -454,14 +479,14 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) */ if (!(rx->fc & IEEE80211_FCTL_PROTECTED)) - return TXRX_CONTINUE; + return RX_CONTINUE; /* * No point in finding a key and decrypting if the frame is neither * addressed to us nor a multicast frame. */ if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) - return TXRX_CONTINUE; + return RX_CONTINUE; if (rx->sta) stakey = rcu_dereference(rx->sta->key); @@ -480,12 +505,12 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) */ if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) - return TXRX_CONTINUE; + return RX_CONTINUE; hdrlen = ieee80211_get_hdrlen(rx->fc); if (rx->skb->len < 8 + hdrlen) - return TXRX_DROP; /* TODO: count this? */ + return RX_DROP_UNUSABLE; /* TODO: count this? */ /* * no need to call ieee80211_wep_get_keyidx, @@ -509,10 +534,12 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) rx->key->tx_rx_count++; /* TODO: add threshold stuff again */ } else { +#ifdef CONFIG_MAC80211_DEBUG if (net_ratelimit()) printk(KERN_DEBUG "%s: RX protected frame," " but have no key\n", rx->dev->name); - return TXRX_DROP; +#endif /* CONFIG_MAC80211_DEBUG */ + return RX_DROP_MONITOR; } /* Check for weak IVs if possible */ @@ -544,6 +571,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta) { struct ieee80211_sub_if_data *sdata; + DECLARE_MAC_BUF(mac); + sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); if (sdata->bss) @@ -551,8 +580,8 @@ static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta) sta->flags |= WLAN_STA_PS; sta->pspoll = 0; #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - printk(KERN_DEBUG "%s: STA " MAC_FMT " aid %d enters power " - "save mode\n", dev->name, MAC_ARG(sta->addr), sta->aid); + printk(KERN_DEBUG "%s: STA %s aid %d enters power save mode\n", + dev->name, print_mac(mac, sta->addr), sta->aid); #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ } @@ -563,6 +592,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta) int sent = 0; struct ieee80211_sub_if_data *sdata; struct ieee80211_tx_packet_data *pkt_data; + DECLARE_MAC_BUF(mac); sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); if (sdata->bss) @@ -576,8 +606,8 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta) bss_tim_clear(local, sdata->bss, sta->aid); } #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - printk(KERN_DEBUG "%s: STA " MAC_FMT " aid %d exits power " - "save mode\n", dev->name, MAC_ARG(sta->addr), sta->aid); + printk(KERN_DEBUG "%s: STA %s aid %d exits power save mode\n", + dev->name, print_mac(mac, sta->addr), sta->aid); #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ /* Send all buffered frames to the station */ while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) { @@ -591,9 +621,9 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta) local->total_ps_buffered--; sent++; #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - printk(KERN_DEBUG "%s: STA " MAC_FMT " aid %d send PS frame " + printk(KERN_DEBUG "%s: STA %s aid %d send PS frame " "since STA not sleeping anymore\n", dev->name, - MAC_ARG(sta->addr), sta->aid); + print_mac(mac, sta->addr), sta->aid); #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ pkt_data->flags |= IEEE80211_TXPD_REQUEUE; dev_queue_xmit(skb); @@ -602,7 +632,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta) return sent; } -static ieee80211_txrx_result +static ieee80211_rx_result ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) { struct sta_info *sta = rx->sta; @@ -610,18 +640,19 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; if (!sta) - return TXRX_CONTINUE; + return RX_CONTINUE; /* Update last_rx only for IBSS packets which are for the current * BSSID to avoid keeping the current IBSS network alive in cases where * other STAs are using different BSSID. */ - if (rx->sdata->type == IEEE80211_IF_TYPE_IBSS) { - u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len); + if (rx->sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { + u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len, + IEEE80211_IF_TYPE_IBSS); if (compare_ether_addr(bssid, rx->sdata->u.sta.bssid) == 0) sta->last_rx = jiffies; } else if (!is_multicast_ether_addr(hdr->addr1) || - rx->sdata->type == IEEE80211_IF_TYPE_STA) { + rx->sdata->vif.type == IEEE80211_IF_TYPE_STA) { /* Update last_rx only for unicast frames in order to prevent * the Probe Request frames (the only broadcast frames from a * STA in infrastructure mode) from keeping a connection alive. @@ -630,7 +661,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) } if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) - return TXRX_CONTINUE; + return RX_CONTINUE; sta->rx_fragments++; sta->rx_bytes += rx->skb->len; @@ -657,10 +688,10 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) * as a dropped packed. */ sta->rx_packets++; dev_kfree_skb(rx->skb); - return TXRX_QUEUED; + return RX_QUEUED; } - return TXRX_CONTINUE; + return RX_CONTINUE; } /* ieee80211_rx_h_sta_process */ static inline struct ieee80211_fragment_entry * @@ -680,13 +711,15 @@ ieee80211_reassemble_add(struct ieee80211_sub_if_data *sdata, #ifdef CONFIG_MAC80211_DEBUG struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) entry->skb_list.next->data; + DECLARE_MAC_BUF(mac); + DECLARE_MAC_BUF(mac2); printk(KERN_DEBUG "%s: RX reassembly removed oldest " "fragment entry (idx=%d age=%lu seq=%d last_frag=%d " - "addr1=" MAC_FMT " addr2=" MAC_FMT "\n", + "addr1=%s addr2=%s\n", sdata->dev->name, idx, jiffies - entry->first_frag_time, entry->seq, - entry->last_frag, MAC_ARG(hdr->addr1), - MAC_ARG(hdr->addr2)); + entry->last_frag, print_mac(mac, hdr->addr1), + print_mac(mac2, hdr->addr2)); #endif /* CONFIG_MAC80211_DEBUG */ __skb_queue_purge(&entry->skb_list); } @@ -744,7 +777,7 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata, return NULL; } -static ieee80211_txrx_result +static ieee80211_rx_result ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) { struct ieee80211_hdr *hdr; @@ -752,6 +785,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) unsigned int frag, seq; struct ieee80211_fragment_entry *entry; struct sk_buff *skb; + DECLARE_MAC_BUF(mac); hdr = (struct ieee80211_hdr *) rx->skb->data; sc = le16_to_cpu(hdr->seq_ctrl); @@ -780,7 +814,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) rx->key->u.ccmp.rx_pn[rx->u.rx.queue], CCMP_PN_LEN); } - return TXRX_QUEUED; + return RX_QUEUED; } /* This is a fragment for a frame that should already be pending in @@ -790,7 +824,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) rx->u.rx.queue, hdr); if (!entry) { I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); - return TXRX_DROP; + return RX_DROP_MONITOR; } /* Verify that MPDUs within one MSDU have sequential PN values. @@ -799,7 +833,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) int i; u8 pn[CCMP_PN_LEN], *rpn; if (!rx->key || rx->key->conf.alg != ALG_CCMP) - return TXRX_DROP; + return RX_DROP_UNUSABLE; memcpy(pn, entry->last_pn, CCMP_PN_LEN); for (i = CCMP_PN_LEN - 1; i >= 0; i--) { pn[i]++; @@ -810,14 +844,14 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) if (memcmp(pn, rpn, CCMP_PN_LEN) != 0) { if (net_ratelimit()) printk(KERN_DEBUG "%s: defrag: CCMP PN not " - "sequential A2=" MAC_FMT + "sequential A2=%s" " PN=%02x%02x%02x%02x%02x%02x " "(expected %02x%02x%02x%02x%02x%02x)\n", - rx->dev->name, MAC_ARG(hdr->addr2), + rx->dev->name, print_mac(mac, hdr->addr2), rpn[0], rpn[1], rpn[2], rpn[3], rpn[4], rpn[5], pn[0], pn[1], pn[2], pn[3], pn[4], pn[5]); - return TXRX_DROP; + return RX_DROP_UNUSABLE; } memcpy(entry->last_pn, pn, CCMP_PN_LEN); } @@ -828,7 +862,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) entry->extra_len += rx->skb->len; if (rx->fc & IEEE80211_FCTL_MOREFRAGS) { rx->skb = NULL; - return TXRX_QUEUED; + return RX_QUEUED; } rx->skb = __skb_dequeue(&entry->skb_list); @@ -838,7 +872,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) GFP_ATOMIC))) { I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); __skb_queue_purge(&entry->skb_list); - return TXRX_DROP; + return RX_DROP_UNUSABLE; } } while ((skb = __skb_dequeue(&entry->skb_list))) { @@ -856,20 +890,26 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) rx->local->dot11MulticastReceivedFrameCount++; else ieee80211_led_rx(rx->local); - return TXRX_CONTINUE; + return RX_CONTINUE; } -static ieee80211_txrx_result +static ieee80211_rx_result ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) { + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); struct sk_buff *skb; int no_pending_pkts; + DECLARE_MAC_BUF(mac); if (likely(!rx->sta || (rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL || (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PSPOLL || !(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))) - return TXRX_CONTINUE; + return RX_CONTINUE; + + if ((sdata->vif.type != IEEE80211_IF_TYPE_AP) && + (sdata->vif.type != IEEE80211_IF_TYPE_VLAN)) + return RX_DROP_UNUSABLE; skb = skb_dequeue(&rx->sta->tx_filtered); if (!skb) { @@ -889,9 +929,8 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) rx->sta->pspoll = 1; #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - printk(KERN_DEBUG "STA " MAC_FMT " aid %d: PS Poll (entries " - "after %d)\n", - MAC_ARG(rx->sta->addr), rx->sta->aid, + printk(KERN_DEBUG "STA %s aid %d: PS Poll (entries after %d)\n", + print_mac(mac, rx->sta->addr), rx->sta->aid, skb_queue_len(&rx->sta->ps_tx_buf)); #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ @@ -914,21 +953,21 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) } #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG } else if (!rx->u.rx.sent_ps_buffered) { - printk(KERN_DEBUG "%s: STA " MAC_FMT " sent PS Poll even " + printk(KERN_DEBUG "%s: STA %s sent PS Poll even " "though there is no buffered frames for it\n", - rx->dev->name, MAC_ARG(rx->sta->addr)); + rx->dev->name, print_mac(mac, rx->sta->addr)); #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ } - /* Free PS Poll skb here instead of returning TXRX_DROP that would + /* Free PS Poll skb here instead of returning RX_DROP that would * count as an dropped frame. */ dev_kfree_skb(rx->skb); - return TXRX_QUEUED; + return RX_QUEUED; } -static ieee80211_txrx_result +static ieee80211_rx_result ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx) { u16 fc = rx->fc; @@ -936,7 +975,7 @@ ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) data; if (!WLAN_FC_IS_QOS_DATA(fc)) - return TXRX_CONTINUE; + return RX_CONTINUE; /* remove the qos control field, update frame type and meta-data */ memmove(data + 2, data, ieee80211_get_hdrlen(fc) - 2); @@ -945,78 +984,67 @@ ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx) rx->fc = fc &= ~IEEE80211_STYPE_QOS_DATA; hdr->frame_control = cpu_to_le16(fc); - return TXRX_CONTINUE; + return RX_CONTINUE; } -static ieee80211_txrx_result -ieee80211_rx_h_802_1x_pae(struct ieee80211_txrx_data *rx) +static int +ieee80211_802_1x_port_control(struct ieee80211_txrx_data *rx) { - if (rx->sdata->eapol && ieee80211_is_eapol(rx->skb) && - rx->sdata->type != IEEE80211_IF_TYPE_STA && - (rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) - return TXRX_CONTINUE; - - if (unlikely(rx->sdata->ieee802_1x && - (rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA && - (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_NULLFUNC && - (!rx->sta || !(rx->sta->flags & WLAN_STA_AUTHORIZED)) && - !ieee80211_is_eapol(rx->skb))) { + if (unlikely(!rx->sta || !(rx->sta->flags & WLAN_STA_AUTHORIZED))) { #ifdef CONFIG_MAC80211_DEBUG - struct ieee80211_hdr *hdr = - (struct ieee80211_hdr *) rx->skb->data; - printk(KERN_DEBUG "%s: dropped frame from " MAC_FMT - " (unauthorized port)\n", rx->dev->name, - MAC_ARG(hdr->addr2)); + if (net_ratelimit()) + printk(KERN_DEBUG "%s: dropped frame " + "(unauthorized port)\n", rx->dev->name); #endif /* CONFIG_MAC80211_DEBUG */ - return TXRX_DROP; + return -EACCES; } - return TXRX_CONTINUE; + return 0; } -static ieee80211_txrx_result -ieee80211_rx_h_drop_unencrypted(struct ieee80211_txrx_data *rx) +static int +ieee80211_drop_unencrypted(struct ieee80211_txrx_data *rx) { /* * Pass through unencrypted frames if the hardware has * decrypted them already. */ if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) - return TXRX_CONTINUE; + return 0; /* Drop unencrypted frames if key is set. */ if (unlikely(!(rx->fc & IEEE80211_FCTL_PROTECTED) && (rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA && (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_NULLFUNC && - rx->sdata->drop_unencrypted && - (rx->sdata->eapol == 0 || !ieee80211_is_eapol(rx->skb)))) { + (rx->key || rx->sdata->drop_unencrypted))) { if (net_ratelimit()) printk(KERN_DEBUG "%s: RX non-WEP frame, but expected " "encryption\n", rx->dev->name); - return TXRX_DROP; + return -EACCES; } - return TXRX_CONTINUE; + return 0; } -static ieee80211_txrx_result -ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) +static int +ieee80211_data_to_8023(struct ieee80211_txrx_data *rx) { struct net_device *dev = rx->dev; - struct ieee80211_local *local = rx->local; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; u16 fc, hdrlen, ethertype; u8 *payload; u8 dst[ETH_ALEN]; u8 src[ETH_ALEN]; - struct sk_buff *skb = rx->skb, *skb2; + struct sk_buff *skb = rx->skb; struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + DECLARE_MAC_BUF(mac); + DECLARE_MAC_BUF(mac2); + DECLARE_MAC_BUF(mac3); + DECLARE_MAC_BUF(mac4); fc = rx->fc; - if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)) - return TXRX_CONTINUE; if (unlikely(!WLAN_FC_DATA_PRESENT(fc))) - return TXRX_DROP; + return -1; hdrlen = ieee80211_get_hdrlen(fc); @@ -1036,18 +1064,16 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) memcpy(dst, hdr->addr3, ETH_ALEN); memcpy(src, hdr->addr2, ETH_ALEN); - if (unlikely(sdata->type != IEEE80211_IF_TYPE_AP && - sdata->type != IEEE80211_IF_TYPE_VLAN)) { + if (unlikely(sdata->vif.type != IEEE80211_IF_TYPE_AP && + sdata->vif.type != IEEE80211_IF_TYPE_VLAN)) { if (net_ratelimit()) printk(KERN_DEBUG "%s: dropped ToDS frame " - "(BSSID=" MAC_FMT - " SA=" MAC_FMT - " DA=" MAC_FMT ")\n", + "(BSSID=%s SA=%s DA=%s)\n", dev->name, - MAC_ARG(hdr->addr1), - MAC_ARG(hdr->addr2), - MAC_ARG(hdr->addr3)); - return TXRX_DROP; + print_mac(mac, hdr->addr1), + print_mac(mac2, hdr->addr2), + print_mac(mac3, hdr->addr3)); + return -1; } break; case (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS): @@ -1055,18 +1081,16 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) memcpy(dst, hdr->addr3, ETH_ALEN); memcpy(src, hdr->addr4, ETH_ALEN); - if (unlikely(sdata->type != IEEE80211_IF_TYPE_WDS)) { + if (unlikely(sdata->vif.type != IEEE80211_IF_TYPE_WDS)) { if (net_ratelimit()) printk(KERN_DEBUG "%s: dropped FromDS&ToDS " - "frame (RA=" MAC_FMT - " TA=" MAC_FMT " DA=" MAC_FMT - " SA=" MAC_FMT ")\n", + "frame (RA=%s TA=%s DA=%s SA=%s)\n", rx->dev->name, - MAC_ARG(hdr->addr1), - MAC_ARG(hdr->addr2), - MAC_ARG(hdr->addr3), - MAC_ARG(hdr->addr4)); - return TXRX_DROP; + print_mac(mac, hdr->addr1), + print_mac(mac2, hdr->addr2), + print_mac(mac3, hdr->addr3), + print_mac(mac4, hdr->addr4)); + return -1; } break; case IEEE80211_FCTL_FROMDS: @@ -1074,40 +1098,39 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) memcpy(dst, hdr->addr1, ETH_ALEN); memcpy(src, hdr->addr3, ETH_ALEN); - if (sdata->type != IEEE80211_IF_TYPE_STA || + if (sdata->vif.type != IEEE80211_IF_TYPE_STA || (is_multicast_ether_addr(dst) && !compare_ether_addr(src, dev->dev_addr))) - return TXRX_DROP; + return -1; break; case 0: /* DA SA BSSID */ memcpy(dst, hdr->addr1, ETH_ALEN); memcpy(src, hdr->addr2, ETH_ALEN); - if (sdata->type != IEEE80211_IF_TYPE_IBSS) { + if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS) { if (net_ratelimit()) { - printk(KERN_DEBUG "%s: dropped IBSS frame (DA=" - MAC_FMT " SA=" MAC_FMT " BSSID=" MAC_FMT - ")\n", - dev->name, MAC_ARG(hdr->addr1), - MAC_ARG(hdr->addr2), - MAC_ARG(hdr->addr3)); + printk(KERN_DEBUG "%s: dropped IBSS frame " + "(DA=%s SA=%s BSSID=%s)\n", + dev->name, + print_mac(mac, hdr->addr1), + print_mac(mac2, hdr->addr2), + print_mac(mac3, hdr->addr3)); } - return TXRX_DROP; + return -1; } break; } - payload = skb->data + hdrlen; - if (unlikely(skb->len - hdrlen < 8)) { if (net_ratelimit()) { printk(KERN_DEBUG "%s: RX too short data frame " "payload\n", dev->name); } - return TXRX_DROP; + return -1; } + payload = skb->data + hdrlen; ethertype = (payload[6] << 8) | payload[7]; if (likely((compare_ether_addr(payload, rfc1042_header) == 0 && @@ -1121,6 +1144,7 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) } else { struct ethhdr *ehdr; __be16 len; + skb_pull(skb, hdrlen); len = htons(skb->len); ehdr = (struct ethhdr *) skb_push(skb, sizeof(struct ethhdr)); @@ -1128,36 +1152,72 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) memcpy(ehdr->h_source, src, ETH_ALEN); ehdr->h_proto = len; } - skb->dev = dev; + return 0; +} - skb2 = NULL; +/* + * requires that rx->skb is a frame with ethernet header + */ +static bool ieee80211_frame_allowed(struct ieee80211_txrx_data *rx) +{ + static const u8 pae_group_addr[ETH_ALEN] + = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x03 }; + struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data; - dev->stats.rx_packets++; - dev->stats.rx_bytes += skb->len; + /* + * Allow EAPOL frames to us/the PAE group address regardless + * of whether the frame was encrypted or not. + */ + if (ehdr->h_proto == htons(ETH_P_PAE) && + (compare_ether_addr(ehdr->h_dest, rx->dev->dev_addr) == 0 || + compare_ether_addr(ehdr->h_dest, pae_group_addr) == 0)) + return true; + + if (ieee80211_802_1x_port_control(rx) || + ieee80211_drop_unencrypted(rx)) + return false; + + return true; +} + +/* + * requires that rx->skb is a frame with ethernet header + */ +static void +ieee80211_deliver_skb(struct ieee80211_txrx_data *rx) +{ + struct net_device *dev = rx->dev; + struct ieee80211_local *local = rx->local; + struct sk_buff *skb, *xmit_skb; + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data; + struct sta_info *dsta; - if (local->bridge_packets && (sdata->type == IEEE80211_IF_TYPE_AP - || sdata->type == IEEE80211_IF_TYPE_VLAN) && + skb = rx->skb; + xmit_skb = NULL; + + if (local->bridge_packets && (sdata->vif.type == IEEE80211_IF_TYPE_AP || + sdata->vif.type == IEEE80211_IF_TYPE_VLAN) && (rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) { - if (is_multicast_ether_addr(skb->data)) { - /* send multicast frames both to higher layers in - * local net stack and back to the wireless media */ - skb2 = skb_copy(skb, GFP_ATOMIC); - if (!skb2 && net_ratelimit()) + if (is_multicast_ether_addr(ehdr->h_dest)) { + /* + * send multicast frames both to higher layers in + * local net stack and back to the wireless medium + */ + xmit_skb = skb_copy(skb, GFP_ATOMIC); + if (!xmit_skb && net_ratelimit()) printk(KERN_DEBUG "%s: failed to clone " "multicast frame\n", dev->name); } else { - struct sta_info *dsta; dsta = sta_info_get(local, skb->data); - if (dsta && !dsta->dev) { - if (net_ratelimit()) - printk(KERN_DEBUG "Station with null " - "dev structure!\n"); - } else if (dsta && dsta->dev == dev) { - /* Destination station is associated to this - * AP, so send the frame directly to it and - * do not pass the frame to local net stack. + if (dsta && dsta->dev == dev) { + /* + * The destination station is associated to + * this AP (in this VLAN), so send the frame + * directly to it and do not pass it to local + * net stack. */ - skb2 = skb; + xmit_skb = skb; skb = NULL; } if (dsta) @@ -1172,84 +1232,232 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) netif_rx(skb); } - if (skb2) { + if (xmit_skb) { /* send to wireless media */ - skb2->protocol = __constant_htons(ETH_P_802_3); - skb_set_network_header(skb2, 0); - skb_set_mac_header(skb2, 0); - dev_queue_xmit(skb2); + xmit_skb->protocol = __constant_htons(ETH_P_802_3); + skb_reset_network_header(xmit_skb); + skb_reset_mac_header(xmit_skb); + dev_queue_xmit(xmit_skb); } - - return TXRX_QUEUED; } -static ieee80211_txrx_result -ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx) +static ieee80211_rx_result +ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) { - struct ieee80211_sub_if_data *sdata; + struct net_device *dev = rx->dev; + struct ieee80211_local *local = rx->local; + u16 fc, ethertype; + u8 *payload; + struct sk_buff *skb = rx->skb, *frame = NULL; + const struct ethhdr *eth; + int remaining, err; + u8 dst[ETH_ALEN]; + u8 src[ETH_ALEN]; + DECLARE_MAC_BUF(mac); - if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) - return TXRX_DROP; + fc = rx->fc; + if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)) + return RX_CONTINUE; - sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); - if ((sdata->type == IEEE80211_IF_TYPE_STA || - sdata->type == IEEE80211_IF_TYPE_IBSS) && - !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)) - ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status); - else - return TXRX_DROP; + if (unlikely(!WLAN_FC_DATA_PRESENT(fc))) + return RX_DROP_MONITOR; - return TXRX_QUEUED; + if (!(rx->flags & IEEE80211_TXRXD_RX_AMSDU)) + return RX_CONTINUE; + + err = ieee80211_data_to_8023(rx); + if (unlikely(err)) + return RX_DROP_UNUSABLE; + + skb->dev = dev; + + dev->stats.rx_packets++; + dev->stats.rx_bytes += skb->len; + + /* skip the wrapping header */ + eth = (struct ethhdr *) skb_pull(skb, sizeof(struct ethhdr)); + if (!eth) + return RX_DROP_UNUSABLE; + + while (skb != frame) { + u8 padding; + __be16 len = eth->h_proto; + unsigned int subframe_len = sizeof(struct ethhdr) + ntohs(len); + + remaining = skb->len; + memcpy(dst, eth->h_dest, ETH_ALEN); + memcpy(src, eth->h_source, ETH_ALEN); + + padding = ((4 - subframe_len) & 0x3); + /* the last MSDU has no padding */ + if (subframe_len > remaining) { + printk(KERN_DEBUG "%s: wrong buffer size", dev->name); + return RX_DROP_UNUSABLE; + } + + skb_pull(skb, sizeof(struct ethhdr)); + /* if last subframe reuse skb */ + if (remaining <= subframe_len + padding) + frame = skb; + else { + frame = dev_alloc_skb(local->hw.extra_tx_headroom + + subframe_len); + + if (frame == NULL) + return RX_DROP_UNUSABLE; + + skb_reserve(frame, local->hw.extra_tx_headroom + + sizeof(struct ethhdr)); + memcpy(skb_put(frame, ntohs(len)), skb->data, + ntohs(len)); + + eth = (struct ethhdr *) skb_pull(skb, ntohs(len) + + padding); + if (!eth) { + printk(KERN_DEBUG "%s: wrong buffer size ", + dev->name); + dev_kfree_skb(frame); + return RX_DROP_UNUSABLE; + } + } + + skb_reset_network_header(frame); + frame->dev = dev; + frame->priority = skb->priority; + rx->skb = frame; + + payload = frame->data; + ethertype = (payload[6] << 8) | payload[7]; + + if (likely((compare_ether_addr(payload, rfc1042_header) == 0 && + ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) || + compare_ether_addr(payload, + bridge_tunnel_header) == 0)) { + /* remove RFC1042 or Bridge-Tunnel + * encapsulation and replace EtherType */ + skb_pull(frame, 6); + memcpy(skb_push(frame, ETH_ALEN), src, ETH_ALEN); + memcpy(skb_push(frame, ETH_ALEN), dst, ETH_ALEN); + } else { + memcpy(skb_push(frame, sizeof(__be16)), + &len, sizeof(__be16)); + memcpy(skb_push(frame, ETH_ALEN), src, ETH_ALEN); + memcpy(skb_push(frame, ETH_ALEN), dst, ETH_ALEN); + } + + if (!ieee80211_frame_allowed(rx)) { + if (skb == frame) /* last frame */ + return RX_DROP_UNUSABLE; + dev_kfree_skb(frame); + continue; + } + + ieee80211_deliver_skb(rx); + } + + return RX_QUEUED; } -static inline ieee80211_txrx_result __ieee80211_invoke_rx_handlers( - struct ieee80211_local *local, - ieee80211_rx_handler *handlers, - struct ieee80211_txrx_data *rx, - struct sta_info *sta) +static ieee80211_rx_result +ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) { - ieee80211_rx_handler *handler; - ieee80211_txrx_result res = TXRX_DROP; + struct net_device *dev = rx->dev; + u16 fc; + int err; - for (handler = handlers; *handler != NULL; handler++) { - res = (*handler)(rx); + fc = rx->fc; + if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)) + return RX_CONTINUE; - switch (res) { - case TXRX_CONTINUE: - continue; - case TXRX_DROP: - I802_DEBUG_INC(local->rx_handlers_drop); - if (sta) - sta->rx_dropped++; - break; - case TXRX_QUEUED: - I802_DEBUG_INC(local->rx_handlers_queued); - break; + if (unlikely(!WLAN_FC_DATA_PRESENT(fc))) + return RX_DROP_MONITOR; + + err = ieee80211_data_to_8023(rx); + if (unlikely(err)) + return RX_DROP_UNUSABLE; + + if (!ieee80211_frame_allowed(rx)) + return RX_DROP_MONITOR; + + rx->skb->dev = dev; + + dev->stats.rx_packets++; + dev->stats.rx_bytes += rx->skb->len; + + ieee80211_deliver_skb(rx); + + return RX_QUEUED; +} + +static ieee80211_rx_result +ieee80211_rx_h_ctrl(struct ieee80211_txrx_data *rx) +{ + struct ieee80211_local *local = rx->local; + struct ieee80211_hw *hw = &local->hw; + struct sk_buff *skb = rx->skb; + struct ieee80211_bar *bar = (struct ieee80211_bar *) skb->data; + struct tid_ampdu_rx *tid_agg_rx; + u16 start_seq_num; + u16 tid; + + if (likely((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL)) + return RX_CONTINUE; + + if ((rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BACK_REQ) { + if (!rx->sta) + return RX_CONTINUE; + tid = le16_to_cpu(bar->control) >> 12; + tid_agg_rx = &(rx->sta->ampdu_mlme.tid_rx[tid]); + if (tid_agg_rx->state != HT_AGG_STATE_OPERATIONAL) + return RX_CONTINUE; + + start_seq_num = le16_to_cpu(bar->start_seq_num) >> 4; + + /* reset session timer */ + if (tid_agg_rx->timeout) { + unsigned long expires = + jiffies + (tid_agg_rx->timeout / 1000) * HZ; + mod_timer(&tid_agg_rx->session_timer, expires); } - break; + + /* manage reordering buffer according to requested */ + /* sequence number */ + rcu_read_lock(); + ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL, + start_seq_num, 1); + rcu_read_unlock(); + return RX_DROP_UNUSABLE; } - if (res == TXRX_DROP) - dev_kfree_skb(rx->skb); - return res; + return RX_CONTINUE; } -static inline void ieee80211_invoke_rx_handlers(struct ieee80211_local *local, - ieee80211_rx_handler *handlers, - struct ieee80211_txrx_data *rx, - struct sta_info *sta) +static ieee80211_rx_result +ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx) { - if (__ieee80211_invoke_rx_handlers(local, handlers, rx, sta) == - TXRX_CONTINUE) - dev_kfree_skb(rx->skb); + struct ieee80211_sub_if_data *sdata; + + if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) + return RX_DROP_MONITOR; + + sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); + if ((sdata->vif.type == IEEE80211_IF_TYPE_STA || + sdata->vif.type == IEEE80211_IF_TYPE_IBSS) && + !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)) + ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status); + else + return RX_DROP_MONITOR; + + return RX_QUEUED; } static void ieee80211_rx_michael_mic_report(struct net_device *dev, struct ieee80211_hdr *hdr, - struct sta_info *sta, struct ieee80211_txrx_data *rx) { int keyidx, hdrlen; + DECLARE_MAC_BUF(mac); + DECLARE_MAC_BUF(mac2); hdrlen = ieee80211_get_hdrlen_from_skb(rx->skb); if (rx->skb->len >= hdrlen + 4) @@ -1259,19 +1467,19 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, if (net_ratelimit()) printk(KERN_DEBUG "%s: TKIP hwaccel reported Michael MIC " - "failure from " MAC_FMT " to " MAC_FMT " keyidx=%d\n", - dev->name, MAC_ARG(hdr->addr2), MAC_ARG(hdr->addr1), - keyidx); + "failure from %s to %s keyidx=%d\n", + dev->name, print_mac(mac, hdr->addr2), + print_mac(mac2, hdr->addr1), keyidx); - if (!sta) { + if (!rx->sta) { /* * Some hardware seem to generate incorrect Michael MIC * reports; ignore them to avoid triggering countermeasures. */ if (net_ratelimit()) printk(KERN_DEBUG "%s: ignored spurious Michael MIC " - "error for unknown address " MAC_FMT "\n", - dev->name, MAC_ARG(hdr->addr2)); + "error for unknown address %s\n", + dev->name, print_mac(mac, hdr->addr2)); goto ignore; } @@ -1279,11 +1487,11 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, if (net_ratelimit()) printk(KERN_DEBUG "%s: ignored spurious Michael MIC " "error for a frame with no PROTECTED flag (src " - MAC_FMT ")\n", dev->name, MAC_ARG(hdr->addr2)); + "%s)\n", dev->name, print_mac(mac, hdr->addr2)); goto ignore; } - if (rx->sdata->type == IEEE80211_IF_TYPE_AP && keyidx) { + if (rx->sdata->vif.type == IEEE80211_IF_TYPE_AP && keyidx) { /* * APs with pairwise keys should never receive Michael MIC * errors for non-zero keyidx because these are reserved for @@ -1293,8 +1501,8 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, if (net_ratelimit()) printk(KERN_DEBUG "%s: ignored Michael MIC error for " "a frame with non-zero keyidx (%d)" - " (src " MAC_FMT ")\n", dev->name, keyidx, - MAC_ARG(hdr->addr2)); + " (src %s)\n", dev->name, keyidx, + print_mac(mac, hdr->addr2)); goto ignore; } @@ -1304,8 +1512,8 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, if (net_ratelimit()) printk(KERN_DEBUG "%s: ignored spurious Michael MIC " "error for a frame that cannot be encrypted " - "(fc=0x%04x) (src " MAC_FMT ")\n", - dev->name, rx->fc, MAC_ARG(hdr->addr2)); + "(fc=0x%04x) (src %s)\n", + dev->name, rx->fc, print_mac(mac, hdr->addr2)); goto ignore; } @@ -1315,7 +1523,88 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, rx->skb = NULL; } -ieee80211_rx_handler ieee80211_rx_handlers[] = +static void ieee80211_rx_cooked_monitor(struct ieee80211_txrx_data *rx) +{ + struct ieee80211_sub_if_data *sdata; + struct ieee80211_local *local = rx->local; + struct ieee80211_rtap_hdr { + struct ieee80211_radiotap_header hdr; + u8 flags; + u8 rate; + __le16 chan_freq; + __le16 chan_flags; + } __attribute__ ((packed)) *rthdr; + struct sk_buff *skb = rx->skb, *skb2; + struct net_device *prev_dev = NULL; + struct ieee80211_rx_status *status = rx->u.rx.status; + + if (rx->flags & IEEE80211_TXRXD_RX_CMNTR_REPORTED) + goto out_free_skb; + + if (skb_headroom(skb) < sizeof(*rthdr) && + pskb_expand_head(skb, sizeof(*rthdr), 0, GFP_ATOMIC)) + goto out_free_skb; + + rthdr = (void *)skb_push(skb, sizeof(*rthdr)); + memset(rthdr, 0, sizeof(*rthdr)); + rthdr->hdr.it_len = cpu_to_le16(sizeof(*rthdr)); + rthdr->hdr.it_present = + cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) | + (1 << IEEE80211_RADIOTAP_RATE) | + (1 << IEEE80211_RADIOTAP_CHANNEL)); + + rthdr->rate = rx->u.rx.rate->bitrate / 5; + rthdr->chan_freq = cpu_to_le16(status->freq); + + if (status->band == IEEE80211_BAND_5GHZ) + rthdr->chan_flags = cpu_to_le16(IEEE80211_CHAN_OFDM | + IEEE80211_CHAN_5GHZ); + else + rthdr->chan_flags = cpu_to_le16(IEEE80211_CHAN_DYN | + IEEE80211_CHAN_2GHZ); + + skb_set_mac_header(skb, 0); + skb->ip_summed = CHECKSUM_UNNECESSARY; + skb->pkt_type = PACKET_OTHERHOST; + skb->protocol = htons(ETH_P_802_2); + + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + if (!netif_running(sdata->dev)) + continue; + + if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR || + !(sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) + continue; + + if (prev_dev) { + skb2 = skb_clone(skb, GFP_ATOMIC); + if (skb2) { + skb2->dev = prev_dev; + netif_rx(skb2); + } + } + + prev_dev = sdata->dev; + sdata->dev->stats.rx_packets++; + sdata->dev->stats.rx_bytes += skb->len; + } + + if (prev_dev) { + skb->dev = prev_dev; + netif_rx(skb); + skb = NULL; + } else + goto out_free_skb; + + rx->flags |= IEEE80211_TXRXD_RX_CMNTR_REPORTED; + return; + + out_free_skb: + dev_kfree_skb(skb); +} + +typedef ieee80211_rx_result (*ieee80211_rx_handler)(struct ieee80211_txrx_data *); +static ieee80211_rx_handler ieee80211_rx_handlers[] = { ieee80211_rx_h_if_stats, ieee80211_rx_h_passive_scan, @@ -1330,13 +1619,54 @@ ieee80211_rx_handler ieee80211_rx_handlers[] = * are not passed to user space by these functions */ ieee80211_rx_h_remove_qos_control, - ieee80211_rx_h_802_1x_pae, - ieee80211_rx_h_drop_unencrypted, + ieee80211_rx_h_amsdu, ieee80211_rx_h_data, + ieee80211_rx_h_ctrl, ieee80211_rx_h_mgmt, NULL }; +static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata, + struct ieee80211_txrx_data *rx, + struct sk_buff *skb) +{ + ieee80211_rx_handler *handler; + ieee80211_rx_result res = RX_DROP_MONITOR; + + rx->skb = skb; + rx->sdata = sdata; + rx->dev = sdata->dev; + + for (handler = ieee80211_rx_handlers; *handler != NULL; handler++) { + res = (*handler)(rx); + + switch (res) { + case RX_CONTINUE: + continue; + case RX_DROP_UNUSABLE: + case RX_DROP_MONITOR: + I802_DEBUG_INC(sdata->local->rx_handlers_drop); + if (rx->sta) + rx->sta->rx_dropped++; + break; + case RX_QUEUED: + I802_DEBUG_INC(sdata->local->rx_handlers_queued); + break; + } + break; + } + + switch (res) { + case RX_CONTINUE: + case RX_DROP_MONITOR: + ieee80211_rx_cooked_monitor(rx); + break; + case RX_DROP_UNUSABLE: + dev_kfree_skb(rx->skb); + break; + } +} + /* main receive path */ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata, @@ -1345,7 +1675,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata, { int multicast = is_multicast_ether_addr(hdr->addr1); - switch (sdata->type) { + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_STA: if (!bssid) return 0; @@ -1416,99 +1746,70 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata, } /* - * This is the receive path handler. It is called by a low level driver when an - * 802.11 MPDU is received from the hardware. + * This is the actual Rx frames handler. as it blongs to Rx path it must + * be called with rcu_read_lock protection. */ -void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_rx_status *status) +static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, + struct sk_buff *skb, + struct ieee80211_rx_status *status, + u32 load, + struct ieee80211_rate *rate) { struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_sub_if_data *sdata; - struct sta_info *sta; struct ieee80211_hdr *hdr; struct ieee80211_txrx_data rx; u16 type; - int prepres; + int prepares; struct ieee80211_sub_if_data *prev = NULL; struct sk_buff *skb_new; u8 *bssid; - /* - * key references and virtual interfaces are protected using RCU - * and this requires that we are in a read-side RCU section during - * receive processing - */ - rcu_read_lock(); - - /* - * Frames with failed FCS/PLCP checksum are not returned, - * all other frames are returned without radiotap header - * if it was previously present. - * Also, frames with less than 16 bytes are dropped. - */ - skb = ieee80211_rx_monitor(local, skb, status); - if (!skb) { - rcu_read_unlock(); - return; - } - hdr = (struct ieee80211_hdr *) skb->data; memset(&rx, 0, sizeof(rx)); rx.skb = skb; rx.local = local; rx.u.rx.status = status; + rx.u.rx.load = load; + rx.u.rx.rate = rate; rx.fc = le16_to_cpu(hdr->frame_control); type = rx.fc & IEEE80211_FCTL_FTYPE; if (type == IEEE80211_FTYPE_DATA || type == IEEE80211_FTYPE_MGMT) local->dot11ReceivedFragmentCount++; - sta = rx.sta = sta_info_get(local, hdr->addr2); - if (sta) { + rx.sta = sta_info_get(local, hdr->addr2); + if (rx.sta) { rx.dev = rx.sta->dev; rx.sdata = IEEE80211_DEV_TO_SUB_IF(rx.dev); } if ((status->flag & RX_FLAG_MMIC_ERROR)) { - ieee80211_rx_michael_mic_report(local->mdev, hdr, sta, &rx); + ieee80211_rx_michael_mic_report(local->mdev, hdr, &rx); goto end; } - if (unlikely(local->sta_scanning)) + if (unlikely(local->sta_sw_scanning || local->sta_hw_scanning)) rx.flags |= IEEE80211_TXRXD_RXIN_SCAN; - if (__ieee80211_invoke_rx_handlers(local, local->rx_pre_handlers, &rx, - sta) != TXRX_CONTINUE) - goto end; - skb = rx.skb; - - if (sta && !(sta->flags & (WLAN_STA_WDS | WLAN_STA_ASSOC_AP)) && - !atomic_read(&local->iff_promiscs) && - !is_multicast_ether_addr(hdr->addr1)) { - rx.flags |= IEEE80211_TXRXD_RXRA_MATCH; - ieee80211_invoke_rx_handlers(local, local->rx_handlers, &rx, - rx.sta); - sta_info_put(sta); - rcu_read_unlock(); - return; - } + ieee80211_parse_qos(&rx); + ieee80211_verify_ip_alignment(&rx); - bssid = ieee80211_get_bssid(hdr, skb->len); + skb = rx.skb; list_for_each_entry_rcu(sdata, &local->interfaces, list) { if (!netif_running(sdata->dev)) continue; - if (sdata->type == IEEE80211_IF_TYPE_MNTR) + if (sdata->vif.type == IEEE80211_IF_TYPE_MNTR) continue; + bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type); rx.flags |= IEEE80211_TXRXD_RXRA_MATCH; - prepres = prepare_for_handlers(sdata, bssid, &rx, hdr); - /* prepare_for_handlers can change sta */ - sta = rx.sta; + prepares = prepare_for_handlers(sdata, bssid, &rx, hdr); - if (!prepres) + if (!prepares) continue; /* @@ -1536,27 +1837,266 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb, prev->dev->name); continue; } - rx.skb = skb_new; - rx.dev = prev->dev; - rx.sdata = prev; - ieee80211_invoke_rx_handlers(local, local->rx_handlers, - &rx, sta); + rx.fc = le16_to_cpu(hdr->frame_control); + ieee80211_invoke_rx_handlers(prev, &rx, skb_new); prev = sdata; } if (prev) { - rx.skb = skb; - rx.dev = prev->dev; - rx.sdata = prev; - ieee80211_invoke_rx_handlers(local, local->rx_handlers, - &rx, sta); + rx.fc = le16_to_cpu(hdr->frame_control); + ieee80211_invoke_rx_handlers(prev, &rx, skb); } else dev_kfree_skb(skb); end: - rcu_read_unlock(); + if (rx.sta) + sta_info_put(rx.sta); +} +#define SEQ_MODULO 0x1000 +#define SEQ_MASK 0xfff + +static inline int seq_less(u16 sq1, u16 sq2) +{ + return (((sq1 - sq2) & SEQ_MASK) > (SEQ_MODULO >> 1)); +} + +static inline u16 seq_inc(u16 sq) +{ + return ((sq + 1) & SEQ_MASK); +} + +static inline u16 seq_sub(u16 sq1, u16 sq2) +{ + return ((sq1 - sq2) & SEQ_MASK); +} + + +/* + * As it function blongs to Rx path it must be called with + * the proper rcu_read_lock protection for its flow. + */ +u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, + struct tid_ampdu_rx *tid_agg_rx, + struct sk_buff *skb, u16 mpdu_seq_num, + int bar_req) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct ieee80211_rx_status status; + u16 head_seq_num, buf_size; + int index; + u32 pkt_load; + struct ieee80211_supported_band *sband; + struct ieee80211_rate *rate; + + buf_size = tid_agg_rx->buf_size; + head_seq_num = tid_agg_rx->head_seq_num; + + /* frame with out of date sequence number */ + if (seq_less(mpdu_seq_num, head_seq_num)) { + dev_kfree_skb(skb); + return 1; + } + + /* if frame sequence number exceeds our buffering window size or + * block Ack Request arrived - release stored frames */ + if ((!seq_less(mpdu_seq_num, head_seq_num + buf_size)) || (bar_req)) { + /* new head to the ordering buffer */ + if (bar_req) + head_seq_num = mpdu_seq_num; + else + head_seq_num = + seq_inc(seq_sub(mpdu_seq_num, buf_size)); + /* release stored frames up to new head to stack */ + while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) { + index = seq_sub(tid_agg_rx->head_seq_num, + tid_agg_rx->ssn) + % tid_agg_rx->buf_size; + + if (tid_agg_rx->reorder_buf[index]) { + /* release the reordered frames to stack */ + memcpy(&status, + tid_agg_rx->reorder_buf[index]->cb, + sizeof(status)); + sband = local->hw.wiphy->bands[status.band]; + rate = &sband->bitrates[status.rate_idx]; + pkt_load = ieee80211_rx_load_stats(local, + tid_agg_rx->reorder_buf[index], + &status, rate); + __ieee80211_rx_handle_packet(hw, + tid_agg_rx->reorder_buf[index], + &status, pkt_load, rate); + tid_agg_rx->stored_mpdu_num--; + tid_agg_rx->reorder_buf[index] = NULL; + } + tid_agg_rx->head_seq_num = + seq_inc(tid_agg_rx->head_seq_num); + } + if (bar_req) + return 1; + } + + /* now the new frame is always in the range of the reordering */ + /* buffer window */ + index = seq_sub(mpdu_seq_num, tid_agg_rx->ssn) + % tid_agg_rx->buf_size; + /* check if we already stored this frame */ + if (tid_agg_rx->reorder_buf[index]) { + dev_kfree_skb(skb); + return 1; + } + + /* if arrived mpdu is in the right order and nothing else stored */ + /* release it immediately */ + if (mpdu_seq_num == tid_agg_rx->head_seq_num && + tid_agg_rx->stored_mpdu_num == 0) { + tid_agg_rx->head_seq_num = + seq_inc(tid_agg_rx->head_seq_num); + return 0; + } + + /* put the frame in the reordering buffer */ + tid_agg_rx->reorder_buf[index] = skb; + tid_agg_rx->stored_mpdu_num++; + /* release the buffer until next missing frame */ + index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) + % tid_agg_rx->buf_size; + while (tid_agg_rx->reorder_buf[index]) { + /* release the reordered frame back to stack */ + memcpy(&status, tid_agg_rx->reorder_buf[index]->cb, + sizeof(status)); + sband = local->hw.wiphy->bands[status.band]; + rate = &sband->bitrates[status.rate_idx]; + pkt_load = ieee80211_rx_load_stats(local, + tid_agg_rx->reorder_buf[index], + &status, rate); + __ieee80211_rx_handle_packet(hw, tid_agg_rx->reorder_buf[index], + &status, pkt_load, rate); + tid_agg_rx->stored_mpdu_num--; + tid_agg_rx->reorder_buf[index] = NULL; + tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num); + index = seq_sub(tid_agg_rx->head_seq_num, + tid_agg_rx->ssn) % tid_agg_rx->buf_size; + } + return 1; +} + +static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local, + struct sk_buff *skb) +{ + struct ieee80211_hw *hw = &local->hw; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct sta_info *sta; + struct tid_ampdu_rx *tid_agg_rx; + u16 fc, sc; + u16 mpdu_seq_num; + u8 ret = 0, *qc; + int tid; + + sta = sta_info_get(local, hdr->addr2); + if (!sta) + return ret; + + fc = le16_to_cpu(hdr->frame_control); + + /* filter the QoS data rx stream according to + * STA/TID and check if this STA/TID is on aggregation */ + if (!WLAN_FC_IS_QOS_DATA(fc)) + goto end_reorder; + + qc = skb->data + ieee80211_get_hdrlen(fc) - QOS_CONTROL_LEN; + tid = qc[0] & QOS_CONTROL_TID_MASK; + tid_agg_rx = &(sta->ampdu_mlme.tid_rx[tid]); + + if (tid_agg_rx->state != HT_AGG_STATE_OPERATIONAL) + goto end_reorder; + + /* null data frames are excluded */ + if (unlikely(fc & IEEE80211_STYPE_NULLFUNC)) + goto end_reorder; + + /* new un-ordered ampdu frame - process it */ + + /* reset session timer */ + if (tid_agg_rx->timeout) { + unsigned long expires = + jiffies + (tid_agg_rx->timeout / 1000) * HZ; + mod_timer(&tid_agg_rx->session_timer, expires); + } + + /* if this mpdu is fragmented - terminate rx aggregation session */ + sc = le16_to_cpu(hdr->seq_ctrl); + if (sc & IEEE80211_SCTL_FRAG) { + ieee80211_sta_stop_rx_ba_session(sta->dev, sta->addr, + tid, 0, WLAN_REASON_QSTA_REQUIRE_SETUP); + ret = 1; + goto end_reorder; + } + + /* according to mpdu sequence number deal with reordering buffer */ + mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4; + ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, + mpdu_seq_num, 0); +end_reorder: if (sta) sta_info_put(sta); + return ret; +} + +/* + * This is the receive path handler. It is called by a low level driver when an + * 802.11 MPDU is received from the hardware. + */ +void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb, + struct ieee80211_rx_status *status) +{ + struct ieee80211_local *local = hw_to_local(hw); + u32 pkt_load; + struct ieee80211_rate *rate = NULL; + struct ieee80211_supported_band *sband; + + if (status->band < 0 || + status->band > IEEE80211_NUM_BANDS) { + WARN_ON(1); + return; + } + + sband = local->hw.wiphy->bands[status->band]; + + if (!sband || + status->rate_idx < 0 || + status->rate_idx >= sband->n_bitrates) { + WARN_ON(1); + return; + } + + rate = &sband->bitrates[status->rate_idx]; + + /* + * key references and virtual interfaces are protected using RCU + * and this requires that we are in a read-side RCU section during + * receive processing + */ + rcu_read_lock(); + + /* + * Frames with failed FCS/PLCP checksum are not returned, + * all other frames are returned without radiotap header + * if it was previously present. + * Also, frames with less than 16 bytes are dropped. + */ + skb = ieee80211_rx_monitor(local, skb, status, rate); + if (!skb) { + rcu_read_unlock(); + return; + } + + pkt_load = ieee80211_rx_load_stats(local, skb, status, rate); + local->channel_use_raw += pkt_load; + + if (!ieee80211_rx_reorder_ampdu(local, skb)) + __ieee80211_rx_handle_packet(hw, skb, status, pkt_load, rate); + + rcu_read_unlock(); } EXPORT_SYMBOL(__ieee80211_rx); diff --git a/package/mac80211/src/net/mac80211/sta_info.c b/package/mac80211/src/net/mac80211/sta_info.c index 4ed1b60..6b53783 100644 --- a/package/mac80211/src/net/mac80211/sta_info.c +++ b/package/mac80211/src/net/mac80211/sta_info.c @@ -14,6 +14,7 @@ #include <linux/slab.h> #include <linux/skbuff.h> #include <linux/if_arp.h> +#include <linux/timer.h> #include <net/mac80211.h> #include "ieee80211_i.h" @@ -73,36 +74,13 @@ struct sta_info *sta_info_get(struct ieee80211_local *local, u8 *addr) } EXPORT_SYMBOL(sta_info_get); -int sta_info_min_txrate_get(struct ieee80211_local *local) -{ - struct sta_info *sta; - struct ieee80211_hw_mode *mode; - int min_txrate = 9999999; - int i; - - read_lock_bh(&local->sta_lock); - mode = local->oper_hw_mode; - for (i = 0; i < STA_HASH_SIZE; i++) { - sta = local->sta_hash[i]; - while (sta) { - if (sta->txrate < min_txrate) - min_txrate = sta->txrate; - sta = sta->hnext; - } - } - read_unlock_bh(&local->sta_lock); - if (min_txrate == 9999999) - min_txrate = 0; - - return mode->rates[min_txrate].rate; -} - static void sta_info_release(struct kref *kref) { struct sta_info *sta = container_of(kref, struct sta_info, kref); struct ieee80211_local *local = sta->local; struct sk_buff *skb; + int i; /* free sta structure; it has already been removed from * hash table etc. external structures. Make sure that all @@ -115,6 +93,10 @@ static void sta_info_release(struct kref *kref) while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) { dev_kfree_skb_any(skb); } + for (i = 0; i < STA_TID_NUM; i++) { + del_timer_sync(&sta->ampdu_mlme.tid_rx[i].session_timer); + del_timer_sync(&sta->ampdu_mlme.tid_tx[i].addba_resp_timer); + } rate_control_free_sta(sta->rate_ctrl, sta->rate_ctrl_priv); rate_control_put(sta->rate_ctrl); kfree(sta); @@ -132,6 +114,8 @@ struct sta_info * sta_info_add(struct ieee80211_local *local, struct net_device *dev, u8 *addr, gfp_t gfp) { struct sta_info *sta; + int i; + DECLARE_MAC_BUF(mac); sta = kzalloc(sizeof(*sta), gfp); if (!sta) @@ -150,6 +134,28 @@ struct sta_info * sta_info_add(struct ieee80211_local *local, memcpy(sta->addr, addr, ETH_ALEN); sta->local = local; sta->dev = dev; + spin_lock_init(&sta->ampdu_mlme.ampdu_rx); + spin_lock_init(&sta->ampdu_mlme.ampdu_tx); + for (i = 0; i < STA_TID_NUM; i++) { + /* timer_to_tid must be initialized with identity mapping to + * enable session_timer's data differentiation. refer to + * sta_rx_agg_session_timer_expired for useage */ + sta->timer_to_tid[i] = i; + /* tid to tx queue: initialize according to HW (0 is valid) */ + sta->tid_to_tx_q[i] = local->hw.queues; + /* rx timers */ + sta->ampdu_mlme.tid_rx[i].session_timer.function = + sta_rx_agg_session_timer_expired; + sta->ampdu_mlme.tid_rx[i].session_timer.data = + (unsigned long)&sta->timer_to_tid[i]; + init_timer(&sta->ampdu_mlme.tid_rx[i].session_timer); + /* tx timers */ + sta->ampdu_mlme.tid_tx[i].addba_resp_timer.function = + sta_addba_resp_timer_expired; + sta->ampdu_mlme.tid_tx[i].addba_resp_timer.data = + (unsigned long)&sta->timer_to_tid[i]; + init_timer(&sta->ampdu_mlme.tid_tx[i].addba_resp_timer); + } skb_queue_head_init(&sta->ps_tx_buf); skb_queue_head_init(&sta->tx_filtered); __sta_info_get(sta); /* sta used by caller, decremented by @@ -158,14 +164,21 @@ struct sta_info * sta_info_add(struct ieee80211_local *local, list_add(&sta->list, &local->sta_list); local->num_sta++; sta_info_hash_add(local, sta); - if (local->ops->sta_notify) - local->ops->sta_notify(local_to_hw(local), dev->ifindex, - STA_NOTIFY_ADD, addr); + if (local->ops->sta_notify) { + struct ieee80211_sub_if_data *sdata; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN) + sdata = sdata->u.vlan.ap; + + local->ops->sta_notify(local_to_hw(local), &sdata->vif, + STA_NOTIFY_ADD, addr); + } write_unlock_bh(&local->sta_lock); #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Added STA " MAC_FMT "\n", - wiphy_name(local->hw.wiphy), MAC_ARG(addr)); + printk(KERN_DEBUG "%s: Added STA %s\n", + wiphy_name(local->hw.wiphy), print_mac(mac, addr)); #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ #ifdef CONFIG_MAC80211_DEBUGFS @@ -204,6 +217,7 @@ void sta_info_free(struct sta_info *sta) { struct sk_buff *skb; struct ieee80211_local *local = sta->local; + DECLARE_MAC_BUF(mac); might_sleep(); @@ -220,16 +234,24 @@ void sta_info_free(struct sta_info *sta) } #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Removed STA " MAC_FMT "\n", - wiphy_name(local->hw.wiphy), MAC_ARG(sta->addr)); + printk(KERN_DEBUG "%s: Removed STA %s\n", + wiphy_name(local->hw.wiphy), print_mac(mac, sta->addr)); #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ ieee80211_key_free(sta->key); sta->key = NULL; - if (local->ops->sta_notify) - local->ops->sta_notify(local_to_hw(local), sta->dev->ifindex, - STA_NOTIFY_REMOVE, sta->addr); + if (local->ops->sta_notify) { + struct ieee80211_sub_if_data *sdata; + + sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + + if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN) + sdata = sdata->u.vlan.ap; + + local->ops->sta_notify(local_to_hw(local), &sdata->vif, + STA_NOTIFY_REMOVE, sta->addr); + } rate_control_remove_sta_debugfs(sta); ieee80211_sta_debugfs_remove(sta); @@ -264,6 +286,7 @@ static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local, { unsigned long flags; struct sk_buff *skb; + DECLARE_MAC_BUF(mac); if (skb_queue_empty(&sta->ps_tx_buf)) return; @@ -282,7 +305,7 @@ static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local, if (skb) { local->total_ps_buffered--; printk(KERN_DEBUG "Buffered frame expired (STA " - MAC_FMT ")\n", MAC_ARG(sta->addr)); + "%s)\n", print_mac(mac, sta->addr)); dev_kfree_skb(skb); } else break; @@ -303,7 +326,8 @@ static void sta_info_cleanup(unsigned long data) } read_unlock_bh(&local->sta_lock); - local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL; + local->sta_cleanup.expires = + round_jiffies(jiffies + STA_INFO_CLEANUP_INTERVAL); add_timer(&local->sta_cleanup); } @@ -342,7 +366,8 @@ void sta_info_init(struct ieee80211_local *local) INIT_LIST_HEAD(&local->sta_list); init_timer(&local->sta_cleanup); - local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL; + local->sta_cleanup.expires = + round_jiffies(jiffies + STA_INFO_CLEANUP_INTERVAL); local->sta_cleanup.data = (unsigned long) local; local->sta_cleanup.function = sta_info_cleanup; diff --git a/package/mac80211/src/net/mac80211/sta_info.h b/package/mac80211/src/net/mac80211/sta_info.h index 8f7ebe4..19f3fb4 100644 --- a/package/mac80211/src/net/mac80211/sta_info.h +++ b/package/mac80211/src/net/mac80211/sta_info.h @@ -15,22 +15,110 @@ #include <linux/kref.h> #include "ieee80211_key.h" -/* Stations flags (struct sta_info::flags) */ -#define WLAN_STA_AUTH BIT(0) -#define WLAN_STA_ASSOC BIT(1) -#define WLAN_STA_PS BIT(2) -#define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */ -#define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */ -#define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is - * controlling whether STA is authorized to - * send and receive non-IEEE 802.1X frames - */ -#define WLAN_STA_SHORT_PREAMBLE BIT(7) -/* whether this is an AP that we are associated with as a client */ -#define WLAN_STA_ASSOC_AP BIT(8) -#define WLAN_STA_WME BIT(9) -#define WLAN_STA_WDS BIT(27) +/** + * enum ieee80211_sta_info_flags - Stations flags + * + * These flags are used with &struct sta_info's @flags member. + * + * @WLAN_STA_AUTH: Station is authenticated. + * @WLAN_STA_ASSOC: Station is associated. + * @WLAN_STA_PS: Station is in power-save mode + * @WLAN_STA_TIM: TIM bit is on for this PS station (traffic buffered) + * @WLAN_STA_AUTHORIZED: Station is authorized to send/receive traffic. + * This bit is always checked so needs to be enabled for all stations + * when virtual port control is not in use. + * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble + * frames. + * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP. + * @WLAN_STA_WME: Station is a QoS-STA. + * @WLAN_STA_WDS: Station is one of our WDS peers. + */ +enum ieee80211_sta_info_flags { + WLAN_STA_AUTH = 1<<0, + WLAN_STA_ASSOC = 1<<1, + WLAN_STA_PS = 1<<2, + WLAN_STA_TIM = 1<<3, + WLAN_STA_AUTHORIZED = 1<<4, + WLAN_STA_SHORT_PREAMBLE = 1<<5, + WLAN_STA_ASSOC_AP = 1<<6, + WLAN_STA_WME = 1<<7, + WLAN_STA_WDS = 1<<8, +}; + +#define STA_TID_NUM 16 +#define ADDBA_RESP_INTERVAL HZ +#define HT_AGG_MAX_RETRIES (0x3) +#define HT_AGG_STATE_INITIATOR_SHIFT (4) + +#define HT_ADDBA_REQUESTED_MSK BIT(0) +#define HT_ADDBA_DRV_READY_MSK BIT(1) +#define HT_ADDBA_RECEIVED_MSK BIT(2) +#define HT_AGG_STATE_REQ_STOP_BA_MSK BIT(3) +#define HT_AGG_STATE_INITIATOR_MSK BIT(HT_AGG_STATE_INITIATOR_SHIFT) +#define HT_AGG_STATE_IDLE (0x0) +#define HT_AGG_STATE_OPERATIONAL (HT_ADDBA_REQUESTED_MSK | \ + HT_ADDBA_DRV_READY_MSK | \ + HT_ADDBA_RECEIVED_MSK) + +/** + * struct tid_ampdu_tx - TID aggregation information (Tx). + * + * @state: TID's state in session state machine. + * @dialog_token: dialog token for aggregation session + * @ssn: Starting Sequence Number expected to be aggregated. + * @addba_resp_timer: timer for peer's response to addba request + * @addba_req_num: number of times addBA request has been sent. + */ +struct tid_ampdu_tx { + u8 state; + u8 dialog_token; + u16 ssn; + struct timer_list addba_resp_timer; + u8 addba_req_num; +}; + +/** + * struct tid_ampdu_rx - TID aggregation information (Rx). + * + * @state: TID's state in session state machine. + * @dialog_token: dialog token for aggregation session + * @ssn: Starting Sequence Number expected to be aggregated. + * @buf_size: buffer size for incoming A-MPDUs + * @timeout: reset timer value. + * @head_seq_num: head sequence number in reordering buffer. + * @stored_mpdu_num: number of MPDUs in reordering buffer + * @reorder_buf: buffer to reorder incoming aggregated MPDUs + * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value) + */ +struct tid_ampdu_rx { + u8 state; + u8 dialog_token; + u16 ssn; + u16 buf_size; + u16 timeout; + u16 head_seq_num; + u16 stored_mpdu_num; + struct sk_buff **reorder_buf; + struct timer_list session_timer; +}; + +/** + * struct sta_ampdu_mlme - STA aggregation information. + * + * @tid_rx: aggregation info for Rx per TID + * @tid_tx: aggregation info for Tx per TID + * @ampdu_rx: for locking sections in aggregation Rx flow + * @ampdu_tx: for locking sectionsi in aggregation Tx flow + * @dialog_token_allocator: dialog token enumerator for each new session; + */ +struct sta_ampdu_mlme { + struct tid_ampdu_rx tid_rx[STA_TID_NUM]; + struct tid_ampdu_tx tid_tx[STA_TID_NUM]; + spinlock_t ampdu_rx; + spinlock_t ampdu_tx; + u8 dialog_token_allocator; +}; struct sta_info { struct kref kref; @@ -59,10 +147,11 @@ struct sta_info { unsigned int wep_weak_iv_count; /* number of RX frames with weak IV */ unsigned long last_rx; - u32 supp_rates; /* bitmap of supported rates in local->curr_rates */ - int txrate; /* index in local->curr_rates */ - int last_txrate; /* last rate used to send a frame to this STA */ - int last_nonerp_idx; + /* bitmap of supported rates per band */ + u64 supp_rates[IEEE80211_NUM_BANDS]; + int txrate_idx; + /* last rates used to send a frame to this STA */ + int last_txrate_idx, last_nonerp_txrate_idx; struct net_device *dev; /* which net device is this station associated * to */ @@ -99,6 +188,12 @@ struct sta_info { u16 listen_interval; + struct ieee80211_ht_info ht_info; /* 802.11n HT capabilities + of this STA */ + struct sta_ampdu_mlme ampdu_mlme; + u8 timer_to_tid[STA_TID_NUM]; /* convert timer id to tid */ + u8 tid_to_tx_q[STA_TID_NUM]; /* map tid to tx queue */ + #ifdef CONFIG_MAC80211_DEBUGFS struct sta_info_debugfsdentries { struct dentry *dir; @@ -112,6 +207,7 @@ struct sta_info { struct dentry *wme_rx_queue; struct dentry *wme_tx_queue; #endif + struct dentry *agg_status; } debugfs; #endif }; @@ -141,7 +237,6 @@ static inline void __sta_info_get(struct sta_info *sta) } struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr); -int sta_info_min_txrate_get(struct ieee80211_local *local); void sta_info_put(struct sta_info *sta); struct sta_info * sta_info_add(struct ieee80211_local *local, struct net_device *dev, u8 *addr, gfp_t gfp); diff --git a/package/mac80211/src/net/mac80211/tkip.c b/package/mac80211/src/net/mac80211/tkip.c index 876cbe3..3abe194 100644 --- a/package/mac80211/src/net/mac80211/tkip.c +++ b/package/mac80211/src/net/mac80211/tkip.c @@ -276,9 +276,10 @@ int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm, (iv32 == key->u.tkip.iv32_rx[queue] && iv16 <= key->u.tkip.iv16_rx[queue]))) { #ifdef CONFIG_TKIP_DEBUG + DECLARE_MAC_BUF(mac); printk(KERN_DEBUG "TKIP replay detected for RX frame from " - MAC_FMT " (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n", - MAC_ARG(ta), + "%s (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n", + print_mac(mac, ta), iv32, iv16, key->u.tkip.iv32_rx[queue], key->u.tkip.iv16_rx[queue]); #endif /* CONFIG_TKIP_DEBUG */ @@ -300,8 +301,9 @@ int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm, #ifdef CONFIG_TKIP_DEBUG { int i; - printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=" MAC_FMT - " TK=", MAC_ARG(ta)); + DECLARE_MAC_BUF(mac); + printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=%s" + " TK=", print_mac(mac, ta)); for (i = 0; i < 16; i++) printk("%02x ", key->conf.key[ diff --git a/package/mac80211/src/net/mac80211/tx.c b/package/mac80211/src/net/mac80211/tx.c index 957ec3c..181d970 100644 --- a/package/mac80211/src/net/mac80211/tx.c +++ b/package/mac80211/src/net/mac80211/tx.c @@ -18,6 +18,7 @@ #include <linux/etherdevice.h> #include <linux/bitmap.h> #include <linux/rcupdate.h> +#include <net/net_namespace.h> #include <net/ieee80211_radiotap.h> #include <net/cfg80211.h> #include <net/mac80211.h> @@ -53,6 +54,7 @@ static void ieee80211_dump_frame(const char *ifname, const char *title, const struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; u16 fc; int hdrlen; + DECLARE_MAC_BUF(mac); printk(KERN_DEBUG "%s: %s (len=%d)", ifname, title, skb->len); if (skb->len < 4) { @@ -68,13 +70,13 @@ static void ieee80211_dump_frame(const char *ifname, const char *title, printk(" FC=0x%04x DUR=0x%04x", fc, le16_to_cpu(hdr->duration_id)); if (hdrlen >= 10) - printk(" A1=" MAC_FMT, MAC_ARG(hdr->addr1)); + printk(" A1=%s", print_mac(mac, hdr->addr1)); if (hdrlen >= 16) - printk(" A2=" MAC_FMT, MAC_ARG(hdr->addr2)); + printk(" A2=%s", print_mac(mac, hdr->addr2)); if (hdrlen >= 24) - printk(" A3=" MAC_FMT, MAC_ARG(hdr->addr3)); + printk(" A3=%s", print_mac(mac, hdr->addr3)); if (hdrlen >= 30) - printk(" A4=" MAC_FMT, MAC_ARG(hdr->addr4)); + printk(" A4=%s", print_mac(mac, hdr->addr4)); printk("\n"); } #else /* CONFIG_MAC80211_LOWTX_FRAME_DUMP */ @@ -90,9 +92,13 @@ static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr, int rate, mrate, erp, dur, i; struct ieee80211_rate *txrate = tx->u.tx.rate; struct ieee80211_local *local = tx->local; - struct ieee80211_hw_mode *mode = tx->u.tx.mode; + struct ieee80211_supported_band *sband; - erp = txrate->flags & IEEE80211_RATE_ERP; + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + + erp = 0; + if (tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) + erp = txrate->flags & IEEE80211_RATE_ERP_G; /* * data and mgmt (except PS Poll): @@ -148,20 +154,36 @@ static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr, * Mandatory rates for IEEE 802.11g PHY: 1, 2, 5.5, 11, 6, 12, 24 Mbps */ rate = -1; - mrate = 10; /* use 1 Mbps if everything fails */ - for (i = 0; i < mode->num_rates; i++) { - struct ieee80211_rate *r = &mode->rates[i]; - if (r->rate > txrate->rate) - break; + /* use lowest available if everything fails */ + mrate = sband->bitrates[0].bitrate; + for (i = 0; i < sband->n_bitrates; i++) { + struct ieee80211_rate *r = &sband->bitrates[i]; - if (IEEE80211_RATE_MODULATION(txrate->flags) != - IEEE80211_RATE_MODULATION(r->flags)) - continue; + if (r->bitrate > txrate->bitrate) + break; - if (r->flags & IEEE80211_RATE_BASIC) - rate = r->rate; - else if (r->flags & IEEE80211_RATE_MANDATORY) - mrate = r->rate; + if (tx->sdata->basic_rates & BIT(i)) + rate = r->bitrate; + + switch (sband->band) { + case IEEE80211_BAND_2GHZ: { + u32 flag; + if (tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) + flag = IEEE80211_RATE_MANDATORY_G; + else + flag = IEEE80211_RATE_MANDATORY_B; + if (r->flags & flag) + mrate = r->bitrate; + break; + } + case IEEE80211_BAND_5GHZ: + if (r->flags & IEEE80211_RATE_MANDATORY_A) + mrate = r->bitrate; + break; + case IEEE80211_NUM_BANDS: + WARN_ON(1); + break; + } } if (rate == -1) { /* No matching basic rate found; use highest suitable mandatory @@ -174,7 +196,7 @@ static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr, * to closest integer */ dur = ieee80211_frame_duration(local, 10, rate, erp, - tx->sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE); + tx->sdata->bss_conf.use_short_preamble); if (next_frag_len) { /* Frame is fragmented: duration increases with time needed to @@ -182,9 +204,8 @@ static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr, dur *= 2; /* ACK + SIFS */ /* next fragment */ dur += ieee80211_frame_duration(local, next_frag_len, - txrate->rate, erp, - tx->sdata->flags & - IEEE80211_SDATA_SHORT_PREAMBLE); + txrate->bitrate, erp, + tx->sdata->bss_conf.use_short_preamble); } return dur; @@ -211,7 +232,7 @@ static int inline is_ieee80211_device(struct net_device *dev, /* tx handlers */ -static ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG @@ -221,58 +242,48 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) u32 sta_flags; if (unlikely(tx->flags & IEEE80211_TXRXD_TX_INJECTED)) - return TXRX_CONTINUE; + return TX_CONTINUE; - if (unlikely(tx->local->sta_scanning != 0) && + if (unlikely(tx->local->sta_sw_scanning) && ((tx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT || (tx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PROBE_REQ)) - return TXRX_DROP; + return TX_DROP; if (tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED) - return TXRX_CONTINUE; + return TX_CONTINUE; sta_flags = tx->sta ? tx->sta->flags : 0; if (likely(tx->flags & IEEE80211_TXRXD_TXUNICAST)) { if (unlikely(!(sta_flags & WLAN_STA_ASSOC) && - tx->sdata->type != IEEE80211_IF_TYPE_IBSS && + tx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS && (tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG + DECLARE_MAC_BUF(mac); printk(KERN_DEBUG "%s: dropped data frame to not " - "associated station " MAC_FMT "\n", - tx->dev->name, MAC_ARG(hdr->addr1)); + "associated station %s\n", + tx->dev->name, print_mac(mac, hdr->addr1)); #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc); - return TXRX_DROP; + return TX_DROP; } } else { if (unlikely((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA && tx->local->num_sta == 0 && - tx->sdata->type != IEEE80211_IF_TYPE_IBSS)) { + tx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS)) { /* * No associated STAs - no need to send multicast * frames. */ - return TXRX_DROP; + return TX_DROP; } - return TXRX_CONTINUE; + return TX_CONTINUE; } - if (unlikely(/* !injected && */ tx->sdata->ieee802_1x && - !(sta_flags & WLAN_STA_AUTHORIZED))) { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: dropped frame to " MAC_FMT - " (unauthorized port)\n", tx->dev->name, - MAC_ARG(hdr->addr1)); -#endif - I802_DEBUG_INC(tx->local->tx_handlers_drop_unauth_port); - return TXRX_DROP; - } - - return TXRX_CONTINUE; + return TX_CONTINUE; } -static ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_sequence(struct ieee80211_txrx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; @@ -280,7 +291,7 @@ ieee80211_tx_h_sequence(struct ieee80211_txrx_data *tx) if (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control)) >= 24) ieee80211_include_sequence(tx->sdata, hdr); - return TXRX_CONTINUE; + return TX_CONTINUE; } /* This function is called whenever the AP is about to exceed the maximum limit @@ -302,7 +313,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) list_for_each_entry_rcu(sdata, &local->interfaces, list) { struct ieee80211_if_ap *ap; if (sdata->dev == local->mdev || - sdata->type != IEEE80211_IF_TYPE_AP) + sdata->vif.type != IEEE80211_IF_TYPE_AP) continue; ap = &sdata->u.ap; skb = skb_dequeue(&ap->ps_bc_buf); @@ -330,16 +341,27 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) wiphy_name(local->hw.wiphy), purged); } -static inline ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx) { - /* broadcast/multicast frame */ - /* If any of the associated stations is in power save mode, - * the frame is buffered to be sent after DTIM beacon frame */ - if ((tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) && - tx->sdata->type != IEEE80211_IF_TYPE_WDS && - tx->sdata->bss && atomic_read(&tx->sdata->bss->num_sta_ps) && - !(tx->fc & IEEE80211_FCTL_ORDER)) { + /* + * broadcast/multicast frame + * + * If any of the associated stations is in power save mode, + * the frame is buffered to be sent after DTIM beacon frame. + * This is done either by the hardware or us. + */ + + /* not AP/IBSS or ordered frame */ + if (!tx->sdata->bss || (tx->fc & IEEE80211_FCTL_ORDER)) + return TX_CONTINUE; + + /* no stations in PS mode */ + if (!atomic_read(&tx->sdata->bss->num_sta_ps)) + return TX_CONTINUE; + + /* buffered in mac80211 */ + if (tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) { if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER) purge_old_ps_buffers(tx->local); if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >= @@ -353,28 +375,32 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx) } else tx->local->total_ps_buffered++; skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb); - return TXRX_QUEUED; + return TX_QUEUED; } - return TXRX_CONTINUE; + /* buffered in hardware */ + tx->u.tx.control->flags |= IEEE80211_TXCTL_SEND_AFTER_DTIM; + + return TX_CONTINUE; } -static inline ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) { struct sta_info *sta = tx->sta; + DECLARE_MAC_BUF(mac); if (unlikely(!sta || ((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT && (tx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP))) - return TXRX_CONTINUE; + return TX_CONTINUE; if (unlikely((sta->flags & WLAN_STA_PS) && !sta->pspoll)) { struct ieee80211_tx_packet_data *pkt_data; #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - printk(KERN_DEBUG "STA " MAC_FMT " aid %d: PS buffer (entries " + printk(KERN_DEBUG "STA %s aid %d: PS buffer (entries " "before %d)\n", - MAC_ARG(sta->addr), sta->aid, + print_mac(mac, sta->addr), sta->aid, skb_queue_len(&sta->ps_tx_buf)); #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ sta->flags |= WLAN_STA_TIM; @@ -383,9 +409,9 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) if (skb_queue_len(&sta->ps_tx_buf) >= STA_MAX_TX_BUFFER) { struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf); if (net_ratelimit()) { - printk(KERN_DEBUG "%s: STA " MAC_FMT " TX " + printk(KERN_DEBUG "%s: STA %s TX " "buffer full - dropping oldest frame\n", - tx->dev->name, MAC_ARG(sta->addr)); + tx->dev->name, print_mac(mac, sta->addr)); } dev_kfree_skb(old); } else @@ -401,26 +427,25 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) pkt_data = (struct ieee80211_tx_packet_data *)tx->skb->cb; pkt_data->jiffies = jiffies; skb_queue_tail(&sta->ps_tx_buf, tx->skb); - return TXRX_QUEUED; + return TX_QUEUED; } #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG else if (unlikely(sta->flags & WLAN_STA_PS)) { - printk(KERN_DEBUG "%s: STA " MAC_FMT " in PS mode, but pspoll " + printk(KERN_DEBUG "%s: STA %s in PS mode, but pspoll " "set -> send frame\n", tx->dev->name, - MAC_ARG(sta->addr)); + print_mac(mac, sta->addr)); } #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ sta->pspoll = 0; - return TXRX_CONTINUE; + return TX_CONTINUE; } - -static ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx) { if (unlikely(tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED)) - return TXRX_CONTINUE; + return TX_CONTINUE; if (tx->flags & IEEE80211_TXRXD_TXUNICAST) return ieee80211_tx_h_unicast_ps_buf(tx); @@ -428,13 +453,11 @@ ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx) return ieee80211_tx_h_multicast_ps_buf(tx); } - - - -static ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx) { struct ieee80211_key *key; + u16 fc = tx->fc; if (unlikely(tx->u.tx.control->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)) tx->key = NULL; @@ -443,23 +466,42 @@ ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx) else if ((key = rcu_dereference(tx->sdata->default_key))) tx->key = key; else if (tx->sdata->drop_unencrypted && - !(tx->sdata->eapol && ieee80211_is_eapol(tx->skb))) { + !(tx->u.tx.control->flags & IEEE80211_TXCTL_EAPOL_FRAME) && + !(tx->flags & IEEE80211_TXRXD_TX_INJECTED)) { I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted); - return TXRX_DROP; - } else { + return TX_DROP; + } else tx->key = NULL; - tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; - } if (tx->key) { + u16 ftype, stype; + tx->key->tx_rx_count++; /* TODO: add threshold stuff again */ + + switch (tx->key->conf.alg) { + case ALG_WEP: + ftype = fc & IEEE80211_FCTL_FTYPE; + stype = fc & IEEE80211_FCTL_STYPE; + + if (ftype == IEEE80211_FTYPE_MGMT && + stype == IEEE80211_STYPE_AUTH) + break; + case ALG_TKIP: + case ALG_CCMP: + if (!WLAN_FC_DATA_PRESENT(fc)) + tx->key = NULL; + break; + } } - return TXRX_CONTINUE; + if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) + tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; + + return TX_CONTINUE; } -static ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; @@ -471,14 +513,14 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) int frag_threshold = tx->local->fragmentation_threshold; if (!(tx->flags & IEEE80211_TXRXD_FRAGMENTED)) - return TXRX_CONTINUE; + return TX_CONTINUE; first = tx->skb; hdrlen = ieee80211_get_hdrlen(tx->fc); payload_len = first->len - hdrlen; per_fragm = frag_threshold - hdrlen - FCS_LEN; - num_fragm = (payload_len + per_fragm - 1) / per_fragm; + num_fragm = DIV_ROUND_UP(payload_len, per_fragm); frags = kzalloc(num_fragm * sizeof(struct sk_buff *), GFP_ATOMIC); if (!frags) @@ -525,7 +567,7 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) tx->u.tx.num_extra_frag = num_fragm - 1; tx->u.tx.extra_frag = frags; - return TXRX_CONTINUE; + return TX_CONTINUE; fail: printk(KERN_DEBUG "%s: failed to fragment frame\n", tx->dev->name); @@ -536,14 +578,14 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) kfree(frags); } I802_DEBUG_INC(tx->local->tx_handlers_drop_fragment); - return TXRX_DROP; + return TX_DROP; } -static ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx) { if (!tx->key) - return TXRX_CONTINUE; + return TX_CONTINUE; switch (tx->key->conf.alg) { case ALG_WEP: @@ -556,63 +598,60 @@ ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx) /* not reached */ WARN_ON(1); - return TXRX_DROP; + return TX_DROP; } -static ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx) { - struct rate_control_extra extra; + struct rate_selection rsel; + struct ieee80211_supported_band *sband; - if (likely(!tx->u.tx.rate)) { - memset(&extra, 0, sizeof(extra)); - extra.mode = tx->u.tx.mode; - extra.ethertype = tx->ethertype; + sband = tx->local->hw.wiphy->bands[tx->local->hw.conf.channel->band]; - tx->u.tx.rate = rate_control_get_rate(tx->local, tx->dev, - tx->skb, &extra); - if (unlikely(extra.probe != NULL)) { + if (likely(!tx->u.tx.rate)) { + rate_control_get_rate(tx->dev, sband, tx->skb, &rsel); + tx->u.tx.rate = rsel.rate; + if (unlikely(rsel.probe)) { tx->u.tx.control->flags |= IEEE80211_TXCTL_RATE_CTRL_PROBE; tx->flags |= IEEE80211_TXRXD_TXPROBE_LAST_FRAG; - tx->u.tx.control->alt_retry_rate = tx->u.tx.rate->val; - tx->u.tx.rate = extra.probe; + tx->u.tx.control->alt_retry_rate = tx->u.tx.rate; + tx->u.tx.rate = rsel.probe; } else - tx->u.tx.control->alt_retry_rate = -1; + tx->u.tx.control->alt_retry_rate = NULL; if (!tx->u.tx.rate) - return TXRX_DROP; + return TX_DROP; } else - tx->u.tx.control->alt_retry_rate = -1; + tx->u.tx.control->alt_retry_rate = NULL; - if (tx->u.tx.mode->mode == MODE_IEEE80211G && - (tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) && - (tx->flags & IEEE80211_TXRXD_FRAGMENTED) && extra.nonerp) { + if (tx->sdata->bss_conf.use_cts_prot && + (tx->flags & IEEE80211_TXRXD_FRAGMENTED) && rsel.nonerp) { tx->u.tx.last_frag_rate = tx->u.tx.rate; - if (extra.probe) + if (rsel.probe) tx->flags &= ~IEEE80211_TXRXD_TXPROBE_LAST_FRAG; else tx->flags |= IEEE80211_TXRXD_TXPROBE_LAST_FRAG; - tx->u.tx.rate = extra.nonerp; - tx->u.tx.control->rate = extra.nonerp; + tx->u.tx.rate = rsel.nonerp; + tx->u.tx.control->tx_rate = rsel.nonerp; tx->u.tx.control->flags &= ~IEEE80211_TXCTL_RATE_CTRL_PROBE; } else { tx->u.tx.last_frag_rate = tx->u.tx.rate; - tx->u.tx.control->rate = tx->u.tx.rate; + tx->u.tx.control->tx_rate = tx->u.tx.rate; } - tx->u.tx.control->tx_rate = tx->u.tx.rate->val; + tx->u.tx.control->tx_rate = tx->u.tx.rate; - return TXRX_CONTINUE; + return TX_CONTINUE; } -static ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; u16 fc = le16_to_cpu(hdr->frame_control); u16 dur; struct ieee80211_tx_control *control = tx->u.tx.control; - struct ieee80211_hw_mode *mode = tx->u.tx.mode; if (!control->retry_limit) { if (!is_multicast_ether_addr(hdr->addr1)) { @@ -639,16 +678,16 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) * frames. * TODO: The last fragment could still use multiple retry * rates. */ - control->alt_retry_rate = -1; + control->alt_retry_rate = NULL; } /* Use CTS protection for unicast frames sent using extended rates if * there are associated non-ERP stations and RTS/CTS is not configured * for the frame. */ - if (mode->mode == MODE_IEEE80211G && - (tx->u.tx.rate->flags & IEEE80211_RATE_ERP) && + if ((tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) && + (tx->u.tx.rate->flags & IEEE80211_RATE_ERP_G) && (tx->flags & IEEE80211_TXRXD_TXUNICAST) && - (tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) && + tx->sdata->bss_conf.use_cts_prot && !(control->flags & IEEE80211_TXCTL_USE_RTS_CTS)) control->flags |= IEEE80211_TXCTL_USE_CTS_PROTECT; @@ -656,10 +695,10 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) * short preambles at the selected rate and short preambles are * available on the network at the current point in time. */ if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) && - (tx->u.tx.rate->flags & IEEE80211_RATE_PREAMBLE2) && - (tx->sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) && + (tx->u.tx.rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && + tx->sdata->bss_conf.use_short_preamble && (!tx->sta || (tx->sta->flags & WLAN_STA_SHORT_PREAMBLE))) { - tx->u.tx.control->tx_rate = tx->u.tx.rate->val2; + tx->u.tx.control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE; } /* Setup duration field for the first fragment of the frame. Duration @@ -672,19 +711,33 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) if ((control->flags & IEEE80211_TXCTL_USE_RTS_CTS) || (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)) { - struct ieee80211_rate *rate; + struct ieee80211_supported_band *sband; + struct ieee80211_rate *rate, *baserate; + int idx; + + sband = tx->local->hw.wiphy->bands[ + tx->local->hw.conf.channel->band]; /* Do not use multiple retry rates when using RTS/CTS */ - control->alt_retry_rate = -1; + control->alt_retry_rate = NULL; /* Use min(data rate, max base rate) as CTS/RTS rate */ rate = tx->u.tx.rate; - while (rate > mode->rates && - !(rate->flags & IEEE80211_RATE_BASIC)) - rate--; + baserate = NULL; - control->rts_cts_rate = rate->val; - control->rts_rate = rate; + for (idx = 0; idx < sband->n_bitrates; idx++) { + if (sband->bitrates[idx].bitrate > rate->bitrate) + continue; + if (tx->sdata->basic_rates & BIT(idx) && + (!baserate || + (baserate->bitrate < sband->bitrates[idx].bitrate))) + baserate = &sband->bitrates[idx]; + } + + if (baserate) + control->rts_cts_rate = baserate; + else + control->rts_cts_rate = &sband->bitrates[0]; } if (tx->sta) { @@ -701,26 +754,17 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) } } - /* - * Tell hardware to not encrypt when we had sw crypto. - * Because we use the same flag to internally indicate that - * no (software) encryption should be done, we have to set it - * after all crypto handlers. - */ - if (tx->key && !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) - tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; - - return TXRX_CONTINUE; + return TX_CONTINUE; } -static ieee80211_txrx_result +static ieee80211_tx_result ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) { struct ieee80211_local *local = tx->local; - struct ieee80211_hw_mode *mode = tx->u.tx.mode; struct sk_buff *skb = tx->skb; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; u32 load = 0, hdrtime; + struct ieee80211_rate *rate = tx->u.tx.rate; /* TODO: this could be part of tx_status handling, so that the number * of retries would be known; TX rate should in that case be stored @@ -731,9 +775,9 @@ ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) /* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values, * 1 usec = 1/8 * (1080 / 10) = 13.5 */ - if (mode->mode == MODE_IEEE80211A || - (mode->mode == MODE_IEEE80211G && - tx->u.tx.rate->flags & IEEE80211_RATE_ERP)) + if (tx->u.tx.channel->band == IEEE80211_BAND_5GHZ || + (tx->u.tx.channel->band == IEEE80211_BAND_2GHZ && + rate->flags & IEEE80211_RATE_ERP_G)) hdrtime = CHAN_UTIL_HDR_SHORT; else hdrtime = CHAN_UTIL_HDR_LONG; @@ -747,14 +791,15 @@ ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) else if (tx->u.tx.control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) load += hdrtime; - load += skb->len * tx->u.tx.rate->rate_inv; + /* TODO: optimise again */ + load += skb->len * CHAN_UTIL_RATE_LCM / rate->bitrate; if (tx->u.tx.extra_frag) { int i; for (i = 0; i < tx->u.tx.num_extra_frag; i++) { load += 2 * hdrtime; load += tx->u.tx.extra_frag[i]->len * - tx->u.tx.rate->rate; + tx->u.tx.rate->bitrate; } } @@ -765,13 +810,12 @@ ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) tx->sta->channel_use_raw += load; tx->sdata->channel_use_raw += load; - return TXRX_CONTINUE; + return TX_CONTINUE; } -/* TODO: implement register/unregister functions for adding TX/RX handlers - * into ordered list */ -ieee80211_tx_handler ieee80211_tx_handlers[] = +typedef ieee80211_tx_result (*ieee80211_tx_handler)(struct ieee80211_txrx_data *); +static ieee80211_tx_handler ieee80211_tx_handlers[] = { ieee80211_tx_h_check_assoc, ieee80211_tx_h_sequence, @@ -792,7 +836,7 @@ ieee80211_tx_handler ieee80211_tx_handlers[] = * deal with packet injection down monitor interface * with Radiotap Header -- only called for monitor mode interface */ -static ieee80211_txrx_result +static ieee80211_tx_result __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, struct sk_buff *skb) { @@ -807,10 +851,12 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, struct ieee80211_radiotap_iterator iterator; struct ieee80211_radiotap_header *rthdr = (struct ieee80211_radiotap_header *) skb->data; - struct ieee80211_hw_mode *mode = tx->local->hw.conf.mode; + struct ieee80211_supported_band *sband; int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len); struct ieee80211_tx_control *control = tx->u.tx.control; + sband = tx->local->hw.wiphy->bands[tx->local->hw.conf.channel->band]; + control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; tx->flags |= IEEE80211_TXRXD_TX_INJECTED; tx->flags &= ~IEEE80211_TXRXD_FRAGMENTED; @@ -843,10 +889,12 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, * ieee80211 rate int is in 100kbps units eg, 0x0a=1Mbps */ target_rate = (*iterator.this_arg) * 5; - for (i = 0; i < mode->num_rates; i++) { - struct ieee80211_rate *r = &mode->rates[i]; + for (i = 0; i < sband->n_bitrates; i++) { + struct ieee80211_rate *r; - if (r->rate == target_rate) { + r = &sband->bitrates[i]; + + if (r->bitrate == target_rate) { tx->u.tx.rate = r; break; } @@ -861,9 +909,11 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, control->antenna_sel_tx = (*iterator.this_arg) + 1; break; +#if 0 case IEEE80211_RADIOTAP_DBM_TX_POWER: control->power_level = *iterator.this_arg; break; +#endif case IEEE80211_RADIOTAP_FLAGS: if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FCS) { @@ -875,7 +925,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, * on transmission */ if (skb->len < (iterator.max_length + FCS_LEN)) - return TXRX_DROP; + return TX_DROP; skb_trim(skb, skb->len - FCS_LEN); } @@ -898,7 +948,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, } if (ret != -ENOENT) /* ie, if we didn't simply run out of fields */ - return TXRX_DROP; + return TX_DROP; /* * remove the radiotap header @@ -907,13 +957,13 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, */ skb_pull(skb, iterator.max_length); - return TXRX_CONTINUE; + return TX_CONTINUE; } /* * initialises @tx */ -static ieee80211_txrx_result +static ieee80211_tx_result __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, struct sk_buff *skb, struct net_device *dev, @@ -922,7 +972,6 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_hdr *hdr; struct ieee80211_sub_if_data *sdata; - ieee80211_txrx_result res = TXRX_CONTINUE; int hdrlen; @@ -940,9 +989,9 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, /* process and remove the injection radiotap header */ sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (unlikely(sdata->type == IEEE80211_IF_TYPE_MNTR)) { - if (__ieee80211_parse_tx_radiotap(tx, skb) == TXRX_DROP) - return TXRX_DROP; + if (unlikely(sdata->vif.type == IEEE80211_IF_TYPE_MNTR)) { + if (__ieee80211_parse_tx_radiotap(tx, skb) == TX_DROP) + return TX_DROP; /* * __ieee80211_parse_tx_radiotap has now removed @@ -987,12 +1036,10 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, } control->flags |= IEEE80211_TXCTL_FIRST_FRAGMENT; - return res; + return TX_CONTINUE; } -/* Device in tx->dev has a reference added; use dev_put(tx->dev) when - * finished with it. - * +/* * NB: @tx is uninitialised when passed in here */ static int ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, @@ -1004,7 +1051,7 @@ static int ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, struct net_device *dev; pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; - dev = dev_get_by_index(pkt_data->ifindex); + dev = dev_get_by_index(&init_net, pkt_data->ifindex); if (unlikely(dev && !is_ieee80211_device(dev, mdev))) { dev_put(dev); dev = NULL; @@ -1013,6 +1060,7 @@ static int ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, return -ENODEV; /* initialises tx with control */ __ieee80211_tx_prepare(tx, skb, dev, control); + dev_put(dev); return 0; } @@ -1047,8 +1095,8 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb, if (__ieee80211_queue_stopped(local, control->queue)) return IEEE80211_TX_FRAG_AGAIN; if (i == tx->u.tx.num_extra_frag) { - control->tx_rate = tx->u.tx.last_frag_hwrate; - control->rate = tx->u.tx.last_frag_rate; + control->tx_rate = tx->u.tx.last_frag_rate; + if (tx->flags & IEEE80211_TXRXD_TXPROBE_LAST_FRAG) control->flags |= IEEE80211_TXCTL_RATE_CTRL_PROBE; @@ -1082,7 +1130,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, struct sta_info *sta; ieee80211_tx_handler *handler; struct ieee80211_txrx_data tx; - ieee80211_txrx_result res = TXRX_DROP, res_prepare; + ieee80211_tx_result res = TX_DROP, res_prepare; int ret, i; WARN_ON(__ieee80211_queue_pending(local, control->queue)); @@ -1095,7 +1143,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, /* initialises tx */ res_prepare = __ieee80211_tx_prepare(&tx, skb, dev, control); - if (res_prepare == TXRX_DROP) { + if (res_prepare == TX_DROP) { dev_kfree_skb(skb); return 0; } @@ -1107,12 +1155,12 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, rcu_read_lock(); sta = tx.sta; - tx.u.tx.mode = local->hw.conf.mode; + tx.u.tx.channel = local->hw.conf.channel; - for (handler = local->tx_handlers; *handler != NULL; + for (handler = ieee80211_tx_handlers; *handler != NULL; handler++) { res = (*handler)(&tx); - if (res != TXRX_CONTINUE) + if (res != TX_CONTINUE) break; } @@ -1121,12 +1169,12 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, if (sta) sta_info_put(sta); - if (unlikely(res == TXRX_DROP)) { + if (unlikely(res == TX_DROP)) { I802_DEBUG_INC(local->tx_handlers_drop); goto drop; } - if (unlikely(res == TXRX_QUEUED)) { + if (unlikely(res == TX_QUEUED)) { I802_DEBUG_INC(local->tx_handlers_queued); rcu_read_unlock(); return 0; @@ -1144,7 +1192,6 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, } else { next_len = 0; tx.u.tx.rate = tx.u.tx.last_frag_rate; - tx.u.tx.last_frag_hwrate = tx.u.tx.rate->val; } dur = ieee80211_duration(&tx, 0, next_len); hdr->duration_id = cpu_to_le16(dur); @@ -1181,7 +1228,6 @@ retry: store->skb = skb; store->extra_frag = tx.u.tx.extra_frag; store->num_extra_frag = tx.u.tx.num_extra_frag; - store->last_frag_hwrate = tx.u.tx.last_frag_hwrate; store->last_frag_rate = tx.u.tx.last_frag_rate; store->last_frag_rate_ctrl_probe = !!(tx.flags & IEEE80211_TXRXD_TXPROBE_LAST_FRAG); @@ -1219,7 +1265,7 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, memset(&control, 0, sizeof(struct ieee80211_tx_control)); if (pkt_data->ifindex) - odev = dev_get_by_index(pkt_data->ifindex); + odev = dev_get_by_index(&init_net, pkt_data->ifindex); if (unlikely(odev && !is_ieee80211_device(odev, dev))) { dev_put(odev); odev = NULL; @@ -1243,14 +1289,18 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, } } - control.ifindex = odev->ifindex; - control.type = osdata->type; + control.vif = &osdata->vif; + control.type = osdata->vif.type; if (pkt_data->flags & IEEE80211_TXPD_REQ_TX_STATUS) control.flags |= IEEE80211_TXCTL_REQ_TX_STATUS; if (pkt_data->flags & IEEE80211_TXPD_DO_NOT_ENCRYPT) control.flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; if (pkt_data->flags & IEEE80211_TXPD_REQUEUE) control.flags |= IEEE80211_TXCTL_REQUEUE; + if (pkt_data->flags & IEEE80211_TXPD_EAPOL_FRAME) + control.flags |= IEEE80211_TXCTL_EAPOL_FRAME; + if (pkt_data->flags & IEEE80211_TXPD_AMPDU) + control.flags |= IEEE80211_TXCTL_AMPDU; control.queue = pkt_data->queue; ret = ieee80211_tx(odev, skb, &control); @@ -1343,6 +1393,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, int encaps_len, skip_header_bytes; int nh_pos, h_pos; struct sta_info *sta; + u32 sta_flags = 0; sdata = IEEE80211_DEV_TO_SUB_IF(dev); if (unlikely(skb->len < ETH_HLEN)) { @@ -1358,10 +1409,9 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, /* convert Ethernet header to proper 802.11 header (based on * operation mode) */ ethertype = (skb->data[12] << 8) | skb->data[13]; - /* TODO: handling for 802.1x authorized/unauthorized port */ fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA; - switch (sdata->type) { + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_AP: case IEEE80211_IF_TYPE_VLAN: fc |= IEEE80211_FCTL_FROMDS; @@ -1400,14 +1450,47 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, goto fail; } - /* receiver is QoS enabled, use a QoS type frame */ - sta = sta_info_get(local, hdr.addr1); - if (sta) { - if (sta->flags & WLAN_STA_WME) { - fc |= IEEE80211_STYPE_QOS_DATA; - hdrlen += 2; + /* + * There's no need to try to look up the destination + * if it is a multicast address (which can only happen + * in AP mode) + */ + if (!is_multicast_ether_addr(hdr.addr1)) { + sta = sta_info_get(local, hdr.addr1); + if (sta) { + sta_flags = sta->flags; + sta_info_put(sta); } - sta_info_put(sta); + } + + /* receiver is QoS enabled, use a QoS type frame */ + if (sta_flags & WLAN_STA_WME) { + fc |= IEEE80211_STYPE_QOS_DATA; + hdrlen += 2; + } + + /* + * Drop unicast frames to unauthorised stations unless they are + * EAPOL frames from the local station. + */ + if (unlikely(!is_multicast_ether_addr(hdr.addr1) && + !(sta_flags & WLAN_STA_AUTHORIZED) && + !(ethertype == ETH_P_PAE && + compare_ether_addr(dev->dev_addr, + skb->data + ETH_ALEN) == 0))) { +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + DECLARE_MAC_BUF(mac); + + if (net_ratelimit()) + printk(KERN_DEBUG "%s: dropped frame to %s" + " (unauthorized port)\n", dev->name, + print_mac(mac, hdr.addr1)); +#endif + + I802_DEBUG_INC(local->tx_handlers_drop_unauth_port); + + ret = 0; + goto fail; } hdr.frame_control = cpu_to_le16(fc); @@ -1498,6 +1581,8 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, pkt_data = (struct ieee80211_tx_packet_data *)skb->cb; memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data)); pkt_data->ifindex = dev->ifindex; + if (ethertype == ETH_P_PAE) + pkt_data->flags |= IEEE80211_TXPD_EAPOL_FRAME; skb->dev = local->mdev; dev->stats.tx_packets++; @@ -1522,64 +1607,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, return ret; } -/* - * This is the transmit routine for the 802.11 type interfaces - * called by upper layers of the linux networking - * stack when it has a frame to transmit - */ -int ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct ieee80211_sub_if_data *sdata; - struct ieee80211_tx_packet_data *pkt_data; - struct ieee80211_hdr *hdr; - u16 fc; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - if (skb->len < 10) { - dev_kfree_skb(skb); - return 0; - } - - if (skb_headroom(skb) < sdata->local->tx_headroom) { - if (pskb_expand_head(skb, sdata->local->tx_headroom, - 0, GFP_ATOMIC)) { - dev_kfree_skb(skb); - return 0; - } - } - - hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - - pkt_data = (struct ieee80211_tx_packet_data *) skb->cb; - memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data)); - pkt_data->ifindex = sdata->dev->ifindex; - - skb->priority = 20; /* use hardcoded priority for mgmt TX queue */ - skb->dev = sdata->local->mdev; - - /* - * We're using the protocol field of the the frame control header - * to request TX callback for hostapd. BIT(1) is checked. - */ - if ((fc & BIT(1)) == BIT(1)) { - pkt_data->flags |= IEEE80211_TXPD_REQ_TX_STATUS; - fc &= ~BIT(1); - hdr->frame_control = cpu_to_le16(fc); - } - - if (!(fc & IEEE80211_FCTL_PROTECTED)) - pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT; - - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - - dev_queue_xmit(skb); - - return 0; -} - /* helper functions for pending packets for when queues are stopped */ void ieee80211_clear_tx_pending(struct ieee80211_local *local) @@ -1619,7 +1646,6 @@ void ieee80211_tx_pending(unsigned long data) tx.u.tx.control = &store->control; tx.u.tx.extra_frag = store->extra_frag; tx.u.tx.num_extra_frag = store->num_extra_frag; - tx.u.tx.last_frag_hwrate = store->last_frag_hwrate; tx.u.tx.last_frag_rate = store->last_frag_rate; tx.flags = 0; if (store->last_frag_rate_ctrl_probe) @@ -1648,7 +1674,8 @@ void ieee80211_tx_pending(unsigned long data) static void ieee80211_beacon_add_tim(struct ieee80211_local *local, struct ieee80211_if_ap *bss, - struct sk_buff *skb) + struct sk_buff *skb, + struct beacon_data *beacon) { u8 *pos, *tim; int aid0 = 0; @@ -1664,7 +1691,7 @@ static void ieee80211_beacon_add_tim(struct ieee80211_local *local, IEEE80211_MAX_AID+1); if (bss->dtim_count == 0) - bss->dtim_count = bss->dtim_period - 1; + bss->dtim_count = beacon->dtim_period - 1; else bss->dtim_count--; @@ -1672,7 +1699,7 @@ static void ieee80211_beacon_add_tim(struct ieee80211_local *local, *pos++ = WLAN_EID_TIM; *pos++ = 4; *pos++ = bss->dtim_count; - *pos++ = bss->dtim_period; + *pos++ = beacon->dtim_period; if (bss->dtim_count == 0 && !skb_queue_empty(&bss->ps_bc_buf)) aid0 = 1; @@ -1710,7 +1737,8 @@ static void ieee80211_beacon_add_tim(struct ieee80211_local *local, read_unlock_bh(&local->sta_lock); } -struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, int if_id, +struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, struct ieee80211_tx_control *control) { struct ieee80211_local *local = hw_to_local(hw); @@ -1718,81 +1746,81 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, int if_id, struct net_device *bdev; struct ieee80211_sub_if_data *sdata = NULL; struct ieee80211_if_ap *ap = NULL; - struct ieee80211_rate *rate; - struct rate_control_extra extra; - u8 *b_head, *b_tail; - int bh_len, bt_len; - - bdev = dev_get_by_index(if_id); - if (bdev) { - sdata = IEEE80211_DEV_TO_SUB_IF(bdev); - ap = &sdata->u.ap; - dev_put(bdev); - } + struct rate_selection rsel; + struct beacon_data *beacon; + struct ieee80211_supported_band *sband; - if (!ap || sdata->type != IEEE80211_IF_TYPE_AP || - !ap->beacon_head) { + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + + rcu_read_lock(); + + sdata = vif_to_sdata(vif); + bdev = sdata->dev; + ap = &sdata->u.ap; + + beacon = rcu_dereference(ap->beacon); + + if (!ap || sdata->vif.type != IEEE80211_IF_TYPE_AP || !beacon) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG if (net_ratelimit()) - printk(KERN_DEBUG "no beacon data avail for idx=%d " - "(%s)\n", if_id, bdev ? bdev->name : "N/A"); + printk(KERN_DEBUG "no beacon data avail for %s\n", + bdev->name); #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ - return NULL; + skb = NULL; + goto out; } - /* Assume we are generating the normal beacon locally */ - b_head = ap->beacon_head; - b_tail = ap->beacon_tail; - bh_len = ap->beacon_head_len; - bt_len = ap->beacon_tail_len; - - skb = dev_alloc_skb(local->tx_headroom + - bh_len + bt_len + 256 /* maximum TIM len */); + /* headroom, head length, tail length and maximum TIM length */ + skb = dev_alloc_skb(local->tx_headroom + beacon->head_len + + beacon->tail_len + 256); if (!skb) - return NULL; + goto out; skb_reserve(skb, local->tx_headroom); - memcpy(skb_put(skb, bh_len), b_head, bh_len); + memcpy(skb_put(skb, beacon->head_len), beacon->head, + beacon->head_len); ieee80211_include_sequence(sdata, (struct ieee80211_hdr *)skb->data); - ieee80211_beacon_add_tim(local, ap, skb); + ieee80211_beacon_add_tim(local, ap, skb, beacon); - if (b_tail) { - memcpy(skb_put(skb, bt_len), b_tail, bt_len); - } + if (beacon->tail) + memcpy(skb_put(skb, beacon->tail_len), beacon->tail, + beacon->tail_len); if (control) { - memset(&extra, 0, sizeof(extra)); - extra.mode = local->oper_hw_mode; - - rate = rate_control_get_rate(local, local->mdev, skb, &extra); - if (!rate) { + rate_control_get_rate(local->mdev, sband, skb, &rsel); + if (!rsel.rate) { if (net_ratelimit()) { - printk(KERN_DEBUG "%s: ieee80211_beacon_get: no rate " - "found\n", wiphy_name(local->hw.wiphy)); + printk(KERN_DEBUG "%s: ieee80211_beacon_get: " + "no rate found\n", + wiphy_name(local->hw.wiphy)); } dev_kfree_skb(skb); - return NULL; + skb = NULL; + goto out; } - control->tx_rate = - ((sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) && - (rate->flags & IEEE80211_RATE_PREAMBLE2)) ? - rate->val2 : rate->val; + control->vif = vif; + control->tx_rate = rsel.rate; + if (sdata->bss_conf.use_short_preamble && + rsel.rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) + control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE; control->antenna_sel_tx = local->hw.conf.antenna_sel_tx; - control->power_level = local->hw.conf.power_level; control->flags |= IEEE80211_TXCTL_NO_ACK; control->retry_limit = 1; control->flags |= IEEE80211_TXCTL_CLEAR_DST_MASK; } ap->num_beacons++; + + out: + rcu_read_unlock(); return skb; } EXPORT_SYMBOL(ieee80211_beacon_get); -void ieee80211_rts_get(struct ieee80211_hw *hw, int if_id, +void ieee80211_rts_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const void *frame, size_t frame_len, const struct ieee80211_tx_control *frame_txctl, struct ieee80211_rts *rts) @@ -1802,13 +1830,14 @@ void ieee80211_rts_get(struct ieee80211_hw *hw, int if_id, fctl = IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS; rts->frame_control = cpu_to_le16(fctl); - rts->duration = ieee80211_rts_duration(hw, if_id, frame_len, frame_txctl); + rts->duration = ieee80211_rts_duration(hw, vif, frame_len, + frame_txctl); memcpy(rts->ra, hdr->addr1, sizeof(rts->ra)); memcpy(rts->ta, hdr->addr2, sizeof(rts->ta)); } EXPORT_SYMBOL(ieee80211_rts_get); -void ieee80211_ctstoself_get(struct ieee80211_hw *hw, int if_id, +void ieee80211_ctstoself_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const void *frame, size_t frame_len, const struct ieee80211_tx_control *frame_txctl, struct ieee80211_cts *cts) @@ -1818,13 +1847,15 @@ void ieee80211_ctstoself_get(struct ieee80211_hw *hw, int if_id, fctl = IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS; cts->frame_control = cpu_to_le16(fctl); - cts->duration = ieee80211_ctstoself_duration(hw, if_id, frame_len, frame_txctl); + cts->duration = ieee80211_ctstoself_duration(hw, vif, + frame_len, frame_txctl); memcpy(cts->ra, hdr->addr1, sizeof(cts->ra)); } EXPORT_SYMBOL(ieee80211_ctstoself_get); struct sk_buff * -ieee80211_get_buffered_bc(struct ieee80211_hw *hw, int if_id, +ieee80211_get_buffered_bc(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, struct ieee80211_tx_control *control) { struct ieee80211_local *local = hw_to_local(hw); @@ -1832,19 +1863,28 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, int if_id, struct sta_info *sta; ieee80211_tx_handler *handler; struct ieee80211_txrx_data tx; - ieee80211_txrx_result res = TXRX_DROP; + ieee80211_tx_result res = TX_DROP; struct net_device *bdev; struct ieee80211_sub_if_data *sdata; struct ieee80211_if_ap *bss = NULL; + struct beacon_data *beacon; - bdev = dev_get_by_index(if_id); - if (bdev) { - sdata = IEEE80211_DEV_TO_SUB_IF(bdev); - bss = &sdata->u.ap; - dev_put(bdev); - } - if (!bss || sdata->type != IEEE80211_IF_TYPE_AP || !bss->beacon_head) + sdata = vif_to_sdata(vif); + bdev = sdata->dev; + + + if (!bss) + return NULL; + + rcu_read_lock(); + beacon = rcu_dereference(bss->beacon); + + if (sdata->vif.type != IEEE80211_IF_TYPE_AP || !beacon || + !beacon->head) { + rcu_read_unlock(); return NULL; + } + rcu_read_unlock(); if (bss->dtim_count != 0) return NULL; /* send buffered bc/mc only after DTIM beacon */ @@ -1871,21 +1911,20 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, int if_id, } sta = tx.sta; tx.flags |= IEEE80211_TXRXD_TXPS_BUFFERED; - tx.u.tx.mode = local->hw.conf.mode; + tx.u.tx.channel = local->hw.conf.channel; - for (handler = local->tx_handlers; *handler != NULL; handler++) { + for (handler = ieee80211_tx_handlers; *handler != NULL; handler++) { res = (*handler)(&tx); - if (res == TXRX_DROP || res == TXRX_QUEUED) + if (res == TX_DROP || res == TX_QUEUED) break; } - dev_put(tx.dev); skb = tx.skb; /* handlers are allowed to change skb */ - if (res == TXRX_DROP) { + if (res == TX_DROP) { I802_DEBUG_INC(local->tx_handlers_drop); dev_kfree_skb(skb); skb = NULL; - } else if (res == TXRX_QUEUED) { + } else if (res == TX_QUEUED) { I802_DEBUG_INC(local->tx_handlers_queued); skb = NULL; } diff --git a/package/mac80211/src/net/mac80211/util.c b/package/mac80211/src/net/mac80211/util.c index 27203f1..f64804f 100644 --- a/package/mac80211/src/net/mac80211/util.c +++ b/package/mac80211/src/net/mac80211/util.c @@ -20,7 +20,9 @@ #include <linux/if_arp.h> #include <linux/wireless.h> #include <linux/bitmap.h> +#include <net/net_namespace.h> #include <net/cfg80211.h> +#include <net/rtnetlink.h> #include "ieee80211_i.h" #include "ieee80211_rate.h" @@ -38,108 +40,22 @@ const unsigned char rfc1042_header[] = const unsigned char bridge_tunnel_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; -/* No encapsulation header if EtherType < 0x600 (=length) */ -static const unsigned char eapol_header[] = - { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x88, 0x8e }; - -static int rate_list_match(const int *rate_list, int rate) -{ - int i; - - if (!rate_list) - return 0; - - for (i = 0; rate_list[i] >= 0; i++) - if (rate_list[i] == rate) - return 1; - - return 0; -} - -void ieee80211_prepare_rates(struct ieee80211_local *local, - struct ieee80211_hw_mode *mode) -{ - int i; - - for (i = 0; i < mode->num_rates; i++) { - struct ieee80211_rate *rate = &mode->rates[i]; - - rate->flags &= ~(IEEE80211_RATE_SUPPORTED | - IEEE80211_RATE_BASIC); - - if (local->supp_rates[mode->mode]) { - if (!rate_list_match(local->supp_rates[mode->mode], - rate->rate)) - continue; - } - - rate->flags |= IEEE80211_RATE_SUPPORTED; - - /* Use configured basic rate set if it is available. If not, - * use defaults that are sane for most cases. */ - if (local->basic_rates[mode->mode]) { - if (rate_list_match(local->basic_rates[mode->mode], - rate->rate)) - rate->flags |= IEEE80211_RATE_BASIC; - } else switch (mode->mode) { - case MODE_IEEE80211A: - if (rate->rate == 60 || rate->rate == 120 || - rate->rate == 240) - rate->flags |= IEEE80211_RATE_BASIC; - break; - case MODE_IEEE80211B: - if (rate->rate == 10 || rate->rate == 20) - rate->flags |= IEEE80211_RATE_BASIC; - break; - case MODE_IEEE80211G: - if (rate->rate == 10 || rate->rate == 20 || - rate->rate == 55 || rate->rate == 110) - rate->flags |= IEEE80211_RATE_BASIC; - break; - case NUM_IEEE80211_MODES: - /* not useful */ - break; - } - - /* Set ERP and MANDATORY flags based on phymode */ - switch (mode->mode) { - case MODE_IEEE80211A: - if (rate->rate == 60 || rate->rate == 120 || - rate->rate == 240) - rate->flags |= IEEE80211_RATE_MANDATORY; - break; - case MODE_IEEE80211B: - if (rate->rate == 10) - rate->flags |= IEEE80211_RATE_MANDATORY; - break; - case MODE_IEEE80211G: - if (rate->rate == 10 || rate->rate == 20 || - rate->rate == 55 || rate->rate == 110 || - rate->rate == 60 || rate->rate == 120 || - rate->rate == 240) - rate->flags |= IEEE80211_RATE_MANDATORY; - break; - case NUM_IEEE80211_MODES: - /* not useful */ - break; - } - if (ieee80211_is_erp_rate(mode->mode, rate->rate)) - rate->flags |= IEEE80211_RATE_ERP; - } -} - -u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len) +u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, + enum ieee80211_if_types type) { u16 fc; - if (len < 24) + /* drop ACK/CTS frames and incorrect hdr len (ctrl) */ + if (len < 16) return NULL; fc = le16_to_cpu(hdr->frame_control); switch (fc & IEEE80211_FCTL_FTYPE) { case IEEE80211_FTYPE_DATA: + if (len < 24) /* drop incorrect hdr len (data) */ + return NULL; switch (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) { case IEEE80211_FCTL_TODS: return hdr->addr1; @@ -152,10 +68,24 @@ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len) } break; case IEEE80211_FTYPE_MGMT: + if (len < 24) /* drop incorrect hdr len (mgmt) */ + return NULL; return hdr->addr3; case IEEE80211_FTYPE_CTL: if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL) return hdr->addr1; + else if ((fc & IEEE80211_FCTL_STYPE) == + IEEE80211_STYPE_BACK_REQ) { + switch (type) { + case IEEE80211_IF_TYPE_STA: + return hdr->addr2; + case IEEE80211_IF_TYPE_AP: + case IEEE80211_IF_TYPE_VLAN: + return hdr->addr1; + default: + return NULL; + } + } else return NULL; } @@ -216,31 +146,6 @@ int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb) } EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb); -int ieee80211_is_eapol(const struct sk_buff *skb) -{ - const struct ieee80211_hdr *hdr; - u16 fc; - int hdrlen; - - if (unlikely(skb->len < 10)) - return 0; - - hdr = (const struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - - if (unlikely(!WLAN_FC_DATA_PRESENT(fc))) - return 0; - - hdrlen = ieee80211_get_hdrlen(fc); - - if (unlikely(skb->len >= hdrlen + sizeof(eapol_header) && - memcmp(skb->data + hdrlen, eapol_header, - sizeof(eapol_header)) == 0)) - return 1; - - return 0; -} - void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; @@ -271,7 +176,7 @@ int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, * DIV_ROUND_UP() operations. */ - if (local->hw.conf.phymode == MODE_IEEE80211A || erp) { + if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ || erp) { /* * OFDM: * @@ -311,120 +216,92 @@ int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, } /* Exported duration function for driver use */ -__le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw, int if_id, - size_t frame_len, int rate) +__le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + size_t frame_len, + struct ieee80211_rate *rate) { struct ieee80211_local *local = hw_to_local(hw); - struct net_device *bdev = dev_get_by_index(if_id); - struct ieee80211_sub_if_data *sdata; + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); u16 dur; int erp; - if (unlikely(!bdev)) - return 0; + erp = 0; + if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) + erp = rate->flags & IEEE80211_RATE_ERP_G; - sdata = IEEE80211_DEV_TO_SUB_IF(bdev); - erp = ieee80211_is_erp_rate(hw->conf.phymode, rate); - dur = ieee80211_frame_duration(local, frame_len, rate, - erp, sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE); + dur = ieee80211_frame_duration(local, frame_len, rate->bitrate, erp, + sdata->bss_conf.use_short_preamble); - dev_put(bdev); return cpu_to_le16(dur); } EXPORT_SYMBOL(ieee80211_generic_frame_duration); -__le16 ieee80211_rts_duration(struct ieee80211_hw *hw, int if_id, - size_t frame_len, +__le16 ieee80211_rts_duration(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, size_t frame_len, const struct ieee80211_tx_control *frame_txctl) { struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_rate *rate; - struct net_device *bdev = dev_get_by_index(if_id); - struct ieee80211_sub_if_data *sdata; - int short_preamble; + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + bool short_preamble; int erp; u16 dur; - if (unlikely(!bdev)) - return 0; + short_preamble = sdata->bss_conf.use_short_preamble; - sdata = IEEE80211_DEV_TO_SUB_IF(bdev); - short_preamble = sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE; + rate = frame_txctl->rts_cts_rate; - rate = frame_txctl->rts_rate; - erp = !!(rate->flags & IEEE80211_RATE_ERP); + erp = 0; + if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) + erp = rate->flags & IEEE80211_RATE_ERP_G; /* CTS duration */ - dur = ieee80211_frame_duration(local, 10, rate->rate, + dur = ieee80211_frame_duration(local, 10, rate->bitrate, erp, short_preamble); /* Data frame duration */ - dur += ieee80211_frame_duration(local, frame_len, rate->rate, + dur += ieee80211_frame_duration(local, frame_len, rate->bitrate, erp, short_preamble); /* ACK duration */ - dur += ieee80211_frame_duration(local, 10, rate->rate, + dur += ieee80211_frame_duration(local, 10, rate->bitrate, erp, short_preamble); - dev_put(bdev); return cpu_to_le16(dur); } EXPORT_SYMBOL(ieee80211_rts_duration); -__le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw, int if_id, +__le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, size_t frame_len, const struct ieee80211_tx_control *frame_txctl) { struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_rate *rate; - struct net_device *bdev = dev_get_by_index(if_id); - struct ieee80211_sub_if_data *sdata; - int short_preamble; + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + bool short_preamble; int erp; u16 dur; - if (unlikely(!bdev)) - return 0; + short_preamble = sdata->bss_conf.use_short_preamble; - sdata = IEEE80211_DEV_TO_SUB_IF(bdev); - short_preamble = sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE; - - rate = frame_txctl->rts_rate; - erp = !!(rate->flags & IEEE80211_RATE_ERP); + rate = frame_txctl->rts_cts_rate; + erp = 0; + if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) + erp = rate->flags & IEEE80211_RATE_ERP_G; /* Data frame duration */ - dur = ieee80211_frame_duration(local, frame_len, rate->rate, + dur = ieee80211_frame_duration(local, frame_len, rate->bitrate, erp, short_preamble); if (!(frame_txctl->flags & IEEE80211_TXCTL_NO_ACK)) { /* ACK duration */ - dur += ieee80211_frame_duration(local, 10, rate->rate, + dur += ieee80211_frame_duration(local, 10, rate->bitrate, erp, short_preamble); } - dev_put(bdev); return cpu_to_le16(dur); } EXPORT_SYMBOL(ieee80211_ctstoself_duration); -struct ieee80211_rate * -ieee80211_get_rate(struct ieee80211_local *local, int phymode, int hw_rate) -{ - struct ieee80211_hw_mode *mode; - int r; - - list_for_each_entry(mode, &local->modes_list, list) { - if (mode->mode != phymode) - continue; - for (r = 0; r < mode->num_rates; r++) { - struct ieee80211_rate *rate = &mode->rates[r]; - if (rate->val == hw_rate || - (rate->flags & IEEE80211_RATE_PREAMBLE2 && - rate->val2 == hw_rate)) - return rate; - } - } - - return NULL; -} - void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue) { struct ieee80211_local *local = hw_to_local(hw); @@ -483,3 +360,37 @@ void ieee80211_wake_queues(struct ieee80211_hw *hw) ieee80211_wake_queue(hw, i); } EXPORT_SYMBOL(ieee80211_wake_queues); + +void ieee80211_iterate_active_interfaces( + struct ieee80211_hw *hw, + void (*iterator)(void *data, u8 *mac, + struct ieee80211_vif *vif), + void *data) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct ieee80211_sub_if_data *sdata; + + rcu_read_lock(); + + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + switch (sdata->vif.type) { + case IEEE80211_IF_TYPE_INVALID: + case IEEE80211_IF_TYPE_MNTR: + case IEEE80211_IF_TYPE_VLAN: + continue; + case IEEE80211_IF_TYPE_AP: + case IEEE80211_IF_TYPE_STA: + case IEEE80211_IF_TYPE_IBSS: + case IEEE80211_IF_TYPE_WDS: + break; + } + if (sdata->dev == local->mdev) + continue; + if (netif_running(sdata->dev)) + iterator(data, sdata->dev->dev_addr, + &sdata->vif); + } + + rcu_read_unlock(); +} +EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces); diff --git a/package/mac80211/src/net/mac80211/wep.c b/package/mac80211/src/net/mac80211/wep.c index 6675261..a33ef5c 100644 --- a/package/mac80211/src/net/mac80211/wep.c +++ b/package/mac80211/src/net/mac80211/wep.c @@ -16,7 +16,7 @@ #include <linux/crypto.h> #include <linux/err.h> #include <linux/mm.h> -#include <asm/scatterlist.h> +#include <linux/scatterlist.h> #include <net/mac80211.h> #include "ieee80211_i.h" @@ -138,9 +138,7 @@ void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key, *icv = cpu_to_le32(~crc32_le(~0, data, data_len)); crypto_blkcipher_setkey(tfm, rc4key, klen); - sg.page = virt_to_page(data); - sg.offset = offset_in_page(data); - sg.length = data_len + WEP_ICV_LEN; + sg_init_one(&sg, data, data_len + WEP_ICV_LEN); crypto_blkcipher_encrypt(&desc, &sg, &sg, sg.length); } @@ -204,9 +202,7 @@ int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key, __le32 crc; crypto_blkcipher_setkey(tfm, rc4key, klen); - sg.page = virt_to_page(data); - sg.offset = offset_in_page(data); - sg.length = data_len + WEP_ICV_LEN; + sg_init_one(&sg, data, data_len + WEP_ICV_LEN); crypto_blkcipher_decrypt(&desc, &sg, &sg, sg.length); crc = cpu_to_le32(~crc32_le(~0, data, data_len)); @@ -269,7 +265,8 @@ int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb, if (ieee80211_wep_decrypt_data(local->wep_rx_tfm, rc4key, klen, skb->data + hdrlen + WEP_IV_LEN, len)) { - printk(KERN_DEBUG "WEP decrypt failed (ICV)\n"); + if (net_ratelimit()) + printk(KERN_DEBUG "WEP decrypt failed (ICV)\n"); ret = -1; } @@ -308,20 +305,22 @@ u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key) return NULL; } -ieee80211_txrx_result +ieee80211_rx_result ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx) { if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA && ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT || (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_AUTH)) - return TXRX_CONTINUE; + return RX_CONTINUE; if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key)) { +#ifdef CONFIG_MAC80211_DEBUG if (net_ratelimit()) printk(KERN_DEBUG "%s: RX WEP frame, decrypt " "failed\n", rx->dev->name); - return TXRX_DROP; +#endif /* CONFIG_MAC80211_DEBUG */ + return RX_DROP_UNUSABLE; } } else if (!(rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) { ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key); @@ -329,7 +328,7 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx) skb_trim(rx->skb, rx->skb->len - 4); } - return TXRX_CONTINUE; + return RX_CONTINUE; } static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb) @@ -347,26 +346,16 @@ static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb) return 0; } -ieee80211_txrx_result +ieee80211_tx_result ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - u16 fc; - - fc = le16_to_cpu(hdr->frame_control); - - if (((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA && - ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT || - (fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_AUTH))) - return TXRX_CONTINUE; - tx->u.tx.control->iv_len = WEP_IV_LEN; tx->u.tx.control->icv_len = WEP_ICV_LEN; ieee80211_tx_set_iswep(tx); if (wep_encrypt_skb(tx, tx->skb) < 0) { I802_DEBUG_INC(tx->local->tx_handlers_drop_wep); - return TXRX_DROP; + return TX_DROP; } if (tx->u.tx.extra_frag) { @@ -375,10 +364,10 @@ ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx) if (wep_encrypt_skb(tx, tx->u.tx.extra_frag[i]) < 0) { I802_DEBUG_INC(tx->local-> tx_handlers_drop_wep); - return TXRX_DROP; + return TX_DROP; } } } - return TXRX_CONTINUE; + return TX_CONTINUE; } diff --git a/package/mac80211/src/net/mac80211/wep.h b/package/mac80211/src/net/mac80211/wep.h index 785fbb4..43aef50 100644 --- a/package/mac80211/src/net/mac80211/wep.h +++ b/package/mac80211/src/net/mac80211/wep.h @@ -28,9 +28,9 @@ int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb, struct ieee80211_key *key); u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key); -ieee80211_txrx_result +ieee80211_rx_result ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx); -ieee80211_txrx_result +ieee80211_tx_result ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx); #endif /* WEP_H */ diff --git a/package/mac80211/src/net/mac80211/wme.c b/package/mac80211/src/net/mac80211/wme.c index 5b8a157..7bbc793 100644 --- a/package/mac80211/src/net/mac80211/wme.c +++ b/package/mac80211/src/net/mac80211/wme.c @@ -19,15 +19,19 @@ #include "wme.h" /* maximum number of hardware queues we support. */ -#define TC_80211_MAX_QUEUES 8 +#define TC_80211_MAX_QUEUES 16 + +const int ieee802_1d_to_ac[8] = { 2, 3, 3, 2, 1, 1, 0, 0 }; struct ieee80211_sched_data { + unsigned long qdisc_pool; struct tcf_proto *filter_list; struct Qdisc *queues[TC_80211_MAX_QUEUES]; struct sk_buff_head requeued[TC_80211_MAX_QUEUES]; }; +static const char llc_ip_hdr[8] = {0xAA, 0xAA, 0x3, 0, 0, 0, 0x08, 0}; /* given a data frame determine the 802.1p/1d tag to use */ static inline unsigned classify_1d(struct sk_buff *skb, struct Qdisc *qd) @@ -54,12 +58,12 @@ static inline unsigned classify_1d(struct sk_buff *skb, struct Qdisc *qd) return skb->priority - 256; /* check there is a valid IP header present */ - offset = ieee80211_get_hdrlen_from_skb(skb) + 8 /* LLC + proto */; - if (skb->protocol != __constant_htons(ETH_P_IP) || - skb->len < offset + sizeof(*ip)) + offset = ieee80211_get_hdrlen_from_skb(skb); + if (skb->len < offset + sizeof(llc_ip_hdr) + sizeof(*ip) || + memcmp(skb->data + offset, llc_ip_hdr, sizeof(llc_ip_hdr))) return 0; - ip = (struct iphdr *) (skb->data + offset); + ip = (struct iphdr *) (skb->data + offset + sizeof(llc_ip_hdr)); dscp = ip->tos & 0xfc; if (dscp & 0x1c) @@ -97,7 +101,6 @@ static inline int classify80211(struct sk_buff *skb, struct Qdisc *qd) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; unsigned short fc = le16_to_cpu(hdr->frame_control); int qos; - const int ieee802_1d_to_ac[8] = { 2, 3, 3, 2, 1, 1, 0, 0 }; /* see if frame is data or non data frame */ if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)) { @@ -145,9 +148,25 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd) unsigned short fc = le16_to_cpu(hdr->frame_control); struct Qdisc *qdisc; int err, queue; + struct sta_info *sta; + u8 tid; if (pkt_data->flags & IEEE80211_TXPD_REQUEUE) { - skb_queue_tail(&q->requeued[pkt_data->queue], skb); + queue = pkt_data->queue; + sta = sta_info_get(local, hdr->addr1); + tid = skb->priority & QOS_CONTROL_TAG1D_MASK; + if (sta) { + int ampdu_queue = sta->tid_to_tx_q[tid]; + if ((ampdu_queue < local->hw.queues) && + test_bit(ampdu_queue, &q->qdisc_pool)) { + queue = ampdu_queue; + pkt_data->flags |= IEEE80211_TXPD_AMPDU; + } else { + pkt_data->flags &= ~IEEE80211_TXPD_AMPDU; + } + sta_info_put(sta); + } + skb_queue_tail(&q->requeued[queue], skb); qd->q.qlen++; return 0; } @@ -158,14 +177,28 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd) */ if (WLAN_FC_IS_QOS_DATA(fc)) { u8 *p = skb->data + ieee80211_get_hdrlen(fc) - 2; - u8 qos_hdr = skb->priority & QOS_CONTROL_TAG1D_MASK; + u8 ack_policy = 0; + tid = skb->priority & QOS_CONTROL_TAG1D_MASK; if (local->wifi_wme_noack_test) - qos_hdr |= QOS_CONTROL_ACK_POLICY_NOACK << + ack_policy |= QOS_CONTROL_ACK_POLICY_NOACK << QOS_CONTROL_ACK_POLICY_SHIFT; /* qos header is 2 bytes, second reserved */ - *p = qos_hdr; + *p = ack_policy | tid; p++; *p = 0; + + sta = sta_info_get(local, hdr->addr1); + if (sta) { + int ampdu_queue = sta->tid_to_tx_q[tid]; + if ((ampdu_queue < local->hw.queues) && + test_bit(ampdu_queue, &q->qdisc_pool)) { + queue = ampdu_queue; + pkt_data->flags |= IEEE80211_TXPD_AMPDU; + } else { + pkt_data->flags &= ~IEEE80211_TXPD_AMPDU; + } + sta_info_put(sta); + } } if (unlikely(queue >= local->hw.queues)) { @@ -183,6 +216,7 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd) kfree_skb(skb); err = NET_XMIT_DROP; } else { + tid = skb->priority & QOS_CONTROL_TAG1D_MASK; pkt_data->queue = (unsigned int) queue; qdisc = q->queues[queue]; err = qdisc->enqueue(skb, qdisc); @@ -234,10 +268,11 @@ static struct sk_buff *wme_qdiscop_dequeue(struct Qdisc* qd) /* check all the h/w queues in numeric/priority order */ for (queue = 0; queue < hw->queues; queue++) { /* see if there is room in this hardware queue */ - if (test_bit(IEEE80211_LINK_STATE_XOFF, - &local->state[queue]) || - test_bit(IEEE80211_LINK_STATE_PENDING, - &local->state[queue])) + if ((test_bit(IEEE80211_LINK_STATE_XOFF, + &local->state[queue])) || + (test_bit(IEEE80211_LINK_STATE_PENDING, + &local->state[queue])) || + (!test_bit(queue, &q->qdisc_pool))) continue; /* there is space - try and get a frame */ @@ -359,6 +394,10 @@ static int wme_qdiscop_init(struct Qdisc *qd, struct rtattr *opt) } } + /* reserve all legacy QoS queues */ + for (i = 0; i < min(IEEE80211_TX_QUEUE_DATA4, queues); i++) + set_bit(i, &q->qdisc_pool); + return err; } @@ -604,3 +643,80 @@ void ieee80211_wme_unregister(void) { unregister_qdisc(&wme_qdisc_ops); } + +int ieee80211_ht_agg_queue_add(struct ieee80211_local *local, + struct sta_info *sta, u16 tid) +{ + int i; + struct ieee80211_sched_data *q = + qdisc_priv(local->mdev->qdisc_sleeping); + DECLARE_MAC_BUF(mac); + + /* prepare the filter and save it for the SW queue + * matching the recieved HW queue */ + + /* try to get a Qdisc from the pool */ + for (i = IEEE80211_TX_QUEUE_BEACON; i < local->hw.queues; i++) + if (!test_and_set_bit(i, &q->qdisc_pool)) { + ieee80211_stop_queue(local_to_hw(local), i); + sta->tid_to_tx_q[tid] = i; + + /* IF there are already pending packets + * on this tid first we need to drain them + * on the previous queue + * since HT is strict in order */ +#ifdef CONFIG_MAC80211_HT_DEBUG + if (net_ratelimit()) + printk(KERN_DEBUG "allocated aggregation queue" + " %d tid %d addr %s pool=0x%lX\n", + i, tid, print_mac(mac, sta->addr), + q->qdisc_pool); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + return 0; + } + + return -EAGAIN; +} + +/** + * the caller needs to hold local->mdev->queue_lock + */ +void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local, + struct sta_info *sta, u16 tid, + u8 requeue) +{ + struct ieee80211_sched_data *q = + qdisc_priv(local->mdev->qdisc_sleeping); + int agg_queue = sta->tid_to_tx_q[tid]; + + /* return the qdisc to the pool */ + clear_bit(agg_queue, &q->qdisc_pool); + sta->tid_to_tx_q[tid] = local->hw.queues; + + if (requeue) + ieee80211_requeue(local, agg_queue); + else + q->queues[agg_queue]->ops->reset(q->queues[agg_queue]); +} + +void ieee80211_requeue(struct ieee80211_local *local, int queue) +{ + struct Qdisc *root_qd = local->mdev->qdisc_sleeping; + struct ieee80211_sched_data *q = qdisc_priv(root_qd); + struct Qdisc *qdisc = q->queues[queue]; + struct sk_buff *skb = NULL; + u32 len = qdisc->q.qlen; + + if (!qdisc || !qdisc->dequeue) + return; + + printk(KERN_DEBUG "requeue: qlen = %d\n", qdisc->q.qlen); + for (len = qdisc->q.qlen; len > 0; len--) { + skb = qdisc->dequeue(qdisc); + root_qd->q.qlen--; + /* packet will be classified again and */ + /* skb->packet_data->queue will be overridden if needed */ + if (skb) + wme_qdiscop_enqueue(skb, root_qd); + } +} diff --git a/package/mac80211/src/net/mac80211/wme.h b/package/mac80211/src/net/mac80211/wme.h index 76c713a..fcc6b05 100644 --- a/package/mac80211/src/net/mac80211/wme.h +++ b/package/mac80211/src/net/mac80211/wme.h @@ -24,6 +24,8 @@ #define QOS_CONTROL_TAG1D_MASK 0x07 +extern const int ieee802_1d_to_ac[8]; + static inline int WLAN_FC_IS_QOS_DATA(u16 fc) { return (fc & 0x8C) == 0x88; @@ -32,7 +34,12 @@ static inline int WLAN_FC_IS_QOS_DATA(u16 fc) #ifdef CONFIG_NET_SCHED void ieee80211_install_qdisc(struct net_device *dev); int ieee80211_qdisc_installed(struct net_device *dev); - +int ieee80211_ht_agg_queue_add(struct ieee80211_local *local, + struct sta_info *sta, u16 tid); +void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local, + struct sta_info *sta, u16 tid, + u8 requeue); +void ieee80211_requeue(struct ieee80211_local *local, int queue); int ieee80211_wme_register(void); void ieee80211_wme_unregister(void); #else @@ -43,7 +50,19 @@ static inline int ieee80211_qdisc_installed(struct net_device *dev) { return 0; } - +static inline int ieee80211_ht_agg_queue_add(struct ieee80211_local *local, + struct sta_info *sta, u16 tid) +{ + return -EAGAIN; +} +static inline void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local, + struct sta_info *sta, u16 tid, + u8 requeue) +{ +} +static inline void ieee80211_requeue(struct ieee80211_local *local, int queue) +{ +} static inline int ieee80211_wme_register(void) { return 0; diff --git a/package/mac80211/src/net/mac80211/wpa.c b/package/mac80211/src/net/mac80211/wpa.c index 0b32ab6..b35e51c 100644 --- a/package/mac80211/src/net/mac80211/wpa.c +++ b/package/mac80211/src/net/mac80211/wpa.c @@ -70,7 +70,7 @@ static int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da, } -ieee80211_txrx_result +ieee80211_tx_result ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) { u8 *data, *sa, *da, *key, *mic, qos_tid; @@ -84,10 +84,10 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) if (!tx->key || tx->key->conf.alg != ALG_TKIP || skb->len < 24 || !WLAN_FC_DATA_PRESENT(fc)) - return TXRX_CONTINUE; + return TX_CONTINUE; if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)) - return TXRX_DROP; + return TX_DROP; if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && !(tx->flags & IEEE80211_TXRXD_FRAGMENTED) && @@ -95,7 +95,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) !wpa_test) { /* hwaccel - with no need for preallocated room for Michael MIC */ - return TXRX_CONTINUE; + return TX_CONTINUE; } if (skb_tailroom(skb) < MICHAEL_MIC_LEN) { @@ -105,7 +105,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) GFP_ATOMIC))) { printk(KERN_DEBUG "%s: failed to allocate more memory " "for Michael MIC\n", tx->dev->name); - return TXRX_DROP; + return TX_DROP; } } @@ -119,11 +119,11 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) mic = skb_put(skb, MICHAEL_MIC_LEN); michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); - return TXRX_CONTINUE; + return TX_CONTINUE; } -ieee80211_txrx_result +ieee80211_rx_result ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) { u8 *data, *sa, *da, *key = NULL, qos_tid; @@ -132,6 +132,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) u8 mic[MICHAEL_MIC_LEN]; struct sk_buff *skb = rx->skb; int authenticator = 1, wpa_test = 0; + DECLARE_MAC_BUF(mac); fc = rx->fc; @@ -139,15 +140,15 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) * No way to verify the MIC if the hardware stripped it */ if (rx->u.rx.status->flag & RX_FLAG_MMIC_STRIPPED) - return TXRX_CONTINUE; + return RX_CONTINUE; if (!rx->key || rx->key->conf.alg != ALG_TKIP || !(rx->fc & IEEE80211_FCTL_PROTECTED) || !WLAN_FC_DATA_PRESENT(fc)) - return TXRX_CONTINUE; + return RX_CONTINUE; if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len) || data_len < MICHAEL_MIC_LEN) - return TXRX_DROP; + return RX_DROP_UNUSABLE; data_len -= MICHAEL_MIC_LEN; @@ -161,14 +162,14 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) { if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) - return TXRX_DROP; + return RX_DROP_UNUSABLE; printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from " - MAC_FMT "\n", rx->dev->name, MAC_ARG(sa)); + "%s\n", rx->dev->name, print_mac(mac, sa)); mac80211_ev_michael_mic_failure(rx->dev, rx->key->conf.keyidx, (void *) skb->data); - return TXRX_DROP; + return RX_DROP_UNUSABLE; } /* remove Michael MIC from payload */ @@ -178,7 +179,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) rx->key->u.tkip.iv32_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv32; rx->key->u.tkip.iv16_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv16; - return TXRX_CONTINUE; + return RX_CONTINUE; } @@ -241,19 +242,12 @@ static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx, } -ieee80211_txrx_result +ieee80211_tx_result ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - u16 fc; struct sk_buff *skb = tx->skb; int wpa_test = 0, test = 0; - fc = le16_to_cpu(hdr->frame_control); - - if (!WLAN_FC_DATA_PRESENT(fc)) - return TXRX_CONTINUE; - tx->u.tx.control->icv_len = TKIP_ICV_LEN; tx->u.tx.control->iv_len = TKIP_IV_LEN; ieee80211_tx_set_iswep(tx); @@ -263,26 +257,26 @@ ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx) !wpa_test) { /* hwaccel - with no need for preallocated room for IV/ICV */ tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; - return TXRX_CONTINUE; + return TX_CONTINUE; } if (tkip_encrypt_skb(tx, skb, test) < 0) - return TXRX_DROP; + return TX_DROP; if (tx->u.tx.extra_frag) { int i; for (i = 0; i < tx->u.tx.num_extra_frag; i++) { if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) < 0) - return TXRX_DROP; + return TX_DROP; } } - return TXRX_CONTINUE; + return TX_CONTINUE; } -ieee80211_txrx_result +ieee80211_rx_result ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; @@ -290,15 +284,16 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) int hdrlen, res, hwaccel = 0, wpa_test = 0; struct ieee80211_key *key = rx->key; struct sk_buff *skb = rx->skb; + DECLARE_MAC_BUF(mac); fc = le16_to_cpu(hdr->frame_control); hdrlen = ieee80211_get_hdrlen(fc); if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) - return TXRX_CONTINUE; + return RX_CONTINUE; if (!rx->sta || skb->len - hdrlen < 12) - return TXRX_DROP; + return RX_DROP_UNUSABLE; if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) { if (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED) { @@ -307,7 +302,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) * replay protection, and stripped the ICV/IV so * we cannot do any checks here. */ - return TXRX_CONTINUE; + return RX_CONTINUE; } /* let TKIP code verify IV, but skip decryption */ @@ -321,10 +316,13 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) &rx->u.rx.tkip_iv32, &rx->u.rx.tkip_iv16); if (res != TKIP_DECRYPT_OK || wpa_test) { - printk(KERN_DEBUG "%s: TKIP decrypt failed for RX frame from " - MAC_FMT " (res=%d)\n", - rx->dev->name, MAC_ARG(rx->sta->addr), res); - return TXRX_DROP; +#ifdef CONFIG_MAC80211_DEBUG + if (net_ratelimit()) + printk(KERN_DEBUG "%s: TKIP decrypt failed for RX " + "frame from %s (res=%d)\n", rx->dev->name, + print_mac(mac, rx->sta->addr), res); +#endif /* CONFIG_MAC80211_DEBUG */ + return RX_DROP_UNUSABLE; } /* Trim ICV */ @@ -334,7 +332,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen); skb_pull(skb, TKIP_IV_LEN); - return TXRX_CONTINUE; + return RX_CONTINUE; } @@ -493,19 +491,12 @@ static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx, } -ieee80211_txrx_result +ieee80211_tx_result ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - u16 fc; struct sk_buff *skb = tx->skb; int test = 0; - fc = le16_to_cpu(hdr->frame_control); - - if (!WLAN_FC_DATA_PRESENT(fc)) - return TXRX_CONTINUE; - tx->u.tx.control->icv_len = CCMP_MIC_LEN; tx->u.tx.control->iv_len = CCMP_HDR_LEN; ieee80211_tx_set_iswep(tx); @@ -515,26 +506,26 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx) /* hwaccel - with no need for preallocated room for CCMP " * header or MIC fields */ tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; - return TXRX_CONTINUE; + return TX_CONTINUE; } if (ccmp_encrypt_skb(tx, skb, test) < 0) - return TXRX_DROP; + return TX_DROP; if (tx->u.tx.extra_frag) { int i; for (i = 0; i < tx->u.tx.num_extra_frag; i++) { if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) < 0) - return TXRX_DROP; + return TX_DROP; } } - return TXRX_CONTINUE; + return TX_CONTINUE; } -ieee80211_txrx_result +ieee80211_rx_result ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; @@ -544,35 +535,37 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) struct sk_buff *skb = rx->skb; u8 pn[CCMP_PN_LEN]; int data_len; + DECLARE_MAC_BUF(mac); fc = le16_to_cpu(hdr->frame_control); hdrlen = ieee80211_get_hdrlen(fc); if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) - return TXRX_CONTINUE; + return RX_CONTINUE; data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN; if (!rx->sta || data_len < 0) - return TXRX_DROP; + return RX_DROP_UNUSABLE; if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) - return TXRX_CONTINUE; + return RX_CONTINUE; (void) ccmp_hdr2pn(pn, skb->data + hdrlen); if (memcmp(pn, key->u.ccmp.rx_pn[rx->u.rx.queue], CCMP_PN_LEN) <= 0) { #ifdef CONFIG_MAC80211_DEBUG u8 *ppn = key->u.ccmp.rx_pn[rx->u.rx.queue]; + printk(KERN_DEBUG "%s: CCMP replay detected for RX frame from " - MAC_FMT " (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN " + "%s (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN " "%02x%02x%02x%02x%02x%02x)\n", rx->dev->name, - MAC_ARG(rx->sta->addr), + print_mac(mac, rx->sta->addr), pn[0], pn[1], pn[2], pn[3], pn[4], pn[5], ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]); #endif /* CONFIG_MAC80211_DEBUG */ key->u.ccmp.replays++; - return TXRX_DROP; + return RX_DROP_UNUSABLE; } if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { @@ -590,10 +583,13 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) skb->data + hdrlen + CCMP_HDR_LEN, data_len, skb->data + skb->len - CCMP_MIC_LEN, skb->data + hdrlen + CCMP_HDR_LEN)) { - printk(KERN_DEBUG "%s: CCMP decrypt failed for RX " - "frame from " MAC_FMT "\n", rx->dev->name, - MAC_ARG(rx->sta->addr)); - return TXRX_DROP; +#ifdef CONFIG_MAC80211_DEBUG + if (net_ratelimit()) + printk(KERN_DEBUG "%s: CCMP decrypt failed " + "for RX frame from %s\n", rx->dev->name, + print_mac(mac, rx->sta->addr)); +#endif /* CONFIG_MAC80211_DEBUG */ + return RX_DROP_UNUSABLE; } } @@ -604,6 +600,5 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen); skb_pull(skb, CCMP_HDR_LEN); - return TXRX_CONTINUE; + return RX_CONTINUE; } - diff --git a/package/mac80211/src/net/mac80211/wpa.h b/package/mac80211/src/net/mac80211/wpa.h index 49d80cf..16e4dba 100644 --- a/package/mac80211/src/net/mac80211/wpa.h +++ b/package/mac80211/src/net/mac80211/wpa.h @@ -13,19 +13,19 @@ #include <linux/types.h> #include "ieee80211_i.h" -ieee80211_txrx_result +ieee80211_tx_result ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx); -ieee80211_txrx_result +ieee80211_rx_result ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx); -ieee80211_txrx_result +ieee80211_tx_result ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx); -ieee80211_txrx_result +ieee80211_rx_result ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx); -ieee80211_txrx_result +ieee80211_tx_result ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx); -ieee80211_txrx_result +ieee80211_rx_result ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx); #endif /* WPA_H */ diff --git a/package/mac80211/src/net/wireless/Kconfig b/package/mac80211/src/net/wireless/Kconfig index 6291f13..7927090 100644 --- a/package/mac80211/src/net/wireless/Kconfig +++ b/package/mac80211/src/net/wireless/Kconfig @@ -3,16 +3,16 @@ config CFG80211 config NL80211 bool "nl80211 new netlink interface support" - depends CFG80211 + depends on CFG80211 default y ---help--- - This option turns on the new netlink interface - (nl80211) support in cfg80211. + This option turns on the new netlink interface + (nl80211) support in cfg80211. - If =n, drivers using mac80211 will be configured via - wireless extension support provided by that subsystem. + If =n, drivers using mac80211 will be configured via + wireless extension support provided by that subsystem. - If unsure, say Y. + If unsure, say Y. config WIRELESS_EXT bool "Wireless extensions" diff --git a/package/mac80211/src/net/wireless/Makefile b/package/mac80211/src/net/wireless/Makefile index 5664c2c..b9f943c 100644 --- a/package/mac80211/src/net/wireless/Makefile +++ b/package/mac80211/src/net/wireless/Makefile @@ -1,4 +1,5 @@ +obj-$(CONFIG_WIRELESS_EXT) += wext.o obj-$(CONFIG_CFG80211) += cfg80211.o -cfg80211-y += core.o sysfs.o radiotap.o +cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o cfg80211-$(CONFIG_NL80211) += nl80211.o diff --git a/package/mac80211/src/net/wireless/core.c b/package/mac80211/src/net/wireless/core.c index 35b79be..80afacd 100644 --- a/package/mac80211/src/net/wireless/core.c +++ b/package/mac80211/src/net/wireless/core.c @@ -69,7 +69,7 @@ __cfg80211_drv_from_info(struct genl_info *info) if (info->attrs[NL80211_ATTR_IFINDEX]) { ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); - dev = dev_get_by_index(ifindex); + dev = dev_get_by_index(&init_net, ifindex); if (dev) { if (dev->ieee80211_ptr) byifidx = @@ -120,7 +120,7 @@ cfg80211_get_dev_from_ifindex(int ifindex) struct net_device *dev; mutex_lock(&cfg80211_drv_mutex); - dev = dev_get_by_index(ifindex); + dev = dev_get_by_index(&init_net, ifindex); if (!dev) goto out; if (dev->ieee80211_ptr) { @@ -184,6 +184,9 @@ struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv) struct cfg80211_registered_device *drv; int alloc_size; + WARN_ON(!ops->add_key && ops->del_key); + WARN_ON(ops->add_key && !ops->del_key); + alloc_size = sizeof(*drv) + sizeof_priv; drv = kzalloc(alloc_size, GFP_KERNEL); @@ -229,6 +232,47 @@ int wiphy_register(struct wiphy *wiphy) { struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy); int res; + enum ieee80211_band band; + struct ieee80211_supported_band *sband; + bool have_band = false; + int i; + + /* sanity check supported bands/channels */ + for (band = 0; band < IEEE80211_NUM_BANDS; band++) { + sband = wiphy->bands[band]; + if (!sband) + continue; + + sband->band = band; + + if (!sband->n_channels || !sband->n_bitrates) { + WARN_ON(1); + return -EINVAL; + } + + for (i = 0; i < sband->n_channels; i++) { + sband->channels[i].orig_flags = + sband->channels[i].flags; + sband->channels[i].orig_mag = + sband->channels[i].max_antenna_gain; + sband->channels[i].orig_mpwr = + sband->channels[i].max_power; + sband->channels[i].band = band; + } + + have_band = true; + } + + if (!have_band) { + WARN_ON(1); + return -EINVAL; + } + + /* check and set up bitrates */ + ieee80211_set_bitrate_flags(wiphy); + + /* set up regulatory info */ + wiphy_update_regulatory(wiphy); mutex_lock(&cfg80211_drv_mutex); diff --git a/package/mac80211/src/net/wireless/core.h b/package/mac80211/src/net/wireless/core.h index eb0f846..7a02c35 100644 --- a/package/mac80211/src/net/wireless/core.h +++ b/package/mac80211/src/net/wireless/core.h @@ -78,4 +78,7 @@ extern void cfg80211_dev_free(struct cfg80211_registered_device *drv); extern int cfg80211_dev_rename(struct cfg80211_registered_device *drv, char *newname); +void ieee80211_set_bitrate_flags(struct wiphy *wiphy); +void wiphy_update_regulatory(struct wiphy *wiphy); + #endif /* __NET_WIRELESS_CORE_H */ diff --git a/package/mac80211/src/net/wireless/nl80211.c b/package/mac80211/src/net/wireless/nl80211.c index 58717f3..5b34747 100644 --- a/package/mac80211/src/net/wireless/nl80211.c +++ b/package/mac80211/src/net/wireless/nl80211.c @@ -39,7 +39,7 @@ static int get_drv_dev_by_info_ifindex(struct genl_info *info, return -EINVAL; ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); - *dev = dev_get_by_index(ifindex); + *dev = dev_get_by_index(&init_net, ifindex); if (!*dev) return -ENODEV; @@ -61,6 +61,28 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = { [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, + + [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN }, + + [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, + .len = WLAN_MAX_KEY_LEN }, + [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, + [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, + [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, + + [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, + [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, + [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, + .len = IEEE80211_MAX_DATA_LEN }, + [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, + .len = IEEE80211_MAX_DATA_LEN }, + [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, + [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, + [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, + [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, + .len = NL80211_MAX_SUPP_RATES }, + [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, + [NL80211_ATTR_MNTR_FLAGS] = { .type = NLA_NESTED }, }; /* message building helper */ @@ -77,6 +99,13 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct cfg80211_registered_device *dev) { void *hdr; + struct nlattr *nl_bands, *nl_band; + struct nlattr *nl_freqs, *nl_freq; + struct nlattr *nl_rates, *nl_rate; + enum ieee80211_band band; + struct ieee80211_channel *chan; + struct ieee80211_rate *rate; + int i; hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); if (!hdr) @@ -84,6 +113,73 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->idx); NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); + + nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); + if (!nl_bands) + goto nla_put_failure; + + for (band = 0; band < IEEE80211_NUM_BANDS; band++) { + if (!dev->wiphy.bands[band]) + continue; + + nl_band = nla_nest_start(msg, band); + if (!nl_band) + goto nla_put_failure; + + /* add frequencies */ + nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); + if (!nl_freqs) + goto nla_put_failure; + + for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { + nl_freq = nla_nest_start(msg, i); + if (!nl_freq) + goto nla_put_failure; + + chan = &dev->wiphy.bands[band]->channels[i]; + NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, + chan->center_freq); + + if (chan->flags & IEEE80211_CHAN_DISABLED) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); + if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); + if (chan->flags & IEEE80211_CHAN_NO_IBSS) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); + if (chan->flags & IEEE80211_CHAN_RADAR) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); + + nla_nest_end(msg, nl_freq); + } + + nla_nest_end(msg, nl_freqs); + + /* add bitrates */ + nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); + if (!nl_rates) + goto nla_put_failure; + + for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { + nl_rate = nla_nest_start(msg, i); + if (!nl_rate) + goto nla_put_failure; + + rate = &dev->wiphy.bands[band]->bitrates[i]; + NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, + rate->bitrate); + if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) + NLA_PUT_FLAG(msg, + NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); + + nla_nest_end(msg, nl_rate); + } + + nla_nest_end(msg, nl_rates); + + nla_nest_end(msg, nl_band); + } + nla_nest_end(msg, nl_bands); + return genlmsg_end(msg, hdr); nla_put_failure: @@ -241,12 +337,42 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) return -ENOBUFS; } +static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { + [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, + [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, + [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, + [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, + [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, +}; + +static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) +{ + struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; + int flag; + + *mntrflags = 0; + + if (!nla) + return -EINVAL; + + if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, + nla, mntr_flags_policy)) + return -EINVAL; + + for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) + if (flags[flag]) + *mntrflags |= (1<<flag); + + return 0; +} + static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *drv; int err, ifindex; enum nl80211_iftype type; struct net_device *dev; + u32 flags; if (info->attrs[NL80211_ATTR_IFTYPE]) { type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); @@ -267,7 +393,11 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) } rtnl_lock(); - err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, type); + err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? + info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, + &flags); + err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, + type, err ? NULL : &flags); rtnl_unlock(); unlock: @@ -280,6 +410,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) struct cfg80211_registered_device *drv; int err; enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; + u32 flags; if (!info->attrs[NL80211_ATTR_IFNAME]) return -EINVAL; @@ -300,8 +431,12 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) } rtnl_lock(); + err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? + info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, + &flags); err = drv->ops->add_virtual_intf(&drv->wiphy, - nla_data(info->attrs[NL80211_ATTR_IFNAME]), type); + nla_data(info->attrs[NL80211_ATTR_IFNAME]), + type, err ? NULL : &flags); rtnl_unlock(); unlock: @@ -335,6 +470,655 @@ static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) return err; } +struct get_key_cookie { + struct sk_buff *msg; + int error; +}; + +static void get_key_callback(void *c, struct key_params *params) +{ + struct get_key_cookie *cookie = c; + + if (params->key) + NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, + params->key_len, params->key); + + if (params->seq) + NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, + params->seq_len, params->seq); + + if (params->cipher) + NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, + params->cipher); + + return; + nla_put_failure: + cookie->error = 1; +} + +static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 key_idx = 0; + u8 *mac_addr = NULL; + struct get_key_cookie cookie = { + .error = 0, + }; + void *hdr; + struct sk_buff *msg; + + if (info->attrs[NL80211_ATTR_KEY_IDX]) + key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); + + if (key_idx > 3) + return -EINVAL; + + if (info->attrs[NL80211_ATTR_MAC]) + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->get_key) { + err = -EOPNOTSUPP; + goto out; + } + + msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg) { + err = -ENOMEM; + goto out; + } + + hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + NL80211_CMD_NEW_KEY); + + if (IS_ERR(hdr)) { + err = PTR_ERR(hdr); + goto out; + } + + cookie.msg = msg; + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); + NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); + if (mac_addr) + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); + + rtnl_lock(); + err = drv->ops->get_key(&drv->wiphy, dev, key_idx, mac_addr, + &cookie, get_key_callback); + rtnl_unlock(); + + if (err) + goto out; + + if (cookie.error) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + err = genlmsg_unicast(msg, info->snd_pid); + goto out; + + nla_put_failure: + err = -ENOBUFS; + nlmsg_free(msg); + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 key_idx; + + if (!info->attrs[NL80211_ATTR_KEY_IDX]) + return -EINVAL; + + key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); + + if (key_idx > 3) + return -EINVAL; + + /* currently only support setting default key */ + if (!info->attrs[NL80211_ATTR_KEY_DEFAULT]) + return -EINVAL; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->set_default_key) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->set_default_key(&drv->wiphy, dev, key_idx); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct key_params params; + u8 key_idx = 0; + u8 *mac_addr = NULL; + + memset(¶ms, 0, sizeof(params)); + + if (!info->attrs[NL80211_ATTR_KEY_CIPHER]) + return -EINVAL; + + if (info->attrs[NL80211_ATTR_KEY_DATA]) { + params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); + params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); + } + + if (info->attrs[NL80211_ATTR_KEY_IDX]) + key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); + + params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); + + if (info->attrs[NL80211_ATTR_MAC]) + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (key_idx > 3) + return -EINVAL; + + /* + * Disallow pairwise keys with non-zero index unless it's WEP + * (because current deployments use pairwise WEP keys with + * non-zero indizes but 802.11i clearly specifies to use zero) + */ + if (mac_addr && key_idx && + params.cipher != WLAN_CIPHER_SUITE_WEP40 && + params.cipher != WLAN_CIPHER_SUITE_WEP104) + return -EINVAL; + + /* TODO: add definitions for the lengths to linux/ieee80211.h */ + switch (params.cipher) { + case WLAN_CIPHER_SUITE_WEP40: + if (params.key_len != 5) + return -EINVAL; + break; + case WLAN_CIPHER_SUITE_TKIP: + if (params.key_len != 32) + return -EINVAL; + break; + case WLAN_CIPHER_SUITE_CCMP: + if (params.key_len != 16) + return -EINVAL; + break; + case WLAN_CIPHER_SUITE_WEP104: + if (params.key_len != 13) + return -EINVAL; + break; + default: + return -EINVAL; + } + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->add_key) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->add_key(&drv->wiphy, dev, key_idx, mac_addr, ¶ms); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 key_idx = 0; + u8 *mac_addr = NULL; + + if (info->attrs[NL80211_ATTR_KEY_IDX]) + key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); + + if (key_idx > 3) + return -EINVAL; + + if (info->attrs[NL80211_ATTR_MAC]) + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->del_key) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->del_key(&drv->wiphy, dev, key_idx, mac_addr); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) +{ + int (*call)(struct wiphy *wiphy, struct net_device *dev, + struct beacon_parameters *info); + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct beacon_parameters params; + int haveinfo = 0; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + switch (info->genlhdr->cmd) { + case NL80211_CMD_NEW_BEACON: + /* these are required for NEW_BEACON */ + if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || + !info->attrs[NL80211_ATTR_DTIM_PERIOD] || + !info->attrs[NL80211_ATTR_BEACON_HEAD]) { + err = -EINVAL; + goto out; + } + + call = drv->ops->add_beacon; + break; + case NL80211_CMD_SET_BEACON: + call = drv->ops->set_beacon; + break; + default: + WARN_ON(1); + err = -EOPNOTSUPP; + goto out; + } + + if (!call) { + err = -EOPNOTSUPP; + goto out; + } + + memset(¶ms, 0, sizeof(params)); + + if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { + params.interval = + nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); + haveinfo = 1; + } + + if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { + params.dtim_period = + nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); + haveinfo = 1; + } + + if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { + params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); + params.head_len = + nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); + haveinfo = 1; + } + + if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { + params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); + params.tail_len = + nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); + haveinfo = 1; + } + + if (!haveinfo) { + err = -EINVAL; + goto out; + } + + rtnl_lock(); + err = call(&drv->wiphy, dev, ¶ms); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->del_beacon) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->del_beacon(&drv->wiphy, dev); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { + [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, + [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, + [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, +}; + +static int parse_station_flags(struct nlattr *nla, u32 *staflags) +{ + struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; + int flag; + + *staflags = 0; + + if (!nla) + return 0; + + if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, + nla, sta_flags_policy)) + return -EINVAL; + + *staflags = STATION_FLAG_CHANGED; + + for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) + if (flags[flag]) + *staflags |= (1<<flag); + + return 0; +} + +static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, + int flags, struct net_device *dev, + u8 *mac_addr, struct station_stats *stats) +{ + void *hdr; + struct nlattr *statsattr; + + hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); + if (!hdr) + return -1; + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); + + statsattr = nla_nest_start(msg, NL80211_ATTR_STA_STATS); + if (!statsattr) + goto nla_put_failure; + if (stats->filled & STATION_STAT_INACTIVE_TIME) + NLA_PUT_U32(msg, NL80211_STA_STAT_INACTIVE_TIME, + stats->inactive_time); + if (stats->filled & STATION_STAT_RX_BYTES) + NLA_PUT_U32(msg, NL80211_STA_STAT_RX_BYTES, + stats->rx_bytes); + if (stats->filled & STATION_STAT_TX_BYTES) + NLA_PUT_U32(msg, NL80211_STA_STAT_TX_BYTES, + stats->tx_bytes); + + nla_nest_end(msg, statsattr); + + return genlmsg_end(msg, hdr); + + nla_put_failure: + return genlmsg_cancel(msg, hdr); +} + + +static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct station_stats stats; + struct sk_buff *msg; + u8 *mac_addr = NULL; + + memset(&stats, 0, sizeof(stats)); + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->get_station) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &stats); + rtnl_unlock(); + + msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg) + goto out; + + if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, + dev, mac_addr, &stats) < 0) + goto out_free; + + err = genlmsg_unicast(msg, info->snd_pid); + goto out; + + out_free: + nlmsg_free(msg); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +/* + * Get vlan interface making sure it is on the right wiphy. + */ +static int get_vlan(struct nlattr *vlanattr, + struct cfg80211_registered_device *rdev, + struct net_device **vlan) +{ + *vlan = NULL; + + if (vlanattr) { + *vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr)); + if (!*vlan) + return -ENODEV; + if (!(*vlan)->ieee80211_ptr) + return -EINVAL; + if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) + return -EINVAL; + } + return 0; +} + +static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct station_parameters params; + u8 *mac_addr = NULL; + + memset(¶ms, 0, sizeof(params)); + + params.listen_interval = -1; + + if (info->attrs[NL80211_ATTR_STA_AID]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { + params.supported_rates = + nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); + params.supported_rates_len = + nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); + } + + if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) + params.listen_interval = + nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); + + if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], + ¶ms.station_flags)) + return -EINVAL; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); + if (err) + goto out; + + if (!drv->ops->change_station) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->change_station(&drv->wiphy, dev, mac_addr, ¶ms); + rtnl_unlock(); + + out: + if (params.vlan) + dev_put(params.vlan); + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct station_parameters params; + u8 *mac_addr = NULL; + + memset(¶ms, 0, sizeof(params)); + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_STA_AID]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) + return -EINVAL; + + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + params.supported_rates = + nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); + params.supported_rates_len = + nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); + params.listen_interval = + nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); + params.listen_interval = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); + + if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], + ¶ms.station_flags)) + return -EINVAL; + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); + if (err) + goto out; + + if (!drv->ops->add_station) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, ¶ms); + rtnl_unlock(); + + out: + if (params.vlan) + dev_put(params.vlan); + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 *mac_addr = NULL; + + if (info->attrs[NL80211_ATTR_MAC]) + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->del_station) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->del_station(&drv->wiphy, dev, mac_addr); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + static struct genl_ops nl80211_ops[] = { { .cmd = NL80211_CMD_GET_WIPHY, @@ -374,6 +1158,73 @@ static struct genl_ops nl80211_ops[] = { .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, }, + { + .cmd = NL80211_CMD_GET_KEY, + .doit = nl80211_get_key, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_SET_KEY, + .doit = nl80211_set_key, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_NEW_KEY, + .doit = nl80211_new_key, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_DEL_KEY, + .doit = nl80211_del_key, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_SET_BEACON, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .doit = nl80211_addset_beacon, + }, + { + .cmd = NL80211_CMD_NEW_BEACON, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .doit = nl80211_addset_beacon, + }, + { + .cmd = NL80211_CMD_DEL_BEACON, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .doit = nl80211_del_beacon, + }, + { + .cmd = NL80211_CMD_GET_STATION, + .doit = nl80211_get_station, + /* TODO: implement dumpit */ + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_SET_STATION, + .doit = nl80211_set_station, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_NEW_STATION, + .doit = nl80211_new_station, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_DEL_STATION, + .doit = nl80211_del_station, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, }; /* multicast groups */ diff --git a/package/mac80211/src/net/wireless/reg.c b/package/mac80211/src/net/wireless/reg.c new file mode 100644 index 0000000..2b63c96 --- /dev/null +++ b/package/mac80211/src/net/wireless/reg.c @@ -0,0 +1,153 @@ +/* + * Copyright 2002-2005, Instant802 Networks, Inc. + * Copyright 2005-2006, Devicescape Software, Inc. + * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* + * This regulatory domain control implementation is highly incomplete, it + * only exists for the purpose of not regressing mac80211. + * + * For now, drivers can restrict the set of allowed channels by either + * not registering those channels or setting the IEEE80211_CHAN_DISABLED + * flag; that flag will only be *set* by this code, never *cleared. + * + * The usual implementation is for a driver to read a device EEPROM to + * determine which regulatory domain it should be operating under, then + * looking up the allowable channels in a driver-local table and finally + * registering those channels in the wiphy structure. + * + * Alternatively, drivers that trust the regulatory domain control here + * will register a complete set of capabilities and the control code + * will restrict the set by setting the IEEE80211_CHAN_* flags. + */ +#include <linux/kernel.h> +#include <net/wireless.h> +#include "core.h" + +static char *ieee80211_regdom = "US"; +module_param(ieee80211_regdom, charp, 0444); +MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code"); + +struct ieee80211_channel_range { + short start_freq; + short end_freq; + int max_power; + int max_antenna_gain; + u32 flags; +}; + +struct ieee80211_regdomain { + const char *code; + const struct ieee80211_channel_range *ranges; + int n_ranges; +}; + +#define RANGE_PWR(_start, _end, _pwr, _ag, _flags) \ + { _start, _end, _pwr, _ag, _flags } + + +/* + * Ideally, in the future, these definitions will be loaded from a + * userspace table via some daemon. + */ +static const struct ieee80211_channel_range ieee80211_US_channels[] = { + /* IEEE 802.11b/g, channels 1..11 */ + RANGE_PWR(2412, 2462, 27, 6, 0), + /* IEEE 802.11a, channels 52..64 */ + RANGE_PWR(5260, 5320, 23, 6, 0), + /* IEEE 802.11a, channels 149..165, outdoor */ + RANGE_PWR(5745, 5825, 30, 6, 0), +}; + +static const struct ieee80211_channel_range ieee80211_JP_channels[] = { + /* IEEE 802.11b/g, channels 1..14 */ + RANGE_PWR(2412, 2484, 20, 6, 0), + /* IEEE 802.11a, channels 34..48 */ + RANGE_PWR(5170, 5240, 20, 6, IEEE80211_CHAN_PASSIVE_SCAN), + /* IEEE 802.11a, channels 52..64 */ + RANGE_PWR(5260, 5320, 20, 6, IEEE80211_CHAN_NO_IBSS | + IEEE80211_CHAN_RADAR), +}; + +#define REGDOM(_code) \ + { \ + .code = __stringify(_code), \ + .ranges = ieee80211_ ##_code## _channels, \ + .n_ranges = ARRAY_SIZE(ieee80211_ ##_code## _channels), \ + } + +static const struct ieee80211_regdomain ieee80211_regdoms[] = { + REGDOM(US), + REGDOM(JP), +}; + + +static const struct ieee80211_regdomain *get_regdom(void) +{ + static const struct ieee80211_channel_range + ieee80211_world_channels[] = { + /* IEEE 802.11b/g, channels 1..11 */ + RANGE_PWR(2412, 2462, 27, 6, 0), + }; + static const struct ieee80211_regdomain regdom_world = REGDOM(world); + int i; + + for (i = 0; i < ARRAY_SIZE(ieee80211_regdoms); i++) + if (strcmp(ieee80211_regdom, ieee80211_regdoms[i].code) == 0) + return &ieee80211_regdoms[i]; + + return ®dom_world; +} + + +static void handle_channel(struct ieee80211_channel *chan, + const struct ieee80211_regdomain *rd) +{ + int i; + u32 flags = chan->orig_flags; + const struct ieee80211_channel_range *rg = NULL; + + for (i = 0; i < rd->n_ranges; i++) { + if (rd->ranges[i].start_freq <= chan->center_freq && + chan->center_freq <= rd->ranges[i].end_freq) { + rg = &rd->ranges[i]; + break; + } + } + + if (!rg) { + /* not found */ + flags |= IEEE80211_CHAN_DISABLED; + chan->flags = flags; + return; + } + + chan->flags = flags; + chan->max_antenna_gain = min(chan->orig_mag, + rg->max_antenna_gain); + chan->max_power = min(chan->orig_mpwr, rg->max_power); +} + +static void handle_band(struct ieee80211_supported_band *sband, + const struct ieee80211_regdomain *rd) +{ + int i; + + for (i = 0; i < sband->n_channels; i++) + handle_channel(&sband->channels[i], rd); +} + +void wiphy_update_regulatory(struct wiphy *wiphy) +{ + enum ieee80211_band band; + const struct ieee80211_regdomain *rd = get_regdom(); + + for (band = 0; band < IEEE80211_NUM_BANDS; band++) + if (wiphy->bands[band]) + handle_band(wiphy->bands[band], rd); +} diff --git a/package/mac80211/src/net/wireless/sysfs.c b/package/mac80211/src/net/wireless/sysfs.c index 2d5d225..29f820e 100644 --- a/package/mac80211/src/net/wireless/sysfs.c +++ b/package/mac80211/src/net/wireless/sysfs.c @@ -53,8 +53,7 @@ static void wiphy_dev_release(struct device *dev) } #ifdef CONFIG_HOTPLUG -static int wiphy_uevent(struct device *dev, char **envp, - int num_envp, char *buf, int size) +static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env) { /* TODO, we probably need stuff here */ return 0; diff --git a/package/mac80211/src/net/wireless/util.c b/package/mac80211/src/net/wireless/util.c new file mode 100644 index 0000000..77336c2 --- /dev/null +++ b/package/mac80211/src/net/wireless/util.c @@ -0,0 +1,98 @@ +/* + * Wireless utility functions + * + * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> + */ +#include <net/wireless.h> +#include <asm/bitops.h> +#include "core.h" + +int ieee80211_channel_to_frequency(int chan) +{ + if (chan < 14) + return 2407 + chan * 5; + + if (chan == 14) + return 2484; + + /* FIXME: 802.11j 17.3.8.3.2 */ + return (chan + 1000) * 5; +} +EXPORT_SYMBOL(ieee80211_channel_to_frequency); + +int ieee80211_frequency_to_channel(int freq) +{ + if (freq == 2484) + return 14; + + if (freq < 2484) + return (freq - 2407) / 5; + + /* FIXME: 802.11j 17.3.8.3.2 */ + return freq/5 - 1000; +} +EXPORT_SYMBOL(ieee80211_frequency_to_channel); + +static void set_mandatory_flags_band(struct ieee80211_supported_band *sband, + enum ieee80211_band band) +{ + int i, want; + + switch (band) { + case IEEE80211_BAND_5GHZ: + want = 3; + for (i = 0; i < sband->n_bitrates; i++) { + if (sband->bitrates[i].bitrate == 60 || + sband->bitrates[i].bitrate == 120 || + sband->bitrates[i].bitrate == 240) { + sband->bitrates[i].flags |= + IEEE80211_RATE_MANDATORY_A; + want--; + } + } + WARN_ON(want); + break; + case IEEE80211_BAND_2GHZ: + want = 7; + for (i = 0; i < sband->n_bitrates; i++) { + if (sband->bitrates[i].bitrate == 10) { + sband->bitrates[i].flags |= + IEEE80211_RATE_MANDATORY_B | + IEEE80211_RATE_MANDATORY_G; + want--; + } + + if (sband->bitrates[i].bitrate == 20 || + sband->bitrates[i].bitrate == 55 || + sband->bitrates[i].bitrate == 110 || + sband->bitrates[i].bitrate == 60 || + sband->bitrates[i].bitrate == 120 || + sband->bitrates[i].bitrate == 240) { + sband->bitrates[i].flags |= + IEEE80211_RATE_MANDATORY_G; + want--; + } + + if (sband->bitrates[i].bitrate != 10 && + sband->bitrates[i].bitrate != 20 && + sband->bitrates[i].bitrate != 55 && + sband->bitrates[i].bitrate != 110) + sband->bitrates[i].flags |= + IEEE80211_RATE_ERP_G; + } + WARN_ON(want != 0 && want != 3 && want != 6); + break; + case IEEE80211_NUM_BANDS: + WARN_ON(1); + break; + } +} + +void ieee80211_set_bitrate_flags(struct wiphy *wiphy) +{ + enum ieee80211_band band; + + for (band = 0; band < IEEE80211_NUM_BANDS; band++) + if (wiphy->bands[band]) + set_mandatory_flags_band(wiphy->bands[band], band); +} diff --git a/package/mac80211/src/net/wireless/wext.c b/package/mac80211/src/net/wireless/wext.c new file mode 100644 index 0000000..a2d496f --- /dev/null +++ b/package/mac80211/src/net/wireless/wext.c @@ -0,0 +1,1522 @@ +/* + * This file implement the Wireless Extensions APIs. + * + * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> + * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved. + * + * (As all part of the Linux kernel, this file is GPL) + */ + +/************************** DOCUMENTATION **************************/ +/* + * API definition : + * -------------- + * See <linux/wireless.h> for details of the APIs and the rest. + * + * History : + * ------- + * + * v1 - 5.12.01 - Jean II + * o Created this file. + * + * v2 - 13.12.01 - Jean II + * o Move /proc/net/wireless stuff from net/core/dev.c to here + * o Make Wireless Extension IOCTLs go through here + * o Added iw_handler handling ;-) + * o Added standard ioctl description + * o Initial dumb commit strategy based on orinoco.c + * + * v3 - 19.12.01 - Jean II + * o Make sure we don't go out of standard_ioctl[] in ioctl_standard_call + * o Add event dispatcher function + * o Add event description + * o Propagate events as rtnetlink IFLA_WIRELESS option + * o Generate event on selected SET requests + * + * v4 - 18.04.02 - Jean II + * o Fix stupid off by one in iw_ioctl_description : IW_ESSID_MAX_SIZE + 1 + * + * v5 - 21.06.02 - Jean II + * o Add IW_PRIV_TYPE_ADDR in priv_type_size (+cleanup) + * o Reshuffle IW_HEADER_TYPE_XXX to map IW_PRIV_TYPE_XXX changes + * o Add IWEVCUSTOM for driver specific event/scanning token + * o Turn on WE_STRICT_WRITE by default + kernel warning + * o Fix WE_STRICT_WRITE in ioctl_export_private() (32 => iw_num) + * o Fix off-by-one in test (extra_size <= IFNAMSIZ) + * + * v6 - 9.01.03 - Jean II + * o Add common spy support : iw_handler_set_spy(), wireless_spy_update() + * o Add enhanced spy support : iw_handler_set_thrspy() and event. + * o Add WIRELESS_EXT version display in /proc/net/wireless + * + * v6 - 18.06.04 - Jean II + * o Change get_spydata() method for added safety + * o Remove spy #ifdef, they are always on -> cleaner code + * o Allow any size GET request if user specifies length > max + * and if request has IW_DESCR_FLAG_NOMAX flag or is SIOCGIWPRIV + * o Start migrating get_wireless_stats to struct iw_handler_def + * o Add wmb() in iw_handler_set_spy() for non-coherent archs/cpus + * Based on patch from Pavel Roskin <proski@gnu.org> : + * o Fix kernel data leak to user space in private handler handling + * + * v7 - 18.3.05 - Jean II + * o Remove (struct iw_point *)->pointer from events and streams + * o Remove spy_offset from struct iw_handler_def + * o Start deprecating dev->get_wireless_stats, output a warning + * o If IW_QUAL_DBM is set, show dBm values in /proc/net/wireless + * o Don't loose INVALID/DBM flags when clearing UPDATED flags (iwstats) + * + * v8 - 17.02.06 - Jean II + * o RtNetlink requests support (SET/GET) + * + * v8b - 03.08.06 - Herbert Xu + * o Fix Wireless Event locking issues. + * + * v9 - 14.3.06 - Jean II + * o Change length in ESSID and NICK to strlen() instead of strlen()+1 + * o Make standard_ioctl_num and standard_event_num unsigned + * o Remove (struct net_device *)->get_wireless_stats() + * + * v10 - 16.3.07 - Jean II + * o Prevent leaking of kernel space in stream on 64 bits. + */ + +/***************************** INCLUDES *****************************/ + +#include <linux/module.h> +#include <linux/types.h> /* off_t */ +#include <linux/netdevice.h> /* struct ifreq, dev_get_by_name() */ +#include <linux/proc_fs.h> +#include <linux/rtnetlink.h> /* rtnetlink stuff */ +#include <linux/seq_file.h> +#include <linux/init.h> /* for __init */ +#include <linux/if_arp.h> /* ARPHRD_ETHER */ +#include <linux/etherdevice.h> /* compare_ether_addr */ +#include <linux/interrupt.h> +#include <net/net_namespace.h> + +#include <linux/wireless.h> /* Pretty obvious */ +#include <net/iw_handler.h> /* New driver API */ +#include <net/netlink.h> +#include <net/wext.h> + +#include <asm/uaccess.h> /* copy_to_user() */ + +/************************* GLOBAL VARIABLES *************************/ +/* + * You should not use global variables, because of re-entrancy. + * On our case, it's only const, so it's OK... + */ +/* + * Meta-data about all the standard Wireless Extension request we + * know about. + */ +static const struct iw_ioctl_description standard_ioctl[] = { + [SIOCSIWCOMMIT - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_NULL, + }, + [SIOCGIWNAME - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_CHAR, + .flags = IW_DESCR_FLAG_DUMP, + }, + [SIOCSIWNWID - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + .flags = IW_DESCR_FLAG_EVENT, + }, + [SIOCGIWNWID - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + .flags = IW_DESCR_FLAG_DUMP, + }, + [SIOCSIWFREQ - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_FREQ, + .flags = IW_DESCR_FLAG_EVENT, + }, + [SIOCGIWFREQ - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_FREQ, + .flags = IW_DESCR_FLAG_DUMP, + }, + [SIOCSIWMODE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_UINT, + .flags = IW_DESCR_FLAG_EVENT, + }, + [SIOCGIWMODE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_UINT, + .flags = IW_DESCR_FLAG_DUMP, + }, + [SIOCSIWSENS - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCGIWSENS - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCSIWRANGE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_NULL, + }, + [SIOCGIWRANGE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = sizeof(struct iw_range), + .flags = IW_DESCR_FLAG_DUMP, + }, + [SIOCSIWPRIV - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_NULL, + }, + [SIOCGIWPRIV - SIOCIWFIRST] = { /* (handled directly by us) */ + .header_type = IW_HEADER_TYPE_POINT, + .token_size = sizeof(struct iw_priv_args), + .max_tokens = 16, + .flags = IW_DESCR_FLAG_NOMAX, + }, + [SIOCSIWSTATS - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_NULL, + }, + [SIOCGIWSTATS - SIOCIWFIRST] = { /* (handled directly by us) */ + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = sizeof(struct iw_statistics), + .flags = IW_DESCR_FLAG_DUMP, + }, + [SIOCSIWSPY - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = sizeof(struct sockaddr), + .max_tokens = IW_MAX_SPY, + }, + [SIOCGIWSPY - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = sizeof(struct sockaddr) + + sizeof(struct iw_quality), + .max_tokens = IW_MAX_SPY, + }, + [SIOCSIWTHRSPY - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = sizeof(struct iw_thrspy), + .min_tokens = 1, + .max_tokens = 1, + }, + [SIOCGIWTHRSPY - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = sizeof(struct iw_thrspy), + .min_tokens = 1, + .max_tokens = 1, + }, + [SIOCSIWAP - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_ADDR, + }, + [SIOCGIWAP - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_ADDR, + .flags = IW_DESCR_FLAG_DUMP, + }, + [SIOCSIWMLME - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .min_tokens = sizeof(struct iw_mlme), + .max_tokens = sizeof(struct iw_mlme), + }, + [SIOCGIWAPLIST - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = sizeof(struct sockaddr) + + sizeof(struct iw_quality), + .max_tokens = IW_MAX_AP, + .flags = IW_DESCR_FLAG_NOMAX, + }, + [SIOCSIWSCAN - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .min_tokens = 0, + .max_tokens = sizeof(struct iw_scan_req), + }, + [SIOCGIWSCAN - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_SCAN_MAX_DATA, + .flags = IW_DESCR_FLAG_NOMAX, + }, + [SIOCSIWESSID - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_ESSID_MAX_SIZE, + .flags = IW_DESCR_FLAG_EVENT, + }, + [SIOCGIWESSID - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_ESSID_MAX_SIZE, + .flags = IW_DESCR_FLAG_DUMP, + }, + [SIOCSIWNICKN - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_ESSID_MAX_SIZE, + }, + [SIOCGIWNICKN - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_ESSID_MAX_SIZE, + }, + [SIOCSIWRATE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCGIWRATE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCSIWRTS - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCGIWRTS - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCSIWFRAG - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCGIWFRAG - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCSIWTXPOW - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCGIWTXPOW - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCSIWRETRY - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCGIWRETRY - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCSIWENCODE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_ENCODING_TOKEN_MAX, + .flags = IW_DESCR_FLAG_EVENT | IW_DESCR_FLAG_RESTRICT, + }, + [SIOCGIWENCODE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_ENCODING_TOKEN_MAX, + .flags = IW_DESCR_FLAG_DUMP | IW_DESCR_FLAG_RESTRICT, + }, + [SIOCSIWPOWER - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCGIWPOWER - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCSIWGENIE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_GENERIC_IE_MAX, + }, + [SIOCGIWGENIE - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_GENERIC_IE_MAX, + }, + [SIOCSIWAUTH - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCGIWAUTH - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_PARAM, + }, + [SIOCSIWENCODEEXT - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .min_tokens = sizeof(struct iw_encode_ext), + .max_tokens = sizeof(struct iw_encode_ext) + + IW_ENCODING_TOKEN_MAX, + }, + [SIOCGIWENCODEEXT - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .min_tokens = sizeof(struct iw_encode_ext), + .max_tokens = sizeof(struct iw_encode_ext) + + IW_ENCODING_TOKEN_MAX, + }, + [SIOCSIWPMKSA - SIOCIWFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .min_tokens = sizeof(struct iw_pmksa), + .max_tokens = sizeof(struct iw_pmksa), + }, +}; +static const unsigned standard_ioctl_num = ARRAY_SIZE(standard_ioctl); + +/* + * Meta-data about all the additional standard Wireless Extension events + * we know about. + */ +static const struct iw_ioctl_description standard_event[] = { + [IWEVTXDROP - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_ADDR, + }, + [IWEVQUAL - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_QUAL, + }, + [IWEVCUSTOM - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_CUSTOM_MAX, + }, + [IWEVREGISTERED - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_ADDR, + }, + [IWEVEXPIRED - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_ADDR, + }, + [IWEVGENIE - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_GENERIC_IE_MAX, + }, + [IWEVMICHAELMICFAILURE - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = sizeof(struct iw_michaelmicfailure), + }, + [IWEVASSOCREQIE - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_GENERIC_IE_MAX, + }, + [IWEVASSOCRESPIE - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = IW_GENERIC_IE_MAX, + }, + [IWEVPMKIDCAND - IWEVFIRST] = { + .header_type = IW_HEADER_TYPE_POINT, + .token_size = 1, + .max_tokens = sizeof(struct iw_pmkid_cand), + }, +}; +static const unsigned standard_event_num = ARRAY_SIZE(standard_event); + +/* Size (in bytes) of the various private data types */ +static const char iw_priv_type_size[] = { + 0, /* IW_PRIV_TYPE_NONE */ + 1, /* IW_PRIV_TYPE_BYTE */ + 1, /* IW_PRIV_TYPE_CHAR */ + 0, /* Not defined */ + sizeof(__u32), /* IW_PRIV_TYPE_INT */ + sizeof(struct iw_freq), /* IW_PRIV_TYPE_FLOAT */ + sizeof(struct sockaddr), /* IW_PRIV_TYPE_ADDR */ + 0, /* Not defined */ +}; + +/* Size (in bytes) of various events */ +static const int event_type_size[] = { + IW_EV_LCP_LEN, /* IW_HEADER_TYPE_NULL */ + 0, + IW_EV_CHAR_LEN, /* IW_HEADER_TYPE_CHAR */ + 0, + IW_EV_UINT_LEN, /* IW_HEADER_TYPE_UINT */ + IW_EV_FREQ_LEN, /* IW_HEADER_TYPE_FREQ */ + IW_EV_ADDR_LEN, /* IW_HEADER_TYPE_ADDR */ + 0, + IW_EV_POINT_LEN, /* Without variable payload */ + IW_EV_PARAM_LEN, /* IW_HEADER_TYPE_PARAM */ + IW_EV_QUAL_LEN, /* IW_HEADER_TYPE_QUAL */ +}; + + +/************************ COMMON SUBROUTINES ************************/ +/* + * Stuff that may be used in various place or doesn't fit in one + * of the section below. + */ + +/* ---------------------------------------------------------------- */ +/* + * Return the driver handler associated with a specific Wireless Extension. + */ +static iw_handler get_handler(struct net_device *dev, unsigned int cmd) +{ + /* Don't "optimise" the following variable, it will crash */ + unsigned int index; /* *MUST* be unsigned */ + + /* Check if we have some wireless handlers defined */ + if (dev->wireless_handlers == NULL) + return NULL; + + /* Try as a standard command */ + index = cmd - SIOCIWFIRST; + if (index < dev->wireless_handlers->num_standard) + return dev->wireless_handlers->standard[index]; + + /* Try as a private command */ + index = cmd - SIOCIWFIRSTPRIV; + if (index < dev->wireless_handlers->num_private) + return dev->wireless_handlers->private[index]; + + /* Not found */ + return NULL; +} + +/* ---------------------------------------------------------------- */ +/* + * Get statistics out of the driver + */ +static struct iw_statistics *get_wireless_stats(struct net_device *dev) +{ + /* New location */ + if ((dev->wireless_handlers != NULL) && + (dev->wireless_handlers->get_wireless_stats != NULL)) + return dev->wireless_handlers->get_wireless_stats(dev); + + /* Not found */ + return NULL; +} + +/* ---------------------------------------------------------------- */ +/* + * Call the commit handler in the driver + * (if exist and if conditions are right) + * + * Note : our current commit strategy is currently pretty dumb, + * but we will be able to improve on that... + * The goal is to try to agreagate as many changes as possible + * before doing the commit. Drivers that will define a commit handler + * are usually those that need a reset after changing parameters, so + * we want to minimise the number of reset. + * A cool idea is to use a timer : at each "set" command, we re-set the + * timer, when the timer eventually fires, we call the driver. + * Hopefully, more on that later. + * + * Also, I'm waiting to see how many people will complain about the + * netif_running(dev) test. I'm open on that one... + * Hopefully, the driver will remember to do a commit in "open()" ;-) + */ +static int call_commit_handler(struct net_device *dev) +{ + if ((netif_running(dev)) && + (dev->wireless_handlers->standard[0] != NULL)) + /* Call the commit handler on the driver */ + return dev->wireless_handlers->standard[0](dev, NULL, + NULL, NULL); + else + return 0; /* Command completed successfully */ +} + +/* ---------------------------------------------------------------- */ +/* + * Calculate size of private arguments + */ +static inline int get_priv_size(__u16 args) +{ + int num = args & IW_PRIV_SIZE_MASK; + int type = (args & IW_PRIV_TYPE_MASK) >> 12; + + return num * iw_priv_type_size[type]; +} + +/* ---------------------------------------------------------------- */ +/* + * Re-calculate the size of private arguments + */ +static inline int adjust_priv_size(__u16 args, + union iwreq_data * wrqu) +{ + int num = wrqu->data.length; + int max = args & IW_PRIV_SIZE_MASK; + int type = (args & IW_PRIV_TYPE_MASK) >> 12; + + /* Make sure the driver doesn't goof up */ + if (max < num) + num = max; + + return num * iw_priv_type_size[type]; +} + +/* ---------------------------------------------------------------- */ +/* + * Standard Wireless Handler : get wireless stats + * Allow programatic access to /proc/net/wireless even if /proc + * doesn't exist... Also more efficient... + */ +static int iw_handler_get_iwstats(struct net_device * dev, + struct iw_request_info * info, + union iwreq_data * wrqu, + char * extra) +{ + /* Get stats from the driver */ + struct iw_statistics *stats; + + stats = get_wireless_stats(dev); + if (stats) { + /* Copy statistics to extra */ + memcpy(extra, stats, sizeof(struct iw_statistics)); + wrqu->data.length = sizeof(struct iw_statistics); + + /* Check if we need to clear the updated flag */ + if (wrqu->data.flags != 0) + stats->qual.updated &= ~IW_QUAL_ALL_UPDATED; + return 0; + } else + return -EOPNOTSUPP; +} + +/* ---------------------------------------------------------------- */ +/* + * Standard Wireless Handler : get iwpriv definitions + * Export the driver private handler definition + * They will be picked up by tools like iwpriv... + */ +static int iw_handler_get_private(struct net_device * dev, + struct iw_request_info * info, + union iwreq_data * wrqu, + char * extra) +{ + /* Check if the driver has something to export */ + if ((dev->wireless_handlers->num_private_args == 0) || + (dev->wireless_handlers->private_args == NULL)) + return -EOPNOTSUPP; + + /* Check if there is enough buffer up there */ + if (wrqu->data.length < dev->wireless_handlers->num_private_args) { + /* User space can't know in advance how large the buffer + * needs to be. Give it a hint, so that we can support + * any size buffer we want somewhat efficiently... */ + wrqu->data.length = dev->wireless_handlers->num_private_args; + return -E2BIG; + } + + /* Set the number of available ioctls. */ + wrqu->data.length = dev->wireless_handlers->num_private_args; + + /* Copy structure to the user buffer. */ + memcpy(extra, dev->wireless_handlers->private_args, + sizeof(struct iw_priv_args) * wrqu->data.length); + + return 0; +} + + +/******************** /proc/net/wireless SUPPORT ********************/ +/* + * The /proc/net/wireless file is a human readable user-space interface + * exporting various wireless specific statistics from the wireless devices. + * This is the most popular part of the Wireless Extensions ;-) + * + * This interface is a pure clone of /proc/net/dev (in net/core/dev.c). + * The content of the file is basically the content of "struct iw_statistics". + */ + +#ifdef CONFIG_PROC_FS + +/* ---------------------------------------------------------------- */ +/* + * Print one entry (line) of /proc/net/wireless + */ +static void wireless_seq_printf_stats(struct seq_file *seq, + struct net_device *dev) +{ + /* Get stats from the driver */ + struct iw_statistics *stats = get_wireless_stats(dev); + + if (stats) { + seq_printf(seq, "%6s: %04x %3d%c %3d%c %3d%c %6d %6d %6d " + "%6d %6d %6d\n", + dev->name, stats->status, stats->qual.qual, + stats->qual.updated & IW_QUAL_QUAL_UPDATED + ? '.' : ' ', + ((__s32) stats->qual.level) - + ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0), + stats->qual.updated & IW_QUAL_LEVEL_UPDATED + ? '.' : ' ', + ((__s32) stats->qual.noise) - + ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0), + stats->qual.updated & IW_QUAL_NOISE_UPDATED + ? '.' : ' ', + stats->discard.nwid, stats->discard.code, + stats->discard.fragment, stats->discard.retries, + stats->discard.misc, stats->miss.beacon); + stats->qual.updated &= ~IW_QUAL_ALL_UPDATED; + } +} + +/* ---------------------------------------------------------------- */ +/* + * Print info for /proc/net/wireless (print all entries) + */ +static int wireless_seq_show(struct seq_file *seq, void *v) +{ + if (v == SEQ_START_TOKEN) + seq_printf(seq, "Inter-| sta-| Quality | Discarded " + "packets | Missed | WE\n" + " face | tus | link level noise | nwid " + "crypt frag retry misc | beacon | %d\n", + WIRELESS_EXT); + else + wireless_seq_printf_stats(seq, v); + return 0; +} + +static const struct seq_operations wireless_seq_ops = { + .start = dev_seq_start, + .next = dev_seq_next, + .stop = dev_seq_stop, + .show = wireless_seq_show, +}; + +static int wireless_seq_open(struct inode *inode, struct file *file) +{ + struct seq_file *seq; + int res; + res = seq_open(file, &wireless_seq_ops); + if (!res) { + seq = file->private_data; + seq->private = get_proc_net(inode); + if (!seq->private) { + seq_release(inode, file); + res = -ENXIO; + } + } + return res; +} + +static int wireless_seq_release(struct inode *inode, struct file *file) +{ + struct seq_file *seq = file->private_data; + struct net *net = seq->private; + put_net(net); + return seq_release(inode, file); +} + +static const struct file_operations wireless_seq_fops = { + .owner = THIS_MODULE, + .open = wireless_seq_open, + .read = seq_read, + .llseek = seq_lseek, + .release = wireless_seq_release, +}; + +int wext_proc_init(struct net *net) +{ + /* Create /proc/net/wireless entry */ + if (!proc_net_fops_create(net, "wireless", S_IRUGO, &wireless_seq_fops)) + return -ENOMEM; + + return 0; +} + +void wext_proc_exit(struct net *net) +{ + proc_net_remove(net, "wireless"); +} +#endif /* CONFIG_PROC_FS */ + +/************************** IOCTL SUPPORT **************************/ +/* + * The original user space API to configure all those Wireless Extensions + * is through IOCTLs. + * In there, we check if we need to call the new driver API (iw_handler) + * or just call the driver ioctl handler. + */ + +/* ---------------------------------------------------------------- */ +/* + * Wrapper to call a standard Wireless Extension handler. + * We do various checks and also take care of moving data between + * user space and kernel space. + */ +static int ioctl_standard_call(struct net_device * dev, + struct ifreq * ifr, + unsigned int cmd, + iw_handler handler) +{ + struct iwreq * iwr = (struct iwreq *) ifr; + const struct iw_ioctl_description * descr; + struct iw_request_info info; + int ret = -EINVAL; + + /* Get the description of the IOCTL */ + if ((cmd - SIOCIWFIRST) >= standard_ioctl_num) + return -EOPNOTSUPP; + descr = &(standard_ioctl[cmd - SIOCIWFIRST]); + + /* Prepare the call */ + info.cmd = cmd; + info.flags = 0; + + /* Check if we have a pointer to user space data or not */ + if (descr->header_type != IW_HEADER_TYPE_POINT) { + + /* No extra arguments. Trivial to handle */ + ret = handler(dev, &info, &(iwr->u), NULL); + + /* Generate an event to notify listeners of the change */ + if ((descr->flags & IW_DESCR_FLAG_EVENT) && + ((ret == 0) || (ret == -EIWCOMMIT))) + wireless_send_event(dev, cmd, &(iwr->u), NULL); + } else { + char * extra; + int extra_size; + int user_length = 0; + int err; + int essid_compat = 0; + + /* Calculate space needed by arguments. Always allocate + * for max space. Easier, and won't last long... */ + extra_size = descr->max_tokens * descr->token_size; + + /* Check need for ESSID compatibility for WE < 21 */ + switch (cmd) { + case SIOCSIWESSID: + case SIOCGIWESSID: + case SIOCSIWNICKN: + case SIOCGIWNICKN: + if (iwr->u.data.length == descr->max_tokens + 1) + essid_compat = 1; + else if (IW_IS_SET(cmd) && (iwr->u.data.length != 0)) { + char essid[IW_ESSID_MAX_SIZE + 1]; + + err = copy_from_user(essid, iwr->u.data.pointer, + iwr->u.data.length * + descr->token_size); + if (err) + return -EFAULT; + + if (essid[iwr->u.data.length - 1] == '\0') + essid_compat = 1; + } + break; + default: + break; + } + + iwr->u.data.length -= essid_compat; + + /* Check what user space is giving us */ + if (IW_IS_SET(cmd)) { + /* Check NULL pointer */ + if ((iwr->u.data.pointer == NULL) && + (iwr->u.data.length != 0)) + return -EFAULT; + /* Check if number of token fits within bounds */ + if (iwr->u.data.length > descr->max_tokens) + return -E2BIG; + if (iwr->u.data.length < descr->min_tokens) + return -EINVAL; + } else { + /* Check NULL pointer */ + if (iwr->u.data.pointer == NULL) + return -EFAULT; + /* Save user space buffer size for checking */ + user_length = iwr->u.data.length; + + /* Don't check if user_length > max to allow forward + * compatibility. The test user_length < min is + * implied by the test at the end. */ + + /* Support for very large requests */ + if ((descr->flags & IW_DESCR_FLAG_NOMAX) && + (user_length > descr->max_tokens)) { + /* Allow userspace to GET more than max so + * we can support any size GET requests. + * There is still a limit : -ENOMEM. */ + extra_size = user_length * descr->token_size; + /* Note : user_length is originally a __u16, + * and token_size is controlled by us, + * so extra_size won't get negative and + * won't overflow... */ + } + } + + /* Create the kernel buffer */ + /* kzalloc ensures NULL-termination for essid_compat */ + extra = kzalloc(extra_size, GFP_KERNEL); + if (extra == NULL) + return -ENOMEM; + + /* If it is a SET, get all the extra data in here */ + if (IW_IS_SET(cmd) && (iwr->u.data.length != 0)) { + err = copy_from_user(extra, iwr->u.data.pointer, + iwr->u.data.length * + descr->token_size); + if (err) { + kfree(extra); + return -EFAULT; + } + } + + /* Call the handler */ + ret = handler(dev, &info, &(iwr->u), extra); + + iwr->u.data.length += essid_compat; + + /* If we have something to return to the user */ + if (!ret && IW_IS_GET(cmd)) { + /* Check if there is enough buffer up there */ + if (user_length < iwr->u.data.length) { + kfree(extra); + return -E2BIG; + } + + err = copy_to_user(iwr->u.data.pointer, extra, + iwr->u.data.length * + descr->token_size); + if (err) + ret = -EFAULT; + } + + /* Generate an event to notify listeners of the change */ + if ((descr->flags & IW_DESCR_FLAG_EVENT) && + ((ret == 0) || (ret == -EIWCOMMIT))) { + if (descr->flags & IW_DESCR_FLAG_RESTRICT) + /* If the event is restricted, don't + * export the payload */ + wireless_send_event(dev, cmd, &(iwr->u), NULL); + else + wireless_send_event(dev, cmd, &(iwr->u), + extra); + } + + /* Cleanup - I told you it wasn't that long ;-) */ + kfree(extra); + } + + /* Call commit handler if needed and defined */ + if (ret == -EIWCOMMIT) + ret = call_commit_handler(dev); + + /* Here, we will generate the appropriate event if needed */ + + return ret; +} + +/* ---------------------------------------------------------------- */ +/* + * Wrapper to call a private Wireless Extension handler. + * We do various checks and also take care of moving data between + * user space and kernel space. + * It's not as nice and slimline as the standard wrapper. The cause + * is struct iw_priv_args, which was not really designed for the + * job we are going here. + * + * IMPORTANT : This function prevent to set and get data on the same + * IOCTL and enforce the SET/GET convention. Not doing it would be + * far too hairy... + * If you need to set and get data at the same time, please don't use + * a iw_handler but process it in your ioctl handler (i.e. use the + * old driver API). + */ +static int ioctl_private_call(struct net_device *dev, struct ifreq *ifr, + unsigned int cmd, iw_handler handler) +{ + struct iwreq * iwr = (struct iwreq *) ifr; + const struct iw_priv_args * descr = NULL; + struct iw_request_info info; + int extra_size = 0; + int i; + int ret = -EINVAL; + + /* Get the description of the IOCTL */ + for (i = 0; i < dev->wireless_handlers->num_private_args; i++) + if (cmd == dev->wireless_handlers->private_args[i].cmd) { + descr = &(dev->wireless_handlers->private_args[i]); + break; + } + + /* Compute the size of the set/get arguments */ + if (descr != NULL) { + if (IW_IS_SET(cmd)) { + int offset = 0; /* For sub-ioctls */ + /* Check for sub-ioctl handler */ + if (descr->name[0] == '\0') + /* Reserve one int for sub-ioctl index */ + offset = sizeof(__u32); + + /* Size of set arguments */ + extra_size = get_priv_size(descr->set_args); + + /* Does it fits in iwr ? */ + if ((descr->set_args & IW_PRIV_SIZE_FIXED) && + ((extra_size + offset) <= IFNAMSIZ)) + extra_size = 0; + } else { + /* Size of get arguments */ + extra_size = get_priv_size(descr->get_args); + + /* Does it fits in iwr ? */ + if ((descr->get_args & IW_PRIV_SIZE_FIXED) && + (extra_size <= IFNAMSIZ)) + extra_size = 0; + } + } + + /* Prepare the call */ + info.cmd = cmd; + info.flags = 0; + + /* Check if we have a pointer to user space data or not. */ + if (extra_size == 0) { + /* No extra arguments. Trivial to handle */ + ret = handler(dev, &info, &(iwr->u), (char *) &(iwr->u)); + } else { + char * extra; + int err; + + /* Check what user space is giving us */ + if (IW_IS_SET(cmd)) { + /* Check NULL pointer */ + if ((iwr->u.data.pointer == NULL) && + (iwr->u.data.length != 0)) + return -EFAULT; + + /* Does it fits within bounds ? */ + if (iwr->u.data.length > (descr->set_args & + IW_PRIV_SIZE_MASK)) + return -E2BIG; + } else if (iwr->u.data.pointer == NULL) + return -EFAULT; + + /* Always allocate for max space. Easier, and won't last + * long... */ + extra = kmalloc(extra_size, GFP_KERNEL); + if (extra == NULL) + return -ENOMEM; + + /* If it is a SET, get all the extra data in here */ + if (IW_IS_SET(cmd) && (iwr->u.data.length != 0)) { + err = copy_from_user(extra, iwr->u.data.pointer, + extra_size); + if (err) { + kfree(extra); + return -EFAULT; + } + } + + /* Call the handler */ + ret = handler(dev, &info, &(iwr->u), extra); + + /* If we have something to return to the user */ + if (!ret && IW_IS_GET(cmd)) { + + /* Adjust for the actual length if it's variable, + * avoid leaking kernel bits outside. */ + if (!(descr->get_args & IW_PRIV_SIZE_FIXED)) { + extra_size = adjust_priv_size(descr->get_args, + &(iwr->u)); + } + + err = copy_to_user(iwr->u.data.pointer, extra, + extra_size); + if (err) + ret = -EFAULT; + } + + /* Cleanup - I told you it wasn't that long ;-) */ + kfree(extra); + } + + + /* Call commit handler if needed and defined */ + if (ret == -EIWCOMMIT) + ret = call_commit_handler(dev); + + return ret; +} + +/* ---------------------------------------------------------------- */ +/* + * Main IOCTl dispatcher. + * Check the type of IOCTL and call the appropriate wrapper... + */ +static int wireless_process_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd) +{ + struct net_device *dev; + iw_handler handler; + + /* Permissions are already checked in dev_ioctl() before calling us. + * The copy_to/from_user() of ifr is also dealt with in there */ + + /* Make sure the device exist */ + if ((dev = __dev_get_by_name(net, ifr->ifr_name)) == NULL) + return -ENODEV; + + /* A bunch of special cases, then the generic case... + * Note that 'cmd' is already filtered in dev_ioctl() with + * (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) */ + if (cmd == SIOCGIWSTATS) + return ioctl_standard_call(dev, ifr, cmd, + &iw_handler_get_iwstats); + + if (cmd == SIOCGIWPRIV && dev->wireless_handlers) + return ioctl_standard_call(dev, ifr, cmd, + &iw_handler_get_private); + + /* Basic check */ + if (!netif_device_present(dev)) + return -ENODEV; + + /* New driver API : try to find the handler */ + handler = get_handler(dev, cmd); + if (handler) { + /* Standard and private are not the same */ + if (cmd < SIOCIWFIRSTPRIV) + return ioctl_standard_call(dev, ifr, cmd, handler); + else + return ioctl_private_call(dev, ifr, cmd, handler); + } + /* Old driver API : call driver ioctl handler */ + if (dev->do_ioctl) + return dev->do_ioctl(dev, ifr, cmd); + return -EOPNOTSUPP; +} + +/* entry point from dev ioctl */ +int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd, + void __user *arg) +{ + int ret; + + /* If command is `set a parameter', or + * `get the encoding parameters', check if + * the user has the right to do it */ + if ((IW_IS_SET(cmd) || cmd == SIOCGIWENCODE || cmd == SIOCGIWENCODEEXT) + && !capable(CAP_NET_ADMIN)) + return -EPERM; + + dev_load(net, ifr->ifr_name); + rtnl_lock(); + ret = wireless_process_ioctl(net, ifr, cmd); + rtnl_unlock(); + if (IW_IS_GET(cmd) && copy_to_user(arg, ifr, sizeof(struct iwreq))) + return -EFAULT; + return ret; +} + +/************************* EVENT PROCESSING *************************/ +/* + * Process events generated by the wireless layer or the driver. + * Most often, the event will be propagated through rtnetlink + */ + +/* ---------------------------------------------------------------- */ +/* + * Locking... + * ---------- + * + * Thanks to Herbert Xu <herbert@gondor.apana.org.au> for fixing + * the locking issue in here and implementing this code ! + * + * The issue : wireless_send_event() is often called in interrupt context, + * while the Netlink layer can never be called in interrupt context. + * The fully formed RtNetlink events are queued, and then a tasklet is run + * to feed those to Netlink. + * The skb_queue is interrupt safe, and its lock is not held while calling + * Netlink, so there is no possibility of dealock. + * Jean II + */ + +static struct sk_buff_head wireless_nlevent_queue; + +static int __init wireless_nlevent_init(void) +{ + skb_queue_head_init(&wireless_nlevent_queue); + return 0; +} + +subsys_initcall(wireless_nlevent_init); + +static void wireless_nlevent_process(unsigned long data) +{ + struct sk_buff *skb; + + while ((skb = skb_dequeue(&wireless_nlevent_queue))) + rtnl_notify(skb, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); +} + +static DECLARE_TASKLET(wireless_nlevent_tasklet, wireless_nlevent_process, 0); + +/* ---------------------------------------------------------------- */ +/* + * Fill a rtnetlink message with our event data. + * Note that we propage only the specified event and don't dump the + * current wireless config. Dumping the wireless config is far too + * expensive (for each parameter, the driver need to query the hardware). + */ +static int rtnetlink_fill_iwinfo(struct sk_buff *skb, struct net_device *dev, + int type, char *event, int event_len) +{ + struct ifinfomsg *r; + struct nlmsghdr *nlh; + + nlh = nlmsg_put(skb, 0, 0, type, sizeof(*r), 0); + if (nlh == NULL) + return -EMSGSIZE; + + r = nlmsg_data(nlh); + r->ifi_family = AF_UNSPEC; + r->__ifi_pad = 0; + r->ifi_type = dev->type; + r->ifi_index = dev->ifindex; + r->ifi_flags = dev_get_flags(dev); + r->ifi_change = 0; /* Wireless changes don't affect those flags */ + + /* Add the wireless events in the netlink packet */ + NLA_PUT(skb, IFLA_WIRELESS, event_len, event); + + return nlmsg_end(skb, nlh); + +nla_put_failure: + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; +} + +/* ---------------------------------------------------------------- */ +/* + * Create and broadcast and send it on the standard rtnetlink socket + * This is a pure clone rtmsg_ifinfo() in net/core/rtnetlink.c + * Andrzej Krzysztofowicz mandated that I used a IFLA_XXX field + * within a RTM_NEWLINK event. + */ +static void rtmsg_iwinfo(struct net_device *dev, char *event, int event_len) +{ + struct sk_buff *skb; + int err; + + skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); + if (!skb) + return; + + err = rtnetlink_fill_iwinfo(skb, dev, RTM_NEWLINK, event, event_len); + if (err < 0) { + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + return; + } + + NETLINK_CB(skb).dst_group = RTNLGRP_LINK; + skb_queue_tail(&wireless_nlevent_queue, skb); + tasklet_schedule(&wireless_nlevent_tasklet); +} + +/* ---------------------------------------------------------------- */ +/* + * Main event dispatcher. Called from other parts and drivers. + * Send the event on the appropriate channels. + * May be called from interrupt context. + */ +void wireless_send_event(struct net_device * dev, + unsigned int cmd, + union iwreq_data * wrqu, + char * extra) +{ + const struct iw_ioctl_description * descr = NULL; + int extra_len = 0; + struct iw_event *event; /* Mallocated whole event */ + int event_len; /* Its size */ + int hdr_len; /* Size of the event header */ + int wrqu_off = 0; /* Offset in wrqu */ + /* Don't "optimise" the following variable, it will crash */ + unsigned cmd_index; /* *MUST* be unsigned */ + + /* Get the description of the Event */ + if (cmd <= SIOCIWLAST) { + cmd_index = cmd - SIOCIWFIRST; + if (cmd_index < standard_ioctl_num) + descr = &(standard_ioctl[cmd_index]); + } else { + cmd_index = cmd - IWEVFIRST; + if (cmd_index < standard_event_num) + descr = &(standard_event[cmd_index]); + } + /* Don't accept unknown events */ + if (descr == NULL) { + /* Note : we don't return an error to the driver, because + * the driver would not know what to do about it. It can't + * return an error to the user, because the event is not + * initiated by a user request. + * The best the driver could do is to log an error message. + * We will do it ourselves instead... + */ + printk(KERN_ERR "%s (WE) : Invalid/Unknown Wireless Event (0x%04X)\n", + dev->name, cmd); + return; + } + + /* Check extra parameters and set extra_len */ + if (descr->header_type == IW_HEADER_TYPE_POINT) { + /* Check if number of token fits within bounds */ + if (wrqu->data.length > descr->max_tokens) { + printk(KERN_ERR "%s (WE) : Wireless Event too big (%d)\n", dev->name, wrqu->data.length); + return; + } + if (wrqu->data.length < descr->min_tokens) { + printk(KERN_ERR "%s (WE) : Wireless Event too small (%d)\n", dev->name, wrqu->data.length); + return; + } + /* Calculate extra_len - extra is NULL for restricted events */ + if (extra != NULL) + extra_len = wrqu->data.length * descr->token_size; + /* Always at an offset in wrqu */ + wrqu_off = IW_EV_POINT_OFF; + } + + /* Total length of the event */ + hdr_len = event_type_size[descr->header_type]; + event_len = hdr_len + extra_len; + + /* Create temporary buffer to hold the event */ + event = kmalloc(event_len, GFP_ATOMIC); + if (event == NULL) + return; + + /* Fill event */ + event->len = event_len; + event->cmd = cmd; + memcpy(&event->u, ((char *) wrqu) + wrqu_off, hdr_len - IW_EV_LCP_LEN); + if (extra) + memcpy(((char *) event) + hdr_len, extra, extra_len); + + /* Send via the RtNetlink event channel */ + rtmsg_iwinfo(dev, (char *) event, event_len); + + /* Cleanup */ + kfree(event); + + return; /* Always success, I guess ;-) */ +} +EXPORT_SYMBOL(wireless_send_event); + +/********************** ENHANCED IWSPY SUPPORT **********************/ +/* + * In the old days, the driver was handling spy support all by itself. + * Now, the driver can delegate this task to Wireless Extensions. + * It needs to use those standard spy iw_handler in struct iw_handler_def, + * push data to us via wireless_spy_update() and include struct iw_spy_data + * in its private part (and export it in net_device->wireless_data->spy_data). + * One of the main advantage of centralising spy support here is that + * it becomes much easier to improve and extend it without having to touch + * the drivers. One example is the addition of the Spy-Threshold events. + */ + +/* ---------------------------------------------------------------- */ +/* + * Return the pointer to the spy data in the driver. + * Because this is called on the Rx path via wireless_spy_update(), + * we want it to be efficient... + */ +static inline struct iw_spy_data *get_spydata(struct net_device *dev) +{ + /* This is the new way */ + if (dev->wireless_data) + return dev->wireless_data->spy_data; + return NULL; +} + +/*------------------------------------------------------------------*/ +/* + * Standard Wireless Handler : set Spy List + */ +int iw_handler_set_spy(struct net_device * dev, + struct iw_request_info * info, + union iwreq_data * wrqu, + char * extra) +{ + struct iw_spy_data * spydata = get_spydata(dev); + struct sockaddr * address = (struct sockaddr *) extra; + + /* Make sure driver is not buggy or using the old API */ + if (!spydata) + return -EOPNOTSUPP; + + /* Disable spy collection while we copy the addresses. + * While we copy addresses, any call to wireless_spy_update() + * will NOP. This is OK, as anyway the addresses are changing. */ + spydata->spy_number = 0; + + /* We want to operate without locking, because wireless_spy_update() + * most likely will happen in the interrupt handler, and therefore + * have its own locking constraints and needs performance. + * The rtnl_lock() make sure we don't race with the other iw_handlers. + * This make sure wireless_spy_update() "see" that the spy list + * is temporarily disabled. */ + smp_wmb(); + + /* Are there are addresses to copy? */ + if (wrqu->data.length > 0) { + int i; + + /* Copy addresses */ + for (i = 0; i < wrqu->data.length; i++) + memcpy(spydata->spy_address[i], address[i].sa_data, + ETH_ALEN); + /* Reset stats */ + memset(spydata->spy_stat, 0, + sizeof(struct iw_quality) * IW_MAX_SPY); + } + + /* Make sure above is updated before re-enabling */ + smp_wmb(); + + /* Enable addresses */ + spydata->spy_number = wrqu->data.length; + + return 0; +} +EXPORT_SYMBOL(iw_handler_set_spy); + +/*------------------------------------------------------------------*/ +/* + * Standard Wireless Handler : get Spy List + */ +int iw_handler_get_spy(struct net_device * dev, + struct iw_request_info * info, + union iwreq_data * wrqu, + char * extra) +{ + struct iw_spy_data * spydata = get_spydata(dev); + struct sockaddr * address = (struct sockaddr *) extra; + int i; + + /* Make sure driver is not buggy or using the old API */ + if (!spydata) + return -EOPNOTSUPP; + + wrqu->data.length = spydata->spy_number; + + /* Copy addresses. */ + for (i = 0; i < spydata->spy_number; i++) { + memcpy(address[i].sa_data, spydata->spy_address[i], ETH_ALEN); + address[i].sa_family = AF_UNIX; + } + /* Copy stats to the user buffer (just after). */ + if (spydata->spy_number > 0) + memcpy(extra + (sizeof(struct sockaddr) *spydata->spy_number), + spydata->spy_stat, + sizeof(struct iw_quality) * spydata->spy_number); + /* Reset updated flags. */ + for (i = 0; i < spydata->spy_number; i++) + spydata->spy_stat[i].updated &= ~IW_QUAL_ALL_UPDATED; + return 0; +} +EXPORT_SYMBOL(iw_handler_get_spy); + +/*------------------------------------------------------------------*/ +/* + * Standard Wireless Handler : set spy threshold + */ +int iw_handler_set_thrspy(struct net_device * dev, + struct iw_request_info *info, + union iwreq_data * wrqu, + char * extra) +{ + struct iw_spy_data * spydata = get_spydata(dev); + struct iw_thrspy * threshold = (struct iw_thrspy *) extra; + + /* Make sure driver is not buggy or using the old API */ + if (!spydata) + return -EOPNOTSUPP; + + /* Just do it */ + memcpy(&(spydata->spy_thr_low), &(threshold->low), + 2 * sizeof(struct iw_quality)); + + /* Clear flag */ + memset(spydata->spy_thr_under, '\0', sizeof(spydata->spy_thr_under)); + + return 0; +} +EXPORT_SYMBOL(iw_handler_set_thrspy); + +/*------------------------------------------------------------------*/ +/* + * Standard Wireless Handler : get spy threshold + */ +int iw_handler_get_thrspy(struct net_device * dev, + struct iw_request_info *info, + union iwreq_data * wrqu, + char * extra) +{ + struct iw_spy_data * spydata = get_spydata(dev); + struct iw_thrspy * threshold = (struct iw_thrspy *) extra; + + /* Make sure driver is not buggy or using the old API */ + if (!spydata) + return -EOPNOTSUPP; + + /* Just do it */ + memcpy(&(threshold->low), &(spydata->spy_thr_low), + 2 * sizeof(struct iw_quality)); + + return 0; +} +EXPORT_SYMBOL(iw_handler_get_thrspy); + +/*------------------------------------------------------------------*/ +/* + * Prepare and send a Spy Threshold event + */ +static void iw_send_thrspy_event(struct net_device * dev, + struct iw_spy_data * spydata, + unsigned char * address, + struct iw_quality * wstats) +{ + union iwreq_data wrqu; + struct iw_thrspy threshold; + + /* Init */ + wrqu.data.length = 1; + wrqu.data.flags = 0; + /* Copy address */ + memcpy(threshold.addr.sa_data, address, ETH_ALEN); + threshold.addr.sa_family = ARPHRD_ETHER; + /* Copy stats */ + memcpy(&(threshold.qual), wstats, sizeof(struct iw_quality)); + /* Copy also thresholds */ + memcpy(&(threshold.low), &(spydata->spy_thr_low), + 2 * sizeof(struct iw_quality)); + + /* Send event to user space */ + wireless_send_event(dev, SIOCGIWTHRSPY, &wrqu, (char *) &threshold); +} + +/* ---------------------------------------------------------------- */ +/* + * Call for the driver to update the spy data. + * For now, the spy data is a simple array. As the size of the array is + * small, this is good enough. If we wanted to support larger number of + * spy addresses, we should use something more efficient... + */ +void wireless_spy_update(struct net_device * dev, + unsigned char * address, + struct iw_quality * wstats) +{ + struct iw_spy_data * spydata = get_spydata(dev); + int i; + int match = -1; + + /* Make sure driver is not buggy or using the old API */ + if (!spydata) + return; + + /* Update all records that match */ + for (i = 0; i < spydata->spy_number; i++) + if (!compare_ether_addr(address, spydata->spy_address[i])) { + memcpy(&(spydata->spy_stat[i]), wstats, + sizeof(struct iw_quality)); + match = i; + } + + /* Generate an event if we cross the spy threshold. + * To avoid event storms, we have a simple hysteresis : we generate + * event only when we go under the low threshold or above the + * high threshold. */ + if (match >= 0) { + if (spydata->spy_thr_under[match]) { + if (wstats->level > spydata->spy_thr_high.level) { + spydata->spy_thr_under[match] = 0; + iw_send_thrspy_event(dev, spydata, + address, wstats); + } + } else { + if (wstats->level < spydata->spy_thr_low.level) { + spydata->spy_thr_under[match] = 1; + iw_send_thrspy_event(dev, spydata, + address, wstats); + } + } + } +} +EXPORT_SYMBOL(wireless_spy_update); |