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Diffstat (limited to 'package/d80211/src/include/net/d80211.h')
| -rw-r--r-- | package/d80211/src/include/net/d80211.h | 1002 |
1 files changed, 0 insertions, 1002 deletions
diff --git a/package/d80211/src/include/net/d80211.h b/package/d80211/src/include/net/d80211.h deleted file mode 100644 index 65a5d36..0000000 --- a/package/d80211/src/include/net/d80211.h +++ /dev/null @@ -1,1002 +0,0 @@ -/* - * Low-level hardware driver -- IEEE 802.11 driver (80211.o) interface - * Copyright 2002-2005, 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 D80211_H -#define D80211_H - -#include <linux/kernel.h> -#include <linux/if_ether.h> -#include <linux/skbuff.h> -#include <linux/wireless.h> -#include <linux/device.h> -#include <linux/ieee80211.h> - -/* Note! Only ieee80211_tx_status_irqsafe() and ieee80211_rx_irqsafe() can be - * called in hardware interrupt context. The low-level driver must not call any - * other functions in hardware interrupt context. If there is a need for such - * call, the low-level driver should first ACK the interrupt and perform the - * IEEE 802.11 code call after this, e.g., from a scheduled tasklet (in - * software interrupt context). - */ - -/* - * Frame format used when passing frame between low-level hardware drivers - * and IEEE 802.11 driver the same as used in the wireless media, i.e., - * buffers start with IEEE 802.11 header and include the same octets that - * are sent over air. - * - * If hardware uses IEEE 802.3 headers (and perform 802.3 <-> 802.11 - * conversion in firmware), upper layer 802.11 code needs to be changed to - * support this. - * - * If the receive frame format is not the same as the real frame sent - * on the wireless media (e.g., due to padding etc.), upper layer 802.11 code - * could be updated to provide support for such format assuming this would - * optimize the performance, e.g., by removing need to re-allocation and - * copying of the data. - */ - -/* Interface version (used for compatibility verification) */ -#define IEEE80211_VERSION 2 - - -#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. */ -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_TURBO 0x00000080 -#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, CCK, and TURBO 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 */ -}; - -/* 802.11g is backwards-compatible with 802.11b, so a wlan card can - * actually be both in 11b and 11g modes at the same time. */ -enum { - MODE_IEEE80211A = 0 /* IEEE 802.11a */, - MODE_IEEE80211B = 1 /* IEEE 802.11b only */, - MODE_ATHEROS_TURBO = 2 /* Atheros Turbo mode (2x.11a at 5 GHz) */, - MODE_IEEE80211G = 3 /* IEEE 802.11g (and 802.11b compatibility) */, - MODE_ATHEROS_TURBOG = 4 /* Atheros Turbo mode (2x.11g at 2.4 GHz) */, - NUM_IEEE80211_MODES = 5 -}; - -struct ieee80211_hw_mode { - int mode; /* MODE_IEEE80211... */ - int num_channels; /* Number of channels (below) */ - struct ieee80211_channel *channels; /* Array of supported channels */ - int num_rates; /* Number of rates (below) */ - struct ieee80211_rate *rates; /* Array of supported rates */ - - struct list_head list; /* Internal, don't touch */ -}; - -struct ieee80211_tx_queue_params { - int aifs; /* 0 .. 255; -1 = use default */ - int cw_min; /* 2^n-1: 1, 3, 7, .. , 1023; 0 = use default */ - int cw_max; /* 2^n-1: 1, 3, 7, .. , 1023; 0 = use default */ - int burst_time; /* maximum burst time in 0.1 ms (i.e., 10 = 1 ms); - * 0 = disabled */ -}; - -#define NUM_TX_DATA_QUEUES 6 - -struct ieee80211_tx_queue_stats_data { - unsigned int len; /* num packets in queue */ - unsigned int limit; /* queue len (soft) limit */ - unsigned int count; /* total num frames sent */ -}; - -struct ieee80211_tx_queue_stats { - struct ieee80211_tx_queue_stats_data data[NUM_TX_DATA_QUEUES]; -}; - -#ifndef IEEE80211_TX_QUEUE_NUMS -#define IEEE80211_TX_QUEUE_NUMS -/* TODO: these need to be synchronized with hostapd_ioctl.h; make a shared - * header file that can be included into low-level drivers, 80211.o, and - * hostapd */ -enum { - IEEE80211_TX_QUEUE_DATA0 = 0, - IEEE80211_TX_QUEUE_DATA1 = 1, - IEEE80211_TX_QUEUE_DATA2 = 2, - IEEE80211_TX_QUEUE_DATA3 = 3, - IEEE80211_TX_QUEUE_DATA4 = 4, - IEEE80211_TX_QUEUE_SVP = 5, - IEEE80211_TX_QUEUE_AFTER_BEACON = 6, - IEEE80211_TX_QUEUE_BEACON = 7 -}; -#endif /* IEEE80211_TX_QUEUE_NUMS */ - - -struct ieee80211_low_level_stats { - unsigned int dot11ACKFailureCount; - unsigned int dot11RTSFailureCount; - unsigned int dot11FCSErrorCount; - unsigned int dot11RTSSuccessCount; -}; - -/* 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). */ -#define HW_KEY_IDX_INVALID -1 - -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) */ - -#define IEEE80211_TXCTL_REQ_TX_STATUS (1<<0)/* request TX status callback for - * this frame */ -#define IEEE80211_TXCTL_DO_NOT_ENCRYPT (1<<1) /* send this frame without - * encryption; e.g., for EAPOL - * frames */ -#define IEEE80211_TXCTL_USE_RTS_CTS (1<<2) /* use RTS-CTS before sending - * frame */ -#define IEEE80211_TXCTL_USE_CTS_PROTECT (1<<3) /* use CTS protection for the - * frame (e.g., for combined - * 802.11g / 802.11b networks) */ -#define IEEE80211_TXCTL_NO_ACK (1<<4) /* tell the low level not to - * wait for an ack */ -#define IEEE80211_TXCTL_RATE_CTRL_PROBE (1<<5) -#define IEEE80211_TXCTL_CLEAR_DST_MASK (1<<6) -#define IEEE80211_TXCTL_REQUEUE (1<<7) -#define IEEE80211_TXCTL_FIRST_FRAGMENT (1<<8) /* this is a first fragment of - * the frame */ -#define IEEE80211_TXCTL_TKIP_NEW_PHASE1_KEY (1<<9) - u32 flags; /* tx control flags defined - * above */ - u16 rts_cts_duration; /* duration field for RTS/CTS frame */ - u8 retry_limit; /* 1 = only first attempt, 2 = one retry, .. */ - u8 power_level; /* per-packet transmit power level, in dBm */ - u8 antenna_sel; /* 0 = default/diversity, 1 = Ant0, 2 = Ant1 */ - s8 key_idx; /* -1 = do not encrypt, >= 0 keyidx from - * hw->set_key() */ - u8 icv_len; /* length of the ICV/MIC field in octets */ - u8 iv_len; /* length of the IV field in octets */ - u8 tkip_key[16]; /* generated phase2/phase1 key for hw TKIP */ - u8 queue; /* hardware queue to use for this frame; - * 0 = highest, hw->queues-1 = lowest */ - u8 sw_retry_attempt; /* number of times hw has tried to - * transmit frame (not incl. hw retries) */ - - int rateidx; /* internal 80211.o rateidx */ - 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 */ -}; - -#define RX_FLAG_MMIC_ERROR 0x1 -#define RX_FLAG_DECRYPTED 0x2 - -/* Receive status. The low-level driver should provide this information - * (the subset supported by hardware) to the 802.11 code with each received - * frame. */ -struct ieee80211_rx_status { - u64 hosttime; - u64 mactime; - int freq; /* receive frequency in Mhz */ - int channel; - int phymode; - int ssi; - int signal; - int noise; - int antenna; - int rate; - int flag; -}; - -/* Transmit status. The low-level driver should provide this information - * (the subset supported by hardware) to the 802.11 code for each transmit - * frame. */ -struct ieee80211_tx_status { - /* copied ieee80211_tx_control structure */ - struct ieee80211_tx_control control; - -#define IEEE80211_TX_STATUS_TX_FILTERED (1<<0) -#define IEEE80211_TX_STATUS_ACK (1<<1) /* whether the TX frame was ACKed */ - u32 flags; /* tx staus flags defined above */ - - int ack_signal; /* measured signal strength of the ACK frame */ - int excessive_retries; - int retry_count; - - int queue_length; /* information about TX queue */ - int queue_number; -}; - - -/** - * struct ieee80211_conf - configuration of the device - * - * This struct indicates how the driver shall configure the hardware. - * - * @radio_enabled: when zero, driver is required to switch off the radio. - */ -struct ieee80211_conf { - int channel; /* IEEE 802.11 channel number */ - int freq; /* MHz */ - int channel_val; /* hw specific value for the channel */ - - int phymode; /* MODE_IEEE80211A, .. */ - unsigned int regulatory_domain; - int radio_enabled; - - int beacon_int; - -#define IEEE80211_CONF_SHORT_SLOT_TIME (1<<0) /* use IEEE 802.11g Short Slot - * Time */ -#define IEEE80211_CONF_SSID_HIDDEN (1<<1) /* do not broadcast the ssid */ - u32 flags; /* configuration flags defined above */ - - u8 power_level; /* transmit power limit for current - * regulatory domain; in dBm */ - u8 antenna_max; /* maximum antenna gain */ - short tx_power_reduction; /* in 0.1 dBm */ - - int antenna_sel; /* default antenna conf: - * 0 = default/diversity, - * 1 = Ant0, - * 2 = Ant1 */ - - int antenna_def; - int antenna_mode; - - /* Following five fields are used for IEEE 802.11H */ - unsigned int radar_detect; - unsigned int spect_mgmt; - unsigned int quiet_duration; /* duration of quiet period */ - unsigned int quiet_offset; /* how far into the beacon is the quiet - * period */ - unsigned int quiet_period; - u8 radar_firpwr_threshold; - u8 radar_rssi_threshold; - u8 pulse_height_threshold; - u8 pulse_rssi_threshold; - u8 pulse_inband_threshold; -}; - -/** - * enum ieee80211_if_types - types of 802.11 network interfaces - * - * @IEEE80211_IF_TYPE_AP: interface in AP mode. - * @IEEE80211_IF_TYPE_MGMT: special interface for communication with hostap - * daemon. Drivers should never see this type. - * @IEEE80211_IF_TYPE_STA: interface in STA (client) mode. - * @IEEE80211_IF_TYPE_IBSS: interface in IBSS (ad-hoc) mode. - * @IEEE80211_IF_TYPE_MNTR: interface in monitor (rfmon) mode. - * @IEEE80211_IF_TYPE_WDS: interface in WDS mode. - * @IEEE80211_IF_TYPE_VLAN: not used. - */ -enum ieee80211_if_types { - IEEE80211_IF_TYPE_AP = 0x00000000, - IEEE80211_IF_TYPE_MGMT = 0x00000001, - IEEE80211_IF_TYPE_STA = 0x00000002, - IEEE80211_IF_TYPE_IBSS = 0x00000003, - IEEE80211_IF_TYPE_MNTR = 0x00000004, - IEEE80211_IF_TYPE_WDS = 0x5A580211, - IEEE80211_IF_TYPE_VLAN = 0x00080211, -}; - -/** - * 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). - * @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 - * until the interface is removed (i.e. it cannot be used after - * remove_interface() callback was called for this interface). - * - * This structure is used in add_interface() and remove_interface() - * callbacks of &struct ieee80211_hw. - */ -struct ieee80211_if_init_conf { - int if_id; - int type; - void *mac_addr; -}; - -/** - * struct ieee80211_if_conf - configuration of an interface - * - * @type: type of the interface. This is always the same as was specified in - * &struct ieee80211_if_init_conf. The type of an interface never changes - * during the life of the interface; this field is present only for - * convenience. - * @bssid: BSSID of the network we are associated to/creating. - * @ssid: used (together with @ssid_len) by drivers for hardware that - * generate beacons independently. The pointer is valid only during the - * config_interface() call, so copy the value somewhere if you need - * it. - * @ssid_len: length of the @ssid field. - * @generic_elem: used (together with @generic_elem_len) by drivers for - * hardware that generate beacons independently. The pointer is valid - * only during the config_interface() call, so copy the value somewhere - * if you need it. - * @generic_elem_len: length of the generic element. - * @beacon: beacon template. Valid only if @host_gen_beacon_template in - * &struct ieee80211_hw is set. The driver is responsible of freeing - * the sk_buff. - * - * This structure is passed to the config_interface() callback of - * &struct ieee80211_hw. - */ -struct ieee80211_if_conf { - int type; - u8 *bssid; - u8 *ssid; - size_t ssid_len; - u8 *generic_elem; - size_t generic_elem_len; - struct sk_buff *beacon; -}; - -typedef enum { ALG_NONE, ALG_WEP, ALG_TKIP, ALG_CCMP, ALG_NULL } -ieee80211_key_alg; - - -struct ieee80211_key_conf { - - int hw_key_idx; /* filled + used by low-level driver */ - ieee80211_key_alg alg; - int keylen; - -#define IEEE80211_KEY_FORCE_SW_ENCRYPT (1<<0) /* to be cleared by low-level - driver */ -#define IEEE80211_KEY_DEFAULT_TX_KEY (1<<1) /* This key is the new default TX - key (used only for broadcast - keys). */ -#define IEEE80211_KEY_DEFAULT_WEP_ONLY (1<<2) /* static WEP is the only - configured security policy; - this allows some low-level - drivers to determine when - hwaccel can be used */ - u32 flags; /* key configuration flags defined above */ - - s8 keyidx; /* WEP key index */ - u8 key[0]; -}; - -#define IEEE80211_SCAN_START 1 -#define IEEE80211_SCAN_END 2 - -struct ieee80211_scan_conf { - int scan_channel; /* IEEE 802.11 channel number to do passive scan - * on */ - int scan_freq; /* new freq in MHz to switch to for passive scan - */ - int scan_channel_val; /* hw specific value for the channel */ - int scan_phymode; /* MODE_IEEE80211A, .. */ - unsigned char scan_power_level; - unsigned char scan_antenna_max; - - - int running_channel; /* IEEE 802.11 channel number we operate on - * normally */ - int running_freq; /* freq in MHz we're operating on normally */ - int running_channel_val; /* hw specific value for the channel */ - int running_phymode; - unsigned char running_power_level; - unsigned char running_antenna_max; - - int scan_time; /* time a scan will take in us */ - int tries; - - struct sk_buff *skb; /* skb to transmit before changing channels, maybe - * NULL for none */ - struct ieee80211_tx_control *tx_control; - -}; - -#define IEEE80211_SEQ_COUNTER_RX 0 -#define IEEE80211_SEQ_COUNTER_TX 1 - -typedef enum { - SET_KEY, DISABLE_KEY, REMOVE_ALL_KEYS, -} set_key_cmd; - -/* This is driver-visible part of the per-hw state the stack keeps. */ -struct ieee80211_hw { - /* these are assigned by d80211, don't write */ - int index; - struct ieee80211_conf conf; - - /* Pointer to the private area that was - * allocated with this struct for you. */ - void *priv; - - /* The rest is information about your hardware */ - - struct device *dev; - - /* permanent mac address */ - u8 perm_addr[ETH_ALEN]; - - /* TODO: frame_type 802.11/802.3, sw_encryption requirements */ - - /* Some wireless LAN chipsets generate beacons in the hardware/firmware - * and others rely on host generated beacons. This option is used to - * configure the upper layer IEEE 802.11 module to generate beacons. - * The low-level driver can use ieee80211_beacon_get() to fetch the - * next beacon frame. */ -#define IEEE80211_HW_HOST_GEN_BEACON (1<<0) - - /* The device needs to be supplied with a beacon template only. */ -#define IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE (1<<1) - - /* Some devices handle decryption internally and do not - * indicate whether the frame was encrypted (unencrypted frames - * will be dropped by the hardware, unless specifically allowed - * through) */ -#define IEEE80211_HW_DEVICE_HIDES_WEP (1<<2) - - /* Whether RX frames passed to ieee80211_rx() include FCS in the end */ -#define IEEE80211_HW_RX_INCLUDES_FCS (1<<3) - - /* Some wireless LAN chipsets buffer broadcast/multicast frames for - * power saving stations in the hardware/firmware and others rely on - * the host system for such buffering. This option is used to - * configure the IEEE 802.11 upper layer to buffer broadcast/multicast - * frames when there are power saving stations so that low-level driver - * can fetch them with ieee80211_get_buffered_bc(). */ -#define IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING (1<<4) - -#define IEEE80211_HW_WEP_INCLUDE_IV (1<<5) - - /* will data nullfunc frames get proper TX status callback */ -#define IEEE80211_HW_DATA_NULLFUNC_ACK (1<<6) - - /* Force software encryption for TKIP packets if WMM is enabled. */ -#define IEEE80211_HW_NO_TKIP_WMM_HWACCEL (1<<7) - - /* Some devices handle Michael MIC internally and do not include MIC in - * the received packets passed up. device_strips_mic must be set - * for such devices. The 'encryption' frame control bit is expected to - * be still set in the IEEE 802.11 header with this option unlike with - * the device_hides_wep configuration option. - */ -#define IEEE80211_HW_DEVICE_STRIPS_MIC (1<<8) - - /* Device is capable of performing full monitor mode even during - * normal operation. */ -#define IEEE80211_HW_MONITOR_DURING_OPER (1<<9) - - /* Set if the low-level driver supports skb fraglist (NETIF_F_FRAGLIST), - * i.e. more than one skb per frame */ -#define IEEE80211_HW_FRAGLIST (1<<10) - - /* calculate Michael MIC for an MSDU when doing hwcrypto */ -#define IEEE80211_HW_TKIP_INCLUDE_MMIC (1<<12) - /* Do TKIP phase1 key mixing in stack to support cards only do - * phase2 key mixing when doing hwcrypto */ -#define IEEE80211_HW_TKIP_REQ_PHASE1_KEY (1<<13) - /* Do TKIP phase1 and phase2 key mixing in stack and send the generated - * per-packet RC4 key with each TX frame when doing hwcrypto */ -#define IEEE80211_HW_TKIP_REQ_PHASE2_KEY (1<<14) - - u32 flags; /* hardware flags defined above */ - - /* Set to the size of a needed device specific skb headroom for TX skbs. */ - unsigned int extra_tx_headroom; - - /* This is the time in us to change channels - */ - int channel_change_time; - /* This is maximum value for rssi reported by this device */ - int maxssi; - - /* Number of available hardware TX queues for data packets. - * WMM requires at least four queues. */ - int queues; -}; - -/* Configuration block used by the low-level driver to tell the 802.11 code - * about supported hardware features and to pass function pointers to callback - * functions. */ -struct ieee80211_ops { - /* Handler that 802.11 module calls for each transmitted frame. - * skb contains the buffer starting from the IEEE 802.11 header. - * The low-level driver should send the frame out based on - * configuration in the TX control data. */ - int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_tx_control *control); - - /* Handler for performing hardware reset. */ - int (*reset)(struct ieee80211_hw *hw); - - /* Handler that is called when any netdevice attached to the hardware - * device is set UP for the first time. This can be used, e.g., to - * enable interrupts and beacon sending. */ - int (*open)(struct ieee80211_hw *hw); - - /* Handler that is called when the last netdevice attached to the - * hardware device is set DOWN. This can be used, e.g., to disable - * interrupts and beacon sending. */ - int (*stop)(struct ieee80211_hw *hw); - - /* Handler for asking a driver if a new interface can be added (or, - * more exactly, set UP). If the handler returns zero, the interface - * is added. Driver should perform any initialization it needs prior - * to returning zero. By returning non-zero addition of the interface - * is inhibited. Unless monitor_during_oper is set, it is guaranteed - * that monitor interfaces and normal interfaces are mutually - * exclusive. The open() handler is called after add_interface() - * if this is the first device added. At least one of the open() - * open() and add_interface() callbacks has to be assigned. If - * add_interface() is NULL, one STA interface is permitted only. */ - int (*add_interface)(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf); - - /* Notify a driver that an interface is going down. The stop() handler - * is called prior to this if this is a last interface. */ - void (*remove_interface)(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf); - - /* Handler for configuration requests. IEEE 802.11 code calls this - * function to change hardware configuration, e.g., channel. */ - int (*config)(struct ieee80211_hw *hw, struct ieee80211_conf *conf); - - /* Handler for configuration requests related to interfaces (e.g. - * BSSID). */ - int (*config_interface)(struct ieee80211_hw *hw, - int if_id, struct ieee80211_if_conf *conf); - - /* ieee80211 drivers do not have access to the &struct net_device - * that is (are) connected with their device. Hence (and because - * we need to combine the multicast lists and flags for multiple - * virtual interfaces), they cannot assign set_multicast_list. - * The parameters here replace dev->flags and dev->mc_count, - * dev->mc_list is replaced by calling ieee80211_get_mc_list_item. */ - void (*set_multicast_list)(struct ieee80211_hw *hw, - unsigned short flags, int mc_count); - - /* Set TIM bit handler. If the hardware/firmware takes care of beacon - * generation, IEEE 802.11 code uses this function to tell the - * low-level to set (or clear if set==0) TIM bit for the given aid. If - * host system is used to generate beacons, this handler is not used - * and low-level driver should set it to NULL. */ - int (*set_tim)(struct ieee80211_hw *hw, int aid, int set); - - /* Set encryption key. IEEE 802.11 module calls this function to set - * encryption keys. addr is ff:ff:ff:ff:ff:ff for default keys and - * station hwaddr for individual keys. aid of the station is given - * to help low-level driver in selecting which key->hw_key_idx to use - * for this key. TX control data will use the hw_key_idx selected by - * the low-level driver. */ - int (*set_key)(struct ieee80211_hw *hw, set_key_cmd cmd, - u8 *addr, struct ieee80211_key_conf *key, int aid); - - /* Set TX key index for default/broadcast keys. This is needed in cases - * where wlan card is doing full WEP/TKIP encapsulation (wep_include_iv - * is not set), in other cases, this function pointer can be set to - * NULL since the IEEE 802. 11 module takes care of selecting the key - * index for each TX frame. */ - int (*set_key_idx)(struct ieee80211_hw *hw, int idx); - - /* 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. */ - int (*set_ieee8021x)(struct ieee80211_hw *hw, int use_ieee8021x); - - /* Set port authorization state (IEEE 802.1X PAE) to be authorized - * (authorized=1) or unauthorized (authorized=0). This function can be - * used if the wlan hardware or low-level driver implements PAE. - * 80211.o module will anyway filter frames based on authorization - * state, so this function pointer can be NULL if low-level driver does - * not require event notification about port state changes. */ - int (*set_port_auth)(struct ieee80211_hw *hw, u8 *addr, - int authorized); - - /* Ask the hardware to do a passive scan on a new channel. The hardware - * will do what ever is required to nicely leave the current channel - * including transmit any CTS packets, etc. */ - int (*passive_scan)(struct ieee80211_hw *hw, int state, - struct ieee80211_scan_conf *conf); - - /* Ask the hardware to service the scan request, no need to start - * the scan state machine in stack. */ - int (*hw_scan)(struct ieee80211_hw *hw, u8 *ssid, size_t len); - - /* return low-level statistics */ - int (*get_stats)(struct ieee80211_hw *hw, - struct ieee80211_low_level_stats *stats); - - /* Enable/disable test modes; mode = IEEE80211_TEST_* */ - int (*test_mode)(struct ieee80211_hw *hw, int mode); - - /* Configuration of test parameters */ - int (*test_param)(struct ieee80211_hw *hw, int param, int value); - - /* 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 */ - int (*set_privacy_invoked)(struct ieee80211_hw *hw, - int privacy_invoked); - - /* For devices that have internal sequence counters, allow 802.11 - * code to access the current value of a counter */ - int (*get_sequence_counter)(struct ieee80211_hw *hw, - u8* addr, u8 keyidx, u8 txrx, - u32* iv32, u16* iv16); - - /* Configuration of RTS threshold (if device needs it) */ - int (*set_rts_threshold)(struct ieee80211_hw *hw, u32 value); - - /* Configuration of fragmentation threshold. - * Assign this if the device does fragmentation by itself, - * if this method is assigned then the stack will not do - * fragmentation. */ - int (*set_frag_threshold)(struct ieee80211_hw *hw, u32 value); - - /* Configuration of retry limits (if device needs it) */ - int (*set_retry_limit)(struct ieee80211_hw *hw, - u32 short_retry, u32 long_retr); - - /* Number of STAs in STA table notification (NULL = disabled) */ - void (*sta_table_notification)(struct ieee80211_hw *hw, - int num_sta); - - /* Configure TX queue parameters (EDCF (aifs, cw_min, cw_max), - * bursting) for a hardware TX queue. - * queue = IEEE80211_TX_QUEUE_*. */ - int (*conf_tx)(struct ieee80211_hw *hw, int queue, - const struct ieee80211_tx_queue_params *params); - - /* Get statistics of the current TX queue status. This is used to get - * number of currently queued packets (queue length), maximum queue - * size (limit), and total number of packets sent using each TX queue - * (count). This information is used for WMM to find out which TX - * queues have room for more packets and by hostapd to provide - * statistics about the current queueing state to external programs. */ - int (*get_tx_stats)(struct ieee80211_hw *hw, - struct ieee80211_tx_queue_stats *stats); - - /* Get the current TSF timer value from firmware/hardware. Currently, - * this is only used for IBSS mode debugging and, as such, is not a - * required function. */ - u64 (*get_tsf)(struct ieee80211_hw *hw); - - /* Reset the TSF timer and allow firmware/hardware to synchronize with - * other STAs in the IBSS. This is only used in IBSS mode. This - * function is optional if the firmware/hardware takes full care of - * TSF synchronization. */ - void (*reset_tsf)(struct ieee80211_hw *hw); - - /* Setup beacon data for IBSS beacons. Unlike access point (Master), - * IBSS uses a fixed beacon frame which is configured using this - * function. This handler is required only for IBSS mode. */ - int (*beacon_update)(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct ieee80211_tx_control *control); - - /* 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. */ - int (*tx_last_beacon)(struct ieee80211_hw *hw); -}; - -/* Allocate a new hardware device. This must be called once for each - * hardware device. The returned pointer must be used to refer to this - * device when calling other functions. 802.11 code allocates a private data - * area for the low-level driver. The size of this area is given as - * priv_data_len. - */ -struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, - const struct ieee80211_ops *ops); - -/* Register hardware device to the IEEE 802.11 code and kernel. Low-level - * drivers must call this function before using any other IEEE 802.11 - * function except ieee80211_register_hwmode. */ -int ieee80211_register_hw(struct ieee80211_hw *hw); - -/* driver can use this and ieee80211_get_rx_led_name to get the - * name of the registered LEDs after ieee80211_register_hw - * was called. - * This is useful to set the default trigger on the LED class - * device that your driver should export for each LED the device - * has, that way the default behaviour will be as expected but - * the user can still change it/turn off the LED etc. - */ -#ifdef CONFIG_D80211_LEDS -extern char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw); -extern char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw); -#endif -static inline char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw) -{ -#ifdef CONFIG_D80211_LEDS - return __ieee80211_get_tx_led_name(hw); -#else - return NULL; -#endif -} - -static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw) -{ -#ifdef CONFIG_D80211_LEDS - return __ieee80211_get_rx_led_name(hw); -#else - return NULL; -#endif -} - -/* Register a new hardware PHYMODE capability to the stack. */ -int ieee80211_register_hwmode(struct ieee80211_hw *hw, - struct ieee80211_hw_mode *mode); - -/* Unregister a hardware device. This function instructs 802.11 code to free - * allocated resources and unregister netdevices from the kernel. */ -void ieee80211_unregister_hw(struct ieee80211_hw *hw); - -/* Free everything that was allocated including private data of a driver. */ -void ieee80211_free_hw(struct ieee80211_hw *hw); - -/* Receive frame callback function. The low-level driver uses this function to - * send received frames to the IEEE 802.11 code. Receive buffer (skb) must - * start with IEEE 802.11 header. */ -void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_rx_status *status); -void ieee80211_rx_irqsafe(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct ieee80211_rx_status *status); - -/* Transmit status callback function. The low-level driver must call this - * function to report transmit status for all the TX frames that had - * req_tx_status set in the transmit control fields. In addition, this should - * be called at least for all unicast frames to provide information for TX rate - * control algorithm. In order to maintain all statistics, this function is - * recommended to be called after each frame, including multicast/broadcast, is - * sent. */ -void ieee80211_tx_status(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct ieee80211_tx_status *status); -void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct ieee80211_tx_status *status); - -/** - * ieee80211_beacon_get - beacon generation function - * @hw: pointer obtained from ieee80211_alloc_hw(). - * @if_id: interface ID 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 - * hardware/firmware), the low-level driver uses this function to receive - * the next beacon frame from the 802.11 code. The low-level is responsible - * for calling this function before beacon data is needed (e.g., based on - * hardware interrupt). Returned skb is used only once and low-level driver - * is responsible of freeing it. - */ -struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, - int if_id, - struct ieee80211_tx_control *control); - -/** - * 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. - * @control: will be filled with information needed to send returned frame. - * - * Function for accessing buffered broadcast and multicast frames. If - * hardware/firmware does not implement buffering of broadcast/multicast - * frames when power saving is used, 802.11 code buffers them in the host - * memory. The low-level driver uses this function to fetch next buffered - * frame. In most cases, this is used when generating beacon frame. This - * function returns a pointer to the next buffered skb or NULL if no more - * buffered frames are available. - * - * Note: buffered frames are returned only after DTIM beacon frame was - * generated with ieee80211_beacon_get() and the low-level driver must thus - * call ieee80211_beacon_get() first. ieee80211_get_buffered_bc() returns - * NULL if the previous generated beacon was not DTIM, so the low-level driver - * does not need to check for DTIM beacons separately and should be able to - * use common code for all beacons. - */ -struct sk_buff * -ieee80211_get_buffered_bc(struct ieee80211_hw *hw, int if_id, - struct ieee80211_tx_control *control); - -/* Low level drivers that have their own MLME and MAC indicate - * the aid for an associating station with this call */ -int ieee80211_set_aid_for_sta(struct ieee80211_hw *hw, - u8 *peer_address, u16 aid); - - -/* Given an sk_buff with a raw 802.11 header at the data pointer this function - * returns the 802.11 header length in bytes (not including encryption - * headers). If the data in the sk_buff is too short to contain a valid 802.11 - * header the function returns 0. - */ -int ieee80211_get_hdrlen_from_skb(struct sk_buff *skb); - -/* Like ieee80211_get_hdrlen_from_skb() but takes a FC in CPU order. */ -int ieee80211_get_hdrlen(u16 fc); - -/* Function for net interface operation. IEEE 802.11 may use multiple kernel - * netdevices for each hardware device. The low-level driver does not "see" - * these interfaces, so it should use this function to perform netif - * operations on all interface. */ -/* This function is deprecated. */ -typedef enum { - NETIF_ATTACH, NETIF_DETACH, NETIF_START, NETIF_STOP, NETIF_WAKE, - NETIF_IS_STOPPED, NETIF_UPDATE_TX_START -} Netif_Oper; -int ieee80211_netif_oper(struct ieee80211_hw *hw, Netif_Oper op); - -/** - * ieee80211_wake_queue - wake specific queue - * @hw: pointer as obtained from ieee80211_alloc_hw(). - * @queue: queue number (counted from zero). - * - * Drivers should use this function instead of netif_wake_queue. - */ -void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue); - -/** - * ieee80211_stop_queue - stop specific queue - * @hw: pointer as obtained from ieee80211_alloc_hw(). - * @queue: queue number (counted from zero). - * - * Drivers should use this function instead of netif_stop_queue. - */ -void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue); - -/** - * ieee80211_start_queues - start all queues - * @hw: pointer to as obtained from ieee80211_alloc_hw(). - * - * Drivers should use this function instead of netif_start_queue. - */ -void ieee80211_start_queues(struct ieee80211_hw *hw); - -/** - * ieee80211_stop_queues - stop all queues - * @hw: pointer as obtained from ieee80211_alloc_hw(). - * - * Drivers should use this function instead of netif_stop_queue. - */ -void ieee80211_stop_queues(struct ieee80211_hw *hw); - -/** - * ieee80211_get_mc_list_item - iteration over items in multicast list - * @hw: pointer as obtained from ieee80211_alloc_hw(). - * @prev: value returned by previous call to ieee80211_get_mc_list_item() or - * NULL to start a new iteration. - * @ptr: pointer to buffer of void * type for internal usage of - * ieee80211_get_mc_list_item(). - * - * Iterates over items in multicast list of given device. To get the first - * item, pass NULL in @prev and in *@ptr. In subsequent calls, pass the - * value returned by previous call in @prev. Don't alter *@ptr during - * iteration. When there are no more items, NULL is returned. - */ -struct dev_mc_list * -ieee80211_get_mc_list_item(struct ieee80211_hw *hw, - struct dev_mc_list *prev, - void **ptr); - -/* called by driver to notify scan status completed */ -void ieee80211_scan_completed(struct ieee80211_hw *hw); - -/* Function to indicate Radar Detection. The low level driver must call this - * function to indicate the presence of radar in the current channel. - * Additionally the radar type also could be sent */ -int ieee80211_radar_status(struct ieee80211_hw *hw, int channel, - int radar, int radar_type); - -/* Test modes */ -enum { - IEEE80211_TEST_DISABLE = 0 /* terminate testing */, - IEEE80211_TEST_UNMASK_CHANNELS = 1 /* allow all channels to be used */, - IEEE80211_TEST_CONTINUOUS_TX = 2, -}; - -/* Test parameters */ -enum { - /* TX power in hardware specific raw value */ - IEEE80211_TEST_PARAM_TX_POWER_RAW = 0, - /* TX rate in hardware specific raw value */ - IEEE80211_TEST_PARAM_TX_RATE_RAW = 1, - /* Continuous TX pattern (32-bit) */ - IEEE80211_TEST_PARAM_TX_PATTERN = 2, - /* TX power in 0.1 dBm, 100 = 10 dBm */ - IEEE80211_TEST_PARAM_TX_POWER = 3, - /* TX rate in 100 kbps, 540 = 54 Mbps */ - IEEE80211_TEST_PARAM_TX_RATE = 4, - IEEE80211_TEST_PARAM_TX_ANT_SEL_RAW = 5, -}; - -/* return a pointer to the source address (SA) */ -static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) -{ - u8 *raw = (u8 *) hdr; - u8 tofrom = (*(raw+1)) & 3; /* get the TODS and FROMDS bits */ - - switch (tofrom) { - case 2: - return hdr->addr3; - case 3: - return hdr->addr4; - } - return hdr->addr2; -} - -/* return a pointer to the destination address (DA) */ -static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) -{ - u8 *raw = (u8 *) hdr; - u8 to_ds = (*(raw+1)) & 1; /* get the TODS bit */ - - if (to_ds) - return hdr->addr3; - return hdr->addr1; -} - -static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr) -{ - return (le16_to_cpu(hdr->frame_control) & - IEEE80211_FCTL_MOREFRAGS) != 0; -} - -#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] - -#endif /* D80211_H */ |