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-rw-r--r--package/libertas/src/main.c1628
1 files changed, 0 insertions, 1628 deletions
diff --git a/package/libertas/src/main.c b/package/libertas/src/main.c
deleted file mode 100644
index f6820da..0000000
--- a/package/libertas/src/main.c
+++ /dev/null
@@ -1,1628 +0,0 @@
-/**
- * This file contains the major functions in WLAN
- * driver. It includes init, exit, open, close and main
- * thread etc..
- */
-
-#include <linux/moduleparam.h>
-#include <linux/delay.h>
-#include <linux/etherdevice.h>
-#include <linux/netdevice.h>
-#include <linux/if_arp.h>
-#include <linux/kthread.h>
-#include <linux/kfifo.h>
-#ifdef CONFIG_OLPC
-#include <asm/olpc.h>
-#endif
-
-#include <net/iw_handler.h>
-#include <net/ieee80211.h>
-
-#include "host.h"
-#include "decl.h"
-#include "dev.h"
-#include "wext.h"
-#include "debugfs.h"
-#include "scan.h"
-#include "assoc.h"
-#include "cmd.h"
-#include "ioctl.h"
-
-#define DRIVER_RELEASE_VERSION "323.p0"
-const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION
-#ifdef DEBUG
- "-dbg"
-#endif
- "";
-
-
-/* Module parameters */
-unsigned int lbs_debug;
-EXPORT_SYMBOL_GPL(lbs_debug);
-module_param_named(libertas_debug, lbs_debug, int, 0644);
-
-
-/* This global structure is used to send the confirm_sleep command as
- * fast as possible down to the firmware. */
-struct cmd_confirm_sleep confirm_sleep;
-
-
-#define LBS_TX_PWR_DEFAULT 20 /*100mW */
-#define LBS_TX_PWR_US_DEFAULT 20 /*100mW */
-#define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */
-#define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */
-#define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */
-
-/* Format { channel, frequency (MHz), maxtxpower } */
-/* band: 'B/G', region: USA FCC/Canada IC */
-static struct chan_freq_power channel_freq_power_US_BG[] = {
- {1, 2412, LBS_TX_PWR_US_DEFAULT},
- {2, 2417, LBS_TX_PWR_US_DEFAULT},
- {3, 2422, LBS_TX_PWR_US_DEFAULT},
- {4, 2427, LBS_TX_PWR_US_DEFAULT},
- {5, 2432, LBS_TX_PWR_US_DEFAULT},
- {6, 2437, LBS_TX_PWR_US_DEFAULT},
- {7, 2442, LBS_TX_PWR_US_DEFAULT},
- {8, 2447, LBS_TX_PWR_US_DEFAULT},
- {9, 2452, LBS_TX_PWR_US_DEFAULT},
- {10, 2457, LBS_TX_PWR_US_DEFAULT},
- {11, 2462, LBS_TX_PWR_US_DEFAULT}
-};
-
-/* band: 'B/G', region: Europe ETSI */
-static struct chan_freq_power channel_freq_power_EU_BG[] = {
- {1, 2412, LBS_TX_PWR_EMEA_DEFAULT},
- {2, 2417, LBS_TX_PWR_EMEA_DEFAULT},
- {3, 2422, LBS_TX_PWR_EMEA_DEFAULT},
- {4, 2427, LBS_TX_PWR_EMEA_DEFAULT},
- {5, 2432, LBS_TX_PWR_EMEA_DEFAULT},
- {6, 2437, LBS_TX_PWR_EMEA_DEFAULT},
- {7, 2442, LBS_TX_PWR_EMEA_DEFAULT},
- {8, 2447, LBS_TX_PWR_EMEA_DEFAULT},
- {9, 2452, LBS_TX_PWR_EMEA_DEFAULT},
- {10, 2457, LBS_TX_PWR_EMEA_DEFAULT},
- {11, 2462, LBS_TX_PWR_EMEA_DEFAULT},
- {12, 2467, LBS_TX_PWR_EMEA_DEFAULT},
- {13, 2472, LBS_TX_PWR_EMEA_DEFAULT}
-};
-
-/* band: 'B/G', region: Spain */
-static struct chan_freq_power channel_freq_power_SPN_BG[] = {
- {10, 2457, LBS_TX_PWR_DEFAULT},
- {11, 2462, LBS_TX_PWR_DEFAULT}
-};
-
-/* band: 'B/G', region: France */
-static struct chan_freq_power channel_freq_power_FR_BG[] = {
- {10, 2457, LBS_TX_PWR_FR_DEFAULT},
- {11, 2462, LBS_TX_PWR_FR_DEFAULT},
- {12, 2467, LBS_TX_PWR_FR_DEFAULT},
- {13, 2472, LBS_TX_PWR_FR_DEFAULT}
-};
-
-/* band: 'B/G', region: Japan */
-static struct chan_freq_power channel_freq_power_JPN_BG[] = {
- {1, 2412, LBS_TX_PWR_JP_DEFAULT},
- {2, 2417, LBS_TX_PWR_JP_DEFAULT},
- {3, 2422, LBS_TX_PWR_JP_DEFAULT},
- {4, 2427, LBS_TX_PWR_JP_DEFAULT},
- {5, 2432, LBS_TX_PWR_JP_DEFAULT},
- {6, 2437, LBS_TX_PWR_JP_DEFAULT},
- {7, 2442, LBS_TX_PWR_JP_DEFAULT},
- {8, 2447, LBS_TX_PWR_JP_DEFAULT},
- {9, 2452, LBS_TX_PWR_JP_DEFAULT},
- {10, 2457, LBS_TX_PWR_JP_DEFAULT},
- {11, 2462, LBS_TX_PWR_JP_DEFAULT},
- {12, 2467, LBS_TX_PWR_JP_DEFAULT},
- {13, 2472, LBS_TX_PWR_JP_DEFAULT},
- {14, 2484, LBS_TX_PWR_JP_DEFAULT}
-};
-
-/**
- * the structure for channel, frequency and power
- */
-struct region_cfp_table {
- u8 region;
- struct chan_freq_power *cfp_BG;
- int cfp_no_BG;
-};
-
-/**
- * the structure for the mapping between region and CFP
- */
-static struct region_cfp_table region_cfp_table[] = {
- {0x10, /*US FCC */
- channel_freq_power_US_BG,
- ARRAY_SIZE(channel_freq_power_US_BG),
- }
- ,
- {0x20, /*CANADA IC */
- channel_freq_power_US_BG,
- ARRAY_SIZE(channel_freq_power_US_BG),
- }
- ,
- {0x30, /*EU*/ channel_freq_power_EU_BG,
- ARRAY_SIZE(channel_freq_power_EU_BG),
- }
- ,
- {0x31, /*SPAIN*/ channel_freq_power_SPN_BG,
- ARRAY_SIZE(channel_freq_power_SPN_BG),
- }
- ,
- {0x32, /*FRANCE*/ channel_freq_power_FR_BG,
- ARRAY_SIZE(channel_freq_power_FR_BG),
- }
- ,
- {0x40, /*JAPAN*/ channel_freq_power_JPN_BG,
- ARRAY_SIZE(channel_freq_power_JPN_BG),
- }
- ,
-/*Add new region here */
-};
-
-/**
- * the table to keep region code
- */
-u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] =
- { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 };
-
-/**
- * 802.11b/g supported bitrates (in 500Kb/s units)
- */
-u8 lbs_bg_rates[MAX_RATES] =
- { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c,
-0x00, 0x00 };
-
-/**
- * FW rate table. FW refers to rates by their index in this table, not by the
- * rate value itself. Values of 0x00 are
- * reserved positions.
- */
-static u8 fw_data_rates[MAX_RATES] =
- { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12,
- 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00
-};
-
-/**
- * @brief use index to get the data rate
- *
- * @param idx The index of data rate
- * @return data rate or 0
- */
-u32 lbs_fw_index_to_data_rate(u8 idx)
-{
- if (idx >= sizeof(fw_data_rates))
- idx = 0;
- return fw_data_rates[idx];
-}
-
-/**
- * @brief use rate to get the index
- *
- * @param rate data rate
- * @return index or 0
- */
-u8 lbs_data_rate_to_fw_index(u32 rate)
-{
- u8 i;
-
- if (!rate)
- return 0;
-
- for (i = 0; i < sizeof(fw_data_rates); i++) {
- if (rate == fw_data_rates[i])
- return i;
- }
- return 0;
-}
-
-/**
- * Attributes exported through sysfs
- */
-
-/**
- * @brief Get function for sysfs attribute anycast_mask
- */
-static ssize_t lbs_anycast_get(struct device *dev,
- struct device_attribute *attr, char * buf)
-{
- struct lbs_private *priv = to_net_dev(dev)->priv;
- struct cmd_ds_mesh_access mesh_access;
- int ret;
-
- memset(&mesh_access, 0, sizeof(mesh_access));
-
- ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);
- if (ret)
- return ret;
-
- return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));
-}
-
-/**
- * @brief Set function for sysfs attribute anycast_mask
- */
-static ssize_t lbs_anycast_set(struct device *dev,
- struct device_attribute *attr, const char * buf, size_t count)
-{
- struct lbs_private *priv = to_net_dev(dev)->priv;
- struct cmd_ds_mesh_access mesh_access;
- uint32_t datum;
- int ret;
-
- memset(&mesh_access, 0, sizeof(mesh_access));
- sscanf(buf, "%x", &datum);
- mesh_access.data[0] = cpu_to_le32(datum);
-
- ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);
- if (ret)
- return ret;
-
- return strlen(buf);
-}
-
-static int lbs_add_rtap(struct lbs_private *priv);
-static void lbs_remove_rtap(struct lbs_private *priv);
-static int lbs_add_mesh(struct lbs_private *priv);
-static void lbs_remove_mesh(struct lbs_private *priv);
-
-
-/**
- * Get function for sysfs attribute rtap
- */
-static ssize_t lbs_rtap_get(struct device *dev,
- struct device_attribute *attr, char * buf)
-{
- struct lbs_private *priv = to_net_dev(dev)->priv;
- return snprintf(buf, 5, "0x%X\n", priv->monitormode);
-}
-
-/**
- * Set function for sysfs attribute rtap
- */
-static ssize_t lbs_rtap_set(struct device *dev,
- struct device_attribute *attr, const char * buf, size_t count)
-{
- int monitor_mode;
- struct lbs_private *priv = to_net_dev(dev)->priv;
-
- sscanf(buf, "%x", &monitor_mode);
- if (monitor_mode) {
- if (priv->monitormode == monitor_mode)
- return strlen(buf);
- if (!priv->monitormode) {
- if (priv->infra_open || priv->mesh_open)
- return -EBUSY;
- if (priv->mode == IW_MODE_INFRA)
- lbs_send_deauthentication(priv);
- else if (priv->mode == IW_MODE_ADHOC)
- lbs_stop_adhoc_network(priv);
- lbs_add_rtap(priv);
- }
- priv->monitormode = monitor_mode;
- }
-
- else {
- if (!priv->monitormode)
- return strlen(buf);
- priv->monitormode = 0;
- lbs_remove_rtap(priv);
-
- if (priv->currenttxskb) {
- dev_kfree_skb_any(priv->currenttxskb);
- priv->currenttxskb = NULL;
- }
-
- /* Wake queues, command thread, etc. */
- lbs_host_to_card_done(priv);
- }
-
- lbs_prepare_and_send_command(priv,
- CMD_802_11_MONITOR_MODE, CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP, 0, &priv->monitormode);
- return strlen(buf);
-}
-
-/**
- * lbs_rtap attribute to be exported per ethX interface
- * through sysfs (/sys/class/net/ethX/lbs_rtap)
- */
-static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set );
-
-/**
- * Get function for sysfs attribute mesh
- */
-static ssize_t lbs_mesh_get(struct device *dev,
- struct device_attribute *attr, char * buf)
-{
- struct lbs_private *priv = to_net_dev(dev)->priv;
- return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
-}
-
-/**
- * Set function for sysfs attribute mesh
- */
-static ssize_t lbs_mesh_set(struct device *dev,
- struct device_attribute *attr, const char * buf, size_t count)
-{
- struct lbs_private *priv = to_net_dev(dev)->priv;
- int enable;
- int ret;
-
- sscanf(buf, "%x", &enable);
- enable = !!enable;
- if (enable == !!priv->mesh_dev)
- return count;
-
- ret = lbs_mesh_config(priv, enable, priv->curbssparams.channel);
- if (ret)
- return ret;
-
- if (enable)
- lbs_add_mesh(priv);
- else
- lbs_remove_mesh(priv);
-
- return count;
-}
-
-/**
- * lbs_mesh attribute to be exported per ethX interface
- * through sysfs (/sys/class/net/ethX/lbs_mesh)
- */
-static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
-
-/**
- * anycast_mask attribute to be exported per mshX interface
- * through sysfs (/sys/class/net/mshX/anycast_mask)
- */
-static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
-
-static struct attribute *lbs_mesh_sysfs_entries[] = {
- &dev_attr_anycast_mask.attr,
- NULL,
-};
-
-static struct attribute_group lbs_mesh_attr_group = {
- .attrs = lbs_mesh_sysfs_entries,
-};
-
-/**
- * @brief This function opens the ethX or mshX interface
- *
- * @param dev A pointer to net_device structure
- * @return 0 or -EBUSY if monitor mode active
- */
-static int lbs_dev_open(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) dev->priv ;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_NET);
-
- spin_lock_irq(&priv->driver_lock);
-
- if (priv->monitormode) {
- ret = -EBUSY;
- goto out;
- }
-
- if (dev == priv->mesh_dev) {
- priv->mesh_open = 1;
- priv->mesh_connect_status = LBS_CONNECTED;
- netif_carrier_on(dev);
- } else {
- priv->infra_open = 1;
-
- if (priv->connect_status == LBS_CONNECTED)
- netif_carrier_on(dev);
- else
- netif_carrier_off(dev);
- }
-
- if (!priv->tx_pending_len)
- netif_wake_queue(dev);
- out:
-
- spin_unlock_irq(&priv->driver_lock);
- lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief This function closes the mshX interface
- *
- * @param dev A pointer to net_device structure
- * @return 0
- */
-static int lbs_mesh_stop(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) (dev->priv);
-
- lbs_deb_enter(LBS_DEB_MESH);
- spin_lock_irq(&priv->driver_lock);
-
- priv->mesh_open = 0;
- priv->mesh_connect_status = LBS_DISCONNECTED;
-
- netif_stop_queue(dev);
- netif_carrier_off(dev);
-
- spin_unlock_irq(&priv->driver_lock);
-
- lbs_deb_leave(LBS_DEB_MESH);
- return 0;
-}
-
-/**
- * @brief This function closes the ethX interface
- *
- * @param dev A pointer to net_device structure
- * @return 0
- */
-static int lbs_eth_stop(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) dev->priv;
-
- lbs_deb_enter(LBS_DEB_NET);
-
- spin_lock_irq(&priv->driver_lock);
- priv->infra_open = 0;
- netif_stop_queue(dev);
- spin_unlock_irq(&priv->driver_lock);
-
- lbs_deb_leave(LBS_DEB_NET);
- return 0;
-}
-
-static void lbs_tx_timeout(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) dev->priv;
-
- lbs_deb_enter(LBS_DEB_TX);
-
- lbs_pr_err("tx watch dog timeout\n");
-
- dev->trans_start = jiffies;
-
- if (priv->currenttxskb)
- lbs_send_tx_feedback(priv, 0);
-
- /* XX: Shouldn't we also call into the hw-specific driver
- to kick it somehow? */
- lbs_host_to_card_done(priv);
-
- /* More often than not, this actually happens because the
- firmware has crapped itself -- rather than just a very
- busy medium. So send a harmless command, and if/when
- _that_ times out, we'll kick it in the head. */
- lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
- 0, 0, NULL);
-
- lbs_deb_leave(LBS_DEB_TX);
-}
-
-void lbs_host_to_card_done(struct lbs_private *priv)
-{
- unsigned long flags;
-
- lbs_deb_enter(LBS_DEB_THREAD);
-
- spin_lock_irqsave(&priv->driver_lock, flags);
-
- priv->dnld_sent = DNLD_RES_RECEIVED;
-
- /* Wake main thread if commands are pending */
- if (!priv->cur_cmd || priv->tx_pending_len > 0)
- wake_up_interruptible(&priv->waitq);
-
- spin_unlock_irqrestore(&priv->driver_lock, flags);
- lbs_deb_leave(LBS_DEB_THREAD);
-}
-EXPORT_SYMBOL_GPL(lbs_host_to_card_done);
-
-/**
- * @brief This function returns the network statistics
- *
- * @param dev A pointer to struct lbs_private structure
- * @return A pointer to net_device_stats structure
- */
-static struct net_device_stats *lbs_get_stats(struct net_device *dev)
-{
- struct lbs_private *priv = (struct lbs_private *) dev->priv;
-
- lbs_deb_enter(LBS_DEB_NET);
- return &priv->stats;
-}
-
-static int lbs_set_mac_address(struct net_device *dev, void *addr)
-{
- int ret = 0;
- struct lbs_private *priv = (struct lbs_private *) dev->priv;
- struct sockaddr *phwaddr = addr;
- struct cmd_ds_802_11_mac_address cmd;
-
- lbs_deb_enter(LBS_DEB_NET);
-
- /* In case it was called from the mesh device */
- dev = priv->dev;
-
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- cmd.action = cpu_to_le16(CMD_ACT_SET);
- memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN);
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd);
- if (ret) {
- lbs_deb_net("set MAC address failed\n");
- goto done;
- }
-
- memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN);
- memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN);
- if (priv->mesh_dev)
- memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN);
-
-done:
- lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
- return ret;
-}
-
-static int lbs_copy_multicast_address(struct lbs_private *priv,
- struct net_device *dev)
-{
- int i = 0;
- struct dev_mc_list *mcptr = dev->mc_list;
-
- for (i = 0; i < dev->mc_count; i++) {
- memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN);
- mcptr = mcptr->next;
- }
- return i;
-}
-
-static void lbs_set_multicast_list(struct net_device *dev)
-{
- struct lbs_private *priv = dev->priv;
- int old_mac_control;
- DECLARE_MAC_BUF(mac);
-
- lbs_deb_enter(LBS_DEB_NET);
-
- old_mac_control = priv->mac_control;
-
- if (dev->flags & IFF_PROMISC) {
- lbs_deb_net("enable promiscuous mode\n");
- priv->mac_control |=
- CMD_ACT_MAC_PROMISCUOUS_ENABLE;
- priv->mac_control &=
- ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE |
- CMD_ACT_MAC_MULTICAST_ENABLE);
- } else {
- /* Multicast */
- priv->mac_control &=
- ~CMD_ACT_MAC_PROMISCUOUS_ENABLE;
-
- if (dev->flags & IFF_ALLMULTI || dev->mc_count >
- MRVDRV_MAX_MULTICAST_LIST_SIZE) {
- lbs_deb_net( "enabling all multicast\n");
- priv->mac_control |=
- CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
- priv->mac_control &=
- ~CMD_ACT_MAC_MULTICAST_ENABLE;
- } else {
- priv->mac_control &=
- ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
-
- if (!dev->mc_count) {
- lbs_deb_net("no multicast addresses, "
- "disabling multicast\n");
- priv->mac_control &=
- ~CMD_ACT_MAC_MULTICAST_ENABLE;
- } else {
- int i;
-
- priv->mac_control |=
- CMD_ACT_MAC_MULTICAST_ENABLE;
-
- priv->nr_of_multicastmacaddr =
- lbs_copy_multicast_address(priv, dev);
-
- lbs_deb_net("multicast addresses: %d\n",
- dev->mc_count);
-
- for (i = 0; i < dev->mc_count; i++) {
- lbs_deb_net("Multicast address %d: %s\n",
- i, print_mac(mac,
- priv->multicastlist[i]));
- }
- /* send multicast addresses to firmware */
- lbs_prepare_and_send_command(priv,
- CMD_MAC_MULTICAST_ADR,
- CMD_ACT_SET, 0, 0,
- NULL);
- }
- }
- }
-
- if (priv->mac_control != old_mac_control)
- lbs_set_mac_control(priv);
-
- lbs_deb_leave(LBS_DEB_NET);
-}
-
-/**
- * @brief This function handles the major jobs in the LBS driver.
- * It handles all events generated by firmware, RX data received
- * from firmware and TX data sent from kernel.
- *
- * @param data A pointer to lbs_thread structure
- * @return 0
- */
-static int lbs_thread(void *data)
-{
- struct net_device *dev = data;
- struct lbs_private *priv = dev->priv;
- wait_queue_t wait;
-
- lbs_deb_enter(LBS_DEB_THREAD);
-
- init_waitqueue_entry(&wait, current);
-
- for (;;) {
- int shouldsleep;
- u8 resp_idx;
-
- lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n",
- priv->currenttxskb, priv->dnld_sent);
-
- add_wait_queue(&priv->waitq, &wait);
- set_current_state(TASK_INTERRUPTIBLE);
- spin_lock_irq(&priv->driver_lock);
-
- if (kthread_should_stop())
- shouldsleep = 0; /* Bye */
- else if (priv->surpriseremoved)
- shouldsleep = 1; /* We need to wait until we're _told_ to die */
- else if (priv->psstate == PS_STATE_SLEEP)
- shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */
- else if (priv->cmd_timed_out)
- shouldsleep = 0; /* Command timed out. Recover */
- else if (!priv->fw_ready)
- shouldsleep = 1; /* Firmware not ready. We're waiting for it */
- else if (priv->dnld_sent)
- shouldsleep = 1; /* Something is en route to the device already */
- else if (priv->tx_pending_len > 0)
- shouldsleep = 0; /* We've a packet to send */
- else if (priv->cur_cmd)
- shouldsleep = 1; /* Can't send a command; one already running */
- else if (!list_empty(&priv->cmdpendingq))
- shouldsleep = 0; /* We have a command to send */
- else if (__kfifo_len(priv->event_fifo))
- shouldsleep = 0; /* We have an event to process */
- else if (priv->resp_len[priv->resp_idx])
- shouldsleep = 0; /* We have a command response */
- else
- shouldsleep = 1; /* No command */
-
- if (shouldsleep) {
- lbs_deb_thread("sleeping, connect_status %d, "
- "ps_mode %d, ps_state %d\n",
- priv->connect_status,
- priv->psmode, priv->psstate);
- spin_unlock_irq(&priv->driver_lock);
- schedule();
- } else
- spin_unlock_irq(&priv->driver_lock);
-
- lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n",
- priv->currenttxskb, priv->dnld_sent);
-
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&priv->waitq, &wait);
-
- lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n",
- priv->currenttxskb, priv->dnld_sent);
-
- if (kthread_should_stop()) {
- lbs_deb_thread("break from main thread\n");
- break;
- }
-
- if (priv->surpriseremoved) {
- lbs_deb_thread("adapter removed; waiting to die...\n");
- continue;
- }
-
- lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n",
- priv->currenttxskb, priv->dnld_sent);
-
- /* Process any pending command response */
- spin_lock_irq(&priv->driver_lock);
- resp_idx = priv->resp_idx;
- if (priv->resp_len[resp_idx]) {
- spin_unlock_irq(&priv->driver_lock);
- lbs_process_command_response(priv,
- priv->resp_buf[resp_idx],
- priv->resp_len[resp_idx]);
- spin_lock_irq(&priv->driver_lock);
- priv->resp_len[resp_idx] = 0;
- }
- spin_unlock_irq(&priv->driver_lock);
-
- /* command timeout stuff */
- if (priv->cmd_timed_out && priv->cur_cmd) {
- struct cmd_ctrl_node *cmdnode = priv->cur_cmd;
-
- if (++priv->nr_retries > 10) {
- lbs_pr_info("Excessive timeouts submitting command %x\n",
- le16_to_cpu(cmdnode->cmdbuf->command));
- lbs_complete_command(priv, cmdnode, -ETIMEDOUT);
- priv->nr_retries = 0;
-#ifdef CONFIG_OLPC
- if (machine_is_olpc()) {
- spin_unlock_irq(&priv->driver_lock);
- printk(KERN_CRIT "Resetting OLPC wireless via EC...\n");
- olpc_ec_cmd(0x25, NULL, 0, NULL, 0);
- spin_lock_irq(&priv->driver_lock);
- }
-#endif
- } else {
- priv->cur_cmd = NULL;
- priv->dnld_sent = DNLD_RES_RECEIVED;
- lbs_pr_info("requeueing command %x due to timeout (#%d)\n",
- le16_to_cpu(cmdnode->cmdbuf->command), priv->nr_retries);
-
- /* Stick it back at the _top_ of the pending queue
- for immediate resubmission */
- list_add(&cmdnode->list, &priv->cmdpendingq);
- }
- }
- priv->cmd_timed_out = 0;
-
- /* Process hardware events, e.g. card removed, link lost */
- spin_lock_irq(&priv->driver_lock);
- while (__kfifo_len(priv->event_fifo)) {
- u32 event;
-
- __kfifo_get(priv->event_fifo, (unsigned char *) &event,
- sizeof(event));
- spin_unlock_irq(&priv->driver_lock);
- lbs_process_event(priv, event);
- spin_lock_irq(&priv->driver_lock);
- }
- spin_unlock_irq(&priv->driver_lock);
-
- if (!priv->fw_ready)
- continue;
-
- /* Check if we need to confirm Sleep Request received previously */
- if (priv->psstate == PS_STATE_PRE_SLEEP &&
- !priv->dnld_sent && !priv->cur_cmd) {
- if (priv->connect_status == LBS_CONNECTED) {
- lbs_deb_thread("pre-sleep, currenttxskb %p, "
- "dnld_sent %d, cur_cmd %p\n",
- priv->currenttxskb, priv->dnld_sent,
- priv->cur_cmd);
-
- lbs_ps_confirm_sleep(priv);
- } else {
- /* workaround for firmware sending
- * deauth/linkloss event immediately
- * after sleep request; remove this
- * after firmware fixes it
- */
- priv->psstate = PS_STATE_AWAKE;
- lbs_pr_alert("ignore PS_SleepConfirm in "
- "non-connected state\n");
- }
- }
-
- /* The PS state is changed during processing of Sleep Request
- * event above
- */
- if ((priv->psstate == PS_STATE_SLEEP) ||
- (priv->psstate == PS_STATE_PRE_SLEEP))
- continue;
-
- /* Execute the next command */
- if (!priv->dnld_sent && !priv->cur_cmd)
- lbs_execute_next_command(priv);
-
- /* Wake-up command waiters which can't sleep in
- * lbs_prepare_and_send_command
- */
- if (!list_empty(&priv->cmdpendingq))
- wake_up_all(&priv->cmd_pending);
-
- spin_lock_irq(&priv->driver_lock);
- if (!priv->dnld_sent && priv->tx_pending_len > 0) {
- int ret = priv->hw_host_to_card(priv, MVMS_DAT,
- priv->tx_pending_buf,
- priv->tx_pending_len);
- if (ret) {
- lbs_deb_tx("host_to_card failed %d\n", ret);
- priv->dnld_sent = DNLD_RES_RECEIVED;
- }
- priv->tx_pending_len = 0;
- if (!priv->currenttxskb) {
- /* We can wake the queues immediately if we aren't
- waiting for TX feedback */
- if (priv->connect_status == LBS_CONNECTED)
- netif_wake_queue(priv->dev);
- if (priv->mesh_dev &&
- priv->mesh_connect_status == LBS_CONNECTED)
- netif_wake_queue(priv->mesh_dev);
- }
- }
- spin_unlock_irq(&priv->driver_lock);
- }
-
- del_timer(&priv->command_timer);
- wake_up_all(&priv->cmd_pending);
-
- lbs_deb_leave(LBS_DEB_THREAD);
- return 0;
-}
-
-static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy,
- struct cmd_header *cmd)
-{
- lbs_deb_enter(LBS_DEB_FW);
-
- netif_device_detach(priv->dev);
- if (priv->mesh_dev)
- netif_device_detach(priv->mesh_dev);
-
- priv->fw_ready = 0;
- lbs_deb_leave(LBS_DEB_FW);
- return 0;
-}
-
-int lbs_suspend(struct lbs_private *priv)
-{
- struct cmd_header cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_FW);
-
- if (priv->wol_criteria == 0xffffffff) {
- lbs_pr_info("Suspend attempt without configuring wake params!\n");
- return -EINVAL;
- }
-
- memset(&cmd, 0, sizeof(cmd));
-
- ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd,
- sizeof(cmd), lbs_suspend_callback, 0);
- if (ret)
- lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret);
-
- lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
- return ret;
-}
-EXPORT_SYMBOL_GPL(lbs_suspend);
-
-int lbs_resume(struct lbs_private *priv)
-{
- lbs_deb_enter(LBS_DEB_FW);
-
- priv->fw_ready = 1;
-
- /* Firmware doesn't seem to give us RX packets any more
- until we send it some command. Might as well update */
- lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
- 0, 0, NULL);
-
- netif_device_attach(priv->dev);
- if (priv->mesh_dev)
- netif_device_attach(priv->mesh_dev);
-
- lbs_deb_leave(LBS_DEB_FW);
- return 0;
-}
-EXPORT_SYMBOL_GPL(lbs_resume);
-
-/**
- * @brief This function downloads firmware image, gets
- * HW spec from firmware and set basic parameters to
- * firmware.
- *
- * @param priv A pointer to struct lbs_private structure
- * @return 0 or -1
- */
-static int lbs_setup_firmware(struct lbs_private *priv)
-{
- int ret = -1;
-
- lbs_deb_enter(LBS_DEB_FW);
-
- /*
- * Read MAC address from HW
- */
- memset(priv->current_addr, 0xff, ETH_ALEN);
- ret = lbs_update_hw_spec(priv);
- if (ret) {
- ret = -1;
- goto done;
- }
-
- lbs_set_mac_control(priv);
-
- ret = lbs_get_data_rate(priv);
- if (ret < 0) {
- ret = -1;
- goto done;
- }
-
- ret = 0;
-done:
- lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
- return ret;
-}
-
-/**
- * This function handles the timeout of command sending.
- * It will re-send the same command again.
- */
-static void command_timer_fn(unsigned long data)
-{
- struct lbs_private *priv = (struct lbs_private *)data;
- unsigned long flags;
-
- lbs_deb_enter(LBS_DEB_CMD);
- spin_lock_irqsave(&priv->driver_lock, flags);
-
- if (!priv->cur_cmd) {
- lbs_pr_info("Command timer expired; no pending command\n");
- goto out;
- }
-
- lbs_pr_info("Command %x timed out\n", le16_to_cpu(priv->cur_cmd->cmdbuf->command));
-
- priv->cmd_timed_out = 1;
- wake_up_interruptible(&priv->waitq);
-out:
- spin_unlock_irqrestore(&priv->driver_lock, flags);
- lbs_deb_leave(LBS_DEB_CMD);
-}
-
-static void lbs_sync_channel_worker(struct work_struct *work)
-{
- struct lbs_private *priv = container_of(work, struct lbs_private,
- sync_channel);
-
- lbs_deb_enter(LBS_DEB_MAIN);
- if (lbs_update_channel(priv))
- lbs_pr_info("Channel synchronization failed.");
- lbs_deb_leave(LBS_DEB_MAIN);
-}
-
-
-static int lbs_init_adapter(struct lbs_private *priv)
-{
- size_t bufsize;
- int i, ret = 0;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- /* Allocate buffer to store the BSSID list */
- bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor);
- priv->networks = kzalloc(bufsize, GFP_KERNEL);
- if (!priv->networks) {
- lbs_pr_err("Out of memory allocating beacons\n");
- ret = -1;
- goto out;
- }
-
- /* Initialize scan result lists */
- INIT_LIST_HEAD(&priv->network_free_list);
- INIT_LIST_HEAD(&priv->network_list);
- for (i = 0; i < MAX_NETWORK_COUNT; i++) {
- list_add_tail(&priv->networks[i].list,
- &priv->network_free_list);
- }
-
- memset(priv->current_addr, 0xff, ETH_ALEN);
-
- priv->connect_status = LBS_DISCONNECTED;
- priv->mesh_connect_status = LBS_DISCONNECTED;
- priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
- priv->mode = IW_MODE_INFRA;
- priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL;
- priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
- priv->radioon = RADIO_ON;
- priv->auto_rate = 1;
- priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
- priv->psmode = LBS802_11POWERMODECAM;
- priv->psstate = PS_STATE_FULL_POWER;
-
- mutex_init(&priv->lock);
-
- setup_timer(&priv->command_timer, command_timer_fn,
- (unsigned long)priv);
-
- INIT_LIST_HEAD(&priv->cmdfreeq);
- INIT_LIST_HEAD(&priv->cmdpendingq);
-
- spin_lock_init(&priv->driver_lock);
- init_waitqueue_head(&priv->cmd_pending);
-
- /* Allocate the command buffers */
- if (lbs_allocate_cmd_buffer(priv)) {
- lbs_pr_err("Out of memory allocating command buffers\n");
- ret = -ENOMEM;
- goto out;
- }
- priv->resp_idx = 0;
- priv->resp_len[0] = priv->resp_len[1] = 0;
-
- /* Create the event FIFO */
- priv->event_fifo = kfifo_alloc(sizeof(u32) * 16, GFP_KERNEL, NULL);
- if (IS_ERR(priv->event_fifo)) {
- lbs_pr_err("Out of memory allocating event FIFO buffer\n");
- ret = -ENOMEM;
- goto out;
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
-
- return ret;
-}
-
-static void lbs_free_adapter(struct lbs_private *priv)
-{
- lbs_deb_enter(LBS_DEB_MAIN);
-
- lbs_free_cmd_buffer(priv);
- if (priv->event_fifo)
- kfifo_free(priv->event_fifo);
- del_timer(&priv->command_timer);
- kfree(priv->networks);
- priv->networks = NULL;
-
- lbs_deb_leave(LBS_DEB_MAIN);
-}
-
-/**
- * @brief This function adds the card. it will probe the
- * card, allocate the lbs_priv and initialize the device.
- *
- * @param card A pointer to card
- * @return A pointer to struct lbs_private structure
- */
-struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
-{
- struct net_device *dev = NULL;
- struct lbs_private *priv = NULL;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- /* Allocate an Ethernet device and register it */
- dev = alloc_etherdev(sizeof(struct lbs_private));
- if (!dev) {
- lbs_pr_err("init ethX device failed\n");
- goto done;
- }
- priv = dev->priv;
-
- if (lbs_init_adapter(priv)) {
- lbs_pr_err("failed to initialize adapter structure.\n");
- goto err_init_adapter;
- }
-
- priv->dev = dev;
- priv->card = card;
- priv->mesh_open = 0;
- priv->infra_open = 0;
-
- /* Setup the OS Interface to our functions */
- dev->open = lbs_dev_open;
- dev->hard_start_xmit = lbs_hard_start_xmit;
- dev->stop = lbs_eth_stop;
- dev->set_mac_address = lbs_set_mac_address;
- dev->tx_timeout = lbs_tx_timeout;
- dev->do_ioctl = lbs_do_ioctl;
- dev->get_stats = lbs_get_stats;
- dev->watchdog_timeo = 5 * HZ;
- dev->ethtool_ops = &lbs_ethtool_ops;
-#ifdef WIRELESS_EXT
- dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def;
-#endif
- dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
- dev->set_multicast_list = lbs_set_multicast_list;
-
- SET_NETDEV_DEV(dev, dmdev);
-
- priv->rtap_net_dev = NULL;
-
- lbs_deb_thread("Starting main thread...\n");
- init_waitqueue_head(&priv->waitq);
- priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main");
- if (IS_ERR(priv->main_thread)) {
- lbs_deb_thread("Error creating main thread.\n");
- goto err_init_adapter;
- }
-
- priv->work_thread = create_singlethread_workqueue("lbs_worker");
- INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker);
- INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
- INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker);
-
- sprintf(priv->mesh_ssid, "mesh");
- priv->mesh_ssid_len = 4;
-
- priv->wol_criteria = 0xffffffff;
- priv->wol_gpio = 0xff;
-
- goto done;
-
-err_init_adapter:
- lbs_free_adapter(priv);
- free_netdev(dev);
- priv = NULL;
-
-done:
- lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv);
- return priv;
-}
-EXPORT_SYMBOL_GPL(lbs_add_card);
-
-
-int lbs_remove_card(struct lbs_private *priv)
-{
- struct net_device *dev = priv->dev;
- union iwreq_data wrqu;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- lbs_remove_mesh(priv);
- lbs_remove_rtap(priv);
-
- dev = priv->dev;
-
- cancel_delayed_work(&priv->scan_work);
- cancel_delayed_work(&priv->assoc_work);
- destroy_workqueue(priv->work_thread);
-
- if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
- priv->psmode = LBS802_11POWERMODECAM;
- lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
- }
-
- memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-
- /* Stop the thread servicing the interrupts */
- priv->surpriseremoved = 1;
- kthread_stop(priv->main_thread);
-
- lbs_free_adapter(priv);
-
- priv->dev = NULL;
- free_netdev(dev);
-
- lbs_deb_leave(LBS_DEB_MAIN);
- return 0;
-}
-EXPORT_SYMBOL_GPL(lbs_remove_card);
-
-
-int lbs_start_card(struct lbs_private *priv)
-{
- struct net_device *dev = priv->dev;
- int ret = -1;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- /* poke the firmware */
- ret = lbs_setup_firmware(priv);
- if (ret)
- goto done;
-
- /* init 802.11d */
- lbs_init_11d(priv);
-
- if (register_netdev(dev)) {
- lbs_pr_err("cannot register ethX device\n");
- goto done;
- }
- if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
- lbs_pr_err("cannot register lbs_rtap attribute\n");
-
- lbs_update_channel(priv);
-
- /* 5.0.16p0 is known to NOT support any mesh */
- if (priv->fwrelease > 0x05001000) {
- /* Enable mesh, if supported, and work out which TLV it uses.
- 0x100 + 291 is an unofficial value used in 5.110.20.pXX
- 0x100 + 37 is the official value used in 5.110.21.pXX
- but we check them in that order because 20.pXX doesn't
- give an error -- it just silently fails. */
-
- /* 5.110.20.pXX firmware will fail the command if the channel
- doesn't match the existing channel. But only if the TLV
- is correct. If the channel is wrong, _BOTH_ versions will
- give an error to 0x100+291, and allow 0x100+37 to succeed.
- It's just that 5.110.20.pXX will not have done anything
- useful */
-
- priv->mesh_tlv = 0x100 + 291;
- if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) {
- priv->mesh_tlv = 0x100 + 37;
- if (lbs_mesh_config(priv, 1, priv->curbssparams.channel))
- priv->mesh_tlv = 0;
- }
- if (priv->mesh_tlv) {
- lbs_add_mesh(priv);
-
- if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
- lbs_pr_err("cannot register lbs_mesh attribute\n");
- }
- }
-
- lbs_debugfs_init_one(priv, dev);
-
- lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name);
-
- ret = 0;
-
-done:
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
- return ret;
-}
-EXPORT_SYMBOL_GPL(lbs_start_card);
-
-
-int lbs_stop_card(struct lbs_private *priv)
-{
- struct net_device *dev = priv->dev;
- int ret = -1;
- struct cmd_ctrl_node *cmdnode;
- unsigned long flags;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- netif_stop_queue(priv->dev);
- netif_carrier_off(priv->dev);
-
- lbs_debugfs_remove_one(priv);
- device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
- if (priv->mesh_tlv)
- device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
-
- /* Flush pending command nodes */
- spin_lock_irqsave(&priv->driver_lock, flags);
- list_for_each_entry(cmdnode, &priv->cmdpendingq, list) {
- cmdnode->result = -ENOENT;
- cmdnode->cmdwaitqwoken = 1;
- wake_up_interruptible(&cmdnode->cmdwait_q);
- }
- spin_unlock_irqrestore(&priv->driver_lock, flags);
-
- unregister_netdev(dev);
-
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
- return ret;
-}
-EXPORT_SYMBOL_GPL(lbs_stop_card);
-
-
-/**
- * @brief This function adds mshX interface
- *
- * @param priv A pointer to the struct lbs_private structure
- * @return 0 if successful, -X otherwise
- */
-static int lbs_add_mesh(struct lbs_private *priv)
-{
- struct net_device *mesh_dev = NULL;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_MESH);
-
- /* Allocate a virtual mesh device */
- if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) {
- lbs_deb_mesh("init mshX device failed\n");
- ret = -ENOMEM;
- goto done;
- }
- mesh_dev->priv = priv;
- priv->mesh_dev = mesh_dev;
-
- mesh_dev->open = lbs_dev_open;
- mesh_dev->hard_start_xmit = lbs_hard_start_xmit;
- mesh_dev->stop = lbs_mesh_stop;
- mesh_dev->do_ioctl = lbs_do_ioctl;
- mesh_dev->get_stats = lbs_get_stats;
- mesh_dev->set_mac_address = lbs_set_mac_address;
- mesh_dev->ethtool_ops = &lbs_ethtool_ops;
- memcpy(mesh_dev->dev_addr, priv->dev->dev_addr,
- sizeof(priv->dev->dev_addr));
-
- SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
-
-#ifdef WIRELESS_EXT
- mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def;
-#endif
- /* Register virtual mesh interface */
- ret = register_netdev(mesh_dev);
- if (ret) {
- lbs_pr_err("cannot register mshX virtual interface\n");
- goto err_free;
- }
-
- ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
- if (ret)
- goto err_unregister;
-
- /* Everything successful */
- ret = 0;
- goto done;
-
-err_unregister:
- unregister_netdev(mesh_dev);
-
-err_free:
- free_netdev(mesh_dev);
-
-done:
- lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
- return ret;
-}
-
-static void lbs_remove_mesh(struct lbs_private *priv)
-{
- struct net_device *mesh_dev;
-
-
- mesh_dev = priv->mesh_dev;
- if (!mesh_dev)
- return;
-
- lbs_deb_enter(LBS_DEB_MESH);
- netif_stop_queue(mesh_dev);
- netif_carrier_off(priv->mesh_dev);
- sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
- unregister_netdev(mesh_dev);
- priv->mesh_dev = NULL;
- free_netdev(mesh_dev);
- lbs_deb_leave(LBS_DEB_MESH);
-}
-
-/**
- * @brief This function finds the CFP in
- * region_cfp_table based on region and band parameter.
- *
- * @param region The region code
- * @param band The band
- * @param cfp_no A pointer to CFP number
- * @return A pointer to CFP
- */
-struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no)
-{
- int i, end;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- end = ARRAY_SIZE(region_cfp_table);
-
- for (i = 0; i < end ; i++) {
- lbs_deb_main("region_cfp_table[i].region=%d\n",
- region_cfp_table[i].region);
- if (region_cfp_table[i].region == region) {
- *cfp_no = region_cfp_table[i].cfp_no_BG;
- lbs_deb_leave(LBS_DEB_MAIN);
- return region_cfp_table[i].cfp_BG;
- }
- }
-
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL");
- return NULL;
-}
-
-int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band)
-{
- int ret = 0;
- int i = 0;
-
- struct chan_freq_power *cfp;
- int cfp_no;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- memset(priv->region_channel, 0, sizeof(priv->region_channel));
-
- cfp = lbs_get_region_cfp_table(region, &cfp_no);
- if (cfp != NULL) {
- priv->region_channel[i].nrcfp = cfp_no;
- priv->region_channel[i].CFP = cfp;
- } else {
- lbs_deb_main("wrong region code %#x in band B/G\n",
- region);
- ret = -1;
- goto out;
- }
- priv->region_channel[i].valid = 1;
- priv->region_channel[i].region = region;
- priv->region_channel[i].band = band;
- i++;
-out:
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
- return ret;
-}
-
-void lbs_queue_event(struct lbs_private *priv, u32 event)
-{
- unsigned long flags;
-
- lbs_deb_enter(LBS_DEB_THREAD);
- spin_lock_irqsave(&priv->driver_lock, flags);
-
- if (priv->psstate == PS_STATE_SLEEP)
- priv->psstate = PS_STATE_AWAKE;
-
- __kfifo_put(priv->event_fifo, (unsigned char *) &event, sizeof(u32));
-
- wake_up_interruptible(&priv->waitq);
-
- spin_unlock_irqrestore(&priv->driver_lock, flags);
- lbs_deb_leave(LBS_DEB_THREAD);
-}
-EXPORT_SYMBOL_GPL(lbs_queue_event);
-
-void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx)
-{
- lbs_deb_enter(LBS_DEB_THREAD);
-
- if (priv->psstate == PS_STATE_SLEEP)
- priv->psstate = PS_STATE_AWAKE;
-
- /* Swap buffers by flipping the response index */
- BUG_ON(resp_idx > 1);
- priv->resp_idx = resp_idx;
-
- wake_up_interruptible(&priv->waitq);
-
- lbs_deb_leave(LBS_DEB_THREAD);
-}
-EXPORT_SYMBOL_GPL(lbs_notify_command_response);
-
-static int __init lbs_init_module(void)
-{
- lbs_deb_enter(LBS_DEB_MAIN);
- memset(&confirm_sleep, 0, sizeof(confirm_sleep));
- confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE);
- confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep));
- confirm_sleep.action = cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED);
- lbs_debugfs_init();
- lbs_deb_leave(LBS_DEB_MAIN);
- return 0;
-}
-
-static void __exit lbs_exit_module(void)
-{
- lbs_deb_enter(LBS_DEB_MAIN);
- lbs_debugfs_remove();
- lbs_deb_leave(LBS_DEB_MAIN);
-}
-
-/*
- * rtap interface support fuctions
- */
-
-static int lbs_rtap_open(struct net_device *dev)
-{
- /* Yes, _stop_ the queue. Because we don't support injection */
- lbs_deb_enter(LBS_DEB_MAIN);
- netif_carrier_off(dev);
- netif_stop_queue(dev);
- lbs_deb_leave(LBS_DEB_LEAVE);
- return 0;
-}
-
-static int lbs_rtap_stop(struct net_device *dev)
-{
- lbs_deb_enter(LBS_DEB_MAIN);
- lbs_deb_leave(LBS_DEB_MAIN);
- return 0;
-}
-
-static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- netif_stop_queue(dev);
- return NETDEV_TX_BUSY;
-}
-
-static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev)
-{
- struct lbs_private *priv = dev->priv;
- lbs_deb_enter(LBS_DEB_NET);
- return &priv->stats;
-}
-
-
-static void lbs_remove_rtap(struct lbs_private *priv)
-{
- lbs_deb_enter(LBS_DEB_MAIN);
- if (priv->rtap_net_dev == NULL)
- return;
- unregister_netdev(priv->rtap_net_dev);
- free_netdev(priv->rtap_net_dev);
- priv->rtap_net_dev = NULL;
- lbs_deb_leave(LBS_DEB_MAIN);
-}
-
-static int lbs_add_rtap(struct lbs_private *priv)
-{
- int ret = 0;
- struct net_device *rtap_dev;
-
- lbs_deb_enter(LBS_DEB_MAIN);
- if (priv->rtap_net_dev) {
- ret = -EPERM;
- goto out;
- }
-
- rtap_dev = alloc_netdev(0, "rtap%d", ether_setup);
- if (rtap_dev == NULL) {
- ret = -ENOMEM;
- goto out;
- }
-
- memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN);
- rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP;
- rtap_dev->open = lbs_rtap_open;
- rtap_dev->stop = lbs_rtap_stop;
- rtap_dev->get_stats = lbs_rtap_get_stats;
- rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit;
- rtap_dev->set_multicast_list = lbs_set_multicast_list;
- rtap_dev->priv = priv;
- SET_NETDEV_DEV(rtap_dev, priv->dev->dev.parent);
-
- ret = register_netdev(rtap_dev);
- if (ret) {
- free_netdev(rtap_dev);
- goto out;
- }
- priv->rtap_net_dev = rtap_dev;
-
-out:
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
- return ret;
-}
-
-#ifndef CONFIG_IEEE80211
-const char *escape_essid(const char *essid, u8 essid_len)
-{
- static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
- const char *s = essid;
- char *d = escaped;
-
- if (ieee80211_is_empty_essid(essid, essid_len)) {
- memcpy(escaped, "<hidden>", sizeof("<hidden>"));
- return escaped;
- }
-
- essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE);
- while (essid_len--) {
- if (*s == '\0') {
- *d++ = '\\';
- *d++ = '0';
- s++;
- } else {
- *d++ = *s++;
- }
- }
- *d = '\0';
- return escaped;
-}
-#endif
-
-module_init(lbs_init_module);
-module_exit(lbs_exit_module);
-
-MODULE_DESCRIPTION("Libertas WLAN Driver Library");
-MODULE_AUTHOR("Marvell International Ltd.");
-MODULE_LICENSE("GPL");