Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[pandora-kernel.git] / drivers / net / wireless / iwlwifi / iwl-agn.c
index 344e99d..6aeb82b 100644 (file)
@@ -1,6 +1,6 @@
 /******************************************************************************
  *
- * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
  *
  * Portions of this file are derived from the ipw3945 project, as well
  * as portions of the ieee80211 subsystem header files.
 #define VD
 #endif
 
-#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
-#define VS "s"
-#else
-#define VS
-#endif
-
-#define DRV_VERSION     IWLWIFI_VERSION VD VS
+#define DRV_VERSION     IWLWIFI_VERSION VD
 
 
 MODULE_DESCRIPTION(DRV_DESCRIPTION);
@@ -203,7 +197,8 @@ int iwl_commit_rxon(struct iwl_priv *priv)
        priv->start_calib = 0;
 
        /* Add the broadcast address so we can send broadcast frames */
-       iwl_add_bcast_station(priv);
+       priv->cfg->ops->lib->add_bcast_station(priv);
+
 
        /* If we have set the ASSOC_MSK and we are in BSS mode then
         * add the IWL_AP_ID to the station rate table */
@@ -704,7 +699,7 @@ static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base,
        spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
 }
 
-void iwl_continuous_event_trace(struct iwl_priv *priv)
+static void iwl_continuous_event_trace(struct iwl_priv *priv)
 {
        u32 capacity;   /* event log capacity in # entries */
        u32 base;       /* SRAM byte address of event log header */
@@ -888,6 +883,8 @@ static void iwl_setup_rx_handlers(struct iwl_priv *priv)
        priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive;
        priv->rx_handlers[REPLY_ERROR] = iwl_rx_reply_error;
        priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl_rx_csa;
+       priv->rx_handlers[SPECTRUM_MEASURE_NOTIFICATION] =
+                       iwl_rx_spectrum_measure_notif;
        priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif;
        priv->rx_handlers[PM_DEBUG_STATISTIC_NOTIFIC] =
            iwl_rx_pm_debug_statistics_notif;
@@ -901,7 +898,6 @@ static void iwl_setup_rx_handlers(struct iwl_priv *priv)
        priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_reply_statistics;
        priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics;
 
-       iwl_setup_spectrum_handlers(priv);
        iwl_setup_rx_scan_handlers(priv);
 
        /* status change handler */
@@ -1761,7 +1757,7 @@ static const char *desc_lookup_text[] = {
        "DEBUG_1",
        "DEBUG_2",
        "DEBUG_3",
-       "UNKNOWN"
+       "ADVANCED SYSASSERT"
 };
 
 static const char *desc_lookup(int i)
@@ -1965,7 +1961,7 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
                IWL_ERR(priv,
                        "Invalid event log pointer 0x%08X for %s uCode\n",
                        base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
-               return pos;
+               return -EINVAL;
        }
 
        /* event log header */
@@ -2013,7 +2009,7 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
                        bufsz = size * 48;
                *buf = kmalloc(bufsz, GFP_KERNEL);
                if (!*buf)
-                       return pos;
+                       return -ENOMEM;
        }
        if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) {
                /*
@@ -2443,18 +2439,6 @@ static void iwl_bg_run_time_calib_work(struct work_struct *work)
        return;
 }
 
-static void iwl_bg_up(struct work_struct *data)
-{
-       struct iwl_priv *priv = container_of(data, struct iwl_priv, up);
-
-       if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-               return;
-
-       mutex_lock(&priv->mutex);
-       __iwl_up(priv);
-       mutex_unlock(&priv->mutex);
-}
-
 static void iwl_bg_restart(struct work_struct *data)
 {
        struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
@@ -2471,7 +2455,13 @@ static void iwl_bg_restart(struct work_struct *data)
                ieee80211_restart_hw(priv->hw);
        } else {
                iwl_down(priv);
-               queue_work(priv->workqueue, &priv->up);
+
+               if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+                       return;
+
+               mutex_lock(&priv->mutex);
+               __iwl_up(priv);
+               mutex_unlock(&priv->mutex);
        }
 }
 
@@ -2607,7 +2597,7 @@ void iwl_post_associate(struct iwl_priv *priv)
  * Not a mac80211 entry point function, but it fits in with all the
  * other mac80211 functions grouped here.
  */
-static int iwl_setup_mac(struct iwl_priv *priv)
+static int iwl_mac_setup_register(struct iwl_priv *priv)
 {
        int ret;
        struct ieee80211_hw *hw = priv->hw;
@@ -2641,7 +2631,7 @@ static int iwl_setup_mac(struct iwl_priv *priv)
         */
        hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
-       hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
+       hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX + 1;
        /* we create the 802.11 header and a zero-length SSID element */
        hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
 
@@ -2839,14 +2829,18 @@ void iwl_config_ap(struct iwl_priv *priv)
 }
 
 static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw,
-                       struct ieee80211_key_conf *keyconf, const u8 *addr,
-                       u32 iv32, u16 *phase1key)
+                                   struct ieee80211_vif *vif,
+                                   struct ieee80211_key_conf *keyconf,
+                                   struct ieee80211_sta *sta,
+                                   u32 iv32, u16 *phase1key)
 {
 
        struct iwl_priv *priv = hw->priv;
        IWL_DEBUG_MAC80211(priv, "enter\n");
 
-       iwl_update_tkip_key(priv, keyconf, addr, iv32, phase1key);
+       iwl_update_tkip_key(priv, keyconf,
+                           sta ? sta->addr : iwl_bcast_addr,
+                           iv32, phase1key);
 
        IWL_DEBUG_MAC80211(priv, "leave\n");
 }
@@ -3007,6 +3001,8 @@ static void iwl_mac_sta_notify(struct ieee80211_hw *hw,
                break;
        case STA_NOTIFY_AWAKE:
                WARN_ON(!sta_priv->client);
+               if (!sta_priv->asleep)
+                       break;
                sta_priv->asleep = false;
                sta_id = iwl_find_station(priv, sta->addr);
                if (sta_id != IWL_INVALID_STATION)
@@ -3283,7 +3279,6 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv)
 
        init_waitqueue_head(&priv->wait_command_queue);
 
-       INIT_WORK(&priv->up, iwl_bg_up);
        INIT_WORK(&priv->restart, iwl_bg_restart);
        INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish);
        INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
@@ -3358,6 +3353,7 @@ static int iwl_init_drv(struct iwl_priv *priv)
        INIT_LIST_HEAD(&priv->free_frames);
 
        mutex_init(&priv->mutex);
+       mutex_init(&priv->sync_cmd_mutex);
 
        /* Clear the driver's (not device's) station table */
        iwl_clear_stations_table(priv);
@@ -3368,6 +3364,13 @@ static int iwl_init_drv(struct iwl_priv *priv)
 
        priv->iw_mode = NL80211_IFTYPE_STATION;
        priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
+       priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
+
+       /* initialize force reset */
+       priv->force_reset[IWL_RF_RESET].reset_duration =
+               IWL_DELAY_NEXT_FORCE_RF_RESET;
+       priv->force_reset[IWL_FW_RESET].reset_duration =
+               IWL_DELAY_NEXT_FORCE_FW_RELOAD;
 
        /* Choose which receivers/antennas to use */
        if (priv->cfg->ops->hcmd->set_rxon_chain)
@@ -3444,7 +3447,6 @@ static struct ieee80211_ops iwl_hw_ops = {
        .set_key = iwl_mac_set_key,
        .update_tkip_key = iwl_mac_update_tkip_key,
        .get_stats = iwl_mac_get_stats,
-       .get_tx_stats = iwl_mac_get_tx_stats,
        .conf_tx = iwl_mac_conf_tx,
        .reset_tsf = iwl_mac_reset_tsf,
        .bss_info_changed = iwl_bss_info_changed,
@@ -3545,6 +3547,14 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         */
        spin_lock_init(&priv->reg_lock);
        spin_lock_init(&priv->lock);
+
+       /*
+        * stop and reset the on-board processor just in case it is in a
+        * strange state ... like being left stranded by a primary kernel
+        * and this is now the kdump kernel trying to start up
+        */
+       iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
+
        iwl_hw_detect(priv);
        IWL_INFO(priv, "Detected Intel Wireless WiFi Link %s REV=0x%X\n",
                priv->cfg->name, priv->hw_rev);
@@ -3619,9 +3629,9 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        iwl_setup_deferred_work(priv);
        iwl_setup_rx_handlers(priv);
 
-       /**********************************
-        * 8. Setup and register mac80211
-        **********************************/
+       /*********************************************
+        * 8. Enable interrupts and read RFKILL state
+        *********************************************/
 
        /* enable interrupts if needed: hw bug w/a */
        pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd);
@@ -3632,14 +3642,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        iwl_enable_interrupts(priv);
 
-       err = iwl_setup_mac(priv);
-       if (err)
-               goto out_remove_sysfs;
-
-       err = iwl_dbgfs_register(priv, DRV_NAME);
-       if (err)
-               IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
-
        /* If platform's RF_KILL switch is NOT set to KILL */
        if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
                clear_bit(STATUS_RF_KILL_HW, &priv->status);
@@ -3651,6 +3653,18 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        iwl_power_initialize(priv);
        iwl_tt_initialize(priv);
+
+       /**************************************************
+        * 9. Setup and register with mac80211 and debugfs
+        **************************************************/
+       err = iwl_mac_setup_register(priv);
+       if (err)
+               goto out_remove_sysfs;
+
+       err = iwl_dbgfs_register(priv, DRV_NAME);
+       if (err)
+               IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
+
        return 0;
 
  out_remove_sysfs: