Merge branch 'wireless-next-2.6' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6

24 files changed, 916 insertions, 458 deletions

diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index dc8ed152766..6491e27baac 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -30,9 +30,11 @@ config IWLWIFI_DEBUG
 
 config IWLWIFI_DEBUGFS
         bool "iwlagn debugfs support"
-        depends on IWLWIFI && IWLWIFI_DEBUG && MAC80211_DEBUGFS
+        depends on IWLWIFI && MAC80211_DEBUGFS
         ---help---
-	  Enable creation of debugfs files for the iwlwifi drivers.
+	  Enable creation of debugfs files for the iwlwifi drivers. This
+	  is a low-impact option that allows getting insight into the
+	  driver's state at runtime.
 
 config IWLWIFI_DEVICE_TRACING
 	bool "iwlwifi device access tracing"
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c
index 6a9c64a50e3..ef0835b01b6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c
@@ -28,6 +28,28 @@
 
 #include "iwl-3945-debugfs.h"
 
+
+static int iwl3945_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
+{
+	int p = 0;
+
+	p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
+		       le32_to_cpu(priv->_3945.statistics.flag));
+	if (le32_to_cpu(priv->_3945.statistics.flag) &
+			UCODE_STATISTICS_CLEAR_MSK)
+		p += scnprintf(buf + p, bufsz - p,
+			       "\tStatistics have been cleared\n");
+	p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
+		       (le32_to_cpu(priv->_3945.statistics.flag) &
+			UCODE_STATISTICS_FREQUENCY_MSK)
+			? "2.4 GHz" : "5.2 GHz");
+	p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
+		       (le32_to_cpu(priv->_3945.statistics.flag) &
+			UCODE_STATISTICS_NARROW_BAND_MSK)
+			? "enabled" : "disabled");
+	return p;
+}
+
 ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
 				    char __user *user_buf,
 				    size_t count, loff_t *ppos)
@@ -70,7 +92,7 @@ ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
 	max_cck = &priv->_3945.max_delta.rx.cck;
 	max_general = &priv->_3945.max_delta.rx.general;
 
-	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+	pos += iwl3945_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 			 "acumulative       delta         max\n",
 			 "Statistics_Rx - OFDM:");
@@ -331,7 +353,7 @@ ssize_t iwl3945_ucode_tx_stats_read(struct file *file,
 	accum_tx = &priv->_3945.accum_statistics.tx;
 	delta_tx = &priv->_3945.delta_statistics.tx;
 	max_tx = &priv->_3945.max_delta.tx;
-	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+	pos += iwl3945_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 			 "acumulative       delta         max\n",
 			 "Statistics_Tx:");
@@ -438,7 +460,7 @@ ssize_t iwl3945_ucode_general_stats_read(struct file *file,
 	accum_div = &priv->_3945.accum_statistics.general.div;
 	delta_div = &priv->_3945.delta_statistics.general.div;
 	max_div = &priv->_3945.max_delta.general.div;
-	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+	pos += iwl3945_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 			 "acumulative       delta         max\n",
 			 "Statistics_General:");
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 068f7f8435c..de915c4b9e5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -352,7 +352,7 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv,
  *  RX handler implementations
  *
  *****************************************************************************/
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 /*
  *  based on the assumption of all statistics counter are in DWORD
  *  FIXME: This function is for debugging, do not deal with
@@ -460,7 +460,7 @@ void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 	IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n",
 		     (int)sizeof(struct iwl3945_notif_statistics),
 		     le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 	iwl3945_accumulative_statistics(priv, (__le32 *)&pkt->u.raw);
 #endif
 	iwl_recover_from_statistics(priv, pkt);
@@ -475,7 +475,7 @@ void iwl3945_reply_statistics(struct iwl_priv *priv,
 	__le32 *flag = (__le32 *)&pkt->u.raw;
 
 	if (le32_to_cpu(*flag) & UCODE_STATISTICS_CLEAR_MSK) {
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 		memset(&priv->_3945.accum_statistics, 0,
 			sizeof(struct iwl3945_notif_statistics));
 		memset(&priv->_3945.delta_statistics, 0,
@@ -947,8 +947,7 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 		       tx_cmd->supp_rates[1], tx_cmd->supp_rates[0]);
 }
 
-static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
-			   u16 tx_rate, u8 flags)
+static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, u16 tx_rate)
 {
 	unsigned long flags_spin;
 	struct iwl_station_entry *station;
@@ -962,10 +961,9 @@ static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
 	station->sta.sta.modify_mask = STA_MODIFY_TX_RATE_MSK;
 	station->sta.rate_n_flags = cpu_to_le16(tx_rate);
 	station->sta.mode = STA_CONTROL_MODIFY_MSK;
-
+	iwl_send_add_sta(priv, &station->sta, CMD_ASYNC);
 	spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
 
-	iwl_send_add_sta(priv, &station->sta, flags);
 	IWL_DEBUG_RATE(priv, "SCALE sync station %d to rate %d\n",
 			sta_id, tx_rate);
 	return sta_id;
@@ -2473,8 +2471,7 @@ static int iwl3945_manage_ibss_station(struct iwl_priv *priv,
 
 		iwl3945_sync_sta(priv, vif_priv->ibss_bssid_sta_id,
 				 (priv->band == IEEE80211_BAND_5GHZ) ?
-				 IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP,
-				 CMD_ASYNC);
+				 IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP);
 		iwl3945_rate_scale_init(priv->hw, vif_priv->ibss_bssid_sta_id);
 
 		return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index d3afddae8d9..ad4d7d11c3b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1542,7 +1542,7 @@ static int iwl4965_hw_get_temperature(struct iwl_priv *priv)
 	u32 R4;
 
 	if (test_bit(STATUS_TEMPERATURE, &priv->status) &&
-		(priv->statistics.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK)) {
+		(priv->_agn.statistics.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK)) {
 		IWL_DEBUG_TEMP(priv, "Running HT40 temperature calibration\n");
 		R1 = (s32)le32_to_cpu(priv->card_alive_init.therm_r1[1]);
 		R2 = (s32)le32_to_cpu(priv->card_alive_init.therm_r2[1]);
@@ -1567,7 +1567,7 @@ static int iwl4965_hw_get_temperature(struct iwl_priv *priv)
 		vt = sign_extend(R4, 23);
 	else
 		vt = sign_extend(
-			le32_to_cpu(priv->statistics.general.temperature), 23);
+			le32_to_cpu(priv->_agn.statistics.general.temperature), 23);
 
 	IWL_DEBUG_TEMP(priv, "Calib values R[1-3]: %d %d %d R4: %d\n", R1, R2, R3, vt);
 
@@ -2026,6 +2026,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 	int sta_id;
 	int freed;
 	u8 *qc = NULL;
+	unsigned long flags;
 
 	if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) {
 		IWL_ERR(priv, "Read index for DMA queue txq_id (%d) index %d "
@@ -2050,10 +2051,10 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 		return;
 	}
 
+	spin_lock_irqsave(&priv->sta_lock, flags);
 	if (txq->sched_retry) {
 		const u32 scd_ssn = iwl4965_get_scd_ssn(tx_resp);
 		struct iwl_ht_agg *agg = NULL;
-
 		WARN_ON(!qc);
 
 		agg = &priv->stations[sta_id].tid[tid].agg;
@@ -2110,6 +2111,8 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 		iwlagn_txq_check_empty(priv, sta_id, tid, txq_id);
 
 	iwl_check_abort_status(priv, tx_resp->frame_count, status);
+
+	spin_unlock_irqrestore(&priv->sta_lock, flags);
 }
 
 static int iwl4965_calc_rssi(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index a28af7eb67e..447ec4885a4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -260,7 +260,7 @@ static void iwl5150_temperature(struct iwl_priv *priv)
 	u32 vt = 0;
 	s32 offset =  iwl_temp_calib_to_offset(priv);
 
-	vt = le32_to_cpu(priv->statistics.general.temperature);
+	vt = le32_to_cpu(priv->_agn.statistics.general.temperature);
 	vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
 	/* now vt hold the temperature in Kelvin */
 	priv->temperature = KELVIN_TO_CELSIUS(vt);
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 9fbf54cd3e1..73713f6a8df 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -71,6 +71,10 @@
 #define _IWL6000G2A_MODULE_FIRMWARE(api) IWL6000G2A_FW_PRE #api ".ucode"
 #define IWL6000G2A_MODULE_FIRMWARE(api) _IWL6000G2A_MODULE_FIRMWARE(api)
 
+#define IWL6000G2B_FW_PRE "iwlwifi-6000g2b-"
+#define _IWL6000G2B_MODULE_FIRMWARE(api) IWL6000G2B_FW_PRE #api ".ucode"
+#define IWL6000G2B_MODULE_FIRMWARE(api) _IWL6000G2B_MODULE_FIRMWARE(api)
+
 
 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
 {
@@ -335,6 +339,25 @@ static const struct iwl_ops iwl6000_ops = {
 	.led = &iwlagn_led_ops,
 };
 
+static void do_not_send_bt_config(struct iwl_priv *priv)
+{
+}
+
+static struct iwl_hcmd_ops iwl6000g2b_hcmd = {
+	.rxon_assoc = iwlagn_send_rxon_assoc,
+	.commit_rxon = iwl_commit_rxon,
+	.set_rxon_chain = iwl_set_rxon_chain,
+	.set_tx_ant = iwlagn_send_tx_ant_config,
+	.send_bt_config = do_not_send_bt_config,
+};
+
+static const struct iwl_ops iwl6000g2b_ops = {
+	.lib = &iwl6000_lib,
+	.hcmd = &iwl6000g2b_hcmd,
+	.utils = &iwlagn_hcmd_utils,
+	.led = &iwlagn_led_ops,
+};
+
 static struct iwl_lib_ops iwl6050_lib = {
 	.set_hw_params = iwl6050_hw_set_hw_params,
 	.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
@@ -445,6 +468,268 @@ struct iwl_cfg iwl6000g2a_2agn_cfg = {
 	.chain_noise_calib_by_driver = true,
 };
 
+struct iwl_cfg iwl6000g2a_2abg_cfg = {
+	.name = "6000 Series 2x2 ABG Gen2a",
+	.fw_name_pre = IWL6000G2A_FW_PRE,
+	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
+	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
+	.sku = IWL_SKU_A|IWL_SKU_G,
+	.ops = &iwl6000_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.mod_params = &iwlagn_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.pa_type = IWL_PA_SYSTEM,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.monitor_recover_period = IWL_MONITORING_PERIOD,
+	.max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2a_2bg_cfg = {
+	.name = "6000 Series 2x2 BG Gen2a",
+	.fw_name_pre = IWL6000G2A_FW_PRE,
+	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
+	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
+	.sku = IWL_SKU_G,
+	.ops = &iwl6000_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.mod_params = &iwlagn_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.pa_type = IWL_PA_SYSTEM,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.monitor_recover_period = IWL_MONITORING_PERIOD,
+	.max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_2agn_cfg = {
+	.name = "6000 Series 2x2 AGN Gen2b",
+	.fw_name_pre = IWL6000G2B_FW_PRE,
+	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
+	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
+	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
+	.ops = &iwl6000g2b_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.mod_params = &iwlagn_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.pa_type = IWL_PA_SYSTEM,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.ht_greenfield_support = true,
+	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.monitor_recover_period = IWL_MONITORING_PERIOD,
+	.max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_2abg_cfg = {
+	.name = "6000 Series 2x2 ABG Gen2b",
+	.fw_name_pre = IWL6000G2B_FW_PRE,
+	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
+	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
+	.sku = IWL_SKU_A|IWL_SKU_G,
+	.ops = &iwl6000g2b_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.mod_params = &iwlagn_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.pa_type = IWL_PA_SYSTEM,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.monitor_recover_period = IWL_MONITORING_PERIOD,
+	.max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_2bgn_cfg = {
+	.name = "6000 Series 2x2 BGN Gen2b",
+	.fw_name_pre = IWL6000G2B_FW_PRE,
+	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
+	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
+	.sku = IWL_SKU_G|IWL_SKU_N,
+	.ops = &iwl6000g2b_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.mod_params = &iwlagn_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.pa_type = IWL_PA_SYSTEM,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.ht_greenfield_support = true,
+	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.monitor_recover_period = IWL_MONITORING_PERIOD,
+	.max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_2bg_cfg = {
+	.name = "6000 Series 2x2 BG Gen2b",
+	.fw_name_pre = IWL6000G2B_FW_PRE,
+	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
+	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
+	.sku = IWL_SKU_G,
+	.ops = &iwl6000g2b_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.mod_params = &iwlagn_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.pa_type = IWL_PA_SYSTEM,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.monitor_recover_period = IWL_MONITORING_PERIOD,
+	.max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_bgn_cfg = {
+	.name = "6000 Series 1x2 BGN Gen2b",
+	.fw_name_pre = IWL6000G2B_FW_PRE,
+	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
+	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
+	.sku = IWL_SKU_G|IWL_SKU_N,
+	.ops = &iwl6000g2b_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.mod_params = &iwlagn_mod_params,
+	.valid_tx_ant = ANT_A,
+	.valid_rx_ant = ANT_AB,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.pa_type = IWL_PA_SYSTEM,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.ht_greenfield_support = true,
+	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.monitor_recover_period = IWL_MONITORING_PERIOD,
+	.max_event_log_size = 512,
+};
+
+struct iwl_cfg iwl6000g2b_bg_cfg = {
+	.name = "6000 Series 1x2 BG Gen2b",
+	.fw_name_pre = IWL6000G2B_FW_PRE,
+	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
+	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
+	.sku = IWL_SKU_G,
+	.ops = &iwl6000g2b_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.mod_params = &iwlagn_mod_params,
+	.valid_tx_ant = ANT_A,
+	.valid_rx_ant = ANT_AB,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.pa_type = IWL_PA_SYSTEM,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.monitor_recover_period = IWL_MONITORING_PERIOD,
+	.max_event_log_size = 512,
+};
+
 /*
  * "i": Internal configuration, use internal Power Amplifier
  */
@@ -667,3 +952,4 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL6000G2A_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL6000G2B_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
index 48c023b4ca3..75d6bfcbc60 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
@@ -28,6 +28,27 @@
 
 #include "iwl-agn-debugfs.h"
 
+static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
+{
+	int p = 0;
+
+	p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
+		       le32_to_cpu(priv->_agn.statistics.flag));
+	if (le32_to_cpu(priv->_agn.statistics.flag) &
+			UCODE_STATISTICS_CLEAR_MSK)
+		p += scnprintf(buf + p, bufsz - p,
+			       "\tStatistics have been cleared\n");
+	p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
+		       (le32_to_cpu(priv->_agn.statistics.flag) &
+			UCODE_STATISTICS_FREQUENCY_MSK)
+			? "2.4 GHz" : "5.2 GHz");
+	p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
+		       (le32_to_cpu(priv->_agn.statistics.flag) &
+			UCODE_STATISTICS_NARROW_BAND_MSK)
+			? "enabled" : "disabled");
+	return p;
+}
+
 ssize_t iwl_ucode_rx_stats_read(struct file *file, char __user *user_buf,
 				size_t count, loff_t *ppos)
   {
@@ -58,24 +79,24 @@ ssize_t iwl_ucode_rx_stats_read(struct file *file, char __user *user_buf,
 	 * the last statistics notification from uCode
 	 * might not reflect the current uCode activity
 	 */
-	ofdm = &priv->statistics.rx.ofdm;
-	cck = &priv->statistics.rx.cck;
-	general = &priv->statistics.rx.general;
-	ht = &priv->statistics.rx.ofdm_ht;
-	accum_ofdm = &priv->accum_statistics.rx.ofdm;
-	accum_cck = &priv->accum_statistics.rx.cck;
-	accum_general = &priv->accum_statistics.rx.general;
-	accum_ht = &priv->accum_statistics.rx.ofdm_ht;
-	delta_ofdm = &priv->delta_statistics.rx.ofdm;
-	delta_cck = &priv->delta_statistics.rx.cck;
-	delta_general = &priv->delta_statistics.rx.general;
-	delta_ht = &priv->delta_statistics.rx.ofdm_ht;
-	max_ofdm = &priv->max_delta.rx.ofdm;
-	max_cck = &priv->max_delta.rx.cck;
-	max_general = &priv->max_delta.rx.general;
-	max_ht = &priv->max_delta.rx.ofdm_ht;
+	ofdm = &priv->_agn.statistics.rx.ofdm;
+	cck = &priv->_agn.statistics.rx.cck;
+	general = &priv->_agn.statistics.rx.general;
+	ht = &priv->_agn.statistics.rx.ofdm_ht;
+	accum_ofdm = &priv->_agn.accum_statistics.rx.ofdm;
+	accum_cck = &priv->_agn.accum_statistics.rx.cck;
+	accum_general = &priv->_agn.accum_statistics.rx.general;
+	accum_ht = &priv->_agn.accum_statistics.rx.ofdm_ht;
+	delta_ofdm = &priv->_agn.delta_statistics.rx.ofdm;
+	delta_cck = &priv->_agn.delta_statistics.rx.cck;
+	delta_general = &priv->_agn.delta_statistics.rx.general;
+	delta_ht = &priv->_agn.delta_statistics.rx.ofdm_ht;
+	max_ofdm = &priv->_agn.max_delta.rx.ofdm;
+	max_cck = &priv->_agn.max_delta.rx.cck;
+	max_general = &priv->_agn.max_delta.rx.general;
+	max_ht = &priv->_agn.max_delta.rx.ofdm_ht;
 
-	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+	pos += iwl_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 			 "acumulative       delta         max\n",
 			 "Statistics_Rx - OFDM:");
@@ -539,11 +560,11 @@ ssize_t iwl_ucode_tx_stats_read(struct file *file,
 	  * the last statistics notification from uCode
 	  * might not reflect the current uCode activity
 	  */
-	tx = &priv->statistics.tx;
-	accum_tx = &priv->accum_statistics.tx;
-	delta_tx = &priv->delta_statistics.tx;
-	max_tx = &priv->max_delta.tx;
-	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+	tx = &priv->_agn.statistics.tx;
+	accum_tx = &priv->_agn.accum_statistics.tx;
+	delta_tx = &priv->_agn.delta_statistics.tx;
+	max_tx = &priv->_agn.max_delta.tx;
+	pos += iwl_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos,  "%-32s     current"
 			 "acumulative       delta         max\n",
 			 "Statistics_Tx:");
@@ -756,19 +777,19 @@ ssize_t iwl_ucode_general_stats_read(struct file *file, char __user *user_buf,
 	  * the last statistics notification from uCode
 	  * might not reflect the current uCode activity
 	  */
-	general = &priv->statistics.general;
-	dbg = &priv->statistics.general.dbg;
-	div = &priv->statistics.general.div;
-	accum_general = &priv->accum_statistics.general;
-	delta_general = &priv->delta_statistics.general;
-	max_general = &priv->max_delta.general;
-	accum_dbg = &priv->accum_statistics.general.dbg;
-	delta_dbg = &priv->delta_statistics.general.dbg;
-	max_dbg = &priv->max_delta.general.dbg;
-	accum_div = &priv->accum_statistics.general.div;
-	delta_div = &priv->delta_statistics.general.div;
-	max_div = &priv->max_delta.general.div;
-	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+	general = &priv->_agn.statistics.general;
+	dbg = &priv->_agn.statistics.general.dbg;
+	div = &priv->_agn.statistics.general.div;
+	accum_general = &priv->_agn.accum_statistics.general;
+	delta_general = &priv->_agn.delta_statistics.general;
+	max_general = &priv->_agn.max_delta.general;
+	accum_dbg = &priv->_agn.accum_statistics.general.dbg;
+	delta_dbg = &priv->_agn.delta_statistics.general.dbg;
+	max_dbg = &priv->_agn.max_delta.general.dbg;
+	accum_div = &priv->_agn.accum_statistics.general.div;
+	delta_div = &priv->_agn.delta_statistics.general.div;
+	max_div = &priv->_agn.max_delta.general.div;
+	pos += iwl_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 			 "acumulative       delta         max\n",
 			 "Statistics_General:");
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
index 44ef5d93bef..25851ec2ab1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
@@ -37,7 +37,7 @@
 #include "iwl-io.h"
 #include "iwl-agn.h"
 
-static int iwlagn_send_rxon_assoc(struct iwl_priv *priv)
+int iwlagn_send_rxon_assoc(struct iwl_priv *priv)
 {
 	int ret = 0;
 	struct iwl5000_rxon_assoc_cmd rxon_assoc;
@@ -84,7 +84,7 @@ static int iwlagn_send_rxon_assoc(struct iwl_priv *priv)
 	return ret;
 }
 
-static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
+int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
 {
 	struct iwl_tx_ant_config_cmd tx_ant_cmd = {
 	  .valid = cpu_to_le32(valid_tx_ant),
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 1004cfc403b..501d97f1917 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -184,6 +184,7 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
 	int tid;
 	int sta_id;
 	int freed;
+	unsigned long flags;
 
 	if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) {
 		IWL_ERR(priv, "Read index for DMA queue txq_id (%d) index %d "
@@ -199,9 +200,10 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
 	tid = (tx_resp->ra_tid & IWL50_TX_RES_TID_MSK) >> IWL50_TX_RES_TID_POS;
 	sta_id = (tx_resp->ra_tid & IWL50_TX_RES_RA_MSK) >> IWL50_TX_RES_RA_POS;
 
+	spin_lock_irqsave(&priv->sta_lock, flags);
 	if (txq->sched_retry) {
 		const u32 scd_ssn = iwlagn_get_scd_ssn(tx_resp);
-		struct iwl_ht_agg *agg = NULL;
+		struct iwl_ht_agg *agg;
 
 		agg = &priv->stations[sta_id].tid[tid].agg;
 
@@ -256,6 +258,7 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
 	iwlagn_txq_check_empty(priv, sta_id, tid, txq_id);
 
 	iwl_check_abort_status(priv, tx_resp->frame_count, status);
+	spin_unlock_irqrestore(&priv->sta_lock, flags);
 }
 
 void iwlagn_rx_handler_setup(struct iwl_priv *priv)
@@ -319,7 +322,8 @@ int iwlagn_send_tx_power(struct iwl_priv *priv)
 void iwlagn_temperature(struct iwl_priv *priv)
 {
 	/* store temperature from statistics (in Celsius) */
-	priv->temperature = le32_to_cpu(priv->statistics.general.temperature);
+	priv->temperature =
+		le32_to_cpu(priv->_agn.statistics.general.temperature);
 	iwl_tt_handler(priv);
 }
 
@@ -1528,3 +1532,18 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 	return iwl_remove_station(priv, vif_priv->ibss_bssid_sta_id,
 				  vif->bss_conf.bssid);
 }
+
+void iwl_free_tfds_in_queue(struct iwl_priv *priv,
+			    int sta_id, int tid, int freed)
+{
+	WARN_ON(!spin_is_locked(&priv->sta_lock));
+
+	if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
+		priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
+	else {
+		IWL_DEBUG_TX(priv, "free more than tfds_in_queue (%u:%d)\n",
+			priv->stations[sta_id].tid[tid].tfds_in_queue,
+			freed);
+		priv->stations[sta_id].tid[tid].tfds_in_queue = 0;
+	}
+}
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index c402bfc83f3..52bec104046 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -567,10 +567,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	hdr_len = ieee80211_hdrlen(fc);
 
 	/* Find index into station table for destination station */
-	if (!info->control.sta)
-		sta_id = priv->hw_params.bcast_sta_id;
-	else
-		sta_id = iwl_sta_id(info->control.sta);
+	sta_id = iwl_sta_id_or_broadcast(priv, info->control.sta);
 	if (sta_id == IWL_INVALID_STATION) {
 		IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
 			       hdr->addr1);
@@ -598,11 +595,17 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	}
 
 	txq_id = get_queue_from_ac(skb_get_queue_mapping(skb));
+
+	/* irqs already disabled/saved above when locking priv->lock */
+	spin_lock(&priv->sta_lock);
+
 	if (ieee80211_is_data_qos(fc)) {
 		qc = ieee80211_get_qos_ctl(hdr);
 		tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
-		if (unlikely(tid >= MAX_TID_COUNT))
+		if (WARN_ON_ONCE(tid >= MAX_TID_COUNT)) {
+			spin_unlock(&priv->sta_lock);
 			goto drop_unlock;
+		}
 		seq_number = priv->stations[sta_id].tid[tid].seq_number;
 		seq_number &= IEEE80211_SCTL_SEQ;
 		hdr->seq_ctrl = hdr->seq_ctrl &
@@ -620,11 +623,18 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	swq_id = txq->swq_id;
 	q = &txq->q;
 
-	if (unlikely(iwl_queue_space(q) < q->high_mark))
+	if (unlikely(iwl_queue_space(q) < q->high_mark)) {
+		spin_unlock(&priv->sta_lock);
 		goto drop_unlock;
+	}
 
-	if (ieee80211_is_data_qos(fc))
+	if (ieee80211_is_data_qos(fc)) {
 		priv->stations[sta_id].tid[tid].tfds_in_queue++;
+		if (!ieee80211_has_morefrags(fc))
+			priv->stations[sta_id].tid[tid].seq_number = seq_number;
+	}
+
+	spin_unlock(&priv->sta_lock);
 
 	/* Set up driver data for this TFD */
 	memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
@@ -703,8 +713,6 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
 	if (!ieee80211_has_morefrags(hdr->frame_control)) {
 		txq->need_update = 1;
-		if (qc)
-			priv->stations[sta_id].tid[tid].seq_number = seq_number;
 	} else {
 		wait_write_ptr = 1;
 		txq->need_update = 0;
@@ -1009,6 +1017,8 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 	if (ret)
 		return ret;
 
+	spin_lock_irqsave(&priv->sta_lock, flags);
+	tid_data = &priv->stations[sta_id].tid[tid];
 	if (tid_data->tfds_in_queue == 0) {
 		IWL_DEBUG_HT(priv, "HW queue is empty\n");
 		tid_data->agg.state = IWL_AGG_ON;
@@ -1018,6 +1028,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 			     tid_data->tfds_in_queue);
 		tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA;
 	}
+	spin_unlock_irqrestore(&priv->sta_lock, flags);
 	return ret;
 }
 
@@ -1040,11 +1051,14 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 		return -ENXIO;
 	}
 
+	spin_lock_irqsave(&priv->sta_lock, flags);
+
 	if (priv->stations[sta_id].tid[tid].agg.state ==
 				IWL_EMPTYING_HW_QUEUE_ADDBA) {
 		IWL_DEBUG_HT(priv, "AGG stop before setup done\n");
 		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
+		spin_unlock_irqrestore(&priv->sta_lock, flags);
 		return 0;
 	}
 
@@ -1062,13 +1076,17 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 		IWL_DEBUG_HT(priv, "Stopping a non empty AGG HW QUEUE\n");
 		priv->stations[sta_id].tid[tid].agg.state =
 				IWL_EMPTYING_HW_QUEUE_DELBA;
+		spin_unlock_irqrestore(&priv->sta_lock, flags);
 		return 0;
 	}
 
 	IWL_DEBUG_HT(priv, "HW queue is empty\n");
 	priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
 
-	spin_lock_irqsave(&priv->lock, flags);
+	/* do not restore/save irqs */
+	spin_unlock(&priv->sta_lock);
+	spin_lock(&priv->lock);
+
 	/*
 	 * the only reason this call can fail is queue number out of range,
 	 * which can happen if uCode is reloaded and all the station
@@ -1092,6 +1110,8 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
 	u8 *addr = priv->stations[sta_id].sta.sta.addr;
 	struct iwl_tid_data *tid_data = &priv->stations[sta_id].tid[tid];
 
+	WARN_ON(!spin_is_locked(&priv->sta_lock));
+
 	switch (priv->stations[sta_id].tid[tid].agg.state) {
 	case IWL_EMPTYING_HW_QUEUE_DELBA:
 		/* We are reclaiming the last packet of the */
@@ -1116,6 +1136,7 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
 		}
 		break;
 	}
+
 	return 0;
 }
 
@@ -1279,6 +1300,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 	int index;
 	int sta_id;
 	int tid;
+	unsigned long flags;
 
 	/* "flow" corresponds to Tx queue */
 	u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
@@ -1301,7 +1323,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 	/* Find index just before block-ack window */
 	index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd);
 
-	/* TODO: Need to get this copy more safely - now good for debug */
+	spin_lock_irqsave(&priv->sta_lock, flags);
 
 	IWL_DEBUG_TX_REPLY(priv, "REPLY_COMPRESSED_BA [%d] Received from %pM, "
 			   "sta_id = %d\n",
@@ -1337,4 +1359,6 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 
 		iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow);
 	}
+
+	spin_unlock_irqrestore(&priv->sta_lock, flags);
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index 637286c396f..6f77441cb65 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -423,3 +423,126 @@ int iwlagn_alive_notify(struct iwl_priv *priv)
 
 	return 0;
 }
+
+
+/**
+ * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
+ *   using sample data 100 bytes apart.  If these sample points are good,
+ *   it's a pretty good bet that everything between them is good, too.
+ */
+static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len)
+{
+	u32 val;
+	int ret = 0;
+	u32 errcnt = 0;
+	u32 i;
+
+	IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
+
+	for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
+		/* read data comes through single port, auto-incr addr */
+		/* NOTE: Use the debugless read so we don't flood kernel log
+		 * if IWL_DL_IO is set */
+		iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
+			i + IWLAGN_RTC_INST_LOWER_BOUND);
+		val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+		if (val != le32_to_cpu(*image)) {
+			ret = -EIO;
+			errcnt++;
+			if (errcnt >= 3)
+				break;
+		}
+	}
+
+	return ret;
+}
+
+/**
+ * iwlcore_verify_inst_full - verify runtime uCode image in card vs. host,
+ *     looking at all data.
+ */
+static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image,
+				 u32 len)
+{
+	u32 val;
+	u32 save_len = len;
+	int ret = 0;
+	u32 errcnt;
+
+	IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
+
+	iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
+			   IWLAGN_RTC_INST_LOWER_BOUND);
+
+	errcnt = 0;
+	for (; len > 0; len -= sizeof(u32), image++) {
+		/* read data comes through single port, auto-incr addr */
+		/* NOTE: Use the debugless read so we don't flood kernel log
+		 * if IWL_DL_IO is set */
+		val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+		if (val != le32_to_cpu(*image)) {
+			IWL_ERR(priv, "uCode INST section is invalid at "
+				  "offset 0x%x, is 0x%x, s/b 0x%x\n",
+				  save_len - len, val, le32_to_cpu(*image));
+			ret = -EIO;
+			errcnt++;
+			if (errcnt >= 20)
+				break;
+		}
+	}
+
+	if (!errcnt)
+		IWL_DEBUG_INFO(priv,
+		    "ucode image in INSTRUCTION memory is good\n");
+
+	return ret;
+}
+
+/**
+ * iwl_verify_ucode - determine which instruction image is in SRAM,
+ *    and verify its contents
+ */
+int iwl_verify_ucode(struct iwl_priv *priv)
+{
+	__le32 *image;
+	u32 len;
+	int ret;
+
+	/* Try bootstrap */
+	image = (__le32 *)priv->ucode_boot.v_addr;
+	len = priv->ucode_boot.len;
+	ret = iwlcore_verify_inst_sparse(priv, image, len);
+	if (!ret) {
+		IWL_DEBUG_INFO(priv, "Bootstrap uCode is good in inst SRAM\n");
+		return 0;
+	}
+
+	/* Try initialize */
+	image = (__le32 *)priv->ucode_init.v_addr;
+	len = priv->ucode_init.len;
+	ret = iwlcore_verify_inst_sparse(priv, image, len);
+	if (!ret) {
+		IWL_DEBUG_INFO(priv, "Initialize uCode is good in inst SRAM\n");
+		return 0;
+	}
+
+	/* Try runtime/protocol */
+	image = (__le32 *)priv->ucode_code.v_addr;
+	len = priv->ucode_code.len;
+	ret = iwlcore_verify_inst_sparse(priv, image, len);
+	if (!ret) {
+		IWL_DEBUG_INFO(priv, "Runtime uCode is good in inst SRAM\n");
+		return 0;
+	}
+
+	IWL_ERR(priv, "NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n");
+
+	/* Since nothing seems to match, show first several data entries in
+	 * instruction SRAM, so maybe visual inspection will give a clue.
+	 * Selection of bootstrap image (vs. other images) is arbitrary. */
+	image = (__le32 *)priv->ucode_boot.v_addr;
+	len = priv->ucode_boot.len;
+	ret = iwl_verify_inst_full(priv, image, len);
+
+	return ret;
+}
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index aef4f71f198..a5db952d953 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1450,13 +1450,13 @@ bool iwl_good_ack_health(struct iwl_priv *priv,
 
 	actual_ack_cnt_delta =
 		le32_to_cpu(pkt->u.stats.tx.actual_ack_cnt) -
-		le32_to_cpu(priv->statistics.tx.actual_ack_cnt);
+		le32_to_cpu(priv->_agn.statistics.tx.actual_ack_cnt);
 	expected_ack_cnt_delta =
 		le32_to_cpu(pkt->u.stats.tx.expected_ack_cnt) -
-		le32_to_cpu(priv->statistics.tx.expected_ack_cnt);
+		le32_to_cpu(priv->_agn.statistics.tx.expected_ack_cnt);
 	ba_timeout_delta =
 		le32_to_cpu(pkt->u.stats.tx.agg.ba_timeout) -
-		le32_to_cpu(priv->statistics.tx.agg.ba_timeout);
+		le32_to_cpu(priv->_agn.statistics.tx.agg.ba_timeout);
 	if ((priv->_agn.agg_tids_count > 0) &&
 	    (expected_ack_cnt_delta > 0) &&
 	    (((actual_ack_cnt_delta * 100) / expected_ack_cnt_delta)
@@ -1466,12 +1466,17 @@ bool iwl_good_ack_health(struct iwl_priv *priv,
 				" expected_ack_cnt = %d\n",
 				actual_ack_cnt_delta, expected_ack_cnt_delta);
 
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+		/*
+		 * This is ifdef'ed on DEBUGFS because otherwise the
+		 * statistics aren't available. If DEBUGFS is set but
+		 * DEBUG is not, these will just compile out.
+		 */
 		IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta = %d\n",
-				priv->delta_statistics.tx.rx_detected_cnt);
+				priv->_agn.delta_statistics.tx.rx_detected_cnt);
 		IWL_DEBUG_RADIO(priv,
 				"ack_or_ba_timeout_collision delta = %d\n",
-				priv->delta_statistics.tx.
+				priv->_agn.delta_statistics.tx.
 				ack_or_ba_timeout_collision);
 #endif
 		IWL_DEBUG_RADIO(priv, "agg ba_timeout delta = %d\n",
@@ -1544,6 +1549,9 @@ struct iwlagn_firmware_pieces {
 	size_t inst_size, data_size, init_size, init_data_size, boot_size;
 
 	u32 build;
+
+	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
+	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 };
 
 static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
@@ -1721,6 +1729,42 @@ static int iwlagn_load_firmware(struct iwl_priv *priv,
 			capa->max_probe_length =
 				le32_to_cpup((__le32 *)tlv_data);
 			break;
+		case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
+			if (tlv_len != 4)
+				return -EINVAL;
+			pieces->init_evtlog_ptr =
+				le32_to_cpup((__le32 *)tlv_data);
+			break;
+		case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
+			if (tlv_len != 4)
+				return -EINVAL;
+			pieces->init_evtlog_size =
+				le32_to_cpup((__le32 *)tlv_data);
+			break;
+		case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
+			if (tlv_len != 4)
+				return -EINVAL;
+			pieces->init_errlog_ptr =
+				le32_to_cpup((__le32 *)tlv_data);
+			break;
+		case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
+			if (tlv_len != 4)
+				return -EINVAL;
+			pieces->inst_evtlog_ptr =
+				le32_to_cpup((__le32 *)tlv_data);
+			break;
+		case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
+			if (tlv_len != 4)
+				return -EINVAL;
+			pieces->inst_evtlog_size =
+				le32_to_cpup((__le32 *)tlv_data);
+			break;
+		case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
+			if (tlv_len != 4)
+				return -EINVAL;
+			pieces->inst_errlog_ptr =
+				le32_to_cpup((__le32 *)tlv_data);
+			break;
 		default:
 			break;
 		}
@@ -1913,6 +1957,26 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
 			goto err_pci_alloc;
 	}
 
+	/* Now that we can no longer fail, copy information */
+
+	/*
+	 * The (size - 16) / 12 formula is based on the information recorded
+	 * for each event, which is of mode 1 (including timestamp) for all
+	 * new microcodes that include this information.
+	 */
+	priv->_agn.init_evtlog_ptr = pieces.init_evtlog_ptr;
+	if (pieces.init_evtlog_size)
+		priv->_agn.init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
+	else
+		priv->_agn.init_evtlog_size = priv->cfg->max_event_log_size;
+	priv->_agn.init_errlog_ptr = pieces.init_errlog_ptr;
+	priv->_agn.inst_evtlog_ptr = pieces.inst_evtlog_ptr;
+	if (pieces.inst_evtlog_size)
+		priv->_agn.inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
+	else
+		priv->_agn.inst_evtlog_size = priv->cfg->max_event_log_size;
+	priv->_agn.inst_errlog_ptr = pieces.inst_errlog_ptr;
+
 	/* Copy images into buffers for card's bus-master reads ... */
 
 	/* Runtime instructions (first block of data in file) */
@@ -2038,10 +2102,15 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv)
 	u32 blink1, blink2, ilink1, ilink2;
 	u32 pc, hcmd;
 
-	if (priv->ucode_type == UCODE_INIT)
+	if (priv->ucode_type == UCODE_INIT) {
 		base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
-	else
+		if (!base)
+			base = priv->_agn.init_errlog_ptr;
+	} else {
 		base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
+		if (!base)
+			base = priv->_agn.inst_errlog_ptr;
+	}
 
 	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
 		IWL_ERR(priv,
@@ -2101,10 +2170,16 @@ static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
 
 	if (num_events == 0)
 		return pos;
-	if (priv->ucode_type == UCODE_INIT)
+
+	if (priv->ucode_type == UCODE_INIT) {
 		base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
-	else
+		if (!base)
+			base = priv->_agn.init_evtlog_ptr;
+	} else {
 		base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+		if (!base)
+			base = priv->_agn.inst_evtlog_ptr;
+	}
 
 	if (mode == 0)
 		event_size = 2 * sizeof(u32);
@@ -2206,13 +2281,21 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 	u32 num_wraps;  /* # times uCode wrapped to top of log */
 	u32 next_entry; /* index of next entry to be written by uCode */
 	u32 size;       /* # entries that we'll print */
+	u32 logsize;
 	int pos = 0;
 	size_t bufsz = 0;
 
-	if (priv->ucode_type == UCODE_INIT)
+	if (priv->ucode_type == UCODE_INIT) {
 		base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
-	else
+		logsize = priv->_agn.init_evtlog_size;
+		if (!base)
+			base = priv->_agn.init_evtlog_ptr;
+	} else {
 		base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+		logsize = priv->_agn.inst_evtlog_size;
+		if (!base)
+			base = priv->_agn.inst_evtlog_ptr;
+	}
 
 	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
 		IWL_ERR(priv,
@@ -2227,16 +2310,16 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 	num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
 	next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
 
-	if (capacity > priv->cfg->max_event_log_size) {
+	if (capacity > logsize) {
 		IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n",
-			capacity, priv->cfg->max_event_log_size);
-		capacity = priv->cfg->max_event_log_size;
+			capacity, logsize);
+		capacity = logsize;
 	}
 
-	if (next_entry > priv->cfg->max_event_log_size) {
+	if (next_entry > logsize) {
 		IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
-			next_entry, priv->cfg->max_event_log_size);
-		next_entry = priv->cfg->max_event_log_size;
+			next_entry, logsize);
+		next_entry = logsize;
 	}
 
 	size = num_wraps ? capacity : next_entry;
@@ -2686,9 +2769,9 @@ static void iwl_bg_run_time_calib_work(struct work_struct *work)
 	}
 
 	if (priv->start_calib) {
-		iwl_chain_noise_calibration(priv, &priv->statistics);
+		iwl_chain_noise_calibration(priv, &priv->_agn.statistics);
 
-		iwl_sensitivity_calibration(priv, &priv->statistics);
+		iwl_sensitivity_calibration(priv, &priv->_agn.statistics);
 	}
 
 	mutex_unlock(&priv->mutex);
@@ -2777,20 +2860,16 @@ void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n",
 			vif->bss_conf.aid, vif->bss_conf.beacon_int);
 
-	if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
+	if (vif->bss_conf.use_short_preamble)
 		priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
 	else
 		priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
 
 	if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-		if (vif->bss_conf.assoc_capability &
-					WLAN_CAPABILITY_SHORT_SLOT_TIME)
+		if (vif->bss_conf.use_short_slot)
 			priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
 		else
 			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
-		if (vif->type == NL80211_IFTYPE_ADHOC)
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
 	}
 
 	iwlcore_commit_rxon(priv);
@@ -3016,8 +3095,7 @@ void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
 		priv->staging_rxon.assoc_id = 0;
 
-		if (vif->bss_conf.assoc_capability &
-						WLAN_CAPABILITY_SHORT_PREAMBLE)
+		if (vif->bss_conf.use_short_preamble)
 			priv->staging_rxon.flags |=
 				RXON_FLG_SHORT_PREAMBLE_MSK;
 		else
@@ -3025,17 +3103,12 @@ void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
 				~RXON_FLG_SHORT_PREAMBLE_MSK;
 
 		if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-			if (vif->bss_conf.assoc_capability &
-						WLAN_CAPABILITY_SHORT_SLOT_TIME)
+			if (vif->bss_conf.use_short_slot)
 				priv->staging_rxon.flags |=
 					RXON_FLG_SHORT_SLOT_MSK;
 			else
 				priv->staging_rxon.flags &=
 					~RXON_FLG_SHORT_SLOT_MSK;
-
-			if (vif->type == NL80211_IFTYPE_ADHOC)
-				priv->staging_rxon.flags &=
-					~RXON_FLG_SHORT_SLOT_MSK;
 		}
 		/* restore RXON assoc */
 		priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
@@ -3081,17 +3154,9 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		return -EOPNOTSUPP;
 	}
 
-	if (sta) {
-		sta_id = iwl_sta_id(sta);
-
-		if (sta_id == IWL_INVALID_STATION) {
-			IWL_DEBUG_MAC80211(priv, "leave - %pM not in station map.\n",
-					   sta->addr);
-			return -EINVAL;
-		}
-	} else {
-		sta_id = priv->hw_params.bcast_sta_id;
-	}
+	sta_id = iwl_sta_id_or_broadcast(priv, sta);
+	if (sta_id == IWL_INVALID_STATION)
+		return -EINVAL;
 
 	mutex_lock(&priv->mutex);
 	iwl_scan_cancel_timeout(priv, 100);
@@ -3989,6 +4054,47 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
 	{IWL_PCI_DEVICE(0x0082, 0x1201, iwl6000g2a_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0085, 0x1211, iwl6000g2a_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0082, 0x1221, iwl6000g2a_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1206, iwl6000g2a_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0085, 0x1216, iwl6000g2a_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1226, iwl6000g2a_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1207, iwl6000g2a_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1301, iwl6000g2a_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1306, iwl6000g2a_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1307, iwl6000g2a_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1321, iwl6000g2a_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1326, iwl6000g2a_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0085, 0x1311, iwl6000g2a_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0085, 0x1316, iwl6000g2a_2abg_cfg)},
+
+/* 6x00 Series Gen2b */
+	{IWL_PCI_DEVICE(0x008F, 0x5105, iwl6000g2b_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0090, 0x5115, iwl6000g2b_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x008F, 0x5125, iwl6000g2b_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x008F, 0x5107, iwl6000g2b_bg_cfg)},
+	{IWL_PCI_DEVICE(0x008F, 0x5201, iwl6000g2b_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0090, 0x5211, iwl6000g2b_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x008F, 0x5221, iwl6000g2b_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x008F, 0x5206, iwl6000g2b_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0090, 0x5216, iwl6000g2b_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x008F, 0x5226, iwl6000g2b_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x008F, 0x5207, iwl6000g2b_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x008A, 0x5301, iwl6000g2b_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x008A, 0x5305, iwl6000g2b_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x008A, 0x5307, iwl6000g2b_bg_cfg)},
+	{IWL_PCI_DEVICE(0x008A, 0x5321, iwl6000g2b_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x008A, 0x5325, iwl6000g2b_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x008B, 0x5311, iwl6000g2b_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x008B, 0x5315, iwl6000g2b_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0090, 0x5211, iwl6000g2b_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0090, 0x5215, iwl6000g2b_2bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0090, 0x5216, iwl6000g2b_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0091, 0x5201, iwl6000g2b_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0091, 0x5205, iwl6000g2b_2bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0091, 0x5206, iwl6000g2b_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0091, 0x5207, iwl6000g2b_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x0091, 0x5221, iwl6000g2b_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0091, 0x5225, iwl6000g2b_2bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0091, 0x5226, iwl6000g2b_2abg_cfg)},
 
 /* 6x50 WiFi/WiMax Series */
 	{IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 2d748053358..5c32777b0a4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -65,6 +65,33 @@
 
 #include "iwl-dev.h"
 
+/* configuration for the _agn devices */
+extern struct iwl_cfg iwl4965_agn_cfg;
+extern struct iwl_cfg iwl5300_agn_cfg;
+extern struct iwl_cfg iwl5100_agn_cfg;
+extern struct iwl_cfg iwl5350_agn_cfg;
+extern struct iwl_cfg iwl5100_bgn_cfg;
+extern struct iwl_cfg iwl5100_abg_cfg;
+extern struct iwl_cfg iwl5150_agn_cfg;
+extern struct iwl_cfg iwl5150_abg_cfg;
+extern struct iwl_cfg iwl6000g2a_2agn_cfg;
+extern struct iwl_cfg iwl6000g2a_2abg_cfg;
+extern struct iwl_cfg iwl6000g2a_2bg_cfg;
+extern struct iwl_cfg iwl6000g2b_bgn_cfg;
+extern struct iwl_cfg iwl6000g2b_bg_cfg;
+extern struct iwl_cfg iwl6000g2b_2agn_cfg;
+extern struct iwl_cfg iwl6000g2b_2abg_cfg;
+extern struct iwl_cfg iwl6000g2b_2bgn_cfg;
+extern struct iwl_cfg iwl6000g2b_2bg_cfg;
+extern struct iwl_cfg iwl6000i_2agn_cfg;
+extern struct iwl_cfg iwl6000i_2abg_cfg;
+extern struct iwl_cfg iwl6000i_2bg_cfg;
+extern struct iwl_cfg iwl6000_3agn_cfg;
+extern struct iwl_cfg iwl6050_2agn_cfg;
+extern struct iwl_cfg iwl6050_2abg_cfg;
+extern struct iwl_cfg iwl1000_bgn_cfg;
+extern struct iwl_cfg iwl1000_bg_cfg;
+
 extern struct iwl_mod_params iwlagn_mod_params;
 extern struct iwl_hcmd_ops iwlagn_hcmd;
 extern struct iwl_hcmd_utils_ops iwlagn_hcmd_utils;
@@ -93,6 +120,8 @@ int iwlagn_txq_agg_enable(struct iwl_priv *priv, int txq_id,
 int iwlagn_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
 			   u16 ssn_idx, u8 tx_fifo);
 void iwlagn_txq_set_sched(struct iwl_priv *priv, u32 mask);
+void iwl_free_tfds_in_queue(struct iwl_priv *priv,
+			    int sta_id, int tid, int freed);
 
 /* uCode */
 int iwlagn_load_ucode(struct iwl_priv *priv);
@@ -102,6 +131,7 @@ void iwlagn_rx_calib_complete(struct iwl_priv *priv,
 			   struct iwl_rx_mem_buffer *rxb);
 void iwlagn_init_alive_start(struct iwl_priv *priv);
 int iwlagn_alive_notify(struct iwl_priv *priv);
+int iwl_verify_ucode(struct iwl_priv *priv);
 
 /* lib */
 void iwl_check_abort_status(struct iwl_priv *priv,
@@ -178,4 +208,8 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif);
 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 			       struct ieee80211_vif *vif, bool add);
 
+/* hcmd */
+int iwlagn_send_rxon_assoc(struct iwl_priv *priv);
+int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant);
+
 #endif /* __iwl_agn_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 9aab020c474..4790571207b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -952,7 +952,6 @@ struct iwl_qosparam_cmd {
 
 /* Special, dedicated locations within device's station table */
 #define	IWL_AP_ID		0
-#define IWL_MULTICAST_ID	1
 #define	IWL_STA_ID		2
 #define	IWL3945_BROADCAST_ID	24
 #define IWL3945_STATION_COUNT	25
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 5a7eca8fb78..2d538f4436a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -457,7 +457,7 @@ u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 		if (!sta_ht_inf->ht_supported)
 			return 0;
 	}
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 	if (priv->disable_ht40)
 		return 0;
 #endif
@@ -904,14 +904,11 @@ static void iwl_set_flags_for_band(struct iwl_priv *priv,
 		priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
 	} else {
 		/* Copied from iwl_post_associate() */
-		if (vif && vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
+		if (vif && vif->bss_conf.use_short_slot)
 			priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
 		else
 			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
 
-		if (vif && vif->type == NL80211_IFTYPE_ADHOC)
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
 		priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK;
 		priv->staging_rxon.flags |= RXON_FLG_AUTO_DETECT_MSK;
 		priv->staging_rxon.flags &= ~RXON_FLG_CCK_MSK;
@@ -1463,130 +1460,6 @@ int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear)
 }
 EXPORT_SYMBOL(iwl_send_statistics_request);
 
-/**
- * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
- *   using sample data 100 bytes apart.  If these sample points are good,
- *   it's a pretty good bet that everything between them is good, too.
- */
-static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len)
-{
-	u32 val;
-	int ret = 0;
-	u32 errcnt = 0;
-	u32 i;
-
-	IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
-
-	for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
-		/* read data comes through single port, auto-incr addr */
-		/* NOTE: Use the debugless read so we don't flood kernel log
-		 * if IWL_DL_IO is set */
-		iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
-			i + IWL49_RTC_INST_LOWER_BOUND);
-		val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
-		if (val != le32_to_cpu(*image)) {
-			ret = -EIO;
-			errcnt++;
-			if (errcnt >= 3)
-				break;
-		}
-	}
-
-	return ret;
-}
-
-/**
- * iwlcore_verify_inst_full - verify runtime uCode image in card vs. host,
- *     looking at all data.
- */
-static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image,
-				 u32 len)
-{
-	u32 val;
-	u32 save_len = len;
-	int ret = 0;
-	u32 errcnt;
-
-	IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
-
-	iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
-			   IWL49_RTC_INST_LOWER_BOUND);
-
-	errcnt = 0;
-	for (; len > 0; len -= sizeof(u32), image++) {
-		/* read data comes through single port, auto-incr addr */
-		/* NOTE: Use the debugless read so we don't flood kernel log
-		 * if IWL_DL_IO is set */
-		val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
-		if (val != le32_to_cpu(*image)) {
-			IWL_ERR(priv, "uCode INST section is invalid at "
-				  "offset 0x%x, is 0x%x, s/b 0x%x\n",
-				  save_len - len, val, le32_to_cpu(*image));
-			ret = -EIO;
-			errcnt++;
-			if (errcnt >= 20)
-				break;
-		}
-	}
-
-	if (!errcnt)
-		IWL_DEBUG_INFO(priv,
-		    "ucode image in INSTRUCTION memory is good\n");
-
-	return ret;
-}
-
-/**
- * iwl_verify_ucode - determine which instruction image is in SRAM,
- *    and verify its contents
- */
-int iwl_verify_ucode(struct iwl_priv *priv)
-{
-	__le32 *image;
-	u32 len;
-	int ret;
-
-	/* Try bootstrap */
-	image = (__le32 *)priv->ucode_boot.v_addr;
-	len = priv->ucode_boot.len;
-	ret = iwlcore_verify_inst_sparse(priv, image, len);
-	if (!ret) {
-		IWL_DEBUG_INFO(priv, "Bootstrap uCode is good in inst SRAM\n");
-		return 0;
-	}
-
-	/* Try initialize */
-	image = (__le32 *)priv->ucode_init.v_addr;
-	len = priv->ucode_init.len;
-	ret = iwlcore_verify_inst_sparse(priv, image, len);
-	if (!ret) {
-		IWL_DEBUG_INFO(priv, "Initialize uCode is good in inst SRAM\n");
-		return 0;
-	}
-
-	/* Try runtime/protocol */
-	image = (__le32 *)priv->ucode_code.v_addr;
-	len = priv->ucode_code.len;
-	ret = iwlcore_verify_inst_sparse(priv, image, len);
-	if (!ret) {
-		IWL_DEBUG_INFO(priv, "Runtime uCode is good in inst SRAM\n");
-		return 0;
-	}
-
-	IWL_ERR(priv, "NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n");
-
-	/* Since nothing seems to match, show first several data entries in
-	 * instruction SRAM, so maybe visual inspection will give a clue.
-	 * Selection of bootstrap image (vs. other images) is arbitrary. */
-	image = (__le32 *)priv->ucode_boot.v_addr;
-	len = priv->ucode_boot.len;
-	ret = iwl_verify_inst_full(priv, image, len);
-
-	return ret;
-}
-EXPORT_SYMBOL(iwl_verify_ucode);
-
-
 void iwl_rf_kill_ct_config(struct iwl_priv *priv)
 {
 	struct iwl_ct_kill_config cmd;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 7e5a5ba41fd..d3b61dc2c43 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -472,8 +472,6 @@ int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
 				 dma_addr_t addr, u16 len, u8 reset, u8 pad);
 int iwl_hw_tx_queue_init(struct iwl_priv *priv,
 			 struct iwl_tx_queue *txq);
-void iwl_free_tfds_in_queue(struct iwl_priv *priv,
-			    int sta_id, int tid, int freed);
 void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
 int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
 		      int slots_num, u32 txq_id);
@@ -691,7 +689,6 @@ extern void iwl_rf_kill_ct_config(struct iwl_priv *priv);
 extern void iwl_send_bt_config(struct iwl_priv *priv);
 extern int iwl_send_statistics_request(struct iwl_priv *priv,
 				       u8 flags, bool clear);
-extern int iwl_verify_ucode(struct iwl_priv *priv);
 extern int iwl_send_lq_cmd(struct iwl_priv *priv,
 		struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 void iwl_apm_stop(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 9659c5d01df..d9f21bb9d75 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -106,27 +106,6 @@ static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 	.open = iwl_dbgfs_open_file_generic,                            \
 };
 
-int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
-{
-	int p = 0;
-
-	p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
-		       le32_to_cpu(priv->statistics.flag));
-	if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
-		p += scnprintf(buf + p, bufsz - p,
-			       "\tStatistics have been cleared\n");
-	p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
-		       (le32_to_cpu(priv->statistics.flag) &
-			UCODE_STATISTICS_FREQUENCY_MSK)
-			? "2.4 GHz" : "5.2 GHz");
-	p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
-		       (le32_to_cpu(priv->statistics.flag) &
-			UCODE_STATISTICS_NARROW_BAND_MSK)
-			? "enabled" : "disabled");
-	return p;
-}
-EXPORT_SYMBOL(iwl_dbgfs_statistics_flag);
-
 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 						char __user *user_buf,
 						size_t count, loff_t *ppos) {
@@ -330,45 +309,35 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 
 	for (i = 0; i < max_sta; i++) {
 		station = &priv->stations[i];
-		if (station->used) {
-			pos += scnprintf(buf + pos, bufsz - pos,
-					"station %d:\ngeneral data:\n", i+1);
-			pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
-					station->sta.sta.sta_id);
-			pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
-					station->sta.mode);
-			pos += scnprintf(buf + pos, bufsz - pos,
-					"flags: 0x%x\n",
-					station->sta.station_flags_msk);
-			pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
-			pos += scnprintf(buf + pos, bufsz - pos,
-					"seq_num\t\ttxq_id");
-			pos += scnprintf(buf + pos, bufsz - pos,
-					"\tframe_count\twait_for_ba\t");
-			pos += scnprintf(buf + pos, bufsz - pos,
-					"start_idx\tbitmap0\t");
-			pos += scnprintf(buf + pos, bufsz - pos,
-					"bitmap1\trate_n_flags");
-			pos += scnprintf(buf + pos, bufsz - pos, "\n");
+		if (!station->used)
+			continue;
+		pos += scnprintf(buf + pos, bufsz - pos,
+				 "station %d - addr: %pM, flags: %#x\n",
+				 i, station->sta.sta.addr,
+				 station->sta.station_flags_msk);
+		pos += scnprintf(buf + pos, bufsz - pos,
+				"TID\tseq_num\ttxq_id\tframes\ttfds\t");
+		pos += scnprintf(buf + pos, bufsz - pos,
+				"start_idx\tbitmap\t\t\trate_n_flags\n");
 
-			for (j = 0; j < MAX_TID_COUNT; j++) {
-				pos += scnprintf(buf + pos, bufsz - pos,
-						"[%d]:\t\t%u", j,
-						station->tid[j].seq_number);
-				pos += scnprintf(buf + pos, bufsz - pos,
-						"\t%u\t\t%u\t\t%u\t\t",
-						station->tid[j].agg.txq_id,
-						station->tid[j].agg.frame_count,
-						station->tid[j].agg.wait_for_ba);
+		for (j = 0; j < MAX_TID_COUNT; j++) {
+			pos += scnprintf(buf + pos, bufsz - pos,
+				"%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
+				j, station->tid[j].seq_number,
+				station->tid[j].agg.txq_id,
+				station->tid[j].agg.frame_count,
+				station->tid[j].tfds_in_queue,
+				station->tid[j].agg.start_idx,
+				station->tid[j].agg.bitmap,
+				station->tid[j].agg.rate_n_flags);
+
+			if (station->tid[j].agg.wait_for_ba)
 				pos += scnprintf(buf + pos, bufsz - pos,
-						"%u\t%llu\t%u",
-						station->tid[j].agg.start_idx,
-						(unsigned long long)station->tid[j].agg.bitmap,
-						station->tid[j].agg.rate_n_flags);
-				pos += scnprintf(buf + pos, bufsz - pos, "\n");
-			}
+						 " - waitforba");
 			pos += scnprintf(buf + pos, bufsz - pos, "\n");
 		}
+
+		pos += scnprintf(buf + pos, bufsz - pos, "\n");
 	}
 
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index f3f3473c5c7..57a3c579c87 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -48,25 +48,6 @@
 #include "iwl-power.h"
 #include "iwl-agn-rs.h"
 
-/* configuration for the iwl4965 */
-extern struct iwl_cfg iwl4965_agn_cfg;
-extern struct iwl_cfg iwl5300_agn_cfg;
-extern struct iwl_cfg iwl5100_agn_cfg;
-extern struct iwl_cfg iwl5350_agn_cfg;
-extern struct iwl_cfg iwl5100_bgn_cfg;
-extern struct iwl_cfg iwl5100_abg_cfg;
-extern struct iwl_cfg iwl5150_agn_cfg;
-extern struct iwl_cfg iwl5150_abg_cfg;
-extern struct iwl_cfg iwl6000g2a_2agn_cfg;
-extern struct iwl_cfg iwl6000i_2agn_cfg;
-extern struct iwl_cfg iwl6000i_2abg_cfg;
-extern struct iwl_cfg iwl6000i_2bg_cfg;
-extern struct iwl_cfg iwl6000_3agn_cfg;
-extern struct iwl_cfg iwl6050_2agn_cfg;
-extern struct iwl_cfg iwl6050_2abg_cfg;
-extern struct iwl_cfg iwl1000_bgn_cfg;
-extern struct iwl_cfg iwl1000_bg_cfg;
-
 struct iwl_tx_queue;
 
 /* CT-KILL constants */
@@ -433,7 +414,7 @@ struct iwl_ht_agg {
 
 
 struct iwl_tid_data {
-	u16 seq_number;
+	u16 seq_number; /* agn only */
 	u16 tfds_in_queue;
 	struct iwl_ht_agg agg;
 };
@@ -583,6 +564,12 @@ enum iwl_ucode_tlv_type {
 	IWL_UCODE_TLV_INIT_DATA		= 4,
 	IWL_UCODE_TLV_BOOT		= 5,
 	IWL_UCODE_TLV_PROBE_MAX_LEN	= 6, /* a u32 value */
+	IWL_UCODE_TLV_RUNT_EVTLOG_PTR	= 8,
+	IWL_UCODE_TLV_RUNT_EVTLOG_SIZE	= 9,
+	IWL_UCODE_TLV_RUNT_ERRLOG_PTR	= 10,
+	IWL_UCODE_TLV_INIT_EVTLOG_PTR	= 11,
+	IWL_UCODE_TLV_INIT_EVTLOG_SIZE	= 12,
+	IWL_UCODE_TLV_INIT_ERRLOG_PTR	= 13,
 };
 
 struct iwl_ucode_tlv {
@@ -1109,7 +1096,7 @@ struct iwl_priv {
 	/* force reset */
 	struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
 
-	/* we allocate array of iwl4965_channel_info for NIC's valid channels.
+	/* we allocate array of iwl_channel_info for NIC's valid channels.
 	 *    Access via channel # using indirect index array */
 	struct iwl_channel_info *channel_info;	/* channel info array */
 	u8 channel_count;	/* # of channels */
@@ -1174,7 +1161,7 @@ struct iwl_priv {
 	struct iwl_switch_rxon switch_rxon;
 
 	/* 1st responses from initialize and runtime uCode images.
-	 * 4965's initialize alive response contains some calibration data. */
+	 * _agn's initialize alive response contains some calibration data. */
 	struct iwl_init_alive_resp card_alive_init;
 	struct iwl_alive_resp card_alive;
 
@@ -1220,18 +1207,13 @@ struct iwl_priv {
 	struct iwl_power_mgr power_data;
 	struct iwl_tt_mgmt thermal_throttle;
 
-	struct iwl_notif_statistics statistics;
-#ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_notif_statistics accum_statistics;
-	struct iwl_notif_statistics delta_statistics;
-	struct iwl_notif_statistics max_delta;
-#endif
-
 	/* context information */
 	u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */
 	u8 mac_addr[ETH_ALEN];
 
-	/*station table variables */
+	/* station table variables */
+
+	/* Note: if lock and sta_lock are needed, lock must be acquired first */
 	spinlock_t sta_lock;
 	int num_stations;
 	struct iwl_station_entry stations[IWL_STATION_COUNT];
@@ -1273,7 +1255,7 @@ struct iwl_priv {
 			struct delayed_work rfkill_poll;
 
 			struct iwl3945_notif_statistics statistics;
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 			struct iwl3945_notif_statistics accum_statistics;
 			struct iwl3945_notif_statistics delta_statistics;
 			struct iwl3945_notif_statistics max_delta;
@@ -1315,6 +1297,16 @@ struct iwl_priv {
 			bool last_phy_res_valid;
 
 			struct completion firmware_loading_complete;
+
+			struct iwl_notif_statistics statistics;
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+			struct iwl_notif_statistics accum_statistics;
+			struct iwl_notif_statistics delta_statistics;
+			struct iwl_notif_statistics max_delta;
+#endif
+
+			u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
+			u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 		} _agn;
 #endif
 	};
@@ -1355,7 +1347,7 @@ struct iwl_priv {
 			    iwl_debug_level if set */
 	u32 framecnt_to_us;
 	atomic_t restrict_refcnt;
-	bool disable_ht40;
+#endif /* CONFIG_IWLWIFI_DEBUG */
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 	/* debugfs */
 	u16 tx_traffic_idx;
@@ -1364,8 +1356,8 @@ struct iwl_priv {
 	u8 *rx_traffic;
 	struct dentry *debugfs_dir;
 	u32 dbgfs_sram_offset, dbgfs_sram_len;
+	bool disable_ht40;
 #endif /* CONFIG_IWLWIFI_DEBUGFS */
-#endif /* CONFIG_IWLWIFI_DEBUG */
 
 	struct work_struct txpower_work;
 	u32 disable_sens_cal;
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h
index 3ff6b9d25a1..69846395763 100644
--- a/drivers/net/wireless/iwlwifi/iwl-helpers.h
+++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h
@@ -92,6 +92,11 @@ static inline void iwl_free_fw_desc(struct pci_dev *pci_dev,
 static inline int iwl_alloc_fw_desc(struct pci_dev *pci_dev,
 				    struct fw_desc *desc)
 {
+	if (!desc->len) {
+		desc->v_addr = NULL;
+		return -EINVAL;
+	}
+
 	desc->v_addr = dma_alloc_coherent(&pci_dev->dev, desc->len,
 					  &desc->p_addr, GFP_KERNEL);
 	return (desc->v_addr != NULL) ? 0 : -ENOMEM;
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 0a5d7cf2519..5cd75607742 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -251,7 +251,7 @@ EXPORT_SYMBOL(iwl_rx_spectrum_measure_notif);
 static void iwl_rx_calc_noise(struct iwl_priv *priv)
 {
 	struct statistics_rx_non_phy *rx_info
-				= &(priv->statistics.rx.general);
+				= &(priv->_agn.statistics.rx.general);
 	int num_active_rx = 0;
 	int total_silence = 0;
 	int bcn_silence_a =
@@ -286,7 +286,7 @@ static void iwl_rx_calc_noise(struct iwl_priv *priv)
 			last_rx_noise);
 }
 
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 /*
  *  based on the assumption of all statistics counter are in DWORD
  *  FIXME: This function is for debugging, do not deal with
@@ -300,10 +300,10 @@ static void iwl_accumulative_statistics(struct iwl_priv *priv,
 	u32 *accum_stats;
 	u32 *delta, *max_delta;
 
-	prev_stats = (__le32 *)&priv->statistics;
-	accum_stats = (u32 *)&priv->accum_statistics;
-	delta = (u32 *)&priv->delta_statistics;
-	max_delta = (u32 *)&priv->max_delta;
+	prev_stats = (__le32 *)&priv->_agn.statistics;
+	accum_stats = (u32 *)&priv->_agn.accum_statistics;
+	delta = (u32 *)&priv->_agn.delta_statistics;
+	max_delta = (u32 *)&priv->_agn.max_delta;
 
 	for (i = sizeof(__le32); i < sizeof(struct iwl_notif_statistics);
 	     i += sizeof(__le32), stats++, prev_stats++, delta++,
@@ -318,18 +318,18 @@ static void iwl_accumulative_statistics(struct iwl_priv *priv,
 	}
 
 	/* reset accumulative statistics for "no-counter" type statistics */
-	priv->accum_statistics.general.temperature =
-		priv->statistics.general.temperature;
-	priv->accum_statistics.general.temperature_m =
-		priv->statistics.general.temperature_m;
-	priv->accum_statistics.general.ttl_timestamp =
-		priv->statistics.general.ttl_timestamp;
-	priv->accum_statistics.tx.tx_power.ant_a =
-		priv->statistics.tx.tx_power.ant_a;
-	priv->accum_statistics.tx.tx_power.ant_b =
-		priv->statistics.tx.tx_power.ant_b;
-	priv->accum_statistics.tx.tx_power.ant_c =
-		priv->statistics.tx.tx_power.ant_c;
+	priv->_agn.accum_statistics.general.temperature =
+		priv->_agn.statistics.general.temperature;
+	priv->_agn.accum_statistics.general.temperature_m =
+		priv->_agn.statistics.general.temperature_m;
+	priv->_agn.accum_statistics.general.ttl_timestamp =
+		priv->_agn.statistics.general.ttl_timestamp;
+	priv->_agn.accum_statistics.tx.tx_power.ant_a =
+		priv->_agn.statistics.tx.tx_power.ant_a;
+	priv->_agn.accum_statistics.tx.tx_power.ant_b =
+		priv->_agn.statistics.tx.tx_power.ant_b;
+	priv->_agn.accum_statistics.tx.tx_power.ant_c =
+		priv->_agn.statistics.tx.tx_power.ant_c;
 }
 #endif
 
@@ -364,9 +364,9 @@ bool iwl_good_plcp_health(struct iwl_priv *priv,
 	if (plcp_msec) {
 		combined_plcp_delta =
 			(le32_to_cpu(pkt->u.stats.rx.ofdm.plcp_err) -
-			le32_to_cpu(priv->statistics.rx.ofdm.plcp_err)) +
+			le32_to_cpu(priv->_agn.statistics.rx.ofdm.plcp_err)) +
 			(le32_to_cpu(pkt->u.stats.rx.ofdm_ht.plcp_err) -
-			le32_to_cpu(priv->statistics.rx.ofdm_ht.plcp_err));
+			le32_to_cpu(priv->_agn.statistics.rx.ofdm_ht.plcp_err));
 
 		if ((combined_plcp_delta > 0) &&
 		    ((combined_plcp_delta * 100) / plcp_msec) >
@@ -386,10 +386,10 @@ bool iwl_good_plcp_health(struct iwl_priv *priv,
 				"%u, %u, %u, %u, %d, %u mSecs\n",
 				priv->cfg->plcp_delta_threshold,
 				le32_to_cpu(pkt->u.stats.rx.ofdm.plcp_err),
-				le32_to_cpu(priv->statistics.rx.ofdm.plcp_err),
+				le32_to_cpu(priv->_agn.statistics.rx.ofdm.plcp_err),
 				le32_to_cpu(pkt->u.stats.rx.ofdm_ht.plcp_err),
 				le32_to_cpu(
-				  priv->statistics.rx.ofdm_ht.plcp_err),
+				  priv->_agn.statistics.rx.ofdm_ht.plcp_err),
 				combined_plcp_delta, plcp_msec);
 			rc = false;
 		}
@@ -439,21 +439,22 @@ void iwl_rx_statistics(struct iwl_priv *priv,
 
 
 	IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n",
-		     (int)sizeof(priv->statistics),
+		     (int)sizeof(priv->_agn.statistics),
 		     le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
 
-	change = ((priv->statistics.general.temperature !=
+	change = ((priv->_agn.statistics.general.temperature !=
 		   pkt->u.stats.general.temperature) ||
-		  ((priv->statistics.flag &
+		  ((priv->_agn.statistics.flag &
 		    STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
 		   (pkt->u.stats.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
 
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 	iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats);
 #endif
 	iwl_recover_from_statistics(priv, pkt);
 
-	memcpy(&priv->statistics, &pkt->u.stats, sizeof(priv->statistics));
+	memcpy(&priv->_agn.statistics, &pkt->u.stats,
+		sizeof(priv->_agn.statistics));
 
 	set_bit(STATUS_STATISTICS, &priv->status);
 
@@ -480,12 +481,12 @@ void iwl_reply_statistics(struct iwl_priv *priv,
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 
 	if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) {
-#ifdef CONFIG_IWLWIFI_DEBUG
-		memset(&priv->accum_statistics, 0,
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+		memset(&priv->_agn.accum_statistics, 0,
 			sizeof(struct iwl_notif_statistics));
-		memset(&priv->delta_statistics, 0,
+		memset(&priv->_agn.delta_statistics, 0,
 			sizeof(struct iwl_notif_statistics));
-		memset(&priv->max_delta, 0,
+		memset(&priv->_agn.max_delta, 0,
 			sizeof(struct iwl_notif_statistics));
 #endif
 		IWL_DEBUG_RX(priv, "Statistics have been cleared\n");
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 83a26361a9b..c7127132c29 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -311,10 +311,10 @@ int iwl_add_station_common(struct iwl_priv *priv, const u8 *addr,
 				  struct ieee80211_sta_ht_cap *ht_info,
 				  u8 *sta_id_r)
 {
-	struct iwl_station_entry *station;
 	unsigned long flags_spin;
 	int ret = 0;
 	u8 sta_id;
+	struct iwl_addsta_cmd sta_cmd;
 
 	*sta_id_r = 0;
 	spin_lock_irqsave(&priv->sta_lock, flags_spin);
@@ -347,14 +347,15 @@ int iwl_add_station_common(struct iwl_priv *priv, const u8 *addr,
 	}
 
 	priv->stations[sta_id].used |= IWL_STA_UCODE_INPROGRESS;
-	station = &priv->stations[sta_id];
+	memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd));
 	spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
 
 	/* Add station to device's station table */
-	ret = iwl_send_add_sta(priv, &station->sta, CMD_SYNC);
+	ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
 	if (ret) {
-		IWL_ERR(priv, "Adding station %pM failed.\n", station->sta.sta.addr);
 		spin_lock_irqsave(&priv->sta_lock, flags_spin);
+		IWL_ERR(priv, "Adding station %pM failed.\n",
+			priv->stations[sta_id].sta.sta.addr);
 		priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE;
 		priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS;
 		spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
@@ -488,7 +489,7 @@ static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id)
 }
 
 static int iwl_send_remove_station(struct iwl_priv *priv,
-				   struct iwl_station_entry *station)
+				   const u8 *addr, int sta_id)
 {
 	struct iwl_rx_packet *pkt;
 	int ret;
@@ -505,7 +506,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv,
 
 	memset(&rm_sta_cmd, 0, sizeof(rm_sta_cmd));
 	rm_sta_cmd.num_sta = 1;
-	memcpy(&rm_sta_cmd.addr, &station->sta.sta.addr , ETH_ALEN);
+	memcpy(&rm_sta_cmd.addr, addr, ETH_ALEN);
 
 	cmd.flags |= CMD_WANT_SKB;
 
@@ -525,7 +526,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv,
 		switch (pkt->u.rem_sta.status) {
 		case REM_STA_SUCCESS_MSK:
 			spin_lock_irqsave(&priv->sta_lock, flags_spin);
-			iwl_sta_ucode_deactivate(priv, station->sta.sta.sta_id);
+			iwl_sta_ucode_deactivate(priv, sta_id);
 			spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
 			IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n");
 			break;
@@ -546,7 +547,6 @@ static int iwl_send_remove_station(struct iwl_priv *priv,
 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 		       const u8 *addr)
 {
-	struct iwl_station_entry *station;
 	unsigned long flags;
 
 	if (!iwl_is_ready(priv)) {
@@ -592,10 +592,9 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 
 	BUG_ON(priv->num_stations < 0);
 
-	station = &priv->stations[sta_id];
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
-	return iwl_send_remove_station(priv, station);
+	return iwl_send_remove_station(priv, addr, sta_id);
 out_err:
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 	return -EINVAL;
@@ -643,11 +642,13 @@ EXPORT_SYMBOL(iwl_clear_ucode_stations);
  */
 void iwl_restore_stations(struct iwl_priv *priv)
 {
-	struct iwl_station_entry *station;
+	struct iwl_addsta_cmd sta_cmd;
+	struct iwl_link_quality_cmd lq;
 	unsigned long flags_spin;
 	int i;
 	bool found = false;
 	int ret;
+	bool send_lq;
 
 	if (!iwl_is_ready(priv)) {
 		IWL_DEBUG_INFO(priv, "Not ready yet, not restoring any stations.\n");
@@ -669,13 +670,20 @@ void iwl_restore_stations(struct iwl_priv *priv)
 
 	for (i = 0; i < priv->hw_params.max_stations; i++) {
 		if ((priv->stations[i].used & IWL_STA_UCODE_INPROGRESS)) {
+			memcpy(&sta_cmd, &priv->stations[i].sta,
+			       sizeof(struct iwl_addsta_cmd));
+			send_lq = false;
+			if (priv->stations[i].lq) {
+				memcpy(&lq, priv->stations[i].lq,
+				       sizeof(struct iwl_link_quality_cmd));
+				send_lq = true;
+			}
 			spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
-			station = &priv->stations[i];
-			ret = iwl_send_add_sta(priv, &priv->stations[i].sta, CMD_SYNC);
+			ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
 			if (ret) {
-				IWL_ERR(priv, "Adding station %pM failed.\n",
-					station->sta.sta.addr);
 				spin_lock_irqsave(&priv->sta_lock, flags_spin);
+				IWL_ERR(priv, "Adding station %pM failed.\n",
+					priv->stations[i].sta.sta.addr);
 				priv->stations[i].used &= ~IWL_STA_DRIVER_ACTIVE;
 				priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS;
 				spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
@@ -684,8 +692,8 @@ void iwl_restore_stations(struct iwl_priv *priv)
 			 * Rate scaling has already been initialized, send
 			 * current LQ command
 			 */
-			if (station->lq)
-				iwl_send_lq_cmd(priv, station->lq, CMD_SYNC, true);
+			if (send_lq)
+				iwl_send_lq_cmd(priv, &lq, CMD_SYNC, true);
 			spin_lock_irqsave(&priv->sta_lock, flags_spin);
 			priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS;
 		}
@@ -972,24 +980,16 @@ void iwl_update_tkip_key(struct iwl_priv *priv,
 	unsigned long flags;
 	int i;
 
-	if (sta) {
-		sta_id = iwl_sta_id(sta);
-
-		if (sta_id == IWL_INVALID_STATION) {
-			IWL_DEBUG_MAC80211(priv, "leave - %pM not initialised.\n",
-					   sta->addr);
-			return;
-		}
-	} else
-		sta_id = priv->hw_params.bcast_sta_id;
-
-
 	if (iwl_scan_cancel(priv)) {
 		/* cancel scan failed, just live w/ bad key and rely
 		   briefly on SW decryption */
 		return;
 	}
 
+	sta_id = iwl_sta_id_or_broadcast(priv, sta);
+	if (sta_id == IWL_INVALID_STATION)
+		return;
+
 	spin_lock_irqsave(&priv->sta_lock, flags);
 
 	priv->stations[sta_id].sta.key.tkip_rx_tsc_byte2 = (u8) iv32;
@@ -1277,9 +1277,8 @@ void iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid)
 	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_TID_DISABLE_TX;
 	priv->stations[sta_id].sta.tid_disable_tx &= cpu_to_le16(~(1 << tid));
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
-	spin_unlock_irqrestore(&priv->sta_lock, flags);
-
 	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+	spin_unlock_irqrestore(&priv->sta_lock, flags);
 }
 EXPORT_SYMBOL(iwl_sta_tx_modify_enable_tid);
 
@@ -1310,7 +1309,7 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 			int tid)
 {
 	unsigned long flags;
-	int sta_id;
+	int sta_id, ret;
 
 	sta_id = iwl_sta_id(sta);
 	if (sta_id == IWL_INVALID_STATION) {
@@ -1323,10 +1322,11 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK;
 	priv->stations[sta_id].sta.remove_immediate_ba_tid = (u8)tid;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+	ret = iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
-	return iwl_send_add_sta(priv, &priv->stations[sta_id].sta,
-					CMD_ASYNC);
+	return ret;
+
 }
 EXPORT_SYMBOL(iwl_sta_rx_agg_stop);
 
@@ -1340,9 +1340,9 @@ void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
 	priv->stations[sta_id].sta.sta.modify_mask = 0;
 	priv->stations[sta_id].sta.sleep_tx_count = 0;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
-	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 }
 EXPORT_SYMBOL(iwl_sta_modify_ps_wake);
 
@@ -1357,9 +1357,9 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt)
 					STA_MODIFY_SLEEP_TX_COUNT_MSK;
 	priv->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt);
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
-	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 }
 EXPORT_SYMBOL(iwl_sta_modify_sleep_tx_count);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h
index c2a453a1a99..5b1b1e461eb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.h
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.h
@@ -107,4 +107,33 @@ static inline int iwl_sta_id(struct ieee80211_sta *sta)
 
 	return ((struct iwl_station_priv_common *)sta->drv_priv)->sta_id;
 }
+
+/**
+ * iwl_sta_id_or_broadcast - return sta_id or broadcast sta
+ * @priv: iwl priv
+ * @sta: mac80211 station
+ *
+ * In certain circumstances mac80211 passes a station pointer
+ * that may be %NULL, for example during TX or key setup. In
+ * that case, we need to use the broadcast station, so this
+ * inline wraps that pattern.
+ */
+static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv,
+					  struct ieee80211_sta *sta)
+{
+	int sta_id;
+
+	if (!sta)
+		return priv->hw_params.bcast_sta_id;
+
+	sta_id = iwl_sta_id(sta);
+
+	/*
+	 * mac80211 should not be passing a partially
+	 * initialised station!
+	 */
+	WARN_ON(sta_id == IWL_INVALID_STATION);
+
+	return sta_id;
+}
 #endif /* __iwl_sta_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 1ece2ea0977..e732f21ce7e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -77,21 +77,6 @@ void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq)
 }
 EXPORT_SYMBOL(iwl_txq_update_write_ptr);
 
-
-void iwl_free_tfds_in_queue(struct iwl_priv *priv,
-			    int sta_id, int tid, int freed)
-{
-	if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
-		priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
-	else {
-		IWL_DEBUG_TX(priv, "free more than tfds_in_queue (%u:%d)\n",
-			priv->stations[sta_id].tid[tid].tfds_in_queue,
-			freed);
-		priv->stations[sta_id].tid[tid].tfds_in_queue = 0;
-	}
-}
-EXPORT_SYMBOL(iwl_free_tfds_in_queue);
-
 /**
  * iwl_tx_queue_free - Deallocate DMA queue.
  * @txq: Transmit queue to deallocate.
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 3e5bffb6034..f3127d59973 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -197,6 +197,7 @@ static int iwl3945_set_wep_dynamic_key_info(struct iwl_priv *priv,
 static int iwl3945_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id)
 {
 	unsigned long flags;
+	struct iwl_addsta_cmd sta_cmd;
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
 	memset(&priv->stations[sta_id].keyinfo, 0, sizeof(struct iwl_hw_key));
@@ -205,11 +206,11 @@ static int iwl3945_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id)
 	priv->stations[sta_id].sta.key.key_flags = STA_KEY_FLG_NO_ENC;
 	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+	memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd));
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
 	IWL_DEBUG_INFO(priv, "hwcrypto: clear ucode station key info\n");
-	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, 0);
-	return 0;
+	return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
 }
 
 static int iwl3945_set_dynamic_key(struct iwl_priv *priv,
@@ -474,10 +475,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	u8 unicast;
 	u8 sta_id;
 	u8 tid = 0;
-	u16 seq_number = 0;
 	__le16 fc;
 	u8 wait_write_ptr = 0;
-	u8 *qc = NULL;
 	unsigned long flags;
 
 	spin_lock_irqsave(&priv->lock, flags);
@@ -510,10 +509,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	hdr_len = ieee80211_hdrlen(fc);
 
 	/* Find index into station table for destination station */
-	if (!info->control.sta)
-		sta_id = priv->hw_params.bcast_sta_id;
-	else
-		sta_id = iwl_sta_id(info->control.sta);
+	sta_id = iwl_sta_id_or_broadcast(priv, info->control.sta);
 	if (sta_id == IWL_INVALID_STATION) {
 		IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
 			       hdr->addr1);
@@ -523,16 +519,10 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	IWL_DEBUG_RATE(priv, "station Id %d\n", sta_id);
 
 	if (ieee80211_is_data_qos(fc)) {
-		qc = ieee80211_get_qos_ctl(hdr);
+		u8 *qc = ieee80211_get_qos_ctl(hdr);
 		tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
 		if (unlikely(tid >= MAX_TID_COUNT))
 			goto drop;
-		seq_number = priv->stations[sta_id].tid[tid].seq_number &
-				IEEE80211_SCTL_SEQ;
-		hdr->seq_ctrl = cpu_to_le16(seq_number) |
-			(hdr->seq_ctrl &
-				cpu_to_le16(IEEE80211_SCTL_FRAG));
-		seq_number += 0x10;
 	}
 
 	/* Descriptor for chosen Tx queue */
@@ -591,8 +581,6 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
 	if (!ieee80211_has_morefrags(hdr->frame_control)) {
 		txq->need_update = 1;
-		if (qc)
-			priv->stations[sta_id].tid[tid].seq_number = seq_number;
 	} else {
 		wait_write_ptr = 1;
 		txq->need_update = 0;
@@ -3108,19 +3096,16 @@ void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n",
 			vif->bss_conf.aid, vif->bss_conf.beacon_int);
 
-	if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
+	if (vif->bss_conf.use_short_preamble)
 		priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
 	else
 		priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
 
 	if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-		if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
+		if (vif->bss_conf.use_short_slot)
 			priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
 		else
 			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
-		if (vif->type == NL80211_IFTYPE_ADHOC)
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
 	}
 
 	iwlcore_commit_rxon(priv);
@@ -3284,8 +3269,7 @@ void iwl3945_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
 		priv->staging_rxon.assoc_id = 0;
 
-		if (vif->bss_conf.assoc_capability &
-					WLAN_CAPABILITY_SHORT_PREAMBLE)
+		if (vif->bss_conf.use_short_preamble)
 			priv->staging_rxon.flags |=
 				RXON_FLG_SHORT_PREAMBLE_MSK;
 		else
@@ -3293,17 +3277,12 @@ void iwl3945_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
 				~RXON_FLG_SHORT_PREAMBLE_MSK;
 
 		if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-			if (vif->bss_conf.assoc_capability &
-					WLAN_CAPABILITY_SHORT_SLOT_TIME)
+			if (vif->bss_conf.use_short_slot)
 				priv->staging_rxon.flags |=
 					RXON_FLG_SHORT_SLOT_MSK;
 			else
 				priv->staging_rxon.flags &=
 					~RXON_FLG_SHORT_SLOT_MSK;
-
-			if (vif->type == NL80211_IFTYPE_ADHOC)
-				priv->staging_rxon.flags &=
-					~RXON_FLG_SHORT_SLOT_MSK;
 		}
 		/* restore RXON assoc */
 		priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
@@ -3336,17 +3315,9 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	static_key = !iwl_is_associated(priv);
 
 	if (!static_key) {
-		if (!sta) {
-			sta_id = priv->hw_params.bcast_sta_id;
-		} else {
-			sta_id = iwl_sta_id(sta);
-			if (sta_id == IWL_INVALID_STATION) {
-				IWL_DEBUG_MAC80211(priv,
-						   "leave - %pM not in station map.\n",
-						   sta->addr);
-				return -EINVAL;
-			}
-		}
+		sta_id = iwl_sta_id_or_broadcast(priv, sta);
+		if (sta_id == IWL_INVALID_STATION)
+			return -EINVAL;
 	}
 
 	mutex_lock(&priv->mutex);