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

8 files changed, 65 insertions, 76 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 9d1820676f30..694ceef88590 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -247,6 +247,7 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.support_ct_kill_exit = true,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl1000_bg_cfg = {
@@ -274,6 +275,7 @@ struct iwl_cfg iwl1000_bg_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.support_ct_kill_exit = true,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 6d5988901341..f3d662c8cbcf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -179,14 +179,24 @@ static void iwl5000_gain_computation(struct iwl_priv *priv,
 			data->delta_gain_code[i] = 0;
 			continue;
 		}
-		delta_g = (1000 * ((s32)average_noise[default_chain] -
+
+		delta_g = (priv->cfg->chain_noise_scale *
+			((s32)average_noise[default_chain] -
 			(s32)average_noise[i])) / 1500;
+
 		/* bound gain by 2 bits value max, 3rd bit is sign */
 		data->delta_gain_code[i] =
 			min(abs(delta_g), (long) CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
 
 		if (delta_g < 0)
-			/* set negative sign */
+			/*
+			 * set negative sign ...
+			 * note to Intel developers:  This is uCode API format,
+			 *   not the format of any internal device registers.
+			 *   Do not change this format for e.g. 6050 or similar
+			 *   devices.  Change format only if more resolution
+			 *   (i.e. more than 2 bits magnitude) is needed.
+			 */
 			data->delta_gain_code[i] |= (1 << 2);
 	}
 
@@ -1587,6 +1597,7 @@ struct iwl_cfg iwl5300_agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl5100_bgn_cfg = {
@@ -1612,6 +1623,7 @@ struct iwl_cfg iwl5100_bgn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl5100_abg_cfg = {
@@ -1635,6 +1647,7 @@ struct iwl_cfg iwl5100_abg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl5100_agn_cfg = {
@@ -1660,6 +1673,7 @@ struct iwl_cfg iwl5100_agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl5350_agn_cfg = {
@@ -1685,6 +1699,7 @@ struct iwl_cfg iwl5350_agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl5150_agn_cfg = {
@@ -1710,6 +1725,7 @@ struct iwl_cfg iwl5150_agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl5150_abg_cfg = {
@@ -1733,6 +1749,7 @@ struct iwl_cfg iwl5150_abg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index a9f8551e0e40..782e23a26984 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -277,21 +277,6 @@ static const struct iwl_ops iwl6000_ops = {
 	.led = &iwlagn_led_ops,
 };
 
-static struct iwl_hcmd_utils_ops iwl6050_hcmd_utils = {
-	.get_hcmd_size = iwl5000_get_hcmd_size,
-	.build_addsta_hcmd = iwl5000_build_addsta_hcmd,
-	.rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
-	.calc_rssi = iwl5000_calc_rssi,
-};
-
-static const struct iwl_ops iwl6050_ops = {
-	.ucode = &iwl5000_ucode,
-	.lib = &iwl6000_lib,
-	.hcmd = &iwl5000_hcmd,
-	.utils = &iwl6050_hcmd_utils,
-	.led = &iwlagn_led_ops,
-};
-
 /*
  * "i": Internal configuration, use internal Power Amplifier
  */
@@ -324,6 +309,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl6000i_2abg_cfg = {
@@ -354,6 +340,7 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl6000i_2bg_cfg = {
@@ -384,6 +371,7 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 struct iwl_cfg iwl6050_2agn_cfg = {
@@ -392,7 +380,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.ucode_api_max = IWL6050_UCODE_API_MAX,
 	.ucode_api_min = IWL6050_UCODE_API_MIN,
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
-	.ops = &iwl6050_ops,
+	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
@@ -415,6 +403,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1500,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -423,7 +412,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.ucode_api_max = IWL6050_UCODE_API_MAX,
 	.ucode_api_min = IWL6050_UCODE_API_MIN,
 	.sku = IWL_SKU_A|IWL_SKU_G,
-	.ops = &iwl6050_ops,
+	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
@@ -445,6 +434,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1500,
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
@@ -476,6 +466,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index d0268280d679..1854c720b5e0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2631,7 +2631,7 @@ static int iwl_mac_setup_register(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;
 
@@ -3440,7 +3440,6 @@ 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,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 02bf17ecaf54..d390eef2efe5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2787,6 +2787,7 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 		if ((le16_to_cpu(priv->staging_rxon.channel) != ch))
 			priv->staging_rxon.flags = 0;
 
+		iwl_set_rxon_ht(priv, ht_conf);
 		iwl_set_rxon_channel(priv, conf->channel);
 
 		iwl_set_flags_for_band(priv, conf->channel->band);
@@ -2850,42 +2851,6 @@ out:
 }
 EXPORT_SYMBOL(iwl_mac_config);
 
-int iwl_mac_get_tx_stats(struct ieee80211_hw *hw,
-			 struct ieee80211_tx_queue_stats *stats)
-{
-	struct iwl_priv *priv = hw->priv;
-	int i, avail;
-	struct iwl_tx_queue *txq;
-	struct iwl_queue *q;
-	unsigned long flags;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	if (!iwl_is_ready_rf(priv)) {
-		IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
-		return -EIO;
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	for (i = 0; i < AC_NUM; i++) {
-		txq = &priv->txq[i];
-		q = &txq->q;
-		avail = iwl_queue_space(q);
-
-		stats[i].len = q->n_window - avail;
-		stats[i].limit = q->n_window - q->high_mark;
-		stats[i].count = q->n_window;
-
-	}
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-	return 0;
-}
-EXPORT_SYMBOL(iwl_mac_get_tx_stats);
-
 void iwl_mac_reset_tsf(struct ieee80211_hw *hw)
 {
 	struct iwl_priv *priv = hw->priv;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index ec1fe1d7cc9a..8f0c564e68b0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -293,6 +293,7 @@ struct iwl_cfg {
 	bool support_ct_kill_exit;
 	const bool support_wimax_coexist;
 	u8 plcp_delta_threshold;
+	s32 chain_noise_scale;
 };
 
 /***************************
@@ -341,8 +342,6 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw,
 			      struct ieee80211_vif *vif);
 int iwl_mac_config(struct ieee80211_hw *hw, u32 changed);
 void iwl_config_ap(struct iwl_priv *priv);
-int iwl_mac_get_tx_stats(struct ieee80211_hw *hw,
-			 struct ieee80211_tx_queue_stats *stats);
 void iwl_mac_reset_tsf(struct ieee80211_hw *hw);
 int iwl_alloc_txq_mem(struct iwl_priv *priv);
 void iwl_free_txq_mem(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 08faafae8497..f786a407638f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -651,9 +651,20 @@ u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame,
 	if (left < 0)
 		return 0;
 	*pos++ = WLAN_EID_SSID;
-	*pos++ = 0;
-
-	len += 2;
+	if (!priv->is_internal_short_scan &&
+	    priv->scan_request->n_ssids) {
+		struct cfg80211_ssid *ssid =
+			priv->scan_request->ssids;
+
+		/* Broadcast if ssid_len is 0 */
+		*pos++ = ssid->ssid_len;
+		memcpy(pos, ssid->ssid, ssid->ssid_len);
+		pos += ssid->ssid_len;
+		len += 2 + ssid->ssid_len;
+	} else {
+		*pos++ = 0;
+		len += 2;
+	}
 
 	if (WARN_ON(left < ie_len))
 		return len;
@@ -782,20 +793,26 @@ static void iwl_bg_request_scan(struct work_struct *data)
 	if (priv->is_internal_short_scan) {
 		IWL_DEBUG_SCAN(priv, "Start internal passive scan.\n");
 	} else if (priv->scan_request->n_ssids) {
-		int i, p = 0;
 		IWL_DEBUG_SCAN(priv, "Kicking off active scan\n");
-		for (i = 0; i < priv->scan_request->n_ssids; i++) {
-			/* always does wildcard anyway */
-			if (!priv->scan_request->ssids[i].ssid_len)
-				continue;
-			scan->direct_scan[p].id = WLAN_EID_SSID;
-			scan->direct_scan[p].len =
-				priv->scan_request->ssids[i].ssid_len;
-			memcpy(scan->direct_scan[p].ssid,
-			       priv->scan_request->ssids[i].ssid,
-			       priv->scan_request->ssids[i].ssid_len);
-			n_probes++;
-			p++;
+		/*
+		 * The first SSID to scan is stuffed into the probe request
+		 * template and the remaining ones are handled through the
+		 * direct_scan array.
+		 */
+		if (priv->scan_request->n_ssids > 1) {
+			int i, p = 0;
+			for (i = 1; i < priv->scan_request->n_ssids; i++) {
+				if (!priv->scan_request->ssids[i].ssid_len)
+					continue;
+				scan->direct_scan[p].id = WLAN_EID_SSID;
+				scan->direct_scan[p].len =
+					priv->scan_request->ssids[i].ssid_len;
+				memcpy(scan->direct_scan[p].ssid,
+				       priv->scan_request->ssids[i].ssid,
+				       priv->scan_request->ssids[i].ssid_len);
+				n_probes++;
+				p++;
+			}
 		}
 		is_active = true;
 	} else
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 119da54116de..eac2b9a95711 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3835,7 +3835,6 @@ static struct ieee80211_ops iwl3945_hw_ops = {
 	.config = iwl_mac_config,
 	.configure_filter = iwl_configure_filter,
 	.set_key = iwl3945_mac_set_key,
-	.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,