6 files changed, 84 insertions, 22 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 484c5fdf7c2a..9b4b8b5c7574 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1961,7 +1961,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
         struct ieee80211_tx_info *info;
         struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
         u32  status = le32_to_cpu(tx_resp->u.status);
-        int tid = MAX_TID_COUNT;
+        int uninitialized_var(tid);
         int sta_id;
         int freed;
         u8 *qc = NULL;
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 33a5866538e7..de45f308b744 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1598,6 +1598,7 @@ struct iwl_cfg iwl5300_agn_cfg = {
         .use_bsm = false,
         .ht_greenfield_support = true,
         .led_compensation = 51,
+        .use_rts_for_ht = true, /* use rts/cts protection */
         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
         .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
@@ -1622,6 +1623,7 @@ struct iwl_cfg iwl5100_bgn_cfg = {
         .use_bsm = false,
         .ht_greenfield_support = true,
         .led_compensation = 51,
+        .use_rts_for_ht = true, /* use rts/cts protection */
         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
@@ -1667,6 +1669,7 @@ struct iwl_cfg iwl5100_agn_cfg = {
         .use_bsm = false,
         .ht_greenfield_support = true,
         .led_compensation = 51,
+        .use_rts_for_ht = true, /* use rts/cts protection */
         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
         .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
@@ -1691,6 +1694,7 @@ struct iwl_cfg iwl5350_agn_cfg = {
         .use_bsm = false,
         .ht_greenfield_support = true,
         .led_compensation = 51,
+        .use_rts_for_ht = true, /* use rts/cts protection */
         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
         .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
@@ -1715,6 +1719,7 @@ struct iwl_cfg iwl5150_agn_cfg = {
         .use_bsm = false,
         .ht_greenfield_support = true,
         .led_compensation = 51,
+        .use_rts_for_ht = true, /* use rts/cts protection */
         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
         .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 574d36658702..5461f105bd2d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2344,6 +2344,21 @@ static void iwl_ht_conf(struct iwl_priv *priv,
         IWL_DEBUG_MAC80211(priv, "leave\n");
 }
 
+static inline void iwl_set_no_assoc(struct iwl_priv *priv)
+{
+        priv->assoc_id = 0;
+        iwl_led_disassociate(priv);
+        /*
+         * inform the ucode that there is no longer an
+         * association and that no more packets should be
+         * sent
+         */
+        priv->staging_rxon.filter_flags &=
+                ~RXON_FILTER_ASSOC_MSK;
+        priv->staging_rxon.assoc_id = 0;
+        iwlcore_commit_rxon(priv);
+}
+
 #define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
 void iwl_bss_info_changed(struct ieee80211_hw *hw,
                           struct ieee80211_vif *vif,
@@ -2475,20 +2490,8 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
                                         IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
                         if (!iwl_is_rfkill(priv))
                                 priv->cfg->ops->lib->post_associate(priv);
-                } else {
-                        priv->assoc_id = 0;
-                        iwl_led_disassociate(priv);
-
-                        /*
-                         * inform the ucode that there is no longer an
-                         * association and that no more packets should be
-                         * send
-                         */
-                        priv->staging_rxon.filter_flags &=
-                                ~RXON_FILTER_ASSOC_MSK;
-                        priv->staging_rxon.assoc_id = 0;
-                        iwlcore_commit_rxon(priv);
-                }
+                } else
+                        iwl_set_no_assoc(priv);
         }
 
         if (changes && iwl_is_associated(priv) && priv->assoc_id) {
@@ -2503,12 +2506,14 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
                 }
         }
 
-        if ((changes & BSS_CHANGED_BEACON_ENABLED) &&
-            vif->bss_conf.enable_beacon) {
-                memcpy(priv->staging_rxon.bssid_addr,
-                       bss_conf->bssid, ETH_ALEN);
-                memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
-                iwlcore_config_ap(priv);
+        if (changes & BSS_CHANGED_BEACON_ENABLED) {
+                if (vif->bss_conf.enable_beacon) {
+                        memcpy(priv->staging_rxon.bssid_addr,
+                               bss_conf->bssid, ETH_ALEN);
+                        memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
+                        iwlcore_config_ap(priv);
+                } else
+                        iwl_set_no_assoc(priv);
         }
 
         mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 165d1f6e2dd9..3822cf53e368 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -711,7 +711,7 @@ extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
 extern int iwl_queue_space(const struct iwl_queue *q);
 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
 {
-        return q->write_ptr > q->read_ptr ?
+        return q->write_ptr >= q->read_ptr ?
                 (i >= q->read_ptr && i < q->write_ptr) :
                 !(i < q->read_ptr && i >= q->write_ptr);
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c
index e7d88d1da15d..83cc4e500a96 100644
--- a/drivers/net/wireless/iwlwifi/iwl-devtrace.c
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c
@@ -1,3 +1,29 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009 - 2010 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
 #include <linux/module.h>
 
 /* sparse doesn't like tracepoint macros */
diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
index 21361968ab7e..d9c7363b1bbb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
@@ -1,3 +1,29 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009 - 2010 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
 #if !defined(__IWLWIFI_DEVICE_TRACE) || defined(TRACE_HEADER_MULTI_READ)
 #define __IWLWIFI_DEVICE_TRACE