Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

12 files changed, 102 insertions, 61 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index e12b48c2cff6..dd008b0e6417 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -191,6 +191,7 @@ static struct iwl_base_params iwl1000_base_params = {
         .chain_noise_scale = 1000,
         .wd_timeout = IWL_DEF_WD_TIMEOUT,
         .max_event_log_size = 128,
+        .wd_disable = true,
 };
 static struct iwl_ht_params iwl1000_ht_params = {
         .ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index c511c98a89a8..f55fb2d1af52 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -364,6 +364,7 @@ static struct iwl_base_params iwl5000_base_params = {
         .wd_timeout = IWL_LONG_WD_TIMEOUT,
         .max_event_log_size = 512,
         .no_idle_support = true,
+        .wd_disable = true,
 };
 static struct iwl_ht_params iwl5000_ht_params = {
         .ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 58a381c01c89..a7a6def40d05 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -528,6 +528,24 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
         return 0;
 }
 
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+        struct iwl_rxon_context *ctx)
+{
+        if (conf_is_ht40_minus(conf)) {
+                ctx->ht.extension_chan_offset =
+                        IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+                ctx->ht.is_40mhz = true;
+        } else if (conf_is_ht40_plus(conf)) {
+                ctx->ht.extension_chan_offset =
+                        IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+                ctx->ht.is_40mhz = true;
+        } else {
+                ctx->ht.extension_chan_offset =
+                        IEEE80211_HT_PARAM_CHA_SEC_NONE;
+                ctx->ht.is_40mhz = false;
+        }
+}
+
 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
 {
         struct iwl_priv *priv = hw->priv;
@@ -586,19 +604,11 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
                                 ctx->ht.enabled = conf_is_ht(conf);
 
                         if (ctx->ht.enabled) {
-                                if (conf_is_ht40_minus(conf)) {
-                                        ctx->ht.extension_chan_offset =
-                                                IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-                                        ctx->ht.is_40mhz = true;
-                                } else if (conf_is_ht40_plus(conf)) {
-                                        ctx->ht.extension_chan_offset =
-                                                IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-                                        ctx->ht.is_40mhz = true;
-                                } else {
-                                        ctx->ht.extension_chan_offset =
-                                                IEEE80211_HT_PARAM_CHA_SEC_NONE;
-                                        ctx->ht.is_40mhz = false;
-                                }
+                                /* if HT40 is used, it should not change
+                                 * after associated except channel switch */
+                                if (iwl_is_associated_ctx(ctx) &&
+                                     !ctx->ht.is_40mhz)
+                                        iwlagn_config_ht40(conf, ctx);
                         } else
                                 ctx->ht.is_40mhz = false;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index ed6283623932..4b2aa1da0953 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -1268,9 +1268,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
 
         switch (keyconf->cipher) {
         case WLAN_CIPHER_SUITE_TKIP:
-                keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
-                keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-
                 if (sta)
                         addr = sta->addr;
                 else /* station mode case only */
@@ -1283,8 +1280,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
                                           seq.tkip.iv32, p1k, CMD_SYNC);
                 break;
         case WLAN_CIPHER_SUITE_CCMP:
-                keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-                /* fall through */
         case WLAN_CIPHER_SUITE_WEP40:
         case WLAN_CIPHER_SUITE_WEP104:
                 ret = iwlagn_send_sta_key(priv, keyconf, sta_id,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index ccba69b7f8a7..bacc06c95e7a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2316,6 +2316,17 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                 return -EOPNOTSUPP;
         }
 
+        switch (key->cipher) {
+        case WLAN_CIPHER_SUITE_TKIP:
+                key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+                /* fall through */
+        case WLAN_CIPHER_SUITE_CCMP:
+                key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+                break;
+        default:
+                break;
+        }
+
         /*
          * We could program these keys into the hardware as well, but we
          * don't expect much multicast traffic in IBSS and having keys
@@ -2599,21 +2610,9 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
 
         /* Configure HT40 channels */
         ctx->ht.enabled = conf_is_ht(conf);
-        if (ctx->ht.enabled) {
-                if (conf_is_ht40_minus(conf)) {
-                        ctx->ht.extension_chan_offset =
-                                IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-                        ctx->ht.is_40mhz = true;
-                } else if (conf_is_ht40_plus(conf)) {
-                        ctx->ht.extension_chan_offset =
-                                IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-                        ctx->ht.is_40mhz = true;
-                } else {
-                        ctx->ht.extension_chan_offset =
-                                IEEE80211_HT_PARAM_CHA_SEC_NONE;
-                        ctx->ht.is_40mhz = false;
-                }
-        } else
+        if (ctx->ht.enabled)
+                iwlagn_config_ht40(conf, ctx);
+        else
                 ctx->ht.is_40mhz = false;
 
         if ((le16_to_cpu(ctx->staging.channel) != ch))
@@ -3499,9 +3498,10 @@ MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
 module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
 MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
 
-module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO);
+module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO);
 MODULE_PARM_DESC(wd_disable,
-                "Disable stuck queue watchdog timer (default: 0 [enabled])");
+                "Disable stuck queue watchdog timer 0=system default, "
+                "1=disable, 2=enable (default: 0)");
 
 /*
  * set bt_coex_active to true, uCode will do kill/defer
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 5b936ec1a541..3856abaea507 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -86,6 +86,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
                              struct ieee80211_vif *vif,
                              struct ieee80211_bss_conf *bss_conf,
                              u32 changes);
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+                        struct iwl_rxon_context *ctx);
 
 /* uCode */
 int iwlagn_rx_calib_result(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 001fdf140abb..fcf54160e4ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1810,11 +1810,23 @@ void iwl_setup_watchdog(struct iwl_priv *priv)
 {
         unsigned int timeout = priv->cfg->base_params->wd_timeout;
 
-        if (timeout && !iwlagn_mod_params.wd_disable)
-                mod_timer(&priv->watchdog,
-                          jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout)));
-        else
-                del_timer(&priv->watchdog);
+        if (!iwlagn_mod_params.wd_disable) {
+                /* use system default */
+                if (timeout && !priv->cfg->base_params->wd_disable)
+                        mod_timer(&priv->watchdog,
+                                jiffies +
+                                msecs_to_jiffies(IWL_WD_TICK(timeout)));
+                else
+                        del_timer(&priv->watchdog);
+        } else {
+                /* module parameter overwrite default configuration */
+                if (timeout && iwlagn_mod_params.wd_disable == 2)
+                        mod_timer(&priv->watchdog,
+                                jiffies +
+                                msecs_to_jiffies(IWL_WD_TICK(timeout)));
+                else
+                        del_timer(&priv->watchdog);
+        }
 }
 
 /**
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 137da3380704..f2fc288f3dd3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -113,6 +113,7 @@ struct iwl_lib_ops {
  * @shadow_reg_enable: HW shadhow register bit
  * @no_idle_support: do not support idle mode
  * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
+ * wd_disable: disable watchdog timer
  */
 struct iwl_base_params {
         int eeprom_size;
@@ -134,6 +135,7 @@ struct iwl_base_params {
         const bool shadow_reg_enable;
         const bool no_idle_support;
         const bool hd_v2;
+        const bool wd_disable;
 };
 /*
  * @advanced_bt_coexist: support advanced bt coexist
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 1f7a93c67c45..14eaf37ce3b1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -120,7 +120,7 @@ extern struct iwl_mod_params iwlagn_mod_params;
  * @restart_fw: restart firmware, default = 1
  * @plcp_check: enable plcp health check, default = true
  * @ack_check: disable ack health check, default = false
- * @wd_disable: enable stuck queue check, default = false
+ * @wd_disable: enable stuck queue check, default = 0
  * @bt_coex_active: enable bt coex, default = true
  * @led_mode: system default, default = 0
  * @no_sleep_autoadjust: disable autoadjust, default = true
@@ -141,7 +141,7 @@ struct iwl_mod_params {
         int restart_fw;
         bool plcp_check;
         bool ack_check;
-        bool wd_disable;
+        int  wd_disable;
         bool bt_coex_active;
         int led_mode;
         bool no_sleep_autoadjust;
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index d999bf3b84e1..cae443563ec9 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -757,6 +757,12 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
         if (!local->int_scan_req)
                 return -ENOMEM;
 
+        for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+                if (!local->hw.wiphy->bands[band])
+                        continue;
+                local->int_scan_req->rates[band] = (u32) -1;
+        }
+
         /* if low-level driver supports AP, we also support VLAN */
         if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {
                 hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index eca0fad09709..d5230ecc784d 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1039,7 +1039,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                                              struct ieee80211_sub_if_data,
                                              u.ap);
 
-                        memset(&sta->sta.drv_priv, 0, hw->sta_data_size);
                         WARN_ON(drv_sta_add(local, sdata, &sta->sta));
                 }
         }
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 77e926738014..3302c56f60d1 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -57,8 +57,17 @@
 #define REG_DBG_PRINT(args...)
 #endif
 
+static struct regulatory_request core_request_world = {
+        .initiator = NL80211_REGDOM_SET_BY_CORE,
+        .alpha2[0] = '0',
+        .alpha2[1] = '0',
+        .intersect = false,
+        .processed = true,
+        .country_ie_env = ENVIRON_ANY,
+};
+
 /* Receipt of information from last regulatory request */
-static struct regulatory_request *last_request;
+static struct regulatory_request *last_request = &core_request_world;
 
 /* To trigger userspace events */
 static struct platform_device *reg_pdev;
@@ -150,7 +159,7 @@ static char user_alpha2[2];
 module_param(ieee80211_regdom, charp, 0444);
 MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
 
-static void reset_regdomains(void)
+static void reset_regdomains(bool full_reset)
 {
         /* avoid freeing static information or freeing something twice */
         if (cfg80211_regdomain == cfg80211_world_regdom)
@@ -165,6 +174,13 @@ static void reset_regdomains(void)
 
         cfg80211_world_regdom = &world_regdom;
         cfg80211_regdomain = NULL;
+
+        if (!full_reset)
+                return;
+
+        if (last_request != &core_request_world)
+                kfree(last_request);
+        last_request = &core_request_world;
 }
 
 /*
@@ -175,7 +191,7 @@ static void update_world_regdomain(const struct ieee80211_regdomain *rd)
 {
         BUG_ON(!last_request);
 
-        reset_regdomains();
+        reset_regdomains(false);
 
         cfg80211_world_regdom = rd;
         cfg80211_regdomain = rd;
@@ -1407,7 +1423,8 @@ static int __regulatory_hint(struct wiphy *wiphy,
         }
 
 new_request:
-        kfree(last_request);
+        if (last_request != &core_request_world)
+                kfree(last_request);
 
         last_request = pending_request;
         last_request->intersect = intersect;
@@ -1577,9 +1594,6 @@ static int regulatory_hint_core(const char *alpha2)
 {
         struct regulatory_request *request;
 
-        kfree(last_request);
-        last_request = NULL;
-
         request = kzalloc(sizeof(struct regulatory_request),
                           GFP_KERNEL);
         if (!request)
@@ -1777,7 +1791,7 @@ static void restore_regulatory_settings(bool reset_user)
         mutex_lock(&cfg80211_mutex);
         mutex_lock(&reg_mutex);
 
-        reset_regdomains();
+        reset_regdomains(true);
         restore_alpha2(alpha2, reset_user);
 
         /*
@@ -2037,8 +2051,10 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
         }
 
         request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx);
-        if (!request_wiphy) {
-                reg_set_request_processed();
+        if (!request_wiphy &&
+            (last_request->initiator == NL80211_REGDOM_SET_BY_DRIVER ||
+             last_request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)) {
+                schedule_delayed_work(&reg_timeout, 0);
                 return -ENODEV;
         }
 
@@ -2046,7 +2062,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
                 int r;
 
                 if (last_request->initiator != NL80211_REGDOM_SET_BY_DRIVER) {
-                        reset_regdomains();
+                        reset_regdomains(false);
                         cfg80211_regdomain = rd;
                         return 0;
                 }
@@ -2067,7 +2083,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
                 if (r)
                         return r;
 
-                reset_regdomains();
+                reset_regdomains(false);
                 cfg80211_regdomain = rd;
                 return 0;
         }
@@ -2092,7 +2108,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
 
                 rd = NULL;
 
-                reset_regdomains();
+                reset_regdomains(false);
                 cfg80211_regdomain = intersected_rd;
 
                 return 0;
@@ -2112,7 +2128,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
         kfree(rd);
         rd = NULL;
 
-        reset_regdomains();
+        reset_regdomains(false);
         cfg80211_regdomain = intersected_rd;
 
         return 0;
@@ -2265,11 +2281,8 @@ void /* __init_or_exit */ regulatory_exit(void)
         mutex_lock(&cfg80211_mutex);
         mutex_lock(&reg_mutex);
 
-        reset_regdomains();
-
-        kfree(last_request);
+        reset_regdomains(true);
 
-        last_request = NULL;
         dev_set_uevent_suppress(&reg_pdev->dev, true);
 
         platform_device_unregister(reg_pdev);