Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
authorJohn W. Linville <linville@tuxdriver.com>
Fri, 7 Feb 2014 18:44:14 +0000 (13:44 -0500)
committerJohn W. Linville <linville@tuxdriver.com>
Fri, 7 Feb 2014 18:44:14 +0000 (13:44 -0500)
30 files changed:
drivers/net/wireless/ath/ar5523/ar5523.c
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
drivers/net/wireless/ath/ath9k/htc.h
drivers/net/wireless/ath/ath9k/htc_drv_init.c
drivers/net/wireless/ath/ath9k/htc_drv_main.c
drivers/net/wireless/ath/ath9k/hw.c
drivers/net/wireless/ath/ath9k/init.c
drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
drivers/net/wireless/iwlwifi/mvm/mac80211.c
drivers/net/wireless/iwlwifi/mvm/scan.c
drivers/net/wireless/iwlwifi/mvm/sta.c
drivers/net/wireless/iwlwifi/mvm/tx.c
drivers/net/wireless/iwlwifi/mvm/utils.c
drivers/net/wireless/iwlwifi/pcie/drv.c
drivers/net/wireless/rt2x00/rt2500pci.c
drivers/net/wireless/rt2x00/rt2500usb.c
drivers/net/wireless/rt2x00/rt2800lib.c
drivers/net/wireless/rtl818x/rtl8180/dev.c
net/mac80211/cfg.c
net/mac80211/ht.c
net/mac80211/ibss.c
net/mac80211/iface.c
net/mac80211/tx.c
net/wireless/core.c
net/wireless/core.h
net/wireless/nl80211.c
net/wireless/nl80211.h
net/wireless/scan.c
net/wireless/sme.c

index 8aa20df..507d9a9 100644 (file)
@@ -1764,7 +1764,7 @@ static struct usb_device_id ar5523_id_table[] = {
        AR5523_DEVICE_UG(0x07d1, 0x3a07),       /* D-Link / WUA-2340 rev A1 */
        AR5523_DEVICE_UG(0x1690, 0x0712),       /* Gigaset / AR5523 */
        AR5523_DEVICE_UG(0x1690, 0x0710),       /* Gigaset / SMCWUSBTG */
-       AR5523_DEVICE_UG(0x129b, 0x160c),       /* Gigaset / USB stick 108
+       AR5523_DEVICE_UG(0x129b, 0x160b),       /* Gigaset / USB stick 108
                                                   (CyberTAN Technology) */
        AR5523_DEVICE_UG(0x16ab, 0x7801),       /* Globalsun / AR5523_1 */
        AR5523_DEVICE_UX(0x16ab, 0x7811),       /* Globalsun / AR5523_2 */
index 25243cb..b8daff7 100644 (file)
@@ -5065,6 +5065,10 @@ static u16 ar9003_hw_get_max_edge_power(struct ar9300_eeprom *eep,
                        break;
                }
        }
+
+       if (is2GHz && !twiceMaxEdgePower)
+               twiceMaxEdgePower = 60;
+
        return twiceMaxEdgePower;
 }
 
index 58da346..99a2031 100644 (file)
@@ -262,6 +262,8 @@ enum tid_aggr_state {
 struct ath9k_htc_sta {
        u8 index;
        enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
+       struct work_struct rc_update_work;
+       struct ath9k_htc_priv *htc_priv;
 };
 
 #define ATH9K_HTC_RXBUF 256
index f4e1de2..c57d6b8 100644 (file)
@@ -34,6 +34,10 @@ static int ath9k_htc_btcoex_enable;
 module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444);
 MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
 
+static int ath9k_ps_enable;
+module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
+MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
+
 #define CHAN2G(_freq, _idx)  { \
        .center_freq = (_freq), \
        .hw_value = (_idx), \
@@ -725,12 +729,14 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
                IEEE80211_HW_SPECTRUM_MGMT |
                IEEE80211_HW_HAS_RATE_CONTROL |
                IEEE80211_HW_RX_INCLUDES_FCS |
-               IEEE80211_HW_SUPPORTS_PS |
                IEEE80211_HW_PS_NULLFUNC_STACK |
                IEEE80211_HW_REPORTS_TX_ACK_STATUS |
                IEEE80211_HW_MFP_CAPABLE |
                IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
 
+       if (ath9k_ps_enable)
+               hw->flags |= IEEE80211_HW_SUPPORTS_PS;
+
        hw->wiphy->interface_modes =
                BIT(NL80211_IFTYPE_STATION) |
                BIT(NL80211_IFTYPE_ADHOC) |
index 608d739..c9254a6 100644 (file)
@@ -1270,18 +1270,50 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
        mutex_unlock(&priv->mutex);
 }
 
+static void ath9k_htc_sta_rc_update_work(struct work_struct *work)
+{
+       struct ath9k_htc_sta *ista =
+           container_of(work, struct ath9k_htc_sta, rc_update_work);
+       struct ieee80211_sta *sta =
+           container_of((void *)ista, struct ieee80211_sta, drv_priv);
+       struct ath9k_htc_priv *priv = ista->htc_priv;
+       struct ath_common *common = ath9k_hw_common(priv->ah);
+       struct ath9k_htc_target_rate trate;
+
+       mutex_lock(&priv->mutex);
+       ath9k_htc_ps_wakeup(priv);
+
+       memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
+       ath9k_htc_setup_rate(priv, sta, &trate);
+       if (!ath9k_htc_send_rate_cmd(priv, &trate))
+               ath_dbg(common, CONFIG,
+                       "Supported rates for sta: %pM updated, rate caps: 0x%X\n",
+                       sta->addr, be32_to_cpu(trate.capflags));
+       else
+               ath_dbg(common, CONFIG,
+                       "Unable to update supported rates for sta: %pM\n",
+                       sta->addr);
+
+       ath9k_htc_ps_restore(priv);
+       mutex_unlock(&priv->mutex);
+}
+
 static int ath9k_htc_sta_add(struct ieee80211_hw *hw,
                             struct ieee80211_vif *vif,
                             struct ieee80211_sta *sta)
 {
        struct ath9k_htc_priv *priv = hw->priv;
+       struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
        int ret;
 
        mutex_lock(&priv->mutex);
        ath9k_htc_ps_wakeup(priv);
        ret = ath9k_htc_add_station(priv, vif, sta);
-       if (!ret)
+       if (!ret) {
+               INIT_WORK(&ista->rc_update_work, ath9k_htc_sta_rc_update_work);
+               ista->htc_priv = priv;
                ath9k_htc_init_rate(priv, sta);
+       }
        ath9k_htc_ps_restore(priv);
        mutex_unlock(&priv->mutex);
 
@@ -1293,12 +1325,13 @@ static int ath9k_htc_sta_remove(struct ieee80211_hw *hw,
                                struct ieee80211_sta *sta)
 {
        struct ath9k_htc_priv *priv = hw->priv;
-       struct ath9k_htc_sta *ista;
+       struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
        int ret;
 
+       cancel_work_sync(&ista->rc_update_work);
+
        mutex_lock(&priv->mutex);
        ath9k_htc_ps_wakeup(priv);
-       ista = (struct ath9k_htc_sta *) sta->drv_priv;
        htc_sta_drain(priv->htc, ista->index);
        ret = ath9k_htc_remove_station(priv, vif, sta);
        ath9k_htc_ps_restore(priv);
@@ -1311,28 +1344,12 @@ static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw,
                                    struct ieee80211_vif *vif,
                                    struct ieee80211_sta *sta, u32 changed)
 {
-       struct ath9k_htc_priv *priv = hw->priv;
-       struct ath_common *common = ath9k_hw_common(priv->ah);
-       struct ath9k_htc_target_rate trate;
-
-       mutex_lock(&priv->mutex);
-       ath9k_htc_ps_wakeup(priv);
+       struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
 
-       if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {
-               memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
-               ath9k_htc_setup_rate(priv, sta, &trate);
-               if (!ath9k_htc_send_rate_cmd(priv, &trate))
-                       ath_dbg(common, CONFIG,
-                               "Supported rates for sta: %pM updated, rate caps: 0x%X\n",
-                               sta->addr, be32_to_cpu(trate.capflags));
-               else
-                       ath_dbg(common, CONFIG,
-                               "Unable to update supported rates for sta: %pM\n",
-                               sta->addr);
-       }
+       if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED))
+               return;
 
-       ath9k_htc_ps_restore(priv);
-       mutex_unlock(&priv->mutex);
+       schedule_work(&ista->rc_update_work);
 }
 
 static int ath9k_htc_conf_tx(struct ieee80211_hw *hw,
index fbf43c0..11eab9f 100644 (file)
@@ -1316,7 +1316,7 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
        if (AR_SREV_9300_20_OR_LATER(ah))
                udelay(50);
        else if (AR_SREV_9100(ah))
-               udelay(10000);
+               mdelay(10);
        else
                udelay(100);
 
@@ -2051,9 +2051,8 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah)
 
        REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
                    AR_RTC_FORCE_WAKE_EN);
-
        if (AR_SREV_9100(ah))
-               udelay(10000);
+               mdelay(10);
        else
                udelay(50);
 
index c36de30..1fc2e5a 100644 (file)
@@ -57,6 +57,10 @@ static int ath9k_bt_ant_diversity;
 module_param_named(bt_ant_diversity, ath9k_bt_ant_diversity, int, 0444);
 MODULE_PARM_DESC(bt_ant_diversity, "Enable WLAN/BT RX antenna diversity");
 
+static int ath9k_ps_enable;
+module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
+MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
+
 bool is_ath9k_unloaded;
 /* We use the hw_value as an index into our private channel structure */
 
@@ -903,13 +907,15 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
        hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
                IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
                IEEE80211_HW_SIGNAL_DBM |
-               IEEE80211_HW_SUPPORTS_PS |
                IEEE80211_HW_PS_NULLFUNC_STACK |
                IEEE80211_HW_SPECTRUM_MGMT |
                IEEE80211_HW_REPORTS_TX_ACK_STATUS |
                IEEE80211_HW_SUPPORTS_RC_TABLE |
                IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
 
+       if (ath9k_ps_enable)
+               hw->flags |= IEEE80211_HW_SUPPORTS_PS;
+
        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
                hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
 
index f06f4cb..725e954 100644 (file)
@@ -182,6 +182,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
 
        for (ch_idx = 0; ch_idx < IWL_NUM_CHANNELS; ch_idx++) {
                ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx);
+
+               if (ch_idx >= NUM_2GHZ_CHANNELS &&
+                   !data->sku_cap_band_52GHz_enable)
+                       ch_flags &= ~NVM_CHANNEL_VALID;
+
                if (!(ch_flags & NVM_CHANNEL_VALID)) {
                        IWL_DEBUG_EEPROM(dev,
                                         "Ch. %d Flags %x [%sGHz] - No traffic\n",
index 73cbba7..9426905 100644 (file)
@@ -504,6 +504,7 @@ struct iwl_scan_offload_profile {
  * @match_notify:      clients waiting for match found notification
  * @pass_match:                clients waiting for the results
  * @active_clients:    active clients bitmap - enum scan_framework_client
+ * @any_beacon_notify: clients waiting for match notification without match
  */
 struct iwl_scan_offload_profile_cfg {
        struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES];
@@ -512,7 +513,8 @@ struct iwl_scan_offload_profile_cfg {
        u8 match_notify;
        u8 pass_match;
        u8 active_clients;
-       u8 reserved[3];
+       u8 any_beacon_notify;
+       u8 reserved[2];
 } __packed;
 
 /**
index c49b507..6bf9766 100644 (file)
@@ -246,7 +246,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
        else
                hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
-       if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) {
+       if (0 && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) {
                hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
                hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
                hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
index 0e00079..742afc4 100644 (file)
@@ -344,7 +344,8 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 
        iwl_mvm_scan_fill_ssids(cmd, req, basic_ssid ? 1 : 0);
 
-       cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL);
+       cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL |
+                                          TX_CMD_FLG_BT_DIS);
        cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id;
        cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
        cmd->tx_cmd.rate_n_flags =
@@ -807,6 +808,8 @@ int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
        profile_cfg->active_clients = SCAN_CLIENT_SCHED_SCAN;
        profile_cfg->pass_match = SCAN_CLIENT_SCHED_SCAN;
        profile_cfg->match_notify = SCAN_CLIENT_SCHED_SCAN;
+       if (!req->n_match_sets || !req->match_sets[0].ssid.ssid_len)
+               profile_cfg->any_beacon_notify = SCAN_CLIENT_SCHED_SCAN;
 
        for (i = 0; i < req->n_match_sets; i++) {
                profile = &profile_cfg->profiles[i];
index ec18121..3397f59 100644 (file)
@@ -652,7 +652,7 @@ int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 {
        struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
        static const u8 _baddr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
-       static const u8 *baddr = _baddr;
+       const u8 *baddr = _baddr;
 
        lockdep_assert_held(&mvm->mutex);
 
index 90378c2..4df12fa 100644 (file)
@@ -659,8 +659,14 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
        rcu_read_lock();
 
        sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
+       /*
+        * sta can't be NULL otherwise it'd mean that the sta has been freed in
+        * the firmware while we still have packets for it in the Tx queues.
+        */
+       if (WARN_ON_ONCE(!sta))
+               goto out;
 
-       if (!IS_ERR_OR_NULL(sta)) {
+       if (!IS_ERR(sta)) {
                mvmsta = iwl_mvm_sta_from_mac80211(sta);
 
                if (tid != IWL_TID_NON_QOS) {
@@ -675,7 +681,6 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
                        spin_unlock_bh(&mvmsta->lock);
                }
        } else {
-               sta = NULL;
                mvmsta = NULL;
        }
 
@@ -683,42 +688,38 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
         * If the txq is not an AMPDU queue, there is no chance we freed
         * several skbs. Check that out...
         */
-       if (txq_id < mvm->first_agg_queue && !WARN_ON(skb_freed > 1) &&
-           atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) {
-               if (mvmsta) {
-                       /*
-                        * If there are no pending frames for this STA, notify
-                        * mac80211 that this station can go to sleep in its
-                        * STA table.
-                        */
-                       if (mvmsta->vif->type == NL80211_IFTYPE_AP)
-                               ieee80211_sta_block_awake(mvm->hw, sta, false);
-                       /*
-                        * We might very well have taken mvmsta pointer while
-                        * the station was being removed. The remove flow might
-                        * have seen a pending_frame (because we didn't take
-                        * the lock) even if now the queues are drained. So make
-                        * really sure now that this the station is not being
-                        * removed. If it is, run the drain worker to remove it.
-                        */
-                       spin_lock_bh(&mvmsta->lock);
-                       sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
-                       if (!sta || PTR_ERR(sta) == -EBUSY) {
-                               /*
-                                * Station disappeared in the meantime:
-                                * so we are draining.
-                                */
-                               set_bit(sta_id, mvm->sta_drained);
-                               schedule_work(&mvm->sta_drained_wk);
-                       }
-                       spin_unlock_bh(&mvmsta->lock);
-               } else if (!mvmsta && PTR_ERR(sta) == -EBUSY) {
-                       /* Tx response without STA, so we are draining */
-                       set_bit(sta_id, mvm->sta_drained);
-                       schedule_work(&mvm->sta_drained_wk);
-               }
+       if (txq_id >= mvm->first_agg_queue)
+               goto out;
+
+       /* We can't free more than one frame at once on a shared queue */
+       WARN_ON(skb_freed > 1);
+
+       /* If we have still frames from this STA nothing to do here */
+       if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id]))
+               goto out;
+
+       if (mvmsta && mvmsta->vif->type == NL80211_IFTYPE_AP) {
+               /*
+                * If there are no pending frames for this STA, notify
+                * mac80211 that this station can go to sleep in its
+                * STA table.
+                * If mvmsta is not NULL, sta is valid.
+                */
+               ieee80211_sta_block_awake(mvm->hw, sta, false);
+       }
+
+       if (PTR_ERR(sta) == -EBUSY || PTR_ERR(sta) == -ENOENT) {
+               /*
+                * We are draining and this was the last packet - pre_rcu_remove
+                * has been called already. We might be after the
+                * synchronize_net already.
+                * Don't rely on iwl_mvm_rm_sta to see the empty Tx queues.
+                */
+               set_bit(sta_id, mvm->sta_drained);
+               schedule_work(&mvm->sta_drained_wk);
        }
 
+out:
        rcu_read_unlock();
 }
 
index a4a5e25..86989df 100644 (file)
@@ -411,6 +411,8 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
                        mvm->status, table.valid);
        }
 
+       IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version);
+
        trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
                                      table.data1, table.data2, table.data3,
                                      table.blink1, table.blink2, table.ilink1,
index 3040924..f47bcbe 100644 (file)
@@ -359,20 +359,25 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
 /* 7265 Series */
        {IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x5110, iwl7265_2ac_cfg)},
+       {IWL_PCI_DEVICE(0x095A, 0x5112, iwl7265_2ac_cfg)},
+       {IWL_PCI_DEVICE(0x095A, 0x5100, iwl7265_2ac_cfg)},
+       {IWL_PCI_DEVICE(0x095A, 0x510A, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095B, 0x5310, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095B, 0x5210, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)},
-       {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x5000, iwl7265_2n_cfg)},
+       {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2n_cfg)},
        {IWL_PCI_DEVICE(0x095B, 0x5200, iwl7265_2n_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x5002, iwl7265_n_cfg)},
        {IWL_PCI_DEVICE(0x095B, 0x5202, iwl7265_n_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x9010, iwl7265_2ac_cfg)},
+       {IWL_PCI_DEVICE(0x095A, 0x9012, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)},
+       {IWL_PCI_DEVICE(0x095A, 0x9112, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)},
        {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)},
index abc5f56..2f1cd92 100644 (file)
@@ -1876,6 +1876,11 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
                                rt2x00_eeprom_addr(rt2x00dev,
                                                   EEPROM_MAC_ADDR_0));
 
+       /*
+        * Disable powersaving as default.
+        */
+       rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
        /*
         * Initialize hw_mode information.
         */
index 9f16824..d849d59 100644 (file)
@@ -1706,6 +1706,11 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
            IEEE80211_HW_SUPPORTS_PS |
            IEEE80211_HW_PS_NULLFUNC_STACK;
 
+       /*
+        * Disable powersaving as default.
+        */
+       rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
        SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
        SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
                                rt2x00_eeprom_addr(rt2x00dev,
index b8f5b06..7f8b5d1 100644 (file)
@@ -7458,10 +7458,9 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
        u32 reg;
 
        /*
-        * Disable powersaving as default on PCI devices.
+        * Disable powersaving as default.
         */
-       if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
-               rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+       rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
        /*
         * Initialize all hw fields.
index 8ec17aa..3867d14 100644 (file)
@@ -107,6 +107,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
        struct rtl8180_priv *priv = dev->priv;
        unsigned int count = 32;
        u8 signal, agc, sq;
+       dma_addr_t mapping;
 
        while (count--) {
                struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx];
@@ -128,6 +129,17 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
                        if (unlikely(!new_skb))
                                goto done;
 
+                       mapping = pci_map_single(priv->pdev,
+                                              skb_tail_pointer(new_skb),
+                                              MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+
+                       if (pci_dma_mapping_error(priv->pdev, mapping)) {
+                               kfree_skb(new_skb);
+                               dev_err(&priv->pdev->dev, "RX DMA map error\n");
+
+                               goto done;
+                       }
+
                        pci_unmap_single(priv->pdev,
                                         *((dma_addr_t *)skb->cb),
                                         MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
@@ -158,9 +170,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
 
                        skb = new_skb;
                        priv->rx_buf[priv->rx_idx] = skb;
-                       *((dma_addr_t *) skb->cb) =
-                               pci_map_single(priv->pdev, skb_tail_pointer(skb),
-                                              MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+                       *((dma_addr_t *) skb->cb) = mapping;
                }
 
        done:
@@ -266,6 +276,13 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
        mapping = pci_map_single(priv->pdev, skb->data,
                                 skb->len, PCI_DMA_TODEVICE);
 
+       if (pci_dma_mapping_error(priv->pdev, mapping)) {
+               kfree_skb(skb);
+               dev_err(&priv->pdev->dev, "TX DMA mapping error\n");
+               return;
+
+       }
+
        tx_flags = RTL818X_TX_DESC_FLAG_OWN | RTL818X_TX_DESC_FLAG_FS |
                   RTL818X_TX_DESC_FLAG_LS |
                   (ieee80211_get_tx_rate(dev, info)->hw_value << 24) |
index f9ae9b8..453e974 100644 (file)
@@ -1021,8 +1021,10 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
                                        IEEE80211_P2P_OPPPS_ENABLE_BIT;
 
        err = ieee80211_assign_beacon(sdata, &params->beacon);
-       if (err < 0)
+       if (err < 0) {
+               ieee80211_vif_release_channel(sdata);
                return err;
+       }
        changed |= err;
 
        err = drv_start_ap(sdata->local, sdata);
@@ -1032,6 +1034,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
                if (old)
                        kfree_rcu(old, rcu_head);
                RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
+               ieee80211_vif_release_channel(sdata);
                return err;
        }
 
@@ -1090,8 +1093,6 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
        kfree(sdata->u.ap.next_beacon);
        sdata->u.ap.next_beacon = NULL;
 
-       cancel_work_sync(&sdata->u.ap.request_smps_work);
-
        /* turn off carrier for this interface and dependent VLANs */
        list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
                netif_carrier_off(vlan->dev);
@@ -1103,6 +1104,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
        kfree_rcu(old_beacon, rcu_head);
        if (old_probe_resp)
                kfree_rcu(old_probe_resp, rcu_head);
+       sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
 
        __sta_info_flush(sdata, true);
        ieee80211_free_keys(sdata, true);
@@ -2638,6 +2640,24 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
        INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
        INIT_LIST_HEAD(&roc->dependents);
 
+       /*
+        * cookie is either the roc cookie (for normal roc)
+        * or the SKB (for mgmt TX)
+        */
+       if (!txskb) {
+               /* local->mtx protects this */
+               local->roc_cookie_counter++;
+               roc->cookie = local->roc_cookie_counter;
+               /* wow, you wrapped 64 bits ... more likely a bug */
+               if (WARN_ON(roc->cookie == 0)) {
+                       roc->cookie = 1;
+                       local->roc_cookie_counter++;
+               }
+               *cookie = roc->cookie;
+       } else {
+               *cookie = (unsigned long)txskb;
+       }
+
        /* if there's one pending or we're scanning, queue this one */
        if (!list_empty(&local->roc_list) ||
            local->scanning || local->radar_detect_enabled)
@@ -2772,24 +2792,6 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
        if (!queued)
                list_add_tail(&roc->list, &local->roc_list);
 
-       /*
-        * cookie is either the roc cookie (for normal roc)
-        * or the SKB (for mgmt TX)
-        */
-       if (!txskb) {
-               /* local->mtx protects this */
-               local->roc_cookie_counter++;
-               roc->cookie = local->roc_cookie_counter;
-               /* wow, you wrapped 64 bits ... more likely a bug */
-               if (WARN_ON(roc->cookie == 0)) {
-                       roc->cookie = 1;
-                       local->roc_cookie_counter++;
-               }
-               *cookie = roc->cookie;
-       } else {
-               *cookie = (unsigned long)txskb;
-       }
-
        return 0;
 }
 
index fab7b91..70dd013 100644 (file)
@@ -466,7 +466,9 @@ void ieee80211_request_smps_ap_work(struct work_struct *work)
                             u.ap.request_smps_work);
 
        sdata_lock(sdata);
-       __ieee80211_request_smps_ap(sdata, sdata->u.ap.driver_smps_mode);
+       if (sdata_dereference(sdata->u.ap.beacon, sdata))
+               __ieee80211_request_smps_ap(sdata,
+                                           sdata->u.ap.driver_smps_mode);
        sdata_unlock(sdata);
 }
 
index 771080e..2796a19 100644 (file)
@@ -695,12 +695,9 @@ static void ieee80211_ibss_disconnect(struct ieee80211_sub_if_data *sdata)
        struct cfg80211_bss *cbss;
        struct beacon_data *presp;
        struct sta_info *sta;
-       int active_ibss;
        u16 capability;
 
-       active_ibss = ieee80211_sta_active_ibss(sdata);
-
-       if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) {
+       if (!is_zero_ether_addr(ifibss->bssid)) {
                capability = WLAN_CAPABILITY_IBSS;
 
                if (ifibss->privacy)
index 3dfd20a..d6d1f1d 100644 (file)
@@ -418,20 +418,24 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
                return ret;
        }
 
+       mutex_lock(&local->iflist_mtx);
+       rcu_assign_pointer(local->monitor_sdata, sdata);
+       mutex_unlock(&local->iflist_mtx);
+
        mutex_lock(&local->mtx);
        ret = ieee80211_vif_use_channel(sdata, &local->monitor_chandef,
                                        IEEE80211_CHANCTX_EXCLUSIVE);
        mutex_unlock(&local->mtx);
        if (ret) {
+               mutex_lock(&local->iflist_mtx);
+               rcu_assign_pointer(local->monitor_sdata, NULL);
+               mutex_unlock(&local->iflist_mtx);
+               synchronize_net();
                drv_remove_interface(local, sdata);
                kfree(sdata);
                return ret;
        }
 
-       mutex_lock(&local->iflist_mtx);
-       rcu_assign_pointer(local->monitor_sdata, sdata);
-       mutex_unlock(&local->iflist_mtx);
-
        return 0;
 }
 
@@ -770,12 +774,19 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 
        ieee80211_roc_purge(local, sdata);
 
-       if (sdata->vif.type == NL80211_IFTYPE_STATION)
+       switch (sdata->vif.type) {
+       case NL80211_IFTYPE_STATION:
                ieee80211_mgd_stop(sdata);
-
-       if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+               break;
+       case NL80211_IFTYPE_ADHOC:
                ieee80211_ibss_stop(sdata);
-
+               break;
+       case NL80211_IFTYPE_AP:
+               cancel_work_sync(&sdata->u.ap.request_smps_work);
+               break;
+       default:
+               break;
+       }
 
        /*
         * Remove all stations associated with this interface.
index 27c990b..97a02d3 100644 (file)
@@ -878,7 +878,7 @@ static int ieee80211_fragment(struct ieee80211_tx_data *tx,
        }
 
        /* adjust first fragment's length */
-       skb->len = hdrlen + per_fragm;
+       skb_trim(skb, hdrlen + per_fragm);
        return 0;
 }
 
index d89dee2..010892b 100644 (file)
@@ -203,8 +203,11 @@ void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
 
        rdev->opencount--;
 
-       WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev &&
-               !rdev->scan_req->notified);
+       if (rdev->scan_req && rdev->scan_req->wdev == wdev) {
+               if (WARN_ON(!rdev->scan_req->notified))
+                       rdev->scan_req->aborted = true;
+               ___cfg80211_scan_done(rdev, false);
+       }
 }
 
 static int cfg80211_rfkill_set_block(void *data, bool blocked)
@@ -440,9 +443,6 @@ int wiphy_register(struct wiphy *wiphy)
        int i;
        u16 ifmodes = wiphy->interface_modes;
 
-       /* support for 5/10 MHz is broken due to nl80211 API mess - disable */
-       wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_5_10_MHZ;
-
        /*
         * There are major locking problems in nl80211/mac80211 for CSA,
         * disable for all drivers until this has been reworked.
@@ -859,8 +859,11 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
                break;
        case NETDEV_DOWN:
                cfg80211_update_iface_num(rdev, wdev->iftype, -1);
-               WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev &&
-                       !rdev->scan_req->notified);
+               if (rdev->scan_req && rdev->scan_req->wdev == wdev) {
+                       if (WARN_ON(!rdev->scan_req->notified))
+                               rdev->scan_req->aborted = true;
+                       ___cfg80211_scan_done(rdev, false);
+               }
 
                if (WARN_ON(rdev->sched_scan_req &&
                            rdev->sched_scan_req->dev == wdev->netdev)) {
index 37ec16d..f1d193b 100644 (file)
@@ -62,6 +62,7 @@ struct cfg80211_registered_device {
        struct rb_root bss_tree;
        u32 bss_generation;
        struct cfg80211_scan_request *scan_req; /* protected by RTNL */
+       struct sk_buff *scan_msg;
        struct cfg80211_sched_scan_request *sched_scan_req;
        unsigned long suspend_at;
        struct work_struct scan_done_wk;
@@ -361,7 +362,8 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
                                   struct key_params *params, int key_idx,
                                   bool pairwise, const u8 *mac_addr);
 void __cfg80211_scan_done(struct work_struct *wk);
-void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev);
+void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
+                          bool send_message);
 void __cfg80211_sched_scan_results(struct work_struct *wk);
 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
                               bool driver_initiated);
index 7a74259..4fe2e6e 100644 (file)
@@ -1719,9 +1719,10 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
                                 * We can then retry with the larger buffer.
                                 */
                                if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
-                                   !skb->len &&
+                                   !skb->len && !state->split &&
                                    cb->min_dump_alloc < 4096) {
                                        cb->min_dump_alloc = 4096;
+                                       state->split_start = 0;
                                        rtnl_unlock();
                                        return 1;
                                }
@@ -5244,7 +5245,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
        if (!rdev->ops->scan)
                return -EOPNOTSUPP;
 
-       if (rdev->scan_req) {
+       if (rdev->scan_req || rdev->scan_msg) {
                err = -EBUSY;
                goto unlock;
        }
@@ -10011,40 +10012,31 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
                                NL80211_MCGRP_SCAN, GFP_KERNEL);
 }
 
-void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
-                           struct wireless_dev *wdev)
+struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
+                                      struct wireless_dev *wdev, bool aborted)
 {
        struct sk_buff *msg;
 
        msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
        if (!msg)
-               return;
+               return NULL;
 
        if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
-                                 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
+                                 aborted ? NL80211_CMD_SCAN_ABORTED :
+                                           NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
                nlmsg_free(msg);
-               return;
+               return NULL;
        }
 
-       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
-                               NL80211_MCGRP_SCAN, GFP_KERNEL);
+       return msg;
 }
 
-void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
-                              struct wireless_dev *wdev)
+void nl80211_send_scan_result(struct cfg80211_registered_device *rdev,
+                             struct sk_buff *msg)
 {
-       struct sk_buff *msg;
-
-       msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
        if (!msg)
                return;
 
-       if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
-                                 NL80211_CMD_SCAN_ABORTED) < 0) {
-               nlmsg_free(msg);
-               return;
-       }
-
        genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
                                NL80211_MCGRP_SCAN, GFP_KERNEL);
 }
index b1b2313..7579974 100644 (file)
@@ -8,10 +8,10 @@ void nl80211_exit(void);
 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev);
 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
                             struct wireless_dev *wdev);
-void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
-                           struct wireless_dev *wdev);
-void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
-                              struct wireless_dev *wdev);
+struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
+                                      struct wireless_dev *wdev, bool aborted);
+void nl80211_send_scan_result(struct cfg80211_registered_device *rdev,
+                             struct sk_buff *msg);
 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
                             struct net_device *netdev, u32 cmd);
 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
index b528e31..d1ed4ae 100644 (file)
@@ -161,18 +161,25 @@ static void __cfg80211_bss_expire(struct cfg80211_registered_device *dev,
                dev->bss_generation++;
 }
 
-void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev)
+void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
+                          bool send_message)
 {
        struct cfg80211_scan_request *request;
        struct wireless_dev *wdev;
+       struct sk_buff *msg;
 #ifdef CONFIG_CFG80211_WEXT
        union iwreq_data wrqu;
 #endif
 
        ASSERT_RTNL();
 
-       request = rdev->scan_req;
+       if (rdev->scan_msg) {
+               nl80211_send_scan_result(rdev, rdev->scan_msg);
+               rdev->scan_msg = NULL;
+               return;
+       }
 
+       request = rdev->scan_req;
        if (!request)
                return;
 
@@ -186,18 +193,16 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev)
        if (wdev->netdev)
                cfg80211_sme_scan_done(wdev->netdev);
 
-       if (request->aborted) {
-               nl80211_send_scan_aborted(rdev, wdev);
-       } else {
-               if (request->flags & NL80211_SCAN_FLAG_FLUSH) {
-                       /* flush entries from previous scans */
-                       spin_lock_bh(&rdev->bss_lock);
-                       __cfg80211_bss_expire(rdev, request->scan_start);
-                       spin_unlock_bh(&rdev->bss_lock);
-               }
-               nl80211_send_scan_done(rdev, wdev);
+       if (!request->aborted &&
+           request->flags & NL80211_SCAN_FLAG_FLUSH) {
+               /* flush entries from previous scans */
+               spin_lock_bh(&rdev->bss_lock);
+               __cfg80211_bss_expire(rdev, request->scan_start);
+               spin_unlock_bh(&rdev->bss_lock);
        }
 
+       msg = nl80211_build_scan_msg(rdev, wdev, request->aborted);
+
 #ifdef CONFIG_CFG80211_WEXT
        if (wdev->netdev && !request->aborted) {
                memset(&wrqu, 0, sizeof(wrqu));
@@ -211,6 +216,11 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev)
 
        rdev->scan_req = NULL;
        kfree(request);
+
+       if (!send_message)
+               rdev->scan_msg = msg;
+       else
+               nl80211_send_scan_result(rdev, msg);
 }
 
 void __cfg80211_scan_done(struct work_struct *wk)
@@ -221,7 +231,7 @@ void __cfg80211_scan_done(struct work_struct *wk)
                            scan_done_wk);
 
        rtnl_lock();
-       ___cfg80211_scan_done(rdev);
+       ___cfg80211_scan_done(rdev, true);
        rtnl_unlock();
 }
 
@@ -1079,7 +1089,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
        if (IS_ERR(rdev))
                return PTR_ERR(rdev);
 
-       if (rdev->scan_req) {
+       if (rdev->scan_req || rdev->scan_msg) {
                err = -EBUSY;
                goto out;
        }
@@ -1481,7 +1491,7 @@ int cfg80211_wext_giwscan(struct net_device *dev,
        if (IS_ERR(rdev))
                return PTR_ERR(rdev);
 
-       if (rdev->scan_req)
+       if (rdev->scan_req || rdev->scan_msg)
                return -EAGAIN;
 
        res = ieee80211_scan_results(rdev, info, extra, data->length);
index a635091..f04d4c3 100644 (file)
@@ -67,7 +67,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
        ASSERT_RDEV_LOCK(rdev);
        ASSERT_WDEV_LOCK(wdev);
 
-       if (rdev->scan_req)
+       if (rdev->scan_req || rdev->scan_msg)
                return -EBUSY;
 
        if (wdev->conn->params.channel)