mac80211: merge a fix for a race condition on station removal
[openwrt/svn-archive/archive.git] / package / mac80211 / patches / 300-pending_work.patch
index 64067f2d48311cbecdb3e01b4221583bd88f2c1a..72a0081c1603b3a01fc2034f2e5d1eb428b5ec82 100644 (file)
---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -326,7 +326,6 @@ static bool ar9003_hw_get_isr(struct ath
- static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
-                                struct ath_tx_status *ts)
- {
--      struct ar9003_txc *txc = (struct ar9003_txc *) ds;
-       struct ar9003_txs *ads;
-       u32 status;
-@@ -336,11 +335,7 @@ static int ar9003_hw_proc_txdesc(struct 
-       if ((status & AR_TxDone) == 0)
-               return -EINPROGRESS;
--      ts->qid = MS(ads->ds_info, AR_TxQcuNum);
--      if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
--              ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
--      else
--              return -ENOENT;
-+      ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
-       if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
-           (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
-@@ -354,6 +349,7 @@ static int ar9003_hw_proc_txdesc(struct 
-       ts->ts_seqnum = MS(status, AR_SeqNum);
-       ts->tid = MS(status, AR_TxTid);
-+      ts->qid = MS(ads->ds_info, AR_TxQcuNum);
-       ts->desc_id = MS(ads->status1, AR_TxDescId);
-       ts->ts_tstamp = ads->status4;
-       ts->ts_status = 0;
-@@ -440,20 +436,14 @@ int ath9k_hw_process_rxdesc_edma(struct 
-       struct ar9003_rxs *rxsp = (struct ar9003_rxs *) buf_addr;
-       unsigned int phyerr;
--      /* TODO: byte swap on big endian for ar9300_10 */
--
--      if (!rxs) {
--              if ((rxsp->status11 & AR_RxDone) == 0)
--                      return -EINPROGRESS;
--
--              if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
--                      return -EINVAL;
-+      if ((rxsp->status11 & AR_RxDone) == 0)
-+              return -EINPROGRESS;
--              if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
--                      return -EINPROGRESS;
-+      if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
-+              return -EINVAL;
--              return 0;
--      }
-+      if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
-+              return -EINPROGRESS;
-       rxs->rs_status = 0;
-       rxs->rs_flags =  0;
-@@ -510,7 +500,11 @@ int ath9k_hw_process_rxdesc_edma(struct 
-                */
-               if (rxsp->status11 & AR_CRCErr)
-                       rxs->rs_status |= ATH9K_RXERR_CRC;
--              else if (rxsp->status11 & AR_PHYErr) {
-+              else if (rxsp->status11 & AR_DecryptCRCErr)
-+                      rxs->rs_status |= ATH9K_RXERR_DECRYPT;
-+              else if (rxsp->status11 & AR_MichaelErr)
-+                      rxs->rs_status |= ATH9K_RXERR_MIC;
-+              if (rxsp->status11 & AR_PHYErr) {
-                       phyerr = MS(rxsp->status11, AR_PHYErrCode);
-                       /*
-                        * If we reach a point here where AR_PostDelimCRCErr is
-@@ -532,11 +526,7 @@ int ath9k_hw_process_rxdesc_edma(struct 
-                               rxs->rs_status |= ATH9K_RXERR_PHY;
-                               rxs->rs_phyerr = phyerr;
-                       }
--
--              } else if (rxsp->status11 & AR_DecryptCRCErr)
--                      rxs->rs_status |= ATH9K_RXERR_DECRYPT;
--              else if (rxsp->status11 & AR_MichaelErr)
--                      rxs->rs_status |= ATH9K_RXERR_MIC;
-+              };
-       }
+--- a/drivers/net/wireless/ath/ath9k/common.h
++++ b/drivers/net/wireless/ath/ath9k/common.h
+@@ -27,7 +27,7 @@
+ #define WME_MAX_BA              WME_BA_BMP_SIZE
+ #define ATH_TID_MAX_BUFS        (2 * WME_MAX_BA)
+-#define ATH_RSSI_DUMMY_MARKER   0x127
++#define ATH_RSSI_DUMMY_MARKER   127
+ #define ATH_RSSI_LPF_LEN              10
+ #define RSSI_LPF_THRESHOLD            -20
+ #define ATH_RSSI_EP_MULTIPLIER     (1<<7)
+--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
++++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+@@ -1067,15 +1067,19 @@ static bool ath9k_rx_prepare(struct ath9
+       last_rssi = priv->rx.last_rssi;
+-      if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
+-              rxbuf->rxstatus.rs_rssi = ATH_EP_RND(last_rssi,
+-                                                   ATH_RSSI_EP_MULTIPLIER);
++      if (ieee80211_is_beacon(hdr->frame_control) &&
++          !is_zero_ether_addr(common->curbssid) &&
++          ether_addr_equal(hdr->addr3, common->curbssid)) {
++              s8 rssi = rxbuf->rxstatus.rs_rssi;
+-      if (rxbuf->rxstatus.rs_rssi < 0)
+-              rxbuf->rxstatus.rs_rssi = 0;
++              if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
++                      rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER);
+-      if (ieee80211_is_beacon(fc))
+-              priv->ah->stats.avgbrssi = rxbuf->rxstatus.rs_rssi;
++              if (rssi < 0)
++                      rssi = 0;
++
++              priv->ah->stats.avgbrssi = rssi;
++      }
  
-       if (rxsp->status11 & AR_KeyMiss)
---- a/drivers/net/wireless/ath/carl9170/tx.c
-+++ b/drivers/net/wireless/ath/carl9170/tx.c
-@@ -1236,6 +1236,7 @@ static bool carl9170_tx_ps_drop(struct a
- {
-       struct ieee80211_sta *sta;
-       struct carl9170_sta_info *sta_info;
-+      struct ieee80211_tx_info *tx_info;
-       rcu_read_lock();
-       sta = __carl9170_get_tx_sta(ar, skb);
-@@ -1243,12 +1244,13 @@ static bool carl9170_tx_ps_drop(struct a
-               goto out_rcu;
-       sta_info = (void *) sta->drv_priv;
--      if (unlikely(sta_info->sleeping)) {
--              struct ieee80211_tx_info *tx_info;
-+      tx_info = IEEE80211_SKB_CB(skb);
-+      if (unlikely(sta_info->sleeping) &&
-+          !(tx_info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER |
-+                              IEEE80211_TX_CTL_CLEAR_PS_FILT))) {
-               rcu_read_unlock();
--              tx_info = IEEE80211_SKB_CB(skb);
-               if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
-                       atomic_dec(&ar->tx_ampdu_upload);
---- a/drivers/net/wireless/iwlegacy/4965-mac.c
-+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
-@@ -1694,7 +1694,7 @@ il4965_tx_skb(struct il_priv *il, struct
-               sta_priv = (void *)sta->drv_priv;
-       if (sta_priv && sta_priv->asleep &&
--          (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
-+          (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
-               /*
-                * This sends an asynchronous command to the device,
-                * but we can rely on it being processed before the
---- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
-+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
-@@ -322,7 +322,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
-               sta_priv = (void *)info->control.sta->drv_priv;
-       if (sta_priv && sta_priv->asleep &&
--          (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
-+          (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
-               /*
-                * This sends an asynchronous command to the device,
-                * but we can rely on it being processed before the
-@@ -331,6 +331,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
-                * counter.
-                * For now set the counter to just 1 since we do not
-                * support uAPSD yet.
-+               *
-+               * FIXME: If we get two non-bufferable frames one
-+               * after the other, we might only send out one of
-+               * them because this is racy.
-                */
-               iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
-       }
---- a/drivers/net/wireless/p54/txrx.c
-+++ b/drivers/net/wireless/p54/txrx.c
-@@ -690,7 +690,7 @@ static void p54_tx_80211_header(struct p
-       if (!(info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
-               *flags |= P54_HDR_FLAG_DATA_OUT_SEQNR;
--      if (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)
-+      if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)
-               *flags |= P54_HDR_FLAG_DATA_OUT_NOCANCEL;
-       if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
---- a/include/net/mac80211.h
-+++ b/include/net/mac80211.h
-@@ -341,9 +341,9 @@ struct ieee80211_bss_conf {
-  *    used to indicate that a frame was already retried due to PS
-  * @IEEE80211_TX_INTFL_DONT_ENCRYPT: completely internal to mac80211,
-  *    used to indicate frame should not be encrypted
-- * @IEEE80211_TX_CTL_POLL_RESPONSE: This frame is a response to a poll
-- *    frame (PS-Poll or uAPSD) and should be sent although the station
-- *    is in powersave mode.
-+ * @IEEE80211_TX_CTL_NO_PS_BUFFER: This frame is a response to a poll
-+ *    frame (PS-Poll or uAPSD) or a non-bufferable MMPDU and must
-+ *    be sent although the station is in powersave mode.
-  * @IEEE80211_TX_CTL_MORE_FRAMES: More frames will be passed to the
-  *    transmit function after the current frame, this can be used
-  *    by drivers to kick the DMA queue only if unset or when the
-@@ -399,7 +399,7 @@ enum mac80211_tx_control_flags {
-       IEEE80211_TX_INTFL_NEED_TXPROCESSING    = BIT(14),
-       IEEE80211_TX_INTFL_RETRIED              = BIT(15),
-       IEEE80211_TX_INTFL_DONT_ENCRYPT         = BIT(16),
--      IEEE80211_TX_CTL_POLL_RESPONSE          = BIT(17),
-+      IEEE80211_TX_CTL_NO_PS_BUFFER           = BIT(17),
-       IEEE80211_TX_CTL_MORE_FRAMES            = BIT(18),
-       IEEE80211_TX_INTFL_RETRANSMISSION       = BIT(19),
-       /* hole at 20, use later */
-@@ -425,7 +425,7 @@ enum mac80211_tx_control_flags {
-       IEEE80211_TX_CTL_SEND_AFTER_DTIM | IEEE80211_TX_CTL_AMPDU |           \
-       IEEE80211_TX_STAT_TX_FILTERED | IEEE80211_TX_STAT_ACK |               \
-       IEEE80211_TX_STAT_AMPDU | IEEE80211_TX_STAT_AMPDU_NO_BACK |           \
--      IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_POLL_RESPONSE |   \
-+      IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_NO_PS_BUFFER |    \
-       IEEE80211_TX_CTL_MORE_FRAMES | IEEE80211_TX_CTL_LDPC |                \
-       IEEE80211_TX_CTL_STBC | IEEE80211_TX_STATUS_EOSP)
-@@ -659,6 +659,8 @@ ieee80211_tx_info_clear_status(struct ie
-  * @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
-  * @RX_FLAG_40MHZ: HT40 (40 MHz) was used
-  * @RX_FLAG_SHORT_GI: Short guard interval was used
-+ * @RX_FLAG_NO_SIGNAL_VAL: The signal strength value is not present.
-+ *    Valid only for data frames (mainly A-MPDU)
-  */
- enum mac80211_rx_flags {
-       RX_FLAG_MMIC_ERROR      = 1<<0,
-@@ -672,6 +674,7 @@ enum mac80211_rx_flags {
-       RX_FLAG_HT              = 1<<9,
-       RX_FLAG_40MHZ           = 1<<10,
-       RX_FLAG_SHORT_GI        = 1<<11,
-+      RX_FLAG_NO_SIGNAL_VAL   = 1<<12,
- };
+       rx_status->mactime = be64_to_cpu(rxbuf->rxstatus.rs_tstamp);
+       rx_status->band = hw->conf.channel->band;
+--- a/include/linux/ieee80211.h
++++ b/include/linux/ieee80211.h
+@@ -185,7 +185,7 @@ struct ieee80211_hdr {
+       u8 addr3[6];
+       __le16 seq_ctrl;
+       u8 addr4[6];
+-} __packed;
++} __packed __aligned(2);
+ struct ieee80211_hdr_3addr {
+       __le16 frame_control;
+@@ -194,7 +194,7 @@ struct ieee80211_hdr_3addr {
+       u8 addr2[6];
+       u8 addr3[6];
+       __le16 seq_ctrl;
+-} __packed;
++} __packed __aligned(2);
+ struct ieee80211_qos_hdr {
+       __le16 frame_control;
+@@ -204,7 +204,7 @@ struct ieee80211_qos_hdr {
+       u8 addr3[6];
+       __le16 seq_ctrl;
+       __le16 qos_ctrl;
+-} __packed;
++} __packed __aligned(2);
  
  /**
-@@ -1634,7 +1637,7 @@ void ieee80211_free_txskb(struct ieee802
-  * the station sends a PS-Poll or a uAPSD trigger frame, mac80211
-  * will inform the driver of this with the @allow_buffered_frames
-  * callback; this callback is optional. mac80211 will then transmit
-- * the frames as usual and set the %IEEE80211_TX_CTL_POLL_RESPONSE
-+ * the frames as usual and set the %IEEE80211_TX_CTL_NO_PS_BUFFER
-  * on each frame. The last frame in the service period (or the only
-  * response to a PS-Poll) also has %IEEE80211_TX_STATUS_EOSP set to
-  * indicate that it ends the service period; as this frame must have
-@@ -1642,6 +1645,9 @@ void ieee80211_free_txskb(struct ieee802
-  * When TX status is reported for this frame, the service period is
-  * marked has having ended and a new one can be started by the peer.
-  *
-+ * Additionally, non-bufferable MMPDUs can also be transmitted by
-+ * mac80211 with the %IEEE80211_TX_CTL_NO_PS_BUFFER set in them.
-+ *
-  * Another race condition can happen on some devices like iwlwifi
-  * when there are frames queued for the station and it wakes up
-  * or polls; the frames that are already queued could end up being
-@@ -2140,7 +2146,7 @@ enum ieee80211_frame_release_type {
-  * @allow_buffered_frames: Prepare device to allow the given number of frames
-  *    to go out to the given station. The frames will be sent by mac80211
-  *    via the usual TX path after this call. The TX information for frames
-- *    released will also have the %IEEE80211_TX_CTL_POLL_RESPONSE flag set
-+ *    released will also have the %IEEE80211_TX_CTL_NO_PS_BUFFER flag set
-  *    and the last one will also have %IEEE80211_TX_STATUS_EOSP set. In case
-  *    frames from multiple TIDs are released and the driver might reorder
-  *    them between the TIDs, it must set the %IEEE80211_TX_STATUS_EOSP flag
+  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
+@@ -581,7 +581,7 @@ struct ieee80211s_hdr {
+       __le32 seqnum;
+       u8 eaddr1[6];
+       u8 eaddr2[6];
+-} __packed;
++} __packed __aligned(2);
+ /* Mesh flags */
+ #define MESH_FLAGS_AE_A4      0x1
+@@ -875,7 +875,7 @@ struct ieee80211_mgmt {
+                       } u;
+               } __packed action;
+       } u;
+-} __packed;
++} __packed __aligned(2);
+ /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
+ #define BSS_MEMBERSHIP_SELECTOR_HT_PHY        127
+@@ -906,20 +906,20 @@ struct ieee80211_rts {
+       __le16 duration;
+       u8 ra[6];
+       u8 ta[6];
+-} __packed;
++} __packed __aligned(2);
+ struct ieee80211_cts {
+       __le16 frame_control;
+       __le16 duration;
+       u8 ra[6];
+-} __packed;
++} __packed __aligned(2);
+ struct ieee80211_pspoll {
+       __le16 frame_control;
+       __le16 aid;
+       u8 bssid[6];
+       u8 ta[6];
+-} __packed;
++} __packed __aligned(2);
+ /* TDLS */
 --- a/net/mac80211/agg-rx.c
 +++ b/net/mac80211/agg-rx.c
-@@ -187,6 +187,8 @@ static void ieee80211_send_addba_resp(st
+@@ -204,6 +204,8 @@ static void ieee80211_send_addba_resp(st
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
        else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
                memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
                memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
        else if (sdata->vif.type == NL80211_IFTYPE_STATION)
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
-@@ -471,6 +472,7 @@ int ieee80211_start_tx_ba_session(struct
+@@ -527,6 +528,7 @@ int ieee80211_start_tx_ba_session(struct
            sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
            sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
            sdata->vif.type != NL80211_IFTYPE_AP &&
  
 --- a/net/mac80211/debugfs_sta.c
 +++ b/net/mac80211/debugfs_sta.c
-@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
+@@ -65,11 +65,11 @@ static ssize_t sta_flags_read(struct fil
        test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
  
        int res = scnprintf(buf, sizeof(buf),
--                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
-+                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+-                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
++                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
                            TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
                            TEST(PS_DRIVER), TEST(AUTHORIZED),
                            TEST(SHORT_PREAMBLE),
                            TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
 --- a/net/mac80211/iface.c
 +++ b/net/mac80211/iface.c
-@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
- {
-       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+@@ -107,7 +107,7 @@ void ieee80211_recalc_idle(struct ieee80
+       lockdep_assert_held(&local->mtx);
+-      active = !list_empty(&local->chanctx_list);
++      active = !list_empty(&local->chanctx_list) || local->monitors;
+       if (!local->ops->remain_on_channel) {
+               list_for_each_entry(roc, &local->roc_list, list) {
+@@ -436,7 +436,6 @@ int ieee80211_do_open(struct wireless_de
+       struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+       struct net_device *dev = wdev->netdev;
        struct ieee80211_local *local = sdata->local;
 -      struct sta_info *sta;
        u32 changed = 0;
        int res;
        u32 hw_reconf_flags = 0;
-@@ -309,28 +308,6 @@ static int ieee80211_do_open(struct net_
+@@ -541,6 +540,9 @@ int ieee80211_do_open(struct wireless_de
+               ieee80211_adjust_monitor_flags(sdata, 1);
+               ieee80211_configure_filter(local);
++              mutex_lock(&local->mtx);
++              ieee80211_recalc_idle(local);
++              mutex_unlock(&local->mtx);
+               netif_carrier_on(dev);
+               break;
+@@ -595,30 +597,8 @@ int ieee80211_do_open(struct wireless_de
  
        set_bit(SDATA_STATE_RUNNING, &sdata->state);
  
 -              }
 -
 -              rate_control_rate_init(sta);
+-              netif_carrier_on(dev);
+-      } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
++      if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+               rcu_assign_pointer(local->p2p_sdata, sdata);
 -      }
--
        /*
         * set_multicast_list will be invoked by the networking core
-        * which will check whether any increments here were done in
-@@ -357,8 +334,7 @@ static int ieee80211_do_open(struct net_
-       netif_tx_start_all_queues(dev);
+@@ -817,6 +797,9 @@ static void ieee80211_do_stop(struct iee
  
-       return 0;
-- err_del_interface:
--      drv_remove_interface(local, sdata);
-+
-  err_stop:
-       if (!local->open_count)
-               drv_stop(local);
-@@ -722,6 +698,70 @@ static void ieee80211_if_setup(struct ne
+               ieee80211_adjust_monitor_flags(sdata, -1);
+               ieee80211_configure_filter(local);
++              mutex_lock(&local->mtx);
++              ieee80211_recalc_idle(local);
++              mutex_unlock(&local->mtx);
+               break;
+       case NL80211_IFTYPE_P2P_DEVICE:
+               /* relies on synchronize_rcu() below */
+@@ -1022,6 +1005,72 @@ static void ieee80211_if_setup(struct ne
        dev->destructor = free_netdev;
  }
  
 +      ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
 +                             skb->len - baselen, &elems);
 +
-+      rates = ieee80211_sta_get_rates(local, &elems, band);
++      rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
 +
 +      rcu_read_lock();
 +
 +
 +      if (elems.ht_cap_elem)
 +              ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
-+                              elems.ht_cap_elem, &sta->sta.ht_cap);
++                              elems.ht_cap_elem, sta);
 +
 +      if (elems.wmm_param)
 +              set_sta_flag(sta, WLAN_STA_WME);
 +
 +      if (new) {
-+              set_sta_flag(sta, WLAN_STA_AUTHORIZED);
++              sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
++              sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
++              sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
 +              rate_control_rate_init(sta);
 +              sta_info_insert_rcu(sta);
 +      }
  static void ieee80211_iface_work(struct work_struct *work)
  {
        struct ieee80211_sub_if_data *sdata =
-@@ -826,6 +866,9 @@ static void ieee80211_iface_work(struct 
+@@ -1126,6 +1175,9 @@ static void ieee80211_iface_work(struct 
                                break;
                        ieee80211_mesh_rx_queued_mgmt(sdata, skb);
                        break;
                        break;
 --- a/net/mac80211/rx.c
 +++ b/net/mac80211/rx.c
-@@ -177,7 +177,8 @@ ieee80211_add_rx_radiotap_header(struct 
-       pos += 2;
-       /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
--      if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
-+      if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM &&
-+          !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
-               *pos = status->signal;
-               rthdr->it_present |=
-                       cpu_to_le32(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL);
-@@ -489,12 +490,12 @@ ieee80211_rx_mesh_check(struct ieee80211
-                       if (ieee80211_has_tods(hdr->frame_control) ||
-                               !ieee80211_has_fromds(hdr->frame_control))
-                               return RX_DROP_MONITOR;
--                      if (memcmp(hdr->addr3, dev_addr, ETH_ALEN) == 0)
-+                      if (compare_ether_addr(hdr->addr3, dev_addr) == 0)
-                               return RX_DROP_MONITOR;
-               } else {
-                       if (!ieee80211_has_a4(hdr->frame_control))
-                               return RX_DROP_MONITOR;
--                      if (memcmp(hdr->addr4, dev_addr, ETH_ALEN) == 0)
-+                      if (compare_ether_addr(hdr->addr4, dev_addr) == 0)
-                               return RX_DROP_MONITOR;
-               }
-       }
-@@ -1309,8 +1310,10 @@ ieee80211_rx_h_sta_process(struct ieee80
-       sta->rx_fragments++;
-       sta->rx_bytes += rx->skb->len;
--      sta->last_signal = status->signal;
--      ewma_add(&sta->avg_signal, -status->signal);
-+      if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
-+              sta->last_signal = status->signal;
-+              ewma_add(&sta->avg_signal, -status->signal);
-+      }
-       /*
-        * Change STA power saving mode only at the end of a frame
-@@ -2282,6 +2285,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+@@ -2365,6 +2365,7 @@ ieee80211_rx_h_action(struct ieee80211_r
                    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
                    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
                    sdata->vif.type != NL80211_IFTYPE_AP &&
                    sdata->vif.type != NL80211_IFTYPE_ADHOC)
                        break;
  
-@@ -2336,7 +2340,7 @@ ieee80211_rx_h_action(struct ieee80211_r
-                       if (sdata->vif.type != NL80211_IFTYPE_STATION)
-                               break;
--                      if (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN))
-+                      if (compare_ether_addr(mgmt->bssid, sdata->u.mgd.bssid))
-                               break;
-                       goto queue;
-@@ -2492,14 +2496,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2692,14 +2693,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
  
        if (!ieee80211_vif_is_mesh(&sdata->vif) &&
            sdata->vif.type != NL80211_IFTYPE_ADHOC &&
                break;
        case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
        case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
-@@ -2853,10 +2858,16 @@ static int prepare_for_handlers(struct i
+@@ -3028,10 +3030,16 @@ static int prepare_for_handlers(struct i
                }
                break;
        case NL80211_IFTYPE_WDS:
 -              if (bssid || !ieee80211_is_data(hdr->frame_control))
 -                      return 0;
-               if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
+               if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
                        return 0;
 +
 +              if (ieee80211_is_data(hdr->frame_control) ||
 +                      return 0;
 +
                break;
-       default:
-               /* should never get here */
---- a/net/mac80211/sta_info.c
-+++ b/net/mac80211/sta_info.c
-@@ -9,6 +9,7 @@
- #include <linux/module.h>
- #include <linux/init.h>
-+#include <linux/etherdevice.h>
- #include <linux/netdevice.h>
- #include <linux/types.h>
- #include <linux/slab.h>
-@@ -101,7 +102,7 @@ struct sta_info *sta_info_get(struct iee
-                                   lockdep_is_held(&local->sta_mtx));
-       while (sta) {
-               if (sta->sdata == sdata &&
--                  memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
-+                  compare_ether_addr(sta->sta.addr, addr) == 0)
-                       break;
-               sta = rcu_dereference_check(sta->hnext,
-                                           lockdep_is_held(&local->sta_mtx));
-@@ -124,7 +125,7 @@ struct sta_info *sta_info_get_bss(struct
-       while (sta) {
-               if ((sta->sdata == sdata ||
-                    (sta->sdata->bss && sta->sdata->bss == sdata->bss)) &&
--                  memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
-+                  compare_ether_addr(sta->sta.addr, addr) == 0)
-                       break;
-               sta = rcu_dereference_check(sta->hnext,
-                                           lockdep_is_held(&local->sta_mtx));
-@@ -1050,7 +1051,7 @@ static void ieee80211_send_null_response
-        * exchange. Also set EOSP to indicate this packet
-        * ends the poll/service period.
-        */
--      info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE |
-+      info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER |
-                      IEEE80211_TX_STATUS_EOSP |
-                      IEEE80211_TX_CTL_REQ_TX_STATUS;
-@@ -1177,7 +1178,7 @@ ieee80211_sta_ps_deliver_response(struct
-                        * STA may still remain is PS mode after this frame
-                        * exchange.
-                        */
--                      info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE;
-+                      info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
-                       /*
-                        * Use MoreData flag to indicate whether there are
+       case NL80211_IFTYPE_P2P_DEVICE:
+               if (!ieee80211_is_public_action(hdr, skb->len) &&
 --- a/net/mac80211/sta_info.h
 +++ b/net/mac80211/sta_info.h
-@@ -14,6 +14,7 @@
- #include <linux/if_ether.h>
- #include <linux/workqueue.h>
- #include <linux/average.h>
-+#include <linux/etherdevice.h>
- #include "key.h"
- /**
-@@ -31,7 +32,6 @@
+@@ -32,7 +32,6 @@
   * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
   *    frames.
   * @WLAN_STA_WME: Station is a QoS-STA.
   * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
   *    IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
   *    frame to this station is transmitted.
-@@ -62,7 +62,6 @@ enum ieee80211_sta_info_flags {
+@@ -66,7 +65,6 @@ enum ieee80211_sta_info_flags {
        WLAN_STA_AUTHORIZED,
        WLAN_STA_SHORT_PREAMBLE,
        WLAN_STA_WME,
        WLAN_STA_CLEAR_PS_FILT,
        WLAN_STA_MFP,
        WLAN_STA_BLOCK_BA,
-@@ -489,7 +488,7 @@ void for_each_sta_info_type_check(struct
-               nxt = _sta ? rcu_dereference(_sta->hnext) : NULL        \
-            )                                                          \
-       /* compare address and run code only if it matches */           \
--      if (memcmp(_sta->sta.addr, (_addr), ETH_ALEN) == 0)
-+      if (compare_ether_addr(_sta->sta.addr, (_addr)) == 0)
- /*
-  * Get STA info by index, BROKEN!
 --- a/net/mac80211/tx.c
 +++ b/net/mac80211/tx.c
-@@ -448,18 +448,23 @@ ieee80211_tx_h_unicast_ps_buf(struct iee
-       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
-       struct ieee80211_local *local = tx->local;
--      if (unlikely(!sta ||
--                   ieee80211_is_probe_resp(hdr->frame_control) ||
--                   ieee80211_is_auth(hdr->frame_control) ||
--                   ieee80211_is_assoc_resp(hdr->frame_control) ||
--                   ieee80211_is_reassoc_resp(hdr->frame_control)))
-+      if (unlikely(!sta))
-               return TX_CONTINUE;
-       if (unlikely((test_sta_flag(sta, WLAN_STA_PS_STA) ||
-                     test_sta_flag(sta, WLAN_STA_PS_DRIVER)) &&
--                   !(info->flags & IEEE80211_TX_CTL_POLL_RESPONSE))) {
-+                   !(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER))) {
-               int ac = skb_get_queue_mapping(tx->skb);
-+              /* only deauth, disassoc and action are bufferable MMPDUs */
-+              if (ieee80211_is_mgmt(hdr->frame_control) &&
-+                  !ieee80211_is_deauth(hdr->frame_control) &&
-+                  !ieee80211_is_disassoc(hdr->frame_control) &&
-+                  !ieee80211_is_action(hdr->frame_control)) {
-+                      info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
-+                      return TX_CONTINUE;
-+              }
-+
- #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-               printk(KERN_DEBUG "STA %pM aid %d: PS buffer for AC %d\n",
-                      sta->sta.addr, sta->sta.aid, ac);
-@@ -1060,6 +1065,7 @@ static bool ieee80211_tx_prep_agg(struct
- {
-       bool queued = false;
-       bool reset_agg_timer = false;
-+      struct sk_buff *purge_skb = NULL;
-       if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
-               info->flags |= IEEE80211_TX_CTL_AMPDU;
-@@ -1101,8 +1107,13 @@ static bool ieee80211_tx_prep_agg(struct
-                       info->control.vif = &tx->sdata->vif;
-                       info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
-                       __skb_queue_tail(&tid_tx->pending, skb);
-+                      if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER)
-+                              purge_skb = __skb_dequeue(&tid_tx->pending);
+@@ -1231,34 +1231,40 @@ static bool ieee80211_tx_frags(struct ie
+               if (local->queue_stop_reasons[q] ||
+                   (!txpending && !skb_queue_empty(&local->pending[q]))) {
+                       if (unlikely(info->flags &
+-                                      IEEE80211_TX_INTFL_OFFCHAN_TX_OK &&
+-                                   local->queue_stop_reasons[q] &
+-                                      ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL))) {
++                                   IEEE80211_TX_INTFL_OFFCHAN_TX_OK)) {
++                              if (local->queue_stop_reasons[q] &
++                                  ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL)) {
++                                      /*
++                                       * Drop off-channel frames if queues
++                                       * are stopped for any reason other
++                                       * than off-channel operation. Never
++                                       * queue them.
++                                       */
++                                      spin_unlock_irqrestore(
++                                              &local->queue_stop_reason_lock,
++                                              flags);
++                                      ieee80211_purge_tx_queue(&local->hw,
++                                                               skbs);
++                                      return true;
++                              }
++                      } else {
++
+                               /*
+-                               * Drop off-channel frames if queues are stopped
+-                               * for any reason other than off-channel
+-                               * operation. Never queue them.
++                               * Since queue is stopped, queue up frames for
++                               * later transmission from the tx-pending
++                               * tasklet when the queue is woken again.
+                                */
+-                              spin_unlock_irqrestore(
+-                                      &local->queue_stop_reason_lock, flags);
+-                              ieee80211_purge_tx_queue(&local->hw, skbs);
+-                              return true;
++                              if (txpending)
++                                      skb_queue_splice_init(skbs,
++                                                            &local->pending[q]);
++                              else
++                                      skb_queue_splice_tail_init(skbs,
++                                                                 &local->pending[q]);
++
++                              spin_unlock_irqrestore(&local->queue_stop_reason_lock,
++                                                     flags);
++                              return false;
+                       }
+-
+-                      /*
+-                       * Since queue is stopped, queue up frames for later
+-                       * transmission from the tx-pending tasklet when the
+-                       * queue is woken again.
+-                       */
+-                      if (txpending)
+-                              skb_queue_splice_init(skbs, &local->pending[q]);
+-                      else
+-                              skb_queue_splice_tail_init(skbs,
+-                                                         &local->pending[q]);
+-
+-                      spin_unlock_irqrestore(&local->queue_stop_reason_lock,
+-                                             flags);
+-                      return false;
                }
-               spin_unlock(&tx->sta->lock);
-+
-+              if (purge_skb)
-+                      dev_kfree_skb(purge_skb);
-       }
-       /* reset session timer */
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -480,7 +480,7 @@ struct ieee80211_if_ibss {
-       bool control_port;
--      u8 bssid[ETH_ALEN];
-+      u8 bssid[ETH_ALEN] __aligned(2);
-       u8 ssid[IEEE80211_MAX_SSID_LEN];
-       u8 ssid_len, ie_len;
-       u8 *ie;
---- a/net/mac80211/ibss.c
-+++ b/net/mac80211/ibss.c
-@@ -66,7 +66,7 @@ static void __ieee80211_sta_join_ibss(st
-       skb_reset_tail_pointer(skb);
-       skb_reserve(skb, sdata->local->hw.extra_tx_headroom);
--      if (memcmp(ifibss->bssid, bssid, ETH_ALEN))
-+      if (compare_ether_addr(ifibss->bssid, bssid))
-               sta_info_flush(sdata->local, sdata);
-       /* if merging, indicate to driver that we leave the old IBSS */
-@@ -403,7 +403,7 @@ static void ieee80211_rx_bss_info(struct
-               return;
-       if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
--          memcmp(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(mgmt->bssid, sdata->u.ibss.bssid) == 0) {
-               rcu_read_lock();
-               sta = sta_info_get(sdata, mgmt->sa);
-@@ -508,7 +508,7 @@ static void ieee80211_rx_bss_info(struct
-               goto put_bss;
-       /* same BSSID */
--      if (memcmp(cbss->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0)
-+      if (compare_ether_addr(cbss->bssid, sdata->u.ibss.bssid) == 0)
-               goto put_bss;
-       if (rx_status->flag & RX_FLAG_MACTIME_MPDU) {
-@@ -831,8 +831,8 @@ static void ieee80211_rx_mgmt_probe_req(
-       if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
-               return;
--      if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
--          memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
-+      if (compare_ether_addr(mgmt->bssid, ifibss->bssid) != 0 &&
-+          !is_broadcast_ether_addr(mgmt->bssid))
-               return;
-       end = ((u8 *) mgmt) + len;
---- a/net/mac80211/mesh.c
-+++ b/net/mac80211/mesh.c
-@@ -204,7 +204,7 @@ int mesh_rmc_check(u8 *sa, struct ieee80
-                       kmem_cache_free(rm_cache, p);
-                       --entries;
-               } else if ((seqnum == p->seqnum) &&
--                         (memcmp(sa, p->sa, ETH_ALEN) == 0))
-+                         (compare_ether_addr(sa, p->sa) == 0))
-                       return -1;
-       }
---- a/net/mac80211/mesh_hwmp.c
-+++ b/net/mac80211/mesh_hwmp.c
-@@ -8,6 +8,7 @@
-  */
- #include <linux/slab.h>
-+#include <linux/etherdevice.h>
- #include <asm/unaligned.h>
- #include "wme.h"
- #include "mesh.h"
-@@ -419,7 +420,7 @@ static u32 hwmp_route_info_get(struct ie
-               new_metric = MAX_METRIC;
-       exp_time = TU_TO_EXP_TIME(orig_lifetime);
--      if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) {
-+      if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) {
-               /* This MP is the originator, we are not interested in this
-                * frame, except for updating transmitter's path info.
-                */
-@@ -469,7 +470,7 @@ static u32 hwmp_route_info_get(struct ie
-       /* Update and check transmitter routing info */
-       ta = mgmt->sa;
--      if (memcmp(orig_addr, ta, ETH_ALEN) == 0)
-+      if (compare_ether_addr(orig_addr, ta) == 0)
-               fresh_info = false;
-       else {
-               fresh_info = true;
-@@ -529,7 +530,7 @@ static void hwmp_preq_frame_process(stru
-       mhwmp_dbg("received PREQ from %pM", orig_addr);
--      if (memcmp(target_addr, sdata->vif.addr, ETH_ALEN) == 0) {
-+      if (compare_ether_addr(target_addr, sdata->vif.addr) == 0) {
-               mhwmp_dbg("PREQ is for us");
-               forward = false;
-               reply = true;
-@@ -624,7 +625,7 @@ static void hwmp_prep_frame_process(stru
-       mhwmp_dbg("received PREP from %pM", PREP_IE_ORIG_ADDR(prep_elem));
-       orig_addr = PREP_IE_ORIG_ADDR(prep_elem);
--      if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0)
-+      if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0)
-               /* destination, no forwarding required */
-               return;
-@@ -694,10 +695,12 @@ static void hwmp_perr_frame_process(stru
-       rcu_read_lock();
-       mpath = mesh_path_lookup(target_addr, sdata);
-       if (mpath) {
-+              struct sta_info *sta;
-+
-               spin_lock_bh(&mpath->state_lock);
-+              sta = next_hop_deref_protected(mpath);
-               if (mpath->flags & MESH_PATH_ACTIVE &&
--                  memcmp(ta, next_hop_deref_protected(mpath)->sta.addr,
--                                                      ETH_ALEN) == 0 &&
-+                  compare_ether_addr(ta, sta->sta.addr) == 0 &&
-                   (!(mpath->flags & MESH_PATH_SN_VALID) ||
-                   SN_GT(target_sn, mpath->sn))) {
-                       mpath->flags &= ~MESH_PATH_ACTIVE;
-@@ -739,7 +742,7 @@ static void hwmp_rann_frame_process(stru
-       metric = rann->rann_metric;
-       /*  Ignore our own RANNs */
--      if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0)
-+      if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0)
-               return;
-       mhwmp_dbg("received RANN from %pM (is_gate=%d)", orig_addr,
-@@ -1064,7 +1067,7 @@ int mesh_nexthop_lookup(struct sk_buff *
-       if (time_after(jiffies,
-                      mpath->exp_time -
-                      msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time)) &&
--          !memcmp(sdata->vif.addr, hdr->addr4, ETH_ALEN) &&
-+          !compare_ether_addr(sdata->vif.addr, hdr->addr4) &&
-           !(mpath->flags & MESH_PATH_RESOLVING) &&
-           !(mpath->flags & MESH_PATH_FIXED))
-               mesh_queue_preq(mpath, PREQ_Q_F_START | PREQ_Q_F_REFRESH);
---- a/net/mac80211/mesh_pathtbl.c
-+++ b/net/mac80211/mesh_pathtbl.c
-@@ -350,7 +350,7 @@ static struct mesh_path *mpath_lookup(st
-       hlist_for_each_entry_rcu(node, n, bucket, list) {
-               mpath = node->mpath;
-               if (mpath->sdata == sdata &&
--                              memcmp(dst, mpath->dst, ETH_ALEN) == 0) {
-+                              compare_ether_addr(dst, mpath->dst) == 0) {
-                       if (MPATH_EXPIRED(mpath)) {
-                               spin_lock_bh(&mpath->state_lock);
-                               mpath->flags &= ~MESH_PATH_ACTIVE;
-@@ -525,7 +525,7 @@ int mesh_path_add(u8 *dst, struct ieee80
-       int err = 0;
-       u32 hash_idx;
--      if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
-+      if (compare_ether_addr(dst, sdata->vif.addr) == 0)
-               /* never add ourselves as neighbours */
-               return -ENOTSUPP;
-@@ -566,7 +566,8 @@ int mesh_path_add(u8 *dst, struct ieee80
-       err = -EEXIST;
-       hlist_for_each_entry(node, n, bucket, list) {
-               mpath = node->mpath;
--              if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
-+              if (mpath->sdata == sdata &&
-+                  compare_ether_addr(dst, mpath->dst) == 0)
-                       goto err_exists;
-       }
-@@ -657,7 +658,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc
-       int err = 0;
-       u32 hash_idx;
--      if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
-+      if (compare_ether_addr(dst, sdata->vif.addr) == 0)
-               /* never add ourselves as neighbours */
-               return -ENOTSUPP;
-@@ -694,7 +695,8 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc
-       err = -EEXIST;
-       hlist_for_each_entry(node, n, bucket, list) {
-               mpath = node->mpath;
--              if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
-+              if (mpath->sdata == sdata &&
-+                  compare_ether_addr(dst, mpath->dst) == 0)
-                       goto err_exists;
-       }
+               spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
  
-@@ -887,7 +889,7 @@ int mesh_path_del(u8 *addr, struct ieee8
-       hlist_for_each_entry(node, n, bucket, list) {
-               mpath = node->mpath;
-               if (mpath->sdata == sdata &&
--                  memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
-+                  compare_ether_addr(addr, mpath->dst) == 0) {
-                       __mesh_path_del(tbl, node);
-                       goto enddel;
+@@ -1848,9 +1854,24 @@ netdev_tx_t ieee80211_subif_start_xmit(s
                }
---- a/net/mac80211/mlme.c
-+++ b/net/mac80211/mlme.c
-@@ -1812,7 +1812,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_
-       memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN);
--      if (memcmp(bssid, mgmt->bssid, ETH_ALEN))
-+      if (compare_ether_addr(bssid, mgmt->bssid))
-               return RX_MGMT_NONE;
-       auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
-@@ -1893,7 +1893,7 @@ ieee80211_rx_mgmt_deauth(struct ieee8021
-               return RX_MGMT_NONE;
-       if (!ifmgd->associated ||
--          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
-+          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
-               return RX_MGMT_NONE;
-       bssid = ifmgd->associated->bssid;
-@@ -1925,7 +1925,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80
-               return RX_MGMT_NONE;
-       if (!ifmgd->associated ||
--          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
-+          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
-               return RX_MGMT_NONE;
-       reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
-@@ -2190,7 +2190,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee
-       if (!assoc_data)
-               return RX_MGMT_NONE;
--      if (memcmp(assoc_data->bss->bssid, mgmt->bssid, ETH_ALEN))
-+      if (compare_ether_addr(assoc_data->bss->bssid, mgmt->bssid))
-               return RX_MGMT_NONE;
-       /*
-@@ -2278,8 +2278,8 @@ static void ieee80211_rx_bss_info(struct
-       bool need_ps = false;
-       if (sdata->u.mgd.associated &&
--          memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid,
--                 ETH_ALEN) == 0) {
-+          compare_ether_addr(mgmt->bssid, sdata->u.mgd.associated->bssid)
-+          == 0) {
-               bss = (void *)sdata->u.mgd.associated->priv;
-               /* not previously set so we may need to recalc */
-               need_ps = !bss->dtim_period;
-@@ -2334,7 +2334,7 @@ static void ieee80211_rx_mgmt_probe_resp
-       ASSERT_MGD_MTX(ifmgd);
--      if (memcmp(mgmt->da, sdata->vif.addr, ETH_ALEN))
-+      if (compare_ether_addr(mgmt->da, sdata->vif.addr))
-               return; /* ignore ProbeResp to foreign address */
-       baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
-@@ -2347,11 +2347,12 @@ static void ieee80211_rx_mgmt_probe_resp
-       ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false);
-       if (ifmgd->associated &&
--          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN) == 0)
-+          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid) == 0)
-               ieee80211_reset_ap_probe(sdata);
-       if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies &&
--          memcmp(mgmt->bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(mgmt->bssid, ifmgd->auth_data->bss->bssid)
-+          == 0) {
-               /* got probe response, continue with auth */
-               printk(KERN_DEBUG "%s: direct probe responded\n", sdata->name);
-               ifmgd->auth_data->tries = 0;
-@@ -2408,7 +2409,8 @@ static void ieee80211_rx_mgmt_beacon(str
-               return;
-       if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon &&
--          memcmp(mgmt->bssid, ifmgd->assoc_data->bss->bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(mgmt->bssid, ifmgd->assoc_data->bss->bssid)
-+          == 0) {
-               ieee802_11_parse_elems(mgmt->u.beacon.variable,
-                                      len - baselen, &elems);
-@@ -2423,7 +2425,7 @@ static void ieee80211_rx_mgmt_beacon(str
-       }
-       if (!ifmgd->associated ||
--          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
-+          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
-               return;
-       bssid = ifmgd->associated->bssid;
-@@ -3285,7 +3287,7 @@ int ieee80211_mgd_assoc(struct ieee80211
-               bool match;
  
-               /* keep sta info, bssid if matching */
--              match = memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN) == 0;
-+              match = compare_ether_addr(ifmgd->bssid, req->bss->bssid) == 0;
-               ieee80211_destroy_auth_data(sdata, match);
-       }
-@@ -3407,7 +3409,7 @@ int ieee80211_mgd_assoc(struct ieee80211
-                       goto err_clear;
+               if (!is_multicast_ether_addr(skb->data)) {
++                      struct sta_info *next_hop;
++                      bool mpp_lookup = true;
++
+                       mpath = mesh_path_lookup(sdata, skb->data);
+-                      if (!mpath)
++                      if (mpath) {
++                              mpp_lookup = false;
++                              next_hop = rcu_dereference(mpath->next_hop);
++                              if (!next_hop ||
++                                  !(mpath->flags & (MESH_PATH_ACTIVE |
++                                                    MESH_PATH_RESOLVING)))
++                                      mpp_lookup = true;
++                      }
++
++                      if (mpp_lookup)
+                               mppath = mpp_path_lookup(sdata, skb->data);
++
++                      if (mppath && mpath)
++                              mesh_path_del(mpath->sdata, mpath->dst);
                }
-       } else
--              WARN_ON_ONCE(memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN));
-+              WARN_ON_ONCE(compare_ether_addr(ifmgd->bssid, req->bss->bssid));
-       if (!bss->dtim_period &&
-           sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) {
-@@ -3448,7 +3450,7 @@ int ieee80211_mgd_deauth(struct ieee8021
-       mutex_lock(&ifmgd->mtx);
-       if (ifmgd->associated &&
--          memcmp(ifmgd->associated->bssid, req->bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(ifmgd->associated->bssid, req->bssid) == 0) {
-               ieee80211_set_disassoc(sdata, false, true);
-               assoc_bss = true;
-       } else if (ifmgd->auth_data) {
---- a/net/mac80211/status.c
-+++ b/net/mac80211/status.c
-@@ -10,6 +10,7 @@
-  */
- #include <linux/export.h>
-+#include <linux/etherdevice.h>
- #include <net/mac80211.h>
- #include <asm/unaligned.h>
- #include "ieee80211_i.h"
-@@ -377,7 +378,7 @@ void ieee80211_tx_status(struct ieee8021
-       for_each_sta_info(local, hdr->addr1, sta, tmp) {
-               /* skip wrong virtual interface */
--              if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN))
-+              if (compare_ether_addr(hdr->addr2, sta->sdata->vif.addr))
-                       continue;
  
-               if (info->flags & IEEE80211_TX_STATUS_EOSP)
---- a/net/wireless/mlme.c
-+++ b/net/wireless/mlme.c
-@@ -6,6 +6,7 @@
- #include <linux/kernel.h>
- #include <linux/module.h>
-+#include <linux/etherdevice.h>
- #include <linux/netdevice.h>
- #include <linux/nl80211.h>
- #include <linux/slab.h>
-@@ -100,7 +101,7 @@ void __cfg80211_send_deauth(struct net_d
-       ASSERT_WDEV_LOCK(wdev);
-       if (wdev->current_bss &&
--          memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) {
-               cfg80211_unhold_bss(wdev->current_bss);
-               cfg80211_put_bss(&wdev->current_bss->pub);
-               wdev->current_bss = NULL;
-@@ -115,7 +116,7 @@ void __cfg80211_send_deauth(struct net_d
-               reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
--              from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
-+              from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0;
-               __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
-       } else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
-               __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
-@@ -154,7 +155,7 @@ void __cfg80211_send_disassoc(struct net
-               return;
-       if (wdev->current_bss &&
--          memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) {
-               cfg80211_sme_disassoc(dev, wdev->current_bss);
-               cfg80211_unhold_bss(wdev->current_bss);
-               cfg80211_put_bss(&wdev->current_bss->pub);
-@@ -165,7 +166,7 @@ void __cfg80211_send_disassoc(struct net
-       reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
--      from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
-+      from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0;
-       __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
- }
- EXPORT_SYMBOL(__cfg80211_send_disassoc);
-@@ -285,7 +286,7 @@ int __cfg80211_mlme_auth(struct cfg80211
-                       return -EINVAL;
-       if (wdev->current_bss &&
--          memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0)
-+          compare_ether_addr(bssid, wdev->current_bss->pub.bssid) == 0)
-               return -EALREADY;
-       memset(&req, 0, sizeof(req));
-@@ -362,7 +363,7 @@ int __cfg80211_mlme_assoc(struct cfg8021
-       memset(&req, 0, sizeof(req));
-       if (wdev->current_bss && prev_bssid &&
--          memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(wdev->current_bss->pub.bssid, prev_bssid) == 0) {
                /*
-                * Trying to reassociate: Allow this to proceed and let the old
-                * association to be dropped when the new one is completed.
-@@ -446,7 +447,8 @@ int __cfg80211_mlme_deauth(struct cfg802
-       if (local_state_change) {
-               if (wdev->current_bss &&
--                  memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
-+                  compare_ether_addr(wdev->current_bss->pub.bssid, bssid)
-+                  == 0) {
-                       cfg80211_unhold_bss(wdev->current_bss);
-                       cfg80211_put_bss(&wdev->current_bss->pub);
-                       wdev->current_bss = NULL;
-@@ -495,7 +497,7 @@ static int __cfg80211_mlme_disassoc(stru
-       req.local_state_change = local_state_change;
-       req.ie = ie;
-       req.ie_len = ie_len;
--      if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0)
-+      if (compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0)
-               req.bss = &wdev->current_bss->pub;
-       else
-               return -ENOTCONN;
-@@ -758,8 +760,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
-                               break;
-                       }
--                      if (memcmp(wdev->current_bss->pub.bssid,
--                                 mgmt->bssid, ETH_ALEN)) {
-+                      if (compare_ether_addr(wdev->current_bss->pub.bssid,
-+                                             mgmt->bssid)) {
-                               err = -ENOTCONN;
-                               break;
-                       }
-@@ -772,8 +774,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
-                               break;
-                       /* for station, check that DA is the AP */
--                      if (memcmp(wdev->current_bss->pub.bssid,
--                                 mgmt->da, ETH_ALEN)) {
-+                      if (compare_ether_addr(wdev->current_bss->pub.bssid,
-+                                             mgmt->da)) {
-                               err = -ENOTCONN;
-                               break;
-                       }
-@@ -781,11 +783,11 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
-               case NL80211_IFTYPE_AP:
-               case NL80211_IFTYPE_P2P_GO:
-               case NL80211_IFTYPE_AP_VLAN:
--                      if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN))
-+                      if (compare_ether_addr(mgmt->bssid, dev->dev_addr))
-                               err = -EINVAL;
-                       break;
-               case NL80211_IFTYPE_MESH_POINT:
--                      if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) {
-+                      if (compare_ether_addr(mgmt->sa, mgmt->bssid)) {
-                               err = -EINVAL;
-                               break;
-                       }
-@@ -804,7 +806,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
-                       return err;
-       }
--      if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0)
-+      if (compare_ether_addr(mgmt->sa, dev->dev_addr) != 0)
-               return -EINVAL;
-       /* Transmit the Action frame as requested by user space */
---- a/net/wireless/scan.c
-+++ b/net/wireless/scan.c
-@@ -378,7 +378,7 @@ static int cmp_bss_core(struct cfg80211_
-                              b->len_information_elements);
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -554,16 +554,9 @@ static int nl80211_msg_put_channel(struc
+       if ((chan->flags & IEEE80211_CHAN_NO_IBSS) &&
+           nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS))
+               goto nla_put_failure;
+-      if (chan->flags & IEEE80211_CHAN_RADAR) {
+-              u32 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
+-              if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
+-                      goto nla_put_failure;
+-              if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
+-                              chan->dfs_state))
+-                      goto nla_put_failure;
+-              if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, time))
+-                      goto nla_put_failure;
+-      }
++      if ((chan->flags & IEEE80211_CHAN_RADAR) &&
++          nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
++              goto nla_put_failure;
+       if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
+           nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
+               goto nla_put_failure;
+@@ -900,9 +893,6 @@ static int nl80211_put_iface_combination
+                   nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
+                               c->max_interfaces))
+                       goto nla_put_failure;
+-              if (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
+-                              c->radar_detect_widths))
+-                      goto nla_put_failure;
+               nla_nest_end(msg, nl_combi);
        }
--      return memcmp(a->bssid, b->bssid, ETH_ALEN);
-+      return compare_ether_addr(a->bssid, b->bssid);
- }
- static int cmp_bss(struct cfg80211_bss *a,
---- a/drivers/net/wireless/ath/ath9k/Kconfig
-+++ b/drivers/net/wireless/ath/ath9k/Kconfig
-@@ -81,6 +81,14 @@ config ATH9K_DFS_CERTIFIED
-         developed. At this point enabling this option won't do anything
-         except increase code size.
-+config ATH9K_MAC_DEBUG
-+      bool "Atheros MAC statistics"
-+      depends on ATH9K_DEBUGFS
-+      default y
-+      ---help---
-+        This option enables collection of statistics for Rx/Tx status
-+        data and some other MAC related statistics
-+
- config ATH9K_RATE_CONTROL
-       bool "Atheros ath9k rate control"
-       depends on ATH9K
---- a/drivers/net/wireless/ath/ath9k/debug.c
-+++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -818,6 +818,7 @@ void ath_debug_stat_tx(struct ath_softc 
-       if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
-               TX_STAT_INC(qnum, delim_underrun);
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-       spin_lock(&sc->debug.samp_lock);
-       TX_SAMP_DBG(jiffies) = jiffies;
-       TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
-@@ -844,6 +845,7 @@ void ath_debug_stat_tx(struct ath_softc 
-       sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
-       spin_unlock(&sc->debug.samp_lock);
-+#endif
- #undef TX_SAMP_DBG
+@@ -914,48 +904,6 @@ nla_put_failure:
+       return -ENOBUFS;
  }
-@@ -942,27 +944,6 @@ static ssize_t read_file_recv(struct fil
-       PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
-       len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-CTL0",
--                      sc->debug.stats.rxstats.rs_rssi_ctl0);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-CTL1",
--                      sc->debug.stats.rxstats.rs_rssi_ctl1);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-CTL2",
--                      sc->debug.stats.rxstats.rs_rssi_ctl2);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-EXT0",
--                      sc->debug.stats.rxstats.rs_rssi_ext0);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-EXT1",
--                      sc->debug.stats.rxstats.rs_rssi_ext1);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-EXT2",
--                      sc->debug.stats.rxstats.rs_rssi_ext2);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "Rx Antenna",
--                      sc->debug.stats.rxstats.rs_antenna);
--      len += snprintf(buf + len, size - len,
-                       "%22s : %10u\n", "RX-Pkts-All",
-                       sc->debug.stats.rxstats.rx_pkts_all);
-       len += snprintf(buf + len, size - len,
-@@ -1009,16 +990,7 @@ void ath_debug_stat_rx(struct ath_softc 
-                       RX_PHY_ERR_INC(rs->rs_phyerr);
-       }
  
--      sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
--      sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
--      sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
+-#ifdef CONFIG_PM
+-static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
+-                                      struct sk_buff *msg)
+-{
+-      const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan.tcp;
+-      struct nlattr *nl_tcp;
+-
+-      if (!tcp)
+-              return 0;
 -
--      sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
--      sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
--      sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
+-      nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
+-      if (!nl_tcp)
+-              return -ENOBUFS;
 -
--      sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
+-      if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
+-                      tcp->data_payload_max))
+-              return -ENOBUFS;
 -
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-       spin_lock(&sc->debug.samp_lock);
-       RX_SAMP_DBG(jiffies) = jiffies;
-       RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
-@@ -1035,6 +1007,8 @@ void ath_debug_stat_rx(struct ath_softc 
-       sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
-       spin_unlock(&sc->debug.samp_lock);
+-      if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
+-                      tcp->data_payload_max))
+-              return -ENOBUFS;
+-
+-      if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
+-              return -ENOBUFS;
+-
+-      if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
+-                              sizeof(*tcp->tok), tcp->tok))
+-              return -ENOBUFS;
+-
+-      if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
+-                      tcp->data_interval_max))
+-              return -ENOBUFS;
+-
+-      if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
+-                      tcp->wake_payload_max))
+-              return -ENOBUFS;
+-
+-      nla_nest_end(msg, nl_tcp);
+-      return 0;
+-}
+-#endif
+-
+ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags,
+                             struct cfg80211_registered_device *dev)
+ {
+@@ -1330,9 +1278,6 @@ static int nl80211_send_wiphy(struct sk_
+                               goto nla_put_failure;
+               }
  
-+#endif
-+
- #undef RX_STAT_INC
- #undef RX_PHY_ERR_INC
- #undef RX_SAMP_DBG
-@@ -1278,6 +1252,8 @@ static const struct file_operations fops
-       .llseek = default_llseek,
- };
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-+
- void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
+-              if (nl80211_send_wowlan_tcp_caps(dev, msg))
+-                      goto nla_put_failure;
+-
+               nla_nest_end(msg, nl_wowlan);
+       }
+ #endif
+--- a/net/mac80211/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -3285,13 +3285,19 @@ static int ieee80211_cfg_get_channel(str
+                                    struct cfg80211_chan_def *chandef)
  {
- #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
-@@ -1551,6 +1527,7 @@ static const struct file_operations fops
-       .llseek = default_llseek,
};
+       struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
++      struct ieee80211_local *local = wiphy_priv(wiphy);
+       struct ieee80211_chanctx_conf *chanctx_conf;
      int ret = -ENODATA;
  
-+#endif
+       rcu_read_lock();
+-      chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+-      if (chanctx_conf) {
+-              *chandef = chanctx_conf->def;
++      if (local->use_chanctx) {
++              chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
++              if (chanctx_conf) {
++                      *chandef = chanctx_conf->def;
++                      ret = 0;
++              }
++      } else if (local->open_count == local->monitors) {
++              *chandef = local->monitor_chandef;
+               ret = 0;
+       }
+       rcu_read_unlock();
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1463,7 +1463,9 @@ static bool ath9k_hw_chip_reset(struct a
+                       reset_type = ATH9K_RESET_POWER_ON;
+               else
+                       reset_type = ATH9K_RESET_COLD;
+-      }
++      } else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) ||
++                 (REG_READ(ah, AR_CR) & AR_CR_RXE))
++              reset_type = ATH9K_RESET_COLD;
  
- int ath9k_init_debug(struct ath_hw *ah)
- {
-@@ -1604,8 +1581,10 @@ int ath9k_init_debug(struct ath_hw *ah)
-                           &fops_base_eeprom);
-       debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_modal_eeprom);
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-       debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_samps);
+       if (!ath9k_hw_set_reset_reg(ah, reset_type))
+               return false;
+--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
++++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
+@@ -1236,8 +1236,10 @@ static inline void rt2x00lib_set_if_comb
+        */
+       if_limit = &rt2x00dev->if_limits_ap;
+       if_limit->max = rt2x00dev->ops->max_ap_intf;
+-      if_limit->types = BIT(NL80211_IFTYPE_AP) |
+-                      BIT(NL80211_IFTYPE_MESH_POINT);
++      if_limit->types = BIT(NL80211_IFTYPE_AP);
++#ifdef CONFIG_MAC80211_MESH
++      if_limit->types |= BIT(NL80211_IFTYPE_MESH_POINT);
 +#endif
  
-       debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
-                          sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
---- a/drivers/net/wireless/ath/ath9k/debug.h
-+++ b/drivers/net/wireless/ath/ath9k/debug.h
-@@ -165,13 +165,6 @@ struct ath_rx_stats {
-       u32 post_delim_crc_err;
-       u32 decrypt_busy_err;
-       u32 phy_err_stats[ATH9K_PHYERR_MAX];
--      int8_t rs_rssi_ctl0;
--      int8_t rs_rssi_ctl1;
--      int8_t rs_rssi_ctl2;
--      int8_t rs_rssi_ext0;
--      int8_t rs_rssi_ext1;
--      int8_t rs_rssi_ext2;
--      u8 rs_antenna;
- };
- enum ath_reset_type {
-@@ -235,16 +228,17 @@ struct ath9k_debug {
-       struct dentry *debugfs_phy;
-       u32 regidx;
-       struct ath_stats stats;
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-       spinlock_t samp_lock;
-       struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES];
-       u8 sampidx;
-       u8 tsidx;
-       u8 rsidx;
+       /*
+        * Build up AP interface combinations structure.
+@@ -1309,7 +1311,9 @@ int rt2x00lib_probe_dev(struct rt2x00_de
+               rt2x00dev->hw->wiphy->interface_modes |=
+                   BIT(NL80211_IFTYPE_ADHOC) |
+                   BIT(NL80211_IFTYPE_AP) |
++#ifdef CONFIG_MAC80211_MESH
+                   BIT(NL80211_IFTYPE_MESH_POINT) |
 +#endif
- };
- int ath9k_init_debug(struct ath_hw *ah);
--void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
- void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
- void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
-                      struct ath_tx_status *ts, struct ath_txq *txq,
-@@ -258,10 +252,6 @@ static inline int ath9k_init_debug(struc
-       return 0;
+                   BIT(NL80211_IFTYPE_WDS);
+       rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+--- a/net/mac80211/rc80211_minstrel_ht.c
++++ b/net/mac80211/rc80211_minstrel_ht.c
+@@ -26,11 +26,11 @@
+ /* Number of symbols for a packet with (bps) bits per symbol */
+ #define MCS_NSYMS(bps) ((MCS_NBITS + (bps) - 1) / (bps))
+-/* Transmission time for a packet containing (syms) symbols */
++/* Transmission time (nanoseconds) for a packet containing (syms) symbols */
+ #define MCS_SYMBOL_TIME(sgi, syms)                                    \
+       (sgi ?                                                          \
+-        ((syms) * 18 + 4) / 5 :       /* syms * 3.6 us */             \
+-        (syms) << 2                   /* syms * 4 us */               \
++        ((syms) * 18000 + 4000) / 5 : /* syms * 3.6 us */             \
++        ((syms) * 1000) << 2          /* syms * 4 us */               \
+       )
+ /* Transmit duration for the raw data part of an average sized packet */
+@@ -64,9 +64,9 @@
  }
  
--static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
--{
--}
--
- static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
-                                           enum ath9k_int status)
+ #define CCK_DURATION(_bitrate, _short, _len)          \
+-      (10 /* SIFS */ +                                \
++      (1000 * (10 /* SIFS */ +                        \
+        (_short ? 72 + 24 : 144 + 48 ) +               \
+-       (8 * (_len + 4) * 10) / (_bitrate))
++       (8 * (_len + 4) * 10) / (_bitrate)))
+ #define CCK_ACK_DURATION(_bitrate, _short)                    \
+       (CCK_DURATION((_bitrate > 10 ? 20 : 10), false, 60) +   \
+@@ -211,7 +211,8 @@ static void
+ minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate)
  {
-@@ -282,4 +272,17 @@ static inline void ath_debug_stat_rx(str
+       struct minstrel_rate_stats *mr;
+-      unsigned int usecs = 0;
++      unsigned int nsecs = 0;
++      unsigned int tp;
  
- #endif /* CONFIG_ATH9K_DEBUGFS */
+       mr = &mi->groups[group].rates[rate];
  
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-+
-+void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
-+
-+#else
-+
-+static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
-+{
-+}
-+
-+#endif
-+
-+
- #endif /* DEBUG_H */
---- a/drivers/net/wireless/ath/ath9k/init.c
-+++ b/drivers/net/wireless/ath/ath9k/init.c
-@@ -555,9 +555,11 @@ static int ath9k_init_softc(u16 devid, s
-       mutex_init(&sc->mutex);
- #ifdef CONFIG_ATH9K_DEBUGFS
-       spin_lock_init(&sc->nodes_lock);
--      spin_lock_init(&sc->debug.samp_lock);
-       INIT_LIST_HEAD(&sc->nodes);
- #endif
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-+      spin_lock_init(&sc->debug.samp_lock);
-+#endif
-       tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
-       tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
-                    (unsigned long)sc);
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1386,10 +1386,16 @@ static bool ath9k_hw_set_reset_reg(struc
- static bool ath9k_hw_chip_reset(struct ath_hw *ah,
-                               struct ath9k_channel *chan)
- {
--      if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
--              if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
--                      return false;
--      } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
-+      int reset_type = ATH9K_RESET_WARM;
-+
-+      if (AR_SREV_9280(ah)) {
-+              if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
-+                      reset_type = ATH9K_RESET_POWER_ON;
-+              else
-+                      reset_type = ATH9K_RESET_COLD;
-+      }
-+
-+      if (!ath9k_hw_set_reset_reg(ah, reset_type))
-               return false;
+@@ -221,10 +222,12 @@ minstrel_ht_calc_tp(struct minstrel_ht_s
+       }
  
-       if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
---- a/drivers/net/wireless/ath/ath5k/base.c
-+++ b/drivers/net/wireless/ath/ath5k/base.c
-@@ -2330,15 +2330,6 @@ ath5k_calibrate_work(struct work_struct 
-                                       "got new rfgain, resetting\n");
-                       ieee80211_queue_work(ah->hw, &ah->reset_work);
-               }
--
--              /* TODO: On full calibration we should stop TX here,
--               * so that it doesn't interfere (mostly due to gain_f
--               * calibration that messes with tx packets -see phy.c).
--               *
--               * NOTE: Stopping the queues from above is not enough
--               * to stop TX but saves us from disconecting (at least
--               * we don't lose packets). */
--              ieee80211_stop_queues(ah->hw);
-       } else
-               ah->ah_cal_mask |= AR5K_CALIBRATION_SHORT;
-@@ -2353,10 +2344,9 @@ ath5k_calibrate_work(struct work_struct 
-                               ah->curchan->center_freq));
-       /* Clear calibration flags */
--      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
--              ieee80211_wake_queues(ah->hw);
-+      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL)
-               ah->ah_cal_mask &= ~AR5K_CALIBRATION_FULL;
--      } else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
-+      else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
-               ah->ah_cal_mask &= ~AR5K_CALIBRATION_SHORT;
+       if (group != MINSTREL_CCK_GROUP)
+-              usecs = mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
++              nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
+-      usecs += minstrel_mcs_groups[group].duration[rate];
+-      mr->cur_tp = MINSTREL_TRUNC((1000000 / usecs) * mr->probability);
++      nsecs += minstrel_mcs_groups[group].duration[rate];
++      tp = 1000000 * ((mr->probability * 1000) / nsecs);
++
++      mr->cur_tp = MINSTREL_TRUNC(tp);
  }
  
---- a/drivers/net/wireless/ath/ath5k/phy.c
-+++ b/drivers/net/wireless/ath/ath5k/phy.c
-@@ -1871,31 +1871,15 @@ ath5k_hw_phy_calibrate(struct ath5k_hw *
-               ret = 0;
+ /*
+@@ -308,8 +311,8 @@ minstrel_ht_update_stats(struct minstrel
+               }
        }
  
--      /* On full calibration do an AGC calibration and
--       * request a PAPD probe for gainf calibration if
--       * needed */
--      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
-+      /* On full calibration request a PAPD probe for
-+       * gainf calibration if needed */
-+      if ((ah->ah_cal_mask & AR5K_CALIBRATION_FULL) &&
-+          (ah->ah_radio == AR5K_RF5111 ||
-+           ah->ah_radio == AR5K_RF5112) &&
-+          channel->hw_value != AR5K_MODE_11B)
-+              ath5k_hw_request_rfgain_probe(ah);
--              AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
--                                      AR5K_PHY_AGCCTL_CAL);
--
--              ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
--                      AR5K_PHY_AGCCTL_CAL | AR5K_PHY_AGCCTL_NF,
--                      0, false);
--              if (ret) {
--                      ATH5K_ERR(ah,
--                              "gain calibration timeout (%uMHz)\n",
--                              channel->center_freq);
+-      /* try to sample up to half of the available rates during each interval */
+-      mi->sample_count *= 4;
++      /* try to sample all available rates during each interval */
++      mi->sample_count *= 8;
+       cur_prob = 0;
+       cur_prob_tp = 0;
+@@ -320,20 +323,13 @@ minstrel_ht_update_stats(struct minstrel
+               if (!mg->supported)
+                       continue;
+-              mr = minstrel_get_ratestats(mi, mg->max_prob_rate);
+-              if (cur_prob_tp < mr->cur_tp &&
+-                  minstrel_mcs_groups[group].streams == 1) {
+-                      mi->max_prob_rate = mg->max_prob_rate;
+-                      cur_prob = mr->cur_prob;
+-                      cur_prob_tp = mr->cur_tp;
 -              }
 -
--              if ((ah->ah_radio == AR5K_RF5111 ||
--                      ah->ah_radio == AR5K_RF5112)
--                      && (channel->hw_value != AR5K_MODE_11B))
--                      ath5k_hw_request_rfgain_probe(ah);
--      }
--
--      /* Update noise floor
--       * XXX: Only do this after AGC calibration */
-+      /* Update noise floor */
-       if (!(ah->ah_cal_mask & AR5K_CALIBRATION_NF))
-               ath5k_hw_update_noise_floor(ah);
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -232,7 +232,6 @@ static void ath_rx_edma_cleanup(struct a
- static void ath_rx_edma_init_queue(struct ath_rx_edma *rx_edma, int size)
- {
-       skb_queue_head_init(&rx_edma->rx_fifo);
--      skb_queue_head_init(&rx_edma->rx_buffers);
-       rx_edma->rx_fifo_hwsize = size;
- }
-@@ -658,7 +657,9 @@ static void ath_rx_ps(struct ath_softc *
- }
+               mr = minstrel_get_ratestats(mi, mg->max_tp_rate);
+               if (cur_tp < mr->cur_tp) {
+                       mi->max_tp_rate2 = mi->max_tp_rate;
+                       cur_tp2 = cur_tp;
+                       mi->max_tp_rate = mg->max_tp_rate;
+                       cur_tp = mr->cur_tp;
++                      mi->max_prob_streams = minstrel_mcs_groups[group].streams - 1;
+               }
  
- static bool ath_edma_get_buffers(struct ath_softc *sc,
--                               enum ath9k_rx_qtype qtype)
-+                               enum ath9k_rx_qtype qtype,
-+                               struct ath_rx_status *rs,
-+                               struct ath_buf **dest)
- {
-       struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
-       struct ath_hw *ah = sc->sc_ah;
-@@ -677,7 +678,7 @@ static bool ath_edma_get_buffers(struct 
-       dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
-                               common->rx_bufsize, DMA_FROM_DEVICE);
--      ret = ath9k_hw_process_rxdesc_edma(ah, NULL, skb->data);
-+      ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data);
-       if (ret == -EINPROGRESS) {
-               /*let device gain the buffer again*/
-               dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
-@@ -690,20 +691,21 @@ static bool ath_edma_get_buffers(struct 
-               /* corrupt descriptor, skip this one and the following one */
-               list_add_tail(&bf->list, &sc->rx.rxbuf);
-               ath_rx_edma_buf_link(sc, qtype);
--              skb = skb_peek(&rx_edma->rx_fifo);
--              if (!skb)
--                      return true;
--              bf = SKB_CB_ATHBUF(skb);
--              BUG_ON(!bf);
-+              skb = skb_peek(&rx_edma->rx_fifo);
-+              if (skb) {
-+                      bf = SKB_CB_ATHBUF(skb);
-+                      BUG_ON(!bf);
--              __skb_unlink(skb, &rx_edma->rx_fifo);
--              list_add_tail(&bf->list, &sc->rx.rxbuf);
--              ath_rx_edma_buf_link(sc, qtype);
--              return true;
-+                      __skb_unlink(skb, &rx_edma->rx_fifo);
-+                      list_add_tail(&bf->list, &sc->rx.rxbuf);
-+                      ath_rx_edma_buf_link(sc, qtype);
-+              } else {
-+                      bf = NULL;
-+              }
+               mr = minstrel_get_ratestats(mi, mg->max_tp_rate2);
+@@ -343,6 +339,23 @@ minstrel_ht_update_stats(struct minstrel
+               }
        }
--      skb_queue_tail(&rx_edma->rx_buffers, skb);
-+      *dest = bf;
-       return true;
- }
  
-@@ -711,18 +713,15 @@ static struct ath_buf *ath_edma_get_next
-                                               struct ath_rx_status *rs,
-                                               enum ath9k_rx_qtype qtype)
- {
--      struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
--      struct sk_buff *skb;
--      struct ath_buf *bf;
-+      struct ath_buf *bf = NULL;
--      while (ath_edma_get_buffers(sc, qtype));
--      skb = __skb_dequeue(&rx_edma->rx_buffers);
--      if (!skb)
--              return NULL;
-+      while (ath_edma_get_buffers(sc, qtype, rs, &bf)) {
-+              if (!bf)
++      if (mi->max_prob_streams < 1)
++              mi->max_prob_streams = 1;
++
++      for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
++              mg = &mi->groups[group];
++              if (!mg->supported)
 +                      continue;
--      bf = SKB_CB_ATHBUF(skb);
--      ath9k_hw_process_rxdesc_edma(sc->sc_ah, rs, skb->data);
--      return bf;
-+              return bf;
++              mr = minstrel_get_ratestats(mi, mg->max_prob_rate);
++              if (cur_prob_tp < mr->cur_tp &&
++                  minstrel_mcs_groups[group].streams <= mi->max_prob_streams) {
++                      mi->max_prob_rate = mg->max_prob_rate;
++                      cur_prob = mr->cur_prob;
++                      cur_prob_tp = mr->cur_tp;
++              }
 +      }
-+      return NULL;
++
++
+       mi->stats_update = jiffies;
  }
  
- static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
-@@ -954,6 +953,7 @@ static void ath9k_process_rssi(struct at
-       struct ath_softc *sc = hw->priv;
-       struct ath_hw *ah = common->ah;
-       int last_rssi;
-+      int rssi = rx_stats->rs_rssi;
-       if (!rx_stats->is_mybeacon ||
-           ((ah->opmode != NL80211_IFTYPE_STATION) &&
-@@ -965,13 +965,12 @@ static void ath9k_process_rssi(struct at
-       last_rssi = sc->last_rssi;
-       if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
--              rx_stats->rs_rssi = ATH_EP_RND(last_rssi,
--                                            ATH_RSSI_EP_MULTIPLIER);
--      if (rx_stats->rs_rssi < 0)
--              rx_stats->rs_rssi = 0;
-+              rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER);
-+      if (rssi < 0)
-+              rssi = 0;
-       /* Update Beacon RSSI, this is used by ANI. */
--      ah->stats.avgbrssi = rx_stats->rs_rssi;
-+      ah->stats.avgbrssi = rssi;
- }
+@@ -467,7 +480,7 @@ minstrel_ht_tx_status(void *priv, struct
  
- /*
-@@ -988,8 +987,6 @@ static int ath9k_rx_skb_preprocess(struc
+       if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) {
+               mi->sample_wait = 16 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
+-              mi->sample_tries = 2;
++              mi->sample_tries = 1;
+               mi->sample_count--;
+       }
+@@ -536,7 +549,7 @@ minstrel_calc_retransmit(struct minstrel
+       mr->retry_updated = true;
+       group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
+-      tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len;
++      tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len / 1000;
+       /* Contention time for first 2 tries */
+       ctime = (t_slot * cw) >> 1;
+@@ -616,6 +629,7 @@ minstrel_get_sample_rate(struct minstrel
  {
-       struct ath_hw *ah = common->ah;
+       struct minstrel_rate_stats *mr;
+       struct minstrel_mcs_group_data *mg;
++      unsigned int sample_dur, sample_group;
+       int sample_idx = 0;
+       if (mi->sample_wait > 0) {
+@@ -626,11 +640,11 @@ minstrel_get_sample_rate(struct minstrel
+       if (!mi->sample_tries)
+               return -1;
+-      mi->sample_tries--;
+       mg = &mi->groups[mi->sample_group];
+       sample_idx = sample_table[mg->column][mg->index];
+       mr = &mg->rates[sample_idx];
+-      sample_idx += mi->sample_group * MCS_GROUP_RATES;
++      sample_group = mi->sample_group;
++      sample_idx += sample_group * MCS_GROUP_RATES;
+       minstrel_next_sample_idx(mi);
  
--      memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
--
        /*
-        * everything but the rate is checked here, the rate check is done
-        * separately to avoid doing two lookups for a rate for each frame.
-@@ -1011,6 +1008,8 @@ static int ath9k_rx_skb_preprocess(struc
-       rx_status->signal = ah->noise + rx_stats->rs_rssi;
-       rx_status->antenna = rx_stats->rs_antenna;
-       rx_status->flag |= RX_FLAG_MACTIME_MPDU;
-+      if (rx_stats->rs_moreaggr)
-+              rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
-       return 0;
- }
-@@ -1845,6 +1844,8 @@ int ath_rx_tasklet(struct ath_softc *sc,
-               if (sc->sc_flags & SC_OP_RXFLUSH)
-                       goto requeue_drop_frag;
+@@ -651,14 +665,18 @@ minstrel_get_sample_rate(struct minstrel
+        * Make sure that lower rates get sampled only occasionally,
+        * if the link is working perfectly.
+        */
+-      if (minstrel_get_duration(sample_idx) >
+-          minstrel_get_duration(mi->max_tp_rate)) {
++      sample_dur = minstrel_get_duration(sample_idx);
++      if (sample_dur >= minstrel_get_duration(mi->max_tp_rate2) &&
++          (mi->max_prob_streams <
++           minstrel_mcs_groups[sample_group].streams ||
++           sample_dur >= minstrel_get_duration(mi->max_prob_rate))) {
+               if (mr->sample_skipped < 20)
+                       return -1;
  
-+              memset(rxs, 0, sizeof(struct ieee80211_rx_status));
-+
-               rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
-               if (rs.rs_tstamp > tsf_lower &&
-                   unlikely(rs.rs_tstamp - tsf_lower > 0x10000000))
---- a/drivers/net/wireless/ath/ath9k/beacon.c
-+++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -91,7 +91,7 @@ static void ath_beacon_setup(struct ath_
-       info.txpower = MAX_RATE_POWER;
-       info.keyix = ATH9K_TXKEYIX_INVALID;
-       info.keytype = ATH9K_KEY_TYPE_CLEAR;
--      info.flags = ATH9K_TXDESC_NOACK;
-+      info.flags = ATH9K_TXDESC_NOACK | ATH9K_TXDESC_INTREQ;
-       info.buf_addr[0] = bf->bf_buf_addr;
-       info.buf_len[0] = roundup(skb->len, 4);
-@@ -355,7 +355,6 @@ void ath_beacon_tasklet(unsigned long da
-       struct ath_common *common = ath9k_hw_common(ah);
-       struct ath_buf *bf = NULL;
-       struct ieee80211_vif *vif;
--      struct ath_tx_status ts;
-       bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
-       int slot;
-       u32 bfaddr, bc = 0;
-@@ -462,11 +461,6 @@ void ath_beacon_tasklet(unsigned long da
-                       ath9k_hw_txstart(ah, sc->beacon.beaconq);
-               sc->beacon.ast_be_xmit += bc;     /* XXX per-vif? */
--              if (edma) {
--                      spin_lock_bh(&sc->sc_pcu_lock);
--                      ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
--                      spin_unlock_bh(&sc->sc_pcu_lock);
--              }
+               if (mi->sample_slow++ > 2)
+                       return -1;
        }
- }
++      mi->sample_tries--;
  
---- a/drivers/net/wireless/ath/ath9k/mac.c
-+++ b/drivers/net/wireless/ath/ath9k/mac.c
-@@ -745,7 +745,11 @@ int ath9k_hw_beaconq_setup(struct ath_hw
-       qi.tqi_aifs = 1;
-       qi.tqi_cwmin = 0;
-       qi.tqi_cwmax = 0;
--      /* NB: don't enable any interrupts */
-+
-+      if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-+              qi.tqi_qflags = TXQ_FLAG_TXOKINT_ENABLE |
-+                              TXQ_FLAG_TXERRINT_ENABLE;
-+
-       return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
+       return sample_idx;
  }
- EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc *
-       if (--sc->ps_usecount != 0)
-               goto unlock;
--      if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
-+      if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
-+              goto unlock;
-+
-+      if (sc->ps_idle)
-               mode = ATH9K_PM_FULL_SLEEP;
-       else if (sc->ps_enabled &&
-                !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
-                             PS_WAIT_FOR_CAB |
--                            PS_WAIT_FOR_PSPOLL_DATA |
--                            PS_WAIT_FOR_TX_ACK)))
-+                            PS_WAIT_FOR_PSPOLL_DATA)))
-               mode = ATH9K_PM_NETWORK_SLEEP;
-       else
-               goto unlock;
-@@ -1559,6 +1561,7 @@ static int ath9k_config(struct ieee80211
-       struct ath_hw *ah = sc->sc_ah;
-       struct ath_common *common = ath9k_hw_common(ah);
-       struct ieee80211_conf *conf = &hw->conf;
-+      bool reset_channel = false;
-       ath9k_ps_wakeup(sc);
-       mutex_lock(&sc->mutex);
-@@ -1567,6 +1570,12 @@ static int ath9k_config(struct ieee80211
-               sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
-               if (sc->ps_idle)
-                       ath_cancel_work(sc);
-+              else
-+                      /*
-+                       * The chip needs a reset to properly wake up from
-+                       * full sleep
-+                       */
-+                      reset_channel = ah->chip_fullsleep;
+--- a/net/mac80211/rc80211_minstrel_ht.h
++++ b/net/mac80211/rc80211_minstrel_ht.h
+@@ -85,6 +85,7 @@ struct minstrel_ht_sta {
+       /* best probability rate */
+       unsigned int max_prob_rate;
++      unsigned int max_prob_streams;
+       /* time of last status update */
+       unsigned long stats_update;
+--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+@@ -1023,6 +1023,7 @@ static bool ar9003_hw_init_cal(struct at
+                                         AR_PHY_AGC_CONTROL_FLTR_CAL   |
+                                         AR_PHY_AGC_CONTROL_PKDET_CAL;
++      /* Use chip chainmask only for calibration */
+       ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
+       if (rtt) {
+@@ -1150,6 +1151,9 @@ skip_tx_iqcal:
+               ar9003_hw_rtt_disable(ah);
        }
  
-       /*
-@@ -1595,7 +1604,7 @@ static int ath9k_config(struct ieee80211
-               }
-       }
++      /* Revert chainmask to runtime parameters */
++      ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
++
+       /* Initialize list pointers */
+       ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
  
--      if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
-+      if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
-               struct ieee80211_channel *curchan = hw->conf.channel;
-               int pos = curchan->hw_value;
-               int old_pos = -1;
-@@ -1955,6 +1964,7 @@ static void ath9k_config_bss(struct ath_
-               sc->sc_flags &= ~SC_OP_ANI_RUN;
-               del_timer_sync(&common->ani.timer);
-               memset(&sc->caldata, 0, sizeof(sc->caldata));
-+              ath9k_hw_ani_init(sc->sc_ah);
-       }
- }
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+@@ -3606,6 +3606,12 @@ static void ar9003_hw_ant_ctrl_apply(str
+       value = ar9003_hw_ant_ctrl_common_2_get(ah, is2ghz);
+       REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2, AR_SWITCH_TABLE_COM2_ALL, value);
  
-@@ -2300,6 +2310,7 @@ static int ath9k_tx_last_beacon(struct i
-       struct ath_vif *avp;
-       struct ath_buf *bf;
-       struct ath_tx_status ts;
-+      bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
-       int status;
-       vif = sc->beacon.bslot[0];
-@@ -2310,7 +2321,7 @@ static int ath9k_tx_last_beacon(struct i
-       if (!avp->is_bslot_active)
-               return 0;
--      if (!sc->beacon.tx_processed) {
-+      if (!sc->beacon.tx_processed && !edma) {
-               tasklet_disable(&sc->bcon_tasklet);
-               bf = avp->av_bcbuf;
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -2296,9 +2296,12 @@ void ath_tx_edma_tasklet(struct ath_soft
-                       break;
++      if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {
++              value = ar9003_hw_ant_ctrl_chain_get(ah, 1, is2ghz);
++              REG_RMW_FIELD(ah, switch_chain_reg[0],
++                            AR_SWITCH_TABLE_ALL, value);
++      }
++
+       for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+               if ((ah->rxchainmask & BIT(chain)) ||
+                   (ah->txchainmask & BIT(chain))) {
+@@ -3772,6 +3778,17 @@ static void ar9003_hw_atten_apply(struct
+                                         AR_PHY_EXT_ATTEN_CTL_2,
+                                        };
++      if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {
++              value = ar9003_hw_atten_chain_get(ah, 1, chan);
++              REG_RMW_FIELD(ah, ext_atten_reg[0],
++                            AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
++
++              value = ar9003_hw_atten_chain_get_margin(ah, 1, chan);
++              REG_RMW_FIELD(ah, ext_atten_reg[0],
++                            AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,
++                            value);
++      }
++
+       /* Test value. if 0 then attenuation is unused. Don't load anything. */
+       for (i = 0; i < 3; i++) {
+               if (ah->txchainmask & BIT(i)) {
+--- a/drivers/net/wireless/ath/ath9k/link.c
++++ b/drivers/net/wireless/ath/ath9k/link.c
+@@ -28,21 +28,21 @@ void ath_tx_complete_poll_work(struct wo
+       int i;
+       bool needreset = false;
+-      for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+-              if (ATH_TXQ_SETUP(sc, i)) {
+-                      txq = &sc->tx.txq[i];
+-                      ath_txq_lock(sc, txq);
+-                      if (txq->axq_depth) {
+-                              if (txq->axq_tx_inprogress) {
+-                                      needreset = true;
+-                                      ath_txq_unlock(sc, txq);
+-                                      break;
+-                              } else {
+-                                      txq->axq_tx_inprogress = true;
+-                              }
++      for (i = 0; i < IEEE80211_NUM_ACS; i++) {
++              txq = sc->tx.txq_map[i];
++
++              ath_txq_lock(sc, txq);
++              if (txq->axq_depth) {
++                      if (txq->axq_tx_inprogress) {
++                              needreset = true;
++                              ath_txq_unlock(sc, txq);
++                              break;
++                      } else {
++                              txq->axq_tx_inprogress = true;
+                       }
+-                      ath_txq_unlock_complete(sc, txq);
                }
++              ath_txq_unlock_complete(sc, txq);
++      }
  
--              /* Skip beacon completions */
--              if (ts.qid == sc->beacon.beaconq)
-+              /* Process beacon completions separately */
-+              if (ts.qid == sc->beacon.beaconq) {
-+                      sc->beacon.tx_processed = true;
-+                      sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK);
-                       continue;
-+              }
+       if (needreset) {
+               ath_dbg(ath9k_hw_common(sc->sc_ah), RESET,
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -766,6 +766,7 @@ int __must_check __sta_info_destroy(stru
+       struct ieee80211_local *local;
+       struct ieee80211_sub_if_data *sdata;
+       int ret, i;
++      bool have_key = false;
+       might_sleep();
+@@ -793,12 +794,19 @@ int __must_check __sta_info_destroy(stru
+       list_del_rcu(&sta->list);
+       mutex_lock(&local->key_mtx);
+-      for (i = 0; i < NUM_DEFAULT_KEYS; i++)
++      for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+               __ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i]));
+-      if (sta->ptk)
++              have_key = true;
++      }
++      if (sta->ptk) {
+               __ieee80211_key_free(key_mtx_dereference(local, sta->ptk));
++              have_key = true;
++      }
+       mutex_unlock(&local->key_mtx);
  
-               txq = &sc->tx.txq[ts.qid];
---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -299,7 +299,6 @@ struct ath_tx {
- struct ath_rx_edma {
-       struct sk_buff_head rx_fifo;
--      struct sk_buff_head rx_buffers;
-       u32 rx_fifo_hwsize;
- };
---- a/drivers/net/wireless/ath/ath9k/ani.c
-+++ b/drivers/net/wireless/ath/ath9k/ani.c
-@@ -46,8 +46,8 @@ static const struct ani_ofdm_level_entry
-       {  5,  4,  1  }, /* lvl 5 */
-       {  6,  5,  1  }, /* lvl 6 */
-       {  7,  6,  1  }, /* lvl 7 */
--      {  7,  7,  1  }, /* lvl 8 */
--      {  7,  8,  0  }  /* lvl 9 */
-+      {  7,  6,  0  }, /* lvl 8 */
-+      {  7,  7,  0  }  /* lvl 9 */
- };
- #define ATH9K_ANI_OFDM_NUM_LEVEL \
-       ARRAY_SIZE(ofdm_level_table)
-@@ -91,8 +91,8 @@ static const struct ani_cck_level_entry 
-       {  4,  0  }, /* lvl 4 */
-       {  5,  0  }, /* lvl 5 */
-       {  6,  0  }, /* lvl 6 */
--      {  7,  0  }, /* lvl 7 (only for high rssi) */
--      {  8,  0  }  /* lvl 8 (only for high rssi) */
-+      {  6,  0  }, /* lvl 7 (only for high rssi) */
-+      {  7,  0  }  /* lvl 8 (only for high rssi) */
- };
- #define ATH9K_ANI_CCK_NUM_LEVEL \
-@@ -290,16 +290,9 @@ static void ath9k_hw_set_ofdm_nil(struct
-                                    ATH9K_ANI_FIRSTEP_LEVEL,
-                                    entry_ofdm->fir_step_level);
--      if ((ah->opmode != NL80211_IFTYPE_STATION &&
--           ah->opmode != NL80211_IFTYPE_ADHOC) ||
--          aniState->noiseFloor <= aniState->rssiThrHigh) {
--              if (aniState->ofdmWeakSigDetectOff)
--                      /* force on ofdm weak sig detect */
--                      ath9k_hw_ani_control(ah,
--                              ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
--                                           true);
--              else if (aniState->ofdmWeakSigDetectOff ==
--                       entry_ofdm->ofdm_weak_signal_on)
-+      if ((aniState->noiseFloor >= aniState->rssiThrHigh) &&
-+          (aniState->ofdmWeakSigDetectOff !=
-+           entry_ofdm->ofdm_weak_signal_on)) {
-                       ath9k_hw_ani_control(ah,
-                               ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
-                               entry_ofdm->ofdm_weak_signal_on);
-@@ -717,26 +710,30 @@ void ath9k_hw_ani_monitor(struct ath_hw 
-               ofdmPhyErrRate, aniState->cckNoiseImmunityLevel,
-               cckPhyErrRate, aniState->ofdmsTurn);
--      if (aniState->listenTime > 5 * ah->aniperiod) {
--              if (ofdmPhyErrRate <= ah->config.ofdm_trig_low &&
--                  cckPhyErrRate <= ah->config.cck_trig_low) {
-+      if (aniState->listenTime > ah->aniperiod) {
-+              if (cckPhyErrRate < ah->config.cck_trig_low &&
-+                  ((ofdmPhyErrRate < ah->config.ofdm_trig_low &&
-+                    aniState->ofdmNoiseImmunityLevel <
-+                    ATH9K_ANI_OFDM_DEF_LEVEL) ||
-+                   (ofdmPhyErrRate < ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI &&
-+                    aniState->ofdmNoiseImmunityLevel >=
-+                    ATH9K_ANI_OFDM_DEF_LEVEL))) {
-                       ath9k_hw_ani_lower_immunity(ah);
-                       aniState->ofdmsTurn = !aniState->ofdmsTurn;
--              }
--              ath9k_ani_restart(ah);
--      } else if (aniState->listenTime > ah->aniperiod) {
--              /* check to see if need to raise immunity */
--              if (ofdmPhyErrRate > ah->config.ofdm_trig_high &&
--                  (cckPhyErrRate <= ah->config.cck_trig_high ||
--                   aniState->ofdmsTurn)) {
-+              } else if ((ofdmPhyErrRate > ah->config.ofdm_trig_high &&
-+                          aniState->ofdmNoiseImmunityLevel >=
-+                          ATH9K_ANI_OFDM_DEF_LEVEL) ||
-+                         (ofdmPhyErrRate >
-+                          ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI &&
-+                          aniState->ofdmNoiseImmunityLevel <
-+                          ATH9K_ANI_OFDM_DEF_LEVEL)) {
-                       ath9k_hw_ani_ofdm_err_trigger(ah);
--                      ath9k_ani_restart(ah);
-                       aniState->ofdmsTurn = false;
-               } else if (cckPhyErrRate > ah->config.cck_trig_high) {
-                       ath9k_hw_ani_cck_err_trigger(ah);
--                      ath9k_ani_restart(ah);
-                       aniState->ofdmsTurn = true;
-               }
-+              ath9k_ani_restart(ah);
-       }
- }
- EXPORT_SYMBOL(ath9k_hw_ani_monitor);
-@@ -911,3 +908,4 @@ void ath9k_hw_ani_init(struct ath_hw *ah
-       ath9k_ani_restart(ah);
-       ath9k_enable_mib_counters(ah);
- }
-+EXPORT_SYMBOL(ath9k_hw_ani_init);
---- a/drivers/net/wireless/ath/ath9k/ani.h
-+++ b/drivers/net/wireless/ath/ath9k/ani.h
-@@ -25,11 +25,13 @@
- /* units are errors per second */
- #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD      500
--#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      1000
-+#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      3500
-+#define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
- /* units are errors per second */
- #define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
- #define ATH9K_ANI_OFDM_TRIG_LOW_NEW       400
-+#define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
- /* units are errors per second */
- #define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
-@@ -53,7 +55,7 @@
- #define ATH9K_ANI_RSSI_THR_LOW            7
- #define ATH9K_ANI_PERIOD_OLD              100
--#define ATH9K_ANI_PERIOD_NEW              1000
-+#define ATH9K_ANI_PERIOD_NEW              300
- /* in ms */
- #define ATH9K_ANI_POLLINTERVAL_OLD        100
---- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
-@@ -1056,46 +1056,8 @@ static bool ar5008_hw_ani_control_old(st
-               break;
-       }
-       case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
--              static const int m1ThreshLow[] = { 127, 50 };
--              static const int m2ThreshLow[] = { 127, 40 };
--              static const int m1Thresh[] = { 127, 0x4d };
--              static const int m2Thresh[] = { 127, 0x40 };
--              static const int m2CountThr[] = { 31, 16 };
--              static const int m2CountThrLow[] = { 63, 48 };
-               u32 on = param ? 1 : 0;
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
--                            m1ThreshLow[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
--                            m2ThreshLow[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M1_THRESH,
--                            m1Thresh[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M2_THRESH,
--                            m2Thresh[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M2COUNT_THR,
--                            m2CountThr[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
--                            m2CountThrLow[on]);
--
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
--                            m1ThreshLow[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
--                            m2ThreshLow[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M1_THRESH,
--                            m1Thresh[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M2_THRESH,
--                            m2Thresh[on]);
--
-               if (on)
-                       REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
-                                   AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-@@ -824,55 +824,6 @@ static bool ar9003_hw_ani_control(struct
-                * on == 0 means more noise imm
-                */
-               u32 on = param ? 1 : 0;
--              /*
--               * make register setting for default
--               * (weak sig detect ON) come from INI file
--               */
--              int m1ThreshLow = on ?
--                      aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
--              int m2ThreshLow = on ?
--                      aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
--              int m1Thresh = on ?
--                      aniState->iniDef.m1Thresh : m1Thresh_off;
--              int m2Thresh = on ?
--                      aniState->iniDef.m2Thresh : m2Thresh_off;
--              int m2CountThr = on ?
--                      aniState->iniDef.m2CountThr : m2CountThr_off;
--              int m2CountThrLow = on ?
--                      aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
--              int m1ThreshLowExt = on ?
--                      aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
--              int m2ThreshLowExt = on ?
--                      aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
--              int m1ThreshExt = on ?
--                      aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
--              int m2ThreshExt = on ?
--                      aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
--
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
--                            m1ThreshLow);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
--                            m2ThreshLow);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M1_THRESH, m1Thresh);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M2_THRESH, m2Thresh);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
--                            m2CountThrLow);
--
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
-               if (on)
-                       REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
---- a/drivers/net/wireless/rt2x00/rt2x00dev.c
-+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
-@@ -430,10 +430,14 @@ void rt2x00lib_txdone(struct queue_entry
-       /*
-        * If the data queue was below the threshold before the txdone
-        * handler we must make sure the packet queue in the mac80211 stack
--       * is reenabled when the txdone handler has finished.
-+       * is reenabled when the txdone handler has finished. This has to be
-+       * serialized with rt2x00mac_tx(), otherwise we can wake up queue
-+       * before it was stopped.
-        */
-+      spin_lock_bh(&entry->queue->tx_lock);
-       if (!rt2x00queue_threshold(entry->queue))
-               rt2x00queue_unpause_queue(entry->queue);
-+      spin_unlock_bh(&entry->queue->tx_lock);
- }
- EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
---- a/drivers/net/wireless/rt2x00/rt2x00mac.c
-+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
-@@ -152,13 +152,22 @@ void rt2x00mac_tx(struct ieee80211_hw *h
-       if (unlikely(rt2x00queue_write_tx_frame(queue, skb, false)))
-               goto exit_fail;
-+      /*
-+       * Pausing queue has to be serialized with rt2x00lib_txdone(). Note
-+       * we should not use spin_lock_bh variant as bottom halve was already
-+       * disabled before ieee80211_xmit() call.
-+       */
-+      spin_lock(&queue->tx_lock);
-       if (rt2x00queue_threshold(queue))
-               rt2x00queue_pause_queue(queue);
-+      spin_unlock(&queue->tx_lock);
-       return;
-  exit_fail:
-+      spin_lock(&queue->tx_lock);
-       rt2x00queue_pause_queue(queue);
-+      spin_unlock(&queue->tx_lock);
-  exit_free_skb:
-       ieee80211_free_txskb(hw, skb);
- }
---- a/drivers/net/wireless/rt2x00/rt2x00queue.c
-+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
-@@ -619,6 +619,9 @@ int rt2x00queue_write_tx_frame(struct da
-       else if (test_bit(REQUIRE_DMA, &queue->rt2x00dev->cap_flags))
-               rt2x00queue_align_frame(skb);
-+      /*
-+       * That function must be called with bh disabled.
-+       */
-       spin_lock(&queue->tx_lock);
-       if (unlikely(rt2x00queue_full(queue))) {
++      if (!have_key)
++              synchronize_net();
++
+       sta->dead = true;
+       local->num_sta--;