mac80211: merge a fix for a race condition on station removal
[openwrt/svn-archive/archive.git] / package / mac80211 / patches / 300-pending_work.patch
index 753bf0bbb8674ddfafef785512e111c02ca3eccb..72a0081c1603b3a01fc2034f2e5d1eb428b5ec82 100644 (file)
---- a/drivers/net/wireless/rt2x00/rt2800lib.c
-+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
-@@ -5090,7 +5090,8 @@ static int rt2800_probe_hw_mode(struct r
-           IEEE80211_HW_SUPPORTS_PS |
-           IEEE80211_HW_PS_NULLFUNC_STACK |
-           IEEE80211_HW_AMPDU_AGGREGATION |
--          IEEE80211_HW_REPORTS_TX_ACK_STATUS;
-+          IEEE80211_HW_REPORTS_TX_ACK_STATUS |
-+          IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL;
+--- 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)
  
-       /*
-        * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
---- a/drivers/net/wireless/rt2x00/rt2x00dev.c
-+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
-@@ -392,10 +392,9 @@ void rt2x00lib_txdone(struct queue_entry
-               tx_info->flags |= IEEE80211_TX_STAT_AMPDU;
-               tx_info->status.ampdu_len = 1;
-               tx_info->status.ampdu_ack_len = success ? 1 : 0;
--              /*
--               * TODO: Need to tear down BA session here
--               * if not successful.
--               */
-+
-+              if (!success)
-+                      tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
-       }
+-#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 (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
---- a/include/net/mac80211.h
-+++ b/include/net/mac80211.h
-@@ -1369,6 +1369,10 @@ struct ieee80211_tx_control {
-  * @IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF: Use the P2P Device address for any
-  *    P2P Interface. This will be honoured even if more than one interface
-  *    is supported.
-+ *
-+ * @IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL: On this hardware TX BA session
-+ *    should be tear down once BAR frame will not be acked.
-+ *
-  */
- enum ieee80211_hw_flags {
-       IEEE80211_HW_HAS_RATE_CONTROL                   = 1<<0,
-@@ -1397,6 +1401,7 @@ enum ieee80211_hw_flags {
-       IEEE80211_HW_TX_AMPDU_SETUP_IN_HW               = 1<<23,
-       IEEE80211_HW_SCAN_WHILE_IDLE                    = 1<<24,
-       IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF              = 1<<25,
-+      IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL          = 1<<26,
- };
+       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);
  
  /**
+  * 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
-@@ -203,6 +203,8 @@ 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);
-@@ -460,6 +461,7 @@ 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 &&
        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%s%s",
                            TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
                            TEST(PS_DRIVER), TEST(AUTHORIZED),
                            TEST(SHORT_PREAMBLE),
                            TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
                            TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
                            TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
---- a/net/mac80211/ibss.c
-+++ b/net/mac80211/ibss.c
-@@ -201,6 +201,20 @@ static void __ieee80211_sta_join_ibss(st
-       bss_change |= BSS_CHANGED_BASIC_RATES;
-       bss_change |= BSS_CHANGED_HT;
-       bss_change |= BSS_CHANGED_IBSS;
-+
-+      /*
-+       * In 5 GHz/802.11a, we can always use short slot time.
-+       * (IEEE 802.11-2012 18.3.8.7)
-+       *
-+       * In 2.4GHz, we must always use long slots in IBSS for compatibility
-+       * reasons.
-+       * (IEEE 802.11-2012 19.4.5)
-+       *
-+       * HT follows these specifications (IEEE 802.11-2012 20.3.18)
-+       */
-+      sdata->vif.bss_conf.use_short_slot = chan->band == IEEE80211_BAND_5GHZ;
-+      bss_change |= BSS_CHANGED_ERP_SLOT;
-+
-       sdata->vif.bss_conf.ibss_joined = true;
-       sdata->vif.bss_conf.ibss_creator = creator;
-       ieee80211_bss_info_change_notify(sdata, bss_change);
 --- a/net/mac80211/iface.c
 +++ b/net/mac80211/iface.c
-@@ -510,7 +510,6 @@ int ieee80211_do_open(struct wireless_de
+@@ -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;
        u32 changed = 0;
        int res;
        u32 hw_reconf_flags = 0;
-@@ -665,30 +664,8 @@ int ieee80211_do_open(struct wireless_de
+@@ -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);
  
  
        /*
         * set_multicast_list will be invoked by the networking core
-@@ -1072,6 +1049,72 @@ static void ieee80211_if_setup(struct ne
+@@ -817,6 +797,9 @@ static void ieee80211_do_stop(struct iee
+               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;
  }
  
 +
 +      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);
  static void ieee80211_iface_work(struct work_struct *work)
  {
        struct ieee80211_sub_if_data *sdata =
-@@ -1176,6 +1219,9 @@ 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
-@@ -378,9 +378,6 @@ ieee80211_rx_monitor(struct ieee80211_lo
-        * the SKB because it has a bad FCS/PLCP checksum.
-        */
--      /* room for the radiotap header based on driver features */
--      needed_headroom = ieee80211_rx_radiotap_space(local, status);
--
-       if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
-               present_fcs_len = FCS_LEN;
-@@ -399,6 +396,9 @@ ieee80211_rx_monitor(struct ieee80211_lo
-               return remove_monitor_info(local, origskb);
-       }
-+      /* room for the radiotap header based on driver features */
-+      needed_headroom = ieee80211_rx_radiotap_space(local, status);
-+
-       if (should_drop_frame(origskb, present_fcs_len)) {
-               /* only need to expand headroom if necessary */
-               skb = origskb;
-@@ -2333,7 +2333,8 @@ ieee80211_rx_h_action(struct ieee80211_r
-       if (len < IEEE80211_MIN_ACTION_SIZE)
-               return RX_DROP_UNUSABLE;
--      if (!rx->sta && mgmt->u.action.category != WLAN_CATEGORY_PUBLIC)
-+      if (!rx->sta && mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
-+          mgmt->u.action.category != WLAN_CATEGORY_SELF_PROTECTED)
-               return RX_DROP_UNUSABLE;
-       if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))
-@@ -2349,6 +2350,7 @@ 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;
  
-@@ -2625,14 +2627,15 @@ 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):
-@@ -2957,10 +2960,16 @@ static int prepare_for_handlers(struct i
+@@ -3028,10 +3030,16 @@ static int prepare_for_handlers(struct i
                }
                break;
        case NL80211_IFTYPE_WDS:
   * @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.
-@@ -64,7 +63,6 @@ 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,
---- a/net/mac80211/status.c
-+++ b/net/mac80211/status.c
-@@ -502,7 +502,11 @@ void ieee80211_tx_status(struct ieee8021
-                                      IEEE80211_BAR_CTRL_TID_INFO_MASK) >>
-                                     IEEE80211_BAR_CTRL_TID_INFO_SHIFT;
--                              ieee80211_set_bar_pending(sta, tid, ssn);
-+                              if (local->hw.flags &
-+                                  IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL)
-+                                      ieee80211_stop_tx_ba_session(&sta->sta, tid);
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -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
-+                                      ieee80211_set_bar_pending(sta, tid, ssn);
++                                      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_irqrestore(&local->queue_stop_reason_lock, flags);
+@@ -1848,9 +1854,24 @@ netdev_tx_t ieee80211_subif_start_xmit(s
+               }
+               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);
                }
  
---- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
-@@ -534,98 +534,98 @@ static const u32 ar9300_2p2_baseband_cor
- static const u32 ar9300Modes_high_power_tx_gain_table_2p2[][5] = {
-       /* Addr      5G_HT20     5G_HT40     2G_HT40     2G_HT20   */
--      {0x0000a2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352},
--      {0x0000a2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584},
--      {0x0000a2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800},
-+      {0x0000a2dc, 0x0380c7fc, 0x0380c7fc, 0x03aaa352, 0x03aaa352},
-+      {0x0000a2e0, 0x0000f800, 0x0000f800, 0x03ccc584, 0x03ccc584},
-+      {0x0000a2e4, 0x03ff0000, 0x03ff0000, 0x03f0f800, 0x03f0f800},
-       {0x0000a2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000},
--      {0x0000a410, 0x000050d9, 0x000050d9, 0x000050d9, 0x000050d9},
--      {0x0000a500, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
--      {0x0000a504, 0x06000003, 0x06000003, 0x04000002, 0x04000002},
--      {0x0000a508, 0x0a000020, 0x0a000020, 0x08000004, 0x08000004},
--      {0x0000a50c, 0x10000023, 0x10000023, 0x0b000200, 0x0b000200},
--      {0x0000a510, 0x16000220, 0x16000220, 0x0f000202, 0x0f000202},
--      {0x0000a514, 0x1c000223, 0x1c000223, 0x12000400, 0x12000400},
--      {0x0000a518, 0x21002220, 0x21002220, 0x16000402, 0x16000402},
--      {0x0000a51c, 0x27002223, 0x27002223, 0x19000404, 0x19000404},
--      {0x0000a520, 0x2b022220, 0x2b022220, 0x1c000603, 0x1c000603},
--      {0x0000a524, 0x2f022222, 0x2f022222, 0x21000a02, 0x21000a02},
--      {0x0000a528, 0x34022225, 0x34022225, 0x25000a04, 0x25000a04},
--      {0x0000a52c, 0x3a02222a, 0x3a02222a, 0x28000a20, 0x28000a20},
--      {0x0000a530, 0x3e02222c, 0x3e02222c, 0x2c000e20, 0x2c000e20},
--      {0x0000a534, 0x4202242a, 0x4202242a, 0x30000e22, 0x30000e22},
--      {0x0000a538, 0x4702244a, 0x4702244a, 0x34000e24, 0x34000e24},
--      {0x0000a53c, 0x4b02244c, 0x4b02244c, 0x38001640, 0x38001640},
--      {0x0000a540, 0x4e02246c, 0x4e02246c, 0x3c001660, 0x3c001660},
--      {0x0000a544, 0x52022470, 0x52022470, 0x3f001861, 0x3f001861},
--      {0x0000a548, 0x55022490, 0x55022490, 0x43001a81, 0x43001a81},
--      {0x0000a54c, 0x59022492, 0x59022492, 0x47001a83, 0x47001a83},
--      {0x0000a550, 0x5d022692, 0x5d022692, 0x4a001c84, 0x4a001c84},
--      {0x0000a554, 0x61022892, 0x61022892, 0x4e001ce3, 0x4e001ce3},
--      {0x0000a558, 0x65024890, 0x65024890, 0x52001ce5, 0x52001ce5},
--      {0x0000a55c, 0x69024892, 0x69024892, 0x56001ce9, 0x56001ce9},
--      {0x0000a560, 0x6e024c92, 0x6e024c92, 0x5a001ceb, 0x5a001ceb},
--      {0x0000a564, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
--      {0x0000a568, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
--      {0x0000a56c, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
--      {0x0000a570, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
--      {0x0000a574, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
--      {0x0000a578, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
--      {0x0000a57c, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
--      {0x0000a580, 0x00800000, 0x00800000, 0x00800000, 0x00800000},
--      {0x0000a584, 0x06800003, 0x06800003, 0x04800002, 0x04800002},
--      {0x0000a588, 0x0a800020, 0x0a800020, 0x08800004, 0x08800004},
--      {0x0000a58c, 0x10800023, 0x10800023, 0x0b800200, 0x0b800200},
--      {0x0000a590, 0x16800220, 0x16800220, 0x0f800202, 0x0f800202},
--      {0x0000a594, 0x1c800223, 0x1c800223, 0x12800400, 0x12800400},
--      {0x0000a598, 0x21802220, 0x21802220, 0x16800402, 0x16800402},
--      {0x0000a59c, 0x27802223, 0x27802223, 0x19800404, 0x19800404},
--      {0x0000a5a0, 0x2b822220, 0x2b822220, 0x1c800603, 0x1c800603},
--      {0x0000a5a4, 0x2f822222, 0x2f822222, 0x21800a02, 0x21800a02},
--      {0x0000a5a8, 0x34822225, 0x34822225, 0x25800a04, 0x25800a04},
--      {0x0000a5ac, 0x3a82222a, 0x3a82222a, 0x28800a20, 0x28800a20},
--      {0x0000a5b0, 0x3e82222c, 0x3e82222c, 0x2c800e20, 0x2c800e20},
--      {0x0000a5b4, 0x4282242a, 0x4282242a, 0x30800e22, 0x30800e22},
--      {0x0000a5b8, 0x4782244a, 0x4782244a, 0x34800e24, 0x34800e24},
--      {0x0000a5bc, 0x4b82244c, 0x4b82244c, 0x38801640, 0x38801640},
--      {0x0000a5c0, 0x4e82246c, 0x4e82246c, 0x3c801660, 0x3c801660},
--      {0x0000a5c4, 0x52822470, 0x52822470, 0x3f801861, 0x3f801861},
--      {0x0000a5c8, 0x55822490, 0x55822490, 0x43801a81, 0x43801a81},
--      {0x0000a5cc, 0x59822492, 0x59822492, 0x47801a83, 0x47801a83},
--      {0x0000a5d0, 0x5d822692, 0x5d822692, 0x4a801c84, 0x4a801c84},
--      {0x0000a5d4, 0x61822892, 0x61822892, 0x4e801ce3, 0x4e801ce3},
--      {0x0000a5d8, 0x65824890, 0x65824890, 0x52801ce5, 0x52801ce5},
--      {0x0000a5dc, 0x69824892, 0x69824892, 0x56801ce9, 0x56801ce9},
--      {0x0000a5e0, 0x6e824c92, 0x6e824c92, 0x5a801ceb, 0x5a801ceb},
--      {0x0000a5e4, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
--      {0x0000a5e8, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
--      {0x0000a5ec, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
--      {0x0000a5f0, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
--      {0x0000a5f4, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
--      {0x0000a5f8, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
--      {0x0000a5fc, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
-+      {0x0000a410, 0x000050d8, 0x000050d8, 0x000050d9, 0x000050d9},
-+      {0x0000a500, 0x00002220, 0x00002220, 0x00000000, 0x00000000},
-+      {0x0000a504, 0x04002222, 0x04002222, 0x04000002, 0x04000002},
-+      {0x0000a508, 0x09002421, 0x09002421, 0x08000004, 0x08000004},
-+      {0x0000a50c, 0x0d002621, 0x0d002621, 0x0b000200, 0x0b000200},
-+      {0x0000a510, 0x13004620, 0x13004620, 0x0f000202, 0x0f000202},
-+      {0x0000a514, 0x19004a20, 0x19004a20, 0x11000400, 0x11000400},
-+      {0x0000a518, 0x1d004e20, 0x1d004e20, 0x15000402, 0x15000402},
-+      {0x0000a51c, 0x21005420, 0x21005420, 0x19000404, 0x19000404},
-+      {0x0000a520, 0x26005e20, 0x26005e20, 0x1b000603, 0x1b000603},
-+      {0x0000a524, 0x2b005e40, 0x2b005e40, 0x1f000a02, 0x1f000a02},
-+      {0x0000a528, 0x2f005e42, 0x2f005e42, 0x23000a04, 0x23000a04},
-+      {0x0000a52c, 0x33005e44, 0x33005e44, 0x26000a20, 0x26000a20},
-+      {0x0000a530, 0x38005e65, 0x38005e65, 0x2a000e20, 0x2a000e20},
-+      {0x0000a534, 0x3c005e69, 0x3c005e69, 0x2e000e22, 0x2e000e22},
-+      {0x0000a538, 0x40005e6b, 0x40005e6b, 0x31000e24, 0x31000e24},
-+      {0x0000a53c, 0x44005e6d, 0x44005e6d, 0x34001640, 0x34001640},
-+      {0x0000a540, 0x49005e72, 0x49005e72, 0x38001660, 0x38001660},
-+      {0x0000a544, 0x4e005eb2, 0x4e005eb2, 0x3b001861, 0x3b001861},
-+      {0x0000a548, 0x53005f12, 0x53005f12, 0x3e001a81, 0x3e001a81},
-+      {0x0000a54c, 0x59025eb2, 0x59025eb2, 0x42001a83, 0x42001a83},
-+      {0x0000a550, 0x5e025f12, 0x5e025f12, 0x44001c84, 0x44001c84},
-+      {0x0000a554, 0x61027f12, 0x61027f12, 0x48001ce3, 0x48001ce3},
-+      {0x0000a558, 0x6702bf12, 0x6702bf12, 0x4c001ce5, 0x4c001ce5},
-+      {0x0000a55c, 0x6b02bf14, 0x6b02bf14, 0x50001ce9, 0x50001ce9},
-+      {0x0000a560, 0x6f02bf16, 0x6f02bf16, 0x54001ceb, 0x54001ceb},
-+      {0x0000a564, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
-+      {0x0000a568, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
-+      {0x0000a56c, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
-+      {0x0000a570, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
-+      {0x0000a574, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
-+      {0x0000a578, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
-+      {0x0000a57c, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
-+      {0x0000a580, 0x00802220, 0x00802220, 0x00800000, 0x00800000},
-+      {0x0000a584, 0x04802222, 0x04802222, 0x04800002, 0x04800002},
-+      {0x0000a588, 0x09802421, 0x09802421, 0x08800004, 0x08800004},
-+      {0x0000a58c, 0x0d802621, 0x0d802621, 0x0b800200, 0x0b800200},
-+      {0x0000a590, 0x13804620, 0x13804620, 0x0f800202, 0x0f800202},
-+      {0x0000a594, 0x19804a20, 0x19804a20, 0x11800400, 0x11800400},
-+      {0x0000a598, 0x1d804e20, 0x1d804e20, 0x15800402, 0x15800402},
-+      {0x0000a59c, 0x21805420, 0x21805420, 0x19800404, 0x19800404},
-+      {0x0000a5a0, 0x26805e20, 0x26805e20, 0x1b800603, 0x1b800603},
-+      {0x0000a5a4, 0x2b805e40, 0x2b805e40, 0x1f800a02, 0x1f800a02},
-+      {0x0000a5a8, 0x2f805e42, 0x2f805e42, 0x23800a04, 0x23800a04},
-+      {0x0000a5ac, 0x33805e44, 0x33805e44, 0x26800a20, 0x26800a20},
-+      {0x0000a5b0, 0x38805e65, 0x38805e65, 0x2a800e20, 0x2a800e20},
-+      {0x0000a5b4, 0x3c805e69, 0x3c805e69, 0x2e800e22, 0x2e800e22},
-+      {0x0000a5b8, 0x40805e6b, 0x40805e6b, 0x31800e24, 0x31800e24},
-+      {0x0000a5bc, 0x44805e6d, 0x44805e6d, 0x34801640, 0x34801640},
-+      {0x0000a5c0, 0x49805e72, 0x49805e72, 0x38801660, 0x38801660},
-+      {0x0000a5c4, 0x4e805eb2, 0x4e805eb2, 0x3b801861, 0x3b801861},
-+      {0x0000a5c8, 0x53805f12, 0x53805f12, 0x3e801a81, 0x3e801a81},
-+      {0x0000a5cc, 0x59825eb2, 0x59825eb2, 0x42801a83, 0x42801a83},
-+      {0x0000a5d0, 0x5e825f12, 0x5e825f12, 0x44801c84, 0x44801c84},
-+      {0x0000a5d4, 0x61827f12, 0x61827f12, 0x48801ce3, 0x48801ce3},
-+      {0x0000a5d8, 0x6782bf12, 0x6782bf12, 0x4c801ce5, 0x4c801ce5},
-+      {0x0000a5dc, 0x6b82bf14, 0x6b82bf14, 0x50801ce9, 0x50801ce9},
-+      {0x0000a5e0, 0x6f82bf16, 0x6f82bf16, 0x54801ceb, 0x54801ceb},
-+      {0x0000a5e4, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
-+      {0x0000a5e8, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
-+      {0x0000a5ec, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
-+      {0x0000a5f0, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
-+      {0x0000a5f4, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
-+      {0x0000a5f8, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
-+      {0x0000a5fc, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
-       {0x0000a600, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
-       {0x0000a604, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
-       {0x0000a608, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
-       {0x0000a60c, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
--      {0x0000a610, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
--      {0x0000a614, 0x02004000, 0x02004000, 0x01404000, 0x01404000},
--      {0x0000a618, 0x02004801, 0x02004801, 0x01404501, 0x01404501},
--      {0x0000a61c, 0x02808a02, 0x02808a02, 0x02008501, 0x02008501},
--      {0x0000a620, 0x0380ce03, 0x0380ce03, 0x0280ca03, 0x0280ca03},
--      {0x0000a624, 0x04411104, 0x04411104, 0x03010c04, 0x03010c04},
--      {0x0000a628, 0x04411104, 0x04411104, 0x04014c04, 0x04014c04},
--      {0x0000a62c, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
--      {0x0000a630, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
--      {0x0000a634, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
--      {0x0000a638, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
--      {0x0000a63c, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
--      {0x0000b2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352},
--      {0x0000b2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584},
--      {0x0000b2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800},
-+      {0x0000a610, 0x00804000, 0x00804000, 0x00000000, 0x00000000},
-+      {0x0000a614, 0x00804201, 0x00804201, 0x01404000, 0x01404000},
-+      {0x0000a618, 0x0280c802, 0x0280c802, 0x01404501, 0x01404501},
-+      {0x0000a61c, 0x0280ca03, 0x0280ca03, 0x02008501, 0x02008501},
-+      {0x0000a620, 0x04c15104, 0x04c15104, 0x0280ca03, 0x0280ca03},
-+      {0x0000a624, 0x04c15305, 0x04c15305, 0x03010c04, 0x03010c04},
-+      {0x0000a628, 0x04c15305, 0x04c15305, 0x04014c04, 0x04014c04},
-+      {0x0000a62c, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
-+      {0x0000a630, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
-+      {0x0000a634, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
-+      {0x0000a638, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
-+      {0x0000a63c, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
-+      {0x0000b2dc, 0x0380c7fc, 0x0380c7fc, 0x03aaa352, 0x03aaa352},
-+      {0x0000b2e0, 0x0000f800, 0x0000f800, 0x03ccc584, 0x03ccc584},
-+      {0x0000b2e4, 0x03ff0000, 0x03ff0000, 0x03f0f800, 0x03f0f800},
-       {0x0000b2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000},
--      {0x0000c2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352},
--      {0x0000c2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584},
--      {0x0000c2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800},
-+      {0x0000c2dc, 0x0380c7fc, 0x0380c7fc, 0x03aaa352, 0x03aaa352},
-+      {0x0000c2e0, 0x0000f800, 0x0000f800, 0x03ccc584, 0x03ccc584},
-+      {0x0000c2e4, 0x03ff0000, 0x03ff0000, 0x03f0f800, 0x03f0f800},
-       {0x0000c2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000},
-       {0x00016044, 0x012492d4, 0x012492d4, 0x012492d4, 0x012492d4},
-       {0x00016048, 0x66480001, 0x66480001, 0x66480001, 0x66480001},
---- a/drivers/net/wireless/ath/ath9k/debug.h
-+++ b/drivers/net/wireless/ath/ath9k/debug.h
-@@ -242,7 +242,7 @@ struct ath_rx_stats {
- struct ath_stats {
-       struct ath_interrupt_stats istats;
--      struct ath_tx_stats txstats[IEEE80211_NUM_ACS];
-+      struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
-       struct ath_rx_stats rxstats;
-       struct ath_dfs_stats dfs_stats;
-       u32 reset[__RESET_TYPE_MAX];
---- a/drivers/net/wireless/ath/carl9170/rx.c
-+++ b/drivers/net/wireless/ath/carl9170/rx.c
-@@ -684,7 +684,7 @@ static int carl9170_handle_mpdu(struct a
-       if (!skb)
-               return -ENOMEM;
--      memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
-+      memcpy(IEEE80211_SKB_RXCB(skb), status, sizeof(*status));
-       ieee80211_rx(ar->hw, skb);
-       return 0;
+               /*
+--- 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);
+       }
+@@ -914,48 +904,6 @@ nla_put_failure:
+       return -ENOBUFS;
  }
---- a/drivers/net/wireless/ath/ath9k/calib.c
-+++ b/drivers/net/wireless/ath/ath9k/calib.c
-@@ -69,6 +69,7 @@ s16 ath9k_hw_getchan_noise(struct ath_hw
  
-       if (chan && chan->noisefloor) {
-               s8 delta = chan->noisefloor -
-+                         ATH9K_NF_CAL_NOISE_THRESH -
-                          ath9k_hw_get_default_nf(ah, chan);
-               if (delta > 0)
-                       noise += delta;
---- a/drivers/net/wireless/ath/ath9k/calib.h
-+++ b/drivers/net/wireless/ath/ath9k/calib.h
-@@ -21,6 +21,9 @@
+-#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;
+-
+-      nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
+-      if (!nl_tcp)
+-              return -ENOBUFS;
+-
+-      if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
+-                      tcp->data_payload_max))
+-              return -ENOBUFS;
+-
+-      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;
+               }
+-              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)
+ {
+       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;
  
- #define AR_PHY_CCA_FILTERWINDOW_LENGTH          5
+       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;
+       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
+       /*
+        * 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
+                   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 @@
+ }
+ #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)
+ {
+       struct minstrel_rate_stats *mr;
+-      unsigned int usecs = 0;
++      unsigned int nsecs = 0;
++      unsigned int tp;
+       mr = &mi->groups[group].rates[rate];
+@@ -221,10 +222,12 @@ minstrel_ht_calc_tp(struct minstrel_ht_s
+       }
+       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);
+ }
+ /*
+@@ -308,8 +311,8 @@ minstrel_ht_update_stats(struct minstrel
+               }
+       }
+-      /* 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;
+-              }
+-
+               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;
+               }
+               mr = minstrel_get_ratestats(mi, mg->max_tp_rate2);
+@@ -343,6 +339,23 @@ minstrel_ht_update_stats(struct minstrel
+               }
+       }
++      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;
++              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;
++              }
++      }
++
++
+       mi->stats_update = jiffies;
+ }
+@@ -467,7 +480,7 @@ minstrel_ht_tx_status(void *priv, struct
+       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 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);
+       /*
+@@ -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;
+               if (mi->sample_slow++ > 2)
+                       return -1;
+       }
++      mi->sample_tries--;
+       return sample_idx;
+ }
+--- 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);
+       }
++      /* 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;
+--- 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);
++      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);
++      }
+       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);
  
-+/* Internal noise floor can vary by about 6db depending on the frequency */
-+#define ATH9K_NF_CAL_NOISE_THRESH             6
++      if (!have_key)
++              synchronize_net();
 +
- #define NUM_NF_READINGS       6
- #define ATH9K_NF_CAL_HIST_MAX 5
+       sta->dead = true;
  
+       local->num_sta--;