ath9k_htc: accept firmware versions newer than 1.3
[openwrt.git] / package / mac80211 / patches / 300-pending_work.patch
index 577a849..7558c3d 100644 (file)
---- a/drivers/net/wireless/ath/ath5k/base.c
-+++ b/drivers/net/wireless/ath/ath5k/base.c
-@@ -325,6 +325,8 @@ ath5k_setup_channels(struct ath5k_hw *ah
-               if (!ath5k_is_standard_channel(ch, band))
-                       continue;
+--- 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;
  
-+              channels[count].max_power = AR5K_TUNE_MAX_TXPOWER/2;
+-      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;
 +
-               count++;
-       }
++              priv->ah->stats.avgbrssi = rssi;
++      }
+       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 &&
            sdata->vif.type != NL80211_IFTYPE_ADHOC)
                return -EINVAL;
  
-@@ -869,7 +871,7 @@ void ieee80211_process_addba_resp(struct
-       } else {
-               ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR,
--                                              true);
-+                                              false);
-       }
-  out:
 --- 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%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
-@@ -420,7 +420,6 @@ int ieee80211_do_open(struct wireless_de
+@@ -78,7 +78,7 @@ void ieee80211_recalc_txpower(struct iee
+               ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER);
+ }
+-static u32 ieee80211_idle_off(struct ieee80211_local *local)
++u32 ieee80211_idle_off(struct ieee80211_local *local)
+ {
+       if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))
+               return 0;
+@@ -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;
-@@ -575,30 +574,8 @@ 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
-@@ -997,6 +974,72 @@ 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 =
-@@ -1101,6 +1144,9 @@ 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
-@@ -2279,6 +2279,7 @@ 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;
  
-@@ -2496,14 +2497,15 @@ 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):
-@@ -2827,10 +2829,16 @@ 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
-@@ -324,6 +324,75 @@ static void ieee80211_add_tx_radiotap_he
- }
-+static void ieee80211_report_used_skb(struct ieee80211_local *local,
-+                                    struct sk_buff *skb, bool dropped)
-+{
-+      struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-+      struct ieee80211_hdr *hdr = (void *)skb->data;
-+      bool acked = info->flags & IEEE80211_TX_STAT_ACK;
-+
-+      if (dropped)
-+              acked = false;
-+
-+      if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
-+              struct ieee80211_sub_if_data *sdata = NULL;
-+              struct ieee80211_sub_if_data *iter_sdata;
-+              u64 cookie = (unsigned long)skb;
-+
-+              rcu_read_lock();
-+
-+              if (skb->dev) {
-+                      list_for_each_entry_rcu(iter_sdata, &local->interfaces,
-+                                              list) {
-+                              if (!iter_sdata->dev)
-+                                      continue;
-+
-+                              if (skb->dev == iter_sdata->dev) {
-+                                      sdata = iter_sdata;
-+                                      break;
+--- 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 {
-+                      sdata = rcu_dereference(local->p2p_sdata);
-+              }
++                      } else {
 +
-+              if (!sdata)
-+                      skb->dev = NULL;
-+              else if (ieee80211_is_nullfunc(hdr->frame_control) ||
-+                       ieee80211_is_qos_nullfunc(hdr->frame_control)) {
-+                      cfg80211_probe_status(sdata->dev, hdr->addr1,
-+                                            cookie, acked, GFP_ATOMIC);
-+              } else {
-+                      cfg80211_mgmt_tx_status(&sdata->wdev, cookie, skb->data,
-+                                              skb->len, acked, GFP_ATOMIC);
-+              }
+                               /*
+-                               * 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]);
 +
-+              rcu_read_unlock();
-+      }
++                              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;
 +
-+      if (unlikely(info->ack_frame_id)) {
-+              struct sk_buff *ack_skb;
-+              unsigned long flags;
-+
-+              spin_lock_irqsave(&local->ack_status_lock, flags);
-+              ack_skb = idr_find(&local->ack_status_frames,
-+                                 info->ack_frame_id);
-+              if (ack_skb)
-+                      idr_remove(&local->ack_status_frames,
-+                                 info->ack_frame_id);
-+              spin_unlock_irqrestore(&local->ack_status_lock, flags);
-+
-+              if (ack_skb) {
-+                      if (!dropped) {
-+                              /* consumes ack_skb */
-+                              skb_complete_wifi_ack(ack_skb, acked);
-+                      } else {
-+                              dev_kfree_skb_any(ack_skb);
+                       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;
 +                      }
-+              }
-+      }
-+}
 +
- /*
-  * Use a static threshold for now, best value to be determined
-  * by testing ...
-@@ -515,50 +584,7 @@ void ieee80211_tx_status(struct ieee8021
-                                       msecs_to_jiffies(10));
++                      if (mpp_lookup)
+                               mppath = mpp_path_lookup(sdata, skb->data);
++
++                      if (mppath && mpath)
++                              mesh_path_del(mpath->sdata, mpath->dst);
+               }
+               /*
+--- 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;
+ }
  
--      if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
--              u64 cookie = (unsigned long)skb;
--              acked = info->flags & IEEE80211_TX_STAT_ACK;
+-#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 (ieee80211_is_nullfunc(hdr->frame_control) ||
--                  ieee80211_is_qos_nullfunc(hdr->frame_control)) {
--                      cfg80211_probe_status(skb->dev, hdr->addr1,
--                                            cookie, acked, GFP_ATOMIC);
--              } else if (skb->dev) {
--                      cfg80211_mgmt_tx_status(
--                              skb->dev->ieee80211_ptr, cookie, skb->data,
--                              skb->len, acked, GFP_ATOMIC);
--              } else {
--                      struct ieee80211_sub_if_data *p2p_sdata;
+-      if (!tcp)
+-              return 0;
 -
--                      rcu_read_lock();
+-      nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
+-      if (!nl_tcp)
+-              return -ENOBUFS;
 -
--                      p2p_sdata = rcu_dereference(local->p2p_sdata);
--                      if (p2p_sdata) {
--                              cfg80211_mgmt_tx_status(
--                                      &p2p_sdata->wdev, cookie, skb->data,
--                                      skb->len, acked, GFP_ATOMIC);
--                      }
--                      rcu_read_unlock();
--              }
--      }
+-      if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
+-                      tcp->data_payload_max))
+-              return -ENOBUFS;
 -
--      if (unlikely(info->ack_frame_id)) {
--              struct sk_buff *ack_skb;
--              unsigned long flags;
+-      if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
+-                      tcp->data_payload_max))
+-              return -ENOBUFS;
 -
--              spin_lock_irqsave(&local->ack_status_lock, flags);
--              ack_skb = idr_find(&local->ack_status_frames,
--                                 info->ack_frame_id);
--              if (ack_skb)
--                      idr_remove(&local->ack_status_frames,
--                                 info->ack_frame_id);
--              spin_unlock_irqrestore(&local->ack_status_lock, flags);
+-      if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
+-              return -ENOBUFS;
 -
--              /* consumes ack_skb */
--              if (ack_skb)
--                      skb_complete_wifi_ack(ack_skb,
--                              info->flags & IEEE80211_TX_STAT_ACK);
--      }
-+      ieee80211_report_used_skb(local, skb, false);
-       /* this was a transmitted frame, but now we want to reuse it */
-       skb_orphan(skb);
-@@ -634,25 +660,8 @@ EXPORT_SYMBOL(ieee80211_report_low_ack);
- void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
- {
-       struct ieee80211_local *local = hw_to_local(hw);
--      struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+-      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 (unlikely(info->ack_frame_id)) {
--              struct sk_buff *ack_skb;
--              unsigned long flags;
+-      if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
+-                      tcp->wake_payload_max))
+-              return -ENOBUFS;
 -
--              spin_lock_irqsave(&local->ack_status_lock, flags);
--              ack_skb = idr_find(&local->ack_status_frames,
--                                 info->ack_frame_id);
--              if (ack_skb)
--                      idr_remove(&local->ack_status_frames,
--                                 info->ack_frame_id);
--              spin_unlock_irqrestore(&local->ack_status_lock, flags);
+-      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;
 -
--              /* consumes ack_skb */
--              if (ack_skb)
--                      dev_kfree_skb_any(ack_skb);
+               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;
+       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;
  
-+      ieee80211_report_used_skb(local, skb, true);
-       dev_kfree_skb_any(skb);
+       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 @@
  }
- EXPORT_SYMBOL(ieee80211_free_txskb);
---- a/drivers/net/wireless/p54/main.c
-+++ b/drivers/net/wireless/p54/main.c
-@@ -139,6 +139,7 @@ static int p54_beacon_format_ie_tim(stru
- static int p54_beacon_update(struct p54_common *priv,
-                       struct ieee80211_vif *vif)
+ #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) +   \
+@@ -211,20 +211,32 @@ static void
+ minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate)
  {
-+      struct ieee80211_tx_control control = { };
-       struct sk_buff *beacon;
-       int ret;
+       struct minstrel_rate_stats *mr;
+-      unsigned int usecs = 0;
++      unsigned int nsecs = 0;
++      unsigned int tp;
++      unsigned int prob;
  
-@@ -158,7 +159,7 @@ static int p54_beacon_update(struct p54_
-        * to cancel the old beacon template by hand, instead the firmware
-        * will release the previous one through the feedback mechanism.
-        */
--      p54_tx_80211(priv->hw, NULL, beacon);
-+      p54_tx_80211(priv->hw, &control, beacon);
-       priv->tsf_high32 = 0;
-       priv->tsf_low32 = 0;
---- a/net/wireless/reg.c
-+++ b/net/wireless/reg.c
-@@ -352,6 +352,9 @@ static void reg_regdb_search(struct work
-       struct reg_regdb_search_request *request;
-       const struct ieee80211_regdomain *curdom, *regdom;
-       int i, r;
-+      bool set_reg = false;
-+
-+      mutex_lock(&cfg80211_mutex);
-       mutex_lock(&reg_regdb_search_mutex);
-       while (!list_empty(&reg_regdb_search_list)) {
-@@ -367,9 +370,7 @@ static void reg_regdb_search(struct work
-                               r = reg_copy_regd(&regdom, curdom);
-                               if (r)
-                                       break;
--                              mutex_lock(&cfg80211_mutex);
--                              set_regdom(regdom);
--                              mutex_unlock(&cfg80211_mutex);
-+                              set_reg = true;
-                               break;
-                       }
-               }
-@@ -377,6 +378,11 @@ static void reg_regdb_search(struct work
-               kfree(request);
+       mr = &mi->groups[group].rates[rate];
++      prob = mr->probability;
+-      if (mr->probability < MINSTREL_FRAC(1, 10)) {
++      if (prob < MINSTREL_FRAC(1, 10)) {
+               mr->cur_tp = 0;
+               return;
        }
-       mutex_unlock(&reg_regdb_search_mutex);
++      /*
++       * For the throughput calculation, limit the probability value to 90% to
++       * account for collision related packet error rate fluctuation
++       */
++      if (prob > MINSTREL_FRAC(9, 10))
++              prob = MINSTREL_FRAC(9, 10);
 +
-+      if (set_reg)
-+              set_regdom(regdom);
+       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);
 +
-+      mutex_unlock(&cfg80211_mutex);
++      mr->cur_tp = MINSTREL_TRUNC(tp);
  }
  
- static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -424,8 +424,8 @@ u32 ath_calcrxfilter(struct ath_softc *s
-               rfilt |= ATH9K_RX_FILTER_COMP_BAR;
-       if (sc->nvifs > 1 || (sc->rx.rxfilter & FIF_OTHER_BSS)) {
--              /* The following may also be needed for other older chips */
--              if (sc->sc_ah->hw_version.macVersion == AR_SREV_VERSION_9160)
-+              /* This is needed for older chips */
-+              if (sc->sc_ah->hw_version.macVersion <= AR_SREV_VERSION_9160)
-                       rfilt |= ATH9K_RX_FILTER_PROM;
-               rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL;
+ /*
+@@ -308,8 +320,8 @@ minstrel_ht_update_stats(struct minstrel
+               }
        }
---- a/net/mac80211/mlme.c
-+++ b/net/mac80211/mlme.c
-@@ -818,23 +818,71 @@ void ieee80211_sta_process_chanswitch(st
- }
  
- static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
--                                      u16 capab_info, u8 *pwr_constr_elem,
--                                      u8 pwr_constr_elem_len)
-+                                      struct ieee80211_channel *channel,
-+                                      const u8 *country_ie, u8 country_ie_len,
-+                                      const u8 *pwr_constr_elem)
- {
--      struct ieee80211_conf *conf = &sdata->local->hw.conf;
-+      struct ieee80211_country_ie_triplet *triplet;
-+      int chan = ieee80211_frequency_to_channel(channel->center_freq);
-+      int i, chan_pwr, chan_increment, new_ap_level;
-+      bool have_chan_pwr = false;
--      if (!(capab_info & WLAN_CAPABILITY_SPECTRUM_MGMT))
-+      /* Invalid IE */
-+      if (country_ie_len % 2 || country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN)
-               return;
+-      /* 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;
  
--      /* Power constraint IE length should be 1 octet */
--      if (pwr_constr_elem_len != 1)
--              return;
-+      triplet = (void *)(country_ie + 3);
-+      country_ie_len -= 3;
--      if ((*pwr_constr_elem <= conf->channel->max_reg_power) &&
--          (*pwr_constr_elem != sdata->local->power_constr_level)) {
--              sdata->local->power_constr_level = *pwr_constr_elem;
--              ieee80211_hw_config(sdata->local, 0);
-+      switch (channel->band) {
-+      default:
-+              WARN_ON_ONCE(1);
-+              /* fall through */
-+      case IEEE80211_BAND_2GHZ:
-+      case IEEE80211_BAND_60GHZ:
-+              chan_increment = 1;
-+              break;
-+      case IEEE80211_BAND_5GHZ:
-+              chan_increment = 4;
-+              break;
+       cur_prob = 0;
+       cur_prob_tp = 0;
+@@ -320,20 +332,13 @@ 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 +348,23 @@ minstrel_ht_update_stats(struct minstrel
+               }
        }
++      if (mi->max_prob_streams < 1)
++              mi->max_prob_streams = 1;
 +
-+      /* find channel */
-+      while (country_ie_len >= 3) {
-+              u8 first_channel = triplet->chans.first_channel;
-+
-+              if (first_channel >= IEEE80211_COUNTRY_EXTENSION_ID)
-+                      goto next;
-+
-+              for (i = 0; i < triplet->chans.num_channels; i++) {
-+                      if (first_channel + i * chan_increment == chan) {
-+                              have_chan_pwr = true;
-+                              chan_pwr = triplet->chans.max_power;
-+                              break;
-+                      }
++      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;
 +              }
-+              if (have_chan_pwr)
-+                      break;
-+
-+ next:
-+              triplet++;
-+              country_ie_len -= 3;
 +      }
 +
-+      if (!have_chan_pwr)
-+              return;
-+
-+      new_ap_level = max_t(int, 0, chan_pwr - *pwr_constr_elem);
 +
-+      if (sdata->local->ap_power_level == new_ap_level)
-+              return;
-+
-+      sdata_info(sdata,
-+                 "Limiting TX power to %d (%d - %d) dBm as advertised by %pM\n",
-+                 new_ap_level, chan_pwr, *pwr_constr_elem,
-+                 sdata->u.mgd.bssid);
-+      sdata->local->ap_power_level = new_ap_level;
-+      ieee80211_hw_config(sdata->local, 0);
+       mi->stats_update = jiffies;
  }
  
- void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif)
-@@ -1390,7 +1438,7 @@ static void ieee80211_set_disassoc(struc
-       sta = sta_info_get(sdata, ifmgd->bssid);
-       if (sta) {
-               set_sta_flag(sta, WLAN_STA_BLOCK_BA);
--              ieee80211_sta_tear_down_BA_sessions(sta, tx);
-+              ieee80211_sta_tear_down_BA_sessions(sta, false);
+@@ -467,7 +489,7 @@ 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--;
        }
-       mutex_unlock(&local->sta_mtx);
  
-@@ -1438,7 +1486,7 @@ static void ieee80211_set_disassoc(struc
-       memset(&ifmgd->ht_capa, 0, sizeof(ifmgd->ht_capa));
-       memset(&ifmgd->ht_capa_mask, 0, sizeof(ifmgd->ht_capa_mask));
+@@ -536,7 +558,7 @@ minstrel_calc_retransmit(struct minstrel
+       mr->retry_updated = true;
  
--      local->power_constr_level = 0;
-+      local->ap_power_level = 0;
+       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;
  
-       del_timer_sync(&local->dynamic_ps_timer);
-       cancel_work_sync(&local->dynamic_ps_enable_work);
-@@ -2530,15 +2578,13 @@ static void ieee80211_rx_mgmt_beacon(str
-                                                 bssid, true);
+       /* Contention time for first 2 tries */
+       ctime = (t_slot * cw) >> 1;
+@@ -616,6 +638,7 @@ 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) {
+@@ -626,39 +649,46 @@ 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);
+       /*
+        * Sampling might add some overhead (RTS, no aggregation)
+        * to the frame. Hence, don't use sampling for the currently
+-       * used max TP rate.
++       * used rates.
+        */
+-      if (sample_idx == mi->max_tp_rate)
++      if (sample_idx == mi->max_tp_rate ||
++          sample_idx == mi->max_tp_rate2 ||
++          sample_idx == mi->max_prob_rate)
+               return -1;
++
+       /*
+-       * When not using MRR, do not sample if the probability is already
+-       * higher than 95% to avoid wasting airtime
++       * Do not sample if the probability is already higher than 95%
++       * to avoid wasting airtime.
+        */
+-      if (!mp->has_mrr && (mr->probability > MINSTREL_FRAC(95, 100)))
++      if (mr->probability > MINSTREL_FRAC(95, 100))
+               return -1;
+       /*
+        * 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--;
  
--      /* Note: country IE parsing is done for us by cfg80211 */
--      if (elems.country_elem) {
--              /* TODO: IBSS also needs this */
--              if (elems.pwr_constr_elem)
--                      ieee80211_handle_pwr_constr(sdata,
--                              le16_to_cpu(mgmt->u.probe_resp.capab_info),
--                              elems.pwr_constr_elem,
--                              elems.pwr_constr_elem_len);
--      }
-+      if (elems.country_elem && elems.pwr_constr_elem &&
-+          mgmt->u.probe_resp.capab_info &
-+                              cpu_to_le16(WLAN_CAPABILITY_SPECTRUM_MGMT))
-+              ieee80211_handle_pwr_constr(sdata, local->oper_channel,
-+                                          elems.country_elem,
-+                                          elems.country_elem_len,
-+                                          elems.pwr_constr_elem);
-       ieee80211_bss_info_change_notify(sdata, changed);
+       return sample_idx;
  }
-@@ -3526,6 +3572,7 @@ int ieee80211_mgd_deauth(struct ieee8021
- {
-       struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
-       u8 frame_buf[DEAUTH_DISASSOC_LEN];
-+      bool tx = !req->local_state_change;
-       mutex_lock(&ifmgd->mtx);
-@@ -3542,12 +3589,12 @@ int ieee80211_mgd_deauth(struct ieee8021
-       if (ifmgd->associated &&
-           ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
-               ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
--                                     req->reason_code, true, frame_buf);
-+                                     req->reason_code, tx, frame_buf);
-       } else {
-               drv_mgd_prepare_tx(sdata->local, sdata);
-               ieee80211_send_deauth_disassoc(sdata, req->bssid,
-                                              IEEE80211_STYPE_DEAUTH,
--                                             req->reason_code, true,
-+                                             req->reason_code, tx,
-                                              frame_buf);
+--- 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
-@@ -674,7 +674,7 @@ int __must_check __sta_info_destroy(stru
-        * will be sufficient.
-        */
-       set_sta_flag(sta, WLAN_STA_BLOCK_BA);
--      ieee80211_sta_tear_down_BA_sessions(sta, true);
-+      ieee80211_sta_tear_down_BA_sessions(sta, false);
-       ret = sta_info_hash_del(local, sta);
-       if (ret)
---- a/drivers/net/wireless/ath/ath5k/phy.c
-+++ b/drivers/net/wireless/ath/ath5k/phy.c
-@@ -1977,11 +1977,13 @@ ath5k_hw_set_spur_mitigation_filter(stru
-                       spur_delta_phase = (spur_offset << 18) / 25;
-                       spur_freq_sigma_delta = (spur_delta_phase >> 10);
-                       symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 2;
-+                      break;
-               case AR5K_BWMODE_5MHZ:
-                       /* Both sample_freq and chip_freq are 10MHz (?) */
-                       spur_delta_phase = (spur_offset << 19) / 25;
-                       spur_freq_sigma_delta = (spur_delta_phase >> 10);
-                       symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 4;
-+                      break;
-               default:
-                       if (channel->band == IEEE80211_BAND_5GHZ) {
-                               /* Both sample_freq and chip_freq are 40MHz */
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -1062,7 +1062,7 @@ struct ieee80211_local {
-       bool disable_dynamic_ps;
-       int user_power_level; /* in dBm */
--      int power_constr_level; /* in dBm */
-+      int ap_power_level; /* in dBm */
-       enum ieee80211_smps_mode smps_mode;
-@@ -1170,7 +1170,6 @@ struct ieee802_11_elems {
-       u8 prep_len;
-       u8 perr_len;
-       u8 country_elem_len;
--      u8 pwr_constr_elem_len;
-       u8 quiet_elem_len;
-       u8 num_of_quiet_elem;   /* can be more the one */
-       u8 timeout_int_len;
---- a/net/mac80211/util.c
-+++ b/net/mac80211/util.c
-@@ -792,8 +792,11 @@ u32 ieee802_11_parse_elems_crc(u8 *start
-                       elems->country_elem_len = elen;
-                       break;
-               case WLAN_EID_PWR_CONSTRAINT:
-+                      if (elen != 1) {
-+                              elem_parse_failed = true;
-+                              break;
-+                      }
-                       elems->pwr_constr_elem = pos;
--                      elems->pwr_constr_elem_len = elen;
-                       break;
-               case WLAN_EID_TIMEOUT_INTERVAL:
-                       elems->timeout_int = pos;
---- a/net/mac80211/main.c
-+++ b/net/mac80211/main.c
-@@ -154,13 +154,11 @@ int ieee80211_hw_config(struct ieee80211
-       if (test_bit(SCAN_SW_SCANNING, &local->scanning) ||
-           test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
--          test_bit(SCAN_HW_SCANNING, &local->scanning))
-+          test_bit(SCAN_HW_SCANNING, &local->scanning) ||
-+          !local->ap_power_level)
-               power = chan->max_power;
-       else
--              power = local->power_constr_level ?
--                      min(chan->max_power,
--                              (chan->max_reg_power  - local->power_constr_level)) :
--                      chan->max_power;
-+              power = min(chan->max_power, local->ap_power_level);
-       if (local->user_power_level >= 0)
-               power = min(power, local->user_power_level);
---- a/include/net/cfg80211.h
-+++ b/include/net/cfg80211.h
-@@ -1218,6 +1218,7 @@ struct cfg80211_deauth_request {
-       const u8 *ie;
-       size_t ie_len;
-       u16 reason_code;
-+      bool local_state_change;
- };
+@@ -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;
  
- /**
---- a/net/wireless/mlme.c
-+++ b/net/wireless/mlme.c
-@@ -457,20 +457,14 @@ int __cfg80211_mlme_deauth(struct cfg802
-               .reason_code = reason,
-               .ie = ie,
-               .ie_len = ie_len,
-+              .local_state_change = local_state_change,
-       };
-       ASSERT_WDEV_LOCK(wdev);
--      if (local_state_change) {
--              if (wdev->current_bss &&
--                  ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) {
--                      cfg80211_unhold_bss(wdev->current_bss);
--                      cfg80211_put_bss(&wdev->current_bss->pub);
--                      wdev->current_bss = NULL;
--              }
--
-+      if (local_state_change && (!wdev->current_bss ||
-+          !ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
-               return 0;
--      }
+       might_sleep();
  
-       return rdev->ops->deauth(&rdev->wiphy, dev, &req);
- }
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -386,7 +386,7 @@ static void ath_tx_complete_aggr(struct 
-       u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first;
-       u32 ba[WME_BA_BMP_SIZE >> 5];
-       int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
--      bool rc_update = true;
-+      bool rc_update = true, isba;
-       struct ieee80211_tx_rate rates[4];
-       struct ath_frame_info *fi;
-       int nframes;
-@@ -430,13 +430,17 @@ static void ath_tx_complete_aggr(struct 
-       tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
-       tid = ATH_AN_2_TID(an, tidno);
-       seq_first = tid->seq_start;
-+      isba = ts->ts_flags & ATH9K_TX_BA;
+@@ -793,12 +794,19 @@ int __must_check __sta_info_destroy(stru
+       list_del_rcu(&sta->list);
  
-       /*
-        * The hardware occasionally sends a tx status for the wrong TID.
-        * In this case, the BA status cannot be considered valid and all
-        * subframes need to be retransmitted
-+       *
-+       * Only BlockAcks have a TID and therefore normal Acks cannot be
-+       * checked
-        */
--      if (tidno != ts->tid)
-+      if (isba && tidno != ts->tid)
-               txok = false;
+       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);
  
-       isaggr = bf_isaggr(bf);
---- a/net/mac80211/cfg.c
-+++ b/net/mac80211/cfg.c
-@@ -2563,6 +2563,9 @@ static void ieee80211_mgmt_frame_registe
-               else
-                       local->probe_req_reg--;
++      if (!have_key)
++              synchronize_net();
++
+       sta->dead = true;
  
-+              if (!local->open_count)
-+                      break;
+       local->num_sta--;
+--- a/net/mac80211/chan.c
++++ b/net/mac80211/chan.c
+@@ -63,6 +63,7 @@ ieee80211_new_chanctx(struct ieee80211_l
+                     enum ieee80211_chanctx_mode mode)
+ {
+       struct ieee80211_chanctx *ctx;
++      u32 changed;
+       int err;
+       lockdep_assert_held(&local->chanctx_mtx);
+@@ -76,6 +77,13 @@ ieee80211_new_chanctx(struct ieee80211_l
+       ctx->conf.rx_chains_dynamic = 1;
+       ctx->mode = mode;
++      /* acquire mutex to prevent idle from changing */
++      mutex_lock(&local->mtx);
++      /* turn idle off *before* setting channel -- some drivers need that */
++      changed = ieee80211_idle_off(local);
++      if (changed)
++              ieee80211_hw_config(local, changed);
 +
-               ieee80211_queue_work(&local->hw, &local->reconfig_filter);
-               break;
-       default:
+       if (!local->use_chanctx) {
+               local->_oper_channel_type =
+                       cfg80211_get_chandef_type(chandef);
+@@ -85,14 +93,17 @@ ieee80211_new_chanctx(struct ieee80211_l
+               err = drv_add_chanctx(local, ctx);
+               if (err) {
+                       kfree(ctx);
+-                      return ERR_PTR(err);
++                      ctx = ERR_PTR(err);
++
++                      ieee80211_recalc_idle(local);
++                      goto out;
+               }
+       }
++      /* and keep the mutex held until the new chanctx is on the list */
+       list_add_rcu(&ctx->list, &local->chanctx_list);
+-      mutex_lock(&local->mtx);
+-      ieee80211_recalc_idle(local);
++ out:
+       mutex_unlock(&local->mtx);
+       return ctx;
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -1366,6 +1366,7 @@ int ieee80211_if_change_type(struct ieee
+                            enum nl80211_iftype type);
+ void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
+ void ieee80211_remove_interfaces(struct ieee80211_local *local);
++u32 ieee80211_idle_off(struct ieee80211_local *local);
+ void ieee80211_recalc_idle(struct ieee80211_local *local);
+ void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
+                                   const int offset);
+--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
++++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+@@ -799,7 +799,7 @@ static int ath9k_init_firmware_version(s
+        * required version.
+        */
+       if (priv->fw_version_major != MAJOR_VERSION_REQ ||
+-          priv->fw_version_minor != MINOR_VERSION_REQ) {
++          priv->fw_version_minor < MINOR_VERSION_REQ) {
+               dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n",
+                       MAJOR_VERSION_REQ, MINOR_VERSION_REQ);
+               return -EINVAL;