mac80211: refresh patches
[openwrt.git] / package / mac80211 / patches / 300-pending_work.patch
index f2e4fdb..6509869 100644 (file)
@@ -1,79 +1,81 @@
+--- 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;
++              channels[count].max_power = AR5K_TUNE_MAX_TXPOWER/2;
++
+               count++;
+       }
 --- a/net/mac80211/agg-rx.c
 +++ b/net/mac80211/agg-rx.c
-@@ -176,6 +176,8 @@ static void ieee80211_send_addba_resp(st
-               memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
-       else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+@@ -203,6 +203,8 @@ 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);
 +      else if (sdata->vif.type == NL80211_IFTYPE_WDS)
 +              memcpy(mgmt->bssid, da, ETH_ALEN);
  
        mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
                                          IEEE80211_STYPE_ACTION);
-@@ -262,7 +264,11 @@ void ieee80211_process_addba_request(str
-                               "%pM on tid %u\n",
-                               mgmt->sa, tid);
- #endif /* CONFIG_MAC80211_HT_DEBUG */
--              goto end;
-+
-+              /* delete existing Rx BA session on the same tid */
-+              ___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
-+                                              WLAN_STATUS_UNSPECIFIED_QOS,
-+                                              false);
-       }
-       /* prepare A-MPDU MLME for Rx aggregation */
 --- a/net/mac80211/agg-tx.c
 +++ b/net/mac80211/agg-tx.c
-@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request
-       memcpy(mgmt->da, da, ETH_ALEN);
+@@ -81,7 +81,8 @@ static void ieee80211_send_addba_request
        memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
        if (sdata->vif.type == NL80211_IFTYPE_AP ||
--          sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-+          sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+           sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+-          sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
++          sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
 +          sdata->vif.type == NL80211_IFTYPE_WDS)
                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);
-@@ -398,7 +399,8 @@ int ieee80211_start_tx_ba_session(struct
-        */
-       if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+@@ -460,6 +461,7 @@ 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_AP &&
-+          sdata->vif.type != NL80211_IFTYPE_WDS)
+           sdata->vif.type != NL80211_IFTYPE_AP &&
++          sdata->vif.type != NL80211_IFTYPE_WDS &&
+           sdata->vif.type != NL80211_IFTYPE_ADHOC)
                return -EINVAL;
  
-       if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
+@@ -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
-@@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil
-       char buf[100];
-       struct sta_info *sta = file->private_data;
-       u32 staflags = get_sta_flags(sta);
--      int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
-+      int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s",
-               staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
-               staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
-               staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
-@@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil
-               staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
-               staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
-               staflags & WLAN_STA_WME ? "WME\n" : "",
--              staflags & WLAN_STA_WDS ? "WDS\n" : "",
-               staflags & WLAN_STA_MFP ? "MFP\n" : "");
-       return simple_read_from_buffer(userbuf, count, ppos, buf, res);
- }
+@@ -63,11 +63,11 @@ 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",
+                           TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
+                           TEST(PS_DRIVER), TEST(AUTHORIZED),
+                           TEST(SHORT_PREAMBLE),
+-                          TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
++                          TEST(WME), TEST(CLEAR_PS_FILT),
+                           TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
+                           TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
+                           TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
 --- a/net/mac80211/iface.c
 +++ b/net/mac80211/iface.c
-@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
- {
-       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+@@ -420,7 +420,6 @@ int ieee80211_do_open(struct wireless_de
+       struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+       struct net_device *dev = wdev->netdev;
        struct ieee80211_local *local = sdata->local;
 -      struct sta_info *sta;
        u32 changed = 0;
        int res;
        u32 hw_reconf_flags = 0;
-@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_
+@@ -575,30 +574,8 @@ int ieee80211_do_open(struct wireless_de
  
        set_bit(SDATA_STATE_RUNNING, &sdata->state);
  
@@ -86,8 +88,9 @@
 -                      goto err_del_interface;
 -              }
 -
--              /* no locking required since STA is not live yet */
--              sta->flags |= WLAN_STA_AUTHORIZED;
+-              sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+-              sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+-              sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
 -
 -              res = sta_info_insert(sta);
 -              if (res) {
 -              }
 -
 -              rate_control_rate_init(sta);
+-              netif_carrier_on(dev);
+-      } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
++      if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+               rcu_assign_pointer(local->p2p_sdata, sdata);
 -      }
--
        /*
         * set_multicast_list will be invoked by the networking core
-        * which will check whether any increments here were done in
-@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
-       netif_tx_start_all_queues(dev);
-       return 0;
-- err_del_interface:
--      drv_remove_interface(local, &sdata->vif);
-+
-  err_stop:
-       if (!local->open_count)
-               drv_stop(local);
-@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
+@@ -849,7 +826,7 @@ static void ieee80211_do_stop(struct iee
+                       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+                       if (info->control.vif == &sdata->vif) {
+                               __skb_unlink(skb, &local->pending[i]);
+-                              dev_kfree_skb_irq(skb);
++                              ieee80211_free_txskb(&local->hw, skb);
+                       }
+               }
+       }
+@@ -997,6 +974,72 @@ static void ieee80211_if_setup(struct ne
        dev->destructor = free_netdev;
  }
  
 +      ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
 +                             skb->len - baselen, &elems);
 +
-+      rates = ieee80211_sta_get_rates(local, &elems, band);
++      rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
 +
 +      rcu_read_lock();
 +
 +      sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
 +
 +      if (elems.ht_cap_elem)
-+              ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
++              ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
 +                              elems.ht_cap_elem, &sta->sta.ht_cap);
 +
 +      if (elems.wmm_param)
-+              set_sta_flags(sta, WLAN_STA_WME);
++              set_sta_flag(sta, WLAN_STA_WME);
 +
 +      if (new) {
-+              sta->flags = WLAN_STA_AUTHORIZED;
++              sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
++              sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
++              sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
 +              rate_control_rate_init(sta);
 +              sta_info_insert_rcu(sta);
 +      }
  static void ieee80211_iface_work(struct work_struct *work)
  {
        struct ieee80211_sub_if_data *sdata =
-@@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct 
+@@ -1101,6 +1144,9 @@ 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
-@@ -2137,7 +2137,8 @@ ieee80211_rx_h_action(struct ieee80211_r
-                */
-               if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+@@ -2279,6 +2279,7 @@ 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_AP &&
-+                  sdata->vif.type != NL80211_IFTYPE_WDS)
+                   sdata->vif.type != NL80211_IFTYPE_AP &&
++                  sdata->vif.type != NL80211_IFTYPE_WDS &&
+                   sdata->vif.type != NL80211_IFTYPE_ADHOC)
                        break;
  
-               /* verify action_code is present */
-@@ -2335,13 +2336,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2496,14 +2497,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
  
        if (!ieee80211_vif_is_mesh(&sdata->vif) &&
            sdata->vif.type != NL80211_IFTYPE_ADHOC &&
                return RX_DROP_MONITOR;
  
        switch (stype) {
+       case cpu_to_le16(IEEE80211_STYPE_AUTH):
        case cpu_to_le16(IEEE80211_STYPE_BEACON):
        case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
 -              /* process for all: mesh, mlme, ibss */
 +              /* process for all: mesh, mlme, ibss, wds */
                break;
-       case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
-       case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
-@@ -2680,10 +2682,16 @@ static int prepare_for_handlers(struct i
+       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
                }
                break;
        case NL80211_IFTYPE_WDS:
 -              if (bssid || !ieee80211_is_data(hdr->frame_control))
 -                      return 0;
-               if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
+               if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
                        return 0;
 +
 +              if (ieee80211_is_data(hdr->frame_control) ||
 +                      return 0;
 +
                break;
-       default:
-               /* should never get here */
+       case NL80211_IFTYPE_P2P_DEVICE:
+               if (!ieee80211_is_public_action(hdr, skb->len) &&
 --- a/net/mac80211/sta_info.h
 +++ b/net/mac80211/sta_info.h
-@@ -31,7 +31,6 @@
+@@ -32,7 +32,6 @@
+  * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
   *    frames.
-  * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
   * @WLAN_STA_WME: Station is a QoS-STA.
 - * @WLAN_STA_WDS: Station is one of our WDS peers.
   * @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.
-@@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags {
-       WLAN_STA_SHORT_PREAMBLE = 1<<4,
-       WLAN_STA_ASSOC_AP       = 1<<5,
-       WLAN_STA_WME            = 1<<6,
--      WLAN_STA_WDS            = 1<<7,
-       WLAN_STA_CLEAR_PS_FILT  = 1<<9,
-       WLAN_STA_MFP            = 1<<10,
-       WLAN_STA_BLOCK_BA       = 1<<11,
---- a/drivers/net/wireless/ath/ath9k/beacon.c
-+++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -360,6 +360,7 @@ void ath_beacon_tasklet(unsigned long da
-       struct ath_common *common = ath9k_hw_common(ah);
-       struct ath_buf *bf = NULL;
-       struct ieee80211_vif *vif;
-+      struct ath_tx_status ts;
-       int slot;
-       u32 bfaddr, bc = 0;
-@@ -384,7 +385,9 @@ void ath_beacon_tasklet(unsigned long da
-                       ath_dbg(common, ATH_DBG_BSTUCK,
-                               "beacon is officially stuck\n");
-                       sc->sc_flags |= SC_OP_TSF_RESET;
-+                      spin_lock(&sc->sc_pcu_lock);
-                       ath_reset(sc, true);
-+                      spin_unlock(&sc->sc_pcu_lock);
-               }
-               return;
-@@ -464,6 +467,11 @@ void ath_beacon_tasklet(unsigned long da
-               ath9k_hw_txstart(ah, sc->beacon.beaconq);
-               sc->beacon.ast_be_xmit += bc;     /* XXX per-vif? */
-+              if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-+                      spin_lock_bh(&sc->sc_pcu_lock);
-+                      ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
-+                      spin_unlock_bh(&sc->sc_pcu_lock);
-+              }
+@@ -64,7 +63,6 @@ enum ieee80211_sta_info_flags {
+       WLAN_STA_AUTHORIZED,
+       WLAN_STA_SHORT_PREAMBLE,
+       WLAN_STA_WME,
+-      WLAN_STA_WDS,
+       WLAN_STA_CLEAR_PS_FILT,
+       WLAN_STA_MFP,
+       WLAN_STA_BLOCK_BA,
+--- a/net/mac80211/status.c
++++ b/net/mac80211/status.c
+@@ -34,7 +34,7 @@ void ieee80211_tx_status_irqsafe(struct
+               skb_queue_len(&local->skb_queue_unreliable);
+       while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
+              (skb = skb_dequeue(&local->skb_queue_unreliable))) {
+-              dev_kfree_skb_irq(skb);
++              ieee80211_free_txskb(hw, skb);
+               tmp--;
+               I802_DEBUG_INC(local->tx_status_drop);
        }
+@@ -159,7 +159,7 @@ static void ieee80211_handle_filtered_fr
+                          "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
+                          skb_queue_len(&sta->tx_filtered[ac]),
+                          !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
+-      dev_kfree_skb(skb);
++      ieee80211_free_txskb(&local->hw, skb);
  }
  
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -617,8 +617,11 @@ void ath_hw_check(struct work_struct *wo
-       ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, "
-               "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
-       if (busy >= 99) {
--              if (++sc->hw_busy_count >= 3)
-+              if (++sc->hw_busy_count >= 3) {
-+                      spin_lock_bh(&sc->sc_pcu_lock);
-                       ath_reset(sc, true);
-+                      spin_unlock_bh(&sc->sc_pcu_lock);
-+              }
-       } else if (busy >= 0)
-               sc->hw_busy_count = 0;
-@@ -637,7 +640,9 @@ static void ath_hw_pll_rx_hang_check(str
-                       /* Rx is hung for more than 500ms. Reset it */
-                       ath_dbg(common, ATH_DBG_RESET,
-                               "Possible RX hang, resetting");
-+                      spin_lock_bh(&sc->sc_pcu_lock);
-                       ath_reset(sc, true);
-+                      spin_unlock_bh(&sc->sc_pcu_lock);
-                       count = 0;
-               }
-       } else
-@@ -674,7 +679,9 @@ void ath9k_tasklet(unsigned long data)
-       if ((status & ATH9K_INT_FATAL) ||
-           (status & ATH9K_INT_BB_WATCHDOG)) {
-+              spin_lock(&sc->sc_pcu_lock);
-               ath_reset(sc, true);
-+              spin_unlock(&sc->sc_pcu_lock);
-               return;
-       }
-@@ -980,7 +987,6 @@ int ath_reset(struct ath_softc *sc, bool
-       del_timer_sync(&common->ani.timer);
+ static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)
+@@ -324,6 +324,75 @@ static void ieee80211_add_tx_radiotap_he
  
-       ath9k_ps_wakeup(sc);
--      spin_lock_bh(&sc->sc_pcu_lock);
-       ieee80211_stop_queues(hw);
+ }
  
-@@ -1023,7 +1029,6 @@ int ath_reset(struct ath_softc *sc, bool
++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;
++                              }
++                      }
++              } else {
++                      sdata = rcu_dereference(local->p2p_sdata);
++              }
++
++              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);
++              }
++
++              rcu_read_unlock();
++      }
++
++      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);
++                      }
++              }
++      }
++}
++
+ /*
+  * 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));
        }
  
-       ieee80211_wake_queues(hw);
--      spin_unlock_bh(&sc->sc_pcu_lock);
-       /* Start ANI */
-       if (!common->disable_ani)
-@@ -2326,9 +2331,9 @@ static void ath9k_flush(struct ieee80211
-       ath9k_ps_wakeup(sc);
-       spin_lock_bh(&sc->sc_pcu_lock);
-       drain_txq = ath_drain_all_txq(sc, false);
--      spin_unlock_bh(&sc->sc_pcu_lock);
-       if (!drain_txq)
-               ath_reset(sc, false);
-+      spin_unlock_bh(&sc->sc_pcu_lock);
-       ath9k_ps_restore(sc);
-       ieee80211_wake_queues(hw);
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -565,11 +565,8 @@ static void ath_tx_complete_aggr(struct 
-       rcu_read_unlock();
+-      if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
+-              u64 cookie = (unsigned long)skb;
+-              acked = info->flags & IEEE80211_TX_STAT_ACK;
+-
+-              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;
+-
+-                      rcu_read_lock();
+-
+-                      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 (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);
+-
+-              /* 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);
  
--      if (needreset) {
--              spin_unlock_bh(&sc->sc_pcu_lock);
-+      if (needreset)
-               ath_reset(sc, false);
--              spin_lock_bh(&sc->sc_pcu_lock);
+       /* this was a transmitted frame, but now we want to reuse it */
+       skb_orphan(skb);
+@@ -634,25 +660,17 @@ 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 (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);
+-
+-              /* consumes ack_skb */
+-              if (ack_skb)
+-                      dev_kfree_skb_any(ack_skb);
 -      }
++      ieee80211_report_used_skb(local, skb, true);
+       dev_kfree_skb_any(skb);
  }
+ EXPORT_SYMBOL(ieee80211_free_txskb);
++
++void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
++                            struct sk_buff_head *skbs)
++{
++      struct sk_buff *skb;
++
++      while ((skb = __skb_dequeue(skbs)))
++              ieee80211_free_txskb(hw, skb);
++}
+--- 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)
+ {
++      struct ieee80211_tx_control control = { };
+       struct sk_buff *beacon;
+       int ret;
  
- static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
-@@ -664,7 +661,8 @@ static int ath_compute_num_delims(struct
-        * TODO - this could be improved to be dependent on the rate.
-        *      The hardware can keep up at lower rates, but not higher rates
+@@ -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.
         */
--      if (fi->keyix != ATH9K_TXKEYIX_INVALID)
-+      if ((fi->keyix != ATH9K_TXKEYIX_INVALID) &&
-+          !(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA))
-               ndelim += ATH_AGGR_ENCRYPTDELIM;
+-      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);
+       }
+       mutex_unlock(&reg_regdb_search_mutex);
++
++      if (set_reg)
++              set_regdom(regdom);
++
++      mutex_unlock(&cfg80211_mutex);
+ }
  
-       /*
-@@ -2169,7 +2167,9 @@ static void ath_tx_complete_poll_work(st
-       if (needreset) {
-               ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
-                       "tx hung, resetting the chip\n");
-+              spin_lock_bh(&sc->sc_pcu_lock);
-               ath_reset(sc, true);
-+              spin_unlock_bh(&sc->sc_pcu_lock);
+ 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;
        }
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -818,23 +818,71 @@ void ieee80211_sta_process_chanswitch(st
+ }
  
-       ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
---- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
-@@ -236,7 +236,7 @@ static void ar9003_paprd_get_gain_table(
-       memset(entry, 0, sizeof(ah->paprd_gain_table_entries));
-       memset(index, 0, sizeof(ah->paprd_gain_table_index));
--      for (i = 0; i < 32; i++) {
-+      for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
-               entry[i] = REG_READ(ah, reg);
-               index[i] = (entry[i] >> 24) & 0xff;
-               reg += 4;
-@@ -246,13 +246,13 @@ static void ar9003_paprd_get_gain_table(
- static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
-                                           int target_power)
+ 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)
  {
--      int olpc_gain_delta = 0;
-+      int olpc_gain_delta = 0, cl_gain_mod;
-       int alpha_therm, alpha_volt;
-       int therm_cal_value, volt_cal_value;
-       int therm_value, volt_value;
-       int thermal_gain_corr, voltage_gain_corr;
-       int desired_scale, desired_gain = 0;
--      u32 reg;
-+      u32 reg_olpc  = 0, reg_cl_gain  = 0;
-       REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
-                   AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
-@@ -271,15 +271,29 @@ static unsigned int ar9003_get_desired_g
-       volt_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4,
-                                   AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE);
--      if (chain == 0)
--              reg = AR_PHY_TPC_11_B0;
--      else if (chain == 1)
--              reg = AR_PHY_TPC_11_B1;
--      else
--              reg = AR_PHY_TPC_11_B2;
-+      switch (chain) {
-+      case 0:
-+              reg_olpc = AR_PHY_TPC_11_B0;
-+              reg_cl_gain = AR_PHY_CL_TAB_0;
-+              break;
-+      case 1:
-+              reg_olpc = AR_PHY_TPC_11_B1;
-+              reg_cl_gain = AR_PHY_CL_TAB_1;
-+              break;
-+      case 2:
-+              reg_olpc = AR_PHY_TPC_11_B2;
-+              reg_cl_gain = AR_PHY_CL_TAB_2;
-+              break;
+-      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;
+-      /* 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:
-+              ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
-+              "Invalid chainmask: %d\n", chain);
++              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;
+       }
++
++      /* 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;
++                      }
++              }
++              if (have_chan_pwr)
++                      break;
++
++ next:
++              triplet++;
++              country_ie_len -= 3;
 +      }
--      olpc_gain_delta = REG_READ_FIELD(ah, reg,
-+      olpc_gain_delta = REG_READ_FIELD(ah, reg_olpc,
-                                        AR_PHY_TPC_11_OLPC_GAIN_DELTA);
-+      cl_gain_mod = REG_READ_FIELD(ah, reg_cl_gain,
-+                                       AR_PHY_CL_TAB_CL_GAIN_MOD);
-       if (olpc_gain_delta >= 128)
-               olpc_gain_delta = olpc_gain_delta - 256;
-@@ -289,7 +303,7 @@ static unsigned int ar9003_get_desired_g
-       voltage_gain_corr = (alpha_volt * (volt_value - volt_cal_value) +
-                            (128 / 2)) / 128;
-       desired_gain = target_power - olpc_gain_delta - thermal_gain_corr -
--          voltage_gain_corr + desired_scale;
-+          voltage_gain_corr + desired_scale + cl_gain_mod;
-       return desired_gain;
- }
-@@ -727,7 +741,7 @@ int ar9003_paprd_setup_gain_table(struct
-       desired_gain = ar9003_get_desired_gain(ah, chain, train_power);
-       gain_index = 0;
--      for (i = 0; i < 32; i++) {
-+      for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
-               if (ah->paprd_gain_table_index[i] >= desired_gain)
-                       break;
-               gain_index++;
---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
-@@ -1121,6 +1121,9 @@
- #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5    0x3F00
- #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5_S  8
-+#define AR_PHY_CL_TAB_CL_GAIN_MOD             0x1f
-+#define AR_PHY_CL_TAB_CL_GAIN_MOD_S           0
 +
- void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
- #endif  /* AR9003_PHY_H */
---- a/drivers/net/wireless/ath/ath5k/eeprom.c
-+++ b/drivers/net/wireless/ath/ath5k/eeprom.c
-@@ -691,14 +691,12 @@ ath5k_eeprom_free_pcal_info(struct ath5k
-               if (!chinfo[pier].pd_curves)
-                       continue;
--              for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) {
-+              for (pdg = 0; pdg < AR5K_EEPROM_N_PD_CURVES; pdg++) {
-                       struct ath5k_pdgain_info *pd =
-                                       &chinfo[pier].pd_curves[pdg];
--                      if (pd != NULL) {
--                              kfree(pd->pd_step);
--                              kfree(pd->pd_pwr);
--                      }
-+                      kfree(pd->pd_step);
-+                      kfree(pd->pd_pwr);
-               }
-               kfree(chinfo[pier].pd_curves);
---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -229,6 +229,7 @@ static void ar9003_hw_fill_txdesc(struct
- static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
-                                struct ath_tx_status *ts)
- {
-+      struct ar9003_txc *txc = (struct ar9003_txc *) ds;
-       struct ar9003_txs *ads;
-       u32 status;
-@@ -238,7 +239,11 @@ static int ar9003_hw_proc_txdesc(struct 
-       if ((status & AR_TxDone) == 0)
-               return -EINPROGRESS;
--      ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
-+      ts->qid = MS(ads->ds_info, AR_TxQcuNum);
-+      if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
-+              ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
-+      else
-+              return -ENOENT;
-       if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
-           (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
-@@ -254,7 +259,6 @@ static int ar9003_hw_proc_txdesc(struct 
-       ts->ts_seqnum = MS(status, AR_SeqNum);
-       ts->tid = MS(status, AR_TxTid);
--      ts->qid = MS(ads->ds_info, AR_TxQcuNum);
-       ts->desc_id = MS(ads->status1, AR_TxDescId);
-       ts->ts_tstamp = ads->status4;
-       ts->ts_status = 0;
---- a/net/mac80211/wpa.c
-+++ b/net/mac80211/wpa.c
-@@ -15,6 +15,7 @@
- #include <linux/gfp.h>
- #include <asm/unaligned.h>
- #include <net/mac80211.h>
-+#include <crypto/aes.h>
- #include "ieee80211_i.h"
- #include "michael.h"
-@@ -86,6 +87,11 @@ ieee80211_rx_h_michael_mic_verify(struct
-       struct sk_buff *skb = rx->skb;
-       struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
-       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-+      int queue = rx->queue;
++      if (!have_chan_pwr)
++              return;
 +
-+      /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */
-+      if (rx->queue == NUM_RX_DATA_QUEUES - 1)
-+              queue = 0;
-       /*
-        * it makes no sense to check for MIC errors on anything other
-@@ -148,8 +154,8 @@ ieee80211_rx_h_michael_mic_verify(struct
- update_iv:
-       /* update IV in key information to be able to detect replays */
--      rx->key->u.tkip.rx[rx->queue].iv32 = rx->tkip_iv32;
--      rx->key->u.tkip.rx[rx->queue].iv16 = rx->tkip_iv16;
-+      rx->key->u.tkip.rx[queue].iv32 = rx->tkip_iv32;
-+      rx->key->u.tkip.rx[queue].iv16 = rx->tkip_iv16;
-       return RX_CONTINUE;
-@@ -165,6 +171,7 @@ static int tkip_encrypt_skb(struct ieee8
-       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-       struct ieee80211_key *key = tx->key;
-       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-+      unsigned long flags;
-       unsigned int hdrlen;
-       int len, tail;
-       u8 *pos;
-@@ -192,11 +199,12 @@ static int tkip_encrypt_skb(struct ieee8
-       pos += hdrlen;
-       /* Increase IV for the frame */
-+      spin_lock_irqsave(&key->u.tkip.txlock, flags);
-       key->u.tkip.tx.iv16++;
-       if (key->u.tkip.tx.iv16 == 0)
-               key->u.tkip.tx.iv32++;
--
--      pos = ieee80211_tkip_add_iv(pos, key, key->u.tkip.tx.iv16);
-+      pos = ieee80211_tkip_add_iv(pos, key);
-+      spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
-       /* hwaccel - with software IV */
-       if (info->control.hw_key)
-@@ -205,9 +213,8 @@ static int tkip_encrypt_skb(struct ieee8
-       /* Add room for ICV */
-       skb_put(skb, TKIP_ICV_LEN);
--      hdr = (struct ieee80211_hdr *) skb->data;
-       return ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
--                                         key, pos, len, hdr->addr2);
-+                                         key, skb, pos, len);
++      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);
  }
  
+ 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);
+       }
+       mutex_unlock(&local->sta_mtx);
  
-@@ -235,6 +242,11 @@ ieee80211_crypto_tkip_decrypt(struct iee
-       struct ieee80211_key *key = rx->key;
-       struct sk_buff *skb = rx->skb;
-       struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
-+      int queue = rx->queue;
-+
-+      /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */
-+      if (rx->queue == NUM_RX_DATA_QUEUES - 1)
-+              queue = 0;
-       hdrlen = ieee80211_hdrlen(hdr->frame_control);
-@@ -255,7 +267,7 @@ ieee80211_crypto_tkip_decrypt(struct iee
-       res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
-                                         key, skb->data + hdrlen,
-                                         skb->len - hdrlen, rx->sta->sta.addr,
--                                        hdr->addr1, hwaccel, rx->queue,
-+                                        hdr->addr1, hwaccel, queue,
-                                         &rx->tkip_iv32,
-                                         &rx->tkip_iv16);
-       if (res != TKIP_DECRYPT_OK)
-@@ -283,6 +295,8 @@ static void ccmp_special_blocks(struct s
-       unsigned int hdrlen;
-       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-+      memset(scratch, 0, 6 * AES_BLOCK_LEN);
-+
-       b_0 = scratch + 3 * AES_BLOCK_LEN;
-       aad = scratch + 4 * AES_BLOCK_LEN;
-@@ -373,8 +387,10 @@ static int ccmp_encrypt_skb(struct ieee8
-       struct ieee80211_key *key = tx->key;
-       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-       int hdrlen, len, tail;
--      u8 *pos, *pn;
--      int i;
-+      u8 *pos;
-+      u8 pn[6];
-+      u64 pn64;
-+      u8 scratch[6 * AES_BLOCK_LEN];
-       if (info->control.hw_key &&
-           !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
-@@ -402,14 +418,14 @@ static int ccmp_encrypt_skb(struct ieee8
-       hdr = (struct ieee80211_hdr *) pos;
-       pos += hdrlen;
--      /* PN = PN + 1 */
--      pn = key->u.ccmp.tx_pn;
-+      pn64 = atomic64_inc_return(&key->u.ccmp.tx_pn);
--      for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
--              pn[i]++;
--              if (pn[i])
--                      break;
--      }
-+      pn[5] = pn64;
-+      pn[4] = pn64 >> 8;
-+      pn[3] = pn64 >> 16;
-+      pn[2] = pn64 >> 24;
-+      pn[1] = pn64 >> 32;
-+      pn[0] = pn64 >> 40;
+@@ -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));
  
-       ccmp_pn2hdr(pos, pn, key->conf.keyidx);
+-      local->power_constr_level = 0;
++      local->ap_power_level = 0;
  
-@@ -418,8 +434,8 @@ static int ccmp_encrypt_skb(struct ieee8
-               return 0;
+       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);
+       }
  
-       pos += CCMP_HDR_LEN;
--      ccmp_special_blocks(skb, pn, key->u.ccmp.tx_crypto_buf, 0);
--      ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, key->u.ccmp.tx_crypto_buf, pos, len,
-+      ccmp_special_blocks(skb, pn, scratch, 0);
-+      ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, scratch, pos, len,
-                                 pos, skb_put(skb, CCMP_MIC_LEN));
+-      /* 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);
+ }
+@@ -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);
+       }
  
-       return 0;
-@@ -475,11 +491,12 @@ ieee80211_crypto_ccmp_decrypt(struct iee
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -585,7 +585,7 @@ static bool sta_info_cleanup_expire_buff
+                */
+               if (!skb)
+                       break;
+-              dev_kfree_skb(skb);
++              ieee80211_free_txskb(&local->hw, skb);
        }
  
-       if (!(status->flag & RX_FLAG_DECRYPTED)) {
-+              u8 scratch[6 * AES_BLOCK_LEN];
-               /* hardware didn't decrypt/verify MIC */
--              ccmp_special_blocks(skb, pn, key->u.ccmp.rx_crypto_buf, 1);
-+              ccmp_special_blocks(skb, pn, scratch, 1);
-               if (ieee80211_aes_ccm_decrypt(
--                          key->u.ccmp.tfm, key->u.ccmp.rx_crypto_buf,
-+                          key->u.ccmp.tfm, scratch,
-                           skb->data + hdrlen + CCMP_HDR_LEN, data_len,
-                           skb->data + skb->len - CCMP_MIC_LEN,
-                           skb->data + hdrlen + CCMP_HDR_LEN))
---- a/drivers/net/wireless/b43/xmit.c
-+++ b/drivers/net/wireless/b43/xmit.c
-@@ -323,8 +323,7 @@ int b43_generate_txhdr(struct b43_wldev 
-                       /* we give the phase1key and iv16 here, the key is stored in
-                        * shm. With that the hardware can do phase 2 and encryption.
-                        */
--                      ieee80211_get_tkip_key(info->control.hw_key, skb_frag,
--                                      IEEE80211_TKIP_P1_KEY, (u8*)phase1key);
-+                      ieee80211_get_tkip_p1k(info->control.hw_key, skb_frag, phase1key);
-                       /* phase1key is in host endian. Copy to little-endian txhdr->iv. */
-                       for (i = 0; i < 5; i++) {
-                               txhdr->iv[i * 2 + 0] = phase1key[i];
---- a/drivers/net/wireless/iwlegacy/iwl-4965-tx.c
-+++ b/drivers/net/wireless/iwlegacy/iwl-4965-tx.c
-@@ -240,8 +240,7 @@ static void iwl4965_tx_cmd_build_hwcrypt
-       case WLAN_CIPHER_SUITE_TKIP:
-               tx_cmd->sec_ctl = TX_CMD_SEC_TKIP;
--              ieee80211_get_tkip_key(keyconf, skb_frag,
--                      IEEE80211_TKIP_P2_KEY, tx_cmd->key);
-+              ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key);
-               IWL_DEBUG_TX(priv, "tx_cmd with tkip hwcrypto\n");
-               break;
+       /*
+@@ -614,7 +614,7 @@ static bool sta_info_cleanup_expire_buff
+               local->total_ps_buffered--;
+               ps_dbg(sta->sdata, "Buffered frame expired (STA %pM)\n",
+                      sta->sta.addr);
+-              dev_kfree_skb(skb);
++              ieee80211_free_txskb(&local->hw, skb);
+       }
  
---- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
-+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
-@@ -497,8 +497,7 @@ static void iwlagn_tx_cmd_build_hwcrypto
+       /*
+@@ -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)
+@@ -730,8 +730,8 @@ int __must_check __sta_info_destroy(stru
+       for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+               local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]);
+-              __skb_queue_purge(&sta->ps_tx_buf[ac]);
+-              __skb_queue_purge(&sta->tx_filtered[ac]);
++              ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]);
++              ieee80211_purge_tx_queue(&local->hw, &sta->tx_filtered[ac]);
+       }
  
-       case WLAN_CIPHER_SUITE_TKIP:
-               tx_cmd->sec_ctl = TX_CMD_SEC_TKIP;
--              ieee80211_get_tkip_key(keyconf, skb_frag,
--                      IEEE80211_TKIP_P2_KEY, tx_cmd->key);
-+              ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key);
-               IWL_DEBUG_TX(priv, "tx_cmd with tkip hwcrypto\n");
-               break;
+ #ifdef CONFIG_MAC80211_MESH
+@@ -765,7 +765,7 @@ int __must_check __sta_info_destroy(stru
+               tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]);
+               if (!tid_tx)
+                       continue;
+-              __skb_queue_purge(&tid_tx->pending);
++              ieee80211_purge_tx_queue(&local->hw, &tid_tx->pending);
+               kfree(tid_tx);
+       }
  
---- a/include/net/mac80211.h
-+++ b/include/net/mac80211.h
-@@ -960,21 +960,6 @@ enum sta_notify_cmd {
- };
+--- 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;
+@@ -1318,6 +1317,8 @@ netdev_tx_t ieee80211_monitor_start_xmit
+                                        struct net_device *dev);
+ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
+                                      struct net_device *dev);
++void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
++                            struct sk_buff_head *skbs);
+ /* HT */
+ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -406,7 +406,7 @@ void ieee80211_add_pending_skb(struct ie
+       int queue = info->hw_queue;
+       if (WARN_ON(!info->control.vif)) {
+-              kfree_skb(skb);
++              ieee80211_free_txskb(&local->hw, skb);
+               return;
+       }
  
- /**
-- * enum ieee80211_tkip_key_type - get tkip key
-- *
-- * Used by drivers which need to get a tkip key for skb. Some drivers need a
-- * phase 1 key, others need a phase 2 key. A single function allows the driver
-- * to get the key, this enum indicates what type of key is required.
-- *
-- * @IEEE80211_TKIP_P1_KEY: the driver needs a phase 1 key
-- * @IEEE80211_TKIP_P2_KEY: the driver needs a phase 2 key
-- */
--enum ieee80211_tkip_key_type {
--      IEEE80211_TKIP_P1_KEY,
--      IEEE80211_TKIP_P2_KEY,
--};
--
--/**
-  * enum ieee80211_hw_flags - hardware flags
-  *
-  * These flags are used to indicate hardware capabilities to
-@@ -2568,21 +2553,33 @@ struct sk_buff *
- ieee80211_get_buffered_bc(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
+@@ -431,7 +431,7 @@ void ieee80211_add_pending_skbs_fn(struc
+               struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  
- /**
-- * ieee80211_get_tkip_key - get a TKIP rc4 for skb
-+ * ieee80211_get_tkip_p1k - get a TKIP phase 1 key
-+ *
-+ * This function returns the TKIP phase 1 key for the IV32 taken
-+ * from the given packet.
-+ *
-+ * @keyconf: the parameter passed with the set key
-+ * @skb: the packet to take the IV32 value from that will be encrypted
-+ *    with this P1K
-+ * @p1k: a buffer to which the key will be written, as 5 u16 values
-+ */
-+void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf,
-+                          struct sk_buff *skb, u16 *p1k);
-+
-+/**
-+ * ieee80211_get_tkip_p2k - get a TKIP phase 2 key
-  *
-- * This function computes a TKIP rc4 key for an skb. It computes
-- * a phase 1 key if needed (iv16 wraps around). This function is to
-- * be used by drivers which can do HW encryption but need to compute
-- * to phase 1/2 key in SW.
-+ * This function computes the TKIP RC4 key for the IV values
-+ * in the packet.
-  *
-  * @keyconf: the parameter passed with the set key
-- * @skb: the skb for which the key is needed
-- * @type: TBD
-- * @key: a buffer to which the key will be written
-- */
--void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
--                              struct sk_buff *skb,
--                              enum ieee80211_tkip_key_type type, u8 *key);
-+ * @skb: the packet to take the IV32/IV16 values from that will be
-+ *    encrypted with this key
-+ * @p2k: a buffer to which the key will be written, 16 bytes
-+ */
-+void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
-+                          struct sk_buff *skb, u8 *p2k);
-+
- /**
-  * ieee80211_wake_queue - wake specific queue
-  * @hw: pointer as obtained from ieee80211_alloc_hw().
---- a/net/mac80211/key.c
-+++ b/net/mac80211/key.c
-@@ -333,6 +333,7 @@ struct ieee80211_key *ieee80211_key_allo
-                                       get_unaligned_le16(seq);
-                       }
+               if (WARN_ON(!info->control.vif)) {
+-                      kfree_skb(skb);
++                      ieee80211_free_txskb(&local->hw, skb);
+                       continue;
                }
-+              spin_lock_init(&key->u.tkip.txlock);
-               break;
-       case WLAN_CIPHER_SUITE_CCMP:
-               key->conf.iv_len = CCMP_HDR_LEN;
---- a/net/mac80211/key.h
-+++ b/net/mac80211/key.h
-@@ -52,9 +52,10 @@ enum ieee80211_internal_tkip_state {
- };
  
- struct tkip_ctx {
--      u32 iv32;
--      u16 iv16;
--      u16 p1k[5];
-+      u32 iv32;       /* current iv32 */
-+      u16 iv16;       /* current iv16 */
-+      u16 p1k[5];     /* p1k cache */
-+      u32 p1k_iv32;   /* iv32 for which p1k computed */
-       enum ieee80211_internal_tkip_state state;
+@@ -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;
  };
  
-@@ -71,6 +72,9 @@ struct ieee80211_key {
+ /**
+--- 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;
+-      }
  
-       union {
-               struct {
-+                      /* protects tx context */
-+                      spinlock_t txlock;
-+
-                       /* last used TSC */
-                       struct tkip_ctx tx;
-@@ -78,7 +82,7 @@ struct ieee80211_key {
-                       struct tkip_ctx rx[NUM_RX_DATA_QUEUES];
-               } tkip;
-               struct {
--                      u8 tx_pn[6];
-+                      atomic64_t tx_pn;
-                       /*
-                        * Last received packet number. The first
-                        * NUM_RX_DATA_QUEUES counters are used with Data
-@@ -88,12 +92,9 @@ struct ieee80211_key {
-                       u8 rx_pn[NUM_RX_DATA_QUEUES + 1][6];
-                       struct crypto_cipher *tfm;
-                       u32 replays; /* dot11RSNAStatsCCMPReplays */
--                      /* scratch buffers for virt_to_page() (crypto API) */
- #ifndef AES_BLOCK_LEN
- #define AES_BLOCK_LEN 16
- #endif
--                      u8 tx_crypto_buf[6 * AES_BLOCK_LEN];
--                      u8 rx_crypto_buf[6 * AES_BLOCK_LEN];
-               } ccmp;
-               struct {
-                       u8 tx_pn[6];
---- a/net/mac80211/tkip.c
-+++ b/net/mac80211/tkip.c
-@@ -101,6 +101,7 @@ static void tkip_mixing_phase1(const u8 
-               p1k[4] += tkipS(p1k[3] ^ get_unaligned_le16(tk + 0 + j)) + i;
-       }
-       ctx->state = TKIP_STATE_PHASE1_DONE;
-+      ctx->p1k_iv32 = tsc_IV32;
+       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;
  
- static void tkip_mixing_phase2(const u8 *tk, struct tkip_ctx *ctx,
-@@ -140,60 +141,72 @@ static void tkip_mixing_phase2(const u8 
- /* Add TKIP IV and Ext. IV at @pos. @iv0, @iv1, and @iv2 are the first octets
-  * of the IV. Returns pointer to the octet following IVs (i.e., beginning of
-  * the packet payload). */
--u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16)
-+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key)
- {
--      pos = write_tkip_iv(pos, iv16);
-+      lockdep_assert_held(&key->u.tkip.txlock);
-+
-+      pos = write_tkip_iv(pos, key->u.tkip.tx.iv16);
-       *pos++ = (key->conf.keyidx << 6) | (1 << 5) /* Ext IV */;
-       put_unaligned_le32(key->u.tkip.tx.iv32, pos);
-       return pos + 4;
- }
+       /*
+        * 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;
  
--void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
--                      struct sk_buff *skb, enum ieee80211_tkip_key_type type,
--                      u8 *outkey)
-+static void ieee80211_compute_tkip_p1k(struct ieee80211_key *key, u32 iv32)
- {
--      struct ieee80211_key *key = (struct ieee80211_key *)
--                      container_of(keyconf, struct ieee80211_key, conf);
--      struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
--      u8 *data;
--      const u8 *tk;
--      struct tkip_ctx *ctx;
--      u16 iv16;
--      u32 iv32;
--
--      data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
--      iv16 = data[2] | (data[0] << 8);
--      iv32 = get_unaligned_le32(&data[4]);
--
--      tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
--      ctx = &key->u.tkip.tx;
--
--#ifdef CONFIG_MAC80211_TKIP_DEBUG
--      printk(KERN_DEBUG "TKIP encrypt: iv16 = 0x%04x, iv32 = 0x%08x\n",
--                      iv16, iv32);
-+      struct ieee80211_sub_if_data *sdata = key->sdata;
-+      struct tkip_ctx *ctx = &key->u.tkip.tx;
-+      const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
--      if (iv32 != ctx->iv32) {
--              printk(KERN_DEBUG "skb: iv32 = 0x%08x key: iv32 = 0x%08x\n",
--                      iv32, ctx->iv32);
--              printk(KERN_DEBUG "Wrap around of iv16 in the middle of a "
--                      "fragmented packet\n");
--      }
--#endif
-+      lockdep_assert_held(&key->u.tkip.txlock);
--      /* Update the p1k only when the iv16 in the packet wraps around, this
--       * might occur after the wrap around of iv16 in the key in case of
--       * fragmented packets. */
--      if (iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT)
--              tkip_mixing_phase1(tk, ctx, hdr->addr2, iv32);
-+      /*
-+       * Update the P1K when the IV32 is different from the value it
-+       * had when we last computed it (or when not initialised yet).
-+       * This might flip-flop back and forth if packets are processed
-+       * out-of-order due to the different ACs, but then we have to
-+       * just compute the P1K more often.
-+       */
-+      if (ctx->p1k_iv32 != iv32 || ctx->state == TKIP_STATE_NOT_INIT)
-+              tkip_mixing_phase1(tk, ctx, sdata->vif.addr, iv32);
-+}
+       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 (type == IEEE80211_TKIP_P1_KEY) {
--              memcpy(outkey, ctx->p1k, sizeof(u16) * 5);
--              return;
--      }
-+void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf,
-+                          struct sk_buff *skb, u16 *p1k)
-+{
-+      struct ieee80211_key *key = (struct ieee80211_key *)
-+                      container_of(keyconf, struct ieee80211_key, conf);
-+      struct tkip_ctx *ctx = &key->u.tkip.tx;
-+      struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-+      const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
-+      u32 iv32 = get_unaligned_le32(&data[4]);
-+      unsigned long flags;
++              if (!local->open_count)
++                      break;
 +
-+      spin_lock_irqsave(&key->u.tkip.txlock, flags);
-+      ieee80211_compute_tkip_p1k(key, iv32);
-+      memcpy(p1k, ctx->p1k, sizeof(ctx->p1k));
-+      spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
-+}
-+EXPORT_SYMBOL(ieee80211_get_tkip_p1k);
+               ieee80211_queue_work(&local->hw, &local->reconfig_filter);
+               break;
+       default:
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -354,7 +354,7 @@ static void purge_old_ps_buffers(struct
+                       total += skb_queue_len(&sta->ps_tx_buf[ac]);
+                       if (skb) {
+                               purged++;
+-                              dev_kfree_skb(skb);
++                              ieee80211_free_txskb(&local->hw, skb);
+                               break;
+                       }
+               }
+@@ -466,7 +466,7 @@ ieee80211_tx_h_unicast_ps_buf(struct iee
+                       ps_dbg(tx->sdata,
+                              "STA %pM TX buffer for AC %d full - dropping oldest frame\n",
+                              sta->sta.addr, ac);
+-                      dev_kfree_skb(old);
++                      ieee80211_free_txskb(&local->hw, old);
+               } else
+                       tx->local->total_ps_buffered++;
+@@ -1103,7 +1103,7 @@ static bool ieee80211_tx_prep_agg(struct
+               spin_unlock(&tx->sta->lock);
+               if (purge_skb)
+-                      dev_kfree_skb(purge_skb);
++                      ieee80211_free_txskb(&tx->local->hw, purge_skb);
+       }
  
--      tkip_mixing_phase2(tk, ctx, iv16, outkey);
-+void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
-+                          struct sk_buff *skb, u8 *p2k)
-+{
-+      struct ieee80211_key *key = (struct ieee80211_key *)
-+                      container_of(keyconf, struct ieee80211_key, conf);
-+      const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
-+      struct tkip_ctx *ctx = &key->u.tkip.tx;
-+      struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-+      const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
-+      u32 iv32 = get_unaligned_le32(&data[4]);
-+      u16 iv16 = data[2] | (data[0] << 8);
-+      unsigned long flags;
-+
-+      spin_lock_irqsave(&key->u.tkip.txlock, flags);
-+      ieee80211_compute_tkip_p1k(key, iv32);
-+      tkip_mixing_phase2(tk, ctx, iv16, p2k);
-+      spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
- }
--EXPORT_SYMBOL(ieee80211_get_tkip_key);
-+EXPORT_SYMBOL(ieee80211_get_tkip_p2k);
+       /* reset session timer */
+@@ -1214,7 +1214,7 @@ static bool ieee80211_tx_frags(struct ie
+ #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+               if (WARN_ON_ONCE(q >= local->hw.queues)) {
+                       __skb_unlink(skb, skbs);
+-                      dev_kfree_skb(skb);
++                      ieee80211_free_txskb(&local->hw, skb);
+                       continue;
+               }
+ #endif
+@@ -1356,9 +1356,9 @@ static int invoke_tx_handlers(struct iee
+       if (unlikely(res == TX_DROP)) {
+               I802_DEBUG_INC(tx->local->tx_handlers_drop);
+               if (tx->skb)
+-                      dev_kfree_skb(tx->skb);
++                      ieee80211_free_txskb(&tx->local->hw, tx->skb);
+               else
+-                      __skb_queue_purge(&tx->skbs);
++                      ieee80211_purge_tx_queue(&tx->local->hw, &tx->skbs);
+               return -1;
+       } else if (unlikely(res == TX_QUEUED)) {
+               I802_DEBUG_INC(tx->local->tx_handlers_queued);
+@@ -1393,7 +1393,7 @@ static bool ieee80211_tx(struct ieee8021
+       res_prepare = ieee80211_tx_prepare(sdata, &tx, skb);
+       if (unlikely(res_prepare == TX_DROP)) {
+-              dev_kfree_skb(skb);
++              ieee80211_free_txskb(&local->hw, skb);
+               goto out;
+       } else if (unlikely(res_prepare == TX_QUEUED)) {
+               goto out;
+@@ -1465,7 +1465,7 @@ void ieee80211_xmit(struct ieee80211_sub
+       headroom = max_t(int, 0, headroom);
+       if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
+-              dev_kfree_skb(skb);
++              ieee80211_free_txskb(&local->hw, skb);
+               rcu_read_unlock();
+               return;
+       }
+@@ -2056,8 +2056,10 @@ netdev_tx_t ieee80211_subif_start_xmit(s
+               head_need += IEEE80211_ENCRYPT_HEADROOM;
+               head_need += local->tx_headroom;
+               head_need = max_t(int, 0, head_need);
+-              if (ieee80211_skb_resize(sdata, skb, head_need, true))
+-                      goto fail;
++              if (ieee80211_skb_resize(sdata, skb, head_need, true)) {
++                      ieee80211_free_txskb(&local->hw, skb);
++                      return NETDEV_TX_OK;
++              }
+       }
  
- /*
-  * Encrypt packet payload with TKIP using @key. @pos is a pointer to the
-@@ -204,19 +217,15 @@ EXPORT_SYMBOL(ieee80211_get_tkip_key);
+       if (encaps_data) {
+@@ -2124,10 +2126,13 @@ netdev_tx_t ieee80211_subif_start_xmit(s
   */
- int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
-                               struct ieee80211_key *key,
--                              u8 *pos, size_t payload_len, u8 *ta)
-+                              struct sk_buff *skb,
-+                              u8 *payload, size_t payload_len)
+ void ieee80211_clear_tx_pending(struct ieee80211_local *local)
  {
-       u8 rc4key[16];
--      struct tkip_ctx *ctx = &key->u.tkip.tx;
--      const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
--
--      /* Calculate per-packet key */
--      if (ctx->iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT)
--              tkip_mixing_phase1(tk, ctx, ta, ctx->iv32);
--      tkip_mixing_phase2(tk, ctx, ctx->iv16, rc4key);
-+      ieee80211_get_tkip_p2k(&key->conf, skb, rc4key);
--      return ieee80211_wep_encrypt_data(tfm, rc4key, 16, pos, payload_len);
-+      return ieee80211_wep_encrypt_data(tfm, rc4key, 16,
-+                                        payload, payload_len);
++      struct sk_buff *skb;
+       int i;
+-      for (i = 0; i < local->hw.queues; i++)
+-              skb_queue_purge(&local->pending[i]);
++      for (i = 0; i < local->hw.queues; i++) {
++              while ((skb = skb_dequeue(&local->pending[i])) != NULL)
++                      ieee80211_free_txskb(&local->hw, skb);
++      }
  }
  
- /* Decrypt packet payload with TKIP using @key. @pos is a pointer to the
---- a/net/mac80211/tkip.h
-+++ b/net/mac80211/tkip.h
-@@ -13,11 +13,13 @@
- #include <linux/crypto.h>
- #include "key.h"
--u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16);
-+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key);
- int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
--                               struct ieee80211_key *key,
--                               u8 *pos, size_t payload_len, u8 *ta);
-+                              struct ieee80211_key *key,
-+                              struct sk_buff *skb,
-+                              u8 *payload, size_t payload_len);
-+
- enum {
-       TKIP_DECRYPT_OK = 0,
-       TKIP_DECRYPT_NO_EXT_IV = -1,
---- a/net/mac80211/cfg.c
-+++ b/net/mac80211/cfg.c
-@@ -209,6 +209,7 @@ static int ieee80211_get_key(struct wiph
-       u8 seq[6] = {0};
-       struct key_params params;
-       struct ieee80211_key *key = NULL;
-+      u64 pn64;
-       u32 iv32;
-       u16 iv16;
-       int err = -ENOENT;
-@@ -256,12 +257,13 @@ static int ieee80211_get_key(struct wiph
-               params.seq_len = 6;
-               break;
-       case WLAN_CIPHER_SUITE_CCMP:
--              seq[0] = key->u.ccmp.tx_pn[5];
--              seq[1] = key->u.ccmp.tx_pn[4];
--              seq[2] = key->u.ccmp.tx_pn[3];
--              seq[3] = key->u.ccmp.tx_pn[2];
--              seq[4] = key->u.ccmp.tx_pn[1];
--              seq[5] = key->u.ccmp.tx_pn[0];
-+              pn64 = atomic64_read(&key->u.ccmp.tx_pn);
-+              seq[0] = pn64;
-+              seq[1] = pn64 >> 8;
-+              seq[2] = pn64 >> 16;
-+              seq[3] = pn64 >> 24;
-+              seq[4] = pn64 >> 32;
-+              seq[5] = pn64 >> 40;
-               params.seq = seq;
-               params.seq_len = 6;
-               break;
---- a/net/mac80211/debugfs_key.c
-+++ b/net/mac80211/debugfs_key.c
-@@ -79,6 +79,7 @@ static ssize_t key_tx_spec_read(struct f
-                               size_t count, loff_t *ppos)
- {
-       const u8 *tpn;
-+      u64 pn;
-       char buf[20];
-       int len;
-       struct ieee80211_key *key = file->private_data;
-@@ -94,9 +95,10 @@ static ssize_t key_tx_spec_read(struct f
-                               key->u.tkip.tx.iv16);
-               break;
-       case WLAN_CIPHER_SUITE_CCMP:
--              tpn = key->u.ccmp.tx_pn;
-+              pn = atomic64_read(&key->u.ccmp.tx_pn);
-               len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
--                              tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
-+                              (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
-+                              (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
-               break;
-       case WLAN_CIPHER_SUITE_AES_CMAC:
-               tpn = key->u.aes_cmac.tx_pn;
---- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
-@@ -653,8 +653,8 @@ static const u32 ar9300_2p2_baseband_pos
-       {0x0000a288, 0x00000110, 0x00000110, 0x00000110, 0x00000110},
-       {0x0000a28c, 0x00022222, 0x00022222, 0x00022222, 0x00022222},
-       {0x0000a2c4, 0x00158d18, 0x00158d18, 0x00158d18, 0x00158d18},
--      {0x0000a2d0, 0x00071981, 0x00071981, 0x00071981, 0x00071982},
--      {0x0000a2d8, 0x7999a83a, 0x7999a83a, 0x7999a83a, 0x7999a83a},
-+      {0x0000a2d0, 0x00041981, 0x00041981, 0x00041981, 0x00041982},
-+      {0x0000a2d8, 0x7999a83b, 0x7999a83b, 0x7999a83b, 0x7999a83b},
-       {0x0000a358, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
-       {0x0000a830, 0x0000019c, 0x0000019c, 0x0000019c, 0x0000019c},
-       {0x0000ae04, 0x001c0000, 0x001c0000, 0x001c0000, 0x001c0000},
-@@ -761,7 +761,7 @@ static const u32 ar9300_2p2_baseband_cor
-       {0x0000a3ec, 0x20202020},
-       {0x0000a3f0, 0x00000000},
-       {0x0000a3f4, 0x00000246},
--      {0x0000a3f8, 0x0cdbd380},
-+      {0x0000a3f8, 0x0c9bd380},
-       {0x0000a3fc, 0x000f0f01},
-       {0x0000a400, 0x8fa91f01},
-       {0x0000a404, 0x00000000},
-@@ -780,7 +780,7 @@ static const u32 ar9300_2p2_baseband_cor
-       {0x0000a43c, 0x00100000},
-       {0x0000a440, 0x00000000},
-       {0x0000a444, 0x00000000},
--      {0x0000a448, 0x06000080},
-+      {0x0000a448, 0x05000080},
-       {0x0000a44c, 0x00000001},
-       {0x0000a450, 0x00010000},
-       {0x0000a458, 0x00000000},
-@@ -1500,8 +1500,6 @@ static const u32 ar9300_2p2_mac_core[][2
-       {0x0000816c, 0x00000000},
-       {0x000081c0, 0x00000000},
-       {0x000081c4, 0x33332210},
--      {0x000081c8, 0x00000000},
--      {0x000081cc, 0x00000000},
-       {0x000081ec, 0x00000000},
-       {0x000081f0, 0x00000000},
-       {0x000081f4, 0x00000000},
---- a/net/mac80211/work.c
-+++ b/net/mac80211/work.c
-@@ -1075,14 +1075,13 @@ static void ieee80211_work_work(struct w
-                       continue;
-               if (wk->chan != local->tmp_channel)
-                       continue;
--              if (ieee80211_work_ct_coexists(wk->chan_type,
--                                             local->tmp_channel_type))
-+              if (!ieee80211_work_ct_coexists(wk->chan_type,
-+                                              local->tmp_channel_type))
-                       continue;
-               remain_off_channel = true;
-       }
+ /*
+@@ -2190,7 +2195,7 @@ void ieee80211_tx_pending(unsigned long
+                       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  
-       if (!remain_off_channel && local->tmp_channel) {
--              bool on_oper_chan = ieee80211_cfg_on_oper_channel(local);
-               local->tmp_channel = NULL;
-               /* If tmp_channel wasn't operating channel, then
-                * we need to go back on-channel.
-@@ -1092,7 +1091,7 @@ static void ieee80211_work_work(struct w
-                * we still need to do a hardware config.  Currently,
-                * we cannot be here while scanning, however.
-                */
--              if (ieee80211_cfg_on_oper_channel(local) && !on_oper_chan)
-+              if (!ieee80211_cfg_on_oper_channel(local))
-                       ieee80211_hw_config(local, 0);
+                       if (WARN_ON(!info->control.vif)) {
+-                              kfree_skb(skb);
++                              ieee80211_free_txskb(&local->hw, skb);
+                               continue;
+                       }
  
-               /* At the least, we need to disable offchannel_ps,