ar71xx: on ar7240, exclude ports from their own port vlan destination mask
[openwrt.git] / package / mac80211 / patches / 300-pending_work.patch
index 01df8f7..371e82b 100644 (file)
@@ -1,17 +1,46 @@
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -1122,6 +1122,7 @@ struct cfg80211_ibss_params {
+       u8 *ssid;
+       u8 *bssid;
+       struct ieee80211_channel *channel;
++      enum nl80211_channel_type channel_type;
+       u8 *ie;
+       u8 ssid_len, ie_len;
+       u16 beacon_interval;
+@@ -3188,6 +3189,16 @@ void cfg80211_gtk_rekey_notify(struct ne
+ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
+                                    const u8 *bssid, bool preauth, gfp_t gfp);
++/**
++ * cfg80211_can_use_ext_chan - test if ht40 on extension channel can be used
++ * @wiphy: the wiphy
++ * @chan: main channel
++ * @channel_type: HT mode
++ */
++bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
++                                struct ieee80211_channel *chan,
++                                enum nl80211_channel_type channel_type);
++
+ /* Logging, debugging and troubleshooting/diagnostic helpers. */
+ /* wiphy_printk helpers, similar to dev_printk */
 --- a/net/mac80211/agg-rx.c
 +++ b/net/mac80211/agg-rx.c
 --- a/net/mac80211/agg-rx.c
 +++ b/net/mac80211/agg-rx.c
-@@ -184,6 +184,8 @@ static void ieee80211_send_addba_resp(st
+@@ -180,6 +180,10 @@ static void ieee80211_send_addba_resp(st
                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);
 +      else if (sdata->vif.type == NL80211_IFTYPE_WDS)
 +              memcpy(mgmt->bssid, da, 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);
 +      else if (sdata->vif.type == NL80211_IFTYPE_WDS)
 +              memcpy(mgmt->bssid, da, ETH_ALEN);
++      else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
++              memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
  
        mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
                                          IEEE80211_STYPE_ACTION);
 --- a/net/mac80211/agg-tx.c
 +++ b/net/mac80211/agg-tx.c
  
        mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
                                          IEEE80211_STYPE_ACTION);
 --- a/net/mac80211/agg-tx.c
 +++ b/net/mac80211/agg-tx.c
-@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request
+@@ -77,10 +77,13 @@ static void ieee80211_send_addba_request
        memcpy(mgmt->da, da, ETH_ALEN);
        memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
        if (sdata->vif.type == NL80211_IFTYPE_AP ||
        memcpy(mgmt->da, da, ETH_ALEN);
        memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
        if (sdata->vif.type == NL80211_IFTYPE_AP ||
                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);
                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
++      else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
++              memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
+       mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+                                         IEEE80211_STYPE_ACTION);
+@@ -397,7 +400,9 @@ int ieee80211_start_tx_ba_session(struct
         */
        if (sdata->vif.type != NL80211_IFTYPE_STATION &&
            sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 -          sdata->vif.type != NL80211_IFTYPE_AP)
 +          sdata->vif.type != NL80211_IFTYPE_AP &&
         */
        if (sdata->vif.type != NL80211_IFTYPE_STATION &&
            sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 -          sdata->vif.type != NL80211_IFTYPE_AP)
 +          sdata->vif.type != NL80211_IFTYPE_AP &&
++          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 +          sdata->vif.type != NL80211_IFTYPE_WDS)
                return -EINVAL;
  
 +          sdata->vif.type != NL80211_IFTYPE_WDS)
                return -EINVAL;
  
-       if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
+       if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
 --- a/net/mac80211/debugfs_sta.c
 +++ b/net/mac80211/debugfs_sta.c
 --- 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",
+                           TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
+                           TEST(PS_DRIVER), TEST(AUTHORIZED),
+                           TEST(SHORT_PREAMBLE), TEST(ASSOC_AP),
+-                          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));
+--- a/net/mac80211/ht.c
++++ b/net/mac80211/ht.c
+@@ -199,6 +199,8 @@ void ieee80211_send_delba(struct ieee802
+               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);
++      else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
++              memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
+       mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+                                         IEEE80211_STYPE_ACTION);
+--- a/net/mac80211/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -77,6 +77,7 @@ static void __ieee80211_sta_join_ibss(st
+       struct cfg80211_bss *bss;
+       u32 bss_change;
+       u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
++      enum nl80211_channel_type channel_type;
+       lockdep_assert_held(&ifibss->mtx);
+@@ -104,8 +105,16 @@ static void __ieee80211_sta_join_ibss(st
+       sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
+-      local->oper_channel = chan;
+-      WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT));
++      channel_type = ifibss->channel_type;
++      if (channel_type > NL80211_CHAN_HT20 &&
++          !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type))
++              channel_type = NL80211_CHAN_HT20;
++      if (!ieee80211_set_channel_type(local, sdata, channel_type)) {
++              /* can only fail due to HT40+/- mismatch */
++              channel_type = NL80211_CHAN_HT20;
++              WARN_ON(!ieee80211_set_channel_type(local, sdata,
++                                                  NL80211_CHAN_HT20));
++      }
+       ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+       sband = local->hw.wiphy->bands[chan->band];
+@@ -171,6 +180,18 @@ static void __ieee80211_sta_join_ibss(st
+               memcpy(skb_put(skb, ifibss->ie_len),
+                      ifibss->ie, ifibss->ie_len);
++      /* add HT capability and information IEs */
++      if (channel_type && sband->ht_cap.ht_supported) {
++              pos = skb_put(skb, 4 +
++                                 sizeof(struct ieee80211_ht_cap) +
++                                 sizeof(struct ieee80211_ht_info));
++              pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap);
++              pos = ieee80211_ie_build_ht_info(pos,
++                                               &sband->ht_cap,
++                                               chan,
++                                               channel_type);
++      }
++
+       if (local->hw.queues >= 4) {
+               pos = skb_put(skb, 9);
+               *pos++ = WLAN_EID_VENDOR_SPECIFIC;
+@@ -194,6 +215,7 @@ static void __ieee80211_sta_join_ibss(st
+       bss_change |= BSS_CHANGED_BEACON;
+       bss_change |= BSS_CHANGED_BEACON_ENABLED;
+       bss_change |= BSS_CHANGED_BASIC_RATES;
++      bss_change |= BSS_CHANGED_HT;
+       bss_change |= BSS_CHANGED_IBSS;
+       sdata->vif.bss_conf.ibss_joined = true;
+       ieee80211_bss_info_change_notify(sdata, bss_change);
+@@ -266,6 +288,7 @@ static void ieee80211_rx_bss_info(struct
+       u64 beacon_timestamp, rx_timestamp;
+       u32 supp_rates = 0;
+       enum ieee80211_band band = rx_status->band;
++      struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
+       if (elems->ds_params && elems->ds_params_len == 1)
+               freq = ieee80211_channel_to_frequency(elems->ds_params[0],
+@@ -275,7 +298,10 @@ static void ieee80211_rx_bss_info(struct
+       channel = ieee80211_get_channel(local->hw.wiphy, freq);
+-      if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
++      if (!channel ||
++          channel->flags & (IEEE80211_CHAN_DISABLED ||
++                            IEEE80211_CHAN_NO_IBSS ||
++                            IEEE80211_CHAN_RADAR))
+               return;
+       if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+@@ -313,8 +339,41 @@ static void ieee80211_rx_bss_info(struct
+                                               GFP_ATOMIC);
+               }
+-              if (sta && elems->wmm_info)
+-                      set_sta_flag(sta, WLAN_STA_WME);
++              if (sta) {
++                      if (elems->wmm_info)
++                              set_sta_flag(sta, WLAN_STA_WME);
++
++                      /* we both use HT */
++                      if (elems->ht_info_elem && elems->ht_cap_elem &&
++                          sdata->u.ibss.channel_type) {
++                              enum nl80211_channel_type channel_type =
++                                      ieee80211_ht_info_to_channel_type(
++                                                         elems->ht_info_elem);
++                              struct ieee80211_sta_ht_cap sta_ht_cap_new;
++
++                              /*
++                               * fall back to HT20 if we don't use or use
++                               * the other extension channel
++                               */
++                              if (channel_type > NL80211_CHAN_HT20 &&
++                                  channel_type != sdata->u.ibss.channel_type)
++                                      channel_type = NL80211_CHAN_HT20;
++
++                              ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
++                                              elems->ht_cap_elem,
++                                              &sta_ht_cap_new);
++                              if (memcmp(&sta->sta.ht_cap, &sta_ht_cap_new,
++                                         sizeof(sta_ht_cap_new))) {
++                                      memcpy(&sta->sta.ht_cap,
++                                             &sta_ht_cap_new,
++                                             sizeof(sta_ht_cap_new));
++                                      rate_control_rate_update(local, sband,
++                                                      sta,
++                                                      IEEE80211_RC_HT_CHANGED,
++                                                      channel_type);
++                              }
++                      }
++              }
+               rcu_read_unlock();
+       }
+@@ -896,10 +955,15 @@ int ieee80211_ibss_join(struct ieee80211
+       struct sk_buff *skb;
+       skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom +
+-                          36 /* bitrates */ +
+-                          34 /* SSID */ +
+-                          3  /* DS params */ +
+-                          4  /* IBSS params */ +
++                          sizeof(struct ieee80211_hdr_3addr) +
++                          12 /* struct ieee80211_mgmt.u.beacon */ +
++                          2 + IEEE80211_MAX_SSID_LEN /* max SSID */ +
++                          2 + 8 /* max Supported Rates */ +
++                          3 /* max DS params */ +
++                          4 /* IBSS params */ +
++                          2 + (IEEE80211_MAX_SUPP_RATES - 8) +
++                          2 + sizeof(struct ieee80211_ht_cap) +
++                          2 + sizeof(struct ieee80211_ht_info) +
+                           params->ie_len);
+       if (!skb)
+               return -ENOMEM;
+@@ -920,13 +984,15 @@ int ieee80211_ibss_join(struct ieee80211
+       sdata->vif.bss_conf.beacon_int = params->beacon_interval;
+       sdata->u.ibss.channel = params->channel;
++      sdata->u.ibss.channel_type = params->channel_type;
+       sdata->u.ibss.fixed_channel = params->channel_fixed;
+       /* fix ourselves to that channel now already */
+       if (params->channel_fixed) {
+               sdata->local->oper_channel = params->channel;
+-              WARN_ON(!ieee80211_set_channel_type(sdata->local, sdata,
+-                                                  NL80211_CHAN_NO_HT));
++              if (!ieee80211_set_channel_type(sdata->local, sdata,
++                                             params->channel_type))
++                      return -EINVAL;
+       }
+       if (params->ie) {
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -465,6 +465,7 @@ struct ieee80211_if_ibss {
+       u8 ssid_len, ie_len;
+       u8 *ie;
+       struct ieee80211_channel *channel;
++      enum nl80211_channel_type channel_type;
+       unsigned long ibss_join_req;
+       /* probe response/beacon for IBSS */
+@@ -1339,6 +1340,12 @@ void ieee80211_recalc_smps(struct ieee80
+ size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
+                         const u8 *ids, int n_ids, size_t offset);
+ size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
++u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband,
++                            u16 cap);
++u8 *ieee80211_ie_build_ht_info(u8 *pos,
++                              struct ieee80211_sta_ht_cap *ht_cap,
++                              struct ieee80211_channel *channel,
++                              enum nl80211_channel_type channel_type);
+ /* internal work items */
+ void ieee80211_work_init(struct ieee80211_local *local);
+@@ -1367,6 +1374,8 @@ ieee80211_get_channel_mode(struct ieee80
+ bool ieee80211_set_channel_type(struct ieee80211_local *local,
+                               struct ieee80211_sub_if_data *sdata,
+                               enum nl80211_channel_type chantype);
++enum nl80211_channel_type
++ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info);
+ #ifdef CONFIG_MAC80211_NOINLINE
+ #define debug_noinline noinline
 --- a/net/mac80211/iface.c
 +++ b/net/mac80211/iface.c
 @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
 --- a/net/mac80211/iface.c
 +++ b/net/mac80211/iface.c
 @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
 -                      goto err_del_interface;
 -              }
 -
 -                      goto err_del_interface;
 -              }
 -
--              /* no locking required since STA is not live yet */
--              sta->flags |= WLAN_STA_AUTHORIZED;
+-              /* no atomic bitop required since STA is not live yet */
+-              set_sta_flag(sta, WLAN_STA_AUTHORIZED);
 -
 -              res = sta_info_insert(sta);
 -              if (res) {
 -
 -              res = sta_info_insert(sta);
 -              if (res) {
   err_stop:
        if (!local->open_count)
                drv_stop(local);
   err_stop:
        if (!local->open_count)
                drv_stop(local);
-@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
+@@ -716,6 +693,70 @@ static void ieee80211_if_setup(struct ne
        dev->destructor = free_netdev;
  }
  
        dev->destructor = free_netdev;
  }
  
 +                              elems.ht_cap_elem, &sta->sta.ht_cap);
 +
 +      if (elems.wmm_param)
 +                              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) {
 +
 +      if (new) {
-+              sta->flags = WLAN_STA_AUTHORIZED;
++              set_sta_flag(sta, WLAN_STA_AUTHORIZED);
 +              rate_control_rate_init(sta);
 +              sta_info_insert_rcu(sta);
 +      }
 +              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 =
  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 
+@@ -820,6 +861,9 @@ static void ieee80211_iface_work(struct 
                                break;
                        ieee80211_mesh_rx_queued_mgmt(sdata, skb);
                        break;
                                break;
                        ieee80211_mesh_rx_queued_mgmt(sdata, skb);
                        break;
                        break;
 --- a/net/mac80211/rx.c
 +++ b/net/mac80211/rx.c
                        break;
 --- a/net/mac80211/rx.c
 +++ b/net/mac80211/rx.c
-@@ -2160,7 +2160,8 @@ ieee80211_rx_h_action(struct ieee80211_r
+@@ -2211,7 +2211,9 @@ ieee80211_rx_h_action(struct ieee80211_r
                 */
                if (sdata->vif.type != NL80211_IFTYPE_STATION &&
                    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 -                  sdata->vif.type != NL80211_IFTYPE_AP)
 +                  sdata->vif.type != NL80211_IFTYPE_AP &&
                 */
                if (sdata->vif.type != NL80211_IFTYPE_STATION &&
                    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 -                  sdata->vif.type != NL80211_IFTYPE_AP)
 +                  sdata->vif.type != NL80211_IFTYPE_AP &&
++                  sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 +                  sdata->vif.type != NL80211_IFTYPE_WDS)
                        break;
  
                /* verify action_code is present */
 +                  sdata->vif.type != NL80211_IFTYPE_WDS)
                        break;
  
                /* verify action_code is present */
-@@ -2375,13 +2376,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2426,13 +2428,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
  
        if (!ieee80211_vif_is_mesh(&sdata->vif) &&
            sdata->vif.type != NL80211_IFTYPE_ADHOC &&
  
        if (!ieee80211_vif_is_mesh(&sdata->vif) &&
            sdata->vif.type != NL80211_IFTYPE_ADHOC &&
                break;
        case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
        case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
                break;
        case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
        case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
-@@ -2724,10 +2726,16 @@ static int prepare_for_handlers(struct i
+@@ -2775,10 +2778,16 @@ static int prepare_for_handlers(struct i
                }
                break;
        case NL80211_IFTYPE_WDS:
                }
                break;
        case NL80211_IFTYPE_WDS:
                /* should never get here */
 --- a/net/mac80211/sta_info.h
 +++ b/net/mac80211/sta_info.h
                /* should never get here */
 --- a/net/mac80211/sta_info.h
 +++ b/net/mac80211/sta_info.h
-@@ -31,7 +31,6 @@
+@@ -32,7 +32,6 @@
   *    frames.
   * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
   * @WLAN_STA_WME: Station is a QoS-STA.
   *    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_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.
   * @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/ar9003_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-@@ -671,7 +671,7 @@ static int ar9003_hw_process_ini(struct 
-               REG_WRITE_ARRAY(&ah->iniModesAdditional,
-                               modesIndex, regWrites);
--      if (AR_SREV_9300(ah))
-+      if (AR_SREV_9330(ah))
-               REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites);
-       if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -997,8 +997,14 @@ void ath9k_hw_init_global_settings(struc
-               slottime = 21;
-               sifstime = 64;
-       } else {
--              eifs = REG_READ(ah, AR_D_GBL_IFS_EIFS)/common->clockrate;
--              reg = REG_READ(ah, AR_USEC);
-+              if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) {
-+                      eifs = AR_D_GBL_IFS_EIFS_ASYNC_FIFO;
-+                      reg = AR_USEC_ASYNC_FIFO;
-+              } else {
-+                      eifs = REG_READ(ah, AR_D_GBL_IFS_EIFS)/
-+                              common->clockrate;
-+                      reg = REG_READ(ah, AR_USEC);
-+              }
-               rx_lat = MS(reg, AR_USEC_RX_LAT);
-               tx_lat = MS(reg, AR_USEC_TX_LAT);
---- a/drivers/net/wireless/ath/ath9k/reg.h
-+++ b/drivers/net/wireless/ath/ath9k/reg.h
-@@ -619,6 +619,7 @@
- #define AR_D_GBL_IFS_EIFS         0x10b0
- #define AR_D_GBL_IFS_EIFS_M       0x0000FFFF
- #define AR_D_GBL_IFS_EIFS_RESV0   0xFFFF0000
-+#define AR_D_GBL_IFS_EIFS_ASYNC_FIFO 363
- #define AR_D_GBL_IFS_MISC        0x10f0
- #define AR_D_GBL_IFS_MISC_LFSR_SLICE_SEL        0x00000007
-@@ -1503,6 +1504,7 @@ enum {
- #define AR_USEC_TX_LAT_S     14
- #define AR_USEC_RX_LAT       0x1F800000
- #define AR_USEC_RX_LAT_S     23
-+#define AR_USEC_ASYNC_FIFO   0x12E00074
- #define AR_RESET_TSF        0x8020
- #define AR_RESET_TSF_ONCE   0x01000000
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -582,7 +582,10 @@ static bool ath_lookup_legacy(struct ath
-       tx_info = IEEE80211_SKB_CB(skb);
-       rates = tx_info->control.rates;
--      for (i = 3; i >= 0; i--) {
-+      for (i = 0; i < 4; i++) {
-+              if (!rates[i].count || rates[i].idx < 0)
-+                      break;
+@@ -61,7 +60,6 @@ enum ieee80211_sta_info_flags {
+       WLAN_STA_SHORT_PREAMBLE,
+       WLAN_STA_ASSOC_AP,
+       WLAN_STA_WME,
+-      WLAN_STA_WDS,
+       WLAN_STA_CLEAR_PS_FILT,
+       WLAN_STA_MFP,
+       WLAN_STA_BLOCK_BA,
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -836,23 +836,8 @@ int ieee80211_build_preq_ies(struct ieee
+               offset = noffset;
+       }
+-      if (sband->ht_cap.ht_supported) {
+-              u16 cap = sband->ht_cap.cap;
+-              __le16 tmp;
+-
+-              *pos++ = WLAN_EID_HT_CAPABILITY;
+-              *pos++ = sizeof(struct ieee80211_ht_cap);
+-              memset(pos, 0, sizeof(struct ieee80211_ht_cap));
+-              tmp = cpu_to_le16(cap);
+-              memcpy(pos, &tmp, sizeof(u16));
+-              pos += sizeof(u16);
+-              *pos++ = sband->ht_cap.ampdu_factor |
+-                       (sband->ht_cap.ampdu_density <<
+-                              IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
+-              memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
+-              pos += sizeof(sband->ht_cap.mcs);
+-              pos += 2 + 4 + 1; /* ext info, BF cap, antsel */
+-      }
++      if (sband->ht_cap.ht_supported)
++              pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap);
+       /*
+        * If adding more here, adjust code in main.c
+@@ -1443,3 +1428,100 @@ int ieee80211_add_ext_srates_ie(struct i
+       }
+       return 0;
+ }
++
++u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband,
++                            u16 cap)
++{
++      __le16 tmp;
++
++      *pos++ = WLAN_EID_HT_CAPABILITY;
++      *pos++ = sizeof(struct ieee80211_ht_cap);
++      memset(pos, 0, sizeof(struct ieee80211_ht_cap));
++
++      /* capability flags */
++      tmp = cpu_to_le16(cap);
++      memcpy(pos, &tmp, sizeof(u16));
++      pos += sizeof(u16);
++
++      /* AMPDU parameters */
++      *pos++ = sband->ht_cap.ampdu_factor |
++               (sband->ht_cap.ampdu_density <<
++                      IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
++
++      /* MCS set */
++      memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
++      pos += sizeof(sband->ht_cap.mcs);
++
++      /* extended capabilities */
++      pos += sizeof(__le16);
++
++      /* BF capabilities */
++      pos += sizeof(__le32);
++
++      /* antenna selection */
++      pos += sizeof(u8);
++
++      return pos;
++}
++
++u8 *ieee80211_ie_build_ht_info(u8 *pos,
++                             struct ieee80211_sta_ht_cap *ht_cap,
++                             struct ieee80211_channel *channel,
++                             enum nl80211_channel_type channel_type)
++{
++      struct ieee80211_ht_info *ht_info;
++      /* Build HT Information */
++      *pos++ = WLAN_EID_HT_INFORMATION;
++      *pos++ = sizeof(struct ieee80211_ht_info);
++      ht_info = (struct ieee80211_ht_info *)pos;
++      ht_info->control_chan =
++                      ieee80211_frequency_to_channel(channel->center_freq);
++      switch (channel_type) {
++      case NL80211_CHAN_HT40MINUS:
++              ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
++              break;
++      case NL80211_CHAN_HT40PLUS:
++              ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
++              break;
++      case NL80211_CHAN_HT20:
++      default:
++              ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
++              break;
++      }
++      if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
++              ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
++      ht_info->operation_mode = 0x0000;
++      ht_info->stbc_param = 0x0000;
++
++      /* It seems that Basic MCS set and Supported MCS set
++         are identical for the first 10 bytes */
++      memset(&ht_info->basic_set, 0, 16);
++      memcpy(&ht_info->basic_set, &ht_cap->mcs, 10);
++
++      return pos + sizeof(struct ieee80211_ht_info);
++}
 +
 +
-               if (!(rates[i].flags & IEEE80211_TX_RC_MCS))
-                       return true;
++enum nl80211_channel_type
++ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info)
++{
++      enum nl80211_channel_type channel_type;
++
++      if (!ht_info)
++              return NL80211_CHAN_NO_HT;
++
++      switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
++      case IEEE80211_HT_PARAM_CHA_SEC_NONE:
++              channel_type = NL80211_CHAN_HT20;
++              break;
++      case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
++              channel_type = NL80211_CHAN_HT40PLUS;
++              break;
++      case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
++              channel_type = NL80211_CHAN_HT40MINUS;
++              break;
++      default:
++              channel_type = NL80211_CHAN_NO_HT;
++      }
++
++      return channel_type;
++}
+--- a/net/mac80211/work.c
++++ b/net/mac80211/work.c
+@@ -118,7 +118,6 @@ static void ieee80211_add_ht_ie(struct s
+       u8 *pos;
+       u32 flags = channel->flags;
+       u16 cap = sband->ht_cap.cap;
+-      __le16 tmp;
+       if (!sband->ht_cap.ht_supported)
+               return;
+@@ -169,34 +168,8 @@ static void ieee80211_add_ht_ie(struct s
+       }
+       /* reserve and fill IE */
+-
+       pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
+-      *pos++ = WLAN_EID_HT_CAPABILITY;
+-      *pos++ = sizeof(struct ieee80211_ht_cap);
+-      memset(pos, 0, sizeof(struct ieee80211_ht_cap));
+-
+-      /* capability flags */
+-      tmp = cpu_to_le16(cap);
+-      memcpy(pos, &tmp, sizeof(u16));
+-      pos += sizeof(u16);
+-
+-      /* AMPDU parameters */
+-      *pos++ = sband->ht_cap.ampdu_factor |
+-               (sband->ht_cap.ampdu_density <<
+-                      IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
+-
+-      /* MCS set */
+-      memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
+-      pos += sizeof(sband->ht_cap.mcs);
+-
+-      /* extended capabilities */
+-      pos += sizeof(__le16);
+-
+-      /* BF capabilities */
+-      pos += sizeof(__le32);
+-
+-      /* antenna selection */
+-      pos += sizeof(u8);
++      ieee80211_ie_build_ht_cap(pos, sband, cap);
+ }
+ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
+--- a/net/wireless/chan.c
++++ b/net/wireless/chan.c
+@@ -44,9 +44,9 @@ rdev_freq_to_chan(struct cfg80211_regist
+       return chan;
+ }
+-static bool can_beacon_sec_chan(struct wiphy *wiphy,
+-                              struct ieee80211_channel *chan,
+-                              enum nl80211_channel_type channel_type)
++bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
++                                struct ieee80211_channel *chan,
++                                enum nl80211_channel_type channel_type)
+ {
+       struct ieee80211_channel *sec_chan;
+       int diff;
+@@ -75,6 +75,7 @@ static bool can_beacon_sec_chan(struct w
+       return true;
+ }
++EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan);
+ int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
+                     struct wireless_dev *wdev, int freq,
+@@ -109,8 +110,8 @@ int cfg80211_set_freq(struct cfg80211_re
+               switch (channel_type) {
+               case NL80211_CHAN_HT40PLUS:
+               case NL80211_CHAN_HT40MINUS:
+-                      if (!can_beacon_sec_chan(&rdev->wiphy, chan,
+-                                               channel_type)) {
++                      if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, chan,
++                                                        channel_type)) {
+                               printk(KERN_DEBUG
+                                      "cfg80211: Secondary channel not "
+                                      "allowed to initiate communication\n");
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -4574,13 +4574,34 @@ static int nl80211_join_ibss(struct sk_b
+               ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
        }
        }
+-      ibss.channel = ieee80211_get_channel(wiphy,
+-              nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
++      if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
++              enum nl80211_channel_type channel_type;
++
++              channel_type = nla_get_u32(
++                              info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
++              if (channel_type > NL80211_CHAN_HT40PLUS)
++                      return -EINVAL;
++              ibss.channel_type = channel_type;
++      } else {
++              ibss.channel_type = NL80211_CHAN_NO_HT;
++      }
++
++      ibss.channel = rdev_freq_to_chan(rdev,
++              nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
++              ibss.channel_type);
+       if (!ibss.channel ||
++          ibss.channel->flags & IEEE80211_CHAN_RADAR ||
+           ibss.channel->flags & IEEE80211_CHAN_NO_IBSS ||
+           ibss.channel->flags & IEEE80211_CHAN_DISABLED)
+               return -EINVAL;
++      /* Both channels should be able to initiate communication */
++      if ((ibss.channel_type == NL80211_CHAN_HT40PLUS ||
++           ibss.channel_type == NL80211_CHAN_HT40MINUS) &&
++          !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel,
++                                        ibss.channel_type))
++              return -EINVAL;
++
+       ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
+       ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
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