+ 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;
+
+ if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
+--- a/net/mac80211/debugfs_sta.c
++++ b/net/mac80211/debugfs_sta.c
+@@ -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);
+ }