Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

37 files changed, 1237 insertions, 885 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 6733b374..4965aa6 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -370,30 +370,32 @@ static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 	return 0;
 }
 
-static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
-{
-	enum ieee80211_band band = ieee80211_get_sdata_band(sta->sdata);
-
-	if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
-		struct ieee80211_supported_band *sband;
-		sband = sta->local->hw.wiphy->bands[band];
-		rate->legacy = sband->bitrates[idx].bitrate;
-	} else
-		rate->mcs = idx;
-}
-
 void sta_set_rate_info_tx(struct sta_info *sta,
 			  const struct ieee80211_tx_rate *rate,
 			  struct rate_info *rinfo)
 {
 	rinfo->flags = 0;
-	if (rate->flags & IEEE80211_TX_RC_MCS)
+	if (rate->flags & IEEE80211_TX_RC_MCS) {
 		rinfo->flags |= RATE_INFO_FLAGS_MCS;
+		rinfo->mcs = rate->idx;
+	} else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
+		rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
+		rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
+		rinfo->nss = ieee80211_rate_get_vht_nss(rate);
+	} else {
+		struct ieee80211_supported_band *sband;
+		sband = sta->local->hw.wiphy->bands[
+				ieee80211_get_sdata_band(sta->sdata)];
+		rinfo->legacy = sband->bitrates[rate->idx].bitrate;
+	}
 	if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 		rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+	if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
+		rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
+	if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
+		rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 	if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
-	rate_idx_to_bitrate(rinfo, sta, rate->idx);
 }
 
 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
@@ -444,13 +446,32 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 	sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
 
 	sinfo->rxrate.flags = 0;
-	if (sta->last_rx_rate_flag & RX_FLAG_HT)
+	if (sta->last_rx_rate_flag & RX_FLAG_HT) {
 		sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
+		sinfo->rxrate.mcs = sta->last_rx_rate_idx;
+	} else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
+		sinfo->rxrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
+		sinfo->rxrate.nss = sta->last_rx_rate_vht_nss;
+		sinfo->rxrate.mcs = sta->last_rx_rate_idx;
+	} else {
+		struct ieee80211_supported_band *sband;
+
+		sband = sta->local->hw.wiphy->bands[
+				ieee80211_get_sdata_band(sta->sdata)];
+		sinfo->rxrate.legacy =
+			sband->bitrates[sta->last_rx_rate_idx].bitrate;
+	}
+
 	if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
 		sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 	if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
 		sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
-	rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
+	if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
+		sinfo->rxrate.flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
+	if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
+		sinfo->rxrate.flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
+	if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
+		sinfo->rxrate.flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 
 	if (ieee80211_vif_is_mesh(&sdata->vif)) {
 #ifdef CONFIG_MAC80211_MESH
@@ -615,7 +636,7 @@ do_survey:
 	rcu_read_lock();
 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 	if (chanctx_conf)
-		channel = chanctx_conf->channel;
+		channel = chanctx_conf->def.chan;
 	else
 		channel = NULL;
 	rcu_read_unlock();
@@ -735,15 +756,13 @@ static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 }
 
 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
-					 struct ieee80211_channel *chan,
-					 enum nl80211_channel_type channel_type)
+					 struct cfg80211_chan_def *chandef)
 {
 	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	int ret = 0;
 
-	if (local->monitor_channel == chan &&
-	    local->monitor_channel_type == channel_type)
+	if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
 		return 0;
 
 	mutex_lock(&local->iflist_mtx);
@@ -753,20 +772,17 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 				lockdep_is_held(&local->iflist_mtx));
 		if (sdata) {
 			ieee80211_vif_release_channel(sdata);
-			ret = ieee80211_vif_use_channel(
-					sdata, chan, channel_type,
+			ret = ieee80211_vif_use_channel(sdata, chandef,
 					IEEE80211_CHANCTX_EXCLUSIVE);
 		}
 	} else if (local->open_count == local->monitors) {
-		local->_oper_channel = chan;
-		local->_oper_channel_type = channel_type;
+		local->_oper_channel = chandef->chan;
+		local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
 		ieee80211_hw_config(local, 0);
 	}
 
-	if (ret == 0) {
-		local->monitor_channel = chan;
-		local->monitor_channel_type = channel_type;
-	}
+	if (ret == 0)
+		local->monitor_chandef = *chandef;
 	mutex_unlock(&local->iflist_mtx);
 
 	return ret;
@@ -888,8 +904,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 	sdata->smps_mode = IEEE80211_SMPS_OFF;
 	sdata->needed_rx_chains = sdata->local->rx_chains;
 
-	err = ieee80211_vif_use_channel(sdata, params->channel,
-					params->channel_type,
+	err = ieee80211_vif_use_channel(sdata, &params->chandef,
 					IEEE80211_CHANCTX_SHARED);
 	if (err)
 		return err;
@@ -1707,8 +1722,7 @@ static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
 	sdata->smps_mode = IEEE80211_SMPS_OFF;
 	sdata->needed_rx_chains = sdata->local->rx_chains;
 
-	err = ieee80211_vif_use_channel(sdata, setup->channel,
-					setup->channel_type,
+	err = ieee80211_vif_use_channel(sdata, &setup->chandef,
 					IEEE80211_CHANCTX_SHARED);
 	if (err)
 		return err;
@@ -1990,10 +2004,16 @@ static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
 			return err;
 	}
 
-	if (changed & WIPHY_PARAM_RETRY_SHORT)
+	if (changed & WIPHY_PARAM_RETRY_SHORT) {
+		if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
+			return -EINVAL;
 		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
-	if (changed & WIPHY_PARAM_RETRY_LONG)
+	}
+	if (changed & WIPHY_PARAM_RETRY_LONG) {
+		if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
+			return -EINVAL;
 		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
+	}
 	if (changed &
 	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
@@ -2129,7 +2149,7 @@ int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
 	 * the new value until we associate.
 	 */
 	if (!sdata->u.mgd.associated ||
-	    sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT)
+	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
 		return 0;
 
 	ap = sdata->u.mgd.associated->bssid;
@@ -2236,7 +2256,6 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
 static int ieee80211_start_roc_work(struct ieee80211_local *local,
 				    struct ieee80211_sub_if_data *sdata,
 				    struct ieee80211_channel *channel,
-				    enum nl80211_channel_type channel_type,
 				    unsigned int duration, u64 *cookie,
 				    struct sk_buff *txskb)
 {
@@ -2254,7 +2273,6 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
 		return -ENOMEM;
 
 	roc->chan = channel;
-	roc->chan_type = channel_type;
 	roc->duration = duration;
 	roc->req_duration = duration;
 	roc->frame = txskb;
@@ -2287,8 +2305,7 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
 	if (!duration)
 		duration = 10;
 
-	ret = drv_remain_on_channel(local, sdata, channel, channel_type,
-				    duration);
+	ret = drv_remain_on_channel(local, sdata, channel, duration);
 	if (ret) {
 		kfree(roc);
 		return ret;
@@ -2299,8 +2316,7 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
 
  out_check_combine:
 	list_for_each_entry(tmp, &local->roc_list, list) {
-		if (tmp->chan != channel || tmp->chan_type != channel_type ||
-		    tmp->sdata != sdata)
+		if (tmp->chan != channel || tmp->sdata != sdata)
 			continue;
 
 		/*
@@ -2417,7 +2433,6 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
 				       struct wireless_dev *wdev,
 				       struct ieee80211_channel *chan,
-				       enum nl80211_channel_type channel_type,
 				       unsigned int duration,
 				       u64 *cookie)
 {
@@ -2426,7 +2441,7 @@ static int ieee80211_remain_on_channel(struct wiphy *wiphy,
 	int ret;
 
 	mutex_lock(&local->mtx);
-	ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
+	ret = ieee80211_start_roc_work(local, sdata, chan,
 				       duration, cookie, NULL);
 	mutex_unlock(&local->mtx);
 
@@ -2519,10 +2534,8 @@ static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
 
 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 			     struct ieee80211_channel *chan, bool offchan,
-			     enum nl80211_channel_type channel_type,
-			     bool channel_type_valid, unsigned int wait,
-			     const u8 *buf, size_t len, bool no_cck,
-			     bool dont_wait_for_ack, u64 *cookie)
+			     unsigned int wait, const u8 *buf, size_t len,
+			     bool no_cck, bool dont_wait_for_ack, u64 *cookie)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 	struct ieee80211_local *local = sdata->local;
@@ -2591,14 +2604,10 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 		rcu_read_lock();
 		chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 
-		if (chanctx_conf) {
-			need_offchan = chan != chanctx_conf->channel;
-			if (channel_type_valid &&
-			    channel_type != chanctx_conf->channel_type)
-				need_offchan = true;
-		} else {
+		if (chanctx_conf)
+			need_offchan = chan != chanctx_conf->def.chan;
+		else
 			need_offchan = true;
-		}
 		rcu_read_unlock();
 	}
 
@@ -2633,7 +2642,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 			local->hw.offchannel_tx_hw_queue;
 
 	/* This will handle all kinds of coalescing and immediate TX */
-	ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
+	ret = ieee80211_start_roc_work(local, sdata, chan,
 				       wait, cookie, skb);
 	if (ret)
 		kfree_skb(skb);
@@ -3067,7 +3076,7 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
 		rcu_read_unlock();
 		return -EINVAL;
 	}
-	band = chanctx_conf->channel->band;
+	band = chanctx_conf->def.chan->band;
 	sta = sta_info_get(sdata, peer);
 	if (sta) {
 		qos = test_sta_flag(sta, WLAN_STA_WME);
@@ -3124,23 +3133,23 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
 	return 0;
 }
 
-static struct ieee80211_channel *
-ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
-			  enum nl80211_channel_type *type)
+static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
+				     struct wireless_dev *wdev,
+				     struct cfg80211_chan_def *chandef)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 	struct ieee80211_chanctx_conf *chanctx_conf;
-	struct ieee80211_channel *chan = NULL;
+	int ret = -ENODATA;
 
 	rcu_read_lock();
 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 	if (chanctx_conf) {
-		*type = chanctx_conf->channel_type;
-		chan = chanctx_conf->channel;
+		*chandef = chanctx_conf->def;
+		ret = 0;
 	}
 	rcu_read_unlock();
 
-	return chan;
+	return ret;
 }
 
 #ifdef CONFIG_PM
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index a2b06d4..53f0312 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -8,93 +8,47 @@
 #include "ieee80211_i.h"
 #include "driver-ops.h"
 
-static bool
-ieee80211_channel_types_are_compatible(enum nl80211_channel_type chantype1,
-				       enum nl80211_channel_type chantype2,
-				       enum nl80211_channel_type *compat)
+static void ieee80211_change_chandef(struct ieee80211_local *local,
+				     struct ieee80211_chanctx *ctx,
+				     const struct cfg80211_chan_def *chandef)
 {
-	/*
-	 * start out with chantype1 being the result,
-	 * overwriting later if needed
-	 */
-	if (compat)
-		*compat = chantype1;
-
-	switch (chantype1) {
-	case NL80211_CHAN_NO_HT:
-		if (compat)
-			*compat = chantype2;
-		break;
-	case NL80211_CHAN_HT20:
-		/*
-		 * allow any change that doesn't go to no-HT
-		 * (if it already is no-HT no change is needed)
-		 */
-		if (chantype2 == NL80211_CHAN_NO_HT)
-			break;
-		if (compat)
-			*compat = chantype2;
-		break;
-	case NL80211_CHAN_HT40PLUS:
-	case NL80211_CHAN_HT40MINUS:
-		/* allow smaller bandwidth and same */
-		if (chantype2 == NL80211_CHAN_NO_HT)
-			break;
-		if (chantype2 == NL80211_CHAN_HT20)
-			break;
-		if (chantype2 == chantype1)
-			break;
-		return false;
-	}
-
-	return true;
-}
-
-static void ieee80211_change_chantype(struct ieee80211_local *local,
-				      struct ieee80211_chanctx *ctx,
-				      enum nl80211_channel_type chantype)
-{
-	if (chantype == ctx->conf.channel_type)
+	if (cfg80211_chandef_identical(&ctx->conf.def, chandef))
 		return;
 
-	ctx->conf.channel_type = chantype;
-	drv_change_chanctx(local, ctx, IEEE80211_CHANCTX_CHANGE_CHANNEL_TYPE);
+	WARN_ON(!cfg80211_chandef_compatible(&ctx->conf.def, chandef));
+
+	ctx->conf.def = *chandef;
+	drv_change_chanctx(local, ctx, IEEE80211_CHANCTX_CHANGE_WIDTH);
 
 	if (!local->use_chanctx) {
-		local->_oper_channel_type = chantype;
+		local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
 		ieee80211_hw_config(local, 0);
 	}
 }
 
 static struct ieee80211_chanctx *
 ieee80211_find_chanctx(struct ieee80211_local *local,
-		       struct ieee80211_channel *channel,
-		       enum nl80211_channel_type channel_type,
+		       const struct cfg80211_chan_def *chandef,
 		       enum ieee80211_chanctx_mode mode)
 {
 	struct ieee80211_chanctx *ctx;
-	enum nl80211_channel_type compat_type;
 
 	lockdep_assert_held(&local->chanctx_mtx);
 
 	if (mode == IEEE80211_CHANCTX_EXCLUSIVE)
 		return NULL;
-	if (WARN_ON(!channel))
-		return NULL;
 
 	list_for_each_entry(ctx, &local->chanctx_list, list) {
-		compat_type = ctx->conf.channel_type;
+		const struct cfg80211_chan_def *compat;
 
 		if (ctx->mode == IEEE80211_CHANCTX_EXCLUSIVE)
 			continue;
-		if (ctx->conf.channel != channel)
-			continue;
-		if (!ieee80211_channel_types_are_compatible(ctx->conf.channel_type,
-							    channel_type,
-							    &compat_type))
+
+		compat = cfg80211_chandef_compatible(&ctx->conf.def, chandef);
+		if (!compat)
 			continue;
 
-		ieee80211_change_chantype(local, ctx, compat_type);
+		ieee80211_change_chandef(local, ctx, compat);
 
 		return ctx;
 	}
@@ -104,8 +58,7 @@ ieee80211_find_chanctx(struct ieee80211_local *local,
 
 static struct ieee80211_chanctx *
 ieee80211_new_chanctx(struct ieee80211_local *local,
-		      struct ieee80211_channel *channel,
-		      enum nl80211_channel_type channel_type,
+		      const struct cfg80211_chan_def *chandef,
 		      enum ieee80211_chanctx_mode mode)
 {
 	struct ieee80211_chanctx *ctx;
@@ -117,15 +70,15 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
 	if (!ctx)
 		return ERR_PTR(-ENOMEM);
 
-	ctx->conf.channel = channel;
-	ctx->conf.channel_type = channel_type;
+	ctx->conf.def = *chandef;
 	ctx->conf.rx_chains_static = 1;
 	ctx->conf.rx_chains_dynamic = 1;
 	ctx->mode = mode;
 
 	if (!local->use_chanctx) {
-		local->_oper_channel_type = channel_type;
-		local->_oper_channel = channel;
+		local->_oper_channel_type =
+			cfg80211_get_chandef_type(chandef);
+		local->_oper_channel = chandef->chan;
 		ieee80211_hw_config(local, 0);
 	} else {
 		err = drv_add_chanctx(local, ctx);
@@ -178,41 +131,37 @@ static int ieee80211_assign_vif_chanctx(struct ieee80211_sub_if_data *sdata,
 	return 0;
 }
 
-static enum nl80211_channel_type
-ieee80211_calc_chantype(struct ieee80211_local *local,
-			struct ieee80211_chanctx *ctx)
+static void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local,
+					      struct ieee80211_chanctx *ctx)
 {
 	struct ieee80211_chanctx_conf *conf = &ctx->conf;
 	struct ieee80211_sub_if_data *sdata;
-	enum nl80211_channel_type result = NL80211_CHAN_NO_HT;
+	const struct cfg80211_chan_def *compat = NULL;
 
 	lockdep_assert_held(&local->chanctx_mtx);
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+
 		if (!ieee80211_sdata_running(sdata))
 			continue;
 		if (rcu_access_pointer(sdata->vif.chanctx_conf) != conf)
 			continue;
 
-		WARN_ON_ONCE(!ieee80211_channel_types_are_compatible(
-					sdata->vif.bss_conf.channel_type,
-					result, &result));
+		if (!compat)
+			compat = &sdata->vif.bss_conf.chandef;
+
+		compat = cfg80211_chandef_compatible(
+				&sdata->vif.bss_conf.chandef, compat);
+		if (!compat)
+			break;
 	}
 	rcu_read_unlock();
 
-	return result;
-}
-
-static void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local,
-					      struct ieee80211_chanctx *ctx)
-{
-	enum nl80211_channel_type chantype;
-
-	lockdep_assert_held(&local->chanctx_mtx);
+	if (WARN_ON_ONCE(!compat))
+		return;
 
-	chantype = ieee80211_calc_chantype(local, ctx);
-	ieee80211_change_chantype(local, ctx, chantype);
+	ieee80211_change_chandef(local, ctx, compat);
 }
 
 static void ieee80211_unassign_vif_chanctx(struct ieee80211_sub_if_data *sdata,
@@ -337,8 +286,7 @@ void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
 }
 
 int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
-			      struct ieee80211_channel *channel,
-			      enum nl80211_channel_type channel_type,
+			      const struct cfg80211_chan_def *chandef,
 			      enum ieee80211_chanctx_mode mode)
 {
 	struct ieee80211_local *local = sdata->local;
@@ -350,15 +298,15 @@ int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
 	mutex_lock(&local->chanctx_mtx);
 	__ieee80211_vif_release_channel(sdata);
 
-	ctx = ieee80211_find_chanctx(local, channel, channel_type, mode);
+	ctx = ieee80211_find_chanctx(local, chandef, mode);
 	if (!ctx)
-		ctx = ieee80211_new_chanctx(local, channel, channel_type, mode);
+		ctx = ieee80211_new_chanctx(local, chandef, mode);
 	if (IS_ERR(ctx)) {
 		ret = PTR_ERR(ctx);
 		goto out;
 	}
 
-	sdata->vif.bss_conf.channel_type = channel_type;
+	sdata->vif.bss_conf.chandef = *chandef;
 
 	ret = ieee80211_assign_vif_chanctx(sdata, ctx);
 	if (ret) {
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index ba9bd0e..cbde5cc 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -168,7 +168,6 @@ IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
 
 IEEE80211_IF_FILE(flags, flags, HEX);
 IEEE80211_IF_FILE(state, state, LHEX);
-IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
@@ -632,7 +631,6 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
 
 	DEBUGFS_ADD(flags);
 	DEBUGFS_ADD(state);
-	DEBUGFS_ADD(channel_type);
 	DEBUGFS_ADD(txpower);
 	DEBUGFS_ADD(user_power_level);
 	DEBUGFS_ADD(ap_power_level);
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 68c27aa..c6560cc 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -738,16 +738,15 @@ static inline int drv_get_antenna(struct ieee80211_local *local,
 static inline int drv_remain_on_channel(struct ieee80211_local *local,
 					struct ieee80211_sub_if_data *sdata,
 					struct ieee80211_channel *chan,
-					enum nl80211_channel_type chantype,
 					unsigned int duration)
 {
 	int ret;
 
 	might_sleep();
 
-	trace_drv_remain_on_channel(local, sdata, chan, chantype, duration);
+	trace_drv_remain_on_channel(local, sdata, chan, duration);
 	ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
-					    chan, chantype, duration);
+					    chan, duration);
 	trace_drv_return_int(local, ret);
 
 	return ret;
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 7aa02da..fa862b2 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -51,7 +51,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
 	struct cfg80211_bss *bss;
 	u32 bss_change;
 	u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
-	enum nl80211_channel_type channel_type;
+	struct cfg80211_chan_def chandef;
 
 	lockdep_assert_held(&ifibss->mtx);
 
@@ -79,12 +79,14 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
 
 	sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
 
-	channel_type = ifibss->channel_type;
-	if (!cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type))
-		channel_type = NL80211_CHAN_HT20;
+	cfg80211_chandef_create(&chandef, chan, ifibss->channel_type);
+	if (!cfg80211_reg_can_beacon(local->hw.wiphy, &chandef)) {
+		chandef.width = NL80211_CHAN_WIDTH_20;
+		chandef.center_freq1 = chan->center_freq;
+	}
 
 	ieee80211_vif_release_channel(sdata);
-	if (ieee80211_vif_use_channel(sdata, chan, channel_type,
+	if (ieee80211_vif_use_channel(sdata, &chandef,
 				      ifibss->fixed_channel ?
 					IEEE80211_CHANCTX_SHARED :
 					IEEE80211_CHANCTX_EXCLUSIVE)) {
@@ -158,7 +160,8 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
 		       ifibss->ie, ifibss->ie_len);
 
 	/* add HT capability and information IEs */
-	if (channel_type && sband->ht_cap.ht_supported) {
+	if (chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
+	    sband->ht_cap.ht_supported) {
 		pos = skb_put(skb, 4 +
 				   sizeof(struct ieee80211_ht_cap) +
 				   sizeof(struct ieee80211_ht_operation));
@@ -170,7 +173,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
 		 * keep them at 0
 		 */
 		pos = ieee80211_ie_build_ht_oper(pos, &sband->ht_cap,
-						 chan, channel_type, 0);
+						 &chandef, 0);
 	}
 
 	if (local->hw.queues >= IEEE80211_NUM_ACS) {
@@ -326,7 +329,7 @@ ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 	if (WARN_ON_ONCE(!chanctx_conf))
 		return NULL;
-	band = chanctx_conf->channel->band;
+	band = chanctx_conf->def.chan->band;
 	rcu_read_unlock();
 
 	sta = sta_info_alloc(sdata, addr, GFP_KERNEL);
@@ -374,11 +377,13 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
 	auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
 	auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
 
-	if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1)
-		return;
 	ibss_dbg(sdata,
 		 "RX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=%d)\n",
 		 mgmt->sa, mgmt->da, mgmt->bssid, auth_transaction);
+
+	if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1)
+		return;
+
 	sta_info_destroy_addr(sdata, mgmt->sa);
 	sta = ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, 0, false);
 	rcu_read_unlock();
@@ -473,9 +478,11 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 		    sdata->u.ibss.channel_type != NL80211_CHAN_NO_HT) {
 			/* we both use HT */
 			struct ieee80211_sta_ht_cap sta_ht_cap_new;
-			enum nl80211_channel_type channel_type =
-				ieee80211_ht_oper_to_channel_type(
-							elems->ht_operation);
+			struct cfg80211_chan_def chandef;
+
+			ieee80211_ht_oper_to_chandef(channel,
+						     elems->ht_operation,
+						     &chandef);
 
 			ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
 							  elems->ht_cap_elem,
@@ -485,9 +492,9 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 			 * fall back to HT20 if we don't use or use
 			 * the other extension channel
 			 */
-			if (!(channel_type == NL80211_CHAN_HT40MINUS ||
-			      channel_type == NL80211_CHAN_HT40PLUS) ||
-			    channel_type != sdata->u.ibss.channel_type)
+			if (chandef.width != NL80211_CHAN_WIDTH_40 ||
+			    cfg80211_get_chandef_type(&chandef) !=
+						sdata->u.ibss.channel_type)
 				sta_ht_cap_new.cap &=
 					~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 
@@ -611,7 +618,7 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
 		rcu_read_unlock();
 		return;
 	}
-	band = chanctx_conf->channel->band;
+	band = chanctx_conf->def.chan->band;
 	rcu_read_unlock();
 
 	sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
@@ -1076,8 +1083,9 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
 
 	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.channel = params->chandef.chan;
+	sdata->u.ibss.channel_type =
+		cfg80211_get_chandef_type(&params->chandef);
 	sdata->u.ibss.fixed_channel = params->channel_fixed;
 
 	if (params->ie) {
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 115117c..5c0d5a6 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -348,7 +348,6 @@ struct ieee80211_roc_work {
 	struct ieee80211_sub_if_data *sdata;
 
 	struct ieee80211_channel *chan;
-	enum nl80211_channel_type chan_type;
 
 	bool started, abort, hw_begun, notified;
 
@@ -364,7 +363,7 @@ enum ieee80211_sta_flags {
 	IEEE80211_STA_BEACON_POLL	= BIT(0),
 	IEEE80211_STA_CONNECTION_POLL	= BIT(1),
 	IEEE80211_STA_CONTROL_PORT	= BIT(2),
-	IEEE80211_STA_DISABLE_11N	= BIT(4),
+	IEEE80211_STA_DISABLE_HT	= BIT(4),
 	IEEE80211_STA_CSA_RECEIVED	= BIT(5),
 	IEEE80211_STA_MFP_ENABLED	= BIT(6),
 	IEEE80211_STA_UAPSD_ENABLED	= BIT(7),
@@ -800,7 +799,7 @@ ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata)
 	rcu_read_lock();
 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 	if (!WARN_ON(!chanctx_conf))
-		band = chanctx_conf->channel->band;
+		band = chanctx_conf->def.chan->band;
 	rcu_read_unlock();
 
 	return band;
@@ -1048,7 +1047,6 @@ struct ieee80211_local {
 
 	/* Temporary remain-on-channel for off-channel operations */
 	struct ieee80211_channel *tmp_channel;
-	enum nl80211_channel_type tmp_channel_type;
 
 	/* channel contexts */
 	struct list_head chanctx_list;
@@ -1158,8 +1156,7 @@ struct ieee80211_local {
 
 	/* virtual monitor interface */
 	struct ieee80211_sub_if_data __rcu *monitor_sdata;
-	struct ieee80211_channel *monitor_channel;
-	enum nl80211_channel_type monitor_channel_type;
+	struct cfg80211_chan_def monitor_chandef;
 };
 
 static inline struct ieee80211_sub_if_data *
@@ -1518,7 +1515,7 @@ static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
 	}
 
 	__ieee80211_tx_skb_tid_band(sdata, skb, tid,
-				    chanctx_conf->channel->band);
+				    chanctx_conf->def.chan->band);
 	rcu_read_unlock();
 }
 
@@ -1607,8 +1604,7 @@ 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_sta_ht_cap *ht_cap,
 			      u16 cap);
 u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
-			       struct ieee80211_channel *channel,
-			       enum nl80211_channel_type channel_type,
+			       const struct cfg80211_chan_def *chandef,
 			       u16 prot_mode);
 u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
 			       u32 cap);
@@ -1620,13 +1616,13 @@ int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
 				enum ieee80211_band band);
 
 /* channel management */
-enum nl80211_channel_type
-ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper);
+void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan,
+				  struct ieee80211_ht_operation *ht_oper,
+				  struct cfg80211_chan_def *chandef);
 
 int __must_check
 ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
-			  struct ieee80211_channel *channel,
-			  enum nl80211_channel_type channel_type,
+			  const struct cfg80211_chan_def *chandef,
 			  enum ieee80211_chanctx_mode mode);
 void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
 
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 80ce90b..5331662 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -54,7 +54,7 @@ bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata)
 		return false;
 	}
 
-	power = chanctx_conf->channel->max_power;
+	power = chanctx_conf->def.chan->max_power;
 	rcu_read_unlock();
 
 	if (sdata->user_power_level != IEEE80211_UNSET_POWER_LEVEL)
@@ -415,8 +415,7 @@ static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
 		goto out_unlock;
 	}
 
-	ret = ieee80211_vif_use_channel(sdata, local->monitor_channel,
-					local->monitor_channel_type,
+	ret = ieee80211_vif_use_channel(sdata, &local->monitor_chandef,
 					IEEE80211_CHANCTX_EXCLUSIVE);
 	if (ret) {
 		drv_remove_interface(local, sdata);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index da2f416..f5e4c1f 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -115,7 +115,7 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
 			channel_type = NL80211_CHAN_NO_HT;
 	} else if (local->tmp_channel) {
 		chan = local->tmp_channel;
-		channel_type = local->tmp_channel_type;
+		channel_type = NL80211_CHAN_NO_HT;
 	} else {
 		chan = local->_oper_channel;
 		channel_type = local->_oper_channel_type;
@@ -798,10 +798,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 			local->_oper_channel = &sband->channels[0];
 			local->hw.conf.channel_type = NL80211_CHAN_NO_HT;
 		}
-		if (!local->monitor_channel) {
-			local->monitor_channel = &sband->channels[0];
-			local->monitor_channel_type = NL80211_CHAN_NO_HT;
-		}
+		cfg80211_chandef_create(&local->monitor_chandef,
+					&sband->channels[0],
+					NL80211_CHAN_NO_HT);
 		channels += sband->n_channels;
 
 		if (max_bitrates < sband->n_bitrates)
@@ -884,10 +883,22 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	if (supp_ht)
 		local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap);
 
-	if (supp_vht)
+	if (supp_vht) {
 		local->scan_ies_len +=
 			2 + sizeof(struct ieee80211_vht_cap);
 
+		/*
+		 * (for now at least), drivers wanting to use VHT must
+		 * support channel contexts, as they contain all the
+		 * necessary VHT information and the global hw config
+		 * doesn't (yet)
+		 */
+		if (WARN_ON(!local->use_chanctx)) {
+			result = -EINVAL;
+			goto fail_wiphy_register;
+		}
+	}
+
 	if (!local->ops->hw_scan) {
 		/* For hw_scan, driver needs to set these up. */
 		local->hw.wiphy->max_scan_ssids = 4;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index a350cab..1bf03f9 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -76,7 +76,7 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct ieee80211_local *local = sdata->local;
 	u32 basic_rates = 0;
-	enum nl80211_channel_type sta_channel_type = NL80211_CHAN_NO_HT;
+	struct cfg80211_chan_def sta_chan_def;
 
 	/*
 	 * As support for each feature is added, check for matching
@@ -103,17 +103,11 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
 	if (sdata->vif.bss_conf.basic_rates != basic_rates)
 		goto mismatch;
 
-	if (ie->ht_operation)
-		sta_channel_type =
-			ieee80211_ht_oper_to_channel_type(ie->ht_operation);
-
-	/* Disallow HT40+/- mismatch */
-	if (ie->ht_operation &&
-	    (sdata->vif.bss_conf.channel_type == NL80211_CHAN_HT40MINUS ||
-	     sdata->vif.bss_conf.channel_type == NL80211_CHAN_HT40PLUS) &&
-	    (sta_channel_type == NL80211_CHAN_HT40MINUS ||
-	     sta_channel_type == NL80211_CHAN_HT40PLUS) &&
-	    sdata->vif.bss_conf.channel_type != sta_channel_type)
+	ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan,
+				     ie->ht_operation, &sta_chan_def);
+
+	if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef,
+					 &sta_chan_def))
 		goto mismatch;
 
 	return true;
@@ -129,7 +123,7 @@ mismatch:
 bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie)
 {
 	return (ie->mesh_config->meshconf_cap &
-	    MESHCONF_CAPAB_ACCEPT_PLINKS) != 0;
+	    IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS) != 0;
 }
 
 /**
@@ -269,11 +263,11 @@ mesh_add_meshconf_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
 	neighbors = (neighbors > 15) ? 15 : neighbors;
 	*pos++ = neighbors << 1;
 	/* Mesh capability */
-	*pos = MESHCONF_CAPAB_FORWARDING;
+	*pos = IEEE80211_MESHCONF_CAPAB_FORWARDING;
 	*pos |= ifmsh->accepting_plinks ?
-	    MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
+	    IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
 	*pos++ |= ifmsh->adjusting_tbtt ?
-	    MESHCONF_CAPAB_TBTT_ADJUSTING : 0x00;
+	    IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING : 0x00;
 	*pos++ = 0x00;
 
 	return 0;
@@ -368,7 +362,7 @@ int mesh_add_ds_params_ie(struct sk_buff *skb,
 		rcu_read_unlock();
 		return -EINVAL;
 	}
-	chan = chanctx_conf->channel;
+	chan = chanctx_conf->def.chan;
 	rcu_read_unlock();
 
 	sband = local->hw.wiphy->bands[chan->band];
@@ -392,7 +386,7 @@ int mesh_add_ht_cap_ie(struct sk_buff *skb,
 
 	sband = local->hw.wiphy->bands[band];
 	if (!sband->ht_cap.ht_supported ||
-	    sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT)
+	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
 		return 0;
 
 	if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_cap))
@@ -411,7 +405,7 @@ int mesh_add_ht_oper_ie(struct sk_buff *skb,
 	struct ieee80211_chanctx_conf *chanctx_conf;
 	struct ieee80211_channel *channel;
 	enum nl80211_channel_type channel_type =
-		sdata->vif.bss_conf.channel_type;
+		cfg80211_get_chandef_type(&sdata->vif.bss_conf.chandef);
 	struct ieee80211_supported_band *sband;
 	struct ieee80211_sta_ht_cap *ht_cap;
 	u8 *pos;
@@ -422,7 +416,7 @@ int mesh_add_ht_oper_ie(struct sk_buff *skb,
 		rcu_read_unlock();
 		return -EINVAL;
 	}
-	channel = chanctx_conf->channel;
+	channel = chanctx_conf->def.chan;
 	rcu_read_unlock();
 
 	sband = local->hw.wiphy->bands[channel->band];
@@ -435,7 +429,7 @@ int mesh_add_ht_oper_ie(struct sk_buff *skb,
 		return -ENOMEM;
 
 	pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_operation));
-	ieee80211_ie_build_ht_oper(pos, ht_cap, channel, channel_type,
+	ieee80211_ie_build_ht_oper(pos, ht_cap, &sdata->vif.bss_conf.chandef,
 				   sdata->vif.bss_conf.ht_operation_mode);
 
 	return 0;
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 9285f3f..7c9215f 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -19,20 +19,6 @@
 /* Data structures */
 
 /**
- * enum mesh_config_capab_flags - mesh config IE capability flags
- *
- * @MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
- * additional mesh peerings with other mesh STAs
- * @MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
- * @MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure is ongoing
- */
-enum mesh_config_capab_flags {
-	MESHCONF_CAPAB_ACCEPT_PLINKS = BIT(0),
-	MESHCONF_CAPAB_FORWARDING = BIT(3),
-	MESHCONF_CAPAB_TBTT_ADJUSTING = BIT(5),
-};
-
-/**
  * enum mesh_path_flags - mac80211 mesh path flags
  *
  *
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 234fe75..ca52dfd 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -19,12 +19,6 @@
 #define mod_plink_timer(s, t) (mod_timer(&s->plink_timer, \
 				jiffies + HZ * t / 1000))
 
-#define dot11MeshMaxRetries(s) (s->u.mesh.mshcfg.dot11MeshMaxRetries)
-#define dot11MeshRetryTimeout(s) (s->u.mesh.mshcfg.dot11MeshRetryTimeout)
-#define dot11MeshConfirmTimeout(s) (s->u.mesh.mshcfg.dot11MeshConfirmTimeout)
-#define dot11MeshHoldingTimeout(s) (s->u.mesh.mshcfg.dot11MeshHoldingTimeout)
-#define dot11MeshMaxPeerLinks(s) (s->u.mesh.mshcfg.dot11MeshMaxPeerLinks)
-
 /* We only need a valid sta if user configured a minimum rssi_threshold. */
 #define rssi_threshold_check(sta, sdata) \
 		(sdata->u.mesh.mshcfg.rssi_threshold == 0 ||\
@@ -117,7 +111,7 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata)
 	u16 ht_opmode;
 	bool non_ht_sta = false, ht20_sta = false;
 
-	if (sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT)
+	if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
 		return 0;
 
 	rcu_read_lock();
@@ -126,14 +120,14 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata)
 		    sta->plink_state != NL80211_PLINK_ESTAB)
 			continue;
 
-		switch (sta->ch_type) {
-		case NL80211_CHAN_NO_HT:
+		switch (sta->ch_width) {
+		case NL80211_CHAN_WIDTH_20_NOHT:
 			mpl_dbg(sdata,
 				"mesh_plink %pM: nonHT sta (%pM) is present\n",
 				sdata->vif.addr, sta->sta.addr);
 			non_ht_sta = true;
 			goto out;
-		case NL80211_CHAN_HT20:
+		case NL80211_CHAN_WIDTH_20:
 			mpl_dbg(sdata,
 				"mesh_plink %pM: HT20 sta (%pM) is present\n",
 				sdata->vif.addr, sta->sta.addr);
@@ -148,7 +142,7 @@ out:
 	if (non_ht_sta)
 		ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
 	else if (ht20_sta &&
-		 sdata->vif.bss_conf.channel_type > NL80211_CHAN_HT20)
+		 sdata->vif.bss_conf.chandef.width > NL80211_CHAN_WIDTH_20)
 		ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
 	else
 		ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
@@ -378,7 +372,7 @@ static struct sta_info *mesh_peer_init(struct ieee80211_sub_if_data *sdata,
 
 	sta->sta.supp_rates[band] = rates;
 	if (elems->ht_cap_elem &&
-	    sdata->vif.bss_conf.channel_type != NL80211_CHAN_NO_HT)
+	    sdata->vif.bss_conf.chandef.width != NL80211_CHAN_WIDTH_20_NOHT)
 		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
 						  elems->ht_cap_elem,
 						  &sta->sta.ht_cap);
@@ -386,12 +380,15 @@ static struct sta_info *mesh_peer_init(struct ieee80211_sub_if_data *sdata,
 		memset(&sta->sta.ht_cap, 0, sizeof(sta->sta.ht_cap));
 
 	if (elems->ht_operation) {
+		struct cfg80211_chan_def chandef;
+
 		if (!(elems->ht_operation->ht_param &
 		      IEEE80211_HT_PARAM_CHAN_WIDTH_ANY))
 			sta->sta.ht_cap.cap &=
 					    ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
-		sta->ch_type =
-			ieee80211_ht_oper_to_channel_type(elems->ht_operation);
+		ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan,
+					     elems->ht_operation, &chandef);
+		sta->ch_width = chandef.width;
 	}
 
 	rate_control_rate_init(sta);
@@ -430,6 +427,7 @@ static void mesh_plink_timer(unsigned long data)
 	struct sta_info *sta;
 	__le16 llid, plid, reason;
 	struct ieee80211_sub_if_data *sdata;
+	struct mesh_config *mshcfg;
 
 	/*
 	 * This STA is valid because sta_info_destroy() will
@@ -456,12 +454,13 @@ static void mesh_plink_timer(unsigned long data)
 	llid = sta->llid;
 	plid = sta->plid;
 	sdata = sta->sdata;
+	mshcfg = &sdata->u.mesh.mshcfg;
 
 	switch (sta->plink_state) {
 	case NL80211_PLINK_OPN_RCVD:
 	case NL80211_PLINK_OPN_SNT:
 		/* retry timer */
-		if (sta->plink_retries < dot11MeshMaxRetries(sdata)) {
+		if (sta->plink_retries < mshcfg->dot11MeshMaxRetries) {
 			u32 rand;
 			mpl_dbg(sta->sdata,
 				"Mesh plink for %pM (retry, timeout): %d %d\n",
@@ -484,7 +483,7 @@ static void mesh_plink_timer(unsigned long data)
 		if (!reason)
 			reason = cpu_to_le16(WLAN_REASON_MESH_CONFIRM_TIMEOUT);
 		sta->plink_state = NL80211_PLINK_HOLDING;
-		mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
+		mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout);
 		spin_unlock_bh(&sta->lock);
 		mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
 				    sta->sta.addr, llid, plid, reason);
@@ -543,7 +542,7 @@ int mesh_plink_open(struct sta_info *sta)
 		return -EBUSY;
 	}
 	sta->plink_state = NL80211_PLINK_OPN_SNT;
-	mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
+	mesh_plink_timer_set(sta, sdata->u.mesh.mshcfg.dot11MeshRetryTimeout);
 	spin_unlock_bh(&sta->lock);
 	mpl_dbg(sdata,
 		"Mesh plink: starting establishment with %pM\n",
@@ -570,6 +569,7 @@ void mesh_plink_block(struct sta_info *sta)
 void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt,
 			 size_t len, struct ieee80211_rx_status *rx_status)
 {
+	struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg;
 	struct ieee802_11_elems elems;
 	struct sta_info *sta;
 	enum plink_event event;
@@ -777,7 +777,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 			sta->plid = plid;
 			get_random_bytes(&llid, 2);
 			sta->llid = llid;
-			mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
+			mesh_plink_timer_set(sta,
+					     mshcfg->dot11MeshRetryTimeout);
 			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(sdata,
 					    WLAN_SP_MESH_PEERING_OPEN,
@@ -803,7 +804,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 			sta->reason = reason;
 			sta->plink_state = NL80211_PLINK_HOLDING;
 			if (!mod_plink_timer(sta,
-					     dot11MeshHoldingTimeout(sdata)))
+					     mshcfg->dot11MeshHoldingTimeout))
 				sta->ignore_plink_timer = true;
 
 			llid = sta->llid;
@@ -825,7 +826,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 		case CNF_ACPT:
 			sta->plink_state = NL80211_PLINK_CNF_RCVD;
 			if (!mod_plink_timer(sta,
-					     dot11MeshConfirmTimeout(sdata)))
+					     mshcfg->dot11MeshConfirmTimeout))
 				sta->ignore_plink_timer = true;
 
 			spin_unlock_bh(&sta->lock);
@@ -847,7 +848,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 			sta->reason = reason;
 			sta->plink_state = NL80211_PLINK_HOLDING;
 			if (!mod_plink_timer(sta,
-					     dot11MeshHoldingTimeout(sdata)))
+					     mshcfg->dot11MeshHoldingTimeout))
 				sta->ignore_plink_timer = true;
 
 			llid = sta->llid;
@@ -888,7 +889,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 			sta->reason = reason;
 			sta->plink_state = NL80211_PLINK_HOLDING;
 			if (!mod_plink_timer(sta,
-					     dot11MeshHoldingTimeout(sdata)))
+					     mshcfg->dot11MeshHoldingTimeout))
 				sta->ignore_plink_timer = true;
 
 			llid = sta->llid;
@@ -923,7 +924,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 			changed |= __mesh_plink_deactivate(sta);
 			sta->plink_state = NL80211_PLINK_HOLDING;
 			llid = sta->llid;
-			mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
+			mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout);
 			spin_unlock_bh(&sta->lock);
 			changed |= mesh_set_ht_prot_mode(sdata);
 			mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index 9c6ea9c..0f40086 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -43,7 +43,7 @@ struct sync_method {
 static bool mesh_peer_tbtt_adjusting(struct ieee802_11_elems *ie)
 {
 	return (ie->mesh_config->meshconf_cap &
-	    MESHCONF_CAPAB_TBTT_ADJUSTING) != 0;
+	    IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING) != 0;
 }
 
 void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6161446..d2a4f78 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -191,17 +191,19 @@ static u32 ieee80211_config_ht_tx(struct ieee80211_sub_if_data *sdata,
 		rcu_read_unlock();
 		return 0;
 	}
-	chan = chanctx_conf->channel;
+	chan = chanctx_conf->def.chan;
 	rcu_read_unlock();
 	sband = local->hw.wiphy->bands[chan->band];
 
-	switch (sdata->vif.bss_conf.channel_type) {
-	case NL80211_CHAN_HT40PLUS:
-		if (chan->flags & IEEE80211_CHAN_NO_HT40PLUS)
+	switch (sdata->vif.bss_conf.chandef.width) {
+	case NL80211_CHAN_WIDTH_40:
+		if (sdata->vif.bss_conf.chandef.chan->center_freq >
+				sdata->vif.bss_conf.chandef.center_freq1 &&
+		    chan->flags & IEEE80211_CHAN_NO_HT40PLUS)
 			disable_40 = true;
-		break;
-	case NL80211_CHAN_HT40MINUS:
-		if (chan->flags & IEEE80211_CHAN_NO_HT40MINUS)
+		if (sdata->vif.bss_conf.chandef.chan->center_freq <
+				sdata->vif.bss_conf.chandef.center_freq1 &&
+		    chan->flags & IEEE80211_CHAN_NO_HT40MINUS)
 			disable_40 = true;
 		break;
 	default:
@@ -381,7 +383,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
 		rcu_read_unlock();
 		return;
 	}
-	chan = chanctx_conf->channel;
+	chan = chanctx_conf->def.chan;
 	rcu_read_unlock();
 	sband = local->hw.wiphy->bands[chan->band];
 
@@ -541,7 +543,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
 		offset = noffset;
 	}
 
-	if (!(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
+	if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
 		ieee80211_add_ht_ie(sdata, skb, assoc_data->ap_ht_param,
 				    sband, chan, sdata->smps_mode);
 
@@ -1528,8 +1530,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	changed |= BSS_CHANGED_BSSID | BSS_CHANGED_HT;
 	ieee80211_bss_info_change_notify(sdata, changed);
 
-	ieee80211_vif_release_channel(sdata);
-
 	/* disassociated - set to defaults now */
 	ieee80211_set_wmm_default(sdata, false);
 
@@ -1539,6 +1539,9 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	del_timer_sync(&sdata->u.mgd.chswitch_timer);
 
 	sdata->u.mgd.timers_running = 0;
+
+	ifmgd->flags = 0;
+	ieee80211_vif_release_channel(sdata);
 }
 
 void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
@@ -1864,6 +1867,7 @@ static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata,
 
 		memset(sdata->u.mgd.bssid, 0, ETH_ALEN);
 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
+		sdata->u.mgd.flags = 0;
 		ieee80211_vif_release_channel(sdata);
 	}
 
@@ -2106,6 +2110,7 @@ static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
 
 		memset(sdata->u.mgd.bssid, 0, ETH_ALEN);
 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
+		sdata->u.mgd.flags = 0;
 		ieee80211_vif_release_channel(sdata);
 	}
 
@@ -2170,7 +2175,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
 
 	sband = local->hw.wiphy->bands[ieee80211_get_sdata_band(sdata)];
 
-	if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
+	if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
 		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
 				elems.ht_cap_elem, &sta->sta.ht_cap);
 
@@ -2222,7 +2227,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
 	changed |= BSS_CHANGED_QOS;
 
 	if (elems.ht_operation && elems.wmm_param &&
-	    !(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
+	    !(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
 		changed |= ieee80211_config_ht_tx(sdata, elems.ht_operation,
 						  cbss->bssid, false);
 
@@ -2473,11 +2478,11 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 		return;
 	}
 
-	if (rx_status->freq != chanctx_conf->channel->center_freq) {
+	if (rx_status->freq != chanctx_conf->def.chan->center_freq) {
 		rcu_read_unlock();
 		return;
 	}
-	chan = chanctx_conf->channel;
+	chan = chanctx_conf->def.chan;
 	rcu_read_unlock();
 
 	if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon &&
@@ -2658,7 +2663,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 
 
 	if (elems.ht_cap_elem && elems.ht_operation && elems.wmm_param &&
-	    !(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
+	    !(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
 		changed |= ieee80211_config_ht_tx(sdata, elems.ht_operation,
 						  bssid, true);
 
@@ -3188,6 +3193,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
 	const u8 *ht_oper_ie;
 	const struct ieee80211_ht_operation *ht_oper = NULL;
 	struct ieee80211_supported_band *sband;
+	struct cfg80211_chan_def chandef;
 
 	sband = local->hw.wiphy->bands[cbss->channel->band];
 
@@ -3219,12 +3225,10 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
 				   ht_cfreq, ht_oper->primary_chan,
 				   cbss->channel->band);
 			ht_oper = NULL;
-		} else {
-			channel_type = NL80211_CHAN_HT20;
 		}
 	}
 
-	if (ht_oper && sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
+	if (ht_oper) {
 		/*
 		 * cfg80211 already verified that the channel itself can
 		 * be used, but it didn't check that we can do the right
@@ -3237,19 +3241,26 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
 
 		channel_type = NL80211_CHAN_HT20;
 
-		switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
-		case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
-			if (cbss->channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
-				ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ;
-			else
-				channel_type = NL80211_CHAN_HT40PLUS;
-			break;
-		case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
-			if (cbss->channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
-				ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ;
-			else
-				channel_type = NL80211_CHAN_HT40MINUS;
-			break;
+		if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
+			switch (ht_oper->ht_param &
+					IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+			case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
+				if (cbss->channel->flags &
+						IEEE80211_CHAN_NO_HT40PLUS)
+					ifmgd->flags |=
+						IEEE80211_STA_DISABLE_40MHZ;
+				else
+					channel_type = NL80211_CHAN_HT40PLUS;
+				break;
+			case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
+				if (cbss->channel->flags &
+						IEEE80211_CHAN_NO_HT40MINUS)
+					ifmgd->flags |=
+						IEEE80211_STA_DISABLE_40MHZ;
+				else
+					channel_type = NL80211_CHAN_HT40MINUS;
+				break;
+			}
 		}
 
 		ht_cap_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY,
@@ -3262,13 +3273,15 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
 		sdata->needed_rx_chains = min(chains, local->rx_chains);
 	} else {
 		sdata->needed_rx_chains = 1;
+		sdata->u.mgd.flags |= IEEE80211_STA_DISABLE_HT;
 	}
 
 	/* will change later if needed */
 	sdata->smps_mode = IEEE80211_SMPS_OFF;
 
 	ieee80211_vif_release_channel(sdata);
-	return ieee80211_vif_use_channel(sdata, cbss->channel, channel_type,
+	cfg80211_chandef_create(&chandef, cbss->channel, channel_type);
+	return ieee80211_vif_use_channel(sdata, &chandef,
 					 IEEE80211_CHANCTX_SHARED);
 }
 
@@ -3530,13 +3543,6 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 
 	/* prepare assoc data */
 	
-	/*
-	 * keep only the 40 MHz disable bit set as it might have
-	 * been set during authentication already, all other bits
-	 * should be reset for a new connection
-	 */
-	ifmgd->flags &= IEEE80211_STA_DISABLE_40MHZ;
-
 	ifmgd->beacon_crc_valid = false;
 
 	/*
@@ -3550,7 +3556,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 		if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 ||
 		    req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
 		    req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) {
-			ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+			ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
 			ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
 			netdev_info(sdata->dev,
 				    "disabling HT/VHT due to WEP/TKIP use\n");
@@ -3558,7 +3564,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 	}
 
 	if (req->flags & ASSOC_REQ_DISABLE_HT) {
-		ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+		ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
 		ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
 	}
 
@@ -3566,7 +3572,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 	sband = local->hw.wiphy->bands[req->bss->channel->band];
 	if (!sband->ht_cap.ht_supported ||
 	    local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
-		ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+		ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
 		if (!bss->wmm_used)
 			netdev_info(sdata->dev,
 				    "disabling HT as WMM/QoS is not supported by the AP\n");
@@ -3611,7 +3617,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 		assoc_data->ap_ht_param =
 			((struct ieee80211_ht_operation *)(ht_ie + 2))->ht_param;
 	else
-		ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+		ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
 
 	if (bss->wmm_used && bss->uapsd_supported &&
 	    (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) {
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 7f8a365..5abddfe 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -205,8 +205,8 @@ void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc)
 		}
 	} else {
 		cfg80211_ready_on_channel(&roc->sdata->wdev, roc->cookie,
-					  roc->chan, roc->chan_type,
-					  roc->req_duration, GFP_KERNEL);
+					  roc->chan, roc->req_duration,
+					  GFP_KERNEL);
 	}
 
 	roc->notified = true;
@@ -284,7 +284,6 @@ void ieee80211_start_next_roc(struct ieee80211_local *local)
 			duration = 10;
 
 		ret = drv_remain_on_channel(local, roc->sdata, roc->chan,
-					    roc->chan_type,
 					    duration);
 
 		roc->started = true;
@@ -321,7 +320,7 @@ void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
 	if (!roc->mgmt_tx_cookie)
 		cfg80211_remain_on_channel_expired(&roc->sdata->wdev,
 						   roc->cookie, roc->chan,
-						   roc->chan_type, GFP_KERNEL);
+						   GFP_KERNEL);
 
 	list_for_each_entry_safe(dep, tmp, &roc->dependents, list)
 		ieee80211_roc_notify_destroy(dep);
@@ -359,7 +358,6 @@ void ieee80211_sw_roc_work(struct work_struct *work)
 		ieee80211_recalc_idle(local);
 
 		local->tmp_channel = roc->chan;
-		local->tmp_channel_type = roc->chan_type;
 		ieee80211_hw_config(local, 0);
 
 		/* tell userspace or send frame */
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 3313c11..dd88381 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -391,7 +391,7 @@ static void rate_idx_match_mask(struct ieee80211_tx_rate *rate,
 			return;
 
 		/* if HT BSS, and we handle a data frame, also try HT rates */
-		if (txrc->bss_conf->channel_type == NL80211_CHAN_NO_HT)
+		if (txrc->bss_conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
 			return;
 
 		fc = hdr->frame_control;
@@ -408,8 +408,7 @@ static void rate_idx_match_mask(struct ieee80211_tx_rate *rate,
 
 		alt_rate.flags |= IEEE80211_TX_RC_MCS;
 
-		if ((txrc->bss_conf->channel_type == NL80211_CHAN_HT40MINUS) ||
-		    (txrc->bss_conf->channel_type == NL80211_CHAN_HT40PLUS))
+		if (txrc->bss_conf->chandef.width == NL80211_CHAN_WIDTH_40)
 			alt_rate.flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
 
 		if (rate_idx_match_mcs_mask(&alt_rate, mcs_mask)) {
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index ec198ef..301386d 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -65,7 +65,7 @@ static inline void rate_control_rate_init(struct sta_info *sta)
 		return;
 	}
 
-	sband = local->hw.wiphy->bands[chanctx_conf->channel->band];
+	sband = local->hw.wiphy->bands[chanctx_conf->def.chan->band];
 	rcu_read_unlock();
 
 	ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index ec15a492..825f33c 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -62,13 +62,16 @@ static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
 static inline int should_drop_frame(struct sk_buff *skb, int present_fcs_len)
 {
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	struct ieee80211_hdr *hdr;
+
+	hdr = (void *)(skb->data + status->vendor_radiotap_len);
 
 	if (status->flag & (RX_FLAG_FAILED_FCS_CRC |
 			    RX_FLAG_FAILED_PLCP_CRC |
 			    RX_FLAG_AMPDU_IS_ZEROLEN))
 		return 1;
-	if (unlikely(skb->len < 16 + present_fcs_len))
+	if (unlikely(skb->len < 16 + present_fcs_len +
+				status->vendor_radiotap_len))
 		return 1;
 	if (ieee80211_is_ctl(hdr->frame_control) &&
 	    !ieee80211_is_pspoll(hdr->frame_control) &&
@@ -190,7 +193,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	pos++;
 
 	/* IEEE80211_RADIOTAP_RATE */
-	if (!rate || status->flag & RX_FLAG_HT) {
+	if (!rate || status->flag & (RX_FLAG_HT | RX_FLAG_VHT)) {
 		/*
 		 * Without rate information don't add it. If we have,
 		 * MCS information is a separate field in radiotap,
@@ -210,7 +213,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	if (status->band == IEEE80211_BAND_5GHZ)
 		put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ,
 				   pos);
-	else if (status->flag & RX_FLAG_HT)
+	else if (status->flag & (RX_FLAG_HT | RX_FLAG_VHT))
 		put_unaligned_le16(IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ,
 				   pos);
 	else if (rate && rate->flags & IEEE80211_RATE_ERP_G)
@@ -341,8 +344,8 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 	if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
 		present_fcs_len = FCS_LEN;
 
-	/* make sure hdr->frame_control is on the linear part */
-	if (!pskb_may_pull(origskb, 2)) {
+	/* ensure hdr->frame_control and vendor radiotap data are in skb head */
+	if (!pskb_may_pull(origskb, 2 + status->vendor_radiotap_len)) {
 		dev_kfree_skb(origskb);
 		return NULL;
 	}
@@ -1338,17 +1341,22 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 
 	/*
 	 * Update last_rx only for IBSS packets which are for the current
-	 * BSSID to avoid keeping the current IBSS network alive in cases
-	 * where other STAs start using different BSSID.
+	 * BSSID and for station already AUTHORIZED to avoid keeping the
+	 * current IBSS network alive in cases where other STAs start
+	 * using different BSSID. This will also give the station another
+	 * chance to restart the authentication/authorization in case
+	 * something went wrong the first time.
 	 */
 	if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 		u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len,
 						NL80211_IFTYPE_ADHOC);
-		if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid)) {
+		if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) &&
+		    test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
 			sta->last_rx = jiffies;
 			if (ieee80211_is_data(hdr->frame_control)) {
 				sta->last_rx_rate_idx = status->rate_idx;
 				sta->last_rx_rate_flag = status->flag;
+				sta->last_rx_rate_vht_nss = status->vht_nss;
 			}
 		}
 	} else if (!is_multicast_ether_addr(hdr->addr1)) {
@@ -1360,6 +1368,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 		if (ieee80211_is_data(hdr->frame_control)) {
 			sta->last_rx_rate_idx = status->rate_idx;
 			sta->last_rx_rate_flag = status->flag;
+			sta->last_rx_rate_vht_nss = status->vht_nss;
 		}
 	}
 
@@ -2703,7 +2712,8 @@ static void ieee80211_rx_handlers_result(struct ieee80211_rx_data *rx,
 		status = IEEE80211_SKB_RXCB((rx->skb));
 
 		sband = rx->local->hw.wiphy->bands[status->band];
-		if (!(status->flag & RX_FLAG_HT))
+		if (!(status->flag & RX_FLAG_HT) &&
+		    !(status->flag & RX_FLAG_VHT))
 			rate = &sband->bitrates[status->rate_idx];
 
 		ieee80211_rx_cooked_monitor(rx, rate);
@@ -2870,8 +2880,8 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
 			status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
 		} else if (!rx->sta) {
 			int rate_idx;
-			if (status->flag & RX_FLAG_HT)
-				rate_idx = 0; /* TODO: HT rates */
+			if (status->flag & (RX_FLAG_HT | RX_FLAG_VHT))
+				rate_idx = 0; /* TODO: HT/VHT rates */
 			else
 				rate_idx = status->rate_idx;
 			ieee80211_ibss_rx_no_sta(sdata, bssid, hdr->addr2,
@@ -3147,6 +3157,13 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
 				 status->rate_idx,
 				 status->rate_idx))
 				goto drop;
+		} else if (status->flag & RX_FLAG_VHT) {
+			if (WARN_ONCE(status->rate_idx > 9 ||
+				      !status->vht_nss ||
+				      status->vht_nss > 8,
+				      "Rate marked as a VHT rate but data is invalid: MCS: %d, NSS: %d\n",
+				      status->rate_idx, status->vht_nss))
+				goto drop;
 		} else {
 			if (WARN_ON(status->rate_idx >= sband->n_bitrates))
 				goto drop;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 8e9bb168..f334027 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -174,7 +174,6 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
 	u8 *elements;
 	struct ieee80211_channel *channel;
 	size_t baselen;
-	int freq;
 	bool beacon;
 	struct ieee802_11_elems elems;
 
@@ -209,13 +208,7 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
 
 	ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
 
-	if (elems.ds_params && elems.ds_params_len == 1)
-		freq = ieee80211_channel_to_frequency(elems.ds_params[0],
-						      rx_status->band);
-	else
-		freq = rx_status->freq;
-
-	channel = ieee80211_get_channel(local->hw.wiphy, freq);
+	channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
 
 	if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
 		return;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index e6e5cb5..f3e5025 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1092,7 +1092,7 @@ static void ieee80211_send_null_response(struct ieee80211_sub_if_data *sdata,
 		return;
 	}
 
-	ieee80211_xmit(sdata, skb, chanctx_conf->channel->band);
+	ieee80211_xmit(sdata, skb, chanctx_conf->def.chan->band);
 	rcu_read_unlock();
 }
 
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 776f3d0..6835cea 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -227,6 +227,7 @@ struct sta_ampdu_mlme {
  *	"the" transmit rate
  * @last_rx_rate_idx: rx status rate index of the last data packet
  * @last_rx_rate_flag: rx status flag of the last data packet
+ * @last_rx_rate_vht_nss: rx status nss of last data packet
  * @lock: used for locking all fields that require locking, see comments
  *	in the header file.
  * @drv_unblock_wk: used for driver PS unblocking
@@ -272,7 +273,7 @@ struct sta_ampdu_mlme {
  * @t_offset: timing offset relative to this host
  * @t_offset_setpoint: reference timing offset of this sta to be used when
  * 	calculating clockdrift
- * @ch_type: peer's channel type
+ * @ch_width: peer's channel width
  * @debugfs: debug filesystem info
  * @dead: set to true when sta is unlinked
  * @uploaded: set to true when sta is uploaded to the driver
@@ -343,7 +344,8 @@ struct sta_info {
 	unsigned long tx_fragments;
 	struct ieee80211_tx_rate last_tx_rate;
 	int last_rx_rate_idx;
-	int last_rx_rate_flag;
+	u32 last_rx_rate_flag;
+	u8 last_rx_rate_vht_nss;
 	u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
 
 	/*
@@ -368,7 +370,7 @@ struct sta_info {
 	struct timer_list plink_timer;
 	s64 t_offset;
 	s64 t_offset_setpoint;
-	enum nl80211_channel_type ch_type;
+	enum nl80211_chan_width ch_width;
 #endif
 
 #ifdef CONFIG_MAC80211_DEBUGFS
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index e9579b7..a8270b4 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -28,16 +28,21 @@
 #define VIF_PR_FMT	" vif:%s(%d%s)"
 #define VIF_PR_ARG	__get_str(vif_name), __entry->vif_type, __entry->p2p ? "/p2p" : ""
 
-#define CHANCTX_ENTRY	__field(int, freq)					\
-			__field(int, chantype)					\
+#define CHANCTX_ENTRY	__field(u32, control_freq)				\
+			__field(u32, chan_width)				\
+			__field(u32, center_freq1)				\
+			__field(u32, center_freq2)				\
 			__field(u8, rx_chains_static)				\
 			__field(u8, rx_chains_dynamic)
-#define CHANCTX_ASSIGN	__entry->freq = ctx->conf.channel->center_freq;		\
-			__entry->chantype = ctx->conf.channel_type;		\
+#define CHANCTX_ASSIGN	__entry->control_freq = ctx->conf.def.chan->center_freq;\
+			__entry->chan_width = ctx->conf.def.width;		\
+			__entry->center_freq1 = ctx->conf.def.center_freq1;	\
+			__entry->center_freq2 = ctx->conf.def.center_freq2;	\
 			__entry->rx_chains_static = ctx->conf.rx_chains_static;	\
 			__entry->rx_chains_dynamic = ctx->conf.rx_chains_dynamic
-#define CHANCTX_PR_FMT	" freq:%d MHz chantype:%d chains:%d/%d"
-#define CHANCTX_PR_ARG	__entry->freq, __entry->chantype,			\
+#define CHANCTX_PR_FMT	" control:%d MHz width:%d center: %d/%d MHz chains:%d/%d"
+#define CHANCTX_PR_ARG	__entry->control_freq, __entry->chan_width,		\
+			__entry->center_freq1, __entry->center_freq2,		\
 			__entry->rx_chains_static, __entry->rx_chains_dynamic
 
 
@@ -334,7 +339,8 @@ TRACE_EVENT(drv_bss_info_changed,
 		__field(u16, ht_operation_mode)
 		__field(s32, cqm_rssi_thold);
 		__field(s32, cqm_rssi_hyst);
-		__field(u32, channel_type);
+		__field(u32, channel_width);
+		__field(u32, channel_cfreq1);
 		__dynamic_array(u32, arp_addr_list, info->arp_addr_cnt);
 		__field(bool, arp_filter_enabled);
 		__field(bool, qos);
@@ -370,7 +376,8 @@ TRACE_EVENT(drv_bss_info_changed,
 		__entry->ht_operation_mode = info->ht_operation_mode;
 		__entry->cqm_rssi_thold = info->cqm_rssi_thold;
 		__entry->cqm_rssi_hyst = info->cqm_rssi_hyst;
-		__entry->channel_type = info->channel_type;
+		__entry->channel_width = info->chandef.width;
+		__entry->channel_cfreq1 = info->chandef.center_freq1;
 		memcpy(__get_dynamic_array(arp_addr_list), info->arp_addr_list,
 		       sizeof(u32) * info->arp_addr_cnt);
 		__entry->arp_filter_enabled = info->arp_filter_enabled;
@@ -1022,15 +1029,14 @@ TRACE_EVENT(drv_remain_on_channel,
 	TP_PROTO(struct ieee80211_local *local,
 		 struct ieee80211_sub_if_data *sdata,
 		 struct ieee80211_channel *chan,
-		 enum nl80211_channel_type chantype, unsigned int duration),
+		 unsigned int duration),
 
-	TP_ARGS(local, sdata, chan, chantype, duration),
+	TP_ARGS(local, sdata, chan, duration),
 
 	TP_STRUCT__entry(
 		LOCAL_ENTRY
 		VIF_ENTRY
 		__field(int, center_freq)
-		__field(int, channel_type)
 		__field(unsigned int, duration)
 	),
 
@@ -1038,7 +1044,6 @@ TRACE_EVENT(drv_remain_on_channel,
 		LOCAL_ASSIGN;
 		VIF_ASSIGN;
 		__entry->center_freq = chan->center_freq;
-		__entry->channel_type = chantype;
 		__entry->duration = duration;
 	),
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 0407625..d287a4f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1676,7 +1676,7 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
 	if (!chanctx_conf)
 		goto fail_rcu;
 
-	chan = chanctx_conf->channel;
+	chan = chanctx_conf->def.chan;
 
 	/*
 	 * Frame injection is not allowed if beaconing is not allowed
@@ -1779,7 +1779,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 		chanctx_conf = rcu_dereference(ap_sdata->vif.chanctx_conf);
 		if (!chanctx_conf)
 			goto fail_rcu;
-		band = chanctx_conf->channel->band;
+		band = chanctx_conf->def.chan->band;
 		if (sta)
 			break;
 		/* fall through */
@@ -1794,7 +1794,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 			chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 		if (!chanctx_conf)
 			goto fail_rcu;
-		band = chanctx_conf->channel->band;
+		band = chanctx_conf->def.chan->band;
 		break;
 	case NL80211_IFTYPE_WDS:
 		fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
@@ -1871,7 +1871,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 		chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 		if (!chanctx_conf)
 			goto fail_rcu;
-		band = chanctx_conf->channel->band;
+		band = chanctx_conf->def.chan->band;
 		break;
 #endif
 	case NL80211_IFTYPE_STATION:
@@ -1930,7 +1930,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 		chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 		if (!chanctx_conf)
 			goto fail_rcu;
-		band = chanctx_conf->channel->band;
+		band = chanctx_conf->def.chan->band;
 		break;
 	case NL80211_IFTYPE_ADHOC:
 		/* DA SA BSSID */
@@ -1941,7 +1941,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 		chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 		if (!chanctx_conf)
 			goto fail_rcu;
-		band = chanctx_conf->channel->band;
+		band = chanctx_conf->def.chan->band;
 		break;
 	default:
 		goto fail_rcu;
@@ -2194,7 +2194,7 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local,
 			return true;
 		}
 		result = ieee80211_tx(sdata, skb, true,
-				      chanctx_conf->channel->band);
+				      chanctx_conf->def.chan->band);
 	} else {
 		struct sk_buff_head skbs;
 
@@ -2458,7 +2458,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 		*pos++ = WLAN_EID_SSID;
 		*pos++ = 0x0;
 
-		band = chanctx_conf->channel->band;
+		band = chanctx_conf->def.chan->band;
 
 		if (ieee80211_add_srates_ie(sdata, skb, true, band) ||
 		    mesh_add_ds_params_ie(skb, sdata) ||
@@ -2477,7 +2477,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 		goto out;
 	}
 
-	band = chanctx_conf->channel->band;
+	band = chanctx_conf->def.chan->band;
 
 	info = IEEE80211_SKB_CB(skb);
 
@@ -2757,7 +2757,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
 	info = IEEE80211_SKB_CB(skb);
 
 	tx.flags |= IEEE80211_TX_PS_BUFFERED;
-	info->band = chanctx_conf->channel->band;
+	info->band = chanctx_conf->def.chan->band;
 
 	if (invoke_tx_handlers(&tx))
 		skb = NULL;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 9b99916..08132ff 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -898,7 +898,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
 	rcu_read_lock();
 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 	use_11b = (chanctx_conf &&
-		   chanctx_conf->channel->band == IEEE80211_BAND_2GHZ) &&
+		   chanctx_conf->def.chan->band == IEEE80211_BAND_2GHZ) &&
 		 !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
 	rcu_read_unlock();
 
@@ -991,7 +991,7 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 
 	if (chanctx_conf &&
-	    chanctx_conf->channel->band == IEEE80211_BAND_2GHZ &&
+	    chanctx_conf->def.chan->band == IEEE80211_BAND_2GHZ &&
 	    have_higher_than_11mbit)
 		sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
 	else
@@ -1873,8 +1873,7 @@ u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
 }
 
 u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
-			       struct ieee80211_channel *channel,
-			       enum nl80211_channel_type channel_type,
+			       const struct cfg80211_chan_def *chandef,
 			       u16 prot_mode)
 {
 	struct ieee80211_ht_operation *ht_oper;
@@ -1882,23 +1881,25 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
 	*pos++ = WLAN_EID_HT_OPERATION;
 	*pos++ = sizeof(struct ieee80211_ht_operation);
 	ht_oper = (struct ieee80211_ht_operation *)pos;
-	ht_oper->primary_chan =
-			ieee80211_frequency_to_channel(channel->center_freq);
-	switch (channel_type) {
-	case NL80211_CHAN_HT40MINUS:
-		ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-		break;
-	case NL80211_CHAN_HT40PLUS:
-		ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+	ht_oper->primary_chan = ieee80211_frequency_to_channel(
+					chandef->chan->center_freq);
+	switch (chandef->width) {
+	case NL80211_CHAN_WIDTH_160:
+	case NL80211_CHAN_WIDTH_80P80:
+	case NL80211_CHAN_WIDTH_80:
+	case NL80211_CHAN_WIDTH_40:
+		if (chandef->center_freq1 > chandef->chan->center_freq)
+			ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+		else
+			ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
 		break;
-	case NL80211_CHAN_HT20:
 	default:
 		ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
 		break;
 	}
 	if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
-	    channel_type != NL80211_CHAN_NO_HT &&
-	    channel_type != NL80211_CHAN_HT20)
+	    chandef->width != NL80211_CHAN_WIDTH_20_NOHT &&
+	    chandef->width != NL80211_CHAN_WIDTH_20)
 		ht_oper->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
 
 	ht_oper->operation_mode = cpu_to_le16(prot_mode);
@@ -1912,13 +1913,17 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
 	return pos + sizeof(struct ieee80211_ht_operation);
 }
 
-enum nl80211_channel_type
-ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper)
+void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan,
+				  struct ieee80211_ht_operation *ht_oper,
+				  struct cfg80211_chan_def *chandef)
 {
 	enum nl80211_channel_type channel_type;
 
-	if (!ht_oper)
-		return NL80211_CHAN_NO_HT;
+	if (!ht_oper) {
+		cfg80211_chandef_create(chandef, control_chan,
+					NL80211_CHAN_NO_HT);
+		return;
+	}
 
 	switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
 	case IEEE80211_HT_PARAM_CHA_SEC_NONE:
@@ -1934,7 +1939,7 @@ ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper)
 		channel_type = NL80211_CHAN_NO_HT;
 	}
 
-	return channel_type;
+	cfg80211_chandef_create(chandef, control_chan, channel_type);
 }
 
 int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
@@ -2066,6 +2071,20 @@ u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
 			ri.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 		if (status->flag & RX_FLAG_SHORT_GI)
 			ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
+	} else if (status->flag & RX_FLAG_VHT) {
+		ri.flags |= RATE_INFO_FLAGS_VHT_MCS;
+		ri.mcs = status->rate_idx;
+		ri.nss = status->vht_nss;
+		if (status->flag & RX_FLAG_40MHZ)
+			ri.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+		if (status->flag & RX_FLAG_80MHZ)
+			ri.flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
+		if (status->flag & RX_FLAG_80P80MHZ)
+			ri.flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
+		if (status->flag & RX_FLAG_160MHZ)
+			ri.flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
+		if (status->flag & RX_FLAG_SHORT_GI)
+			ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
 	} else {
 		struct ieee80211_supported_band *sband;
 
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index cea06e9..906f00c 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -160,31 +160,37 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
 	return ieee80211_downgrade_queue(sdata, skb);
 }
 
+/**
+ * ieee80211_set_qos_hdr - Fill in the QoS header if there is one.
+ *
+ * @sdata: local subif
+ * @skb: packet to be updated
+ */
 void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata,
 			   struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr = (void *)skb->data;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	u8 *p;
+	u8 ack_policy, tid;
 
-	/* Fill in the QoS header if there is one. */
-	if (ieee80211_is_data_qos(hdr->frame_control)) {
-		u8 *p = ieee80211_get_qos_ctl(hdr);
-		u8 ack_policy, tid;
-
-		tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
+	if (!ieee80211_is_data_qos(hdr->frame_control))
+		return;
 
-		/* preserve EOSP bit */
-		ack_policy = *p & IEEE80211_QOS_CTL_EOSP;
+	p = ieee80211_get_qos_ctl(hdr);
+	tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
 
-		if (is_multicast_ether_addr(hdr->addr1) ||
-		    sdata->noack_map & BIT(tid)) {
-			ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK;
-			info->flags |= IEEE80211_TX_CTL_NO_ACK;
-		}
+	/* preserve EOSP bit */
+	ack_policy = *p & IEEE80211_QOS_CTL_EOSP;
 
-		/* qos header is 2 bytes */
-		*p++ = ack_policy | tid;
-		*p = ieee80211_vif_is_mesh(&sdata->vif) ?
-			(IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT >> 8) : 0;
+	if (is_multicast_ether_addr(hdr->addr1) ||
+	    sdata->noack_map & BIT(tid)) {
+		ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK;
+		info->flags |= IEEE80211_TX_CTL_NO_ACK;
 	}
+
+	/* qos header is 2 bytes */
+	*p++ = ack_policy | tid;
+	*p = ieee80211_vif_is_mesh(&sdata->vif) ?
+		(IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT >> 8) : 0;
 }
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 48febd2..bf2dfd5 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -11,96 +11,264 @@
 #include "core.h"
 #include "rdev-ops.h"
 
-struct ieee80211_channel *
-rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
-		  int freq, enum nl80211_channel_type channel_type)
+void cfg80211_chandef_create(struct cfg80211_chan_def *chandef,
+			     struct ieee80211_channel *chan,
+			     enum nl80211_channel_type chan_type)
 {
-	struct ieee80211_channel *chan;
-	struct ieee80211_sta_ht_cap *ht_cap;
+	if (WARN_ON(!chan))
+		return;
 
-	chan = ieee80211_get_channel(&rdev->wiphy, freq);
+	chandef->chan = chan;
+	chandef->center_freq2 = 0;
 
-	/* Primary channel not allowed */
-	if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
-		return NULL;
+	switch (chan_type) {
+	case NL80211_CHAN_NO_HT:
+		chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
+		chandef->center_freq1 = chan->center_freq;
+		break;
+	case NL80211_CHAN_HT20:
+		chandef->width = NL80211_CHAN_WIDTH_20;
+		chandef->center_freq1 = chan->center_freq;
+		break;
+	case NL80211_CHAN_HT40PLUS:
+		chandef->width = NL80211_CHAN_WIDTH_40;
+		chandef->center_freq1 = chan->center_freq + 10;
+		break;
+	case NL80211_CHAN_HT40MINUS:
+		chandef->width = NL80211_CHAN_WIDTH_40;
+		chandef->center_freq1 = chan->center_freq - 10;
+		break;
+	default:
+		WARN_ON(1);
+	}
+}
+EXPORT_SYMBOL(cfg80211_chandef_create);
 
-	if (channel_type == NL80211_CHAN_HT40MINUS &&
-	    chan->flags & IEEE80211_CHAN_NO_HT40MINUS)
-		return NULL;
-	else if (channel_type == NL80211_CHAN_HT40PLUS &&
-		 chan->flags & IEEE80211_CHAN_NO_HT40PLUS)
-		return NULL;
+bool cfg80211_chan_def_valid(const struct cfg80211_chan_def *chandef)
+{
+	u32 control_freq;
 
-	ht_cap = &rdev->wiphy.bands[chan->band]->ht_cap;
+	if (!chandef->chan)
+		return false;
 
-	if (channel_type != NL80211_CHAN_NO_HT) {
-		if (!ht_cap->ht_supported)
-			return NULL;
+	control_freq = chandef->chan->center_freq;
 
-		if (channel_type != NL80211_CHAN_HT20 &&
-		    (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
-		    ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT))
-			return NULL;
+	switch (chandef->width) {
+	case NL80211_CHAN_WIDTH_20:
+	case NL80211_CHAN_WIDTH_20_NOHT:
+		if (chandef->center_freq1 != control_freq)
+			return false;
+		if (chandef->center_freq2)
+			return false;
+		break;
+	case NL80211_CHAN_WIDTH_40:
+		if (chandef->center_freq1 != control_freq + 10 &&
+		    chandef->center_freq1 != control_freq - 10)
+			return false;
+		if (chandef->center_freq2)
+			return false;
+		break;
+	case NL80211_CHAN_WIDTH_80P80:
+		if (chandef->center_freq1 != control_freq + 30 &&
+		    chandef->center_freq1 != control_freq + 10 &&
+		    chandef->center_freq1 != control_freq - 10 &&
+		    chandef->center_freq1 != control_freq - 30)
+			return false;
+		if (!chandef->center_freq2)
+			return false;
+		break;
+	case NL80211_CHAN_WIDTH_80:
+		if (chandef->center_freq1 != control_freq + 30 &&
+		    chandef->center_freq1 != control_freq + 10 &&
+		    chandef->center_freq1 != control_freq - 10 &&
+		    chandef->center_freq1 != control_freq - 30)
+			return false;
+		if (chandef->center_freq2)
+			return false;
+		break;
+	case NL80211_CHAN_WIDTH_160:
+		if (chandef->center_freq1 != control_freq + 70 &&
+		    chandef->center_freq1 != control_freq + 50 &&
+		    chandef->center_freq1 != control_freq + 30 &&
+		    chandef->center_freq1 != control_freq + 10 &&
+		    chandef->center_freq1 != control_freq - 10 &&
+		    chandef->center_freq1 != control_freq - 30 &&
+		    chandef->center_freq1 != control_freq - 50 &&
+		    chandef->center_freq1 != control_freq - 70)
+			return false;
+		if (chandef->center_freq2)
+			return false;
+		break;
+	default:
+		return false;
 	}
 
-	return chan;
+	return true;
 }
 
-bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
-				  struct ieee80211_channel *chan,
-				  enum nl80211_channel_type channel_type)
+static void chandef_primary_freqs(const struct cfg80211_chan_def *c,
+				  int *pri40, int *pri80)
 {
-	struct ieee80211_channel *sec_chan;
-	int diff;
-
-	trace_cfg80211_can_beacon_sec_chan(wiphy, chan, channel_type);
+	int tmp;
 
-	switch (channel_type) {
-	case NL80211_CHAN_HT40PLUS:
-		diff = 20;
+	switch (c->width) {
+	case NL80211_CHAN_WIDTH_40:
+		*pri40 = c->center_freq1;
+		*pri80 = 0;
 		break;
-	case NL80211_CHAN_HT40MINUS:
-		diff = -20;
+	case NL80211_CHAN_WIDTH_80:
+	case NL80211_CHAN_WIDTH_80P80:
+		*pri80 = c->center_freq1;
+		/* n_P20 */
+		tmp = (30 + c->chan->center_freq - c->center_freq1)/20;
+		/* n_P40 */
+		tmp /= 2;
+		/* freq_P40 */
+		*pri40 = c->center_freq1 - 20 + 40 * tmp;
+		break;
+	case NL80211_CHAN_WIDTH_160:
+		/* n_P20 */
+		tmp = (70 + c->chan->center_freq - c->center_freq1)/20;
+		/* n_P40 */
+		tmp /= 2;
+		/* freq_P40 */
+		*pri40 = c->center_freq1 - 60 + 40 * tmp;
+		/* n_P80 */
+		tmp /= 2;
+		*pri80 = c->center_freq1 - 40 + 80 * tmp;
 		break;
 	default:
-		trace_cfg80211_return_bool(true);
-		return true;
+		WARN_ON_ONCE(1);
 	}
+}
+
+const struct cfg80211_chan_def *
+cfg80211_chandef_compatible(const struct cfg80211_chan_def *c1,
+			    const struct cfg80211_chan_def *c2)
+{
+	u32 c1_pri40, c1_pri80, c2_pri40, c2_pri80;
 
-	sec_chan = ieee80211_get_channel(wiphy, chan->center_freq + diff);
-	if (!sec_chan) {
+	/* If they are identical, return */
+	if (cfg80211_chandef_identical(c1, c2))
+		return c1;
+
+	/* otherwise, must have same control channel */
+	if (c1->chan != c2->chan)
+		return NULL;
+
+	/*
+	 * If they have the same width, but aren't identical,
+	 * then they can't be compatible.
+	 */
+	if (c1->width == c2->width)
+		return NULL;
+
+	if (c1->width == NL80211_CHAN_WIDTH_20_NOHT ||
+	    c1->width == NL80211_CHAN_WIDTH_20)
+		return c2;
+
+	if (c2->width == NL80211_CHAN_WIDTH_20_NOHT ||
+	    c2->width == NL80211_CHAN_WIDTH_20)
+		return c1;
+
+	chandef_primary_freqs(c1, &c1_pri40, &c1_pri80);
+	chandef_primary_freqs(c2, &c2_pri40, &c2_pri80);
+
+	if (c1_pri40 != c2_pri40)
+		return NULL;
+
+	WARN_ON(!c1_pri80 && !c2_pri80);
+	if (c1_pri80 && c2_pri80 && c1_pri80 != c2_pri80)
+		return NULL;
+
+	if (c1->width > c2->width)
+		return c1;
+	return c2;
+}
+EXPORT_SYMBOL(cfg80211_chandef_compatible);
+
+bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
+				 u32 center_freq, u32 bandwidth,
+				 u32 prohibited_flags)
+{
+	struct ieee80211_channel *c;
+	u32 freq;
+
+	for (freq = center_freq - bandwidth/2 + 10;
+	     freq <= center_freq + bandwidth/2 - 10;
+	     freq += 20) {
+		c = ieee80211_get_channel(wiphy, freq);
+		if (!c || c->flags & prohibited_flags)
+			return false;
+	}
+
+	return true;
+}
+
+static bool cfg80211_check_beacon_chans(struct wiphy *wiphy,
+					u32 center_freq, u32 bw)
+{
+	return cfg80211_secondary_chans_ok(wiphy, center_freq, bw,
+					   IEEE80211_CHAN_DISABLED |
+					   IEEE80211_CHAN_PASSIVE_SCAN |
+					   IEEE80211_CHAN_NO_IBSS |
+					   IEEE80211_CHAN_RADAR);
+}
+
+bool cfg80211_reg_can_beacon(struct wiphy *wiphy,
+			     struct cfg80211_chan_def *chandef)
+{
+	u32 width;
+	bool res;
+
+	trace_cfg80211_reg_can_beacon(wiphy, chandef);
+
+	if (WARN_ON(!cfg80211_chan_def_valid(chandef))) {
 		trace_cfg80211_return_bool(false);
 		return false;
 	}
 
-	/* we'll need a DFS capability later */
-	if (sec_chan->flags & (IEEE80211_CHAN_DISABLED |
-			       IEEE80211_CHAN_PASSIVE_SCAN |
-			       IEEE80211_CHAN_NO_IBSS |
-			       IEEE80211_CHAN_RADAR)) {
+	switch (chandef->width) {
+	case NL80211_CHAN_WIDTH_20_NOHT:
+	case NL80211_CHAN_WIDTH_20:
+		width = 20;
+		break;
+	case NL80211_CHAN_WIDTH_40:
+		width = 40;
+		break;
+	case NL80211_CHAN_WIDTH_80:
+	case NL80211_CHAN_WIDTH_80P80:
+		width = 80;
+		break;
+	case NL80211_CHAN_WIDTH_160:
+		width = 160;
+		break;
+	default:
+		WARN_ON_ONCE(1);
 		trace_cfg80211_return_bool(false);
 		return false;
 	}
-	trace_cfg80211_return_bool(true);
-	return true;
+
+	res = cfg80211_check_beacon_chans(wiphy, chandef->center_freq1, width);
+
+	if (res && chandef->center_freq2)
+		res = cfg80211_check_beacon_chans(wiphy, chandef->center_freq2,
+						  width);
+
+	trace_cfg80211_return_bool(res);
+	return res;
 }
-EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan);
+EXPORT_SYMBOL(cfg80211_reg_can_beacon);
 
 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
-				 int freq, enum nl80211_channel_type chantype)
+				 struct cfg80211_chan_def *chandef)
 {
-	struct ieee80211_channel *chan;
-
 	if (!rdev->ops->set_monitor_channel)
 		return -EOPNOTSUPP;
 	if (!cfg80211_has_monitors_only(rdev))
 		return -EBUSY;
 
-	chan = rdev_freq_to_chan(rdev, freq, chantype);
-	if (!chan)
-		return -EINVAL;
-
-	return rdev_set_monitor_channel(rdev, chan, chantype);
+	return rdev_set_monitor_channel(rdev, chandef);
 }
 
 void
diff --git a/net/wireless/core.h b/net/wireless/core.h
index e53831c..a0c8dec 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -309,9 +309,9 @@ int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
 		       const struct mesh_config *conf);
 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
 			struct net_device *dev);
-int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev,
-			   struct wireless_dev *wdev, int freq,
-			   enum nl80211_channel_type channel_type);
+int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
+			      struct wireless_dev *wdev,
+			      struct cfg80211_chan_def *chandef);
 
 /* AP */
 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
@@ -378,10 +378,8 @@ void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
 			  struct wireless_dev *wdev,
 			  struct ieee80211_channel *chan, bool offchan,
-			  enum nl80211_channel_type channel_type,
-			  bool channel_type_valid, unsigned int wait,
-			  const u8 *buf, size_t len, bool no_cck,
-			  bool dont_wait_for_ack, u64 *cookie);
+			  unsigned int wait, const u8 *buf, size_t len,
+			  bool no_cck, bool dont_wait_for_ack, u64 *cookie);
 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
 			       const struct ieee80211_ht_cap *ht_capa_mask);
 
@@ -472,11 +470,8 @@ cfg80211_get_chan_state(struct wireless_dev *wdev,
 		        struct ieee80211_channel **chan,
 		        enum cfg80211_chan_mode *chanmode);
 
-struct ieee80211_channel *
-rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
-		  int freq, enum nl80211_channel_type channel_type);
 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
-				 int freq, enum nl80211_channel_type chantype);
+				 struct cfg80211_chan_def *chandef);
 
 int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
 			   const u8 *rates, unsigned int n_rates,
@@ -488,6 +483,12 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
 			       enum nl80211_iftype iftype, int num);
 
+bool cfg80211_chan_def_valid(const struct cfg80211_chan_def *chandef);
+
+bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
+				 u32 center_freq, u32 bandwidth,
+				 u32 prohibited_flags);
+
 #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10
 
 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 27941d5..9b9551e 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -100,9 +100,9 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
 		* 11a for maximum compatibility.
 		*/
 		struct ieee80211_supported_band *sband =
-			rdev->wiphy.bands[params->channel->band];
+			rdev->wiphy.bands[params->chandef.chan->band];
 		int j;
-		u32 flag = params->channel->band == IEEE80211_BAND_5GHZ ?
+		u32 flag = params->chandef.chan->band == IEEE80211_BAND_5GHZ ?
 			IEEE80211_RATE_MANDATORY_A :
 			IEEE80211_RATE_MANDATORY_B;
 
@@ -118,11 +118,11 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
 
 	wdev->ibss_fixed = params->channel_fixed;
 #ifdef CONFIG_CFG80211_WEXT
-	wdev->wext.ibss.channel = params->channel;
+	wdev->wext.ibss.chandef = params->chandef;
 #endif
 	wdev->sme_state = CFG80211_SME_CONNECTING;
 
-	err = cfg80211_can_use_chan(rdev, wdev, params->channel,
+	err = cfg80211_can_use_chan(rdev, wdev, params->chandef.chan,
 				    params->channel_fixed
 				    ? CHAN_MODE_SHARED
 				    : CHAN_MODE_EXCLUSIVE);
@@ -251,7 +251,9 @@ int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
 		wdev->wext.ibss.beacon_interval = 100;
 
 	/* try to find an IBSS channel if none requested ... */
-	if (!wdev->wext.ibss.channel) {
+	if (!wdev->wext.ibss.chandef.chan) {
+		wdev->wext.ibss.chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
+
 		for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
 			struct ieee80211_supported_band *sband;
 			struct ieee80211_channel *chan;
@@ -266,15 +268,15 @@ int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
 					continue;
 				if (chan->flags & IEEE80211_CHAN_DISABLED)
 					continue;
-				wdev->wext.ibss.channel = chan;
+				wdev->wext.ibss.chandef.chan = chan;
 				break;
 			}
 
-			if (wdev->wext.ibss.channel)
+			if (wdev->wext.ibss.chandef.chan)
 				break;
 		}
 
-		if (!wdev->wext.ibss.channel)
+		if (!wdev->wext.ibss.chandef.chan)
 			return -EINVAL;
 	}
 
@@ -336,7 +338,7 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
 			return -EINVAL;
 	}
 
-	if (wdev->wext.ibss.channel == chan)
+	if (wdev->wext.ibss.chandef.chan == chan)
 		return 0;
 
 	wdev_lock(wdev);
@@ -349,7 +351,8 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
 		return err;
 
 	if (chan) {
-		wdev->wext.ibss.channel = chan;
+		wdev->wext.ibss.chandef.chan = chan;
+		wdev->wext.ibss.chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
 		wdev->wext.ibss.channel_fixed = true;
 	} else {
 		/* cfg80211_ibss_wext_join will pick one if needed */
@@ -379,8 +382,8 @@ int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
 	wdev_lock(wdev);
 	if (wdev->current_bss)
 		chan = wdev->current_bss->pub.channel;
-	else if (wdev->wext.ibss.channel)
-		chan = wdev->wext.ibss.channel;
+	else if (wdev->wext.ibss.chandef.chan)
+		chan = wdev->wext.ibss.chandef.chan;
 	wdev_unlock(wdev);
 
 	if (chan) {
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 966cfc4..3ee5a72 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -73,8 +73,6 @@ const struct mesh_config default_mesh_config = {
 
 const struct mesh_setup default_mesh_setup = {
 	/* cfg80211_join_mesh() will pick a channel if needed */
-	.channel = NULL,
-	.channel_type = NL80211_CHAN_NO_HT,
 	.sync_method = IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET,
 	.path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP,
 	.path_metric = IEEE80211_PATH_METRIC_AIRTIME,
@@ -111,13 +109,12 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
 	if (!rdev->ops->join_mesh)
 		return -EOPNOTSUPP;
 
-	if (!setup->channel) {
+	if (!setup->chandef.chan) {
 		/* if no channel explicitly given, use preset channel */
-		setup->channel = wdev->preset_chan;
-		setup->channel_type = wdev->preset_chantype;
+		setup->chandef = wdev->preset_chandef;
 	}
 
-	if (!setup->channel) {
+	if (!setup->chandef.chan) {
 		/* if we don't have that either, use the first usable channel */
 		enum ieee80211_band band;
 
@@ -137,26 +134,25 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
 						   IEEE80211_CHAN_DISABLED |
 						   IEEE80211_CHAN_RADAR))
 					continue;
-				setup->channel = chan;
+				setup->chandef.chan = chan;
 				break;
 			}
 
-			if (setup->channel)
+			if (setup->chandef.chan)
 				break;
 		}
 
 		/* no usable channel ... */
-		if (!setup->channel)
+		if (!setup->chandef.chan)
 			return -EINVAL;
 
-		setup->channel_type = NL80211_CHAN_NO_HT;
+		setup->chandef.width = NL80211_CHAN_WIDTH_20_NOHT;;
 	}
 
-	if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, setup->channel,
-					  setup->channel_type))
+	if (!cfg80211_reg_can_beacon(&rdev->wiphy, &setup->chandef))
 		return -EINVAL;
 
-	err = cfg80211_can_use_chan(rdev, wdev, setup->channel,
+	err = cfg80211_can_use_chan(rdev, wdev, setup->chandef.chan,
 				    CHAN_MODE_SHARED);
 	if (err)
 		return err;
@@ -165,7 +161,7 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
 	if (!err) {
 		memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len);
 		wdev->mesh_id_len = setup->mesh_id_len;
-		wdev->channel = setup->channel;
+		wdev->channel = setup->chandef.chan;
 	}
 
 	return err;
@@ -188,20 +184,12 @@ int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
 	return err;
 }
 
-int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev,
-			   struct wireless_dev *wdev, int freq,
-			   enum nl80211_channel_type channel_type)
+int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
+			      struct wireless_dev *wdev,
+			      struct cfg80211_chan_def *chandef)
 {
-	struct ieee80211_channel *channel;
 	int err;
 
-	channel = rdev_freq_to_chan(rdev, freq, channel_type);
-	if (!channel || !cfg80211_can_beacon_sec_chan(&rdev->wiphy,
-						      channel,
-						      channel_type)) {
-		return -EINVAL;
-	}
-
 	/*
 	 * Workaround for libertas (only!), it puts the interface
 	 * into mesh mode but doesn't implement join_mesh. Instead,
@@ -210,21 +198,21 @@ int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev,
 	 * compatible with 802.11 mesh.
 	 */
 	if (rdev->ops->libertas_set_mesh_channel) {
-		if (channel_type != NL80211_CHAN_NO_HT)
+		if (chandef->width != NL80211_CHAN_WIDTH_20_NOHT)
 			return -EINVAL;
 
 		if (!netif_running(wdev->netdev))
 			return -ENETDOWN;
 
-		err = cfg80211_can_use_chan(rdev, wdev, channel,
+		err = cfg80211_can_use_chan(rdev, wdev, chandef->chan,
 					    CHAN_MODE_SHARED);
 		if (err)
 			return err;
 
 		err = rdev_libertas_set_mesh_channel(rdev, wdev->netdev,
-						     channel);
+						     chandef->chan);
 		if (!err)
-			wdev->channel = channel;
+			wdev->channel = chandef->chan;
 
 		return err;
 	}
@@ -232,8 +220,7 @@ int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev,
 	if (wdev->mesh_id_len)
 		return -EBUSY;
 
-	wdev->preset_chan = channel;
-	wdev->preset_chantype = channel_type;
+	wdev->preset_chandef = *chandef;
 	return 0;
 }
 
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 4bfd14f..5e8123e 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -579,31 +579,25 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
 
 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
 			       struct ieee80211_channel *chan,
-			       enum nl80211_channel_type channel_type,
 			       unsigned int duration, gfp_t gfp)
 {
 	struct wiphy *wiphy = wdev->wiphy;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
 
-	trace_cfg80211_ready_on_channel(wdev, cookie, chan, channel_type,
-					duration);
-	nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, channel_type,
-				       duration, gfp);
+	trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
+	nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, duration, gfp);
 }
 EXPORT_SYMBOL(cfg80211_ready_on_channel);
 
 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
 					struct ieee80211_channel *chan,
-					enum nl80211_channel_type channel_type,
 					gfp_t gfp)
 {
 	struct wiphy *wiphy = wdev->wiphy;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
 
-	trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan,
-						channel_type);
-	nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan,
-					      channel_type, gfp);
+	trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
+	nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan, gfp);
 }
 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
 
@@ -758,10 +752,8 @@ void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev)
 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
 			  struct wireless_dev *wdev,
 			  struct ieee80211_channel *chan, bool offchan,
-			  enum nl80211_channel_type channel_type,
-			  bool channel_type_valid, unsigned int wait,
-			  const u8 *buf, size_t len, bool no_cck,
-			  bool dont_wait_for_ack, u64 *cookie)
+			  unsigned int wait, const u8 *buf, size_t len,
+			  bool no_cck, bool dont_wait_for_ack, u64 *cookie)
 {
 	const struct ieee80211_mgmt *mgmt;
 	u16 stype;
@@ -855,7 +847,6 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
 
 	/* Transmit the Action frame as requested by user space */
 	return rdev_mgmt_tx(rdev, wdev, chan, offchan,
-			    channel_type, channel_type_valid,
 			    wait, buf, len, no_cck, dont_wait_for_ack,
 			    cookie);
 }
@@ -997,15 +988,14 @@ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
 }
 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
 
-void cfg80211_ch_switch_notify(struct net_device *dev, int freq,
-			       enum nl80211_channel_type type)
+void cfg80211_ch_switch_notify(struct net_device *dev,
+			       struct cfg80211_chan_def *chandef)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct wiphy *wiphy = wdev->wiphy;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
-	struct ieee80211_channel *chan;
 
-	trace_cfg80211_ch_switch_notify(dev, freq, type);
+	trace_cfg80211_ch_switch_notify(dev, chandef);
 
 	wdev_lock(wdev);
 
@@ -1013,12 +1003,8 @@ void cfg80211_ch_switch_notify(struct net_device *dev, int freq,
 		    wdev->iftype != NL80211_IFTYPE_P2P_GO))
 		goto out;
 
-	chan = rdev_freq_to_chan(rdev, freq, type);
-	if (WARN_ON(!chan))
-		goto out;
-
-	wdev->channel = chan;
-	nl80211_ch_switch_notify(rdev, dev, freq, type, GFP_KERNEL);
+	wdev->channel = chandef->chan;
+	nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
 out:
 	wdev_unlock(wdev);
 	return;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 4c427fa..d038fa4 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -223,8 +223,13 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
 	[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
 				      .len = 20-1 },
 	[NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
+
 	[NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
 	[NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
+	[NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
+	[NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
+	[NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
+
 	[NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
 	[NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
 	[NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
@@ -1360,51 +1365,139 @@ static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
 		wdev->iftype == NL80211_IFTYPE_P2P_GO;
 }
 
-static bool nl80211_valid_channel_type(struct genl_info *info,
-				       enum nl80211_channel_type *channel_type)
+static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
+				 struct genl_info *info,
+				 struct cfg80211_chan_def *chandef)
 {
-	enum nl80211_channel_type tmp;
+	struct ieee80211_sta_ht_cap *ht_cap;
+	struct ieee80211_sta_vht_cap *vht_cap;
+	u32 control_freq, width;
 
-	if (!info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
-		return false;
+	if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
+		return -EINVAL;
 
-	tmp = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
-	if (tmp != NL80211_CHAN_NO_HT &&
-	    tmp != NL80211_CHAN_HT20 &&
-	    tmp != NL80211_CHAN_HT40PLUS &&
-	    tmp != NL80211_CHAN_HT40MINUS)
-		return false;
+	control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
 
-	if (channel_type)
-		*channel_type = tmp;
+	chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
+	chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
+	chandef->center_freq1 = control_freq;
+	chandef->center_freq2 = 0;
 
-	return true;
+	/* Primary channel not allowed */
+	if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED)
+		return -EINVAL;
+
+	if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
+		enum nl80211_channel_type chantype;
+
+		chantype = nla_get_u32(
+				info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+
+		switch (chantype) {
+		case NL80211_CHAN_NO_HT:
+		case NL80211_CHAN_HT20:
+		case NL80211_CHAN_HT40PLUS:
+		case NL80211_CHAN_HT40MINUS:
+			cfg80211_chandef_create(chandef, chandef->chan,
+						chantype);
+			break;
+		default:
+			return -EINVAL;
+		}
+	} else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
+		chandef->width =
+			nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]);
+		if (info->attrs[NL80211_ATTR_CENTER_FREQ1])
+			chandef->center_freq1 =
+				nla_get_u32(
+					info->attrs[NL80211_ATTR_CENTER_FREQ1]);
+		if (info->attrs[NL80211_ATTR_CENTER_FREQ2])
+			chandef->center_freq2 =
+				nla_get_u32(
+					info->attrs[NL80211_ATTR_CENTER_FREQ2]);
+	}
+
+	ht_cap = &rdev->wiphy.bands[chandef->chan->band]->ht_cap;
+	vht_cap = &rdev->wiphy.bands[chandef->chan->band]->vht_cap;
+
+	if (!cfg80211_chan_def_valid(chandef))
+		return -EINVAL;
+
+	switch (chandef->width) {
+	case NL80211_CHAN_WIDTH_20:
+		if (!ht_cap->ht_supported)
+			return -EINVAL;
+	case NL80211_CHAN_WIDTH_20_NOHT:
+		width = 20;
+		break;
+	case NL80211_CHAN_WIDTH_40:
+		width = 40;
+		/* quick early regulatory check */
+		if (chandef->center_freq1 < control_freq &&
+		    chandef->chan->flags & IEEE80211_CHAN_NO_HT40MINUS)
+			return -EINVAL;
+		if (chandef->center_freq1 > control_freq &&
+		    chandef->chan->flags & IEEE80211_CHAN_NO_HT40PLUS)
+			return -EINVAL;
+		if (!ht_cap->ht_supported)
+			return -EINVAL;
+		if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
+		    ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT)
+			return -EINVAL;
+		break;
+	case NL80211_CHAN_WIDTH_80:
+		width = 80;
+		if (!vht_cap->vht_supported)
+			return -EINVAL;
+		break;
+	case NL80211_CHAN_WIDTH_80P80:
+		width = 80;
+		if (!vht_cap->vht_supported)
+			return -EINVAL;
+		if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))
+			return -EINVAL;
+		break;
+	case NL80211_CHAN_WIDTH_160:
+		width = 160;
+		if (!vht_cap->vht_supported)
+			return -EINVAL;
+		if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ))
+			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (!cfg80211_secondary_chans_ok(&rdev->wiphy, chandef->center_freq1,
+					 width, IEEE80211_CHAN_DISABLED))
+		return -EINVAL;
+	if (chandef->center_freq2 &&
+	    !cfg80211_secondary_chans_ok(&rdev->wiphy, chandef->center_freq2,
+					 width, IEEE80211_CHAN_DISABLED))
+		return -EINVAL;
+
+	/* TODO: missing regulatory check on bandwidth */
+
+	return 0;
 }
 
 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
 				 struct wireless_dev *wdev,
 				 struct genl_info *info)
 {
-	struct ieee80211_channel *channel;
-	enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
-	u32 freq;
+	struct cfg80211_chan_def chandef;
 	int result;
 	enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
 
 	if (wdev)
 		iftype = wdev->iftype;
 
-	if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
-		return -EINVAL;
-
 	if (!nl80211_can_set_dev_channel(wdev))
 		return -EOPNOTSUPP;
 
-	if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] &&
-	    !nl80211_valid_channel_type(info, &channel_type))
-		return -EINVAL;
-
-	freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+	result = nl80211_parse_chandef(rdev, info, &chandef);
+	if (result)
+		return result;
 
 	mutex_lock(&rdev->devlist_mtx);
 	switch (iftype) {
@@ -1414,22 +1507,18 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
 			result = -EBUSY;
 			break;
 		}
-		channel = rdev_freq_to_chan(rdev, freq, channel_type);
-		if (!channel || !cfg80211_can_beacon_sec_chan(&rdev->wiphy,
-							      channel,
-							      channel_type)) {
+		if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) {
 			result = -EINVAL;
 			break;
 		}
-		wdev->preset_chan = channel;
-		wdev->preset_chantype = channel_type;
+		wdev->preset_chandef = chandef;
 		result = 0;
 		break;
 	case NL80211_IFTYPE_MESH_POINT:
-		result = cfg80211_set_mesh_freq(rdev, wdev, freq, channel_type);
+		result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
 		break;
 	case NL80211_IFTYPE_MONITOR:
-		result = cfg80211_set_monitor_channel(rdev, freq, channel_type);
+		result = cfg80211_set_monitor_channel(rdev, &chandef);
 		break;
 	default:
 		result = -EINVAL;
@@ -1749,6 +1838,35 @@ static inline u64 wdev_id(struct wireless_dev *wdev)
 	       ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
 }
 
+static int nl80211_send_chandef(struct sk_buff *msg,
+				 struct cfg80211_chan_def *chandef)
+{
+	WARN_ON(!cfg80211_chan_def_valid(chandef));
+
+	if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
+			chandef->chan->center_freq))
+		return -ENOBUFS;
+	switch (chandef->width) {
+	case NL80211_CHAN_WIDTH_20_NOHT:
+	case NL80211_CHAN_WIDTH_20:
+	case NL80211_CHAN_WIDTH_40:
+		if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+				cfg80211_get_chandef_type(chandef)))
+			return -ENOBUFS;
+		break;
+	default:
+		break;
+	}
+	if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
+		return -ENOBUFS;
+	if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
+		return -ENOBUFS;
+	if (chandef->center_freq2 &&
+	    nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
+		return -ENOBUFS;
+	return 0;
+}
+
 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
 			      struct cfg80211_registered_device *rdev,
 			      struct wireless_dev *wdev)
@@ -1775,16 +1893,14 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
 		goto nla_put_failure;
 
 	if (rdev->ops->get_channel) {
-		struct ieee80211_channel *chan;
-		enum nl80211_channel_type channel_type;
-
-		chan = rdev_get_channel(rdev, wdev, &channel_type);
-		if (chan &&
-		    (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
-				 chan->center_freq) ||
-		     nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
-				 channel_type)))
-			goto nla_put_failure;
+		int ret;
+		struct cfg80211_chan_def chandef;
+
+		ret = rdev_get_channel(rdev, wdev, &chandef);
+		if (ret == 0) {
+			if (nl80211_send_chandef(msg, &chandef))
+				goto nla_put_failure;
+		}
 	}
 
 	if (wdev->ssid_len) {
@@ -2492,11 +2608,10 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
 		    wdev->iftype != NL80211_IFTYPE_P2P_GO)
 			continue;
 
-		if (!wdev->preset_chan)
+		if (!wdev->preset_chandef.chan)
 			continue;
 
-		params->channel = wdev->preset_chan;
-		params->channel_type = wdev->preset_chantype;
+		params->chandef = wdev->preset_chandef;
 		ret = true;
 		break;
 	}
@@ -2618,30 +2733,19 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
 	}
 
 	if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
-		enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
-
-		if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] &&
-		    !nl80211_valid_channel_type(info, &channel_type))
-			return -EINVAL;
-
-		params.channel = rdev_freq_to_chan(rdev,
-			nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
-			channel_type);
-		if (!params.channel)
-			return -EINVAL;
-		params.channel_type = channel_type;
-	} else if (wdev->preset_chan) {
-		params.channel = wdev->preset_chan;
-		params.channel_type = wdev->preset_chantype;
+		err = nl80211_parse_chandef(rdev, info, &params.chandef);
+		if (err)
+			return err;
+	} else if (wdev->preset_chandef.chan) {
+		params.chandef = wdev->preset_chandef;
 	} else if (!nl80211_get_ap_channel(rdev, &params))
 		return -EINVAL;
 
-	if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, params.channel,
-					  params.channel_type))
+	if (!cfg80211_reg_can_beacon(&rdev->wiphy, &params.chandef))
 		return -EINVAL;
 
 	mutex_lock(&rdev->devlist_mtx);
-	err = cfg80211_can_use_chan(rdev, wdev, params.channel,
+	err = cfg80211_can_use_chan(rdev, wdev, params.chandef.chan,
 				    CHAN_MODE_SHARED);
 	mutex_unlock(&rdev->devlist_mtx);
 
@@ -2650,10 +2754,9 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
 
 	err = rdev_start_ap(rdev, dev, &params);
 	if (!err) {
-		wdev->preset_chan = params.channel;
-		wdev->preset_chantype = params.channel_type;
+		wdev->preset_chandef = params.chandef;
 		wdev->beacon_interval = params.beacon_interval;
-		wdev->channel = params.channel;
+		wdev->channel = params.chandef.chan;
 		wdev->ssid_len = params.ssid_len;
 		memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
 	}
@@ -2787,29 +2890,52 @@ static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
 
 	rate = nla_nest_start(msg, attr);
 	if (!rate)
-		goto nla_put_failure;
+		return false;
 
 	/* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
 	bitrate = cfg80211_calculate_bitrate(info);
 	/* report 16-bit bitrate only if we can */
 	bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
-	if ((bitrate > 0 &&
-	     nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) ||
-	    (bitrate_compat > 0 &&
-	     nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) ||
-	    ((info->flags & RATE_INFO_FLAGS_MCS) &&
-	     nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) ||
-	    ((info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) &&
-	     nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) ||
-	    ((info->flags & RATE_INFO_FLAGS_SHORT_GI) &&
-	     nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)))
-		goto nla_put_failure;
+	if (bitrate > 0 &&
+	    nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
+		return false;
+	if (bitrate_compat > 0 &&
+	    nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
+		return false;
+
+	if (info->flags & RATE_INFO_FLAGS_MCS) {
+		if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
+			return false;
+		if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
+		    nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
+			return false;
+		if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
+		    nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
+			return false;
+	} else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
+		if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
+			return false;
+		if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
+			return false;
+		if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
+		    nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
+			return false;
+		if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH &&
+		    nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH))
+			return false;
+		if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH &&
+		    nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH))
+			return false;
+		if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH &&
+		    nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH))
+			return false;
+		if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
+		    nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
+			return false;
+	}
 
 	nla_nest_end(msg, rate);
 	return true;
-
-nla_put_failure:
-	return false;
 }
 
 static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
@@ -5330,8 +5456,7 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
 	if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
 		return -EINVAL;
 
-	if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
-	    !info->attrs[NL80211_ATTR_SSID] ||
+	if (!info->attrs[NL80211_ATTR_SSID] ||
 	    !nla_len(info->attrs[NL80211_ATTR_SSID]))
 		return -EINVAL;
 
@@ -5366,35 +5491,17 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
 		ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
 	}
 
-	if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
-		enum nl80211_channel_type channel_type;
-
-		if (!nl80211_valid_channel_type(info, &channel_type))
-			return -EINVAL;
-
-		if (channel_type != NL80211_CHAN_NO_HT &&
-		    !(wiphy->features & NL80211_FEATURE_HT_IBSS))
-			return -EINVAL;
-
-		ibss.channel_type = channel_type;
-	} else {
-		ibss.channel_type = NL80211_CHAN_NO_HT;
-	}
+	err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
+	if (err)
+		return err;
 
-	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_NO_IBSS ||
-	    ibss.channel->flags & IEEE80211_CHAN_DISABLED)
+	if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef))
 		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))
+	if (ibss.chandef.width > NL80211_CHAN_WIDTH_40)
 		return -EINVAL;
+	if (ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
+	    !(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
 
 	ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
 	ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
@@ -5405,7 +5512,7 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
 		int n_rates =
 			nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
 		struct ieee80211_supported_band *sband =
-			wiphy->bands[ibss.channel->band];
+			wiphy->bands[ibss.chandef.chan->band];
 
 		err = ieee80211_get_ratemask(sband, rates, n_rates,
 					     &ibss.basic_rates);
@@ -5427,7 +5534,8 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
 		if (IS_ERR(connkeys))
 			return PTR_ERR(connkeys);
 
-		if ((ibss.channel_type != NL80211_CHAN_NO_HT) && no_ht) {
+		if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
+		    no_ht) {
 			kfree(connkeys);
 			return -EINVAL;
 		}
@@ -5948,12 +6056,11 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
 {
 	struct cfg80211_registered_device *rdev = info->user_ptr[0];
 	struct wireless_dev *wdev = info->user_ptr[1];
-	struct ieee80211_channel *chan;
+	struct cfg80211_chan_def chandef;
 	struct sk_buff *msg;
 	void *hdr;
 	u64 cookie;
-	enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
-	u32 freq, duration;
+	u32 duration;
 	int err;
 
 	if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
@@ -5974,14 +6081,9 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
 	    duration > rdev->wiphy.max_remain_on_channel_duration)
 		return -EINVAL;
 
-	if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] &&
-	    !nl80211_valid_channel_type(info, &channel_type))
-		return -EINVAL;
-
-	freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
-	chan = rdev_freq_to_chan(rdev, freq, channel_type);
-	if (chan == NULL)
-		return -EINVAL;
+	err = nl80211_parse_chandef(rdev, info, &chandef);
+	if (err)
+		return err;
 
 	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
 	if (!msg)
@@ -5995,8 +6097,8 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
 		goto free_msg;
 	}
 
-	err = rdev_remain_on_channel(rdev, wdev, chan, channel_type, duration,
-				     &cookie);
+	err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
+				     duration, &cookie);
 
 	if (err)
 		goto free_msg;
@@ -6215,10 +6317,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 {
 	struct cfg80211_registered_device *rdev = info->user_ptr[0];
 	struct wireless_dev *wdev = info->user_ptr[1];
-	struct ieee80211_channel *chan;
-	enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
-	bool channel_type_valid = false;
-	u32 freq;
+	struct cfg80211_chan_def chandef;
 	int err;
 	void *hdr = NULL;
 	u64 cookie;
@@ -6228,8 +6327,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 
 	dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
 
-	if (!info->attrs[NL80211_ATTR_FRAME] ||
-	    !info->attrs[NL80211_ATTR_WIPHY_FREQ])
+	if (!info->attrs[NL80211_ATTR_FRAME])
 		return -EINVAL;
 
 	if (!rdev->ops->mgmt_tx)
@@ -6264,12 +6362,6 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 
 	}
 
-	if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
-		if (!nl80211_valid_channel_type(info, &channel_type))
-			return -EINVAL;
-		channel_type_valid = true;
-	}
-
 	offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
 
 	if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
@@ -6277,10 +6369,9 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 
 	no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
 
-	freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
-	chan = rdev_freq_to_chan(rdev, freq, channel_type);
-	if (chan == NULL)
-		return -EINVAL;
+	err = nl80211_parse_chandef(rdev, info, &chandef);
+	if (err)
+		return err;
 
 	if (!dont_wait_for_ack) {
 		msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
@@ -6296,8 +6387,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 		}
 	}
 
-	err = cfg80211_mlme_mgmt_tx(rdev, wdev, chan, offchan, channel_type,
-				    channel_type_valid, wait,
+	err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait,
 				    nla_data(info->attrs[NL80211_ATTR_FRAME]),
 				    nla_len(info->attrs[NL80211_ATTR_FRAME]),
 				    no_cck, dont_wait_for_ack, &cookie);
@@ -6561,21 +6651,12 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
 	}
 
 	if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
-		enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
-
-		if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] &&
-		    !nl80211_valid_channel_type(info, &channel_type))
-			return -EINVAL;
-
-		setup.channel = rdev_freq_to_chan(rdev,
-			nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
-			channel_type);
-		if (!setup.channel)
-			return -EINVAL;
-		setup.channel_type = channel_type;
+		err = nl80211_parse_chandef(rdev, info, &setup.chandef);
+		if (err)
+			return err;
 	} else {
 		/* cfg80211_join_mesh() will sort it out */
-		setup.channel = NULL;
+		setup.chandef.chan = NULL;
 	}
 
 	return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
@@ -8395,7 +8476,6 @@ static void nl80211_send_remain_on_chan_event(
 	int cmd, struct cfg80211_registered_device *rdev,
 	struct wireless_dev *wdev, u64 cookie,
 	struct ieee80211_channel *chan,
-	enum nl80211_channel_type channel_type,
 	unsigned int duration, gfp_t gfp)
 {
 	struct sk_buff *msg;
@@ -8416,7 +8496,8 @@ static void nl80211_send_remain_on_chan_event(
 					 wdev->netdev->ifindex)) ||
 	    nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
 	    nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
-	    nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type) ||
+	    nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+			NL80211_CHAN_NO_HT) ||
 	    nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
 		goto nla_put_failure;
 
@@ -8438,23 +8519,20 @@ static void nl80211_send_remain_on_chan_event(
 void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
 				    struct wireless_dev *wdev, u64 cookie,
 				    struct ieee80211_channel *chan,
-				    enum nl80211_channel_type channel_type,
 				    unsigned int duration, gfp_t gfp)
 {
 	nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
 					  rdev, wdev, cookie, chan,
-					  channel_type, duration, gfp);
+					  duration, gfp);
 }
 
 void nl80211_send_remain_on_channel_cancel(
 	struct cfg80211_registered_device *rdev,
 	struct wireless_dev *wdev,
-	u64 cookie, struct ieee80211_channel *chan,
-	enum nl80211_channel_type channel_type, gfp_t gfp)
+	u64 cookie, struct ieee80211_channel *chan, gfp_t gfp)
 {
 	nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
-					  rdev, wdev, cookie, chan,
-					  channel_type, 0, gfp);
+					  rdev, wdev, cookie, chan, 0, gfp);
 }
 
 void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
@@ -8810,8 +8888,8 @@ void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
 }
 
 void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
-			      struct net_device *netdev, int freq,
-			      enum nl80211_channel_type type, gfp_t gfp)
+			      struct net_device *netdev,
+			      struct cfg80211_chan_def *chandef, gfp_t gfp)
 {
 	struct sk_buff *msg;
 	void *hdr;
@@ -8826,9 +8904,10 @@ void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
-	    nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
-	    nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, type))
+	if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
+		goto nla_put_failure;
+
+	if (nl80211_send_chandef(msg, chandef))
 		goto nla_put_failure;
 
 	genlmsg_end(msg, hdr);
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index f615351..2acba84 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -76,13 +76,11 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
 void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
 				    struct wireless_dev *wdev, u64 cookie,
 				    struct ieee80211_channel *chan,
-				    enum nl80211_channel_type channel_type,
 				    unsigned int duration, gfp_t gfp);
 void nl80211_send_remain_on_channel_cancel(
 	struct cfg80211_registered_device *rdev,
 	struct wireless_dev *wdev,
-	u64 cookie, struct ieee80211_channel *chan,
-	enum nl80211_channel_type channel_type, gfp_t gfp);
+	u64 cookie, struct ieee80211_channel *chan, gfp_t gfp);
 
 void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
 			    struct net_device *dev, const u8 *mac_addr,
@@ -129,8 +127,8 @@ void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
 				    const u8 *bssid, bool preauth, gfp_t gfp);
 
 void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
-			      struct net_device *dev, int freq,
-			      enum nl80211_channel_type type, gfp_t gfp);
+			      struct net_device *dev,
+			      struct cfg80211_chan_def *chandef, gfp_t gfp);
 
 bool nl80211_unexpected_frame(struct net_device *dev,
 			      const u8 *addr, gfp_t gfp);
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 6e5fa65..6c0c819 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -359,12 +359,11 @@ rdev_libertas_set_mesh_channel(struct cfg80211_registered_device *rdev,
 
 static inline int
 rdev_set_monitor_channel(struct cfg80211_registered_device *rdev,
-			 struct ieee80211_channel *chan,
-			 enum nl80211_channel_type channel_type)
+			 struct cfg80211_chan_def *chandef)
 {
 	int ret;
-	trace_rdev_set_monitor_channel(&rdev->wiphy, chan, channel_type);
-	ret = rdev->ops->set_monitor_channel(&rdev->wiphy, chan, channel_type);
+	trace_rdev_set_monitor_channel(&rdev->wiphy, chandef);
+	ret = rdev->ops->set_monitor_channel(&rdev->wiphy, chandef);
 	trace_rdev_return_int(&rdev->wiphy, ret);
 	return ret;
 }
@@ -600,14 +599,12 @@ static inline int
 rdev_remain_on_channel(struct cfg80211_registered_device *rdev,
 		       struct wireless_dev *wdev,
 		       struct ieee80211_channel *chan,
-		       enum nl80211_channel_type channel_type,
 		       unsigned int duration, u64 *cookie)
 {
 	int ret;
-	trace_rdev_remain_on_channel(&rdev->wiphy, wdev, chan, channel_type,
-				     duration);
+	trace_rdev_remain_on_channel(&rdev->wiphy, wdev, chan, duration);
 	ret = rdev->ops->remain_on_channel(&rdev->wiphy, wdev, chan,
-					    channel_type, duration, cookie);
+					   duration, cookie);
 	trace_rdev_return_int_cookie(&rdev->wiphy, ret, *cookie);
 	return ret;
 }
@@ -626,17 +623,15 @@ rdev_cancel_remain_on_channel(struct cfg80211_registered_device *rdev,
 static inline int rdev_mgmt_tx(struct cfg80211_registered_device *rdev,
 			       struct wireless_dev *wdev,
 			       struct ieee80211_channel *chan, bool offchan,
-			       enum nl80211_channel_type channel_type,
-			       bool channel_type_valid, unsigned int wait,
-			       const u8 *buf, size_t len, bool no_cck,
-			       bool dont_wait_for_ack, u64 *cookie)
+			       unsigned int wait, const u8 *buf, size_t len,
+			       bool no_cck, bool dont_wait_for_ack, u64 *cookie)
 {
 	int ret;
-	trace_rdev_mgmt_tx(&rdev->wiphy, wdev, chan, offchan, channel_type,
-			   channel_type_valid, wait, no_cck, dont_wait_for_ack);
+	trace_rdev_mgmt_tx(&rdev->wiphy, wdev, chan, offchan,
+			   wait, no_cck, dont_wait_for_ack);
 	ret = rdev->ops->mgmt_tx(&rdev->wiphy, wdev, chan, offchan,
-				  channel_type, channel_type_valid, wait, buf,
-				  len, no_cck, dont_wait_for_ack, cookie);
+				  wait, buf, len, no_cck,
+				  dont_wait_for_ack, cookie);
 	trace_rdev_return_int_cookie(&rdev->wiphy, ret, *cookie);
 	return ret;
 }
@@ -848,14 +843,17 @@ static inline void rdev_get_et_strings(struct cfg80211_registered_device *rdev,
 	trace_rdev_return_void(&rdev->wiphy);
 }
 
-static inline struct ieee80211_channel
-*rdev_get_channel(struct cfg80211_registered_device *rdev,
-		  struct wireless_dev *wdev, enum nl80211_channel_type *type)
+static inline int
+rdev_get_channel(struct cfg80211_registered_device *rdev,
+		 struct wireless_dev *wdev,
+		 struct cfg80211_chan_def *chandef)
 {
-	struct ieee80211_channel *ret;
+	int ret;
+
 	trace_rdev_get_channel(&rdev->wiphy, wdev);
-	ret = rdev->ops->get_channel(&rdev->wiphy, wdev, type);
-	trace_rdev_return_channel(&rdev->wiphy, ret, *type);
+	ret = rdev->ops->get_channel(&rdev->wiphy, wdev, chandef);
+	trace_rdev_return_chandef(&rdev->wiphy, ret, chandef);
+
 	return ret;
 }
 
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 7f97a08..9596015 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -771,6 +771,38 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
 	return found;
 }
 
+static struct ieee80211_channel *
+cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
+			 struct ieee80211_channel *channel)
+{
+	const u8 *tmp;
+	u32 freq;
+	int channel_number = -1;
+
+	tmp = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ie, ielen);
+	if (tmp && tmp[1] == 1) {
+		channel_number = tmp[2];
+	} else {
+		tmp = cfg80211_find_ie(WLAN_EID_HT_OPERATION, ie, ielen);
+		if (tmp && tmp[1] >= sizeof(struct ieee80211_ht_operation)) {
+			struct ieee80211_ht_operation *htop = (void *)(tmp + 2);
+
+			channel_number = htop->primary_chan;
+		}
+	}
+
+	if (channel_number < 0)
+		return channel;
+
+	freq = ieee80211_channel_to_frequency(channel_number, channel->band);
+	channel = ieee80211_get_channel(wiphy, freq);
+	if (!channel)
+		return NULL;
+	if (channel->flags & IEEE80211_CHAN_DISABLED)
+		return NULL;
+	return channel;
+}
+
 struct cfg80211_bss*
 cfg80211_inform_bss(struct wiphy *wiphy,
 		    struct ieee80211_channel *channel,
@@ -790,6 +822,10 @@ cfg80211_inform_bss(struct wiphy *wiphy,
 			(signal < 0 || signal > 100)))
 		return NULL;
 
+	channel = cfg80211_get_bss_channel(wiphy, ie, ielen, channel);
+	if (!channel)
+		return NULL;
+
 	res = kzalloc(sizeof(*res) + privsz + ielen, gfp);
 	if (!res)
 		return NULL;
@@ -839,11 +875,13 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy,
 			  s32 signal, gfp_t gfp)
 {
 	struct cfg80211_internal_bss *res;
-
 	size_t ielen = len - offsetof(struct ieee80211_mgmt,
 				      u.probe_resp.variable);
 	size_t privsz;
 
+	BUILD_BUG_ON(offsetof(struct ieee80211_mgmt, u.probe_resp.variable) !=
+			offsetof(struct ieee80211_mgmt, u.beacon.variable));
+
 	trace_cfg80211_inform_bss_frame(wiphy, channel, mgmt, len, signal);
 
 	if (WARN_ON(!mgmt))
@@ -861,6 +899,11 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy,
 
 	privsz = wiphy->bss_priv_size;
 
+	channel = cfg80211_get_bss_channel(wiphy, mgmt->u.beacon.variable,
+					   ielen, channel);
+	if (!channel)
+		return NULL;
+
 	res = kzalloc(sizeof(*res) + privsz + ielen, gfp);
 	if (!res)
 		return NULL;
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index f264c20..2134576 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -20,29 +20,26 @@
 #define MAC_PR_FMT "%pM"
 #define MAC_PR_ARG(entry_mac) (__entry->entry_mac)
 
-#define WIPHY_ENTRY MAC_ENTRY(wiphy_mac)
-#define WIPHY_ASSIGN MAC_ASSIGN(wiphy_mac, wiphy->perm_addr)
-#define WIPHY_PR_FMT "wiphy " MAC_PR_FMT
-#define WIPHY_PR_ARG MAC_PR_ARG(wiphy_mac)
-
-#define WDEV_ENTRY __field(u32, id)
-#define WDEV_ASSIGN (__entry->id) = (wdev ? wdev->identifier : 0)
-#define WDEV_PR_FMT ", wdev id: %u"
-#define WDEV_PR_ARG (__entry->id)
-
-#define NETDEV_ENTRY __array(char, name, IFNAMSIZ) \
-		     MAC_ENTRY(netdev_addr)	   \
-		     __field(int, ifindex)
+#define MAXNAME		32
+#define WIPHY_ENTRY	__array(char, wiphy_name, 32)
+#define WIPHY_ASSIGN	strlcpy(__entry->wiphy_name, wiphy_name(wiphy), MAXNAME)
+#define WIPHY_PR_FMT	"%s"
+#define WIPHY_PR_ARG	__entry->wiphy_name
+
+#define WDEV_ENTRY	__field(u32, id)
+#define WDEV_ASSIGN	(__entry->id) = (wdev ? wdev->identifier : 0)
+#define WDEV_PR_FMT	"wdev(%u)"
+#define WDEV_PR_ARG	(__entry->id)
+
+#define NETDEV_ENTRY	__array(char, name, IFNAMSIZ) \
+			__field(int, ifindex)
 #define NETDEV_ASSIGN					       \
 	do {						       \
 		memcpy(__entry->name, netdev->name, IFNAMSIZ); \
-		MAC_ASSIGN(netdev_addr, netdev->dev_addr);     \
 		(__entry->ifindex) = (netdev->ifindex);	       \
 	} while (0)
-#define NETDEV_PR_FMT ", netdev - name: %s, addr: " MAC_PR_FMT \
-		      ", intf index: %d"
-#define NETDEV_PR_ARG (__entry->name), MAC_PR_ARG(netdev_addr), \
-		      (__entry->ifindex)
+#define NETDEV_PR_FMT	"netdev:%s(%d)"
+#define NETDEV_PR_ARG	__entry->name, __entry->ifindex
 
 #define MESH_CFG_ENTRY __field(u16, dot11MeshRetryTimeout)		   \
 		       __field(u16, dot11MeshConfirmTimeout)		   \
@@ -123,9 +120,37 @@
 			__entry->center_freq = 0;		  \
 		}						  \
 	} while (0)
-#define CHAN_PR_FMT ", band: %d, freq: %u"
+#define CHAN_PR_FMT "band: %d, freq: %u"
 #define CHAN_PR_ARG __entry->band, __entry->center_freq
 
+#define CHAN_DEF_ENTRY __field(enum ieee80211_band, band)		\
+		       __field(u32, control_freq)			\
+		       __field(u32, width)				\
+		       __field(u32, center_freq1)			\
+		       __field(u32, center_freq2)
+#define CHAN_DEF_ASSIGN(chandef)					\
+	do {								\
+		if ((chandef) && (chandef)->chan) {			\
+			__entry->band = (chandef)->chan->band;		\
+			__entry->control_freq =				\
+				(chandef)->chan->center_freq;		\
+			__entry->width = (chandef)->width;		\
+			__entry->center_freq1 = (chandef)->center_freq1;\
+			__entry->center_freq2 = (chandef)->center_freq2;\
+		} else {						\
+			__entry->band = 0;				\
+			__entry->control_freq = 0;			\
+			__entry->width = 0;				\
+			__entry->center_freq1 = 0;			\
+			__entry->center_freq2 = 0;			\
+		}							\
+	} while (0)
+#define CHAN_DEF_PR_FMT							\
+	"band: %d, control freq: %u, width: %d, cf1: %u, cf2: %u"
+#define CHAN_DEF_PR_ARG __entry->band, __entry->control_freq,		\
+			__entry->width, __entry->center_freq1,		\
+			__entry->center_freq2
+
 #define SINFO_ENTRY __field(int, generation)	    \
 		    __field(u32, connected_time)    \
 		    __field(u32, inactive_time)	    \
@@ -313,7 +338,7 @@ DECLARE_EVENT_CLASS(wiphy_wdev_evt,
 		WIPHY_ASSIGN;
 		WDEV_ASSIGN;
 	),
-	TP_printk(WIPHY_PR_FMT WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG)
+	TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG)
 );
 
 DEFINE_EVENT(wiphy_wdev_evt, rdev_return_wdev,
@@ -340,7 +365,7 @@ TRACE_EVENT(rdev_change_virtual_intf,
 		NETDEV_ASSIGN;
 		__entry->type = type;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", type: %d",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", type: %d",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->type)
 );
 
@@ -362,7 +387,7 @@ DECLARE_EVENT_CLASS(key_handle,
 		__entry->key_index = key_index;
 		__entry->pairwise = pairwise;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", key_index: %u, pairwise: %s, mac addr: " MAC_PR_FMT,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", key_index: %u, pairwise: %s, mac addr: " MAC_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->key_index,
 		  BOOL_TO_STR(__entry->pairwise), MAC_PR_ARG(mac_addr))
 );
@@ -403,7 +428,7 @@ TRACE_EVENT(rdev_set_default_key,
 		__entry->unicast = unicast;
 		__entry->multicast = multicast;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", key index: %u, unicast: %s, multicast: %s",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", key index: %u, unicast: %s, multicast: %s",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->key_index,
 		  BOOL_TO_STR(__entry->unicast),
 		  BOOL_TO_STR(__entry->multicast))
@@ -422,7 +447,7 @@ TRACE_EVENT(rdev_set_default_mgmt_key,
 		NETDEV_ASSIGN;
 		__entry->key_index = key_index;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", key index: %u",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", key index: %u",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->key_index)
 );
 
@@ -433,7 +458,7 @@ TRACE_EVENT(rdev_start_ap,
 	TP_STRUCT__entry(
 		WIPHY_ENTRY
 		NETDEV_ENTRY
-		CHAN_ENTRY
+		CHAN_DEF_ENTRY
 		__field(int, beacon_interval)
 		__field(int, dtim_period)
 		__array(char, ssid, IEEE80211_MAX_SSID_LEN + 1)
@@ -446,7 +471,7 @@ TRACE_EVENT(rdev_start_ap,
 	TP_fast_assign(
 		WIPHY_ASSIGN;
 		NETDEV_ASSIGN;
-		CHAN_ASSIGN(settings->channel);
+		CHAN_DEF_ASSIGN(&settings->chandef);
 		__entry->beacon_interval = settings->beacon_interval;
 		__entry->dtim_period = settings->dtim_period;
 		__entry->hidden_ssid = settings->hidden_ssid;
@@ -457,11 +482,11 @@ TRACE_EVENT(rdev_start_ap,
 		memset(__entry->ssid, 0, IEEE80211_MAX_SSID_LEN + 1);
 		memcpy(__entry->ssid, settings->ssid, settings->ssid_len);
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", AP settings - ssid: %s, "
-		  CHAN_PR_FMT ", beacon interval: %d, dtim period: %d, "
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", AP settings - ssid: %s, "
+		  CHAN_DEF_PR_FMT ", beacon interval: %d, dtim period: %d, "
 		  "hidden ssid: %d, wpa versions: %u, privacy: %s, "
 		  "auth type: %d, inactivity timeout: %d",
-		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->ssid, CHAN_PR_ARG,
+		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->ssid, CHAN_DEF_PR_ARG,
 		  __entry->beacon_interval, __entry->dtim_period,
 		  __entry->hidden_ssid, __entry->wpa_ver,
 		  BOOL_TO_STR(__entry->privacy), __entry->auth_type,
@@ -510,7 +535,7 @@ TRACE_EVENT(rdev_change_beacon,
 				       info->probe_resp, info->probe_resp_len);
 		}
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG)
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG)
 );
 
 DECLARE_EVENT_CLASS(wiphy_netdev_evt,
@@ -524,7 +549,7 @@ DECLARE_EVENT_CLASS(wiphy_netdev_evt,
 		WIPHY_ASSIGN;
 		NETDEV_ASSIGN;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG)
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG)
 );
 
 DEFINE_EVENT(wiphy_netdev_evt, rdev_stop_ap,
@@ -602,7 +627,7 @@ DECLARE_EVENT_CLASS(station_add_change,
 			memcpy(__entry->ht_capa, params->ht_capa,
 			       sizeof(struct ieee80211_ht_cap));
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", station mac: " MAC_PR_FMT
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", station mac: " MAC_PR_FMT
 		  ", station flags mask: %u, station flags set: %u, "
 		  "station modify mask: %u, listen interval: %d, aid: %u, "
 		  "plink action: %u, plink state: %u, uapsd queues: %u",
@@ -638,7 +663,7 @@ DECLARE_EVENT_CLASS(wiphy_netdev_mac_evt,
 		NETDEV_ASSIGN;
 		MAC_ASSIGN(sta_mac, mac);
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", mac: " MAC_PR_FMT,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", mac: " MAC_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(sta_mac))
 );
 
@@ -678,7 +703,7 @@ TRACE_EVENT(rdev_dump_station,
 		MAC_ASSIGN(sta_mac, mac);
 		__entry->idx = idx;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", station mac: " MAC_PR_FMT ", idx: %d",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", station mac: " MAC_PR_FMT ", idx: %d",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(sta_mac),
 		  __entry->idx)
 );
@@ -716,7 +741,7 @@ DECLARE_EVENT_CLASS(mpath_evt,
 		MAC_ASSIGN(dst, dst);
 		MAC_ASSIGN(next_hop, next_hop);
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", destination: " MAC_PR_FMT ", next hop: " MAC_PR_FMT,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", destination: " MAC_PR_FMT ", next hop: " MAC_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dst),
 		  MAC_PR_ARG(next_hop))
 );
@@ -757,7 +782,7 @@ TRACE_EVENT(rdev_dump_mpath,
 		MAC_ASSIGN(next_hop, next_hop);
 		__entry->idx = idx;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", index: %d, destination: "
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", index: %d, destination: "
 		  MAC_PR_FMT ", next hop: " MAC_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->idx, MAC_PR_ARG(dst),
 		  MAC_PR_ARG(next_hop))
@@ -834,7 +859,7 @@ TRACE_EVENT(rdev_update_mesh_config,
 		MESH_CFG_ASSIGN;
 		__entry->mask = mask;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", mask: %u",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", mask: %u",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->mask)
 );
 
@@ -853,7 +878,7 @@ TRACE_EVENT(rdev_join_mesh,
 		NETDEV_ASSIGN;
 		MESH_CFG_ASSIGN;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG)
 );
 
@@ -879,7 +904,7 @@ TRACE_EVENT(rdev_change_bss,
 		__entry->ap_isolate = params->ap_isolate;
 		__entry->ht_opmode = params->ht_opmode;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", use cts prot: %d, "
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", use cts prot: %d, "
 		  "use short preamble: %d, use short slot time: %d, "
 		  "ap isolate: %d, ht opmode: %d",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->use_cts_prot,
@@ -909,7 +934,7 @@ TRACE_EVENT(rdev_set_txq_params,
 		__entry->cwmax = params->cwmax;
 		__entry->aifs = params->aifs;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", ac: %d, txop: %u, cwmin: %u, cwmax: %u, aifs: %u",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", ac: %d, txop: %u, cwmin: %u, cwmax: %u, aifs: %u",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->ac, __entry->txop,
 		  __entry->cwmin, __entry->cwmax, __entry->aifs)
 );
@@ -928,26 +953,24 @@ TRACE_EVENT(rdev_libertas_set_mesh_channel,
 		NETDEV_ASSIGN;
 		CHAN_ASSIGN(chan);
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT CHAN_PR_FMT, WIPHY_PR_ARG,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_PR_FMT, WIPHY_PR_ARG,
 		  NETDEV_PR_ARG, CHAN_PR_ARG)
 );
 
 TRACE_EVENT(rdev_set_monitor_channel,
-	TP_PROTO(struct wiphy *wiphy, struct ieee80211_channel *chan,
-		 enum nl80211_channel_type chan_type),
-	TP_ARGS(wiphy, chan, chan_type),
+	TP_PROTO(struct wiphy *wiphy,
+		 struct cfg80211_chan_def *chandef),
+	TP_ARGS(wiphy, chandef),
 	TP_STRUCT__entry(
 		WIPHY_ENTRY
-		CHAN_ENTRY
-		__field(enum nl80211_channel_type, chan_type)
+		CHAN_DEF_ENTRY
 	),
 	TP_fast_assign(
 		WIPHY_ASSIGN;
-		CHAN_ASSIGN(chan);
-		__entry->chan_type = chan_type;
+		CHAN_DEF_ASSIGN(chandef);
 	),
-	TP_printk(WIPHY_PR_FMT CHAN_PR_FMT ", channel type : %d",
-		  WIPHY_PR_ARG, CHAN_PR_ARG, __entry->chan_type)
+	TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT,
+		  WIPHY_PR_ARG, CHAN_DEF_PR_ARG)
 );
 
 TRACE_EVENT(rdev_auth,
@@ -969,7 +992,7 @@ TRACE_EVENT(rdev_auth,
 			memset(__entry->bssid, 0, ETH_ALEN);
 		__entry->auth_type = req->auth_type;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", auth type: %d, bssid: " MAC_PR_FMT,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", auth type: %d, bssid: " MAC_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->auth_type,
 		  MAC_PR_ARG(bssid))
 );
@@ -997,7 +1020,7 @@ TRACE_EVENT(rdev_assoc,
 		__entry->use_mfp = req->use_mfp;
 		__entry->flags = req->flags;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", bssid: " MAC_PR_FMT
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT
 		  ", previous bssid: " MAC_PR_FMT ", use mfp: %s, flags: %u",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid),
 		  MAC_PR_ARG(prev_bssid), BOOL_TO_STR(__entry->use_mfp),
@@ -1020,7 +1043,7 @@ TRACE_EVENT(rdev_deauth,
 		MAC_ASSIGN(bssid, req->bssid);
 		__entry->reason_code = req->reason_code;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", reason: %u",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", reason: %u",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid),
 		  __entry->reason_code)
 );
@@ -1046,7 +1069,7 @@ TRACE_EVENT(rdev_disassoc,
 		__entry->reason_code = req->reason_code;
 		__entry->local_state_change = req->local_state_change;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", bssid: " MAC_PR_FMT
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT
 		  ", reason: %u, local state change: %s",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid),
 		  __entry->reason_code,
@@ -1067,7 +1090,7 @@ TRACE_EVENT(rdev_mgmt_tx_cancel_wait,
 		WDEV_ASSIGN;
 		__entry->cookie = cookie;
 	),
-	TP_printk(WIPHY_PR_FMT WDEV_PR_FMT ", cookie: %llu ",
+	TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", cookie: %llu ",
 		  WIPHY_PR_ARG, WDEV_PR_ARG, __entry->cookie)
 );
 
@@ -1087,7 +1110,7 @@ TRACE_EVENT(rdev_set_power_mgmt,
 		__entry->enabled = enabled;
 		__entry->timeout = timeout;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", %senabled, timeout: %d ",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", %senabled, timeout: %d ",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG,
 		  __entry->enabled ? "" : "not ", __entry->timeout)
 );
@@ -1117,7 +1140,7 @@ TRACE_EVENT(rdev_connect,
 		__entry->wpa_versions = sme->crypto.wpa_versions;
 		__entry->flags = sme->flags;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", bssid: " MAC_PR_FMT
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT
 		  ", ssid: %s, auth type: %d, privacy: %s, wpa versions: %u, "
 		  "flags: %u",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid), __entry->ssid,
@@ -1142,7 +1165,7 @@ TRACE_EVENT(rdev_set_cqm_rssi_config,
 		__entry->rssi_thold = rssi_thold;
 		__entry->rssi_hyst = rssi_hyst;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT
 		  ", rssi_thold: %d, rssi_hyst: %u ",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG,
 		 __entry->rssi_thold, __entry->rssi_hyst)
@@ -1166,7 +1189,7 @@ TRACE_EVENT(rdev_set_cqm_txe_config,
 		__entry->pkts = pkts;
 		__entry->intvl = intvl;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", rate: %u, packets: %u, interval: %u",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", rate: %u, packets: %u, interval: %u",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->rate, __entry->pkts,
 		  __entry->intvl)
 );
@@ -1185,7 +1208,7 @@ TRACE_EVENT(rdev_disconnect,
 		NETDEV_ASSIGN;
 		__entry->reason_code = reason_code;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", reason code: %u", WIPHY_PR_ARG,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", reason code: %u", WIPHY_PR_ARG,
 		  NETDEV_PR_ARG, __entry->reason_code)
 );
 
@@ -1206,7 +1229,7 @@ TRACE_EVENT(rdev_join_ibss,
 		memset(__entry->ssid, 0, IEEE80211_MAX_SSID_LEN + 1);
 		memcpy(__entry->ssid, params->ssid, params->ssid_len);
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", ssid: %s",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", ssid: %s",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid), __entry->ssid)
 );
 
@@ -1246,7 +1269,7 @@ TRACE_EVENT(rdev_set_tx_power,
 		__entry->type = type;
 		__entry->mbm = mbm;
 	),
-	TP_printk(WIPHY_PR_FMT WDEV_PR_FMT ", type: %d, mbm: %d",
+	TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", type: %u, mbm: %d",
 		  WIPHY_PR_ARG, WDEV_PR_ARG,__entry->type, __entry->mbm)
 );
 
@@ -1307,7 +1330,7 @@ TRACE_EVENT(rdev_set_bitrate_mask,
 		NETDEV_ASSIGN;
 		MAC_ASSIGN(peer, peer);
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", peer: " MAC_PR_FMT,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer))
 );
 
@@ -1327,7 +1350,7 @@ TRACE_EVENT(rdev_mgmt_frame_register,
 		__entry->frame_type = frame_type;
 		__entry->reg = reg;
 	),
-	TP_printk(WIPHY_PR_FMT WDEV_PR_FMT ", frame_type: %u, reg: %s ",
+	TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", frame_type: 0x%.2x, reg: %s ",
 		  WIPHY_PR_ARG, WDEV_PR_ARG, __entry->frame_type,
 		  __entry->reg ? "true" : "false")
 );
@@ -1413,7 +1436,7 @@ TRACE_EVENT(rdev_sched_scan_start,
 		WIPHY_ASSIGN;
 		NETDEV_ASSIGN;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG)
 );
 
@@ -1441,7 +1464,7 @@ TRACE_EVENT(rdev_tdls_mgmt,
 		__entry->status_code = status_code;
 		memcpy(__get_dynamic_array(buf), buf, len);
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT MAC_PR_FMT ", action_code: %u, "
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", action_code: %u, "
 		  "dialog_token: %u, status_code: %u, buf: %#.2x ",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer),
 		  __entry->action_code, __entry->dialog_token,
@@ -1461,7 +1484,7 @@ TRACE_EVENT(rdev_dump_survey,
 		NETDEV_ASSIGN;
 		__entry->idx = idx;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", index: %d",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", index: %d",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->idx)
 );
 
@@ -1518,7 +1541,7 @@ TRACE_EVENT(rdev_tdls_oper,
 		MAC_ASSIGN(peer, peer);
 		__entry->oper = oper;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT MAC_PR_FMT ", oper: %d",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", oper: %d",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->oper)
 );
 
@@ -1536,7 +1559,7 @@ DECLARE_EVENT_CLASS(rdev_pmksa,
 		NETDEV_ASSIGN;
 		MAC_ASSIGN(bssid, pmksa->bssid);
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", bssid: " MAC_PR_FMT,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid))
 );
 
@@ -1554,7 +1577,7 @@ TRACE_EVENT(rdev_probe_client,
 		NETDEV_ASSIGN;
 		MAC_ASSIGN(peer, peer);
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT MAC_PR_FMT,
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT,
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer))
 );
 
@@ -1573,25 +1596,22 @@ DEFINE_EVENT(rdev_pmksa, rdev_del_pmksa,
 TRACE_EVENT(rdev_remain_on_channel,
 	TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev,
 		 struct ieee80211_channel *chan,
-		 enum nl80211_channel_type channel_type, unsigned int duration),
-	TP_ARGS(wiphy, wdev, chan, channel_type, duration),
+		 unsigned int duration),
+	TP_ARGS(wiphy, wdev, chan, duration),
 	TP_STRUCT__entry(
 		WIPHY_ENTRY
 		WDEV_ENTRY
 		CHAN_ENTRY
-		__field(enum nl80211_channel_type, channel_type)
 		__field(unsigned int, duration)
 	),
 	TP_fast_assign(
 		WIPHY_ASSIGN;
 		WDEV_ASSIGN;
 		CHAN_ASSIGN(chan);
-		__entry->channel_type = channel_type;
 		__entry->duration = duration;
 	),
-	TP_printk(WIPHY_PR_FMT WDEV_PR_FMT CHAN_PR_FMT ", channel type: %d, duration: %u",
-		  WIPHY_PR_ARG, WDEV_PR_ARG, CHAN_PR_ARG, __entry->channel_type,
-		  __entry->duration)
+	TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", " CHAN_PR_FMT ", duration: %u",
+		  WIPHY_PR_ARG, WDEV_PR_ARG, CHAN_PR_ARG, __entry->duration)
 );
 
 TRACE_EVENT(rdev_return_int_cookie,
@@ -1624,25 +1644,20 @@ TRACE_EVENT(rdev_cancel_remain_on_channel,
 		WDEV_ASSIGN;
 		__entry->cookie = cookie;
 	),
-	TP_printk(WIPHY_PR_FMT WDEV_PR_FMT ", cookie: %llu",
+	TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", cookie: %llu",
 		  WIPHY_PR_ARG, WDEV_PR_ARG, __entry->cookie)
 );
 
 TRACE_EVENT(rdev_mgmt_tx,
 	TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev,
 		 struct ieee80211_channel *chan, bool offchan,
-		 enum nl80211_channel_type channel_type,
-		 bool channel_type_valid, unsigned int wait, bool no_cck,
-		 bool dont_wait_for_ack),
-	TP_ARGS(wiphy, wdev, chan, offchan, channel_type, channel_type_valid,
-		wait, no_cck, dont_wait_for_ack),
+		 unsigned int wait, bool no_cck, bool dont_wait_for_ack),
+	TP_ARGS(wiphy, wdev, chan, offchan, wait, no_cck, dont_wait_for_ack),
 	TP_STRUCT__entry(
 		WIPHY_ENTRY
 		WDEV_ENTRY
 		CHAN_ENTRY
 		__field(bool, offchan)
-		__field(enum nl80211_channel_type, channel_type)
-		__field(bool, channel_type_valid)
 		__field(unsigned int, wait)
 		__field(bool, no_cck)
 		__field(bool, dont_wait_for_ack)
@@ -1652,18 +1667,14 @@ TRACE_EVENT(rdev_mgmt_tx,
 		WDEV_ASSIGN;
 		CHAN_ASSIGN(chan);
 		__entry->offchan = offchan;
-		__entry->channel_type = channel_type;
-		__entry->channel_type_valid = channel_type_valid;
 		__entry->wait = wait;
 		__entry->no_cck = no_cck;
 		__entry->dont_wait_for_ack = dont_wait_for_ack;
 	),
-	TP_printk(WIPHY_PR_FMT WDEV_PR_FMT CHAN_PR_FMT ", offchan: %s, "
-		  "channel type: %d, channel type valid: %s, wait: %u, "
-		  "no cck: %s, dont wait for ack: %s",
+	TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", " CHAN_PR_FMT ", offchan: %s,"
+		  " wait: %u, no cck: %s, dont wait for ack: %s",
 		  WIPHY_PR_ARG, WDEV_PR_ARG, CHAN_PR_ARG,
-		  BOOL_TO_STR(__entry->offchan), __entry->channel_type,
-		  BOOL_TO_STR(__entry->channel_type_valid), __entry->wait,
+		  BOOL_TO_STR(__entry->offchan), __entry->wait,
 		  BOOL_TO_STR(__entry->no_cck),
 		  BOOL_TO_STR(__entry->dont_wait_for_ack))
 );
@@ -1682,7 +1693,7 @@ TRACE_EVENT(rdev_set_noack_map,
 		NETDEV_ASSIGN;
 		__entry->noack_map = noack_map;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", noack_map: %u",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", noack_map: %u",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->noack_map)
 );
 
@@ -1699,7 +1710,7 @@ TRACE_EVENT(rdev_get_et_sset_count,
 		NETDEV_ASSIGN;
 		__entry->sset = sset;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", sset: %d",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", sset: %d",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->sset)
 );
 
@@ -1716,7 +1727,7 @@ TRACE_EVENT(rdev_get_et_strings,
 		NETDEV_ASSIGN;
 		__entry->sset = sset;
 	),
-	TP_printk(WIPHY_PR_FMT NETDEV_PR_FMT ", sset: %u",
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", sset: %u",
 		  WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->sset)
 );
 
@@ -1725,22 +1736,25 @@ DEFINE_EVENT(wiphy_wdev_evt, rdev_get_channel,
 	TP_ARGS(wiphy, wdev)
 );
 
-TRACE_EVENT(rdev_return_channel,
-	TP_PROTO(struct wiphy *wiphy, struct ieee80211_channel *chan,
-		 enum nl80211_channel_type type),
-	TP_ARGS(wiphy, chan, type),
+TRACE_EVENT(rdev_return_chandef,
+	TP_PROTO(struct wiphy *wiphy, int ret,
+		 struct cfg80211_chan_def *chandef),
+	TP_ARGS(wiphy, ret, chandef),
 	TP_STRUCT__entry(
 		WIPHY_ENTRY
-		CHAN_ENTRY
-		__field(enum nl80211_channel_type, type)
+		__field(int, ret)
+		CHAN_DEF_ENTRY
 	),
 	TP_fast_assign(
 		WIPHY_ASSIGN;
-		CHAN_ASSIGN(chan);
-		__entry->type = type;
+		if (ret == 0)
+			CHAN_DEF_ASSIGN(chandef);
+		else
+			CHAN_DEF_ASSIGN((struct cfg80211_chan_def *)NULL);
+		__entry->ret = ret;
 	),
-	TP_printk(WIPHY_PR_FMT CHAN_PR_FMT ", channel type: %d",
-		  WIPHY_PR_ARG, CHAN_PR_ARG, __entry->type)
+	TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", ret: %d",
+		  WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->ret)
 );
 
 DEFINE_EVENT(wiphy_wdev_evt, rdev_start_p2p_device,
@@ -1819,7 +1833,7 @@ TRACE_EVENT(cfg80211_send_rx_assoc,
 		MAC_ASSIGN(bssid, bss->bssid);
 		CHAN_ASSIGN(bss->channel);
 	),
-	TP_printk(NETDEV_PR_FMT MAC_PR_FMT CHAN_PR_FMT,
+	TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT ", " CHAN_PR_FMT,
 		  NETDEV_PR_ARG, MAC_PR_ARG(bssid), CHAN_PR_ARG)
 );
 
@@ -1886,7 +1900,7 @@ TRACE_EVENT(cfg80211_michael_mic_failure,
 		__entry->key_id = key_id;
 		memcpy(__entry->tsc, tsc, 6);
 	),
-	TP_printk(NETDEV_PR_FMT MAC_PR_FMT ", key type: %d, key id: %d, tsc: %pm",
+	TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT ", key type: %d, key id: %d, tsc: %pm",
 		  NETDEV_PR_ARG, MAC_PR_ARG(addr), __entry->key_type,
 		  __entry->key_id, __entry->tsc)
 );
@@ -1894,47 +1908,41 @@ TRACE_EVENT(cfg80211_michael_mic_failure,
 TRACE_EVENT(cfg80211_ready_on_channel,
 	TP_PROTO(struct wireless_dev *wdev, u64 cookie,
 		 struct ieee80211_channel *chan,
-		 enum nl80211_channel_type channel_type, unsigned int duration),
-	TP_ARGS(wdev, cookie, chan, channel_type, duration),
+		 unsigned int duration),
+	TP_ARGS(wdev, cookie, chan, duration),
 	TP_STRUCT__entry(
 		WDEV_ENTRY
 		__field(u64, cookie)
 		CHAN_ENTRY
-		__field(enum nl80211_channel_type, channel_type)
 		__field(unsigned int, duration)
 	),
 	TP_fast_assign(
 		WDEV_ASSIGN;
 		__entry->cookie = cookie;
 		CHAN_ASSIGN(chan);
-		__entry->channel_type = channel_type;
 		__entry->duration = duration;
 	),
-	TP_printk(WDEV_PR_FMT ", cookie: %llu, " CHAN_PR_FMT ", channel type: %d, duration: %u",
+	TP_printk(WDEV_PR_FMT ", cookie: %llu, " CHAN_PR_FMT ", duration: %u",
 		  WDEV_PR_ARG, __entry->cookie, CHAN_PR_ARG,
-		  __entry->channel_type, __entry->duration)
+		  __entry->duration)
 );
 
 TRACE_EVENT(cfg80211_ready_on_channel_expired,
 	TP_PROTO(struct wireless_dev *wdev, u64 cookie,
-		 struct ieee80211_channel *chan,
-		 enum nl80211_channel_type channel_type),
-	TP_ARGS(wdev, cookie, chan, channel_type),
+		 struct ieee80211_channel *chan),
+	TP_ARGS(wdev, cookie, chan),
 	TP_STRUCT__entry(
 		WDEV_ENTRY
 		__field(u64, cookie)
 		CHAN_ENTRY
-		__field(enum nl80211_channel_type, channel_type)
 	),
 	TP_fast_assign(
 		WDEV_ASSIGN;
 		__entry->cookie = cookie;
 		CHAN_ASSIGN(chan);
-		__entry->channel_type = channel_type;
 	),
-	TP_printk(WDEV_PR_FMT ", cookie: %llu, " CHAN_PR_FMT ", channel type: %d",
-		  WDEV_PR_ARG, __entry->cookie, CHAN_PR_ARG,
-		  __entry->channel_type)
+	TP_printk(WDEV_PR_FMT ", cookie: %llu, " CHAN_PR_FMT,
+		  WDEV_PR_ARG, __entry->cookie, CHAN_PR_ARG)
 );
 
 TRACE_EVENT(cfg80211_new_sta,
@@ -1951,7 +1959,7 @@ TRACE_EVENT(cfg80211_new_sta,
 		MAC_ASSIGN(mac_addr, mac_addr);
 		SINFO_ASSIGN;
 	),
-	TP_printk(NETDEV_PR_FMT MAC_PR_FMT,
+	TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT,
 		  NETDEV_PR_ARG, MAC_PR_ARG(mac_addr))
 );
 
@@ -2010,40 +2018,35 @@ TRACE_EVENT(cfg80211_cqm_rssi_notify,
 		  NETDEV_PR_ARG, __entry->rssi_event)
 );
 
-TRACE_EVENT(cfg80211_can_beacon_sec_chan,
-	TP_PROTO(struct wiphy *wiphy, struct ieee80211_channel *channel,
-		 enum nl80211_channel_type channel_type),
-	TP_ARGS(wiphy, channel, channel_type),
+TRACE_EVENT(cfg80211_reg_can_beacon,
+	TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef),
+	TP_ARGS(wiphy, chandef),
 	TP_STRUCT__entry(
 		WIPHY_ENTRY
-		CHAN_ENTRY
-		__field(enum nl80211_channel_type, channel_type)
+		CHAN_DEF_ENTRY
 	),
 	TP_fast_assign(
 		WIPHY_ASSIGN;
-		CHAN_ASSIGN(channel);
-		__entry->channel_type = channel_type;
+		CHAN_DEF_ASSIGN(chandef);
 	),
-	TP_printk(WIPHY_PR_FMT CHAN_PR_FMT ", channel_type: %d",
-		  WIPHY_PR_ARG, CHAN_PR_ARG, __entry->channel_type)
+	TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT,
+		  WIPHY_PR_ARG, CHAN_DEF_PR_ARG)
 );
 
 TRACE_EVENT(cfg80211_ch_switch_notify,
-	TP_PROTO(struct net_device *netdev, int freq,
-		 enum nl80211_channel_type type),
-	TP_ARGS(netdev, freq, type),
+	TP_PROTO(struct net_device *netdev,
+		 struct cfg80211_chan_def *chandef),
+	TP_ARGS(netdev, chandef),
 	TP_STRUCT__entry(
 		NETDEV_ENTRY
-		__field(int, freq)
-		__field(enum nl80211_channel_type, type)
+		CHAN_DEF_ENTRY
 	),
 	TP_fast_assign(
 		NETDEV_ASSIGN;
-		__entry->freq = freq;
-		__entry->type = type;
+		CHAN_DEF_ASSIGN(chandef);
 	),
-	TP_printk(NETDEV_PR_FMT ", freq: %d, type: %d", NETDEV_PR_ARG,
-		  __entry->freq, __entry->type)
+	TP_printk(NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT,
+		  NETDEV_PR_ARG, CHAN_DEF_PR_ARG)
 );
 
 DECLARE_EVENT_CLASS(cfg80211_rx_evt,
@@ -2057,7 +2060,7 @@ DECLARE_EVENT_CLASS(cfg80211_rx_evt,
 		NETDEV_ASSIGN;
 		MAC_ASSIGN(addr, addr);
 	),
-	TP_printk(NETDEV_PR_FMT MAC_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(addr))
+	TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(addr))
 );
 
 DEFINE_EVENT(cfg80211_rx_evt, cfg80211_ibss_joined,
@@ -2091,7 +2094,7 @@ TRACE_EVENT(cfg80211_probe_status,
 		__entry->cookie = cookie;
 		__entry->acked = acked;
 	),
-	TP_printk(NETDEV_PR_FMT MAC_PR_FMT ", cookie: %llu, acked: %s",
+	TP_printk(NETDEV_PR_FMT " addr:" MAC_PR_FMT ", cookie: %llu, acked: %s",
 		  NETDEV_PR_ARG, MAC_PR_ARG(addr), __entry->cookie,
 		  BOOL_TO_STR(__entry->acked))
 );
@@ -2241,7 +2244,7 @@ TRACE_EVENT(cfg80211_get_bss,
 		__entry->capa_mask = capa_mask;
 		__entry->capa_val = capa_val;
 	),
-	TP_printk(WIPHY_PR_FMT CHAN_PR_FMT MAC_PR_FMT ", buf: %#.2x, "
+	TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT ", " MAC_PR_FMT ", buf: %#.2x, "
 		  "capa_mask: %d, capa_val: %u", WIPHY_PR_ARG, CHAN_PR_ARG,
 		  MAC_PR_ARG(bssid), ((u8 *)__get_dynamic_array(ssid))[0],
 		  __entry->capa_mask, __entry->capa_val)
@@ -2265,7 +2268,7 @@ TRACE_EVENT(cfg80211_inform_bss_frame,
 			memcpy(__get_dynamic_array(mgmt), mgmt, len);
 		__entry->signal = signal;
 	),
-	TP_printk(WIPHY_PR_FMT CHAN_PR_FMT "signal: %d",
+	TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT "signal: %d",
 		  WIPHY_PR_ARG, CHAN_PR_ARG, __entry->signal)
 );
 
@@ -2280,7 +2283,7 @@ DECLARE_EVENT_CLASS(cfg80211_bss_evt,
 		MAC_ASSIGN(bssid, pub->bssid);
 		CHAN_ASSIGN(pub->channel);
 	),
-	TP_printk(MAC_PR_FMT CHAN_PR_FMT, MAC_PR_ARG(bssid), CHAN_PR_ARG)
+	TP_printk(MAC_PR_FMT ", " CHAN_PR_FMT, MAC_PR_ARG(bssid), CHAN_PR_ARG)
 );
 
 DEFINE_EVENT(cfg80211_bss_evt, cfg80211_return_bss,
diff --git a/net/wireless/util.c b/net/wireless/util.c
index b99f01c..3cce6e4 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -944,14 +944,86 @@ static u32 cfg80211_calculate_bitrate_60g(struct rate_info *rate)
 	return __mcs2bitrate[rate->mcs];
 }
 
+static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate)
+{
+	static const u32 base[4][10] = {
+		{   6500000,
+		   13000000,
+		   19500000,
+		   26000000,
+		   39000000,
+		   52000000,
+		   58500000,
+		   65000000,
+		   78000000,
+		   0,
+		},
+		{  13500000,
+		   27000000,
+		   40500000,
+		   54000000,
+		   81000000,
+		  108000000,
+		  121500000,
+		  135000000,
+		  162000000,
+		  180000000,
+		},
+		{  29300000,
+		   58500000,
+		   87800000,
+		  117000000,
+		  175500000,
+		  234000000,
+		  263300000,
+		  292500000,
+		  351000000,
+		  390000000,
+		},
+		{  58500000,
+		  117000000,
+		  175500000,
+		  234000000,
+		  351000000,
+		  468000000,
+		  526500000,
+		  585000000,
+		  702000000,
+		  780000000,
+		},
+	};
+	u32 bitrate;
+	int idx;
+
+	if (WARN_ON_ONCE(rate->mcs > 9))
+		return 0;
+
+	idx = rate->flags & (RATE_INFO_FLAGS_160_MHZ_WIDTH |
+			     RATE_INFO_FLAGS_80P80_MHZ_WIDTH) ? 3 :
+		  rate->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH ? 2 :
+		  rate->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH ? 1 : 0;
+
+	bitrate = base[idx][rate->mcs];
+	bitrate *= rate->nss;
+
+	if (rate->flags & RATE_INFO_FLAGS_SHORT_GI)
+		bitrate = (bitrate / 9) * 10;
+
+	/* do NOT round down here */
+	return (bitrate + 50000) / 100000;
+}
+
 u32 cfg80211_calculate_bitrate(struct rate_info *rate)
 {
 	int modulation, streams, bitrate;
 
-	if (!(rate->flags & RATE_INFO_FLAGS_MCS))
+	if (!(rate->flags & RATE_INFO_FLAGS_MCS) &&
+	    !(rate->flags & RATE_INFO_FLAGS_VHT_MCS))
 		return rate->legacy;
 	if (rate->flags & RATE_INFO_FLAGS_60G)
 		return cfg80211_calculate_bitrate_60g(rate);
+	if (rate->flags & RATE_INFO_FLAGS_VHT_MCS)
+		return cfg80211_calculate_bitrate_vht(rate);
 
 	/* the formula below does only work for MCS values smaller than 32 */
 	if (WARN_ON_ONCE(rate->mcs >= 32))
@@ -980,8 +1052,9 @@ u32 cfg80211_calculate_bitrate(struct rate_info *rate)
 }
 EXPORT_SYMBOL(cfg80211_calculate_bitrate);
 
-unsigned int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
-				   u8 attr, u8 *buf, unsigned int bufsize)
+int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
+			  enum ieee80211_p2p_attr_id attr,
+			  u8 *buf, unsigned int bufsize)
 {
 	u8 *out = buf;
 	u16 attr_remaining = 0;
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 742ab6e..f9680c9 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -784,6 +784,9 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+	struct cfg80211_chan_def chandef = {
+		.width = NL80211_CHAN_WIDTH_20_NOHT,
+	};
 	int freq, err;
 
 	switch (wdev->iftype) {
@@ -797,8 +800,12 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
 			return freq;
 		if (freq == 0)
 			return -EINVAL;
+		chandef.center_freq1 = freq;
+		chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
+		if (!chandef.chan)
+			return -EINVAL;
 		mutex_lock(&rdev->devlist_mtx);
-		err = cfg80211_set_monitor_channel(rdev, freq, NL80211_CHAN_NO_HT);
+		err = cfg80211_set_monitor_channel(rdev, &chandef);
 		mutex_unlock(&rdev->devlist_mtx);
 		return err;
 	case NL80211_IFTYPE_MESH_POINT:
@@ -807,9 +814,12 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
 			return freq;
 		if (freq == 0)
 			return -EINVAL;
+		chandef.center_freq1 = freq;
+		chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
+		if (!chandef.chan)
+			return -EINVAL;
 		mutex_lock(&rdev->devlist_mtx);
-		err = cfg80211_set_mesh_freq(rdev, wdev, freq,
-					     NL80211_CHAN_NO_HT);
+		err = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
 		mutex_unlock(&rdev->devlist_mtx);
 		return err;
 	default:
@@ -823,8 +833,8 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
-	struct ieee80211_channel *chan;
-	enum nl80211_channel_type channel_type;
+	struct cfg80211_chan_def chandef;
+	int ret;
 
 	switch (wdev->iftype) {
 	case NL80211_IFTYPE_STATION:
@@ -835,10 +845,10 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
 		if (!rdev->ops->get_channel)
 			return -EINVAL;
 
-		chan = rdev_get_channel(rdev, wdev, &channel_type);
-		if (!chan)
-			return -EINVAL;
-		freq->m = chan->center_freq;
+		ret = rdev_get_channel(rdev, wdev, &chandef);
+		if (ret)
+			return ret;
+		freq->m = chandef.chan->center_freq;
 		freq->e = 6;
 		return 0;
 	default:
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index 1f773f6..873af63 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -119,7 +119,16 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
 	 * channel we disconnected above and reconnect below.
 	 */
 	if (chan && !wdev->wext.connect.ssid_len) {
-		err = cfg80211_set_monitor_channel(rdev, freq, NL80211_CHAN_NO_HT);
+		struct cfg80211_chan_def chandef = {
+			.width = NL80211_CHAN_WIDTH_20_NOHT,
+			.center_freq1 = freq,
+		};
+
+		chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
+		if (chandef.chan)
+			err = cfg80211_set_monitor_channel(rdev, &chandef);
+		else
+			err = -EINVAL;
 		goto out;
 	}