1 files changed, 124 insertions, 109 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index dd237081dbe3..0744113f3535 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -5,7 +5,7 @@
  * Copyright 2006-2010	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2015  Intel Mobile Communications GmbH
  * Copyright (C) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2022 Intel Corporation
+ * Copyright (C) 2018-2024 Intel Corporation
  */
 
 #include <linux/ieee80211.h>
@@ -886,33 +886,32 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 {
 	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
-	int ret = 0;
+	struct ieee80211_chan_req chanreq = { .oper = *chandef };
+	int ret;
 
 	lockdep_assert_wiphy(local->hw.wiphy);
 
-	if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
+	if (cfg80211_chandef_identical(&local->monitor_chanreq.oper,
+				       &chanreq.oper))
 		return 0;
 
-	if (local->use_chanctx) {
-		sdata = wiphy_dereference(local->hw.wiphy,
-					  local->monitor_sdata);
-		if (sdata) {
-			ieee80211_link_release_channel(&sdata->deflink);
-			ret = ieee80211_link_use_channel(&sdata->deflink,
-							 chandef,
-							 IEEE80211_CHANCTX_EXCLUSIVE);
-		}
-	} else {
-		if (local->open_count == local->monitors) {
-			local->_oper_chandef = *chandef;
-			ieee80211_hw_config(local, 0);
-		}
-	}
+	sdata = wiphy_dereference(local->hw.wiphy,
+				  local->monitor_sdata);
+	if (!sdata)
+		goto done;
 
-	if (ret == 0)
-		local->monitor_chandef = *chandef;
+	if (cfg80211_chandef_identical(&sdata->vif.bss_conf.chanreq.oper,
+				       &chanreq.oper))
+		return 0;
 
-	return ret;
+	ieee80211_link_release_channel(&sdata->deflink);
+	ret = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
+					 IEEE80211_CHANCTX_EXCLUSIVE);
+	if (ret)
+		return ret;
+done:
+	local->monitor_chanreq = chanreq;
+	return 0;
 }
 
 static int
@@ -953,7 +952,8 @@ ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
 					struct cfg80211_fils_discovery *params,
 					struct ieee80211_link_data *link,
-					struct ieee80211_bss_conf *link_conf)
+					struct ieee80211_bss_conf *link_conf,
+					u64 *changed)
 {
 	struct fils_discovery_data *new, *old = NULL;
 	struct ieee80211_fils_discovery *fd;
@@ -980,14 +980,16 @@ static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
 		RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
 	}
 
-	return BSS_CHANGED_FILS_DISCOVERY;
+	*changed |= BSS_CHANGED_FILS_DISCOVERY;
+	return 0;
 }
 
 static int
 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
 				     struct cfg80211_unsol_bcast_probe_resp *params,
 				     struct ieee80211_link_data *link,
-				     struct ieee80211_bss_conf *link_conf)
+				     struct ieee80211_bss_conf *link_conf,
+				     u64 *changed)
 {
 	struct unsol_bcast_probe_resp_data *new, *old = NULL;
 
@@ -1011,7 +1013,8 @@ ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
 		RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
 	}
 
-	return BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
+	*changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
+	return 0;
 }
 
 static int ieee80211_set_ftm_responder_params(
@@ -1256,6 +1259,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 	unsigned int link_id = params->beacon.link_id;
 	struct ieee80211_link_data *link;
 	struct ieee80211_bss_conf *link_conf;
+	struct ieee80211_chan_req chanreq = { .oper = params->chandef };
 
 	lockdep_assert_wiphy(local->hw.wiphy);
 
@@ -1339,8 +1343,6 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 			return -EOPNOTSUPP;
 
 		link_conf->eht_support = true;
-		link_conf->eht_puncturing = params->punct_bitmap;
-		changed |= BSS_CHANGED_EHT_PUNCTURING;
 
 		link_conf->eht_su_beamformer =
 			params->eht_cap->fixed.phy_cap_info[0] &
@@ -1368,7 +1370,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 			return err;
 	}
 
-	err = ieee80211_link_use_channel(link, &params->chandef,
+	err = ieee80211_link_use_channel(link, &chanreq,
 					 IEEE80211_CHANCTX_SHARED);
 	if (!err)
 		ieee80211_link_copy_chanctx_to_vlans(link, false);
@@ -1443,17 +1445,15 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 		goto error;
 
 	err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
-					   link, link_conf);
+					   link, link_conf, &changed);
 	if (err < 0)
 		goto error;
-	changed |= err;
 
 	err = ieee80211_set_unsol_bcast_probe_resp(sdata,
 						   &params->unsol_bcast_probe_resp,
-						   link, link_conf);
+						   link, link_conf, &changed);
 	if (err < 0)
 		goto error;
-	changed |= err;
 
 	err = drv_start_ap(sdata->local, sdata, link_conf);
 	if (err) {
@@ -1518,17 +1518,15 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
 		return err;
 
 	err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
-					   link, link_conf);
+					   link, link_conf, &changed);
 	if (err < 0)
 		return err;
-	changed |= err;
 
 	err = ieee80211_set_unsol_bcast_probe_resp(sdata,
 						   &params->unsol_bcast_probe_resp,
-						   link, link_conf);
+						   link, link_conf, &changed);
 	if (err < 0)
 		return err;
-	changed |= err;
 
 	if (beacon->he_bss_color_valid &&
 	    beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) {
@@ -1618,7 +1616,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
 	link_conf->ema_ap = false;
 	link_conf->bssid_indicator = 0;
 
-	__sta_info_flush(sdata, true);
+	__sta_info_flush(sdata, true, link_id);
 	ieee80211_free_keys(sdata, true);
 
 	link_conf->enable_beacon = false;
@@ -1629,7 +1627,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
 					  BSS_CHANGED_BEACON_ENABLED);
 
 	if (sdata->wdev.cac_started) {
-		chandef = link_conf->chandef;
+		chandef = link_conf->chanreq.oper;
 		wiphy_delayed_work_cancel(wiphy, &link->dfs_cac_timer_work);
 		cfg80211_cac_event(sdata->dev, &chandef,
 				   NL80211_RADAR_CAC_ABORTED,
@@ -1829,7 +1827,7 @@ static int sta_link_apply_parameters(struct ieee80211_local *local,
 
 	if (params->supported_rates &&
 	    params->supported_rates_len) {
-		ieee80211_parse_bitrates(link->conf->chandef.width,
+		ieee80211_parse_bitrates(link->conf->chanreq.oper.width,
 					 sband, params->supported_rates,
 					 params->supported_rates_len,
 					 &link_sta->pub->supp_rates[sband->band]);
@@ -1869,6 +1867,8 @@ static int sta_link_apply_parameters(struct ieee80211_local *local,
 					      sband->band);
 	}
 
+	ieee80211_sta_set_rx_nss(link_sta);
+
 	return ret;
 }
 
@@ -2096,7 +2096,7 @@ static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 	if (params->mac)
 		return sta_info_destroy_addr_bss(sdata, params->mac);
 
-	sta_info_flush(sdata);
+	sta_info_flush(sdata, params->link_id);
 	return 0;
 }
 
@@ -2603,6 +2603,7 @@ static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
 			       const struct mesh_setup *setup)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_chan_req chanreq = { .oper = setup->chandef };
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	int err;
 
@@ -2619,7 +2620,7 @@ static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
 	sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
 	sdata->deflink.needed_rx_chains = sdata->local->rx_chains;
 
-	err = ieee80211_link_use_channel(&sdata->deflink, &setup->chandef,
+	err = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
 					 IEEE80211_CHANCTX_SHARED);
 	if (err)
 		return err;
@@ -2662,7 +2663,7 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
 		return -EINVAL;
 
 	if (params->basic_rates) {
-		if (!ieee80211_parse_bitrates(link->conf->chandef.width,
+		if (!ieee80211_parse_bitrates(link->conf->chanreq.oper.width,
 					      wiphy->bands[sband->band],
 					      params->basic_rates,
 					      params->basic_rates_len,
@@ -3084,7 +3085,7 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy,
 	if (local->ops->get_txpower)
 		return drv_get_txpower(local, sdata, dbm);
 
-	if (!local->use_chanctx)
+	if (local->emulate_chanctx)
 		*dbm = local->hw.conf.power_level;
 	else
 		*dbm = sdata->vif.bss_conf.txpower;
@@ -3177,7 +3178,7 @@ int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
 	 * the new value until we associate.
 	 */
 	if (!sdata->u.mgd.associated ||
-	    link->conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
+	    link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT)
 		return 0;
 
 	ap = sdata->vif.cfg.ap_addr;
@@ -3332,9 +3333,11 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
 	 * so at a basic rate so that all clients can receive it.
 	 */
 	if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) &&
-	    sdata->vif.bss_conf.chandef.chan) {
+	    sdata->vif.bss_conf.chanreq.oper.chan) {
 		u32 basic_rates = sdata->vif.bss_conf.basic_rates;
-		enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
+		enum nl80211_band band;
+
+		band = sdata->vif.bss_conf.chanreq.oper.chan->band;
 
 		if (!(mask->control[band].legacy & basic_rates))
 			return -EINVAL;
@@ -3386,6 +3389,7 @@ static int ieee80211_start_radar_detection(struct wiphy *wiphy,
 					   u32 cac_time_ms)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_chan_req chanreq = { .oper = *chandef };
 	struct ieee80211_local *local = sdata->local;
 	int err;
 
@@ -3400,7 +3404,7 @@ static int ieee80211_start_radar_detection(struct wiphy *wiphy,
 	sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
 	sdata->deflink.needed_rx_chains = local->rx_chains;
 
-	err = ieee80211_link_use_channel(&sdata->deflink, chandef,
+	err = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
 					 IEEE80211_CHANCTX_SHARED);
 	if (err)
 		goto out_unlock;
@@ -3543,13 +3547,24 @@ cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
 	return new_beacon;
 }
 
-void ieee80211_csa_finish(struct ieee80211_vif *vif)
+void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id)
 {
 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
 	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_link_data *link_data;
+
+	if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
+		return;
 
 	rcu_read_lock();
 
+	link_data = rcu_dereference(sdata->link[link_id]);
+	if (WARN_ON(!link_data)) {
+		rcu_read_unlock();
+		return;
+	}
+
+	/* TODO: MBSSID with MLO changes */
 	if (vif->mbssid_tx_vif == vif) {
 		/* Trigger ieee80211_csa_finish() on the non-transmitting
 		 * interfaces when channel switch is received on
@@ -3568,7 +3583,7 @@ void ieee80211_csa_finish(struct ieee80211_vif *vif)
 					 &iter->deflink.csa_finalize_work);
 		}
 	}
-	wiphy_work_queue(local->hw.wiphy, &sdata->deflink.csa_finalize_work);
+	wiphy_work_queue(local->hw.wiphy, &link_data->csa_finalize_work);
 
 	rcu_read_unlock();
 }
@@ -3586,20 +3601,21 @@ void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif, bool block_t
 }
 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);
 
-static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
+static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data,
 					  u64 *changed)
 {
+	struct ieee80211_sub_if_data *sdata = link_data->sdata;
 	int err;
 
 	switch (sdata->vif.type) {
 	case NL80211_IFTYPE_AP:
-		if (!sdata->deflink.u.ap.next_beacon)
+		if (!link_data->u.ap.next_beacon)
 			return -EINVAL;
 
-		err = ieee80211_assign_beacon(sdata, &sdata->deflink,
-					      sdata->deflink.u.ap.next_beacon,
+		err = ieee80211_assign_beacon(sdata, link_data,
+					      link_data->u.ap.next_beacon,
 					      NULL, NULL, changed);
-		ieee80211_free_next_beacon(&sdata->deflink);
+		ieee80211_free_next_beacon(link_data);
 
 		if (err < 0)
 			return err;
@@ -3628,6 +3644,7 @@ static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
 {
 	struct ieee80211_sub_if_data *sdata = link_data->sdata;
 	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_bss_conf *link_conf = link_data->conf;
 	u64 changed = 0;
 	int err;
 
@@ -3649,25 +3666,19 @@ static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
 		if (link_data->reserved_ready)
 			return 0;
 
-		return ieee80211_link_use_reserved_context(&sdata->deflink);
+		return ieee80211_link_use_reserved_context(link_data);
 	}
 
-	if (!cfg80211_chandef_identical(&link_data->conf->chandef,
-					&link_data->csa_chandef))
+	if (!cfg80211_chandef_identical(&link_conf->chanreq.oper,
+					&link_data->csa_chanreq.oper))
 		return -EINVAL;
 
-	sdata->vif.bss_conf.csa_active = false;
+	link_conf->csa_active = false;
 
-	err = ieee80211_set_after_csa_beacon(sdata, &changed);
+	err = ieee80211_set_after_csa_beacon(link_data, &changed);
 	if (err)
 		return err;
 
-	if (sdata->vif.bss_conf.eht_puncturing != sdata->vif.bss_conf.csa_punct_bitmap) {
-		sdata->vif.bss_conf.eht_puncturing =
-					sdata->vif.bss_conf.csa_punct_bitmap;
-		changed |= BSS_CHANGED_EHT_PUNCTURING;
-	}
-
 	ieee80211_link_info_change_notify(sdata, link_data, changed);
 
 	if (link_data->csa_block_tx) {
@@ -3680,9 +3691,8 @@ static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
 	if (err)
 		return err;
 
-	cfg80211_ch_switch_notify(sdata->dev, &link_data->csa_chandef,
-				  link_data->link_id,
-				  link_data->conf->eht_puncturing);
+	cfg80211_ch_switch_notify(sdata->dev, &link_data->csa_chanreq.oper,
+				  link_data->link_id);
 
 	return 0;
 }
@@ -3692,7 +3702,8 @@ static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
 	struct ieee80211_sub_if_data *sdata = link_data->sdata;
 
 	if (__ieee80211_csa_finalize(link_data)) {
-		sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
+		sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n",
+			   link_data->link_id);
 		cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
 				    GFP_KERNEL);
 	}
@@ -3717,18 +3728,19 @@ void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work)
 	ieee80211_csa_finalize(link);
 }
 
-static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
+static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data,
 				    struct cfg80211_csa_settings *params,
 				    u64 *changed)
 {
+	struct ieee80211_sub_if_data *sdata = link_data->sdata;
 	struct ieee80211_csa_settings csa = {};
 	int err;
 
 	switch (sdata->vif.type) {
 	case NL80211_IFTYPE_AP:
-		sdata->deflink.u.ap.next_beacon =
+		link_data->u.ap.next_beacon =
 			cfg80211_beacon_dup(&params->beacon_after);
-		if (!sdata->deflink.u.ap.next_beacon)
+		if (!link_data->u.ap.next_beacon)
 			return -ENOMEM;
 
 		/*
@@ -3754,7 +3766,7 @@ static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
 		     IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
 		    (params->n_counter_offsets_presp >
 		     IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) {
-			ieee80211_free_next_beacon(&sdata->deflink);
+			ieee80211_free_next_beacon(link_data);
 			return -EINVAL;
 		}
 
@@ -3764,11 +3776,11 @@ static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
 		csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
 		csa.count = params->count;
 
-		err = ieee80211_assign_beacon(sdata, &sdata->deflink,
+		err = ieee80211_assign_beacon(sdata, link_data,
 					      &params->beacon_csa, &csa,
 					      NULL, changed);
 		if (err < 0) {
-			ieee80211_free_next_beacon(&sdata->deflink);
+			ieee80211_free_next_beacon(link_data);
 			return err;
 		}
 
@@ -3815,7 +3827,7 @@ static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
 		struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 
 		/* changes into another band are not supported */
-		if (sdata->vif.bss_conf.chandef.chan->band !=
+		if (sdata->vif.bss_conf.chanreq.oper.chan->band !=
 		    params->chandef.chan->band)
 			return -EINVAL;
 
@@ -3863,11 +3875,15 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 			   struct cfg80211_csa_settings *params)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_chan_req chanreq = { .oper = params->chandef };
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_channel_switch ch_switch;
 	struct ieee80211_chanctx_conf *conf;
 	struct ieee80211_chanctx *chanctx;
+	struct ieee80211_bss_conf *link_conf;
+	struct ieee80211_link_data *link_data;
 	u64 changed = 0;
+	u8 link_id = params->link_id;
 	int err;
 
 	lockdep_assert_wiphy(local->hw.wiphy);
@@ -3878,16 +3894,23 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 	if (sdata->wdev.cac_started)
 		return -EBUSY;
 
-	if (cfg80211_chandef_identical(&params->chandef,
-				       &sdata->vif.bss_conf.chandef))
+	if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
+		return -EINVAL;
+
+	link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
+	if (!link_data)
+		return -ENOLINK;
+
+	link_conf = link_data->conf;
+
+	if (chanreq.oper.punctured && !link_conf->eht_support)
 		return -EINVAL;
 
 	/* don't allow another channel switch if one is already active. */
-	if (sdata->vif.bss_conf.csa_active)
+	if (link_conf->csa_active)
 		return -EBUSY;
 
-	conf = rcu_dereference_protected(sdata->vif.bss_conf.chanctx_conf,
-					 lockdep_is_held(&local->hw.wiphy->mtx));
+	conf = wiphy_dereference(wiphy, link_conf->chanctx_conf);
 	if (!conf) {
 		err = -EBUSY;
 		goto out;
@@ -3904,14 +3927,14 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 	ch_switch.timestamp = 0;
 	ch_switch.device_timestamp = 0;
 	ch_switch.block_tx = params->block_tx;
-	ch_switch.chandef = params->chandef;
+	ch_switch.chandef = chanreq.oper;
 	ch_switch.count = params->count;
 
 	err = drv_pre_channel_switch(sdata, &ch_switch);
 	if (err)
 		goto out;
 
-	err = ieee80211_link_reserve_chanctx(&sdata->deflink, &params->chandef,
+	err = ieee80211_link_reserve_chanctx(link_data, &chanreq,
 					     chanctx->mode,
 					     params->radar_required);
 	if (err)
@@ -3920,44 +3943,38 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 	/* if reservation is invalid then this will fail */
 	err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
 	if (err) {
-		ieee80211_link_unreserve_chanctx(&sdata->deflink);
+		ieee80211_link_unreserve_chanctx(link_data);
 		goto out;
 	}
 
 	/* if there is a color change in progress, abort it */
-	if (sdata->vif.bss_conf.color_change_active)
+	if (link_conf->color_change_active)
 		ieee80211_color_change_abort(sdata);
 
-	err = ieee80211_set_csa_beacon(sdata, params, &changed);
+	err = ieee80211_set_csa_beacon(link_data, params, &changed);
 	if (err) {
-		ieee80211_link_unreserve_chanctx(&sdata->deflink);
+		ieee80211_link_unreserve_chanctx(link_data);
 		goto out;
 	}
 
-	if (params->punct_bitmap && !sdata->vif.bss_conf.eht_support)
-		goto out;
-
-	sdata->deflink.csa_chandef = params->chandef;
-	sdata->deflink.csa_block_tx = params->block_tx;
-	sdata->vif.bss_conf.csa_active = true;
-	sdata->vif.bss_conf.csa_punct_bitmap = params->punct_bitmap;
+	link_data->csa_chanreq = chanreq; 
+	link_data->csa_block_tx = params->block_tx;
+	link_conf->csa_active = true;
 
-	if (sdata->deflink.csa_block_tx)
+	if (link_data->csa_block_tx)
 		ieee80211_stop_vif_queues(local, sdata,
 					  IEEE80211_QUEUE_STOP_REASON_CSA);
 
 	cfg80211_ch_switch_started_notify(sdata->dev,
-					  &sdata->deflink.csa_chandef, 0,
-					  params->count, params->block_tx,
-					  sdata->vif.bss_conf.csa_punct_bitmap);
+					  &link_data->csa_chanreq.oper, 0,
+					  params->count, params->block_tx);
 
 	if (changed) {
-		ieee80211_link_info_change_notify(sdata, &sdata->deflink,
-						  changed);
-		drv_channel_switch_beacon(sdata, &params->chandef);
+		ieee80211_link_info_change_notify(sdata, link_data, changed);
+		drv_channel_switch_beacon(sdata, &link_data->csa_chanreq.oper);
 	} else {
 		/* if the beacon didn't change, we can finalize immediately */
-		ieee80211_csa_finalize(&sdata->deflink);
+		ieee80211_csa_finalize(link_data);
 	}
 
 out:
@@ -4207,15 +4224,12 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
 
 	chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
 	if (chanctx_conf) {
-		*chandef = link->conf->chandef;
+		*chandef = link->conf->chanreq.oper;
 		ret = 0;
 	} else if (local->open_count > 0 &&
 		   local->open_count == local->monitors &&
 		   sdata->vif.type == NL80211_IFTYPE_MONITOR) {
-		if (local->use_chanctx)
-			*chandef = local->monitor_chandef;
-		else
-			*chandef = local->_oper_chandef;
+		*chandef = local->monitor_chanreq.oper;
 		ret = 0;
 	}
 out:
@@ -4263,12 +4277,13 @@ static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_link_data *link;
+	struct ieee80211_chan_req chanreq = { .oper = *chandef };
 	int ret;
 	u64 changed = 0;
 
 	link = sdata_dereference(sdata->link[link_id], sdata);
 
-	ret = ieee80211_link_change_bandwidth(link, chandef, &changed);
+	ret = ieee80211_link_change_chanreq(link, &chanreq, &changed);
 	if (ret == 0)
 		ieee80211_link_info_change_notify(sdata, link, changed);
 
@@ -4750,7 +4765,7 @@ EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
 
 void
 ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
-				       u64 color_bitmap, gfp_t gfp)
+				      u64 color_bitmap)
 {
 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
 	struct ieee80211_link_data *link = &sdata->deflink;