12 static int ieee80211_chanctx_num_assigned(struct ieee80211_local *local,  in ieee80211_chanctx_num_assigned()  argument
18 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chanctx_num_assigned()
26 static int ieee80211_chanctx_num_reserved(struct ieee80211_local *local,  in ieee80211_chanctx_num_reserved()  argument
32 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chanctx_num_reserved()
40 int ieee80211_chanctx_refcount(struct ieee80211_local *local,  in ieee80211_chanctx_refcount()  argument
43 	return ieee80211_chanctx_num_assigned(local, ctx) +  in ieee80211_chanctx_refcount()
44 	       ieee80211_chanctx_num_reserved(local, ctx);  in ieee80211_chanctx_refcount()
47 static int ieee80211_num_chanctx(struct ieee80211_local *local)  in ieee80211_num_chanctx()  argument
52 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_num_chanctx()
54 	list_for_each_entry(ctx, &local->chanctx_list, list)  in ieee80211_num_chanctx()
60 static bool ieee80211_can_create_new_chanctx(struct ieee80211_local *local)  in ieee80211_can_create_new_chanctx()  argument
62 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_can_create_new_chanctx()
63 	return ieee80211_num_chanctx(local) < ieee80211_max_num_channels(local);  in ieee80211_can_create_new_chanctx()
69 	struct ieee80211_local *local __maybe_unused = sdata->local;  in ieee80211_vif_get_chanctx()
73 					 lockdep_is_held(&local->chanctx_mtx));  in ieee80211_vif_get_chanctx()
81 ieee80211_chanctx_reserved_chandef(struct ieee80211_local *local,  in ieee80211_chanctx_reserved_chandef()  argument
87 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chanctx_reserved_chandef()
104 ieee80211_chanctx_non_reserved_chandef(struct ieee80211_local *local,  in ieee80211_chanctx_non_reserved_chandef()  argument
110 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chanctx_non_reserved_chandef()
130 ieee80211_chanctx_combined_chandef(struct ieee80211_local *local,  in ieee80211_chanctx_combined_chandef()  argument
134 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chanctx_combined_chandef()
136 	compat = ieee80211_chanctx_reserved_chandef(local, ctx, compat);  in ieee80211_chanctx_combined_chandef()
140 	compat = ieee80211_chanctx_non_reserved_chandef(local, ctx, compat);  in ieee80211_chanctx_combined_chandef()
148 ieee80211_chanctx_can_reserve_chandef(struct ieee80211_local *local,  in ieee80211_chanctx_can_reserve_chandef()  argument
152 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chanctx_can_reserve_chandef()
154 	if (ieee80211_chanctx_combined_chandef(local, ctx, def))  in ieee80211_chanctx_can_reserve_chandef()
158 	    ieee80211_chanctx_reserved_chandef(local, ctx, def))  in ieee80211_chanctx_can_reserve_chandef()
165 ieee80211_find_reservation_chanctx(struct ieee80211_local *local,  in ieee80211_find_reservation_chanctx()  argument
171 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_find_reservation_chanctx()
176 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_find_reservation_chanctx()
183 		if (!ieee80211_chanctx_can_reserve_chandef(local, ctx,  in ieee80211_find_reservation_chanctx()
229 	list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {  in ieee80211_get_max_required_bw()
245 ieee80211_get_chanctx_max_required_bw(struct ieee80211_local *local,  in ieee80211_get_chanctx_max_required_bw()  argument
252 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_get_chanctx_max_required_bw()
287 	sdata = rcu_dereference(local->monitor_sdata);  in ieee80211_get_chanctx_max_required_bw()
301 void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,  in ieee80211_recalc_chanctx_min_def()  argument
307 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_recalc_chanctx_min_def()
317 	max_bw = ieee80211_get_chanctx_max_required_bw(local, &ctx->conf);  in ieee80211_recalc_chanctx_min_def()
331 	drv_change_chanctx(local, ctx, IEEE80211_CHANCTX_CHANGE_MIN_WIDTH);  in ieee80211_recalc_chanctx_min_def()
334 static void ieee80211_change_chanctx(struct ieee80211_local *local,  in ieee80211_change_chanctx()  argument
344 	drv_change_chanctx(local, ctx, IEEE80211_CHANCTX_CHANGE_WIDTH);  in ieee80211_change_chanctx()
345 	ieee80211_recalc_chanctx_min_def(local, ctx);  in ieee80211_change_chanctx()
347 	if (!local->use_chanctx) {  in ieee80211_change_chanctx()
348 		local->_oper_chandef = *chandef;  in ieee80211_change_chanctx()
349 		ieee80211_hw_config(local, 0);  in ieee80211_change_chanctx()
354 ieee80211_find_chanctx(struct ieee80211_local *local,  in ieee80211_find_chanctx()  argument
360 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_find_chanctx()
365 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_find_chanctx()
378 		compat = ieee80211_chanctx_reserved_chandef(local, ctx,  in ieee80211_find_chanctx()
383 		ieee80211_change_chanctx(local, ctx, compat);  in ieee80211_find_chanctx()
391 bool ieee80211_is_radar_required(struct ieee80211_local *local)  in ieee80211_is_radar_required()  argument
395 	lockdep_assert_held(&local->mtx);  in ieee80211_is_radar_required()
398 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_is_radar_required()
410 ieee80211_chanctx_radar_required(struct ieee80211_local *local,  in ieee80211_chanctx_radar_required()  argument
417 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chanctx_radar_required()
418 	lockdep_assert_held(&local->mtx);  in ieee80211_chanctx_radar_required()
421 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_chanctx_radar_required()
438 ieee80211_alloc_chanctx(struct ieee80211_local *local,  in ieee80211_alloc_chanctx()  argument
444 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_alloc_chanctx()
446 	ctx = kzalloc(sizeof(*ctx) + local->hw.chanctx_data_size, GFP_KERNEL);  in ieee80211_alloc_chanctx()
457 	ieee80211_recalc_chanctx_min_def(local, ctx);  in ieee80211_alloc_chanctx()
462 static int ieee80211_add_chanctx(struct ieee80211_local *local,  in ieee80211_add_chanctx()  argument
468 	lockdep_assert_held(&local->mtx);  in ieee80211_add_chanctx()
469 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_add_chanctx()
471 	if (!local->use_chanctx)  in ieee80211_add_chanctx()
472 		local->hw.conf.radar_enabled = ctx->conf.radar_enabled;  in ieee80211_add_chanctx()
475 	changed = ieee80211_idle_off(local);  in ieee80211_add_chanctx()
477 		ieee80211_hw_config(local, changed);  in ieee80211_add_chanctx()
479 	if (!local->use_chanctx) {  in ieee80211_add_chanctx()
480 		local->_oper_chandef = ctx->conf.def;  in ieee80211_add_chanctx()
481 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);  in ieee80211_add_chanctx()
483 		err = drv_add_chanctx(local, ctx);  in ieee80211_add_chanctx()
485 			ieee80211_recalc_idle(local);  in ieee80211_add_chanctx()
494 ieee80211_new_chanctx(struct ieee80211_local *local,  in ieee80211_new_chanctx()  argument
501 	lockdep_assert_held(&local->mtx);  in ieee80211_new_chanctx()
502 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_new_chanctx()
504 	ctx = ieee80211_alloc_chanctx(local, chandef, mode);  in ieee80211_new_chanctx()
508 	err = ieee80211_add_chanctx(local, ctx);  in ieee80211_new_chanctx()
514 	list_add_rcu(&ctx->list, &local->chanctx_list);  in ieee80211_new_chanctx()
518 static void ieee80211_del_chanctx(struct ieee80211_local *local,  in ieee80211_del_chanctx()  argument
521 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_del_chanctx()
523 	if (!local->use_chanctx) {  in ieee80211_del_chanctx()
524 		struct cfg80211_chan_def *chandef = &local->_oper_chandef;  in ieee80211_del_chanctx()
532 		WARN_ON(local->hw.conf.radar_enabled &&  in ieee80211_del_chanctx()
533 			!list_empty(&local->chanctx_list));  in ieee80211_del_chanctx()
535 		local->hw.conf.radar_enabled = false;  in ieee80211_del_chanctx()
537 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);  in ieee80211_del_chanctx()
539 		drv_remove_chanctx(local, ctx);  in ieee80211_del_chanctx()
542 	ieee80211_recalc_idle(local);  in ieee80211_del_chanctx()
545 static void ieee80211_free_chanctx(struct ieee80211_local *local,  in ieee80211_free_chanctx()  argument
548 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_free_chanctx()
550 	WARN_ON_ONCE(ieee80211_chanctx_refcount(local, ctx) != 0);  in ieee80211_free_chanctx()
553 	ieee80211_del_chanctx(local, ctx);  in ieee80211_free_chanctx()
557 static void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local,  in ieee80211_recalc_chanctx_chantype()  argument
564 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_recalc_chanctx_chantype()
567 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_recalc_chanctx_chantype()
589 	ieee80211_change_chanctx(local, ctx, compat);  in ieee80211_recalc_chanctx_chantype()
592 static void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local,  in ieee80211_recalc_radar_chanctx()  argument
597 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_recalc_radar_chanctx()
599 	lockdep_assert_held(&local->mtx);  in ieee80211_recalc_radar_chanctx()
601 	radar_enabled = ieee80211_chanctx_radar_required(local, chanctx);  in ieee80211_recalc_radar_chanctx()
608 	if (!local->use_chanctx) {  in ieee80211_recalc_radar_chanctx()
609 		local->hw.conf.radar_enabled = chanctx->conf.radar_enabled;  in ieee80211_recalc_radar_chanctx()
610 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);  in ieee80211_recalc_radar_chanctx()
613 	drv_change_chanctx(local, chanctx, IEEE80211_CHANCTX_CHANGE_RADAR);  in ieee80211_recalc_radar_chanctx()
619 	struct ieee80211_local *local = sdata->local;  in ieee80211_assign_vif_chanctx()  local
625 					 lockdep_is_held(&local->chanctx_mtx));  in ieee80211_assign_vif_chanctx()
630 		drv_unassign_vif_chanctx(local, sdata, curr_ctx);  in ieee80211_assign_vif_chanctx()
636 		ret = drv_assign_vif_chanctx(local, sdata, new_ctx);  in ieee80211_assign_vif_chanctx()
650 	if (curr_ctx && ieee80211_chanctx_num_assigned(local, curr_ctx) > 0) {  in ieee80211_assign_vif_chanctx()
651 		ieee80211_recalc_chanctx_chantype(local, curr_ctx);  in ieee80211_assign_vif_chanctx()
652 		ieee80211_recalc_smps_chanctx(local, curr_ctx);  in ieee80211_assign_vif_chanctx()
653 		ieee80211_recalc_radar_chanctx(local, curr_ctx);  in ieee80211_assign_vif_chanctx()
654 		ieee80211_recalc_chanctx_min_def(local, curr_ctx);  in ieee80211_assign_vif_chanctx()
657 	if (new_ctx && ieee80211_chanctx_num_assigned(local, new_ctx) > 0) {  in ieee80211_assign_vif_chanctx()
659 		ieee80211_recalc_chanctx_min_def(local, new_ctx);  in ieee80211_assign_vif_chanctx()
670 void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,  in ieee80211_recalc_smps_chanctx()  argument
676 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_recalc_smps_chanctx()
682 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_recalc_smps_chanctx()
735 	sdata = rcu_dereference(local->monitor_sdata);  in ieee80211_recalc_smps_chanctx()
738 		rx_chains_dynamic = rx_chains_static = local->rx_chains;  in ieee80211_recalc_smps_chanctx()
742 	if (!local->use_chanctx) {  in ieee80211_recalc_smps_chanctx()
744 			local->smps_mode = IEEE80211_SMPS_OFF;  in ieee80211_recalc_smps_chanctx()
746 			local->smps_mode = IEEE80211_SMPS_DYNAMIC;  in ieee80211_recalc_smps_chanctx()
748 			local->smps_mode = IEEE80211_SMPS_STATIC;  in ieee80211_recalc_smps_chanctx()
749 		ieee80211_hw_config(local, 0);  in ieee80211_recalc_smps_chanctx()
758 	drv_change_chanctx(local, chanctx, IEEE80211_CHANCTX_CHANGE_RX_CHAINS);  in ieee80211_recalc_smps_chanctx()
765 	struct ieee80211_local *local __maybe_unused = sdata->local;  in __ieee80211_vif_copy_chanctx_to_vlans()
772 	lockdep_assert_held(&local->mtx);  in __ieee80211_vif_copy_chanctx_to_vlans()
781 					 lockdep_is_held(&local->chanctx_mtx));  in __ieee80211_vif_copy_chanctx_to_vlans()
794 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_copy_chanctx_to_vlans()  local
796 	mutex_lock(&local->chanctx_mtx);  in ieee80211_vif_copy_chanctx_to_vlans()
800 	mutex_unlock(&local->chanctx_mtx);  in ieee80211_vif_copy_chanctx_to_vlans()
807 	lockdep_assert_held(&sdata->local->chanctx_mtx);  in ieee80211_vif_unreserve_chanctx()
815 	if (ieee80211_chanctx_refcount(sdata->local, ctx) == 0) {  in ieee80211_vif_unreserve_chanctx()
831 			ieee80211_free_chanctx(sdata->local, ctx);  in ieee80211_vif_unreserve_chanctx()
843 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_reserve_chanctx()  local
846 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_vif_reserve_chanctx()
849 	if (curr_ctx && local->use_chanctx && !local->ops->switch_vif_chanctx)  in ieee80211_vif_reserve_chanctx()
852 	new_ctx = ieee80211_find_reservation_chanctx(local, chandef, mode);  in ieee80211_vif_reserve_chanctx()
854 		if (ieee80211_can_create_new_chanctx(local)) {  in ieee80211_vif_reserve_chanctx()
855 			new_ctx = ieee80211_new_chanctx(local, chandef, mode);  in ieee80211_vif_reserve_chanctx()
885 				list_for_each_entry(ctx, &local->chanctx_list,  in ieee80211_vif_reserve_chanctx()
909 			new_ctx = ieee80211_alloc_chanctx(local, chandef, mode);  in ieee80211_vif_reserve_chanctx()
921 			list_add_rcu(&new_ctx->list, &local->chanctx_list);  in ieee80211_vif_reserve_chanctx()
942 		ieee80211_queue_work(&sdata->local->hw,  in ieee80211_vif_chanctx_reservation_complete()
946 		ieee80211_queue_work(&sdata->local->hw,  in ieee80211_vif_chanctx_reservation_complete()
980 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_reserved_reassign()  local
987 	lockdep_assert_held(&local->mtx);  in ieee80211_vif_use_reserved_reassign()
988 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_vif_use_reserved_reassign()
1006 	chandef = ieee80211_chanctx_non_reserved_chandef(local, new_ctx,  in ieee80211_vif_use_reserved_reassign()
1018 	err = drv_switch_vif_chanctx(local, vif_chsw, 1,  in ieee80211_vif_use_reserved_reassign()
1021 		if (ieee80211_chanctx_refcount(local, new_ctx) == 0)  in ieee80211_vif_use_reserved_reassign()
1022 			ieee80211_free_chanctx(local, new_ctx);  in ieee80211_vif_use_reserved_reassign()
1033 	if (ieee80211_chanctx_refcount(local, old_ctx) == 0)  in ieee80211_vif_use_reserved_reassign()
1034 		ieee80211_free_chanctx(local, old_ctx);  in ieee80211_vif_use_reserved_reassign()
1041 	ieee80211_recalc_smps_chanctx(local, new_ctx);  in ieee80211_vif_use_reserved_reassign()
1042 	ieee80211_recalc_radar_chanctx(local, new_ctx);  in ieee80211_vif_use_reserved_reassign()
1043 	ieee80211_recalc_chanctx_min_def(local, new_ctx);  in ieee80211_vif_use_reserved_reassign()
1056 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_reserved_assign()  local
1077 	chandef = ieee80211_chanctx_non_reserved_chandef(local, new_ctx,  in ieee80211_vif_use_reserved_assign()
1087 		if (ieee80211_chanctx_refcount(local, new_ctx) == 0)  in ieee80211_vif_use_reserved_assign()
1088 			ieee80211_free_chanctx(local, new_ctx);  in ieee80211_vif_use_reserved_assign()
1103 	lockdep_assert_held(&sdata->local->chanctx_mtx);  in ieee80211_vif_has_in_place_reservation()
1123 static int ieee80211_chsw_switch_hwconf(struct ieee80211_local *local,  in ieee80211_chsw_switch_hwconf()  argument
1128 	lockdep_assert_held(&local->mtx);  in ieee80211_chsw_switch_hwconf()
1129 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chsw_switch_hwconf()
1131 	chandef = ieee80211_chanctx_reserved_chandef(local, new_ctx, NULL);  in ieee80211_chsw_switch_hwconf()
1135 	local->hw.conf.radar_enabled = new_ctx->conf.radar_enabled;  in ieee80211_chsw_switch_hwconf()
1136 	local->_oper_chandef = *chandef;  in ieee80211_chsw_switch_hwconf()
1137 	ieee80211_hw_config(local, 0);  in ieee80211_chsw_switch_hwconf()
1142 static int ieee80211_chsw_switch_vifs(struct ieee80211_local *local,  in ieee80211_chsw_switch_vifs()  argument
1150 	lockdep_assert_held(&local->mtx);  in ieee80211_chsw_switch_vifs()
1151 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chsw_switch_vifs()
1158 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_chsw_switch_vifs()
1182 	err = drv_switch_vif_chanctx(local, vif_chsw, n_vifs,  in ieee80211_chsw_switch_vifs()
1190 static int ieee80211_chsw_switch_ctxs(struct ieee80211_local *local)  in ieee80211_chsw_switch_ctxs()  argument
1195 	lockdep_assert_held(&local->mtx);  in ieee80211_chsw_switch_ctxs()
1196 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chsw_switch_ctxs()
1198 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_chsw_switch_ctxs()
1205 		ieee80211_del_chanctx(local, ctx->replace_ctx);  in ieee80211_chsw_switch_ctxs()
1206 		err = ieee80211_add_chanctx(local, ctx);  in ieee80211_chsw_switch_ctxs()
1214 	WARN_ON(ieee80211_add_chanctx(local, ctx));  in ieee80211_chsw_switch_ctxs()
1215 	list_for_each_entry_continue_reverse(ctx, &local->chanctx_list, list) {  in ieee80211_chsw_switch_ctxs()
1222 		ieee80211_del_chanctx(local, ctx);  in ieee80211_chsw_switch_ctxs()
1223 		WARN_ON(ieee80211_add_chanctx(local, ctx->replace_ctx));  in ieee80211_chsw_switch_ctxs()
1229 static int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)  in ieee80211_vif_use_reserved_switch()  argument
1237 	lockdep_assert_held(&local->mtx);  in ieee80211_vif_use_reserved_switch()
1238 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_vif_use_reserved_switch()
1256 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_vif_use_reserved_switch()
1265 		if (!local->use_chanctx)  in ieee80211_vif_use_reserved_switch()
1286 				wiphy_info(local->hw.wiphy,  in ieee80211_vif_use_reserved_switch()
1322 	    WARN_ON(n_ctx > 1 && !local->use_chanctx) ||  in ieee80211_vif_use_reserved_switch()
1323 	    WARN_ON(!new_ctx && !local->use_chanctx)) {  in ieee80211_vif_use_reserved_switch()
1333 	if (local->use_chanctx) {  in ieee80211_vif_use_reserved_switch()
1335 			err = ieee80211_chsw_switch_vifs(local, n_vifs_switch);  in ieee80211_vif_use_reserved_switch()
1341 			err = ieee80211_chsw_switch_ctxs(local);  in ieee80211_vif_use_reserved_switch()
1346 		err = ieee80211_chsw_switch_hwconf(local, new_ctx);  in ieee80211_vif_use_reserved_switch()
1357 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_vif_use_reserved_switch()
1393 		ieee80211_recalc_chanctx_chantype(local, ctx);  in ieee80211_vif_use_reserved_switch()
1394 		ieee80211_recalc_smps_chanctx(local, ctx);  in ieee80211_vif_use_reserved_switch()
1395 		ieee80211_recalc_radar_chanctx(local, ctx);  in ieee80211_vif_use_reserved_switch()
1396 		ieee80211_recalc_chanctx_min_def(local, ctx);  in ieee80211_vif_use_reserved_switch()
1441 				cfg80211_stop_iface(local->hw.wiphy,  in ieee80211_vif_use_reserved_switch()
1452 	list_for_each_entry_safe(ctx, ctx_tmp, &local->chanctx_list, list) {  in ieee80211_vif_use_reserved_switch()
1467 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_vif_use_reserved_switch()
1483 	struct ieee80211_local *local = sdata->local;  in __ieee80211_vif_release_channel()  local
1488 	lockdep_assert_held(&local->chanctx_mtx);  in __ieee80211_vif_release_channel()
1491 					 lockdep_is_held(&local->chanctx_mtx));  in __ieee80211_vif_release_channel()
1500 		    ieee80211_chanctx_num_reserved(local,  in __ieee80211_vif_release_channel()
1508 	if (ieee80211_chanctx_refcount(local, ctx) == 0)  in __ieee80211_vif_release_channel()
1509 		ieee80211_free_chanctx(local, ctx);  in __ieee80211_vif_release_channel()
1515 		ieee80211_vif_use_reserved_switch(local);  in __ieee80211_vif_release_channel()
1522 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_channel()  local
1527 	lockdep_assert_held(&local->mtx);  in ieee80211_vif_use_channel()
1531 	mutex_lock(&local->chanctx_mtx);  in ieee80211_vif_use_channel()
1533 	ret = cfg80211_chandef_dfs_required(local->hw.wiphy,  in ieee80211_vif_use_channel()
1550 	ctx = ieee80211_find_chanctx(local, chandef, mode);  in ieee80211_vif_use_channel()
1552 		ctx = ieee80211_new_chanctx(local, chandef, mode);  in ieee80211_vif_use_channel()
1563 		if (ieee80211_chanctx_refcount(local, ctx) == 0)  in ieee80211_vif_use_channel()
1564 			ieee80211_free_chanctx(local, ctx);  in ieee80211_vif_use_channel()
1568 	ieee80211_recalc_smps_chanctx(local, ctx);  in ieee80211_vif_use_channel()
1569 	ieee80211_recalc_radar_chanctx(local, ctx);  in ieee80211_vif_use_channel()
1574 	mutex_unlock(&local->chanctx_mtx);  in ieee80211_vif_use_channel()
1580 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_reserved_context()  local
1585 	lockdep_assert_held(&local->mtx);  in ieee80211_vif_use_reserved_context()
1586 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_vif_use_reserved_context()
1627 		err = ieee80211_vif_use_reserved_switch(local);  in ieee80211_vif_use_reserved_context()
1633 			wiphy_info(local->hw.wiphy,  in ieee80211_vif_use_reserved_context()
1646 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_change_bandwidth()  local
1652 	if (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef,  in ieee80211_vif_change_bandwidth()
1656 	mutex_lock(&local->chanctx_mtx);  in ieee80211_vif_change_bandwidth()
1669 					 lockdep_is_held(&local->chanctx_mtx));  in ieee80211_vif_change_bandwidth()
1685 		if (!ieee80211_chanctx_reserved_chandef(local, ctx, compat)) {  in ieee80211_vif_change_bandwidth()
1705 	ieee80211_recalc_chanctx_chantype(local, ctx);  in ieee80211_vif_change_bandwidth()
1710 	mutex_unlock(&local->chanctx_mtx);  in ieee80211_vif_change_bandwidth()
1718 	lockdep_assert_held(&sdata->local->mtx);  in ieee80211_vif_release_channel()
1720 	mutex_lock(&sdata->local->chanctx_mtx);  in ieee80211_vif_release_channel()
1722 	mutex_unlock(&sdata->local->chanctx_mtx);  in ieee80211_vif_release_channel()
1727 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_vlan_copy_chanctx()  local
1736 	mutex_lock(&local->chanctx_mtx);  in ieee80211_vif_vlan_copy_chanctx()
1739 					 lockdep_is_held(&local->chanctx_mtx));  in ieee80211_vif_vlan_copy_chanctx()
1741 	mutex_unlock(&local->chanctx_mtx);  in ieee80211_vif_vlan_copy_chanctx()
1751 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_iter_chan_contexts_atomic()  local
1755 	list_for_each_entry_rcu(ctx, &local->chanctx_list, list)  in ieee80211_iter_chan_contexts_atomic()