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()
295 	sdata = rcu_dereference(local->monitor_sdata);  in ieee80211_get_chanctx_max_required_bw()
309 void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,  in ieee80211_recalc_chanctx_min_def()  argument
315 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_recalc_chanctx_min_def()
325 	max_bw = ieee80211_get_chanctx_max_required_bw(local, &ctx->conf);  in ieee80211_recalc_chanctx_min_def()
339 	drv_change_chanctx(local, ctx, IEEE80211_CHANCTX_CHANGE_MIN_WIDTH);  in ieee80211_recalc_chanctx_min_def()
342 static void ieee80211_change_chanctx(struct ieee80211_local *local,  in ieee80211_change_chanctx()  argument
352 	drv_change_chanctx(local, ctx, IEEE80211_CHANCTX_CHANGE_WIDTH);  in ieee80211_change_chanctx()
353 	ieee80211_recalc_chanctx_min_def(local, ctx);  in ieee80211_change_chanctx()
355 	if (!local->use_chanctx) {  in ieee80211_change_chanctx()
356 		local->_oper_chandef = *chandef;  in ieee80211_change_chanctx()
357 		ieee80211_hw_config(local, 0);  in ieee80211_change_chanctx()
362 ieee80211_find_chanctx(struct ieee80211_local *local,  in ieee80211_find_chanctx()  argument
368 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_find_chanctx()
373 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_find_chanctx()
386 		compat = ieee80211_chanctx_reserved_chandef(local, ctx,  in ieee80211_find_chanctx()
391 		ieee80211_change_chanctx(local, ctx, compat);  in ieee80211_find_chanctx()
399 bool ieee80211_is_radar_required(struct ieee80211_local *local)  in ieee80211_is_radar_required()  argument
403 	lockdep_assert_held(&local->mtx);  in ieee80211_is_radar_required()
406 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_is_radar_required()
418 ieee80211_chanctx_radar_required(struct ieee80211_local *local,  in ieee80211_chanctx_radar_required()  argument
425 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chanctx_radar_required()
426 	lockdep_assert_held(&local->mtx);  in ieee80211_chanctx_radar_required()
429 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_chanctx_radar_required()
446 ieee80211_alloc_chanctx(struct ieee80211_local *local,  in ieee80211_alloc_chanctx()  argument
452 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_alloc_chanctx()
454 	ctx = kzalloc(sizeof(*ctx) + local->hw.chanctx_data_size, GFP_KERNEL);  in ieee80211_alloc_chanctx()
465 	ieee80211_recalc_chanctx_min_def(local, ctx);  in ieee80211_alloc_chanctx()
470 static int ieee80211_add_chanctx(struct ieee80211_local *local,  in ieee80211_add_chanctx()  argument
476 	lockdep_assert_held(&local->mtx);  in ieee80211_add_chanctx()
477 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_add_chanctx()
479 	if (!local->use_chanctx)  in ieee80211_add_chanctx()
480 		local->hw.conf.radar_enabled = ctx->conf.radar_enabled;  in ieee80211_add_chanctx()
483 	changed = ieee80211_idle_off(local);  in ieee80211_add_chanctx()
485 		ieee80211_hw_config(local, changed);  in ieee80211_add_chanctx()
487 	if (!local->use_chanctx) {  in ieee80211_add_chanctx()
488 		local->_oper_chandef = ctx->conf.def;  in ieee80211_add_chanctx()
489 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);  in ieee80211_add_chanctx()
491 		err = drv_add_chanctx(local, ctx);  in ieee80211_add_chanctx()
493 			ieee80211_recalc_idle(local);  in ieee80211_add_chanctx()
502 ieee80211_new_chanctx(struct ieee80211_local *local,  in ieee80211_new_chanctx()  argument
509 	lockdep_assert_held(&local->mtx);  in ieee80211_new_chanctx()
510 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_new_chanctx()
512 	ctx = ieee80211_alloc_chanctx(local, chandef, mode);  in ieee80211_new_chanctx()
516 	err = ieee80211_add_chanctx(local, ctx);  in ieee80211_new_chanctx()
522 	list_add_rcu(&ctx->list, &local->chanctx_list);  in ieee80211_new_chanctx()
526 static void ieee80211_del_chanctx(struct ieee80211_local *local,  in ieee80211_del_chanctx()  argument
529 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_del_chanctx()
531 	if (!local->use_chanctx) {  in ieee80211_del_chanctx()
532 		struct cfg80211_chan_def *chandef = &local->_oper_chandef;  in ieee80211_del_chanctx()
540 		WARN_ON(local->hw.conf.radar_enabled &&  in ieee80211_del_chanctx()
541 			!list_empty(&local->chanctx_list));  in ieee80211_del_chanctx()
543 		local->hw.conf.radar_enabled = false;  in ieee80211_del_chanctx()
545 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);  in ieee80211_del_chanctx()
547 		drv_remove_chanctx(local, ctx);  in ieee80211_del_chanctx()
550 	ieee80211_recalc_idle(local);  in ieee80211_del_chanctx()
553 static void ieee80211_free_chanctx(struct ieee80211_local *local,  in ieee80211_free_chanctx()  argument
556 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_free_chanctx()
558 	WARN_ON_ONCE(ieee80211_chanctx_refcount(local, ctx) != 0);  in ieee80211_free_chanctx()
561 	ieee80211_del_chanctx(local, ctx);  in ieee80211_free_chanctx()
565 void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local,  in ieee80211_recalc_chanctx_chantype()  argument
573 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_recalc_chanctx_chantype()
576 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_recalc_chanctx_chantype()
595 	list_for_each_entry_rcu(sta, &local->sta_list, list) {  in ieee80211_recalc_chanctx_chantype()
612 	ieee80211_change_chanctx(local, ctx, compat);  in ieee80211_recalc_chanctx_chantype()
615 static void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local,  in ieee80211_recalc_radar_chanctx()  argument
620 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_recalc_radar_chanctx()
622 	lockdep_assert_held(&local->mtx);  in ieee80211_recalc_radar_chanctx()
624 	radar_enabled = ieee80211_chanctx_radar_required(local, chanctx);  in ieee80211_recalc_radar_chanctx()
631 	if (!local->use_chanctx) {  in ieee80211_recalc_radar_chanctx()
632 		local->hw.conf.radar_enabled = chanctx->conf.radar_enabled;  in ieee80211_recalc_radar_chanctx()
633 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);  in ieee80211_recalc_radar_chanctx()
636 	drv_change_chanctx(local, chanctx, IEEE80211_CHANCTX_CHANGE_RADAR);  in ieee80211_recalc_radar_chanctx()
642 	struct ieee80211_local *local = sdata->local;  in ieee80211_assign_vif_chanctx()  local
648 					 lockdep_is_held(&local->chanctx_mtx));  in ieee80211_assign_vif_chanctx()
653 		drv_unassign_vif_chanctx(local, sdata, curr_ctx);  in ieee80211_assign_vif_chanctx()
659 		ret = drv_assign_vif_chanctx(local, sdata, new_ctx);  in ieee80211_assign_vif_chanctx()
673 	if (curr_ctx && ieee80211_chanctx_num_assigned(local, curr_ctx) > 0) {  in ieee80211_assign_vif_chanctx()
674 		ieee80211_recalc_chanctx_chantype(local, curr_ctx);  in ieee80211_assign_vif_chanctx()
675 		ieee80211_recalc_smps_chanctx(local, curr_ctx);  in ieee80211_assign_vif_chanctx()
676 		ieee80211_recalc_radar_chanctx(local, curr_ctx);  in ieee80211_assign_vif_chanctx()
677 		ieee80211_recalc_chanctx_min_def(local, curr_ctx);  in ieee80211_assign_vif_chanctx()
680 	if (new_ctx && ieee80211_chanctx_num_assigned(local, new_ctx) > 0) {  in ieee80211_assign_vif_chanctx()
682 		ieee80211_recalc_chanctx_min_def(local, new_ctx);  in ieee80211_assign_vif_chanctx()
695 void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,  in ieee80211_recalc_smps_chanctx()  argument
701 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_recalc_smps_chanctx()
707 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_recalc_smps_chanctx()
760 	sdata = rcu_dereference(local->monitor_sdata);  in ieee80211_recalc_smps_chanctx()
763 		rx_chains_dynamic = rx_chains_static = local->rx_chains;  in ieee80211_recalc_smps_chanctx()
767 	if (!local->use_chanctx) {  in ieee80211_recalc_smps_chanctx()
769 			local->smps_mode = IEEE80211_SMPS_OFF;  in ieee80211_recalc_smps_chanctx()
771 			local->smps_mode = IEEE80211_SMPS_DYNAMIC;  in ieee80211_recalc_smps_chanctx()
773 			local->smps_mode = IEEE80211_SMPS_STATIC;  in ieee80211_recalc_smps_chanctx()
774 		ieee80211_hw_config(local, 0);  in ieee80211_recalc_smps_chanctx()
783 	drv_change_chanctx(local, chanctx, IEEE80211_CHANCTX_CHANGE_RX_CHAINS);  in ieee80211_recalc_smps_chanctx()
790 	struct ieee80211_local *local __maybe_unused = sdata->local;  in __ieee80211_vif_copy_chanctx_to_vlans()
797 	lockdep_assert_held(&local->mtx);  in __ieee80211_vif_copy_chanctx_to_vlans()
806 					 lockdep_is_held(&local->chanctx_mtx));  in __ieee80211_vif_copy_chanctx_to_vlans()
819 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_copy_chanctx_to_vlans()  local
821 	mutex_lock(&local->chanctx_mtx);  in ieee80211_vif_copy_chanctx_to_vlans()
825 	mutex_unlock(&local->chanctx_mtx);  in ieee80211_vif_copy_chanctx_to_vlans()
832 	lockdep_assert_held(&sdata->local->chanctx_mtx);  in ieee80211_vif_unreserve_chanctx()
840 	if (ieee80211_chanctx_refcount(sdata->local, ctx) == 0) {  in ieee80211_vif_unreserve_chanctx()
856 			ieee80211_free_chanctx(sdata->local, ctx);  in ieee80211_vif_unreserve_chanctx()
868 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_reserve_chanctx()  local
871 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_vif_reserve_chanctx()
874 	if (curr_ctx && local->use_chanctx && !local->ops->switch_vif_chanctx)  in ieee80211_vif_reserve_chanctx()
877 	new_ctx = ieee80211_find_reservation_chanctx(local, chandef, mode);  in ieee80211_vif_reserve_chanctx()
879 		if (ieee80211_can_create_new_chanctx(local)) {  in ieee80211_vif_reserve_chanctx()
880 			new_ctx = ieee80211_new_chanctx(local, chandef, mode);  in ieee80211_vif_reserve_chanctx()
910 				list_for_each_entry(ctx, &local->chanctx_list,  in ieee80211_vif_reserve_chanctx()
934 			new_ctx = ieee80211_alloc_chanctx(local, chandef, mode);  in ieee80211_vif_reserve_chanctx()
946 			list_add_rcu(&new_ctx->list, &local->chanctx_list);  in ieee80211_vif_reserve_chanctx()
967 		ieee80211_queue_work(&sdata->local->hw,  in ieee80211_vif_chanctx_reservation_complete()
971 		ieee80211_queue_work(&sdata->local->hw,  in ieee80211_vif_chanctx_reservation_complete()
1005 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_reserved_reassign()  local
1012 	lockdep_assert_held(&local->mtx);  in ieee80211_vif_use_reserved_reassign()
1013 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_vif_use_reserved_reassign()
1031 	chandef = ieee80211_chanctx_non_reserved_chandef(local, new_ctx,  in ieee80211_vif_use_reserved_reassign()
1036 	ieee80211_change_chanctx(local, new_ctx, chandef);  in ieee80211_vif_use_reserved_reassign()
1045 	err = drv_switch_vif_chanctx(local, vif_chsw, 1,  in ieee80211_vif_use_reserved_reassign()
1048 		if (ieee80211_chanctx_refcount(local, new_ctx) == 0)  in ieee80211_vif_use_reserved_reassign()
1049 			ieee80211_free_chanctx(local, new_ctx);  in ieee80211_vif_use_reserved_reassign()
1062 	if (ieee80211_chanctx_refcount(local, old_ctx) == 0)  in ieee80211_vif_use_reserved_reassign()
1063 		ieee80211_free_chanctx(local, old_ctx);  in ieee80211_vif_use_reserved_reassign()
1070 	ieee80211_recalc_smps_chanctx(local, new_ctx);  in ieee80211_vif_use_reserved_reassign()
1071 	ieee80211_recalc_radar_chanctx(local, new_ctx);  in ieee80211_vif_use_reserved_reassign()
1072 	ieee80211_recalc_chanctx_min_def(local, new_ctx);  in ieee80211_vif_use_reserved_reassign()
1085 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_reserved_assign()  local
1106 	chandef = ieee80211_chanctx_non_reserved_chandef(local, new_ctx,  in ieee80211_vif_use_reserved_assign()
1111 	ieee80211_change_chanctx(local, new_ctx, chandef);  in ieee80211_vif_use_reserved_assign()
1118 		if (ieee80211_chanctx_refcount(local, new_ctx) == 0)  in ieee80211_vif_use_reserved_assign()
1119 			ieee80211_free_chanctx(local, new_ctx);  in ieee80211_vif_use_reserved_assign()
1134 	lockdep_assert_held(&sdata->local->chanctx_mtx);  in ieee80211_vif_has_in_place_reservation()
1154 static int ieee80211_chsw_switch_hwconf(struct ieee80211_local *local,  in ieee80211_chsw_switch_hwconf()  argument
1159 	lockdep_assert_held(&local->mtx);  in ieee80211_chsw_switch_hwconf()
1160 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chsw_switch_hwconf()
1162 	chandef = ieee80211_chanctx_reserved_chandef(local, new_ctx, NULL);  in ieee80211_chsw_switch_hwconf()
1166 	local->hw.conf.radar_enabled = new_ctx->conf.radar_enabled;  in ieee80211_chsw_switch_hwconf()
1167 	local->_oper_chandef = *chandef;  in ieee80211_chsw_switch_hwconf()
1168 	ieee80211_hw_config(local, 0);  in ieee80211_chsw_switch_hwconf()
1173 static int ieee80211_chsw_switch_vifs(struct ieee80211_local *local,  in ieee80211_chsw_switch_vifs()  argument
1181 	lockdep_assert_held(&local->mtx);  in ieee80211_chsw_switch_vifs()
1182 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chsw_switch_vifs()
1189 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_chsw_switch_vifs()
1213 	err = drv_switch_vif_chanctx(local, vif_chsw, n_vifs,  in ieee80211_chsw_switch_vifs()
1221 static int ieee80211_chsw_switch_ctxs(struct ieee80211_local *local)  in ieee80211_chsw_switch_ctxs()  argument
1226 	lockdep_assert_held(&local->mtx);  in ieee80211_chsw_switch_ctxs()
1227 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_chsw_switch_ctxs()
1229 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_chsw_switch_ctxs()
1236 		ieee80211_del_chanctx(local, ctx->replace_ctx);  in ieee80211_chsw_switch_ctxs()
1237 		err = ieee80211_add_chanctx(local, ctx);  in ieee80211_chsw_switch_ctxs()
1245 	WARN_ON(ieee80211_add_chanctx(local, ctx));  in ieee80211_chsw_switch_ctxs()
1246 	list_for_each_entry_continue_reverse(ctx, &local->chanctx_list, list) {  in ieee80211_chsw_switch_ctxs()
1253 		ieee80211_del_chanctx(local, ctx);  in ieee80211_chsw_switch_ctxs()
1254 		WARN_ON(ieee80211_add_chanctx(local, ctx->replace_ctx));  in ieee80211_chsw_switch_ctxs()
1260 static int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)  in ieee80211_vif_use_reserved_switch()  argument
1268 	lockdep_assert_held(&local->mtx);  in ieee80211_vif_use_reserved_switch()
1269 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_vif_use_reserved_switch()
1287 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_vif_use_reserved_switch()
1296 		if (!local->use_chanctx)  in ieee80211_vif_use_reserved_switch()
1317 				wiphy_info(local->hw.wiphy,  in ieee80211_vif_use_reserved_switch()
1353 	    WARN_ON(n_ctx > 1 && !local->use_chanctx) ||  in ieee80211_vif_use_reserved_switch()
1354 	    WARN_ON(!new_ctx && !local->use_chanctx)) {  in ieee80211_vif_use_reserved_switch()
1364 	if (local->use_chanctx) {  in ieee80211_vif_use_reserved_switch()
1366 			err = ieee80211_chsw_switch_vifs(local, n_vifs_switch);  in ieee80211_vif_use_reserved_switch()
1372 			err = ieee80211_chsw_switch_ctxs(local);  in ieee80211_vif_use_reserved_switch()
1377 		err = ieee80211_chsw_switch_hwconf(local, new_ctx);  in ieee80211_vif_use_reserved_switch()
1388 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_vif_use_reserved_switch()
1426 		ieee80211_recalc_chanctx_chantype(local, ctx);  in ieee80211_vif_use_reserved_switch()
1427 		ieee80211_recalc_smps_chanctx(local, ctx);  in ieee80211_vif_use_reserved_switch()
1428 		ieee80211_recalc_radar_chanctx(local, ctx);  in ieee80211_vif_use_reserved_switch()
1429 		ieee80211_recalc_chanctx_min_def(local, ctx);  in ieee80211_vif_use_reserved_switch()
1474 				cfg80211_stop_iface(local->hw.wiphy,  in ieee80211_vif_use_reserved_switch()
1485 	list_for_each_entry_safe(ctx, ctx_tmp, &local->chanctx_list, list) {  in ieee80211_vif_use_reserved_switch()
1500 	list_for_each_entry(ctx, &local->chanctx_list, list) {  in ieee80211_vif_use_reserved_switch()
1516 	struct ieee80211_local *local = sdata->local;  in __ieee80211_vif_release_channel()  local
1521 	lockdep_assert_held(&local->chanctx_mtx);  in __ieee80211_vif_release_channel()
1524 					 lockdep_is_held(&local->chanctx_mtx));  in __ieee80211_vif_release_channel()
1533 		    ieee80211_chanctx_num_reserved(local,  in __ieee80211_vif_release_channel()
1541 	if (ieee80211_chanctx_refcount(local, ctx) == 0)  in __ieee80211_vif_release_channel()
1542 		ieee80211_free_chanctx(local, ctx);  in __ieee80211_vif_release_channel()
1548 		ieee80211_vif_use_reserved_switch(local);  in __ieee80211_vif_release_channel()
1555 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_channel()  local
1560 	lockdep_assert_held(&local->mtx);  in ieee80211_vif_use_channel()
1564 	mutex_lock(&local->chanctx_mtx);  in ieee80211_vif_use_channel()
1566 	ret = cfg80211_chandef_dfs_required(local->hw.wiphy,  in ieee80211_vif_use_channel()
1583 	ctx = ieee80211_find_chanctx(local, chandef, mode);  in ieee80211_vif_use_channel()
1585 		ctx = ieee80211_new_chanctx(local, chandef, mode);  in ieee80211_vif_use_channel()
1596 		if (ieee80211_chanctx_refcount(local, ctx) == 0)  in ieee80211_vif_use_channel()
1597 			ieee80211_free_chanctx(local, ctx);  in ieee80211_vif_use_channel()
1601 	ieee80211_recalc_smps_chanctx(local, ctx);  in ieee80211_vif_use_channel()
1602 	ieee80211_recalc_radar_chanctx(local, ctx);  in ieee80211_vif_use_channel()
1607 	mutex_unlock(&local->chanctx_mtx);  in ieee80211_vif_use_channel()
1613 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_reserved_context()  local
1618 	lockdep_assert_held(&local->mtx);  in ieee80211_vif_use_reserved_context()
1619 	lockdep_assert_held(&local->chanctx_mtx);  in ieee80211_vif_use_reserved_context()
1660 		err = ieee80211_vif_use_reserved_switch(local);  in ieee80211_vif_use_reserved_context()
1666 			wiphy_info(local->hw.wiphy,  in ieee80211_vif_use_reserved_context()
1679 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_change_bandwidth()  local
1685 	if (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef,  in ieee80211_vif_change_bandwidth()
1689 	mutex_lock(&local->chanctx_mtx);  in ieee80211_vif_change_bandwidth()
1702 					 lockdep_is_held(&local->chanctx_mtx));  in ieee80211_vif_change_bandwidth()
1718 		if (!ieee80211_chanctx_reserved_chandef(local, ctx, compat)) {  in ieee80211_vif_change_bandwidth()
1738 	ieee80211_recalc_chanctx_chantype(local, ctx);  in ieee80211_vif_change_bandwidth()
1743 	mutex_unlock(&local->chanctx_mtx);  in ieee80211_vif_change_bandwidth()
1751 	lockdep_assert_held(&sdata->local->mtx);  in ieee80211_vif_release_channel()
1753 	mutex_lock(&sdata->local->chanctx_mtx);  in ieee80211_vif_release_channel()
1755 	mutex_unlock(&sdata->local->chanctx_mtx);  in ieee80211_vif_release_channel()
1760 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_vlan_copy_chanctx()  local
1769 	mutex_lock(&local->chanctx_mtx);  in ieee80211_vif_vlan_copy_chanctx()
1772 					 lockdep_is_held(&local->chanctx_mtx));  in ieee80211_vif_vlan_copy_chanctx()
1774 	mutex_unlock(&local->chanctx_mtx);  in ieee80211_vif_vlan_copy_chanctx()
1784 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_iter_chan_contexts_atomic()  local
1788 	list_for_each_entry_rcu(ctx, &local->chanctx_list, list)  in ieee80211_iter_chan_contexts_atomic()