15 	struct ieee80211_sub_if_data *sdata;  in ieee80211_chanctx_num_assigned()  local
20 	list_for_each_entry(sdata, &ctx->assigned_vifs, assigned_chanctx_list)  in ieee80211_chanctx_num_assigned()
29 	struct ieee80211_sub_if_data *sdata;  in ieee80211_chanctx_num_reserved()  local
34 	list_for_each_entry(sdata, &ctx->reserved_vifs, reserved_chanctx_list)  in ieee80211_chanctx_num_reserved()
67 ieee80211_vif_get_chanctx(struct ieee80211_sub_if_data *sdata)  in ieee80211_vif_get_chanctx()  argument
69 	struct ieee80211_local *local __maybe_unused = sdata->local;  in ieee80211_vif_get_chanctx()
72 	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,  in ieee80211_vif_get_chanctx()
85 	struct ieee80211_sub_if_data *sdata;  in ieee80211_chanctx_reserved_chandef()  local
89 	list_for_each_entry(sdata, &ctx->reserved_vifs,  in ieee80211_chanctx_reserved_chandef()
92 			compat = &sdata->reserved_chandef;  in ieee80211_chanctx_reserved_chandef()
94 		compat = cfg80211_chandef_compatible(&sdata->reserved_chandef,  in ieee80211_chanctx_reserved_chandef()
108 	struct ieee80211_sub_if_data *sdata;  in ieee80211_chanctx_non_reserved_chandef()  local
112 	list_for_each_entry(sdata, &ctx->assigned_vifs,  in ieee80211_chanctx_non_reserved_chandef()
114 		if (sdata->reserved_chanctx != NULL)  in ieee80211_chanctx_non_reserved_chandef()
118 			compat = &sdata->vif.bss_conf.chandef;  in ieee80211_chanctx_non_reserved_chandef()
121 				&sdata->vif.bss_conf.chandef, compat);  in ieee80211_chanctx_non_reserved_chandef()
223 ieee80211_get_max_required_bw(struct ieee80211_sub_if_data *sdata)  in ieee80211_get_max_required_bw()  argument
229 	list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {  in ieee80211_get_max_required_bw()
230 		if (sdata != sta->sdata &&  in ieee80211_get_max_required_bw()
231 		    !(sta->sdata->bss && sta->sdata->bss == sdata->bss))  in ieee80211_get_max_required_bw()
248 	struct ieee80211_sub_if_data *sdata;  in ieee80211_get_chanctx_max_required_bw()  local
252 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_get_chanctx_max_required_bw()
253 		struct ieee80211_vif *vif = &sdata->vif;  in ieee80211_get_chanctx_max_required_bw()
256 		if (!ieee80211_sdata_running(sdata))  in ieee80211_get_chanctx_max_required_bw()
259 		if (rcu_access_pointer(sdata->vif.chanctx_conf) != conf)  in ieee80211_get_chanctx_max_required_bw()
265 			width = ieee80211_get_max_required_bw(sdata);  in ieee80211_get_chanctx_max_required_bw()
274 				    ieee80211_get_max_required_bw(sdata));  in ieee80211_get_chanctx_max_required_bw()
295 	sdata = rcu_dereference(local->monitor_sdata);  in ieee80211_get_chanctx_max_required_bw()
296 	if (sdata && rcu_access_pointer(sdata->vif.chanctx_conf) == conf)  in ieee80211_get_chanctx_max_required_bw()
401 	struct ieee80211_sub_if_data *sdata;  in ieee80211_is_radar_required()  local
406 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_is_radar_required()
407 		if (sdata->radar_required) {  in ieee80211_is_radar_required()
422 	struct ieee80211_sub_if_data *sdata;  in ieee80211_chanctx_radar_required()  local
429 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_chanctx_radar_required()
430 		if (!ieee80211_sdata_running(sdata))  in ieee80211_chanctx_radar_required()
432 		if (rcu_access_pointer(sdata->vif.chanctx_conf) != conf)  in ieee80211_chanctx_radar_required()
434 		if (!sdata->radar_required)  in ieee80211_chanctx_radar_required()
569 	struct ieee80211_sub_if_data *sdata;  in ieee80211_recalc_chanctx_chantype()  local
576 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_recalc_chanctx_chantype()
578 		if (!ieee80211_sdata_running(sdata))  in ieee80211_recalc_chanctx_chantype()
580 		if (rcu_access_pointer(sdata->vif.chanctx_conf) != conf)  in ieee80211_recalc_chanctx_chantype()
582 		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)  in ieee80211_recalc_chanctx_chantype()
586 			compat = &sdata->vif.bss_conf.chandef;  in ieee80211_recalc_chanctx_chantype()
589 				&sdata->vif.bss_conf.chandef, compat);  in ieee80211_recalc_chanctx_chantype()
639 static int ieee80211_assign_vif_chanctx(struct ieee80211_sub_if_data *sdata,  in ieee80211_assign_vif_chanctx()  argument
642 	struct ieee80211_local *local = sdata->local;  in ieee80211_assign_vif_chanctx()
647 	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,  in ieee80211_assign_vif_chanctx()
653 		drv_unassign_vif_chanctx(local, sdata, curr_ctx);  in ieee80211_assign_vif_chanctx()
655 		list_del(&sdata->assigned_chanctx_list);  in ieee80211_assign_vif_chanctx()
659 		ret = drv_assign_vif_chanctx(local, sdata, new_ctx);  in ieee80211_assign_vif_chanctx()
664 		list_add(&sdata->assigned_chanctx_list,  in ieee80211_assign_vif_chanctx()
669 	rcu_assign_pointer(sdata->vif.chanctx_conf, conf);  in ieee80211_assign_vif_chanctx()
671 	sdata->vif.bss_conf.idle = !conf;  in ieee80211_assign_vif_chanctx()
681 		ieee80211_recalc_txpower(sdata, false);  in ieee80211_assign_vif_chanctx()
685 	if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&  in ieee80211_assign_vif_chanctx()
686 	    sdata->vif.type != NL80211_IFTYPE_MONITOR)  in ieee80211_assign_vif_chanctx()
687 		ieee80211_bss_info_change_notify(sdata,  in ieee80211_assign_vif_chanctx()
690 	ieee80211_check_fast_xmit_iface(sdata);  in ieee80211_assign_vif_chanctx()
698 	struct ieee80211_sub_if_data *sdata;  in ieee80211_recalc_smps_chanctx()  local
707 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_recalc_smps_chanctx()
710 		if (!ieee80211_sdata_running(sdata))  in ieee80211_recalc_smps_chanctx()
713 		if (rcu_access_pointer(sdata->vif.chanctx_conf) !=  in ieee80211_recalc_smps_chanctx()
717 		switch (sdata->vif.type) {  in ieee80211_recalc_smps_chanctx()
721 			if (!sdata->u.mgd.associated)  in ieee80211_recalc_smps_chanctx()
736 		switch (sdata->smps_mode) {  in ieee80211_recalc_smps_chanctx()
739 				  sdata->smps_mode);  in ieee80211_recalc_smps_chanctx()
742 			needed_static = sdata->needed_rx_chains;  in ieee80211_recalc_smps_chanctx()
743 			needed_dynamic = sdata->needed_rx_chains;  in ieee80211_recalc_smps_chanctx()
747 			needed_dynamic = sdata->needed_rx_chains;  in ieee80211_recalc_smps_chanctx()
760 	sdata = rcu_dereference(local->monitor_sdata);  in ieee80211_recalc_smps_chanctx()
761 	if (sdata &&  in ieee80211_recalc_smps_chanctx()
762 	    rcu_access_pointer(sdata->vif.chanctx_conf) == &chanctx->conf)  in ieee80211_recalc_smps_chanctx()
787 __ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,  in __ieee80211_vif_copy_chanctx_to_vlans()  argument
790 	struct ieee80211_local *local __maybe_unused = sdata->local;  in __ieee80211_vif_copy_chanctx_to_vlans()
794 	if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_AP))  in __ieee80211_vif_copy_chanctx_to_vlans()
805 	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,  in __ieee80211_vif_copy_chanctx_to_vlans()
812 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)  in __ieee80211_vif_copy_chanctx_to_vlans()
816 void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,  in ieee80211_vif_copy_chanctx_to_vlans()  argument
819 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_copy_chanctx_to_vlans()
823 	__ieee80211_vif_copy_chanctx_to_vlans(sdata, clear);  in ieee80211_vif_copy_chanctx_to_vlans()
828 int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata)  in ieee80211_vif_unreserve_chanctx()  argument
830 	struct ieee80211_chanctx *ctx = sdata->reserved_chanctx;  in ieee80211_vif_unreserve_chanctx()
832 	lockdep_assert_held(&sdata->local->chanctx_mtx);  in ieee80211_vif_unreserve_chanctx()
837 	list_del(&sdata->reserved_chanctx_list);  in ieee80211_vif_unreserve_chanctx()
838 	sdata->reserved_chanctx = NULL;  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()
863 int ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata,  in ieee80211_vif_reserve_chanctx()  argument
868 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_reserve_chanctx()
873 	curr_ctx = ieee80211_vif_get_chanctx(sdata);  in ieee80211_vif_reserve_chanctx()
950 	list_add(&sdata->reserved_chanctx_list, &new_ctx->reserved_vifs);  in ieee80211_vif_reserve_chanctx()
951 	sdata->reserved_chanctx = new_ctx;  in ieee80211_vif_reserve_chanctx()
952 	sdata->reserved_chandef = *chandef;  in ieee80211_vif_reserve_chanctx()
953 	sdata->reserved_radar_required = radar_required;  in ieee80211_vif_reserve_chanctx()
954 	sdata->reserved_ready = false;  in ieee80211_vif_reserve_chanctx()
960 ieee80211_vif_chanctx_reservation_complete(struct ieee80211_sub_if_data *sdata)  in ieee80211_vif_chanctx_reservation_complete()  argument
962 	switch (sdata->vif.type) {  in ieee80211_vif_chanctx_reservation_complete()
967 		ieee80211_queue_work(&sdata->local->hw,  in ieee80211_vif_chanctx_reservation_complete()
968 				     &sdata->csa_finalize_work);  in ieee80211_vif_chanctx_reservation_complete()
971 		ieee80211_queue_work(&sdata->local->hw,  in ieee80211_vif_chanctx_reservation_complete()
972 				     &sdata->u.mgd.chswitch_work);  in ieee80211_vif_chanctx_reservation_complete()
988 ieee80211_vif_update_chandef(struct ieee80211_sub_if_data *sdata,  in ieee80211_vif_update_chandef()  argument
993 	sdata->vif.bss_conf.chandef = *chandef;  in ieee80211_vif_update_chandef()
995 	if (sdata->vif.type != NL80211_IFTYPE_AP)  in ieee80211_vif_update_chandef()
998 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)  in ieee80211_vif_update_chandef()
1003 ieee80211_vif_use_reserved_reassign(struct ieee80211_sub_if_data *sdata)  in ieee80211_vif_use_reserved_reassign()  argument
1005 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_reserved_reassign()
1015 	new_ctx = sdata->reserved_chanctx;  in ieee80211_vif_use_reserved_reassign()
1016 	old_ctx = ieee80211_vif_get_chanctx(sdata);  in ieee80211_vif_use_reserved_reassign()
1018 	if (WARN_ON(!sdata->reserved_ready))  in ieee80211_vif_use_reserved_reassign()
1032 				&sdata->reserved_chandef);  in ieee80211_vif_use_reserved_reassign()
1038 	vif_chsw[0].vif = &sdata->vif;  in ieee80211_vif_use_reserved_reassign()
1042 	list_del(&sdata->reserved_chanctx_list);  in ieee80211_vif_use_reserved_reassign()
1043 	sdata->reserved_chanctx = NULL;  in ieee80211_vif_use_reserved_reassign()
1054 	list_move(&sdata->assigned_chanctx_list, &new_ctx->assigned_vifs);  in ieee80211_vif_use_reserved_reassign()
1055 	rcu_assign_pointer(sdata->vif.chanctx_conf, &new_ctx->conf);  in ieee80211_vif_use_reserved_reassign()
1057 	if (sdata->vif.type == NL80211_IFTYPE_AP)  in ieee80211_vif_use_reserved_reassign()
1058 		__ieee80211_vif_copy_chanctx_to_vlans(sdata, false);  in ieee80211_vif_use_reserved_reassign()
1060 	ieee80211_check_fast_xmit_iface(sdata);  in ieee80211_vif_use_reserved_reassign()
1065 	if (sdata->vif.bss_conf.chandef.width != sdata->reserved_chandef.width)  in ieee80211_vif_use_reserved_reassign()
1068 	ieee80211_vif_update_chandef(sdata, &sdata->reserved_chandef);  in ieee80211_vif_use_reserved_reassign()
1075 		ieee80211_bss_info_change_notify(sdata, changed);  in ieee80211_vif_use_reserved_reassign()
1078 	ieee80211_vif_chanctx_reservation_complete(sdata);  in ieee80211_vif_use_reserved_reassign()
1083 ieee80211_vif_use_reserved_assign(struct ieee80211_sub_if_data *sdata)  in ieee80211_vif_use_reserved_assign()  argument
1085 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_reserved_assign()
1090 	old_ctx = ieee80211_vif_get_chanctx(sdata);  in ieee80211_vif_use_reserved_assign()
1091 	new_ctx = sdata->reserved_chanctx;  in ieee80211_vif_use_reserved_assign()
1093 	if (WARN_ON(!sdata->reserved_ready))  in ieee80211_vif_use_reserved_assign()
1107 				&sdata->reserved_chandef);  in ieee80211_vif_use_reserved_assign()
1113 	list_del(&sdata->reserved_chanctx_list);  in ieee80211_vif_use_reserved_assign()
1114 	sdata->reserved_chanctx = NULL;  in ieee80211_vif_use_reserved_assign()
1116 	err = ieee80211_assign_vif_chanctx(sdata, new_ctx);  in ieee80211_vif_use_reserved_assign()
1125 	ieee80211_vif_chanctx_reservation_complete(sdata);  in ieee80211_vif_use_reserved_assign()
1130 ieee80211_vif_has_in_place_reservation(struct ieee80211_sub_if_data *sdata)  in ieee80211_vif_has_in_place_reservation()  argument
1134 	lockdep_assert_held(&sdata->local->chanctx_mtx);  in ieee80211_vif_has_in_place_reservation()
1136 	new_ctx = sdata->reserved_chanctx;  in ieee80211_vif_has_in_place_reservation()
1137 	old_ctx = ieee80211_vif_get_chanctx(sdata);  in ieee80211_vif_has_in_place_reservation()
1177 	struct ieee80211_sub_if_data *sdata;  in ieee80211_chsw_switch_vifs()  local
1198 		list_for_each_entry(sdata, &ctx->reserved_vifs,  in ieee80211_chsw_switch_vifs()
1201 					sdata))  in ieee80211_chsw_switch_vifs()
1204 			old_ctx = ieee80211_vif_get_chanctx(sdata);  in ieee80211_chsw_switch_vifs()
1205 			vif_chsw[i].vif = &sdata->vif;  in ieee80211_chsw_switch_vifs()
1262 	struct ieee80211_sub_if_data *sdata, *sdata_tmp;  in ieee80211_vif_use_reserved_switch()  local
1305 		list_for_each_entry(sdata, &ctx->replace_ctx->assigned_vifs,  in ieee80211_vif_use_reserved_switch()
1308 			if (sdata->reserved_chanctx) {  in ieee80211_vif_use_reserved_switch()
1310 				if (sdata->reserved_ready)  in ieee80211_vif_use_reserved_switch()
1327 		list_for_each_entry(sdata, &ctx->reserved_vifs,  in ieee80211_vif_use_reserved_switch()
1329 			if (ieee80211_vif_has_in_place_reservation(sdata) &&  in ieee80211_vif_use_reserved_switch()
1330 			    !sdata->reserved_ready)  in ieee80211_vif_use_reserved_switch()
1333 			old_ctx = ieee80211_vif_get_chanctx(sdata);  in ieee80211_vif_use_reserved_switch()
1344 			if (sdata->reserved_radar_required)  in ieee80211_vif_use_reserved_switch()
1397 		list_for_each_entry(sdata, &ctx->reserved_vifs,  in ieee80211_vif_use_reserved_switch()
1401 			if (!ieee80211_vif_has_in_place_reservation(sdata))  in ieee80211_vif_use_reserved_switch()
1404 			rcu_assign_pointer(sdata->vif.chanctx_conf, &ctx->conf);  in ieee80211_vif_use_reserved_switch()
1406 			if (sdata->vif.type == NL80211_IFTYPE_AP)  in ieee80211_vif_use_reserved_switch()
1407 				__ieee80211_vif_copy_chanctx_to_vlans(sdata,  in ieee80211_vif_use_reserved_switch()
1410 			ieee80211_check_fast_xmit_iface(sdata);  in ieee80211_vif_use_reserved_switch()
1412 			sdata->radar_required = sdata->reserved_radar_required;  in ieee80211_vif_use_reserved_switch()
1414 			if (sdata->vif.bss_conf.chandef.width !=  in ieee80211_vif_use_reserved_switch()
1415 			    sdata->reserved_chandef.width)  in ieee80211_vif_use_reserved_switch()
1418 			ieee80211_vif_update_chandef(sdata, &sdata->reserved_chandef);  in ieee80211_vif_use_reserved_switch()
1420 				ieee80211_bss_info_change_notify(sdata,  in ieee80211_vif_use_reserved_switch()
1423 			ieee80211_recalc_txpower(sdata, false);  in ieee80211_vif_use_reserved_switch()
1431 		list_for_each_entry_safe(sdata, sdata_tmp, &ctx->reserved_vifs,  in ieee80211_vif_use_reserved_switch()
1433 			if (ieee80211_vif_get_chanctx(sdata) != ctx)  in ieee80211_vif_use_reserved_switch()
1436 			list_del(&sdata->reserved_chanctx_list);  in ieee80211_vif_use_reserved_switch()
1437 			list_move(&sdata->assigned_chanctx_list,  in ieee80211_vif_use_reserved_switch()
1439 			sdata->reserved_chanctx = NULL;  in ieee80211_vif_use_reserved_switch()
1441 			ieee80211_vif_chanctx_reservation_complete(sdata);  in ieee80211_vif_use_reserved_switch()
1451 		list_for_each_entry_safe(sdata, sdata_tmp, &ctx->reserved_vifs,  in ieee80211_vif_use_reserved_switch()
1454 					sdata)))  in ieee80211_vif_use_reserved_switch()
1457 			if (WARN_ON(sdata->reserved_chanctx != ctx))  in ieee80211_vif_use_reserved_switch()
1460 			if (!sdata->reserved_ready)  in ieee80211_vif_use_reserved_switch()
1463 			if (ieee80211_vif_get_chanctx(sdata))  in ieee80211_vif_use_reserved_switch()
1465 						sdata);  in ieee80211_vif_use_reserved_switch()
1467 				err = ieee80211_vif_use_reserved_assign(sdata);  in ieee80211_vif_use_reserved_switch()
1470 				sdata_info(sdata,  in ieee80211_vif_use_reserved_switch()
1473 				ieee80211_vif_unreserve_chanctx(sdata);  in ieee80211_vif_use_reserved_switch()
1475 						    &sdata->wdev,  in ieee80211_vif_use_reserved_switch()
1504 		list_for_each_entry_safe(sdata, sdata_tmp, &ctx->reserved_vifs,  in ieee80211_vif_use_reserved_switch()
1506 			ieee80211_vif_unreserve_chanctx(sdata);  in ieee80211_vif_use_reserved_switch()
1507 			ieee80211_vif_chanctx_reservation_complete(sdata);  in ieee80211_vif_use_reserved_switch()
1514 static void __ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata)  in __ieee80211_vif_release_channel()  argument
1516 	struct ieee80211_local *local = sdata->local;  in __ieee80211_vif_release_channel()
1523 	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,  in __ieee80211_vif_release_channel()
1530 	if (sdata->reserved_chanctx) {  in __ieee80211_vif_release_channel()
1531 		if (sdata->reserved_chanctx->replace_state ==  in __ieee80211_vif_release_channel()
1534 						   sdata->reserved_chanctx) > 1)  in __ieee80211_vif_release_channel()
1537 		ieee80211_vif_unreserve_chanctx(sdata);  in __ieee80211_vif_release_channel()
1540 	ieee80211_assign_vif_chanctx(sdata, NULL);  in __ieee80211_vif_release_channel()
1544 	sdata->radar_required = false;  in __ieee80211_vif_release_channel()
1551 int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,  in ieee80211_vif_use_channel()  argument
1555 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_channel()
1562 	WARN_ON(sdata->dev && netif_carrier_ok(sdata->dev));  in ieee80211_vif_use_channel()
1568 					    sdata->wdev.iftype);  in ieee80211_vif_use_channel()
1574 	sdata->radar_required = ret;  in ieee80211_vif_use_channel()
1576 	ret = ieee80211_check_combinations(sdata, chandef, mode,  in ieee80211_vif_use_channel()
1581 	__ieee80211_vif_release_channel(sdata);  in ieee80211_vif_use_channel()
1591 	ieee80211_vif_update_chandef(sdata, chandef);  in ieee80211_vif_use_channel()
1593 	ret = ieee80211_assign_vif_chanctx(sdata, ctx);  in ieee80211_vif_use_channel()
1605 		sdata->radar_required = false;  in ieee80211_vif_use_channel()
1611 int ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata)  in ieee80211_vif_use_reserved_context()  argument
1613 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_use_reserved_context()
1621 	new_ctx = sdata->reserved_chanctx;  in ieee80211_vif_use_reserved_context()
1622 	old_ctx = ieee80211_vif_get_chanctx(sdata);  in ieee80211_vif_use_reserved_context()
1631 	if (WARN_ON(sdata->reserved_ready))  in ieee80211_vif_use_reserved_context()
1634 	sdata->reserved_ready = true;  in ieee80211_vif_use_reserved_context()
1638 			err = ieee80211_vif_use_reserved_reassign(sdata);  in ieee80211_vif_use_reserved_context()
1640 			err = ieee80211_vif_use_reserved_assign(sdata);  in ieee80211_vif_use_reserved_context()
1675 int ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,  in ieee80211_vif_change_bandwidth()  argument
1679 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_change_bandwidth()
1685 	if (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef,  in ieee80211_vif_change_bandwidth()
1690 	if (cfg80211_chandef_identical(chandef, &sdata->vif.bss_conf.chandef)) {  in ieee80211_vif_change_bandwidth()
1696 	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) {  in ieee80211_vif_change_bandwidth()
1701 	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,  in ieee80211_vif_change_bandwidth()
1736 	ieee80211_vif_update_chandef(sdata, chandef);  in ieee80211_vif_change_bandwidth()
1747 void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata)  in ieee80211_vif_release_channel()  argument
1749 	WARN_ON(sdata->dev && netif_carrier_ok(sdata->dev));  in ieee80211_vif_release_channel()
1751 	lockdep_assert_held(&sdata->local->mtx);  in ieee80211_vif_release_channel()
1753 	mutex_lock(&sdata->local->chanctx_mtx);  in ieee80211_vif_release_channel()
1754 	__ieee80211_vif_release_channel(sdata);  in ieee80211_vif_release_channel()
1755 	mutex_unlock(&sdata->local->chanctx_mtx);  in ieee80211_vif_release_channel()
1758 void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata)  in ieee80211_vif_vlan_copy_chanctx()  argument
1760 	struct ieee80211_local *local = sdata->local;  in ieee80211_vif_vlan_copy_chanctx()
1764 	if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_AP_VLAN || !sdata->bss))  in ieee80211_vif_vlan_copy_chanctx()
1767 	ap = container_of(sdata->bss, struct ieee80211_sub_if_data, u.ap);  in ieee80211_vif_vlan_copy_chanctx()
1773 	rcu_assign_pointer(sdata->vif.chanctx_conf, conf);  in ieee80211_vif_vlan_copy_chanctx()