18 	struct ieee80211_link_data *link;  in ieee80211_chanctx_num_assigned()  local
23 	list_for_each_entry(link, &ctx->assigned_links, assigned_chanctx_list)  in ieee80211_chanctx_num_assigned()
32 	struct ieee80211_link_data *link;  in ieee80211_chanctx_num_reserved()  local
37 	list_for_each_entry(link, &ctx->reserved_links, reserved_chanctx_list)  in ieee80211_chanctx_num_reserved()
70 ieee80211_link_get_chanctx(struct ieee80211_link_data *link)  in ieee80211_link_get_chanctx()  argument
72 	struct ieee80211_local *local __maybe_unused = link->sdata->local;  in ieee80211_link_get_chanctx()
75 	conf = rcu_dereference_protected(link->conf->chanctx_conf,  in ieee80211_link_get_chanctx()
88 	struct ieee80211_link_data *link;  in ieee80211_chanctx_reserved_chandef()  local
92 	list_for_each_entry(link, &ctx->reserved_links,  in ieee80211_chanctx_reserved_chandef()
95 			compat = &link->reserved_chandef;  in ieee80211_chanctx_reserved_chandef()
97 		compat = cfg80211_chandef_compatible(&link->reserved_chandef,  in ieee80211_chanctx_reserved_chandef()
111 	struct ieee80211_link_data *link;  in ieee80211_chanctx_non_reserved_chandef()  local
115 	list_for_each_entry(link, &ctx->assigned_links,  in ieee80211_chanctx_non_reserved_chandef()
117 		struct ieee80211_bss_conf *link_conf = link->conf;  in ieee80211_chanctx_non_reserved_chandef()
119 		if (link->reserved_chanctx)  in ieee80211_chanctx_non_reserved_chandef()
204 	link_sta = rcu_dereference(sta->link[link_id]);  in ieee80211_get_sta_bw()
206 	/* no effect if this STA has no presence on this link */  in ieee80211_get_sta_bw()
268 	for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {  in ieee80211_get_chanctx_vif_max_required_bw()
411 		for (link_id = 0; link_id < ARRAY_SIZE(sta->sdata->link); link_id++) {  in ieee80211_chan_bw_change()
422 			link_sta = rcu_dereference(sta->link[link_id]);  in ieee80211_chan_bw_change()
565 		for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {  in ieee80211_is_radar_required()
566 			struct ieee80211_link_data *link;  in ieee80211_is_radar_required()  local
568 			link = rcu_dereference(sdata->link[link_id]);  in ieee80211_is_radar_required()
570 			if (link && link->radar_required) {  in ieee80211_is_radar_required()
598 		for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {  in ieee80211_chanctx_radar_required()
599 			struct ieee80211_link_data *link;  in ieee80211_chanctx_radar_required()  local
601 			link = rcu_dereference(sdata->link[link_id]);  in ieee80211_chanctx_radar_required()
602 			if (!link)  in ieee80211_chanctx_radar_required()
605 			if (rcu_access_pointer(link->conf->chanctx_conf) != conf)  in ieee80211_chanctx_radar_required()
607 			if (!link->radar_required)  in ieee80211_chanctx_radar_required()
769 		for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {  in ieee80211_recalc_chanctx_chantype()
834 static int ieee80211_assign_link_chanctx(struct ieee80211_link_data *link,  in ieee80211_assign_link_chanctx()  argument
837 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_assign_link_chanctx()
846 	conf = rcu_dereference_protected(link->conf->chanctx_conf,  in ieee80211_assign_link_chanctx()
852 		drv_unassign_vif_chanctx(local, sdata, link->conf, curr_ctx);  in ieee80211_assign_link_chanctx()
854 		list_del(&link->assigned_chanctx_list);  in ieee80211_assign_link_chanctx()
858 		ret = drv_assign_vif_chanctx(local, sdata, link->conf, new_ctx);  in ieee80211_assign_link_chanctx()
863 		list_add(&link->assigned_chanctx_list,  in ieee80211_assign_link_chanctx()
868 	rcu_assign_pointer(link->conf->chanctx_conf, conf);  in ieee80211_assign_link_chanctx()
926 		for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {  in ieee80211_recalc_smps_chanctx()
927 			struct ieee80211_link_data *link;  in ieee80211_recalc_smps_chanctx()  local
929 			link = rcu_dereference(sdata->link[link_id]);  in ieee80211_recalc_smps_chanctx()
931 			if (!link)  in ieee80211_recalc_smps_chanctx()
934 			if (rcu_access_pointer(link->conf->chanctx_conf) != &chanctx->conf)  in ieee80211_recalc_smps_chanctx()
937 			switch (link->smps_mode) {  in ieee80211_recalc_smps_chanctx()
940 					  link->smps_mode);  in ieee80211_recalc_smps_chanctx()
943 				needed_static = link->needed_rx_chains;  in ieee80211_recalc_smps_chanctx()
944 				needed_dynamic = link->needed_rx_chains;  in ieee80211_recalc_smps_chanctx()
948 				needed_dynamic = link->needed_rx_chains;  in ieee80211_recalc_smps_chanctx()
989 __ieee80211_link_copy_chanctx_to_vlans(struct ieee80211_link_data *link,  in __ieee80211_link_copy_chanctx_to_vlans()  argument
992 	struct ieee80211_sub_if_data *sdata = link->sdata;  in __ieee80211_link_copy_chanctx_to_vlans()
993 	unsigned int link_id = link->link_id;  in __ieee80211_link_copy_chanctx_to_vlans()
994 	struct ieee80211_bss_conf *link_conf = link->conf;  in __ieee80211_link_copy_chanctx_to_vlans()
1030 void ieee80211_link_copy_chanctx_to_vlans(struct ieee80211_link_data *link,  in ieee80211_link_copy_chanctx_to_vlans()  argument
1033 	struct ieee80211_local *local = link->sdata->local;  in ieee80211_link_copy_chanctx_to_vlans()
1037 	__ieee80211_link_copy_chanctx_to_vlans(link, clear);  in ieee80211_link_copy_chanctx_to_vlans()
1042 int ieee80211_link_unreserve_chanctx(struct ieee80211_link_data *link)  in ieee80211_link_unreserve_chanctx()  argument
1044 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_unreserve_chanctx()
1045 	struct ieee80211_chanctx *ctx = link->reserved_chanctx;  in ieee80211_link_unreserve_chanctx()
1052 	list_del(&link->reserved_chanctx_list);  in ieee80211_link_unreserve_chanctx()
1053 	link->reserved_chanctx = NULL;  in ieee80211_link_unreserve_chanctx()
1078 int ieee80211_link_reserve_chanctx(struct ieee80211_link_data *link,  in ieee80211_link_reserve_chanctx()  argument
1083 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_reserve_chanctx()
1089 	curr_ctx = ieee80211_link_get_chanctx(link);  in ieee80211_link_reserve_chanctx()
1105 				 * Another link already requested this context  in ieee80211_link_reserve_chanctx()
1166 	list_add(&link->reserved_chanctx_list, &new_ctx->reserved_links);  in ieee80211_link_reserve_chanctx()
1167 	link->reserved_chanctx = new_ctx;  in ieee80211_link_reserve_chanctx()
1168 	link->reserved_chandef = *chandef;  in ieee80211_link_reserve_chanctx()
1169 	link->reserved_radar_required = radar_required;  in ieee80211_link_reserve_chanctx()
1170 	link->reserved_ready = false;  in ieee80211_link_reserve_chanctx()
1176 ieee80211_link_chanctx_reservation_complete(struct ieee80211_link_data *link)  in ieee80211_link_chanctx_reservation_complete()  argument
1178 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_chanctx_reservation_complete()
1186 				     &link->csa_finalize_work);  in ieee80211_link_chanctx_reservation_complete()
1190 				     &link->u.mgd.chswitch_work);  in ieee80211_link_chanctx_reservation_complete()
1207 ieee80211_link_update_chandef(struct ieee80211_link_data *link,  in ieee80211_link_update_chandef()  argument
1210 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_update_chandef()
1211 	unsigned int link_id = link->link_id;  in ieee80211_link_update_chandef()
1214 	link->conf->chandef = *chandef;  in ieee80211_link_update_chandef()
1233 ieee80211_link_use_reserved_reassign(struct ieee80211_link_data *link)  in ieee80211_link_use_reserved_reassign()  argument
1235 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_use_reserved_reassign()
1236 	struct ieee80211_bss_conf *link_conf = link->conf;  in ieee80211_link_use_reserved_reassign()
1247 	new_ctx = link->reserved_chanctx;  in ieee80211_link_use_reserved_reassign()
1248 	old_ctx = ieee80211_link_get_chanctx(link);  in ieee80211_link_use_reserved_reassign()
1250 	if (WARN_ON(!link->reserved_ready))  in ieee80211_link_use_reserved_reassign()
1264 				&link->reserved_chandef);  in ieee80211_link_use_reserved_reassign()
1268 	if (link_conf->chandef.width != link->reserved_chandef.width)  in ieee80211_link_use_reserved_reassign()
1271 	ieee80211_link_update_chandef(link, &link->reserved_chandef);  in ieee80211_link_use_reserved_reassign()
1278 	vif_chsw[0].link_conf = link->conf;  in ieee80211_link_use_reserved_reassign()
1280 	list_del(&link->reserved_chanctx_list);  in ieee80211_link_use_reserved_reassign()
1281 	link->reserved_chanctx = NULL;  in ieee80211_link_use_reserved_reassign()
1292 	list_move(&link->assigned_chanctx_list, &new_ctx->assigned_links);  in ieee80211_link_use_reserved_reassign()
1296 		__ieee80211_link_copy_chanctx_to_vlans(link, false);  in ieee80211_link_use_reserved_reassign()
1308 		ieee80211_link_info_change_notify(sdata, link, changed);  in ieee80211_link_use_reserved_reassign()
1311 	ieee80211_link_chanctx_reservation_complete(link);  in ieee80211_link_use_reserved_reassign()
1316 ieee80211_link_use_reserved_assign(struct ieee80211_link_data *link)  in ieee80211_link_use_reserved_assign()  argument
1318 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_use_reserved_assign()
1324 	old_ctx = ieee80211_link_get_chanctx(link);  in ieee80211_link_use_reserved_assign()
1325 	new_ctx = link->reserved_chanctx;  in ieee80211_link_use_reserved_assign()
1327 	if (WARN_ON(!link->reserved_ready))  in ieee80211_link_use_reserved_assign()
1341 				&link->reserved_chandef);  in ieee80211_link_use_reserved_assign()
1347 	list_del(&link->reserved_chanctx_list);  in ieee80211_link_use_reserved_assign()
1348 	link->reserved_chanctx = NULL;  in ieee80211_link_use_reserved_assign()
1350 	err = ieee80211_assign_link_chanctx(link, new_ctx);  in ieee80211_link_use_reserved_assign()
1359 	ieee80211_link_chanctx_reservation_complete(link);  in ieee80211_link_use_reserved_assign()
1364 ieee80211_link_has_in_place_reservation(struct ieee80211_link_data *link)  in ieee80211_link_has_in_place_reservation()  argument
1366 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_has_in_place_reservation()
1371 	new_ctx = link->reserved_chanctx;  in ieee80211_link_has_in_place_reservation()
1372 	old_ctx = ieee80211_link_get_chanctx(link);  in ieee80211_link_has_in_place_reservation()
1412 	struct ieee80211_link_data *link;  in ieee80211_chsw_switch_vifs()  local
1433 		list_for_each_entry(link, &ctx->reserved_links,  in ieee80211_chsw_switch_vifs()
1435 			if (!ieee80211_link_has_in_place_reservation(link))  in ieee80211_chsw_switch_vifs()
1438 			old_ctx = ieee80211_link_get_chanctx(link);  in ieee80211_chsw_switch_vifs()
1439 			vif_chsw[i].vif = &link->sdata->vif;  in ieee80211_chsw_switch_vifs()
1442 			vif_chsw[i].link_conf = link->conf;  in ieee80211_chsw_switch_vifs()
1522 		struct ieee80211_link_data *link;  in ieee80211_vif_use_reserved_switch()  local
1541 		list_for_each_entry(link, &ctx->replace_ctx->assigned_links,  in ieee80211_vif_use_reserved_switch()
1544 			if (link->reserved_chanctx) {  in ieee80211_vif_use_reserved_switch()
1546 				if (link->reserved_ready)  in ieee80211_vif_use_reserved_switch()
1563 		list_for_each_entry(link, &ctx->reserved_links,  in ieee80211_vif_use_reserved_switch()
1565 			if (ieee80211_link_has_in_place_reservation(link) &&  in ieee80211_vif_use_reserved_switch()
1566 			    !link->reserved_ready)  in ieee80211_vif_use_reserved_switch()
1569 			old_ctx = ieee80211_link_get_chanctx(link);  in ieee80211_vif_use_reserved_switch()
1580 			if (link->reserved_radar_required)  in ieee80211_vif_use_reserved_switch()
1623 		struct ieee80211_link_data *link, *link_tmp;  in ieee80211_vif_use_reserved_switch()  local
1633 		list_for_each_entry(link, &ctx->reserved_links,  in ieee80211_vif_use_reserved_switch()
1635 			struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_vif_use_reserved_switch()
1636 			struct ieee80211_bss_conf *link_conf = link->conf;  in ieee80211_vif_use_reserved_switch()
1639 			if (!ieee80211_link_has_in_place_reservation(link))  in ieee80211_vif_use_reserved_switch()
1646 				__ieee80211_link_copy_chanctx_to_vlans(link,  in ieee80211_vif_use_reserved_switch()
1651 			link->radar_required = link->reserved_radar_required;  in ieee80211_vif_use_reserved_switch()
1653 			if (link_conf->chandef.width != link->reserved_chandef.width)  in ieee80211_vif_use_reserved_switch()
1656 			ieee80211_link_update_chandef(link, &link->reserved_chandef);  in ieee80211_vif_use_reserved_switch()
1659 								  link,  in ieee80211_vif_use_reserved_switch()
1670 		list_for_each_entry_safe(link, link_tmp, &ctx->reserved_links,  in ieee80211_vif_use_reserved_switch()
1672 			if (ieee80211_link_get_chanctx(link) != ctx)  in ieee80211_vif_use_reserved_switch()
1675 			list_del(&link->reserved_chanctx_list);  in ieee80211_vif_use_reserved_switch()
1676 			list_move(&link->assigned_chanctx_list,  in ieee80211_vif_use_reserved_switch()
1678 			link->reserved_chanctx = NULL;  in ieee80211_vif_use_reserved_switch()
1680 			ieee80211_link_chanctx_reservation_complete(link);  in ieee80211_vif_use_reserved_switch()
1690 		list_for_each_entry_safe(link, link_tmp, &ctx->reserved_links,  in ieee80211_vif_use_reserved_switch()
1692 			if (WARN_ON(ieee80211_link_has_in_place_reservation(link)))  in ieee80211_vif_use_reserved_switch()
1695 			if (WARN_ON(link->reserved_chanctx != ctx))  in ieee80211_vif_use_reserved_switch()
1698 			if (!link->reserved_ready)  in ieee80211_vif_use_reserved_switch()
1701 			if (ieee80211_link_get_chanctx(link))  in ieee80211_vif_use_reserved_switch()
1702 				err = ieee80211_link_use_reserved_reassign(link);  in ieee80211_vif_use_reserved_switch()
1704 				err = ieee80211_link_use_reserved_assign(link);  in ieee80211_vif_use_reserved_switch()
1707 				link_info(link,  in ieee80211_vif_use_reserved_switch()
1710 				ieee80211_link_unreserve_chanctx(link);  in ieee80211_vif_use_reserved_switch()
1712 						    &link->sdata->wdev,  in ieee80211_vif_use_reserved_switch()
1738 		struct ieee80211_link_data *link, *link_tmp;  in ieee80211_vif_use_reserved_switch()  local
1743 		list_for_each_entry_safe(link, link_tmp, &ctx->reserved_links,  in ieee80211_vif_use_reserved_switch()
1745 			ieee80211_link_unreserve_chanctx(link);  in ieee80211_vif_use_reserved_switch()
1746 			ieee80211_link_chanctx_reservation_complete(link);  in ieee80211_vif_use_reserved_switch()
1753 static void __ieee80211_link_release_channel(struct ieee80211_link_data *link)  in __ieee80211_link_release_channel()  argument
1755 	struct ieee80211_sub_if_data *sdata = link->sdata;  in __ieee80211_link_release_channel()
1756 	struct ieee80211_bss_conf *link_conf = link->conf;  in __ieee80211_link_release_channel()
1771 	if (link->reserved_chanctx) {  in __ieee80211_link_release_channel()
1772 		if (link->reserved_chanctx->replace_state == IEEE80211_CHANCTX_REPLACES_OTHER &&  in __ieee80211_link_release_channel()
1773 		    ieee80211_chanctx_num_reserved(local, link->reserved_chanctx) > 1)  in __ieee80211_link_release_channel()
1776 		ieee80211_link_unreserve_chanctx(link);  in __ieee80211_link_release_channel()
1779 	ieee80211_assign_link_chanctx(link, NULL);  in __ieee80211_link_release_channel()
1783 	link->radar_required = false;  in __ieee80211_link_release_channel()
1790 int ieee80211_link_use_channel(struct ieee80211_link_data *link,  in ieee80211_link_use_channel()  argument
1794 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_use_channel()
1803 	    !(sdata->vif.active_links & BIT(link->link_id))) {  in ieee80211_link_use_channel()
1804 		ieee80211_link_update_chandef(link, chandef);  in ieee80211_link_use_channel()
1818 	link->radar_required = ret;  in ieee80211_link_use_channel()
1825 	__ieee80211_link_release_channel(link);  in ieee80211_link_use_channel()
1835 	ieee80211_link_update_chandef(link, chandef);  in ieee80211_link_use_channel()
1837 	ret = ieee80211_assign_link_chanctx(link, ctx);  in ieee80211_link_use_channel()
1849 		link->radar_required = false;  in ieee80211_link_use_channel()
1855 int ieee80211_link_use_reserved_context(struct ieee80211_link_data *link)  in ieee80211_link_use_reserved_context()  argument
1857 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_use_reserved_context()
1866 	new_ctx = link->reserved_chanctx;  in ieee80211_link_use_reserved_context()
1867 	old_ctx = ieee80211_link_get_chanctx(link);  in ieee80211_link_use_reserved_context()
1876 	if (WARN_ON(link->reserved_ready))  in ieee80211_link_use_reserved_context()
1879 	link->reserved_ready = true;  in ieee80211_link_use_reserved_context()
1883 			return ieee80211_link_use_reserved_reassign(link);  in ieee80211_link_use_reserved_context()
1885 		return ieee80211_link_use_reserved_assign(link);  in ieee80211_link_use_reserved_context()
1917 int ieee80211_link_change_bandwidth(struct ieee80211_link_data *link,  in ieee80211_link_change_bandwidth()  argument
1921 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_change_bandwidth()
1922 	struct ieee80211_bss_conf *link_conf = link->conf;  in ieee80211_link_change_bandwidth()
1980 	ieee80211_link_update_chandef(link, chandef);  in ieee80211_link_change_bandwidth()
1991 void ieee80211_link_release_channel(struct ieee80211_link_data *link)  in ieee80211_link_release_channel()  argument
1993 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_release_channel()
1996 	if (rcu_access_pointer(link->conf->chanctx_conf)) {  in ieee80211_link_release_channel()
1998 		__ieee80211_link_release_channel(link);  in ieee80211_link_release_channel()
2003 void ieee80211_link_vlan_copy_chanctx(struct ieee80211_link_data *link)  in ieee80211_link_vlan_copy_chanctx()  argument
2005 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_link_vlan_copy_chanctx()
2006 	unsigned int link_id = link->link_id;  in ieee80211_link_vlan_copy_chanctx()
2007 	struct ieee80211_bss_conf *link_conf = link->conf;  in ieee80211_link_vlan_copy_chanctx()