49 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);  in ieee80211_change_mtu()  local
51 	meshhdrlen = (sdata->vif.type == NL80211_IFTYPE_MESH_POINT) ? 5 : 0;  in ieee80211_change_mtu()
69 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);  in ieee80211_change_mac()  local
73 	if (ieee80211_sdata_running(sdata))  in ieee80211_change_mac()
79 		memcpy(sdata->vif.addr, sa->sa_data, ETH_ALEN);  in ieee80211_change_mac()
98 static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata,  in ieee80211_check_concurrent_iface()  argument
101 	struct ieee80211_local *local = sdata->local;  in ieee80211_check_concurrent_iface()
103 	struct net_device *dev = sdata->dev;  in ieee80211_check_concurrent_iface()
145 				sdata->bss = &nsdata->u.ap;  in ieee80211_check_concurrent_iface()
152 void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,  in ieee80211_adjust_monitor_flags()  argument
155 	struct ieee80211_local *local = sdata->local;  in ieee80211_adjust_monitor_flags()
156 	u32 flags = sdata->u.mntr_flags;  in ieee80211_adjust_monitor_flags()
179 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);  in ieee80211_do_open()  local
180 	struct ieee80211_local *local = sdata->local;  in ieee80211_do_open()
186 	switch (sdata->vif.type) {  in ieee80211_do_open()
188 		if (!is_valid_ether_addr(sdata->u.wds.remote_addr))  in ieee80211_do_open()
192 		if (!sdata->bss)  in ieee80211_do_open()
194 		list_add(&sdata->u.vlan.list, &sdata->bss->vlans);  in ieee80211_do_open()
197 		sdata->bss = &sdata->u.ap;  in ieee80211_do_open()
244 	switch (sdata->vif.type) {  in ieee80211_do_open()
249 		if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) {  in ieee80211_do_open()
261 		ieee80211_adjust_monitor_flags(sdata, 1);  in ieee80211_do_open()
268 			res = drv_add_interface(local, &sdata->vif);  in ieee80211_do_open()
273 		if (sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_do_open()
278 		} else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {  in ieee80211_do_open()
282 		changed |= ieee80211_reset_erp_info(sdata);  in ieee80211_do_open()
283 		ieee80211_bss_info_change_notify(sdata, changed);  in ieee80211_do_open()
285 		if (sdata->vif.type == NL80211_IFTYPE_STATION)  in ieee80211_do_open()
291 	set_bit(SDATA_STATE_RUNNING, &sdata->state);  in ieee80211_do_open()
293 	if (sdata->vif.type == NL80211_IFTYPE_WDS) {  in ieee80211_do_open()
295 		sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,  in ieee80211_do_open()
319 	if (sdata->flags & IEEE80211_SDATA_ALLMULTI)  in ieee80211_do_open()
322 	if (sdata->flags & IEEE80211_SDATA_PROMISC)  in ieee80211_do_open()
339 		ieee80211_set_wmm_default(sdata);  in ieee80211_do_open()
348 	drv_remove_interface(local, &sdata->vif);  in ieee80211_do_open()
353 	sdata->bss = NULL;  in ieee80211_do_open()
354 	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)  in ieee80211_do_open()
355 		list_del(&sdata->u.vlan.list);  in ieee80211_do_open()
356 	clear_bit(SDATA_STATE_RUNNING, &sdata->state);  in ieee80211_do_open()
362 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);  in ieee80211_open()  local
370 	err = ieee80211_check_concurrent_iface(sdata, sdata->vif.type);  in ieee80211_open()
377 static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,  in ieee80211_do_stop()  argument
380 	struct ieee80211_local *local = sdata->local;  in ieee80211_do_stop()
387 	if (local->scan_sdata == sdata)  in ieee80211_do_stop()
390 	clear_bit(SDATA_STATE_RUNNING, &sdata->state);  in ieee80211_do_stop()
395 	netif_tx_stop_all_queues(sdata->dev);  in ieee80211_do_stop()
400 	ieee80211_work_purge(sdata);  in ieee80211_do_stop()
416 	sta_info_flush(local, sdata);  in ieee80211_do_stop()
424 	if (sdata->flags & IEEE80211_SDATA_ALLMULTI)  in ieee80211_do_stop()
427 	if (sdata->flags & IEEE80211_SDATA_PROMISC)  in ieee80211_do_stop()
430 	if (sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_do_stop()
433 	} else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {  in ieee80211_do_stop()
437 	netif_addr_lock_bh(sdata->dev);  in ieee80211_do_stop()
439 	__hw_addr_unsync(&local->mc_list, &sdata->dev->mc,  in ieee80211_do_stop()
440 			 sdata->dev->addr_len);  in ieee80211_do_stop()
442 	netif_addr_unlock_bh(sdata->dev);  in ieee80211_do_stop()
450 	if (sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_do_stop()
452 		struct beacon_data *old_beacon = sdata->u.ap.beacon;  in ieee80211_do_stop()
455 		ieee80211_bss_info_change_notify(sdata,  in ieee80211_do_stop()
459 		rcu_assign_pointer(sdata->u.ap.beacon, NULL);  in ieee80211_do_stop()
464 		while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {  in ieee80211_do_stop()
470 		list_for_each_entry_safe(vlan, tmpsdata, &sdata->u.ap.vlans,  in ieee80211_do_stop()
473 		WARN_ON(!list_empty(&sdata->u.ap.vlans));  in ieee80211_do_stop()
479 	switch (sdata->vif.type) {  in ieee80211_do_stop()
481 		list_del(&sdata->u.vlan.list);  in ieee80211_do_stop()
485 		if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) {  in ieee80211_do_stop()
496 		ieee80211_adjust_monitor_flags(sdata, -1);  in ieee80211_do_stop()
500 		flush_work(&sdata->work);  in ieee80211_do_stop()
508 		skb_queue_purge(&sdata->skb_queue);  in ieee80211_do_stop()
514 		if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT)  in ieee80211_do_stop()
515 			ieee80211_bss_info_change_notify(sdata,  in ieee80211_do_stop()
522 		ieee80211_free_keys(sdata);  in ieee80211_do_stop()
525 			drv_remove_interface(local, &sdata->vif);  in ieee80211_do_stop()
528 	sdata->bss = NULL;  in ieee80211_do_stop()
560 			if (info->control.vif == &sdata->vif) {  in ieee80211_do_stop()
571 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);  in ieee80211_stop()  local
573 	ieee80211_do_stop(sdata, true);  in ieee80211_stop()
580 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);  in ieee80211_set_multicast_list()  local
581 	struct ieee80211_local *local = sdata->local;  in ieee80211_set_multicast_list()
586 	sdata_allmulti = !!(sdata->flags & IEEE80211_SDATA_ALLMULTI);  in ieee80211_set_multicast_list()
587 	sdata_promisc = !!(sdata->flags & IEEE80211_SDATA_PROMISC);  in ieee80211_set_multicast_list()
594 		sdata->flags ^= IEEE80211_SDATA_ALLMULTI;  in ieee80211_set_multicast_list()
602 		sdata->flags ^= IEEE80211_SDATA_PROMISC;  in ieee80211_set_multicast_list()
616 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);  in ieee80211_teardown_sdata()  local
617 	struct ieee80211_local *local = sdata->local;  in ieee80211_teardown_sdata()
622 	ieee80211_free_keys(sdata);  in ieee80211_teardown_sdata()
624 	ieee80211_debugfs_remove_netdev(sdata);  in ieee80211_teardown_sdata()
627 		__skb_queue_purge(&sdata->fragments[i].skb_list);  in ieee80211_teardown_sdata()
628 	sdata->fragment_next = 0;  in ieee80211_teardown_sdata()
630 	if (ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_teardown_sdata()
631 		mesh_rmc_free(sdata);  in ieee80211_teardown_sdata()
633 	flushed = sta_info_flush(local, sdata);  in ieee80211_teardown_sdata()
657 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);  in ieee80211_monitor_select_queue()  local
658 	struct ieee80211_local *local = sdata->local;  in ieee80211_monitor_select_queue()
707 	struct ieee80211_sub_if_data *sdata =  in ieee80211_iface_work()  local
709 	struct ieee80211_local *local = sdata->local;  in ieee80211_iface_work()
714 	if (!ieee80211_sdata_running(sdata))  in ieee80211_iface_work()
729 	while ((skb = skb_dequeue(&sdata->skb_queue))) {  in ieee80211_iface_work()
734 			ieee80211_start_tx_ba_cb(&sdata->vif, ra_tid->ra,  in ieee80211_iface_work()
738 			ieee80211_stop_tx_ba_cb(&sdata->vif, ra_tid->ra,  in ieee80211_iface_work()
745 			sta = sta_info_get_bss(sdata, mgmt->sa);  in ieee80211_iface_work()
757 					ieee80211_process_delba(sdata, sta,  in ieee80211_iface_work()
786 			sta = sta_info_get_bss(sdata, mgmt->sa);  in ieee80211_iface_work()
797 		} else switch (sdata->vif.type) {  in ieee80211_iface_work()
799 			ieee80211_sta_rx_queued_mgmt(sdata, skb);  in ieee80211_iface_work()
802 			ieee80211_ibss_rx_queued_mgmt(sdata, skb);  in ieee80211_iface_work()
805 			if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_iface_work()
807 			ieee80211_mesh_rx_queued_mgmt(sdata, skb);  in ieee80211_iface_work()
818 	switch (sdata->vif.type) {  in ieee80211_iface_work()
820 		ieee80211_sta_work(sdata);  in ieee80211_iface_work()
823 		ieee80211_ibss_work(sdata);  in ieee80211_iface_work()
826 		if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_iface_work()
828 		ieee80211_mesh_work(sdata);  in ieee80211_iface_work()
839 static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,  in ieee80211_setup_sdata()  argument
843 	memset(&sdata->u, 0, sizeof(sdata->u));  in ieee80211_setup_sdata()
846 	sdata->vif.type = type;  in ieee80211_setup_sdata()
847 	sdata->vif.p2p = false;  in ieee80211_setup_sdata()
848 	sdata->dev->netdev_ops = &ieee80211_dataif_ops;  in ieee80211_setup_sdata()
849 	sdata->wdev.iftype = type;  in ieee80211_setup_sdata()
851 	sdata->control_port_protocol = cpu_to_be16(ETH_P_PAE);  in ieee80211_setup_sdata()
852 	sdata->control_port_no_encrypt = false;  in ieee80211_setup_sdata()
855 	sdata->dev->type = ARPHRD_ETHER;  in ieee80211_setup_sdata()
857 	skb_queue_head_init(&sdata->skb_queue);  in ieee80211_setup_sdata()
858 	INIT_WORK(&sdata->work, ieee80211_iface_work);  in ieee80211_setup_sdata()
863 		sdata->vif.type = type;  in ieee80211_setup_sdata()
864 		sdata->vif.p2p = true;  in ieee80211_setup_sdata()
867 		skb_queue_head_init(&sdata->u.ap.ps_bc_buf);  in ieee80211_setup_sdata()
868 		INIT_LIST_HEAD(&sdata->u.ap.vlans);  in ieee80211_setup_sdata()
872 		sdata->vif.type = type;  in ieee80211_setup_sdata()
873 		sdata->vif.p2p = true;  in ieee80211_setup_sdata()
876 		ieee80211_sta_setup_sdata(sdata);  in ieee80211_setup_sdata()
879 		ieee80211_ibss_setup_sdata(sdata);  in ieee80211_setup_sdata()
882 		if (ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_setup_sdata()
883 			ieee80211_mesh_init_sdata(sdata);  in ieee80211_setup_sdata()
886 		sdata->dev->type = ARPHRD_IEEE80211_RADIOTAP;  in ieee80211_setup_sdata()
887 		sdata->dev->netdev_ops = &ieee80211_monitorif_ops;  in ieee80211_setup_sdata()
888 		sdata->u.mntr_flags = MONITOR_FLAG_CONTROL |  in ieee80211_setup_sdata()
900 	ieee80211_debugfs_add_netdev(sdata);  in ieee80211_setup_sdata()
903 static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,  in ieee80211_runtime_change_iftype()  argument
906 	struct ieee80211_local *local = sdata->local;  in ieee80211_runtime_change_iftype()
916 	switch (sdata->vif.type) {  in ieee80211_runtime_change_iftype()
954 	ret = ieee80211_check_concurrent_iface(sdata, internal_type);  in ieee80211_runtime_change_iftype()
958 	ieee80211_do_stop(sdata, false);  in ieee80211_runtime_change_iftype()
960 	ieee80211_teardown_sdata(sdata->dev);  in ieee80211_runtime_change_iftype()
962 	ret = drv_change_interface(local, sdata, internal_type, p2p);  in ieee80211_runtime_change_iftype()
964 		type = sdata->vif.type;  in ieee80211_runtime_change_iftype()
966 	ieee80211_setup_sdata(sdata, type);  in ieee80211_runtime_change_iftype()
968 	err = ieee80211_do_open(sdata->dev, false);  in ieee80211_runtime_change_iftype()
974 int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,  in ieee80211_if_change_type()  argument
981 	if (type == ieee80211_vif_type_p2p(&sdata->vif))  in ieee80211_if_change_type()
985 	if (sdata->local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS &&  in ieee80211_if_change_type()
989 	if (ieee80211_sdata_running(sdata)) {  in ieee80211_if_change_type()
990 		ret = ieee80211_runtime_change_iftype(sdata, type);  in ieee80211_if_change_type()
995 		ieee80211_teardown_sdata(sdata->dev);  in ieee80211_if_change_type()
996 		ieee80211_setup_sdata(sdata, type);  in ieee80211_if_change_type()
1000 	sdata->vif.bss_conf.basic_rates =  in ieee80211_if_change_type()
1001 		ieee80211_mandatory_rates(sdata->local,  in ieee80211_if_change_type()
1002 			sdata->local->hw.conf.channel->band);  in ieee80211_if_change_type()
1003 	sdata->drop_unencrypted = 0;  in ieee80211_if_change_type()
1005 		sdata->u.mgd.use_4addr = false;  in ieee80211_if_change_type()
1014 	struct ieee80211_sub_if_data *sdata;  in ieee80211_assign_perm_addr()  local
1037 		list_for_each_entry(sdata, &local->interfaces, list) {  in ieee80211_assign_perm_addr()
1038 			if (sdata->vif.type != NL80211_IFTYPE_AP)  in ieee80211_assign_perm_addr()
1040 			memcpy(dev->perm_addr, sdata->vif.addr, ETH_ALEN);  in ieee80211_assign_perm_addr()
1050 			list_for_each_entry(sdata, &local->interfaces, list) {  in ieee80211_assign_perm_addr()
1052 					   sdata->vif.addr, ETH_ALEN) == 0) {  in ieee80211_assign_perm_addr()
1101 			list_for_each_entry(sdata, &local->interfaces, list) {  in ieee80211_assign_perm_addr()
1102 				if (memcmp(tmp_addr, sdata->vif.addr,  in ieee80211_assign_perm_addr()
1127 	struct ieee80211_sub_if_data *sdata = NULL;  in ieee80211_if_add()  local
1132 	ndev = alloc_netdev_mq(sizeof(*sdata) + local->hw.vif_data_size,  in ieee80211_if_add()
1156 	sdata = netdev_priv(ndev);  in ieee80211_if_add()
1157 	ndev->ieee80211_ptr = &sdata->wdev;  in ieee80211_if_add()
1158 	memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);  in ieee80211_if_add()
1159 	memcpy(sdata->name, ndev->name, IFNAMSIZ);  in ieee80211_if_add()
1162 	sdata->wdev.wiphy = local->hw.wiphy;  in ieee80211_if_add()
1163 	sdata->local = local;  in ieee80211_if_add()
1164 	sdata->dev = ndev;  in ieee80211_if_add()
1166 	sdata->arp_filter_state = true;  in ieee80211_if_add()
1170 		skb_queue_head_init(&sdata->fragments[i].skb_list);  in ieee80211_if_add()
1172 	INIT_LIST_HEAD(&sdata->key_list);  in ieee80211_if_add()
1177 		sdata->rc_rateidx_mask[i] =  in ieee80211_if_add()
1182 	ieee80211_setup_sdata(sdata, type);  in ieee80211_if_add()
1187 			sdata->u.mgd.use_4addr = params->use_4addr;  in ieee80211_if_add()
1195 	list_add_tail_rcu(&sdata->list, &local->interfaces);  in ieee80211_if_add()
1208 void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)  in ieee80211_if_remove()  argument
1212 	mutex_lock(&sdata->local->iflist_mtx);  in ieee80211_if_remove()
1213 	list_del_rcu(&sdata->list);  in ieee80211_if_remove()
1214 	mutex_unlock(&sdata->local->iflist_mtx);  in ieee80211_if_remove()
1217 	unregister_netdevice(sdata->dev);  in ieee80211_if_remove()
1226 	struct ieee80211_sub_if_data *sdata, *tmp;  in ieee80211_remove_interfaces()  local
1232 	list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {  in ieee80211_remove_interfaces()
1233 		list_del(&sdata->list);  in ieee80211_remove_interfaces()
1235 		unregister_netdevice_queue(sdata->dev, &unreg_list);  in ieee80211_remove_interfaces()
1273 	struct ieee80211_sub_if_data *sdata;  in __ieee80211_recalc_idle()  local
1285 	list_for_each_entry(sdata, &local->interfaces, list) {  in __ieee80211_recalc_idle()
1286 		if (!ieee80211_sdata_running(sdata)) {  in __ieee80211_recalc_idle()
1287 			sdata->vif.bss_conf.idle = true;  in __ieee80211_recalc_idle()
1291 		sdata->old_idle = sdata->vif.bss_conf.idle;  in __ieee80211_recalc_idle()
1294 		if (sdata->vif.type == NL80211_IFTYPE_STATION &&  in __ieee80211_recalc_idle()
1295 		    !sdata->u.mgd.associated) {  in __ieee80211_recalc_idle()
1296 			sdata->vif.bss_conf.idle = true;  in __ieee80211_recalc_idle()
1300 		if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&  in __ieee80211_recalc_idle()
1301 		    !sdata->u.ibss.ssid_len) {  in __ieee80211_recalc_idle()
1302 			sdata->vif.bss_conf.idle = true;  in __ieee80211_recalc_idle()
1311 		wk->sdata->vif.bss_conf.idle = false;  in __ieee80211_recalc_idle()
1322 	list_for_each_entry(sdata, &local->interfaces, list) {  in __ieee80211_recalc_idle()
1323 		if (sdata->old_idle == sdata->vif.bss_conf.idle)  in __ieee80211_recalc_idle()
1325 		if (!ieee80211_sdata_running(sdata))  in __ieee80211_recalc_idle()
1327 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE);  in __ieee80211_recalc_idle()
1372 	struct ieee80211_sub_if_data *sdata;  in netdev_notify()  local
1383 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);  in netdev_notify()
1385 	memcpy(sdata->name, dev->name, IFNAMSIZ);  in netdev_notify()
1387 	ieee80211_debugfs_rename_netdev(sdata);  in netdev_notify()