56 	struct cfg80211_registered_device *result = NULL, *rdev;  in cfg80211_rdev_by_wiphy_idx()  local
60 	list_for_each_entry(rdev, &cfg80211_rdev_list, list) {  in cfg80211_rdev_by_wiphy_idx()
61 		if (rdev->wiphy_idx == wiphy_idx) {  in cfg80211_rdev_by_wiphy_idx()
62 			result = rdev;  in cfg80211_rdev_by_wiphy_idx()
72 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);  in get_wiphy_idx()  local
74 	return rdev->wiphy_idx;  in get_wiphy_idx()
79 	struct cfg80211_registered_device *rdev;  in wiphy_idx_to_wiphy()  local
83 	rdev = cfg80211_rdev_by_wiphy_idx(wiphy_idx);  in wiphy_idx_to_wiphy()
84 	if (!rdev)  in wiphy_idx_to_wiphy()
86 	return &rdev->wiphy;  in wiphy_idx_to_wiphy()
89 static int cfg80211_dev_check_name(struct cfg80211_registered_device *rdev,  in cfg80211_dev_check_name()  argument
99 	if (taken == strlen(newname) && wiphy_idx != rdev->wiphy_idx) {  in cfg80211_dev_check_name()
120 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,  in cfg80211_dev_rename()  argument
128 	if (strcmp(newname, wiphy_name(&rdev->wiphy)) == 0)  in cfg80211_dev_rename()
131 	result = cfg80211_dev_check_name(rdev, newname);  in cfg80211_dev_rename()
135 	result = device_rename(&rdev->wiphy.dev, newname);  in cfg80211_dev_rename()
139 	if (rdev->wiphy.debugfsdir &&  in cfg80211_dev_rename()
140 	    !debugfs_rename(rdev->wiphy.debugfsdir->d_parent,  in cfg80211_dev_rename()
141 			    rdev->wiphy.debugfsdir,  in cfg80211_dev_rename()
142 			    rdev->wiphy.debugfsdir->d_parent,  in cfg80211_dev_rename()
146 	nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);  in cfg80211_dev_rename()
151 int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,  in cfg80211_switch_netns()  argument
157 	if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK))  in cfg80211_switch_netns()
160 	list_for_each_entry(wdev, &rdev->wdev_list, list) {  in cfg80211_switch_netns()
172 		net = wiphy_net(&rdev->wiphy);  in cfg80211_switch_netns()
174 		list_for_each_entry_continue_reverse(wdev, &rdev->wdev_list,  in cfg80211_switch_netns()
188 	wiphy_net_set(&rdev->wiphy, net);  in cfg80211_switch_netns()
190 	err = device_rename(&rdev->wiphy.dev, dev_name(&rdev->wiphy.dev));  in cfg80211_switch_netns()
198 	struct cfg80211_registered_device *rdev = data;  in cfg80211_rfkill_poll()  local
200 	rdev_rfkill_poll(rdev);  in cfg80211_rfkill_poll()
203 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,  in cfg80211_stop_p2p_device()  argument
214 	rdev_stop_p2p_device(rdev, wdev);  in cfg80211_stop_p2p_device()
217 	rdev->opencount--;  in cfg80211_stop_p2p_device()
219 	if (rdev->scan_req && rdev->scan_req->wdev == wdev) {  in cfg80211_stop_p2p_device()
220 		if (WARN_ON(!rdev->scan_req->notified))  in cfg80211_stop_p2p_device()
221 			rdev->scan_req->aborted = true;  in cfg80211_stop_p2p_device()
222 		___cfg80211_scan_done(rdev, false);  in cfg80211_stop_p2p_device()
228 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);  in cfg80211_shutdown_all_interfaces()  local
233 	list_for_each_entry(wdev, &rdev->wdev_list, list) {  in cfg80211_shutdown_all_interfaces()
241 			cfg80211_stop_p2p_device(rdev, wdev);  in cfg80211_shutdown_all_interfaces()
252 	struct cfg80211_registered_device *rdev = data;  in cfg80211_rfkill_set_block()  local
258 	cfg80211_shutdown_all_interfaces(&rdev->wiphy);  in cfg80211_rfkill_set_block()
266 	struct cfg80211_registered_device *rdev;  in cfg80211_rfkill_sync_work()  local
268 	rdev = container_of(work, struct cfg80211_registered_device, rfkill_sync);  in cfg80211_rfkill_sync_work()
269 	cfg80211_rfkill_set_block(rdev, rfkill_blocked(rdev->rfkill));  in cfg80211_rfkill_sync_work()
274 	struct cfg80211_registered_device *rdev;  in cfg80211_event_work()  local
276 	rdev = container_of(work, struct cfg80211_registered_device,  in cfg80211_event_work()
280 	cfg80211_process_rdev_events(rdev);  in cfg80211_event_work()
284 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev)  in cfg80211_destroy_ifaces()  argument
290 	spin_lock_irq(&rdev->destroy_list_lock);  in cfg80211_destroy_ifaces()
291 	while ((item = list_first_entry_or_null(&rdev->destroy_list,  in cfg80211_destroy_ifaces()
299 		spin_unlock_irq(&rdev->destroy_list_lock);  in cfg80211_destroy_ifaces()
301 		list_for_each_entry_safe(wdev, tmp, &rdev->wdev_list, list) {  in cfg80211_destroy_ifaces()
303 				rdev_del_virtual_intf(rdev, wdev);  in cfg80211_destroy_ifaces()
306 		spin_lock_irq(&rdev->destroy_list_lock);  in cfg80211_destroy_ifaces()
308 	spin_unlock_irq(&rdev->destroy_list_lock);  in cfg80211_destroy_ifaces()
313 	struct cfg80211_registered_device *rdev;  in cfg80211_destroy_iface_wk()  local
315 	rdev = container_of(work, struct cfg80211_registered_device,  in cfg80211_destroy_iface_wk()
319 	cfg80211_destroy_ifaces(rdev);  in cfg80211_destroy_iface_wk()
325 	struct cfg80211_registered_device *rdev;  in cfg80211_sched_scan_stop_wk()  local
327 	rdev = container_of(work, struct cfg80211_registered_device,  in cfg80211_sched_scan_stop_wk()
332 	__cfg80211_stop_sched_scan(rdev, false);  in cfg80211_sched_scan_stop_wk()
344 	struct cfg80211_registered_device *rdev;  in wiphy_new_nm()  local
356 	alloc_size = sizeof(*rdev) + sizeof_priv;  in wiphy_new_nm()
358 	rdev = kzalloc(alloc_size, GFP_KERNEL);  in wiphy_new_nm()
359 	if (!rdev)  in wiphy_new_nm()
362 	rdev->ops = ops;  in wiphy_new_nm()
364 	rdev->wiphy_idx = atomic_inc_return(&wiphy_counter);  in wiphy_new_nm()
366 	if (unlikely(rdev->wiphy_idx < 0)) {  in wiphy_new_nm()
369 		kfree(rdev);  in wiphy_new_nm()
374 	rdev->wiphy_idx--;  in wiphy_new_nm()
381 		rv = cfg80211_dev_check_name(rdev, requested_name);  in wiphy_new_nm()
388 		rv = dev_set_name(&rdev->wiphy.dev, "%s", requested_name);  in wiphy_new_nm()
400 		dev_set_name(&rdev->wiphy.dev, PHY_NAME "%d", rdev->wiphy_idx);  in wiphy_new_nm()
403 	INIT_LIST_HEAD(&rdev->wdev_list);  in wiphy_new_nm()
404 	INIT_LIST_HEAD(&rdev->beacon_registrations);  in wiphy_new_nm()
405 	spin_lock_init(&rdev->beacon_registrations_lock);  in wiphy_new_nm()
406 	spin_lock_init(&rdev->bss_lock);  in wiphy_new_nm()
407 	INIT_LIST_HEAD(&rdev->bss_list);  in wiphy_new_nm()
408 	INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);  in wiphy_new_nm()
409 	INIT_WORK(&rdev->sched_scan_results_wk, __cfg80211_sched_scan_results);  in wiphy_new_nm()
410 	INIT_LIST_HEAD(&rdev->mlme_unreg);  in wiphy_new_nm()
411 	spin_lock_init(&rdev->mlme_unreg_lock);  in wiphy_new_nm()
412 	INIT_WORK(&rdev->mlme_unreg_wk, cfg80211_mlme_unreg_wk);  in wiphy_new_nm()
413 	INIT_DELAYED_WORK(&rdev->dfs_update_channels_wk,  in wiphy_new_nm()
416 	rdev->wiphy.wext = &cfg80211_wext_handler;  in wiphy_new_nm()
419 	device_initialize(&rdev->wiphy.dev);  in wiphy_new_nm()
420 	rdev->wiphy.dev.class = &ieee80211_class;  in wiphy_new_nm()
421 	rdev->wiphy.dev.platform_data = rdev;  in wiphy_new_nm()
422 	device_enable_async_suspend(&rdev->wiphy.dev);  in wiphy_new_nm()
424 	INIT_LIST_HEAD(&rdev->destroy_list);  in wiphy_new_nm()
425 	spin_lock_init(&rdev->destroy_list_lock);  in wiphy_new_nm()
426 	INIT_WORK(&rdev->destroy_work, cfg80211_destroy_iface_wk);  in wiphy_new_nm()
427 	INIT_WORK(&rdev->sched_scan_stop_wk, cfg80211_sched_scan_stop_wk);  in wiphy_new_nm()
430 	rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;  in wiphy_new_nm()
433 	wiphy_net_set(&rdev->wiphy, &init_net);  in wiphy_new_nm()
435 	rdev->rfkill_ops.set_block = cfg80211_rfkill_set_block;  in wiphy_new_nm()
436 	rdev->rfkill = rfkill_alloc(dev_name(&rdev->wiphy.dev),  in wiphy_new_nm()
437 				   &rdev->wiphy.dev, RFKILL_TYPE_WLAN,  in wiphy_new_nm()
438 				   &rdev->rfkill_ops, rdev);  in wiphy_new_nm()
440 	if (!rdev->rfkill) {  in wiphy_new_nm()
441 		kfree(rdev);  in wiphy_new_nm()
445 	INIT_WORK(&rdev->rfkill_sync, cfg80211_rfkill_sync_work);  in wiphy_new_nm()
446 	INIT_WORK(&rdev->conn_work, cfg80211_conn_work);  in wiphy_new_nm()
447 	INIT_WORK(&rdev->event_work, cfg80211_event_work);  in wiphy_new_nm()
449 	init_waitqueue_head(&rdev->dev_wait);  in wiphy_new_nm()
456 	rdev->wiphy.retry_short = 7;  in wiphy_new_nm()
457 	rdev->wiphy.retry_long = 4;  in wiphy_new_nm()
458 	rdev->wiphy.frag_threshold = (u32) -1;  in wiphy_new_nm()
459 	rdev->wiphy.rts_threshold = (u32) -1;  in wiphy_new_nm()
460 	rdev->wiphy.coverage_class = 0;  in wiphy_new_nm()
462 	rdev->wiphy.max_num_csa_counters = 1;  in wiphy_new_nm()
464 	rdev->wiphy.max_sched_scan_plans = 1;  in wiphy_new_nm()
465 	rdev->wiphy.max_sched_scan_plan_interval = U32_MAX;  in wiphy_new_nm()
467 	return &rdev->wiphy;  in wiphy_new_nm()
548 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);  in wiphy_register()  local
567 		    (!rdev->ops->tdls_channel_switch ||  in wiphy_register()
568 		     !rdev->ops->tdls_cancel_channel_switch)))  in wiphy_register()
616 		     !rdev->ops->set_mac_acl)))  in wiphy_register()
687 	if (WARN_ON(rdev->wiphy.wowlan && rdev->wiphy.wowlan->n_patterns &&  in wiphy_register()
688 		    (!rdev->wiphy.wowlan->pattern_min_len ||  in wiphy_register()
689 		     rdev->wiphy.wowlan->pattern_min_len >  in wiphy_register()
690 				rdev->wiphy.wowlan->pattern_max_len)))  in wiphy_register()
697 	rdev->wiphy.features |= NL80211_FEATURE_SCAN_FLUSH;  in wiphy_register()
700 	res = device_add(&rdev->wiphy.dev);  in wiphy_register()
709 	list_add_rcu(&rdev->list, &cfg80211_rdev_list);  in wiphy_register()
713 	rdev->wiphy.debugfsdir =  in wiphy_register()
714 		debugfs_create_dir(wiphy_name(&rdev->wiphy),  in wiphy_register()
716 	if (IS_ERR(rdev->wiphy.debugfsdir))  in wiphy_register()
717 		rdev->wiphy.debugfsdir = NULL;  in wiphy_register()
719 	cfg80211_debugfs_rdev_add(rdev);  in wiphy_register()
720 	nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);  in wiphy_register()
733 	rdev->wiphy.registered = true;  in wiphy_register()
736 	res = rfkill_register(rdev->rfkill);  in wiphy_register()
738 		rfkill_destroy(rdev->rfkill);  in wiphy_register()
739 		rdev->rfkill = NULL;  in wiphy_register()
740 		wiphy_unregister(&rdev->wiphy);  in wiphy_register()
750 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);  in wiphy_rfkill_start_polling()  local
752 	if (!rdev->ops->rfkill_poll)  in wiphy_rfkill_start_polling()
754 	rdev->rfkill_ops.poll = cfg80211_rfkill_poll;  in wiphy_rfkill_start_polling()
755 	rfkill_resume_polling(rdev->rfkill);  in wiphy_rfkill_start_polling()
761 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);  in wiphy_rfkill_stop_polling()  local
763 	rfkill_pause_polling(rdev->rfkill);  in wiphy_rfkill_stop_polling()
769 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);  in wiphy_unregister()  local
771 	wait_event(rdev->dev_wait, ({  in wiphy_unregister()
774 		__count = rdev->opencount;  in wiphy_unregister()
778 	if (rdev->rfkill)  in wiphy_unregister()
779 		rfkill_unregister(rdev->rfkill);  in wiphy_unregister()
782 	nl80211_notify_wiphy(rdev, NL80211_CMD_DEL_WIPHY);  in wiphy_unregister()
783 	rdev->wiphy.registered = false;  in wiphy_unregister()
785 	WARN_ON(!list_empty(&rdev->wdev_list));  in wiphy_unregister()
791 	debugfs_remove_recursive(rdev->wiphy.debugfsdir);  in wiphy_unregister()
792 	list_del_rcu(&rdev->list);  in wiphy_unregister()
802 	device_del(&rdev->wiphy.dev);  in wiphy_unregister()
806 	flush_work(&rdev->scan_done_wk);  in wiphy_unregister()
807 	cancel_work_sync(&rdev->conn_work);  in wiphy_unregister()
808 	flush_work(&rdev->event_work);  in wiphy_unregister()
809 	cancel_delayed_work_sync(&rdev->dfs_update_channels_wk);  in wiphy_unregister()
810 	flush_work(&rdev->destroy_work);  in wiphy_unregister()
811 	flush_work(&rdev->sched_scan_stop_wk);  in wiphy_unregister()
812 	flush_work(&rdev->mlme_unreg_wk);  in wiphy_unregister()
815 	if (rdev->wiphy.wowlan_config && rdev->ops->set_wakeup)  in wiphy_unregister()
816 		rdev_set_wakeup(rdev, false);  in wiphy_unregister()
818 	cfg80211_rdev_free_wowlan(rdev);  in wiphy_unregister()
819 	cfg80211_rdev_free_coalesce(rdev);  in wiphy_unregister()
823 void cfg80211_dev_free(struct cfg80211_registered_device *rdev)  in cfg80211_dev_free()  argument
827 	rfkill_destroy(rdev->rfkill);  in cfg80211_dev_free()
828 	list_for_each_entry_safe(reg, treg, &rdev->beacon_registrations, list) {  in cfg80211_dev_free()
832 	list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list)  in cfg80211_dev_free()
833 		cfg80211_put_bss(&rdev->wiphy, &scan->pub);  in cfg80211_dev_free()
834 	kfree(rdev);  in cfg80211_dev_free()
845 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);  in wiphy_rfkill_set_hw_state()  local
847 	if (rfkill_set_hw_state(rdev->rfkill, blocked))  in wiphy_rfkill_set_hw_state()
848 		schedule_work(&rdev->rfkill_sync);  in wiphy_rfkill_set_hw_state()
854 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);  in cfg80211_unregister_wdev()  local
862 	rdev->devlist_generation++;  in cfg80211_unregister_wdev()
867 		cfg80211_stop_p2p_device(rdev, wdev);  in cfg80211_unregister_wdev()
880 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,  in cfg80211_update_iface_num()  argument
885 	rdev->num_running_ifaces += num;  in cfg80211_update_iface_num()
887 		rdev->num_running_monitor_ifaces += num;  in cfg80211_update_iface_num()
890 void __cfg80211_leave(struct cfg80211_registered_device *rdev,  in __cfg80211_leave()  argument
901 		__cfg80211_leave_ibss(rdev, dev, true);  in __cfg80211_leave()
905 		sched_scan_req = rtnl_dereference(rdev->sched_scan_req);  in __cfg80211_leave()
907 			__cfg80211_stop_sched_scan(rdev, false);  in __cfg80211_leave()
915 		cfg80211_disconnect(rdev, dev,  in __cfg80211_leave()
919 		__cfg80211_leave_mesh(rdev, dev);  in __cfg80211_leave()
923 		__cfg80211_stop_ap(rdev, dev, true);  in __cfg80211_leave()
926 		__cfg80211_leave_ocb(rdev, dev);  in __cfg80211_leave()
945 void cfg80211_leave(struct cfg80211_registered_device *rdev,  in cfg80211_leave()  argument
949 	__cfg80211_leave(rdev, wdev);  in cfg80211_leave()
956 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);  in cfg80211_stop_iface()  local
971 	queue_work(cfg80211_wq, &rdev->event_work);  in cfg80211_stop_iface()
980 	struct cfg80211_registered_device *rdev;  in cfg80211_netdev_notifier_call()  local
986 	rdev = wiphy_to_rdev(wdev->wiphy);  in cfg80211_netdev_notifier_call()
1006 		wdev->identifier = ++rdev->wdev_id;  in cfg80211_netdev_notifier_call()
1007 		list_add_rcu(&wdev->list, &rdev->wdev_list);  in cfg80211_netdev_notifier_call()
1008 		rdev->devlist_generation++;  in cfg80211_netdev_notifier_call()
1012 		if (sysfs_create_link(&dev->dev.kobj, &rdev->wiphy.dev.kobj,  in cfg80211_netdev_notifier_call()
1036 		cfg80211_leave(rdev, wdev);  in cfg80211_netdev_notifier_call()
1039 		cfg80211_update_iface_num(rdev, wdev->iftype, -1);  in cfg80211_netdev_notifier_call()
1040 		if (rdev->scan_req && rdev->scan_req->wdev == wdev) {  in cfg80211_netdev_notifier_call()
1041 			if (WARN_ON(!rdev->scan_req->notified))  in cfg80211_netdev_notifier_call()
1042 				rdev->scan_req->aborted = true;  in cfg80211_netdev_notifier_call()
1043 			___cfg80211_scan_done(rdev, false);  in cfg80211_netdev_notifier_call()
1046 		sched_scan_req = rtnl_dereference(rdev->sched_scan_req);  in cfg80211_netdev_notifier_call()
1049 			__cfg80211_stop_sched_scan(rdev, false);  in cfg80211_netdev_notifier_call()
1052 		rdev->opencount--;  in cfg80211_netdev_notifier_call()
1053 		wake_up(&rdev->dev_wait);  in cfg80211_netdev_notifier_call()
1056 		cfg80211_update_iface_num(rdev, wdev->iftype, 1);  in cfg80211_netdev_notifier_call()
1061 			cfg80211_ibss_wext_join(rdev, wdev);  in cfg80211_netdev_notifier_call()
1064 			cfg80211_mgd_wext_connect(rdev, wdev);  in cfg80211_netdev_notifier_call()
1078 					__cfg80211_join_mesh(rdev, dev,  in cfg80211_netdev_notifier_call()
1088 		rdev->opencount++;  in cfg80211_netdev_notifier_call()
1096 		    rdev->ops->set_power_mgmt)  in cfg80211_netdev_notifier_call()
1097 			if (rdev_set_power_mgmt(rdev, dev, wdev->ps,  in cfg80211_netdev_notifier_call()
1114 			rdev->devlist_generation++;  in cfg80211_netdev_notifier_call()
1143 		if (rfkill_blocked(rdev->rfkill))  in cfg80211_netdev_notifier_call()
1161 	struct cfg80211_registered_device *rdev;  in cfg80211_pernet_exit()  local
1164 	list_for_each_entry(rdev, &cfg80211_rdev_list, list) {  in cfg80211_pernet_exit()
1165 		if (net_eq(wiphy_net(&rdev->wiphy), net))  in cfg80211_pernet_exit()
1166 			WARN_ON(cfg80211_switch_netns(rdev, &init_net));  in cfg80211_pernet_exit()