33 void ieee80211_rx_bss_put(struct ieee80211_local *local,  in ieee80211_rx_bss_put()  argument
38 	cfg80211_put_bss(local->hw.wiphy,  in ieee80211_rx_bss_put()
60 ieee80211_bss_info_update(struct ieee80211_local *local,  in ieee80211_bss_info_update()  argument
73 	if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)  in ieee80211_bss_info_update()
75 	else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)  in ieee80211_bss_info_update()
76 		signal = (rx_status->signal * 100) / local->hw.max_signal;  in ieee80211_bss_info_update()
84 	cbss = cfg80211_inform_bss_width_frame(local->hw.wiphy, channel,  in ieee80211_bss_info_update()
154 			local->hw.wiphy->bands[rx_status->band];  in ieee80211_bss_info_update()
164 void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)  in ieee80211_scan_rx()  argument
180 	sdata1 = rcu_dereference(local->scan_sdata);  in ieee80211_scan_rx()
181 	sdata2 = rcu_dereference(local->sched_scan_sdata);  in ieee80211_scan_rx()
190 		scan_req = rcu_dereference(local->scan_req);  in ieee80211_scan_rx()
191 		sched_scan_req = rcu_dereference(local->sched_scan_req);  in ieee80211_scan_rx()
216 	channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);  in ieee80211_scan_rx()
221 	bss = ieee80211_bss_info_update(local, rx_status,  in ieee80211_scan_rx()
225 		ieee80211_rx_bss_put(local, bss);  in ieee80211_scan_rx()
247 static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)  in ieee80211_prep_hw_scan()  argument
254 	req = rcu_dereference_protected(local->scan_req,  in ieee80211_prep_hw_scan()
255 					lockdep_is_held(&local->mtx));  in ieee80211_prep_hw_scan()
257 	if (test_bit(SCAN_HW_CANCELLED, &local->scanning))  in ieee80211_prep_hw_scan()
260 	if (local->hw.flags & IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS) {  in ieee80211_prep_hw_scan()
262 			local->hw_scan_req->req.channels[i] = req->channels[i];  in ieee80211_prep_hw_scan()
269 			if (local->hw_scan_band == IEEE80211_NUM_BANDS)  in ieee80211_prep_hw_scan()
276 				    local->hw_scan_band)  in ieee80211_prep_hw_scan()
278 				local->hw_scan_req->req.channels[n_chans] =  in ieee80211_prep_hw_scan()
284 			local->hw_scan_band++;  in ieee80211_prep_hw_scan()
288 	local->hw_scan_req->req.n_channels = n_chans;  in ieee80211_prep_hw_scan()
291 	ielen = ieee80211_build_preq_ies(local,  in ieee80211_prep_hw_scan()
292 					 (u8 *)local->hw_scan_req->req.ie,  in ieee80211_prep_hw_scan()
293 					 local->hw_scan_ies_bufsize,  in ieee80211_prep_hw_scan()
294 					 &local->hw_scan_req->ies,  in ieee80211_prep_hw_scan()
297 	local->hw_scan_req->req.ie_len = ielen;  in ieee80211_prep_hw_scan()
298 	local->hw_scan_req->req.no_cck = req->no_cck;  in ieee80211_prep_hw_scan()
299 	ether_addr_copy(local->hw_scan_req->req.mac_addr, req->mac_addr);  in ieee80211_prep_hw_scan()
300 	ether_addr_copy(local->hw_scan_req->req.mac_addr_mask,  in ieee80211_prep_hw_scan()
308 	struct ieee80211_local *local = hw_to_local(hw);  in __ieee80211_scan_completed()  local
309 	bool hw_scan = local->ops->hw_scan;  in __ieee80211_scan_completed()
310 	bool was_scanning = local->scanning;  in __ieee80211_scan_completed()
315 	lockdep_assert_held(&local->mtx);  in __ieee80211_scan_completed()
323 	if (WARN_ON(!local->scanning && !aborted))  in __ieee80211_scan_completed()
326 	if (WARN_ON(!local->scan_req))  in __ieee80211_scan_completed()
330 	    !(local->hw.flags & IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS) &&  in __ieee80211_scan_completed()
331 	    ieee80211_prep_hw_scan(local)) {  in __ieee80211_scan_completed()
334 		rc = drv_hw_scan(local,  in __ieee80211_scan_completed()
335 			rcu_dereference_protected(local->scan_sdata,  in __ieee80211_scan_completed()
336 						  lockdep_is_held(&local->mtx)),  in __ieee80211_scan_completed()
337 			local->hw_scan_req);  in __ieee80211_scan_completed()
343 	kfree(local->hw_scan_req);  in __ieee80211_scan_completed()
344 	local->hw_scan_req = NULL;  in __ieee80211_scan_completed()
346 	scan_req = rcu_dereference_protected(local->scan_req,  in __ieee80211_scan_completed()
347 					     lockdep_is_held(&local->mtx));  in __ieee80211_scan_completed()
349 	if (scan_req != local->int_scan_req)  in __ieee80211_scan_completed()
351 	RCU_INIT_POINTER(local->scan_req, NULL);  in __ieee80211_scan_completed()
353 	scan_sdata = rcu_dereference_protected(local->scan_sdata,  in __ieee80211_scan_completed()
354 					       lockdep_is_held(&local->mtx));  in __ieee80211_scan_completed()
355 	RCU_INIT_POINTER(local->scan_sdata, NULL);  in __ieee80211_scan_completed()
357 	local->scanning = 0;  in __ieee80211_scan_completed()
358 	local->scan_chandef.chan = NULL;  in __ieee80211_scan_completed()
361 	ieee80211_hw_config(local, 0);  in __ieee80211_scan_completed()
364 		ieee80211_configure_filter(local);  in __ieee80211_scan_completed()
365 		drv_sw_scan_complete(local, scan_sdata);  in __ieee80211_scan_completed()
366 		ieee80211_offchannel_return(local);  in __ieee80211_scan_completed()
369 	ieee80211_recalc_idle(local);  in __ieee80211_scan_completed()
371 	ieee80211_mlme_notify_scan_completed(local);  in __ieee80211_scan_completed()
372 	ieee80211_ibss_notify_scan_completed(local);  in __ieee80211_scan_completed()
378 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in __ieee80211_scan_completed()
380 			ieee80211_queue_work(&sdata->local->hw, &sdata->work);  in __ieee80211_scan_completed()
384 		ieee80211_start_next_roc(local);  in __ieee80211_scan_completed()
389 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_scan_completed()  local
391 	trace_api_scan_completed(local, aborted);  in ieee80211_scan_completed()
393 	set_bit(SCAN_COMPLETED, &local->scanning);  in ieee80211_scan_completed()
395 		set_bit(SCAN_ABORTED, &local->scanning);  in ieee80211_scan_completed()
396 	ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0);  in ieee80211_scan_completed()
400 static int ieee80211_start_sw_scan(struct ieee80211_local *local,  in ieee80211_start_sw_scan()  argument
404 	if (local->use_chanctx)  in ieee80211_start_sw_scan()
420 	drv_sw_scan_start(local, sdata, local->scan_addr);  in ieee80211_start_sw_scan()
422 	local->leave_oper_channel_time = jiffies;  in ieee80211_start_sw_scan()
423 	local->next_scan_state = SCAN_DECISION;  in ieee80211_start_sw_scan()
424 	local->scan_channel_idx = 0;  in ieee80211_start_sw_scan()
426 	ieee80211_offchannel_stop_vifs(local);  in ieee80211_start_sw_scan()
429 	ieee80211_flush_queues(local, NULL, false);  in ieee80211_start_sw_scan()
431 	ieee80211_configure_filter(local);  in ieee80211_start_sw_scan()
434 	ieee80211_hw_config(local, 0);  in ieee80211_start_sw_scan()
436 	ieee80211_queue_delayed_work(&local->hw,  in ieee80211_start_sw_scan()
437 				     &local->scan_work, 0);  in ieee80211_start_sw_scan()
442 static bool ieee80211_can_scan(struct ieee80211_local *local,  in ieee80211_can_scan()  argument
445 	if (ieee80211_is_radar_required(local))  in ieee80211_can_scan()
448 	if (!list_empty(&local->roc_list))  in ieee80211_can_scan()
458 void ieee80211_run_deferred_scan(struct ieee80211_local *local)  in ieee80211_run_deferred_scan()  argument
460 	lockdep_assert_held(&local->mtx);  in ieee80211_run_deferred_scan()
462 	if (!local->scan_req || local->scanning)  in ieee80211_run_deferred_scan()
465 	if (!ieee80211_can_scan(local,  in ieee80211_run_deferred_scan()
467 					local->scan_sdata,  in ieee80211_run_deferred_scan()
468 					lockdep_is_held(&local->mtx))))  in ieee80211_run_deferred_scan()
471 	ieee80211_queue_delayed_work(&local->hw, &local->scan_work,  in ieee80211_run_deferred_scan()
475 static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,  in ieee80211_scan_state_send_probe()  argument
481 	enum ieee80211_band band = local->hw.conf.chandef.chan->band;  in ieee80211_scan_state_send_probe()
484 	scan_req = rcu_dereference_protected(local->scan_req,  in ieee80211_scan_state_send_probe()
485 					     lockdep_is_held(&local->mtx));  in ieee80211_scan_state_send_probe()
491 	sdata = rcu_dereference_protected(local->scan_sdata,  in ieee80211_scan_state_send_probe()
492 					  lockdep_is_held(&local->mtx));  in ieee80211_scan_state_send_probe()
496 			sdata, local->scan_addr, NULL,  in ieee80211_scan_state_send_probe()
500 			tx_flags, local->hw.conf.chandef.chan, true);  in ieee80211_scan_state_send_probe()
507 	local->next_scan_state = SCAN_DECISION;  in ieee80211_scan_state_send_probe()
513 	struct ieee80211_local *local = sdata->local;  in __ieee80211_start_scan()  local
516 	lockdep_assert_held(&local->mtx);  in __ieee80211_start_scan()
518 	if (local->scan_req || ieee80211_is_radar_required(local))  in __ieee80211_start_scan()
521 	if (!ieee80211_can_scan(local, sdata)) {  in __ieee80211_start_scan()
523 		rcu_assign_pointer(local->scan_req, req);  in __ieee80211_start_scan()
524 		rcu_assign_pointer(local->scan_sdata, sdata);  in __ieee80211_start_scan()
528 	if (local->ops->hw_scan) {  in __ieee80211_start_scan()
531 		local->hw_scan_ies_bufsize = local->scan_ies_len + req->ie_len;  in __ieee80211_start_scan()
533 		if (local->hw.flags & IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS) {  in __ieee80211_start_scan()
544 			local->hw_scan_ies_bufsize *= n_bands;  in __ieee80211_start_scan()
547 		local->hw_scan_req = kmalloc(  in __ieee80211_start_scan()
548 				sizeof(*local->hw_scan_req) +  in __ieee80211_start_scan()
550 				local->hw_scan_ies_bufsize, GFP_KERNEL);  in __ieee80211_start_scan()
551 		if (!local->hw_scan_req)  in __ieee80211_start_scan()
554 		local->hw_scan_req->req.ssids = req->ssids;  in __ieee80211_start_scan()
555 		local->hw_scan_req->req.n_ssids = req->n_ssids;  in __ieee80211_start_scan()
556 		ies = (u8 *)local->hw_scan_req +  in __ieee80211_start_scan()
557 			sizeof(*local->hw_scan_req) +  in __ieee80211_start_scan()
559 		local->hw_scan_req->req.ie = ies;  in __ieee80211_start_scan()
560 		local->hw_scan_req->req.flags = req->flags;  in __ieee80211_start_scan()
562 		local->hw_scan_band = 0;  in __ieee80211_start_scan()
573 	rcu_assign_pointer(local->scan_req, req);  in __ieee80211_start_scan()
574 	rcu_assign_pointer(local->scan_sdata, sdata);  in __ieee80211_start_scan()
577 		get_random_mask_addr(local->scan_addr,  in __ieee80211_start_scan()
581 		memcpy(local->scan_addr, sdata->vif.addr, ETH_ALEN);  in __ieee80211_start_scan()
583 	if (local->ops->hw_scan) {  in __ieee80211_start_scan()
584 		__set_bit(SCAN_HW_SCANNING, &local->scanning);  in __ieee80211_start_scan()
586 		   (req->channels[0] == local->_oper_chandef.chan)) {  in __ieee80211_start_scan()
593 		__set_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning);  in __ieee80211_start_scan()
595 		ieee80211_recalc_idle(local);  in __ieee80211_start_scan()
599 		drv_sw_scan_start(local, sdata, local->scan_addr);  in __ieee80211_start_scan()
601 		ieee80211_configure_filter(local); /* accept probe-responses */  in __ieee80211_start_scan()
604 		ieee80211_hw_config(local, 0);  in __ieee80211_start_scan()
611 			ieee80211_scan_state_send_probe(local, &next_delay);  in __ieee80211_start_scan()
616 		ieee80211_queue_delayed_work(&local->hw, &local->scan_work,  in __ieee80211_start_scan()
621 		__set_bit(SCAN_SW_SCANNING, &local->scanning);  in __ieee80211_start_scan()
624 	ieee80211_recalc_idle(local);  in __ieee80211_start_scan()
626 	if (local->ops->hw_scan) {  in __ieee80211_start_scan()
627 		WARN_ON(!ieee80211_prep_hw_scan(local));  in __ieee80211_start_scan()
628 		rc = drv_hw_scan(local, sdata, local->hw_scan_req);  in __ieee80211_start_scan()
630 		rc = ieee80211_start_sw_scan(local, sdata);  in __ieee80211_start_scan()
634 		kfree(local->hw_scan_req);  in __ieee80211_start_scan()
635 		local->hw_scan_req = NULL;  in __ieee80211_start_scan()
636 		local->scanning = 0;  in __ieee80211_start_scan()
638 		ieee80211_recalc_idle(local);  in __ieee80211_start_scan()
640 		local->scan_req = NULL;  in __ieee80211_start_scan()
641 		RCU_INIT_POINTER(local->scan_sdata, NULL);  in __ieee80211_start_scan()
659 static void ieee80211_scan_state_decision(struct ieee80211_local *local,  in ieee80211_scan_state_decision()  argument
675 	mutex_lock(&local->iflist_mtx);  in ieee80211_scan_state_decision()
676 	list_for_each_entry(sdata, &local->interfaces, list) {  in ieee80211_scan_state_decision()
691 	mutex_unlock(&local->iflist_mtx);  in ieee80211_scan_state_decision()
693 	scan_req = rcu_dereference_protected(local->scan_req,  in ieee80211_scan_state_decision()
694 					     lockdep_is_held(&local->mtx));  in ieee80211_scan_state_decision()
696 	next_chan = scan_req->channels[local->scan_channel_idx];  in ieee80211_scan_state_decision()
708 				 local->leave_oper_channel_time + HZ / 8);  in ieee80211_scan_state_decision()
721 	local->next_scan_state = next_scan_state;  in ieee80211_scan_state_decision()
726 static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,  in ieee80211_scan_state_set_channel()  argument
734 	scan_req = rcu_dereference_protected(local->scan_req,  in ieee80211_scan_state_set_channel()
735 					     lockdep_is_held(&local->mtx));  in ieee80211_scan_state_set_channel()
738 	chan = scan_req->channels[local->scan_channel_idx];  in ieee80211_scan_state_set_channel()
740 	local->scan_chandef.chan = chan;  in ieee80211_scan_state_set_channel()
741 	local->scan_chandef.center_freq1 = chan->center_freq;  in ieee80211_scan_state_set_channel()
742 	local->scan_chandef.center_freq2 = 0;  in ieee80211_scan_state_set_channel()
745 		local->scan_chandef.width = NL80211_CHAN_WIDTH_5;  in ieee80211_scan_state_set_channel()
748 		local->scan_chandef.width = NL80211_CHAN_WIDTH_10;  in ieee80211_scan_state_set_channel()
755 					&local->_oper_chandef);  in ieee80211_scan_state_set_channel()
756 		if (chan == local->_oper_chandef.chan &&  in ieee80211_scan_state_set_channel()
758 			local->scan_chandef = local->_oper_chandef;  in ieee80211_scan_state_set_channel()
760 			local->scan_chandef.width = NL80211_CHAN_WIDTH_20_NOHT;  in ieee80211_scan_state_set_channel()
764 	if (ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL))  in ieee80211_scan_state_set_channel()
768 	local->scan_channel_idx++;  in ieee80211_scan_state_set_channel()
772 		local->next_scan_state = SCAN_DECISION;  in ieee80211_scan_state_set_channel()
788 		local->next_scan_state = SCAN_DECISION;  in ieee80211_scan_state_set_channel()
794 	local->next_scan_state = SCAN_SEND_PROBE;  in ieee80211_scan_state_set_channel()
797 static void ieee80211_scan_state_suspend(struct ieee80211_local *local,  in ieee80211_scan_state_suspend()  argument
801 	local->scan_chandef.chan = NULL;  in ieee80211_scan_state_suspend()
802 	ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);  in ieee80211_scan_state_suspend()
805 	ieee80211_offchannel_return(local);  in ieee80211_scan_state_suspend()
809 	local->next_scan_state = SCAN_RESUME;  in ieee80211_scan_state_suspend()
812 static void ieee80211_scan_state_resume(struct ieee80211_local *local,  in ieee80211_scan_state_resume()  argument
815 	ieee80211_offchannel_stop_vifs(local);  in ieee80211_scan_state_resume()
817 	if (local->ops->flush) {  in ieee80211_scan_state_resume()
818 		ieee80211_flush_queues(local, NULL, false);  in ieee80211_scan_state_resume()
824 	local->leave_oper_channel_time = jiffies;  in ieee80211_scan_state_resume()
827 	local->next_scan_state = SCAN_SET_CHANNEL;  in ieee80211_scan_state_resume()
832 	struct ieee80211_local *local =  in ieee80211_scan_work()  local
839 	mutex_lock(&local->mtx);  in ieee80211_scan_work()
841 	if (!ieee80211_can_run_worker(local)) {  in ieee80211_scan_work()
846 	sdata = rcu_dereference_protected(local->scan_sdata,  in ieee80211_scan_work()
847 					  lockdep_is_held(&local->mtx));  in ieee80211_scan_work()
848 	scan_req = rcu_dereference_protected(local->scan_req,  in ieee80211_scan_work()
849 					     lockdep_is_held(&local->mtx));  in ieee80211_scan_work()
852 	if (test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) {  in ieee80211_scan_work()
853 		aborted = test_and_clear_bit(SCAN_ABORTED, &local->scanning);  in ieee80211_scan_work()
857 	if (test_and_clear_bit(SCAN_COMPLETED, &local->scanning)) {  in ieee80211_scan_work()
858 		aborted = test_and_clear_bit(SCAN_ABORTED, &local->scanning);  in ieee80211_scan_work()
865 	if (!local->scanning) {  in ieee80211_scan_work()
868 		RCU_INIT_POINTER(local->scan_req, NULL);  in ieee80211_scan_work()
869 		RCU_INIT_POINTER(local->scan_sdata, NULL);  in ieee80211_scan_work()
874 			rcu_assign_pointer(local->scan_req, scan_req);  in ieee80211_scan_work()
891 		switch (local->next_scan_state) {  in ieee80211_scan_work()
894 			if (local->scan_channel_idx >= scan_req->n_channels) {  in ieee80211_scan_work()
898 			ieee80211_scan_state_decision(local, &next_delay);  in ieee80211_scan_work()
901 			ieee80211_scan_state_set_channel(local, &next_delay);  in ieee80211_scan_work()
904 			ieee80211_scan_state_send_probe(local, &next_delay);  in ieee80211_scan_work()
907 			ieee80211_scan_state_suspend(local, &next_delay);  in ieee80211_scan_work()
910 			ieee80211_scan_state_resume(local, &next_delay);  in ieee80211_scan_work()
918 	ieee80211_queue_delayed_work(&local->hw, &local->scan_work, next_delay);  in ieee80211_scan_work()
922 	__ieee80211_scan_completed(&local->hw, aborted);  in ieee80211_scan_work()
924 	mutex_unlock(&local->mtx);  in ieee80211_scan_work()
932 	mutex_lock(&sdata->local->mtx);  in ieee80211_request_scan()
934 	mutex_unlock(&sdata->local->mtx);  in ieee80211_request_scan()
945 	struct ieee80211_local *local = sdata->local;  in ieee80211_request_ibss_scan()  local
949 	mutex_lock(&local->mtx);  in ieee80211_request_ibss_scan()
952 	if (local->scan_req)  in ieee80211_request_ibss_scan()
960 			if (!local->hw.wiphy->bands[band])  in ieee80211_request_ibss_scan()
963 			max_n = local->hw.wiphy->bands[band]->n_channels;  in ieee80211_request_ibss_scan()
966 				    &local->hw.wiphy->bands[band]->channels[i];  in ieee80211_request_ibss_scan()
972 				local->int_scan_req->channels[n_ch] = tmp_ch;  in ieee80211_request_ibss_scan()
980 		local->int_scan_req->n_channels = n_ch;  in ieee80211_request_ibss_scan()
987 			local->int_scan_req->channels[n_ch] = channels[i];  in ieee80211_request_ibss_scan()
994 		local->int_scan_req->n_channels = n_ch;  in ieee80211_request_ibss_scan()
997 	local->int_scan_req->ssids = &local->scan_ssid;  in ieee80211_request_ibss_scan()
998 	local->int_scan_req->n_ssids = 1;  in ieee80211_request_ibss_scan()
999 	local->int_scan_req->scan_width = scan_width;  in ieee80211_request_ibss_scan()
1000 	memcpy(local->int_scan_req->ssids[0].ssid, ssid, IEEE80211_MAX_SSID_LEN);  in ieee80211_request_ibss_scan()
1001 	local->int_scan_req->ssids[0].ssid_len = ssid_len;  in ieee80211_request_ibss_scan()
1003 	ret = __ieee80211_start_scan(sdata, sdata->local->int_scan_req);  in ieee80211_request_ibss_scan()
1005 	mutex_unlock(&local->mtx);  in ieee80211_request_ibss_scan()
1012 void ieee80211_scan_cancel(struct ieee80211_local *local)  in ieee80211_scan_cancel()  argument
1032 	mutex_lock(&local->mtx);  in ieee80211_scan_cancel()
1033 	if (!local->scan_req)  in ieee80211_scan_cancel()
1041 	if (test_bit(SCAN_HW_SCANNING, &local->scanning) &&  in ieee80211_scan_cancel()
1042 	    test_bit(SCAN_COMPLETED, &local->scanning)) {  in ieee80211_scan_cancel()
1043 		set_bit(SCAN_HW_CANCELLED, &local->scanning);  in ieee80211_scan_cancel()
1047 	if (test_bit(SCAN_HW_SCANNING, &local->scanning)) {  in ieee80211_scan_cancel()
1052 		set_bit(SCAN_HW_CANCELLED, &local->scanning);  in ieee80211_scan_cancel()
1053 		if (local->ops->cancel_hw_scan)  in ieee80211_scan_cancel()
1054 			drv_cancel_hw_scan(local,  in ieee80211_scan_cancel()
1055 				rcu_dereference_protected(local->scan_sdata,  in ieee80211_scan_cancel()
1056 						lockdep_is_held(&local->mtx)));  in ieee80211_scan_cancel()
1065 	cancel_delayed_work(&local->scan_work);  in ieee80211_scan_cancel()
1067 	__ieee80211_scan_completed(&local->hw, true);  in ieee80211_scan_cancel()
1069 	mutex_unlock(&local->mtx);  in ieee80211_scan_cancel()
1075 	struct ieee80211_local *local = sdata->local;  in __ieee80211_request_sched_scan_start()  local
1084 	iebufsz = local->scan_ies_len + req->ie_len;  in __ieee80211_request_sched_scan_start()
1086 	lockdep_assert_held(&local->mtx);  in __ieee80211_request_sched_scan_start()
1088 	if (!local->ops->sched_scan_start)  in __ieee80211_request_sched_scan_start()
1092 		if (local->hw.wiphy->bands[i]) {  in __ieee80211_request_sched_scan_start()
1107 	len = ieee80211_build_preq_ies(local, ie, num_bands * iebufsz,  in __ieee80211_request_sched_scan_start()
1112 	ret = drv_sched_scan_start(local, sdata, req, &sched_scan_ies);  in __ieee80211_request_sched_scan_start()
1114 		rcu_assign_pointer(local->sched_scan_sdata, sdata);  in __ieee80211_request_sched_scan_start()
1115 		rcu_assign_pointer(local->sched_scan_req, req);  in __ieee80211_request_sched_scan_start()
1123 		RCU_INIT_POINTER(local->sched_scan_sdata, NULL);  in __ieee80211_request_sched_scan_start()
1124 		RCU_INIT_POINTER(local->sched_scan_req, NULL);  in __ieee80211_request_sched_scan_start()
1133 	struct ieee80211_local *local = sdata->local;  in ieee80211_request_sched_scan_start()  local
1136 	mutex_lock(&local->mtx);  in ieee80211_request_sched_scan_start()
1138 	if (rcu_access_pointer(local->sched_scan_sdata)) {  in ieee80211_request_sched_scan_start()
1139 		mutex_unlock(&local->mtx);  in ieee80211_request_sched_scan_start()
1145 	mutex_unlock(&local->mtx);  in ieee80211_request_sched_scan_start()
1151 	struct ieee80211_local *local = sdata->local;  in ieee80211_request_sched_scan_stop()  local
1154 	mutex_lock(&local->mtx);  in ieee80211_request_sched_scan_stop()
1156 	if (!local->ops->sched_scan_stop) {  in ieee80211_request_sched_scan_stop()
1162 	RCU_INIT_POINTER(local->sched_scan_req, NULL);  in ieee80211_request_sched_scan_stop()
1164 	if (rcu_access_pointer(local->sched_scan_sdata)) {  in ieee80211_request_sched_scan_stop()
1165 		ret = drv_sched_scan_stop(local, sdata);  in ieee80211_request_sched_scan_stop()
1167 			RCU_INIT_POINTER(local->sched_scan_sdata, NULL);  in ieee80211_request_sched_scan_stop()
1170 	mutex_unlock(&local->mtx);  in ieee80211_request_sched_scan_stop()
1177 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_sched_scan_results()  local
1179 	trace_api_sched_scan_results(local);  in ieee80211_sched_scan_results()
1185 void ieee80211_sched_scan_end(struct ieee80211_local *local)  in ieee80211_sched_scan_end()  argument
1187 	mutex_lock(&local->mtx);  in ieee80211_sched_scan_end()
1189 	if (!rcu_access_pointer(local->sched_scan_sdata)) {  in ieee80211_sched_scan_end()
1190 		mutex_unlock(&local->mtx);  in ieee80211_sched_scan_end()
1194 	RCU_INIT_POINTER(local->sched_scan_sdata, NULL);  in ieee80211_sched_scan_end()
1197 	RCU_INIT_POINTER(local->sched_scan_req, NULL);  in ieee80211_sched_scan_end()
1199 	mutex_unlock(&local->mtx);  in ieee80211_sched_scan_end()
1201 	cfg80211_sched_scan_stopped(local->hw.wiphy);  in ieee80211_sched_scan_end()
1206 	struct ieee80211_local *local =  in ieee80211_sched_scan_stopped_work()  local
1210 	ieee80211_sched_scan_end(local);  in ieee80211_sched_scan_stopped_work()
1215 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_sched_scan_stopped()  local
1217 	trace_api_sched_scan_stopped(local);  in ieee80211_sched_scan_stopped()
1219 	schedule_work(&local->sched_scan_stopped_work);  in ieee80211_sched_scan_stopped()