27 	struct ieee80211_local *local = sdata->local;  in ieee80211_offchannel_ps_enable()  local
33 	del_timer_sync(&local->dynamic_ps_timer);  in ieee80211_offchannel_ps_enable()
37 	cancel_work_sync(&local->dynamic_ps_enable_work);  in ieee80211_offchannel_ps_enable()
39 	if (local->hw.conf.flags & IEEE80211_CONF_PS) {  in ieee80211_offchannel_ps_enable()
41 		local->hw.conf.flags &= ~IEEE80211_CONF_PS;  in ieee80211_offchannel_ps_enable()
42 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);  in ieee80211_offchannel_ps_enable()
46 	    !ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))  in ieee80211_offchannel_ps_enable()
57 		ieee80211_send_nullfunc(local, sdata, true);  in ieee80211_offchannel_ps_enable()
63 	struct ieee80211_local *local = sdata->local;  in ieee80211_offchannel_ps_disable()  local
65 	if (!local->ps_sdata)  in ieee80211_offchannel_ps_disable()
66 		ieee80211_send_nullfunc(local, sdata, false);  in ieee80211_offchannel_ps_disable()
67 	else if (local->hw.conf.dynamic_ps_timeout > 0) {  in ieee80211_offchannel_ps_disable()
74 		ieee80211_send_nullfunc(local, sdata, false);  in ieee80211_offchannel_ps_disable()
75 		mod_timer(&local->dynamic_ps_timer, jiffies +  in ieee80211_offchannel_ps_disable()
76 			  msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));  in ieee80211_offchannel_ps_disable()
83 void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local)  in ieee80211_offchannel_stop_vifs()  argument
87 	if (WARN_ON(local->use_chanctx))  in ieee80211_offchannel_stop_vifs()
99 	ieee80211_stop_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,  in ieee80211_offchannel_stop_vifs()
102 	ieee80211_flush_queues(local, NULL, false);  in ieee80211_offchannel_stop_vifs()
104 	mutex_lock(&local->iflist_mtx);  in ieee80211_offchannel_stop_vifs()
105 	list_for_each_entry(sdata, &local->interfaces, list) {  in ieee80211_offchannel_stop_vifs()
130 	mutex_unlock(&local->iflist_mtx);  in ieee80211_offchannel_stop_vifs()
133 void ieee80211_offchannel_return(struct ieee80211_local *local)  in ieee80211_offchannel_return()  argument
137 	if (WARN_ON(local->use_chanctx))  in ieee80211_offchannel_return()
140 	mutex_lock(&local->iflist_mtx);  in ieee80211_offchannel_return()
141 	list_for_each_entry(sdata, &local->interfaces, list) {  in ieee80211_offchannel_return()
164 	mutex_unlock(&local->iflist_mtx);  in ieee80211_offchannel_return()
166 	ieee80211_wake_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,  in ieee80211_offchannel_return()
178 		ieee80211_free_txskb(&roc->sdata->local->hw, roc->frame);  in ieee80211_roc_notify_destroy()
194 static unsigned long ieee80211_end_finished_rocs(struct ieee80211_local *local,  in ieee80211_end_finished_rocs()  argument
200 	lockdep_assert_held(&local->mtx);  in ieee80211_end_finished_rocs()
202 	list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {  in ieee80211_end_finished_rocs()
225 static bool ieee80211_recalc_sw_work(struct ieee80211_local *local,  in ieee80211_recalc_sw_work()  argument
228 	long dur = ieee80211_end_finished_rocs(local, now);  in ieee80211_recalc_sw_work()
233 	wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work, dur);  in ieee80211_recalc_sw_work()
263 	struct ieee80211_local *local =  in ieee80211_hw_roc_start()  local
267 	mutex_lock(&local->mtx);  in ieee80211_hw_roc_start()
269 	list_for_each_entry(roc, &local->roc_list, list) {  in ieee80211_hw_roc_start()
274 		ieee80211_handle_roc_started(roc, local->hw_roc_start_time);  in ieee80211_hw_roc_start()
277 	mutex_unlock(&local->mtx);  in ieee80211_hw_roc_start()
282 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_ready_on_channel()  local
284 	local->hw_roc_start_time = jiffies;  in ieee80211_ready_on_channel()
286 	trace_api_ready_on_channel(local);  in ieee80211_ready_on_channel()
288 	wiphy_work_queue(hw->wiphy, &local->hw_roc_start);  in ieee80211_ready_on_channel()
292 static void _ieee80211_start_next_roc(struct ieee80211_local *local)  in _ieee80211_start_next_roc()  argument
298 	lockdep_assert_held(&local->mtx);  in _ieee80211_start_next_roc()
300 	if (WARN_ON(list_empty(&local->roc_list)))  in _ieee80211_start_next_roc()
303 	roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,  in _ieee80211_start_next_roc()
313 	list_for_each_entry(tmp, &local->roc_list, list) {  in _ieee80211_start_next_roc()
323 	if (local->ops->remain_on_channel) {  in _ieee80211_start_next_roc()
324 		int ret = drv_remain_on_channel(local, roc->sdata, roc->chan,  in _ieee80211_start_next_roc()
328 			wiphy_warn(local->hw.wiphy,  in _ieee80211_start_next_roc()
334 			list_for_each_entry(tmp, &local->roc_list, list) {  in _ieee80211_start_next_roc()
341 			wiphy_work_queue(local->hw.wiphy, &local->hw_roc_done);  in _ieee80211_start_next_roc()
346 		list_for_each_entry(tmp, &local->roc_list, list) {  in _ieee80211_start_next_roc()
357 		roc->on_channel = roc->chan == local->_oper_chandef.chan &&  in _ieee80211_start_next_roc()
358 				  local->_oper_chandef.width != NL80211_CHAN_WIDTH_5 &&  in _ieee80211_start_next_roc()
359 				  local->_oper_chandef.width != NL80211_CHAN_WIDTH_10;  in _ieee80211_start_next_roc()
362 		ieee80211_recalc_idle(local);  in _ieee80211_start_next_roc()
365 			ieee80211_offchannel_stop_vifs(local);  in _ieee80211_start_next_roc()
367 			local->tmp_channel = roc->chan;  in _ieee80211_start_next_roc()
368 			ieee80211_hw_config(local, 0);  in _ieee80211_start_next_roc()
371 		wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work,  in _ieee80211_start_next_roc()
375 		list_for_each_entry(tmp, &local->roc_list, list) {  in _ieee80211_start_next_roc()
385 void ieee80211_start_next_roc(struct ieee80211_local *local)  in ieee80211_start_next_roc()  argument
389 	lockdep_assert_held(&local->mtx);  in ieee80211_start_next_roc()
391 	if (list_empty(&local->roc_list)) {  in ieee80211_start_next_roc()
392 		ieee80211_run_deferred_scan(local);  in ieee80211_start_next_roc()
397 	if (local->in_reconfig)  in ieee80211_start_next_roc()
400 	roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,  in ieee80211_start_next_roc()
406 	if (local->ops->remain_on_channel) {  in ieee80211_start_next_roc()
407 		_ieee80211_start_next_roc(local);  in ieee80211_start_next_roc()
410 		wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work,  in ieee80211_start_next_roc()
415 static void __ieee80211_roc_work(struct ieee80211_local *local)  in __ieee80211_roc_work()  argument
420 	lockdep_assert_held(&local->mtx);  in __ieee80211_roc_work()
422 	if (WARN_ON(local->ops->remain_on_channel))  in __ieee80211_roc_work()
425 	roc = list_first_entry_or_null(&local->roc_list,  in __ieee80211_roc_work()
431 		WARN_ON(local->use_chanctx);  in __ieee80211_roc_work()
432 		_ieee80211_start_next_roc(local);  in __ieee80211_roc_work()
435 		if (ieee80211_recalc_sw_work(local, jiffies))  in __ieee80211_roc_work()
441 			ieee80211_flush_queues(local, NULL, false);  in __ieee80211_roc_work()
443 			local->tmp_channel = NULL;  in __ieee80211_roc_work()
444 			ieee80211_hw_config(local, 0);  in __ieee80211_roc_work()
446 			ieee80211_offchannel_return(local);  in __ieee80211_roc_work()
449 		ieee80211_recalc_idle(local);  in __ieee80211_roc_work()
450 		ieee80211_start_next_roc(local);  in __ieee80211_roc_work()
456 	struct ieee80211_local *local =  in ieee80211_roc_work()  local
459 	mutex_lock(&local->mtx);  in ieee80211_roc_work()
460 	__ieee80211_roc_work(local);  in ieee80211_roc_work()
461 	mutex_unlock(&local->mtx);  in ieee80211_roc_work()
466 	struct ieee80211_local *local =  in ieee80211_hw_roc_done()  local
469 	mutex_lock(&local->mtx);  in ieee80211_hw_roc_done()
471 	ieee80211_end_finished_rocs(local, jiffies);  in ieee80211_hw_roc_done()
474 	ieee80211_start_next_roc(local);  in ieee80211_hw_roc_done()
476 	mutex_unlock(&local->mtx);  in ieee80211_hw_roc_done()
481 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_remain_on_channel_expired()  local
483 	trace_api_remain_on_channel_expired(local);  in ieee80211_remain_on_channel_expired()
485 	wiphy_work_queue(hw->wiphy, &local->hw_roc_done);  in ieee80211_remain_on_channel_expired()
490 ieee80211_coalesce_hw_started_roc(struct ieee80211_local *local,  in ieee80211_coalesce_hw_started_roc()  argument
529 static int ieee80211_start_roc_work(struct ieee80211_local *local,  in ieee80211_start_roc_work()  argument
540 	lockdep_assert_held(&local->mtx);  in ieee80211_start_roc_work()
546 	if (local->use_chanctx && !local->ops->remain_on_channel)  in ieee80211_start_roc_work()
577 		roc->cookie = ieee80211_mgmt_tx_cookie(local);  in ieee80211_start_roc_work()
584 	if (list_empty(&local->roc_list) &&  in ieee80211_start_roc_work()
585 	    !local->scanning && !ieee80211_is_radar_required(local)) {  in ieee80211_start_roc_work()
587 		if (!local->ops->remain_on_channel) {  in ieee80211_start_roc_work()
588 			list_add_tail(&roc->list, &local->roc_list);  in ieee80211_start_roc_work()
589 			wiphy_delayed_work_queue(local->hw.wiphy,  in ieee80211_start_roc_work()
590 						 &local->roc_work, 0);  in ieee80211_start_roc_work()
595 			ret = drv_remain_on_channel(local, sdata, channel,  in ieee80211_start_roc_work()
602 			list_add_tail(&roc->list, &local->roc_list);  in ieee80211_start_roc_work()
610 	list_for_each_entry(tmp, &local->roc_list, list) {  in ieee80211_start_roc_work()
627 		if (!local->ops->remain_on_channel) {  in ieee80211_start_roc_work()
639 			struct wiphy *wiphy = local->hw.wiphy;  in ieee80211_start_roc_work()
651 			ieee80211_recalc_sw_work(local, now);  in ieee80211_start_roc_work()
655 		queued = ieee80211_coalesce_hw_started_roc(local, roc, tmp);  in ieee80211_start_roc_work()
667 		list_add_tail(&roc->list, &local->roc_list);  in ieee80211_start_roc_work()
677 	struct ieee80211_local *local = sdata->local;  in ieee80211_remain_on_channel()  local
680 	mutex_lock(&local->mtx);  in ieee80211_remain_on_channel()
681 	ret = ieee80211_start_roc_work(local, sdata, chan,  in ieee80211_remain_on_channel()
684 	mutex_unlock(&local->mtx);  in ieee80211_remain_on_channel()
689 static int ieee80211_cancel_roc(struct ieee80211_local *local,  in ieee80211_cancel_roc()  argument
698 	wiphy_work_flush(local->hw.wiphy, &local->hw_roc_start);  in ieee80211_cancel_roc()
700 	mutex_lock(&local->mtx);  in ieee80211_cancel_roc()
701 	list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {  in ieee80211_cancel_roc()
712 		mutex_unlock(&local->mtx);  in ieee80211_cancel_roc()
721 	if (local->ops->remain_on_channel) {  in ieee80211_cancel_roc()
722 		ret = drv_cancel_remain_on_channel(local, roc->sdata);  in ieee80211_cancel_roc()
724 			mutex_unlock(&local->mtx);  in ieee80211_cancel_roc()
733 		list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {  in ieee80211_cancel_roc()
744 		ieee80211_start_next_roc(local);  in ieee80211_cancel_roc()
748 		wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work, 0);  in ieee80211_cancel_roc()
752 	mutex_unlock(&local->mtx);  in ieee80211_cancel_roc()
761 	struct ieee80211_local *local = sdata->local;  in ieee80211_cancel_remain_on_channel()  local
763 	return ieee80211_cancel_roc(local, cookie, false);  in ieee80211_cancel_remain_on_channel()
770 	struct ieee80211_local *local = sdata->local;  in ieee80211_mgmt_tx()  local
839 		     local->ops->remain_on_channel &&  in ieee80211_mgmt_tx()
858 	mutex_lock(&local->mtx);  in ieee80211_mgmt_tx()
907 	skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);  in ieee80211_mgmt_tx()
912 	skb_reserve(skb, local->hw.extra_tx_headroom);  in ieee80211_mgmt_tx()
950 		ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_KERNEL);  in ieee80211_mgmt_tx()
972 	if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))  in ieee80211_mgmt_tx()
974 			local->hw.offchannel_tx_hw_queue;  in ieee80211_mgmt_tx()
977 	ret = ieee80211_start_roc_work(local, sdata, params->chan,  in ieee80211_mgmt_tx()
981 		ieee80211_free_txskb(&local->hw, skb);  in ieee80211_mgmt_tx()
983 	mutex_unlock(&local->mtx);  in ieee80211_mgmt_tx()
990 	struct ieee80211_local *local = wiphy_priv(wiphy);  in ieee80211_mgmt_tx_cancel_wait()  local
992 	return ieee80211_cancel_roc(local, cookie, true);  in ieee80211_mgmt_tx_cancel_wait()
995 void ieee80211_roc_setup(struct ieee80211_local *local)  in ieee80211_roc_setup()  argument
997 	wiphy_work_init(&local->hw_roc_start, ieee80211_hw_roc_start);  in ieee80211_roc_setup()
998 	wiphy_work_init(&local->hw_roc_done, ieee80211_hw_roc_done);  in ieee80211_roc_setup()
999 	wiphy_delayed_work_init(&local->roc_work, ieee80211_roc_work);  in ieee80211_roc_setup()
1000 	INIT_LIST_HEAD(&local->roc_list);  in ieee80211_roc_setup()
1003 void ieee80211_roc_purge(struct ieee80211_local *local,  in ieee80211_roc_purge()  argument
1009 	mutex_lock(&local->mtx);  in ieee80211_roc_purge()
1010 	list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {  in ieee80211_roc_purge()
1015 			if (local->ops->remain_on_channel) {  in ieee80211_roc_purge()
1017 				drv_cancel_remain_on_channel(local, roc->sdata);  in ieee80211_roc_purge()
1028 		__ieee80211_roc_work(local);  in ieee80211_roc_purge()
1029 	mutex_unlock(&local->mtx);  in ieee80211_roc_purge()