27 	struct ieee80211_local *local = sdata->local;  in ieee80211_offchannel_ps_enable()  local
31 	/* FIXME: what to do when local->pspolling is true? */  in ieee80211_offchannel_ps_enable()
33 	del_timer_sync(&local->dynamic_ps_timer);  in ieee80211_offchannel_ps_enable()
37 	wiphy_work_cancel(local->hw.wiphy, &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 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_offchannel_stop_vifs()
89 	if (WARN_ON(!local->emulate_chanctx))  in ieee80211_offchannel_stop_vifs()
101 	ieee80211_stop_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,  in ieee80211_offchannel_stop_vifs()
104 	ieee80211_flush_queues(local, NULL, false);  in ieee80211_offchannel_stop_vifs()
106 	list_for_each_entry(sdata, &local->interfaces, list) {  in ieee80211_offchannel_stop_vifs()
133 void ieee80211_offchannel_return(struct ieee80211_local *local)  in ieee80211_offchannel_return()  argument
137 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_offchannel_return()
139 	if (WARN_ON(!local->emulate_chanctx))  in ieee80211_offchannel_return()
142 	list_for_each_entry(sdata, &local->interfaces, list) {  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_wiphy(local->hw.wiphy);  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 	lockdep_assert_wiphy(local->hw.wiphy);  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()
280 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_ready_on_channel()  local
282 	local->hw_roc_start_time = jiffies;  in ieee80211_ready_on_channel()
284 	trace_api_ready_on_channel(local);  in ieee80211_ready_on_channel()
286 	wiphy_work_queue(hw->wiphy, &local->hw_roc_start);  in ieee80211_ready_on_channel()
290 static void _ieee80211_start_next_roc(struct ieee80211_local *local)  in _ieee80211_start_next_roc()  argument
296 	lockdep_assert_wiphy(local->hw.wiphy);  in _ieee80211_start_next_roc()
298 	if (WARN_ON(list_empty(&local->roc_list)))  in _ieee80211_start_next_roc()
301 	roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,  in _ieee80211_start_next_roc()
311 	list_for_each_entry(tmp, &local->roc_list, list) {  in _ieee80211_start_next_roc()
321 	if (local->ops->remain_on_channel) {  in _ieee80211_start_next_roc()
322 		int ret = drv_remain_on_channel(local, roc->sdata, roc->chan,  in _ieee80211_start_next_roc()
326 			wiphy_warn(local->hw.wiphy,  in _ieee80211_start_next_roc()
332 			list_for_each_entry(tmp, &local->roc_list, list) {  in _ieee80211_start_next_roc()
339 			wiphy_work_queue(local->hw.wiphy, &local->hw_roc_done);  in _ieee80211_start_next_roc()
344 		list_for_each_entry(tmp, &local->roc_list, list) {  in _ieee80211_start_next_roc()
358 		roc->on_channel = roc->chan == local->hw.conf.chandef.chan &&  in _ieee80211_start_next_roc()
359 				  local->hw.conf.chandef.width != NL80211_CHAN_WIDTH_5 &&  in _ieee80211_start_next_roc()
360 				  local->hw.conf.chandef.width != NL80211_CHAN_WIDTH_10;  in _ieee80211_start_next_roc()
363 		ieee80211_recalc_idle(local);  in _ieee80211_start_next_roc()
366 			ieee80211_offchannel_stop_vifs(local);  in _ieee80211_start_next_roc()
368 			local->tmp_channel = roc->chan;  in _ieee80211_start_next_roc()
369 			ieee80211_hw_conf_chan(local);  in _ieee80211_start_next_roc()
372 		wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work,  in _ieee80211_start_next_roc()
376 		list_for_each_entry(tmp, &local->roc_list, list) {  in _ieee80211_start_next_roc()
386 void ieee80211_start_next_roc(struct ieee80211_local *local)  in ieee80211_start_next_roc()  argument
390 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_start_next_roc()
392 	if (list_empty(&local->roc_list)) {  in ieee80211_start_next_roc()
393 		ieee80211_run_deferred_scan(local);  in ieee80211_start_next_roc()
398 	if (local->in_reconfig)  in ieee80211_start_next_roc()
401 	roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,  in ieee80211_start_next_roc()
407 	if (local->ops->remain_on_channel) {  in ieee80211_start_next_roc()
408 		_ieee80211_start_next_roc(local);  in ieee80211_start_next_roc()
411 		wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work,  in ieee80211_start_next_roc()
416 void ieee80211_reconfig_roc(struct ieee80211_local *local)  in ieee80211_reconfig_roc()  argument
425 	if (!local->ops->remain_on_channel)  in ieee80211_reconfig_roc()
429 	wiphy_work_flush(local->hw.wiphy, &local->hw_roc_start);  in ieee80211_reconfig_roc()
430 	wiphy_work_flush(local->hw.wiphy, &local->hw_roc_done);  in ieee80211_reconfig_roc()
432 	list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {  in ieee80211_reconfig_roc()
446 	ieee80211_start_next_roc(local);  in ieee80211_reconfig_roc()
449 static void __ieee80211_roc_work(struct ieee80211_local *local)  in __ieee80211_roc_work()  argument
454 	lockdep_assert_wiphy(local->hw.wiphy);  in __ieee80211_roc_work()
456 	if (WARN_ON(local->ops->remain_on_channel))  in __ieee80211_roc_work()
459 	roc = list_first_entry_or_null(&local->roc_list,  in __ieee80211_roc_work()
465 		WARN_ON(!local->emulate_chanctx);  in __ieee80211_roc_work()
466 		_ieee80211_start_next_roc(local);  in __ieee80211_roc_work()
469 		if (ieee80211_recalc_sw_work(local, jiffies))  in __ieee80211_roc_work()
475 			ieee80211_flush_queues(local, NULL, false);  in __ieee80211_roc_work()
477 			local->tmp_channel = NULL;  in __ieee80211_roc_work()
478 			ieee80211_hw_conf_chan(local);  in __ieee80211_roc_work()
480 			ieee80211_offchannel_return(local);  in __ieee80211_roc_work()
483 		ieee80211_recalc_idle(local);  in __ieee80211_roc_work()
484 		ieee80211_start_next_roc(local);  in __ieee80211_roc_work()
490 	struct ieee80211_local *local =  in ieee80211_roc_work()  local
493 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_roc_work()
495 	__ieee80211_roc_work(local);  in ieee80211_roc_work()
500 	struct ieee80211_local *local =  in ieee80211_hw_roc_done()  local
503 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_hw_roc_done()
505 	ieee80211_end_finished_rocs(local, jiffies);  in ieee80211_hw_roc_done()
508 	ieee80211_start_next_roc(local);  in ieee80211_hw_roc_done()
513 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_remain_on_channel_expired()  local
515 	trace_api_remain_on_channel_expired(local);  in ieee80211_remain_on_channel_expired()
517 	wiphy_work_queue(hw->wiphy, &local->hw_roc_done);  in ieee80211_remain_on_channel_expired()
522 ieee80211_coalesce_hw_started_roc(struct ieee80211_local *local,  in ieee80211_coalesce_hw_started_roc()  argument
561 static int ieee80211_start_roc_work(struct ieee80211_local *local,  in ieee80211_start_roc_work()  argument
572 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_start_roc_work()
578 	if (!local->emulate_chanctx && !local->ops->remain_on_channel)  in ieee80211_start_roc_work()
609 		roc->cookie = ieee80211_mgmt_tx_cookie(local);  in ieee80211_start_roc_work()
616 	if (list_empty(&local->roc_list) &&  in ieee80211_start_roc_work()
617 	    !local->scanning && !ieee80211_is_radar_required(local)) {  in ieee80211_start_roc_work()
619 		if (!local->ops->remain_on_channel) {  in ieee80211_start_roc_work()
620 			list_add_tail(&roc->list, &local->roc_list);  in ieee80211_start_roc_work()
621 			wiphy_delayed_work_queue(local->hw.wiphy,  in ieee80211_start_roc_work()
622 						 &local->roc_work, 0);  in ieee80211_start_roc_work()
627 			ret = drv_remain_on_channel(local, sdata, channel,  in ieee80211_start_roc_work()
634 			list_add_tail(&roc->list, &local->roc_list);  in ieee80211_start_roc_work()
642 	list_for_each_entry(tmp, &local->roc_list, list) {  in ieee80211_start_roc_work()
659 		if (!local->ops->remain_on_channel) {  in ieee80211_start_roc_work()
671 			struct wiphy *wiphy = local->hw.wiphy;  in ieee80211_start_roc_work()
683 			ieee80211_recalc_sw_work(local, now);  in ieee80211_start_roc_work()
687 		queued = ieee80211_coalesce_hw_started_roc(local, roc, tmp);  in ieee80211_start_roc_work()
699 		list_add_tail(&roc->list, &local->roc_list);  in ieee80211_start_roc_work()
709 	struct ieee80211_local *local = sdata->local;  in ieee80211_remain_on_channel()  local
711 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_remain_on_channel()
713 	return ieee80211_start_roc_work(local, sdata, chan,  in ieee80211_remain_on_channel()
718 static int ieee80211_cancel_roc(struct ieee80211_local *local,  in ieee80211_cancel_roc()  argument
724 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_cancel_roc()
729 	wiphy_work_flush(local->hw.wiphy, &local->hw_roc_start);  in ieee80211_cancel_roc()
731 	list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {  in ieee80211_cancel_roc()
750 	if (local->ops->remain_on_channel) {  in ieee80211_cancel_roc()
751 		ret = drv_cancel_remain_on_channel(local, roc->sdata);  in ieee80211_cancel_roc()
771 		wiphy_work_cancel(local->hw.wiphy, &local->hw_roc_done);  in ieee80211_cancel_roc()
778 		list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {  in ieee80211_cancel_roc()
789 		ieee80211_start_next_roc(local);  in ieee80211_cancel_roc()
793 		wiphy_delayed_work_queue(local->hw.wiphy, &local->roc_work, 0);  in ieee80211_cancel_roc()
805 	struct ieee80211_local *local = sdata->local;  in ieee80211_cancel_remain_on_channel()  local
807 	return ieee80211_cancel_roc(local, cookie, false);  in ieee80211_cancel_remain_on_channel()
814 	struct ieee80211_local *local = sdata->local;  in ieee80211_mgmt_tx()  local
825 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_mgmt_tx()
884 		     local->ops->remain_on_channel &&  in ieee80211_mgmt_tx()
964 	skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);  in ieee80211_mgmt_tx()
969 	skb_reserve(skb, local->hw.extra_tx_headroom);  in ieee80211_mgmt_tx()
1008 		ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_KERNEL);  in ieee80211_mgmt_tx()
1030 	if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))  in ieee80211_mgmt_tx()
1032 			local->hw.offchannel_tx_hw_queue;  in ieee80211_mgmt_tx()
1035 	ret = ieee80211_start_roc_work(local, sdata, params->chan,  in ieee80211_mgmt_tx()
1039 		ieee80211_free_txskb(&local->hw, skb);  in ieee80211_mgmt_tx()
1047 	struct ieee80211_local *local = wiphy_priv(wiphy);  in ieee80211_mgmt_tx_cancel_wait()  local
1049 	return ieee80211_cancel_roc(local, cookie, true);  in ieee80211_mgmt_tx_cancel_wait()
1052 void ieee80211_roc_setup(struct ieee80211_local *local)  in ieee80211_roc_setup()  argument
1054 	wiphy_work_init(&local->hw_roc_start, ieee80211_hw_roc_start);  in ieee80211_roc_setup()
1055 	wiphy_work_init(&local->hw_roc_done, ieee80211_hw_roc_done);  in ieee80211_roc_setup()
1056 	wiphy_delayed_work_init(&local->roc_work, ieee80211_roc_work);  in ieee80211_roc_setup()
1057 	INIT_LIST_HEAD(&local->roc_list);  in ieee80211_roc_setup()
1060 void ieee80211_roc_purge(struct ieee80211_local *local,  in ieee80211_roc_purge()  argument
1066 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_roc_purge()
1068 	list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {  in ieee80211_roc_purge()
1073 			if (local->ops->remain_on_channel) {  in ieee80211_roc_purge()
1075 				drv_cancel_remain_on_channel(local, roc->sdata);  in ieee80211_roc_purge()
1086 		__ieee80211_roc_work(local);  in ieee80211_roc_purge()