29 	struct ieee80211_local *local = sdata->local;  in ieee80211_offchannel_ps_enable()  local
32 	local->offchannel_ps_enabled = false;  in ieee80211_offchannel_ps_enable()
36 	del_timer_sync(&local->dynamic_ps_timer);  in ieee80211_offchannel_ps_enable()
40 	cancel_work_sync(&local->dynamic_ps_enable_work);  in ieee80211_offchannel_ps_enable()
42 	if (local->hw.conf.flags & IEEE80211_CONF_PS) {  in ieee80211_offchannel_ps_enable()
43 		local->offchannel_ps_enabled = true;  in ieee80211_offchannel_ps_enable()
44 		local->hw.conf.flags &= ~IEEE80211_CONF_PS;  in ieee80211_offchannel_ps_enable()
45 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);  in ieee80211_offchannel_ps_enable()
48 	if (!local->offchannel_ps_enabled ||  in ieee80211_offchannel_ps_enable()
49 	    !ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))  in ieee80211_offchannel_ps_enable()
60 		ieee80211_send_nullfunc(local, sdata, true);  in ieee80211_offchannel_ps_enable()
66 	struct ieee80211_local *local = sdata->local;  in ieee80211_offchannel_ps_disable()  local
68 	if (!local->ps_sdata)  in ieee80211_offchannel_ps_disable()
69 		ieee80211_send_nullfunc(local, sdata, false);  in ieee80211_offchannel_ps_disable()
70 	else if (local->offchannel_ps_enabled) {  in ieee80211_offchannel_ps_disable()
87 		local->hw.conf.flags |= IEEE80211_CONF_PS;  in ieee80211_offchannel_ps_disable()
88 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);  in ieee80211_offchannel_ps_disable()
89 	} else if (local->hw.conf.dynamic_ps_timeout > 0) {  in ieee80211_offchannel_ps_disable()
96 		ieee80211_send_nullfunc(local, sdata, false);  in ieee80211_offchannel_ps_disable()
97 		mod_timer(&local->dynamic_ps_timer, jiffies +  in ieee80211_offchannel_ps_disable()
98 			  msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));  in ieee80211_offchannel_ps_disable()
105 void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local)  in ieee80211_offchannel_stop_vifs()  argument
109 	if (WARN_ON(local->use_chanctx))  in ieee80211_offchannel_stop_vifs()
121 	ieee80211_stop_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,  in ieee80211_offchannel_stop_vifs()
124 	ieee80211_flush_queues(local, NULL, false);  in ieee80211_offchannel_stop_vifs()
126 	mutex_lock(&local->iflist_mtx);  in ieee80211_offchannel_stop_vifs()
127 	list_for_each_entry(sdata, &local->interfaces, list) {  in ieee80211_offchannel_stop_vifs()
150 	mutex_unlock(&local->iflist_mtx);  in ieee80211_offchannel_stop_vifs()
153 void ieee80211_offchannel_return(struct ieee80211_local *local)  in ieee80211_offchannel_return()  argument
157 	if (WARN_ON(local->use_chanctx))  in ieee80211_offchannel_return()
160 	mutex_lock(&local->iflist_mtx);  in ieee80211_offchannel_return()
161 	list_for_each_entry(sdata, &local->interfaces, list) {  in ieee80211_offchannel_return()
183 	mutex_unlock(&local->iflist_mtx);  in ieee80211_offchannel_return()
185 	ieee80211_wake_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,  in ieee80211_offchannel_return()
212 	struct ieee80211_local *local =  in ieee80211_hw_roc_start()  local
216 	mutex_lock(&local->mtx);  in ieee80211_hw_roc_start()
218 	if (list_empty(&local->roc_list))  in ieee80211_hw_roc_start()
221 	roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,  in ieee80211_hw_roc_start()
228 	roc->hw_start_time = local->hw_roc_start_time;  in ieee80211_hw_roc_start()
242 	mutex_unlock(&local->mtx);  in ieee80211_hw_roc_start()
247 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_ready_on_channel()  local
249 	local->hw_roc_start_time = jiffies;  in ieee80211_ready_on_channel()
251 	trace_api_ready_on_channel(local);  in ieee80211_ready_on_channel()
253 	ieee80211_queue_work(hw, &local->hw_roc_start);  in ieee80211_ready_on_channel()
257 void ieee80211_start_next_roc(struct ieee80211_local *local)  in ieee80211_start_next_roc()  argument
261 	lockdep_assert_held(&local->mtx);  in ieee80211_start_next_roc()
263 	if (list_empty(&local->roc_list)) {  in ieee80211_start_next_roc()
264 		ieee80211_run_deferred_scan(local);  in ieee80211_start_next_roc()
268 	roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,  in ieee80211_start_next_roc()
274 	if (local->ops->remain_on_channel) {  in ieee80211_start_next_roc()
281 		ret = drv_remain_on_channel(local, roc->sdata, roc->chan,  in ieee80211_start_next_roc()
287 			wiphy_warn(local->hw.wiphy,  in ieee80211_start_next_roc()
293 			ieee80211_remain_on_channel_expired(&local->hw);  in ieee80211_start_next_roc()
297 		ieee80211_queue_delayed_work(&local->hw, &roc->work,  in ieee80211_start_next_roc()
337 	struct ieee80211_local *local = sdata->local;  in ieee80211_sw_roc_work()  local
340 	mutex_lock(&local->mtx);  in ieee80211_sw_roc_work()
348 	if (WARN_ON(list_empty(&local->roc_list)))  in ieee80211_sw_roc_work()
351 	if (WARN_ON(roc != list_first_entry(&local->roc_list,  in ieee80211_sw_roc_work()
359 		WARN_ON(local->use_chanctx);  in ieee80211_sw_roc_work()
366 		roc->on_channel = roc->chan == local->_oper_chandef.chan &&  in ieee80211_sw_roc_work()
367 				  local->_oper_chandef.width != NL80211_CHAN_WIDTH_5 &&  in ieee80211_sw_roc_work()
368 				  local->_oper_chandef.width != NL80211_CHAN_WIDTH_10;  in ieee80211_sw_roc_work()
371 		ieee80211_recalc_idle(local);  in ieee80211_sw_roc_work()
374 			ieee80211_offchannel_stop_vifs(local);  in ieee80211_sw_roc_work()
376 			local->tmp_channel = roc->chan;  in ieee80211_sw_roc_work()
377 			ieee80211_hw_config(local, 0);  in ieee80211_sw_roc_work()
390 		ieee80211_queue_delayed_work(&local->hw, &roc->work,  in ieee80211_sw_roc_work()
401 			ieee80211_flush_queues(local, NULL, false);  in ieee80211_sw_roc_work()
403 			local->tmp_channel = NULL;  in ieee80211_sw_roc_work()
404 			ieee80211_hw_config(local, 0);  in ieee80211_sw_roc_work()
406 			ieee80211_offchannel_return(local);  in ieee80211_sw_roc_work()
409 		ieee80211_recalc_idle(local);  in ieee80211_sw_roc_work()
412 			ieee80211_start_next_roc(local);  in ieee80211_sw_roc_work()
413 		else if (list_empty(&local->roc_list))  in ieee80211_sw_roc_work()
414 			ieee80211_run_deferred_scan(local);  in ieee80211_sw_roc_work()
418 	mutex_unlock(&local->mtx);  in ieee80211_sw_roc_work()
423 	struct ieee80211_local *local =  in ieee80211_hw_roc_done()  local
427 	mutex_lock(&local->mtx);  in ieee80211_hw_roc_done()
429 	if (list_empty(&local->roc_list))  in ieee80211_hw_roc_done()
432 	roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work,  in ieee80211_hw_roc_done()
443 	ieee80211_start_next_roc(local);  in ieee80211_hw_roc_done()
446 	mutex_unlock(&local->mtx);  in ieee80211_hw_roc_done()
451 	struct ieee80211_local *local = hw_to_local(hw);  in ieee80211_remain_on_channel_expired()  local
453 	trace_api_remain_on_channel_expired(local);  in ieee80211_remain_on_channel_expired()
455 	ieee80211_queue_work(hw, &local->hw_roc_done);  in ieee80211_remain_on_channel_expired()
459 void ieee80211_roc_setup(struct ieee80211_local *local)  in ieee80211_roc_setup()  argument
461 	INIT_WORK(&local->hw_roc_start, ieee80211_hw_roc_start);  in ieee80211_roc_setup()
462 	INIT_WORK(&local->hw_roc_done, ieee80211_hw_roc_done);  in ieee80211_roc_setup()
463 	INIT_LIST_HEAD(&local->roc_list);  in ieee80211_roc_setup()
466 void ieee80211_roc_purge(struct ieee80211_local *local,  in ieee80211_roc_purge()  argument
472 	mutex_lock(&local->mtx);  in ieee80211_roc_purge()
473 	list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {  in ieee80211_roc_purge()
477 		if (roc->started && local->ops->remain_on_channel) {  in ieee80211_roc_purge()
479 			drv_cancel_remain_on_channel(local);  in ieee80211_roc_purge()
485 	mutex_unlock(&local->mtx);  in ieee80211_roc_purge()
488 		if (local->ops->remain_on_channel) {  in ieee80211_roc_purge()
492 			ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);  in ieee80211_roc_purge()