1 // SPDX-License-Identifier: GPL-2.0
4  * Copyright (C) 2020-2021 Intel Corporation
11 #include "driver-ops.h"
14 static void ieee80211_sched_scan_cancel(struct ieee80211_local *local)  in ieee80211_sched_scan_cancel()  argument
16 	if (ieee80211_request_sched_scan_stop(local))  in ieee80211_sched_scan_cancel()
18 	cfg80211_sched_scan_stopped_locked(local->hw.wiphy, 0);  in ieee80211_sched_scan_cancel()
23 	struct ieee80211_local *local = hw_to_local(hw);  in __ieee80211_suspend()  local
27 	if (!local->open_count)  in __ieee80211_suspend()
30 	ieee80211_scan_cancel(local);  in __ieee80211_suspend()
32 	ieee80211_dfs_cac_cancel(local);  in __ieee80211_suspend()
34 	ieee80211_roc_purge(local, NULL);  in __ieee80211_suspend()
36 	ieee80211_del_virtual_monitor(local);  in __ieee80211_suspend()
39 	    !(wowlan && wowlan->any)) {  in __ieee80211_suspend()
40 		mutex_lock(&local->sta_mtx);  in __ieee80211_suspend()
41 		list_for_each_entry(sta, &local->sta_list, list) {  in __ieee80211_suspend()
46 		mutex_unlock(&local->sta_mtx);  in __ieee80211_suspend()
50 	if (!(wowlan && wowlan->any))  in __ieee80211_suspend()
51 		ieee80211_sched_scan_cancel(local);  in __ieee80211_suspend()
61 	ieee80211_flush_queues(local, NULL, true);  in __ieee80211_suspend()
63 	local->quiescing = true;  in __ieee80211_suspend()
67 	flush_workqueue(local->workqueue);  in __ieee80211_suspend()
70 	del_timer_sync(&local->sta_cleanup);  in __ieee80211_suspend()
73 	 * Note that this particular timer doesn't need to be  in __ieee80211_suspend()
76 	cancel_work_sync(&local->dynamic_ps_enable_work);  in __ieee80211_suspend()
77 	del_timer_sync(&local->dynamic_ps_timer);  in __ieee80211_suspend()
79 	local->wowlan = wowlan;  in __ieee80211_suspend()
80 	if (local->wowlan) {  in __ieee80211_suspend()
88 		 * Thus, clean up in-progress auth/assoc first.  in __ieee80211_suspend()
90 		list_for_each_entry(sdata, &local->interfaces, list) {  in __ieee80211_suspend()
93 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in __ieee80211_suspend()
99 			 * of power-save due to TX and during suspend  in __ieee80211_suspend()
105 			if (sdata->u.mgd.associated &&  in __ieee80211_suspend()
106 			    sdata->u.mgd.powersave &&  in __ieee80211_suspend()
107 			     !(local->hw.conf.flags & IEEE80211_CONF_PS)) {  in __ieee80211_suspend()
108 				local->hw.conf.flags |= IEEE80211_CONF_PS;  in __ieee80211_suspend()
109 				ieee80211_hw_config(local,  in __ieee80211_suspend()
114 		err = drv_suspend(local, wowlan);  in __ieee80211_suspend()
116 			local->quiescing = false;  in __ieee80211_suspend()
117 			local->wowlan = false;  in __ieee80211_suspend()
119 				mutex_lock(&local->sta_mtx);  in __ieee80211_suspend()
121 						    &local->sta_list, list) {  in __ieee80211_suspend()
124 				mutex_unlock(&local->sta_mtx);  in __ieee80211_suspend()
147 	list_for_each_entry(sdata, &local->interfaces, list) {  in __ieee80211_suspend()
150 		switch (sdata->vif.type) {  in __ieee80211_suspend()
161 		flush_delayed_work(&sdata->dec_tailroom_needed_wk);  in __ieee80211_suspend()
162 		drv_remove_interface(local, sdata);  in __ieee80211_suspend()
169 	WARN_ON(!list_empty(&local->chanctx_list));  in __ieee80211_suspend()
171 	/* stop hardware - this must stop RX */  in __ieee80211_suspend()
172 	ieee80211_stop_device(local);  in __ieee80211_suspend()
175 	local->suspended = true;  in __ieee80211_suspend()
178 	local->quiescing = false;  in __ieee80211_suspend()
195 	cfg80211_report_wowlan_wakeup(&sdata->wdev, wakeup, gfp);  in ieee80211_report_wowlan_wakeup()