1 files changed, 56 insertions, 52 deletions

diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 596efaf50e0..d478b880a0a 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -6,28 +6,6 @@
 #include "driver-ops.h"
 #include "led.h"
 
-/* return value indicates whether the driver should be further notified */
-static bool ieee80211_quiesce(struct ieee80211_sub_if_data *sdata)
-{
-	switch (sdata->vif.type) {
-	case NL80211_IFTYPE_STATION:
-		ieee80211_sta_quiesce(sdata);
-		return true;
-	case NL80211_IFTYPE_ADHOC:
-		ieee80211_ibss_quiesce(sdata);
-		return true;
-	case NL80211_IFTYPE_MESH_POINT:
-		ieee80211_mesh_quiesce(sdata);
-		return true;
-	case NL80211_IFTYPE_AP_VLAN:
-	case NL80211_IFTYPE_MONITOR:
-		/* don't tell driver about this */
-		return false;
-	default:
-		return true;
-	}
-}
-
 int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 {
 	struct ieee80211_local *local = hw_to_local(hw);
@@ -39,22 +17,30 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 
 	ieee80211_scan_cancel(local);
 
+	ieee80211_dfs_cac_cancel(local);
+
+	ieee80211_roc_purge(local, NULL);
+
+	ieee80211_del_virtual_monitor(local);
+
 	if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
 		mutex_lock(&local->sta_mtx);
 		list_for_each_entry(sta, &local->sta_list, list) {
 			set_sta_flag(sta, WLAN_STA_BLOCK_BA);
-			ieee80211_sta_tear_down_BA_sessions(sta, true);
+			ieee80211_sta_tear_down_BA_sessions(
+					sta, AGG_STOP_LOCAL_REQUEST);
 		}
 		mutex_unlock(&local->sta_mtx);
 	}
 
 	ieee80211_stop_queues_by_reason(hw,
-			IEEE80211_QUEUE_STOP_REASON_SUSPEND);
+					IEEE80211_MAX_QUEUE_MAP,
+					IEEE80211_QUEUE_STOP_REASON_SUSPEND);
 
 	/* flush out all packets */
 	synchronize_net();
 
-	drv_flush(local, false);
+	ieee80211_flush_queues(local, NULL);
 
 	local->quiescing = true;
 	/* make quiescing visible to timers everywhere */
@@ -77,57 +63,65 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 		int err = drv_suspend(local, wowlan);
 		if (err < 0) {
 			local->quiescing = false;
+			local->wowlan = false;
+			if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
+				mutex_lock(&local->sta_mtx);
+				list_for_each_entry(sta,
+						    &local->sta_list, list) {
+					clear_sta_flag(sta, WLAN_STA_BLOCK_BA);
+				}
+				mutex_unlock(&local->sta_mtx);
+			}
+			ieee80211_wake_queues_by_reason(hw,
+					IEEE80211_MAX_QUEUE_MAP,
+					IEEE80211_QUEUE_STOP_REASON_SUSPEND);
 			return err;
 		} else if (err > 0) {
 			WARN_ON(err != 1);
-			local->wowlan = false;
+			return err;
 		} else {
-			list_for_each_entry(sdata, &local->interfaces, list) {
-				cancel_work_sync(&sdata->work);
-				ieee80211_quiesce(sdata);
-			}
 			goto suspend;
 		}
 	}
 
-	/* disable keys */
-	list_for_each_entry(sdata, &local->interfaces, list)
-		ieee80211_disable_keys(sdata);
-
 	/* tear down aggregation sessions and remove STAs */
 	mutex_lock(&local->sta_mtx);
 	list_for_each_entry(sta, &local->sta_list, list) {
 		if (sta->uploaded) {
-			sdata = sta->sdata;
-			if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-				sdata = container_of(sdata->bss,
-					     struct ieee80211_sub_if_data,
-					     u.ap);
+			enum ieee80211_sta_state state;
 
-			drv_sta_remove(local, sdata, &sta->sta);
+			state = sta->sta_state;
+			for (; state > IEEE80211_STA_NOTEXIST; state--)
+				WARN_ON(drv_sta_state(local, sta->sdata, sta,
+						      state, state - 1));
 		}
-
-		mesh_plink_quiesce(sta);
 	}
 	mutex_unlock(&local->sta_mtx);
 
-	/* remove all interfaces */
+	/* remove all interfaces that were created in the driver */
 	list_for_each_entry(sdata, &local->interfaces, list) {
-		cancel_work_sync(&sdata->work);
-
-		if (!ieee80211_quiesce(sdata))
-			continue;
-
 		if (!ieee80211_sdata_running(sdata))
 			continue;
-
-		/* disable beaconing */
-		ieee80211_bss_info_change_notify(sdata,
-			BSS_CHANGED_BEACON_ENABLED);
+		switch (sdata->vif.type) {
+		case NL80211_IFTYPE_AP_VLAN:
+		case NL80211_IFTYPE_MONITOR:
+			continue;
+		case NL80211_IFTYPE_STATION:
+			ieee80211_mgd_quiesce(sdata);
+			break;
+		default:
+			break;
+		}
 
 		drv_remove_interface(local, sdata);
 	}
 
+	/*
+	 * We disconnected on all interfaces before suspend, all channel
+	 * contexts should be released.
+	 */
+	WARN_ON(!list_empty(&local->chanctx_list));
+
 	/* stop hardware - this must stop RX */
 	if (local->open_count)
 		ieee80211_stop_device(local);
@@ -146,3 +140,13 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
  * ieee80211_reconfig(), which is also needed for hardware
  * hang/firmware failure/etc. recovery.
  */
+
+void ieee80211_report_wowlan_wakeup(struct ieee80211_vif *vif,
+				    struct cfg80211_wowlan_wakeup *wakeup,
+				    gfp_t gfp)
+{
+	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+	cfg80211_report_wowlan_wakeup(&sdata->wdev, wakeup, gfp);
+}
+EXPORT_SYMBOL(ieee80211_report_wowlan_wakeup);