1 files changed, 56 insertions, 20 deletions

diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 79a48f37d409..d0275f34bf70 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -7,25 +7,23 @@
 #include "led.h"
 
 /* return value indicates whether the driver should be further notified */
-static bool ieee80211_quiesce(struct ieee80211_sub_if_data *sdata)
+static void ieee80211_quiesce(struct ieee80211_sub_if_data *sdata)
 {
         switch (sdata->vif.type) {
         case NL80211_IFTYPE_STATION:
                 ieee80211_sta_quiesce(sdata);
-                return true;
+                break;
         case NL80211_IFTYPE_ADHOC:
                 ieee80211_ibss_quiesce(sdata);
-                return true;
+                break;
         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;
+                break;
         default:
-                return true;
+                break;
         }
+
+        cancel_work_sync(&sdata->work);
 }
 
 int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
@@ -40,11 +38,14 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 
         ieee80211_scan_cancel(local);
 
+        ieee80211_dfs_cac_cancel(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);
         }
@@ -94,10 +95,9 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
                         WARN_ON(err != 1);
                         local->wowlan = false;
                 } else {
-                        list_for_each_entry(sdata, &local->interfaces, list) {
-                                cancel_work_sync(&sdata->work);
-                                ieee80211_quiesce(sdata);
-                        }
+                        list_for_each_entry(sdata, &local->interfaces, list)
+                                if (ieee80211_sdata_running(sdata))
+                                        ieee80211_quiesce(sdata);
                         goto suspend;
                 }
         }
@@ -124,17 +124,43 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 
         /* remove all interfaces */
         list_for_each_entry(sdata, &local->interfaces, list) {
-                cancel_work_sync(&sdata->work);
+                static u8 zero_addr[ETH_ALEN] = {};
+                u32 changed = 0;
 
-                if (!ieee80211_quiesce(sdata))
+                if (!ieee80211_sdata_running(sdata))
                         continue;
 
-                if (!ieee80211_sdata_running(sdata))
+                switch (sdata->vif.type) {
+                case NL80211_IFTYPE_AP_VLAN:
+                case NL80211_IFTYPE_MONITOR:
+                        /* skip these */
                         continue;
+                case NL80211_IFTYPE_STATION:
+                        if (sdata->vif.bss_conf.assoc)
+                                changed = BSS_CHANGED_ASSOC |
+                                          BSS_CHANGED_BSSID |
+                                          BSS_CHANGED_IDLE;
+                        break;
+                case NL80211_IFTYPE_AP:
+                case NL80211_IFTYPE_ADHOC:
+                case NL80211_IFTYPE_MESH_POINT:
+                        if (sdata->vif.bss_conf.enable_beacon)
+                                changed = BSS_CHANGED_BEACON_ENABLED;
+                        break;
+                default:
+                        break;
+                }
 
-                /* disable beaconing */
-                ieee80211_bss_info_change_notify(sdata,
-                        BSS_CHANGED_BEACON_ENABLED);
+                ieee80211_quiesce(sdata);
+
+                sdata->suspend_bss_conf = sdata->vif.bss_conf;
+                memset(&sdata->vif.bss_conf, 0, sizeof(sdata->vif.bss_conf));
+                sdata->vif.bss_conf.idle = true;
+                if (sdata->suspend_bss_conf.bssid)
+                        sdata->vif.bss_conf.bssid = zero_addr;
+
+                /* disable beaconing or remove association */
+                ieee80211_bss_info_change_notify(sdata, changed);
 
                 if (sdata->vif.type == NL80211_IFTYPE_AP &&
                     rcu_access_pointer(sdata->u.ap.beacon))
@@ -204,3 +230,13 @@ 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);