---

yaml
---
r: 213991
b: refs/heads/master
c: d1f5b7a
h: refs/heads/master
i:
  213989: e47d006
  213987: 5c87a50
  213983: 3e67985
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7da7cc1d42d8ce02cca16df8c021e6d657f1f8fd
+refs/heads/master: d1f5b7a34aa5ff703c4966ea2652d4212ac75940

trunk/include/net/mac80211.h

@@ -2548,6 +2548,18 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
  */
 void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success);
 
+/**
+ * ieee80211_request_smps - request SM PS transition
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @mode: new SM PS mode
+ *
+ * This allows the driver to request an SM PS transition in managed
+ * mode. This is useful when the driver has more information than
+ * the stack about possible interference, for example by bluetooth.
+ */
+void ieee80211_request_smps(struct ieee80211_vif *vif,
+			    enum ieee80211_smps_mode smps_mode);
+
 /* Rate control API */
 
 /**

trunk/net/mac80211/ht.c

@@ -265,3 +265,31 @@ int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
 
 	return 0;
 }
+
+void ieee80211_request_smps_work(struct work_struct *work)
+{
+	struct ieee80211_sub_if_data *sdata =
+		container_of(work, struct ieee80211_sub_if_data,
+			     u.mgd.request_smps_work);
+
+	mutex_lock(&sdata->u.mgd.mtx);
+	__ieee80211_request_smps(sdata, sdata->u.mgd.driver_smps_mode);
+	mutex_unlock(&sdata->u.mgd.mtx);
+}
+
+void ieee80211_request_smps(struct ieee80211_vif *vif,
+			    enum ieee80211_smps_mode smps_mode)
+{
+	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+	if (WARN_ON(vif->type != NL80211_IFTYPE_STATION))
+		return;
+
+	if (WARN_ON(smps_mode == IEEE80211_SMPS_OFF))
+		smps_mode = IEEE80211_SMPS_AUTOMATIC;
+
+	ieee80211_queue_work(&sdata->local->hw,
+			     &sdata->u.mgd.request_smps_work);
+}
+/* this might change ... don't want non-open drivers using it */
+EXPORT_SYMBOL_GPL(ieee80211_request_smps);

trunk/net/mac80211/ieee80211_i.h

@@ -343,7 +343,10 @@ struct ieee80211_if_managed {
 	unsigned long timers_running; /* used for quiesce/restart */
 	bool powersave; /* powersave requested for this iface */
 	enum ieee80211_smps_mode req_smps, /* requested smps mode */
-				 ap_smps; /* smps mode AP thinks we're in */
+				 ap_smps, /* smps mode AP thinks we're in */
+				 driver_smps_mode; /* smps mode request */
+
+	struct work_struct request_smps_work;
 
 	unsigned int flags;
 
@@ -1113,6 +1116,7 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
 int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
 			       enum ieee80211_smps_mode smps, const u8 *da,
 			       const u8 *bssid);
+void ieee80211_request_smps_work(struct work_struct *work);
 
 void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
 				     u16 initiator, u16 reason);

trunk/net/mac80211/mlme.c

@@ -1926,6 +1926,8 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
 	 * time -- the code here is properly synchronised.
 	 */
 
+	cancel_work_sync(&ifmgd->request_smps_work);
+
 	cancel_work_sync(&ifmgd->beacon_connection_loss_work);
 	if (del_timer_sync(&ifmgd->timer))
 		set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
@@ -1961,6 +1963,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
 	INIT_WORK(&ifmgd->chswitch_work, ieee80211_chswitch_work);
 	INIT_WORK(&ifmgd->beacon_connection_loss_work,
 		  ieee80211_beacon_connection_loss_work);
+	INIT_WORK(&ifmgd->request_smps_work, ieee80211_request_smps_work);
 	setup_timer(&ifmgd->timer, ieee80211_sta_timer,
 		    (unsigned long) sdata);
 	setup_timer(&ifmgd->bcn_mon_timer, ieee80211_sta_bcn_mon_timer,