mac80211: notify the driver on reordering buffer timeout

[deliverable/linux.git] / include / net / mac80211.h

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 4feb74da5eaf059a1fc1843dfbe1d211f24e4826..331429898ea12e3d28e43f594dacda49698d0c0c 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -337,10 +337,16 @@ enum ieee80211_bss_change {
  * enum ieee80211_event_type - event to be notified to the low level driver
  * @RSSI_EVENT: AP's rssi crossed the a threshold set by the driver.
  * @MLME_EVENT: event related to MLME
+ * @BAR_RX_EVENT: a BAR was received
+ * @BA_FRAME_TIMEOUT: Frames were released from the reordering buffer because
+ *     they timed out. This won't be called for each frame released, but only
+ *     once each time the timeout triggers.
  */
 enum ieee80211_event_type {
        RSSI_EVENT,
        MLME_EVENT,
+       BAR_RX_EVENT,
+       BA_FRAME_TIMEOUT,
 };
 
 /**
@@ -399,18 +405,32 @@ struct ieee80211_mlme_event {
        u16 reason;
 };
 
+/**
+ * struct ieee80211_ba_event - data attached for BlockAck related events
+ * @sta: pointer to the &ieee80211_sta to which this event relates
+ * @tid: the tid
+ * @ssn: the starting sequence number (for %BAR_RX_EVENT)
+ */
+struct ieee80211_ba_event {
+       struct ieee80211_sta *sta;
+       u16 tid;
+       u16 ssn;
+};
+
 /**
  * struct ieee80211_event - event to be sent to the driver
  * @type: The event itself. See &enum ieee80211_event_type.
  * @rssi: relevant if &type is %RSSI_EVENT
  * @mlme: relevant if &type is %AUTH_EVENT
- * @u:    union holding the above two fields
+ * @ba: relevant if &type is %BAR_RX_EVENT or %BA_FRAME_TIMEOUT
+ * @u:union holding the fields above
  */
 struct ieee80211_event {
        enum ieee80211_event_type type;
        union {
                struct ieee80211_rssi_event rssi;
                struct ieee80211_mlme_event mlme;
+               struct ieee80211_ba_event ba;
        } u;
 };
 
@@ -3001,7 +3021,7 @@ enum ieee80211_reconfig_type {
  *     The callback can sleep.
  * @event_callback: Notify driver about any event in mac80211. See
  *     &enum ieee80211_event_type for the different types.
- *     The callback can sleep.
+ *     The callback must be atomic.
  *
  * @release_buffered_frames: Release buffered frames according to the given
  *     parameters. In the case where the driver buffers some frames for