mac80211: wait for beacon before enabling powersave

[safe/jmp/linux-2.6] / include / net / mac80211.h

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f64402f..1e9c930 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -186,7 +186,8 @@ enum ieee80211_bss_change {
  * @use_short_slot: use short slot time (only relevant for ERP);
  *     if the hardware cannot handle this it must set the
  *     IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE hardware flag
- * @dtim_period: num of beacons before the next DTIM, for PSM
+ * @dtim_period: num of beacons before the next DTIM, for beaconing,
+ *     not valid in station mode (cf. hw conf ps_dtim_period)
  * @timestamp: beacon timestamp
  * @beacon_int: beacon interval
  * @assoc_capability: capabilities taken from assoc resp
@@ -648,6 +649,9 @@ enum ieee80211_smps_mode {
  *     value will be only achievable between DTIM frames, the hardware
  *     needs to check for the multicast traffic bit in DTIM beacons.
  *     This variable is valid only when the CONF_PS flag is set.
+ * @ps_dtim_period: The DTIM period of the AP we're connected to, for use
+ *     in power saving. Power saving will not be enabled until a beacon
+ *     has been received and the DTIM period is known.
  * @dynamic_ps_timeout: The dynamic powersave timeout (in ms), see the
  *     powersave documentation below. This variable is valid only when
  *     the CONF_PS flag is set.
@@ -674,6 +678,7 @@ struct ieee80211_conf {
        int max_sleep_period;
 
        u16 listen_interval;
+       u8 ps_dtim_period;
 
        u8 long_frame_max_tx_count, short_frame_max_tx_count;