mac80211: backport latest version from trunk

[openwrt-10.03/.git] / package / mac80211 / patches / 530-mac80211_drv_tim_override.patch

diff --git a/package/mac80211/patches/530-mac80211_drv_tim_override.patch b/package/mac80211/patches/530-mac80211_drv_tim_override.patch
new file mode 100644 (file)
index 0000000..e64d3aa
--- /dev/null
+++ b/package/mac80211/patches/530-mac80211_drv_tim_override.patch
@@ -0,0 +1,37 @@
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -2198,6 +2198,20 @@ static inline int ieee80211_sta_ps_trans
+ #define IEEE80211_TX_STATUS_HEADROOM  13
+ 
+ /**
++ * ieee80211_sta_set_tim - set the TIM bit for a sleeping station
++ *
++ * If a driver buffers frames for a powersave station instead of passing
++ * them back to mac80211 for retransmission, the station needs to be told
++ * to wake up using the TIM bitmap in the beacon.
++ *
++ * This function sets the station's TIM bit - it will be cleared automatically
++ * either when the station wakes up (and mac80211 has flushed out its
++ * buffered frames), or if all remaining buffered frames in mac80211 have
++ * timed out.
++ */
++void ieee80211_sta_set_tim(struct ieee80211_sta *sta);
++
++/**
+  * ieee80211_tx_status - transmit status callback
+  *
+  * Call this function for all transmitted frames after they have been
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -991,3 +991,11 @@ void ieee80211_sta_block_awake(struct ie
+               ieee80211_queue_work(hw, &sta->drv_unblock_wk);
+ }
+ EXPORT_SYMBOL(ieee80211_sta_block_awake);
++
++void ieee80211_sta_set_tim(struct ieee80211_sta *pubsta)
++{
++      struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
++
++      sta_info_set_tim_bit(sta);
++}
++EXPORT_SYMBOL(ieee80211_sta_set_tim);