2011-02-08 19:31:50 +00:00
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--- a/include/net/mac80211.h
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+++ b/include/net/mac80211.h
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2011-02-27 11:22:26 +00:00
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@@ -2209,6 +2209,20 @@ static inline int ieee80211_sta_ps_trans
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2011-02-08 19:31:50 +00:00
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#define IEEE80211_TX_STATUS_HEADROOM 13
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/**
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+ * ieee80211_sta_set_tim - set the TIM bit for a sleeping station
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+ *
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+ * If a driver buffers frames for a powersave station instead of passing
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+ * them back to mac80211 for retransmission, the station needs to be told
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+ * to wake up using the TIM bitmap in the beacon.
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+ *
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+ * This function sets the station's TIM bit - it will be cleared automatically
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+ * either when the station wakes up (and mac80211 has flushed out its
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+ * buffered frames), or if all remaining buffered frames in mac80211 have
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+ * timed out.
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+ */
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+void ieee80211_sta_set_tim(struct ieee80211_sta *sta);
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+
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+/**
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* ieee80211_tx_status - transmit status callback
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*
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* Call this function for all transmitted frames after they have been
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--- a/net/mac80211/sta_info.c
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+++ b/net/mac80211/sta_info.c
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@@ -991,3 +991,11 @@ void ieee80211_sta_block_awake(struct ie
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ieee80211_queue_work(hw, &sta->drv_unblock_wk);
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}
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EXPORT_SYMBOL(ieee80211_sta_block_awake);
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+
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+void ieee80211_sta_set_tim(struct ieee80211_sta *pubsta)
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+{
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+ struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
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+
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+ sta_info_set_tim_bit(sta);
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+}
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+EXPORT_SYMBOL(ieee80211_sta_set_tim);
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