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path: root/drivers/net/wireless/ath/ath9k/main.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c42
1 files changed, 41 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 17ebdf1e8b7b..a198ee374b05 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008-2009 Atheros Communications Inc.
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -2332,6 +2332,45 @@ static bool ath9k_tx_frames_pending(struct ieee80211_hw *hw)
return false;
}
+int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ieee80211_vif *vif;
+ struct ath_vif *avp;
+ struct ath_buf *bf;
+ struct ath_tx_status ts;
+ int status;
+
+ vif = sc->beacon.bslot[0];
+ if (!vif)
+ return 0;
+
+ avp = (void *)vif->drv_priv;
+ if (!avp->is_bslot_active)
+ return 0;
+
+ if (!sc->beacon.tx_processed) {
+ tasklet_disable(&sc->bcon_tasklet);
+
+ bf = avp->av_bcbuf;
+ if (!bf || !bf->bf_mpdu)
+ goto skip;
+
+ status = ath9k_hw_txprocdesc(ah, bf->bf_desc, &ts);
+ if (status == -EINPROGRESS)
+ goto skip;
+
+ sc->beacon.tx_processed = true;
+ sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK);
+
+skip:
+ tasklet_enable(&sc->bcon_tasklet);
+ }
+
+ return sc->beacon.tx_last;
+}
+
struct ieee80211_ops ath9k_ops = {
.tx = ath9k_tx,
.start = ath9k_start,
@@ -2356,4 +2395,5 @@ struct ieee80211_ops ath9k_ops = {
.set_coverage_class = ath9k_set_coverage_class,
.flush = ath9k_flush,
.tx_frames_pending = ath9k_tx_frames_pending,
+ .tx_last_beacon = ath9k_tx_last_beacon,
};