From: Vasanthakumar Thiagarajan <vasanth@xxxxxxxxxxx>
Update tx BA window and complete the frame as failed
one if we can't clone the holding descriptor due to
unavailability of descriptors.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/xmit.c | 18 +++++++++++++++++-
1 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 24663ce..4ff155e 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -382,8 +382,24 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
struct ath_buf *tbf;
tbf = ath_clone_txbuf(sc, bf_last);
- if (!tbf)
+ /*
+ * Update tx baw and complete the frame with
+ * failed status if we run out of tx buf
+ */
+ if (!tbf) {
+ spin_lock_bh(&txq->axq_lock);
+ ath_tx_update_baw(sc, tid,
+ bf->bf_seqno);
+ spin_unlock_bh(&txq->axq_lock);
+
+ bf->bf_state.bf_type |= BUF_XRETRY;
+ ath_tx_rc_status(bf, ds, nbad,
+ 0, false);
+ ath_tx_complete_buf(sc, bf, &bf_head,
+ 0, 0);
break;
+ }
+
ath9k_hw_cleartxdesc(sc->sc_ah, tbf->bf_desc);
list_add_tail(&tbf->list, &bf_head);
} else {
--
1.6.0.6
--
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