Occasionally the hardware can send out tx status information with the wrong TID. In that case, the BA status cannot be trusted and the aggregate must be retransmitted. Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/xmit.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 05ec36a..bd52ac1 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -355,6 +355,14 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, an = (struct ath_node *)sta->drv_priv; tid = ATH_AN_2_TID(an, bf->bf_tidno); + /* + * The hardware occasionally sends a tx status for the wrong TID. + * In this case, the BA status cannot be considered valid and all + * subframes need to be retransmitted + */ + if (bf->bf_tidno != ts->tid) + txok = false; + isaggr = bf_isaggr(bf); memset(ba, 0, WME_BA_BMP_SIZE >> 3); -- 1.6.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
