Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b11b160d authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

ath9k: validate the TID in the tx status information 



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: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent e5cbef96

drivers/net/wireless/ath/ath9k/xmit.c

+8 −0
Original line number Diff line number Diff line
@@ -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);