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Commit f11cc949 authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

ath9k: sync the dma buffer after changing the retry flag 



Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0c28ec58

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

+3 −0
Original line number Diff line number Diff line
@@ -262,6 +262,7 @@ static void ath_tx_set_retry(struct ath_softc *sc, struct ath_txq *txq, 
			     struct sk_buff *skb)

{

	struct ath_frame_info *fi = get_frame_info(skb);

	struct ath_buf *bf = fi->bf;

	struct ieee80211_hdr *hdr;



	TX_STAT_INC(txq->axq_qnum, a_retries);
@@ -270,6 +271,8 @@ static void ath_tx_set_retry(struct ath_softc *sc, struct ath_txq *txq, 


	hdr = (struct ieee80211_hdr *)skb->data;

	hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_RETRY);

	dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,

		sizeof(*hdr), DMA_TO_DEVICE);

}



static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc)