Commit 11f7f4f9 authored by Felix Fietkau's avatar Felix Fietkau Committed by Kalle Valo
Browse files

ath9k: fix moredata bit in PS buffered frame release 



Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 3a69dd36

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

+20 −0
Original line number Diff line number Diff line
@@ -1659,6 +1659,22 @@ void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an) 
	}

}





static void

ath9k_set_moredata(struct ath_softc *sc, struct ath_buf *bf, bool val)

{

	struct ieee80211_hdr *hdr;

	u16 mask = cpu_to_le16(IEEE80211_FCTL_MOREDATA);

	u16 mask_val = mask * val;



	hdr = (struct ieee80211_hdr *) bf->bf_mpdu->data;

	if ((hdr->frame_control & mask) != mask_val) {

		hdr->frame_control = (hdr->frame_control & ~mask) | mask_val;

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

			sizeof(*hdr), DMA_TO_DEVICE);

	}

}



void ath9k_release_buffered_frames(struct ieee80211_hw *hw,

				   struct ieee80211_sta *sta,

				   u16 tids, int nframes,
@@ -1689,6 +1705,7 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, 
			if (!bf)

				break;



			ath9k_set_moredata(sc, bf, true);

			list_add_tail(&bf->list, &bf_q);

			ath_set_rates(tid->an->vif, tid->an->sta, bf);

			if (bf_isampdu(bf)) {
@@ -1712,6 +1729,9 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, 
	if (list_empty(&bf_q))

		return;



	if (!more_data)

		ath9k_set_moredata(sc, bf_tail, false);



	info = IEEE80211_SKB_CB(bf_tail->bf_mpdu);

	info->flags |= IEEE80211_TX_STATUS_EOSP;