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- From: Felix Fietkau <nbd@nbd.name>
- Date: Sun, 28 Aug 2016 13:13:01 +0200
- Subject: [PATCH] ath9k: fix moredata bit in PS buffered frame release
- Signed-off-by: Felix Fietkau <nbd@nbd.name>
- ---
- --- a/drivers/net/wireless/ath/ath9k/xmit.c
- +++ b/drivers/net/wireless/ath/ath9k/xmit.c
- @@ -1694,6 +1694,22 @@ void ath_tx_aggr_wakeup(struct ath_softc
- }
- }
-
- +
- +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,
- @@ -1724,6 +1740,7 @@ void ath9k_release_buffered_frames(struc
- 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, true);
- if (bf_isampdu(bf)) {
- @@ -1747,6 +1764,9 @@ void ath9k_release_buffered_frames(struc
- 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;
-
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