Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-26 04:42:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

ath9k: fix moredata bit in PS buffered frame release

Browse Source 
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Felix Fietkau 2018-07-30 21:31:19 +03:00 committed by Kalle Valo
parent 3a69dd3668
commit 11f7f4f9c0
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -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;