diff options
| author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2012-04-17 08:34:50 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-04-17 14:17:05 -0400 |
| commit | fd09c85fe15aa66a69f091ba178817d5ef82476d (patch) | |
| tree | 54f0d5a8ed38406cf610d37aee1a597375beff20 /drivers/net/wireless/ath/ath9k | |
| parent | 6741e7f048dacc92e37c5d724ff5c64e45f6c2c9 (diff) | |
ath9k: Fix TX fragmentation
Assigning sequence number for frames without taking care
of the fragment field breaks transmission of fragmented frames.
Fix this by assigning the fragment number properly.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 834e6bc45e8..23eaa1b26eb 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1820,6 +1820,7 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc, struct ath_frame_info *fi = get_frame_info(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ath_buf *bf; + int fragno; u16 seqno; bf = ath_tx_get_buffer(sc); @@ -1831,9 +1832,16 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc, ATH_TXBUF_RESET(bf); if (tid) { + fragno = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG; seqno = tid->seq_next; hdr->seq_ctrl = cpu_to_le16(tid->seq_next << IEEE80211_SEQ_SEQ_SHIFT); - INCR(tid->seq_next, IEEE80211_SEQ_MAX); + + if (fragno) + hdr->seq_ctrl |= cpu_to_le16(fragno); + + if (!ieee80211_has_morefrags(hdr->frame_control)) + INCR(tid->seq_next, IEEE80211_SEQ_MAX); + bf->bf_state.seqno = seqno; } |