diff options
| author |   Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | 2011-01-31 20:48:16 +0200 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2011-02-04 16:29:49 -0500 |
| commit | f773e409b959677170b3cf1d573dafc4a0a3e34e (patch) | |
| tree | 4a01fc250187eae100369cfd641392db0bc73a56 | |
| parent | zd1211rw: support setting BSSID for AP mode (diff) | |
| download | linux-dev-f773e409b959677170b3cf1d573dafc4a0a3e34e.tar.xz linux-dev-f773e409b959677170b3cf1d573dafc4a0a3e34e.zip | |
zd1211rw: fix ack_pending in filter_ack causing tx-packet ordering problem on monitor
For reasons not very clear yet to me, filter_ack leaves matching tx-packet
pending with 'ack_pending'. This causes tx-packet to be passed back to upper
layer after next packet has been transfered and tx-packets might end up
coming come out of monitor interface in wrong order vs. rx.
Because of this when enable AP-mode, hostapd monitor interface would get
packets in wrong order causing problems in WPA association.
So don't use mac->ack_pending when in AP-mode.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_mac.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index ab0d1b9a08ec..84ac95eb59fa 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -799,6 +799,13 @@ static int filter_ack(struct ieee80211_hw *hw, struct ieee80211_hdr *rx_hdr, mac->ack_pending = 1; mac->ack_signal = stats->signal; + + /* Prevent pending tx-packet on AP-mode */ + if (mac->type == NL80211_IFTYPE_AP) { + skb = __skb_dequeue(q); + zd_mac_tx_status(hw, skb, mac->ack_signal, NULL); + mac->ack_pending = 0; + } } spin_unlock_irqrestore(&q->lock, flags); |