mac80211: move blockack stop due to fragmentation

There's a corner case where we receive a fragmented
frame during a blockack session, in which case we
will terminate that session. To simplify future work
in this area that will culminate in allowing the
driver callbacks for aggregation to sleep, move the
processing of this case out of the RX path into the
interface work.

This will simplify future work because the new place
for this code doesn't require that the function will
always be atomic, which the RX path needs.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2010-06-10 10:21:36 +02:00
committed by John W. Linville
parent bed7ee6e44
commit 344eec67c7
2 changed files with 33 additions and 4 deletions

View File

@@ -741,9 +741,8 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
sc = le16_to_cpu(hdr->seq_ctrl);
if (sc & IEEE80211_SCTL_FRAG) {
spin_unlock(&sta->lock);
__ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
WLAN_REASON_QSTA_REQUIRE_SETUP);
dev_kfree_skb(skb);
skb_queue_tail(&rx->sdata->skb_queue, skb);
ieee80211_queue_work(&local->hw, &rx->sdata->work);
return;
}