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authorJohannes Berg <johannes@sipsolutions.net>2009-03-23 19:28:41 +0300
committerJohn W. Linville <linville@tuxdriver.com>2009-03-28 03:13:22 +0300
commitcd8ffc800ce18e558335c4946b2217864fc16045 (patch)
treee9bb8c3d6011e89374f9df353ff1f15d45a63590 /net/mac80211/sta_info.h
parenta220858d30604902f650074bfac5a7598bc97ea4 (diff)
downloadlinux-cd8ffc800ce18e558335c4946b2217864fc16045.tar.xz
mac80211: fix aggregation to not require queue stop
Instead of stopping the entire AC queue when enabling aggregation (which was only done for hardware with aggregation queues) buffer the packets for each station, and release them to the pending skb queue once aggregation is turned on successfully. We get a little more code, but it becomes conceptually simpler and we can remove the entire virtual queue mechanism from mac80211 in a follow-up patch. This changes how mac80211 behaves towards drivers that support aggregation but have no hardware queues -- those drivers will now not be handed packets while the aggregation session is being established, but only after it has been fully established. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/sta_info.h')
-rw-r--r--net/mac80211/sta_info.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 5b223b216e5a..18fd5d1a4422 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -73,11 +73,13 @@ enum ieee80211_sta_info_flags {
* struct tid_ampdu_tx - TID aggregation information (Tx).
*
* @addba_resp_timer: timer for peer's response to addba request
+ * @pending: pending frames queue -- use sta's spinlock to protect
* @ssn: Starting Sequence Number expected to be aggregated.
* @dialog_token: dialog token for aggregation session
*/
struct tid_ampdu_tx {
struct timer_list addba_resp_timer;
+ struct sk_buff_head pending;
u16 ssn;
u8 dialog_token;
};