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authorJohannes Berg <johannes@sipsolutions.net>2008-05-17 00:57:13 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-05-21 21:48:13 -0400
commiteefce91a384a64c7bbf913eb08c4adfb911c3639 (patch)
treeac091cd36f7739d9934a7ee01950a9da3e7cfc8b /include/net/mac80211.h
parente93048825face354ecb0cb3ac00190c764a44f45 (diff)
mac80211: dont allow fragmentation and requeuing on A-MPDU queues
There really is no reason for a driver to reject a frame on an A-MPDU queue when it can stop that queue for any period of time and is given frames one by one. Hence, disallow it with a big warning and reduce mac80211-internal state. Also add a warning when we try to fragment a frame destined for an A-MPDU queue and drop it, the actual bug needs to be fixed elsewhere but I'm not exactly sure how to yet. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net/mac80211.h')
-rw-r--r--include/net/mac80211.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 54960b83db7..4df39eb9115 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -986,8 +986,10 @@ enum ieee80211_ampdu_mlme_action {
* @tx: Handler that 802.11 module calls for each transmitted frame.
* skb contains the buffer starting from the IEEE 802.11 header.
* The low-level driver should send the frame out based on
- * configuration in the TX control data. Must be implemented and
- * atomic.
+ * configuration in the TX control data. This handler should,
+ * preferably, never fail and stop queues appropriately, more
+ * importantly, however, it must never fail for A-MPDU-queues.
+ * Must be implemented and atomic.
*
* @start: Called before the first netdevice attached to the hardware
* is enabled. This should turn on the hardware and must turn on