According to 802.11-2007, we are doing the wrong thing in the
sequence number checks when receiving frames. This fixes it.
Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
---
net/mac80211/rx.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
--- everything.orig/net/mac80211/rx.c 2008-07-10 10:05:57.000000000 +0200
+++ everything/net/mac80211/rx.c 2008-07-10 10:08:07.000000000 +0200
@@ -334,13 +334,18 @@ static void ieee80211_parse_qos(struct i
else
rx->flags &= ~IEEE80211_RX_AMSDU;
} else {
- if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) {
- /* Separate TID for management frames */
- tid = NUM_RX_DATA_QUEUES - 1;
- } else {
- /* no qos control present */
- tid = 0; /* 802.1d - Best Effort */
- }
+ /*
+ * IEEE 802.11-2007, 7.1.3.4.1 ("Sequence Number field"):
+ *
+ * Sequence numbers for management frames, QoS data
+ * frames with a broadcast/multicast address in the
+ * Address 1 field, and all non-QoS data frames sent
+ * by QoS STAs are assigned using an additional single
+ * modulo-4096 counter, [...]
+ *
+ * We also use that counter for non-QoS STAs.
+ */
+ tid = NUM_RX_DATA_QUEUES - 1;
}
rx->queue = tid;
--
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