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-rw-r--r--net/mac80211/rx.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index a8d862f9183c..b04ca4049c95 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3,6 +3,7 @@
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2013-2014 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -835,6 +836,16 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata
spin_lock(&tid_agg_rx->reorder_lock);
+ /*
+ * Offloaded BA sessions have no known starting sequence number so pick
+ * one from first Rxed frame for this tid after BA was started.
+ */
+ if (unlikely(tid_agg_rx->auto_seq)) {
+ tid_agg_rx->auto_seq = false;
+ tid_agg_rx->ssn = mpdu_seq_num;
+ tid_agg_rx->head_seq_num = mpdu_seq_num;
+ }
+
buf_size = tid_agg_rx->buf_size;
head_seq_num = tid_agg_rx->head_seq_num;