26 lines
922 B
Diff
26 lines
922 B
Diff
From: Johannes Berg <johannes.berg@intel.com>
|
|
Date: Mon, 29 Aug 2016 23:25:19 +0300
|
|
Subject: [PATCH] mac80211: send delBA on unexpected BlockAck Request
|
|
|
|
If we don't have a BA session, send delBA, as requested by the
|
|
IEEE 802.11 spec. Apply the same limit of sending such a delBA
|
|
only once as in the previous patch.
|
|
|
|
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
---
|
|
|
|
--- a/net/mac80211/rx.c
|
|
+++ b/net/mac80211/rx.c
|
|
@@ -2537,6 +2537,12 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_
|
|
|
|
tid = le16_to_cpu(bar_data.control) >> 12;
|
|
|
|
+ if (!test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) &&
|
|
+ !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg))
|
|
+ ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid,
|
|
+ WLAN_BACK_RECIPIENT,
|
|
+ WLAN_REASON_QSTA_REQUIRE_SETUP);
|
|
+
|
|
tid_agg_rx = rcu_dereference(rx->sta->ampdu_mlme.tid_rx[tid]);
|
|
if (!tid_agg_rx)
|
|
return RX_DROP_MONITOR;
|