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