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Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r--net/mac80211/rx.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 3173dcf..72c1eb4 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -747,7 +747,7 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx)
struct sta_info *sta = rx->sta;
struct tid_ampdu_rx *tid_agg_rx;
u16 sc;
- int tid;
+ u8 tid, ack_policy;
if (!ieee80211_is_data_qos(hdr->frame_control))
goto dont_reorder;
@@ -760,6 +760,8 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx)
if (!sta)
goto dont_reorder;
+ ack_policy = *ieee80211_get_qos_ctl(hdr) &
+ IEEE80211_QOS_CTL_ACK_POLICY_MASK;
tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);
@@ -770,6 +772,11 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx)
if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))
goto dont_reorder;
+ /* not part of a BA session */
+ if (ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK &&
+ ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_NORMAL)
+ goto dont_reorder;
+
/* new, potentially un-ordered, ampdu frame - process it */
/* reset session timer */
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