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path: root/drivers/net/wireless/rt2x00
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Diffstat (limited to 'drivers/net/wireless/rt2x00')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 0e21aaf53bb4..9ff58231abcd 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4484,8 +4484,19 @@ int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 *ssn,
u8 buf_size)
{
+ struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
int ret = 0;
+ /*
+ * Don't allow aggregation for stations the hardware isn't aware
+ * of because tx status reports for frames to an unknown station
+ * always contain wcid=255 and thus we can't distinguish between
+ * multiple stations which leads to unwanted situations when the
+ * hw reorders frames due to aggregation.
+ */
+ if (sta_priv->wcid < 0)
+ return 1;
+
switch (action) {
case IEEE80211_AMPDU_RX_START:
case IEEE80211_AMPDU_RX_STOP: