2022-06-22 08:32:10

by MeiChia Chiu

[permalink] [raw]
Subject: [PATCH] mt76: do not check the ccmp pn for ONLY_MONITOR frame

if the received frame enables RX_FLAG_ONLY_MONITOR,
driver doesn't need to check the ccmp pn of this frame.

Reviewed-by: Ryder Lee <[email protected]>
Signed-off-by: MeiChia Chiu <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mac80211.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 60da9995357e..ecf5bd9605db 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -1030,6 +1030,9 @@ mt76_check_ccmp_pn(struct sk_buff *skb)
if (!(status->flag & RX_FLAG_DECRYPTED))
return 0;

+ if (status->flag & RX_FLAG_ONLY_MONITOR)
+ return 0;
+
if (!wcid || !wcid->rx_check_pn)
return 0;

--
2.18.0