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From: Felix Fietkau <nbd@nbd.name>
To: linux-wireless@vger.kernel.org
Cc: toke@redhat.com
Subject: [PATCH v2 5/6] mac80211: fix fast-rx encryption check
Date: Fri, 18 Dec 2020 19:47:17 +0100
Message-ID: <20201218184718.93650-5-nbd@nbd.name> (raw)
In-Reply-To: <20201218184718.93650-1-nbd@nbd.name>

When using WEP, the default unicast key needs to be selected, instead of
the STA PTK.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 net/mac80211/rx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 13b9bcc4865d..972895e9f22d 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4176,6 +4176,8 @@ void ieee80211_check_fast_rx(struct sta_info *sta)
 
 	rcu_read_lock();
 	key = rcu_dereference(sta->ptk[sta->ptk_idx]);
+	if (!key)
+		key = rcu_dereference(sdata->default_unicast_key);
 	if (key) {
 		switch (key->conf.cipher) {
 		case WLAN_CIPHER_SUITE_TKIP:
-- 
2.28.0


  parent reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-18 18:47 [PATCH v2 1/6] net/fq_impl: bulk-free packets from a flow on overmemory Felix Fietkau
2020-12-18 18:47 ` [PATCH v2 2/6] net/fq_impl: drop get_default_func, move default flow to fq_tin Felix Fietkau
2020-12-18 18:47 ` [PATCH v2 3/6] net/fq_impl: do not maintain a backlog-sorted list of flows Felix Fietkau
2020-12-18 18:47 ` [PATCH v2 4/6] mac80211: fix encryption key selection for 802.3 xmit Felix Fietkau
2020-12-18 18:47 ` Felix Fietkau [this message]
2020-12-18 18:47 ` [PATCH v2 6/6] mac80211: add rx decapsulation offload support Felix Fietkau

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