openwrt/package/kernel/mac80211/patches/subsys/308-wifi-mac80211-fix-MLO-AP_VLAN-check.patch
Felix Fietkau b7a7a97037 mac80211: fix connecting multiple wds stations to an AP
A faulty check prevented the AP_VLAN interfaces from being brought up

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-12-14 13:54:02 +01:00

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Diff

From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 14 Dec 2022 13:46:38 +0100
Subject: [PATCH] wifi: mac80211: fix MLO + AP_VLAN check
Instead of preventing adding AP_VLAN to MLO enabled APs, this check was
preventing adding more than one 4-addr AP_VLAN regardless of the MLO status.
Fix this by adding missing extra checks.
Fixes: ae960ee90bb1 ("wifi: mac80211: prevent VLANs on MLDs")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -364,7 +364,9 @@ static int ieee80211_check_concurrent_if
/* No support for VLAN with MLO yet */
if (iftype == NL80211_IFTYPE_AP_VLAN &&
- nsdata->wdev.use_4addr)
+ sdata->wdev.use_4addr &&
+ nsdata->vif.type == NL80211_IFTYPE_AP &&
+ nsdata->vif.valid_links)
return -EOPNOTSUPP;
/*