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>
This commit is contained in:
Felix Fietkau 2022-12-14 13:53:40 +01:00
parent 823ddab80e
commit b7a7a97037
2 changed files with 26 additions and 1 deletions

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@ -0,0 +1,25 @@
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;
/*

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@ -80,7 +80,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -2179,6 +2179,7 @@ int ieee80211_if_add(struct ieee80211_lo
@@ -2181,6 +2181,7 @@ int ieee80211_if_add(struct ieee80211_lo
ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
ndev->hw_features |= ndev->features &
MAC80211_SUPPORTED_FEATURES_TX;