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wifi: mac80211: prevent VLANs on MLDs

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Do not allow VLANs to be added to AP interfaces that are
MLDs, this isn't going to work because the link structs
aren't propagated to the VLAN interfaces yet.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20220902161144.8c88531146e9.If2ef9a3b138d4f16ed2fda91c852da156bdf5e4d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2022-09-02 16:12:59 +02:00
parent bf99f11df4
commit ae960ee90b
1 changed files with 5 additions and 0 deletions
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5
net/mac80211/iface.c
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@ -296,6 +296,11 @@ static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata,
nsdata->vif.type))
return -ENOTUNIQ;
/* No support for VLAN with MLO yet */
if (iftype == NL80211_IFTYPE_AP_VLAN &&
nsdata->wdev.use_4addr)
return -EOPNOTSUPP;
/*
* can only add VLANs to enabled APs
*/