Subject: Re: [PATCH net-next 1/4] net: bridge: Add support for bridge port in locked mode

From: Andrew Lunn <[email-masked]>
Date: Mon, 7 Feb 2022 14:53:32 +0100

> > +	if (p->flags & BR_PORT_LOCKED) {
> > +		fdb_entry = br_fdb_find_rcu(br, eth_hdr(skb)->h_source, vid);
> > +		if (!(fdb_entry && fdb_entry->dst == p))
> > +			goto drop;
> 
> I'm not familiar with 802.1X so I have some questions:

Me neither.

> 
> 1. Do we need to differentiate between no FDB entry and an FDB entry
> pointing to a different port than we expect?

And extending that question, a static vs a dynamic entry?

    Andrew