linux-kernel - Re: [PATCH net-next 1/5] net: dsa: mv88e6xxx: Improve isolation of standalone ports

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Message-ID: <20220201172014.v7amuqqksp4jl34x@skbuf>
Date:   Tue, 1 Feb 2022 19:20:14 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     Tobias Waldekranz <tobias@...dekranz.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 1/5] net: dsa: mv88e6xxx: Improve isolation of
 standalone ports

On Tue, Feb 01, 2022 at 07:06:34PM +0200, Vladimir Oltean wrote:
> Question: can we disable learning per FID? I searched for this in the
> limited documentation that I have, but I didn't see such option.
> Doing this would be advantageous because we'd end up with a bit more
> space in the ATU. With your solution we're just doing damage control.

Answering my own question...

Your patch 4/5 does disable learning for packets coming from standalone
ports, but not by FID, but by VTU policy. So that's good. Reading on...