netdev - Re: [PATCH net-next 11/15] mlxsw: spectrum_switchdev: Add locked bridge port support

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Message-ID: <Y2tkNa7nnAdeD5Nc@shredder>
Date:   Wed, 9 Nov 2022 10:26:29 +0200
From:   Ido Schimmel <idosch@...dia.com>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     Petr Machata <petrm@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Ivan Vecera <ivecera@...hat.com>, netdev@...r.kernel.org,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Roopa Prabhu <roopa@...dia.com>, Jiri Pirko <jiri@...dia.com>,
        bridge@...ts.linux-foundation.org,
        "Hans J . Schultz" <netdev@...io-technology.com>, mlxsw@...dia.com
Subject: Re: [PATCH net-next 11/15] mlxsw: spectrum_switchdev: Add locked
 bridge port support

On Tue, Nov 08, 2022 at 04:59:29PM +0200, Vladimir Oltean wrote:
> Can't really figure out from the patch, sorry. Port security works with
> LAG offload?

Yes. It's just that port security needs to be enabled on each of the
member ports. FDB entries that point to a LAG are programmed with a
lag_id. When a packet is received from a LAG the hardware will compare
source_lag_id == lag_id instead of rx_local_port == tx_local_port.