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Date:   Thu, 31 Mar 2022 16:42:57 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Mattias Forsblad <mattias.forsblad@...il.com>
Cc:     netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Tobias Waldekranz <tobias@...dekranz.com>
Subject: Re: [RFC PATCH net-next 0/2] net: tc: dsa: Implement offload of
 matchall for bridged DSA ports

On Thu, Mar 31, 2022 at 10:06:20AM +0200, Mattias Forsblad wrote:
> Hi Vladimir,
> thanks for your comments. The patch series takes in account that a foreign
> interface is bridged and doesn't offload the rule in this case (dsa_slave_check_offload).

I certainly appreciate the intention, but it could be that a foreign
interface will join the bridge after the matchall action drop is
installed on the bridge. So actively monitoring bridge joins/leaves
would be required to offload/unoffload the rule.

> Regarding your previous comment point b. Tobias could see some problems
> with that approach. I'd think he will comment on that.

I'll respond there.

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