netdev - Bridge port isolation offload

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Message-ID: <CALW65jbotyW0MSOd-bd1TH_mkiBWhhRCQ29jgn+d12rXdj2pZA@mail.gmail.com>
Date:   Tue, 10 Aug 2021 12:40:49 +0800
From:   DENG Qingfang <dqfext@...il.com>
To:     Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <nikolay@...dia.com>,
        David Miller <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        bridge@...ts.linux-foundation.org, netdev <netdev@...r.kernel.org>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>
Subject: Bridge port isolation offload

Hi,

Bridge port isolation flag (BR_ISOLATED) was added in commit
7d850abd5f4e. But switchdev does not offload it currently.
It should be easy to implement in drivers, just like bridge offload
but prevent isolated ports to communicate with each other.

Your thoughts?

Regards,
  Qingfang