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Message-ID: <20230209193014.3aae3f26@kernel.org>
Date:   Thu, 9 Feb 2023 19:30:14 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Yinjun Zhang <yinjun.zhang@...igine.com>
Cc:     Jiri Pirko <jiri@...nulli.us>, Saeed Mahameed <saeed@...nel.org>,
        Simon Horman <simon.horman@...igine.com>,
        Leon Romanovsky <leon@...nel.org>,
        David Miller <davem@...emloft.net>,
        Paolo Abeni <pabeni@...hat.com>,
        Michael Chan <michael.chan@...adcom.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        Gal Pressman <gal@...dia.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        Edward Cree <ecree.xilinx@...il.com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Andrew Lunn <andrew@...n.ch>, Fei Qin <fei.qin@...igine.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        oss-drivers <oss-drivers@...igine.com>
Subject: Re: [PATCH/RFC net-next 1/2] devlink: expose port function commands
 to assign VFs to multiple netdevs

On Fri, 10 Feb 2023 02:14:27 +0000 Yinjun Zhang wrote:
> I understand in switchdev mode, the fine-grained manipulation by TC can do it.
> While legacy has fixed forwarding rule, and we hope it can be implemented without
> too much involved configuration from user if they only want legacy forwarding.
> 
> As multi-port mapping to one PF NIC is scarce, maybe we should implement is as
> vendor specific configuration, make sense?

Vendor extension or not we are disallowing adding configuration 
for legacy SR-IOV mode. We want people to move to switchdev mode,
otherwise we'll have to keep extending both for ever.

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