netdev - Re: [PATCH/RFC net-next 1/2] devlink: expose port function commands to assign VFs to multiple netdevs

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Message-ID: <Y+REcLbT6LYLJS7U@x130>
Date:   Wed, 8 Feb 2023 16:55:12 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     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, oss-drivers@...igine.com
Subject: Re: [PATCH/RFC net-next 1/2] devlink: expose port function commands
 to assign VFs to multiple netdevs

On 08 Feb 15:35, Jakub Kicinski wrote:
>On Wed, 8 Feb 2023 13:37:08 -0800 Saeed Mahameed wrote:
>> I don't understand the difference between the two modes,
>> 1) "where VFs are associated with physical ports"
>> 2) "another mode where all VFs are associated with one physical port"
>>
>> anyway here how it works for ConnectX devices, and i think the model should
>> be generalized to others as it simplifies the user life in my opinion.
>
>I'm guessing the version of the NFP Simon posted this for behaves
>much like CX3 / mlx4. One PF, multiple Ethernet ports.

Then the question is, can they do PF per port and avoid such complex APIs ?