netdev - Re: [PATCH net-next 1/2] mlxsw: Register physical ports as a devlink resource

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Message-ID: <20210112202122.5751bc9f@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Tue, 12 Jan 2021 20:21:22 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Ido Schimmel <idosch@...sch.org>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, jiri@...dia.com,
        danieller@...dia.com, mlxsw@...dia.com,
        Ido Schimmel <idosch@...dia.com>
Subject: Re: [PATCH net-next 1/2] mlxsw: Register physical ports as a
 devlink resource

On Tue, 12 Jan 2021 10:39:30 +0200 Ido Schimmel wrote:
> From: Danielle Ratson <danieller@...dia.com>
> 
> The switch ASIC has a limited capacity of physical ('flavour physical'
> in devlink terminology) ports that it can support. While each system is
> brought up with a different number of ports, this number can be
> increased via splitting up to the ASIC's limit.
> 
> Expose physical ports as a devlink resource so that user space will have
> visibility to the maximum number of ports that can be supported and the
> current occupancy.

Any thoughts on making this a "generic" resource?

The limitation on number of logical ports is pretty common for switches.