netdev - Re: [PATCH net-next 4/8] devlink: allow subports on devlink PCI ports

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Date:   Fri, 1 Mar 2019 08:04:01 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     davem@...emloft.net, oss-drivers@...ronome.com,
        netdev@...r.kernel.org, parav@...lanox.com, jgg@...lanox.com
Subject: Re: [PATCH net-next 4/8] devlink: allow subports on devlink PCI
 ports

On Fri, 1 Mar 2019 08:25:57 +0100, Jiri Pirko wrote:
> >> I think it would be beneficial to have the switchid shown for devlink
> >> ports too. Then it is clean that the devlink ports with the same
> >> switchid belong to the same switch, and other ports under the same
> >> devlink instance (like PF itself) is separate, but still under the same
> >> ASIC.  
> >
> >Sure, you mean in terms of UI - user space can do a link dump or get
> >that from sysfs, right?  
> 
> I thinking about moving it to devlink. I'll work on it more today.

At the kernel level?  Are we sure this is appropriate?  I'd think
switchid is in essence a forwarding attribute, so it belongs with
netdevs, no?