netdev - Re: [PATCH net-next 2/8] devlink: add PF and VF port flavours

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Message-ID: <20190227092326.5abf417b@cakuba.netronome.com>
Date:   Wed, 27 Feb 2019 09:23:26 -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
Subject: Re: [PATCH net-next 2/8] devlink: add PF and VF port flavours

On Wed, 27 Feb 2019 13:41:35 +0100, Jiri Pirko wrote:
> Wed, Feb 27, 2019 at 01:23:27PM CET, jiri@...nulli.us wrote:
> >Tue, Feb 26, 2019 at 07:24:30PM CET, jakub.kicinski@...ronome.com wrote:  
> >>Current port flavours cover simple switches and DSA.  Add PF
> >>and VF flavours to cover "switchdev" SR-IOV NICs.
> >>
> >>Example devlink user space output:
> >>
> >>$ devlink port
> >>pci/0000:82:00.0/0: type eth netdev p4p1 flavour physical
> >>pci/0000:82:00.0/10000: type eth netdev eth0 flavour pcie_pf pf 0
> >>pci/0000:82:00.0/10001: type eth netdev eth1 flavour pcie_vf pf 0 vf 0
> >>pci/0000:82:00.0/10002: type eth netdev eth2 flavour pcie_vf pf 0 vf 1  
> >
> >Wait a second, howcome pf and vfs have the same PCI address?  
> 
> Oh, I think you have these as eswitch port representors. Confusing...

FWIW I don't like the word representor, its a port. We don't call
physical ports "representors" even though from ASIC's point of view
they are exactly the same.