netdev - Re: [PATCH net-next 00/13] Add mlx5 subfunction support

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Message-ID: <20201119173521.204c4595@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Thu, 19 Nov 2020 17:35:21 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Saeed Mahameed <saeed@...nel.org>
Cc:     Jason Gunthorpe <jgg@...dia.com>, Parav Pandit <parav@...dia.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Jiri Pirko <jiri@...dia.com>,
        "dledford@...hat.com" <dledford@...hat.com>,
        Leon Romanovsky <leonro@...dia.com>,
        "davem@...emloft.net" <davem@...emloft.net>
Subject: Re: [PATCH net-next 00/13] Add mlx5 subfunction support

On Wed, 18 Nov 2020 22:12:22 -0800 Saeed Mahameed wrote:
> > Right, devices of other subsystems are fine, I don't care.
> 
> But a netdev will be loaded on SF automatically just through the
> current driver design and modularity, since SF == VF and our netdev is
> abstract and doesn't know if it runs on a PF/VF/SF .. we literally have
> to add code to not load a netdev on a SF. why ? :/

A netdev is fine, but the examples so far don't make it clear (to me) 
if it's expected/supported to spawn _multiple_ netdevs from a single
"vdpa parentdev".