netdev - Re: [net-next v4 00/15] Add mlx5 subfunction support

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Date:   Wed, 16 Dec 2020 08:50:50 +0200
From:   Leon Romanovsky <leonro@...dia.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Saeed Mahameed <saeed@...nel.org>,
        Alexander Duyck <alexander.duyck@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jason Gunthorpe <jgg@...dia.com>,
        Netdev <netdev@...r.kernel.org>, linux-rdma@...r.kernel.org,
        David Ahern <dsahern@...nel.org>,
        Jacob Keller <jacob.e.keller@...el.com>,
        Sridhar Samudrala <sridhar.samudrala@...el.com>,
        "Ertman, David M" <david.m.ertman@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Kiran Patil <kiran.patil@...el.com>,
        Greg KH <gregkh@...uxfoundation.org>
Subject: Re: [net-next v4 00/15] Add mlx5 subfunction support

On Tue, Dec 15, 2020 at 01:28:05PM -0800, Jakub Kicinski wrote:
> On Tue, 15 Dec 2020 12:35:20 -0800 Saeed Mahameed wrote:
> > > I think the big thing we really should do if we are going to go this
> > > route is to look at standardizing what the flavours are that get
> > > created by the parent netdevice. Otherwise we are just creating the
> > > same mess we had with SRIOV all over again and muddying the waters of
> > > mediated devices.
> >
> > yes in the near future we will be working on auxbus interfaces for
> > auto-probing and user flavor selection, this is a must have feature for
> > us.
>
> Can you elaborate? I thought config would be via devlink.

Yes, everything continues to be done through devlink.

One of the immediate features is an ability to disable/enable creation
of specific SF types.

For example, if user doesn't want RDMA, the SF RDMA won't be created.

Thanks