netdev - Re: [PATCH v1 0/2] vduse: add support for networking devices

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Message-ID: <CACGkMEtoW0nW8w6_Ew8qckjvpNGN_idwpU3jwsmX6JzbDknmQQ@mail.gmail.com>
Date: Mon, 3 Jul 2023 14:44:45 +0800
From: Jason Wang <jasowang@...hat.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: Maxime Coquelin <maxime.coquelin@...hat.com>, xieyongji@...edance.com, 
	david.marchand@...hat.com, lulu@...hat.com, linux-kernel@...r.kernel.org, 
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, 
	xuanzhuo@...ux.alibaba.com, eperezma@...hat.com
Subject: Re: [PATCH v1 0/2] vduse: add support for networking devices

On Sun, Jul 2, 2023 at 9:37 PM Michael S. Tsirkin <mst@...hat.com> wrote:
>
> On Tue, Jun 27, 2023 at 01:36:50PM +0200, Maxime Coquelin wrote:
> > This small series enables virtio-net device type in VDUSE.
> > With it, basic operation have been tested, both with
> > virtio-vdpa and vhost-vdpa using DPDK Vhost library series
> > adding VDUSE support using split rings layout (merged in
> > DPDK v23.07-rc1).
> >
> > Control queue support (and so multiqueue) has also been
> > tested, but requires a Kernel series from Jason Wang
> > relaxing control queue polling [1] to function reliably.
> >
> > [1]: https://lore.kernel.org/lkml/CACGkMEtgrxN3PPwsDo4oOsnsSLJfEmBEZ0WvjGRr3whU+QasUg@mail.gmail.com/T/
>
> Jason promised to post a new version of that patch.
> Right Jason?

Yes.

> For now let's make sure CVQ feature flag is off?

We can do that and relax on top of my patch.

Thanks

>
> > RFC -> v1 changes:
> > ==================
> > - Fail device init if it does not support VERSION_1 (Jason)
> >
> > Maxime Coquelin (2):
> >   vduse: validate block features only with block devices
> >   vduse: enable Virtio-net device type
> >
> >  drivers/vdpa/vdpa_user/vduse_dev.c | 15 +++++++++++----
> >  1 file changed, 11 insertions(+), 4 deletions(-)
> >
> > --
> > 2.41.0
>