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

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Message-ID: <20230702093530-mutt-send-email-mst@kernel.org>
Date: Sun, 2 Jul 2023 09:37:06 -0400
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Maxime Coquelin <maxime.coquelin@...hat.com>
Cc: xieyongji@...edance.com, jasowang@...hat.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 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?
For now let's make sure CVQ feature flag is off?

> 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