Re: [RFC PATCH net-next v2 2/2] selftests: net: add XDP socket tests for virtio-net

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On Thu, May 29, 2025 at 09:29:14PM +0700, Bui Quang Minh wrote:
> On 5/29/25 18:18, Maciej Fijalkowski wrote:
> > On Tue, May 27, 2025 at 11:19:04PM +0700, Bui Quang Minh wrote:
> > > This adds a test to test the virtio-net rx when there is a XDP socket
> > > bound to it. There are tests for both copy mode and zerocopy mode, both
> > > cases when XDP program returns XDP_PASS and XDP_REDIRECT to a XDP socket.
> > > 
> > > Signed-off-by: Bui Quang Minh <minhquangbui99@xxxxxxxxx>
> > Hi Bui,
> > 
> > have you considered adjusting xskxceiver for your needs? If yes and you
> > decided to go with another test app then what were the issues around it?
> > 
> > This is yet another approach for xsk testing where we already have a
> > test framework.
> 
> Hi,
> 
> I haven't tried much hard to adapt xskxceiver. I did have a look at
> xskxceiver but I felt the supported topology is not suitable for my need. To
> test the receiving side in virtio-net, I use Qemu to set up virtio-net in
> the guest and vhost-net in the host side. The sending side is in the host
> and the receiving is in the guest so I can't figure out how to do that with
> xskxceiver.

I see - couldn't the python side be executing xdpsock then instead of your
own app?

I wouldn't like to end up with several xsk tools for testing data path on
different environments.

> 
> Thanks,
> Quang Minh.
> 
> > 




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