netdev - Re: [PATCH net-next v11 0/3] netdevsim: link and forward skbs between ports

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Message-ID: <ea379c684c8dbab360dce3e9add3b3a33a00143f.camel@redhat.com>
Date: Fri, 16 Feb 2024 11:38:17 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: David Wei <dw@...idwei.uk>, Jakub Kicinski <kuba@...nel.org>, Jiri Pirko
	 <jiri@...nulli.us>, Sabrina Dubroca <sd@...asysnail.net>, 
	netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>
Subject: Re: [PATCH net-next v11 0/3] netdevsim: link and forward skbs
 between ports

Hi,

On Thu, 2024-02-15 at 11:43 -0800, David Wei wrote:
> This patchset adds the ability to link two netdevsim ports together and
> forward skbs between them, similar to veth. The goal is to use netdevsim
> for testing features e.g. zero copy Rx using io_uring.
> 
> This feature was tested locally on QEMU, and a selftest is included.

this apparently causes rtnetlink.sh self-tests failures:

https://netdev.bots.linux.dev/flakes.html?tn-needle=rtnetlink-sh

example failure:

https://netdev-3.bots.linux.dev/vmksft-net/results/467721/18-rtnetlink-sh/stdout

the ipsec_offload test (using netdevsim) fails.

@Jakub: it looks like the rtnetlink.sh test is currently ignored by
patchwork, skimming over the recent failures they are roughly
correlated to this series submission: the test looks otherwise
reasonably stable to me.

Cheers,

Paolo