linux-kernel - Re: [PATCH net-next v3 2/6] selftests: ncdevmem: Implement devmem TCP TX

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Message-ID: <CAHS8izPFe-1tf9Xetc8Znj04x9rKXVchR3DaspRGPDRbSFQFgw@mail.gmail.com>
Date: Tue, 4 Feb 2025 10:03:33 -0800
From: Mina Almasry <almasrymina@...gle.com>
To: Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-doc@...r.kernel.org, kvm@...r.kernel.org, 
	virtualization@...ts.linux.dev, linux-kselftest@...r.kernel.org, 
	Donald Hunter <donald.hunter@...il.com>, Jakub Kicinski <kuba@...nel.org>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Simon Horman <horms@...nel.org>, Jonathan Corbet <corbet@....net>, Andrew Lunn <andrew+netdev@...n.ch>, 
	Neal Cardwell <ncardwell@...gle.com>, David Ahern <dsahern@...nel.org>, 
	"Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, 
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, Eugenio Pérez <eperezma@...hat.com>, 
	Stefan Hajnoczi <stefanha@...hat.com>, Stefano Garzarella <sgarzare@...hat.com>, Shuah Khan <shuah@...nel.org>, 
	sdf@...ichev.me, asml.silence@...il.com, dw@...idwei.uk, 
	Jamal Hadi Salim <jhs@...atatu.com>, Victor Nogueira <victor@...atatu.com>, 
	Pedro Tammela <pctammela@...atatu.com>, Samiullah Khawaja <skhawaja@...gle.com>
Subject: Re: [PATCH net-next v3 2/6] selftests: ncdevmem: Implement devmem TCP TX

On Tue, Feb 4, 2025 at 9:56 AM Paolo Abeni <pabeni@...hat.com> wrote:
>
> On 2/4/25 6:35 PM, Mina Almasry wrote:
> > On Tue, Feb 4, 2025 at 4:29 AM Paolo Abeni <pabeni@...hat.com> wrote:
> >>>  .../selftests/drivers/net/hw/ncdevmem.c       | 300 +++++++++++++++++-
> >>>  1 file changed, 289 insertions(+), 11 deletions(-)
> >>
> >> Why devmem.py is not touched? AFAICS the test currently run ncdevmem
> >> only in server (rx) mode, so the tx path is not actually exercised ?!?
> >>
> >
> > Yeah, to be honest I have a collection of local bash scripts that
> > invoke ncdevmem in different ways for my testing, and I have docs on
> > top of ncdevmem.c of how to test; I don't use devmem.py. I was going
> > to look at adding test cases to devmem.py as a follow up, if it's OK
> > with you, and Stan offered as well on an earlier revision. If not no
> > problem, I can address in this series. The only issue is that I have
> > some legwork to enable devmem.py on my test setup/distro, but the meat
> > of the tests is already included and passing in this series (when
> > invoked manually).
>
> I think it would be better if you could include at least a very basic
> test-case for the TX path. More accurate coverage could be a follow-up.
>

Thanks; will do.

-- 
Thanks,
Mina