Re: [PATCH net-next v3 2/6] selftests: ncdevmem: Implement devmem TCP TX
From: Stanislav Fomichev
Date: Tue Feb 04 2025 - 13:08:01 EST
On 02/04, Mina Almasry wrote:
> On Tue, Feb 4, 2025 at 9:56 AM Paolo Abeni <pabeni@xxxxxxxxxx> wrote:
> >
> > On 2/4/25 6:35 PM, Mina Almasry wrote:
> > > On Tue, Feb 4, 2025 at 4:29 AM Paolo Abeni <pabeni@xxxxxxxxxx> 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.
This is what I've been using to test tx-only and tx-rx modes (shared
previously on the list as well):
https://github.com/fomichev/linux/commit/df5ef094db57f6c49603e6be5730782e379dd237
Feel free to include in the v4.