On Thu, Jul 3, 2025 at 12:37 AM Stanislav Fomichev <[email protected]> wrote:
>

Hi Stanislav,
Thanks a lot for your review!

> On 07/02, Taehee Yoo wrote:
> > The devmem TCP requires the hds-thresh value to be 0, but it doesn't
> > change it automatically.
> > Therefore, make configure_headersplit() sets hds-thresh value to 0.
> >
> > Signed-off-by: Taehee Yoo <[email protected]>
> > ---
> >
> > v2:
> >  - Do not implement configure_hds_thresh().
> >  - Make configure_headersplit() sets hds-thresh to 0.
> >
> >  tools/testing/selftests/drivers/net/hw/ncdevmem.c | 11 ++++++++++-
> >  1 file changed, 10 insertions(+), 1 deletion(-)
> >
> > diff --git a/tools/testing/selftests/drivers/net/hw/ncdevmem.c 
> > b/tools/testing/selftests/drivers/net/hw/ncdevmem.c
> > index cc9b40d9c5d5..52b72de11e3b 100644
> > --- a/tools/testing/selftests/drivers/net/hw/ncdevmem.c
> > +++ b/tools/testing/selftests/drivers/net/hw/ncdevmem.c
> > @@ -331,6 +331,12 @@ static int configure_headersplit(bool on)
> >       ret = ethtool_rings_set(ys, req);
> >       if (ret < 0)
> >               fprintf(stderr, "YNL failed: %s\n", ys->err.msg);
> > +     if (on) {
> > +             ethtool_rings_set_req_set_hds_thresh(req, 0);
> > +             ret = ethtool_rings_set(ys, req);
>
> Why call ethtool_rings_set again here? Can we move 
> ethtool_rings_set_req_set_hds_thresh
> to be after ethtool_rings_set_req_set_tcp_data_split ?

I think tcp-data-split will fail if a driver doesn't support
hds-thresh, even if it supports tcp-data-split.
So, I separated them.

Reply via email to