Re: [PATCH net-next] selftests/net: ensure mptcp is enabled in netns

Hangbin Liu
2025-02-25T12:37:07Z

On Mon, Feb 24, 2025 at 02:53:13PM +0100, Matthieu Baerts wrote:
> Hi Hangbin, Davide,
>
> On 24/02/2025 10:40, Hangbin Liu wrote:
> > Some distributions may not enable MPTCP by default. All other MPTCP tests
> > source mptcp_lib.sh to ensure MPTCP is enabled before testing. However,
> > the ip_local_port_range test is the only one that does not include this
> > step.
>
> This modification is OK for me, but would it not be time to stop
> patching the kernel of these distributions to disable MPTCP by default?
>
> As far as I know, only one Linux distribution is doing that, and that's
> the one supporting MPTCP the best :)

> It was making sense when MPTCP was backported to older kernels, but now
> that v6.12 is used as a new base, it probably no longer makes sense, no?

Hi Matthieu,

Thanks for your review. I can't control the decisions. I also hope
we don't need to do this in future :)

Regards
Hangbin
>
> > Let's also ensure MPTCP is enabled in netns for ip_local_port_range so
> > that it passes on all distributions.
>
> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>

>
> Cheers,
> Matt
> --
> Sponsored by the NGI0 Core fund.
>