Re: [PATCH v2 mptcp-net 0/2] mptcp: restore zero window probe

[Matthieu Baerts <matttbe@kernel.org>]

Hi Paolo, Geliang, Mat,

On 22/10/2025 09:39, Paolo Abeni wrote:
> It turns out that the issue reported by Geliang on the pending backlog
> patches is actually on older one that the new code made more easy
> reproducible.
> 
> The first patch in the series addresses it[1], the 2nd one introduce new
> mibs to hopefully catch this problem sooned.
> 
> I have a pktdrill to validate this scenario. I'll share that soon.

Thank you for the new pktdrill. I don't know if you saw my question:

  https://github.com/multipath-tcp/packetdrill/pull/179

I also just did a quick review and test while at it


> @Geliang could you please validate the above in your testbed, on top of
> the backlog and splice patches?

Thank you for the patches and the reviews! I already applied the
patches, I guess the issues with Packetdrill are in the test, not the
kernel modifications.


New patches for t/upstream-net and t/upstream:
- b7749bb6ab95: mptcp: restore window probe
- 5d8d442266f9: mptcp: zero window probe mib
- Results: 94b2567634ae..affaafb5552e (export-net)
- Results: 5d6d50a980ff..ed6f82a81575 (export)

Tests are now in progress:

- export-net:
https://github.com/multipath-tcp/mptcp_net-next/commit/5db161c8d173fc05a4d26fd5df5e8c6e90ac8c19/checks
- export:
https://github.com/multipath-tcp/mptcp_net-next/commit/785e3842513ff5993f32c918f90dbee62244ed63/checks

Cheers,
Matt
-- 
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