Subject: Re: [PATCH net-next v2 6/6] selftests: drv-net: gro: break out all individual test cases

From: Jakub Kicinski <[email-masked]>
Date: Mon, 12 Jan 2026 16:16:38 -0800

On Sun, 11 Jan 2026 12:12:09 -0500 Willem de Bruijn wrote:
> Interesting that many devices do seem to fail some tests.

The case that convinced me to do this was TCP option handling.
Older Broadcom NICs appear to coalesce mismatched timestamps.
I suppose it may be related to the Microsoft sec which seems
to recommend coalescing incrementing timestamps like seq no :|