Re: [PATCH net v3 3/3] net: stmmac: document oversized AF_XDP frame handling

From: Jakub Kicinski

Date: Wed Aug 26 2026 - 16:22:40 EST


On Wed, 26 Aug 2026 14:42:25 +0200 Maxime Chevallier wrote:
> >> Let's definitely fix it properly if you have better ideas. But since we
> >> don't have HW, I'm not super confident doing anything sophisticated
> >> myself :-D
> >
> > Let me take the first 2 patches and leave the stmmac for later.
> > I don't think anyone involved care particularly deeply here.
> >
> > Maxime said he bought a bunch of relevant HW. If we finally wrap
> > the AF_XDP tests into driver runtime he should be able to help us...
>
> Indeed, I haven't started looking into the AF_XDP (and XDP in general) on
> stmmac, lots of fixes lately on the subject so I'll get there eventually :)
>
> I'm currently plumbing the driver selftest on my setup (ethtool -t) and just
> runnign this uncovers lots of issues al lover the place, once this
> passes I'll get on the kselftests and see what we can do on this.

Also if you try running driver ksfts - please keep us posted on what
the blockers are. I _think_ we just need to teach ksft to cross compile
C binaries?