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

[Jakub Kicinski]

On Fri, 21 Aug 2026 10:28:47 -0700 Stanislav Fomichev wrote:
> > > I do agree that a better idea is to probably do these checks during control
> > > paths, but it's a bit more involved (and not sure if it's possible? if we
> > > have a bunch of xsk sockets and we change that max_sdu, do we go over all
> > > sockets on the system somehow?). My main motivation with this patch was
> > > to make our LLM reviewers less chatty about preexisting issues.  
> > 
> > I hear you, however I feel like we do not know this driver too much and
> > probably we don't have a HW to test out such changes, so maybe let us try
> > to fix existing behavior?  
> 
> 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...