Re: [PATCH net-next 08/14] net: pse-pd: Split ethtool_get_status into multiple callbacks

From: Kory Maincent
Date: Thu Jan 09 2025 - 04:02:55 EST


On Wed, 8 Jan 2025 09:36:45 -0800
Jakub Kicinski <kuba@xxxxxxxxxx> wrote:

> On Wed, 8 Jan 2025 10:27:36 +0100 Kory Maincent wrote:
> > > Is there a reason this is defined in ethtool.h?
> >
> > I moved in to ethtool because the PSE drivers does not need it anymore.
> > I can keep it in pse.h.
> >
> > > I have a weak preference towards keeping it in pse-pd/pse.h
> > > since touching ethtool.h rebuilds bulk of networking code.
> > > From that perspective it's also suboptimal that pse-pd/pse.h
> > > pulls in ethtool.h.
> >
> > Do you prefer the other way around, ethtool.h pulls in pse.h?
>
> No, no, I'd say the order of deceasing preference is:
> - headers are independent
> - smaller header includes bigger one
> - bigger one includes smaller one

Ok good to know.

> > Several structure are used in ethtool, PSE core and even drivers at the same
> > time so I don't have much choice. Or, is it preferable to add a new header?
> >
>
> From a quick look it seemed like pse.h definitely needs the enums from
> the uAPI. But I couldn't find anything from the kernel side ethtool.h
> header it'd actually require (struct ethtool_c33_pse_ext_state_info
> can be moved to pse.h as well?).
>
> Anyways, it's not a major issue for existing code, more of forward guidance.

I am fully open to guidance to have proper code.

Regards,
--
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com