linux-kernel - Re: [PATCH net-next 1/2] ethtool: update UAPI files

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Message-ID: <20221204212521.rjo5hgkmsq3spxzv@lion.mk-sys.cz>
Date:   Sun, 4 Dec 2022 22:25:21 +0100
From:   Michal Kubecek <mkubecek@...e.cz>
To:     Piergiorgio Beruto <piergiorgio.beruto@...il.com>
Cc:     "Russell King (Oracle)" <linux@...linux.org.uk>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Oleksij Rempel <o.rempel@...gutronix.de>,
        andrew@...n.ch
Subject: Re: [PATCH net-next 1/2] ethtool: update UAPI files

On Sun, Dec 04, 2022 at 10:16:01PM +0100, Piergiorgio Beruto wrote:
> Hello Michal,
> I was wondering if you could help me with the issue below.
> 
> In short, I'm trying to add a new feature to netlink / ethtool that
> requires changes to the UAPI headers. I therefore need to update these
> headers in the ethtool userland program as well.
> 
> The problem I'm having is that I don't know the procedure for updating
> the headers, which is something I need to build my patch to ethtool on.
> 
> I understand now this is not a straight copy of the kernel headers to
> the ethtool repository.
> 
> Should I use some script / procedure / else?
> Or should I just post my patch without the headers? (I wonder how we can
> verify it though?)
> 
> Any help on the matter would be very appreciated.

See https://www.kernel.org/pub/software/network/ethtool/devel.html for
guidelines (section "Submitting patches"). What we need are so-called
sanitized kernel headers, created by "make headers_install". The easiest
way to update them is using the ethtool-import-uapi script linked from
that page, usually "master" or "net-next" is the most appropriate
argument, depending on your target branch.

Michal

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