netdev - Re: [PATCH v2 iproute2] libnetlink.h: Include <endian.h> explicitly for musl

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Message-ID: <CAJ0EP40OAwcYMZRtiuERzOG2dm5aRoOtLZntwq8D4hgyHJAJUA@mail.gmail.com>
Date: Sun, 4 Aug 2024 13:09:29 -0400
From: Mike Gilbert <floppym@...too.org>
To: Mike Gilbert <floppym@...too.org>
Cc: Stephen Hemminger <stephen@...workplumber.org>, Andreas K. Hüttel <dilfridge@...too.org>, 
	netdev@...r.kernel.org, base-system@...too.org
Subject: Re: [PATCH v2 iproute2] libnetlink.h: Include <endian.h> explicitly
 for musl

On Sun, Aug 4, 2024 at 1:07 PM Mike Gilbert <floppym@...too.org> wrote:
>
> On Sun, Aug 4, 2024 at 12:58 PM Stephen Hemminger
> <stephen@...workplumber.org> wrote:
> >
> > On Sun,  4 Aug 2024 18:03:23 +0200
> > Andreas K. Hüttel <dilfridge@...too.org> wrote:
> >
> > > The code added in "f_flower: implement pfcp opts" uses h2be64,
> > > defined in endian.h. While this is pulled in around some corners
> > > for glibc (see below), that's not the case for musl and an
> > > explicit include is required there.
> > >
> > > . /usr/include/libmnl/libmnl.h
> > > .. /usr/include/sys/socket.h
> > > ... /usr/include/bits/socket.h
> > > .... /usr/include/sys/types.h
> > > ..... /usr/include/endian.h
> > >
> > > Fixes: 976dca372 ("f_flower: implement pfcp opts")
> > > Bug: https://bugs.gentoo.org/936234
> > > Signed-off-by: Andreas K. Hüttel <dilfridge@...too.org>
> >
> > Other parts of flower code use htonll().
> > It would have been better to be consistent and not use h2be64() at all.
>
> htonl is used for 32-bit numbers. It won't work properly with 64-bit numbers.

Sorry, I missed the second "l".