netdev - Re: netdevice.7 SIOCGIFFLAGS/SIOCSIFFLAGS

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Message-ID: <CAAMKmoe8rUuoxFK2gKZL4um79gmtn-__-1ZDWuBgGTqfqPjZdw@mail.gmail.com>
Date:   Thu, 29 Apr 2021 21:45:56 +0200
From:   Erik Flodin <erik@...din.me>
To:     "Alejandro Colomar (man-pages)" <alx.manpages@...il.com>
Cc:     mtk.manpages@...il.com, linux-man@...r.kernel.org,
        Stefan Rompf <stefan@...lof.de>,
        "David S. Miller" <davem@...emloft.net>,
        John Dykstra <john.dykstra1@...il.com>, netdev@...r.kernel.org
Subject: Re: netdevice.7 SIOCGIFFLAGS/SIOCSIFFLAGS

Hi again,

Have there been any updates on this one?

// Erik

On Wed, 14 Apr 2021 at 21:56, Alejandro Colomar (man-pages)
<alx.manpages@...il.com> wrote:
>
> [CC += netdev]
>
> Hi Erik,
>
> On 4/14/21 8:52 PM, Erik Flodin wrote:
> > Hi,
> >
> > On Fri, 19 Mar 2021 at 20:53, Alejandro Colomar (man-pages)
> > <alx.manpages@...il.com> wrote:
> >> On 3/17/21 3:12 PM, Erik Flodin wrote:
> >>> The documentation for SIOCGIFFLAGS/SIOCSIFFLAGS in netdevice.7 lists
> >>> IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO, but those can't be set in
> >>> ifr_flags as it is only a short and the flags start at 1<<16.
> >>>
> >>> See also https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=746e6ad23cd6fec2edce056e014a0eabeffa838c
> >>>
> >>
> >> I don't know what's the history of that.
> >
> > Judging from commit message in the commit linked above it was added by
> > mistake. As noted the flags are accessible via netlink, just not via
> > SIOCGIFFLAGS.
> >
> > // Erik
> >
>
> I should have CCd netdev@ before.  Thanks for the update.  Let's see if
> anyone there can comment.
>
> Thanks,
>
> Alex
>
>
> --
> Alejandro Colomar
> Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
> http://www.alejandro-colomar.es/