From: Stephen Hemminger <shemminger@linux-foundation.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: link up and down
Date: Wed, 12 Aug 2009 18:20:09 +0000 [thread overview]
Message-ID: <20090812112009.0d33e8bd@nehalam> (raw)
In-Reply-To: <cfeab66d0908110935v38566a5awc48edbffd62053f@mail.gmail.com>
On Tue, 11 Aug 2009 15:17:47 -0700
Marcel Holtmann <marcel@holtmann.org> wrote:
> Hi Greg,
>
> > > the linux kernel is running on an embedded box ... so if i can achieve
> > > this using hotplug2 , i can save a lot of flash by not intstalling
> > > ethtool ..
> > > is there any way
> >
> > You are really using hotplug2 for a device? Are you insane? That's
> > very old, unsupported, and buggy code that was a totally bad idea when I
> > wrote it.
> >
> > Please do not use it, it will break and cause bad things to happen.
> >
> > And no, there are no hotplug events for link up/down, use ethtool like
> > it is designed for.
>
> actually there was a patch for KOBJ_CHANGE events when network interface
> flags change, but it never got merged upstream.
>
> Also just using RTNL and listening for IFF_LOWER_UP is way simpler than
> going through uevents.
Have you looked at netplugd?
next prev parent reply other threads:[~2009-08-12 18:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-11 16:47 link up and down ratheesh k
2009-08-11 16:52 ` Greg KH
2009-08-11 17:27 ` Marco d'Itri
2009-08-11 17:33 ` ratheesh k
2009-08-11 17:45 ` Greg KH
2009-08-11 22:17 ` Marcel Holtmann
2009-08-12 18:20 ` Stephen Hemminger [this message]
2009-08-14 5:39 ` ratheesh k
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