Re: 2.6.7-rc3: unregister_netdevice: waiting for tun0 to become free. Usage count = 1

["David S. Miller" <davem@xxxxxxxxxx>]

On Mon, 14 Jun 2004 11:50:13 +1000
Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:

> On Sun, Jun 13, 2004 at 06:36:22PM -0700, David S. Miller wrote:
> > On Mon, 14 Jun 2004 09:41:42 +1000
> > Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
> > 
> > > BTW, it looks like I missed the original IPv4 idev patch to route.c
> > > as well.  So could someone please tell me why it was needed in the
> > > first place?
> > 
> > Because per-device ipv4/ipv6 statistics support is coming.
> > It's necessary infrastructure.
> 
> Thanks.  Is there somewhere where I can look at the code that's
> going to use this infrastructure?

Not written yet, but it will be of the form:

        idev = rt->idev;
        SNMP_BUMP_BLAH_BLAH_STAT(idev);