[openib-general] Re: ip_dev_find resolution?

[Michael S. Tsirkin]

Quoting r. Grant Grundler <iod00d at hp.com>:
> Subject: Re: ip_dev_find resolution?
> 
> On Tue, Dec 06, 2005 at 06:27:49AM -0500, Hal Rosenstock wrote:
> > Hi Robert,
> > 
> > On Tue, 2005-12-06 at 00:59, Robert Walsh wrote:
> > > Hi all,
> > > 
> > > There was some discussion back in Sep/Oct about ip_dev_find.  Was
> there
> > > ever a resolution to this?
> 
> Not that I'm aware of.
> 
> > > Are we just waiting to get the modules that
> > > use it put into the kernel so we can justify getting it re-exported
> once
> > > again?
> 
> That would be a good approach.
> 
> > Yes. At one point, Grant had indicated that IPmc might need that but
> I'm
> > not sure how that was resolved.
> 
> IPmc? Oh! IP_MROUTE. But IP_MROUTE doesn't need ip_dev_find exported
> since IP_MROUTE code can't be built as a module.
> 
> My original email is here:
> http://openib.org/pipermail/openib-general/2005-November/013563.html
> 
> Original email thread starts here:
> http://openib.org/pipermail/openib-general/2005-November/013471.html

Actually, I wander whether instead of ip_dev_find we can just

                read_lock(&dev_base_lock);
                for (dev = dev_base; dev; dev = dev->next) {

and check the ip address?

If this works, this has the advantage of supporting IPv6 as well.

MST

-- 
MST