On Fri, Oct 09, 2009 at 09:00:01AM -0500, Narendra K wrote:
> On Fri, Oct 09, 2009 at 07:12:07PM +0530, K, Narendra wrote:
> > > example udev config:
> > > SUBSYSTEM=="net",
> > SYMLINK+="net/by-mac/$sysfs{ifindex}.$sysfs{address}"
> >
> > work as well. But coupling the ifindex to the MAC address like this
> > doesn't work. (In general, coupling any two unrelated attributes when
> > trying to do persistent names doesn't work.)
> >
> Attaching the latest patch incorporating review comments.
Thank you Narendra.
Let me also note that we are prepared to have userspace consumers of
this new character device node.
http://linux.dell.com/wiki/index.php/Oss/libnetdevname
notes how the kernel patch will interact with udev, describes the new
library helper function in libnetdevname, and has patches for
net-tools, iproute2, and ethtool to make use of the helper function.
As has been noted here, MAC addresses are not necessarily unique to an
interface. As such, we are not proposing a net/by-mac/* symlink to
/dev/netdev/*.
Thanks,
Matt
--
Matt Domsch
Technology Strategist, Dell Office of the CTO
linux.dell.com & www.dell.com/linux
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