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SubjectRe: [PATCH net-next v6 01/15] rtnetlink: provide permanent hardware address in RTM_NEWLINK
On Tue, Jul 02, 2019 at 07:55:00AM -0700, Stephen Hemminger wrote:
> On Tue, 2 Jul 2019 13:49:44 +0200 (CEST)
> Michal Kubecek <mkubecek@suse.cz> wrote:
>
> > Permanent hardware address of a network device was traditionally provided
> > via ethtool ioctl interface but as Jiri Pirko pointed out in a review of
> > ethtool netlink interface, rtnetlink is much more suitable for it so let's
> > add it to the RTM_NEWLINK message.
> >
> > Add IFLA_PERM_ADDRESS attribute to RTM_NEWLINK messages unless the
> > permanent address is all zeros (i.e. device driver did not fill it). As
> > permanent address is not modifiable, reject userspace requests containing
> > IFLA_PERM_ADDRESS attribute.
> >
> > Note: we already provide permanent hardware address for bond slaves;
> > unfortunately we cannot drop that attribute for backward compatibility
> > reasons.
> >
> > v5 -> v6: only add the attribute if permanent address is not zero
> >
> > Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
>
> Do you want to make an iproute patch to display this?

Yes, I'm going to submit it once this patch gets into net-next.

Michal

> Acked-by: Stephen Hemminger <stephen@networkplumber.org>

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