On Tue, 2 Jul 2019 13:49:44 +0200 (CEST) Michal Kubecek <mkube...@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 <mkube...@suse.cz> Do you want to make an iproute patch to display this? Acked-by: Stephen Hemminger <step...@networkplumber.org>
