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SubjectRe: [PATCH net-next v6 01/15] rtnetlink: provide permanent hardware address in RTM_NEWLINK
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?

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

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