[lkml]   [2019]   [Jul]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
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 <> 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 <>

Do you want to make an iproute patch to display this?

Acked-by: Stephen Hemminger <>

 \ /
  Last update: 2019-07-02 16:55    [W:0.265 / U:4.868 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site