Subject: Re: displayed name changed in ip link show for bridge- and other interfaces

From: Nicolas Dichtel <[email-masked]>
Date: Wed, 17 Jun 2015 09:26:05 +0200

Le 16/06/2015 19:35, Oliver Hartkopp a écrit :
> On 15.06.2015 17:54, Stephen Hemminger wrote:
>> On Mon, 15 Jun 2015 11:13:12 +0200
>> Nicolas Dichtel <[email-masked]> wrote:
>>
>>> Theoretically, virtual interfaces should advertise an IFLA_LINK to 0.
>>> I don't know what is the best fix:
>>>    - patching iproute2 to avoid this '@NONE'
>>>    - patching the kernel (see below).
>>
>>
>> Sorry this is an ABI change. The kernel has to go back
>> to doing the same thing as before.
>>
>
> Isn't this too late right now at 4.1-rc8 stage???
>
> At least the patch suggested for br_device.c at
>
> http://marc.info/?l=linux-netdev&m=143435960111768&w=2
>
> would been necessary in all networking drivers, right?
>
> I currently see this @NONE stuff with virtual CAN devices too.
Another solution is to revert e1622baf54df ("dev: set iflink to 0 for virtual
interfaces") and add a ndo_get_iflink handler which returns 0 for all virtual
interfaces that had this IFLA_LINK set to 0 before the series.
But it's not consistent between virtual interfaces.