netdev - Re: [PATCH iproute2] ip link: Add support for kernel side filtering

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Date:	Mon, 16 May 2016 11:19:31 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	David Ahern <dsa@...ulusnetworks.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH iproute2] ip link: Add support for kernel side filtering

On Wed, 11 May 2016 06:51:58 -0700
David Ahern <dsa@...ulusnetworks.com> wrote:

> Kernel gained support for filtering link dumps with commit dc599f76c22b
> ("net: Add support for filtering link dump by master device and kind").
> Add support to ip link command. If a user passes master device or
> kind to ip link command they are added to the link dump request message.
> 
> Signed-off-by: David Ahern <dsa@...ulusnetworks.com>
> ---
>  include/libnetlink.h |  6 ++++++
>  ip/ipaddress.c       | 33 ++++++++++++++++++++++++++++++++-
>  lib/libnetlink.c     | 28 ++++++++++++++++++++++++++++
>  3 files changed, 66 insertions(+), 1 deletion(-)
> 

Was this tested on older kernels?  Don't want to add something that breaks
when run on old kernels that are in stable distros.