From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ido Schimmel Subject: Re: [patch net-next 04/10] net: Add netif_is_vrf_master helper Date: Mon, 13 Mar 2017 17:01:03 +0200 Message-ID: <20170313150103.GA32446@splinter.mtl.com> References: <1489390535-2566-1-git-send-email-jiri@resnulli.us> <1489390713-2634-1-git-send-email-jiri@resnulli.us> <1489390713-2634-4-git-send-email-jiri@resnulli.us> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jiri Pirko , netdev@vger.kernel.org, davem@davemloft.net, idosch@mellanox.com, mlxsw@mellanox.com, shm@cumulusnetworks.com, kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net, lorenzo@google.com, mateusz.bajorski@nokia.com To: David Ahern Return-path: Received: from out1-smtp.messagingengine.com ([66.111.4.25]:47542 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753359AbdCMPBV (ORCPT ); Mon, 13 Mar 2017 11:01:21 -0400 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Mon, Mar 13, 2017 at 08:39:19AM -0600, David Ahern wrote: > On 3/13/17 1:38 AM, Jiri Pirko wrote: > > From: Ido Schimmel > > > > Drivers capable of offloading VRF configurations need to know the ports > > are enslaved to an actual VRF device and not some other L3 master. > > > > Add a flag to indicate netdev is a VRF master and a corresponding > > helper. > > > > Signed-off-by: Ido Schimmel > > Signed-off-by: Jiri Pirko > > --- > > drivers/net/vrf.c | 2 +- > > include/linux/netdevice.h | 8 ++++++++ > > 2 files changed, 9 insertions(+), 1 deletion(-) > > > > IFF_VRF_MASTER was renamed IFF_L3MDEV_MASTER 18 months ago. But IFF_L3MDEV_MASTER isn't specific to the VRF driver. It can be set by other drivers including future ones that might be introduced. I need to allow enslavement to a VRF master, but reject others.