netdev - Re: [PATCH v9 net-next 4/7] openvswitch: add layer 3 flow/port support

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Date:	Wed, 11 May 2016 15:57:26 +0200
From:	Jiri Benc <jbenc@...hat.com>
To:	Simon Horman <simon.horman@...ronome.com>
Cc:	pravin shelar <pshelar@....org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	ovs dev <dev@...nvswitch.org>,
	Lorand Jakab <lojakab@...co.com>,
	Thomas Morin <thomas.morin@...nge.com>
Subject: Re: [PATCH v9 net-next 4/7] openvswitch: add layer 3 flow/port
 support

On Wed, 11 May 2016 10:50:12 +0900, Simon Horman wrote:
> On Tue, May 10, 2016 at 02:01:06PM +0200, Jiri Benc wrote:
> > We have two options here:
> > 
> > 1. As for metadata tunnels all the info is in metadata_dst and we
> >    don't need the IP/GRE header for anything, we can make the ipgre
> >    interface ARPHRD_NONE in metadata based mode.
> > 
> > 2. We can fix this up in ovs after receiving the packet from
> >    ARPHRD_IPGRE interface.
> > 
> > I think the first option is the correct one. We already don't assign
> > dev->header_ops in metadata mode. I'll prepare a patch.
> 
> I agree that 1. seems to be the better approach.

I just sent a patch that fixes this. And we have the same bug in
VXLAN-GPE, I sent a patch, too.

> Sure, if that is your preference I think it should be simple enough to
> implement. I agree that netdev_port_receive() looks like a good place for
> this.

Great, thanks!

 Jiri