netdev - Re: non-OVS based vxlan config broken on 3.19-rc ?!

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Message-ID: <20150114155208.GA24550@casper.infradead.org>
Date:	Wed, 14 Jan 2015 15:52:08 +0000
From:	thomas Graf <tgraf@...g.ch>
To:	Or Gerlitz <ogerlitz@...lanox.com>
Cc:	tom Herbert <therbert@...gle.com>,
	Marcelo Leitner <mleitner@...hat.com>,
	Jesse Gross <jesse@...ira.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: non-OVS based vxlan config broken on 3.19-rc ?!

On 01/14/15 at 05:18pm, Or Gerlitz wrote:
> Guys, just realized that non-OVS based vxlan config is broken with
> 3.19-rc... I see that it works for me on 3.18.2 and breaks on 3.19-rc3
> (Linus tree). Tested over mlx4 (both offloaded and non offloaded modes) and
> igb, see below the simplest form I can see it breaks on 3.19-rcand works on
> 3.18
> 
> Looking on tcpdump and stats, the arp reply arrives to the 3.19-rc host NIC
> driver but is dropped along the stack beforehanded to the vxlan driver, not
> sure where and why...

As additional data point: I tested the VXLAN-GBP with iproute2 based tunnels
on net-next and that works fine. Driver used was a e1000 in KVM.
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