netdev - Re: [PATCH v2 net-next] inet: fix a UFO regression

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Message-ID: <1383944249.16391.1.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 08 Nov 2013 12:57:29 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Sridhar Samudrala <samudrala.sridhar@...il.com>
Cc:	Alexei Starovoitov <ast@...mgrid.com>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Hannes Frederic Sowa <hannes@...essinduktion.org>
Subject: Re: [PATCH v2 net-next] inet: fix a UFO regression

On Fri, 2013-11-08 at 12:20 -0800, Sridhar Samudrala wrote:

> I am seeing almost similar results with both Emulex and Intel 10Gb NICs 
> at both sender and receiver.
> >
> > If you use GRE instead of VXLAN, do you get any difference in speed ?
> With GRE, i am seeing slightly better results. 3.2Gb/s compared to 
> 1.8Gb/s with vxlan.

Thanks, it seems to point a bottleneck at receiver, as we have GRO
support for GRE, but not yet for VXLAN.


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