From: Eric Dumazet <eric.dumazet@gmail.com>
To: Joseph Glanville <joseph.glanville@orionvm.com.au>
Cc: David Miller <davem@davemloft.net>,
steweg@ynet.sk, jesse@nicira.com, kuznet@ms2.inr.ac.ru,
jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch v4, kernel version 3.2.1] net/ipv4/ip_gre: Ethernet multipoint GRE over IP
Date: Fri, 27 Jan 2012 06:59:44 +0100 [thread overview]
Message-ID: <1327643984.2919.6.camel@edumazet-laptop> (raw)
In-Reply-To: <CAOzFzEj-UCXwhw0NA=Y=qExG=RdVJB3RAdqU0HrsMo7V+4eGcQ@mail.gmail.com>
Le vendredi 27 janvier 2012 à 09:24 +1100, Joseph Glanville a écrit :
> David is correct, the forwarding speed of Open vSwitch is at parity
> with the Linux Bridging module and its tunneling speed is actually
> slightly faster than the in kernel GRE implementation. I have tested
> this across a variety of configurations.
Thanks for this input ! When was this tested exactly, and do you have
some "perf tool" reports to provide ?
GRE is lockless since one year or so (modulo how is setup the tunnel as
discovered recently)
Also please note that openvSwitch is said to be fast path only on
established flows.
next prev parent reply other threads:[~2012-01-27 5:59 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <18947389.2811326843064500.JavaMail.root@5-MeO-DMT.ynet.sk>
2012-01-17 23:33 ` [patch v4, kernel version 3.2.1] net/ipv4/ip_gre: Ethernet multipoint GRE over IP Stefan Gula
2012-01-23 13:12 ` Štefan Gula
2012-01-23 14:13 ` Eric Dumazet
2012-01-23 18:43 ` David Miller
2012-01-23 22:23 ` Štefan Gula
2012-01-25 3:48 ` Joseph Glanville
2012-01-25 4:02 ` David Miller
2012-01-25 7:11 ` Jesse Gross
2012-01-25 7:38 ` Štefan Gula
2012-01-25 8:37 ` Eric Dumazet
2012-01-25 9:17 ` Štefan Gula
2012-01-25 15:25 ` Joseph Glanville
2012-01-25 21:55 ` David Miller
2012-01-25 22:57 ` Štefan Gula
2012-01-25 23:18 ` Dave Taht
2012-01-26 1:37 ` David Miller
2012-01-26 10:57 ` Štefan Gula
2012-01-26 18:30 ` David Miller
2012-01-26 22:24 ` Joseph Glanville
2012-01-27 5:59 ` Eric Dumazet [this message]
2012-01-27 10:54 ` Joseph Glanville
2012-01-27 21:55 ` Jesse Gross
2012-01-27 21:50 ` Jesse Gross
2012-01-25 5:53 ` Eric Dumazet
2012-01-25 16:57 ` Stephen Hemminger
2012-01-25 21:01 ` Štefan Gula
2012-01-25 21:49 ` David Miller
2012-01-25 22:30 ` Štefan Gula
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