From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH net-next 0/4] VXLAN: segmentation offload Date: Thu, 7 Mar 2013 21:40:12 -0800 Message-ID: <20130307214012.52af6292@nehalam.linuxnetplumber.net> References: <1362698490-2378-1-git-send-email-pshelar@nicira.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: davem@davemloft.net, netdev@vger.kernel.org, jesse@nicira.com To: Pravin B Shelar Return-path: Received: from mail-pa0-f51.google.com ([209.85.220.51]:49766 "EHLO mail-pa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751342Ab3CHFkQ (ORCPT ); Fri, 8 Mar 2013 00:40:16 -0500 Received: by mail-pa0-f51.google.com with SMTP id hz1so1043285pad.10 for ; Thu, 07 Mar 2013 21:40:15 -0800 (PST) In-Reply-To: <1362698490-2378-1-git-send-email-pshelar@nicira.com> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 7 Mar 2013 15:21:30 -0800 Pravin B Shelar wrote: > Following patches add segmentation offload to VXLAN. These > patches shows performance improvement from 3.9G to 5.8G (+50%) > with netperf single process TCP_STREAM test on 10G network. > > Pravin B Shelar (4): > net: Add skb_headers_offset_update helper function. > tunneling: Capture inner mac header during encapsulation. > tunneling: Add generic Tunnel segmentation. > VXLAN: Use UDP Tunnel segmention. > > drivers/net/vxlan.c | 21 ++++++- > include/linux/netdev_features.h | 7 +- > include/linux/skbuff.h | 36 ++++++++++++ > net/core/ethtool.c | 1 + > net/core/skbuff.c | 36 +++++------- > net/ipv4/af_inet.c | 6 ++- > net/ipv4/tcp.c | 1 + > net/ipv4/udp.c | 116 ++++++++++++++++++++++++++++++-------- > net/ipv6/ip6_offload.c | 1 + > net/ipv6/udp_offload.c | 10 +++- > 10 files changed, 181 insertions(+), 54 deletions(-) > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Looks good, I wonder how well this will work with vendors plans to offload segmentation of tunnel packets in hardware? Acked-by: Stephen Hemminger