From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH iproute] vxlan: Add support for remote checksum offload Date: Sun, 29 Nov 2015 11:54:21 -0800 Message-ID: <20151129115421.43b196c5@xeon-e3> References: <1448648623-3336620-1-git-send-email-tom@herbertland.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Cc: , To: Tom Herbert Return-path: Received: from mx0b-000f0801.pphosted.com ([67.231.152.113]:3246 "EHLO mx0b-000f0801.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752369AbbK2TyR (ORCPT ); Sun, 29 Nov 2015 14:54:17 -0500 In-Reply-To: <1448648623-3336620-1-git-send-email-tom@herbertland.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 27 Nov 2015 10:23:43 -0800 Tom Herbert wrote: > This patch adds support to remote checksum checksum offload > to VXLAN. This patch adds remcsumtx and remcsumrx to ip vxlan > configuration to enable remote checksum offload for transmit > and receive on the VXLAN tunnel. > > https://tools.ietf.org/html/draft-herbert-vxlan-rco-00 > > Example: > > ip link add name vxlan0 type vxlan id 42 group 239.1.1.1 dev eth0 \ > udpcsum remcsumtx remcsumrx > > Testing: > > Ran single netperf over mlnx4 to illustrate the effest: > > - Without RCO (UDP csum set to zero) > 4335.99 Mbps > - With RCO enabled > 7661.81 Mbps > > Signed-off-by: Tom Herbert Applied, thanks