From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH net-next v3 0/2] veth and GSO maximums Date: Fri, 8 Dec 2017 16:15:24 -0800 Message-ID: <20171208161524.731eb26c@xeon-e3> References: <20171207234020.18783-1-sthemmin@microsoft.com> <20171208.142323.2060389926267620856.davem@davemloft.net> <20171208235024.GA13336@ssarabia-MOBL7.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, sthemmin@microsoft.com, davem@davemloft.net To: Solio Sarabia Return-path: Received: from mail-pg0-f53.google.com ([74.125.83.53]:34378 "EHLO mail-pg0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751146AbdLIAP1 (ORCPT ); Fri, 8 Dec 2017 19:15:27 -0500 Received: by mail-pg0-f53.google.com with SMTP id j4so7886481pgp.1 for ; Fri, 08 Dec 2017 16:15:27 -0800 (PST) In-Reply-To: <20171208235024.GA13336@ssarabia-MOBL7.amr.corp.intel.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 8 Dec 2017 15:50:25 -0800 Solio Sarabia wrote: > On Fri, Dec 08, 2017 at 02:23:23PM -0500, David Miller wrote: > > From: Stephen Hemminger > > Date: Thu, 7 Dec 2017 15:40:18 -0800 > > > > > This is the more general way to solving the issue of GSO limits > > > not being set correctly for containers on Azure. If a GSO packet > > > is sent to host that exceeds the limit (reported by NDIS), then > > > the host is forced to do segmentation in software which has noticeable > > > performance impact. > > > > > > The core rtnetlink infrastructure already has the messages and > > > infrastructure to allow changing gso limits. With an updated iproute2 > > > the following already works: > > > # ip li set dev dummy0 gso_max_size 30000 > > > > > > These patches are about making it easier with veth. > > > > Ok, this is definitely a step forward. > > > > Series applied, thanks Stephen. > > Thanks. > Still not seeing the iproute2 patch though, either master or net-next. I held off on iproute2 until kernel change is accepted upstream.