From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zoltan Kiss Subject: Re: [PATCH net-next] xen-netfront: try linearizing SKB if it occupies too many slots Date: Wed, 2 Jul 2014 14:12:14 +0100 Message-ID: <53B4052E.10008@citrix.com> References: <1400238496-2471-1-git-send-email-wei.liu2@citrix.com> <1400245474.7973.154.camel@edumazet-glaptop2.roam.corp.google.com> <20140516131145.GK18551@zion.uk.xensource.com> <1400250068.7973.171.camel@edumazet-glaptop2.roam.corp.google.com> <20140516143653.GL18551@zion.uk.xensource.com> <1400253739.7973.183.camel@edumazet-glaptop2.roam.corp.google.com> <20140516153452.GM18551@zion.uk.xensource.com> <53763CD1.6060500@citrix.com> <53883C18.2050708@canonical.com> <53887472.1000304@citrix.com> <53B3F9BF.603@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Cc: , , David Vrabel , Konrad Wilk , Boris Ostrovsky To: Stefan Bader , Wei Liu , Eric Dumazet Return-path: Received: from smtp02.citrix.com ([66.165.176.63]:36504 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751591AbaGBNMR (ORCPT ); Wed, 2 Jul 2014 09:12:17 -0400 In-Reply-To: <53B3F9BF.603@canonical.com> Sender: netdev-owner@vger.kernel.org List-ID: Hi, Yes, it lost traction recently a little bit. The latest idea is to use the skb segmenting code in netfront to slice up the skb until it becomes a set of skbs which can fit through the ring. But to test that out I need to make pktgen work with TCP, that's where this got stopped. Zoli On 02/07/14 13:23, Stefan Bader wrote: > On 30.05.2014 14:07, Zoltan Kiss wrote: >> On 30/05/14 09:06, Stefan Bader wrote: >>> On 16.05.2014 18:29, Zoltan Kiss wrote: >>>> On 16/05/14 16:34, Wei Liu wrote: >>>>> On Fri, May 16, 2014 at 08:22:19AM -0700, Eric Dumazet wrote: >>>>>> On Fri, 2014-05-16 at 15:36 +0100, Wei Liu wrote: >>>>>>> On Fri, May 16, 2014 at 07:21:08AM -0700, Eric Dumazet wrote: >>>>>>>> On Fri, 2014-05-16 at 14:11 +0100, Wei Liu wrote: > > Hi Zoltan, > > I lost a bit track about this. I think I saw some summary about brainstorming > something similar but for the backend from you (not sure). I think during last > Xen Hackathon. I cannot remember that got to some solution on the netfront side. > Do I miss something? > > -Stefan >> >> Regads, >> >> Zoltan