From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: Re: tcp wifi upload performance and lots of ACKs Date: Wed, 06 Jun 2012 17:40:56 -0700 Message-ID: <4FCFF898.8050201@candelatech.com> References: <4FCCFE76.3060304@candelatech.com> <4FCFF540.5010608@candelatech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev To: Daniel Baluta Return-path: Received: from mail.candelatech.com ([208.74.158.172]:34900 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756906Ab2FGAk7 (ORCPT ); Wed, 6 Jun 2012 20:40:59 -0400 In-Reply-To: <4FCFF540.5010608@candelatech.com> Sender: netdev-owner@vger.kernel.org List-ID: On 06/06/2012 05:26 PM, Ben Greear wrote: > On 06/04/2012 12:22 PM, Daniel Baluta wrote: > >> Currently, there is no way to tune these parameters. Here is an experimental >> patch [1]. If anyone, thinks that this patch has a chance to get accepted >> I will be happily try to further improve it. >> >>> >>> Packet traces and other info available if anyone wants to take a look. >> >> thanks, >> Daniel. >> >> [1] http://marc.info/?l=linux-netdev&m=131983649130350&w=2 > > I tried your patch in 3.5.0-rc1. > > Doesn't seem to help any...do you have suggested settings for > the proc values? (I tried increasing tcp_delack_segs up to 10, > but no significant increase...) > > I'll keep poking around. Ahh, forcing send-buffer to be large helps significantly..wonder if that was my original problem. Will get some more useful results tomorrow... Thanks, Ben > > Thanks, > Ben > -- Ben Greear Candela Technologies Inc http://www.candelatech.com