From owner-freebsd-net@FreeBSD.ORG Fri Apr 10 12:40:07 2009 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E8D4F1065670 for ; Fri, 10 Apr 2009 12:40:07 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from mail.cksoft.de (mail.cksoft.de [195.88.108.3]) by mx1.freebsd.org (Postfix) with ESMTP id 9EE768FC2E for ; Fri, 10 Apr 2009 12:40:07 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from localhost (amavis.fra.cksoft.de [192.168.74.71]) by mail.cksoft.de (Postfix) with ESMTP id 91B2641C735; Fri, 10 Apr 2009 14:40:06 +0200 (CEST) X-Virus-Scanned: amavisd-new at cksoft.de Received: from mail.cksoft.de ([195.88.108.3]) by localhost (amavis.fra.cksoft.de [192.168.74.71]) (amavisd-new, port 10024) with ESMTP id wgcrkY+NlyvK; Fri, 10 Apr 2009 14:40:06 +0200 (CEST) Received: by mail.cksoft.de (Postfix, from userid 66) id 3A9F441C732; Fri, 10 Apr 2009 14:40:06 +0200 (CEST) Received: from maildrop.int.zabbadoz.net (maildrop.int.zabbadoz.net [10.111.66.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.int.zabbadoz.net (Postfix) with ESMTP id 5B2E84448E6; Fri, 10 Apr 2009 12:36:47 +0000 (UTC) Date: Fri, 10 Apr 2009 12:36:47 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@maildrop.int.zabbadoz.net To: sthaug@nethelp.no In-Reply-To: <20090407.165708.74744827.sthaug@nethelp.no> Message-ID: <20090410123559.D15361@maildrop.int.zabbadoz.net> References: <20090405215842.C15361@maildrop.int.zabbadoz.net> <20090406.121959.74751582.sthaug@nethelp.no> <20090407144311.F15361@maildrop.int.zabbadoz.net> <20090407.165708.74744827.sthaug@nethelp.no> X-OpenPGP-Key: 0x14003F198FEFA3E77207EE8D2B58B8F83CCF1842 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-net@freebsd.org Subject: Re: IPv6 window scaling factor always 1 on initial SYN X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Apr 2009 12:40:08 -0000 On Tue, 7 Apr 2009, sthaug@nethelp.no wrote: >>> I changed it, and that worked like a dream. Now I get basically the >>> same throughput with IPv4 and IPv6. There are of course still issues >>> like lots of IPv6 tunnels that add extra latency - but that's not the >>> fault of FreeBSD. >>> >>> Anyway, thanks for your work. Below is a context diff (against 7-STABLE >>> cvsupped last night). Do we need a PR to get this into FreeBSD? >> >> It's in HEAD now as of SVN r190800. > > Excellent news, thank you! And presumably we'll get a MFC after a > suitable settling time? If 3 days were suitable;) It'll be part of 7.2-R as it is in stable/7 now. Thanks a lot for reporting and testing! /bz -- Bjoern A. Zeeb The greatest risk is not taking one.