From owner-freebsd-net@FreeBSD.ORG Wed Sep 17 20:27:15 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E0812D2; Wed, 17 Sep 2014 20:27:15 +0000 (UTC) Received: from mail.turbocat.net (mail.turbocat.net [IPv6:2a01:4f8:d16:4514::2]) (using TLSv1.1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 9F255344; Wed, 17 Sep 2014 20:27:15 +0000 (UTC) Received: from laptop015.home.selasky.org (cm-176.74.213.204.customer.telag.net [176.74.213.204]) (using TLSv1 with cipher ECDHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 8B43F24800B; Wed, 17 Sep 2014 22:27:12 +0200 (CEST) Message-ID: <5419EE95.40600@selasky.org> Date: Wed, 17 Sep 2014 22:27:01 +0200 From: Hans Petter Selasky User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Stefano Garzarella , Adrian Chadd Subject: Re: [RFC] Patch to add Software/Generic Segmentation Offload (GSO) support in FreeBSD References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: "freebsd-net@freebsd.org" , freebsd-current , Luigi Rizzo X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Sep 2014 20:27:16 -0000 On 09/17/14 20:18, Stefano Garzarella wrote: > Hi Adrian, > the results that I sent, regard just one flow, but I can try with two > simultaneous flows and I'll send you the results. > > Thanks, > Stefano > Hi Stefano, You might have seen the discussion about TSO. Is it so that the proposed GSO feature only looks at the "ifp->if_hw_tsomax" field, and ignores hardware limits regarding maximum segment size and maximum segment count? --HPS