From owner-freebsd-net@FreeBSD.ORG Fri Jul 21 08:23:55 2006 Return-Path: X-Original-To: net@freebsd.org Delivered-To: freebsd-net@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3F20D16A4DF for ; Fri, 21 Jul 2006 08:23:55 +0000 (UTC) (envelope-from dmitry@atlantis.dp.ua) Received: from postman.atlantis.dp.ua (postman.atlantis.dp.ua [193.108.47.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 88A1743D45 for ; Fri, 21 Jul 2006 08:23:53 +0000 (GMT) (envelope-from dmitry@atlantis.dp.ua) Received: from smtp.atlantis.dp.ua (smtp.atlantis.dp.ua [193.108.46.231]) by postman.atlantis.dp.ua (8.13.1/8.13.1) with ESMTP id k6L8NDdq088395; Fri, 21 Jul 2006 11:23:13 +0300 (EEST) (envelope-from dmitry@atlantis.dp.ua) Date: Fri, 21 Jul 2006 11:23:13 +0300 (EEST) From: Dmitry Pryanishnikov To: Jack Vogel In-Reply-To: <2a41acea0607201111x84c4ef8jf8cdb50d3ffa28e0@mail.gmail.com> Message-ID: <20060721111838.M77932@atlantis.atlantis.dp.ua> References: <200607192230.14939.mi+mx@aldan.algebra.com> <20060720025003.GF924@tnn.dglawrence.com> <44BFB667.60106@elischer.org> <2a41acea0607201111x84c4ef8jf8cdb50d3ffa28e0@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Mikhail Teterin , net@freebsd.org, Julian Elischer , "David G. Lawrence" Subject: Re: complement to sendfile()? 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, 21 Jul 2006 08:23:55 -0000 Hello! On Thu, 20 Jul 2006, Jack Vogel wrote: > We, myself and Prafulla Deuskar at Intel LAD, have a driver and stack > changes that support Intel's new I/OAT DMA hardware. This is a > DMA engine in the chipset. There is potential to use the hardware > > We are hoping to get this code into CURRENT soon if there > is interest. Sure there is an interest, spare CPU cycles are never superfluous in production environment! What hardware (NICs/chipsets) supports this I/OAT DMA engine? Sincerely, Dmitry -- Atlantis ISP, System Administrator e-mail: dmitry@atlantis.dp.ua nic-hdl: LYNX-RIPE