From owner-freebsd-sparc64@FreeBSD.ORG Thu Jun 17 06:50:29 2004 Return-Path: Delivered-To: freebsd-sparc64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 570AA16A4CE for ; Thu, 17 Jun 2004 06:50:29 +0000 (GMT) Received: from ns.kt-is.co.kr (ns.kt-is.co.kr [211.218.149.125]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9939643D53 for ; Thu, 17 Jun 2004 06:50:28 +0000 (GMT) (envelope-from yongari@kt-is.co.kr) Received: from michelle.kt-is.co.kr (ns2.kt-is.co.kr [220.76.118.193]) (authenticated bits=128) by ns.kt-is.co.kr (8.12.10/8.12.10) with ESMTP id i5H6mBAh028401 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Thu, 17 Jun 2004 15:48:11 +0900 (KST) Received: from michelle.kt-is.co.kr (localhost.kt-is.co.kr [127.0.0.1]) by michelle.kt-is.co.kr (8.12.10/8.12.10) with ESMTP id i5H6na1r012532 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 17 Jun 2004 15:49:36 +0900 (KST) (envelope-from yongari@kt-is.co.kr) Received: (from yongari@localhost) by michelle.kt-is.co.kr (8.12.10/8.12.10/Submit) id i5H6nZPs012531; Thu, 17 Jun 2004 15:49:35 +0900 (KST) (envelope-from yongari@kt-is.co.kr) Date: Thu, 17 Jun 2004 15:49:35 +0900 From: Pyun YongHyeon To: Herve Boulouis Message-ID: <20040617064935.GB11797@kt-is.co.kr> References: <20040616034520.GB7887@kt-is.co.kr> <20040616234258.A95312@ra.aabs> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040616234258.A95312@ra.aabs> User-Agent: Mutt/1.4.1i X-Filter-Version: 1.11a (ns.kt-is.co.kr) cc: freebsd-sparc64@freebsd.org Subject: Re: TCP/UDP cksum offload on hme(4) X-BeenThere: freebsd-sparc64@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: yongari@kt-is.co.kr List-Id: Porting FreeBSD to the Sparc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jun 2004 06:50:29 -0000 On Wed, Jun 16, 2004 at 11:42:58PM +0200, Herve Boulouis wrote: > Le 16/06/2004 ? 12:45, Pyun YongHyeon a ?crit: > > Hello All, > > > > 2. The patch was tested on Ultra2(2x300MHz, FAS366). I'd like to > > hear ok/nok results from PCI based sparc64 users. > > The dmesg of the Ultra2 is available at: > > http:///www.kr.freebsd.org/~yognari/dmesg.u2.txt > > > > 3. I couldn't feel performance boost from the cksum offloads but > > enabling it reduced system loads considerably. > > After some very basic testing (mainly ftp transfers), your patch > seems to work correctly on my netra t 1125 (2*300Mhz). > > My -current is from mid april. > Thanks for your report. Did you get some speed up by cksum offload? Did you notice system loads changes under heavy traffic? How about NFS over UDP transport layer? I can't saturate the wire with/without my patch.(For TCP without witness it was about 67Mbps. On OpenBSD I got about 93Mbps.) I vaguely guess the reason was caused by hme's lack of auto-negotiation. > -- > Herve Boulouis Regards, Pyun YongHyeon -- Pyun YongHyeon