From owner-freebsd-net@FreeBSD.ORG Mon Mar 1 02:49:23 2004 Return-Path: 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 D16FD16A4CE for ; Mon, 1 Mar 2004 02:49:23 -0800 (PST) Received: from us.svf.stuba.sk (us.svf.stuba.sk [147.175.16.9]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4A1B343D2F for ; Mon, 1 Mar 2004 02:49:23 -0800 (PST) (envelope-from md@us.svf.stuba.sk) Received: from us.svf.stuba.sk (localhost [127.0.0.1]) by us.svf.stuba.sk (8.12.11/8.12.11) with ESMTP id i21An6qu052187; Mon, 1 Mar 2004 11:49:06 +0100 (CET) (envelope-from md@us.svf.stuba.sk) Received: (from md@localhost) by us.svf.stuba.sk (8.12.11/8.12.11/Submit) id i21An0CU052186; Mon, 1 Mar 2004 11:49:00 +0100 (CET) (envelope-from md) Date: Mon, 1 Mar 2004 11:49:00 +0100 From: Marian Durkovic To: david.burns@dugeem.net, freebsd-net@freebsd.org Message-ID: <20040301104900.GA51193@us.svf.stuba.sk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.1i X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on us.svf.stuba.sk Subject: Re: Solution: TX performance problems with 3Com 905C cards X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Mar 2004 10:49:23 -0000 On Sun, 22 Feb 2004, David Burns wrote: > The modification was to reduce the NIC interrupt rate via a rudimentary > hardware polling scheme based on the 3c905x countdown timer. Well, the number of interrupts per second is really much higher than e.g. with the fxp driver: xl driver TX: 13500 intrs/sec RX: 13800 intrs/sec fxp driver TX: 5700 intrs/sec RX: 8500 intrs/sec David, could you perhaps send me your if_xl* files so I can test your modifications here? Thanks & kind regards, M. -------------------------------------------------------------------------- ---- ---- ---- Marian Durkovic network manager ---- ---- ---- ---- Slovak Technical University Tel: +421 2 524 51 301 ---- ---- Computer Centre, Nam. Slobody 17 Fax: +421 2 524 94 351 ---- ---- 812 43 Bratislava, Slovak Republic E-mail/sip: md@bts.sk ---- ---- ---- --------------------------------------------------------------------------