From owner-freebsd-net Mon Oct 14 14: 0:51 2002 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 BF9B637B401 for ; Mon, 14 Oct 2002 14:00:50 -0700 (PDT) Received: from wall.polstra.com (wall-gw.polstra.com [206.213.73.130]) by mx1.FreeBSD.org (Postfix) with ESMTP id 061AA43EA3 for ; Mon, 14 Oct 2002 14:00:50 -0700 (PDT) (envelope-from jdp@polstra.com) Received: from vashon.polstra.com (vashon.polstra.com [206.213.73.13]) by wall.polstra.com (8.11.3/8.11.3) with ESMTP id g9EL0mx08322; Mon, 14 Oct 2002 14:00:48 -0700 (PDT) (envelope-from jdp@vashon.polstra.com) Received: (from jdp@localhost) by vashon.polstra.com (8.12.5/8.12.5/Submit) id g9EL0lnn022565; Mon, 14 Oct 2002 14:00:47 -0700 (PDT) (envelope-from jdp) Date: Mon, 14 Oct 2002 14:00:47 -0700 (PDT) Message-Id: <200210142100.g9EL0lnn022565@vashon.polstra.com> To: net@freebsd.org From: John Polstra Cc: hykim@cs.rice.edu Subject: Re: Tigon 3 bad checksums on TCP packets In-Reply-To: References: Organization: Polstra & Co., Seattle, WA Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org In article , Hyong-Youb Kim wrote: > > BTW, setting BGE_PCI_WRITE_BNDRY_16BYTES limits receive throughput to > 540Mb/s. So it is not a solution. > I really like to find out what this config does. It works around a bug in the BCM570x chip, apparently. I noticed that the Linux driver only applies this workaround for 5700 and 5701 chips. If you want better performance you may have to wait until you can buy cards with the newer 5703 chips on them. Or, switch to a non-Athlon system. John -- John Polstra John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message