From owner-freebsd-hackers@FreeBSD.ORG Thu Apr 10 09:15:08 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 64E3537B404 for ; Thu, 10 Apr 2003 09:15:08 -0700 (PDT) Received: from mailhub.fokus.fraunhofer.de (mailhub.fokus.fraunhofer.de [193.174.154.14]) by mx1.FreeBSD.org (Postfix) with ESMTP id BA44C43FA3 for ; Thu, 10 Apr 2003 09:15:06 -0700 (PDT) (envelope-from brandt@fokus.fraunhofer.de) Received: from beagle (beagle [193.175.132.100])h3AGF3E25652; Thu, 10 Apr 2003 18:15:03 +0200 (MEST) Date: Thu, 10 Apr 2003 18:15:03 +0200 (CEST) From: Harti Brandt To: Mike Silbersack In-Reply-To: <20030410114643.O472@odysseus.silby.com> Message-ID: <20030410181322.W774@beagle.fokus.fraunhofer.de> References: <20030409114957.GN83126@cicely9.cicely.de> <20030410113602.K472@odysseus.silby.com> <20030410114643.O472@odysseus.silby.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: hackers@freebsd.org cc: John Polstra Subject: Re: realtime problem X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: harti@freebsd.org List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Apr 2003 16:15:08 -0000 On Thu, 10 Apr 2003, Mike Silbersack wrote: MS> MS>On Thu, 10 Apr 2003, Mike Silbersack wrote: MS> MS>> MS>> On Thu, 10 Apr 2003, Harti Brandt wrote: MS>> MS>> > MS>Harti, you're more than welcome to investigate and see if those changes MS>> > MS>reduce delay for you. :) MS>> > MS>> > With this patch I get the following timing: MS>> MS>> The patch I posted was not all inclusive, and did not touch all of the mii MS>> code. You should doublecheck to see if the PHY type of your NIC was MS>> patched or not. MS>> MS>> Mike "Silby" Silbersack MS> MS>Hm, wait, the patch I sent should have affected exphy, which is why newer MS>3Coms use... MS> MS>What were your timing results before the change vs after? This is a 3com and has an exphy, which in turn uses ukphy_status. The timing is the same (960usec), because it never takes the first return. Should it? harti -- harti brandt, http://www.fokus.fraunhofer.de/research/cc/cats/employees/hartmut.brandt/private brandt@fokus.fraunhofer.de, harti@freebsd.org