From owner-freebsd-current@FreeBSD.ORG Sun Jan 8 10:59:13 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7D3C016A41F for ; Sun, 8 Jan 2006 10:59:13 +0000 (GMT) (envelope-from massimo@cedoc.mo.it) Received: from insomma.datacode.it (ip-152-166.sn2.eutelia.it [83.211.152.166]) by mx1.FreeBSD.org (Postfix) with ESMTP id DDD9C43D46 for ; Sun, 8 Jan 2006 10:59:11 +0000 (GMT) (envelope-from massimo@cedoc.mo.it) Received: from localhost (localhost.datacode.it [127.0.0.1]) by insomma.datacode.it (Postfix) with SMTP id 89D8D2C906 for ; Sun, 8 Jan 2006 11:59:10 +0100 (CET) Received: from insomma.datacode.it (localhost.datacode.it [127.0.0.1]) by insomma.datacode.it (Postfix) with ESMTP id 96B172C90A; Sun, 8 Jan 2006 11:59:08 +0100 (CET) Received: from massimo.datacode.it (massimo.datacode.it [192.168.1.13]) by insomma.datacode.it (Postfix) with ESMTP id 6E4B42C906; Sun, 8 Jan 2006 11:59:08 +0100 (CET) From: Massimo Lusetti To: Scott Long In-Reply-To: <43C02362.2070009@samsco.org> References: <73774.1136109554@critter.freebsd.dk> <20060101035958.A86264@xorpc.icir.org> <43B7E1EC.5090301@mac.com> <200601060636.k066aNYn079015@apollo.backplane.com> <43BFEB2E.4040303@freebsd.org> <200601071940.k07JeHt3095158@apollo.backplane.com> <43C02362.2070009@samsco.org> Content-Type: text/plain Organization: CEDOC - Modena Date: Sun, 08 Jan 2006 11:59:08 +0100 Message-Id: <1136717948.4312.5.camel@massimo.datacode.it> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 (2.0.4-7) Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV using ClamSMTP Cc: Andre Oppermann , current@freebsd.org Subject: Patch for 1mpps on if_em (was: FreeBSD handles leapsecond correctly) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 08 Jan 2006 10:59:13 -0000 On Sat, 2006-01-07 at 13:24 -0700, Scott Long wrote: > I'm about to release a patch to Andre that should allow if_em to fast > forward 1mpps or more on his hardware, using no shortcuts or hacks other > than the inherent shortcut that the ffwd code provides. The approach > I'm taking also works on the other high performance network interfaces. > There is also a lot of work going on to streamline the ifnet layer that > will likely result in several hundred nanoseconds of latency being > removed from there. I'd personally love to see DragonFly approach this Will all this great stuff end up in RELENG_6 branch? That's very good news (TM) to hear... -- Massimo.run();