From owner-freebsd-current@FreeBSD.ORG Sat May 14 04:49:49 2005 Return-Path: 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 9406E16A4D0 for ; Sat, 14 May 2005 04:49:49 +0000 (GMT) Received: from c00l3r.networx.ch (c00l3r.networx.ch [62.48.2.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id AB36743D7B for ; Sat, 14 May 2005 04:49:48 +0000 (GMT) (envelope-from andre@freebsd.org) Received: (qmail 82900 invoked from network); 14 May 2005 04:47:31 -0000 Received: from unknown (HELO freebsd.org) ([62.48.0.54]) (envelope-sender ) by c00l3r.networx.ch (qmail-ldap-1.03) with SMTP for ; 14 May 2005 04:47:31 -0000 Message-ID: <4285836E.3AD4B37@freebsd.org> Date: Sat, 14 May 2005 06:49:50 +0200 From: Andre Oppermann X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: Mike Jakubik References: <20050505133250.GA73885@us.svf.stuba.sk> <20050506065950.GA1999@us.svf.stuba.sk> <20050507043712.GB28373@xor.obsecurity.org> <1318.172.16.0.199.1115846681.squirrel@172.16.0.1> <1424.172.16.0.199.1115851128.squirrel@172.16.0.1> <3973.172.16.0.199.1116028322.squirrel@172.16.0.1> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit cc: freebsd-net@freebsd.org cc: current@freebsd.org cc: Marian Durkovic Subject: Re: Outgoing speed problems in -CURRENT (was: Re: SOLVED: DegradedTCP performace on Intel PRO/1000) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Sat, 14 May 2005 04:49:49 -0000 Mike Jakubik wrote: > > On Thu, May 12, 2005 3:27 am, Marian Durkovic said: > > >> Seems like i am getting half the performance when sending to the fbsd > >> box. Also, enabling jumbo frames does not help, and sometimes even > >> yields slightly slower results. > > > > Yes, that's exactly the problem my patch is addressing - for larger MTU > > sizes the TX FIFO is simply too small. > > > > And the new Intel's driver ver. 2.1.7 for FreeBSD 5.3 has the same bugs. > > I just tried your patch, but unfortunately it does not seem to affect my > problem, the speeds are identical. I am still getting half the performance > when sending out. The fact that this also occurs using another machine and > a different card, leads me to belive something is broken in -CURRENT. net.inet.tcp.sendspace=65536 and try again. -- Andre