From owner-freebsd-stable@FreeBSD.ORG Thu Sep 27 06:55:39 2007 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B5D5516A47E for ; Thu, 27 Sep 2007 06:55:39 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.183]) by mx1.freebsd.org (Postfix) with ESMTP id 8408D13C4BF for ; Thu, 27 Sep 2007 06:55:39 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: by wa-out-1112.google.com with SMTP id k17so3143625waf for ; Wed, 26 Sep 2007 23:55:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:received:received:date:from:to:cc:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; bh=h7Qj1ff2AfoH2gVtPoG0/Qca90TKQoOMmhuSUPcKDnI=; b=pDliKcRaSA75TaWfe/rzmpOroSxccWF6JiIZTlxmf1+Q0Ho/5xxNSxya1vksyjIBOWnMaAHuh62fjk1opt/eadAexeS65poulYmoaGmpoUgXEk8waonVN2lJB+s8nLdI6mw9oUyhsrfUXiKbDU530/2H/kElpTbt04inL6y31VU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:date:from:to:cc:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=crZlpX9rFx/N3tnpbUF55GMpznIJUkq6MlWiJTg8Rcw99KdFlGaWosnOUZsoB3xE+Z+frltXId3/fxjyjwl803ly84ep9F7Tsc1KPa9oT0vF7PucK0dHHHN9uGysxLIrB5uzDTYcLMHu1Qc4uG+pvibFawJbgICLpd55WtKVR6I= Received: by 10.115.23.12 with SMTP id a12mr781293waj.1190876138710; Wed, 26 Sep 2007 23:55:38 -0700 (PDT) Received: from michelle.cdnetworks.co.kr ( [211.53.35.84]) by mx.google.com with ESMTPS id f20sm1993801waf.2007.09.26.23.55.34 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 26 Sep 2007 23:55:36 -0700 (PDT) Received: from michelle.cdnetworks.co.kr (localhost.cdnetworks.co.kr [127.0.0.1]) by michelle.cdnetworks.co.kr (8.13.5/8.13.5) with ESMTP id l8R6pudi004002 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 27 Sep 2007 15:51:56 +0900 (KST) (envelope-from pyunyh@gmail.com) Received: (from yongari@localhost) by michelle.cdnetworks.co.kr (8.13.5/8.13.5/Submit) id l8R6ptvM004001; Thu, 27 Sep 2007 15:51:55 +0900 (KST) (envelope-from pyunyh@gmail.com) Date: Thu, 27 Sep 2007 15:51:55 +0900 From: Pyun YongHyeon To: Chris Message-ID: <20070927065155.GE3692@cdnetworks.co.kr> References: <3aaaa3a0709231657r3264c873ife71800731608b03@mail.gmail.com> <20070924020116.GA36909@eos.sc1.parodius.com> <3aaaa3a0709240844j2603a050nd09bb5482a0f3c21@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3aaaa3a0709240844j2603a050nd09bb5482a0f3c21@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Cc: FreeBSD Stable , freebsd-hardware@freebsd.org Subject: Re: nfe driver 6.2 stable X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Sep 2007 06:55:39 -0000 On Mon, Sep 24, 2007 at 04:44:09PM +0100, Chris wrote: > On 24/09/2007, Jeremy Chadwick wrote: > > On Mon, Sep 24, 2007 at 12:57:23AM +0100, Chris wrote: > > > nfe0: flags=8843 mtu 1500 > > > options=8 > > > inet x.x.x.x netmask 0xffffff00 broadcast x.x.x.x > > > inet x.x.x.x netmask 0xffffffff broadcast x.x.x.x > > > ether x > > > media: Ethernet autoselect (1000baseTX ) > > > status: active > > > > > > 1 - is there a man page for nfe anywhere? > > > > Closest thing I can find would be the manpage from -CURRENT's nfe(4), > > which is supposedly the same code. > > > > http://www.freebsd.org/cgi/man.cgi?query=nfe&apropos=0&sektion=0&manpath=FreeBSD+7-current&format=html > > > > > 2 - does it support hardware checksum I remember reading it does but > > > from ifconfig output it appears to not be in use so if it does support > > > it how do I enable it? > > > > It does support it, but I don't know the circumstances surrounding when > > it gets enabled. That is to say, it's known that some versions of the > > chip (and/or associated PHY) have bugs, so possibly hardware checksum > > offloading is known to be broken on the system you're on. Taken from my > > 7-CURRENT box at home (Asus A8N-E, nForce 4-based): > > > > nfe0: flags=8843 metric 0 mtu 1500 > > options=10b > > ether 00:15:f2:17:30:e9 > > inet 192.168.1.51 netmask 0xffffff00 broadcast 192.168.1.255 > > media: Ethernet 1000baseTX > > status: active > > > > I do not explicitly specify rxcsum or txcsum in my rc.conf ifconfig > > line. > > > > > 3 - same with TOS? > > > > TOS (type-of-service) or TSO? If TSO, see above ifconfig. > > > > > 4 - how do I enable jumbo frames if it supports it? > > > > You should take a bit more itme to read the webpage you obtained the > > driver from. I see these on the page: > > > > 2007/01/06 Added jumbo frame support. [...] Fixed a bug to handle > > Tx/Rx checksum offload settings with ifconfig. > > 2006/08/11 Added support for jumbo frame capability. > > > > yongari@ (Pyun YongHyeon) should be able to provide additional help > > with both. > > > > > 5 - is it safe to use with zero copy sockets? > > > > No idea. > > > > > 6 - I currently have both net.isr.direct and mpsafenet disabled is > > > this driver safe to use on them? > > > > No idea. > > > > -- > > | Jeremy Chadwick jdc at parodius.com | > > | Parodius Networking http://www.parodius.com/ | > > | UNIX Systems Administrator Mountain View, CA, USA | > > | Making life hard for others since 1977. PGP: 4BD6C0CB | > > > > > > Thanks yes I meant TSO sorry, I would guess with the checksum either > the 6.x driver is older and not fully implemented yet, the 6.x driver > does need more patches for certian chipsets so would indicate its > older then the CURRENT driver. Or as you said my chipset is known to > be unstable with the hardware checksums. > See the other mail I've posted. > The card is more stable when using nve driver no crashes still but the > performance is around the same maxing out at around 200mbit. I was > expecting nearer 400-500mbit. > > e1000phy0: on miibus0 > There had been issues nfe(4) with 88E1116/88E1149 PHYs but your issue seems to be different one. How about manually set media configuration? For example, "ifconfig nfe0 media 1000baseTX mediaopt full-duplex" > Is the line from dmesg, I believe in CURRENT mpsafe is always on > regardless so if you have no problems then its a good sign and I will > reenable mpsafe networking (default). > > Thanks really appreciated. > > Chris -- Regards, Pyun YongHyeon