From owner-freebsd-net@FreeBSD.ORG Thu Jun 17 00:14:48 2010 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B432E10656BB; Thu, 17 Jun 2010 00:14:48 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from mail-vw0-f54.google.com (mail-vw0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id 3EB808FC12; Thu, 17 Jun 2010 00:14:47 +0000 (UTC) Received: by vws20 with SMTP id 20so9381607vws.13 for ; Wed, 16 Jun 2010 17:14:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=3fzOU4Mp+EwWLKDqJdWZG0havF+rJwP0SqoMRtL18wk=; b=q07tC0xQigXdgxjjXEqb1JGbCcEd51o791wMvrokXZVAo98jhhC5ATxtXUyihAYTIE vJylt+b28Hd2E17NwZ921rwnwWIiyna0CPpKb1ATEAmiqMZCxMSkSHV8P6g+kYB4ODj0 /Hxdi3lULFEEm+KeiQF1sRWGlJ7m/hm696oD8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=nCMFXGvtSAu/v/Ru4wWecyM5T0O4magUuJRndYkIgfBo4rZ1LXfGBvRyHdZKHfTTZY AL1WxMlYsqHWJ7qCwI9D3atQP4J1+jMLbf1rENppRUPatiIs2kWZqJRryIJ7Ppovjw8F dBq7a38qvcsQxnn2nyW6N3byYT/0vfQjq9vvA= MIME-Version: 1.0 Received: by 10.224.96.229 with SMTP id i37mr4899669qan.270.1276733687230; Wed, 16 Jun 2010 17:14:47 -0700 (PDT) Received: by 10.229.246.65 with HTTP; Wed, 16 Jun 2010 17:14:47 -0700 (PDT) In-Reply-To: References: <82D310BD-48DE-4F79-84C6-356AB4F04C42@averesystems.com> Date: Wed, 16 Jun 2010 17:14:47 -0700 Message-ID: From: Jack Vogel To: Alexander Sack Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Juli Mallett , freebsd-net@freebsd.org, Andrew Boyer Subject: Re: Dual-rate transceivers with ixgbe? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jun 2010 00:14:48 -0000 You cannot force the link speed, but my validation engineer just checked the current driver and it links down to 1G just fine, but you cannot do it manually, it is only negotiated. I am going to look at the code to add the manual control. Jack On Wed, Jun 16, 2010 at 12:27 PM, Alexander Sack wrote: > On Mon, Jun 14, 2010 at 1:19 PM, Jack Vogel wrote: > > I am NOT going to accept patches to defeat the code that Intel has put in > > place, > > if you want to hack the code that's your perogative but its like any > other > > custom > > change, you made it, you manage it. > > > > 1G SFP do not work and are not supported, there IS a supported SFP+ > > multispeed > > that can link at 1G, this was tested here. > > > Jack, understood. I won't submit my final patch with the work around to > you. > > However, I have a 82599EB with an Intel dual-rate SFP+ receiver which > will not come in 1G mode no matter how hard I try. I have dumped the > AUTOC and LINKS register and the card is not happy. > > Basically the driver: > > Writes 0xC0905004 to AUTOC to start AN/Link startup and the LINKS > immediately reports 0x203c0001 before looking in > setup_multispeed_fiber->setup_mac_link_82599 etc. > > Can you confirm with your test engineer that the Intel dual-rate SFP+ > works in 1Gbe mode on FreeBSD? > > Thanks! > > -aps > > PS The cables I have are good and the optical tester shows they are > active as well as plugging them into another card with a standard SFP > module (Finisar). >