From owner-freebsd-sparc64@FreeBSD.ORG Thu Oct 12 13:22:39 2006 Return-Path: X-Original-To: freebsd-sparc64@freebsd.org Delivered-To: freebsd-sparc64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5998B16A4F0 for ; Thu, 12 Oct 2006 13:22:39 +0000 (UTC) (envelope-from dmitry@atlantis.dp.ua) Received: from postman.atlantis.dp.ua (postman.atlantis.dp.ua [193.108.47.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 45B3043D64 for ; Thu, 12 Oct 2006 13:22:25 +0000 (GMT) (envelope-from dmitry@atlantis.dp.ua) Received: from atlantis.dp.ua (localhost [127.0.0.1]) by postman.atlantis.dp.ua (8.13.1/8.13.1) with ESMTP id k9CDM57U090905; Thu, 12 Oct 2006 16:22:10 +0300 (EEST) (envelope-from dmitry@atlantis.dp.ua) Received: from localhost (dmitry@localhost) by atlantis.dp.ua (8.13.1/8.13.1/Submit) with ESMTP id k9CDM5x7090902; Thu, 12 Oct 2006 16:22:05 +0300 (EEST) (envelope-from dmitry@atlantis.dp.ua) Date: Thu, 12 Oct 2006 16:22:05 +0300 (EEST) From: Dmitry Pryanishnikov To: Marius Strobl In-Reply-To: <20061012115625.GA68909@alchemy.franken.de> Message-ID: <20061012161739.W18244@atlantis.atlantis.dp.ua> References: <20061012111400.E36157@atlantis.atlantis.dp.ua> <20061012115625.GA68909@alchemy.franken.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Miles Nordin , freebsd-sparc64@freebsd.org Subject: Re: Netra t1 105: novice questions X-BeenThere: freebsd-sparc64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the Sparc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Oct 2006 13:22:39 -0000 Hello! On Thu, 12 Oct 2006, Marius Strobl wrote: >> I'm still curious (1) why there are 2 PHYs on 1st controller, and > > In short, harware-wise it simply has two PHYs attached to the > first HME. T1 105 consist of a CP1500 CompactPCI cartridge > (think of it as a stand-alone system board) and an expansion > board mounted back-to-back. The MII-buses of both HMEs span > both of these boards. For the first HME/MII-bus there's one > PHY and one RJ45 jack on the CP1500 and another PHY with > another RJ45 jack on the expansion board. The latter is the > one accessible from the back of the T1 105. You can see > though not use the first jack if you open the T1 105; IIRC > it's behind a piece of plastic between the power supply and > the CP1500. Indeed, I've found it ;) > HMEs support a maximum of two PHYs (meant as internal and > external PHY) while generally there can be a maximum of 32 > devices including the NIC on a MII-bus IIRC. Interesting design - I've never seen hardware with multiple PHYs per controller. >> (2) why MAC addresses are the same. > > Please go read the hme(4) man page. Thanks, setting local-mac-address? to true actually makes MACs different. > Marius Sincerely, Dmitry -- Atlantis ISP, System Administrator e-mail: dmitry@atlantis.dp.ua nic-hdl: LYNX-RIPE