Date: Tue, 29 Oct 2013 03:27:06 -0700 (PDT) From: Nomad Esst <noname.esst@yahoo.com> To: "freebsd-drivers@freebsd.org" <freebsd-drivers@freebsd.org> Subject: How igb ports are numbered Message-ID: <1383042426.69884.YahooMailNeo@web162706.mail.bf1.yahoo.com>
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How this job is done by driver? What should I do in order to change the beginning number of ports numbering? Thanks in advance From owner-freebsd-drivers@FreeBSD.ORG Thu Oct 31 19:27:17 2013 Return-Path: <owner-freebsd-drivers@FreeBSD.ORG> Delivered-To: freebsd-drivers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id A7E7C96A for <freebsd-drivers@freebsd.org>; Thu, 31 Oct 2013 19:27:17 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from bigwig.baldwin.cx (bigwig.baldwin.cx [IPv6:2001:470:1f11:75::1]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 827552B06 for <freebsd-drivers@freebsd.org>; Thu, 31 Oct 2013 19:27:17 +0000 (UTC) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 8BBD9B9B4; Thu, 31 Oct 2013 15:27:16 -0400 (EDT) From: John Baldwin <jhb@freebsd.org> To: freebsd-drivers@freebsd.org, Nomad Esst <noname.esst@yahoo.com> Subject: Re: How igb ports are numbered Date: Thu, 31 Oct 2013 14:33:36 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.4-CBSD-20130906; KDE/4.5.5; amd64; ; ) References: <1383042426.69884.YahooMailNeo@web162706.mail.bf1.yahoo.com> In-Reply-To: <1383042426.69884.YahooMailNeo@web162706.mail.bf1.yahoo.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201310311433.36740.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (bigwig.baldwin.cx); Thu, 31 Oct 2013 15:27:16 -0400 (EDT) X-BeenThere: freebsd-drivers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Writing device drivers for FreeBSD <freebsd-drivers.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-drivers>, <mailto:freebsd-drivers-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-drivers> List-Post: <mailto:freebsd-drivers@freebsd.org> List-Help: <mailto:freebsd-drivers-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-drivers>, <mailto:freebsd-drivers-request@freebsd.org?subject=subscribe> X-List-Received-Date: Thu, 31 Oct 2013 19:27:17 -0000 On Tuesday, October 29, 2013 6:27:06 am Nomad Esst wrote: > How this job is done by driver? What should I do in order to change the beginning number of ports numbering? devclasses (devclass_t) assign unit numbers by using a first-free algorithm when a new device is added. sys/kern/subr_bus.c is the place to dig for more details on this. -- John Baldwin
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