From owner-freebsd-drivers@FreeBSD.ORG  Tue Nov 24 22:10:45 2009
Return-Path: <owner-freebsd-drivers@FreeBSD.ORG>
Delivered-To: freebsd-drivers@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 309CA106568D
	for <freebsd-drivers@FreeBSD.org>; Tue, 24 Nov 2009 22:10:45 +0000 (UTC)
	(envelope-from imp@bsdimp.com)
Received: from harmony.bsdimp.com (bsdimp.com [199.45.160.85])
	by mx1.freebsd.org (Postfix) with ESMTP id E71F98FC1E
	for <freebsd-drivers@FreeBSD.org>; Tue, 24 Nov 2009 22:10:44 +0000 (UTC)
Received: from localhost (localhost [127.0.0.1])
	by harmony.bsdimp.com (8.14.3/8.14.1) with ESMTP id nAOM62bB068730;
	Tue, 24 Nov 2009 15:06:03 -0700 (MST) (envelope-from imp@bsdimp.com)
Date: Tue, 24 Nov 2009 15:06:36 -0700 (MST)
Message-Id: <20091124.150636.1649828700.imp@bsdimp.com>
To: david.somayajulu@qlogic.com
From: "M. Warner Losh" <imp@bsdimp.com>
In-Reply-To: <75E1A2A7D185F841A975979B0906BBA671F9B39870@AVEXMB1.qlogic.org>
References: <75E1A2A7D185F841A975979B0906BBA671F9B39870@AVEXMB1.qlogic.org>
X-Mailer: Mew version 5.2 on Emacs 21.3 / Mule 5.0 (SAKAKI)
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: freebsd-drivers@FreeBSD.org
Subject: Re: dev/ixgb and dev/ixgbe
X-BeenThere: freebsd-drivers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Writing device drivers for FreeBSD <freebsd-drivers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/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: Tue, 24 Nov 2009 22:10:45 -0000

In message: <75E1A2A7D185F841A975979B0906BBA671F9B39870@AVEXMB1.qlogic.org>
            David Somayajulu <david.somayajulu@qlogic.com> writes:
: I would really appreciate if someone can help me understand the
: difference between the above drivers from Intel. Is one of them for
: older hardware ?

>From their respective man pages:

ixgb:
     The ixgb driver provides support for PCI Gigabit Ethernet adapters based
     on the Intel 82597EX Ethernet controller chips.  The driver supports
     Transmit/Receive checksum offload and Jumbo Frames.

ixgbe:
     The ixgbe driver provides support for PCI 10Gb Ethernet adapters based on
     the Intel 82598EB Intel(R) Network Connections.  The driver supports
     Jumbo Frames, MSIX, TSO, and RSS.

Warner