/* * NOTE! On the Alpha, we have an alignment constraint. * The first thing in the packet is a 14-byte Ethernet header. * This means that the packet is misaligned. To compensate, * we actually offset the data 2 bytes into the cluster. This * alignes the packet after the Ethernet header at a 32-bit * boundary. */ /*- * Copyright (c) 2006 Broadcom Corporation * David Christensen <davidch@broadcom.com>. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Broadcom Corporation nor the name of its contributors * may be used to endorse or promote products derived from this software * without specific prior written consent. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: src/sys/dev/bce/if_bcereg.h,v 1.4 2006/05/04 00:34:07 mjacob Exp $ */ /* * NOTE! On the Alpha, we have an alignment constraint. * The first thing in the packet is a 14-byte Ethernet header. * This means that the packet is misaligned. To compensate, * we actually offset the data 2 bytes into the cluster. This * alignes the packet after the Ethernet header at a 32-bit * boundary. */