/* IBM_PROLOG_BEGIN_TAG                                                   */
/* This is an automatically generated prolog.                             */
/*                                                                        */
/* bos720 src/bos/kernext/inet/if_ether6.h 1.4                            */
/*                                                                        */
/* Licensed Materials - Property of IBM                                   */
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/* COPYRIGHT International Business Machines Corp. 1997                   */
/* All Rights Reserved                                                    */
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/* IBM_PROLOG_END_TAG                                                     */
/* @(#)13	1.4  src/bos/kernext/inet/if_ether6.h, sockinc, bos720 8/8/97 19:05:55 */
/*	$NetBSD: if_ether.h,v 1.12 1995/03/06 19:06:11 glass Exp $	*/

/*
 * Copyright (c) 1982, 1986, 1993
 *	The Regents of the University of California.  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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 *
 *	@(#)if_ether.h	8.1 (Berkeley) 6/10/93
 */

#ifndef _NETINET_IF_ETHER6_H_
#define _NETINET_IF_ETHER6_H_

#define	ETHERTYPE_IPV6		0x86dd	/* IPv6 protocol */
#define	ETHER_ADDR_LEN		6

/*
 * Macro to map an IPv6 multicast address to an Ethernet multicast address.
 * The high-order 16 bits of the Ethernet address are statically assigned,
 * and the low-order 32 bits are taken from the low end of the IPv6 address.
 *
 * TODO: get the *real* address!
 */
#define ETHER_MAP_IP6_MULTICAST(ip6addr, enaddr)			\
	/* struct in6_addr *ip6addr; */					\
	/* u_int8_t enaddr[ETHER_ADDR_LEN]; */				\
{									\
	(enaddr)[0] = 0x33;						\
	(enaddr)[1] = 0x33;						\
	(enaddr)[2] = ((u_int8_t *)ip6addr)[12];			\
	(enaddr)[3] = ((u_int8_t *)ip6addr)[13];			\
	(enaddr)[4] = ((u_int8_t *)ip6addr)[14];			\
	(enaddr)[5] = ((u_int8_t *)ip6addr)[15];			\
}

extern u_char ether_ip6multicast_min[ETHER_ADDR_LEN];
extern u_char ether_ip6multicast_max[ETHER_ADDR_LEN];

#endif