if_ether.h
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- /* Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #ifndef __NETINET_IF_ETHER_H
- #define __NETINET_IF_ETHER_H 1
- #include <features.h>
- #include <sys/types.h>
- /* Get definitions from kernel header file. */
- #include <linux/if_ether.h>
- #ifdef __USE_BSD
- /*
- * 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.
- * 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 8.3 (Berkeley) 5/2/95
- * $FreeBSD$
- */
- #include <net/ethernet.h>
- #include <net/if_arp.h>
- __BEGIN_DECLS
- /*
- * Ethernet Address Resolution Protocol.
- *
- * See RFC 826 for protocol description. Structure below is adapted
- * to resolving internet addresses. Field names used correspond to
- * RFC 826.
- */
- struct ether_arp {
- struct arphdr ea_hdr; /* fixed-size header */
- u_int8_t arp_sha[ETH_ALEN]; /* sender hardware address */
- u_int8_t arp_spa[4]; /* sender protocol address */
- u_int8_t arp_tha[ETH_ALEN]; /* target hardware address */
- u_int8_t arp_tpa[4]; /* target protocol address */
- };
- #define arp_hrd ea_hdr.ar_hrd
- #define arp_pro ea_hdr.ar_pro
- #define arp_hln ea_hdr.ar_hln
- #define arp_pln ea_hdr.ar_pln
- #define arp_op ea_hdr.ar_op
- /*
- * Macro to map an IP multicast address to an Ethernet multicast address.
- * The high-order 25 bits of the Ethernet address are statically assigned,
- * and the low-order 23 bits are taken from the low end of the IP address.
- */
- #define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr)
- /* struct in_addr *ipaddr; */
- /* u_char enaddr[ETH_ALEN]; */
- {
- (enaddr)[0] = 0x01;
- (enaddr)[1] = 0x00;
- (enaddr)[2] = 0x5e;
- (enaddr)[3] = ((u_int8_t *)ipaddr)[1] & 0x7f;
- (enaddr)[4] = ((u_int8_t *)ipaddr)[2];
- (enaddr)[5] = ((u_int8_t *)ipaddr)[3];
- }
- __END_DECLS
- #endif /* __USE_BSD */
- #endif /* netinet/if_ether.h */