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Diffstat (limited to 'include/netinet/if_ether.h')
| -rw-r--r-- | include/netinet/if_ether.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/include/netinet/if_ether.h b/include/netinet/if_ether.h new file mode 100644 index 000000000..7194490f5 --- /dev/null +++ b/include/netinet/if_ether.h @@ -0,0 +1,109 @@ +/* Copyright (C) 1996, 1997 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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. + * 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 8.3 (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 */ |