| 1 | /*␊ |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. The rights granted to you under the License␊ |
| 10 | * may not be used to create, or enable the creation or redistribution of,␊ |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
| 13 | * terms of an Apple operating system software license agreement.␊ |
| 14 | * ␊ |
| 15 | * Please obtain a copy of the License at␊ |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
| 17 | * ␊ |
| 18 | * The Original Code and all software distributed under the License are␊ |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 23 | * Please see the License for the specific language governing rights and␊ |
| 24 | * limitations under the License.␊ |
| 25 | * ␊ |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
| 27 | */␊ |
| 28 | /*␊ |
| 29 | * Copyright (c) 1982, 1986, 1993␊ |
| 30 | *␉The Regents of the University of California. All rights reserved.␊ |
| 31 | *␊ |
| 32 | * Redistribution and use in source and binary forms, with or without␊ |
| 33 | * modification, are permitted provided that the following conditions␊ |
| 34 | * are met:␊ |
| 35 | * 1. Redistributions of source code must retain the above copyright␊ |
| 36 | * notice, this list of conditions and the following disclaimer.␊ |
| 37 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
| 38 | * notice, this list of conditions and the following disclaimer in the␊ |
| 39 | * documentation and/or other materials provided with the distribution.␊ |
| 40 | * 3. All advertising materials mentioning features or use of this software␊ |
| 41 | * must display the following acknowledgement:␊ |
| 42 | *␉This product includes software developed by the University of␊ |
| 43 | *␉California, Berkeley and its contributors.␊ |
| 44 | * 4. Neither the name of the University nor the names of its contributors␊ |
| 45 | * may be used to endorse or promote products derived from this software␊ |
| 46 | * without specific prior written permission.␊ |
| 47 | *␊ |
| 48 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊ |
| 49 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
| 50 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
| 51 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊ |
| 52 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
| 53 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
| 54 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
| 55 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
| 56 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
| 57 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
| 58 | * SUCH DAMAGE.␊ |
| 59 | *␊ |
| 60 | *␉@(#)if_ether.h␉8.3 (Berkeley) 5/2/95␊ |
| 61 | * $FreeBSD: src/sys/netinet/if_ether.h,v 1.24 1999/12/29 04:40:58 peter Exp $␊ |
| 62 | */␊ |
| 63 | ␊ |
| 64 | #ifndef _NETINET_IF_ETHER_H_␊ |
| 65 | #define _NETINET_IF_ETHER_H_␊ |
| 66 | #include <sys/appleapiopts.h>␊ |
| 67 | ␊ |
| 68 | #include <net/ethernet.h>␊ |
| 69 | ␊ |
| 70 | #include <netinet/in.h>␊ |
| 71 | #include <net/if_arp.h>␊ |
| 72 | #define ea_byte␉ether_addr_octet␊ |
| 73 | ␊ |
| 74 | /*␊ |
| 75 | * Macro to map an IP multicast address to an Ethernet multicast address.␊ |
| 76 | * The high-order 25 bits of the Ethernet address are statically assigned,␊ |
| 77 | * and the low-order 23 bits are taken from the low end of the IP address.␊ |
| 78 | */␊ |
| 79 | #define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr) \␊ |
| 80 | ␉/* struct in_addr *ipaddr; */ \␊ |
| 81 | ␉/* u_char enaddr[ETHER_ADDR_LEN];␉ */ \␊ |
| 82 | { \␊ |
| 83 | ␉(enaddr)[0] = 0x01; \␊ |
| 84 | ␉(enaddr)[1] = 0x00; \␊ |
| 85 | ␉(enaddr)[2] = 0x5e; \␊ |
| 86 | ␉(enaddr)[3] = ((const u_char *)ipaddr)[1] & 0x7f; \␊ |
| 87 | ␉(enaddr)[4] = ((const u_char *)ipaddr)[2]; \␊ |
| 88 | ␉(enaddr)[5] = ((const u_char *)ipaddr)[3]; \␊ |
| 89 | }␊ |
| 90 | /*␊ |
| 91 | * Macro to map an IP6 multicast address to an Ethernet multicast address.␊ |
| 92 | * The high-order 16 bits of the Ethernet address are statically assigned,␊ |
| 93 | * and the low-order 32 bits are taken from the low end of the IP6 address.␊ |
| 94 | */␊ |
| 95 | #define ETHER_MAP_IPV6_MULTICAST(ip6addr, enaddr)␉␉␉\␊ |
| 96 | /* struct␉in6_addr *ip6addr; */␉␉␉␉␉\␊ |
| 97 | /* u_char␉enaddr[ETHER_ADDR_LEN]; */␉␉␉␉\␊ |
| 98 | { \␊ |
| 99 | ␉(enaddr)[0] = 0x33;␉␉␉␉␉␉\␊ |
| 100 | ␉(enaddr)[1] = 0x33;␉␉␉␉␉␉\␊ |
| 101 | ␉(enaddr)[2] = ((const u_char *)ip6addr)[12];␉␉␉␉\␊ |
| 102 | ␉(enaddr)[3] = ((const u_char *)ip6addr)[13];␉␉␉␉\␊ |
| 103 | ␉(enaddr)[4] = ((const u_char *)ip6addr)[14];␉␉␉␉\␊ |
| 104 | ␉(enaddr)[5] = ((const u_char *)ip6addr)[15];␉␉␉␉\␊ |
| 105 | }␊ |
| 106 | ␊ |
| 107 | /*␊ |
| 108 | * Ethernet Address Resolution Protocol.␊ |
| 109 | *␊ |
| 110 | * See RFC 826 for protocol description. Structure below is adapted␊ |
| 111 | * to resolving internet addresses. Field names used correspond to␊ |
| 112 | * RFC 826.␊ |
| 113 | */␊ |
| 114 | struct␉ether_arp {␊ |
| 115 | ␉struct␉arphdr ea_hdr;␉/* fixed-size header */␊ |
| 116 | ␉u_char␉arp_sha[ETHER_ADDR_LEN];␉/* sender hardware address */␊ |
| 117 | ␉u_char␉arp_spa[4];␉/* sender protocol address */␊ |
| 118 | ␉u_char␉arp_tha[ETHER_ADDR_LEN];␉/* target hardware address */␊ |
| 119 | ␉u_char␉arp_tpa[4];␉/* target protocol address */␊ |
| 120 | };␊ |
| 121 | #define␉arp_hrd␉ea_hdr.ar_hrd␊ |
| 122 | #define␉arp_pro␉ea_hdr.ar_pro␊ |
| 123 | #define␉arp_hln␉ea_hdr.ar_hln␊ |
| 124 | #define␉arp_pln␉ea_hdr.ar_pln␊ |
| 125 | #define␉arp_op␉ea_hdr.ar_op␊ |
| 126 | ␊ |
| 127 | struct sockaddr_inarp {␊ |
| 128 | ␉u_char␉sin_len;␊ |
| 129 | ␉u_char␉sin_family;␊ |
| 130 | ␉u_short sin_port;␊ |
| 131 | ␉struct␉in_addr sin_addr;␊ |
| 132 | ␉struct␉in_addr sin_srcaddr;␊ |
| 133 | ␉u_short␉sin_tos;␊ |
| 134 | ␉u_short␉sin_other;␊ |
| 135 | #define SIN_PROXY 1␊ |
| 136 | };␊ |
| 137 | /*␊ |
| 138 | * IP and ethernet specific routing flags␊ |
| 139 | */␊ |
| 140 | #define␉RTF_USETRAILERS␉RTF_PROTO1␉/* use trailers */␊ |
| 141 | #define RTF_ANNOUNCE␉RTF_PROTO2␉/* announce new arp entry */␊ |
| 142 | ␊ |
| 143 | ␊ |
| 144 | #endif /* _NETINET_IF_ETHER_H_ */␊ |
| 145 | |
