1 | /* |
2 | * Copyright (c) 2000-2011 Apple 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 0x1 |
136 | #define SIN_ROUTER 0x2 |
137 | }; |
138 | /* |
139 | * IP and ethernet specific routing flags |
140 | */ |
141 | #define RTF_USETRAILERS RTF_PROTO1 /* use trailers */ |
142 | #define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */ |
143 | |
144 | #ifdef BSD_KERNEL_PRIVATE |
145 | extern u_char ether_ipmulticast_min[ETHER_ADDR_LEN]; |
146 | extern u_char ether_ipmulticast_max[ETHER_ADDR_LEN]; |
147 | extern struct ifqueue arpintrq; |
148 | |
149 | int arpresolve(struct ifnet *, struct rtentry *, struct mbuf *, |
150 | struct sockaddr *, u_char *, struct rtentry *); |
151 | void arp_ifinit(struct ifnet *, struct ifaddr *); |
152 | #endif /* BSD_KERNEL_PRIVATE */ |
153 | |
154 | #endif /* _NETINET_IF_ETHER_H_ */ |
155 | |