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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) 1988 Stephen Deering.␊ |
30 | * Copyright (c) 1992, 1993␊ |
31 | *␉The Regents of the University of California. All rights reserved.␊ |
32 | *␊ |
33 | * This code is derived from software contributed to Berkeley by␊ |
34 | * Stephen Deering of Stanford University.␊ |
35 | *␊ |
36 | * Redistribution and use in source and binary forms, with or without␊ |
37 | * modification, are permitted provided that the following conditions␊ |
38 | * are met:␊ |
39 | * 1. Redistributions of source code must retain the above copyright␊ |
40 | * notice, this list of conditions and the following disclaimer.␊ |
41 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
42 | * notice, this list of conditions and the following disclaimer in the␊ |
43 | * documentation and/or other materials provided with the distribution.␊ |
44 | * 3. All advertising materials mentioning features or use of this software␊ |
45 | * must display the following acknowledgement:␊ |
46 | *␉This product includes software developed by the University of␊ |
47 | *␉California, Berkeley and its contributors.␊ |
48 | * 4. Neither the name of the University nor the names of its contributors␊ |
49 | * may be used to endorse or promote products derived from this software␊ |
50 | * without specific prior written permission.␊ |
51 | *␊ |
52 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊ |
53 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
54 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
55 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊ |
56 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
57 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
58 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
59 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
60 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
61 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
62 | * SUCH DAMAGE.␊ |
63 | *␊ |
64 | *␉@(#)igmp.h␉8.1 (Berkeley) 6/10/93␊ |
65 | * $FreeBSD: src/sys/netinet/igmp.h,v 1.10 1999/08/28 00:49:15 peter Exp $␊ |
66 | */␊ |
67 | ␊ |
68 | #ifndef _NETINET_IGMP_H_␊ |
69 | #define _NETINET_IGMP_H_␊ |
70 | #include <sys/appleapiopts.h>␊ |
71 | ␊ |
72 | /*␊ |
73 | * Internet Group Management Protocol (IGMP) definitions.␊ |
74 | *␊ |
75 | * Written by Steve Deering, Stanford, May 1988.␊ |
76 | *␊ |
77 | * MULTICAST Revision: 3.5.1.2␊ |
78 | */␊ |
79 | ␊ |
80 | /*␊ |
81 | * IGMP packet format.␊ |
82 | */␊ |
83 | struct igmp {␊ |
84 | ␉u_char␉␉igmp_type;␉/* version & type of IGMP message */␊ |
85 | ␉u_char␉␉igmp_code;␉/* subtype for routing msgs */␊ |
86 | ␉u_short␉␉igmp_cksum;␉/* IP-style checksum */␊ |
87 | ␉struct in_addr␉igmp_group;␉/* group address being reported */␊ |
88 | };␉␉␉␉␉/* (zero for queries) */␊ |
89 | ␊ |
90 | #define IGMP_MINLEN␉␉ 8␊ |
91 | ␊ |
92 | /*␊ |
93 | * Message types, including version number.␊ |
94 | */␊ |
95 | #define IGMP_MEMBERSHIP_QUERY ␉0x11␉/* membership query */␊ |
96 | #define IGMP_V1_MEMBERSHIP_REPORT␉0x12␉/* Ver. 1 membership report */␊ |
97 | #define IGMP_V2_MEMBERSHIP_REPORT␉0x16␉/* Ver. 2 membership report */␊ |
98 | #define IGMP_V2_LEAVE_GROUP␉␉0x17␉/* Leave-group message␉ */␊ |
99 | ␊ |
100 | #define IGMP_DVMRP␉␉␉0x13␉/* DVMRP routing message */␊ |
101 | #define IGMP_PIM␉␉␉0x14␉/* PIM routing message␉ */␊ |
102 | ␊ |
103 | #define IGMP_MTRACE_RESP␉␉0x1e /* traceroute resp.(to sender)*/␊ |
104 | #define IGMP_MTRACE␉␉␉0x1f /* mcast traceroute messages */␊ |
105 | ␊ |
106 | #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */␊ |
107 | ␉␉␉␉␉ /* query (in seconds) according */␊ |
108 | ␉␉␉␉␉ /* to RFC1112 */␊ |
109 | ␊ |
110 | ␊ |
111 | #define IGMP_TIMER_SCALE 10␉␉/* denotes that the igmp code field */␊ |
112 | ␉␉␉␉␉/* specifies time in 10th of seconds*/␊ |
113 | ␊ |
114 | /*␊ |
115 | * The following four defininitions are for backwards compatibility.␊ |
116 | * They should be removed as soon as all applications are updated to␊ |
117 | * use the new constant names.␊ |
118 | */␊ |
119 | #define IGMP_HOST_MEMBERSHIP_QUERY␉IGMP_MEMBERSHIP_QUERY␊ |
120 | #define IGMP_HOST_MEMBERSHIP_REPORT␉IGMP_V1_MEMBERSHIP_REPORT␊ |
121 | #define IGMP_HOST_NEW_MEMBERSHIP_REPORT␉IGMP_V2_MEMBERSHIP_REPORT␊ |
122 | #define IGMP_HOST_LEAVE_MESSAGE␉␉IGMP_V2_LEAVE_GROUP␊ |
123 | ␊ |
124 | #endif /* _NETINET_IGMP_H_ */␊ |
125 |