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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.h8.1 (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 */
83struct igmp {
84u_charigmp_type;/* version & type of IGMP message */
85u_charigmp_code;/* subtype for routing msgs */
86u_shortigmp_cksum;/* IP-style checksum */
87struct in_addrigmp_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_REPORT0x12/* Ver. 1 membership report */
97#define IGMP_V2_MEMBERSHIP_REPORT0x16/* Ver. 2 membership report */
98#define IGMP_V2_LEAVE_GROUP0x17/* Leave-group message */
99
100#define IGMP_DVMRP0x13/* DVMRP routing message */
101#define IGMP_PIM0x14/* PIM routing message */
102
103#define IGMP_MTRACE_RESP0x1e /* traceroute resp.(to sender)*/
104#define IGMP_MTRACE0x1f /* 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_QUERYIGMP_MEMBERSHIP_QUERY
120#define IGMP_HOST_MEMBERSHIP_REPORTIGMP_V1_MEMBERSHIP_REPORT
121#define IGMP_HOST_NEW_MEMBERSHIP_REPORTIGMP_V2_MEMBERSHIP_REPORT
122#define IGMP_HOST_LEAVE_MESSAGEIGMP_V2_LEAVE_GROUP
123
124#endif /* _NETINET_IGMP_H_ */
125

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