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1 | /* | |
2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_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. Please obtain a copy of the License at | |
10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
11 | * file. | |
12 | * | |
13 | * The Original Code and all software distributed under the License are | |
14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
18 | * Please see the License for the specific language governing rights and | |
19 | * limitations under the License. | |
20 | * | |
21 | * @APPLE_LICENSE_HEADER_END@ | |
22 | */ | |
23 | /* | |
24 | * Copyright (c) 1988 Stephen Deering. | |
25 | * Copyright (c) 1992, 1993 | |
26 | * The Regents of the University of California. All rights reserved. | |
27 | * | |
28 | * This code is derived from software contributed to Berkeley by | |
29 | * Stephen Deering of Stanford University. | |
30 | * | |
31 | * Redistribution and use in source and binary forms, with or without | |
32 | * modification, are permitted provided that the following conditions | |
33 | * are met: | |
34 | * 1. Redistributions of source code must retain the above copyright | |
35 | * notice, this list of conditions and the following disclaimer. | |
36 | * 2. Redistributions in binary form must reproduce the above copyright | |
37 | * notice, this list of conditions and the following disclaimer in the | |
38 | * documentation and/or other materials provided with the distribution. | |
39 | * 3. All advertising materials mentioning features or use of this software | |
40 | * must display the following acknowledgement: | |
41 | * This product includes software developed by the University of | |
42 | * California, Berkeley and its contributors. | |
43 | * 4. Neither the name of the University nor the names of its contributors | |
44 | * may be used to endorse or promote products derived from this software | |
45 | * without specific prior written permission. | |
46 | * | |
47 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
48 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
49 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
50 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
51 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
52 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
53 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
54 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
55 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
56 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
57 | * SUCH DAMAGE. | |
58 | * | |
59 | * @(#)igmp.h 8.1 (Berkeley) 6/10/93 | |
60 | * $FreeBSD: src/sys/netinet/igmp.h,v 1.10 1999/08/28 00:49:15 peter Exp $ | |
61 | */ | |
62 | ||
63 | #ifndef _NETINET_IGMP_H_ | |
64 | #define _NETINET_IGMP_H_ | |
65 | #include <sys/appleapiopts.h> | |
66 | ||
67 | /* | |
68 | * Internet Group Management Protocol (IGMP) definitions. | |
69 | * | |
70 | * Written by Steve Deering, Stanford, May 1988. | |
71 | * | |
72 | * MULTICAST Revision: 3.5.1.2 | |
73 | */ | |
74 | ||
75 | /* | |
76 | * IGMP packet format. | |
77 | */ | |
78 | struct igmp { | |
79 | u_char igmp_type; /* version & type of IGMP message */ | |
80 | u_char igmp_code; /* subtype for routing msgs */ | |
81 | u_short igmp_cksum; /* IP-style checksum */ | |
82 | struct in_addr igmp_group; /* group address being reported */ | |
83 | }; /* (zero for queries) */ | |
84 | ||
85 | #define IGMP_MINLEN 8 | |
86 | ||
87 | /* | |
88 | * Message types, including version number. | |
89 | */ | |
90 | #define IGMP_MEMBERSHIP_QUERY 0x11 /* membership query */ | |
91 | #define IGMP_V1_MEMBERSHIP_REPORT 0x12 /* Ver. 1 membership report */ | |
92 | #define IGMP_V2_MEMBERSHIP_REPORT 0x16 /* Ver. 2 membership report */ | |
93 | #define IGMP_V2_LEAVE_GROUP 0x17 /* Leave-group message */ | |
94 | ||
95 | #define IGMP_DVMRP 0x13 /* DVMRP routing message */ | |
96 | #define IGMP_PIM 0x14 /* PIM routing message */ | |
97 | ||
98 | #define IGMP_MTRACE_RESP 0x1e /* traceroute resp.(to sender)*/ | |
99 | #define IGMP_MTRACE 0x1f /* mcast traceroute messages */ | |
100 | ||
101 | #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */ | |
102 | /* query (in seconds) according */ | |
103 | /* to RFC1112 */ | |
104 | ||
105 | ||
106 | #define IGMP_TIMER_SCALE 10 /* denotes that the igmp code field */ | |
107 | /* specifies time in 10th of seconds*/ | |
108 | ||
109 | /* | |
110 | * The following four defininitions are for backwards compatibility. | |
111 | * They should be removed as soon as all applications are updated to | |
112 | * use the new constant names. | |
113 | */ | |
114 | #define IGMP_HOST_MEMBERSHIP_QUERY IGMP_MEMBERSHIP_QUERY | |
115 | #define IGMP_HOST_MEMBERSHIP_REPORT IGMP_V1_MEMBERSHIP_REPORT | |
116 | #define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT | |
117 | #define IGMP_HOST_LEAVE_MESSAGE IGMP_V2_LEAVE_GROUP | |
118 | ||
119 | #endif /* _NETINET_IGMP_H_ */ |