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6d7e8eda | 1 | /* Copyright (C) 1997-2023 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
1fb05e3d | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
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17 | |
18 | #ifndef _NETINET_IGMP_H | |
19 | #define _NETINET_IGMP_H 1 | |
20 | ||
21 | #include <sys/cdefs.h> | |
22 | #include <sys/types.h> | |
23 | ||
498afc54 | 24 | #ifdef __USE_MISC |
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25 | |
26 | #include <netinet/in.h> | |
27 | ||
28 | __BEGIN_DECLS | |
29 | ||
30 | /* | |
31 | * Copyright (c) 1988 Stephen Deering. | |
32 | * Copyright (c) 1992, 1993 | |
33 | * The Regents of the University of California. All rights reserved. | |
34 | * | |
35 | * This code is derived from software contributed to Berkeley by | |
36 | * Stephen Deering of Stanford University. | |
37 | * | |
38 | * Redistribution and use in source and binary forms, with or without | |
39 | * modification, are permitted provided that the following conditions | |
40 | * are met: | |
41 | * 1. Redistributions of source code must retain the above copyright | |
42 | * notice, this list of conditions and the following disclaimer. | |
43 | * 2. Redistributions in binary form must reproduce the above copyright | |
44 | * notice, this list of conditions and the following disclaimer in the | |
45 | * documentation and/or other materials provided with the distribution. | |
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46 | * 4. Neither the name of the University nor the names of its contributors |
47 | * may be used to endorse or promote products derived from this software | |
48 | * without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
51 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
53 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
54 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
55 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
56 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
57 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
58 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
59 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
60 | * SUCH DAMAGE. | |
61 | * | |
62 | * @(#)igmp.h 8.1 (Berkeley) 6/10/93 | |
63 | * $FreeBSD$ | |
64 | */ | |
65 | ||
66 | struct igmp { | |
11160cb7 ZW |
67 | uint8_t igmp_type; /* IGMP type */ |
68 | uint8_t igmp_code; /* routing code */ | |
69 | uint16_t igmp_cksum; /* checksum */ | |
70 | struct in_addr igmp_group; /* group address */ | |
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71 | }; |
72 | ||
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73 | #define IGMP_MINLEN 8 |
74 | ||
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75 | /* |
76 | * Message types, including version number. | |
77 | */ | |
78 | #define IGMP_MEMBERSHIP_QUERY 0x11 /* membership query */ | |
79 | #define IGMP_V1_MEMBERSHIP_REPORT 0x12 /* Ver. 1 membership report */ | |
80 | #define IGMP_V2_MEMBERSHIP_REPORT 0x16 /* Ver. 2 membership report */ | |
81 | #define IGMP_V2_LEAVE_GROUP 0x17 /* Leave-group message */ | |
82 | ||
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83 | #define IGMP_DVMRP 0x13 /* DVMRP routing message */ |
84 | #define IGMP_PIM 0x14 /* PIM routing message */ | |
85 | #define IGMP_TRACE 0x15 | |
86 | ||
87 | #define IGMP_MTRACE_RESP 0x1e /* traceroute resp.(to sender)*/ | |
88 | #define IGMP_MTRACE 0x1f /* mcast traceroute messages */ | |
c6df1ce3 | 89 | #define IGMP_MRDISC_ADV 0x30 /* From RFC4286. */ |
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90 | |
91 | #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */ | |
92 | /* query (in seconds) according */ | |
93 | /* to RFC1112 */ | |
94 | #define IGMP_TIMER_SCALE 10 /* denotes that the igmp code field */ | |
95 | /* specifies time in 10th of seconds*/ | |
96 | ||
97 | /* | |
98 | * States for the IGMP v2 state table. | |
99 | */ | |
100 | #define IGMP_DELAYING_MEMBER 1 | |
101 | #define IGMP_IDLE_MEMBER 2 | |
102 | #define IGMP_LAZY_MEMBER 3 | |
103 | #define IGMP_SLEEPING_MEMBER 4 | |
104 | #define IGMP_AWAKENING_MEMBER 5 | |
105 | ||
106 | /* | |
107 | * States for IGMP router version cache. | |
108 | */ | |
109 | #define IGMP_v1_ROUTER 1 | |
110 | #define IGMP_v2_ROUTER 2 | |
111 | ||
112 | /* | |
7f0d9e61 | 113 | * The following four definitions are for backwards compatibility. |
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114 | * They should be removed as soon as all applications are updated to |
115 | * use the new constant names. | |
116 | */ | |
117 | #define IGMP_HOST_MEMBERSHIP_QUERY IGMP_MEMBERSHIP_QUERY | |
118 | #define IGMP_HOST_MEMBERSHIP_REPORT IGMP_V1_MEMBERSHIP_REPORT | |
119 | #define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT | |
120 | #define IGMP_HOST_LEAVE_MESSAGE IGMP_V2_LEAVE_GROUP | |
121 | ||
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122 | __END_DECLS |
123 | ||
124 | #endif | |
125 | ||
126 | #endif /* netinet/igmp.h */ |