| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1997-2016 Free Software Foundation, Inc. |
| 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 |
| 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. |
| 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 |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef _NETINET_IGMP_H |
| 19 | #define _NETINET_IGMP_H 1 |
| 20 | |
| 21 | #include <sys/cdefs.h> |
| 22 | #include <sys/types.h> |
| 23 | |
| 24 | #ifdef __USE_MISC |
| 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. |
| 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 { |
| 67 | u_int8_t igmp_type; /* IGMP type */ |
| 68 | u_int8_t igmp_code; /* routing code */ |
| 69 | u_int16_t igmp_cksum; /* checksum */ |
| 70 | struct in_addr igmp_group; /* group address */ |
| 71 | }; |
| 72 | |
| 73 | #define IGMP_MINLEN 8 |
| 74 | |
| 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 | |
| 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 */ |
| 89 | |
| 90 | #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */ |
| 91 | /* query (in seconds) according */ |
| 92 | /* to RFC1112 */ |
| 93 | #define IGMP_TIMER_SCALE 10 /* denotes that the igmp code field */ |
| 94 | /* specifies time in 10th of seconds*/ |
| 95 | |
| 96 | /* |
| 97 | * States for the IGMP v2 state table. |
| 98 | */ |
| 99 | #define IGMP_DELAYING_MEMBER 1 |
| 100 | #define IGMP_IDLE_MEMBER 2 |
| 101 | #define IGMP_LAZY_MEMBER 3 |
| 102 | #define IGMP_SLEEPING_MEMBER 4 |
| 103 | #define IGMP_AWAKENING_MEMBER 5 |
| 104 | |
| 105 | /* |
| 106 | * States for IGMP router version cache. |
| 107 | */ |
| 108 | #define IGMP_v1_ROUTER 1 |
| 109 | #define IGMP_v2_ROUTER 2 |
| 110 | |
| 111 | /* |
| 112 | * The following four defininitions are for backwards compatibility. |
| 113 | * They should be removed as soon as all applications are updated to |
| 114 | * use the new constant names. |
| 115 | */ |
| 116 | #define IGMP_HOST_MEMBERSHIP_QUERY IGMP_MEMBERSHIP_QUERY |
| 117 | #define IGMP_HOST_MEMBERSHIP_REPORT IGMP_V1_MEMBERSHIP_REPORT |
| 118 | #define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT |
| 119 | #define IGMP_HOST_LEAVE_MESSAGE IGMP_V2_LEAVE_GROUP |
| 120 | |
| 121 | __END_DECLS |
| 122 | |
| 123 | #endif |
| 124 | |
| 125 | #endif /* netinet/igmp.h */ |