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 */ 83struct 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