/* * Copyright (c) 2010 Apple, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1988 Stephen Deering. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Stephen Deering of Stanford University. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)igmp.h 8.1 (Berkeley) 6/10/93 * $FreeBSD: src/sys/netinet/igmp.h,v 1.10 1999/08/28 00:49:15 peter Exp $ */ #ifndef _NETINET_IGMP_H_ #define _NETINET_IGMP_H_ #include <sys/appleapiopts.h> /* * Internet Group Management Protocol (IGMP) definitions. * * Written by Steve Deering, Stanford, May 1988. * * MULTICAST Revision: 3.5.1.2 */ /* Minimum length of any IGMP protocol message. */ #define IGMP_MINLEN 8 /* * IGMPv1/v2 query and host report format. */ struct igmp { u_char igmp_type; /* version & type of IGMP message */ u_char igmp_code; /* subtype for routing msgs */ u_short igmp_cksum; /* IP-style checksum */ struct in_addr igmp_group; /* group address being reported */ }; /* (zero for queries) */ /* * IGMP v3 query format. */ struct igmpv3 { u_char igmp_type; /* version & type of IGMP message */ u_char igmp_code; /* subtype for routing msgs */ u_short igmp_cksum; /* IP-style checksum */ struct in_addr igmp_group; /* group address being reported */ /* (zero for queries) */ u_char igmp_misc; /* reserved/suppress/robustness */ u_char igmp_qqi; /* querier's query interval */ u_short igmp_numsrc; /* number of sources */ /*struct in_addr igmp_sources[1];*/ /* source addresses */ }; #define IGMP_V3_QUERY_MINLEN 12 #define IGMP_V3_QUERY_MAX_SRCS 366 /* From RFC 3376, section 4.1.8 */ #define IGMP_EXP(x) (((x) >> 4) & 0x07) #define IGMP_MANT(x) ((x) & 0x0f) #define IGMP_QRESV(x) (((x) >> 4) & 0x0f) #define IGMP_SFLAG(x) (((x) >> 3) & 0x01) #define IGMP_QRV(x) ((x) & 0x07) struct igmp_grouprec { u_char ig_type; /* record type */ u_char ig_datalen; /* length of auxiliary data */ u_short ig_numsrc; /* number of sources */ struct in_addr ig_group; /* group address being reported */ /*struct in_addr ig_sources[1];*/ /* source addresses */ }; #define IGMP_GRPREC_HDRLEN 8 /* * IGMPv3 host membership report header. */ struct igmp_report { u_char ir_type; /* IGMP_v3_HOST_MEMBERSHIP_REPORT */ u_char ir_rsv1; /* must be zero */ u_short ir_cksum; /* checksum */ u_short ir_rsv2; /* must be zero */ u_short ir_numgrps; /* number of group records */ /*struct igmp_grouprec ir_groups[1];*/ /* group records */ }; #define IGMP_V3_REPORT_MINLEN 8 #define IGMP_V3_REPORT_MAXRECS 65535 /* * Message types, including version number. */ #define IGMP_HOST_MEMBERSHIP_QUERY 0x11 /* membership query */ #define IGMP_v1_HOST_MEMBERSHIP_REPORT 0x12 /* Ver. 1 membership report */ #define IGMP_DVMRP 0x13 /* DVMRP routing message */ #define IGMP_PIM 0x14 /* PIMv1 message (historic) */ #define IGMP_v2_HOST_MEMBERSHIP_REPORT 0x16 /* Ver. 2 membership report */ #define IGMP_HOST_LEAVE_MESSAGE 0x17 /* Leave-group message */ #define IGMP_MTRACE_REPLY 0x1e /* mtrace(8) reply */ #define IGMP_MTRACE_QUERY 0x1f /* mtrace(8) probe */ #define IGMP_v3_HOST_MEMBERSHIP_REPORT 0x22 /* Ver. 3 membership report */ /* * IGMPv3 report modes. */ #define IGMP_DO_NOTHING 0 /* don't send a record */ #define IGMP_MODE_IS_INCLUDE 1 /* MODE_IN */ #define IGMP_MODE_IS_EXCLUDE 2 /* MODE_EX */ #define IGMP_CHANGE_TO_INCLUDE_MODE 3 /* TO_IN */ #define IGMP_CHANGE_TO_EXCLUDE_MODE 4 /* TO_EX */ #define IGMP_ALLOW_NEW_SOURCES 5 /* ALLOW_NEW */ #define IGMP_BLOCK_OLD_SOURCES 6 /* BLOCK_OLD */ /* * IGMPv3 query types. */ #define IGMP_V3_GENERAL_QUERY 1 #define IGMP_V3_GROUP_QUERY 2 #define IGMP_V3_GROUP_SOURCE_QUERY 3 /* * Maximum report interval for IGMP v1/v2 host membership reports [RFC 1112] */ #define IGMP_V1V2_MAX_RI 10 #define IGMP_MAX_HOST_REPORT_DELAY IGMP_V1V2_MAX_RI /* * IGMP_TIMER_SCALE denotes that the igmp code field specifies * time in tenths of a second. */ #define IGMP_TIMER_SCALE 10 #endif /* _NETINET_IGMP_H_ */