igmp.h
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- /* Copyright (C) 1997, 1999, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #ifndef _NETINET_IGMP_H
- #define _NETINET_IGMP_H 1
- #include <sys/cdefs.h>
- #include <sys/types.h>
- #ifdef __USE_BSD
- #include <netinet/in.h>
- __BEGIN_DECLS
- /*
- * 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.
- * 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
- * $FreeBSD$
- */
- struct igmp {
- u_int8_t igmp_type; /* IGMP type */
- u_int8_t igmp_code; /* routing code */
- u_int16_t igmp_cksum; /* checksum */
- struct in_addr igmp_group; /* group address */
- };
- #define IGMP_MINLEN 8
- /*
- * Message types, including version number.
- */
- #define IGMP_MEMBERSHIP_QUERY 0x11 /* membership query */
- #define IGMP_V1_MEMBERSHIP_REPORT 0x12 /* Ver. 1 membership report */
- #define IGMP_V2_MEMBERSHIP_REPORT 0x16 /* Ver. 2 membership report */
- #define IGMP_V2_LEAVE_GROUP 0x17 /* Leave-group message */
- #define IGMP_DVMRP 0x13 /* DVMRP routing message */
- #define IGMP_PIM 0x14 /* PIM routing message */
- #define IGMP_TRACE 0x15
- #define IGMP_MTRACE_RESP 0x1e /* traceroute resp.(to sender)*/
- #define IGMP_MTRACE 0x1f /* mcast traceroute messages */
- #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */
- /* query (in seconds) according */
- /* to RFC1112 */
- #define IGMP_TIMER_SCALE 10 /* denotes that the igmp code field */
- /* specifies time in 10th of seconds*/
- /*
- * States for the IGMP v2 state table.
- */
- #define IGMP_DELAYING_MEMBER 1
- #define IGMP_IDLE_MEMBER 2
- #define IGMP_LAZY_MEMBER 3
- #define IGMP_SLEEPING_MEMBER 4
- #define IGMP_AWAKENING_MEMBER 5
- /*
- * States for IGMP router version cache.
- */
- #define IGMP_v1_ROUTER 1
- #define IGMP_v2_ROUTER 2
- /*
- * The following four defininitions are for backwards compatibility.
- * They should be removed as soon as all applications are updated to
- * use the new constant names.
- */
- #define IGMP_HOST_MEMBERSHIP_QUERY IGMP_MEMBERSHIP_QUERY
- #define IGMP_HOST_MEMBERSHIP_REPORT IGMP_V1_MEMBERSHIP_REPORT
- #define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT
- #define IGMP_HOST_LEAVE_MESSAGE IGMP_V2_LEAVE_GROUP
- __END_DECLS
- #endif
- #endif /* netinet/igmp.h */