| /* Copyright (C) 1997-2014 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #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 */ |