release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/sysroot/usr/include/netinet/igmp.h

   1 /* Copyright (C) 1997, 1999, 2003 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifndef _NETINET_IGMP_H
  20 #define _NETINET_IGMP_H 1
  21
  22 #include <sys/cdefs.h>
  23 #include <sys/types.h>
  24
  25 #ifdef __USE_BSD
  26
  27 #include <netinet/in.h>
  28
  29 __BEGIN_DECLS
  30
  31 /*
  32  * Copyright (c) 1988 Stephen Deering.
  33  * Copyright (c) 1992, 1993
  34  *      The Regents of the University of California.  All rights reserved.
  35  *
  36  * This code is derived from software contributed to Berkeley by
  37  * Stephen Deering of Stanford University.
  38  *
  39  * Redistribution and use in source and binary forms, with or without
  40  * modification, are permitted provided that the following conditions
  41  * are met:
  42  * 1. Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  * 2. Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in the
  46  *    documentation and/or other materials provided with the distribution.
  47  * 4. Neither the name of the University nor the names of its contributors
  48  *    may be used to endorse or promote products derived from this software
  49  *    without specific prior written permission.
  50  *
  51  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  52  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  53  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  54  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  55  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  56  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  57  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  58  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  59  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  60  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  61  * SUCH DAMAGE.
  62  *
  63  *      @(#)igmp.h      8.1 (Berkeley) 6/10/93
  64  *      $FreeBSD$
  65  */
  66
  67 struct igmp {
  68   u_int8_t igmp_type;             /* IGMP type */
  69   u_int8_t igmp_code;             /* routing code */
  70   u_int16_t igmp_cksum;           /* checksum */
  71   struct in_addr igmp_group;      /* group address */
  72 };
  73
  74 #define IGMP_MINLEN                     8
  75
  76 /*
  77  * Message types, including version number.
  78  */
  79 #define IGMP_MEMBERSHIP_QUERY           0x11    /* membership query         */
  80 #define IGMP_V1_MEMBERSHIP_REPORT       0x12    /* Ver. 1 membership report */
  81 #define IGMP_V2_MEMBERSHIP_REPORT       0x16    /* Ver. 2 membership report */
  82 #define IGMP_V2_LEAVE_GROUP             0x17    /* Leave-group message      */
  83
  84 #define IGMP_DVMRP                      0x13    /* DVMRP routing message    */
  85 #define IGMP_PIM                        0x14    /* PIM routing message      */
  86 #define IGMP_TRACE                      0x15
  87
  88 #define IGMP_MTRACE_RESP                0x1e    /* traceroute resp.(to sender)*/
  89 #define IGMP_MTRACE                     0x1f    /* mcast traceroute messages  */
  90
  91 #define IGMP_MAX_HOST_REPORT_DELAY      10      /* max delay for response to     */
  92                                                 /*  query (in seconds) according */
  93                                                 /*  to RFC1112                   */
  94 #define IGMP_TIMER_SCALE                10      /* denotes that the igmp code field */
  95                                                 /* specifies time in 10th of seconds*/
  96
  97 /*
  98  * States for the IGMP v2 state table.
  99  */
 100 #define IGMP_DELAYING_MEMBER    1
 101 #define IGMP_IDLE_MEMBER        2
 102 #define IGMP_LAZY_MEMBER        3
 103 #define IGMP_SLEEPING_MEMBER    4
 104 #define IGMP_AWAKENING_MEMBER   5
 105
 106 /*
 107  * States for IGMP router version cache.
 108  */
 109 #define IGMP_v1_ROUTER          1
 110 #define IGMP_v2_ROUTER          2
 111
 112 /*
 113  * The following four defininitions are for backwards compatibility.
 114  * They should be removed as soon as all applications are updated to
 115  * use the new constant names.
 116  */
 117 #define IGMP_HOST_MEMBERSHIP_QUERY      IGMP_MEMBERSHIP_QUERY
 118 #define IGMP_HOST_MEMBERSHIP_REPORT     IGMP_V1_MEMBERSHIP_REPORT
 119 #define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT
 120 #define IGMP_HOST_LEAVE_MESSAGE         IGMP_V2_LEAVE_GROUP
 121
 122 __END_DECLS
 123
 124 #endif
 125
 126 #endif  /* netinet/igmp.h */