The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/netinet/igmp.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: igmp.h,v 1.9 2003/08/07 16:33:09 agc Exp $     */
    2 
    3 /*
    4  * Copyright (c) 1992, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * This code is derived from software contributed to Berkeley by
    8  * Stephen Deering of Stanford University.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      @(#)igmp.h      8.1 (Berkeley) 6/10/93
   35  */
   36 
   37 /*
   38  * Copyright (c) 1988 Stephen Deering.
   39  *
   40  * This code is derived from software contributed to Berkeley by
   41  * Stephen Deering of Stanford University.
   42  *
   43  * Redistribution and use in source and binary forms, with or without
   44  * modification, are permitted provided that the following conditions
   45  * are met:
   46  * 1. Redistributions of source code must retain the above copyright
   47  *    notice, this list of conditions and the following disclaimer.
   48  * 2. Redistributions in binary form must reproduce the above copyright
   49  *    notice, this list of conditions and the following disclaimer in the
   50  *    documentation and/or other materials provided with the distribution.
   51  * 3. All advertising materials mentioning features or use of this software
   52  *    must display the following acknowledgement:
   53  *      This product includes software developed by the University of
   54  *      California, Berkeley and its contributors.
   55  * 4. Neither the name of the University nor the names of its contributors
   56  *    may be used to endorse or promote products derived from this software
   57  *    without specific prior written permission.
   58  *
   59  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   60  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   61  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   62  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   63  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   64  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   65  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   66  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   67  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   68  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   69  * SUCH DAMAGE.
   70  *
   71  *      @(#)igmp.h      8.1 (Berkeley) 6/10/93
   72  */
   73 
   74 #ifndef _NETINET_IGMP_H_
   75 #define _NETINET_IGMP_H_
   76 
   77 /*
   78  * Internet Group Management Protocol (IGMP) definitions.
   79  *
   80  * MULTICAST 1.3
   81  */
   82 
   83 /*
   84  * IGMP packet format.
   85  */
   86 struct igmp {
   87         u_int8_t        igmp_type;      /* version & type of IGMP message  */
   88         u_int8_t        igmp_code;      /* code for routing sub-messages   */
   89         u_int16_t       igmp_cksum;     /* IP-style checksum               */
   90         struct in_addr  igmp_group;     /* group address being reported    */
   91 } __attribute__((__packed__));          /*  (zero for queries)             */
   92 
   93 #define IGMP_MINLEN                  8
   94 
   95 #define IGMP_HOST_MEMBERSHIP_QUERY      0x11  /* membership query      */
   96 #define IGMP_v1_HOST_MEMBERSHIP_REPORT  0x12  /* v1 membership report  */
   97 #define IGMP_DVMRP                      0x13  /* DVMRP routing message */
   98 #define IGMP_PIM                        0x14  /* PIM routing message   */
   99 #define IGMP_v2_HOST_MEMBERSHIP_REPORT  0x16  /* v2 membership report  */
  100 #define IGMP_HOST_LEAVE_MESSAGE         0x17  /* leave-group message   */
  101 #define IGMP_MTRACE_REPLY               0x1e  /* traceroute reply      */
  102 #define IGMP_MTRACE_QUERY               0x1f  /* traceroute query      */
  103 
  104 #define IGMP_MAX_HOST_REPORT_DELAY      10    /* max delay for response to */
  105                                               /*  query (in seconds)       */
  106 
  107 #define IGMP_TIMER_SCALE                10    /* denominator for igmp_timer */
  108 
  109 /*
  110  * States for the IGMP v2 state table.
  111  */
  112 #define IGMP_DELAYING_MEMBER    1
  113 #define IGMP_IDLE_MEMBER        2
  114 #define IGMP_LAZY_MEMBER        3
  115 #define IGMP_SLEEPING_MEMBER    4
  116 #define IGMP_AWAKENING_MEMBER   5
  117 
  118 /*
  119  * States for IGMP router version cache.
  120  */
  121 #define IGMP_v1_ROUTER          1
  122 #define IGMP_v2_ROUTER          2
  123 
  124 /*
  125  * Revert to v2 if we haven't heard from the router in this amount of time.
  126  */
  127 #define IGMP_AGE_THRESHOLD      540
  128 
  129 #endif /* _NETINET_IGMP_H_ */

Cache object: 348c379663ce3c5c0d7ae4e1ebb5b0e0


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.