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-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 1988 Stephen Deering.
    3  * Copyright (c) 1992, 1993
    4  *      The Regents of the University of California.  All rights reserved.
    5  *
    6  * This code is derived from software contributed to Berkeley by
    7  * Stephen Deering of Stanford University.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  * 4. Neither the name of the University nor the names of its contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  *      @(#)igmp.h      8.1 (Berkeley) 6/10/93
   34  * $FreeBSD: releng/8.1/sys/netinet/igmp.h 199583 2009-11-20 15:27:52Z jhb $
   35  */
   36 
   37 #ifndef _NETINET_IGMP_H_
   38 #define _NETINET_IGMP_H_
   39 
   40 /*
   41  * Internet Group Management Protocol (IGMP) definitions.
   42  *
   43  * Written by Steve Deering, Stanford, May 1988.
   44  *
   45  * MULTICAST Revision: 3.5.1.2
   46  */
   47 
   48 /* Minimum length of any IGMP protocol message. */
   49 #define IGMP_MINLEN                     8
   50 
   51 /*
   52  * IGMPv1/v2 query and host report format.
   53  */
   54 struct igmp {
   55         u_char          igmp_type;      /* version & type of IGMP message  */
   56         u_char          igmp_code;      /* subtype for routing msgs        */
   57         u_short         igmp_cksum;     /* IP-style checksum               */
   58         struct in_addr  igmp_group;     /* group address being reported    */
   59 };                                      /*  (zero for queries)             */
   60 
   61 /*
   62  * IGMP v3 query format.
   63  */
   64 struct igmpv3 {
   65         u_char          igmp_type;      /* version & type of IGMP message  */
   66         u_char          igmp_code;      /* subtype for routing msgs        */
   67         u_short         igmp_cksum;     /* IP-style checksum               */
   68         struct in_addr  igmp_group;     /* group address being reported    */
   69                                         /*  (zero for queries)             */
   70         u_char          igmp_misc;      /* reserved/suppress/robustness    */
   71         u_char          igmp_qqi;       /* querier's query interval        */
   72         u_short         igmp_numsrc;    /* number of sources               */
   73         /*struct in_addr        igmp_sources[1];*/ /* source addresses */
   74 };
   75 #define IGMP_V3_QUERY_MINLEN            12
   76 #define IGMP_EXP(x)                     (((x) >> 4) & 0x07)
   77 #define IGMP_MANT(x)                    ((x) & 0x0f)
   78 #define IGMP_QRESV(x)                   (((x) >> 4) & 0x0f)
   79 #define IGMP_SFLAG(x)                   (((x) >> 3) & 0x01)
   80 #define IGMP_QRV(x)                     ((x) & 0x07)
   81 
   82 struct igmp_grouprec {
   83         u_char          ig_type;        /* record type */
   84         u_char          ig_datalen;     /* length of auxiliary data */
   85         u_short         ig_numsrc;      /* number of sources */
   86         struct in_addr  ig_group;       /* group address being reported */
   87         /*struct in_addr        ig_sources[1];*/ /* source addresses */
   88 };
   89 #define IGMP_GRPREC_HDRLEN              8
   90 
   91 /*
   92  * IGMPv3 host membership report header.
   93  */
   94 struct igmp_report {
   95         u_char          ir_type;        /* IGMP_v3_HOST_MEMBERSHIP_REPORT */
   96         u_char          ir_rsv1;        /* must be zero */
   97         u_short         ir_cksum;       /* checksum */
   98         u_short         ir_rsv2;        /* must be zero */
   99         u_short         ir_numgrps;     /* number of group records */
  100         /*struct        igmp_grouprec ir_groups[1];*/   /* group records */
  101 };
  102 #define IGMP_V3_REPORT_MINLEN           8
  103 #define IGMP_V3_REPORT_MAXRECS          65535
  104 
  105 /*
  106  * Message types, including version number.
  107  */
  108 #define IGMP_HOST_MEMBERSHIP_QUERY      0x11    /* membership query         */
  109 #define IGMP_v1_HOST_MEMBERSHIP_REPORT  0x12    /* Ver. 1 membership report */
  110 #define IGMP_DVMRP                      0x13    /* DVMRP routing message    */
  111 #define IGMP_PIM                        0x14    /* PIMv1 message (historic) */
  112 #define IGMP_v2_HOST_MEMBERSHIP_REPORT  0x16    /* Ver. 2 membership report */
  113 #define IGMP_HOST_LEAVE_MESSAGE         0x17    /* Leave-group message     */
  114 #define IGMP_MTRACE_REPLY               0x1e    /* mtrace(8) reply */
  115 #define IGMP_MTRACE_QUERY               0x1f    /* mtrace(8) probe */
  116 #define IGMP_v3_HOST_MEMBERSHIP_REPORT  0x22    /* Ver. 3 membership report */
  117 
  118 /*
  119  * IGMPv3 report modes.
  120  */
  121 #define IGMP_DO_NOTHING                 0       /* don't send a record */
  122 #define IGMP_MODE_IS_INCLUDE            1       /* MODE_IN */
  123 #define IGMP_MODE_IS_EXCLUDE            2       /* MODE_EX */
  124 #define IGMP_CHANGE_TO_INCLUDE_MODE     3       /* TO_IN */
  125 #define IGMP_CHANGE_TO_EXCLUDE_MODE     4       /* TO_EX */
  126 #define IGMP_ALLOW_NEW_SOURCES          5       /* ALLOW_NEW */
  127 #define IGMP_BLOCK_OLD_SOURCES          6       /* BLOCK_OLD */
  128 
  129 /*
  130  * IGMPv3 query types.
  131  */
  132 #define IGMP_V3_GENERAL_QUERY           1
  133 #define IGMP_V3_GROUP_QUERY             2
  134 #define IGMP_V3_GROUP_SOURCE_QUERY      3
  135 
  136 /*
  137  * Maximum report interval for IGMP v1/v2 host membership reports [RFC 1112]
  138  */
  139 #define IGMP_V1V2_MAX_RI                10
  140 #define IGMP_MAX_HOST_REPORT_DELAY      IGMP_V1V2_MAX_RI
  141 
  142 /*
  143  * IGMP_TIMER_SCALE denotes that the igmp code field specifies
  144  * time in tenths of a second.
  145  */
  146 #define IGMP_TIMER_SCALE                10
  147 
  148 #endif /* _NETINET_IGMP_H_ */

Cache object: 42e94442a33d125c533823964a4456f6


[ 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.