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/netinet6/mld6.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) 2009 Bruce Simpson.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  * 3. The name of the author may not be used to endorse or promote
   13  *    products derived from this software without specific prior written
   14  *    permission.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD: releng/8.3/sys/netinet6/mld6.h 191666 2009-04-29 11:31:23Z bms $
   29  */
   30 
   31 #ifndef _NETINET6_MLD6_H_
   32 #define _NETINET6_MLD6_H_
   33 
   34 /*
   35  * Multicast Listener Discovery (MLD) definitions.
   36  */
   37 
   38 /* Minimum length of any MLD protocol message. */
   39 #define MLD_MINLEN      sizeof(struct icmp6_hdr)
   40 
   41 /*
   42  * MLD v2 query format.
   43  * See <netinet/icmp6.h> for struct mld_hdr
   44  * (MLDv1 query and host report format).
   45  */
   46 struct mldv2_query {
   47         struct icmp6_hdr        mld_icmp6_hdr;  /* ICMPv6 header */
   48         struct in6_addr         mld_addr;       /* address being queried */
   49         uint8_t         mld_misc;       /* reserved/suppress/robustness   */
   50         uint8_t         mld_qqi;        /* querier's query interval       */
   51         uint16_t        mld_numsrc;     /* number of sources              */
   52         /* followed by 1..numsrc source addresses */
   53 } __packed;
   54 #define MLD_V2_QUERY_MINLEN             sizeof(struct mldv2_query)
   55 #define MLD_MRC_EXP(x)                  ((ntohs((x)) >> 12) & 0x0007)
   56 #define MLD_MRC_MANT(x)                 (ntohs((x)) & 0x0fff)
   57 #define MLD_QQIC_EXP(x)                 (((x) >> 4) & 0x07)
   58 #define MLD_QQIC_MANT(x)                ((x) & 0x0f)
   59 #define MLD_QRESV(x)                    (((x) >> 4) & 0x0f)
   60 #define MLD_SFLAG(x)                    (((x) >> 3) & 0x01)
   61 #define MLD_QRV(x)                      ((x) & 0x07)
   62 
   63 /*
   64  * MLDv2 host membership report header.
   65  * mld_type: MLDV2_LISTENER_REPORT
   66  */
   67 struct mldv2_report {
   68         struct icmp6_hdr        mld_icmp6_hdr;
   69         /* followed by 1..numgrps records */
   70 } __packed;
   71 /* overlaid on struct icmp6_hdr. */
   72 #define mld_numrecs     mld_icmp6_hdr.icmp6_data16[1]
   73 
   74 struct mldv2_record {
   75         uint8_t                 mr_type;        /* record type */
   76         uint8_t                 mr_datalen;     /* length of auxiliary data */
   77         uint16_t                mr_numsrc;      /* number of sources */
   78         struct in6_addr         mr_addr;        /* address being reported */
   79         /* followed by 1..numsrc source addresses */
   80 } __packed;
   81 #define MLD_V2_REPORT_MAXRECS           65535
   82 
   83 /*
   84  * MLDv2 report modes.
   85  */
   86 #define MLD_DO_NOTHING                  0       /* don't send a record */
   87 #define MLD_MODE_IS_INCLUDE             1       /* MODE_IN */
   88 #define MLD_MODE_IS_EXCLUDE             2       /* MODE_EX */
   89 #define MLD_CHANGE_TO_INCLUDE_MODE      3       /* TO_IN */
   90 #define MLD_CHANGE_TO_EXCLUDE_MODE      4       /* TO_EX */
   91 #define MLD_ALLOW_NEW_SOURCES           5       /* ALLOW_NEW */
   92 #define MLD_BLOCK_OLD_SOURCES           6       /* BLOCK_OLD */
   93 
   94 /*
   95  * MLDv2 query types.
   96  */
   97 #define MLD_V2_GENERAL_QUERY            1
   98 #define MLD_V2_GROUP_QUERY              2
   99 #define MLD_V2_GROUP_SOURCE_QUERY       3
  100 
  101 /*
  102  * Maximum report interval for MLDv1 host membership reports.
  103  */
  104 #define MLD_V1_MAX_RI                   10
  105 
  106 /*
  107  * MLD_TIMER_SCALE denotes that the MLD code field specifies
  108  * time in milliseconds.
  109  */
  110 #define MLD_TIMER_SCALE                 1000
  111 
  112 #endif /* _NETINET6_MLD6_H_ */

Cache object: f177101e4543170e90431be529a07e01


[ 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.