Return to igmpv3.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / pimd

pimd 2.3.2

    1: /*
    2:  * Copyright (c) 1998-2001
    3:  * University of Southern California/Information Sciences Institute.
    4:  * All rights reserved.
    5:  *
    6:  * Redistribution and use in source and binary forms, with or without
    7:  * modification, are permitted provided that the following conditions
    8:  * are met:
    9:  * 1. Redistributions of source code must retain the above copyright
   10:  *    notice, this list of conditions and the following disclaimer.
   11:  * 2. Redistributions in binary form must reproduce the above copyright
   12:  *    notice, this list of conditions and the following disclaimer in the
   13:  *    documentation and/or other materials provided with the distribution.
   14:  * 3. Neither the name of the project nor the names of its contributors
   15:  *    may be used to endorse or promote products derived from this software
   16:  *    without specific prior written permission.
   17:  *
   18:  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   19:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
   22:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   28:  * SUCH DAMAGE.
   29:  */
   30: 
   31: #ifndef __PIMD_IGMPV3_H__
   32: #define __PIMD_IGMPV3_H__
   33: 
   34: /*
   35:  * IGMPv3 report modes.
   36:  */
   37: #ifndef IGMP_MODE_IS_INCLUDE
   38: #define IGMP_DO_NOTHING			0	/* don't send a record */
   39: #define IGMP_MODE_IS_INCLUDE		1	/* MODE_IN */
   40: #define IGMP_MODE_IS_EXCLUDE		2	/* MODE_EX */
   41: #define IGMP_CHANGE_TO_INCLUDE_MODE	3	/* TO_IN */
   42: #define IGMP_CHANGE_TO_EXCLUDE_MODE	4	/* TO_EX */
   43: #define IGMP_ALLOW_NEW_SOURCES		5	/* ALLOW_NEW */
   44: #define IGMP_BLOCK_OLD_SOURCES		6	/* BLOCK_OLD */
   45: #endif
   46: 
   47: struct igmpv3_query {
   48:     uint8_t  type;
   49:     uint8_t  code;
   50:     uint16_t csum;
   51:     uint32_t group;
   52: #if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
   53:     uint8_t  qrv:3,
   54:              suppress:1,
   55:              resv:4;
   56: #else
   57:     uint8_t  resv:4,
   58: 	     suppress:1,
   59: 	     qrv:3;
   60: #endif
   61:     uint8_t  qqic;
   62:     uint16_t nsrcs;
   63:     uint32_t srcs[0];
   64: };
   65: 
   66: struct igmpv3_grec {
   67:     uint8_t  grec_type;
   68:     uint8_t  grec_auxwords;
   69:     uint16_t grec_nsrcs;
   70:     uint32_t grec_mca;
   71:     uint32_t grec_src[0];
   72: };
   73: 
   74: #define IGMP_GRPREC_HDRLEN		8
   75: #define IGMP_V3_GROUP_RECORD_MIN_SIZE	8
   76: 
   77: struct igmpv3_report {
   78:     uint8_t  type;
   79:     uint8_t  resv1;
   80:     uint16_t csum;
   81:     uint16_t resv2;
   82:     uint16_t ngrec;
   83:     struct igmpv3_grec grec[0];
   84: };
   85: 
   86: #ifndef IGMP_V3_REPORT_MINLEN
   87: #define IGMP_V3_REPORT_MINLEN		8
   88: #define IGMP_V3_REPORT_MAXRECS		65535
   89: #endif
   90: 
   91: #endif /* __PIMD_IGMPV3_H__ */
   92: 
   93: /**
   94:  * Local Variables:
   95:  *  version-control: t
   96:  *  indent-tabs-mode: t
   97:  *  c-file-style: "ellemtel"
   98:  *  c-basic-offset: 4
   99:  * End:
  100:  */