Home | History | Annotate | Line # | Download | only in netinet6
      1  1.5     elad /*	$NetBSD: pim6.h,v 1.5 2005/12/10 23:39:56 elad Exp $	*/
      2  1.4   itojun /*	$KAME: pim6.h,v 1.3 2000/03/25 07:23:58 sumikawa Exp $	*/
      3  1.3  thorpej 
      4  1.2   itojun /*
      5  1.2   itojun  * Copyright (C) 1998 WIDE Project.
      6  1.2   itojun  * All rights reserved.
      7  1.4   itojun  *
      8  1.2   itojun  * Redistribution and use in source and binary forms, with or without
      9  1.2   itojun  * modification, are permitted provided that the following conditions
     10  1.2   itojun  * are met:
     11  1.2   itojun  * 1. Redistributions of source code must retain the above copyright
     12  1.2   itojun  *    notice, this list of conditions and the following disclaimer.
     13  1.2   itojun  * 2. Redistributions in binary form must reproduce the above copyright
     14  1.2   itojun  *    notice, this list of conditions and the following disclaimer in the
     15  1.2   itojun  *    documentation and/or other materials provided with the distribution.
     16  1.2   itojun  * 3. Neither the name of the project nor the names of its contributors
     17  1.2   itojun  *    may be used to endorse or promote products derived from this software
     18  1.2   itojun  *    without specific prior written permission.
     19  1.4   itojun  *
     20  1.2   itojun  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     21  1.2   itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22  1.2   itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23  1.2   itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     24  1.2   itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25  1.2   itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26  1.2   itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27  1.2   itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28  1.2   itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29  1.2   itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30  1.2   itojun  * SUCH DAMAGE.
     31  1.2   itojun  */
     32  1.5     elad 
     33  1.5     elad #ifndef _NETINET6_PIM6_H_
     34  1.5     elad #define _NETINET6_PIM6_H_
     35  1.5     elad 
     36  1.2   itojun /*
     37  1.2   itojun  * Protocol Independent Multicast (PIM) definitions
     38  1.2   itojun  *
     39  1.2   itojun  * Written by Ahmed Helmy, SGI, July 1996
     40  1.2   itojun  *
     41  1.2   itojun  * MULTICAST
     42  1.2   itojun  */
     43  1.2   itojun 
     44  1.2   itojun /*
     45  1.2   itojun  * PIM packet header
     46  1.2   itojun  */
     47  1.2   itojun #define PIM_VERSION	2
     48  1.2   itojun struct pim {
     49  1.2   itojun #if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
     50  1.2   itojun 	u_char	pim_type:4, /* the PIM message type, currently they are:
     51  1.2   itojun 			     * Hello, Register, Register-Stop, Join/Prune,
     52  1.2   itojun 			     * Bootstrap, Assert, Graft (PIM-DM only),
     53  1.2   itojun 			     * Graft-Ack (PIM-DM only), C-RP-Adv
     54  1.2   itojun 			     */
     55  1.2   itojun 		pim_ver:4;  /* PIM version number; 2 for PIMv2 */
     56  1.2   itojun #else
     57  1.2   itojun 	u_char	pim_ver:4,	/* PIM version */
     58  1.2   itojun 		pim_type:4;	/* PIM type    */
     59  1.2   itojun #endif
     60  1.2   itojun 	u_char  pim_rsv;	/* Reserved */
     61  1.2   itojun 	u_short	pim_cksum;	/* IP style check sum */
     62  1.2   itojun };
     63  1.2   itojun 
     64  1.2   itojun #define PIM_MINLEN	8		/* The header min. length is 8    */
     65  1.2   itojun #define PIM6_REG_MINLEN	(PIM_MINLEN+40)	/* Register message + inner IP6 header */
     66  1.2   itojun 
     67  1.4   itojun /*
     68  1.2   itojun  * Message types
     69  1.2   itojun  */
     70  1.2   itojun #define PIM_REGISTER	1	/* PIM Register type is 1 */
     71  1.2   itojun 
     72  1.2   itojun /* second bit in reg_head is the null bit */
     73  1.2   itojun #define PIM_NULL_REGISTER 0x40000000
     74  1.5     elad 
     75  1.5     elad #endif /* !_NETINET6_PIM6_H_ */
     76