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