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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [netinet6/] [pim6.h] - Rev 207
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/* $FreeBSD: src/sys/netinet6/pim6.h,v 1.2 2000/07/04 16:35:10 itojun Exp $ */ /* $KAME: pim6.h,v 1.3 2000/03/25 07:23:58 sumikawa Exp $ */ /* * Copyright (C) 1998 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Protocol Independent Multicast (PIM) definitions * * Written by Ahmed Helmy, SGI, July 1996 * * MULTICAST */ /* * PIM packet header */ #define PIM_VERSION 2 struct pim { #if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN) u_char pim_type:4, /* the PIM message type, currently they are: * Hello, Register, Register-Stop, Join/Prune, * Bootstrap, Assert, Graft (PIM-DM only), * Graft-Ack (PIM-DM only), C-RP-Adv */ pim_ver:4; /* PIM version number; 2 for PIMv2 */ #else u_char pim_ver:4, /* PIM version */ pim_type:4; /* PIM type */ #endif u_char pim_rsv; /* Reserved */ u_short pim_cksum; /* IP style check sum */ }; #define PIM_MINLEN 8 /* The header min. length is 8 */ #define PIM6_REG_MINLEN (PIM_MINLEN+40) /* Register message + inner IP6 header */ /* * Message types */ #define PIM_REGISTER 1 /* PIM Register type is 1 */ /* second bit in reg_head is the null bit */ #define PIM_NULL_REGISTER 0x40000000