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| Source at commit 296 created 12 years 10 months ago. By ifabio, add i386 folder | |
|---|---|
| 1 | /*␉$FreeBSD: src/sys/netinet6/pim6.h,v 1.1.2.1 2000/07/15 07:14:36 kris Exp $␉*/␊ |
| 2 | /*␉$KAME: pim6.h,v 1.3 2000/03/25 07:23:58 sumikawa Exp $␉*/␊ |
| 3 | ␊ |
| 4 | /*␊ |
| 5 | * Copyright (C) 1998 WIDE Project.␊ |
| 6 | * All rights reserved.␊ |
| 7 | *␊ |
| 8 | * Redistribution and use in source and binary forms, with or without␊ |
| 9 | * modification, are permitted provided that the following conditions␊ |
| 10 | * are met:␊ |
| 11 | * 1. Redistributions of source code must retain the above copyright␊ |
| 12 | * notice, this list of conditions and the following disclaimer.␊ |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
| 14 | * notice, this list of conditions and the following disclaimer in the␊ |
| 15 | * documentation and/or other materials provided with the distribution.␊ |
| 16 | * 3. Neither the name of the project nor the names of its contributors␊ |
| 17 | * may be used to endorse or promote products derived from this software␊ |
| 18 | * without specific prior written permission.␊ |
| 19 | *␊ |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND␊ |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE␊ |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
| 30 | * SUCH DAMAGE.␊ |
| 31 | */␊ |
| 32 | /*␊ |
| 33 | * Protocol Independent Multicast (PIM) definitions␊ |
| 34 | *␊ |
| 35 | * Written by Ahmed Helmy, SGI, July 1996␊ |
| 36 | *␊ |
| 37 | * MULTICAST␊ |
| 38 | */␊ |
| 39 | #include <sys/appleapiopts.h>␊ |
| 40 | ␊ |
| 41 | /*␊ |
| 42 | * PIM packet header␊ |
| 43 | */␊ |
| 44 | #define PIM_VERSION␉2␊ |
| 45 | struct pim {␊ |
| 46 | #if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)␊ |
| 47 | ␉u_char␉pim_type:4, /* the PIM message type, currently they are:␊ |
| 48 | ␉␉␉ * Hello, Register, Register-Stop, Join/Prune,␊ |
| 49 | ␉␉␉ * Bootstrap, Assert, Graft (PIM-DM only),␊ |
| 50 | ␉␉␉ * Graft-Ack (PIM-DM only), C-RP-Adv␊ |
| 51 | ␉␉␉ */␊ |
| 52 | ␉␉pim_ver:4; /* PIM version number; 2 for PIMv2 */␊ |
| 53 | #else␊ |
| 54 | ␉u_char␉pim_ver:4,␉/* PIM version */␊ |
| 55 | ␉␉pim_type:4;␉/* PIM type */␊ |
| 56 | #endif␊ |
| 57 | ␉u_char pim_rsv;␉/* Reserved */␊ |
| 58 | ␉u_short␉pim_cksum;␉/* IP style check sum */␊ |
| 59 | };␊ |
| 60 | ␊ |
| 61 | #define PIM_MINLEN␉8␉␉/* The header min. length is 8 */␊ |
| 62 | #define PIM6_REG_MINLEN␉(PIM_MINLEN+40)␉/* Register message + inner IP6 header */␊ |
| 63 | ␊ |
| 64 | /*␊ |
| 65 | * Message types␊ |
| 66 | */␊ |
| 67 | #define PIM_REGISTER␉1␉/* PIM Register type is 1 */␊ |
| 68 | ␊ |
| 69 | /* second bit in reg_head is the null bit */␊ |
| 70 | #define PIM_NULL_REGISTER 0x40000000␊ |
| 71 | |
