1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1999 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* 28 * Copyright (c) 1996-1999 by the University of Southern California. 29 * All rights reserved. 30 * 31 * Permission to use, copy, modify, and distribute this software and 32 * its documentation in source and binary forms for lawful 33 * purposes and without fee is hereby granted, provided 34 * that the above copyright notice appear in all copies and that both 35 * the copyright notice and this permission notice appear in supporting 36 * documentation, and that any documentation, advertising materials, 37 * and other materials related to such distribution and use acknowledge 38 * that the software was developed by the University of Southern 39 * California and/or Information Sciences Institute. 40 * The name of the University of Southern California may not 41 * be used to endorse or promote products derived from this software 42 * without specific prior written permission. 43 * 44 * THE UNIVERSITY OF SOUTHERN CALIFORNIA DOES NOT MAKE ANY REPRESENTATIONS 45 * ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE. THIS SOFTWARE IS 46 * PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, 47 * INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 48 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND 49 * NON-INFRINGEMENT. 50 * 51 * IN NO EVENT SHALL USC, OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY 52 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER IN CONTRACT, 53 * TORT, OR OTHER FORM OF ACTION, ARISING OUT OF OR IN CONNECTION WITH, 54 * THE USE OR PERFORMANCE OF THIS SOFTWARE. 55 * 56 * Other copyrights might apply to parts of this software and are so 57 * noted when applicable. 58 */ 59 60 #ifndef _NETINET_PIM_H 61 #define _NETINET_PIM_H 62 63 #ifdef __cplusplus 64 extern "C" { 65 #endif 66 67 /* 68 * Protocol Independent Multicast (PIM) definitions 69 * 70 * Written by Ahmed Helmy, USC/SGI, July 1996 71 * Modified by George Edmond Eddy (Rusty), ISI, February 1998 72 * Modified by Pavlin Ivanov Radoslavov, USC/ISI, May 1998 73 * 74 * $Id: pim.h,v 1.3 1999/08/31 03:03:08 pavlin Exp $ 75 */ 76 77 /* 78 * PIM packet format. 79 */ 80 typedef struct pim { 81 #ifdef _BIT_FIELDS_LTOH 82 uint8_t pim_type:4, /* type of PIM message */ 83 pim_vers:4; /* PIM version */ 84 #else 85 uint8_t pim_vers:4, /* PIM version */ 86 pim_type:4; /* type of PIM message */ 87 #endif 88 uint8_t pim_reserved; /* Reserved */ 89 uint16_t pim_cksum; /* IP-style checksum */ 90 } pim_t; 91 92 #define PIM_VERSION 2 93 #define PIM_MINLEN 8 /* The header min. length is 8 */ 94 95 /* Register message + inner IPheader */ 96 #define PIM_REG_MINLEN (PIM_MINLEN + IP_SIMPLE_HDR_LENGTH) 97 98 /* 99 * From the PIM protocol spec (RFC 2362), the following PIM message types 100 * are defined. All of these, except PIM_REGISTER, are currently not defined 101 * in the USC/ISI distributed <netinet/pim.h> include file. So they are listed 102 * here commented out. 103 * 104 * #define PIM_HELLO 0x0 105 * #define PIM_REGISTER 0x1 106 * #define PIM_REGISTER_STOP 0x2 107 * #define PIM_JOIN_PRUNE 0x3 108 * #define PIM_BOOTSTRAP 0x4 109 * #define PIM_ASSERT 0x5 110 * #define PIM_GRAFT 0x6 111 * #define PIM_GRAFT_ACK 0x7 112 * #define PIM_CAND_RP_ADV 0x8 113 * 114 */ 115 #define PIM_REGISTER 0x1 /* PIM Register type is 1 */ 116 117 /* 118 * First bit in reg_head (right after PIM header) is the Border bit. 119 */ 120 #define PIM_BORDER_REGISTER 0x80000000 121 122 /* 123 * Second bit in reg_head (right after PIM header) is the Null-Register bit 124 */ 125 #define PIM_NULL_REGISTER 0x40000000 126 127 #ifdef __cplusplus 128 } 129 #endif 130 131 #endif /* _NETINET_PIM_H */ 132