tlv.h revision 1.1.12.3
1 /* $NetBSD: tlv.h,v 1.1.12.3 2014/08/20 00:05:09 tls Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Mihai Chelaru <kefren (at) NetBSD.org> 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _TLV_H_ 33 #define _TLV_H_ 34 35 /* TLV messages */ 36 #define TLV_FEC 0x0100 37 #define TLV_ADDRESS_LIST 0x0101 38 #define TLV_HOP_COUNT 0x0103 39 #define TLV_PATH_VECTOR 0x0104 40 #define TLV_GENERIC_LABEL 0x0200 41 #define TLV_ATM_LABEL 0x0201 42 #define TLV_FR_LABEL 0x0202 43 #define TLV_STATUS 0x0300 44 #define TLV_EXTENDED_STATUS 0x0301 45 #define TLV_RETURNED_PDU 0x0302 46 #define TLV_RETURNED_MESSAGE 0x0303 47 #define TLV_COMMON_HELLO 0x0400 48 #define TLV_IPV4_TRANSPORT 0x0401 49 #define TLV_CONFIGURATION_SEQ 0x0402 50 #define TLV_IPV6_TRANSPORT 0x0403 51 #define TLV_COMMON_SESSION 0x0500 52 #define TLV_ATM_SESSION 0x0501 53 #define TLV_FR_SESSION 0x0502 54 #define TLV_LABEL_REQUEST 0x0600 55 56 /* Some common lengths in order to avoid writing them every time */ 57 #define TLV_TYPE_LENGTH (sizeof(uint16_t) + sizeof(uint16_t)) 58 #define MSGID_SIZE (sizeof(uint32_t)) 59 60 /* General TLV structure */ 61 struct tlv { 62 uint16_t type; 63 uint16_t length; 64 uint32_t messageid; 65 } __packed; 66 67 /* Common Hello TLV structure */ 68 struct common_hello_tlv { 69 uint16_t type; 70 uint16_t length; 71 uint16_t holdtime; 72 union { 73 /* XXX: Endianness ?! */ 74 uint8_t tr:2; 75 uint16_t res; 76 }; 77 } __packed; 78 79 /* Hello TLV structure */ 80 struct hello_tlv { 81 uint16_t type; 82 uint16_t length; 83 uint32_t messageid; 84 struct common_hello_tlv ch; 85 /* XXX: optional parameters */ 86 } __packed; 87 88 /* Transport address TLV */ 89 struct transport_address_tlv { 90 uint16_t type; 91 uint16_t length; 92 union { 93 struct in_addr ip4addr; 94 struct in6_addr ip6addr; 95 } address; 96 } __packed; 97 98 99 #define CS_LEN (sizeof(struct init_tlv) - TLV_TYPE_LENGTH - MSGID_SIZE - \ 100 sizeof(uint32_t)) 101 102 /* Initialization TLV structure */ 103 struct init_tlv { 104 uint16_t type; 105 uint16_t length; 106 uint32_t messageid; 107 /* 108 * Common Session Parameters 109 */ 110 uint16_t cs_type; 111 uint16_t cs_len; 112 uint16_t cs_version; 113 uint16_t cs_keepalive; 114 uint16_t cs_adpvlim; /* XXX */ 115 uint16_t cs_maxpdulen; 116 struct in_addr cs_peeraddress; 117 uint16_t cs_peeraddrspace; 118 } __packed; 119 120 /* Keepalive TLV */ 121 struct ka_tlv { /* Keepalive message */ 122 uint16_t type; 123 uint16_t length; 124 uint32_t messageid; 125 } __packed; 126 127 /* Notification TLV */ 128 struct notification_tlv { 129 uint16_t type; 130 uint16_t length; 131 uint32_t messageid; 132 uint16_t status; 133 uint16_t st_len; 134 uint32_t st_code; 135 uint32_t msg_id; 136 uint32_t msg_type; 137 } __packed; 138 139 /* Address LIST TLV for SEND */ 140 struct address_list_tlv { 141 uint16_t type; 142 uint16_t length; 143 uint32_t messageid; 144 uint16_t a_type; 145 uint16_t a_length; 146 uint16_t a_af; 147 struct in_addr a_address; 148 } __packed; 149 150 /* Real AL TLV used for RCV for now */ 151 struct al_tlv { 152 uint16_t type; 153 uint16_t length; 154 uint16_t af; 155 struct in_addr address; 156 } __packed; 157 158 struct address_tlv { 159 uint16_t type; 160 uint16_t length; 161 uint32_t messageid; 162 } __packed; 163 164 /* Label map TLV */ 165 struct label_map_tlv { 166 uint16_t type; 167 uint16_t length; 168 uint32_t messageid; 169 } __packed; 170 171 /* FEC TLV */ 172 struct fec_tlv { 173 uint16_t type; 174 uint16_t length; 175 } __packed; 176 177 struct prefix_tlv { 178 uint8_t type; 179 uint16_t af; 180 uint8_t prelen; 181 struct in_addr prefix; 182 } __packed; 183 184 struct host_tlv { 185 uint8_t type; 186 uint16_t af; 187 uint8_t length; 188 struct in_addr address; 189 } __packed; 190 191 struct label_tlv { 192 uint16_t type; 193 uint16_t length; 194 uint32_t label; 195 } __packed; 196 197 /* Label Request Message ID TLV */ 198 struct label_request_tlv { 199 uint16_t type; 200 uint16_t length; /* 4 */ 201 uint32_t messageid; 202 } __packed; 203 204 struct hello_tlv * get_hello_tlv(unsigned char *, uint); 205 void debug_tlv(struct tlv *); 206 207 #endif /* !_TLV_H_ */ 208
Indexes created Sat Oct 25 10:09:55 GMT 2025