Harald Welte | 9a8f503 | 2017-07-25 08:23:52 +0200 | [diff] [blame^] | 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // // |
| 3 | // Copyright Test Competence Center(TCC) ETH 2003 // |
| 4 | // // |
| 5 | // The copyright to the computer program(s) herein is the property of TCC. // |
| 6 | // The program(s) may be used and/or copied only with the written permission // |
| 7 | // of TCC or in accordance with the terms and conditions stipulated in the // |
| 8 | // agreement/contract under which the program(s) has been supplied. // |
| 9 | // // |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | // |
| 12 | // File: ROHC_Types.ttcn |
| 13 | // Description: ROHC |
| 14 | // Rev: R3A01 |
| 15 | // Prodnr: CNL 113 426 |
| 16 | // Updated: 2006.04.13 |
| 17 | // Contact: http://ttcn.ericsson.se |
| 18 | // |
| 19 | |
| 20 | /* Based on RFC 3095, July 2001 */ |
| 21 | |
| 22 | /* TODO: improvements:: |
| 23 | - Profile4_Dynamic_Chain_u should not contain the sn field |
| 24 | |
| 25 | ethesi */ |
| 26 | |
| 27 | module ROHC_Types |
| 28 | { |
| 29 | import from General_Types all; |
| 30 | |
| 31 | external function f_ROHC_enc(in ROHC_packet_u pdu, in ROHC_config p_config) |
| 32 | return octetstring; |
| 33 | external function f_ROHC_dec(in octetstring data, inout ROHC_config p_config) |
| 34 | return ROHC_packet_u; |
| 35 | external function f_ROHC_CRC(in octetstring data, in integer crclen) |
| 36 | return integer; |
| 37 | external function f_FBCK_enc(in Feedback_data pdu, in ROHC_config p_config) |
| 38 | return octetstring; |
| 39 | external function f_FBCK_dec(in octetstring data, in ROHC_config p_config) |
| 40 | return Feedback_data; |
| 41 | |
| 42 | /* Constants for ROHC mode field values including mode cancellation */ |
| 43 | const integer cg_ROHC_mode_C := 0; |
| 44 | const integer cg_ROHC_mode_U := 1; |
| 45 | const integer cg_ROHC_mode_O := 2; |
| 46 | const integer cg_ROHC_mode_R := 3; |
| 47 | |
| 48 | /* Constants for ROHC feedback type */ |
| 49 | const integer cg_ROHC_fbck_type_ACK := 0; |
| 50 | const integer cg_ROHC_fbck_type_NACK := 1; |
| 51 | const integer cg_ROHC_fbck_type_SNACK := 2; |
| 52 | const integer cg_ROHC_fbck_type_reserved := 3; |
| 53 | |
| 54 | type bitstring ROHC_BIT7_BO_LAST length (7) with {variant "BYTEORDER(last)"}; |
| 55 | |
| 56 | type enumerated Packet_type { R_0(0), R_0_CRC(1), UO_0(2), R_1(3), R_1_ID(4), |
| 57 | R_1_TS(5), UO_1(6), UO_1_ID(7), UO_1_TS(8), UOR_2(9), UOR_2_ID(10), |
| 58 | UOR_2_TS(11), IR(12), IR_DYN(13), NOPKT(14) }; |
| 59 | |
| 60 | /* ==================== ROHC configuration and context ==================== */ |
| 61 | |
| 62 | type record IP_context { |
| 63 | /* Version of this IP level. MSB bit may be set (Profile 4 only). */ |
| 64 | integer version, |
| 65 | /* RND bit of this IP level (RND or RND2) */ |
| 66 | boolean rnd_bit, |
| 67 | /* Whether AH is present in the IPX index list */ |
| 68 | boolean ah_present, |
| 69 | /* Whether GRE is present in the IPX index list */ |
| 70 | boolean gre_present, |
| 71 | /* Whether ESP is present in the IPX index list */ |
| 72 | boolean esp_present, |
| 73 | /* Length of the compressed AH data field after the base header */ |
| 74 | integer ah_data_len, |
| 75 | /* Whether GRE header has GRE checksum or not */ |
| 76 | boolean gre_cksum_present |
| 77 | }; |
| 78 | |
| 79 | type record UDP_context { |
| 80 | boolean udp_cksum |
| 81 | }; |
| 82 | |
| 83 | type record of IP_context IP_contexts; |
| 84 | |
| 85 | type record ROHC_context { |
| 86 | integer mode, |
| 87 | integer profile, |
| 88 | /* The decoded packet type */ |
| 89 | Packet_type pkt, |
| 90 | IP_contexts ip_ctx, |
| 91 | UDP_context udp_ctx |
| 92 | }; |
| 93 | |
| 94 | type record of integer int_array; |
| 95 | |
| 96 | type record of ROHC_context ROHC_context_rof; |
| 97 | |
| 98 | type record ROHC_config { |
| 99 | boolean large_cid, |
| 100 | int_array rtp_ports, |
| 101 | ROHC_context_rof context |
| 102 | }; |
| 103 | |
| 104 | type port ROHC_ASP_SP_PT message |
| 105 | { |
| 106 | inout ROHC_packet_u; |
| 107 | inout octetstring; |
| 108 | } with { extension "internal" } |
| 109 | |
| 110 | |
| 111 | /* ROHC Configuration port */ |
| 112 | type record ROHC_ROHCCFG_REQ_setconfig |
| 113 | { |
| 114 | ROHC_config config |
| 115 | } |
| 116 | |
| 117 | type enumerated ROHC_ROHCCFG_REQ_operation { rohccfg_getconfig } |
| 118 | |
| 119 | type union ROHC_ROHCCFG_REQ |
| 120 | { |
| 121 | ROHC_ROHCCFG_REQ_operation simpleop, |
| 122 | ROHC_ROHCCFG_REQ_setconfig setconfig |
| 123 | } |
| 124 | |
| 125 | type enumerated ROHC_ROHCCFG_RSP_operation { rohccfg_ok } |
| 126 | |
| 127 | type record ROHC_ROHCCFG_RSP_config |
| 128 | { |
| 129 | ROHC_config config |
| 130 | } |
| 131 | |
| 132 | type union ROHC_ROHCCFG_RSP |
| 133 | { |
| 134 | ROHC_ROHCCFG_RSP_operation simpleop, |
| 135 | ROHC_ROHCCFG_RSP_config config |
| 136 | } |
| 137 | |
| 138 | type port ROHC_PORTCFG_PT message |
| 139 | { |
| 140 | inout ROHC_config; |
| 141 | inout charstring; |
| 142 | inout ROHC_ROHCCFG_REQ; |
| 143 | inout ROHC_ROHCCFG_RSP; |
| 144 | } with { extension "internal" } |
| 145 | |
| 146 | type union ROHC_packet_u |
| 147 | { |
| 148 | ROHC_packet rohc, |
| 149 | Segment_packet segment |
| 150 | } |
| 151 | |
| 152 | type record ROHC_packet /* p.42 */ |
| 153 | { |
| 154 | Padding padding optional, |
| 155 | Feedback feedback optional, |
| 156 | Header header, |
| 157 | Payload payload optional |
| 158 | }; |
| 159 | |
| 160 | /* TODO CHECK: why this is needed ? |
| 161 | type record Reconstructed_unit |
| 162 | { |
| 163 | octetstring reconstructed_packet, |
| 164 | OCT4 CRC |
| 165 | }; */ |
| 166 | |
| 167 | type record Segment_packet /* p.50 */ |
| 168 | { |
| 169 | Padding padding optional, |
| 170 | Feedback feedback optional, |
| 171 | INT7b segment_header_id, /* Must be 127 (0x7F) */ |
| 172 | boolean final, |
| 173 | Payload payload optional, |
| 174 | integer crc optional |
| 175 | }; |
| 176 | |
| 177 | type octetstring Padding; /* Must be a serie of 0xE0 */ |
| 178 | type octetstring Payload; |
| 179 | |
| 180 | type OCT1n Feedback1; /* p.91 */ |
| 181 | |
| 182 | type record Feedback_opts_u /* p.91 */ |
| 183 | { |
| 184 | INT4b opt_type, |
| 185 | INT4b opt_len, |
| 186 | octetstring opt_data optional |
| 187 | }; |
| 188 | |
| 189 | type record of Feedback_opts_u Feedback_opts; /* p.91 */ |
| 190 | |
| 191 | type record Feedback2 /* p.91 */ |
| 192 | { |
| 193 | INT2b acktype, |
| 194 | INT2b mode, |
| 195 | INT12b_BO_LAST sn, |
| 196 | Feedback_opts feedback_opts optional |
| 197 | }; |
| 198 | |
| 199 | type union Feedback_type /* p.46 */ |
| 200 | { |
| 201 | Feedback1 feedback1, |
| 202 | Feedback2 feedback2 |
| 203 | }; |
| 204 | |
| 205 | type record Feedback_data /* p.46 */ |
| 206 | { |
| 207 | INT14b_BO_LAST cid, |
| 208 | Feedback_type feedback_type |
| 209 | }; |
| 210 | |
| 211 | type record Feedback_u /* p.45 */ |
| 212 | { |
| 213 | BIT5 feedback_type, /* Must be '11110'B */ |
| 214 | INT3b code, |
| 215 | LIN1 size optional, |
| 216 | /* TODO: size could be 0, so feedback_data should be optional; |
| 217 | although it's a weird case, but still possible */ |
| 218 | Feedback_data feedback_data |
| 219 | }; |
| 220 | |
| 221 | type record of Feedback_u Feedback; /* p.42 */ |
| 222 | |
| 223 | type union Header /* p.77 */ |
| 224 | { |
| 225 | Profile0_headers prof0, |
| 226 | Profile1_headers prof1, |
| 227 | Profile2_headers prof2, |
| 228 | Profile4_headers prof4 |
| 229 | }; |
| 230 | |
| 231 | //Profile0 |
| 232 | |
| 233 | type union Profile0_headers |
| 234 | { |
| 235 | Profile0_IR_packet ir, |
| 236 | Profile0_normal_packet normal |
| 237 | }; |
| 238 | |
| 239 | type record Profile0_IR_packet /* p.127 */ |
| 240 | { |
| 241 | INT14b_BO_LAST cid, |
| 242 | BIT7 type_ind, /* Must be '1111110'B */ |
| 243 | BIT1 d, /* Must be 0 */ |
| 244 | LIN1 profile, /* Must be 0 */ |
| 245 | LIN1 crc, |
| 246 | octetstring orig_packet |
| 247 | }; |
| 248 | |
| 249 | type record Profile0_normal_packet /* p.128 */ |
| 250 | { |
| 251 | INT14b_BO_LAST cid, |
| 252 | octetstring orig_packet |
| 253 | }; |
| 254 | |
| 255 | //Profile1 |
| 256 | |
| 257 | type record Profile1_headers /* p.77 */ |
| 258 | { |
| 259 | Profile1_base_header base_header, |
| 260 | Profile1_Extension ext optional, |
| 261 | LIN2_BO_LAST ip_id_outer optional, |
| 262 | octetstring ah_outer optional, |
| 263 | LIN2_BO_LAST gre_cksum1 optional, |
| 264 | LIN2_BO_LAST ip_id_inner optional, |
| 265 | octetstring ah_inner optional, |
| 266 | LIN2_BO_LAST gre_cksum2 optional, |
| 267 | LIN2_BO_LAST udp_cksum optional |
| 268 | }; |
| 269 | |
| 270 | type union Profile1_base_header |
| 271 | { |
| 272 | Profile1_IR_header ir, |
| 273 | Profile1_IR_DYN_header ir_dyn, |
| 274 | Profile1_R_0_header r_0, |
| 275 | Profile1_R_0_CRC_header r_0_crc, |
| 276 | Profile1_UO_0_header uo_0, |
| 277 | Profile1_R_1_header r_1, |
| 278 | Profile1_R_1_ID_header r_1_id, |
| 279 | Profile1_R_1_TS_header r_1_ts, |
| 280 | Profile1_UO_1_header uo_1, |
| 281 | Profile1_UO_1_ID_header uo_1_id, |
| 282 | Profile1_UO_1_TS_header uo_1_ts, |
| 283 | Profile1_UOR_2_header uor_2, |
| 284 | Profile1_UOR_2_ID_header uor_2_id, |
| 285 | Profile1_UOR_2_TS_header uor_2_ts |
| 286 | }; |
| 287 | |
| 288 | type union Static_Chain_u /* p.91 */ |
| 289 | { |
| 290 | IPv4_Static ipv4_stat, |
| 291 | IPv6_Static ipv6_stat, |
| 292 | UDP_Static udp_stat, |
| 293 | RTP_Static rtp_stat, |
| 294 | ESP_Static esp_stat |
| 295 | }; |
| 296 | |
| 297 | type union Dynamic_Chain_u /* p.91 */ |
| 298 | { |
| 299 | IPv4_Dynamic ipv4_dyn, |
| 300 | IPv6_Dynamic ipv6_dyn, |
| 301 | UDP_Dynamic udp_dyn, |
| 302 | RTP_Dynamic rtp_dyn, |
| 303 | ESP_Dynamic esp_dyn |
| 304 | }; |
| 305 | |
| 306 | type record of Static_Chain_u Static_Chain; /* p.91 */ |
| 307 | |
| 308 | type record of Dynamic_Chain_u Dynamic_Chain; /* p.91 */ |
| 309 | |
| 310 | type record Profile1_IR_header /* p.45 */ /* p.91 */ |
| 311 | { |
| 312 | INT14b_BO_LAST cid, |
| 313 | BIT7 type_ind, /* Must be '1111110'B */ |
| 314 | BIT1 d, |
| 315 | LIN1 profile, /* Must be 1 */ |
| 316 | LIN1 crc, |
| 317 | Static_Chain stat_chain, |
| 318 | Dynamic_Chain dyn_chain optional |
| 319 | }; |
| 320 | |
| 321 | type record Profile1_IR_DYN_header /* p.46 */ /* p.92 */ |
| 322 | { |
| 323 | INT14b_BO_LAST cid, |
| 324 | BIT8 type_ind, /* Must be '11111000'B */ |
| 325 | LIN1 profile, /* Must be 1 */ |
| 326 | LIN1 crc, |
| 327 | Dynamic_Chain dyn_chain |
| 328 | }; |
| 329 | |
| 330 | type record Profile1_R_0_header /* p.74 */ |
| 331 | { |
| 332 | INT14b_BO_LAST cid, |
| 333 | BIT2 type_ind, /* Must be '00'B */ |
| 334 | INT6b sn |
| 335 | }; |
| 336 | |
| 337 | type record Profile1_R_0_CRC_header /* p.74 */ |
| 338 | { |
| 339 | INT14b_BO_LAST cid, |
| 340 | BIT2 type_ind, /* Must be '01'B */ |
| 341 | INT7b sn, |
| 342 | INT7b crc |
| 343 | }; |
| 344 | |
| 345 | type record Profile1_UO_0_header /* p.75 */ |
| 346 | { |
| 347 | INT14b_BO_LAST cid, |
| 348 | BIT1 type_ind, /* Must be '0'B */ |
| 349 | INT4b sn, |
| 350 | INT3b crc |
| 351 | }; |
| 352 | |
| 353 | type record Profile1_R_1_header /* p.75 */ |
| 354 | { |
| 355 | INT14b_BO_LAST cid, |
| 356 | BIT2 type_ind, /* Must be '10'B */ |
| 357 | INT6b sn, |
| 358 | BIT1 m_bit, |
| 359 | BIT1 x_bit, |
| 360 | INT6b ts |
| 361 | }; |
| 362 | |
| 363 | type record Profile1_R_1_ID_header /* p.75 */ |
| 364 | { |
| 365 | INT14b_BO_LAST cid, |
| 366 | BIT2 type_ind, /* Must be '10'B */ |
| 367 | INT6b sn, |
| 368 | BIT1 m_bit, |
| 369 | BIT1 x_bit, |
| 370 | BIT1 t_bit, /* Must be '0'B */ |
| 371 | INT5b ip_id |
| 372 | }; |
| 373 | |
| 374 | type record Profile1_R_1_TS_header /* p.75 */ |
| 375 | { |
| 376 | INT14b_BO_LAST cid, |
| 377 | BIT2 type_ind, /* Must be '10'B */ |
| 378 | INT6b sn, |
| 379 | BIT1 m_bit, |
| 380 | BIT1 x_bit, |
| 381 | BIT1 t_bit, /* Must be '1'B */ |
| 382 | INT5b ts |
| 383 | }; |
| 384 | |
| 385 | type record Profile1_UO_1_header /* p.76 */ |
| 386 | { |
| 387 | INT14b_BO_LAST cid, |
| 388 | BIT2 type_ind, /* Must be '10'B */ |
| 389 | INT6b ts, |
| 390 | BIT1 m_bit, |
| 391 | INT4b sn, |
| 392 | INT3b crc |
| 393 | }; |
| 394 | |
| 395 | type record Profile1_UO_1_ID_header /* p.76 */ |
| 396 | { |
| 397 | INT14b_BO_LAST cid, |
| 398 | BIT2 type_ind, /* Must be '10'B */ |
| 399 | BIT1 t_bit, /* Must be '0'B */ |
| 400 | INT5b ip_id, |
| 401 | BIT1 x_bit, |
| 402 | INT4b sn, |
| 403 | INT3b crc |
| 404 | }; |
| 405 | |
| 406 | type record Profile1_UO_1_TS_header /* p.76 */ |
| 407 | { |
| 408 | INT14b_BO_LAST cid, |
| 409 | BIT2 type_ind, /* Must be '10'B */ |
| 410 | BIT1 t_bit, /* Must be '1'B */ |
| 411 | INT5b ts, |
| 412 | BIT1 m_bit, |
| 413 | INT4b sn, |
| 414 | INT3b crc |
| 415 | }; |
| 416 | |
| 417 | type record Profile1_UOR_2_header /* p.77 */ |
| 418 | { |
| 419 | INT14b_BO_LAST cid, |
| 420 | BIT3 type_ind, /* Must be '110'B */ |
| 421 | INT6b ts, |
| 422 | BIT1 m_bit, |
| 423 | INT6b sn, |
| 424 | BIT1 x_bit, |
| 425 | INT7b crc |
| 426 | }; |
| 427 | |
| 428 | type record Profile1_UOR_2_ID_header /* p.77 */ |
| 429 | { |
| 430 | INT14b_BO_LAST cid, |
| 431 | BIT3 type_ind, /* Must be '110'B */ |
| 432 | INT5b ip_id, |
| 433 | BIT1 t_bit, /* Must be '0'B */ |
| 434 | BIT1 m_bit, |
| 435 | INT6b sn, |
| 436 | BIT1 x_bit, |
| 437 | INT7b crc |
| 438 | }; |
| 439 | |
| 440 | type record Profile1_UOR_2_TS_header /* p.77 */ |
| 441 | { |
| 442 | INT14b_BO_LAST cid, |
| 443 | BIT3 type_ind, /* Must be '110'B */ |
| 444 | INT5b ts, |
| 445 | BIT1 t_bit, /* Must be '1'B */ |
| 446 | BIT1 m_bit, |
| 447 | INT6b sn, |
| 448 | BIT1 x_bit, |
| 449 | INT7b crc |
| 450 | }; |
| 451 | |
| 452 | type record Short_Seqnum /* p.120 */ |
| 453 | { |
| 454 | BIT1 ind, /* Must be '0'B */ |
| 455 | INT7b lsb_of_seqnum |
| 456 | }; |
| 457 | |
| 458 | type record Long_Seqnum /* p.120 */ |
| 459 | { |
| 460 | BIT1 ind, /* Must be '1'B */ |
| 461 | INT31b_BO_LAST lsb_of_seqnum |
| 462 | }; |
| 463 | |
| 464 | type union AEGSeqnum /* p.112 */ |
| 465 | { |
| 466 | Short_Seqnum short_form, |
| 467 | Long_Seqnum long_form |
| 468 | }; |
| 469 | |
| 470 | type record XI_Item4_r /* p.121 */ |
| 471 | { |
| 472 | BIT1 x_ind, |
| 473 | INT3b index |
| 474 | }; |
| 475 | |
| 476 | type record XI_Item8_r /* p.121 */ |
| 477 | { |
| 478 | BIT1 x_ind, |
| 479 | INT7b index |
| 480 | }; |
| 481 | |
| 482 | type record of XI_Item4_r XI_Item4; |
| 483 | |
| 484 | type record of XI_Item8_r XI_Item8; |
| 485 | |
| 486 | type union XI_list /* p.113 */ |
| 487 | { |
| 488 | XI_Item4 xi_item4, |
| 489 | XI_Item8 xi_item8 |
| 490 | }; |
| 491 | |
| 492 | type record IPv6_ext_item |
| 493 | { |
| 494 | LIN1 nexthead, |
| 495 | LIN1 hdr_ext_len, |
| 496 | octetstring data |
| 497 | } |
| 498 | |
| 499 | type record MINE_item { |
| 500 | LIN1 protocol, |
| 501 | BIT1 s_bit, |
| 502 | ROHC_BIT7_BO_LAST reserved, |
| 503 | LIN2_BO_LAST cksum, |
| 504 | OCT4 dstaddr, |
| 505 | OCT4 srcaddr optional |
| 506 | } with { |
| 507 | variant "FIELDORDER(msb)"; |
| 508 | variant (srcaddr) "PRESENCE(s_bit = '1'B)"; |
| 509 | } |
| 510 | |
| 511 | /* TODO: check why better use INTn intead of OCTn */ |
| 512 | type record AH_item /* RFC 2402, p.3 */ |
| 513 | { |
| 514 | LIN1 nexthead, /* Must be 51 */ |
| 515 | LIN1 payload_len, |
| 516 | LIN2_BO_LAST reserved, /* Must be 0 */ |
| 517 | LIN4_BO_LAST spi, |
| 518 | LIN4_BO_LAST sn, |
| 519 | octetstring auth_data optional |
| 520 | } |
| 521 | |
| 522 | type record ESP_item |
| 523 | { |
| 524 | LIN1 nexthead, /* Must be 50 */ |
| 525 | LIN4_BO_LAST spi, |
| 526 | LIN4_BO_LAST sn |
| 527 | } |
| 528 | |
| 529 | type record GRE_item |
| 530 | { |
| 531 | LIN1 nexthead, /* Must be 47 */ |
| 532 | BIT1 C_bit, |
| 533 | BIT1 reserved_1, /* Must be '0'B */ |
| 534 | BIT1 K_bit, |
| 535 | BIT1 S_bit, |
| 536 | BIT1 reserved_2, /* Must be '0'B */ |
| 537 | BIT3 version, |
| 538 | LIN2_BO_LAST cksum optional, |
| 539 | LIN4_BO_LAST key optional, |
| 540 | LIN4_BO_LAST sn optional |
| 541 | } |
| 542 | |
| 543 | type union Item |
| 544 | { |
| 545 | IPv6_ext_item ipv6_ext_item, |
| 546 | AH_item ah_item, |
| 547 | ESP_item esp_item, |
| 548 | GRE_item gre_item, |
| 549 | MINE_item mine_item |
| 550 | /* TODO CHECK: could we use it ? |
| 551 | octetstring any_item */ |
| 552 | } |
| 553 | |
| 554 | type record of Item IP_Item_list; |
| 555 | |
| 556 | type record of OCT4n CSRC_Item_list; |
| 557 | |
| 558 | /* TODO: temporary solution for profile4 tests */ |
| 559 | type record of octetstring RAW_data; |
| 560 | |
| 561 | type union Item_list |
| 562 | { |
| 563 | CSRC_Item_list csrc_item_list, |
| 564 | IP_Item_list ip_item_list, |
| 565 | /* TODO: temporary solution for profile4 tests */ |
| 566 | RAW_data raw_data |
| 567 | } |
| 568 | |
| 569 | type record Enc_Type_0 /* p.112 */ |
| 570 | { |
| 571 | BIT2 et, /* Must be '00'B */ |
| 572 | BIT1 gp_bit, |
| 573 | BIT1 ps_bit, |
| 574 | INT4b cc, |
| 575 | LIN1 gen_id optional, |
| 576 | XI_list xi_list optional, |
| 577 | BIT4 padding optional, /* Must be '0000'B */ |
| 578 | Item_list item_list optional |
| 579 | }; |
| 580 | |
| 581 | type record Enc_Type_1 /* p.114 */ |
| 582 | { |
| 583 | BIT2 et, /* Must be '01'B */ |
| 584 | BIT1 gp_bit, |
| 585 | BIT1 ps_bit, |
| 586 | INT4b xi1, |
| 587 | LIN1 gen_id optional, |
| 588 | LIN1 ref_id, |
| 589 | octetstring insbitmask, |
| 590 | XI_list xi_list optional, |
| 591 | BIT4 padding optional, /* Must be '0000'B */ |
| 592 | Item_list item_list optional |
| 593 | }; |
| 594 | |
| 595 | type record Enc_Type_2 /* p.115 */ |
| 596 | { |
| 597 | BIT2 et, /* Must be '10'B */ |
| 598 | BIT1 gp_bit, |
| 599 | BIT1 res, |
| 600 | INT4b count, |
| 601 | LIN1 gen_id optional, |
| 602 | LIN1 ref_id, |
| 603 | octetstring rembitmask |
| 604 | }; |
| 605 | |
| 606 | type record Enc_Type_3 /* p.115 */ |
| 607 | { |
| 608 | BIT2 et, /* Must be '11'B */ |
| 609 | BIT1 gp_bit, |
| 610 | BIT1 ps_bit, |
| 611 | INT4b xi1, |
| 612 | LIN1 gen_id optional, |
| 613 | LIN1 ref_id, |
| 614 | octetstring rembitmask, |
| 615 | octetstring insbitmask, |
| 616 | XI_list xi_list optional, |
| 617 | BIT4 padding optional, /* Must be '0000'B */ |
| 618 | Item_list item_list optional |
| 619 | }; |
| 620 | |
| 621 | type record IPv4_Static /* p.94 */ |
| 622 | { |
| 623 | INT4b version, /* Must be '0100'B */ |
| 624 | INT4b reserved, /* Must be '0000'B */ |
| 625 | LIN1 proto, |
| 626 | OCT4 srcaddr, |
| 627 | OCT4 dstaddr |
| 628 | }; |
| 629 | |
| 630 | type record IPv4_Dynamic /* p.94 */ |
| 631 | { |
| 632 | LIN1 tos, |
| 633 | LIN1 ttl, |
| 634 | LIN2_BO_LAST identification, |
| 635 | BIT1 df_bit, |
| 636 | BIT1 rnd_bit, |
| 637 | BIT1 nbo_bit, |
| 638 | BIT5 reserved, /* Must be '00000'B */ |
| 639 | Enc_Type_0 genextheadlist |
| 640 | }; |
| 641 | |
| 642 | type record IPv6_Static /* p.93 */ |
| 643 | { |
| 644 | INT4b version, /* Must be '0110'B */ |
| 645 | INT20b_BO_LAST flowlabel, |
| 646 | LIN1 nexthead, |
| 647 | OCT16 srcaddr, |
| 648 | OCT16 dstaddr |
| 649 | }; |
| 650 | |
| 651 | type record IPv6_Dynamic /* p.93 */ |
| 652 | { |
| 653 | LIN1 trafficclass, |
| 654 | LIN1 hoplimit, |
| 655 | Enc_Type_0 genextheadlist |
| 656 | }; |
| 657 | |
| 658 | type record UDP_Static /* p.95 */ |
| 659 | { |
| 660 | LIN2_BO_LAST srcport, |
| 661 | LIN2_BO_LAST dstport |
| 662 | }; |
| 663 | |
| 664 | type record UDP_Dynamic /* p.95 */ |
| 665 | { |
| 666 | LIN2_BO_LAST cksum |
| 667 | }; |
| 668 | |
| 669 | type record RTP_Static /* p.96 */ |
| 670 | { |
| 671 | OCT4 ssrc |
| 672 | }; |
| 673 | |
| 674 | type record Rx_Field /* p.96 */ |
| 675 | { |
| 676 | BIT3 reserved, /* Must be '000'B */ |
| 677 | BIT1 xbit, |
| 678 | INT2b mode, |
| 679 | BIT1 tisbit, |
| 680 | BIT1 tssbit |
| 681 | }; |
| 682 | |
| 683 | type record RTP_Dynamic /* p.96 */ |
| 684 | { |
| 685 | INT2b vfield, /* Must be '10'B */ |
| 686 | BIT1 pbit, |
| 687 | BIT1 rxbit, |
| 688 | INT4b ccfield, |
| 689 | BIT1 mbit, |
| 690 | INT7b ptfield, |
| 691 | LIN2_BO_LAST rtpseqnum, |
| 692 | LIN4_BO_LAST rtpts, |
| 693 | Enc_Type_0 gencsrclist, |
| 694 | Rx_Field rx_field optional, |
| 695 | integer ts_stride optional, |
| 696 | integer time_stride optional |
| 697 | }; |
| 698 | |
| 699 | type record ESP_Static /* p.97 */ |
| 700 | { |
| 701 | LIN4_BO_LAST spi |
| 702 | }; |
| 703 | |
| 704 | type record ESP_Dynamic /* p.97 */ |
| 705 | { |
| 706 | LIN4_BO_LAST seqnum |
| 707 | }; |
| 708 | |
| 709 | type union Compr_head_list /* p.112 */ |
| 710 | { |
| 711 | Enc_Type_0 enctype0, |
| 712 | Enc_Type_1 enctype1, |
| 713 | Enc_Type_2 enctype2, |
| 714 | Enc_Type_3 enctype3 |
| 715 | }; |
| 716 | |
| 717 | type record IP_Ext_heads /* p.111 */ |
| 718 | { |
| 719 | BIT1 cl, |
| 720 | BIT1 aseq, |
| 721 | BIT1 eseq, |
| 722 | BIT1 gseq, |
| 723 | BIT4 res, |
| 724 | AEGSeqnum ah_seq optional, |
| 725 | AEGSeqnum esp_seq optional, |
| 726 | AEGSeqnum gre_seq optional, |
| 727 | Compr_head_list compr_head_list optional |
| 728 | }; |
| 729 | |
| 730 | type record Outer_IP_fields /* p.82 */ |
| 731 | { |
| 732 | LIN1 tos optional, |
| 733 | LIN1 ttl optional, |
| 734 | LIN1 proto optional, |
| 735 | IP_Ext_heads ext_heads optional, |
| 736 | LIN2_BO_LAST ip_id optional |
| 737 | }; |
| 738 | |
| 739 | type record Outer_IP_flags /* p.81 */ |
| 740 | { |
| 741 | BIT1 tos2, |
| 742 | BIT1 ttl2, |
| 743 | BIT1 df2, |
| 744 | BIT1 pr2, |
| 745 | BIT1 ipx2, |
| 746 | BIT1 nbo2, |
| 747 | BIT1 rnd2, |
| 748 | BIT1 i2_bit |
| 749 | }; |
| 750 | |
| 751 | type record Inner_IP_fields /* p.81 */ |
| 752 | { |
| 753 | LIN1 tos optional, |
| 754 | LIN1 ttl optional, |
| 755 | LIN1 proto optional, |
| 756 | IP_Ext_heads ext_heads optional |
| 757 | }; |
| 758 | |
| 759 | type record Inner_IP_flags /* p.80 */ |
| 760 | { |
| 761 | BIT1 tos, |
| 762 | BIT1 ttl, |
| 763 | BIT1 df, |
| 764 | BIT1 pr, |
| 765 | BIT1 ipx, |
| 766 | BIT1 nbo, |
| 767 | BIT1 rnd_bit, |
| 768 | BIT1 ip2_bit |
| 769 | }; |
| 770 | |
| 771 | type record RTP_flags |
| 772 | { |
| 773 | BIT1 r_p, |
| 774 | INT7b rtp_pt |
| 775 | } |
| 776 | |
| 777 | type record RTP_flags_fields /* p.82 */ |
| 778 | { |
| 779 | INT2b mode, |
| 780 | BIT1 r_pt, |
| 781 | BIT1 m_bit, |
| 782 | BIT1 r_x, |
| 783 | BIT1 csrc, |
| 784 | BIT1 tss, |
| 785 | BIT1 tis, |
| 786 | RTP_flags flags optional, |
| 787 | Compr_head_list csrc_list optional, |
| 788 | integer ts_stride optional, |
| 789 | integer time_stride optional |
| 790 | } |
| 791 | |
| 792 | type record Extension0 /* p.79 */ |
| 793 | { |
| 794 | BIT2 ext_type, /* Must be '00'B */ |
| 795 | INT3b sn, |
| 796 | INT3b plust |
| 797 | } |
| 798 | |
| 799 | type record Extension1 /* p.79 */ |
| 800 | { |
| 801 | BIT2 ext_type, /* Must be '01'B */ |
| 802 | INT3b sn, |
| 803 | INT3b plust, |
| 804 | LIN1 minust |
| 805 | }; |
| 806 | |
| 807 | type record Extension2 /* p.79 */ |
| 808 | { |
| 809 | BIT2 ext_type, /* Must be '10'B */ |
| 810 | INT3b sn, |
| 811 | INT11b_BO_LAST plust, |
| 812 | LIN1 minust |
| 813 | }; |
| 814 | |
| 815 | type record Extension3 /* p.79 */ |
| 816 | { |
| 817 | BIT2 ext_type, /* Must be '11'B */ |
| 818 | BIT1 s_bit, |
| 819 | BIT1 r_ts_bit, |
| 820 | BIT1 tsc_bit, |
| 821 | BIT1 i_bit, |
| 822 | BIT1 ip_bit, |
| 823 | BIT1 rtp_bit, |
| 824 | Inner_IP_flags inner_ip_flags optional, |
| 825 | Outer_IP_flags outer_ip_flags optional, |
| 826 | LIN1 sn optional, |
| 827 | integer ts optional, |
| 828 | /* This field contains the length of the SDVL encoded TS value counted in |
| 829 | octets. */ |
| 830 | integer ts_length optional, |
| 831 | Inner_IP_fields inner_ip_hdr optional, |
| 832 | LIN2_BO_LAST ip_id optional, |
| 833 | Outer_IP_fields outer_ip_hdr optional, |
| 834 | RTP_flags_fields rtp_fl_fi optional |
| 835 | }; |
| 836 | |
| 837 | type union Profile1_Extension /* p.79 */ |
| 838 | { |
| 839 | Extension0 ext0, |
| 840 | Extension1 ext1, |
| 841 | Extension2 ext2, |
| 842 | Extension3 ext3 |
| 843 | }; |
| 844 | |
| 845 | //Profile2 |
| 846 | |
| 847 | type record Profile2_headers /* p.77 */ |
| 848 | { |
| 849 | Profile2_base_header base_header, |
| 850 | Profile2_Extension ext optional, |
| 851 | LIN2_BO_LAST ip_id_outer optional, |
| 852 | octetstring ah_outer optional, |
| 853 | LIN2_BO_LAST gre_cksum1 optional, |
| 854 | LIN2_BO_LAST ip_id_inner optional, |
| 855 | octetstring ah_inner optional, |
| 856 | LIN2_BO_LAST gre_cksum2 optional, |
| 857 | LIN2_BO_LAST udp_cksum optional |
| 858 | }; |
| 859 | |
| 860 | type union Profile2_base_header |
| 861 | { |
| 862 | Profile2_IR_header ir, |
| 863 | Profile2_IR_DYN_header ir_dyn, |
| 864 | Profile1_R_0_header r_0, |
| 865 | Profile1_R_0_CRC_header r_0_crc, |
| 866 | Profile1_UO_0_header uo_0, |
| 867 | Profile2_R_1_header r_1, |
| 868 | Profile2_UO_1_header uo_1, |
| 869 | Profile2_UOR_2_header uor_2 |
| 870 | }; |
| 871 | |
| 872 | type union Profile2_Static_Chain_u |
| 873 | { |
| 874 | IPv4_Static ipv4_stat, |
| 875 | IPv6_Static ipv6_stat, |
| 876 | UDP_Static udp_stat |
| 877 | }; |
| 878 | |
| 879 | type record Profile2_UDP_Dynamic |
| 880 | { |
| 881 | LIN2_BO_LAST cksum, |
| 882 | LIN2_BO_LAST udp_sn |
| 883 | }; |
| 884 | |
| 885 | type union Profile2_Dynamic_Chain_u |
| 886 | { |
| 887 | IPv4_Dynamic ipv4_dyn, |
| 888 | IPv6_Dynamic ipv6_dyn, |
| 889 | Profile2_UDP_Dynamic udp_dyn |
| 890 | }; |
| 891 | |
| 892 | type record of Profile2_Static_Chain_u Profile2_Static_Chain; |
| 893 | |
| 894 | type record of Profile2_Dynamic_Chain_u Profile2_Dynamic_Chain; |
| 895 | |
| 896 | type record Profile2_IR_header |
| 897 | { |
| 898 | INT14b_BO_LAST cid, |
| 899 | BIT7 type_ind, /* Must be '1111110'B */ |
| 900 | BIT1 d, |
| 901 | LIN1 profile, /* Must be 2 */ |
| 902 | LIN1 crc, |
| 903 | Profile2_Static_Chain stat_chain, |
| 904 | Profile2_Dynamic_Chain dyn_chain optional |
| 905 | }; |
| 906 | |
| 907 | type record Profile2_IR_DYN_header /* p.46 */ /* p.92 */ |
| 908 | { |
| 909 | INT14b_BO_LAST cid, |
| 910 | BIT8 type_ind, /* Must be '11111000'B */ |
| 911 | LIN1 profile, /* Must be 2 */ |
| 912 | LIN1 crc, |
| 913 | Profile2_Dynamic_Chain dyn_chain |
| 914 | }; |
| 915 | |
| 916 | type record Profile2_R_1_header |
| 917 | { |
| 918 | INT14b_BO_LAST cid, |
| 919 | BIT2 type_ind, /* Must be '10'B */ |
| 920 | INT6b sn, |
| 921 | BIT1 x_bit, |
| 922 | INT7b ip_id |
| 923 | }; |
| 924 | |
| 925 | type record Profile2_UO_1_header |
| 926 | { |
| 927 | INT14b_BO_LAST cid, |
| 928 | BIT2 type_ind, /* Must be '10'B */ |
| 929 | INT6b ip_id, |
| 930 | INT5b sn, |
| 931 | INT3b crc |
| 932 | }; |
| 933 | |
| 934 | type record Profile2_UOR_2_header |
| 935 | { |
| 936 | INT14b_BO_LAST cid, |
| 937 | BIT3 type_ind, /* Must be '110'B */ |
| 938 | INT5b sn, |
| 939 | BIT1 x_bit, |
| 940 | INT7b crc |
| 941 | }; |
| 942 | |
| 943 | type record Profile2_Inner_IP_flags |
| 944 | { |
| 945 | BIT1 tos, |
| 946 | BIT1 ttl, |
| 947 | BIT1 df, |
| 948 | BIT1 pr, |
| 949 | BIT1 ipx, |
| 950 | BIT1 nbo, |
| 951 | BIT1 rnd_bit, |
| 952 | BIT1 reserved /* Must be '0'B */ |
| 953 | }; |
| 954 | |
| 955 | type union Profile2_Extension |
| 956 | { |
| 957 | Profile2_Extension0 ext0, |
| 958 | Profile2_Extension1 ext1, |
| 959 | Profile2_Extension2 ext2, |
| 960 | Profile2_Extension3 ext3 |
| 961 | }; |
| 962 | |
| 963 | type record Profile2_Extension0 |
| 964 | { |
| 965 | BIT2 ext_type, /* Must be '00'B */ |
| 966 | INT3b sn, |
| 967 | INT3b ip_id |
| 968 | } |
| 969 | |
| 970 | type record Profile2_Extension1 |
| 971 | { |
| 972 | BIT2 ext_type, /* Must be '01'B */ |
| 973 | INT3b sn, |
| 974 | INT11b_BO_LAST ip_id |
| 975 | }; |
| 976 | |
| 977 | type record Profile2_Extension2 |
| 978 | { |
| 979 | BIT2 ext_type, /* Must be '10'B */ |
| 980 | INT3b sn, |
| 981 | INT11b_BO_LAST ip_id2, |
| 982 | LIN1 ip_id |
| 983 | }; |
| 984 | |
| 985 | type record Profile2_Extension3 |
| 986 | { |
| 987 | BIT2 ext_type, /* Must be '11'B */ |
| 988 | BIT1 s_bit, |
| 989 | INT2b mode, |
| 990 | BIT1 i_bit, |
| 991 | BIT1 ip_bit, |
| 992 | BIT1 ip2_bit, |
| 993 | Profile2_Inner_IP_flags inner_ip_flags optional, |
| 994 | Outer_IP_flags outer_ip_flags optional, |
| 995 | LIN1 sn optional, |
| 996 | Inner_IP_fields inner_ip_hdr optional, |
| 997 | LIN2_BO_LAST ip_id optional, |
| 998 | Outer_IP_fields outer_ip_hdr optional |
| 999 | }; |
| 1000 | |
| 1001 | //Profile4 |
| 1002 | |
| 1003 | type record Profile4_headers |
| 1004 | { |
| 1005 | Profile4_base_header base_header, |
| 1006 | Profile2_Extension ext optional, |
| 1007 | LIN2_BO_LAST ip_id_outer optional, |
| 1008 | octetstring ah_outer optional, |
| 1009 | LIN2_BO_LAST gre_cksum1 optional, |
| 1010 | LIN2_BO_LAST ip_id_inner optional, |
| 1011 | octetstring ah_inner optional, |
| 1012 | LIN2_BO_LAST gre_cksum2 optional, |
| 1013 | Profile4_Dynamic_Chain additional_IP optional |
| 1014 | }; |
| 1015 | |
| 1016 | type union Profile4_base_header |
| 1017 | { |
| 1018 | Profile4_IR_header ir, |
| 1019 | Profile4_IR_DYN_header ir_dyn, |
| 1020 | Profile1_R_0_header r_0, |
| 1021 | Profile1_R_0_CRC_header r_0_crc, |
| 1022 | Profile1_UO_0_header uo_0, |
| 1023 | Profile2_R_1_header r_1, |
| 1024 | Profile2_UO_1_header uo_1, |
| 1025 | Profile2_UOR_2_header uor_2 |
| 1026 | }; |
| 1027 | |
| 1028 | type union Profile4_Static_Chain_u |
| 1029 | { |
| 1030 | IPv4_Static ipv4_stat, |
| 1031 | IPv6_Static ipv6_stat |
| 1032 | }; |
| 1033 | |
| 1034 | type record Profile4_IPv4_Dynamic |
| 1035 | { |
| 1036 | LIN1 tos, |
| 1037 | LIN1 ttl, |
| 1038 | LIN2_BO_LAST identification, |
| 1039 | BIT1 df_bit, |
| 1040 | BIT1 rnd_bit, |
| 1041 | BIT1 nbo_bit, |
| 1042 | BIT1 sid_bit, |
| 1043 | BIT4 reserved, /* Must be '0000'B */ |
| 1044 | Enc_Type_0 genextheadlist |
| 1045 | }; |
| 1046 | |
| 1047 | type union Profile4_Dynamic_Chain_u |
| 1048 | { |
| 1049 | Profile4_IPv4_Dynamic ipv4_dyn, |
| 1050 | IPv6_Dynamic ipv6_dyn, |
| 1051 | LIN2_BO_LAST sn |
| 1052 | }; |
| 1053 | |
| 1054 | type record of Profile4_Static_Chain_u Profile4_Static_Chain; |
| 1055 | |
| 1056 | type record of Profile4_Dynamic_Chain_u Profile4_Dynamic_Chain; |
| 1057 | |
| 1058 | type record Profile4_IR_header |
| 1059 | { |
| 1060 | INT14b_BO_LAST cid, |
| 1061 | BIT7 type_ind, /* Must be '1111110'B */ |
| 1062 | BIT1 d, |
| 1063 | LIN1 profile, /* Must be 4 */ |
| 1064 | LIN1 crc, |
| 1065 | Profile4_Static_Chain stat_chain, |
| 1066 | Profile4_Dynamic_Chain dyn_chain optional |
| 1067 | }; |
| 1068 | |
| 1069 | type record Profile4_IR_DYN_header |
| 1070 | { |
| 1071 | INT14b_BO_LAST cid, |
| 1072 | BIT8 type_ind, /* Must be '11111000'B */ |
| 1073 | LIN1 profile, /* Must be 4 */ |
| 1074 | LIN1 crc, |
| 1075 | Profile4_Dynamic_Chain dyn_chain |
| 1076 | }; |
| 1077 | |
| 1078 | } with { encode "RAW" } |
| 1079 | |