1 /*- 2 * Copyright (c) 2009-2010 Brad Penoff 3 * Copyright (c) 2009-2010 Humaira Kamal 4 * Copyright (c) 2011-2012 Irene Ruengeler 5 * Copyright (c) 2011-2012 Michael Tuexen 6 * 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef __USRSCTP_H__ 32 #define __USRSCTP_H__ 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #include <errno.h> 39 #include <sys/types.h> 40 #ifdef _WIN32 41 #ifdef _MSC_VER 42 #pragma warning(disable: 4200) 43 #endif 44 #include <winsock2.h> 45 #include <ws2tcpip.h> 46 #else 47 #include <sys/socket.h> 48 #include <netinet/in.h> 49 #endif 50 51 #ifndef MSG_NOTIFICATION 52 /* This definition MUST be in sync with usrsctplib/user_socketvar.h */ 53 #define MSG_NOTIFICATION 0x2000 54 #endif 55 56 #ifndef IPPROTO_SCTP 57 /* This is the IANA assigned protocol number of SCTP. */ 58 #define IPPROTO_SCTP 132 59 #endif 60 61 #ifdef _WIN32 62 #if defined(_MSC_VER) && _MSC_VER >= 1600 63 #include <stdint.h> 64 #elif defined(SCTP_STDINT_INCLUDE) 65 #include SCTP_STDINT_INCLUDE 66 #else 67 #define uint8_t unsigned __int8 68 #define uint16_t unsigned __int16 69 #define uint32_t unsigned __int32 70 #define uint64_t unsigned __int64 71 #define int16_t __int16 72 #define int32_t __int32 73 #endif 74 75 #define ssize_t __int64 76 #define MSG_EOR 0x8 77 #ifndef EWOULDBLOCK 78 #define EWOULDBLOCK WSAEWOULDBLOCK 79 #endif 80 #ifndef EINPROGRESS 81 #define EINPROGRESS WSAEINPROGRESS 82 #endif 83 #define SHUT_RD 1 84 #define SHUT_WR 2 85 #define SHUT_RDWR 3 86 #endif 87 88 typedef uint32_t sctp_assoc_t; 89 90 #if defined(_WIN32) && defined(_MSC_VER) 91 #pragma pack (push, 1) 92 #define SCTP_PACKED 93 #else 94 #define SCTP_PACKED __attribute__((packed)) 95 #endif 96 97 struct sctp_common_header { 98 uint16_t source_port; 99 uint16_t destination_port; 100 uint32_t verification_tag; 101 uint32_t crc32c; 102 } SCTP_PACKED; 103 104 #if defined(_WIN32) && defined(_MSC_VER) 105 #pragma pack(pop) 106 #endif 107 #undef SCTP_PACKED 108 109 #define AF_CONN 123 110 /* The definition of struct sockaddr_conn MUST be in 111 * tune with other sockaddr_* structures. 112 */ 113 #if defined(__APPLE__) || defined(__Bitrig__) || defined(__DragonFly__) || \ 114 defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) 115 struct sockaddr_conn { 116 uint8_t sconn_len; 117 uint8_t sconn_family; 118 uint16_t sconn_port; 119 void *sconn_addr; 120 }; 121 #else 122 struct sockaddr_conn { 123 uint16_t sconn_family; 124 uint16_t sconn_port; 125 void *sconn_addr; 126 }; 127 #endif 128 129 union sctp_sockstore { 130 #if defined(INET) 131 struct sockaddr_in sin; 132 #endif 133 #if defined(INET6) 134 struct sockaddr_in6 sin6; 135 #endif 136 struct sockaddr_conn sconn; 137 struct sockaddr sa; 138 }; 139 140 #define SCTP_FUTURE_ASSOC 0 141 #define SCTP_CURRENT_ASSOC 1 142 #define SCTP_ALL_ASSOC 2 143 144 /*** Structures and definitions to use the socket API ***/ 145 146 #define SCTP_ALIGN_RESV_PAD 92 147 #define SCTP_ALIGN_RESV_PAD_SHORT 76 148 149 struct sctp_rcvinfo { 150 uint16_t rcv_sid; 151 uint16_t rcv_ssn; 152 uint16_t rcv_flags; 153 uint32_t rcv_ppid; 154 uint32_t rcv_tsn; 155 uint32_t rcv_cumtsn; 156 uint32_t rcv_context; 157 sctp_assoc_t rcv_assoc_id; 158 }; 159 160 struct sctp_nxtinfo { 161 uint16_t nxt_sid; 162 uint16_t nxt_flags; 163 uint32_t nxt_ppid; 164 uint32_t nxt_length; 165 sctp_assoc_t nxt_assoc_id; 166 }; 167 168 #define SCTP_NO_NEXT_MSG 0x0000 169 #define SCTP_NEXT_MSG_AVAIL 0x0001 170 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 171 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 172 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 173 174 struct sctp_recvv_rn { 175 struct sctp_rcvinfo recvv_rcvinfo; 176 struct sctp_nxtinfo recvv_nxtinfo; 177 }; 178 179 #define SCTP_RECVV_NOINFO 0 180 #define SCTP_RECVV_RCVINFO 1 181 #define SCTP_RECVV_NXTINFO 2 182 #define SCTP_RECVV_RN 3 183 184 #define SCTP_SENDV_NOINFO 0 185 #define SCTP_SENDV_SNDINFO 1 186 #define SCTP_SENDV_PRINFO 2 187 #define SCTP_SENDV_AUTHINFO 3 188 #define SCTP_SENDV_SPA 4 189 190 #define SCTP_SEND_SNDINFO_VALID 0x00000001 191 #define SCTP_SEND_PRINFO_VALID 0x00000002 192 #define SCTP_SEND_AUTHINFO_VALID 0x00000004 193 194 struct sctp_snd_all_completes { 195 uint16_t sall_stream; 196 uint16_t sall_flags; 197 uint32_t sall_ppid; 198 uint32_t sall_context; 199 uint32_t sall_num_sent; 200 uint32_t sall_num_failed; 201 }; 202 203 struct sctp_sndinfo { 204 uint16_t snd_sid; 205 uint16_t snd_flags; 206 uint32_t snd_ppid; 207 uint32_t snd_context; 208 sctp_assoc_t snd_assoc_id; 209 }; 210 211 struct sctp_prinfo { 212 uint16_t pr_policy; 213 uint32_t pr_value; 214 }; 215 216 struct sctp_authinfo { 217 uint16_t auth_keynumber; 218 }; 219 220 struct sctp_sendv_spa { 221 uint32_t sendv_flags; 222 struct sctp_sndinfo sendv_sndinfo; 223 struct sctp_prinfo sendv_prinfo; 224 struct sctp_authinfo sendv_authinfo; 225 }; 226 227 struct sctp_udpencaps { 228 struct sockaddr_storage sue_address; 229 uint32_t sue_assoc_id; 230 uint16_t sue_port; 231 }; 232 233 /******** Notifications **************/ 234 235 /* notification types */ 236 #define SCTP_ASSOC_CHANGE 0x0001 237 #define SCTP_PEER_ADDR_CHANGE 0x0002 238 #define SCTP_REMOTE_ERROR 0x0003 239 #define SCTP_SEND_FAILED 0x0004 240 #define SCTP_SHUTDOWN_EVENT 0x0005 241 #define SCTP_ADAPTATION_INDICATION 0x0006 242 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 243 #define SCTP_AUTHENTICATION_EVENT 0x0008 244 #define SCTP_STREAM_RESET_EVENT 0x0009 245 #define SCTP_SENDER_DRY_EVENT 0x000a 246 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b 247 #define SCTP_ASSOC_RESET_EVENT 0x000c 248 #define SCTP_STREAM_CHANGE_EVENT 0x000d 249 #define SCTP_SEND_FAILED_EVENT 0x000e 250 251 /* notification event structures */ 252 253 254 /* association change event */ 255 struct sctp_assoc_change { 256 uint16_t sac_type; 257 uint16_t sac_flags; 258 uint32_t sac_length; 259 uint16_t sac_state; 260 uint16_t sac_error; 261 uint16_t sac_outbound_streams; 262 uint16_t sac_inbound_streams; 263 sctp_assoc_t sac_assoc_id; 264 uint8_t sac_info[]; /* not available yet */ 265 }; 266 267 /* sac_state values */ 268 #define SCTP_COMM_UP 0x0001 269 #define SCTP_COMM_LOST 0x0002 270 #define SCTP_RESTART 0x0003 271 #define SCTP_SHUTDOWN_COMP 0x0004 272 #define SCTP_CANT_STR_ASSOC 0x0005 273 274 /* sac_info values */ 275 #define SCTP_ASSOC_SUPPORTS_PR 0x01 276 #define SCTP_ASSOC_SUPPORTS_AUTH 0x02 277 #define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 278 #define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 279 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 280 #define SCTP_ASSOC_SUPPORTS_MAX 0x05 281 282 /* Address event */ 283 struct sctp_paddr_change { 284 uint16_t spc_type; 285 uint16_t spc_flags; 286 uint32_t spc_length; 287 struct sockaddr_storage spc_aaddr; 288 uint32_t spc_state; 289 uint32_t spc_error; 290 sctp_assoc_t spc_assoc_id; 291 uint8_t spc_padding[4]; 292 }; 293 294 /* paddr state values */ 295 #define SCTP_ADDR_AVAILABLE 0x0001 296 #define SCTP_ADDR_UNREACHABLE 0x0002 297 #define SCTP_ADDR_REMOVED 0x0003 298 #define SCTP_ADDR_ADDED 0x0004 299 #define SCTP_ADDR_MADE_PRIM 0x0005 300 #define SCTP_ADDR_CONFIRMED 0x0006 301 302 /* remote error events */ 303 struct sctp_remote_error { 304 uint16_t sre_type; 305 uint16_t sre_flags; 306 uint32_t sre_length; 307 uint16_t sre_error; 308 sctp_assoc_t sre_assoc_id; 309 uint8_t sre_data[4]; 310 }; 311 312 /* shutdown event */ 313 struct sctp_shutdown_event { 314 uint16_t sse_type; 315 uint16_t sse_flags; 316 uint32_t sse_length; 317 sctp_assoc_t sse_assoc_id; 318 }; 319 320 /* Adaptation layer indication */ 321 struct sctp_adaptation_event { 322 uint16_t sai_type; 323 uint16_t sai_flags; 324 uint32_t sai_length; 325 uint32_t sai_adaptation_ind; 326 sctp_assoc_t sai_assoc_id; 327 }; 328 329 /* Partial delivery event */ 330 struct sctp_pdapi_event { 331 uint16_t pdapi_type; 332 uint16_t pdapi_flags; 333 uint32_t pdapi_length; 334 uint32_t pdapi_indication; 335 uint32_t pdapi_stream; 336 uint32_t pdapi_seq; 337 sctp_assoc_t pdapi_assoc_id; 338 }; 339 340 /* indication values */ 341 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 342 343 /* SCTP authentication event */ 344 struct sctp_authkey_event { 345 uint16_t auth_type; 346 uint16_t auth_flags; 347 uint32_t auth_length; 348 uint16_t auth_keynumber; 349 uint32_t auth_indication; 350 sctp_assoc_t auth_assoc_id; 351 }; 352 353 /* indication values */ 354 #define SCTP_AUTH_NEW_KEY 0x0001 355 #define SCTP_AUTH_NO_AUTH 0x0002 356 #define SCTP_AUTH_FREE_KEY 0x0003 357 358 /* SCTP sender dry event */ 359 struct sctp_sender_dry_event { 360 uint16_t sender_dry_type; 361 uint16_t sender_dry_flags; 362 uint32_t sender_dry_length; 363 sctp_assoc_t sender_dry_assoc_id; 364 }; 365 366 367 /* Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT */ 368 struct sctp_stream_reset_event { 369 uint16_t strreset_type; 370 uint16_t strreset_flags; 371 uint32_t strreset_length; 372 sctp_assoc_t strreset_assoc_id; 373 uint16_t strreset_stream_list[]; 374 }; 375 376 /* flags in stream_reset_event (strreset_flags) */ 377 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 378 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 379 #define SCTP_STREAM_RESET_DENIED 0x0004 /* SCTP_STRRESET_FAILED */ 380 #define SCTP_STREAM_RESET_FAILED 0x0008 /* SCTP_STRRESET_FAILED */ 381 #define SCTP_STREAM_CHANGED_DENIED 0x0010 382 383 #define SCTP_STREAM_RESET_INCOMING 0x00000001 384 #define SCTP_STREAM_RESET_OUTGOING 0x00000002 385 386 387 /* Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT */ 388 struct sctp_assoc_reset_event { 389 uint16_t assocreset_type; 390 uint16_t assocreset_flags; 391 uint32_t assocreset_length; 392 sctp_assoc_t assocreset_assoc_id; 393 uint32_t assocreset_local_tsn; 394 uint32_t assocreset_remote_tsn; 395 }; 396 397 #define SCTP_ASSOC_RESET_DENIED 0x0004 398 #define SCTP_ASSOC_RESET_FAILED 0x0008 399 400 401 /* Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT */ 402 struct sctp_stream_change_event { 403 uint16_t strchange_type; 404 uint16_t strchange_flags; 405 uint32_t strchange_length; 406 sctp_assoc_t strchange_assoc_id; 407 uint16_t strchange_instrms; 408 uint16_t strchange_outstrms; 409 }; 410 411 #define SCTP_STREAM_CHANGE_DENIED 0x0004 412 #define SCTP_STREAM_CHANGE_FAILED 0x0008 413 414 415 /* SCTP send failed event */ 416 struct sctp_send_failed_event { 417 uint16_t ssfe_type; 418 uint16_t ssfe_flags; 419 uint32_t ssfe_length; 420 uint32_t ssfe_error; 421 struct sctp_sndinfo ssfe_info; 422 sctp_assoc_t ssfe_assoc_id; 423 uint8_t ssfe_data[]; 424 }; 425 426 /* flag that indicates state of data */ 427 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 428 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 429 430 /* SCTP event option */ 431 struct sctp_event { 432 sctp_assoc_t se_assoc_id; 433 uint16_t se_type; 434 uint8_t se_on; 435 }; 436 437 union sctp_notification { 438 struct sctp_tlv { 439 uint16_t sn_type; 440 uint16_t sn_flags; 441 uint32_t sn_length; 442 } sn_header; 443 struct sctp_assoc_change sn_assoc_change; 444 struct sctp_paddr_change sn_paddr_change; 445 struct sctp_remote_error sn_remote_error; 446 struct sctp_shutdown_event sn_shutdown_event; 447 struct sctp_adaptation_event sn_adaptation_event; 448 struct sctp_pdapi_event sn_pdapi_event; 449 struct sctp_authkey_event sn_auth_event; 450 struct sctp_sender_dry_event sn_sender_dry_event; 451 struct sctp_send_failed_event sn_send_failed_event; 452 struct sctp_stream_reset_event sn_strreset_event; 453 struct sctp_assoc_reset_event sn_assocreset_event; 454 struct sctp_stream_change_event sn_strchange_event; 455 }; 456 457 struct sctp_event_subscribe { 458 uint8_t sctp_data_io_event; 459 uint8_t sctp_association_event; 460 uint8_t sctp_address_event; 461 uint8_t sctp_send_failure_event; 462 uint8_t sctp_peer_error_event; 463 uint8_t sctp_shutdown_event; 464 uint8_t sctp_partial_delivery_event; 465 uint8_t sctp_adaptation_layer_event; 466 uint8_t sctp_authentication_event; 467 uint8_t sctp_sender_dry_event; 468 uint8_t sctp_stream_reset_event; 469 }; 470 471 472 473 /* Flags that go into the sinfo->sinfo_flags field */ 474 #define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ 475 #define SCTP_COMPLETE 0x0020 /* next message is complete */ 476 #define SCTP_EOF 0x0100 /* Start shutdown procedures */ 477 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 478 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 479 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 480 #define SCTP_SENDALL 0x1000 /* Send this on all associations */ 481 #define SCTP_EOR 0x2000 /* end of message signal */ 482 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 483 484 #define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ 485 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 486 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 487 SCTP_SACK_IMMEDIATELY)) != 0) 488 /* for the endpoint */ 489 490 /* The lower byte is an enumeration of PR-SCTP policies */ 491 #define SCTP_PR_SCTP_NONE 0x0000 /* Reliable transfer */ 492 #define SCTP_PR_SCTP_TTL 0x0001 /* Time based PR-SCTP */ 493 #define SCTP_PR_SCTP_BUF 0x0002 /* Buffer based PR-SCTP */ 494 #define SCTP_PR_SCTP_RTX 0x0003 /* Number of retransmissions based PR-SCTP */ 495 496 #define PR_SCTP_POLICY(x) ((x) & 0x0f) 497 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) 498 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 499 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 500 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 501 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 502 503 504 /* 505 * user socket options: socket API defined 506 */ 507 /* 508 * read-write options 509 */ 510 #define SCTP_RTOINFO 0x00000001 511 #define SCTP_ASSOCINFO 0x00000002 512 #define SCTP_INITMSG 0x00000003 513 #define SCTP_NODELAY 0x00000004 514 #define SCTP_AUTOCLOSE 0x00000005 515 #define SCTP_PRIMARY_ADDR 0x00000007 516 #define SCTP_ADAPTATION_LAYER 0x00000008 517 #define SCTP_DISABLE_FRAGMENTS 0x00000009 518 #define SCTP_PEER_ADDR_PARAMS 0x0000000a 519 /* ancillary data/notification interest options */ 520 /* Without this applied we will give V4 and V6 addresses on a V6 socket */ 521 #define SCTP_I_WANT_MAPPED_V4_ADDR 0x0000000d 522 #define SCTP_MAXSEG 0x0000000e 523 #define SCTP_DELAYED_SACK 0x0000000f 524 #define SCTP_FRAGMENT_INTERLEAVE 0x00000010 525 #define SCTP_PARTIAL_DELIVERY_POINT 0x00000011 526 /* authentication support */ 527 #define SCTP_HMAC_IDENT 0x00000014 528 #define SCTP_AUTH_ACTIVE_KEY 0x00000015 529 #define SCTP_AUTO_ASCONF 0x00000018 530 #define SCTP_MAX_BURST 0x00000019 531 /* assoc level context */ 532 #define SCTP_CONTEXT 0x0000001a 533 /* explicit EOR signalling */ 534 #define SCTP_EXPLICIT_EOR 0x0000001b 535 #define SCTP_REUSE_PORT 0x0000001c 536 537 #define SCTP_EVENT 0x0000001e 538 #define SCTP_RECVRCVINFO 0x0000001f 539 #define SCTP_RECVNXTINFO 0x00000020 540 #define SCTP_DEFAULT_SNDINFO 0x00000021 541 #define SCTP_DEFAULT_PRINFO 0x00000022 542 #define SCTP_REMOTE_UDP_ENCAPS_PORT 0x00000024 543 544 #define SCTP_ENABLE_STREAM_RESET 0x00000900 /* struct sctp_assoc_value */ 545 546 /* Pluggable Stream Scheduling Socket option */ 547 #define SCTP_PLUGGABLE_SS 0x00001203 548 #define SCTP_SS_VALUE 0x00001204 549 550 /* 551 * read-only options 552 */ 553 #define SCTP_STATUS 0x00000100 554 #define SCTP_GET_PEER_ADDR_INFO 0x00000101 555 /* authentication support */ 556 #define SCTP_PEER_AUTH_CHUNKS 0x00000102 557 #define SCTP_LOCAL_AUTH_CHUNKS 0x00000103 558 #define SCTP_GET_ASSOC_NUMBER 0x00000104 559 #define SCTP_GET_ASSOC_ID_LIST 0x00000105 560 #define SCTP_TIMEOUTS 0x00000106 561 #define SCTP_PR_STREAM_STATUS 0x00000107 562 #define SCTP_PR_ASSOC_STATUS 0x00000108 563 564 /* 565 * write-only options 566 */ 567 #define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006 568 #define SCTP_AUTH_CHUNK 0x00000012 569 #define SCTP_AUTH_KEY 0x00000013 570 #define SCTP_AUTH_DEACTIVATE_KEY 0x0000001d 571 #define SCTP_AUTH_DELETE_KEY 0x00000016 572 #define SCTP_RESET_STREAMS 0x00000901 /* struct sctp_reset_streams */ 573 #define SCTP_RESET_ASSOC 0x00000902 /* sctp_assoc_t */ 574 #define SCTP_ADD_STREAMS 0x00000903 /* struct sctp_add_streams */ 575 576 struct sctp_initmsg { 577 uint16_t sinit_num_ostreams; 578 uint16_t sinit_max_instreams; 579 uint16_t sinit_max_attempts; 580 uint16_t sinit_max_init_timeo; 581 }; 582 583 struct sctp_rtoinfo { 584 sctp_assoc_t srto_assoc_id; 585 uint32_t srto_initial; 586 uint32_t srto_max; 587 uint32_t srto_min; 588 }; 589 590 struct sctp_assocparams { 591 sctp_assoc_t sasoc_assoc_id; 592 uint32_t sasoc_peer_rwnd; 593 uint32_t sasoc_local_rwnd; 594 uint32_t sasoc_cookie_life; 595 uint16_t sasoc_asocmaxrxt; 596 uint16_t sasoc_number_peer_destinations; 597 }; 598 599 struct sctp_setprim { 600 struct sockaddr_storage ssp_addr; 601 sctp_assoc_t ssp_assoc_id; 602 uint8_t ssp_padding[4]; 603 }; 604 605 struct sctp_setadaptation { 606 uint32_t ssb_adaptation_ind; 607 }; 608 609 struct sctp_paddrparams { 610 struct sockaddr_storage spp_address; 611 sctp_assoc_t spp_assoc_id; 612 uint32_t spp_hbinterval; 613 uint32_t spp_pathmtu; 614 uint32_t spp_flags; 615 uint32_t spp_ipv6_flowlabel; 616 uint16_t spp_pathmaxrxt; 617 uint8_t spp_dscp; 618 }; 619 620 #define SPP_HB_ENABLE 0x00000001 621 #define SPP_HB_DISABLE 0x00000002 622 #define SPP_HB_DEMAND 0x00000004 623 #define SPP_PMTUD_ENABLE 0x00000008 624 #define SPP_PMTUD_DISABLE 0x00000010 625 #define SPP_HB_TIME_IS_ZERO 0x00000080 626 #define SPP_IPV6_FLOWLABEL 0x00000100 627 #define SPP_DSCP 0x00000200 628 629 /* Used for SCTP_MAXSEG, SCTP_MAX_BURST, SCTP_ENABLE_STREAM_RESET, and SCTP_CONTEXT */ 630 struct sctp_assoc_value { 631 sctp_assoc_t assoc_id; 632 uint32_t assoc_value; 633 }; 634 635 /* To enable stream reset */ 636 #define SCTP_ENABLE_RESET_STREAM_REQ 0x00000001 637 #define SCTP_ENABLE_RESET_ASSOC_REQ 0x00000002 638 #define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x00000004 639 #define SCTP_ENABLE_VALUE_MASK 0x00000007 640 641 struct sctp_reset_streams { 642 sctp_assoc_t srs_assoc_id; 643 uint16_t srs_flags; 644 uint16_t srs_number_streams; /* 0 == ALL */ 645 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */ 646 }; 647 648 struct sctp_add_streams { 649 sctp_assoc_t sas_assoc_id; 650 uint16_t sas_instrms; 651 uint16_t sas_outstrms; 652 }; 653 654 struct sctp_hmacalgo { 655 uint32_t shmac_number_of_idents; 656 uint16_t shmac_idents[]; 657 }; 658 659 /* AUTH hmac_id */ 660 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 661 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 662 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 663 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004 664 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005 665 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006 666 667 668 struct sctp_sack_info { 669 sctp_assoc_t sack_assoc_id; 670 uint32_t sack_delay; 671 uint32_t sack_freq; 672 }; 673 674 struct sctp_default_prinfo { 675 uint16_t pr_policy; 676 uint32_t pr_value; 677 sctp_assoc_t pr_assoc_id; 678 }; 679 680 struct sctp_paddrinfo { 681 struct sockaddr_storage spinfo_address; 682 sctp_assoc_t spinfo_assoc_id; 683 int32_t spinfo_state; 684 uint32_t spinfo_cwnd; 685 uint32_t spinfo_srtt; 686 uint32_t spinfo_rto; 687 uint32_t spinfo_mtu; 688 }; 689 690 struct sctp_status { 691 sctp_assoc_t sstat_assoc_id; 692 int32_t sstat_state; 693 uint32_t sstat_rwnd; 694 uint16_t sstat_unackdata; 695 uint16_t sstat_penddata; 696 uint16_t sstat_instrms; 697 uint16_t sstat_outstrms; 698 uint32_t sstat_fragmentation_point; 699 struct sctp_paddrinfo sstat_primary; 700 }; 701 702 /* 703 * user state values 704 */ 705 #define SCTP_CLOSED 0x0000 706 #define SCTP_BOUND 0x1000 707 #define SCTP_LISTEN 0x2000 708 #define SCTP_COOKIE_WAIT 0x0002 709 #define SCTP_COOKIE_ECHOED 0x0004 710 #define SCTP_ESTABLISHED 0x0008 711 #define SCTP_SHUTDOWN_SENT 0x0010 712 #define SCTP_SHUTDOWN_RECEIVED 0x0020 713 #define SCTP_SHUTDOWN_ACK_SENT 0x0040 714 #define SCTP_SHUTDOWN_PENDING 0x0080 715 716 717 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 718 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE 719 nor SCTP_ADDR_UNCONFIRMED */ 720 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 721 722 struct sctp_authchunks { 723 sctp_assoc_t gauth_assoc_id; 724 /* uint32_t gauth_number_of_chunks; not available */ 725 uint8_t gauth_chunks[]; 726 }; 727 728 struct sctp_assoc_ids { 729 uint32_t gaids_number_of_ids; 730 sctp_assoc_t gaids_assoc_id[]; 731 }; 732 733 struct sctp_setpeerprim { 734 struct sockaddr_storage sspp_addr; 735 sctp_assoc_t sspp_assoc_id; 736 uint8_t sspp_padding[4]; 737 }; 738 739 struct sctp_authchunk { 740 uint8_t sauth_chunk; 741 }; 742 743 744 struct sctp_get_nonce_values { 745 sctp_assoc_t gn_assoc_id; 746 uint32_t gn_peers_tag; 747 uint32_t gn_local_tag; 748 }; 749 750 751 /* 752 * Main SCTP chunk types 753 */ 754 /************0x00 series ***********/ 755 #define SCTP_DATA 0x00 756 #define SCTP_INITIATION 0x01 757 #define SCTP_INITIATION_ACK 0x02 758 #define SCTP_SELECTIVE_ACK 0x03 759 #define SCTP_HEARTBEAT_REQUEST 0x04 760 #define SCTP_HEARTBEAT_ACK 0x05 761 #define SCTP_ABORT_ASSOCIATION 0x06 762 #define SCTP_SHUTDOWN 0x07 763 #define SCTP_SHUTDOWN_ACK 0x08 764 #define SCTP_OPERATION_ERROR 0x09 765 #define SCTP_COOKIE_ECHO 0x0a 766 #define SCTP_COOKIE_ACK 0x0b 767 #define SCTP_ECN_ECHO 0x0c 768 #define SCTP_ECN_CWR 0x0d 769 #define SCTP_SHUTDOWN_COMPLETE 0x0e 770 /* RFC4895 */ 771 #define SCTP_AUTHENTICATION 0x0f 772 /* EY nr_sack chunk id*/ 773 #define SCTP_NR_SELECTIVE_ACK 0x10 774 /************0x40 series ***********/ 775 /************0x80 series ***********/ 776 /* RFC5061 */ 777 #define SCTP_ASCONF_ACK 0x80 778 /* draft-ietf-stewart-pktdrpsctp */ 779 #define SCTP_PACKET_DROPPED 0x81 780 /* draft-ietf-stewart-strreset-xxx */ 781 #define SCTP_STREAM_RESET 0x82 782 783 /* RFC4820 */ 784 #define SCTP_PAD_CHUNK 0x84 785 /************0xc0 series ***********/ 786 /* RFC3758 */ 787 #define SCTP_FORWARD_CUM_TSN 0xc0 788 /* RFC5061 */ 789 #define SCTP_ASCONF 0xc1 790 791 struct sctp_authkey { 792 sctp_assoc_t sca_assoc_id; 793 uint16_t sca_keynumber; 794 uint16_t sca_keylength; 795 uint8_t sca_key[]; 796 }; 797 798 struct sctp_authkeyid { 799 sctp_assoc_t scact_assoc_id; 800 uint16_t scact_keynumber; 801 }; 802 803 struct sctp_cc_option { 804 int option; 805 struct sctp_assoc_value aid_value; 806 }; 807 808 struct sctp_stream_value { 809 sctp_assoc_t assoc_id; 810 uint16_t stream_id; 811 uint16_t stream_value; 812 }; 813 814 struct sctp_timeouts { 815 sctp_assoc_t stimo_assoc_id; 816 uint32_t stimo_init; 817 uint32_t stimo_data; 818 uint32_t stimo_sack; 819 uint32_t stimo_shutdown; 820 uint32_t stimo_heartbeat; 821 uint32_t stimo_cookie; 822 uint32_t stimo_shutdownack; 823 }; 824 825 struct sctp_prstatus { 826 sctp_assoc_t sprstat_assoc_id; 827 uint16_t sprstat_sid; 828 uint16_t sprstat_policy; 829 uint64_t sprstat_abandoned_unsent; 830 uint64_t sprstat_abandoned_sent; 831 }; 832 833 /* Standard TCP Congestion Control */ 834 #define SCTP_CC_RFC2581 0x00000000 835 /* High Speed TCP Congestion Control (Floyd) */ 836 #define SCTP_CC_HSTCP 0x00000001 837 /* HTCP Congestion Control */ 838 #define SCTP_CC_HTCP 0x00000002 839 /* RTCC Congestion Control - RFC2581 plus */ 840 #define SCTP_CC_RTCC 0x00000003 841 842 #define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 843 #define SCTP_CC_OPT_USE_DCCC_EC 0x00002001 844 #define SCTP_CC_OPT_STEADY_STEP 0x00002002 845 846 #define SCTP_CMT_OFF 0 847 #define SCTP_CMT_BASE 1 848 #define SCTP_CMT_RPV1 2 849 #define SCTP_CMT_RPV2 3 850 #define SCTP_CMT_MPTCP 4 851 #define SCTP_CMT_MAX SCTP_CMT_MPTCP 852 853 /* RS - Supported stream scheduling modules for pluggable 854 * stream scheduling 855 */ 856 /* Default simple round-robin */ 857 #define SCTP_SS_DEFAULT 0x00000000 858 /* Real round-robin */ 859 #define SCTP_SS_ROUND_ROBIN 0x00000001 860 /* Real round-robin per packet */ 861 #define SCTP_SS_ROUND_ROBIN_PACKET 0x00000002 862 /* Priority */ 863 #define SCTP_SS_PRIORITY 0x00000003 864 /* Fair Bandwidth */ 865 #define SCTP_SS_FAIR_BANDWITH 0x00000004 866 /* First-come, first-serve */ 867 #define SCTP_SS_FIRST_COME 0x00000005 868 869 /******************** System calls *************/ 870 871 struct socket; 872 873 void 874 usrsctp_init(uint16_t, 875 int (*)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df), 876 void (*)(const char *format, ...)); 877 878 struct socket * 879 usrsctp_socket(int domain, int type, int protocol, 880 int (*receive_cb)(struct socket *sock, union sctp_sockstore addr, void *data, 881 size_t datalen, struct sctp_rcvinfo, int flags, void *ulp_info), 882 int (*send_cb)(struct socket *sock, uint32_t sb_free), 883 uint32_t sb_threshold, 884 void *ulp_info); 885 886 int 887 usrsctp_setsockopt(struct socket *so, 888 int level, 889 int option_name, 890 const void *option_value, 891 socklen_t option_len); 892 893 int 894 usrsctp_getsockopt(struct socket *so, 895 int level, 896 int option_name, 897 void *option_value, 898 socklen_t *option_len); 899 900 int 901 usrsctp_opt_info(struct socket *so, 902 sctp_assoc_t id, 903 int opt, 904 void *arg, 905 socklen_t *size); 906 907 int 908 usrsctp_getpaddrs(struct socket *so, 909 sctp_assoc_t id, 910 struct sockaddr **raddrs); 911 912 void 913 usrsctp_freepaddrs(struct sockaddr *addrs); 914 915 int 916 usrsctp_getladdrs(struct socket *so, 917 sctp_assoc_t id, 918 struct sockaddr **raddrs); 919 920 void 921 usrsctp_freeladdrs(struct sockaddr *addrs); 922 923 ssize_t 924 usrsctp_sendv(struct socket *so, 925 const void *data, 926 size_t len, 927 struct sockaddr *to, 928 int addrcnt, 929 void *info, 930 socklen_t infolen, 931 unsigned int infotype, 932 int flags); 933 934 ssize_t 935 usrsctp_recvv(struct socket *so, 936 void *dbuf, 937 size_t len, 938 struct sockaddr *from, 939 socklen_t * fromlen, 940 void *info, 941 socklen_t *infolen, 942 unsigned int *infotype, 943 int *msg_flags); 944 945 int 946 usrsctp_bind(struct socket *so, 947 struct sockaddr *name, 948 socklen_t namelen); 949 950 #define SCTP_BINDX_ADD_ADDR 0x00008001 951 #define SCTP_BINDX_REM_ADDR 0x00008002 952 953 int 954 usrsctp_bindx(struct socket *so, 955 struct sockaddr *addrs, 956 int addrcnt, 957 int flags); 958 959 int 960 usrsctp_listen(struct socket *so, 961 int backlog); 962 963 struct socket * 964 usrsctp_accept(struct socket *so, 965 struct sockaddr * aname, 966 socklen_t * anamelen); 967 968 struct socket * 969 usrsctp_peeloff(struct socket *, sctp_assoc_t); 970 971 int 972 usrsctp_connect(struct socket *so, 973 struct sockaddr *name, 974 socklen_t namelen); 975 976 int 977 usrsctp_connectx(struct socket *so, 978 const struct sockaddr *addrs, int addrcnt, 979 sctp_assoc_t *id); 980 981 void 982 usrsctp_close(struct socket *so); 983 984 sctp_assoc_t 985 usrsctp_getassocid(struct socket *, struct sockaddr *); 986 987 int 988 usrsctp_finish(void); 989 990 int 991 usrsctp_shutdown(struct socket *so, int how); 992 993 void 994 usrsctp_conninput(void *, const void *, size_t, uint8_t); 995 996 int 997 usrsctp_set_non_blocking(struct socket *, int); 998 999 int 1000 usrsctp_get_non_blocking(struct socket *); 1001 1002 void 1003 usrsctp_register_address(void *); 1004 1005 void 1006 usrsctp_deregister_address(void *); 1007 1008 int 1009 usrsctp_set_ulpinfo(struct socket *, void *); 1010 1011 #define SCTP_DUMP_OUTBOUND 1 1012 #define SCTP_DUMP_INBOUND 0 1013 1014 char * 1015 usrsctp_dumppacket(const void *, size_t, int); 1016 1017 void 1018 usrsctp_freedumpbuffer(char *); 1019 1020 void 1021 usrsctp_enable_crc32c_offload(void); 1022 1023 void 1024 usrsctp_disable_crc32c_offload(void); 1025 1026 uint32_t 1027 usrsctp_crc32c(void *, size_t); 1028 1029 #define USRSCTP_SYSCTL_DECL(__field) \ 1030 void usrsctp_sysctl_set_ ## __field(uint32_t value);\ 1031 uint32_t usrsctp_sysctl_get_ ## __field(void); 1032 1033 USRSCTP_SYSCTL_DECL(sctp_sendspace) 1034 USRSCTP_SYSCTL_DECL(sctp_recvspace) 1035 USRSCTP_SYSCTL_DECL(sctp_auto_asconf) 1036 USRSCTP_SYSCTL_DECL(sctp_multiple_asconfs) 1037 USRSCTP_SYSCTL_DECL(sctp_ecn_enable) 1038 USRSCTP_SYSCTL_DECL(sctp_pr_enable) 1039 USRSCTP_SYSCTL_DECL(sctp_auth_enable) 1040 USRSCTP_SYSCTL_DECL(sctp_asconf_enable) 1041 USRSCTP_SYSCTL_DECL(sctp_reconfig_enable) 1042 USRSCTP_SYSCTL_DECL(sctp_nrsack_enable) 1043 USRSCTP_SYSCTL_DECL(sctp_pktdrop_enable) 1044 #if !defined(SCTP_WITH_NO_CSUM) 1045 USRSCTP_SYSCTL_DECL(sctp_no_csum_on_loopback) 1046 #endif 1047 USRSCTP_SYSCTL_DECL(sctp_peer_chunk_oh) 1048 USRSCTP_SYSCTL_DECL(sctp_max_burst_default) 1049 USRSCTP_SYSCTL_DECL(sctp_max_chunks_on_queue) 1050 USRSCTP_SYSCTL_DECL(sctp_hashtblsize) 1051 USRSCTP_SYSCTL_DECL(sctp_pcbtblsize) 1052 USRSCTP_SYSCTL_DECL(sctp_min_split_point) 1053 USRSCTP_SYSCTL_DECL(sctp_chunkscale) 1054 USRSCTP_SYSCTL_DECL(sctp_delayed_sack_time_default) 1055 USRSCTP_SYSCTL_DECL(sctp_sack_freq_default) 1056 USRSCTP_SYSCTL_DECL(sctp_system_free_resc_limit) 1057 USRSCTP_SYSCTL_DECL(sctp_asoc_free_resc_limit) 1058 USRSCTP_SYSCTL_DECL(sctp_heartbeat_interval_default) 1059 USRSCTP_SYSCTL_DECL(sctp_pmtu_raise_time_default) 1060 USRSCTP_SYSCTL_DECL(sctp_shutdown_guard_time_default) 1061 USRSCTP_SYSCTL_DECL(sctp_secret_lifetime_default) 1062 USRSCTP_SYSCTL_DECL(sctp_rto_max_default) 1063 USRSCTP_SYSCTL_DECL(sctp_rto_min_default) 1064 USRSCTP_SYSCTL_DECL(sctp_rto_initial_default) 1065 USRSCTP_SYSCTL_DECL(sctp_init_rto_max_default) 1066 USRSCTP_SYSCTL_DECL(sctp_valid_cookie_life_default) 1067 USRSCTP_SYSCTL_DECL(sctp_init_rtx_max_default) 1068 USRSCTP_SYSCTL_DECL(sctp_assoc_rtx_max_default) 1069 USRSCTP_SYSCTL_DECL(sctp_path_rtx_max_default) 1070 USRSCTP_SYSCTL_DECL(sctp_add_more_threshold) 1071 USRSCTP_SYSCTL_DECL(sctp_nr_incoming_streams_default) 1072 USRSCTP_SYSCTL_DECL(sctp_nr_outgoing_streams_default) 1073 USRSCTP_SYSCTL_DECL(sctp_cmt_on_off) 1074 USRSCTP_SYSCTL_DECL(sctp_cmt_use_dac) 1075 USRSCTP_SYSCTL_DECL(sctp_use_cwnd_based_maxburst) 1076 USRSCTP_SYSCTL_DECL(sctp_nat_friendly) 1077 USRSCTP_SYSCTL_DECL(sctp_L2_abc_variable) 1078 USRSCTP_SYSCTL_DECL(sctp_mbuf_threshold_count) 1079 USRSCTP_SYSCTL_DECL(sctp_do_drain) 1080 USRSCTP_SYSCTL_DECL(sctp_hb_maxburst) 1081 USRSCTP_SYSCTL_DECL(sctp_abort_if_one_2_one_hits_limit) 1082 USRSCTP_SYSCTL_DECL(sctp_min_residual) 1083 USRSCTP_SYSCTL_DECL(sctp_max_retran_chunk) 1084 USRSCTP_SYSCTL_DECL(sctp_logging_level) 1085 USRSCTP_SYSCTL_DECL(sctp_default_cc_module) 1086 USRSCTP_SYSCTL_DECL(sctp_default_frag_interleave) 1087 USRSCTP_SYSCTL_DECL(sctp_mobility_base) 1088 USRSCTP_SYSCTL_DECL(sctp_mobility_fasthandoff) 1089 USRSCTP_SYSCTL_DECL(sctp_inits_include_nat_friendly) 1090 USRSCTP_SYSCTL_DECL(sctp_udp_tunneling_port) 1091 USRSCTP_SYSCTL_DECL(sctp_enable_sack_immediately) 1092 USRSCTP_SYSCTL_DECL(sctp_vtag_time_wait) 1093 USRSCTP_SYSCTL_DECL(sctp_blackhole) 1094 USRSCTP_SYSCTL_DECL(sctp_diag_info_code) 1095 USRSCTP_SYSCTL_DECL(sctp_fr_max_burst_default) 1096 USRSCTP_SYSCTL_DECL(sctp_path_pf_threshold) 1097 USRSCTP_SYSCTL_DECL(sctp_default_ss_module) 1098 USRSCTP_SYSCTL_DECL(sctp_rttvar_bw) 1099 USRSCTP_SYSCTL_DECL(sctp_rttvar_rtt) 1100 USRSCTP_SYSCTL_DECL(sctp_rttvar_eqret) 1101 USRSCTP_SYSCTL_DECL(sctp_steady_step) 1102 USRSCTP_SYSCTL_DECL(sctp_use_dccc_ecn) 1103 USRSCTP_SYSCTL_DECL(sctp_buffer_splitting) 1104 USRSCTP_SYSCTL_DECL(sctp_initial_cwnd) 1105 #ifdef SCTP_DEBUG 1106 USRSCTP_SYSCTL_DECL(sctp_debug_on) 1107 /* More specific values can be found in sctp_constants, but 1108 * are not considered to be part of the API. 1109 */ 1110 #define SCTP_DEBUG_NONE 0x00000000 1111 #define SCTP_DEBUG_ALL 0xffffffff 1112 #endif 1113 #undef USRSCTP_SYSCTL_DECL 1114 struct sctp_timeval { 1115 uint32_t tv_sec; 1116 uint32_t tv_usec; 1117 }; 1118 1119 struct sctpstat { 1120 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 1121 /* MIB according to RFC 3873 */ 1122 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 1123 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 1124 uint32_t sctps_restartestab; 1125 uint32_t sctps_collisionestab; 1126 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 1127 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 1128 uint32_t sctps_shutdown; /* sctpStats 5 (Counter32) */ 1129 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 1130 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 1131 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 1132 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 1133 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 1134 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 1135 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 1136 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 1137 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 1138 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 1139 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 1140 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 1141 1142 /* input statistics: */ 1143 uint32_t sctps_recvpackets; /* total input packets */ 1144 uint32_t sctps_recvdatagrams; /* total input datagrams */ 1145 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 1146 uint32_t sctps_recvsacks; /* total input SACK chunks */ 1147 uint32_t sctps_recvdata; /* total input DATA chunks */ 1148 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 1149 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 1150 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 1151 uint32_t sctps_recvecne; /* total input ECNE chunks */ 1152 uint32_t sctps_recvauth; /* total input AUTH chunks */ 1153 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 1154 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids received */ 1155 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids received */ 1156 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 1157 uint32_t sctps_recvexpress; /* total fast path receives all one chunk */ 1158 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 1159 uint32_t sctps_recvnocrc; 1160 uint32_t sctps_recvswcrc; 1161 uint32_t sctps_recvhwcrc; 1162 1163 /* output statistics: */ 1164 uint32_t sctps_sendpackets; /* total output packets */ 1165 uint32_t sctps_sendsacks; /* total output SACKs */ 1166 uint32_t sctps_senddata; /* total output DATA chunks */ 1167 uint32_t sctps_sendretransdata; /* total output retransmitted DATA chunks */ 1168 uint32_t sctps_sendfastretrans; /* total output fast retransmitted DATA chunks */ 1169 uint32_t sctps_sendmultfastretrans; /* total FR's that happened more than once 1170 * to same chunk (u-del multi-fr algo). 1171 */ 1172 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 1173 uint32_t sctps_sendecne; /* total output ECNE chunks */ 1174 uint32_t sctps_sendauth; /* total output AUTH chunks FIXME */ 1175 uint32_t sctps_senderrors; /* ip_output error counter */ 1176 uint32_t sctps_sendnocrc; 1177 uint32_t sctps_sendswcrc; 1178 uint32_t sctps_sendhwcrc; 1179 /* PCKDROPREP statistics: */ 1180 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 1181 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 1182 uint32_t sctps_pdrpmbda; /* P-drops with data */ 1183 uint32_t sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ 1184 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */ 1185 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1186 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1187 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */ 1188 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1189 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1190 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1191 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1192 uint32_t sctps_pdrpbadd; /* P-drop, data did not match TSN */ 1193 uint32_t sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */ 1194 /* timeouts */ 1195 uint32_t sctps_timoiterator; /* Number of iterator timers that fired */ 1196 uint32_t sctps_timodata; /* Number of T3 data time outs */ 1197 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers that fired */ 1198 uint32_t sctps_timoinit; /* Number of INIT timers that fired */ 1199 uint32_t sctps_timosack; /* Number of sack timers that fired */ 1200 uint32_t sctps_timoshutdown; /* Number of shutdown timers that fired */ 1201 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that fired */ 1202 uint32_t sctps_timocookie; /* Number of times a cookie timeout fired */ 1203 uint32_t sctps_timosecret; /* Number of times an endpoint changed its cookie secret*/ 1204 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1205 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that fired */ 1206 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard timers that fired */ 1207 uint32_t sctps_timostrmrst; /* Number of stream reset timers that fired */ 1208 uint32_t sctps_timoearlyfr; /* Number of early FR timers that fired */ 1209 uint32_t sctps_timoasconf; /* Number of times an asconf timer fired */ 1210 uint32_t sctps_timodelprim; /* Number of times a prim_deleted timer fired */ 1211 uint32_t sctps_timoautoclose; /* Number of times auto close timer fired */ 1212 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1213 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1214 /* former early FR counters */ 1215 uint32_t sctps_spare[11]; 1216 /* others */ 1217 uint32_t sctps_hdrops; /* packet shorter than header */ 1218 uint32_t sctps_badsum; /* checksum error */ 1219 uint32_t sctps_noport; /* no endpoint for port */ 1220 uint32_t sctps_badvtag; /* bad v-tag */ 1221 uint32_t sctps_badsid; /* bad SID */ 1222 uint32_t sctps_nomem; /* no memory */ 1223 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a RTT window */ 1224 uint32_t sctps_markedretrans; 1225 uint32_t sctps_naglesent; /* nagle allowed sending */ 1226 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1227 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1228 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1229 * interface ring buffer OR we had a 1230 * send error and are queuing one send. 1231 */ 1232 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1233 uint32_t sctps_lowlevelerr; /* total times an output error causes us 1234 * to clamp down on next user send. 1235 */ 1236 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were caused from 1237 * a user send from a user invoked send not 1238 * a sack response 1239 */ 1240 uint32_t sctps_datadropchklmt; /* Number of in data drops due to chunk limit reached */ 1241 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd limit reached */ 1242 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the cwnd */ 1243 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1244 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1245 uint32_t sctps_primary_randry; /* Number of times the sender ran dry of user data on primary */ 1246 uint32_t sctps_cmt_randry; /* Same for above */ 1247 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1248 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1249 uint32_t sctps_sends_with_flags; /* number of sends with sinfo_flags !=0 */ 1250 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1251 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1252 uint32_t sctps_sends_with_abort; /* number of sends with ABORT flag set */ 1253 uint32_t sctps_protocol_drain_calls;/* number of times protocol drain called */ 1254 uint32_t sctps_protocol_drains_done;/* number of times we did a protocol drain */ 1255 uint32_t sctps_read_peeks; /* Number of times recv was called with peek */ 1256 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1257 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1258 uint32_t sctps_left_abandon; /* Number of unread messages abandoned by close */ 1259 uint32_t sctps_send_burst_avoid; /* Unused */ 1260 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already max burst inflight to net */ 1261 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via fwd-tsn's */ 1262 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or updated an ECN chunk on send queue */ 1263 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's from here when adding new */ 1264 }; 1265 1266 void 1267 usrsctp_get_stat(struct sctpstat *); 1268 1269 #ifdef _WIN32 1270 #ifdef _MSC_VER 1271 #pragma warning(default: 4200) 1272 #endif 1273 #endif 1274 #ifdef __cplusplus 1275 } 1276 #endif 1277 #endif 1278