1 /*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* $KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $ */ 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #ifndef __sctp_uio_h__ 36 #define __sctp_uio_h__ 37 38 39 #if ! defined(_KERNEL) 40 #include <stdint.h> 41 #endif 42 #include <sys/types.h> 43 #include <sys/socket.h> 44 #include <sys/time.h> 45 #include <sys/socketvar.h> 46 #include <netinet/in.h> 47 48 typedef uint32_t sctp_assoc_t; 49 50 /* On/Off setup for subscription to events */ 51 struct sctp_event_subscribe { 52 uint8_t sctp_data_io_event; 53 uint8_t sctp_association_event; 54 uint8_t sctp_address_event; 55 uint8_t sctp_send_failure_event; 56 uint8_t sctp_peer_error_event; 57 uint8_t sctp_shutdown_event; 58 uint8_t sctp_partial_delivery_event; 59 uint8_t sctp_adaptation_layer_event; 60 uint8_t sctp_authentication_event; 61 uint8_t sctp_stream_reset_events; 62 }; 63 64 /* ancillary data types */ 65 #define SCTP_INIT 0x0001 66 #define SCTP_SNDRCV 0x0002 67 #define SCTP_EXTRCV 0x0003 68 /* 69 * ancillary data structures 70 */ 71 struct sctp_initmsg { 72 uint32_t sinit_num_ostreams; 73 uint32_t sinit_max_instreams; 74 uint16_t sinit_max_attempts; 75 uint16_t sinit_max_init_timeo; 76 }; 77 78 /* We add 96 bytes to the size of sctp_sndrcvinfo. 79 * This makes the current structure 128 bytes long 80 * which is nicely 64 bit aligned but also has room 81 * for us to add more and keep ABI compatability. 82 * For example, already we have the sctp_extrcvinfo 83 * when enabled which is 48 bytes. 84 */ 85 86 /* 87 * The assoc up needs a verfid 88 * all sendrcvinfo's need a verfid for SENDING only. 89 */ 90 91 92 #define SCTP_ALIGN_RESV_PAD 96 93 #define SCTP_ALIGN_RESV_PAD_SHORT 80 94 95 struct sctp_sndrcvinfo { 96 uint16_t sinfo_stream; 97 uint16_t sinfo_ssn; 98 uint16_t sinfo_flags; 99 uint32_t sinfo_ppid; 100 uint32_t sinfo_context; 101 uint32_t sinfo_timetolive; 102 uint32_t sinfo_tsn; 103 uint32_t sinfo_cumtsn; 104 sctp_assoc_t sinfo_assoc_id; 105 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 106 }; 107 108 struct sctp_extrcvinfo { 109 struct sctp_sndrcvinfo sreinfo_sinfo; 110 uint16_t sreinfo_next_flags; 111 uint16_t sreinfo_next_stream; 112 uint32_t sreinfo_next_aid; 113 uint32_t sreinfo_next_length; 114 uint32_t sreinfo_next_ppid; 115 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 116 }; 117 118 #define SCTP_NO_NEXT_MSG 0x0000 119 #define SCTP_NEXT_MSG_AVAIL 0x0001 120 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 121 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 122 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 123 124 struct sctp_snd_all_completes { 125 uint16_t sall_stream; 126 uint16_t sall_flags; 127 uint32_t sall_ppid; 128 uint32_t sall_context; 129 uint32_t sall_num_sent; 130 uint32_t sall_num_failed; 131 }; 132 133 /* Flags that go into the sinfo->sinfo_flags field */ 134 #define SCTP_EOF 0x0100/* Start shutdown procedures */ 135 #define SCTP_ABORT 0x0200/* Send an ABORT to peer */ 136 #define SCTP_UNORDERED 0x0400/* Message is un-ordered */ 137 #define SCTP_ADDR_OVER 0x0800/* Override the primary-address */ 138 #define SCTP_SENDALL 0x1000/* Send this on all associations */ 139 #define SCTP_EOR 0x2000/* end of message signal */ 140 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \ 141 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 142 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR)) != 0) 143 /* for the endpoint */ 144 145 /* The lower byte is an enumeration of PR-SCTP policies */ 146 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 147 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 148 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 149 150 #define PR_SCTP_POLICY(x) ((x) & 0xff) 151 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0) 152 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 153 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 154 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 155 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 156 /* Stat's */ 157 struct sctp_pcbinfo { 158 uint32_t ep_count; 159 uint32_t asoc_count; 160 uint32_t laddr_count; 161 uint32_t raddr_count; 162 uint32_t chk_count; 163 uint32_t readq_count; 164 uint32_t free_chunks; 165 uint32_t stream_oque; 166 }; 167 168 struct sctp_sockstat { 169 sctp_assoc_t ss_assoc_id; 170 uint32_t ss_total_sndbuf; 171 uint32_t ss_total_recv_buf; 172 }; 173 174 /* 175 * notification event structures 176 */ 177 178 /* 179 * association change event 180 */ 181 struct sctp_assoc_change { 182 uint16_t sac_type; 183 uint16_t sac_flags; 184 uint32_t sac_length; 185 uint16_t sac_state; 186 uint16_t sac_error; 187 uint16_t sac_outbound_streams; 188 uint16_t sac_inbound_streams; 189 sctp_assoc_t sac_assoc_id; 190 }; 191 192 /* sac_state values */ 193 #define SCTP_COMM_UP 0x0001 194 #define SCTP_COMM_LOST 0x0002 195 #define SCTP_RESTART 0x0003 196 #define SCTP_SHUTDOWN_COMP 0x0004 197 #define SCTP_CANT_STR_ASSOC 0x0005 198 199 200 /* 201 * Address event 202 */ 203 struct sctp_paddr_change { 204 uint16_t spc_type; 205 uint16_t spc_flags; 206 uint32_t spc_length; 207 struct sockaddr_storage spc_aaddr; 208 uint32_t spc_state; 209 uint32_t spc_error; 210 sctp_assoc_t spc_assoc_id; 211 }; 212 213 /* paddr state values */ 214 #define SCTP_ADDR_AVAILABLE 0x0001 215 #define SCTP_ADDR_UNREACHABLE 0x0002 216 #define SCTP_ADDR_REMOVED 0x0003 217 #define SCTP_ADDR_ADDED 0x0004 218 #define SCTP_ADDR_MADE_PRIM 0x0005 219 #define SCTP_ADDR_CONFIRMED 0x0006 220 221 /* 222 * CAUTION: these are user exposed SCTP addr reachability states must be 223 * compatible with SCTP_ADDR states in sctp_constants.h 224 */ 225 #ifdef SCTP_ACTIVE 226 #undef SCTP_ACTIVE 227 #endif 228 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 229 230 #ifdef SCTP_INACTIVE 231 #undef SCTP_INACTIVE 232 #endif 233 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ 234 235 #ifdef SCTP_UNCONFIRMED 236 #undef SCTP_UNCONFIRMED 237 #endif 238 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 239 240 #ifdef SCTP_NOHEARTBEAT 241 #undef SCTP_NOHEARTBEAT 242 #endif 243 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */ 244 245 246 /* remote error events */ 247 struct sctp_remote_error { 248 uint16_t sre_type; 249 uint16_t sre_flags; 250 uint32_t sre_length; 251 uint16_t sre_error; 252 sctp_assoc_t sre_assoc_id; 253 uint8_t sre_data[4]; 254 }; 255 256 /* data send failure event */ 257 struct sctp_send_failed { 258 uint16_t ssf_type; 259 uint16_t ssf_flags; 260 uint32_t ssf_length; 261 uint32_t ssf_error; 262 struct sctp_sndrcvinfo ssf_info; 263 sctp_assoc_t ssf_assoc_id; 264 uint8_t ssf_data[4]; 265 }; 266 267 /* flag that indicates state of data */ 268 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 269 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 270 271 /* shutdown event */ 272 struct sctp_shutdown_event { 273 uint16_t sse_type; 274 uint16_t sse_flags; 275 uint32_t sse_length; 276 sctp_assoc_t sse_assoc_id; 277 }; 278 279 /* Adaptation layer indication stuff */ 280 struct sctp_adaptation_event { 281 uint16_t sai_type; 282 uint16_t sai_flags; 283 uint32_t sai_length; 284 uint32_t sai_adaptation_ind; 285 sctp_assoc_t sai_assoc_id; 286 }; 287 288 struct sctp_setadaptation { 289 uint32_t ssb_adaptation_ind; 290 }; 291 292 /* compatable old spelling */ 293 struct sctp_adaption_event { 294 uint16_t sai_type; 295 uint16_t sai_flags; 296 uint32_t sai_length; 297 uint32_t sai_adaption_ind; 298 sctp_assoc_t sai_assoc_id; 299 }; 300 301 struct sctp_setadaption { 302 uint32_t ssb_adaption_ind; 303 }; 304 305 306 /* 307 * Partial Delivery API event 308 */ 309 struct sctp_pdapi_event { 310 uint16_t pdapi_type; 311 uint16_t pdapi_flags; 312 uint32_t pdapi_length; 313 uint32_t pdapi_indication; 314 uint16_t pdapi_stream; 315 uint16_t pdapi_seq; 316 sctp_assoc_t pdapi_assoc_id; 317 }; 318 319 /* indication values */ 320 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 321 322 323 /* 324 * authentication key event 325 */ 326 struct sctp_authkey_event { 327 uint16_t auth_type; 328 uint16_t auth_flags; 329 uint32_t auth_length; 330 uint16_t auth_keynumber; 331 uint16_t auth_altkeynumber; 332 uint32_t auth_indication; 333 sctp_assoc_t auth_assoc_id; 334 }; 335 336 /* indication values */ 337 #define SCTP_AUTH_NEWKEY 0x0001 338 339 340 /* 341 * stream reset event 342 */ 343 struct sctp_stream_reset_event { 344 uint16_t strreset_type; 345 uint16_t strreset_flags; 346 uint32_t strreset_length; 347 sctp_assoc_t strreset_assoc_id; 348 uint16_t strreset_list[0]; 349 }; 350 351 /* flags in strreset_flags field */ 352 #define SCTP_STRRESET_INBOUND_STR 0x0001 353 #define SCTP_STRRESET_OUTBOUND_STR 0x0002 354 #define SCTP_STRRESET_ALL_STREAMS 0x0004 355 #define SCTP_STRRESET_STREAM_LIST 0x0008 356 #define SCTP_STRRESET_FAILED 0x0010 357 358 359 /* SCTP notification event */ 360 struct sctp_tlv { 361 uint16_t sn_type; 362 uint16_t sn_flags; 363 uint32_t sn_length; 364 }; 365 366 union sctp_notification { 367 struct sctp_tlv sn_header; 368 struct sctp_assoc_change sn_assoc_change; 369 struct sctp_paddr_change sn_paddr_change; 370 struct sctp_remote_error sn_remote_error; 371 struct sctp_send_failed sn_send_failed; 372 struct sctp_shutdown_event sn_shutdown_event; 373 struct sctp_adaptation_event sn_adaptation_event; 374 /* compatability same as above */ 375 struct sctp_adaption_event sn_adaption_event; 376 struct sctp_pdapi_event sn_pdapi_event; 377 struct sctp_authkey_event sn_auth_event; 378 struct sctp_stream_reset_event sn_strreset_event; 379 }; 380 381 /* notification types */ 382 #define SCTP_ASSOC_CHANGE 0x0001 383 #define SCTP_PEER_ADDR_CHANGE 0x0002 384 #define SCTP_REMOTE_ERROR 0x0003 385 #define SCTP_SEND_FAILED 0x0004 386 #define SCTP_SHUTDOWN_EVENT 0x0005 387 #define SCTP_ADAPTATION_INDICATION 0x0006 388 /* same as above */ 389 #define SCTP_ADAPTION_INDICATION 0x0006 390 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 391 #define SCTP_AUTHENTICATION_EVENT 0x0008 392 #define SCTP_STREAM_RESET_EVENT 0x0009 393 394 395 /* 396 * socket option structs 397 */ 398 399 struct sctp_paddrparams { 400 sctp_assoc_t spp_assoc_id; 401 struct sockaddr_storage spp_address; 402 uint32_t spp_hbinterval; 403 uint16_t spp_pathmaxrxt; 404 uint32_t spp_pathmtu; 405 uint32_t spp_flags; 406 uint32_t spp_ipv6_flowlabel; 407 uint8_t spp_ipv4_tos; 408 409 }; 410 411 #define SPP_HB_ENABLE 0x00000001 412 #define SPP_HB_DISABLE 0x00000002 413 #define SPP_HB_DEMAND 0x00000004 414 #define SPP_PMTUD_ENABLE 0x00000008 415 #define SPP_PMTUD_DISABLE 0x00000010 416 #define SPP_SACKDELAY_ENABLE 0x00000020 417 #define SPP_SACKDELAY_DISABLE 0x00000040 418 #define SPP_HB_TIME_IS_ZERO 0x00000080 419 #define SPP_IPV6_FLOWLABEL 0x00000100 420 #define SPP_IPV4_TOS 0x00000200 421 422 struct sctp_paddrinfo { 423 sctp_assoc_t spinfo_assoc_id; 424 struct sockaddr_storage spinfo_address; 425 int32_t spinfo_state; 426 uint32_t spinfo_cwnd; 427 uint32_t spinfo_srtt; 428 uint32_t spinfo_rto; 429 uint32_t spinfo_mtu; 430 }; 431 432 struct sctp_rtoinfo { 433 sctp_assoc_t srto_assoc_id; 434 uint32_t srto_initial; 435 uint32_t srto_max; 436 uint32_t srto_min; 437 }; 438 439 struct sctp_assocparams { 440 sctp_assoc_t sasoc_assoc_id; 441 uint16_t sasoc_asocmaxrxt; 442 uint16_t sasoc_number_peer_destinations; 443 uint32_t sasoc_peer_rwnd; 444 uint32_t sasoc_local_rwnd; 445 uint32_t sasoc_cookie_life; 446 uint32_t sasoc_sack_delay; 447 uint32_t sasoc_sack_freq; 448 }; 449 450 struct sctp_setprim { 451 sctp_assoc_t ssp_assoc_id; 452 struct sockaddr_storage ssp_addr; 453 }; 454 455 struct sctp_setpeerprim { 456 sctp_assoc_t sspp_assoc_id; 457 struct sockaddr_storage sspp_addr; 458 }; 459 460 struct sctp_getaddresses { 461 sctp_assoc_t sget_assoc_id; 462 /* addr is filled in for N * sockaddr_storage */ 463 struct sockaddr addr[1]; 464 }; 465 466 struct sctp_setstrm_timeout { 467 sctp_assoc_t ssto_assoc_id; 468 uint32_t ssto_timeout; 469 uint32_t ssto_streamid_start; 470 uint32_t ssto_streamid_end; 471 }; 472 473 struct sctp_status { 474 sctp_assoc_t sstat_assoc_id; 475 int32_t sstat_state; 476 uint32_t sstat_rwnd; 477 uint16_t sstat_unackdata; 478 uint16_t sstat_penddata; 479 uint16_t sstat_instrms; 480 uint16_t sstat_outstrms; 481 uint32_t sstat_fragmentation_point; 482 struct sctp_paddrinfo sstat_primary; 483 }; 484 485 /* 486 * AUTHENTICATION support 487 */ 488 /* SCTP_AUTH_CHUNK */ 489 struct sctp_authchunk { 490 uint8_t sauth_chunk; 491 }; 492 493 /* SCTP_AUTH_KEY */ 494 struct sctp_authkey { 495 sctp_assoc_t sca_assoc_id; 496 uint16_t sca_keynumber; 497 uint8_t sca_key[0]; 498 }; 499 500 /* SCTP_HMAC_IDENT */ 501 struct sctp_hmacalgo { 502 uint16_t shmac_idents[0]; 503 }; 504 505 /* AUTH hmac_id */ 506 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 507 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 508 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ 509 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 510 #define SCTP_AUTH_HMAC_ID_SHA224 0x8001 511 #define SCTP_AUTH_HMAC_ID_SHA384 0x8002 512 #define SCTP_AUTH_HMAC_ID_SHA512 0x8003 513 514 515 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 516 struct sctp_authkeyid { 517 sctp_assoc_t scact_assoc_id; 518 uint16_t scact_keynumber; 519 }; 520 521 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 522 struct sctp_authchunks { 523 sctp_assoc_t gauth_assoc_id; 524 uint8_t gauth_chunks[0]; 525 }; 526 527 struct sctp_assoc_value { 528 sctp_assoc_t assoc_id; 529 uint32_t assoc_value; 530 }; 531 532 struct sctp_assoc_ids { 533 sctp_assoc_t gaids_assoc_id[0]; 534 }; 535 536 struct sctp_cwnd_args { 537 struct sctp_nets *net; /* network to */ 538 uint32_t cwnd_new_value;/* cwnd in k */ 539 uint32_t inflight; /* flightsize in k */ 540 uint32_t pseudo_cumack; 541 int cwnd_augment; /* increment to it */ 542 uint8_t meets_pseudo_cumack; 543 uint8_t need_new_pseudo_cumack; 544 uint8_t cnt_in_send; 545 uint8_t cnt_in_str; 546 }; 547 548 struct sctp_blk_args { 549 uint32_t onsb; /* in 1k bytes */ 550 uint32_t sndlen; /* len of send being attempted */ 551 uint32_t peer_rwnd; /* rwnd of peer */ 552 uint16_t send_sent_qcnt;/* chnk cnt */ 553 uint16_t stream_qcnt; /* chnk cnt */ 554 uint16_t chunks_on_oque;/* chunks out */ 555 uint16_t flight_size; /* flight size in k */ 556 }; 557 558 /* 559 * Max we can reset in one setting, note this is dictated not by the define 560 * but the size of a mbuf cluster so don't change this define and think you 561 * can specify more. You must do multiple resets if you want to reset more 562 * than SCTP_MAX_EXPLICIT_STR_RESET. 563 */ 564 #define SCTP_MAX_EXPLICT_STR_RESET 1000 565 566 #define SCTP_RESET_LOCAL_RECV 0x0001 567 #define SCTP_RESET_LOCAL_SEND 0x0002 568 #define SCTP_RESET_BOTH 0x0003 569 #define SCTP_RESET_TSN 0x0004 570 571 struct sctp_stream_reset { 572 sctp_assoc_t strrst_assoc_id; 573 uint16_t strrst_flags; 574 uint16_t strrst_num_streams; /* 0 == ALL */ 575 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */ 576 }; 577 578 579 struct sctp_get_nonce_values { 580 sctp_assoc_t gn_assoc_id; 581 uint32_t gn_peers_tag; 582 uint32_t gn_local_tag; 583 }; 584 585 /* Debugging logs */ 586 struct sctp_str_log { 587 void *stcb; 588 uint32_t n_tsn; 589 uint32_t e_tsn; 590 uint16_t n_sseq; 591 uint16_t e_sseq; 592 uint16_t strm; 593 }; 594 595 struct sctp_sb_log { 596 void *stcb; 597 uint32_t so_sbcc; 598 uint32_t stcb_sbcc; 599 uint32_t incr; 600 }; 601 602 struct sctp_fr_log { 603 uint32_t largest_tsn; 604 uint32_t largest_new_tsn; 605 uint32_t tsn; 606 }; 607 608 struct sctp_fr_map { 609 uint32_t base; 610 uint32_t cum; 611 uint32_t high; 612 }; 613 614 struct sctp_rwnd_log { 615 uint32_t rwnd; 616 uint32_t send_size; 617 uint32_t overhead; 618 uint32_t new_rwnd; 619 }; 620 621 struct sctp_mbcnt_log { 622 uint32_t total_queue_size; 623 uint32_t size_change; 624 uint32_t total_queue_mb_size; 625 uint32_t mbcnt_change; 626 }; 627 628 struct sctp_sack_log { 629 uint32_t cumack; 630 uint32_t oldcumack; 631 uint32_t tsn; 632 uint16_t numGaps; 633 uint16_t numDups; 634 }; 635 636 struct sctp_lock_log { 637 void *sock; 638 void *inp; 639 uint8_t tcb_lock; 640 uint8_t inp_lock; 641 uint8_t info_lock; 642 uint8_t sock_lock; 643 uint8_t sockrcvbuf_lock; 644 uint8_t socksndbuf_lock; 645 uint8_t create_lock; 646 uint8_t resv; 647 }; 648 649 struct sctp_rto_log { 650 void *net; 651 uint32_t rtt; 652 }; 653 654 struct sctp_nagle_log { 655 void *stcb; 656 uint32_t total_flight; 657 uint32_t total_in_queue; 658 uint16_t count_in_queue; 659 uint16_t count_in_flight; 660 }; 661 662 struct sctp_sbwake_log { 663 void *stcb; 664 uint16_t send_q; 665 uint16_t sent_q; 666 uint16_t flight; 667 uint16_t wake_cnt; 668 uint8_t stream_qcnt; /* chnk cnt */ 669 uint8_t chunks_on_oque; /* chunks out */ 670 uint8_t sbflags; 671 uint8_t sctpflags; 672 }; 673 674 struct sctp_misc_info { 675 uint32_t log1; 676 uint32_t log2; 677 uint32_t log3; 678 uint32_t log4; 679 }; 680 681 struct sctp_log_closing { 682 void *inp; 683 void *stcb; 684 uint32_t sctp_flags; 685 uint16_t state; 686 int16_t loc; 687 }; 688 689 struct sctp_mbuf_log { 690 struct mbuf *mp; 691 caddr_t ext; 692 caddr_t data; 693 uint16_t size; 694 uint8_t refcnt; 695 uint8_t mbuf_flags; 696 }; 697 698 struct sctp_cwnd_log { 699 uint32_t time_event; 700 uint8_t from; 701 uint8_t event_type; 702 uint8_t resv[2]; 703 union { 704 struct sctp_log_closing close; 705 struct sctp_blk_args blk; 706 struct sctp_cwnd_args cwnd; 707 struct sctp_str_log strlog; 708 struct sctp_fr_log fr; 709 struct sctp_fr_map map; 710 struct sctp_rwnd_log rwnd; 711 struct sctp_mbcnt_log mbcnt; 712 struct sctp_sack_log sack; 713 struct sctp_lock_log lock; 714 struct sctp_rto_log rto; 715 struct sctp_sb_log sb; 716 struct sctp_nagle_log nagle; 717 struct sctp_sbwake_log wake; 718 struct sctp_mbuf_log mb; 719 struct sctp_misc_info misc; 720 } x; 721 }; 722 723 struct sctp_cwnd_log_req { 724 int num_in_log; /* Number in log */ 725 int num_ret; /* Number returned */ 726 int start_at; /* start at this one */ 727 int end_at; /* end at this one */ 728 struct sctp_cwnd_log log[0]; 729 }; 730 731 struct sctpstat { 732 /* MIB according to RFC 3873 */ 733 u_long sctps_currestab; /* sctpStats 1 (Gauge32) */ 734 u_long sctps_activeestab; /* sctpStats 2 (Counter32) */ 735 u_long sctps_restartestab; 736 u_long sctps_collisionestab; 737 u_long sctps_passiveestab; /* sctpStats 3 (Counter32) */ 738 u_long sctps_aborted; /* sctpStats 4 (Counter32) */ 739 u_long sctps_shutdown; /* sctpStats 5 (Counter32) */ 740 u_long sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 741 u_long sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 742 u_long sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 743 u_long sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 744 u_long sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 745 u_long sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 746 u_long sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 747 u_long sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 748 u_long sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 749 u_long sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 750 u_long sctps_outpackets;/* sctpStats 16 (Counter64) */ 751 u_long sctps_inpackets; /* sctpStats 17 (Counter64) */ 752 struct timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 753 /* input statistics: */ 754 u_long sctps_recvpackets; /* total input packets */ 755 u_long sctps_recvdatagrams; /* total input datagrams */ 756 u_long sctps_recvpktwithdata; /* total packets that had data */ 757 u_long sctps_recvsacks; /* total input SACK chunks */ 758 u_long sctps_recvdata; /* total input DATA chunks */ 759 u_long sctps_recvdupdata; /* total input duplicate DATA chunks */ 760 u_long sctps_recvheartbeat; /* total input HB chunks */ 761 u_long sctps_recvheartbeatack; /* total input HB-ACK chunks */ 762 u_long sctps_recvecne; /* total input ECNE chunks */ 763 u_long sctps_recvauth; /* total input AUTH chunks */ 764 u_long sctps_recvauthmissing; /* total input chunks missing AUTH */ 765 u_long sctps_recvivalhmacid; /* total number of invalid HMAC ids 766 * received */ 767 u_long sctps_recvivalkeyid; /* total number of invalid secret ids 768 * received */ 769 u_long sctps_recvauthfailed; /* total number of auth failed */ 770 u_long sctps_recvexpress; /* total fast path receives all one 771 * chunk */ 772 u_long sctps_recvexpressm; /* total fast path multi-part data */ 773 /* output statistics: */ 774 u_long sctps_sendpackets; /* total output packets */ 775 u_long sctps_sendsacks; /* total output SACKs */ 776 u_long sctps_senddata; /* total output DATA chunks */ 777 u_long sctps_sendretransdata; /* total output retransmitted DATA 778 * chunks */ 779 u_long sctps_sendfastretrans; /* total output fast retransmitted 780 * DATA chunks */ 781 u_long sctps_sendmultfastretrans; /* total FR's that happened 782 * more than once to same 783 * chunk (u-del multi-fr 784 * algo). */ 785 u_long sctps_sendheartbeat; /* total output HB chunks */ 786 u_long sctps_sendecne; /* total output ECNE chunks */ 787 u_long sctps_sendauth; /* total output AUTH chunks FIXME */ 788 u_long sctps_senderrors;/* ip_output error counter */ 789 /* PCKDROPREP statistics: */ 790 u_long sctps_pdrpfmbox; /* Packet drop from middle box */ 791 u_long sctps_pdrpfehos; /* P-drop from end host */ 792 u_long sctps_pdrpmbda; /* P-drops with data */ 793 u_long sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ 794 u_long sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */ 795 u_long sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 796 u_long sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 797 u_long sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */ 798 u_long sctps_pdrptsnnf; /* P-drop, could not find TSN */ 799 u_long sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 800 u_long sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 801 u_long sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 802 u_long sctps_pdrpbadd; /* P-drop, data did not match TSN */ 803 u_long sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */ 804 /* timeouts */ 805 u_long sctps_timoiterator; /* Number of iterator timers that 806 * fired */ 807 u_long sctps_timodata; /* Number of T3 data time outs */ 808 u_long sctps_timowindowprobe; /* Number of window probe (T3) timers 809 * that fired */ 810 u_long sctps_timoinit; /* Number of INIT timers that fired */ 811 u_long sctps_timosack; /* Number of sack timers that fired */ 812 u_long sctps_timoshutdown; /* Number of shutdown timers that 813 * fired */ 814 u_long sctps_timoheartbeat; /* Number of heartbeat timers that 815 * fired */ 816 u_long sctps_timocookie;/* Number of times a cookie timeout fired */ 817 u_long sctps_timosecret;/* Number of times an endpoint changed its 818 * cookie secret */ 819 u_long sctps_timopathmtu; /* Number of PMTU timers that fired */ 820 u_long sctps_timoshutdownack; /* Number of shutdown ack timers that 821 * fired */ 822 u_long sctps_timoshutdownguard; /* Number of shutdown guard timers 823 * that fired */ 824 u_long sctps_timostrmrst; /* Number of stream reset timers that 825 * fired */ 826 u_long sctps_timoearlyfr; /* Number of early FR timers that 827 * fired */ 828 u_long sctps_timoasconf;/* Number of times an asconf timer fired */ 829 u_long sctps_timoautoclose; /* Number of times auto close timer 830 * fired */ 831 u_long sctps_timoassockill; /* Number of asoc free timers expired */ 832 u_long sctps_timoinpkill; /* Number of inp free timers expired */ 833 /* Early fast retransmission counters */ 834 u_long sctps_earlyfrstart; 835 u_long sctps_earlyfrstop; 836 u_long sctps_earlyfrmrkretrans; 837 u_long sctps_earlyfrstpout; 838 u_long sctps_earlyfrstpidsck1; 839 u_long sctps_earlyfrstpidsck2; 840 u_long sctps_earlyfrstpidsck3; 841 u_long sctps_earlyfrstpidsck4; 842 u_long sctps_earlyfrstrid; 843 u_long sctps_earlyfrstrout; 844 u_long sctps_earlyfrstrtmr; 845 /* otheres */ 846 u_long sctps_hdrops; /* packet shorter than header */ 847 u_long sctps_badsum; /* checksum error */ 848 u_long sctps_noport; /* no endpoint for port */ 849 u_long sctps_badvtag; /* bad v-tag */ 850 u_long sctps_badsid; /* bad SID */ 851 u_long sctps_nomem; /* no memory */ 852 u_long sctps_fastretransinrtt; /* number of multiple FR in a RTT 853 * window */ 854 u_long sctps_markedretrans; 855 u_long sctps_naglesent; /* nagle allowed sending */ 856 u_long sctps_naglequeued; /* nagle does't allow sending */ 857 u_long sctps_maxburstqueued; /* max burst dosn't allow sending */ 858 u_long sctps_ifnomemqueued; /* look ahead tells us no memory in 859 * interface ring buffer OR we had a 860 * send error and are queuing one 861 * send. */ 862 u_long sctps_windowprobed; /* total number of window probes sent */ 863 u_long sctps_lowlevelerr; /* total times an output error causes 864 * us to clamp down on next user send. */ 865 u_long sctps_lowlevelerrusr; /* total times sctp_senderrors were 866 * caused from a user send from a user 867 * invoked send not a sack response */ 868 u_long sctps_datadropchklmt; /* Number of in data drops due to 869 * chunk limit reached */ 870 u_long sctps_datadroprwnd; /* Number of in data drops due to rwnd 871 * limit reached */ 872 u_long sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 873 * cwnd */ 874 u_long sctps_vtagexpress; /* Used express lookup via vtag */ 875 u_long sctps_vtagbogus; /* Collision in express lookup. */ 876 u_long sctps_primary_randry; /* Number of times the sender ran dry 877 * of user data on primary */ 878 u_long sctps_cmt_randry;/* Same for above */ 879 u_long sctps_slowpath_sack; /* Sacks the slow way */ 880 u_long sctps_wu_sacks_sent; /* Window Update only sacks sent */ 881 u_long sctps_sends_with_flags; /* number of sends with sinfo_flags 882 * !=0 */ 883 u_long sctps_sends_with_unord /* number of undordered sends */ ; 884 u_long sctps_sends_with_eof; /* number of sends with EOF flag set */ 885 u_long sctps_sends_with_abort; /* number of sends with ABORT flag set */ 886 u_long sctps_protocol_drain_calls; /* number of times protocol 887 * drain called */ 888 u_long sctps_protocol_drains_done; /* number of times we did a 889 * protocol drain */ 890 u_long sctps_read_peeks;/* Number of times recv was called with peek */ 891 u_long sctps_cached_chk;/* Number of cached chunks used */ 892 u_long sctps_cached_strmoq; /* Number of cached stream oq's used */ 893 u_long sctps_left_abandon; /* Number of unread message abandonded 894 * by close */ 895 u_long sctps_send_burst_avoid; /* Send burst avoidance, already max 896 * burst inflight to net */ 897 u_long sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 898 * max burst inflight to net */ 899 }; 900 901 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 902 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 903 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_long(&sctpstat._x, _d) 904 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_long(&sctpstat._x, _d) 905 /* The following macros are for handling MIB values, */ 906 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 907 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 908 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 909 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 910 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 911 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 912 913 union sctp_sockstore { 914 #if defined(INET) || !defined(_KERNEL) 915 struct sockaddr_in sin; 916 #endif 917 #if defined(INET6) || !defined(_KERNEL) 918 struct sockaddr_in6 sin6; 919 #endif 920 struct sockaddr sa; 921 }; 922 923 struct xsctp_inpcb { 924 uint32_t last; 925 uint16_t local_port; 926 uint16_t number_local_addresses; 927 uint32_t number_associations; 928 uint32_t flags; 929 uint32_t features; 930 uint32_t total_sends; 931 uint32_t total_recvs; 932 uint32_t total_nospaces; 933 uint32_t fragmentation_point; 934 struct xsocket xsocket; 935 /* add more endpoint specific data here */ 936 }; 937 938 struct xsctp_tcb { 939 uint16_t LocalPort; /* sctpAssocEntry 3 */ 940 uint16_t RemPort; /* sctpAssocEntry 4 */ 941 union sctp_sockstore RemPrimAddr; /* sctpAssocEntry 5/6 */ 942 uint32_t HeartBeatInterval; /* sctpAssocEntry 7 */ 943 uint32_t State; /* sctpAssocEntry 8 */ 944 uint32_t InStreams; /* sctpAssocEntry 9 */ 945 uint32_t OutStreams; /* sctpAssocEntry 10 */ 946 uint32_t MaxRetr; /* sctpAssocEntry 11 */ 947 uint32_t PrimProcess; /* sctpAssocEntry 12 */ 948 uint32_t T1expireds; /* sctpAssocEntry 13 */ 949 uint32_t T2expireds; /* sctpAssocEntry 14 */ 950 uint32_t RtxChunks; /* sctpAssocEntry 15 */ 951 struct timeval StartTime; /* sctpAssocEntry 16 */ 952 struct timeval DiscontinuityTime; /* sctpAssocEntry 17 */ 953 uint32_t total_sends; 954 uint32_t total_recvs; 955 uint32_t local_tag; 956 uint32_t remote_tag; 957 uint32_t initial_tsn; 958 uint32_t highest_tsn; 959 uint32_t cumulative_tsn; 960 uint32_t cumulative_tsn_ack; 961 uint32_t mtu; 962 /* add more association specific data here */ 963 uint16_t number_local_addresses; 964 uint16_t number_remote_addresses; 965 }; 966 967 struct xsctp_laddr { 968 union sctp_sockstore LocalAddr; /* sctpAssocLocalAddrEntry 1/2 */ 969 struct timeval LocalStartTime; /* sctpAssocLocalAddrEntry 3 */ 970 /* add more local address specific data */ 971 }; 972 973 struct xsctp_raddr { 974 union sctp_sockstore RemAddr; /* sctpAssocLocalRemEntry 1/2 */ 975 uint8_t RemAddrActive; /* sctpAssocLocalRemEntry 3 */ 976 uint8_t RemAddrConfirmed; /* */ 977 uint8_t RemAddrHBActive;/* sctpAssocLocalRemEntry 4 */ 978 uint32_t RemAddrRTO; /* sctpAssocLocalRemEntry 5 */ 979 uint32_t RemAddrMaxPathRtx; /* sctpAssocLocalRemEntry 6 */ 980 uint32_t RemAddrRtx; /* sctpAssocLocalRemEntry 7 */ 981 uint32_t RemAddrErrorCounter; /* */ 982 uint32_t RemAddrCwnd; /* */ 983 uint32_t RemAddrFlightSize; /* */ 984 uint32_t RemAddrMTU; /* */ 985 struct timeval RemAddrStartTime; /* sctpAssocLocalRemEntry 8 */ 986 /* add more remote address specific data */ 987 }; 988 989 /* 990 * Kernel defined for sctp_send 991 */ 992 #if defined(_KERNEL) 993 int 994 sctp_lower_sosend(struct socket *so, 995 struct sockaddr *addr, 996 struct uio *uio, 997 struct mbuf *i_pak, 998 struct mbuf *control, 999 int flags, 1000 int use_rcvinfo, 1001 struct sctp_sndrcvinfo *srcv 1002 ,struct thread *p 1003 ); 1004 1005 int 1006 sctp_sorecvmsg(struct socket *so, 1007 struct uio *uio, 1008 struct mbuf **mp, 1009 struct sockaddr *from, 1010 int fromlen, 1011 int *msg_flags, 1012 struct sctp_sndrcvinfo *sinfo, 1013 int filling_sinfo); 1014 1015 #endif 1016 1017 /* 1018 * API system calls 1019 */ 1020 #if !(defined(_KERNEL)) 1021 1022 __BEGIN_DECLS 1023 int sctp_peeloff __P((int, sctp_assoc_t)); 1024 int sctp_bindx __P((int, struct sockaddr *, int, int)); 1025 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1026 int sctp_getaddrlen __P((sa_family_t)); 1027 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1028 void sctp_freepaddrs __P((struct sockaddr *)); 1029 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1030 void sctp_freeladdrs __P((struct sockaddr *)); 1031 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1032 1033 ssize_t sctp_sendmsg 1034 __P((int, const void *, size_t, 1035 const struct sockaddr *, 1036 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1037 1038 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 1039 const struct sctp_sndrcvinfo *sinfo, int flags)); 1040 1041 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len, 1042 struct sockaddr *addrs, int addrcnt, 1043 struct sctp_sndrcvinfo *sinfo, int flags)); 1044 1045 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, 1046 struct sockaddr *, int, 1047 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1048 1049 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa)); 1050 1051 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 1052 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1053 1054 __END_DECLS 1055 1056 #endif /* !_KERNEL */ 1057 #endif /* !__sctp_uio_h__ */ 1058