sctp_uio.h revision 165220
1/*- 2 * Copyright (c) 2001-2006, 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: head/sys/netinet/sctp_uio.h 165220 2006-12-14 17:02:55Z rrs $"); 34 35#ifndef __sctp_uio_h__ 36#define __sctp_uio_h__ 37 38 39 40 41#if ! defined(_KERNEL) 42#include <stdint.h> 43#endif 44#include <sys/types.h> 45#include <sys/socket.h> 46#include <netinet/in.h> 47 48typedef uint32_t sctp_assoc_t; 49 50/* On/Off setup for subscription to events */ 51struct 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 */ 71struct 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#define SCTP_ALIGN_RESV_PAD 96 87 88struct sctp_sndrcvinfo { 89 uint16_t sinfo_stream; 90 uint16_t sinfo_ssn; 91 uint16_t sinfo_flags; 92 uint32_t sinfo_ppid; 93 uint32_t sinfo_context; 94 uint32_t sinfo_timetolive; 95 uint32_t sinfo_tsn; 96 uint32_t sinfo_cumtsn; 97 sctp_assoc_t sinfo_assoc_id; 98 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 99}; 100 101struct sctp_extrcvinfo { 102 uint16_t sinfo_stream; 103 uint16_t sinfo_ssn; 104 uint16_t sinfo_flags; 105 uint32_t sinfo_ppid; 106 uint32_t sinfo_context; 107 uint32_t sinfo_timetolive; 108 uint32_t sinfo_tsn; 109 uint32_t sinfo_cumtsn; 110 sctp_assoc_t sinfo_assoc_id; 111 uint16_t next_flags; 112 uint16_t next_stream; 113 uint32_t next_asocid; 114 uint32_t next_length; 115 uint32_t next_ppid; 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 123struct sctp_snd_all_completes { 124 uint16_t sall_stream; 125 uint16_t sall_flags; 126 uint32_t sall_ppid; 127 uint32_t sall_context; 128 uint32_t sall_num_sent; 129 uint32_t sall_num_failed; 130}; 131 132/* Flags that go into the sinfo->sinfo_flags field */ 133#define SCTP_EOF 0x0100/* Start shutdown procedures */ 134#define SCTP_ABORT 0x0200/* Send an ABORT to peer */ 135#define SCTP_UNORDERED 0x0400/* Message is un-ordered */ 136#define SCTP_ADDR_OVER 0x0800/* Override the primary-address */ 137#define SCTP_SENDALL 0x1000/* Send this on all associations */ 138#define SCTP_EOR 0x2000/* end of message signal */ 139/* for the endpoint */ 140 141/* The lower byte is an enumeration of PR-SCTP policies */ 142#define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 143#define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 144#define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 145 146#define PR_SCTP_POLICY(x) ((x) & 0xff) 147#define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0) 148#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 149#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 150#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 151 152/* Stat's */ 153struct sctp_pcbinfo { 154 uint32_t ep_count; 155 uint32_t asoc_count; 156 uint32_t laddr_count; 157 uint32_t raddr_count; 158 uint32_t chk_count; 159 uint32_t readq_count; 160 uint32_t free_chunks; 161 uint32_t stream_oque; 162}; 163 164struct sctp_sockstat { 165 sctp_assoc_t ss_assoc_id; 166 uint32_t ss_total_sndbuf; 167 uint32_t ss_total_recv_buf; 168}; 169 170/* 171 * notification event structures 172 */ 173 174/* 175 * association change event 176 */ 177struct sctp_assoc_change { 178 uint16_t sac_type; 179 uint16_t sac_flags; 180 uint32_t sac_length; 181 uint16_t sac_state; 182 uint16_t sac_error; 183 uint16_t sac_outbound_streams; 184 uint16_t sac_inbound_streams; 185 sctp_assoc_t sac_assoc_id; 186}; 187 188/* sac_state values */ 189#define SCTP_COMM_UP 0x0001 190#define SCTP_COMM_LOST 0x0002 191#define SCTP_RESTART 0x0003 192#define SCTP_SHUTDOWN_COMP 0x0004 193#define SCTP_CANT_STR_ASSOC 0x0005 194 195 196/* 197 * Address event 198 */ 199struct sctp_paddr_change { 200 uint16_t spc_type; 201 uint16_t spc_flags; 202 uint32_t spc_length; 203 struct sockaddr_storage spc_aaddr; 204 uint32_t spc_state; 205 uint32_t spc_error; 206 sctp_assoc_t spc_assoc_id; 207}; 208 209/* paddr state values */ 210#define SCTP_ADDR_AVAILABLE 0x0001 211#define SCTP_ADDR_UNREACHABLE 0x0002 212#define SCTP_ADDR_REMOVED 0x0003 213#define SCTP_ADDR_ADDED 0x0004 214#define SCTP_ADDR_MADE_PRIM 0x0005 215#define SCTP_ADDR_CONFIRMED 0x0006 216 217/* 218 * CAUTION: these are user exposed SCTP addr reachability states must be 219 * compatible with SCTP_ADDR states in sctp_constants.h 220 */ 221#ifdef SCTP_ACTIVE 222#undef SCTP_ACTIVE 223#endif 224#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 225 226#ifdef SCTP_INACTIVE 227#undef SCTP_INACTIVE 228#endif 229#define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ 230 231#ifdef SCTP_UNCONFIRMED 232#undef SCTP_UNCONFIRMED 233#endif 234#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 235 236#ifdef SCTP_NOHEARTBEAT 237#undef SCTP_NOHEARTBEAT 238#endif 239#define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */ 240 241 242/* remote error events */ 243struct sctp_remote_error { 244 uint16_t sre_type; 245 uint16_t sre_flags; 246 uint32_t sre_length; 247 uint16_t sre_error; 248 sctp_assoc_t sre_assoc_id; 249 uint8_t sre_data[4]; 250}; 251 252/* data send failure event */ 253struct sctp_send_failed { 254 uint16_t ssf_type; 255 uint16_t ssf_flags; 256 uint32_t ssf_length; 257 uint32_t ssf_error; 258 struct sctp_sndrcvinfo ssf_info; 259 sctp_assoc_t ssf_assoc_id; 260 uint8_t ssf_data[4]; 261}; 262 263/* flag that indicates state of data */ 264#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 265#define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 266 267/* shutdown event */ 268struct sctp_shutdown_event { 269 uint16_t sse_type; 270 uint16_t sse_flags; 271 uint32_t sse_length; 272 sctp_assoc_t sse_assoc_id; 273}; 274 275/* Adaptation layer indication stuff */ 276struct sctp_adaptation_event { 277 uint16_t sai_type; 278 uint16_t sai_flags; 279 uint32_t sai_length; 280 uint32_t sai_adaptation_ind; 281 sctp_assoc_t sai_assoc_id; 282}; 283 284struct sctp_setadaptation { 285 uint32_t ssb_adaptation_ind; 286}; 287 288/* compatable old spelling */ 289struct sctp_adaption_event { 290 uint16_t sai_type; 291 uint16_t sai_flags; 292 uint32_t sai_length; 293 uint32_t sai_adaption_ind; 294 sctp_assoc_t sai_assoc_id; 295}; 296 297struct sctp_setadaption { 298 uint32_t ssb_adaption_ind; 299}; 300 301 302/* 303 * Partial Delivery API event 304 */ 305struct sctp_pdapi_event { 306 uint16_t pdapi_type; 307 uint16_t pdapi_flags; 308 uint32_t pdapi_length; 309 uint32_t pdapi_indication; 310 sctp_assoc_t pdapi_assoc_id; 311}; 312 313/* indication values */ 314#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 315 316 317/* 318 * authentication key event 319 */ 320struct sctp_authkey_event { 321 uint16_t auth_type; 322 uint16_t auth_flags; 323 uint32_t auth_length; 324 uint16_t auth_keynumber; 325 uint16_t auth_altkeynumber; 326 uint32_t auth_indication; 327 sctp_assoc_t auth_assoc_id; 328}; 329 330/* indication values */ 331#define SCTP_AUTH_NEWKEY 0x0001 332 333 334/* 335 * stream reset event 336 */ 337struct sctp_stream_reset_event { 338 uint16_t strreset_type; 339 uint16_t strreset_flags; 340 uint32_t strreset_length; 341 sctp_assoc_t strreset_assoc_id; 342 uint16_t strreset_list[0]; 343}; 344 345/* flags in strreset_flags field */ 346#define SCTP_STRRESET_INBOUND_STR 0x0001 347#define SCTP_STRRESET_OUTBOUND_STR 0x0002 348#define SCTP_STRRESET_ALL_STREAMS 0x0004 349#define SCTP_STRRESET_STREAM_LIST 0x0008 350#define SCTP_STRRESET_FAILED 0x0010 351 352 353/* SCTP notification event */ 354struct sctp_tlv { 355 uint16_t sn_type; 356 uint16_t sn_flags; 357 uint32_t sn_length; 358}; 359 360union sctp_notification { 361 struct sctp_tlv sn_header; 362 struct sctp_assoc_change sn_assoc_change; 363 struct sctp_paddr_change sn_paddr_change; 364 struct sctp_remote_error sn_remote_error; 365 struct sctp_send_failed sn_send_failed; 366 struct sctp_shutdown_event sn_shutdown_event; 367 struct sctp_adaptation_event sn_adaptation_event; 368 /* compatability same as above */ 369 struct sctp_adaption_event sn_adaption_event; 370 struct sctp_pdapi_event sn_pdapi_event; 371 struct sctp_authkey_event sn_auth_event; 372 struct sctp_stream_reset_event sn_strreset_event; 373}; 374 375/* notification types */ 376#define SCTP_ASSOC_CHANGE 0x0001 377#define SCTP_PEER_ADDR_CHANGE 0x0002 378#define SCTP_REMOTE_ERROR 0x0003 379#define SCTP_SEND_FAILED 0x0004 380#define SCTP_SHUTDOWN_EVENT 0x0005 381#define SCTP_ADAPTATION_INDICATION 0x0006 382/* same as above */ 383#define SCTP_ADAPTION_INDICATION 0x0006 384#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 385#define SCTP_AUTHENTICATION_EVENT 0x0008 386#define SCTP_STREAM_RESET_EVENT 0x0009 387 388 389/* 390 * socket option structs 391 */ 392 393struct sctp_paddrparams { 394 sctp_assoc_t spp_assoc_id; 395 struct sockaddr_storage spp_address; 396 uint32_t spp_hbinterval; 397 uint16_t spp_pathmaxrxt; 398 uint32_t spp_pathmtu; 399 uint32_t spp_sackdelay; 400 uint32_t spp_flags; 401 uint32_t spp_ipv6_flowlabel; 402 uint8_t spp_ipv4_tos; 403 404}; 405 406#define SPP_HB_ENABLE 0x00000001 407#define SPP_HB_DISABLE 0x00000002 408#define SPP_HB_DEMAND 0x00000004 409#define SPP_PMTUD_ENABLE 0x00000008 410#define SPP_PMTUD_DISABLE 0x00000010 411#define SPP_SACKDELAY_ENABLE 0x00000020 412#define SPP_SACKDELAY_DISABLE 0x00000040 413#define SPP_HB_TIME_IS_ZERO 0x00000080 414#define SPP_IPV6_FLOWLABEL 0x00000100 415#define SPP_IPV4_TOS 0x00000200 416 417struct sctp_paddrinfo { 418 sctp_assoc_t spinfo_assoc_id; 419 struct sockaddr_storage spinfo_address; 420 int32_t spinfo_state; 421 uint32_t spinfo_cwnd; 422 uint32_t spinfo_srtt; 423 uint32_t spinfo_rto; 424 uint32_t spinfo_mtu; 425}; 426 427struct sctp_rtoinfo { 428 sctp_assoc_t srto_assoc_id; 429 uint32_t srto_initial; 430 uint32_t srto_max; 431 uint32_t srto_min; 432}; 433 434struct sctp_assocparams { 435 sctp_assoc_t sasoc_assoc_id; 436 uint16_t sasoc_asocmaxrxt; 437 uint16_t sasoc_number_peer_destinations; 438 uint32_t sasoc_peer_rwnd; 439 uint32_t sasoc_local_rwnd; 440 uint32_t sasoc_cookie_life; 441}; 442 443struct sctp_setprim { 444 sctp_assoc_t ssp_assoc_id; 445 struct sockaddr_storage ssp_addr; 446}; 447 448struct sctp_setpeerprim { 449 sctp_assoc_t sspp_assoc_id; 450 struct sockaddr_storage sspp_addr; 451}; 452 453struct sctp_getaddresses { 454 sctp_assoc_t sget_assoc_id; 455 /* addr is filled in for N * sockaddr_storage */ 456 struct sockaddr addr[1]; 457}; 458 459struct sctp_setstrm_timeout { 460 sctp_assoc_t ssto_assoc_id; 461 uint32_t ssto_timeout; 462 uint32_t ssto_streamid_start; 463 uint32_t ssto_streamid_end; 464}; 465 466struct sctp_status { 467 sctp_assoc_t sstat_assoc_id; 468 int32_t sstat_state; 469 uint32_t sstat_rwnd; 470 uint16_t sstat_unackdata; 471 uint16_t sstat_penddata; 472 uint16_t sstat_instrms; 473 uint16_t sstat_outstrms; 474 uint32_t sstat_fragmentation_point; 475 struct sctp_paddrinfo sstat_primary; 476}; 477 478/* 479 * AUTHENTICATION support 480 */ 481/* SCTP_AUTH_CHUNK */ 482struct sctp_authchunk { 483 uint8_t sauth_chunk; 484}; 485 486/* SCTP_AUTH_KEY */ 487struct sctp_authkey { 488 sctp_assoc_t sca_assoc_id; 489 uint16_t sca_keynumber; 490 uint8_t sca_key[0]; 491}; 492 493/* SCTP_HMAC_IDENT */ 494struct sctp_hmacalgo { 495 uint16_t shmac_idents[0]; 496}; 497 498/* AUTH hmac_id */ 499#define SCTP_AUTH_HMAC_ID_RSVD 0x0000 500#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 501#define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ 502#define SCTP_AUTH_HMAC_ID_SHA256 0x0003 503#define SCTP_AUTH_HMAC_ID_SHA224 0x8001 504#define SCTP_AUTH_HMAC_ID_SHA384 0x8002 505#define SCTP_AUTH_HMAC_ID_SHA512 0x8003 506 507 508/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 509struct sctp_authkeyid { 510 sctp_assoc_t scact_assoc_id; 511 uint16_t scact_keynumber; 512}; 513 514/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 515struct sctp_authchunks { 516 sctp_assoc_t gauth_assoc_id; 517 uint8_t gauth_chunks[0]; 518}; 519 520struct sctp_assoc_value { 521 sctp_assoc_t assoc_id; 522 uint32_t assoc_value; 523}; 524 525#define MAX_ASOC_IDS_RET 255 526struct sctp_assoc_ids { 527 uint16_t asls_assoc_start; /* array of index's start at 0 */ 528 uint8_t asls_numb_present; 529 uint8_t asls_more_to_get; 530 sctp_assoc_t asls_assoc_id[MAX_ASOC_IDS_RET]; 531}; 532 533struct sctp_cwnd_args { 534 struct sctp_nets *net; /* network to */ 535 uint32_t cwnd_new_value;/* cwnd in k */ 536 uint32_t inflight; /* flightsize in k */ 537 uint32_t pseudo_cumack; 538 int cwnd_augment; /* increment to it */ 539 uint8_t meets_pseudo_cumack; 540 uint8_t need_new_pseudo_cumack; 541 uint8_t cnt_in_send; 542 uint8_t cnt_in_str; 543}; 544 545struct sctp_blk_args { 546 uint32_t onsb; /* in 1k bytes */ 547 uint32_t sndlen; /* len of send being attempted */ 548 uint32_t peer_rwnd; /* rwnd of peer */ 549 uint16_t send_sent_qcnt;/* chnk cnt */ 550 uint16_t stream_qcnt; /* chnk cnt */ 551 uint16_t chunks_on_oque;/* chunks out */ 552 uint16_t flight_size; /* flight size in k */ 553}; 554 555/* 556 * Max we can reset in one setting, note this is dictated not by the define 557 * but the size of a mbuf cluster so don't change this define and think you 558 * can specify more. You must do multiple resets if you want to reset more 559 * than SCTP_MAX_EXPLICIT_STR_RESET. 560 */ 561#define SCTP_MAX_EXPLICT_STR_RESET 1000 562 563#define SCTP_RESET_LOCAL_RECV 0x0001 564#define SCTP_RESET_LOCAL_SEND 0x0002 565#define SCTP_RESET_BOTH 0x0003 566#define SCTP_RESET_TSN 0x0004 567 568struct sctp_stream_reset { 569 sctp_assoc_t strrst_assoc_id; 570 uint16_t strrst_flags; 571 uint16_t strrst_num_streams; /* 0 == ALL */ 572 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */ 573}; 574 575 576struct sctp_get_nonce_values { 577 sctp_assoc_t gn_assoc_id; 578 uint32_t gn_peers_tag; 579 uint32_t gn_local_tag; 580}; 581 582/* Debugging logs */ 583struct sctp_str_log { 584 void *stcb; 585 uint32_t n_tsn; 586 uint32_t e_tsn; 587 uint16_t n_sseq; 588 uint16_t e_sseq; 589 uint16_t strm; 590}; 591 592struct sctp_sb_log { 593 void *stcb; 594 uint32_t so_sbcc; 595 uint32_t stcb_sbcc; 596 uint32_t incr; 597}; 598 599struct sctp_fr_log { 600 uint32_t largest_tsn; 601 uint32_t largest_new_tsn; 602 uint32_t tsn; 603}; 604 605struct sctp_fr_map { 606 uint32_t base; 607 uint32_t cum; 608 uint32_t high; 609}; 610 611struct sctp_rwnd_log { 612 uint32_t rwnd; 613 uint32_t send_size; 614 uint32_t overhead; 615 uint32_t new_rwnd; 616}; 617 618struct sctp_mbcnt_log { 619 uint32_t total_queue_size; 620 uint32_t size_change; 621 uint32_t total_queue_mb_size; 622 uint32_t mbcnt_change; 623}; 624 625struct sctp_sack_log { 626 uint32_t cumack; 627 uint32_t oldcumack; 628 uint32_t tsn; 629 uint16_t numGaps; 630 uint16_t numDups; 631}; 632 633struct sctp_lock_log { 634 void *sock; 635 void *inp; 636 uint8_t tcb_lock; 637 uint8_t inp_lock; 638 uint8_t info_lock; 639 uint8_t sock_lock; 640 uint8_t sockrcvbuf_lock; 641 uint8_t socksndbuf_lock; 642 uint8_t create_lock; 643 uint8_t resv; 644}; 645 646struct sctp_rto_log { 647 void *net; 648 uint32_t rtt; 649 uint32_t rttvar; 650 uint8_t direction; 651}; 652 653struct sctp_nagle_log { 654 void *stcb; 655 uint32_t total_flight; 656 uint32_t total_in_queue; 657 uint16_t count_in_queue; 658 uint16_t count_in_flight; 659}; 660 661struct sctp_sbwake_log { 662 void *stcb; 663 uint16_t send_q; 664 uint16_t sent_q; 665 uint16_t flight; 666 uint16_t wake_cnt; 667 uint8_t stream_qcnt; /* chnk cnt */ 668 uint8_t chunks_on_oque; /* chunks out */ 669 uint8_t sbflags; 670 uint8_t sctpflags; 671}; 672 673struct sctp_misc_info { 674 uint32_t log1; 675 uint32_t log2; 676 uint32_t log3; 677 uint32_t log4; 678}; 679 680struct sctp_log_closing { 681 void *inp; 682 void *stcb; 683 uint32_t sctp_flags; 684 uint16_t state; 685 int16_t loc; 686}; 687 688struct sctp_mbuf_log { 689 struct mbuf *mp; 690 caddr_t ext; 691 caddr_t data; 692 uint16_t size; 693 uint8_t refcnt; 694 uint8_t mbuf_flags; 695}; 696 697struct sctp_cwnd_log { 698 uint32_t time_event; 699 uint8_t from; 700 uint8_t event_type; 701 uint8_t resv[2]; 702 union { 703 struct sctp_log_closing close; 704 struct sctp_blk_args blk; 705 struct sctp_cwnd_args cwnd; 706 struct sctp_str_log strlog; 707 struct sctp_fr_log fr; 708 struct sctp_fr_map map; 709 struct sctp_rwnd_log rwnd; 710 struct sctp_mbcnt_log mbcnt; 711 struct sctp_sack_log sack; 712 struct sctp_lock_log lock; 713 struct sctp_rto_log rto; 714 struct sctp_sb_log sb; 715 struct sctp_nagle_log nagle; 716 struct sctp_sbwake_log wake; 717 struct sctp_mbuf_log mb; 718 struct sctp_misc_info misc; 719 } x; 720}; 721 722struct sctp_cwnd_log_req { 723 int num_in_log; /* Number in log */ 724 int num_ret; /* Number returned */ 725 int start_at; /* start at this one */ 726 int end_at; /* end at this one */ 727 struct sctp_cwnd_log log[0]; 728}; 729 730struct sctpstat { 731 /* MIB according to RFC 3873 */ 732 u_long sctps_currestab; /* sctpStats 1 (Gauge32) */ 733 u_long sctps_activeestab; /* sctpStats 2 (Counter32) */ 734 u_long sctps_passiveestab; /* sctpStats 3 (Counter32) */ 735 u_long sctps_aborted; /* sctpStats 4 (Counter32) */ 736 u_long sctps_shutdown; /* sctpStats 5 (Counter32) */ 737 u_long sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 738 u_long sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 739 u_long sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 740 u_long sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 741 u_long sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 742 u_long sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 743 u_long sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 744 u_long sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 745 u_long sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 746 u_long sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 747 u_long sctps_outpackets;/* sctpStats 16 (Counter64) */ 748 u_long sctps_inpackets; /* sctpStats 17 (Counter64) */ 749 u_long sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 750 /* input statistics: */ 751 u_long sctps_recvpackets; /* total input packets */ 752 u_long sctps_recvdatagrams; /* total input datagrams */ 753 u_long sctps_recvpktwithdata; 754 u_long sctps_recvsacks; /* total input SACK chunks */ 755 u_long sctps_recvdata; /* total input DATA chunks */ 756 u_long sctps_recvdupdata; /* total input duplicate DATA chunks */ 757 u_long sctps_recvheartbeat; /* total input HB chunks */ 758 u_long sctps_recvheartbeatack; /* total input HB-ACK chunks */ 759 u_long sctps_recvecne; /* total input ECNE chunks */ 760 u_long sctps_recvauth; /* total input AUTH chunks */ 761 u_long sctps_recvauthmissing; /* total input chunks missing AUTH */ 762 u_long sctps_recvivalhmacid; /* total number of invalid HMAC ids 763 * received */ 764 u_long sctps_recvivalkeyid; /* total number of invalid secret ids 765 * received */ 766 u_long sctps_recvauthfailed; /* total number of auth failed */ 767 u_long sctps_recvexpress; /* total fast path receives all one 768 * chunk */ 769 u_long sctps_recvexpressm; /* total fast path multi-part data */ 770 /* output statistics: */ 771 u_long sctps_sendpackets; /* total output packets */ 772 u_long sctps_sendsacks; /* total output SACKs */ 773 u_long sctps_senddata; /* total output DATA chunks */ 774 u_long sctps_sendretransdata; /* total output retransmitted DATA 775 * chunks */ 776 u_long sctps_sendfastretrans; /* total output fast retransmitted 777 * DATA chunks */ 778 u_long sctps_sendmultfastretrans; /* U-del */ 779 u_long sctps_sendheartbeat; /* total output HB chunks */ 780 u_long sctps_sendecne; /* total output ECNE chunks */ 781 u_long sctps_sendauth; /* total output AUTH chunks FIXME */ 782 u_long sctps_senderrors;/* ip_output error counter */ 783 /* PCKDROPREP statistics: */ 784 u_long sctps_pdrpfmbox; /* */ 785 u_long sctps_pdrpfehos; /* */ 786 u_long sctps_pdrpmbda; /* */ 787 u_long sctps_pdrpmbct; /* */ 788 u_long sctps_pdrpbwrpt; /* */ 789 u_long sctps_pdrpcrupt; /* */ 790 u_long sctps_pdrpnedat; /* */ 791 u_long sctps_pdrppdbrk; /* */ 792 u_long sctps_pdrptsnnf; /* */ 793 u_long sctps_pdrpdnfnd; /* */ 794 u_long sctps_pdrpdiwnp; /* */ 795 u_long sctps_pdrpdizrw; /* */ 796 u_long sctps_pdrpbadd; /* */ 797 u_long sctps_pdrpmark; /* */ 798 /* timeouts */ 799 u_long sctps_timoiterator; /* */ 800 u_long sctps_timodata; /* */ 801 u_long sctps_timowindowprobe; /* */ 802 u_long sctps_timoinit; /* */ 803 u_long sctps_timosack; /* */ 804 u_long sctps_timoshutdown; /* */ 805 u_long sctps_timoheartbeat; /* */ 806 u_long sctps_timocookie;/* */ 807 u_long sctps_timosecret;/* */ 808 u_long sctps_timopathmtu; /* */ 809 u_long sctps_timoshutdownack; /* */ 810 u_long sctps_timoshutdownguard; /* */ 811 u_long sctps_timostrmrst; /* */ 812 u_long sctps_timoearlyfr; /* */ 813 u_long sctps_timoasconf;/* */ 814 u_long sctps_timoautoclose; /* */ 815 u_long sctps_timoassockill; /* */ 816 u_long sctps_timoinpkill; /* */ 817 /* Early fast retransmission counters */ 818 u_long sctps_earlyfrstart; 819 u_long sctps_earlyfrstop; 820 u_long sctps_earlyfrmrkretrans; 821 u_long sctps_earlyfrstpout; 822 u_long sctps_earlyfrstpidsck1; 823 u_long sctps_earlyfrstpidsck2; 824 u_long sctps_earlyfrstpidsck3; 825 u_long sctps_earlyfrstpidsck4; 826 u_long sctps_earlyfrstrid; 827 u_long sctps_earlyfrstrout; 828 u_long sctps_earlyfrstrtmr; 829 /* otheres */ 830 u_long sctps_hdrops; /* packet shorter than header */ 831 u_long sctps_badsum; /* checksum error */ 832 u_long sctps_noport; /* no endpoint for port */ 833 u_long sctps_badvtag; /* bad v-tag */ 834 u_long sctps_badsid; /* bad SID */ 835 u_long sctps_nomem; /* no memory */ 836 u_long sctps_fastretransinrtt; /* number of multiple FR in a RTT 837 * window */ 838 u_long sctps_markedretrans; 839 u_long sctps_naglesent; /* nagle allowed sending */ 840 u_long sctps_naglequeued; /* nagle does't allow sending */ 841 u_long sctps_maxburstqueued; /* max burst dosn't allow sending */ 842 u_long sctps_ifnomemqueued; /* */ 843 u_long sctps_windowprobed; /* total number of window probes sent */ 844 u_long sctps_lowlevelerr; 845 u_long sctps_lowlevelerrusr; 846 u_long sctps_datadropchklmt; 847 u_long sctps_datadroprwnd; 848 u_long sctps_ecnereducedcwnd; 849 u_long sctps_vtagexpress; /* Used express lookup via vtag */ 850 u_long sctps_vtagbogus; /* Collision in express lookup. */ 851 u_long sctps_primary_randry; /* Number of times the sender ran dry 852 * of user data on primary */ 853 u_long sctps_cmt_randry;/* Same for above */ 854 u_long sctps_slowpath_sack; /* Sacks the slow way */ 855 u_long sctps_wu_sacks_sent; /* Window Update only sacks sent */ 856 u_long sctps_sends_with_flags; /* number of sends with sinfo_flags 857 * !=0 */ 858 u_long sctps_sends_with_unord; 859 u_long sctps_sends_with_eof; 860 u_long sctps_sends_with_abort; 861 u_long sctps_protocol_drain_calls; 862 u_long sctps_protocol_drains_done; 863}; 864 865#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 866#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 867#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_long(&sctpstat._x, _d) 868#define SCTP_STAT_DECR_BY(_x,_d) atomic_add_long(&sctpstat._x, -(_d)) 869/* The following macros are for handling MIB values, */ 870#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 871#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 872#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 873#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 874#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 875#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 876 877union sctp_sockstore { 878#ifdef AF_INET 879 struct sockaddr_in sin; 880#endif 881#ifdef AF_INET6 882 struct sockaddr_in6 sin6; 883#endif 884 struct sockaddr sa; 885}; 886 887struct xsctp_inpcb { 888 uint32_t last; 889 uint16_t local_port; 890 uint16_t number_local_addresses; 891 uint32_t number_associations; 892 uint32_t flags; 893 uint32_t features; 894 uint32_t total_sends; 895 uint32_t total_recvs; 896 uint32_t total_nospaces; 897 /* add more endpoint specific data here */ 898}; 899 900struct xsctp_tcb { 901 uint16_t remote_port; 902 uint16_t number_local_addresses; 903 uint16_t number_remote_addresses; 904 uint16_t number_incomming_streams; 905 uint16_t number_outgoing_streams; 906 uint32_t state; 907 uint32_t total_sends; 908 uint32_t total_recvs; 909 uint32_t local_tag; 910 uint32_t remote_tag; 911 uint32_t initial_tsn; 912 uint32_t highest_tsn; 913 uint32_t cumulative_tsn; 914 uint32_t cumulative_tsn_ack; 915 /* add more association specific data here */ 916}; 917 918struct xsctp_laddr { 919 union sctp_sockstore address; 920 /* add more local address specific data */ 921}; 922 923struct xsctp_raddr { 924 union sctp_sockstore address; 925 uint16_t state; 926 /* add more remote address specific data */ 927}; 928 929/* 930 * Kernel defined for sctp_send 931 */ 932#if defined(_KERNEL) 933int 934sctp_lower_sosend(struct socket *so, 935 struct sockaddr *addr, 936 struct uio *uio, 937 struct mbuf *top, 938 struct mbuf *control, 939 int flags, 940 int use_rcvinfo, 941 struct sctp_sndrcvinfo *srcv, 942 struct thread *p 943); 944 945int 946sctp_sorecvmsg(struct socket *so, 947 struct uio *uio, 948 struct mbuf **mp, 949 struct sockaddr *from, 950 int fromlen, 951 int *msg_flags, 952 struct sctp_sndrcvinfo *sinfo, 953 int filling_sinfo); 954 955 956#endif 957 958/* 959 * API system calls 960 */ 961 962#if !(defined(_KERNEL)) 963 964__BEGIN_DECLS 965int sctp_peeloff __P((int, sctp_assoc_t)); 966int sctp_bindx __P((int, struct sockaddr *, int, int)); 967int sctp_connectx __P((int, const struct sockaddr *, int)); 968int sctp_getaddrlen __P((sa_family_t)); 969int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 970void sctp_freepaddrs __P((struct sockaddr *)); 971int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 972void sctp_freeladdrs __P((struct sockaddr *)); 973int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 974 975ssize_t sctp_sendmsg 976__P((int, const void *, size_t, 977 const struct sockaddr *, 978 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 979 980 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 981 const struct sctp_sndrcvinfo *sinfo, int flags)); 982 983 ssize_t 984 sctp_sendx __P((int sd, const void *msg, size_t len, 985 struct sockaddr *addrs, int addrcnt, 986 struct sctp_sndrcvinfo *sinfo, int flags)); 987 ssize_t 988 sctp_sendmsgx __P((int sd, const void *, size_t, 989 struct sockaddr *, int, 990 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 991 992sctp_assoc_t 993sctp_getassocid __P((int sd, struct sockaddr *sa)); 994 995 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 996 socklen_t *, struct sctp_sndrcvinfo *, int *)); 997 998__END_DECLS 999 1000#endif /* !_KERNEL */ 1001#endif /* !__sctp_uio_h__ */ 1002