sctp_uio.h revision 172157
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: head/sys/netinet/sctp_uio.h 172157 2007-09-13 14:43:54Z rrs $"); 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 <netinet/in.h> 45 46typedef uint32_t sctp_assoc_t; 47 48/* On/Off setup for subscription to events */ 49struct sctp_event_subscribe { 50 uint8_t sctp_data_io_event; 51 uint8_t sctp_association_event; 52 uint8_t sctp_address_event; 53 uint8_t sctp_send_failure_event; 54 uint8_t sctp_peer_error_event; 55 uint8_t sctp_shutdown_event; 56 uint8_t sctp_partial_delivery_event; 57 uint8_t sctp_adaptation_layer_event; 58 uint8_t sctp_authentication_event; 59 uint8_t sctp_stream_reset_events; 60}; 61 62/* ancillary data types */ 63#define SCTP_INIT 0x0001 64#define SCTP_SNDRCV 0x0002 65#define SCTP_EXTRCV 0x0003 66/* 67 * ancillary data structures 68 */ 69struct sctp_initmsg { 70 uint32_t sinit_num_ostreams; 71 uint32_t sinit_max_instreams; 72 uint16_t sinit_max_attempts; 73 uint16_t sinit_max_init_timeo; 74}; 75 76/* We add 96 bytes to the size of sctp_sndrcvinfo. 77 * This makes the current structure 128 bytes long 78 * which is nicely 64 bit aligned but also has room 79 * for us to add more and keep ABI compatability. 80 * For example, already we have the sctp_extrcvinfo 81 * when enabled which is 48 bytes. 82 */ 83 84/* 85 * The assoc up needs a verfid 86 * all sendrcvinfo's need a verfid for SENDING only. 87 */ 88 89 90#define SCTP_ALIGN_RESV_PAD 96 91#define SCTP_ALIGN_RESV_PAD_SHORT 80 92 93struct sctp_sndrcvinfo { 94 uint16_t sinfo_stream; 95 uint16_t sinfo_ssn; 96 uint16_t sinfo_flags; 97 uint16_t sinfo_pr_policy; 98 uint32_t sinfo_ppid; 99 uint32_t sinfo_context; 100 uint32_t sinfo_timetolive; 101 uint32_t sinfo_tsn; 102 uint32_t sinfo_cumtsn; 103 sctp_assoc_t sinfo_assoc_id; 104 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 105}; 106 107struct sctp_extrcvinfo { 108 uint16_t sinfo_stream; 109 uint16_t sinfo_ssn; 110 uint16_t sinfo_flags; 111 uint16_t sinfo_pr_policy; 112 uint32_t sinfo_ppid; 113 uint32_t sinfo_context; 114 uint32_t sinfo_timetolive; 115 uint32_t sinfo_tsn; 116 uint32_t sinfo_cumtsn; 117 sctp_assoc_t sinfo_assoc_id; 118 uint16_t sreinfo_next_flags; 119 uint16_t sreinfo_next_stream; 120 uint32_t sreinfo_next_aid; 121 uint32_t sreinfo_next_length; 122 uint32_t sreinfo_next_ppid; 123 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 124}; 125 126#define SCTP_NO_NEXT_MSG 0x0000 127#define SCTP_NEXT_MSG_AVAIL 0x0001 128#define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 129#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 130#define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 131 132struct sctp_snd_all_completes { 133 uint16_t sall_stream; 134 uint16_t sall_flags; 135 uint32_t sall_ppid; 136 uint32_t sall_context; 137 uint32_t sall_num_sent; 138 uint32_t sall_num_failed; 139}; 140 141/* Flags that go into the sinfo->sinfo_flags field */ 142#define SCTP_EOF 0x0100/* Start shutdown procedures */ 143#define SCTP_ABORT 0x0200/* Send an ABORT to peer */ 144#define SCTP_UNORDERED 0x0400/* Message is un-ordered */ 145#define SCTP_ADDR_OVER 0x0800/* Override the primary-address */ 146#define SCTP_SENDALL 0x1000/* Send this on all associations */ 147#define SCTP_EOR 0x2000/* end of message signal */ 148#define SCTP_PR_POLICY_VALID 0x4000 /* pr sctp policy valid */ 149 150#define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \ 151 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 152 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR)) != 0) 153/* for the endpoint */ 154 155/* The lower byte is an enumeration of PR-SCTP policies */ 156#define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 157#define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 158#define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 159 160#define PR_SCTP_POLICY(x) ((x) & 0xff) 161#define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0) 162#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 163#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 164#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 165#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 166/* Stat's */ 167struct sctp_pcbinfo { 168 uint32_t ep_count; 169 uint32_t asoc_count; 170 uint32_t laddr_count; 171 uint32_t raddr_count; 172 uint32_t chk_count; 173 uint32_t readq_count; 174 uint32_t free_chunks; 175 uint32_t stream_oque; 176}; 177 178struct sctp_sockstat { 179 sctp_assoc_t ss_assoc_id; 180 uint32_t ss_total_sndbuf; 181 uint32_t ss_total_recv_buf; 182}; 183 184/* 185 * notification event structures 186 */ 187 188/* 189 * association change event 190 */ 191struct sctp_assoc_change { 192 uint16_t sac_type; 193 uint16_t sac_flags; 194 uint32_t sac_length; 195 uint16_t sac_state; 196 uint16_t sac_error; 197 uint16_t sac_outbound_streams; 198 uint16_t sac_inbound_streams; 199 sctp_assoc_t sac_assoc_id; 200}; 201 202/* sac_state values */ 203#define SCTP_COMM_UP 0x0001 204#define SCTP_COMM_LOST 0x0002 205#define SCTP_RESTART 0x0003 206#define SCTP_SHUTDOWN_COMP 0x0004 207#define SCTP_CANT_STR_ASSOC 0x0005 208 209 210/* 211 * Address event 212 */ 213struct sctp_paddr_change { 214 uint16_t spc_type; 215 uint16_t spc_flags; 216 uint32_t spc_length; 217 struct sockaddr_storage spc_aaddr; 218 uint32_t spc_state; 219 uint32_t spc_error; 220 sctp_assoc_t spc_assoc_id; 221 uint8_t spc_padding[4]; 222}; 223 224/* paddr state values */ 225#define SCTP_ADDR_AVAILABLE 0x0001 226#define SCTP_ADDR_UNREACHABLE 0x0002 227#define SCTP_ADDR_REMOVED 0x0003 228#define SCTP_ADDR_ADDED 0x0004 229#define SCTP_ADDR_MADE_PRIM 0x0005 230#define SCTP_ADDR_CONFIRMED 0x0006 231 232/* 233 * CAUTION: these are user exposed SCTP addr reachability states must be 234 * compatible with SCTP_ADDR states in sctp_constants.h 235 */ 236#ifdef SCTP_ACTIVE 237#undef SCTP_ACTIVE 238#endif 239#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 240 241#ifdef SCTP_INACTIVE 242#undef SCTP_INACTIVE 243#endif 244#define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ 245 246#ifdef SCTP_UNCONFIRMED 247#undef SCTP_UNCONFIRMED 248#endif 249#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 250 251#ifdef SCTP_NOHEARTBEAT 252#undef SCTP_NOHEARTBEAT 253#endif 254#define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */ 255 256 257/* remote error events */ 258struct sctp_remote_error { 259 uint16_t sre_type; 260 uint16_t sre_flags; 261 uint32_t sre_length; 262 uint16_t sre_error; 263 sctp_assoc_t sre_assoc_id; 264 uint8_t sre_data[4]; 265}; 266 267/* data send failure event */ 268struct sctp_send_failed { 269 uint16_t ssf_type; 270 uint16_t ssf_flags; 271 uint32_t ssf_length; 272 uint32_t ssf_error; 273 struct sctp_sndrcvinfo ssf_info; 274 sctp_assoc_t ssf_assoc_id; 275 uint8_t ssf_data[0]; 276}; 277 278/* flag that indicates state of data */ 279#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 280#define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 281 282/* shutdown event */ 283struct sctp_shutdown_event { 284 uint16_t sse_type; 285 uint16_t sse_flags; 286 uint32_t sse_length; 287 sctp_assoc_t sse_assoc_id; 288}; 289 290/* Adaptation layer indication stuff */ 291struct sctp_adaptation_event { 292 uint16_t sai_type; 293 uint16_t sai_flags; 294 uint32_t sai_length; 295 uint32_t sai_adaptation_ind; 296 sctp_assoc_t sai_assoc_id; 297}; 298 299struct sctp_setadaptation { 300 uint32_t ssb_adaptation_ind; 301}; 302 303/* compatable old spelling */ 304struct sctp_adaption_event { 305 uint16_t sai_type; 306 uint16_t sai_flags; 307 uint32_t sai_length; 308 uint32_t sai_adaption_ind; 309 sctp_assoc_t sai_assoc_id; 310}; 311 312struct sctp_setadaption { 313 uint32_t ssb_adaption_ind; 314}; 315 316 317/* 318 * Partial Delivery API event 319 */ 320struct sctp_pdapi_event { 321 uint16_t pdapi_type; 322 uint16_t pdapi_flags; 323 uint32_t pdapi_length; 324 uint32_t pdapi_indication; 325 uint16_t pdapi_stream; 326 uint16_t pdapi_seq; 327 sctp_assoc_t pdapi_assoc_id; 328}; 329 330/* indication values */ 331#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 332 333 334/* 335 * authentication key event 336 */ 337struct sctp_authkey_event { 338 uint16_t auth_type; 339 uint16_t auth_flags; 340 uint32_t auth_length; 341 uint16_t auth_keynumber; 342 uint16_t auth_altkeynumber; 343 uint32_t auth_indication; 344 sctp_assoc_t auth_assoc_id; 345}; 346 347/* indication values */ 348#define SCTP_AUTH_NEWKEY 0x0001 349 350 351/* 352 * stream reset event 353 */ 354struct sctp_stream_reset_event { 355 uint16_t strreset_type; 356 uint16_t strreset_flags; 357 uint32_t strreset_length; 358 sctp_assoc_t strreset_assoc_id; 359 uint16_t strreset_list[0]; 360}; 361 362/* flags in strreset_flags field */ 363#define SCTP_STRRESET_INBOUND_STR 0x0001 364#define SCTP_STRRESET_OUTBOUND_STR 0x0002 365#define SCTP_STRRESET_ALL_STREAMS 0x0004 366#define SCTP_STRRESET_STREAM_LIST 0x0008 367#define SCTP_STRRESET_FAILED 0x0010 368 369 370/* SCTP notification event */ 371struct sctp_tlv { 372 uint16_t sn_type; 373 uint16_t sn_flags; 374 uint32_t sn_length; 375}; 376 377union sctp_notification { 378 struct sctp_tlv sn_header; 379 struct sctp_assoc_change sn_assoc_change; 380 struct sctp_paddr_change sn_paddr_change; 381 struct sctp_remote_error sn_remote_error; 382 struct sctp_send_failed sn_send_failed; 383 struct sctp_shutdown_event sn_shutdown_event; 384 struct sctp_adaptation_event sn_adaptation_event; 385 /* compatability same as above */ 386 struct sctp_adaption_event sn_adaption_event; 387 struct sctp_pdapi_event sn_pdapi_event; 388 struct sctp_authkey_event sn_auth_event; 389 struct sctp_stream_reset_event sn_strreset_event; 390}; 391 392/* notification types */ 393#define SCTP_ASSOC_CHANGE 0x0001 394#define SCTP_PEER_ADDR_CHANGE 0x0002 395#define SCTP_REMOTE_ERROR 0x0003 396#define SCTP_SEND_FAILED 0x0004 397#define SCTP_SHUTDOWN_EVENT 0x0005 398#define SCTP_ADAPTATION_INDICATION 0x0006 399/* same as above */ 400#define SCTP_ADAPTION_INDICATION 0x0006 401#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 402#define SCTP_AUTHENTICATION_EVENT 0x0008 403#define SCTP_STREAM_RESET_EVENT 0x0009 404 405 406/* 407 * socket option structs 408 */ 409 410struct sctp_paddrparams { 411 struct sockaddr_storage spp_address; 412 sctp_assoc_t spp_assoc_id; 413 uint32_t spp_hbinterval; 414 uint32_t spp_pathmtu; 415 uint32_t spp_flags; 416 uint32_t spp_ipv6_flowlabel; 417 uint16_t spp_pathmaxrxt; 418 uint8_t spp_ipv4_tos; 419}; 420 421#define SPP_HB_ENABLE 0x00000001 422#define SPP_HB_DISABLE 0x00000002 423#define SPP_HB_DEMAND 0x00000004 424#define SPP_PMTUD_ENABLE 0x00000008 425#define SPP_PMTUD_DISABLE 0x00000010 426#define SPP_HB_TIME_IS_ZERO 0x00000080 427#define SPP_IPV6_FLOWLABEL 0x00000100 428#define SPP_IPV4_TOS 0x00000200 429 430struct sctp_paddrinfo { 431 struct sockaddr_storage spinfo_address; 432 sctp_assoc_t spinfo_assoc_id; 433 int32_t spinfo_state; 434 uint32_t spinfo_cwnd; 435 uint32_t spinfo_srtt; 436 uint32_t spinfo_rto; 437 uint32_t spinfo_mtu; 438}; 439 440struct sctp_rtoinfo { 441 sctp_assoc_t srto_assoc_id; 442 uint32_t srto_initial; 443 uint32_t srto_max; 444 uint32_t srto_min; 445}; 446 447struct sctp_assocparams { 448 sctp_assoc_t sasoc_assoc_id; 449 uint32_t sasoc_peer_rwnd; 450 uint32_t sasoc_local_rwnd; 451 uint32_t sasoc_cookie_life; 452 uint16_t sasoc_asocmaxrxt; 453 uint16_t sasoc_number_peer_destinations; 454}; 455 456struct sctp_setprim { 457 struct sockaddr_storage ssp_addr; 458 sctp_assoc_t ssp_assoc_id; 459 uint8_t ssp_padding[4]; 460}; 461 462struct sctp_setpeerprim { 463 struct sockaddr_storage sspp_addr; 464 sctp_assoc_t sspp_assoc_id; 465 uint8_t sspp_padding[4]; 466}; 467 468struct sctp_getaddresses { 469 sctp_assoc_t sget_assoc_id; 470 /* addr is filled in for N * sockaddr_storage */ 471 struct sockaddr addr[1]; 472}; 473 474struct sctp_setstrm_timeout { 475 sctp_assoc_t ssto_assoc_id; 476 uint32_t ssto_timeout; 477 uint32_t ssto_streamid_start; 478 uint32_t ssto_streamid_end; 479}; 480 481struct sctp_status { 482 sctp_assoc_t sstat_assoc_id; 483 int32_t sstat_state; 484 uint32_t sstat_rwnd; 485 uint16_t sstat_unackdata; 486 uint16_t sstat_penddata; 487 uint16_t sstat_instrms; 488 uint16_t sstat_outstrms; 489 uint32_t sstat_fragmentation_point; 490 struct sctp_paddrinfo sstat_primary; 491}; 492 493/* 494 * AUTHENTICATION support 495 */ 496/* SCTP_AUTH_CHUNK */ 497struct sctp_authchunk { 498 uint8_t sauth_chunk; 499}; 500 501/* SCTP_AUTH_KEY */ 502struct sctp_authkey { 503 sctp_assoc_t sca_assoc_id; 504 uint16_t sca_keynumber; 505 uint8_t sca_key[0]; 506}; 507 508/* SCTP_HMAC_IDENT */ 509struct sctp_hmacalgo { 510 uint16_t shmac_idents[0]; 511}; 512 513/* AUTH hmac_id */ 514#define SCTP_AUTH_HMAC_ID_RSVD 0x0000 515#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 516#define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ 517#define SCTP_AUTH_HMAC_ID_SHA256 0x0003 518#define SCTP_AUTH_HMAC_ID_SHA224 0x0004 519#define SCTP_AUTH_HMAC_ID_SHA384 0x0005 520#define SCTP_AUTH_HMAC_ID_SHA512 0x0006 521 522 523/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 524struct sctp_authkeyid { 525 sctp_assoc_t scact_assoc_id; 526 uint16_t scact_keynumber; 527}; 528 529/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 530struct sctp_authchunks { 531 sctp_assoc_t gauth_assoc_id; 532 uint8_t gauth_chunks[0]; 533}; 534 535struct sctp_assoc_value { 536 sctp_assoc_t assoc_id; 537 uint32_t assoc_value; 538}; 539 540struct sctp_assoc_ids { 541 sctp_assoc_t gaids_assoc_id[0]; 542}; 543 544struct sctp_sack_info { 545 sctp_assoc_t sack_assoc_id; 546 uint32_t sack_delay; 547 uint32_t sack_freq; 548}; 549 550struct sctp_cwnd_args { 551 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 552 uint32_t cwnd_new_value;/* cwnd in k */ 553 uint32_t inflight; /* flightsize in k */ 554 uint32_t pseudo_cumack; 555 uint32_t cwnd_augment; /* increment to it */ 556 uint8_t meets_pseudo_cumack; 557 uint8_t need_new_pseudo_cumack; 558 uint8_t cnt_in_send; 559 uint8_t cnt_in_str; 560}; 561 562struct sctp_blk_args { 563 uint32_t onsb; /* in 1k bytes */ 564 uint32_t sndlen; /* len of send being attempted */ 565 uint32_t peer_rwnd; /* rwnd of peer */ 566 uint16_t send_sent_qcnt;/* chnk cnt */ 567 uint16_t stream_qcnt; /* chnk cnt */ 568 uint16_t chunks_on_oque;/* chunks out */ 569 uint16_t flight_size; /* flight size in k */ 570}; 571 572/* 573 * Max we can reset in one setting, note this is dictated not by the define 574 * but the size of a mbuf cluster so don't change this define and think you 575 * can specify more. You must do multiple resets if you want to reset more 576 * than SCTP_MAX_EXPLICIT_STR_RESET. 577 */ 578#define SCTP_MAX_EXPLICT_STR_RESET 1000 579 580#define SCTP_RESET_LOCAL_RECV 0x0001 581#define SCTP_RESET_LOCAL_SEND 0x0002 582#define SCTP_RESET_BOTH 0x0003 583#define SCTP_RESET_TSN 0x0004 584 585struct sctp_stream_reset { 586 sctp_assoc_t strrst_assoc_id; 587 uint16_t strrst_flags; 588 uint16_t strrst_num_streams; /* 0 == ALL */ 589 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */ 590}; 591 592 593struct sctp_get_nonce_values { 594 sctp_assoc_t gn_assoc_id; 595 uint32_t gn_peers_tag; 596 uint32_t gn_local_tag; 597}; 598 599/* Debugging logs */ 600struct sctp_str_log { 601 void *stcb; /* FIXME: LP64 issue */ 602 uint32_t n_tsn; 603 uint32_t e_tsn; 604 uint16_t n_sseq; 605 uint16_t e_sseq; 606 uint16_t strm; 607}; 608 609struct sctp_sb_log { 610 void *stcb; /* FIXME: LP64 issue */ 611 uint32_t so_sbcc; 612 uint32_t stcb_sbcc; 613 uint32_t incr; 614}; 615 616struct sctp_fr_log { 617 uint32_t largest_tsn; 618 uint32_t largest_new_tsn; 619 uint32_t tsn; 620}; 621 622struct sctp_fr_map { 623 uint32_t base; 624 uint32_t cum; 625 uint32_t high; 626}; 627 628struct sctp_rwnd_log { 629 uint32_t rwnd; 630 uint32_t send_size; 631 uint32_t overhead; 632 uint32_t new_rwnd; 633}; 634 635struct sctp_mbcnt_log { 636 uint32_t total_queue_size; 637 uint32_t size_change; 638 uint32_t total_queue_mb_size; 639 uint32_t mbcnt_change; 640}; 641 642struct sctp_sack_log { 643 uint32_t cumack; 644 uint32_t oldcumack; 645 uint32_t tsn; 646 uint16_t numGaps; 647 uint16_t numDups; 648}; 649 650struct sctp_lock_log { 651 void *sock; /* FIXME: LP64 issue */ 652 void *inp; /* FIXME: LP64 issue */ 653 uint8_t tcb_lock; 654 uint8_t inp_lock; 655 uint8_t info_lock; 656 uint8_t sock_lock; 657 uint8_t sockrcvbuf_lock; 658 uint8_t socksndbuf_lock; 659 uint8_t create_lock; 660 uint8_t resv; 661}; 662 663struct sctp_rto_log { 664 void *net; /* FIXME: LP64 issue */ 665 uint32_t rtt; 666}; 667 668struct sctp_nagle_log { 669 void *stcb; /* FIXME: LP64 issue */ 670 uint32_t total_flight; 671 uint32_t total_in_queue; 672 uint16_t count_in_queue; 673 uint16_t count_in_flight; 674}; 675 676struct sctp_sbwake_log { 677 void *stcb; /* FIXME: LP64 issue */ 678 uint16_t send_q; 679 uint16_t sent_q; 680 uint16_t flight; 681 uint16_t wake_cnt; 682 uint8_t stream_qcnt; /* chnk cnt */ 683 uint8_t chunks_on_oque; /* chunks out */ 684 uint8_t sbflags; 685 uint8_t sctpflags; 686}; 687 688struct sctp_misc_info { 689 uint32_t log1; 690 uint32_t log2; 691 uint32_t log3; 692 uint32_t log4; 693}; 694 695struct sctp_log_closing { 696 void *inp; /* FIXME: LP64 issue */ 697 void *stcb; /* FIXME: LP64 issue */ 698 uint32_t sctp_flags; 699 uint16_t state; 700 int16_t loc; 701}; 702 703struct sctp_mbuf_log { 704 struct mbuf *mp; /* FIXME: LP64 issue */ 705 caddr_t ext; 706 caddr_t data; 707 uint16_t size; 708 uint8_t refcnt; 709 uint8_t mbuf_flags; 710}; 711 712struct sctp_cwnd_log { 713 uint64_t time_event; 714 uint8_t from; 715 uint8_t event_type; 716 uint8_t resv[2]; 717 union { 718 struct sctp_log_closing close; 719 struct sctp_blk_args blk; 720 struct sctp_cwnd_args cwnd; 721 struct sctp_str_log strlog; 722 struct sctp_fr_log fr; 723 struct sctp_fr_map map; 724 struct sctp_rwnd_log rwnd; 725 struct sctp_mbcnt_log mbcnt; 726 struct sctp_sack_log sack; 727 struct sctp_lock_log lock; 728 struct sctp_rto_log rto; 729 struct sctp_sb_log sb; 730 struct sctp_nagle_log nagle; 731 struct sctp_sbwake_log wake; 732 struct sctp_mbuf_log mb; 733 struct sctp_misc_info misc; 734 } x; 735}; 736 737struct sctp_cwnd_log_req { 738 int32_t num_in_log; /* Number in log */ 739 int32_t num_ret; /* Number returned */ 740 int32_t start_at; /* start at this one */ 741 int32_t end_at; /* end at this one */ 742 struct sctp_cwnd_log log[0]; 743}; 744 745struct sctp_timeval { 746 uint32_t tv_sec; 747 uint32_t tv_usec; 748}; 749 750struct sctpstat { 751 /* MIB according to RFC 3873 */ 752 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 753 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 754 uint32_t sctps_restartestab; 755 uint32_t sctps_collisionestab; 756 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 757 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 758 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 759 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 760 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 761 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 762 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 763 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 764 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 765 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 766 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 767 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 768 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 769 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 770 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 771 772 /* input statistics: */ 773 uint32_t sctps_recvpackets; /* total input packets */ 774 uint32_t sctps_recvdatagrams; /* total input datagrams */ 775 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 776 uint32_t sctps_recvsacks; /* total input SACK chunks */ 777 uint32_t sctps_recvdata;/* total input DATA chunks */ 778 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 779 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 780 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 781 uint32_t sctps_recvecne;/* total input ECNE chunks */ 782 uint32_t sctps_recvauth;/* total input AUTH chunks */ 783 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 784 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 785 * received */ 786 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 787 * received */ 788 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 789 uint32_t sctps_recvexpress; /* total fast path receives all one 790 * chunk */ 791 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 792 /* output statistics: */ 793 uint32_t sctps_sendpackets; /* total output packets */ 794 uint32_t sctps_sendsacks; /* total output SACKs */ 795 uint32_t sctps_senddata;/* total output DATA chunks */ 796 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 797 * chunks */ 798 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 799 * DATA chunks */ 800 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 801 * more than once to same 802 * chunk (u-del multi-fr 803 * algo). */ 804 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 805 uint32_t sctps_sendecne;/* total output ECNE chunks */ 806 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 807 uint32_t sctps_senderrors; /* ip_output error counter */ 808 /* PCKDROPREP statistics: */ 809 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 810 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 811 uint32_t sctps_pdrpmbda;/* P-drops with data */ 812 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 813 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 814 * only */ 815 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 816 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 817 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 818 * said break */ 819 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 820 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 821 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 822 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 823 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 824 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 825 /* timeouts */ 826 uint32_t sctps_timoiterator; /* Number of iterator timers that 827 * fired */ 828 uint32_t sctps_timodata;/* Number of T3 data time outs */ 829 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 830 * that fired */ 831 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 832 uint32_t sctps_timosack;/* Number of sack timers that fired */ 833 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 834 * fired */ 835 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 836 * fired */ 837 uint32_t sctps_timocookie; /* Number of times a cookie timeout 838 * fired */ 839 uint32_t sctps_timosecret; /* Number of times an endpoint changed 840 * its cookie secret */ 841 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 842 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 843 * fired */ 844 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 845 * timers that fired */ 846 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 847 * fired */ 848 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 849 * fired */ 850 uint32_t sctps_timoasconf; /* Number of times an asconf timer 851 * fired */ 852 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 853 * timer fired */ 854 uint32_t sctps_timoautoclose; /* Number of times auto close timer 855 * fired */ 856 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 857 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 858 /* Early fast retransmission counters */ 859 uint32_t sctps_earlyfrstart; 860 uint32_t sctps_earlyfrstop; 861 uint32_t sctps_earlyfrmrkretrans; 862 uint32_t sctps_earlyfrstpout; 863 uint32_t sctps_earlyfrstpidsck1; 864 uint32_t sctps_earlyfrstpidsck2; 865 uint32_t sctps_earlyfrstpidsck3; 866 uint32_t sctps_earlyfrstpidsck4; 867 uint32_t sctps_earlyfrstrid; 868 uint32_t sctps_earlyfrstrout; 869 uint32_t sctps_earlyfrstrtmr; 870 /* otheres */ 871 uint32_t sctps_hdrops; /* packet shorter than header */ 872 uint32_t sctps_badsum; /* checksum error */ 873 uint32_t sctps_noport; /* no endpoint for port */ 874 uint32_t sctps_badvtag; /* bad v-tag */ 875 uint32_t sctps_badsid; /* bad SID */ 876 uint32_t sctps_nomem; /* no memory */ 877 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 878 * RTT window */ 879 uint32_t sctps_markedretrans; 880 uint32_t sctps_naglesent; /* nagle allowed sending */ 881 uint32_t sctps_naglequeued; /* nagle does't allow sending */ 882 uint32_t sctps_maxburstqueued; /* max burst dosn't allow sending */ 883 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 884 * interface ring buffer OR we had a 885 * send error and are queuing one 886 * send. */ 887 uint32_t sctps_windowprobed; /* total number of window probes sent */ 888 uint32_t sctps_lowlevelerr; /* total times an output error causes 889 * us to clamp down on next user send. */ 890 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 891 * caused from a user send from a user 892 * invoked send not a sack response */ 893 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 894 * chunk limit reached */ 895 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 896 * limit reached */ 897 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 898 * cwnd */ 899 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 900 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 901 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 902 * of user data on primary */ 903 uint32_t sctps_cmt_randry; /* Same for above */ 904 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 905 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 906 uint32_t sctps_sends_with_flags; /* number of sends with 907 * sinfo_flags !=0 */ 908 uint32_t sctps_sends_with_unord /* number of undordered sends */ ; 909 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 910 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 911 * flag set */ 912 uint32_t sctps_protocol_drain_calls; /* number of times protocol 913 * drain called */ 914 uint32_t sctps_protocol_drains_done; /* number of times we did a 915 * protocol drain */ 916 uint32_t sctps_read_peeks; /* Number of times recv was called 917 * with peek */ 918 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 919 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 920 uint32_t sctps_left_abandon; /* Number of unread message abandonded 921 * by close */ 922 uint32_t sctps_send_burst_avoid; /* Send burst avoidance, 923 * already max burst inflight 924 * to net */ 925 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 926 * max burst inflight to net */ 927 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 928 * fwd-tsn's */ 929 930 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 931 * (TimeStamp) */ 932}; 933 934#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 935#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 936#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&sctpstat._x, _d) 937#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&sctpstat._x, _d) 938 939/* The following macros are for handling MIB values, */ 940#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 941#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 942#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 943#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 944#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 945#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 946 947union sctp_sockstore { 948#if defined(INET) || !defined(_KERNEL) 949 struct sockaddr_in sin; 950#endif 951#if defined(INET6) || !defined(_KERNEL) 952 struct sockaddr_in6 sin6; 953#endif 954 struct sockaddr sa; 955}; 956 957struct xsctp_inpcb { 958 uint32_t last; 959 uint32_t flags; 960 uint32_t features; 961 uint32_t total_sends; 962 uint32_t total_recvs; 963 uint32_t total_nospaces; 964 uint32_t fragmentation_point; 965 uint16_t local_port; 966 uint16_t qlen; 967 uint16_t maxqlen; 968}; 969 970struct xsctp_tcb { 971 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 972 uint32_t last; 973 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 974 uint32_t state; /* sctpAssocEntry 8 */ 975 uint32_t in_streams; /* sctpAssocEntry 9 */ 976 uint32_t out_streams; /* sctpAssocEntry 10 */ 977 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 978 uint32_t primary_process; /* sctpAssocEntry 12 */ 979 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 980 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 981 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 982 uint32_t total_sends; 983 uint32_t total_recvs; 984 uint32_t local_tag; 985 uint32_t remote_tag; 986 uint32_t initial_tsn; 987 uint32_t highest_tsn; 988 uint32_t cumulative_tsn; 989 uint32_t cumulative_tsn_ack; 990 uint32_t mtu; 991 uint32_t refcnt; 992 uint16_t local_port; /* sctpAssocEntry 3 */ 993 uint16_t remote_port; /* sctpAssocEntry 4 */ 994 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 995 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 996}; 997 998struct xsctp_laddr { 999 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1000 uint32_t last; 1001 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1002}; 1003 1004struct xsctp_raddr { 1005 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1006 uint32_t last; 1007 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1008 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1009 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1010 uint32_t error_counter; /* */ 1011 uint32_t cwnd; /* */ 1012 uint32_t flight_size; /* */ 1013 uint32_t mtu; /* */ 1014 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1015 uint8_t confirmed; /* */ 1016 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1017 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1018}; 1019 1020#define SCTP_MAX_LOGGING_SIZE 30000 1021#define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1022 1023struct sctp_log_entry { 1024 u_int64_t timestamp; 1025 uint32_t subsys; 1026 uint32_t padding; 1027 uint32_t params[SCTP_TRACE_PARAMS]; 1028}; 1029 1030struct sctp_log { 1031 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1032 uint32_t index; 1033 uint32_t padding; 1034}; 1035 1036/* 1037 * Kernel defined for sctp_send 1038 */ 1039#if defined(_KERNEL) 1040int 1041sctp_lower_sosend(struct socket *so, 1042 struct sockaddr *addr, 1043 struct uio *uio, 1044 struct mbuf *i_pak, 1045 struct mbuf *control, 1046 int flags, 1047 int use_rcvinfo, 1048 struct sctp_sndrcvinfo *srcv 1049 ,struct thread *p 1050); 1051 1052int 1053sctp_sorecvmsg(struct socket *so, 1054 struct uio *uio, 1055 struct mbuf **mp, 1056 struct sockaddr *from, 1057 int fromlen, 1058 int *msg_flags, 1059 struct sctp_sndrcvinfo *sinfo, 1060 int filling_sinfo); 1061 1062#endif 1063 1064/* 1065 * API system calls 1066 */ 1067#if !(defined(_KERNEL)) 1068 1069__BEGIN_DECLS 1070int sctp_peeloff __P((int, sctp_assoc_t)); 1071int sctp_bindx __P((int, struct sockaddr *, int, int)); 1072int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1073int sctp_getaddrlen __P((sa_family_t)); 1074int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1075void sctp_freepaddrs __P((struct sockaddr *)); 1076int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1077void sctp_freeladdrs __P((struct sockaddr *)); 1078int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1079 1080ssize_t sctp_sendmsg 1081__P((int, const void *, size_t, 1082 const struct sockaddr *, 1083 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1084 1085 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 1086 const struct sctp_sndrcvinfo *sinfo, int flags)); 1087 1088 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len, 1089 struct sockaddr *addrs, int addrcnt, 1090 struct sctp_sndrcvinfo *sinfo, int flags)); 1091 1092 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, 1093 struct sockaddr *, int, 1094 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1095 1096 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa)); 1097 1098 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 1099 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1100 1101__END_DECLS 1102 1103#endif /* !_KERNEL */ 1104#endif /* !__sctp_uio_h__ */ 1105