sctp_uio.h revision 170462
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 170462 2007-06-09 13:46:57Z 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 <sys/time.h> 45#include <netinet/in.h> 46 47typedef uint32_t sctp_assoc_t; 48 49/* On/Off setup for subscription to events */ 50struct sctp_event_subscribe { 51 uint8_t sctp_data_io_event; 52 uint8_t sctp_association_event; 53 uint8_t sctp_address_event; 54 uint8_t sctp_send_failure_event; 55 uint8_t sctp_peer_error_event; 56 uint8_t sctp_shutdown_event; 57 uint8_t sctp_partial_delivery_event; 58 uint8_t sctp_adaptation_layer_event; 59 uint8_t sctp_authentication_event; 60 uint8_t sctp_stream_reset_events; 61}; 62 63/* ancillary data types */ 64#define SCTP_INIT 0x0001 65#define SCTP_SNDRCV 0x0002 66#define SCTP_EXTRCV 0x0003 67/* 68 * ancillary data structures 69 */ 70struct sctp_initmsg { 71 uint32_t sinit_num_ostreams; 72 uint32_t sinit_max_instreams; 73 uint16_t sinit_max_attempts; 74 uint16_t sinit_max_init_timeo; 75}; 76 77/* We add 96 bytes to the size of sctp_sndrcvinfo. 78 * This makes the current structure 128 bytes long 79 * which is nicely 64 bit aligned but also has room 80 * for us to add more and keep ABI compatability. 81 * For example, already we have the sctp_extrcvinfo 82 * when enabled which is 48 bytes. 83 */ 84 85/* 86 * The assoc up needs a verfid 87 * all sendrcvinfo's need a verfid for SENDING only. 88 */ 89 90 91#define SCTP_ALIGN_RESV_PAD 96 92#define SCTP_ALIGN_RESV_PAD_SHORT 80 93 94struct sctp_sndrcvinfo { 95 uint16_t sinfo_stream; 96 uint16_t sinfo_ssn; 97 uint16_t sinfo_flags; 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 struct sctp_sndrcvinfo sreinfo_sinfo; 109 uint16_t sreinfo_next_flags; 110 uint16_t sreinfo_next_stream; 111 uint32_t sreinfo_next_aid; 112 uint32_t sreinfo_next_length; 113 uint32_t sreinfo_next_ppid; 114 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 115}; 116 117#define SCTP_NO_NEXT_MSG 0x0000 118#define SCTP_NEXT_MSG_AVAIL 0x0001 119#define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 120#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 121#define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 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#define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \ 140 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 141 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR)) != 0) 142/* for the endpoint */ 143 144/* The lower byte is an enumeration of PR-SCTP policies */ 145#define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 146#define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 147#define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 148 149#define PR_SCTP_POLICY(x) ((x) & 0xff) 150#define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0) 151#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 152#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 153#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 154#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 155/* Stat's */ 156struct sctp_pcbinfo { 157 uint32_t ep_count; 158 uint32_t asoc_count; 159 uint32_t laddr_count; 160 uint32_t raddr_count; 161 uint32_t chk_count; 162 uint32_t readq_count; 163 uint32_t free_chunks; 164 uint32_t stream_oque; 165}; 166 167struct sctp_sockstat { 168 sctp_assoc_t ss_assoc_id; 169 uint32_t ss_total_sndbuf; 170 uint32_t ss_total_recv_buf; 171}; 172 173/* 174 * notification event structures 175 */ 176 177/* 178 * association change event 179 */ 180struct sctp_assoc_change { 181 uint16_t sac_type; 182 uint16_t sac_flags; 183 uint32_t sac_length; 184 uint16_t sac_state; 185 uint16_t sac_error; 186 uint16_t sac_outbound_streams; 187 uint16_t sac_inbound_streams; 188 sctp_assoc_t sac_assoc_id; 189}; 190 191/* sac_state values */ 192#define SCTP_COMM_UP 0x0001 193#define SCTP_COMM_LOST 0x0002 194#define SCTP_RESTART 0x0003 195#define SCTP_SHUTDOWN_COMP 0x0004 196#define SCTP_CANT_STR_ASSOC 0x0005 197 198 199/* 200 * Address event 201 */ 202struct sctp_paddr_change { 203 uint16_t spc_type; 204 uint16_t spc_flags; 205 uint32_t spc_length; 206 struct sockaddr_storage spc_aaddr; 207 uint32_t spc_state; 208 uint32_t spc_error; 209 sctp_assoc_t spc_assoc_id; 210}; 211 212/* paddr state values */ 213#define SCTP_ADDR_AVAILABLE 0x0001 214#define SCTP_ADDR_UNREACHABLE 0x0002 215#define SCTP_ADDR_REMOVED 0x0003 216#define SCTP_ADDR_ADDED 0x0004 217#define SCTP_ADDR_MADE_PRIM 0x0005 218#define SCTP_ADDR_CONFIRMED 0x0006 219 220/* 221 * CAUTION: these are user exposed SCTP addr reachability states must be 222 * compatible with SCTP_ADDR states in sctp_constants.h 223 */ 224#ifdef SCTP_ACTIVE 225#undef SCTP_ACTIVE 226#endif 227#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 228 229#ifdef SCTP_INACTIVE 230#undef SCTP_INACTIVE 231#endif 232#define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ 233 234#ifdef SCTP_UNCONFIRMED 235#undef SCTP_UNCONFIRMED 236#endif 237#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 238 239#ifdef SCTP_NOHEARTBEAT 240#undef SCTP_NOHEARTBEAT 241#endif 242#define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */ 243 244 245/* remote error events */ 246struct sctp_remote_error { 247 uint16_t sre_type; 248 uint16_t sre_flags; 249 uint32_t sre_length; 250 uint16_t sre_error; 251 sctp_assoc_t sre_assoc_id; 252 uint8_t sre_data[4]; 253}; 254 255/* data send failure event */ 256struct sctp_send_failed { 257 uint16_t ssf_type; 258 uint16_t ssf_flags; 259 uint32_t ssf_length; 260 uint32_t ssf_error; 261 struct sctp_sndrcvinfo ssf_info; 262 sctp_assoc_t ssf_assoc_id; 263 uint8_t ssf_data[0]; 264}; 265 266/* flag that indicates state of data */ 267#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 268#define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 269 270/* shutdown event */ 271struct sctp_shutdown_event { 272 uint16_t sse_type; 273 uint16_t sse_flags; 274 uint32_t sse_length; 275 sctp_assoc_t sse_assoc_id; 276}; 277 278/* Adaptation layer indication stuff */ 279struct sctp_adaptation_event { 280 uint16_t sai_type; 281 uint16_t sai_flags; 282 uint32_t sai_length; 283 uint32_t sai_adaptation_ind; 284 sctp_assoc_t sai_assoc_id; 285}; 286 287struct sctp_setadaptation { 288 uint32_t ssb_adaptation_ind; 289}; 290 291/* compatable old spelling */ 292struct sctp_adaption_event { 293 uint16_t sai_type; 294 uint16_t sai_flags; 295 uint32_t sai_length; 296 uint32_t sai_adaption_ind; 297 sctp_assoc_t sai_assoc_id; 298}; 299 300struct sctp_setadaption { 301 uint32_t ssb_adaption_ind; 302}; 303 304 305/* 306 * Partial Delivery API event 307 */ 308struct sctp_pdapi_event { 309 uint16_t pdapi_type; 310 uint16_t pdapi_flags; 311 uint32_t pdapi_length; 312 uint32_t pdapi_indication; 313 uint16_t pdapi_stream; 314 uint16_t pdapi_seq; 315 sctp_assoc_t pdapi_assoc_id; 316}; 317 318/* indication values */ 319#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 320 321 322/* 323 * authentication key event 324 */ 325struct sctp_authkey_event { 326 uint16_t auth_type; 327 uint16_t auth_flags; 328 uint32_t auth_length; 329 uint16_t auth_keynumber; 330 uint16_t auth_altkeynumber; 331 uint32_t auth_indication; 332 sctp_assoc_t auth_assoc_id; 333}; 334 335/* indication values */ 336#define SCTP_AUTH_NEWKEY 0x0001 337 338 339/* 340 * stream reset event 341 */ 342struct sctp_stream_reset_event { 343 uint16_t strreset_type; 344 uint16_t strreset_flags; 345 uint32_t strreset_length; 346 sctp_assoc_t strreset_assoc_id; 347 uint16_t strreset_list[0]; 348}; 349 350/* flags in strreset_flags field */ 351#define SCTP_STRRESET_INBOUND_STR 0x0001 352#define SCTP_STRRESET_OUTBOUND_STR 0x0002 353#define SCTP_STRRESET_ALL_STREAMS 0x0004 354#define SCTP_STRRESET_STREAM_LIST 0x0008 355#define SCTP_STRRESET_FAILED 0x0010 356 357 358/* SCTP notification event */ 359struct sctp_tlv { 360 uint16_t sn_type; 361 uint16_t sn_flags; 362 uint32_t sn_length; 363}; 364 365union sctp_notification { 366 struct sctp_tlv sn_header; 367 struct sctp_assoc_change sn_assoc_change; 368 struct sctp_paddr_change sn_paddr_change; 369 struct sctp_remote_error sn_remote_error; 370 struct sctp_send_failed sn_send_failed; 371 struct sctp_shutdown_event sn_shutdown_event; 372 struct sctp_adaptation_event sn_adaptation_event; 373 /* compatability same as above */ 374 struct sctp_adaption_event sn_adaption_event; 375 struct sctp_pdapi_event sn_pdapi_event; 376 struct sctp_authkey_event sn_auth_event; 377 struct sctp_stream_reset_event sn_strreset_event; 378}; 379 380/* notification types */ 381#define SCTP_ASSOC_CHANGE 0x0001 382#define SCTP_PEER_ADDR_CHANGE 0x0002 383#define SCTP_REMOTE_ERROR 0x0003 384#define SCTP_SEND_FAILED 0x0004 385#define SCTP_SHUTDOWN_EVENT 0x0005 386#define SCTP_ADAPTATION_INDICATION 0x0006 387/* same as above */ 388#define SCTP_ADAPTION_INDICATION 0x0006 389#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 390#define SCTP_AUTHENTICATION_EVENT 0x0008 391#define SCTP_STREAM_RESET_EVENT 0x0009 392 393 394/* 395 * socket option structs 396 */ 397 398struct sctp_paddrparams { 399 sctp_assoc_t spp_assoc_id; 400 struct sockaddr_storage spp_address; 401 uint32_t spp_hbinterval; 402 uint16_t spp_pathmaxrxt; 403 uint32_t spp_pathmtu; 404 uint32_t spp_flags; 405 uint32_t spp_ipv6_flowlabel; 406 uint8_t spp_ipv4_tos; 407 408}; 409 410#define SPP_HB_ENABLE 0x00000001 411#define SPP_HB_DISABLE 0x00000002 412#define SPP_HB_DEMAND 0x00000004 413#define SPP_PMTUD_ENABLE 0x00000008 414#define SPP_PMTUD_DISABLE 0x00000010 415#define SPP_HB_TIME_IS_ZERO 0x00000080 416#define SPP_IPV6_FLOWLABEL 0x00000100 417#define SPP_IPV4_TOS 0x00000200 418 419struct sctp_paddrinfo { 420 sctp_assoc_t spinfo_assoc_id; 421 struct sockaddr_storage spinfo_address; 422 int32_t spinfo_state; 423 uint32_t spinfo_cwnd; 424 uint32_t spinfo_srtt; 425 uint32_t spinfo_rto; 426 uint32_t spinfo_mtu; 427}; 428 429struct sctp_rtoinfo { 430 sctp_assoc_t srto_assoc_id; 431 uint32_t srto_initial; 432 uint32_t srto_max; 433 uint32_t srto_min; 434}; 435 436struct sctp_assocparams { 437 sctp_assoc_t sasoc_assoc_id; 438 uint16_t sasoc_asocmaxrxt; 439 uint16_t sasoc_number_peer_destinations; 440 uint32_t sasoc_peer_rwnd; 441 uint32_t sasoc_local_rwnd; 442 uint32_t sasoc_cookie_life; 443}; 444 445struct sctp_setprim { 446 sctp_assoc_t ssp_assoc_id; 447 struct sockaddr_storage ssp_addr; 448}; 449 450struct sctp_setpeerprim { 451 sctp_assoc_t sspp_assoc_id; 452 struct sockaddr_storage sspp_addr; 453}; 454 455struct sctp_getaddresses { 456 sctp_assoc_t sget_assoc_id; 457 /* addr is filled in for N * sockaddr_storage */ 458 struct sockaddr addr[1]; 459}; 460 461struct sctp_setstrm_timeout { 462 sctp_assoc_t ssto_assoc_id; 463 uint32_t ssto_timeout; 464 uint32_t ssto_streamid_start; 465 uint32_t ssto_streamid_end; 466}; 467 468struct sctp_status { 469 sctp_assoc_t sstat_assoc_id; 470 int32_t sstat_state; 471 uint32_t sstat_rwnd; 472 uint16_t sstat_unackdata; 473 uint16_t sstat_penddata; 474 uint16_t sstat_instrms; 475 uint16_t sstat_outstrms; 476 uint32_t sstat_fragmentation_point; 477 struct sctp_paddrinfo sstat_primary; 478}; 479 480/* 481 * AUTHENTICATION support 482 */ 483/* SCTP_AUTH_CHUNK */ 484struct sctp_authchunk { 485 uint8_t sauth_chunk; 486}; 487 488/* SCTP_AUTH_KEY */ 489struct sctp_authkey { 490 sctp_assoc_t sca_assoc_id; 491 uint16_t sca_keynumber; 492 uint8_t sca_key[0]; 493}; 494 495/* SCTP_HMAC_IDENT */ 496struct sctp_hmacalgo { 497 uint16_t shmac_idents[0]; 498}; 499 500/* AUTH hmac_id */ 501#define SCTP_AUTH_HMAC_ID_RSVD 0x0000 502#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 503#define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ 504#define SCTP_AUTH_HMAC_ID_SHA256 0x0003 505#define SCTP_AUTH_HMAC_ID_SHA224 0x8001 506#define SCTP_AUTH_HMAC_ID_SHA384 0x8002 507#define SCTP_AUTH_HMAC_ID_SHA512 0x8003 508 509 510/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 511struct sctp_authkeyid { 512 sctp_assoc_t scact_assoc_id; 513 uint16_t scact_keynumber; 514}; 515 516/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 517struct sctp_authchunks { 518 sctp_assoc_t gauth_assoc_id; 519 uint8_t gauth_chunks[0]; 520}; 521 522struct sctp_assoc_value { 523 sctp_assoc_t assoc_id; 524 uint32_t assoc_value; 525}; 526 527struct sctp_assoc_ids { 528 sctp_assoc_t gaids_assoc_id[0]; 529}; 530 531struct sctp_sack_info { 532 sctp_assoc_t sack_assoc_id; 533 uint32_t sack_delay; 534 uint32_t sack_freq; 535}; 536 537struct sctp_cwnd_args { 538 struct sctp_nets *net; /* network to */ 539 uint32_t cwnd_new_value;/* cwnd in k */ 540 uint32_t inflight; /* flightsize in k */ 541 uint32_t pseudo_cumack; 542 int cwnd_augment; /* increment to it */ 543 uint8_t meets_pseudo_cumack; 544 uint8_t need_new_pseudo_cumack; 545 uint8_t cnt_in_send; 546 uint8_t cnt_in_str; 547}; 548 549struct sctp_blk_args { 550 uint32_t onsb; /* in 1k bytes */ 551 uint32_t sndlen; /* len of send being attempted */ 552 uint32_t peer_rwnd; /* rwnd of peer */ 553 uint16_t send_sent_qcnt;/* chnk cnt */ 554 uint16_t stream_qcnt; /* chnk cnt */ 555 uint16_t chunks_on_oque;/* chunks out */ 556 uint16_t flight_size; /* flight size in k */ 557}; 558 559/* 560 * Max we can reset in one setting, note this is dictated not by the define 561 * but the size of a mbuf cluster so don't change this define and think you 562 * can specify more. You must do multiple resets if you want to reset more 563 * than SCTP_MAX_EXPLICIT_STR_RESET. 564 */ 565#define SCTP_MAX_EXPLICT_STR_RESET 1000 566 567#define SCTP_RESET_LOCAL_RECV 0x0001 568#define SCTP_RESET_LOCAL_SEND 0x0002 569#define SCTP_RESET_BOTH 0x0003 570#define SCTP_RESET_TSN 0x0004 571 572struct sctp_stream_reset { 573 sctp_assoc_t strrst_assoc_id; 574 uint16_t strrst_flags; 575 uint16_t strrst_num_streams; /* 0 == ALL */ 576 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */ 577}; 578 579 580struct sctp_get_nonce_values { 581 sctp_assoc_t gn_assoc_id; 582 uint32_t gn_peers_tag; 583 uint32_t gn_local_tag; 584}; 585 586/* Debugging logs */ 587struct sctp_str_log { 588 void *stcb; 589 uint32_t n_tsn; 590 uint32_t e_tsn; 591 uint16_t n_sseq; 592 uint16_t e_sseq; 593 uint16_t strm; 594}; 595 596struct sctp_sb_log { 597 void *stcb; 598 uint32_t so_sbcc; 599 uint32_t stcb_sbcc; 600 uint32_t incr; 601}; 602 603struct sctp_fr_log { 604 uint32_t largest_tsn; 605 uint32_t largest_new_tsn; 606 uint32_t tsn; 607}; 608 609struct sctp_fr_map { 610 uint32_t base; 611 uint32_t cum; 612 uint32_t high; 613}; 614 615struct sctp_rwnd_log { 616 uint32_t rwnd; 617 uint32_t send_size; 618 uint32_t overhead; 619 uint32_t new_rwnd; 620}; 621 622struct sctp_mbcnt_log { 623 uint32_t total_queue_size; 624 uint32_t size_change; 625 uint32_t total_queue_mb_size; 626 uint32_t mbcnt_change; 627}; 628 629struct sctp_sack_log { 630 uint32_t cumack; 631 uint32_t oldcumack; 632 uint32_t tsn; 633 uint16_t numGaps; 634 uint16_t numDups; 635}; 636 637struct sctp_lock_log { 638 void *sock; 639 void *inp; 640 uint8_t tcb_lock; 641 uint8_t inp_lock; 642 uint8_t info_lock; 643 uint8_t sock_lock; 644 uint8_t sockrcvbuf_lock; 645 uint8_t socksndbuf_lock; 646 uint8_t create_lock; 647 uint8_t resv; 648}; 649 650struct sctp_rto_log { 651 void *net; 652 uint32_t rtt; 653}; 654 655struct sctp_nagle_log { 656 void *stcb; 657 uint32_t total_flight; 658 uint32_t total_in_queue; 659 uint16_t count_in_queue; 660 uint16_t count_in_flight; 661}; 662 663struct sctp_sbwake_log { 664 void *stcb; 665 uint16_t send_q; 666 uint16_t sent_q; 667 uint16_t flight; 668 uint16_t wake_cnt; 669 uint8_t stream_qcnt; /* chnk cnt */ 670 uint8_t chunks_on_oque; /* chunks out */ 671 uint8_t sbflags; 672 uint8_t sctpflags; 673}; 674 675struct sctp_misc_info { 676 uint32_t log1; 677 uint32_t log2; 678 uint32_t log3; 679 uint32_t log4; 680}; 681 682struct sctp_log_closing { 683 void *inp; 684 void *stcb; 685 uint32_t sctp_flags; 686 uint16_t state; 687 int16_t loc; 688}; 689 690struct sctp_mbuf_log { 691 struct mbuf *mp; 692 caddr_t ext; 693 caddr_t data; 694 uint16_t size; 695 uint8_t refcnt; 696 uint8_t mbuf_flags; 697}; 698 699struct sctp_cwnd_log { 700 uint32_t time_event; 701 uint8_t from; 702 uint8_t event_type; 703 uint8_t resv[2]; 704 union { 705 struct sctp_log_closing close; 706 struct sctp_blk_args blk; 707 struct sctp_cwnd_args cwnd; 708 struct sctp_str_log strlog; 709 struct sctp_fr_log fr; 710 struct sctp_fr_map map; 711 struct sctp_rwnd_log rwnd; 712 struct sctp_mbcnt_log mbcnt; 713 struct sctp_sack_log sack; 714 struct sctp_lock_log lock; 715 struct sctp_rto_log rto; 716 struct sctp_sb_log sb; 717 struct sctp_nagle_log nagle; 718 struct sctp_sbwake_log wake; 719 struct sctp_mbuf_log mb; 720 struct sctp_misc_info misc; 721 } x; 722}; 723 724struct sctp_cwnd_log_req { 725 int num_in_log; /* Number in log */ 726 int num_ret; /* Number returned */ 727 int start_at; /* start at this one */ 728 int end_at; /* end at this one */ 729 struct sctp_cwnd_log log[0]; 730}; 731 732struct sctpstat { 733 /* MIB according to RFC 3873 */ 734 u_long sctps_currestab; /* sctpStats 1 (Gauge32) */ 735 u_long sctps_activeestab; /* sctpStats 2 (Counter32) */ 736 u_long sctps_restartestab; 737 u_long sctps_collisionestab; 738 u_long sctps_passiveestab; /* sctpStats 3 (Counter32) */ 739 u_long sctps_aborted; /* sctpStats 4 (Counter32) */ 740 u_long sctps_shutdown; /* sctpStats 5 (Counter32) */ 741 u_long sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 742 u_long sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 743 u_long sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 744 u_long sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 745 u_long sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 746 u_long sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 747 u_long sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 748 u_long sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 749 u_long sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 750 u_long sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 751 u_long sctps_outpackets;/* sctpStats 16 (Counter64) */ 752 u_long sctps_inpackets; /* sctpStats 17 (Counter64) */ 753 struct timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 754 /* input statistics: */ 755 u_long sctps_recvpackets; /* total input packets */ 756 u_long sctps_recvdatagrams; /* total input datagrams */ 757 u_long sctps_recvpktwithdata; /* total packets that had data */ 758 u_long sctps_recvsacks; /* total input SACK chunks */ 759 u_long sctps_recvdata; /* total input DATA chunks */ 760 u_long sctps_recvdupdata; /* total input duplicate DATA chunks */ 761 u_long sctps_recvheartbeat; /* total input HB chunks */ 762 u_long sctps_recvheartbeatack; /* total input HB-ACK chunks */ 763 u_long sctps_recvecne; /* total input ECNE chunks */ 764 u_long sctps_recvauth; /* total input AUTH chunks */ 765 u_long sctps_recvauthmissing; /* total input chunks missing AUTH */ 766 u_long sctps_recvivalhmacid; /* total number of invalid HMAC ids 767 * received */ 768 u_long sctps_recvivalkeyid; /* total number of invalid secret ids 769 * received */ 770 u_long sctps_recvauthfailed; /* total number of auth failed */ 771 u_long sctps_recvexpress; /* total fast path receives all one 772 * chunk */ 773 u_long sctps_recvexpressm; /* total fast path multi-part data */ 774 /* output statistics: */ 775 u_long sctps_sendpackets; /* total output packets */ 776 u_long sctps_sendsacks; /* total output SACKs */ 777 u_long sctps_senddata; /* total output DATA chunks */ 778 u_long sctps_sendretransdata; /* total output retransmitted DATA 779 * chunks */ 780 u_long sctps_sendfastretrans; /* total output fast retransmitted 781 * DATA chunks */ 782 u_long sctps_sendmultfastretrans; /* total FR's that happened 783 * more than once to same 784 * chunk (u-del multi-fr 785 * algo). */ 786 u_long sctps_sendheartbeat; /* total output HB chunks */ 787 u_long sctps_sendecne; /* total output ECNE chunks */ 788 u_long sctps_sendauth; /* total output AUTH chunks FIXME */ 789 u_long sctps_senderrors;/* ip_output error counter */ 790 /* PCKDROPREP statistics: */ 791 u_long sctps_pdrpfmbox; /* Packet drop from middle box */ 792 u_long sctps_pdrpfehos; /* P-drop from end host */ 793 u_long sctps_pdrpmbda; /* P-drops with data */ 794 u_long sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ 795 u_long sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */ 796 u_long sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 797 u_long sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 798 u_long sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */ 799 u_long sctps_pdrptsnnf; /* P-drop, could not find TSN */ 800 u_long sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 801 u_long sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 802 u_long sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 803 u_long sctps_pdrpbadd; /* P-drop, data did not match TSN */ 804 u_long sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */ 805 /* timeouts */ 806 u_long sctps_timoiterator; /* Number of iterator timers that 807 * fired */ 808 u_long sctps_timodata; /* Number of T3 data time outs */ 809 u_long sctps_timowindowprobe; /* Number of window probe (T3) timers 810 * that fired */ 811 u_long sctps_timoinit; /* Number of INIT timers that fired */ 812 u_long sctps_timosack; /* Number of sack timers that fired */ 813 u_long sctps_timoshutdown; /* Number of shutdown timers that 814 * fired */ 815 u_long sctps_timoheartbeat; /* Number of heartbeat timers that 816 * fired */ 817 u_long sctps_timocookie;/* Number of times a cookie timeout fired */ 818 u_long sctps_timosecret;/* Number of times an endpoint changed its 819 * cookie secret */ 820 u_long sctps_timopathmtu; /* Number of PMTU timers that fired */ 821 u_long sctps_timoshutdownack; /* Number of shutdown ack timers that 822 * fired */ 823 u_long sctps_timoshutdownguard; /* Number of shutdown guard timers 824 * that fired */ 825 u_long sctps_timostrmrst; /* Number of stream reset timers that 826 * fired */ 827 u_long sctps_timoearlyfr; /* Number of early FR timers that 828 * fired */ 829 u_long sctps_timoasconf;/* Number of times an asconf timer fired */ 830 u_long sctps_timoautoclose; /* Number of times auto close timer 831 * fired */ 832 u_long sctps_timoassockill; /* Number of asoc free timers expired */ 833 u_long sctps_timoinpkill; /* Number of inp free timers expired */ 834 /* Early fast retransmission counters */ 835 u_long sctps_earlyfrstart; 836 u_long sctps_earlyfrstop; 837 u_long sctps_earlyfrmrkretrans; 838 u_long sctps_earlyfrstpout; 839 u_long sctps_earlyfrstpidsck1; 840 u_long sctps_earlyfrstpidsck2; 841 u_long sctps_earlyfrstpidsck3; 842 u_long sctps_earlyfrstpidsck4; 843 u_long sctps_earlyfrstrid; 844 u_long sctps_earlyfrstrout; 845 u_long sctps_earlyfrstrtmr; 846 /* otheres */ 847 u_long sctps_hdrops; /* packet shorter than header */ 848 u_long sctps_badsum; /* checksum error */ 849 u_long sctps_noport; /* no endpoint for port */ 850 u_long sctps_badvtag; /* bad v-tag */ 851 u_long sctps_badsid; /* bad SID */ 852 u_long sctps_nomem; /* no memory */ 853 u_long sctps_fastretransinrtt; /* number of multiple FR in a RTT 854 * window */ 855 u_long sctps_markedretrans; 856 u_long sctps_naglesent; /* nagle allowed sending */ 857 u_long sctps_naglequeued; /* nagle does't allow sending */ 858 u_long sctps_maxburstqueued; /* max burst dosn't allow sending */ 859 u_long sctps_ifnomemqueued; /* look ahead tells us no memory in 860 * interface ring buffer OR we had a 861 * send error and are queuing one 862 * send. */ 863 u_long sctps_windowprobed; /* total number of window probes sent */ 864 u_long sctps_lowlevelerr; /* total times an output error causes 865 * us to clamp down on next user send. */ 866 u_long sctps_lowlevelerrusr; /* total times sctp_senderrors were 867 * caused from a user send from a user 868 * invoked send not a sack response */ 869 u_long sctps_datadropchklmt; /* Number of in data drops due to 870 * chunk limit reached */ 871 u_long sctps_datadroprwnd; /* Number of in data drops due to rwnd 872 * limit reached */ 873 u_long sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 874 * cwnd */ 875 u_long sctps_vtagexpress; /* Used express lookup via vtag */ 876 u_long sctps_vtagbogus; /* Collision in express lookup. */ 877 u_long sctps_primary_randry; /* Number of times the sender ran dry 878 * of user data on primary */ 879 u_long sctps_cmt_randry;/* Same for above */ 880 u_long sctps_slowpath_sack; /* Sacks the slow way */ 881 u_long sctps_wu_sacks_sent; /* Window Update only sacks sent */ 882 u_long sctps_sends_with_flags; /* number of sends with sinfo_flags 883 * !=0 */ 884 u_long sctps_sends_with_unord /* number of undordered sends */ ; 885 u_long sctps_sends_with_eof; /* number of sends with EOF flag set */ 886 u_long sctps_sends_with_abort; /* number of sends with ABORT flag set */ 887 u_long sctps_protocol_drain_calls; /* number of times protocol 888 * drain called */ 889 u_long sctps_protocol_drains_done; /* number of times we did a 890 * protocol drain */ 891 u_long sctps_read_peeks;/* Number of times recv was called with peek */ 892 u_long sctps_cached_chk;/* Number of cached chunks used */ 893 u_long sctps_cached_strmoq; /* Number of cached stream oq's used */ 894 u_long sctps_left_abandon; /* Number of unread message abandonded 895 * by close */ 896 u_long sctps_send_burst_avoid; /* Send burst avoidance, already max 897 * burst inflight to net */ 898 u_long sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 899 * max burst inflight to net */ 900 u_long sctps_fwdtsn_map_over; /* number of map array over-runs via 901 * fwd-tsn's */ 902}; 903 904#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 905#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 906#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_long(&sctpstat._x, _d) 907#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_long(&sctpstat._x, _d) 908/* The following macros are for handling MIB values, */ 909#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 910#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 911#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 912#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 913#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 914#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 915 916union sctp_sockstore { 917#if defined(INET) || !defined(_KERNEL) 918 struct sockaddr_in sin; 919#endif 920#if defined(INET6) || !defined(_KERNEL) 921 struct sockaddr_in6 sin6; 922#endif 923 struct sockaddr sa; 924}; 925 926struct xsctp_inpcb { 927 uint32_t last; 928 uint16_t local_port; 929 uint32_t flags; 930 uint32_t features; 931 uint32_t total_sends; 932 uint32_t total_recvs; 933 uint32_t total_nospaces; 934 uint32_t fragmentation_point; 935 uint16_t qlen; 936 uint16_t maxqlen; 937 /* add more endpoint specific data here */ 938}; 939 940struct xsctp_tcb { 941 uint32_t last; 942 uint16_t local_port; /* sctpAssocEntry 3 */ 943 uint16_t remote_port; /* sctpAssocEntry 4 */ 944 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 945 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 946 uint32_t state; /* sctpAssocEntry 8 */ 947 uint32_t in_streams; /* sctpAssocEntry 9 */ 948 uint32_t out_streams; /* sctpAssocEntry 10 */ 949 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 950 uint32_t primary_process; /* sctpAssocEntry 12 */ 951 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 952 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 953 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 954 struct timeval start_time; /* sctpAssocEntry 16 */ 955 struct timeval discontinuity_time; /* sctpAssocEntry 17 */ 956 uint32_t total_sends; 957 uint32_t total_recvs; 958 uint32_t local_tag; 959 uint32_t remote_tag; 960 uint32_t initial_tsn; 961 uint32_t highest_tsn; 962 uint32_t cumulative_tsn; 963 uint32_t cumulative_tsn_ack; 964 uint32_t mtu; 965 uint32_t refcnt; 966 /* add more association specific data here */ 967}; 968 969struct xsctp_laddr { 970 uint32_t last; 971 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 972 struct timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 973 /* add more local address specific data */ 974}; 975 976struct xsctp_raddr { 977 uint32_t last; 978 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 979 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 980 uint8_t confirmed; /* */ 981 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 982 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 983 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 984 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 985 uint32_t error_counter; /* */ 986 uint32_t cwnd; /* */ 987 uint32_t flight_size; /* */ 988 uint32_t mtu; /* */ 989 struct timeval start_time; /* sctpAssocLocalRemEntry 8 */ 990 /* add more remote address specific data */ 991}; 992 993/* 994 * Kernel defined for sctp_send 995 */ 996#if defined(_KERNEL) 997int 998sctp_lower_sosend(struct socket *so, 999 struct sockaddr *addr, 1000 struct uio *uio, 1001 struct mbuf *i_pak, 1002 struct mbuf *control, 1003 int flags, 1004 int use_rcvinfo, 1005 struct sctp_sndrcvinfo *srcv 1006 ,struct thread *p 1007); 1008 1009int 1010sctp_sorecvmsg(struct socket *so, 1011 struct uio *uio, 1012 struct mbuf **mp, 1013 struct sockaddr *from, 1014 int fromlen, 1015 int *msg_flags, 1016 struct sctp_sndrcvinfo *sinfo, 1017 int filling_sinfo); 1018 1019#endif 1020 1021/* 1022 * API system calls 1023 */ 1024#if !(defined(_KERNEL)) 1025 1026__BEGIN_DECLS 1027int sctp_peeloff __P((int, sctp_assoc_t)); 1028int sctp_bindx __P((int, struct sockaddr *, int, int)); 1029int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1030int sctp_getaddrlen __P((sa_family_t)); 1031int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1032void sctp_freepaddrs __P((struct sockaddr *)); 1033int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1034void sctp_freeladdrs __P((struct sockaddr *)); 1035int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1036 1037ssize_t sctp_sendmsg 1038__P((int, const void *, size_t, 1039 const struct sockaddr *, 1040 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1041 1042 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 1043 const struct sctp_sndrcvinfo *sinfo, int flags)); 1044 1045 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len, 1046 struct sockaddr *addrs, int addrcnt, 1047 struct sctp_sndrcvinfo *sinfo, int flags)); 1048 1049 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, 1050 struct sockaddr *, int, 1051 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1052 1053 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa)); 1054 1055 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 1056 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1057 1058__END_DECLS 1059 1060#endif /* !_KERNEL */ 1061#endif /* !__sctp_uio_h__ */ 1062