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("$FreeBSD$"); 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 48 typedef uint32_t sctp_assoc_t; 49 50 /* On/Off setup for subscription to events */ 51 struct sctp_event_subscribe { 52 uint8_t sctp_data_io_event; 53 uint8_t sctp_association_event; 54 uint8_t sctp_address_event; 55 uint8_t sctp_send_failure_event; 56 uint8_t sctp_peer_error_event; 57 uint8_t sctp_shutdown_event; 58 uint8_t sctp_partial_delivery_event; 59 uint8_t sctp_adaptation_layer_event; 60 uint8_t sctp_authentication_event; 61 uint8_t sctp_stream_reset_events; 62 }; 63 64 /* ancillary data types */ 65 #define SCTP_INIT 0x0001 66 #define SCTP_SNDRCV 0x0002 67 #define SCTP_EXTRCV 0x0003 68 /* 69 * ancillary data structures 70 */ 71 struct sctp_initmsg { 72 uint32_t sinit_num_ostreams; 73 uint32_t sinit_max_instreams; 74 uint16_t sinit_max_attempts; 75 uint16_t sinit_max_init_timeo; 76 }; 77 78 /* We add 96 bytes to the size of sctp_sndrcvinfo. 79 * This makes the current structure 128 bytes long 80 * which is nicely 64 bit aligned but also has room 81 * for us to add more and keep ABI compatability. 82 * For example, already we have the sctp_extrcvinfo 83 * when enabled which is 48 bytes. 84 */ 85 86 #define SCTP_ALIGN_RESV_PAD 96 87 88 struct 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 }; 100 101 struct 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 122 123 struct 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 */ 156 struct 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 }; 166 167 struct 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 */ 180 struct 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 */ 202 struct 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 */ 246 struct 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 */ 256 struct 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[4]; 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 */ 271 struct 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 */ 279 struct 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 }; 286 287 struct sctp_setadaptation { 288 uint32_t ssb_adaptation_ind; 289 }; 290 291 /* compatable old spelling */ 292 struct 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 }; 299 300 struct sctp_setadaption { 301 uint32_t ssb_adaption_ind; 302 }; 303 304 305 /* 306 * Partial Delivery API event 307 */ 308 struct sctp_pdapi_event { 309 uint16_t pdapi_type; 310 uint16_t pdapi_flags; 311 uint32_t pdapi_length; 312 uint32_t pdapi_indication; 313 sctp_assoc_t pdapi_assoc_id; 314 }; 315 316 /* indication values */ 317 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 318 319 320 /* 321 * authentication key event 322 */ 323 struct sctp_authkey_event { 324 uint16_t auth_type; 325 uint16_t auth_flags; 326 uint32_t auth_length; 327 uint16_t auth_keynumber; 328 uint16_t auth_altkeynumber; 329 uint32_t auth_indication; 330 sctp_assoc_t auth_assoc_id; 331 }; 332 333 /* indication values */ 334 #define SCTP_AUTH_NEWKEY 0x0001 335 336 337 /* 338 * stream reset event 339 */ 340 struct sctp_stream_reset_event { 341 uint16_t strreset_type; 342 uint16_t strreset_flags; 343 uint32_t strreset_length; 344 sctp_assoc_t strreset_assoc_id; 345 uint16_t strreset_list[0]; 346 }; 347 348 /* flags in strreset_flags field */ 349 #define SCTP_STRRESET_INBOUND_STR 0x0001 350 #define SCTP_STRRESET_OUTBOUND_STR 0x0002 351 #define SCTP_STRRESET_ALL_STREAMS 0x0004 352 #define SCTP_STRRESET_STREAM_LIST 0x0008 353 #define SCTP_STRRESET_FAILED 0x0010 354 355 356 /* SCTP notification event */ 357 struct sctp_tlv { 358 uint16_t sn_type; 359 uint16_t sn_flags; 360 uint32_t sn_length; 361 }; 362 363 union sctp_notification { 364 struct sctp_tlv sn_header; 365 struct sctp_assoc_change sn_assoc_change; 366 struct sctp_paddr_change sn_paddr_change; 367 struct sctp_remote_error sn_remote_error; 368 struct sctp_send_failed sn_send_failed; 369 struct sctp_shutdown_event sn_shutdown_event; 370 struct sctp_adaptation_event sn_adaptation_event; 371 /* compatability same as above */ 372 struct sctp_adaption_event sn_adaption_event; 373 struct sctp_pdapi_event sn_pdapi_event; 374 struct sctp_authkey_event sn_auth_event; 375 struct sctp_stream_reset_event sn_strreset_event; 376 }; 377 378 /* notification types */ 379 #define SCTP_ASSOC_CHANGE 0x0001 380 #define SCTP_PEER_ADDR_CHANGE 0x0002 381 #define SCTP_REMOTE_ERROR 0x0003 382 #define SCTP_SEND_FAILED 0x0004 383 #define SCTP_SHUTDOWN_EVENT 0x0005 384 #define SCTP_ADAPTATION_INDICATION 0x0006 385 /* same as above */ 386 #define SCTP_ADAPTION_INDICATION 0x0006 387 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 388 #define SCTP_AUTHENTICATION_EVENT 0x0008 389 #define SCTP_STREAM_RESET_EVENT 0x0009 390 391 392 /* 393 * socket option structs 394 */ 395 396 struct sctp_paddrparams { 397 sctp_assoc_t spp_assoc_id; 398 struct sockaddr_storage spp_address; 399 uint32_t spp_hbinterval; 400 uint16_t spp_pathmaxrxt; 401 uint32_t spp_pathmtu; 402 uint32_t spp_sackdelay; 403 uint32_t spp_flags; 404 uint32_t spp_ipv6_flowlabel; 405 uint8_t spp_ipv4_tos; 406 407 }; 408 409 #define SPP_HB_ENABLE 0x00000001 410 #define SPP_HB_DISABLE 0x00000002 411 #define SPP_HB_DEMAND 0x00000004 412 #define SPP_PMTUD_ENABLE 0x00000008 413 #define SPP_PMTUD_DISABLE 0x00000010 414 #define SPP_SACKDELAY_ENABLE 0x00000020 415 #define SPP_SACKDELAY_DISABLE 0x00000040 416 #define SPP_HB_TIME_IS_ZERO 0x00000080 417 #define SPP_IPV6_FLOWLABEL 0x00000100 418 #define SPP_IPV4_TOS 0x00000200 419 420 struct sctp_paddrinfo { 421 sctp_assoc_t spinfo_assoc_id; 422 struct sockaddr_storage spinfo_address; 423 int32_t spinfo_state; 424 uint32_t spinfo_cwnd; 425 uint32_t spinfo_srtt; 426 uint32_t spinfo_rto; 427 uint32_t spinfo_mtu; 428 }; 429 430 struct sctp_rtoinfo { 431 sctp_assoc_t srto_assoc_id; 432 uint32_t srto_initial; 433 uint32_t srto_max; 434 uint32_t srto_min; 435 }; 436 437 struct sctp_assocparams { 438 sctp_assoc_t sasoc_assoc_id; 439 uint16_t sasoc_asocmaxrxt; 440 uint16_t sasoc_number_peer_destinations; 441 uint32_t sasoc_peer_rwnd; 442 uint32_t sasoc_local_rwnd; 443 uint32_t sasoc_cookie_life; 444 }; 445 446 struct sctp_setprim { 447 sctp_assoc_t ssp_assoc_id; 448 struct sockaddr_storage ssp_addr; 449 }; 450 451 struct sctp_setpeerprim { 452 sctp_assoc_t sspp_assoc_id; 453 struct sockaddr_storage sspp_addr; 454 }; 455 456 struct sctp_getaddresses { 457 sctp_assoc_t sget_assoc_id; 458 /* addr is filled in for N * sockaddr_storage */ 459 struct sockaddr addr[1]; 460 }; 461 462 struct sctp_setstrm_timeout { 463 sctp_assoc_t ssto_assoc_id; 464 uint32_t ssto_timeout; 465 uint32_t ssto_streamid_start; 466 uint32_t ssto_streamid_end; 467 }; 468 469 struct sctp_status { 470 sctp_assoc_t sstat_assoc_id; 471 int32_t sstat_state; 472 uint32_t sstat_rwnd; 473 uint16_t sstat_unackdata; 474 uint16_t sstat_penddata; 475 uint16_t sstat_instrms; 476 uint16_t sstat_outstrms; 477 uint32_t sstat_fragmentation_point; 478 struct sctp_paddrinfo sstat_primary; 479 }; 480 481 /* 482 * AUTHENTICATION support 483 */ 484 /* SCTP_AUTH_CHUNK */ 485 struct sctp_authchunk { 486 uint8_t sauth_chunk; 487 }; 488 489 /* SCTP_AUTH_KEY */ 490 struct sctp_authkey { 491 sctp_assoc_t sca_assoc_id; 492 uint16_t sca_keynumber; 493 uint8_t sca_key[0]; 494 }; 495 496 /* SCTP_HMAC_IDENT */ 497 struct sctp_hmacalgo { 498 uint16_t shmac_idents[0]; 499 }; 500 501 /* AUTH hmac_id */ 502 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 503 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 504 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ 505 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 506 #define SCTP_AUTH_HMAC_ID_SHA224 0x8001 507 #define SCTP_AUTH_HMAC_ID_SHA384 0x8002 508 #define SCTP_AUTH_HMAC_ID_SHA512 0x8003 509 510 511 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 512 struct sctp_authkeyid { 513 sctp_assoc_t scact_assoc_id; 514 uint16_t scact_keynumber; 515 }; 516 517 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 518 struct sctp_authchunks { 519 sctp_assoc_t gauth_assoc_id; 520 uint8_t gauth_chunks[0]; 521 }; 522 523 struct sctp_assoc_value { 524 sctp_assoc_t assoc_id; 525 uint32_t assoc_value; 526 }; 527 528 #define MAX_ASOC_IDS_RET 255 529 struct sctp_assoc_ids { 530 uint16_t asls_assoc_start; /* array of index's start at 0 */ 531 uint8_t asls_numb_present; 532 uint8_t asls_more_to_get; 533 sctp_assoc_t asls_assoc_id[MAX_ASOC_IDS_RET]; 534 }; 535 536 struct sctp_cwnd_args { 537 struct sctp_nets *net; /* network to */ 538 uint32_t cwnd_new_value;/* cwnd in k */ 539 uint32_t inflight; /* flightsize in k */ 540 uint32_t pseudo_cumack; 541 int cwnd_augment; /* increment to it */ 542 uint8_t meets_pseudo_cumack; 543 uint8_t need_new_pseudo_cumack; 544 uint8_t cnt_in_send; 545 uint8_t cnt_in_str; 546 }; 547 548 struct sctp_blk_args { 549 uint32_t onsb; /* in 1k bytes */ 550 uint32_t sndlen; /* len of send being attempted */ 551 uint32_t peer_rwnd; /* rwnd of peer */ 552 uint16_t send_sent_qcnt;/* chnk cnt */ 553 uint16_t stream_qcnt; /* chnk cnt */ 554 uint16_t chunks_on_oque;/* chunks out */ 555 uint16_t flight_size; /* flight size in k */ 556 }; 557 558 /* 559 * Max we can reset in one setting, note this is dictated not by the define 560 * but the size of a mbuf cluster so don't change this define and think you 561 * can specify more. You must do multiple resets if you want to reset more 562 * than SCTP_MAX_EXPLICIT_STR_RESET. 563 */ 564 #define SCTP_MAX_EXPLICT_STR_RESET 1000 565 566 #define SCTP_RESET_LOCAL_RECV 0x0001 567 #define SCTP_RESET_LOCAL_SEND 0x0002 568 #define SCTP_RESET_BOTH 0x0003 569 #define SCTP_RESET_TSN 0x0004 570 571 struct sctp_stream_reset { 572 sctp_assoc_t strrst_assoc_id; 573 uint16_t strrst_flags; 574 uint16_t strrst_num_streams; /* 0 == ALL */ 575 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */ 576 }; 577 578 579 struct sctp_get_nonce_values { 580 sctp_assoc_t gn_assoc_id; 581 uint32_t gn_peers_tag; 582 uint32_t gn_local_tag; 583 }; 584 585 /* Debugging logs */ 586 struct sctp_str_log { 587 void *stcb; 588 uint32_t n_tsn; 589 uint32_t e_tsn; 590 uint16_t n_sseq; 591 uint16_t e_sseq; 592 uint16_t strm; 593 }; 594 595 struct sctp_sb_log { 596 void *stcb; 597 uint32_t so_sbcc; 598 uint32_t stcb_sbcc; 599 uint32_t incr; 600 }; 601 602 struct sctp_fr_log { 603 uint32_t largest_tsn; 604 uint32_t largest_new_tsn; 605 uint32_t tsn; 606 }; 607 608 struct sctp_fr_map { 609 uint32_t base; 610 uint32_t cum; 611 uint32_t high; 612 }; 613 614 struct sctp_rwnd_log { 615 uint32_t rwnd; 616 uint32_t send_size; 617 uint32_t overhead; 618 uint32_t new_rwnd; 619 }; 620 621 struct sctp_mbcnt_log { 622 uint32_t total_queue_size; 623 uint32_t size_change; 624 uint32_t total_queue_mb_size; 625 uint32_t mbcnt_change; 626 }; 627 628 struct sctp_sack_log { 629 uint32_t cumack; 630 uint32_t oldcumack; 631 uint32_t tsn; 632 uint16_t numGaps; 633 uint16_t numDups; 634 }; 635 636 struct sctp_lock_log { 637 void *sock; 638 void *inp; 639 uint8_t tcb_lock; 640 uint8_t inp_lock; 641 uint8_t info_lock; 642 uint8_t sock_lock; 643 uint8_t sockrcvbuf_lock; 644 uint8_t socksndbuf_lock; 645 uint8_t create_lock; 646 uint8_t resv; 647 }; 648 649 struct sctp_rto_log { 650 void *net; 651 uint32_t rtt; 652 uint32_t rttvar; 653 uint8_t direction; 654 }; 655 656 struct sctp_nagle_log { 657 void *stcb; 658 uint32_t total_flight; 659 uint32_t total_in_queue; 660 uint16_t count_in_queue; 661 uint16_t count_in_flight; 662 }; 663 664 struct sctp_sbwake_log { 665 void *stcb; 666 uint16_t send_q; 667 uint16_t sent_q; 668 uint16_t flight; 669 uint16_t wake_cnt; 670 uint8_t stream_qcnt; /* chnk cnt */ 671 uint8_t chunks_on_oque; /* chunks out */ 672 uint8_t sbflags; 673 uint8_t sctpflags; 674 }; 675 676 struct sctp_misc_info { 677 uint32_t log1; 678 uint32_t log2; 679 uint32_t log3; 680 uint32_t log4; 681 }; 682 683 struct sctp_log_closing { 684 void *inp; 685 void *stcb; 686 uint32_t sctp_flags; 687 uint16_t state; 688 int16_t loc; 689 }; 690 691 struct sctp_mbuf_log { 692 struct mbuf *mp; 693 caddr_t ext; 694 caddr_t data; 695 uint16_t size; 696 uint8_t refcnt; 697 uint8_t mbuf_flags; 698 }; 699 700 struct sctp_cwnd_log { 701 uint32_t time_event; 702 uint8_t from; 703 uint8_t event_type; 704 uint8_t resv[2]; 705 union { 706 struct sctp_log_closing close; 707 struct sctp_blk_args blk; 708 struct sctp_cwnd_args cwnd; 709 struct sctp_str_log strlog; 710 struct sctp_fr_log fr; 711 struct sctp_fr_map map; 712 struct sctp_rwnd_log rwnd; 713 struct sctp_mbcnt_log mbcnt; 714 struct sctp_sack_log sack; 715 struct sctp_lock_log lock; 716 struct sctp_rto_log rto; 717 struct sctp_sb_log sb; 718 struct sctp_nagle_log nagle; 719 struct sctp_sbwake_log wake; 720 struct sctp_mbuf_log mb; 721 struct sctp_misc_info misc; 722 } x; 723 }; 724 725 struct sctp_cwnd_log_req { 726 int num_in_log; /* Number in log */ 727 int num_ret; /* Number returned */ 728 int start_at; /* start at this one */ 729 int end_at; /* end at this one */ 730 struct sctp_cwnd_log log[0]; 731 }; 732 733 struct sctpstat { 734 /* MIB according to RFC 3873 */ 735 u_long sctps_currestab; /* sctpStats 1 (Gauge32) */ 736 u_long sctps_activeestab; /* sctpStats 2 (Counter32) */ 737 u_long sctps_passiveestab; /* sctpStats 3 (Counter32) */ 738 u_long sctps_aborted; /* sctpStats 4 (Counter32) */ 739 u_long sctps_shutdown; /* sctpStats 5 (Counter32) */ 740 u_long sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 741 u_long sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 742 u_long sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 743 u_long sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 744 u_long sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 745 u_long sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 746 u_long sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 747 u_long sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 748 u_long sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 749 u_long sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 750 u_long sctps_outpackets;/* sctpStats 16 (Counter64) */ 751 u_long sctps_inpackets; /* sctpStats 17 (Counter64) */ 752 u_long sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 753 /* input statistics: */ 754 u_long sctps_recvpackets; /* total input packets */ 755 u_long sctps_recvdatagrams; /* total input datagrams */ 756 u_long sctps_recvpktwithdata; 757 u_long sctps_recvsacks; /* total input SACK chunks */ 758 u_long sctps_recvdata; /* total input DATA chunks */ 759 u_long sctps_recvdupdata; /* total input duplicate DATA chunks */ 760 u_long sctps_recvheartbeat; /* total input HB chunks */ 761 u_long sctps_recvheartbeatack; /* total input HB-ACK chunks */ 762 u_long sctps_recvecne; /* total input ECNE chunks */ 763 u_long sctps_recvauth; /* total input AUTH chunks */ 764 u_long sctps_recvauthmissing; /* total input chunks missing AUTH */ 765 u_long sctps_recvivalhmacid; /* total number of invalid HMAC ids 766 * received */ 767 u_long sctps_recvivalkeyid; /* total number of invalid secret ids 768 * received */ 769 u_long sctps_recvauthfailed; /* total number of auth failed */ 770 u_long sctps_recvexpress; /* total fast path receives all one 771 * chunk */ 772 u_long sctps_recvexpressm; /* total fast path multi-part data */ 773 /* output statistics: */ 774 u_long sctps_sendpackets; /* total output packets */ 775 u_long sctps_sendsacks; /* total output SACKs */ 776 u_long sctps_senddata; /* total output DATA chunks */ 777 u_long sctps_sendretransdata; /* total output retransmitted DATA 778 * chunks */ 779 u_long sctps_sendfastretrans; /* total output fast retransmitted 780 * DATA chunks */ 781 u_long sctps_sendmultfastretrans; /* U-del */ 782 u_long sctps_sendheartbeat; /* total output HB chunks */ 783 u_long sctps_sendecne; /* total output ECNE chunks */ 784 u_long sctps_sendauth; /* total output AUTH chunks FIXME */ 785 u_long sctps_senderrors;/* ip_output error counter */ 786 /* PCKDROPREP statistics: */ 787 u_long sctps_pdrpfmbox; /* */ 788 u_long sctps_pdrpfehos; /* */ 789 u_long sctps_pdrpmbda; /* */ 790 u_long sctps_pdrpmbct; /* */ 791 u_long sctps_pdrpbwrpt; /* */ 792 u_long sctps_pdrpcrupt; /* */ 793 u_long sctps_pdrpnedat; /* */ 794 u_long sctps_pdrppdbrk; /* */ 795 u_long sctps_pdrptsnnf; /* */ 796 u_long sctps_pdrpdnfnd; /* */ 797 u_long sctps_pdrpdiwnp; /* */ 798 u_long sctps_pdrpdizrw; /* */ 799 u_long sctps_pdrpbadd; /* */ 800 u_long sctps_pdrpmark; /* */ 801 /* timeouts */ 802 u_long sctps_timoiterator; /* */ 803 u_long sctps_timodata; /* */ 804 u_long sctps_timowindowprobe; /* */ 805 u_long sctps_timoinit; /* */ 806 u_long sctps_timosack; /* */ 807 u_long sctps_timoshutdown; /* */ 808 u_long sctps_timoheartbeat; /* */ 809 u_long sctps_timocookie;/* */ 810 u_long sctps_timosecret;/* */ 811 u_long sctps_timopathmtu; /* */ 812 u_long sctps_timoshutdownack; /* */ 813 u_long sctps_timoshutdownguard; /* */ 814 u_long sctps_timostrmrst; /* */ 815 u_long sctps_timoearlyfr; /* */ 816 u_long sctps_timoasconf;/* */ 817 u_long sctps_timoautoclose; /* */ 818 u_long sctps_timoassockill; /* */ 819 u_long sctps_timoinpkill; /* */ 820 /* Early fast retransmission counters */ 821 u_long sctps_earlyfrstart; 822 u_long sctps_earlyfrstop; 823 u_long sctps_earlyfrmrkretrans; 824 u_long sctps_earlyfrstpout; 825 u_long sctps_earlyfrstpidsck1; 826 u_long sctps_earlyfrstpidsck2; 827 u_long sctps_earlyfrstpidsck3; 828 u_long sctps_earlyfrstpidsck4; 829 u_long sctps_earlyfrstrid; 830 u_long sctps_earlyfrstrout; 831 u_long sctps_earlyfrstrtmr; 832 /* otheres */ 833 u_long sctps_hdrops; /* packet shorter than header */ 834 u_long sctps_badsum; /* checksum error */ 835 u_long sctps_noport; /* no endpoint for port */ 836 u_long sctps_badvtag; /* bad v-tag */ 837 u_long sctps_badsid; /* bad SID */ 838 u_long sctps_nomem; /* no memory */ 839 u_long sctps_fastretransinrtt; /* number of multiple FR in a RTT 840 * window */ 841 u_long sctps_markedretrans; 842 u_long sctps_naglesent; /* nagle allowed sending */ 843 u_long sctps_naglequeued; /* nagle does't allow sending */ 844 u_long sctps_maxburstqueued; /* max burst dosn't allow sending */ 845 u_long sctps_ifnomemqueued; /* */ 846 u_long sctps_windowprobed; /* total number of window probes sent */ 847 u_long sctps_lowlevelerr; 848 u_long sctps_lowlevelerrusr; 849 u_long sctps_datadropchklmt; 850 u_long sctps_datadroprwnd; 851 u_long sctps_ecnereducedcwnd; 852 u_long sctps_vtagexpress; /* Used express lookup via vtag */ 853 u_long sctps_vtagbogus; /* Collision in express lookup. */ 854 u_long sctps_primary_randry; /* Number of times the sender ran dry 855 * of user data on primary */ 856 u_long sctps_cmt_randry;/* Same for above */ 857 u_long sctps_slowpath_sack; /* Sacks the slow way */ 858 u_long sctps_wu_sacks_sent; /* Window Update only sacks sent */ 859 u_long sctps_sends_with_flags; /* number of sends with sinfo_flags 860 * !=0 */ 861 u_long sctps_sends_with_unord; 862 u_long sctps_sends_with_eof; 863 u_long sctps_sends_with_abort; 864 u_long sctps_protocol_drain_calls; 865 u_long sctps_protocol_drains_done; 866 }; 867 868 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 869 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 870 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_long(&sctpstat._x, _d) 871 #define SCTP_STAT_DECR_BY(_x,_d) atomic_add_long(&sctpstat._x, -(_d)) 872 /* The following macros are for handling MIB values, */ 873 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 874 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 875 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 876 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 877 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 878 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 879 880 union sctp_sockstore { 881 #ifdef AF_INET 882 struct sockaddr_in sin; 883 #endif 884 #ifdef AF_INET6 885 struct sockaddr_in6 sin6; 886 #endif 887 struct sockaddr sa; 888 }; 889 890 struct xsctp_inpcb { 891 uint32_t last; 892 uint16_t local_port; 893 uint16_t number_local_addresses; 894 uint32_t number_associations; 895 uint32_t flags; 896 uint32_t features; 897 uint32_t total_sends; 898 uint32_t total_recvs; 899 uint32_t total_nospaces; 900 /* add more endpoint specific data here */ 901 }; 902 903 struct xsctp_tcb { 904 uint16_t remote_port; 905 uint16_t number_local_addresses; 906 uint16_t number_remote_addresses; 907 uint16_t number_incomming_streams; 908 uint16_t number_outgoing_streams; 909 uint32_t state; 910 uint32_t total_sends; 911 uint32_t total_recvs; 912 uint32_t local_tag; 913 uint32_t remote_tag; 914 uint32_t initial_tsn; 915 uint32_t highest_tsn; 916 uint32_t cumulative_tsn; 917 uint32_t cumulative_tsn_ack; 918 /* add more association specific data here */ 919 }; 920 921 struct xsctp_laddr { 922 union sctp_sockstore address; 923 /* add more local address specific data */ 924 }; 925 926 struct xsctp_raddr { 927 union sctp_sockstore address; 928 uint16_t state; 929 /* add more remote address specific data */ 930 }; 931 932 /* 933 * Kernel defined for sctp_send 934 */ 935 #if defined(_KERNEL) 936 int 937 sctp_lower_sosend(struct socket *so, 938 struct sockaddr *addr, 939 struct uio *uio, 940 struct mbuf *top, 941 struct mbuf *control, 942 int flags, 943 int use_rcvinfo, 944 struct sctp_sndrcvinfo *srcv, 945 struct thread *p 946 ); 947 948 int 949 sctp_sorecvmsg(struct socket *so, 950 struct uio *uio, 951 struct mbuf **mp, 952 struct sockaddr *from, 953 int fromlen, 954 int *msg_flags, 955 struct sctp_sndrcvinfo *sinfo, 956 int filling_sinfo); 957 958 959 #endif 960 961 /* 962 * API system calls 963 */ 964 965 #if !(defined(_KERNEL)) 966 967 __BEGIN_DECLS 968 int sctp_peeloff __P((int, sctp_assoc_t)); 969 int sctp_bindx __P((int, struct sockaddr *, int, int)); 970 int sctp_connectx __P((int, const struct sockaddr *, int)); 971 int sctp_getaddrlen __P((sa_family_t)); 972 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 973 void sctp_freepaddrs __P((struct sockaddr *)); 974 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 975 void sctp_freeladdrs __P((struct sockaddr *)); 976 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 977 978 ssize_t sctp_sendmsg 979 __P((int, const void *, size_t, 980 const struct sockaddr *, 981 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 982 983 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 984 const struct sctp_sndrcvinfo *sinfo, int flags)); 985 986 ssize_t 987 sctp_sendx __P((int sd, const void *msg, size_t len, 988 struct sockaddr *addrs, int addrcnt, 989 struct sctp_sndrcvinfo *sinfo, int flags)); 990 ssize_t 991 sctp_sendmsgx __P((int sd, const void *, size_t, 992 struct sockaddr *, int, 993 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 994 995 sctp_assoc_t 996 sctp_getassocid __P((int sd, struct sockaddr *sa)); 997 998 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 999 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1000 1001 __END_DECLS 1002 1003 #endif /* !_KERNEL */ 1004 #endif /* !__sctp_uio_h__ */ 1005