1 /*- 2 * Copyright (c) 2001-2007, Cisco Systems, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* $KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $ */ 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #ifndef __sctp_uio_h__ 36 #define __sctp_uio_h__ 37 38 39 #if ! defined(_KERNEL) 40 #include <stdint.h> 41 #endif 42 #include <sys/types.h> 43 #include <sys/socket.h> 44 #include <sys/time.h> 45 #include <netinet/in.h> 46 47 typedef uint32_t sctp_assoc_t; 48 49 /* On/Off setup for subscription to events */ 50 struct 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 */ 70 struct 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 94 struct 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 }; 106 107 struct 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 122 123 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 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 */ 325 struct 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 */ 342 struct 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 */ 359 struct sctp_tlv { 360 uint16_t sn_type; 361 uint16_t sn_flags; 362 uint32_t sn_length; 363 }; 364 365 union 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 */ 397 398 struct 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_SACKDELAY_ENABLE 0x00000020 416 #define SPP_SACKDELAY_DISABLE 0x00000040 417 #define SPP_HB_TIME_IS_ZERO 0x00000080 418 #define SPP_IPV6_FLOWLABEL 0x00000100 419 #define SPP_IPV4_TOS 0x00000200 420 421 struct sctp_paddrinfo { 422 sctp_assoc_t spinfo_assoc_id; 423 struct sockaddr_storage spinfo_address; 424 int32_t spinfo_state; 425 uint32_t spinfo_cwnd; 426 uint32_t spinfo_srtt; 427 uint32_t spinfo_rto; 428 uint32_t spinfo_mtu; 429 }; 430 431 struct sctp_rtoinfo { 432 sctp_assoc_t srto_assoc_id; 433 uint32_t srto_initial; 434 uint32_t srto_max; 435 uint32_t srto_min; 436 }; 437 438 struct sctp_assocparams { 439 sctp_assoc_t sasoc_assoc_id; 440 uint16_t sasoc_asocmaxrxt; 441 uint16_t sasoc_number_peer_destinations; 442 uint32_t sasoc_peer_rwnd; 443 uint32_t sasoc_local_rwnd; 444 uint32_t sasoc_cookie_life; 445 uint32_t sasoc_sack_delay; 446 uint32_t sasoc_sack_freq; 447 }; 448 449 struct sctp_setprim { 450 sctp_assoc_t ssp_assoc_id; 451 struct sockaddr_storage ssp_addr; 452 }; 453 454 struct sctp_setpeerprim { 455 sctp_assoc_t sspp_assoc_id; 456 struct sockaddr_storage sspp_addr; 457 }; 458 459 struct sctp_getaddresses { 460 sctp_assoc_t sget_assoc_id; 461 /* addr is filled in for N * sockaddr_storage */ 462 struct sockaddr addr[1]; 463 }; 464 465 struct sctp_setstrm_timeout { 466 sctp_assoc_t ssto_assoc_id; 467 uint32_t ssto_timeout; 468 uint32_t ssto_streamid_start; 469 uint32_t ssto_streamid_end; 470 }; 471 472 struct sctp_status { 473 sctp_assoc_t sstat_assoc_id; 474 int32_t sstat_state; 475 uint32_t sstat_rwnd; 476 uint16_t sstat_unackdata; 477 uint16_t sstat_penddata; 478 uint16_t sstat_instrms; 479 uint16_t sstat_outstrms; 480 uint32_t sstat_fragmentation_point; 481 struct sctp_paddrinfo sstat_primary; 482 }; 483 484 /* 485 * AUTHENTICATION support 486 */ 487 /* SCTP_AUTH_CHUNK */ 488 struct sctp_authchunk { 489 uint8_t sauth_chunk; 490 }; 491 492 /* SCTP_AUTH_KEY */ 493 struct sctp_authkey { 494 sctp_assoc_t sca_assoc_id; 495 uint16_t sca_keynumber; 496 uint8_t sca_key[0]; 497 }; 498 499 /* SCTP_HMAC_IDENT */ 500 struct sctp_hmacalgo { 501 uint16_t shmac_idents[0]; 502 }; 503 504 /* AUTH hmac_id */ 505 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 506 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 507 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ 508 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 509 #define SCTP_AUTH_HMAC_ID_SHA224 0x8001 510 #define SCTP_AUTH_HMAC_ID_SHA384 0x8002 511 #define SCTP_AUTH_HMAC_ID_SHA512 0x8003 512 513 514 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 515 struct sctp_authkeyid { 516 sctp_assoc_t scact_assoc_id; 517 uint16_t scact_keynumber; 518 }; 519 520 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 521 struct sctp_authchunks { 522 sctp_assoc_t gauth_assoc_id; 523 uint8_t gauth_chunks[0]; 524 }; 525 526 struct sctp_assoc_value { 527 sctp_assoc_t assoc_id; 528 uint32_t assoc_value; 529 }; 530 531 #define MAX_ASOC_IDS_RET 255 532 struct sctp_assoc_ids { 533 uint16_t asls_assoc_start; /* array of index's start at 0 */ 534 uint8_t asls_numb_present; 535 uint8_t asls_more_to_get; 536 sctp_assoc_t asls_assoc_id[MAX_ASOC_IDS_RET]; 537 }; 538 539 struct sctp_cwnd_args { 540 struct sctp_nets *net; /* network to */ 541 uint32_t cwnd_new_value;/* cwnd in k */ 542 uint32_t inflight; /* flightsize in k */ 543 uint32_t pseudo_cumack; 544 int cwnd_augment; /* increment to it */ 545 uint8_t meets_pseudo_cumack; 546 uint8_t need_new_pseudo_cumack; 547 uint8_t cnt_in_send; 548 uint8_t cnt_in_str; 549 }; 550 551 struct sctp_blk_args { 552 uint32_t onsb; /* in 1k bytes */ 553 uint32_t sndlen; /* len of send being attempted */ 554 uint32_t peer_rwnd; /* rwnd of peer */ 555 uint16_t send_sent_qcnt;/* chnk cnt */ 556 uint16_t stream_qcnt; /* chnk cnt */ 557 uint16_t chunks_on_oque;/* chunks out */ 558 uint16_t flight_size; /* flight size in k */ 559 }; 560 561 /* 562 * Max we can reset in one setting, note this is dictated not by the define 563 * but the size of a mbuf cluster so don't change this define and think you 564 * can specify more. You must do multiple resets if you want to reset more 565 * than SCTP_MAX_EXPLICIT_STR_RESET. 566 */ 567 #define SCTP_MAX_EXPLICT_STR_RESET 1000 568 569 #define SCTP_RESET_LOCAL_RECV 0x0001 570 #define SCTP_RESET_LOCAL_SEND 0x0002 571 #define SCTP_RESET_BOTH 0x0003 572 #define SCTP_RESET_TSN 0x0004 573 574 struct sctp_stream_reset { 575 sctp_assoc_t strrst_assoc_id; 576 uint16_t strrst_flags; 577 uint16_t strrst_num_streams; /* 0 == ALL */ 578 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */ 579 }; 580 581 582 struct sctp_get_nonce_values { 583 sctp_assoc_t gn_assoc_id; 584 uint32_t gn_peers_tag; 585 uint32_t gn_local_tag; 586 }; 587 588 /* Debugging logs */ 589 struct sctp_str_log { 590 void *stcb; 591 uint32_t n_tsn; 592 uint32_t e_tsn; 593 uint16_t n_sseq; 594 uint16_t e_sseq; 595 uint16_t strm; 596 }; 597 598 struct sctp_sb_log { 599 void *stcb; 600 uint32_t so_sbcc; 601 uint32_t stcb_sbcc; 602 uint32_t incr; 603 }; 604 605 struct sctp_fr_log { 606 uint32_t largest_tsn; 607 uint32_t largest_new_tsn; 608 uint32_t tsn; 609 }; 610 611 struct sctp_fr_map { 612 uint32_t base; 613 uint32_t cum; 614 uint32_t high; 615 }; 616 617 struct sctp_rwnd_log { 618 uint32_t rwnd; 619 uint32_t send_size; 620 uint32_t overhead; 621 uint32_t new_rwnd; 622 }; 623 624 struct sctp_mbcnt_log { 625 uint32_t total_queue_size; 626 uint32_t size_change; 627 uint32_t total_queue_mb_size; 628 uint32_t mbcnt_change; 629 }; 630 631 struct sctp_sack_log { 632 uint32_t cumack; 633 uint32_t oldcumack; 634 uint32_t tsn; 635 uint16_t numGaps; 636 uint16_t numDups; 637 }; 638 639 struct sctp_lock_log { 640 void *sock; 641 void *inp; 642 uint8_t tcb_lock; 643 uint8_t inp_lock; 644 uint8_t info_lock; 645 uint8_t sock_lock; 646 uint8_t sockrcvbuf_lock; 647 uint8_t socksndbuf_lock; 648 uint8_t create_lock; 649 uint8_t resv; 650 }; 651 652 struct sctp_rto_log { 653 void *net; 654 uint32_t rtt; 655 }; 656 657 struct sctp_nagle_log { 658 void *stcb; 659 uint32_t total_flight; 660 uint32_t total_in_queue; 661 uint16_t count_in_queue; 662 uint16_t count_in_flight; 663 }; 664 665 struct sctp_sbwake_log { 666 void *stcb; 667 uint16_t send_q; 668 uint16_t sent_q; 669 uint16_t flight; 670 uint16_t wake_cnt; 671 uint8_t stream_qcnt; /* chnk cnt */ 672 uint8_t chunks_on_oque; /* chunks out */ 673 uint8_t sbflags; 674 uint8_t sctpflags; 675 }; 676 677 struct sctp_misc_info { 678 uint32_t log1; 679 uint32_t log2; 680 uint32_t log3; 681 uint32_t log4; 682 }; 683 684 struct sctp_log_closing { 685 void *inp; 686 void *stcb; 687 uint32_t sctp_flags; 688 uint16_t state; 689 int16_t loc; 690 }; 691 692 struct sctp_mbuf_log { 693 struct mbuf *mp; 694 caddr_t ext; 695 caddr_t data; 696 uint16_t size; 697 uint8_t refcnt; 698 uint8_t mbuf_flags; 699 }; 700 701 struct sctp_cwnd_log { 702 uint32_t time_event; 703 uint8_t from; 704 uint8_t event_type; 705 uint8_t resv[2]; 706 union { 707 struct sctp_log_closing close; 708 struct sctp_blk_args blk; 709 struct sctp_cwnd_args cwnd; 710 struct sctp_str_log strlog; 711 struct sctp_fr_log fr; 712 struct sctp_fr_map map; 713 struct sctp_rwnd_log rwnd; 714 struct sctp_mbcnt_log mbcnt; 715 struct sctp_sack_log sack; 716 struct sctp_lock_log lock; 717 struct sctp_rto_log rto; 718 struct sctp_sb_log sb; 719 struct sctp_nagle_log nagle; 720 struct sctp_sbwake_log wake; 721 struct sctp_mbuf_log mb; 722 struct sctp_misc_info misc; 723 } x; 724 }; 725 726 struct sctp_cwnd_log_req { 727 int num_in_log; /* Number in log */ 728 int num_ret; /* Number returned */ 729 int start_at; /* start at this one */ 730 int end_at; /* end at this one */ 731 struct sctp_cwnd_log log[0]; 732 }; 733 734 struct sctpstat { 735 /* MIB according to RFC 3873 */ 736 u_long sctps_currestab; /* sctpStats 1 (Gauge32) */ 737 u_long sctps_activeestab; /* sctpStats 2 (Counter32) */ 738 u_long sctps_restartestab; 739 u_long sctps_collisionestab; 740 u_long sctps_passiveestab; /* sctpStats 3 (Counter32) */ 741 u_long sctps_aborted; /* sctpStats 4 (Counter32) */ 742 u_long sctps_shutdown; /* sctpStats 5 (Counter32) */ 743 u_long sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 744 u_long sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 745 u_long sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 746 u_long sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 747 u_long sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 748 u_long sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 749 u_long sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 750 u_long sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 751 u_long sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 752 u_long sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 753 u_long sctps_outpackets;/* sctpStats 16 (Counter64) */ 754 u_long sctps_inpackets; /* sctpStats 17 (Counter64) */ 755 struct timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 756 /* input statistics: */ 757 u_long sctps_recvpackets; /* total input packets */ 758 u_long sctps_recvdatagrams; /* total input datagrams */ 759 u_long sctps_recvpktwithdata; /* total packets that had data */ 760 u_long sctps_recvsacks; /* total input SACK chunks */ 761 u_long sctps_recvdata; /* total input DATA chunks */ 762 u_long sctps_recvdupdata; /* total input duplicate DATA chunks */ 763 u_long sctps_recvheartbeat; /* total input HB chunks */ 764 u_long sctps_recvheartbeatack; /* total input HB-ACK chunks */ 765 u_long sctps_recvecne; /* total input ECNE chunks */ 766 u_long sctps_recvauth; /* total input AUTH chunks */ 767 u_long sctps_recvauthmissing; /* total input chunks missing AUTH */ 768 u_long sctps_recvivalhmacid; /* total number of invalid HMAC ids 769 * received */ 770 u_long sctps_recvivalkeyid; /* total number of invalid secret ids 771 * received */ 772 u_long sctps_recvauthfailed; /* total number of auth failed */ 773 u_long sctps_recvexpress; /* total fast path receives all one 774 * chunk */ 775 u_long sctps_recvexpressm; /* total fast path multi-part data */ 776 /* output statistics: */ 777 u_long sctps_sendpackets; /* total output packets */ 778 u_long sctps_sendsacks; /* total output SACKs */ 779 u_long sctps_senddata; /* total output DATA chunks */ 780 u_long sctps_sendretransdata; /* total output retransmitted DATA 781 * chunks */ 782 u_long sctps_sendfastretrans; /* total output fast retransmitted 783 * DATA chunks */ 784 u_long sctps_sendmultfastretrans; /* total FR's that happened 785 * more than once to same 786 * chunk (u-del multi-fr 787 * algo). */ 788 u_long sctps_sendheartbeat; /* total output HB chunks */ 789 u_long sctps_sendecne; /* total output ECNE chunks */ 790 u_long sctps_sendauth; /* total output AUTH chunks FIXME */ 791 u_long sctps_senderrors;/* ip_output error counter */ 792 /* PCKDROPREP statistics: */ 793 u_long sctps_pdrpfmbox; /* Packet drop from middle box */ 794 u_long sctps_pdrpfehos; /* P-drop from end host */ 795 u_long sctps_pdrpmbda; /* P-drops with data */ 796 u_long sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ 797 u_long sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */ 798 u_long sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 799 u_long sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 800 u_long sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */ 801 u_long sctps_pdrptsnnf; /* P-drop, could not find TSN */ 802 u_long sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 803 u_long sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 804 u_long sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 805 u_long sctps_pdrpbadd; /* P-drop, data did not match TSN */ 806 u_long sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */ 807 /* timeouts */ 808 u_long sctps_timoiterator; /* Number of iterator timers that 809 * fired */ 810 u_long sctps_timodata; /* Number of T3 data time outs */ 811 u_long sctps_timowindowprobe; /* Number of window probe (T3) timers 812 * that fired */ 813 u_long sctps_timoinit; /* Number of INIT timers that fired */ 814 u_long sctps_timosack; /* Number of sack timers that fired */ 815 u_long sctps_timoshutdown; /* Number of shutdown timers that 816 * fired */ 817 u_long sctps_timoheartbeat; /* Number of heartbeat timers that 818 * fired */ 819 u_long sctps_timocookie;/* Number of times a cookie timeout fired */ 820 u_long sctps_timosecret;/* Number of times an endpoint changed its 821 * cookie secret */ 822 u_long sctps_timopathmtu; /* Number of PMTU timers that fired */ 823 u_long sctps_timoshutdownack; /* Number of shutdown ack timers that 824 * fired */ 825 u_long sctps_timoshutdownguard; /* Number of shutdown guard timers 826 * that fired */ 827 u_long sctps_timostrmrst; /* Number of stream reset timers that 828 * fired */ 829 u_long sctps_timoearlyfr; /* Number of early FR timers that 830 * fired */ 831 u_long sctps_timoasconf;/* Number of times an asconf timer fired */ 832 u_long sctps_timoautoclose; /* Number of times auto close timer 833 * fired */ 834 u_long sctps_timoassockill; /* Number of asoc free timers expired */ 835 u_long sctps_timoinpkill; /* Number of inp free timers expired */ 836 /* Early fast retransmission counters */ 837 u_long sctps_earlyfrstart; 838 u_long sctps_earlyfrstop; 839 u_long sctps_earlyfrmrkretrans; 840 u_long sctps_earlyfrstpout; 841 u_long sctps_earlyfrstpidsck1; 842 u_long sctps_earlyfrstpidsck2; 843 u_long sctps_earlyfrstpidsck3; 844 u_long sctps_earlyfrstpidsck4; 845 u_long sctps_earlyfrstrid; 846 u_long sctps_earlyfrstrout; 847 u_long sctps_earlyfrstrtmr; 848 /* otheres */ 849 u_long sctps_hdrops; /* packet shorter than header */ 850 u_long sctps_badsum; /* checksum error */ 851 u_long sctps_noport; /* no endpoint for port */ 852 u_long sctps_badvtag; /* bad v-tag */ 853 u_long sctps_badsid; /* bad SID */ 854 u_long sctps_nomem; /* no memory */ 855 u_long sctps_fastretransinrtt; /* number of multiple FR in a RTT 856 * window */ 857 u_long sctps_markedretrans; 858 u_long sctps_naglesent; /* nagle allowed sending */ 859 u_long sctps_naglequeued; /* nagle does't allow sending */ 860 u_long sctps_maxburstqueued; /* max burst dosn't allow sending */ 861 u_long sctps_ifnomemqueued; /* look ahead tells us no memory in 862 * interface ring buffer OR we had a 863 * send error and are queuing one 864 * send. */ 865 u_long sctps_windowprobed; /* total number of window probes sent */ 866 u_long sctps_lowlevelerr; /* total times an output error causes 867 * us to clamp down on next user send. */ 868 u_long sctps_lowlevelerrusr; /* total times sctp_senderrors were 869 * caused from a user send from a user 870 * invoked send not a sack response */ 871 u_long sctps_datadropchklmt; /* Number of in data drops due to 872 * chunk limit reached */ 873 u_long sctps_datadroprwnd; /* Number of in data drops due to rwnd 874 * limit reached */ 875 u_long sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 876 * cwnd */ 877 u_long sctps_vtagexpress; /* Used express lookup via vtag */ 878 u_long sctps_vtagbogus; /* Collision in express lookup. */ 879 u_long sctps_primary_randry; /* Number of times the sender ran dry 880 * of user data on primary */ 881 u_long sctps_cmt_randry;/* Same for above */ 882 u_long sctps_slowpath_sack; /* Sacks the slow way */ 883 u_long sctps_wu_sacks_sent; /* Window Update only sacks sent */ 884 u_long sctps_sends_with_flags; /* number of sends with sinfo_flags 885 * !=0 */ 886 u_long sctps_sends_with_unord /* number of undordered sends */ ; 887 u_long sctps_sends_with_eof; /* number of sends with EOF flag set */ 888 u_long sctps_sends_with_abort; /* number of sends with ABORT flag set */ 889 u_long sctps_protocol_drain_calls; /* number of times protocol 890 * drain called */ 891 u_long sctps_protocol_drains_done; /* number of times we did a 892 * protocol drain */ 893 u_long sctps_read_peeks;/* Number of times recv was called with peek */ 894 u_long sctps_cached_chk;/* Number of cached chunks used */ 895 u_long sctps_cached_strmoq; /* Number of cached stream oq's used */ 896 u_long sctps_left_abandon; /* Number of unread message abandonded 897 * by close */ 898 }; 899 900 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 901 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 902 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_long(&sctpstat._x, _d) 903 #define SCTP_STAT_DECR_BY(_x,_d) atomic_add_long(&sctpstat._x, -(_d)) 904 /* The following macros are for handling MIB values, */ 905 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 906 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 907 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 908 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 909 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 910 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 911 912 union sctp_sockstore { 913 #if defined(INET) || !defined(_KERNEL) 914 struct sockaddr_in sin; 915 #endif 916 #if defined(INET6) || !defined(_KERNEL) 917 struct sockaddr_in6 sin6; 918 #endif 919 struct sockaddr sa; 920 }; 921 922 struct xsctp_inpcb { 923 uint32_t last; 924 uint16_t local_port; 925 uint16_t number_local_addresses; 926 uint32_t number_associations; 927 uint32_t flags; 928 uint32_t features; 929 uint32_t total_sends; 930 uint32_t total_recvs; 931 uint32_t total_nospaces; 932 /* add more endpoint specific data here */ 933 }; 934 935 struct xsctp_tcb { 936 uint16_t LocalPort; /* sctpAssocEntry 3 */ 937 uint16_t RemPort; /* sctpAssocEntry 4 */ 938 union sctp_sockstore RemPrimAddr; /* sctpAssocEntry 5/6 */ 939 uint32_t HeartBeatInterval; /* sctpAssocEntry 7 */ 940 uint32_t State; /* sctpAssocEntry 8 */ 941 uint32_t InStreams; /* sctpAssocEntry 9 */ 942 uint32_t OutStreams; /* sctpAssocEntry 10 */ 943 uint32_t MaxRetr; /* sctpAssocEntry 11 */ 944 uint32_t PrimProcess; /* sctpAssocEntry 12 */ 945 uint32_t T1expireds; /* sctpAssocEntry 13 */ 946 uint32_t T2expireds; /* sctpAssocEntry 14 */ 947 uint32_t RtxChunks; /* sctpAssocEntry 15 */ 948 struct timeval StartTime; /* sctpAssocEntry 16 */ 949 struct timeval DiscontinuityTime; /* sctpAssocEntry 17 */ 950 uint32_t total_sends; 951 uint32_t total_recvs; 952 uint32_t local_tag; 953 uint32_t remote_tag; 954 uint32_t initial_tsn; 955 uint32_t highest_tsn; 956 uint32_t cumulative_tsn; 957 uint32_t cumulative_tsn_ack; 958 /* add more association specific data here */ 959 uint16_t number_local_addresses; 960 uint16_t number_remote_addresses; 961 }; 962 963 struct xsctp_laddr { 964 union sctp_sockstore LocalAddr; /* sctpAssocLocalAddrEntry 1/2 */ 965 struct timeval LocalStartTime; /* sctpAssocLocalAddrEntry 3 */ 966 /* add more local address specific data */ 967 }; 968 969 struct xsctp_raddr { 970 union sctp_sockstore RemAddr; /* sctpAssocLocalRemEntry 1/2 */ 971 uint8_t RemAddrActive; /* sctpAssocLocalRemEntry 3 */ 972 uint8_t RemAddrConfirmed; /* */ 973 uint8_t RemAddrHBActive;/* sctpAssocLocalRemEntry 4 */ 974 uint32_t RemAddrRTO; /* sctpAssocLocalRemEntry 5 */ 975 uint32_t RemAddrMaxPathRtx; /* sctpAssocLocalRemEntry 6 */ 976 uint32_t RemAddrRtx; /* sctpAssocLocalRemEntry 7 */ 977 uint32_t RemAddrErrorCounter; /* */ 978 uint32_t RemAddrCwnd; /* */ 979 uint32_t RemAddrFlightSize; /* */ 980 struct timeval RemAddrStartTime; /* sctpAssocLocalRemEntry 8 */ 981 /* add more remote address specific data */ 982 }; 983 984 /* 985 * Kernel defined for sctp_send 986 */ 987 #if defined(_KERNEL) 988 int 989 sctp_lower_sosend(struct socket *so, 990 struct sockaddr *addr, 991 struct uio *uio, 992 993 struct mbuf *top, 994 struct mbuf *control, 995 int flags, 996 int use_rcvinfo, 997 struct sctp_sndrcvinfo *srcv 998 ,struct thread *p 999 ); 1000 1001 int 1002 sctp_sorecvmsg(struct socket *so, 1003 struct uio *uio, 1004 struct mbuf **mp, 1005 struct sockaddr *from, 1006 int fromlen, 1007 int *msg_flags, 1008 struct sctp_sndrcvinfo *sinfo, 1009 int filling_sinfo); 1010 1011 1012 #endif 1013 1014 /* 1015 * API system calls 1016 */ 1017 #if !(defined(_KERNEL)) 1018 1019 __BEGIN_DECLS 1020 int sctp_peeloff __P((int, sctp_assoc_t)); 1021 int sctp_bindx __P((int, struct sockaddr *, int, int)); 1022 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1023 int sctp_getaddrlen __P((sa_family_t)); 1024 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1025 void sctp_freepaddrs __P((struct sockaddr *)); 1026 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1027 void sctp_freeladdrs __P((struct sockaddr *)); 1028 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1029 1030 ssize_t sctp_sendmsg 1031 __P((int, const void *, size_t, 1032 const struct sockaddr *, 1033 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1034 1035 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 1036 const struct sctp_sndrcvinfo *sinfo, int flags)); 1037 1038 ssize_t 1039 sctp_sendx __P((int sd, const void *msg, size_t len, 1040 struct sockaddr *addrs, int addrcnt, 1041 struct sctp_sndrcvinfo *sinfo, int flags)); 1042 ssize_t 1043 sctp_sendmsgx __P((int sd, const void *, size_t, 1044 struct sockaddr *, int, 1045 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1046 1047 sctp_assoc_t 1048 sctp_getassocid __P((int sd, struct sockaddr *sa)); 1049 1050 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 1051 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1052 1053 __END_DECLS 1054 1055 #endif /* !_KERNEL */ 1056 #endif /* !__sctp_uio_h__ */ 1057