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("$FreeBSD$"); 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 uint8_t spc_padding[4]; 211 }; 212 213 /* paddr state values */ 214 #define SCTP_ADDR_AVAILABLE 0x0001 215 #define SCTP_ADDR_UNREACHABLE 0x0002 216 #define SCTP_ADDR_REMOVED 0x0003 217 #define SCTP_ADDR_ADDED 0x0004 218 #define SCTP_ADDR_MADE_PRIM 0x0005 219 #define SCTP_ADDR_CONFIRMED 0x0006 220 221 /* 222 * CAUTION: these are user exposed SCTP addr reachability states must be 223 * compatible with SCTP_ADDR states in sctp_constants.h 224 */ 225 #ifdef SCTP_ACTIVE 226 #undef SCTP_ACTIVE 227 #endif 228 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 229 230 #ifdef SCTP_INACTIVE 231 #undef SCTP_INACTIVE 232 #endif 233 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ 234 235 #ifdef SCTP_UNCONFIRMED 236 #undef SCTP_UNCONFIRMED 237 #endif 238 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 239 240 #ifdef SCTP_NOHEARTBEAT 241 #undef SCTP_NOHEARTBEAT 242 #endif 243 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */ 244 245 246 /* remote error events */ 247 struct sctp_remote_error { 248 uint16_t sre_type; 249 uint16_t sre_flags; 250 uint32_t sre_length; 251 uint16_t sre_error; 252 sctp_assoc_t sre_assoc_id; 253 uint8_t sre_data[4]; 254 }; 255 256 /* data send failure event */ 257 struct sctp_send_failed { 258 uint16_t ssf_type; 259 uint16_t ssf_flags; 260 uint32_t ssf_length; 261 uint32_t ssf_error; 262 struct sctp_sndrcvinfo ssf_info; 263 sctp_assoc_t ssf_assoc_id; 264 uint8_t ssf_data[0]; 265 }; 266 267 /* flag that indicates state of data */ 268 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 269 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 270 271 /* shutdown event */ 272 struct sctp_shutdown_event { 273 uint16_t sse_type; 274 uint16_t sse_flags; 275 uint32_t sse_length; 276 sctp_assoc_t sse_assoc_id; 277 }; 278 279 /* Adaptation layer indication stuff */ 280 struct sctp_adaptation_event { 281 uint16_t sai_type; 282 uint16_t sai_flags; 283 uint32_t sai_length; 284 uint32_t sai_adaptation_ind; 285 sctp_assoc_t sai_assoc_id; 286 }; 287 288 struct sctp_setadaptation { 289 uint32_t ssb_adaptation_ind; 290 }; 291 292 /* compatable old spelling */ 293 struct sctp_adaption_event { 294 uint16_t sai_type; 295 uint16_t sai_flags; 296 uint32_t sai_length; 297 uint32_t sai_adaption_ind; 298 sctp_assoc_t sai_assoc_id; 299 }; 300 301 struct sctp_setadaption { 302 uint32_t ssb_adaption_ind; 303 }; 304 305 306 /* 307 * Partial Delivery API event 308 */ 309 struct sctp_pdapi_event { 310 uint16_t pdapi_type; 311 uint16_t pdapi_flags; 312 uint32_t pdapi_length; 313 uint32_t pdapi_indication; 314 uint16_t pdapi_stream; 315 uint16_t pdapi_seq; 316 sctp_assoc_t pdapi_assoc_id; 317 }; 318 319 /* indication values */ 320 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 321 322 323 /* 324 * authentication key event 325 */ 326 struct sctp_authkey_event { 327 uint16_t auth_type; 328 uint16_t auth_flags; 329 uint32_t auth_length; 330 uint16_t auth_keynumber; 331 uint16_t auth_altkeynumber; 332 uint32_t auth_indication; 333 sctp_assoc_t auth_assoc_id; 334 }; 335 336 /* indication values */ 337 #define SCTP_AUTH_NEWKEY 0x0001 338 339 340 /* 341 * stream reset event 342 */ 343 struct sctp_stream_reset_event { 344 uint16_t strreset_type; 345 uint16_t strreset_flags; 346 uint32_t strreset_length; 347 sctp_assoc_t strreset_assoc_id; 348 uint16_t strreset_list[0]; 349 }; 350 351 /* flags in strreset_flags field */ 352 #define SCTP_STRRESET_INBOUND_STR 0x0001 353 #define SCTP_STRRESET_OUTBOUND_STR 0x0002 354 #define SCTP_STRRESET_ALL_STREAMS 0x0004 355 #define SCTP_STRRESET_STREAM_LIST 0x0008 356 #define SCTP_STRRESET_FAILED 0x0010 357 358 359 /* SCTP notification event */ 360 struct sctp_tlv { 361 uint16_t sn_type; 362 uint16_t sn_flags; 363 uint32_t sn_length; 364 }; 365 366 union sctp_notification { 367 struct sctp_tlv sn_header; 368 struct sctp_assoc_change sn_assoc_change; 369 struct sctp_paddr_change sn_paddr_change; 370 struct sctp_remote_error sn_remote_error; 371 struct sctp_send_failed sn_send_failed; 372 struct sctp_shutdown_event sn_shutdown_event; 373 struct sctp_adaptation_event sn_adaptation_event; 374 /* compatability same as above */ 375 struct sctp_adaption_event sn_adaption_event; 376 struct sctp_pdapi_event sn_pdapi_event; 377 struct sctp_authkey_event sn_auth_event; 378 struct sctp_stream_reset_event sn_strreset_event; 379 }; 380 381 /* notification types */ 382 #define SCTP_ASSOC_CHANGE 0x0001 383 #define SCTP_PEER_ADDR_CHANGE 0x0002 384 #define SCTP_REMOTE_ERROR 0x0003 385 #define SCTP_SEND_FAILED 0x0004 386 #define SCTP_SHUTDOWN_EVENT 0x0005 387 #define SCTP_ADAPTATION_INDICATION 0x0006 388 /* same as above */ 389 #define SCTP_ADAPTION_INDICATION 0x0006 390 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 391 #define SCTP_AUTHENTICATION_EVENT 0x0008 392 #define SCTP_STREAM_RESET_EVENT 0x0009 393 394 395 /* 396 * socket option structs 397 */ 398 399 struct sctp_paddrparams { 400 struct sockaddr_storage spp_address; 401 sctp_assoc_t spp_assoc_id; 402 uint32_t spp_hbinterval; 403 uint32_t spp_pathmtu; 404 uint32_t spp_flags; 405 uint32_t spp_ipv6_flowlabel; 406 uint16_t spp_pathmaxrxt; 407 uint8_t spp_ipv4_tos; 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 418 419 struct sctp_paddrinfo { 420 struct sockaddr_storage spinfo_address; 421 sctp_assoc_t spinfo_assoc_id; 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 }; 428 429 struct 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 }; 435 436 struct sctp_assocparams { 437 sctp_assoc_t sasoc_assoc_id; 438 uint32_t sasoc_peer_rwnd; 439 uint32_t sasoc_local_rwnd; 440 uint32_t sasoc_cookie_life; 441 uint16_t sasoc_asocmaxrxt; 442 uint16_t sasoc_number_peer_destinations; 443 }; 444 445 struct sctp_setprim { 446 struct sockaddr_storage ssp_addr; 447 sctp_assoc_t ssp_assoc_id; 448 uint8_t ssp_padding[4]; 449 }; 450 451 struct sctp_setpeerprim { 452 struct sockaddr_storage sspp_addr; 453 sctp_assoc_t sspp_assoc_id; 454 uint8_t sspp_padding[4]; 455 }; 456 457 struct sctp_getaddresses { 458 sctp_assoc_t sget_assoc_id; 459 /* addr is filled in for N * sockaddr_storage */ 460 struct sockaddr addr[1]; 461 }; 462 463 struct sctp_setstrm_timeout { 464 sctp_assoc_t ssto_assoc_id; 465 uint32_t ssto_timeout; 466 uint32_t ssto_streamid_start; 467 uint32_t ssto_streamid_end; 468 }; 469 470 struct sctp_status { 471 sctp_assoc_t sstat_assoc_id; 472 int32_t sstat_state; 473 uint32_t sstat_rwnd; 474 uint16_t sstat_unackdata; 475 uint16_t sstat_penddata; 476 uint16_t sstat_instrms; 477 uint16_t sstat_outstrms; 478 uint32_t sstat_fragmentation_point; 479 struct sctp_paddrinfo sstat_primary; 480 }; 481 482 /* 483 * AUTHENTICATION support 484 */ 485 /* SCTP_AUTH_CHUNK */ 486 struct sctp_authchunk { 487 uint8_t sauth_chunk; 488 }; 489 490 /* SCTP_AUTH_KEY */ 491 struct sctp_authkey { 492 sctp_assoc_t sca_assoc_id; 493 uint16_t sca_keynumber; 494 uint8_t sca_key[0]; 495 }; 496 497 /* SCTP_HMAC_IDENT */ 498 struct sctp_hmacalgo { 499 uint16_t shmac_idents[0]; 500 }; 501 502 /* AUTH hmac_id */ 503 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 504 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 505 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ 506 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 507 #define SCTP_AUTH_HMAC_ID_SHA224 0x8001 508 #define SCTP_AUTH_HMAC_ID_SHA384 0x8002 509 #define SCTP_AUTH_HMAC_ID_SHA512 0x8003 510 511 512 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 513 struct sctp_authkeyid { 514 sctp_assoc_t scact_assoc_id; 515 uint16_t scact_keynumber; 516 }; 517 518 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 519 struct sctp_authchunks { 520 sctp_assoc_t gauth_assoc_id; 521 uint8_t gauth_chunks[0]; 522 }; 523 524 struct sctp_assoc_value { 525 sctp_assoc_t assoc_id; 526 uint32_t assoc_value; 527 }; 528 529 struct sctp_assoc_ids { 530 sctp_assoc_t gaids_assoc_id[0]; 531 }; 532 533 struct sctp_sack_info { 534 sctp_assoc_t sack_assoc_id; 535 uint32_t sack_delay; 536 uint32_t sack_freq; 537 }; 538 539 struct sctp_cwnd_args { 540 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 541 uint32_t cwnd_new_value;/* cwnd in k */ 542 uint32_t inflight; /* flightsize in k */ 543 uint32_t pseudo_cumack; 544 uint32_t 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; /* FIXME: LP64 issue */ 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; /* FIXME: LP64 issue */ 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; /* FIXME: LP64 issue */ 641 void *inp; /* FIXME: LP64 issue */ 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; /* FIXME: LP64 issue */ 654 uint32_t rtt; 655 }; 656 657 struct sctp_nagle_log { 658 void *stcb; /* FIXME: LP64 issue */ 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; /* FIXME: LP64 issue */ 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; /* FIXME: LP64 issue */ 686 void *stcb; /* FIXME: LP64 issue */ 687 uint32_t sctp_flags; 688 uint16_t state; 689 int16_t loc; 690 }; 691 692 struct sctp_mbuf_log { 693 struct mbuf *mp; /* FIXME: LP64 issue */ 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 uint64_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 int32_t num_in_log; /* Number in log */ 728 int32_t num_ret; /* Number returned */ 729 int32_t start_at; /* start at this one */ 730 int32_t 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 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 737 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 738 uint32_t sctps_restartestab; 739 uint32_t sctps_collisionestab; 740 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 741 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 742 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 743 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 744 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 745 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 746 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 747 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 748 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 749 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 750 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 751 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 752 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 753 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 754 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 755 756 /* input statistics: */ 757 uint32_t sctps_recvpackets; /* total input packets */ 758 uint32_t sctps_recvdatagrams; /* total input datagrams */ 759 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 760 uint32_t sctps_recvsacks; /* total input SACK chunks */ 761 uint32_t sctps_recvdata;/* total input DATA chunks */ 762 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 763 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 764 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 765 uint32_t sctps_recvecne;/* total input ECNE chunks */ 766 uint32_t sctps_recvauth;/* total input AUTH chunks */ 767 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 768 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 769 * received */ 770 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 771 * received */ 772 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 773 uint32_t sctps_recvexpress; /* total fast path receives all one 774 * chunk */ 775 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 776 /* output statistics: */ 777 uint32_t sctps_sendpackets; /* total output packets */ 778 uint32_t sctps_sendsacks; /* total output SACKs */ 779 uint32_t sctps_senddata;/* total output DATA chunks */ 780 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 781 * chunks */ 782 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 783 * DATA chunks */ 784 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 785 * more than once to same 786 * chunk (u-del multi-fr 787 * algo). */ 788 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 789 uint32_t sctps_sendecne;/* total output ECNE chunks */ 790 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 791 uint32_t sctps_senderrors; /* ip_output error counter */ 792 /* PCKDROPREP statistics: */ 793 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 794 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 795 uint32_t sctps_pdrpmbda;/* P-drops with data */ 796 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 797 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 798 * only */ 799 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 800 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 801 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 802 * said break */ 803 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 804 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 805 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 806 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 807 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 808 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 809 /* timeouts */ 810 uint32_t sctps_timoiterator; /* Number of iterator timers that 811 * fired */ 812 uint32_t sctps_timodata;/* Number of T3 data time outs */ 813 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 814 * that fired */ 815 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 816 uint32_t sctps_timosack;/* Number of sack timers that fired */ 817 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 818 * fired */ 819 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 820 * fired */ 821 uint32_t sctps_timocookie; /* Number of times a cookie timeout 822 * fired */ 823 uint32_t sctps_timosecret; /* Number of times an endpoint changed 824 * its cookie secret */ 825 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 826 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 827 * fired */ 828 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 829 * timers that fired */ 830 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 831 * fired */ 832 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 833 * fired */ 834 uint32_t sctps_timoasconf; /* Number of times an asconf timer 835 * fired */ 836 uint32_t sctps_timoautoclose; /* Number of times auto close timer 837 * fired */ 838 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 839 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 840 /* Early fast retransmission counters */ 841 uint32_t sctps_earlyfrstart; 842 uint32_t sctps_earlyfrstop; 843 uint32_t sctps_earlyfrmrkretrans; 844 uint32_t sctps_earlyfrstpout; 845 uint32_t sctps_earlyfrstpidsck1; 846 uint32_t sctps_earlyfrstpidsck2; 847 uint32_t sctps_earlyfrstpidsck3; 848 uint32_t sctps_earlyfrstpidsck4; 849 uint32_t sctps_earlyfrstrid; 850 uint32_t sctps_earlyfrstrout; 851 uint32_t sctps_earlyfrstrtmr; 852 /* otheres */ 853 uint32_t sctps_hdrops; /* packet shorter than header */ 854 uint32_t sctps_badsum; /* checksum error */ 855 uint32_t sctps_noport; /* no endpoint for port */ 856 uint32_t sctps_badvtag; /* bad v-tag */ 857 uint32_t sctps_badsid; /* bad SID */ 858 uint32_t sctps_nomem; /* no memory */ 859 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 860 * RTT window */ 861 uint32_t sctps_markedretrans; 862 uint32_t sctps_naglesent; /* nagle allowed sending */ 863 uint32_t sctps_naglequeued; /* nagle does't allow sending */ 864 uint32_t sctps_maxburstqueued; /* max burst dosn't allow sending */ 865 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 866 * interface ring buffer OR we had a 867 * send error and are queuing one 868 * send. */ 869 uint32_t sctps_windowprobed; /* total number of window probes sent */ 870 uint32_t sctps_lowlevelerr; /* total times an output error causes 871 * us to clamp down on next user send. */ 872 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 873 * caused from a user send from a user 874 * invoked send not a sack response */ 875 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 876 * chunk limit reached */ 877 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 878 * limit reached */ 879 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 880 * cwnd */ 881 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 882 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 883 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 884 * of user data on primary */ 885 uint32_t sctps_cmt_randry; /* Same for above */ 886 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 887 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 888 uint32_t sctps_sends_with_flags; /* number of sends with 889 * sinfo_flags !=0 */ 890 uint32_t sctps_sends_with_unord /* number of undordered sends */ ; 891 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 892 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 893 * flag set */ 894 uint32_t sctps_protocol_drain_calls; /* number of times protocol 895 * drain called */ 896 uint32_t sctps_protocol_drains_done; /* number of times we did a 897 * protocol drain */ 898 uint32_t sctps_read_peeks; /* Number of times recv was called 899 * with peek */ 900 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 901 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 902 uint32_t sctps_left_abandon; /* Number of unread message abandonded 903 * by close */ 904 uint32_t sctps_send_burst_avoid; /* Send burst avoidance, 905 * already max burst inflight 906 * to net */ 907 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 908 * max burst inflight to net */ 909 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 910 * fwd-tsn's */ 911 912 struct timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 913 }; 914 915 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 916 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 917 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&sctpstat._x, _d) 918 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&sctpstat._x, _d) 919 920 /* The following macros are for handling MIB values, */ 921 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 922 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 923 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 924 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 925 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 926 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 927 928 union sctp_sockstore { 929 #if defined(INET) || !defined(_KERNEL) 930 struct sockaddr_in sin; 931 #endif 932 #if defined(INET6) || !defined(_KERNEL) 933 struct sockaddr_in6 sin6; 934 #endif 935 struct sockaddr sa; 936 }; 937 938 struct xsctp_inpcb { 939 uint32_t last; 940 uint32_t flags; 941 uint32_t features; 942 uint32_t total_sends; 943 uint32_t total_recvs; 944 uint32_t total_nospaces; 945 uint32_t fragmentation_point; 946 uint16_t local_port; 947 uint16_t qlen; 948 uint16_t maxqlen; 949 }; 950 951 struct xsctp_tcb { 952 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 953 uint32_t last; 954 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 955 uint32_t state; /* sctpAssocEntry 8 */ 956 uint32_t in_streams; /* sctpAssocEntry 9 */ 957 uint32_t out_streams; /* sctpAssocEntry 10 */ 958 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 959 uint32_t primary_process; /* sctpAssocEntry 12 */ 960 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 961 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 962 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 963 uint32_t total_sends; 964 uint32_t total_recvs; 965 uint32_t local_tag; 966 uint32_t remote_tag; 967 uint32_t initial_tsn; 968 uint32_t highest_tsn; 969 uint32_t cumulative_tsn; 970 uint32_t cumulative_tsn_ack; 971 uint32_t mtu; 972 uint32_t refcnt; 973 uint16_t local_port; /* sctpAssocEntry 3 */ 974 uint16_t remote_port; /* sctpAssocEntry 4 */ 975 struct timeval start_time; /* sctpAssocEntry 16 */ 976 struct timeval discontinuity_time; /* sctpAssocEntry 17 */ 977 }; 978 979 struct xsctp_laddr { 980 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 981 uint32_t last; 982 struct timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 983 }; 984 985 struct xsctp_raddr { 986 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 987 uint32_t last; 988 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 989 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 990 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 991 uint32_t error_counter; /* */ 992 uint32_t cwnd; /* */ 993 uint32_t flight_size; /* */ 994 uint32_t mtu; /* */ 995 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 996 uint8_t confirmed; /* */ 997 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 998 struct timeval start_time; /* sctpAssocLocalRemEntry 8 */ 999 }; 1000 1001 /* 1002 * Kernel defined for sctp_send 1003 */ 1004 #if defined(_KERNEL) 1005 int 1006 sctp_lower_sosend(struct socket *so, 1007 struct sockaddr *addr, 1008 struct uio *uio, 1009 struct mbuf *i_pak, 1010 struct mbuf *control, 1011 int flags, 1012 int use_rcvinfo, 1013 struct sctp_sndrcvinfo *srcv 1014 ,struct thread *p 1015 ); 1016 1017 int 1018 sctp_sorecvmsg(struct socket *so, 1019 struct uio *uio, 1020 struct mbuf **mp, 1021 struct sockaddr *from, 1022 int fromlen, 1023 int *msg_flags, 1024 struct sctp_sndrcvinfo *sinfo, 1025 int filling_sinfo); 1026 1027 #endif 1028 1029 /* 1030 * API system calls 1031 */ 1032 #if !(defined(_KERNEL)) 1033 1034 __BEGIN_DECLS 1035 int sctp_peeloff __P((int, sctp_assoc_t)); 1036 int sctp_bindx __P((int, struct sockaddr *, int, int)); 1037 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1038 int sctp_getaddrlen __P((sa_family_t)); 1039 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1040 void sctp_freepaddrs __P((struct sockaddr *)); 1041 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1042 void sctp_freeladdrs __P((struct sockaddr *)); 1043 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1044 1045 ssize_t sctp_sendmsg 1046 __P((int, const void *, size_t, 1047 const struct sockaddr *, 1048 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1049 1050 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 1051 const struct sctp_sndrcvinfo *sinfo, int flags)); 1052 1053 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len, 1054 struct sockaddr *addrs, int addrcnt, 1055 struct sctp_sndrcvinfo *sinfo, int flags)); 1056 1057 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, 1058 struct sockaddr *, int, 1059 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1060 1061 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa)); 1062 1063 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 1064 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1065 1066 __END_DECLS 1067 1068 #endif /* !_KERNEL */ 1069 #endif /* !__sctp_uio_h__ */ 1070