sctp_uio.h revision 219057
1/*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33/* $KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $ */ 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD: head/sys/netinet/sctp_uio.h 219057 2011-02-26 15:23:46Z rrs $"); 36 37#ifndef __sctp_uio_h__ 38#define __sctp_uio_h__ 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 48typedef uint32_t sctp_assoc_t; 49 50/* Compatibility to previous define's */ 51#define sctp_stream_reset_events sctp_stream_reset_event 52 53/* On/Off setup for subscription to events */ 54struct sctp_event_subscribe { 55 uint8_t sctp_data_io_event; 56 uint8_t sctp_association_event; 57 uint8_t sctp_address_event; 58 uint8_t sctp_send_failure_event; 59 uint8_t sctp_peer_error_event; 60 uint8_t sctp_shutdown_event; 61 uint8_t sctp_partial_delivery_event; 62 uint8_t sctp_adaptation_layer_event; 63 uint8_t sctp_authentication_event; 64 uint8_t sctp_sender_dry_event; 65 uint8_t sctp_stream_reset_event; 66}; 67 68/* ancillary data types */ 69#define SCTP_INIT 0x0001 70#define SCTP_SNDRCV 0x0002 71#define SCTP_EXTRCV 0x0003 72/* 73 * ancillary data structures 74 */ 75struct sctp_initmsg { 76 uint16_t sinit_num_ostreams; 77 uint16_t sinit_max_instreams; 78 uint16_t sinit_max_attempts; 79 uint16_t sinit_max_init_timeo; 80}; 81 82/* We add 96 bytes to the size of sctp_sndrcvinfo. 83 * This makes the current structure 128 bytes long 84 * which is nicely 64 bit aligned but also has room 85 * for us to add more and keep ABI compatibility. 86 * For example, already we have the sctp_extrcvinfo 87 * when enabled which is 48 bytes. 88 */ 89 90/* 91 * The assoc up needs a verfid 92 * all sendrcvinfo's need a verfid for SENDING only. 93 */ 94 95 96#define SCTP_ALIGN_RESV_PAD 96 97#define SCTP_ALIGN_RESV_PAD_SHORT 80 98 99struct sctp_sndrcvinfo { 100 uint16_t sinfo_stream; 101 uint16_t sinfo_ssn; 102 uint16_t sinfo_flags; 103 uint32_t sinfo_ppid; 104 uint32_t sinfo_context; 105 uint32_t sinfo_timetolive; 106 uint32_t sinfo_tsn; 107 uint32_t sinfo_cumtsn; 108 sctp_assoc_t sinfo_assoc_id; 109 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 110}; 111 112struct sctp_extrcvinfo { 113 uint16_t sinfo_stream; 114 uint16_t sinfo_ssn; 115 uint16_t sinfo_flags; 116 uint16_t sinfo_pr_policy; 117 uint32_t sinfo_ppid; 118 uint32_t sinfo_context; 119 uint32_t sinfo_timetolive; 120 uint32_t sinfo_tsn; 121 uint32_t sinfo_cumtsn; 122 sctp_assoc_t sinfo_assoc_id; 123 uint16_t sreinfo_next_flags; 124 uint16_t sreinfo_next_stream; 125 uint32_t sreinfo_next_aid; 126 uint32_t sreinfo_next_length; 127 uint32_t sreinfo_next_ppid; 128 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 129}; 130 131#define SCTP_NO_NEXT_MSG 0x0000 132#define SCTP_NEXT_MSG_AVAIL 0x0001 133#define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 134#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 135#define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 136 137struct sctp_snd_all_completes { 138 uint16_t sall_stream; 139 uint16_t sall_flags; 140 uint32_t sall_ppid; 141 uint32_t sall_context; 142 uint32_t sall_num_sent; 143 uint32_t sall_num_failed; 144}; 145 146/* Flags that go into the sinfo->sinfo_flags field */ 147#define SCTP_EOF 0x0100 /* Start shutdown procedures */ 148#define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 149#define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 150#define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 151#define SCTP_SENDALL 0x1000 /* Send this on all associations */ 152#define SCTP_EOR 0x2000 /* end of message signal */ 153#define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 154 155#define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \ 156 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 157 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 158 SCTP_SACK_IMMEDIATELY)) != 0) 159/* for the endpoint */ 160 161/* The lower byte is an enumeration of PR-SCTP policies */ 162#define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 163#define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 164#define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 165 166#define PR_SCTP_POLICY(x) ((x) & 0xff) 167#define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0) 168#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 169#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 170#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 171#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 172/* Stat's */ 173struct sctp_pcbinfo { 174 uint32_t ep_count; 175 uint32_t asoc_count; 176 uint32_t laddr_count; 177 uint32_t raddr_count; 178 uint32_t chk_count; 179 uint32_t readq_count; 180 uint32_t free_chunks; 181 uint32_t stream_oque; 182}; 183 184struct sctp_sockstat { 185 sctp_assoc_t ss_assoc_id; 186 uint32_t ss_total_sndbuf; 187 uint32_t ss_total_recv_buf; 188}; 189 190/* 191 * notification event structures 192 */ 193 194/* 195 * association change event 196 */ 197struct sctp_assoc_change { 198 uint16_t sac_type; 199 uint16_t sac_flags; 200 uint32_t sac_length; 201 uint16_t sac_state; 202 uint16_t sac_error; 203 uint16_t sac_outbound_streams; 204 uint16_t sac_inbound_streams; 205 sctp_assoc_t sac_assoc_id; 206}; 207 208/* sac_state values */ 209#define SCTP_COMM_UP 0x0001 210#define SCTP_COMM_LOST 0x0002 211#define SCTP_RESTART 0x0003 212#define SCTP_SHUTDOWN_COMP 0x0004 213#define SCTP_CANT_STR_ASSOC 0x0005 214 215 216/* 217 * Address event 218 */ 219struct sctp_paddr_change { 220 uint16_t spc_type; 221 uint16_t spc_flags; 222 uint32_t spc_length; 223 struct sockaddr_storage spc_aaddr; 224 uint32_t spc_state; 225 uint32_t spc_error; 226 sctp_assoc_t spc_assoc_id; 227 uint8_t spc_padding[4]; 228}; 229 230/* paddr state values */ 231#define SCTP_ADDR_AVAILABLE 0x0001 232#define SCTP_ADDR_UNREACHABLE 0x0002 233#define SCTP_ADDR_REMOVED 0x0003 234#define SCTP_ADDR_ADDED 0x0004 235#define SCTP_ADDR_MADE_PRIM 0x0005 236#define SCTP_ADDR_CONFIRMED 0x0006 237 238#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 239#define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ 240#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 241 242/* remote error events */ 243struct sctp_remote_error { 244 uint16_t sre_type; 245 uint16_t sre_flags; 246 uint32_t sre_length; 247 uint16_t sre_error; 248 sctp_assoc_t sre_assoc_id; 249 uint8_t sre_data[4]; 250}; 251 252/* data send failure event */ 253struct sctp_send_failed { 254 uint16_t ssf_type; 255 uint16_t ssf_flags; 256 uint32_t ssf_length; 257 uint32_t ssf_error; 258 struct sctp_sndrcvinfo ssf_info; 259 sctp_assoc_t ssf_assoc_id; 260 uint8_t ssf_data[]; 261}; 262 263/* flag that indicates state of data */ 264#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 265#define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 266 267/* shutdown event */ 268struct sctp_shutdown_event { 269 uint16_t sse_type; 270 uint16_t sse_flags; 271 uint32_t sse_length; 272 sctp_assoc_t sse_assoc_id; 273}; 274 275/* Adaptation layer indication stuff */ 276struct sctp_adaptation_event { 277 uint16_t sai_type; 278 uint16_t sai_flags; 279 uint32_t sai_length; 280 uint32_t sai_adaptation_ind; 281 sctp_assoc_t sai_assoc_id; 282}; 283 284struct sctp_setadaptation { 285 uint32_t ssb_adaptation_ind; 286}; 287 288/* compatible old spelling */ 289struct sctp_adaption_event { 290 uint16_t sai_type; 291 uint16_t sai_flags; 292 uint32_t sai_length; 293 uint32_t sai_adaption_ind; 294 sctp_assoc_t sai_assoc_id; 295}; 296 297struct sctp_setadaption { 298 uint32_t ssb_adaption_ind; 299}; 300 301 302/* 303 * Partial Delivery API event 304 */ 305struct sctp_pdapi_event { 306 uint16_t pdapi_type; 307 uint16_t pdapi_flags; 308 uint32_t pdapi_length; 309 uint32_t pdapi_indication; 310 uint16_t pdapi_stream; 311 uint16_t pdapi_seq; 312 sctp_assoc_t pdapi_assoc_id; 313}; 314 315/* indication values */ 316#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 317 318 319/* 320 * authentication key event 321 */ 322struct sctp_authkey_event { 323 uint16_t auth_type; 324 uint16_t auth_flags; 325 uint32_t auth_length; 326 uint16_t auth_keynumber; 327 uint16_t auth_altkeynumber; 328 uint32_t auth_indication; 329 sctp_assoc_t auth_assoc_id; 330}; 331 332/* indication values */ 333#define SCTP_AUTH_NEWKEY 0x0001 334#define SCTP_AUTH_NO_AUTH 0x0002 335#define SCTP_AUTH_FREE_KEY 0x0003 336 337 338struct sctp_sender_dry_event { 339 uint16_t sender_dry_type; 340 uint16_t sender_dry_flags; 341 uint32_t sender_dry_length; 342 sctp_assoc_t sender_dry_assoc_id; 343}; 344 345 346/* 347 * stream reset event 348 */ 349struct sctp_stream_reset_event { 350 uint16_t strreset_type; 351 uint16_t strreset_flags; 352 uint32_t strreset_length; 353 sctp_assoc_t strreset_assoc_id; 354 uint16_t strreset_list[]; 355}; 356 357/* flags in strreset_flags field */ 358#define SCTP_STRRESET_INBOUND_STR 0x0001 359#define SCTP_STRRESET_OUTBOUND_STR 0x0002 360#define SCTP_STRRESET_ALL_STREAMS 0x0004 361#define SCTP_STRRESET_STREAM_LIST 0x0008 362#define SCTP_STRRESET_FAILED 0x0010 363#define SCTP_STRRESET_ADD_STREAM 0x0020 364 365/* SCTP notification event */ 366struct sctp_tlv { 367 uint16_t sn_type; 368 uint16_t sn_flags; 369 uint32_t sn_length; 370}; 371 372union sctp_notification { 373 struct sctp_tlv sn_header; 374 struct sctp_assoc_change sn_assoc_change; 375 struct sctp_paddr_change sn_paddr_change; 376 struct sctp_remote_error sn_remote_error; 377 struct sctp_send_failed sn_send_failed; 378 struct sctp_shutdown_event sn_shutdown_event; 379 struct sctp_adaptation_event sn_adaptation_event; 380 /* compatibility same as above */ 381 struct sctp_adaption_event sn_adaption_event; 382 struct sctp_pdapi_event sn_pdapi_event; 383 struct sctp_authkey_event sn_auth_event; 384 struct sctp_sender_dry_event sn_sender_dry_event; 385 struct sctp_stream_reset_event sn_strreset_event; 386}; 387 388/* notification types */ 389#define SCTP_ASSOC_CHANGE 0x0001 390#define SCTP_PEER_ADDR_CHANGE 0x0002 391#define SCTP_REMOTE_ERROR 0x0003 392#define SCTP_SEND_FAILED 0x0004 393#define SCTP_SHUTDOWN_EVENT 0x0005 394#define SCTP_ADAPTATION_INDICATION 0x0006 395/* same as above */ 396#define SCTP_ADAPTION_INDICATION 0x0006 397#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 398#define SCTP_AUTHENTICATION_EVENT 0x0008 399#define SCTP_STREAM_RESET_EVENT 0x0009 400#define SCTP_SENDER_DRY_EVENT 0x000a 401#define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */ 402/* 403 * socket option structs 404 */ 405 406struct sctp_paddrparams { 407 struct sockaddr_storage spp_address; 408 sctp_assoc_t spp_assoc_id; 409 uint32_t spp_hbinterval; 410 uint32_t spp_pathmtu; 411 uint32_t spp_flags; 412 uint32_t spp_ipv6_flowlabel; 413 uint16_t spp_pathmaxrxt; 414 uint8_t spp_ipv4_tos; 415}; 416 417#define SPP_HB_ENABLE 0x00000001 418#define SPP_HB_DISABLE 0x00000002 419#define SPP_HB_DEMAND 0x00000004 420#define SPP_PMTUD_ENABLE 0x00000008 421#define SPP_PMTUD_DISABLE 0x00000010 422#define SPP_HB_TIME_IS_ZERO 0x00000080 423#define SPP_IPV6_FLOWLABEL 0x00000100 424#define SPP_IPV4_TOS 0x00000200 425 426struct sctp_paddrinfo { 427 struct sockaddr_storage spinfo_address; 428 sctp_assoc_t spinfo_assoc_id; 429 int32_t spinfo_state; 430 uint32_t spinfo_cwnd; 431 uint32_t spinfo_srtt; 432 uint32_t spinfo_rto; 433 uint32_t spinfo_mtu; 434}; 435 436struct sctp_rtoinfo { 437 sctp_assoc_t srto_assoc_id; 438 uint32_t srto_initial; 439 uint32_t srto_max; 440 uint32_t srto_min; 441}; 442 443struct sctp_assocparams { 444 sctp_assoc_t sasoc_assoc_id; 445 uint32_t sasoc_peer_rwnd; 446 uint32_t sasoc_local_rwnd; 447 uint32_t sasoc_cookie_life; 448 uint16_t sasoc_asocmaxrxt; 449 uint16_t sasoc_number_peer_destinations; 450}; 451 452struct sctp_setprim { 453 struct sockaddr_storage ssp_addr; 454 sctp_assoc_t ssp_assoc_id; 455 uint8_t ssp_padding[4]; 456}; 457 458struct sctp_setpeerprim { 459 struct sockaddr_storage sspp_addr; 460 sctp_assoc_t sspp_assoc_id; 461 uint8_t sspp_padding[4]; 462}; 463 464struct sctp_getaddresses { 465 sctp_assoc_t sget_assoc_id; 466 /* addr is filled in for N * sockaddr_storage */ 467 struct sockaddr addr[1]; 468}; 469 470struct sctp_setstrm_timeout { 471 sctp_assoc_t ssto_assoc_id; 472 uint32_t ssto_timeout; 473 uint32_t ssto_streamid_start; 474 uint32_t ssto_streamid_end; 475}; 476 477struct sctp_status { 478 sctp_assoc_t sstat_assoc_id; 479 int32_t sstat_state; 480 uint32_t sstat_rwnd; 481 uint16_t sstat_unackdata; 482 uint16_t sstat_penddata; 483 uint16_t sstat_instrms; 484 uint16_t sstat_outstrms; 485 uint32_t sstat_fragmentation_point; 486 struct sctp_paddrinfo sstat_primary; 487}; 488 489/* 490 * AUTHENTICATION support 491 */ 492/* SCTP_AUTH_CHUNK */ 493struct sctp_authchunk { 494 uint8_t sauth_chunk; 495}; 496 497/* SCTP_AUTH_KEY */ 498struct sctp_authkey { 499 sctp_assoc_t sca_assoc_id; 500 uint16_t sca_keynumber; 501 uint8_t sca_key[]; 502}; 503 504/* SCTP_HMAC_IDENT */ 505struct sctp_hmacalgo { 506 uint32_t shmac_number_of_idents; 507 uint16_t shmac_idents[]; 508}; 509 510/* AUTH hmac_id */ 511#define SCTP_AUTH_HMAC_ID_RSVD 0x0000 512#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 513#define SCTP_AUTH_HMAC_ID_SHA256 0x0003 514#define SCTP_AUTH_HMAC_ID_SHA224 0x0004 515#define SCTP_AUTH_HMAC_ID_SHA384 0x0005 516#define SCTP_AUTH_HMAC_ID_SHA512 0x0006 517 518 519/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 520struct sctp_authkeyid { 521 sctp_assoc_t scact_assoc_id; 522 uint16_t scact_keynumber; 523}; 524 525/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 526struct sctp_authchunks { 527 sctp_assoc_t gauth_assoc_id; 528 uint8_t gauth_chunks[]; 529}; 530 531struct sctp_assoc_value { 532 sctp_assoc_t assoc_id; 533 uint32_t assoc_value; 534}; 535 536struct sctp_cc_option { 537 int option; 538 struct sctp_assoc_value aid_value; 539}; 540 541struct sctp_stream_value { 542 sctp_assoc_t assoc_id; 543 uint16_t stream_id; 544 uint16_t stream_value; 545}; 546 547struct sctp_assoc_ids { 548 uint32_t gaids_number_of_ids; 549 sctp_assoc_t gaids_assoc_id[]; 550}; 551 552struct sctp_sack_info { 553 sctp_assoc_t sack_assoc_id; 554 uint32_t sack_delay; 555 uint32_t sack_freq; 556}; 557 558struct sctp_timeouts { 559 sctp_assoc_t stimo_assoc_id; 560 uint32_t stimo_init; 561 uint32_t stimo_data; 562 uint32_t stimo_sack; 563 uint32_t stimo_shutdown; 564 uint32_t stimo_heartbeat; 565 uint32_t stimo_cookie; 566 uint32_t stimo_shutdownack; 567}; 568 569struct sctp_cwnd_args { 570 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 571 uint32_t cwnd_new_value;/* cwnd in k */ 572 uint32_t pseudo_cumack; 573 uint16_t inflight; /* flightsize in k */ 574 uint16_t cwnd_augment; /* increment to it */ 575 uint8_t meets_pseudo_cumack; 576 uint8_t need_new_pseudo_cumack; 577 uint8_t cnt_in_send; 578 uint8_t cnt_in_str; 579}; 580 581struct sctp_blk_args { 582 uint32_t onsb; /* in 1k bytes */ 583 uint32_t sndlen; /* len of send being attempted */ 584 uint32_t peer_rwnd; /* rwnd of peer */ 585 uint16_t send_sent_qcnt;/* chnk cnt */ 586 uint16_t stream_qcnt; /* chnk cnt */ 587 uint16_t chunks_on_oque;/* chunks out */ 588 uint16_t flight_size; /* flight size in k */ 589}; 590 591/* 592 * Max we can reset in one setting, note this is dictated not by the define 593 * but the size of a mbuf cluster so don't change this define and think you 594 * can specify more. You must do multiple resets if you want to reset more 595 * than SCTP_MAX_EXPLICIT_STR_RESET. 596 */ 597#define SCTP_MAX_EXPLICT_STR_RESET 1000 598 599#define SCTP_RESET_LOCAL_RECV 0x0001 600#define SCTP_RESET_LOCAL_SEND 0x0002 601#define SCTP_RESET_BOTH 0x0003 602#define SCTP_RESET_TSN 0x0004 603#define SCTP_RESET_ADD_STREAMS 0x0005 604 605struct sctp_stream_reset { 606 sctp_assoc_t strrst_assoc_id; 607 uint16_t strrst_flags; 608 uint16_t strrst_num_streams; /* 0 == ALL */ 609 uint16_t strrst_list[]; /* list if strrst_num_streams is not 0 */ 610}; 611 612 613struct sctp_get_nonce_values { 614 sctp_assoc_t gn_assoc_id; 615 uint32_t gn_peers_tag; 616 uint32_t gn_local_tag; 617}; 618 619/* Debugging logs */ 620struct sctp_str_log { 621 void *stcb; /* FIXME: LP64 issue */ 622 uint32_t n_tsn; 623 uint32_t e_tsn; 624 uint16_t n_sseq; 625 uint16_t e_sseq; 626 uint16_t strm; 627}; 628 629struct sctp_sb_log { 630 void *stcb; /* FIXME: LP64 issue */ 631 uint32_t so_sbcc; 632 uint32_t stcb_sbcc; 633 uint32_t incr; 634}; 635 636struct sctp_fr_log { 637 uint32_t largest_tsn; 638 uint32_t largest_new_tsn; 639 uint32_t tsn; 640}; 641 642struct sctp_fr_map { 643 uint32_t base; 644 uint32_t cum; 645 uint32_t high; 646}; 647 648struct sctp_rwnd_log { 649 uint32_t rwnd; 650 uint32_t send_size; 651 uint32_t overhead; 652 uint32_t new_rwnd; 653}; 654 655struct sctp_mbcnt_log { 656 uint32_t total_queue_size; 657 uint32_t size_change; 658 uint32_t total_queue_mb_size; 659 uint32_t mbcnt_change; 660}; 661 662struct sctp_sack_log { 663 uint32_t cumack; 664 uint32_t oldcumack; 665 uint32_t tsn; 666 uint16_t numGaps; 667 uint16_t numDups; 668}; 669 670struct sctp_lock_log { 671 void *sock; /* FIXME: LP64 issue */ 672 void *inp; /* FIXME: LP64 issue */ 673 uint8_t tcb_lock; 674 uint8_t inp_lock; 675 uint8_t info_lock; 676 uint8_t sock_lock; 677 uint8_t sockrcvbuf_lock; 678 uint8_t socksndbuf_lock; 679 uint8_t create_lock; 680 uint8_t resv; 681}; 682 683struct sctp_rto_log { 684 void *net; /* FIXME: LP64 issue */ 685 uint32_t rtt; 686}; 687 688struct sctp_nagle_log { 689 void *stcb; /* FIXME: LP64 issue */ 690 uint32_t total_flight; 691 uint32_t total_in_queue; 692 uint16_t count_in_queue; 693 uint16_t count_in_flight; 694}; 695 696struct sctp_sbwake_log { 697 void *stcb; /* FIXME: LP64 issue */ 698 uint16_t send_q; 699 uint16_t sent_q; 700 uint16_t flight; 701 uint16_t wake_cnt; 702 uint8_t stream_qcnt; /* chnk cnt */ 703 uint8_t chunks_on_oque; /* chunks out */ 704 uint8_t sbflags; 705 uint8_t sctpflags; 706}; 707 708struct sctp_misc_info { 709 uint32_t log1; 710 uint32_t log2; 711 uint32_t log3; 712 uint32_t log4; 713}; 714 715struct sctp_log_closing { 716 void *inp; /* FIXME: LP64 issue */ 717 void *stcb; /* FIXME: LP64 issue */ 718 uint32_t sctp_flags; 719 uint16_t state; 720 int16_t loc; 721}; 722 723struct sctp_mbuf_log { 724 struct mbuf *mp; /* FIXME: LP64 issue */ 725 caddr_t ext; 726 caddr_t data; 727 uint16_t size; 728 uint8_t refcnt; 729 uint8_t mbuf_flags; 730}; 731 732struct sctp_cwnd_log { 733 uint64_t time_event; 734 uint8_t from; 735 uint8_t event_type; 736 uint8_t resv[2]; 737 union { 738 struct sctp_log_closing close; 739 struct sctp_blk_args blk; 740 struct sctp_cwnd_args cwnd; 741 struct sctp_str_log strlog; 742 struct sctp_fr_log fr; 743 struct sctp_fr_map map; 744 struct sctp_rwnd_log rwnd; 745 struct sctp_mbcnt_log mbcnt; 746 struct sctp_sack_log sack; 747 struct sctp_lock_log lock; 748 struct sctp_rto_log rto; 749 struct sctp_sb_log sb; 750 struct sctp_nagle_log nagle; 751 struct sctp_sbwake_log wake; 752 struct sctp_mbuf_log mb; 753 struct sctp_misc_info misc; 754 } x; 755}; 756 757struct sctp_cwnd_log_req { 758 int32_t num_in_log; /* Number in log */ 759 int32_t num_ret; /* Number returned */ 760 int32_t start_at; /* start at this one */ 761 int32_t end_at; /* end at this one */ 762 struct sctp_cwnd_log log[]; 763}; 764 765struct sctp_timeval { 766 uint32_t tv_sec; 767 uint32_t tv_usec; 768}; 769 770struct sctpstat { 771 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 772 * (TimeStamp) */ 773 /* MIB according to RFC 3873 */ 774 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 775 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 776 uint32_t sctps_restartestab; 777 uint32_t sctps_collisionestab; 778 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 779 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 780 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 781 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 782 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 783 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 784 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 785 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 786 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 787 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 788 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 789 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 790 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 791 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 792 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 793 794 /* input statistics: */ 795 uint32_t sctps_recvpackets; /* total input packets */ 796 uint32_t sctps_recvdatagrams; /* total input datagrams */ 797 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 798 uint32_t sctps_recvsacks; /* total input SACK chunks */ 799 uint32_t sctps_recvdata;/* total input DATA chunks */ 800 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 801 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 802 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 803 uint32_t sctps_recvecne;/* total input ECNE chunks */ 804 uint32_t sctps_recvauth;/* total input AUTH chunks */ 805 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 806 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 807 * received */ 808 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 809 * received */ 810 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 811 uint32_t sctps_recvexpress; /* total fast path receives all one 812 * chunk */ 813 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 814 uint32_t sctps_recvnocrc; 815 uint32_t sctps_recvswcrc; 816 uint32_t sctps_recvhwcrc; 817 818 /* output statistics: */ 819 uint32_t sctps_sendpackets; /* total output packets */ 820 uint32_t sctps_sendsacks; /* total output SACKs */ 821 uint32_t sctps_senddata;/* total output DATA chunks */ 822 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 823 * chunks */ 824 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 825 * DATA chunks */ 826 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 827 * more than once to same 828 * chunk (u-del multi-fr 829 * algo). */ 830 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 831 uint32_t sctps_sendecne;/* total output ECNE chunks */ 832 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 833 uint32_t sctps_senderrors; /* ip_output error counter */ 834 uint32_t sctps_sendnocrc; 835 uint32_t sctps_sendswcrc; 836 uint32_t sctps_sendhwcrc; 837 /* PCKDROPREP statistics: */ 838 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 839 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 840 uint32_t sctps_pdrpmbda;/* P-drops with data */ 841 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 842 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 843 * only */ 844 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 845 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 846 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 847 * said break */ 848 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 849 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 850 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 851 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 852 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 853 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 854 /* timeouts */ 855 uint32_t sctps_timoiterator; /* Number of iterator timers that 856 * fired */ 857 uint32_t sctps_timodata;/* Number of T3 data time outs */ 858 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 859 * that fired */ 860 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 861 uint32_t sctps_timosack;/* Number of sack timers that fired */ 862 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 863 * fired */ 864 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 865 * fired */ 866 uint32_t sctps_timocookie; /* Number of times a cookie timeout 867 * fired */ 868 uint32_t sctps_timosecret; /* Number of times an endpoint changed 869 * its cookie secret */ 870 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 871 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 872 * fired */ 873 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 874 * timers that fired */ 875 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 876 * fired */ 877 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 878 * fired */ 879 uint32_t sctps_timoasconf; /* Number of times an asconf timer 880 * fired */ 881 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 882 * timer fired */ 883 uint32_t sctps_timoautoclose; /* Number of times auto close timer 884 * fired */ 885 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 886 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 887 /* Early fast retransmission counters */ 888 uint32_t sctps_earlyfrstart; 889 uint32_t sctps_earlyfrstop; 890 uint32_t sctps_earlyfrmrkretrans; 891 uint32_t sctps_earlyfrstpout; 892 uint32_t sctps_earlyfrstpidsck1; 893 uint32_t sctps_earlyfrstpidsck2; 894 uint32_t sctps_earlyfrstpidsck3; 895 uint32_t sctps_earlyfrstpidsck4; 896 uint32_t sctps_earlyfrstrid; 897 uint32_t sctps_earlyfrstrout; 898 uint32_t sctps_earlyfrstrtmr; 899 /* others */ 900 uint32_t sctps_hdrops; /* packet shorter than header */ 901 uint32_t sctps_badsum; /* checksum error */ 902 uint32_t sctps_noport; /* no endpoint for port */ 903 uint32_t sctps_badvtag; /* bad v-tag */ 904 uint32_t sctps_badsid; /* bad SID */ 905 uint32_t sctps_nomem; /* no memory */ 906 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 907 * RTT window */ 908 uint32_t sctps_markedretrans; 909 uint32_t sctps_naglesent; /* nagle allowed sending */ 910 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 911 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 912 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 913 * interface ring buffer OR we had a 914 * send error and are queuing one 915 * send. */ 916 uint32_t sctps_windowprobed; /* total number of window probes sent */ 917 uint32_t sctps_lowlevelerr; /* total times an output error causes 918 * us to clamp down on next user send. */ 919 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 920 * caused from a user send from a user 921 * invoked send not a sack response */ 922 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 923 * chunk limit reached */ 924 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 925 * limit reached */ 926 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 927 * cwnd */ 928 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 929 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 930 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 931 * of user data on primary */ 932 uint32_t sctps_cmt_randry; /* Same for above */ 933 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 934 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 935 uint32_t sctps_sends_with_flags; /* number of sends with 936 * sinfo_flags !=0 */ 937 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 938 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 939 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 940 * flag set */ 941 uint32_t sctps_protocol_drain_calls; /* number of times protocol 942 * drain called */ 943 uint32_t sctps_protocol_drains_done; /* number of times we did a 944 * protocol drain */ 945 uint32_t sctps_read_peeks; /* Number of times recv was called 946 * with peek */ 947 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 948 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 949 uint32_t sctps_left_abandon; /* Number of unread messages abandoned 950 * by close */ 951 uint32_t sctps_send_burst_avoid; /* Unused */ 952 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 953 * max burst inflight to net */ 954 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 955 * fwd-tsn's */ 956 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or 957 * updated an ECN chunk on send queue */ 958 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's 959 * from here when adding new */ 960}; 961 962#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 963#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 964#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 965#define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 966#define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 967#else 968#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 969#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 970#endif 971/* The following macros are for handling MIB values, */ 972#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 973#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 974#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 975#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 976#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 977#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 978 979union sctp_sockstore { 980#if defined(INET) || !defined(_KERNEL) 981 struct sockaddr_in sin; 982#endif 983#if defined(INET6) || !defined(_KERNEL) 984 struct sockaddr_in6 sin6; 985#endif 986 struct sockaddr sa; 987}; 988 989 990/***********************************/ 991/* And something for us old timers */ 992/***********************************/ 993 994#ifndef ntohll 995#include <sys/endian.h> 996#define ntohll(x) be64toh(x) 997#endif 998 999#ifndef htonll 1000#include <sys/endian.h> 1001#define htonll(x) htobe64(x) 1002#endif 1003/***********************************/ 1004 1005 1006struct xsctp_inpcb { 1007 uint32_t last; 1008 uint32_t flags; 1009 uint32_t features; 1010 uint32_t total_sends; 1011 uint32_t total_recvs; 1012 uint32_t total_nospaces; 1013 uint32_t fragmentation_point; 1014 uint16_t local_port; 1015 uint16_t qlen; 1016 uint16_t maxqlen; 1017 uint32_t extra_padding[32]; /* future */ 1018}; 1019 1020struct xsctp_tcb { 1021 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1022 uint32_t last; 1023 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1024 uint32_t state; /* sctpAssocEntry 8 */ 1025 uint32_t in_streams; /* sctpAssocEntry 9 */ 1026 uint32_t out_streams; /* sctpAssocEntry 10 */ 1027 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1028 uint32_t primary_process; /* sctpAssocEntry 12 */ 1029 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1030 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1031 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1032 uint32_t total_sends; 1033 uint32_t total_recvs; 1034 uint32_t local_tag; 1035 uint32_t remote_tag; 1036 uint32_t initial_tsn; 1037 uint32_t highest_tsn; 1038 uint32_t cumulative_tsn; 1039 uint32_t cumulative_tsn_ack; 1040 uint32_t mtu; 1041 uint32_t refcnt; 1042 uint16_t local_port; /* sctpAssocEntry 3 */ 1043 uint16_t remote_port; /* sctpAssocEntry 4 */ 1044 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1045 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1046 uint32_t peers_rwnd; 1047 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1048 uint32_t extra_padding[32]; /* future */ 1049}; 1050 1051struct xsctp_laddr { 1052 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1053 uint32_t last; 1054 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1055 uint32_t extra_padding[32]; /* future */ 1056}; 1057 1058struct xsctp_raddr { 1059 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1060 uint32_t last; 1061 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1062 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1063 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1064 uint32_t error_counter; /* */ 1065 uint32_t cwnd; /* */ 1066 uint32_t flight_size; /* */ 1067 uint32_t mtu; /* */ 1068 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1069 uint8_t confirmed; /* */ 1070 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1071 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1072 uint32_t rtt; 1073 uint32_t extra_padding[32]; /* future */ 1074}; 1075 1076#define SCTP_MAX_LOGGING_SIZE 30000 1077#define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1078 1079struct sctp_log_entry { 1080 uint64_t timestamp; 1081 uint32_t subsys; 1082 uint32_t padding; 1083 uint32_t params[SCTP_TRACE_PARAMS]; 1084}; 1085 1086struct sctp_log { 1087 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1088 uint32_t index; 1089 uint32_t padding; 1090}; 1091 1092/* 1093 * Kernel defined for sctp_send 1094 */ 1095#if defined(_KERNEL) || defined(__Userspace__) 1096int 1097sctp_lower_sosend(struct socket *so, 1098 struct sockaddr *addr, 1099 struct uio *uio, 1100 struct mbuf *i_pak, 1101 struct mbuf *control, 1102 int flags, 1103 struct sctp_sndrcvinfo *srcv 1104 ,struct thread *p 1105); 1106 1107int 1108sctp_sorecvmsg(struct socket *so, 1109 struct uio *uio, 1110 struct mbuf **mp, 1111 struct sockaddr *from, 1112 int fromlen, 1113 int *msg_flags, 1114 struct sctp_sndrcvinfo *sinfo, 1115 int filling_sinfo); 1116 1117#endif 1118 1119/* 1120 * API system calls 1121 */ 1122#if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1123 1124__BEGIN_DECLS 1125int sctp_peeloff __P((int, sctp_assoc_t)); 1126int sctp_bindx __P((int, struct sockaddr *, int, int)); 1127int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1128int sctp_getaddrlen __P((sa_family_t)); 1129int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1130void sctp_freepaddrs __P((struct sockaddr *)); 1131int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1132void sctp_freeladdrs __P((struct sockaddr *)); 1133int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1134 1135ssize_t sctp_sendmsg 1136__P((int, const void *, size_t, 1137 const struct sockaddr *, 1138 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1139 1140 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 1141 const struct sctp_sndrcvinfo *sinfo, int flags)); 1142 1143 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len, 1144 struct sockaddr *addrs, int addrcnt, 1145 struct sctp_sndrcvinfo *sinfo, int flags)); 1146 1147 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, 1148 struct sockaddr *, int, 1149 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1150 1151 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa)); 1152 1153 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 1154 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1155 1156__END_DECLS 1157 1158#endif /* !_KERNEL */ 1159#endif /* !__sctp_uio_h__ */ 1160