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 <netinet/in.h> 45 46 typedef uint32_t sctp_assoc_t; 47 48 /* Compatibility to previous define's */ 49 #define sctp_stream_reset_events sctp_stream_reset_event 50 51 /* On/Off setup for subscription to events */ 52 struct sctp_event_subscribe { 53 uint8_t sctp_data_io_event; 54 uint8_t sctp_association_event; 55 uint8_t sctp_address_event; 56 uint8_t sctp_send_failure_event; 57 uint8_t sctp_peer_error_event; 58 uint8_t sctp_shutdown_event; 59 uint8_t sctp_partial_delivery_event; 60 uint8_t sctp_adaptation_layer_event; 61 uint8_t sctp_authentication_event; 62 uint8_t sctp_sender_dry_event; 63 uint8_t sctp_stream_reset_event; 64 }; 65 66 /* ancillary data types */ 67 #define SCTP_INIT 0x0001 68 #define SCTP_SNDRCV 0x0002 69 #define SCTP_EXTRCV 0x0003 70 /* 71 * ancillary data structures 72 */ 73 struct sctp_initmsg { 74 uint16_t sinit_num_ostreams; 75 uint16_t sinit_max_instreams; 76 uint16_t sinit_max_attempts; 77 uint16_t sinit_max_init_timeo; 78 }; 79 80 /* We add 96 bytes to the size of sctp_sndrcvinfo. 81 * This makes the current structure 128 bytes long 82 * which is nicely 64 bit aligned but also has room 83 * for us to add more and keep ABI compatability. 84 * For example, already we have the sctp_extrcvinfo 85 * when enabled which is 48 bytes. 86 */ 87 88 /* 89 * The assoc up needs a verfid 90 * all sendrcvinfo's need a verfid for SENDING only. 91 */ 92 93 94 #define SCTP_ALIGN_RESV_PAD 96 95 #define SCTP_ALIGN_RESV_PAD_SHORT 80 96 97 struct sctp_sndrcvinfo { 98 uint16_t sinfo_stream; 99 uint16_t sinfo_ssn; 100 uint16_t sinfo_flags; 101 uint32_t sinfo_ppid; 102 uint32_t sinfo_context; 103 uint32_t sinfo_timetolive; 104 uint32_t sinfo_tsn; 105 uint32_t sinfo_cumtsn; 106 sctp_assoc_t sinfo_assoc_id; 107 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 108 }; 109 110 struct sctp_extrcvinfo { 111 uint16_t sinfo_stream; 112 uint16_t sinfo_ssn; 113 uint16_t sinfo_flags; 114 uint16_t sinfo_pr_policy; 115 uint32_t sinfo_ppid; 116 uint32_t sinfo_context; 117 uint32_t sinfo_timetolive; 118 uint32_t sinfo_tsn; 119 uint32_t sinfo_cumtsn; 120 sctp_assoc_t sinfo_assoc_id; 121 uint16_t sreinfo_next_flags; 122 uint16_t sreinfo_next_stream; 123 uint32_t sreinfo_next_aid; 124 uint32_t sreinfo_next_length; 125 uint32_t sreinfo_next_ppid; 126 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 127 }; 128 129 #define SCTP_NO_NEXT_MSG 0x0000 130 #define SCTP_NEXT_MSG_AVAIL 0x0001 131 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 132 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 133 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 134 135 struct sctp_snd_all_completes { 136 uint16_t sall_stream; 137 uint16_t sall_flags; 138 uint32_t sall_ppid; 139 uint32_t sall_context; 140 uint32_t sall_num_sent; 141 uint32_t sall_num_failed; 142 }; 143 144 /* Flags that go into the sinfo->sinfo_flags field */ 145 #define SCTP_EOF 0x0100 /* Start shutdown procedures */ 146 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 147 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 148 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 149 #define SCTP_SENDALL 0x1000 /* Send this on all associations */ 150 #define SCTP_EOR 0x2000 /* end of message signal */ 151 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 152 153 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \ 154 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 155 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 156 SCTP_SACK_IMMEDIATELY)) != 0) 157 /* for the endpoint */ 158 159 /* The lower byte is an enumeration of PR-SCTP policies */ 160 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 161 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 162 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 163 164 #define PR_SCTP_POLICY(x) ((x) & 0xff) 165 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0) 166 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 167 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 168 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 169 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 170 /* Stat's */ 171 struct sctp_pcbinfo { 172 uint32_t ep_count; 173 uint32_t asoc_count; 174 uint32_t laddr_count; 175 uint32_t raddr_count; 176 uint32_t chk_count; 177 uint32_t readq_count; 178 uint32_t free_chunks; 179 uint32_t stream_oque; 180 }; 181 182 struct sctp_sockstat { 183 sctp_assoc_t ss_assoc_id; 184 uint32_t ss_total_sndbuf; 185 uint32_t ss_total_recv_buf; 186 }; 187 188 /* 189 * notification event structures 190 */ 191 192 /* 193 * association change event 194 */ 195 struct sctp_assoc_change { 196 uint16_t sac_type; 197 uint16_t sac_flags; 198 uint32_t sac_length; 199 uint16_t sac_state; 200 uint16_t sac_error; 201 uint16_t sac_outbound_streams; 202 uint16_t sac_inbound_streams; 203 sctp_assoc_t sac_assoc_id; 204 }; 205 206 /* sac_state values */ 207 #define SCTP_COMM_UP 0x0001 208 #define SCTP_COMM_LOST 0x0002 209 #define SCTP_RESTART 0x0003 210 #define SCTP_SHUTDOWN_COMP 0x0004 211 #define SCTP_CANT_STR_ASSOC 0x0005 212 213 214 /* 215 * Address event 216 */ 217 struct sctp_paddr_change { 218 uint16_t spc_type; 219 uint16_t spc_flags; 220 uint32_t spc_length; 221 struct sockaddr_storage spc_aaddr; 222 uint32_t spc_state; 223 uint32_t spc_error; 224 sctp_assoc_t spc_assoc_id; 225 uint8_t spc_padding[4]; 226 }; 227 228 /* paddr state values */ 229 #define SCTP_ADDR_AVAILABLE 0x0001 230 #define SCTP_ADDR_UNREACHABLE 0x0002 231 #define SCTP_ADDR_REMOVED 0x0003 232 #define SCTP_ADDR_ADDED 0x0004 233 #define SCTP_ADDR_MADE_PRIM 0x0005 234 #define SCTP_ADDR_CONFIRMED 0x0006 235 236 /* 237 * CAUTION: these are user exposed SCTP addr reachability states must be 238 * compatible with SCTP_ADDR states in sctp_constants.h 239 */ 240 #ifdef SCTP_ACTIVE 241 #undef SCTP_ACTIVE 242 #endif 243 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 244 245 #ifdef SCTP_INACTIVE 246 #undef SCTP_INACTIVE 247 #endif 248 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ 249 250 #ifdef SCTP_UNCONFIRMED 251 #undef SCTP_UNCONFIRMED 252 #endif 253 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 254 255 #ifdef SCTP_NOHEARTBEAT 256 #undef SCTP_NOHEARTBEAT 257 #endif 258 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */ 259 260 261 /* remote error events */ 262 struct sctp_remote_error { 263 uint16_t sre_type; 264 uint16_t sre_flags; 265 uint32_t sre_length; 266 uint16_t sre_error; 267 sctp_assoc_t sre_assoc_id; 268 uint8_t sre_data[4]; 269 }; 270 271 /* data send failure event */ 272 struct sctp_send_failed { 273 uint16_t ssf_type; 274 uint16_t ssf_flags; 275 uint32_t ssf_length; 276 uint32_t ssf_error; 277 struct sctp_sndrcvinfo ssf_info; 278 sctp_assoc_t ssf_assoc_id; 279 uint8_t ssf_data[]; 280 }; 281 282 /* flag that indicates state of data */ 283 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 284 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 285 286 /* shutdown event */ 287 struct sctp_shutdown_event { 288 uint16_t sse_type; 289 uint16_t sse_flags; 290 uint32_t sse_length; 291 sctp_assoc_t sse_assoc_id; 292 }; 293 294 /* Adaptation layer indication stuff */ 295 struct sctp_adaptation_event { 296 uint16_t sai_type; 297 uint16_t sai_flags; 298 uint32_t sai_length; 299 uint32_t sai_adaptation_ind; 300 sctp_assoc_t sai_assoc_id; 301 }; 302 303 struct sctp_setadaptation { 304 uint32_t ssb_adaptation_ind; 305 }; 306 307 /* compatable old spelling */ 308 struct sctp_adaption_event { 309 uint16_t sai_type; 310 uint16_t sai_flags; 311 uint32_t sai_length; 312 uint32_t sai_adaption_ind; 313 sctp_assoc_t sai_assoc_id; 314 }; 315 316 struct sctp_setadaption { 317 uint32_t ssb_adaption_ind; 318 }; 319 320 321 /* 322 * Partial Delivery API event 323 */ 324 struct sctp_pdapi_event { 325 uint16_t pdapi_type; 326 uint16_t pdapi_flags; 327 uint32_t pdapi_length; 328 uint32_t pdapi_indication; 329 uint16_t pdapi_stream; 330 uint16_t pdapi_seq; 331 sctp_assoc_t pdapi_assoc_id; 332 }; 333 334 /* indication values */ 335 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 336 337 338 /* 339 * authentication key event 340 */ 341 struct sctp_authkey_event { 342 uint16_t auth_type; 343 uint16_t auth_flags; 344 uint32_t auth_length; 345 uint16_t auth_keynumber; 346 uint16_t auth_altkeynumber; 347 uint32_t auth_indication; 348 sctp_assoc_t auth_assoc_id; 349 }; 350 351 /* indication values */ 352 #define SCTP_AUTH_NEWKEY 0x0001 353 #define SCTP_AUTH_NO_AUTH 0x0002 354 #define SCTP_AUTH_FREE_KEY 0x0003 355 356 357 struct sctp_sender_dry_event { 358 uint16_t sender_dry_type; 359 uint16_t sender_dry_flags; 360 uint32_t sender_dry_length; 361 sctp_assoc_t sender_dry_assoc_id; 362 }; 363 364 365 /* 366 * stream reset event 367 */ 368 struct sctp_stream_reset_event { 369 uint16_t strreset_type; 370 uint16_t strreset_flags; 371 uint32_t strreset_length; 372 sctp_assoc_t strreset_assoc_id; 373 uint16_t strreset_list[]; 374 }; 375 376 /* flags in strreset_flags field */ 377 #define SCTP_STRRESET_INBOUND_STR 0x0001 378 #define SCTP_STRRESET_OUTBOUND_STR 0x0002 379 #define SCTP_STRRESET_ALL_STREAMS 0x0004 380 #define SCTP_STRRESET_STREAM_LIST 0x0008 381 #define SCTP_STRRESET_FAILED 0x0010 382 #define SCTP_STRRESET_ADD_STREAM 0x0020 383 384 /* SCTP notification event */ 385 struct sctp_tlv { 386 uint16_t sn_type; 387 uint16_t sn_flags; 388 uint32_t sn_length; 389 }; 390 391 union sctp_notification { 392 struct sctp_tlv sn_header; 393 struct sctp_assoc_change sn_assoc_change; 394 struct sctp_paddr_change sn_paddr_change; 395 struct sctp_remote_error sn_remote_error; 396 struct sctp_send_failed sn_send_failed; 397 struct sctp_shutdown_event sn_shutdown_event; 398 struct sctp_adaptation_event sn_adaptation_event; 399 /* compatability same as above */ 400 struct sctp_adaption_event sn_adaption_event; 401 struct sctp_pdapi_event sn_pdapi_event; 402 struct sctp_authkey_event sn_auth_event; 403 struct sctp_sender_dry_event sn_sender_dry_event; 404 struct sctp_stream_reset_event sn_strreset_event; 405 }; 406 407 /* notification types */ 408 #define SCTP_ASSOC_CHANGE 0x0001 409 #define SCTP_PEER_ADDR_CHANGE 0x0002 410 #define SCTP_REMOTE_ERROR 0x0003 411 #define SCTP_SEND_FAILED 0x0004 412 #define SCTP_SHUTDOWN_EVENT 0x0005 413 #define SCTP_ADAPTATION_INDICATION 0x0006 414 /* same as above */ 415 #define SCTP_ADAPTION_INDICATION 0x0006 416 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 417 #define SCTP_AUTHENTICATION_EVENT 0x0008 418 #define SCTP_STREAM_RESET_EVENT 0x0009 419 #define SCTP_SENDER_DRY_EVENT 0x000a 420 #define SCTP__NOTIFICATIONS_STOPPED_EVENT 0x000b /* we dont send this */ 421 /* 422 * socket option structs 423 */ 424 425 struct sctp_paddrparams { 426 struct sockaddr_storage spp_address; 427 sctp_assoc_t spp_assoc_id; 428 uint32_t spp_hbinterval; 429 uint32_t spp_pathmtu; 430 uint32_t spp_flags; 431 uint32_t spp_ipv6_flowlabel; 432 uint16_t spp_pathmaxrxt; 433 uint8_t spp_ipv4_tos; 434 }; 435 436 #define SPP_HB_ENABLE 0x00000001 437 #define SPP_HB_DISABLE 0x00000002 438 #define SPP_HB_DEMAND 0x00000004 439 #define SPP_PMTUD_ENABLE 0x00000008 440 #define SPP_PMTUD_DISABLE 0x00000010 441 #define SPP_HB_TIME_IS_ZERO 0x00000080 442 #define SPP_IPV6_FLOWLABEL 0x00000100 443 #define SPP_IPV4_TOS 0x00000200 444 445 struct sctp_paddrinfo { 446 struct sockaddr_storage spinfo_address; 447 sctp_assoc_t spinfo_assoc_id; 448 int32_t spinfo_state; 449 uint32_t spinfo_cwnd; 450 uint32_t spinfo_srtt; 451 uint32_t spinfo_rto; 452 uint32_t spinfo_mtu; 453 }; 454 455 struct sctp_rtoinfo { 456 sctp_assoc_t srto_assoc_id; 457 uint32_t srto_initial; 458 uint32_t srto_max; 459 uint32_t srto_min; 460 }; 461 462 struct sctp_assocparams { 463 sctp_assoc_t sasoc_assoc_id; 464 uint32_t sasoc_peer_rwnd; 465 uint32_t sasoc_local_rwnd; 466 uint32_t sasoc_cookie_life; 467 uint16_t sasoc_asocmaxrxt; 468 uint16_t sasoc_number_peer_destinations; 469 }; 470 471 struct sctp_setprim { 472 struct sockaddr_storage ssp_addr; 473 sctp_assoc_t ssp_assoc_id; 474 uint8_t ssp_padding[4]; 475 }; 476 477 struct sctp_setpeerprim { 478 struct sockaddr_storage sspp_addr; 479 sctp_assoc_t sspp_assoc_id; 480 uint8_t sspp_padding[4]; 481 }; 482 483 struct sctp_getaddresses { 484 sctp_assoc_t sget_assoc_id; 485 /* addr is filled in for N * sockaddr_storage */ 486 struct sockaddr addr[1]; 487 }; 488 489 struct sctp_setstrm_timeout { 490 sctp_assoc_t ssto_assoc_id; 491 uint32_t ssto_timeout; 492 uint32_t ssto_streamid_start; 493 uint32_t ssto_streamid_end; 494 }; 495 496 struct sctp_status { 497 sctp_assoc_t sstat_assoc_id; 498 int32_t sstat_state; 499 uint32_t sstat_rwnd; 500 uint16_t sstat_unackdata; 501 uint16_t sstat_penddata; 502 uint16_t sstat_instrms; 503 uint16_t sstat_outstrms; 504 uint32_t sstat_fragmentation_point; 505 struct sctp_paddrinfo sstat_primary; 506 }; 507 508 /* 509 * AUTHENTICATION support 510 */ 511 /* SCTP_AUTH_CHUNK */ 512 struct sctp_authchunk { 513 uint8_t sauth_chunk; 514 }; 515 516 /* SCTP_AUTH_KEY */ 517 struct sctp_authkey { 518 sctp_assoc_t sca_assoc_id; 519 uint16_t sca_keynumber; 520 uint8_t sca_key[]; 521 }; 522 523 /* SCTP_HMAC_IDENT */ 524 struct sctp_hmacalgo { 525 uint32_t shmac_number_of_idents; 526 uint16_t shmac_idents[]; 527 }; 528 529 /* AUTH hmac_id */ 530 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 531 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 532 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 533 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004 534 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005 535 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006 536 537 538 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 539 struct sctp_authkeyid { 540 sctp_assoc_t scact_assoc_id; 541 uint16_t scact_keynumber; 542 }; 543 544 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 545 struct sctp_authchunks { 546 sctp_assoc_t gauth_assoc_id; 547 uint8_t gauth_chunks[]; 548 }; 549 550 struct sctp_assoc_value { 551 sctp_assoc_t assoc_id; 552 uint32_t assoc_value; 553 }; 554 555 struct sctp_assoc_ids { 556 uint32_t gaids_number_of_ids; 557 sctp_assoc_t gaids_assoc_id[]; 558 }; 559 560 struct sctp_sack_info { 561 sctp_assoc_t sack_assoc_id; 562 uint32_t sack_delay; 563 uint32_t sack_freq; 564 }; 565 566 struct sctp_cwnd_args { 567 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 568 uint32_t cwnd_new_value;/* cwnd in k */ 569 uint32_t pseudo_cumack; 570 uint16_t inflight; /* flightsize in k */ 571 uint16_t cwnd_augment; /* increment to it */ 572 uint8_t meets_pseudo_cumack; 573 uint8_t need_new_pseudo_cumack; 574 uint8_t cnt_in_send; 575 uint8_t cnt_in_str; 576 }; 577 578 struct sctp_blk_args { 579 uint32_t onsb; /* in 1k bytes */ 580 uint32_t sndlen; /* len of send being attempted */ 581 uint32_t peer_rwnd; /* rwnd of peer */ 582 uint16_t send_sent_qcnt;/* chnk cnt */ 583 uint16_t stream_qcnt; /* chnk cnt */ 584 uint16_t chunks_on_oque;/* chunks out */ 585 uint16_t flight_size; /* flight size in k */ 586 }; 587 588 /* 589 * Max we can reset in one setting, note this is dictated not by the define 590 * but the size of a mbuf cluster so don't change this define and think you 591 * can specify more. You must do multiple resets if you want to reset more 592 * than SCTP_MAX_EXPLICIT_STR_RESET. 593 */ 594 #define SCTP_MAX_EXPLICT_STR_RESET 1000 595 596 #define SCTP_RESET_LOCAL_RECV 0x0001 597 #define SCTP_RESET_LOCAL_SEND 0x0002 598 #define SCTP_RESET_BOTH 0x0003 599 #define SCTP_RESET_TSN 0x0004 600 #define SCTP_RESET_ADD_STREAMS 0x0005 601 602 struct sctp_stream_reset { 603 sctp_assoc_t strrst_assoc_id; 604 uint16_t strrst_flags; 605 uint16_t strrst_num_streams; /* 0 == ALL */ 606 uint16_t strrst_list[]; /* list if strrst_num_streams is not 0 */ 607 }; 608 609 610 struct sctp_get_nonce_values { 611 sctp_assoc_t gn_assoc_id; 612 uint32_t gn_peers_tag; 613 uint32_t gn_local_tag; 614 }; 615 616 /* Debugging logs */ 617 struct sctp_str_log { 618 void *stcb; /* FIXME: LP64 issue */ 619 uint32_t n_tsn; 620 uint32_t e_tsn; 621 uint16_t n_sseq; 622 uint16_t e_sseq; 623 uint16_t strm; 624 }; 625 626 struct sctp_sb_log { 627 void *stcb; /* FIXME: LP64 issue */ 628 uint32_t so_sbcc; 629 uint32_t stcb_sbcc; 630 uint32_t incr; 631 }; 632 633 struct sctp_fr_log { 634 uint32_t largest_tsn; 635 uint32_t largest_new_tsn; 636 uint32_t tsn; 637 }; 638 639 struct sctp_fr_map { 640 uint32_t base; 641 uint32_t cum; 642 uint32_t high; 643 }; 644 645 struct sctp_rwnd_log { 646 uint32_t rwnd; 647 uint32_t send_size; 648 uint32_t overhead; 649 uint32_t new_rwnd; 650 }; 651 652 struct sctp_mbcnt_log { 653 uint32_t total_queue_size; 654 uint32_t size_change; 655 uint32_t total_queue_mb_size; 656 uint32_t mbcnt_change; 657 }; 658 659 struct sctp_sack_log { 660 uint32_t cumack; 661 uint32_t oldcumack; 662 uint32_t tsn; 663 uint16_t numGaps; 664 uint16_t numDups; 665 }; 666 667 struct sctp_lock_log { 668 void *sock; /* FIXME: LP64 issue */ 669 void *inp; /* FIXME: LP64 issue */ 670 uint8_t tcb_lock; 671 uint8_t inp_lock; 672 uint8_t info_lock; 673 uint8_t sock_lock; 674 uint8_t sockrcvbuf_lock; 675 uint8_t socksndbuf_lock; 676 uint8_t create_lock; 677 uint8_t resv; 678 }; 679 680 struct sctp_rto_log { 681 void *net; /* FIXME: LP64 issue */ 682 uint32_t rtt; 683 }; 684 685 struct sctp_nagle_log { 686 void *stcb; /* FIXME: LP64 issue */ 687 uint32_t total_flight; 688 uint32_t total_in_queue; 689 uint16_t count_in_queue; 690 uint16_t count_in_flight; 691 }; 692 693 struct sctp_sbwake_log { 694 void *stcb; /* FIXME: LP64 issue */ 695 uint16_t send_q; 696 uint16_t sent_q; 697 uint16_t flight; 698 uint16_t wake_cnt; 699 uint8_t stream_qcnt; /* chnk cnt */ 700 uint8_t chunks_on_oque; /* chunks out */ 701 uint8_t sbflags; 702 uint8_t sctpflags; 703 }; 704 705 struct sctp_misc_info { 706 uint32_t log1; 707 uint32_t log2; 708 uint32_t log3; 709 uint32_t log4; 710 }; 711 712 struct sctp_log_closing { 713 void *inp; /* FIXME: LP64 issue */ 714 void *stcb; /* FIXME: LP64 issue */ 715 uint32_t sctp_flags; 716 uint16_t state; 717 int16_t loc; 718 }; 719 720 struct sctp_mbuf_log { 721 struct mbuf *mp; /* FIXME: LP64 issue */ 722 caddr_t ext; 723 caddr_t data; 724 uint16_t size; 725 uint8_t refcnt; 726 uint8_t mbuf_flags; 727 }; 728 729 struct sctp_cwnd_log { 730 uint64_t time_event; 731 uint8_t from; 732 uint8_t event_type; 733 uint8_t resv[2]; 734 union { 735 struct sctp_log_closing close; 736 struct sctp_blk_args blk; 737 struct sctp_cwnd_args cwnd; 738 struct sctp_str_log strlog; 739 struct sctp_fr_log fr; 740 struct sctp_fr_map map; 741 struct sctp_rwnd_log rwnd; 742 struct sctp_mbcnt_log mbcnt; 743 struct sctp_sack_log sack; 744 struct sctp_lock_log lock; 745 struct sctp_rto_log rto; 746 struct sctp_sb_log sb; 747 struct sctp_nagle_log nagle; 748 struct sctp_sbwake_log wake; 749 struct sctp_mbuf_log mb; 750 struct sctp_misc_info misc; 751 } x; 752 }; 753 754 struct sctp_cwnd_log_req { 755 int32_t num_in_log; /* Number in log */ 756 int32_t num_ret; /* Number returned */ 757 int32_t start_at; /* start at this one */ 758 int32_t end_at; /* end at this one */ 759 struct sctp_cwnd_log log[]; 760 }; 761 762 struct sctp_timeval { 763 uint32_t tv_sec; 764 uint32_t tv_usec; 765 }; 766 767 struct sctpstat { 768 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 769 * (TimeStamp) */ 770 /* MIB according to RFC 3873 */ 771 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 772 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 773 uint32_t sctps_restartestab; 774 uint32_t sctps_collisionestab; 775 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 776 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 777 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 778 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 779 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 780 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 781 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 782 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 783 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 784 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 785 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 786 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 787 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 788 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 789 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 790 791 /* input statistics: */ 792 uint32_t sctps_recvpackets; /* total input packets */ 793 uint32_t sctps_recvdatagrams; /* total input datagrams */ 794 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 795 uint32_t sctps_recvsacks; /* total input SACK chunks */ 796 uint32_t sctps_recvdata;/* total input DATA chunks */ 797 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 798 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 799 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 800 uint32_t sctps_recvecne;/* total input ECNE chunks */ 801 uint32_t sctps_recvauth;/* total input AUTH chunks */ 802 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 803 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 804 * received */ 805 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 806 * received */ 807 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 808 uint32_t sctps_recvexpress; /* total fast path receives all one 809 * chunk */ 810 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 811 uint32_t sctps_recvnocrc; 812 uint32_t sctps_recvswcrc; 813 uint32_t sctps_recvhwcrc; 814 815 /* output statistics: */ 816 uint32_t sctps_sendpackets; /* total output packets */ 817 uint32_t sctps_sendsacks; /* total output SACKs */ 818 uint32_t sctps_senddata;/* total output DATA chunks */ 819 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 820 * chunks */ 821 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 822 * DATA chunks */ 823 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 824 * more than once to same 825 * chunk (u-del multi-fr 826 * algo). */ 827 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 828 uint32_t sctps_sendecne;/* total output ECNE chunks */ 829 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 830 uint32_t sctps_senderrors; /* ip_output error counter */ 831 uint32_t sctps_sendnocrc; 832 uint32_t sctps_sendswcrc; 833 uint32_t sctps_sendhwcrc; 834 /* PCKDROPREP statistics: */ 835 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 836 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 837 uint32_t sctps_pdrpmbda;/* P-drops with data */ 838 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 839 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 840 * only */ 841 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 842 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 843 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 844 * said break */ 845 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 846 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 847 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 848 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 849 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 850 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 851 /* timeouts */ 852 uint32_t sctps_timoiterator; /* Number of iterator timers that 853 * fired */ 854 uint32_t sctps_timodata;/* Number of T3 data time outs */ 855 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 856 * that fired */ 857 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 858 uint32_t sctps_timosack;/* Number of sack timers that fired */ 859 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 860 * fired */ 861 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 862 * fired */ 863 uint32_t sctps_timocookie; /* Number of times a cookie timeout 864 * fired */ 865 uint32_t sctps_timosecret; /* Number of times an endpoint changed 866 * its cookie secret */ 867 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 868 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 869 * fired */ 870 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 871 * timers that fired */ 872 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 873 * fired */ 874 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 875 * fired */ 876 uint32_t sctps_timoasconf; /* Number of times an asconf timer 877 * fired */ 878 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 879 * timer fired */ 880 uint32_t sctps_timoautoclose; /* Number of times auto close timer 881 * fired */ 882 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 883 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 884 /* Early fast retransmission counters */ 885 uint32_t sctps_earlyfrstart; 886 uint32_t sctps_earlyfrstop; 887 uint32_t sctps_earlyfrmrkretrans; 888 uint32_t sctps_earlyfrstpout; 889 uint32_t sctps_earlyfrstpidsck1; 890 uint32_t sctps_earlyfrstpidsck2; 891 uint32_t sctps_earlyfrstpidsck3; 892 uint32_t sctps_earlyfrstpidsck4; 893 uint32_t sctps_earlyfrstrid; 894 uint32_t sctps_earlyfrstrout; 895 uint32_t sctps_earlyfrstrtmr; 896 /* otheres */ 897 uint32_t sctps_hdrops; /* packet shorter than header */ 898 uint32_t sctps_badsum; /* checksum error */ 899 uint32_t sctps_noport; /* no endpoint for port */ 900 uint32_t sctps_badvtag; /* bad v-tag */ 901 uint32_t sctps_badsid; /* bad SID */ 902 uint32_t sctps_nomem; /* no memory */ 903 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 904 * RTT window */ 905 uint32_t sctps_markedretrans; 906 uint32_t sctps_naglesent; /* nagle allowed sending */ 907 uint32_t sctps_naglequeued; /* nagle does't allow sending */ 908 uint32_t sctps_maxburstqueued; /* max burst dosn't allow sending */ 909 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 910 * interface ring buffer OR we had a 911 * send error and are queuing one 912 * send. */ 913 uint32_t sctps_windowprobed; /* total number of window probes sent */ 914 uint32_t sctps_lowlevelerr; /* total times an output error causes 915 * us to clamp down on next user send. */ 916 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 917 * caused from a user send from a user 918 * invoked send not a sack response */ 919 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 920 * chunk limit reached */ 921 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 922 * limit reached */ 923 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 924 * cwnd */ 925 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 926 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 927 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 928 * of user data on primary */ 929 uint32_t sctps_cmt_randry; /* Same for above */ 930 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 931 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 932 uint32_t sctps_sends_with_flags; /* number of sends with 933 * sinfo_flags !=0 */ 934 uint32_t sctps_sends_with_unord /* number of undordered sends */ ; 935 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 936 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 937 * flag set */ 938 uint32_t sctps_protocol_drain_calls; /* number of times protocol 939 * drain called */ 940 uint32_t sctps_protocol_drains_done; /* number of times we did a 941 * protocol drain */ 942 uint32_t sctps_read_peeks; /* Number of times recv was called 943 * with peek */ 944 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 945 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 946 uint32_t sctps_left_abandon; /* Number of unread message abandonded 947 * by close */ 948 uint32_t sctps_send_burst_avoid; /* Unused */ 949 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 950 * max burst inflight to net */ 951 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 952 * fwd-tsn's */ 953 954 uint32_t sctps_reserved[32]; /* Future ABI compat - remove int's 955 * from here when adding new */ 956 }; 957 958 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 959 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 960 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 961 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 962 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 963 #else 964 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 965 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 966 #endif 967 /* The following macros are for handling MIB values, */ 968 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 969 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 970 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 971 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 972 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 973 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 974 975 union sctp_sockstore { 976 #if defined(INET) || !defined(_KERNEL) 977 struct sockaddr_in sin; 978 #endif 979 #if defined(INET6) || !defined(_KERNEL) 980 struct sockaddr_in6 sin6; 981 #endif 982 struct sockaddr sa; 983 }; 984 985 struct xsctp_inpcb { 986 uint32_t last; 987 uint32_t flags; 988 uint32_t features; 989 uint32_t total_sends; 990 uint32_t total_recvs; 991 uint32_t total_nospaces; 992 uint32_t fragmentation_point; 993 uint16_t local_port; 994 uint16_t qlen; 995 uint16_t maxqlen; 996 uint32_t extra_padding[32]; /* future */ 997 }; 998 999 struct xsctp_tcb { 1000 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1001 uint32_t last; 1002 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1003 uint32_t state; /* sctpAssocEntry 8 */ 1004 uint32_t in_streams; /* sctpAssocEntry 9 */ 1005 uint32_t out_streams; /* sctpAssocEntry 10 */ 1006 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1007 uint32_t primary_process; /* sctpAssocEntry 12 */ 1008 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1009 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1010 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1011 uint32_t total_sends; 1012 uint32_t total_recvs; 1013 uint32_t local_tag; 1014 uint32_t remote_tag; 1015 uint32_t initial_tsn; 1016 uint32_t highest_tsn; 1017 uint32_t cumulative_tsn; 1018 uint32_t cumulative_tsn_ack; 1019 uint32_t mtu; 1020 uint32_t refcnt; 1021 uint16_t local_port; /* sctpAssocEntry 3 */ 1022 uint16_t remote_port; /* sctpAssocEntry 4 */ 1023 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1024 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1025 uint32_t peers_rwnd; 1026 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1027 uint32_t extra_padding[32]; /* future */ 1028 }; 1029 1030 struct xsctp_laddr { 1031 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1032 uint32_t last; 1033 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1034 uint32_t extra_padding[32]; /* future */ 1035 }; 1036 1037 struct xsctp_raddr { 1038 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1039 uint32_t last; 1040 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1041 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1042 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1043 uint32_t error_counter; /* */ 1044 uint32_t cwnd; /* */ 1045 uint32_t flight_size; /* */ 1046 uint32_t mtu; /* */ 1047 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1048 uint8_t confirmed; /* */ 1049 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1050 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1051 uint32_t rtt; 1052 uint32_t extra_padding[32]; /* future */ 1053 }; 1054 1055 #define SCTP_MAX_LOGGING_SIZE 30000 1056 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1057 1058 struct sctp_log_entry { 1059 uint64_t timestamp; 1060 uint32_t subsys; 1061 uint32_t padding; 1062 uint32_t params[SCTP_TRACE_PARAMS]; 1063 }; 1064 1065 struct sctp_log { 1066 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1067 uint32_t index; 1068 uint32_t padding; 1069 }; 1070 1071 /* 1072 * Kernel defined for sctp_send 1073 */ 1074 #if defined(_KERNEL) || defined(__Userspace__) 1075 int 1076 sctp_lower_sosend(struct socket *so, 1077 struct sockaddr *addr, 1078 struct uio *uio, 1079 struct mbuf *i_pak, 1080 struct mbuf *control, 1081 int flags, 1082 int use_rcvinfo, 1083 struct sctp_sndrcvinfo *srcv 1084 ,struct thread *p 1085 ); 1086 1087 int 1088 sctp_sorecvmsg(struct socket *so, 1089 struct uio *uio, 1090 struct mbuf **mp, 1091 struct sockaddr *from, 1092 int fromlen, 1093 int *msg_flags, 1094 struct sctp_sndrcvinfo *sinfo, 1095 int filling_sinfo); 1096 1097 #endif 1098 1099 /* 1100 * API system calls 1101 */ 1102 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1103 1104 __BEGIN_DECLS 1105 int sctp_peeloff __P((int, sctp_assoc_t)); 1106 int sctp_bindx __P((int, struct sockaddr *, int, int)); 1107 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1108 int sctp_getaddrlen __P((sa_family_t)); 1109 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1110 void sctp_freepaddrs __P((struct sockaddr *)); 1111 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1112 void sctp_freeladdrs __P((struct sockaddr *)); 1113 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1114 1115 ssize_t sctp_sendmsg 1116 __P((int, const void *, size_t, 1117 const struct sockaddr *, 1118 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1119 1120 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 1121 const struct sctp_sndrcvinfo *sinfo, int flags)); 1122 1123 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len, 1124 struct sockaddr *addrs, int addrcnt, 1125 struct sctp_sndrcvinfo *sinfo, int flags)); 1126 1127 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, 1128 struct sockaddr *, int, 1129 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1130 1131 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa)); 1132 1133 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 1134 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1135 1136 __END_DECLS 1137 1138 #endif /* !_KERNEL */ 1139 #endif /* !__sctp_uio_h__ */ 1140