sctp_uio.h revision 234832
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 234832 2012-04-30 08:44:21Z tuexen $"); 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#define SCTP_FUTURE_ASSOC 0 51#define SCTP_CURRENT_ASSOC 1 52#define SCTP_ALL_ASSOC 2 53 54struct sctp_event { 55 sctp_assoc_t se_assoc_id; 56 uint16_t se_type; 57 uint8_t se_on; 58}; 59 60/* Compatibility to previous define's */ 61#define sctp_stream_reset_events sctp_stream_reset_event 62 63/* On/Off setup for subscription to events */ 64struct sctp_event_subscribe { 65 uint8_t sctp_data_io_event; 66 uint8_t sctp_association_event; 67 uint8_t sctp_address_event; 68 uint8_t sctp_send_failure_event; 69 uint8_t sctp_peer_error_event; 70 uint8_t sctp_shutdown_event; 71 uint8_t sctp_partial_delivery_event; 72 uint8_t sctp_adaptation_layer_event; 73 uint8_t sctp_authentication_event; 74 uint8_t sctp_sender_dry_event; 75 uint8_t sctp_stream_reset_event; 76}; 77 78/* ancillary data types */ 79#define SCTP_INIT 0x0001 80#define SCTP_SNDRCV 0x0002 81#define SCTP_EXTRCV 0x0003 82#define SCTP_SNDINFO 0x0004 83#define SCTP_RCVINFO 0x0005 84#define SCTP_NXTINFO 0x0006 85#define SCTP_PRINFO 0x0007 86#define SCTP_AUTHINFO 0x0008 87#define SCTP_DSTADDRV4 0x0009 88#define SCTP_DSTADDRV6 0x000a 89 90/* 91 * ancillary data structures 92 */ 93struct sctp_initmsg { 94 uint16_t sinit_num_ostreams; 95 uint16_t sinit_max_instreams; 96 uint16_t sinit_max_attempts; 97 uint16_t sinit_max_init_timeo; 98}; 99 100/* We add 96 bytes to the size of sctp_sndrcvinfo. 101 * This makes the current structure 128 bytes long 102 * which is nicely 64 bit aligned but also has room 103 * for us to add more and keep ABI compatibility. 104 * For example, already we have the sctp_extrcvinfo 105 * when enabled which is 48 bytes. 106 */ 107 108/* 109 * The assoc up needs a verfid 110 * all sendrcvinfo's need a verfid for SENDING only. 111 */ 112 113 114#define SCTP_ALIGN_RESV_PAD 92 115#define SCTP_ALIGN_RESV_PAD_SHORT 76 116 117struct sctp_sndrcvinfo { 118 uint16_t sinfo_stream; 119 uint16_t sinfo_ssn; 120 uint16_t sinfo_flags; 121 uint32_t sinfo_ppid; 122 uint32_t sinfo_context; 123 uint32_t sinfo_timetolive; 124 uint32_t sinfo_tsn; 125 uint32_t sinfo_cumtsn; 126 sctp_assoc_t sinfo_assoc_id; 127 uint16_t sinfo_keynumber; 128 uint16_t sinfo_keynumber_valid; 129 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 130}; 131 132struct sctp_extrcvinfo { 133 uint16_t sinfo_stream; 134 uint16_t sinfo_ssn; 135 uint16_t sinfo_flags; 136 uint32_t sinfo_ppid; 137 uint32_t sinfo_context; 138 uint32_t sinfo_timetolive; 139 uint32_t sinfo_tsn; 140 uint32_t sinfo_cumtsn; 141 sctp_assoc_t sinfo_assoc_id; 142 uint16_t sreinfo_next_flags; 143 uint16_t sreinfo_next_stream; 144 uint32_t sreinfo_next_aid; 145 uint32_t sreinfo_next_length; 146 uint32_t sreinfo_next_ppid; 147 uint16_t sinfo_keynumber; 148 uint16_t sinfo_keynumber_valid; 149 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 150}; 151 152struct sctp_sndinfo { 153 uint16_t snd_sid; 154 uint16_t snd_flags; 155 uint32_t snd_ppid; 156 uint32_t snd_context; 157 sctp_assoc_t snd_assoc_id; 158}; 159 160struct sctp_prinfo { 161 uint16_t pr_policy; 162 uint32_t pr_value; 163}; 164 165struct sctp_default_prinfo { 166 uint16_t pr_policy; 167 uint32_t pr_value; 168 sctp_assoc_t pr_assoc_id; 169}; 170 171struct sctp_authinfo { 172 uint16_t auth_keyid; 173}; 174 175struct sctp_rcvinfo { 176 uint16_t rcv_sid; 177 uint16_t rcv_ssn; 178 uint16_t rcv_flags; 179 uint32_t rcv_ppid; 180 uint32_t rcv_tsn; 181 uint32_t rcv_cumtsn; 182 uint32_t rcv_context; 183 sctp_assoc_t rcv_assoc_id; 184}; 185 186struct sctp_nxtinfo { 187 uint16_t nxt_sid; 188 uint16_t nxt_flags; 189 uint32_t nxt_ppid; 190 uint32_t nxt_length; 191 sctp_assoc_t nxt_assoc_id; 192}; 193 194#define SCTP_NO_NEXT_MSG 0x0000 195#define SCTP_NEXT_MSG_AVAIL 0x0001 196#define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 197#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 198#define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 199 200struct sctp_recvv_rn { 201 struct sctp_rcvinfo recvv_rcvinfo; 202 struct sctp_nxtinfo recvv_nxtinfo; 203}; 204 205#define SCTP_RECVV_NOINFO 0 206#define SCTP_RECVV_RCVINFO 1 207#define SCTP_RECVV_NXTINFO 2 208#define SCTP_RECVV_RN 3 209 210#define SCTP_SENDV_NOINFO 0 211#define SCTP_SENDV_SNDINFO 1 212#define SCTP_SENDV_PRINFO 2 213#define SCTP_SENDV_AUTHINFO 3 214#define SCTP_SENDV_SPA 4 215 216struct sctp_sendv_spa { 217 uint32_t sendv_flags; 218 struct sctp_sndinfo sendv_sndinfo; 219 struct sctp_prinfo sendv_prinfo; 220 struct sctp_authinfo sendv_authinfo; 221}; 222 223#define SCTP_SEND_SNDINFO_VALID 0x00000001 224#define SCTP_SEND_PRINFO_VALID 0x00000002 225#define SCTP_SEND_AUTHINFO_VALID 0x00000004 226 227struct sctp_snd_all_completes { 228 uint16_t sall_stream; 229 uint16_t sall_flags; 230 uint32_t sall_ppid; 231 uint32_t sall_context; 232 uint32_t sall_num_sent; 233 uint32_t sall_num_failed; 234}; 235 236/* Flags that go into the sinfo->sinfo_flags field */ 237#define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ 238#define SCTP_COMPLETE 0x0020 /* next message is complete */ 239#define SCTP_EOF 0x0100 /* Start shutdown procedures */ 240#define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 241#define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 242#define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 243#define SCTP_SENDALL 0x1000 /* Send this on all associations */ 244#define SCTP_EOR 0x2000 /* end of message signal */ 245#define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 246 247#define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ 248 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 249 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 250 SCTP_SACK_IMMEDIATELY)) != 0) 251/* for the endpoint */ 252 253/* The lower byte is an enumeration of PR-SCTP policies */ 254#define SCTP_PR_SCTP_NONE 0x0000/* Reliable transfer */ 255#define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 256#define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 257#define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 258 259#define PR_SCTP_POLICY(x) ((x) & 0x0f) 260#define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) 261#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 262#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 263#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 264#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 265/* Stat's */ 266struct sctp_pcbinfo { 267 uint32_t ep_count; 268 uint32_t asoc_count; 269 uint32_t laddr_count; 270 uint32_t raddr_count; 271 uint32_t chk_count; 272 uint32_t readq_count; 273 uint32_t free_chunks; 274 uint32_t stream_oque; 275}; 276 277struct sctp_sockstat { 278 sctp_assoc_t ss_assoc_id; 279 uint32_t ss_total_sndbuf; 280 uint32_t ss_total_recv_buf; 281}; 282 283/* 284 * notification event structures 285 */ 286 287/* 288 * association change event 289 */ 290struct sctp_assoc_change { 291 uint16_t sac_type; 292 uint16_t sac_flags; 293 uint32_t sac_length; 294 uint16_t sac_state; 295 uint16_t sac_error; 296 uint16_t sac_outbound_streams; 297 uint16_t sac_inbound_streams; 298 sctp_assoc_t sac_assoc_id; 299}; 300 301/* sac_state values */ 302#define SCTP_COMM_UP 0x0001 303#define SCTP_COMM_LOST 0x0002 304#define SCTP_RESTART 0x0003 305#define SCTP_SHUTDOWN_COMP 0x0004 306#define SCTP_CANT_STR_ASSOC 0x0005 307 308 309/* 310 * Address event 311 */ 312struct sctp_paddr_change { 313 uint16_t spc_type; 314 uint16_t spc_flags; 315 uint32_t spc_length; 316 struct sockaddr_storage spc_aaddr; 317 uint32_t spc_state; 318 uint32_t spc_error; 319 sctp_assoc_t spc_assoc_id; 320 uint8_t spc_padding[4]; 321}; 322 323/* paddr state values */ 324#define SCTP_ADDR_AVAILABLE 0x0001 325#define SCTP_ADDR_UNREACHABLE 0x0002 326#define SCTP_ADDR_REMOVED 0x0003 327#define SCTP_ADDR_ADDED 0x0004 328#define SCTP_ADDR_MADE_PRIM 0x0005 329#define SCTP_ADDR_CONFIRMED 0x0006 330 331#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 332#define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor 333 * SCTP_ADDR_UNCONFIRMED */ 334#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 335 336/* remote error events */ 337struct sctp_remote_error { 338 uint16_t sre_type; 339 uint16_t sre_flags; 340 uint32_t sre_length; 341 uint16_t sre_error; 342 sctp_assoc_t sre_assoc_id; 343 uint8_t sre_data[4]; 344}; 345 346/* data send failure event */ 347struct sctp_send_failed { 348 uint16_t ssf_type; 349 uint16_t ssf_flags; 350 uint32_t ssf_length; 351 uint32_t ssf_error; 352 struct sctp_sndrcvinfo ssf_info; 353 sctp_assoc_t ssf_assoc_id; 354 uint8_t ssf_data[]; 355}; 356 357/* flag that indicates state of data */ 358#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 359#define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 360 361/* shutdown event */ 362struct sctp_shutdown_event { 363 uint16_t sse_type; 364 uint16_t sse_flags; 365 uint32_t sse_length; 366 sctp_assoc_t sse_assoc_id; 367}; 368 369/* Adaptation layer indication stuff */ 370struct sctp_adaptation_event { 371 uint16_t sai_type; 372 uint16_t sai_flags; 373 uint32_t sai_length; 374 uint32_t sai_adaptation_ind; 375 sctp_assoc_t sai_assoc_id; 376}; 377 378struct sctp_setadaptation { 379 uint32_t ssb_adaptation_ind; 380}; 381 382/* compatible old spelling */ 383struct sctp_adaption_event { 384 uint16_t sai_type; 385 uint16_t sai_flags; 386 uint32_t sai_length; 387 uint32_t sai_adaption_ind; 388 sctp_assoc_t sai_assoc_id; 389}; 390 391struct sctp_setadaption { 392 uint32_t ssb_adaption_ind; 393}; 394 395 396/* 397 * Partial Delivery API event 398 */ 399struct sctp_pdapi_event { 400 uint16_t pdapi_type; 401 uint16_t pdapi_flags; 402 uint32_t pdapi_length; 403 uint32_t pdapi_indication; 404 uint16_t pdapi_stream; 405 uint16_t pdapi_seq; 406 sctp_assoc_t pdapi_assoc_id; 407}; 408 409/* indication values */ 410#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 411 412 413/* 414 * authentication key event 415 */ 416struct sctp_authkey_event { 417 uint16_t auth_type; 418 uint16_t auth_flags; 419 uint32_t auth_length; 420 uint16_t auth_keynumber; 421 uint16_t auth_altkeynumber; 422 uint32_t auth_indication; 423 sctp_assoc_t auth_assoc_id; 424}; 425 426/* indication values */ 427#define SCTP_AUTH_NEW_KEY 0x0001 428#define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 429#define SCTP_AUTH_NO_AUTH 0x0002 430#define SCTP_AUTH_FREE_KEY 0x0003 431 432 433struct sctp_sender_dry_event { 434 uint16_t sender_dry_type; 435 uint16_t sender_dry_flags; 436 uint32_t sender_dry_length; 437 sctp_assoc_t sender_dry_assoc_id; 438}; 439 440 441/* 442 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 443 */ 444struct sctp_stream_reset_event { 445 uint16_t strreset_type; 446 uint16_t strreset_flags; 447 uint32_t strreset_length; 448 sctp_assoc_t strreset_assoc_id; 449 uint16_t strreset_stream_list[]; 450}; 451 452/* flags in stream_reset_event (strreset_flags) */ 453#define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 454#define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 455#define SCTP_STREAM_RESET_DENIED 0x0004 456#define SCTP_STREAM_RESET_FAILED 0x0008 457#define SCTP_STREAM_CHANGED_DENIED 0x0010 458 459/* 460 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 461 */ 462struct sctp_assoc_reset_event { 463 uint16_t assocreset_type; 464 uint16_t assocreset_flags; 465 uint32_t assocreset_length; 466 sctp_assoc_t assocreset_assoc_id; 467 uint32_t assocreset_local_tsn; 468 uint32_t assocreset_remote_tsn; 469}; 470 471#define SCTP_ASSOC_RESET_DENIED 0x0004 472#define SCTP_ASSOC_RESET_FAILED 0x0008 473 474/* 475 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 476 */ 477struct sctp_stream_change_event { 478 uint16_t strchange_type; 479 uint16_t strchange_flags; 480 uint32_t strchange_length; 481 sctp_assoc_t strchange_assoc_id; 482 uint16_t strchange_instrms; 483 uint16_t strchange_outstrms; 484}; 485 486#define SCTP_STREAM_CHANGE_DENIED 0x0004 487#define SCTP_STREAM_CHANGE_FAILED 0x0008 488 489 490/* SCTP notification event */ 491struct sctp_tlv { 492 uint16_t sn_type; 493 uint16_t sn_flags; 494 uint32_t sn_length; 495}; 496 497union sctp_notification { 498 struct sctp_tlv sn_header; 499 struct sctp_assoc_change sn_assoc_change; 500 struct sctp_paddr_change sn_paddr_change; 501 struct sctp_remote_error sn_remote_error; 502 struct sctp_send_failed sn_send_failed; 503 struct sctp_shutdown_event sn_shutdown_event; 504 struct sctp_adaptation_event sn_adaptation_event; 505 /* compatibility same as above */ 506 struct sctp_adaption_event sn_adaption_event; 507 struct sctp_pdapi_event sn_pdapi_event; 508 struct sctp_authkey_event sn_auth_event; 509 struct sctp_sender_dry_event sn_sender_dry_event; 510 struct sctp_stream_reset_event sn_strreset_event; 511 struct sctp_assoc_reset_event sn_assocreset_event; 512 struct sctp_stream_change_event sn_strchange_event; 513 514}; 515 516/* notification types */ 517#define SCTP_ASSOC_CHANGE 0x0001 518#define SCTP_PEER_ADDR_CHANGE 0x0002 519#define SCTP_REMOTE_ERROR 0x0003 520#define SCTP_SEND_FAILED 0x0004 521#define SCTP_SHUTDOWN_EVENT 0x0005 522#define SCTP_ADAPTATION_INDICATION 0x0006 523/* same as above */ 524#define SCTP_ADAPTION_INDICATION 0x0006 525#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 526#define SCTP_AUTHENTICATION_EVENT 0x0008 527#define SCTP_STREAM_RESET_EVENT 0x0009 528#define SCTP_SENDER_DRY_EVENT 0x000a 529#define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */ 530#define SCTP_ASSOC_RESET_EVENT 0x000c 531#define SCTP_STREAM_CHANGE_EVENT 0x000d 532 533/* 534 * socket option structs 535 */ 536 537struct sctp_paddrparams { 538 struct sockaddr_storage spp_address; 539 sctp_assoc_t spp_assoc_id; 540 uint32_t spp_hbinterval; 541 uint32_t spp_pathmtu; 542 uint32_t spp_flags; 543 uint32_t spp_ipv6_flowlabel; 544 uint16_t spp_pathmaxrxt; 545 uint8_t spp_dscp; 546}; 547 548#define spp_ipv4_tos spp_dscp 549 550#define SPP_HB_ENABLE 0x00000001 551#define SPP_HB_DISABLE 0x00000002 552#define SPP_HB_DEMAND 0x00000004 553#define SPP_PMTUD_ENABLE 0x00000008 554#define SPP_PMTUD_DISABLE 0x00000010 555#define SPP_HB_TIME_IS_ZERO 0x00000080 556#define SPP_IPV6_FLOWLABEL 0x00000100 557#define SPP_DSCP 0x00000200 558#define SPP_IPV4_TOS SPP_DSCP 559 560struct sctp_paddrthlds { 561 struct sockaddr_storage spt_address; 562 sctp_assoc_t spt_assoc_id; 563 uint16_t spt_pathmaxrxt; 564 uint16_t spt_pathpfthld; 565}; 566 567struct sctp_paddrinfo { 568 struct sockaddr_storage spinfo_address; 569 sctp_assoc_t spinfo_assoc_id; 570 int32_t spinfo_state; 571 uint32_t spinfo_cwnd; 572 uint32_t spinfo_srtt; 573 uint32_t spinfo_rto; 574 uint32_t spinfo_mtu; 575}; 576 577struct sctp_rtoinfo { 578 sctp_assoc_t srto_assoc_id; 579 uint32_t srto_initial; 580 uint32_t srto_max; 581 uint32_t srto_min; 582}; 583 584struct sctp_assocparams { 585 sctp_assoc_t sasoc_assoc_id; 586 uint32_t sasoc_peer_rwnd; 587 uint32_t sasoc_local_rwnd; 588 uint32_t sasoc_cookie_life; 589 uint16_t sasoc_asocmaxrxt; 590 uint16_t sasoc_number_peer_destinations; 591}; 592 593struct sctp_setprim { 594 struct sockaddr_storage ssp_addr; 595 sctp_assoc_t ssp_assoc_id; 596 uint8_t ssp_padding[4]; 597}; 598 599struct sctp_setpeerprim { 600 struct sockaddr_storage sspp_addr; 601 sctp_assoc_t sspp_assoc_id; 602 uint8_t sspp_padding[4]; 603}; 604 605struct sctp_getaddresses { 606 sctp_assoc_t sget_assoc_id; 607 /* addr is filled in for N * sockaddr_storage */ 608 struct sockaddr addr[1]; 609}; 610 611struct sctp_status { 612 sctp_assoc_t sstat_assoc_id; 613 int32_t sstat_state; 614 uint32_t sstat_rwnd; 615 uint16_t sstat_unackdata; 616 uint16_t sstat_penddata; 617 uint16_t sstat_instrms; 618 uint16_t sstat_outstrms; 619 uint32_t sstat_fragmentation_point; 620 struct sctp_paddrinfo sstat_primary; 621}; 622 623/* 624 * AUTHENTICATION support 625 */ 626/* SCTP_AUTH_CHUNK */ 627struct sctp_authchunk { 628 uint8_t sauth_chunk; 629}; 630 631/* SCTP_AUTH_KEY */ 632struct sctp_authkey { 633 sctp_assoc_t sca_assoc_id; 634 uint16_t sca_keynumber; 635 uint16_t sca_keylength; 636 uint8_t sca_key[]; 637}; 638 639/* SCTP_HMAC_IDENT */ 640struct sctp_hmacalgo { 641 uint32_t shmac_number_of_idents; 642 uint16_t shmac_idents[]; 643}; 644 645/* AUTH hmac_id */ 646#define SCTP_AUTH_HMAC_ID_RSVD 0x0000 647#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 648#define SCTP_AUTH_HMAC_ID_SHA256 0x0003 649#define SCTP_AUTH_HMAC_ID_SHA224 0x0004 650#define SCTP_AUTH_HMAC_ID_SHA384 0x0005 651#define SCTP_AUTH_HMAC_ID_SHA512 0x0006 652 653 654/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 655struct sctp_authkeyid { 656 sctp_assoc_t scact_assoc_id; 657 uint16_t scact_keynumber; 658}; 659 660/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 661struct sctp_authchunks { 662 sctp_assoc_t gauth_assoc_id; 663 uint32_t gauth_number_of_chunks; 664 uint8_t gauth_chunks[]; 665}; 666 667struct sctp_assoc_value { 668 sctp_assoc_t assoc_id; 669 uint32_t assoc_value; 670}; 671 672struct sctp_cc_option { 673 int option; 674 struct sctp_assoc_value aid_value; 675}; 676 677struct sctp_stream_value { 678 sctp_assoc_t assoc_id; 679 uint16_t stream_id; 680 uint16_t stream_value; 681}; 682 683struct sctp_assoc_ids { 684 uint32_t gaids_number_of_ids; 685 sctp_assoc_t gaids_assoc_id[]; 686}; 687 688struct sctp_sack_info { 689 sctp_assoc_t sack_assoc_id; 690 uint32_t sack_delay; 691 uint32_t sack_freq; 692}; 693 694struct sctp_timeouts { 695 sctp_assoc_t stimo_assoc_id; 696 uint32_t stimo_init; 697 uint32_t stimo_data; 698 uint32_t stimo_sack; 699 uint32_t stimo_shutdown; 700 uint32_t stimo_heartbeat; 701 uint32_t stimo_cookie; 702 uint32_t stimo_shutdownack; 703}; 704 705struct sctp_udpencaps { 706 struct sockaddr_storage sue_address; 707 sctp_assoc_t sue_assoc_id; 708 uint16_t sue_port; 709}; 710 711struct sctp_cwnd_args { 712 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 713 uint32_t cwnd_new_value;/* cwnd in k */ 714 uint32_t pseudo_cumack; 715 uint16_t inflight; /* flightsize in k */ 716 uint16_t cwnd_augment; /* increment to it */ 717 uint8_t meets_pseudo_cumack; 718 uint8_t need_new_pseudo_cumack; 719 uint8_t cnt_in_send; 720 uint8_t cnt_in_str; 721}; 722 723struct sctp_blk_args { 724 uint32_t onsb; /* in 1k bytes */ 725 uint32_t sndlen; /* len of send being attempted */ 726 uint32_t peer_rwnd; /* rwnd of peer */ 727 uint16_t send_sent_qcnt;/* chnk cnt */ 728 uint16_t stream_qcnt; /* chnk cnt */ 729 uint16_t chunks_on_oque;/* chunks out */ 730 uint16_t flight_size; /* flight size in k */ 731}; 732 733/* 734 * Max we can reset in one setting, note this is dictated not by the define 735 * but the size of a mbuf cluster so don't change this define and think you 736 * can specify more. You must do multiple resets if you want to reset more 737 * than SCTP_MAX_EXPLICIT_STR_RESET. 738 */ 739#define SCTP_MAX_EXPLICT_STR_RESET 1000 740 741struct sctp_reset_streams { 742 sctp_assoc_t srs_assoc_id; 743 uint16_t srs_flags; 744 uint16_t srs_number_streams; /* 0 == ALL */ 745 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */ 746}; 747 748struct sctp_add_streams { 749 sctp_assoc_t sas_assoc_id; 750 uint16_t sas_instrms; 751 uint16_t sas_outstrms; 752}; 753 754struct sctp_get_nonce_values { 755 sctp_assoc_t gn_assoc_id; 756 uint32_t gn_peers_tag; 757 uint32_t gn_local_tag; 758}; 759 760/* Debugging logs */ 761struct sctp_str_log { 762 void *stcb; /* FIXME: LP64 issue */ 763 uint32_t n_tsn; 764 uint32_t e_tsn; 765 uint16_t n_sseq; 766 uint16_t e_sseq; 767 uint16_t strm; 768}; 769 770struct sctp_sb_log { 771 void *stcb; /* FIXME: LP64 issue */ 772 uint32_t so_sbcc; 773 uint32_t stcb_sbcc; 774 uint32_t incr; 775}; 776 777struct sctp_fr_log { 778 uint32_t largest_tsn; 779 uint32_t largest_new_tsn; 780 uint32_t tsn; 781}; 782 783struct sctp_fr_map { 784 uint32_t base; 785 uint32_t cum; 786 uint32_t high; 787}; 788 789struct sctp_rwnd_log { 790 uint32_t rwnd; 791 uint32_t send_size; 792 uint32_t overhead; 793 uint32_t new_rwnd; 794}; 795 796struct sctp_mbcnt_log { 797 uint32_t total_queue_size; 798 uint32_t size_change; 799 uint32_t total_queue_mb_size; 800 uint32_t mbcnt_change; 801}; 802 803struct sctp_sack_log { 804 uint32_t cumack; 805 uint32_t oldcumack; 806 uint32_t tsn; 807 uint16_t numGaps; 808 uint16_t numDups; 809}; 810 811struct sctp_lock_log { 812 void *sock; /* FIXME: LP64 issue */ 813 void *inp; /* FIXME: LP64 issue */ 814 uint8_t tcb_lock; 815 uint8_t inp_lock; 816 uint8_t info_lock; 817 uint8_t sock_lock; 818 uint8_t sockrcvbuf_lock; 819 uint8_t socksndbuf_lock; 820 uint8_t create_lock; 821 uint8_t resv; 822}; 823 824struct sctp_rto_log { 825 void *net; /* FIXME: LP64 issue */ 826 uint32_t rtt; 827}; 828 829struct sctp_nagle_log { 830 void *stcb; /* FIXME: LP64 issue */ 831 uint32_t total_flight; 832 uint32_t total_in_queue; 833 uint16_t count_in_queue; 834 uint16_t count_in_flight; 835}; 836 837struct sctp_sbwake_log { 838 void *stcb; /* FIXME: LP64 issue */ 839 uint16_t send_q; 840 uint16_t sent_q; 841 uint16_t flight; 842 uint16_t wake_cnt; 843 uint8_t stream_qcnt; /* chnk cnt */ 844 uint8_t chunks_on_oque; /* chunks out */ 845 uint8_t sbflags; 846 uint8_t sctpflags; 847}; 848 849struct sctp_misc_info { 850 uint32_t log1; 851 uint32_t log2; 852 uint32_t log3; 853 uint32_t log4; 854}; 855 856struct sctp_log_closing { 857 void *inp; /* FIXME: LP64 issue */ 858 void *stcb; /* FIXME: LP64 issue */ 859 uint32_t sctp_flags; 860 uint16_t state; 861 int16_t loc; 862}; 863 864struct sctp_mbuf_log { 865 struct mbuf *mp; /* FIXME: LP64 issue */ 866 caddr_t ext; 867 caddr_t data; 868 uint16_t size; 869 uint8_t refcnt; 870 uint8_t mbuf_flags; 871}; 872 873struct sctp_cwnd_log { 874 uint64_t time_event; 875 uint8_t from; 876 uint8_t event_type; 877 uint8_t resv[2]; 878 union { 879 struct sctp_log_closing close; 880 struct sctp_blk_args blk; 881 struct sctp_cwnd_args cwnd; 882 struct sctp_str_log strlog; 883 struct sctp_fr_log fr; 884 struct sctp_fr_map map; 885 struct sctp_rwnd_log rwnd; 886 struct sctp_mbcnt_log mbcnt; 887 struct sctp_sack_log sack; 888 struct sctp_lock_log lock; 889 struct sctp_rto_log rto; 890 struct sctp_sb_log sb; 891 struct sctp_nagle_log nagle; 892 struct sctp_sbwake_log wake; 893 struct sctp_mbuf_log mb; 894 struct sctp_misc_info misc; 895 } x; 896}; 897 898struct sctp_cwnd_log_req { 899 int32_t num_in_log; /* Number in log */ 900 int32_t num_ret; /* Number returned */ 901 int32_t start_at; /* start at this one */ 902 int32_t end_at; /* end at this one */ 903 struct sctp_cwnd_log log[]; 904}; 905 906struct sctp_timeval { 907 uint32_t tv_sec; 908 uint32_t tv_usec; 909}; 910 911struct sctpstat { 912 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 913 * (TimeStamp) */ 914 /* MIB according to RFC 3873 */ 915 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 916 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 917 uint32_t sctps_restartestab; 918 uint32_t sctps_collisionestab; 919 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 920 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 921 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 922 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 923 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 924 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 925 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 926 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 927 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 928 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 929 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 930 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 931 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 932 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 933 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 934 935 /* input statistics: */ 936 uint32_t sctps_recvpackets; /* total input packets */ 937 uint32_t sctps_recvdatagrams; /* total input datagrams */ 938 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 939 uint32_t sctps_recvsacks; /* total input SACK chunks */ 940 uint32_t sctps_recvdata;/* total input DATA chunks */ 941 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 942 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 943 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 944 uint32_t sctps_recvecne;/* total input ECNE chunks */ 945 uint32_t sctps_recvauth;/* total input AUTH chunks */ 946 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 947 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 948 * received */ 949 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 950 * received */ 951 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 952 uint32_t sctps_recvexpress; /* total fast path receives all one 953 * chunk */ 954 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 955 uint32_t sctps_recvnocrc; 956 uint32_t sctps_recvswcrc; 957 uint32_t sctps_recvhwcrc; 958 959 /* output statistics: */ 960 uint32_t sctps_sendpackets; /* total output packets */ 961 uint32_t sctps_sendsacks; /* total output SACKs */ 962 uint32_t sctps_senddata;/* total output DATA chunks */ 963 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 964 * chunks */ 965 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 966 * DATA chunks */ 967 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 968 * more than once to same 969 * chunk (u-del multi-fr 970 * algo). */ 971 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 972 uint32_t sctps_sendecne;/* total output ECNE chunks */ 973 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 974 uint32_t sctps_senderrors; /* ip_output error counter */ 975 uint32_t sctps_sendnocrc; 976 uint32_t sctps_sendswcrc; 977 uint32_t sctps_sendhwcrc; 978 /* PCKDROPREP statistics: */ 979 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 980 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 981 uint32_t sctps_pdrpmbda;/* P-drops with data */ 982 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 983 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 984 * only */ 985 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 986 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 987 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 988 * said break */ 989 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 990 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 991 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 992 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 993 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 994 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 995 /* timeouts */ 996 uint32_t sctps_timoiterator; /* Number of iterator timers that 997 * fired */ 998 uint32_t sctps_timodata;/* Number of T3 data time outs */ 999 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 1000 * that fired */ 1001 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 1002 uint32_t sctps_timosack;/* Number of sack timers that fired */ 1003 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 1004 * fired */ 1005 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 1006 * fired */ 1007 uint32_t sctps_timocookie; /* Number of times a cookie timeout 1008 * fired */ 1009 uint32_t sctps_timosecret; /* Number of times an endpoint changed 1010 * its cookie secret */ 1011 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1012 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 1013 * fired */ 1014 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 1015 * timers that fired */ 1016 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 1017 * fired */ 1018 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 1019 * fired */ 1020 uint32_t sctps_timoasconf; /* Number of times an asconf timer 1021 * fired */ 1022 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 1023 * timer fired */ 1024 uint32_t sctps_timoautoclose; /* Number of times auto close timer 1025 * fired */ 1026 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1027 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1028 /* former early FR counters */ 1029 uint32_t sctps_spare[11]; 1030 /* others */ 1031 uint32_t sctps_hdrops; /* packet shorter than header */ 1032 uint32_t sctps_badsum; /* checksum error */ 1033 uint32_t sctps_noport; /* no endpoint for port */ 1034 uint32_t sctps_badvtag; /* bad v-tag */ 1035 uint32_t sctps_badsid; /* bad SID */ 1036 uint32_t sctps_nomem; /* no memory */ 1037 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 1038 * RTT window */ 1039 uint32_t sctps_markedretrans; 1040 uint32_t sctps_naglesent; /* nagle allowed sending */ 1041 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1042 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1043 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1044 * interface ring buffer OR we had a 1045 * send error and are queuing one 1046 * send. */ 1047 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1048 uint32_t sctps_lowlevelerr; /* total times an output error causes 1049 * us to clamp down on next user send. */ 1050 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 1051 * caused from a user send from a user 1052 * invoked send not a sack response */ 1053 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 1054 * chunk limit reached */ 1055 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 1056 * limit reached */ 1057 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 1058 * cwnd */ 1059 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1060 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1061 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 1062 * of user data on primary */ 1063 uint32_t sctps_cmt_randry; /* Same for above */ 1064 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1065 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1066 uint32_t sctps_sends_with_flags; /* number of sends with 1067 * sinfo_flags !=0 */ 1068 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1069 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1070 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 1071 * flag set */ 1072 uint32_t sctps_protocol_drain_calls; /* number of times protocol 1073 * drain called */ 1074 uint32_t sctps_protocol_drains_done; /* number of times we did a 1075 * protocol drain */ 1076 uint32_t sctps_read_peeks; /* Number of times recv was called 1077 * with peek */ 1078 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1079 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1080 uint32_t sctps_left_abandon; /* Number of unread messages abandoned 1081 * by close */ 1082 uint32_t sctps_send_burst_avoid; /* Unused */ 1083 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 1084 * max burst inflight to net */ 1085 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 1086 * fwd-tsn's */ 1087 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or 1088 * updated an ECN chunk on send queue */ 1089 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's 1090 * from here when adding new */ 1091}; 1092 1093#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1094#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1095#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1096#define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1097#define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1098#else 1099#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1100#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1101#endif 1102/* The following macros are for handling MIB values, */ 1103#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1104#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1105#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1106#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1107#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1108#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1109 1110union sctp_sockstore { 1111#if defined(INET) || !defined(_KERNEL) 1112 struct sockaddr_in sin; 1113#endif 1114#if defined(INET6) || !defined(_KERNEL) 1115 struct sockaddr_in6 sin6; 1116#endif 1117 struct sockaddr sa; 1118}; 1119 1120 1121/***********************************/ 1122/* And something for us old timers */ 1123/***********************************/ 1124 1125#ifndef ntohll 1126#include <sys/endian.h> 1127#define ntohll(x) be64toh(x) 1128#endif 1129 1130#ifndef htonll 1131#include <sys/endian.h> 1132#define htonll(x) htobe64(x) 1133#endif 1134/***********************************/ 1135 1136 1137struct xsctp_inpcb { 1138 uint32_t last; 1139 uint32_t flags; 1140 uint32_t features; 1141 uint32_t total_sends; 1142 uint32_t total_recvs; 1143 uint32_t total_nospaces; 1144 uint32_t fragmentation_point; 1145 uint16_t local_port; 1146 uint16_t qlen; 1147 uint16_t maxqlen; 1148 uint32_t extra_padding[32]; /* future */ 1149}; 1150 1151struct xsctp_tcb { 1152 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1153 uint32_t last; 1154 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1155 uint32_t state; /* sctpAssocEntry 8 */ 1156 uint32_t in_streams; /* sctpAssocEntry 9 */ 1157 uint32_t out_streams; /* sctpAssocEntry 10 */ 1158 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1159 uint32_t primary_process; /* sctpAssocEntry 12 */ 1160 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1161 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1162 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1163 uint32_t total_sends; 1164 uint32_t total_recvs; 1165 uint32_t local_tag; 1166 uint32_t remote_tag; 1167 uint32_t initial_tsn; 1168 uint32_t highest_tsn; 1169 uint32_t cumulative_tsn; 1170 uint32_t cumulative_tsn_ack; 1171 uint32_t mtu; 1172 uint32_t refcnt; 1173 uint16_t local_port; /* sctpAssocEntry 3 */ 1174 uint16_t remote_port; /* sctpAssocEntry 4 */ 1175 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1176 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1177 uint32_t peers_rwnd; 1178 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1179 uint32_t extra_padding[32]; /* future */ 1180}; 1181 1182struct xsctp_laddr { 1183 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1184 uint32_t last; 1185 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1186 uint32_t extra_padding[32]; /* future */ 1187}; 1188 1189struct xsctp_raddr { 1190 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1191 uint32_t last; 1192 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1193 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1194 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1195 uint32_t error_counter; /* */ 1196 uint32_t cwnd; /* */ 1197 uint32_t flight_size; /* */ 1198 uint32_t mtu; /* */ 1199 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1200 uint8_t confirmed; /* */ 1201 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1202 uint8_t potentially_failed; 1203 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1204 uint32_t rtt; 1205 uint32_t heartbeat_interval; 1206 uint32_t extra_padding[31]; /* future */ 1207}; 1208 1209#define SCTP_MAX_LOGGING_SIZE 30000 1210#define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1211 1212struct sctp_log_entry { 1213 uint64_t timestamp; 1214 uint32_t subsys; 1215 uint32_t padding; 1216 uint32_t params[SCTP_TRACE_PARAMS]; 1217}; 1218 1219struct sctp_log { 1220 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1221 uint32_t index; 1222 uint32_t padding; 1223}; 1224 1225/* 1226 * Kernel defined for sctp_send 1227 */ 1228#if defined(_KERNEL) || defined(__Userspace__) 1229int 1230sctp_lower_sosend(struct socket *so, 1231 struct sockaddr *addr, 1232 struct uio *uio, 1233 struct mbuf *i_pak, 1234 struct mbuf *control, 1235 int flags, 1236 struct sctp_sndrcvinfo *srcv 1237 ,struct thread *p 1238); 1239 1240int 1241sctp_sorecvmsg(struct socket *so, 1242 struct uio *uio, 1243 struct mbuf **mp, 1244 struct sockaddr *from, 1245 int fromlen, 1246 int *msg_flags, 1247 struct sctp_sndrcvinfo *sinfo, 1248 int filling_sinfo); 1249 1250#endif 1251 1252/* 1253 * API system calls 1254 */ 1255#if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1256 1257__BEGIN_DECLS 1258int sctp_peeloff __P((int, sctp_assoc_t)); 1259int sctp_bindx __P((int, struct sockaddr *, int, int)); 1260int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1261int sctp_getaddrlen __P((sa_family_t)); 1262int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1263void sctp_freepaddrs __P((struct sockaddr *)); 1264int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1265void sctp_freeladdrs __P((struct sockaddr *)); 1266int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1267 1268/* deprecated */ 1269ssize_t sctp_sendmsg 1270__P((int, const void *, size_t, const struct sockaddr *, 1271 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1272 1273/* deprecated */ 1274 ssize_t sctp_send __P((int, const void *, size_t, 1275 const struct sctp_sndrcvinfo *, int)); 1276 1277/* deprecated */ 1278 ssize_t sctp_sendx __P((int, const void *, size_t, struct sockaddr *, 1279 int, struct sctp_sndrcvinfo *, int)); 1280 1281/* deprecated */ 1282 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, struct sockaddr *, 1283 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1284 1285 sctp_assoc_t sctp_getassocid __P((int, struct sockaddr *)); 1286 1287/* deprecated */ 1288 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, socklen_t *, 1289 struct sctp_sndrcvinfo *, int *)); 1290 1291 ssize_t sctp_sendv __P((int, const struct iovec *, int, struct sockaddr *, 1292 int, void *, socklen_t, unsigned int, int)); 1293 1294 ssize_t sctp_recvv __P((int, const struct iovec *, int, struct sockaddr *, 1295 socklen_t *, void *, socklen_t *, unsigned int *, int *)); 1296 1297__END_DECLS 1298 1299#endif /* !_KERNEL */ 1300#endif /* !__sctp_uio_h__ */ 1301