1/*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, 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#include <sys/cdefs.h> 34__FBSDID("$FreeBSD$"); 35 36#ifndef _NETINET_SCTP_UIO_H_ 37#define _NETINET_SCTP_UIO_H_ 38 39 40#if ! defined(_KERNEL) 41#include <stdint.h> 42#endif 43#include <sys/types.h> 44#include <sys/socket.h> 45#include <netinet/in.h> 46 47typedef uint32_t sctp_assoc_t; 48 49#define SCTP_FUTURE_ASSOC 0 50#define SCTP_CURRENT_ASSOC 1 51#define SCTP_ALL_ASSOC 2 52 53struct sctp_event { 54 sctp_assoc_t se_assoc_id; 55 uint16_t se_type; 56 uint8_t se_on; 57}; 58 59/* Compatibility to previous define's */ 60#define sctp_stream_reset_events sctp_stream_reset_event 61 62/* On/Off setup for subscription to events */ 63struct sctp_event_subscribe { 64 uint8_t sctp_data_io_event; 65 uint8_t sctp_association_event; 66 uint8_t sctp_address_event; 67 uint8_t sctp_send_failure_event; 68 uint8_t sctp_peer_error_event; 69 uint8_t sctp_shutdown_event; 70 uint8_t sctp_partial_delivery_event; 71 uint8_t sctp_adaptation_layer_event; 72 uint8_t sctp_authentication_event; 73 uint8_t sctp_sender_dry_event; 74 uint8_t sctp_stream_reset_event; 75}; 76 77/* ancillary data types */ 78#define SCTP_INIT 0x0001 79#define SCTP_SNDRCV 0x0002 80#define SCTP_EXTRCV 0x0003 81#define SCTP_SNDINFO 0x0004 82#define SCTP_RCVINFO 0x0005 83#define SCTP_NXTINFO 0x0006 84#define SCTP_PRINFO 0x0007 85#define SCTP_AUTHINFO 0x0008 86#define SCTP_DSTADDRV4 0x0009 87#define SCTP_DSTADDRV6 0x000a 88 89/* 90 * ancillary data structures 91 */ 92struct sctp_initmsg { 93 uint16_t sinit_num_ostreams; 94 uint16_t sinit_max_instreams; 95 uint16_t sinit_max_attempts; 96 uint16_t sinit_max_init_timeo; 97}; 98 99/* We add 96 bytes to the size of sctp_sndrcvinfo. 100 * This makes the current structure 128 bytes long 101 * which is nicely 64 bit aligned but also has room 102 * for us to add more and keep ABI compatibility. 103 * For example, already we have the sctp_extrcvinfo 104 * when enabled which is 48 bytes. 105 */ 106 107/* 108 * The assoc up needs a verfid 109 * all sendrcvinfo's need a verfid for SENDING only. 110 */ 111 112 113#define SCTP_ALIGN_RESV_PAD 92 114#define SCTP_ALIGN_RESV_PAD_SHORT 76 115 116struct sctp_sndrcvinfo { 117 uint16_t sinfo_stream; 118 uint16_t sinfo_ssn; 119 uint16_t sinfo_flags; 120 uint32_t sinfo_ppid; 121 uint32_t sinfo_context; 122 uint32_t sinfo_timetolive; 123 uint32_t sinfo_tsn; 124 uint32_t sinfo_cumtsn; 125 sctp_assoc_t sinfo_assoc_id; 126 uint16_t sinfo_keynumber; 127 uint16_t sinfo_keynumber_valid; 128 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 129}; 130 131struct sctp_extrcvinfo { 132 uint16_t sinfo_stream; 133 uint16_t sinfo_ssn; 134 uint16_t sinfo_flags; 135 uint32_t sinfo_ppid; 136 uint32_t sinfo_context; 137 uint32_t sinfo_timetolive; 138 uint32_t sinfo_tsn; 139 uint32_t sinfo_cumtsn; 140 sctp_assoc_t sinfo_assoc_id; 141 uint16_t sreinfo_next_flags; 142 uint16_t sreinfo_next_stream; 143 uint32_t sreinfo_next_aid; 144 uint32_t sreinfo_next_length; 145 uint32_t sreinfo_next_ppid; 146 uint16_t sinfo_keynumber; 147 uint16_t sinfo_keynumber_valid; 148 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 149}; 150 151struct sctp_sndinfo { 152 uint16_t snd_sid; 153 uint16_t snd_flags; 154 uint32_t snd_ppid; 155 uint32_t snd_context; 156 sctp_assoc_t snd_assoc_id; 157}; 158 159struct sctp_prinfo { 160 uint16_t pr_policy; 161 uint32_t pr_value; 162}; 163 164struct sctp_default_prinfo { 165 uint16_t pr_policy; 166 uint32_t pr_value; 167 sctp_assoc_t pr_assoc_id; 168}; 169 170struct sctp_authinfo { 171 uint16_t auth_keynumber; 172}; 173 174struct sctp_rcvinfo { 175 uint16_t rcv_sid; 176 uint16_t rcv_ssn; 177 uint16_t rcv_flags; 178 uint32_t rcv_ppid; 179 uint32_t rcv_tsn; 180 uint32_t rcv_cumtsn; 181 uint32_t rcv_context; 182 sctp_assoc_t rcv_assoc_id; 183}; 184 185struct sctp_nxtinfo { 186 uint16_t nxt_sid; 187 uint16_t nxt_flags; 188 uint32_t nxt_ppid; 189 uint32_t nxt_length; 190 sctp_assoc_t nxt_assoc_id; 191}; 192 193#define SCTP_NO_NEXT_MSG 0x0000 194#define SCTP_NEXT_MSG_AVAIL 0x0001 195#define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 196#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 197#define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 198 199struct sctp_recvv_rn { 200 struct sctp_rcvinfo recvv_rcvinfo; 201 struct sctp_nxtinfo recvv_nxtinfo; 202}; 203 204#define SCTP_RECVV_NOINFO 0 205#define SCTP_RECVV_RCVINFO 1 206#define SCTP_RECVV_NXTINFO 2 207#define SCTP_RECVV_RN 3 208 209#define SCTP_SENDV_NOINFO 0 210#define SCTP_SENDV_SNDINFO 1 211#define SCTP_SENDV_PRINFO 2 212#define SCTP_SENDV_AUTHINFO 3 213#define SCTP_SENDV_SPA 4 214 215struct sctp_sendv_spa { 216 uint32_t sendv_flags; 217 struct sctp_sndinfo sendv_sndinfo; 218 struct sctp_prinfo sendv_prinfo; 219 struct sctp_authinfo sendv_authinfo; 220}; 221 222#define SCTP_SEND_SNDINFO_VALID 0x00000001 223#define SCTP_SEND_PRINFO_VALID 0x00000002 224#define SCTP_SEND_AUTHINFO_VALID 0x00000004 225 226struct sctp_snd_all_completes { 227 uint16_t sall_stream; 228 uint16_t sall_flags; 229 uint32_t sall_ppid; 230 uint32_t sall_context; 231 uint32_t sall_num_sent; 232 uint32_t sall_num_failed; 233}; 234 235/* Flags that go into the sinfo->sinfo_flags field */ 236#define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ 237#define SCTP_COMPLETE 0x0020 /* next message is complete */ 238#define SCTP_EOF 0x0100 /* Start shutdown procedures */ 239#define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 240#define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 241#define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 242#define SCTP_SENDALL 0x1000 /* Send this on all associations */ 243#define SCTP_EOR 0x2000 /* end of message signal */ 244#define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 245 246#define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ 247 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 248 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 249 SCTP_SACK_IMMEDIATELY)) != 0) 250/* for the endpoint */ 251 252/* The lower four bits is an enumeration of PR-SCTP policies */ 253#define SCTP_PR_SCTP_NONE 0x0000/* Reliable transfer */ 254#define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 255#define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 256#define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 257#define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX 258#define SCTP_PR_SCTP_ALL 0x000f/* Used for aggregated stats */ 259 260#define PR_SCTP_POLICY(x) ((x) & 0x0f) 261#define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \ 262 (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL)) 263#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 264#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 265#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 266#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX) 267#define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX) 268 269/* Stat's */ 270struct sctp_pcbinfo { 271 uint32_t ep_count; 272 uint32_t asoc_count; 273 uint32_t laddr_count; 274 uint32_t raddr_count; 275 uint32_t chk_count; 276 uint32_t readq_count; 277 uint32_t free_chunks; 278 uint32_t stream_oque; 279}; 280 281struct sctp_sockstat { 282 sctp_assoc_t ss_assoc_id; 283 uint32_t ss_total_sndbuf; 284 uint32_t ss_total_recv_buf; 285}; 286 287/* 288 * notification event structures 289 */ 290 291/* 292 * association change event 293 */ 294struct sctp_assoc_change { 295 uint16_t sac_type; 296 uint16_t sac_flags; 297 uint32_t sac_length; 298 uint16_t sac_state; 299 uint16_t sac_error; 300 uint16_t sac_outbound_streams; 301 uint16_t sac_inbound_streams; 302 sctp_assoc_t sac_assoc_id; 303 uint8_t sac_info[]; 304}; 305 306/* sac_state values */ 307#define SCTP_COMM_UP 0x0001 308#define SCTP_COMM_LOST 0x0002 309#define SCTP_RESTART 0x0003 310#define SCTP_SHUTDOWN_COMP 0x0004 311#define SCTP_CANT_STR_ASSOC 0x0005 312 313/* sac_info values */ 314#define SCTP_ASSOC_SUPPORTS_PR 0x01 315#define SCTP_ASSOC_SUPPORTS_AUTH 0x02 316#define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 317#define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 318#define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 319#define SCTP_ASSOC_SUPPORTS_MAX 0x05 320/* 321 * Address event 322 */ 323struct sctp_paddr_change { 324 uint16_t spc_type; 325 uint16_t spc_flags; 326 uint32_t spc_length; 327 struct sockaddr_storage spc_aaddr; 328 uint32_t spc_state; 329 uint32_t spc_error; 330 sctp_assoc_t spc_assoc_id; 331 uint8_t spc_padding[4]; 332}; 333 334/* paddr state values */ 335#define SCTP_ADDR_AVAILABLE 0x0001 336#define SCTP_ADDR_UNREACHABLE 0x0002 337#define SCTP_ADDR_REMOVED 0x0003 338#define SCTP_ADDR_ADDED 0x0004 339#define SCTP_ADDR_MADE_PRIM 0x0005 340#define SCTP_ADDR_CONFIRMED 0x0006 341 342#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 343#define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor 344 * SCTP_ADDR_UNCONFIRMED */ 345#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 346 347/* remote error events */ 348struct sctp_remote_error { 349 uint16_t sre_type; 350 uint16_t sre_flags; 351 uint32_t sre_length; 352 uint16_t sre_error; 353 sctp_assoc_t sre_assoc_id; 354 uint8_t sre_data[4]; 355}; 356 357/* data send failure event (deprecated) */ 358struct sctp_send_failed { 359 uint16_t ssf_type; 360 uint16_t ssf_flags; 361 uint32_t ssf_length; 362 uint32_t ssf_error; 363 struct sctp_sndrcvinfo ssf_info; 364 sctp_assoc_t ssf_assoc_id; 365 uint8_t ssf_data[]; 366}; 367 368/* data send failure event (not deprecated) */ 369struct sctp_send_failed_event { 370 uint16_t ssfe_type; 371 uint16_t ssfe_flags; 372 uint32_t ssfe_length; 373 uint32_t ssfe_error; 374 struct sctp_sndinfo ssfe_info; 375 sctp_assoc_t ssfe_assoc_id; 376 uint8_t ssfe_data[]; 377}; 378 379/* flag that indicates state of data */ 380#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 381#define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 382 383/* shutdown event */ 384struct sctp_shutdown_event { 385 uint16_t sse_type; 386 uint16_t sse_flags; 387 uint32_t sse_length; 388 sctp_assoc_t sse_assoc_id; 389}; 390 391/* Adaptation layer indication stuff */ 392struct sctp_adaptation_event { 393 uint16_t sai_type; 394 uint16_t sai_flags; 395 uint32_t sai_length; 396 uint32_t sai_adaptation_ind; 397 sctp_assoc_t sai_assoc_id; 398}; 399 400struct sctp_setadaptation { 401 uint32_t ssb_adaptation_ind; 402}; 403 404/* compatible old spelling */ 405struct sctp_adaption_event { 406 uint16_t sai_type; 407 uint16_t sai_flags; 408 uint32_t sai_length; 409 uint32_t sai_adaption_ind; 410 sctp_assoc_t sai_assoc_id; 411}; 412 413struct sctp_setadaption { 414 uint32_t ssb_adaption_ind; 415}; 416 417 418/* 419 * Partial Delivery API event 420 */ 421struct sctp_pdapi_event { 422 uint16_t pdapi_type; 423 uint16_t pdapi_flags; 424 uint32_t pdapi_length; 425 uint32_t pdapi_indication; 426 uint16_t pdapi_stream; 427 uint16_t pdapi_seq; 428 sctp_assoc_t pdapi_assoc_id; 429}; 430 431/* indication values */ 432#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 433 434 435/* 436 * authentication key event 437 */ 438struct sctp_authkey_event { 439 uint16_t auth_type; 440 uint16_t auth_flags; 441 uint32_t auth_length; 442 uint16_t auth_keynumber; 443 uint16_t auth_altkeynumber; 444 uint32_t auth_indication; 445 sctp_assoc_t auth_assoc_id; 446}; 447 448/* indication values */ 449#define SCTP_AUTH_NEW_KEY 0x0001 450#define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 451#define SCTP_AUTH_NO_AUTH 0x0002 452#define SCTP_AUTH_FREE_KEY 0x0003 453 454 455struct sctp_sender_dry_event { 456 uint16_t sender_dry_type; 457 uint16_t sender_dry_flags; 458 uint32_t sender_dry_length; 459 sctp_assoc_t sender_dry_assoc_id; 460}; 461 462 463/* 464 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 465 */ 466struct sctp_stream_reset_event { 467 uint16_t strreset_type; 468 uint16_t strreset_flags; 469 uint32_t strreset_length; 470 sctp_assoc_t strreset_assoc_id; 471 uint16_t strreset_stream_list[]; 472}; 473 474/* flags in stream_reset_event (strreset_flags) */ 475#define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 476#define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 477#define SCTP_STREAM_RESET_DENIED 0x0004 478#define SCTP_STREAM_RESET_FAILED 0x0008 479 480/* 481 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 482 */ 483struct sctp_assoc_reset_event { 484 uint16_t assocreset_type; 485 uint16_t assocreset_flags; 486 uint32_t assocreset_length; 487 sctp_assoc_t assocreset_assoc_id; 488 uint32_t assocreset_local_tsn; 489 uint32_t assocreset_remote_tsn; 490}; 491 492#define SCTP_ASSOC_RESET_DENIED 0x0004 493#define SCTP_ASSOC_RESET_FAILED 0x0008 494 495/* 496 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 497 */ 498struct sctp_stream_change_event { 499 uint16_t strchange_type; 500 uint16_t strchange_flags; 501 uint32_t strchange_length; 502 sctp_assoc_t strchange_assoc_id; 503 uint16_t strchange_instrms; 504 uint16_t strchange_outstrms; 505}; 506 507#define SCTP_STREAM_CHANGE_DENIED 0x0004 508#define SCTP_STREAM_CHANGE_FAILED 0x0008 509 510 511/* SCTP notification event */ 512struct sctp_tlv { 513 uint16_t sn_type; 514 uint16_t sn_flags; 515 uint32_t sn_length; 516}; 517 518union sctp_notification { 519 struct sctp_tlv sn_header; 520 struct sctp_assoc_change sn_assoc_change; 521 struct sctp_paddr_change sn_paddr_change; 522 struct sctp_remote_error sn_remote_error; 523 struct sctp_send_failed sn_send_failed; 524 struct sctp_shutdown_event sn_shutdown_event; 525 struct sctp_adaptation_event sn_adaptation_event; 526 /* compatibility same as above */ 527 struct sctp_adaption_event sn_adaption_event; 528 struct sctp_pdapi_event sn_pdapi_event; 529 struct sctp_authkey_event sn_auth_event; 530 struct sctp_sender_dry_event sn_sender_dry_event; 531 struct sctp_send_failed_event sn_send_failed_event; 532 struct sctp_stream_reset_event sn_strreset_event; 533 struct sctp_assoc_reset_event sn_assocreset_event; 534 struct sctp_stream_change_event sn_strchange_event; 535}; 536 537/* notification types */ 538#define SCTP_ASSOC_CHANGE 0x0001 539#define SCTP_PEER_ADDR_CHANGE 0x0002 540#define SCTP_REMOTE_ERROR 0x0003 541#define SCTP_SEND_FAILED 0x0004 542#define SCTP_SHUTDOWN_EVENT 0x0005 543#define SCTP_ADAPTATION_INDICATION 0x0006 544/* same as above */ 545#define SCTP_ADAPTION_INDICATION 0x0006 546#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 547#define SCTP_AUTHENTICATION_EVENT 0x0008 548#define SCTP_STREAM_RESET_EVENT 0x0009 549#define SCTP_SENDER_DRY_EVENT 0x000a 550#define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */ 551#define SCTP_ASSOC_RESET_EVENT 0x000c 552#define SCTP_STREAM_CHANGE_EVENT 0x000d 553#define SCTP_SEND_FAILED_EVENT 0x000e 554/* 555 * socket option structs 556 */ 557 558struct sctp_paddrparams { 559 struct sockaddr_storage spp_address; 560 sctp_assoc_t spp_assoc_id; 561 uint32_t spp_hbinterval; 562 uint32_t spp_pathmtu; 563 uint32_t spp_flags; 564 uint32_t spp_ipv6_flowlabel; 565 uint16_t spp_pathmaxrxt; 566 uint8_t spp_dscp; 567}; 568 569#define spp_ipv4_tos spp_dscp 570 571#define SPP_HB_ENABLE 0x00000001 572#define SPP_HB_DISABLE 0x00000002 573#define SPP_HB_DEMAND 0x00000004 574#define SPP_PMTUD_ENABLE 0x00000008 575#define SPP_PMTUD_DISABLE 0x00000010 576#define SPP_HB_TIME_IS_ZERO 0x00000080 577#define SPP_IPV6_FLOWLABEL 0x00000100 578#define SPP_DSCP 0x00000200 579#define SPP_IPV4_TOS SPP_DSCP 580 581struct sctp_paddrthlds { 582 struct sockaddr_storage spt_address; 583 sctp_assoc_t spt_assoc_id; 584 uint16_t spt_pathmaxrxt; 585 uint16_t spt_pathpfthld; 586}; 587 588struct sctp_paddrinfo { 589 struct sockaddr_storage spinfo_address; 590 sctp_assoc_t spinfo_assoc_id; 591 int32_t spinfo_state; 592 uint32_t spinfo_cwnd; 593 uint32_t spinfo_srtt; 594 uint32_t spinfo_rto; 595 uint32_t spinfo_mtu; 596}; 597 598struct sctp_rtoinfo { 599 sctp_assoc_t srto_assoc_id; 600 uint32_t srto_initial; 601 uint32_t srto_max; 602 uint32_t srto_min; 603}; 604 605struct sctp_assocparams { 606 sctp_assoc_t sasoc_assoc_id; 607 uint32_t sasoc_peer_rwnd; 608 uint32_t sasoc_local_rwnd; 609 uint32_t sasoc_cookie_life; 610 uint16_t sasoc_asocmaxrxt; 611 uint16_t sasoc_number_peer_destinations; 612}; 613 614struct sctp_setprim { 615 struct sockaddr_storage ssp_addr; 616 sctp_assoc_t ssp_assoc_id; 617 uint8_t ssp_padding[4]; 618}; 619 620struct sctp_setpeerprim { 621 struct sockaddr_storage sspp_addr; 622 sctp_assoc_t sspp_assoc_id; 623 uint8_t sspp_padding[4]; 624}; 625 626struct sctp_getaddresses { 627 sctp_assoc_t sget_assoc_id; 628 /* addr is filled in for N * sockaddr_storage */ 629 struct sockaddr addr[1]; 630}; 631 632struct sctp_status { 633 sctp_assoc_t sstat_assoc_id; 634 int32_t sstat_state; 635 uint32_t sstat_rwnd; 636 uint16_t sstat_unackdata; 637 uint16_t sstat_penddata; 638 uint16_t sstat_instrms; 639 uint16_t sstat_outstrms; 640 uint32_t sstat_fragmentation_point; 641 struct sctp_paddrinfo sstat_primary; 642}; 643 644/* 645 * AUTHENTICATION support 646 */ 647/* SCTP_AUTH_CHUNK */ 648struct sctp_authchunk { 649 uint8_t sauth_chunk; 650}; 651 652/* SCTP_AUTH_KEY */ 653struct sctp_authkey { 654 sctp_assoc_t sca_assoc_id; 655 uint16_t sca_keynumber; 656 uint16_t sca_keylength; 657 uint8_t sca_key[]; 658}; 659 660/* SCTP_HMAC_IDENT */ 661struct sctp_hmacalgo { 662 uint32_t shmac_number_of_idents; 663 uint16_t shmac_idents[]; 664}; 665 666/* AUTH hmac_id */ 667#define SCTP_AUTH_HMAC_ID_RSVD 0x0000 668#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 669#define SCTP_AUTH_HMAC_ID_SHA256 0x0003 670 671/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 672struct sctp_authkeyid { 673 sctp_assoc_t scact_assoc_id; 674 uint16_t scact_keynumber; 675}; 676 677/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 678struct sctp_authchunks { 679 sctp_assoc_t gauth_assoc_id; 680 uint32_t gauth_number_of_chunks; 681 uint8_t gauth_chunks[]; 682}; 683 684struct sctp_assoc_value { 685 sctp_assoc_t assoc_id; 686 uint32_t assoc_value; 687}; 688 689struct sctp_cc_option { 690 int option; 691 struct sctp_assoc_value aid_value; 692}; 693 694struct sctp_stream_value { 695 sctp_assoc_t assoc_id; 696 uint16_t stream_id; 697 uint16_t stream_value; 698}; 699 700struct sctp_assoc_ids { 701 uint32_t gaids_number_of_ids; 702 sctp_assoc_t gaids_assoc_id[]; 703}; 704 705struct sctp_sack_info { 706 sctp_assoc_t sack_assoc_id; 707 uint32_t sack_delay; 708 uint32_t sack_freq; 709}; 710 711struct sctp_timeouts { 712 sctp_assoc_t stimo_assoc_id; 713 uint32_t stimo_init; 714 uint32_t stimo_data; 715 uint32_t stimo_sack; 716 uint32_t stimo_shutdown; 717 uint32_t stimo_heartbeat; 718 uint32_t stimo_cookie; 719 uint32_t stimo_shutdownack; 720}; 721 722struct sctp_udpencaps { 723 struct sockaddr_storage sue_address; 724 sctp_assoc_t sue_assoc_id; 725 uint16_t sue_port; 726}; 727 728struct sctp_prstatus { 729 sctp_assoc_t sprstat_assoc_id; 730 uint16_t sprstat_sid; 731 uint16_t sprstat_policy; 732 uint64_t sprstat_abandoned_unsent; 733 uint64_t sprstat_abandoned_sent; 734}; 735 736struct sctp_cwnd_args { 737 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 738 uint32_t cwnd_new_value;/* cwnd in k */ 739 uint32_t pseudo_cumack; 740 uint16_t inflight; /* flightsize in k */ 741 uint16_t cwnd_augment; /* increment to it */ 742 uint8_t meets_pseudo_cumack; 743 uint8_t need_new_pseudo_cumack; 744 uint8_t cnt_in_send; 745 uint8_t cnt_in_str; 746}; 747 748struct sctp_blk_args { 749 uint32_t onsb; /* in 1k bytes */ 750 uint32_t sndlen; /* len of send being attempted */ 751 uint32_t peer_rwnd; /* rwnd of peer */ 752 uint16_t send_sent_qcnt;/* chnk cnt */ 753 uint16_t stream_qcnt; /* chnk cnt */ 754 uint16_t chunks_on_oque;/* chunks out */ 755 uint16_t flight_size; /* flight size in k */ 756}; 757 758/* 759 * Max we can reset in one setting, note this is dictated not by the define 760 * but the size of a mbuf cluster so don't change this define and think you 761 * can specify more. You must do multiple resets if you want to reset more 762 * than SCTP_MAX_EXPLICIT_STR_RESET. 763 */ 764#define SCTP_MAX_EXPLICT_STR_RESET 1000 765 766struct sctp_reset_streams { 767 sctp_assoc_t srs_assoc_id; 768 uint16_t srs_flags; 769 uint16_t srs_number_streams; /* 0 == ALL */ 770 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */ 771}; 772 773struct sctp_add_streams { 774 sctp_assoc_t sas_assoc_id; 775 uint16_t sas_instrms; 776 uint16_t sas_outstrms; 777}; 778 779struct sctp_get_nonce_values { 780 sctp_assoc_t gn_assoc_id; 781 uint32_t gn_peers_tag; 782 uint32_t gn_local_tag; 783}; 784 785/* Debugging logs */ 786struct sctp_str_log { 787 void *stcb; /* FIXME: LP64 issue */ 788 uint32_t n_tsn; 789 uint32_t e_tsn; 790 uint16_t n_sseq; 791 uint16_t e_sseq; 792 uint16_t strm; 793}; 794 795struct sctp_sb_log { 796 void *stcb; /* FIXME: LP64 issue */ 797 uint32_t so_sbcc; 798 uint32_t stcb_sbcc; 799 uint32_t incr; 800}; 801 802struct sctp_fr_log { 803 uint32_t largest_tsn; 804 uint32_t largest_new_tsn; 805 uint32_t tsn; 806}; 807 808struct sctp_fr_map { 809 uint32_t base; 810 uint32_t cum; 811 uint32_t high; 812}; 813 814struct sctp_rwnd_log { 815 uint32_t rwnd; 816 uint32_t send_size; 817 uint32_t overhead; 818 uint32_t new_rwnd; 819}; 820 821struct sctp_mbcnt_log { 822 uint32_t total_queue_size; 823 uint32_t size_change; 824 uint32_t total_queue_mb_size; 825 uint32_t mbcnt_change; 826}; 827 828struct sctp_sack_log { 829 uint32_t cumack; 830 uint32_t oldcumack; 831 uint32_t tsn; 832 uint16_t numGaps; 833 uint16_t numDups; 834}; 835 836struct sctp_lock_log { 837 void *sock; /* FIXME: LP64 issue */ 838 void *inp; /* FIXME: LP64 issue */ 839 uint8_t tcb_lock; 840 uint8_t inp_lock; 841 uint8_t info_lock; 842 uint8_t sock_lock; 843 uint8_t sockrcvbuf_lock; 844 uint8_t socksndbuf_lock; 845 uint8_t create_lock; 846 uint8_t resv; 847}; 848 849struct sctp_rto_log { 850 void *net; /* FIXME: LP64 issue */ 851 uint32_t rtt; 852}; 853 854struct sctp_nagle_log { 855 void *stcb; /* FIXME: LP64 issue */ 856 uint32_t total_flight; 857 uint32_t total_in_queue; 858 uint16_t count_in_queue; 859 uint16_t count_in_flight; 860}; 861 862struct sctp_sbwake_log { 863 void *stcb; /* FIXME: LP64 issue */ 864 uint16_t send_q; 865 uint16_t sent_q; 866 uint16_t flight; 867 uint16_t wake_cnt; 868 uint8_t stream_qcnt; /* chnk cnt */ 869 uint8_t chunks_on_oque; /* chunks out */ 870 uint8_t sbflags; 871 uint8_t sctpflags; 872}; 873 874struct sctp_misc_info { 875 uint32_t log1; 876 uint32_t log2; 877 uint32_t log3; 878 uint32_t log4; 879}; 880 881struct sctp_log_closing { 882 void *inp; /* FIXME: LP64 issue */ 883 void *stcb; /* FIXME: LP64 issue */ 884 uint32_t sctp_flags; 885 uint16_t state; 886 int16_t loc; 887}; 888 889struct sctp_mbuf_log { 890 struct mbuf *mp; /* FIXME: LP64 issue */ 891 caddr_t ext; 892 caddr_t data; 893 uint16_t size; 894 uint8_t refcnt; 895 uint8_t mbuf_flags; 896}; 897 898struct sctp_cwnd_log { 899 uint64_t time_event; 900 uint8_t from; 901 uint8_t event_type; 902 uint8_t resv[2]; 903 union { 904 struct sctp_log_closing close; 905 struct sctp_blk_args blk; 906 struct sctp_cwnd_args cwnd; 907 struct sctp_str_log strlog; 908 struct sctp_fr_log fr; 909 struct sctp_fr_map map; 910 struct sctp_rwnd_log rwnd; 911 struct sctp_mbcnt_log mbcnt; 912 struct sctp_sack_log sack; 913 struct sctp_lock_log lock; 914 struct sctp_rto_log rto; 915 struct sctp_sb_log sb; 916 struct sctp_nagle_log nagle; 917 struct sctp_sbwake_log wake; 918 struct sctp_mbuf_log mb; 919 struct sctp_misc_info misc; 920 } x; 921}; 922 923struct sctp_cwnd_log_req { 924 int32_t num_in_log; /* Number in log */ 925 int32_t num_ret; /* Number returned */ 926 int32_t start_at; /* start at this one */ 927 int32_t end_at; /* end at this one */ 928 struct sctp_cwnd_log log[]; 929}; 930 931struct sctp_timeval { 932 uint32_t tv_sec; 933 uint32_t tv_usec; 934}; 935 936struct sctpstat { 937 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 938 * (TimeStamp) */ 939 /* MIB according to RFC 3873 */ 940 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 941 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 942 uint32_t sctps_restartestab; 943 uint32_t sctps_collisionestab; 944 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 945 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 946 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 947 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 948 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 949 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 950 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 951 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 952 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 953 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 954 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 955 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 956 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 957 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 958 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 959 960 /* input statistics: */ 961 uint32_t sctps_recvpackets; /* total input packets */ 962 uint32_t sctps_recvdatagrams; /* total input datagrams */ 963 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 964 uint32_t sctps_recvsacks; /* total input SACK chunks */ 965 uint32_t sctps_recvdata;/* total input DATA chunks */ 966 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 967 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 968 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 969 uint32_t sctps_recvecne;/* total input ECNE chunks */ 970 uint32_t sctps_recvauth;/* total input AUTH chunks */ 971 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 972 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 973 * received */ 974 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 975 * received */ 976 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 977 uint32_t sctps_recvexpress; /* total fast path receives all one 978 * chunk */ 979 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 980 uint32_t sctps_recvnocrc; 981 uint32_t sctps_recvswcrc; 982 uint32_t sctps_recvhwcrc; 983 984 /* output statistics: */ 985 uint32_t sctps_sendpackets; /* total output packets */ 986 uint32_t sctps_sendsacks; /* total output SACKs */ 987 uint32_t sctps_senddata;/* total output DATA chunks */ 988 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 989 * chunks */ 990 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 991 * DATA chunks */ 992 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 993 * more than once to same 994 * chunk (u-del multi-fr 995 * algo). */ 996 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 997 uint32_t sctps_sendecne;/* total output ECNE chunks */ 998 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 999 uint32_t sctps_senderrors; /* ip_output error counter */ 1000 uint32_t sctps_sendnocrc; 1001 uint32_t sctps_sendswcrc; 1002 uint32_t sctps_sendhwcrc; 1003 /* PCKDROPREP statistics: */ 1004 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 1005 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 1006 uint32_t sctps_pdrpmbda;/* P-drops with data */ 1007 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 1008 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 1009 * only */ 1010 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1011 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1012 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 1013 * said break */ 1014 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1015 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1016 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1017 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1018 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 1019 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 1020 /* timeouts */ 1021 uint32_t sctps_timoiterator; /* Number of iterator timers that 1022 * fired */ 1023 uint32_t sctps_timodata;/* Number of T3 data time outs */ 1024 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 1025 * that fired */ 1026 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 1027 uint32_t sctps_timosack;/* Number of sack timers that fired */ 1028 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 1029 * fired */ 1030 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 1031 * fired */ 1032 uint32_t sctps_timocookie; /* Number of times a cookie timeout 1033 * fired */ 1034 uint32_t sctps_timosecret; /* Number of times an endpoint changed 1035 * its cookie secret */ 1036 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1037 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 1038 * fired */ 1039 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 1040 * timers that fired */ 1041 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 1042 * fired */ 1043 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 1044 * fired */ 1045 uint32_t sctps_timoasconf; /* Number of times an asconf timer 1046 * fired */ 1047 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 1048 * timer fired */ 1049 uint32_t sctps_timoautoclose; /* Number of times auto close timer 1050 * fired */ 1051 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1052 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1053 /* former early FR counters */ 1054 uint32_t sctps_spare[11]; 1055 /* others */ 1056 uint32_t sctps_hdrops; /* packet shorter than header */ 1057 uint32_t sctps_badsum; /* checksum error */ 1058 uint32_t sctps_noport; /* no endpoint for port */ 1059 uint32_t sctps_badvtag; /* bad v-tag */ 1060 uint32_t sctps_badsid; /* bad SID */ 1061 uint32_t sctps_nomem; /* no memory */ 1062 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 1063 * RTT window */ 1064 uint32_t sctps_markedretrans; 1065 uint32_t sctps_naglesent; /* nagle allowed sending */ 1066 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1067 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1068 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1069 * interface ring buffer OR we had a 1070 * send error and are queuing one 1071 * send. */ 1072 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1073 uint32_t sctps_lowlevelerr; /* total times an output error causes 1074 * us to clamp down on next user send. */ 1075 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 1076 * caused from a user send from a user 1077 * invoked send not a sack response */ 1078 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 1079 * chunk limit reached */ 1080 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 1081 * limit reached */ 1082 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 1083 * cwnd */ 1084 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1085 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1086 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 1087 * of user data on primary */ 1088 uint32_t sctps_cmt_randry; /* Same for above */ 1089 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1090 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1091 uint32_t sctps_sends_with_flags; /* number of sends with 1092 * sinfo_flags !=0 */ 1093 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1094 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1095 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 1096 * flag set */ 1097 uint32_t sctps_protocol_drain_calls; /* number of times protocol 1098 * drain called */ 1099 uint32_t sctps_protocol_drains_done; /* number of times we did a 1100 * protocol drain */ 1101 uint32_t sctps_read_peeks; /* Number of times recv was called 1102 * with peek */ 1103 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1104 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1105 uint32_t sctps_left_abandon; /* Number of unread messages abandoned 1106 * by close */ 1107 uint32_t sctps_send_burst_avoid; /* Unused */ 1108 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 1109 * max burst inflight to net */ 1110 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 1111 * fwd-tsn's */ 1112 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or 1113 * updated an ECN chunk on send queue */ 1114 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's 1115 * from here when adding new */ 1116}; 1117 1118#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1119#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1120#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1121#define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1122#define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1123#else 1124#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1125#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1126#endif 1127/* The following macros are for handling MIB values, */ 1128#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1129#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1130#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1131#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1132#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1133#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1134 1135union sctp_sockstore { 1136 struct sockaddr_in sin; 1137 struct sockaddr_in6 sin6; 1138 struct sockaddr sa; 1139}; 1140 1141 1142/***********************************/ 1143/* And something for us old timers */ 1144/***********************************/ 1145 1146#ifndef ntohll 1147#include <sys/endian.h> 1148#define ntohll(x) be64toh(x) 1149#endif 1150 1151#ifndef htonll 1152#include <sys/endian.h> 1153#define htonll(x) htobe64(x) 1154#endif 1155/***********************************/ 1156 1157 1158struct xsctp_inpcb { 1159 uint32_t last; 1160 uint32_t flags; 1161 uint64_t features; 1162 uint32_t total_sends; 1163 uint32_t total_recvs; 1164 uint32_t total_nospaces; 1165 uint32_t fragmentation_point; 1166 uint16_t local_port; 1167 uint16_t qlen; 1168 uint16_t maxqlen; 1169 uint32_t extra_padding[31]; /* future */ 1170}; 1171 1172struct xsctp_tcb { 1173 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1174 uint32_t last; 1175 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1176 uint32_t state; /* sctpAssocEntry 8 */ 1177 uint32_t in_streams; /* sctpAssocEntry 9 */ 1178 uint32_t out_streams; /* sctpAssocEntry 10 */ 1179 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1180 uint32_t primary_process; /* sctpAssocEntry 12 */ 1181 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1182 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1183 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1184 uint32_t total_sends; 1185 uint32_t total_recvs; 1186 uint32_t local_tag; 1187 uint32_t remote_tag; 1188 uint32_t initial_tsn; 1189 uint32_t highest_tsn; 1190 uint32_t cumulative_tsn; 1191 uint32_t cumulative_tsn_ack; 1192 uint32_t mtu; 1193 uint32_t refcnt; 1194 uint16_t local_port; /* sctpAssocEntry 3 */ 1195 uint16_t remote_port; /* sctpAssocEntry 4 */ 1196 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1197 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1198 uint32_t peers_rwnd; 1199 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1200 uint32_t extra_padding[32]; /* future */ 1201}; 1202 1203struct xsctp_laddr { 1204 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1205 uint32_t last; 1206 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1207 uint32_t extra_padding[32]; /* future */ 1208}; 1209 1210struct xsctp_raddr { 1211 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1212 uint32_t last; 1213 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1214 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1215 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1216 uint32_t error_counter; /* */ 1217 uint32_t cwnd; /* */ 1218 uint32_t flight_size; /* */ 1219 uint32_t mtu; /* */ 1220 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1221 uint8_t confirmed; /* */ 1222 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1223 uint8_t potentially_failed; 1224 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1225 uint32_t rtt; 1226 uint32_t heartbeat_interval; 1227 uint32_t extra_padding[31]; /* future */ 1228}; 1229 1230#define SCTP_MAX_LOGGING_SIZE 30000 1231#define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1232 1233struct sctp_log_entry { 1234 uint64_t timestamp; 1235 uint32_t subsys; 1236 uint32_t padding; 1237 uint32_t params[SCTP_TRACE_PARAMS]; 1238}; 1239 1240struct sctp_log { 1241 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1242 uint32_t index; 1243 uint32_t padding; 1244}; 1245 1246/* 1247 * Kernel defined for sctp_send 1248 */ 1249#if defined(_KERNEL) || defined(__Userspace__) 1250int 1251sctp_lower_sosend(struct socket *so, 1252 struct sockaddr *addr, 1253 struct uio *uio, 1254 struct mbuf *i_pak, 1255 struct mbuf *control, 1256 int flags, 1257 struct sctp_sndrcvinfo *srcv 1258 ,struct thread *p 1259); 1260 1261int 1262sctp_sorecvmsg(struct socket *so, 1263 struct uio *uio, 1264 struct mbuf **mp, 1265 struct sockaddr *from, 1266 int fromlen, 1267 int *msg_flags, 1268 struct sctp_sndrcvinfo *sinfo, 1269 int filling_sinfo); 1270 1271#endif 1272 1273/* 1274 * API system calls 1275 */ 1276#if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1277 1278__BEGIN_DECLS 1279int sctp_peeloff(int, sctp_assoc_t); 1280int sctp_bindx(int, struct sockaddr *, int, int); 1281int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *); 1282int sctp_getaddrlen(sa_family_t); 1283int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **); 1284void sctp_freepaddrs(struct sockaddr *); 1285int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **); 1286void sctp_freeladdrs(struct sockaddr *); 1287int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *); 1288 1289/* deprecated */ 1290ssize_t 1291sctp_sendmsg(int, const void *, size_t, const struct sockaddr *, 1292 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1293 1294/* deprecated */ 1295ssize_t 1296sctp_send(int, const void *, size_t, 1297 const struct sctp_sndrcvinfo *, int); 1298 1299/* deprecated */ 1300ssize_t 1301sctp_sendx(int, const void *, size_t, struct sockaddr *, 1302 int, struct sctp_sndrcvinfo *, int); 1303 1304/* deprecated */ 1305ssize_t 1306sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *, 1307 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1308 1309sctp_assoc_t sctp_getassocid(int, struct sockaddr *); 1310 1311/* deprecated */ 1312ssize_t 1313sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *, 1314 struct sctp_sndrcvinfo *, int *); 1315 1316ssize_t 1317sctp_sendv(int, const struct iovec *, int, struct sockaddr *, 1318 int, void *, socklen_t, unsigned int, int); 1319 1320ssize_t 1321sctp_recvv(int, const struct iovec *, int, struct sockaddr *, 1322 socklen_t *, void *, socklen_t *, unsigned int *, int *); 1323 1324__END_DECLS 1325 1326#endif /* !_KERNEL */ 1327#endif /* !__sctp_uio_h__ */ 1328