sctp_uio.h revision 294178
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: stable/10/sys/netinet/sctp_uio.h 294178 2016-01-16 18:03:12Z tuexen $"); 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 serinfo_next_flags; 142 uint16_t serinfo_next_stream; 143 uint32_t serinfo_next_aid; 144 uint32_t serinfo_next_length; 145 uint32_t serinfo_next_ppid; 146 uint16_t sinfo_keynumber; 147 uint16_t sinfo_keynumber_valid; 148 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 149}; 150 151#define sreinfo_next_flags serinfo_next_flags 152#define sreinfo_next_stream serinfo_next_stream 153#define sreinfo_next_aid serinfo_next_aid 154#define sreinfo_next_length serinfo_next_length 155#define sreinfo_next_ppid serinfo_next_ppid 156 157struct sctp_sndinfo { 158 uint16_t snd_sid; 159 uint16_t snd_flags; 160 uint32_t snd_ppid; 161 uint32_t snd_context; 162 sctp_assoc_t snd_assoc_id; 163}; 164 165struct sctp_prinfo { 166 uint16_t pr_policy; 167 uint32_t pr_value; 168}; 169 170struct sctp_default_prinfo { 171 uint16_t pr_policy; 172 uint32_t pr_value; 173 sctp_assoc_t pr_assoc_id; 174}; 175 176struct sctp_authinfo { 177 uint16_t auth_keynumber; 178}; 179 180struct sctp_rcvinfo { 181 uint16_t rcv_sid; 182 uint16_t rcv_ssn; 183 uint16_t rcv_flags; 184 uint32_t rcv_ppid; 185 uint32_t rcv_tsn; 186 uint32_t rcv_cumtsn; 187 uint32_t rcv_context; 188 sctp_assoc_t rcv_assoc_id; 189}; 190 191struct sctp_nxtinfo { 192 uint16_t nxt_sid; 193 uint16_t nxt_flags; 194 uint32_t nxt_ppid; 195 uint32_t nxt_length; 196 sctp_assoc_t nxt_assoc_id; 197}; 198 199#define SCTP_NO_NEXT_MSG 0x0000 200#define SCTP_NEXT_MSG_AVAIL 0x0001 201#define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 202#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 203#define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 204 205struct sctp_recvv_rn { 206 struct sctp_rcvinfo recvv_rcvinfo; 207 struct sctp_nxtinfo recvv_nxtinfo; 208}; 209 210#define SCTP_RECVV_NOINFO 0 211#define SCTP_RECVV_RCVINFO 1 212#define SCTP_RECVV_NXTINFO 2 213#define SCTP_RECVV_RN 3 214 215#define SCTP_SENDV_NOINFO 0 216#define SCTP_SENDV_SNDINFO 1 217#define SCTP_SENDV_PRINFO 2 218#define SCTP_SENDV_AUTHINFO 3 219#define SCTP_SENDV_SPA 4 220 221struct sctp_sendv_spa { 222 uint32_t sendv_flags; 223 struct sctp_sndinfo sendv_sndinfo; 224 struct sctp_prinfo sendv_prinfo; 225 struct sctp_authinfo sendv_authinfo; 226}; 227 228#define SCTP_SEND_SNDINFO_VALID 0x00000001 229#define SCTP_SEND_PRINFO_VALID 0x00000002 230#define SCTP_SEND_AUTHINFO_VALID 0x00000004 231 232struct sctp_snd_all_completes { 233 uint16_t sall_stream; 234 uint16_t sall_flags; 235 uint32_t sall_ppid; 236 uint32_t sall_context; 237 uint32_t sall_num_sent; 238 uint32_t sall_num_failed; 239}; 240 241/* Flags that go into the sinfo->sinfo_flags field */ 242#define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ 243#define SCTP_COMPLETE 0x0020 /* next message is complete */ 244#define SCTP_EOF 0x0100 /* Start shutdown procedures */ 245#define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 246#define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 247#define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 248#define SCTP_SENDALL 0x1000 /* Send this on all associations */ 249#define SCTP_EOR 0x2000 /* end of message signal */ 250#define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 251 252#define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ 253 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 254 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 255 SCTP_SACK_IMMEDIATELY)) != 0) 256/* for the endpoint */ 257 258/* The lower four bits is an enumeration of PR-SCTP policies */ 259#define SCTP_PR_SCTP_NONE 0x0000/* Reliable transfer */ 260#define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 261#define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 262#define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 263#define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX 264#define SCTP_PR_SCTP_ALL 0x000f/* Used for aggregated stats */ 265 266#define PR_SCTP_POLICY(x) ((x) & 0x0f) 267#define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \ 268 (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL)) 269#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 270#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 271#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 272#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX) 273#define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX) 274 275/* Stat's */ 276struct sctp_pcbinfo { 277 uint32_t ep_count; 278 uint32_t asoc_count; 279 uint32_t laddr_count; 280 uint32_t raddr_count; 281 uint32_t chk_count; 282 uint32_t readq_count; 283 uint32_t free_chunks; 284 uint32_t stream_oque; 285}; 286 287struct sctp_sockstat { 288 sctp_assoc_t ss_assoc_id; 289 uint32_t ss_total_sndbuf; 290 uint32_t ss_total_recv_buf; 291}; 292 293/* 294 * notification event structures 295 */ 296 297/* 298 * association change event 299 */ 300struct sctp_assoc_change { 301 uint16_t sac_type; 302 uint16_t sac_flags; 303 uint32_t sac_length; 304 uint16_t sac_state; 305 uint16_t sac_error; 306 uint16_t sac_outbound_streams; 307 uint16_t sac_inbound_streams; 308 sctp_assoc_t sac_assoc_id; 309 uint8_t sac_info[]; 310}; 311 312/* sac_state values */ 313#define SCTP_COMM_UP 0x0001 314#define SCTP_COMM_LOST 0x0002 315#define SCTP_RESTART 0x0003 316#define SCTP_SHUTDOWN_COMP 0x0004 317#define SCTP_CANT_STR_ASSOC 0x0005 318 319/* sac_info values */ 320#define SCTP_ASSOC_SUPPORTS_PR 0x01 321#define SCTP_ASSOC_SUPPORTS_AUTH 0x02 322#define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 323#define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 324#define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 325#define SCTP_ASSOC_SUPPORTS_MAX 0x05 326/* 327 * Address event 328 */ 329struct sctp_paddr_change { 330 uint16_t spc_type; 331 uint16_t spc_flags; 332 uint32_t spc_length; 333 struct sockaddr_storage spc_aaddr; 334 uint32_t spc_state; 335 uint32_t spc_error; 336 sctp_assoc_t spc_assoc_id; 337 uint8_t spc_padding[4]; 338}; 339 340/* paddr state values */ 341#define SCTP_ADDR_AVAILABLE 0x0001 342#define SCTP_ADDR_UNREACHABLE 0x0002 343#define SCTP_ADDR_REMOVED 0x0003 344#define SCTP_ADDR_ADDED 0x0004 345#define SCTP_ADDR_MADE_PRIM 0x0005 346#define SCTP_ADDR_CONFIRMED 0x0006 347 348#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 349#define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor 350 * SCTP_ADDR_UNCONFIRMED */ 351#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 352 353/* remote error events */ 354struct sctp_remote_error { 355 uint16_t sre_type; 356 uint16_t sre_flags; 357 uint32_t sre_length; 358 uint16_t sre_error; 359 sctp_assoc_t sre_assoc_id; 360 uint8_t sre_data[4]; 361}; 362 363/* data send failure event (deprecated) */ 364struct sctp_send_failed { 365 uint16_t ssf_type; 366 uint16_t ssf_flags; 367 uint32_t ssf_length; 368 uint32_t ssf_error; 369 struct sctp_sndrcvinfo ssf_info; 370 sctp_assoc_t ssf_assoc_id; 371 uint8_t ssf_data[]; 372}; 373 374/* data send failure event (not deprecated) */ 375struct sctp_send_failed_event { 376 uint16_t ssfe_type; 377 uint16_t ssfe_flags; 378 uint32_t ssfe_length; 379 uint32_t ssfe_error; 380 struct sctp_sndinfo ssfe_info; 381 sctp_assoc_t ssfe_assoc_id; 382 uint8_t ssfe_data[]; 383}; 384 385/* flag that indicates state of data */ 386#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 387#define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 388 389/* shutdown event */ 390struct sctp_shutdown_event { 391 uint16_t sse_type; 392 uint16_t sse_flags; 393 uint32_t sse_length; 394 sctp_assoc_t sse_assoc_id; 395}; 396 397/* Adaptation layer indication stuff */ 398struct sctp_adaptation_event { 399 uint16_t sai_type; 400 uint16_t sai_flags; 401 uint32_t sai_length; 402 uint32_t sai_adaptation_ind; 403 sctp_assoc_t sai_assoc_id; 404}; 405 406struct sctp_setadaptation { 407 uint32_t ssb_adaptation_ind; 408}; 409 410/* compatible old spelling */ 411struct sctp_adaption_event { 412 uint16_t sai_type; 413 uint16_t sai_flags; 414 uint32_t sai_length; 415 uint32_t sai_adaption_ind; 416 sctp_assoc_t sai_assoc_id; 417}; 418 419struct sctp_setadaption { 420 uint32_t ssb_adaption_ind; 421}; 422 423 424/* 425 * Partial Delivery API event 426 */ 427struct sctp_pdapi_event { 428 uint16_t pdapi_type; 429 uint16_t pdapi_flags; 430 uint32_t pdapi_length; 431 uint32_t pdapi_indication; 432 uint16_t pdapi_stream; 433 uint16_t pdapi_seq; 434 sctp_assoc_t pdapi_assoc_id; 435}; 436 437/* indication values */ 438#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 439 440 441/* 442 * authentication key event 443 */ 444struct sctp_authkey_event { 445 uint16_t auth_type; 446 uint16_t auth_flags; 447 uint32_t auth_length; 448 uint16_t auth_keynumber; 449 uint16_t auth_altkeynumber; 450 uint32_t auth_indication; 451 sctp_assoc_t auth_assoc_id; 452}; 453 454/* indication values */ 455#define SCTP_AUTH_NEW_KEY 0x0001 456#define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 457#define SCTP_AUTH_NO_AUTH 0x0002 458#define SCTP_AUTH_FREE_KEY 0x0003 459 460 461struct sctp_sender_dry_event { 462 uint16_t sender_dry_type; 463 uint16_t sender_dry_flags; 464 uint32_t sender_dry_length; 465 sctp_assoc_t sender_dry_assoc_id; 466}; 467 468 469/* 470 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 471 */ 472struct sctp_stream_reset_event { 473 uint16_t strreset_type; 474 uint16_t strreset_flags; 475 uint32_t strreset_length; 476 sctp_assoc_t strreset_assoc_id; 477 uint16_t strreset_stream_list[]; 478}; 479 480/* flags in stream_reset_event (strreset_flags) */ 481#define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 482#define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 483#define SCTP_STREAM_RESET_DENIED 0x0004 484#define SCTP_STREAM_RESET_FAILED 0x0008 485 486/* 487 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 488 */ 489struct sctp_assoc_reset_event { 490 uint16_t assocreset_type; 491 uint16_t assocreset_flags; 492 uint32_t assocreset_length; 493 sctp_assoc_t assocreset_assoc_id; 494 uint32_t assocreset_local_tsn; 495 uint32_t assocreset_remote_tsn; 496}; 497 498#define SCTP_ASSOC_RESET_DENIED 0x0004 499#define SCTP_ASSOC_RESET_FAILED 0x0008 500 501/* 502 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 503 */ 504struct sctp_stream_change_event { 505 uint16_t strchange_type; 506 uint16_t strchange_flags; 507 uint32_t strchange_length; 508 sctp_assoc_t strchange_assoc_id; 509 uint16_t strchange_instrms; 510 uint16_t strchange_outstrms; 511}; 512 513#define SCTP_STREAM_CHANGE_DENIED 0x0004 514#define SCTP_STREAM_CHANGE_FAILED 0x0008 515 516 517/* SCTP notification event */ 518struct sctp_tlv { 519 uint16_t sn_type; 520 uint16_t sn_flags; 521 uint32_t sn_length; 522}; 523 524union sctp_notification { 525 struct sctp_tlv sn_header; 526 struct sctp_assoc_change sn_assoc_change; 527 struct sctp_paddr_change sn_paddr_change; 528 struct sctp_remote_error sn_remote_error; 529 struct sctp_send_failed sn_send_failed; 530 struct sctp_shutdown_event sn_shutdown_event; 531 struct sctp_adaptation_event sn_adaptation_event; 532 /* compatibility same as above */ 533 struct sctp_adaption_event sn_adaption_event; 534 struct sctp_pdapi_event sn_pdapi_event; 535 struct sctp_authkey_event sn_auth_event; 536 struct sctp_sender_dry_event sn_sender_dry_event; 537 struct sctp_send_failed_event sn_send_failed_event; 538 struct sctp_stream_reset_event sn_strreset_event; 539 struct sctp_assoc_reset_event sn_assocreset_event; 540 struct sctp_stream_change_event sn_strchange_event; 541}; 542 543/* notification types */ 544#define SCTP_ASSOC_CHANGE 0x0001 545#define SCTP_PEER_ADDR_CHANGE 0x0002 546#define SCTP_REMOTE_ERROR 0x0003 547#define SCTP_SEND_FAILED 0x0004 548#define SCTP_SHUTDOWN_EVENT 0x0005 549#define SCTP_ADAPTATION_INDICATION 0x0006 550/* same as above */ 551#define SCTP_ADAPTION_INDICATION 0x0006 552#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 553#define SCTP_AUTHENTICATION_EVENT 0x0008 554#define SCTP_STREAM_RESET_EVENT 0x0009 555#define SCTP_SENDER_DRY_EVENT 0x000a 556#define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */ 557#define SCTP_ASSOC_RESET_EVENT 0x000c 558#define SCTP_STREAM_CHANGE_EVENT 0x000d 559#define SCTP_SEND_FAILED_EVENT 0x000e 560/* 561 * socket option structs 562 */ 563 564struct sctp_paddrparams { 565 struct sockaddr_storage spp_address; 566 sctp_assoc_t spp_assoc_id; 567 uint32_t spp_hbinterval; 568 uint32_t spp_pathmtu; 569 uint32_t spp_flags; 570 uint32_t spp_ipv6_flowlabel; 571 uint16_t spp_pathmaxrxt; 572 uint8_t spp_dscp; 573}; 574 575#define spp_ipv4_tos spp_dscp 576 577#define SPP_HB_ENABLE 0x00000001 578#define SPP_HB_DISABLE 0x00000002 579#define SPP_HB_DEMAND 0x00000004 580#define SPP_PMTUD_ENABLE 0x00000008 581#define SPP_PMTUD_DISABLE 0x00000010 582#define SPP_HB_TIME_IS_ZERO 0x00000080 583#define SPP_IPV6_FLOWLABEL 0x00000100 584#define SPP_DSCP 0x00000200 585#define SPP_IPV4_TOS SPP_DSCP 586 587struct sctp_paddrthlds { 588 struct sockaddr_storage spt_address; 589 sctp_assoc_t spt_assoc_id; 590 uint16_t spt_pathmaxrxt; 591 uint16_t spt_pathpfthld; 592}; 593 594struct sctp_paddrinfo { 595 struct sockaddr_storage spinfo_address; 596 sctp_assoc_t spinfo_assoc_id; 597 int32_t spinfo_state; 598 uint32_t spinfo_cwnd; 599 uint32_t spinfo_srtt; 600 uint32_t spinfo_rto; 601 uint32_t spinfo_mtu; 602}; 603 604struct sctp_rtoinfo { 605 sctp_assoc_t srto_assoc_id; 606 uint32_t srto_initial; 607 uint32_t srto_max; 608 uint32_t srto_min; 609}; 610 611struct sctp_assocparams { 612 sctp_assoc_t sasoc_assoc_id; 613 uint32_t sasoc_peer_rwnd; 614 uint32_t sasoc_local_rwnd; 615 uint32_t sasoc_cookie_life; 616 uint16_t sasoc_asocmaxrxt; 617 uint16_t sasoc_number_peer_destinations; 618}; 619 620struct sctp_setprim { 621 struct sockaddr_storage ssp_addr; 622 sctp_assoc_t ssp_assoc_id; 623 uint8_t ssp_padding[4]; 624}; 625 626struct sctp_setpeerprim { 627 struct sockaddr_storage sspp_addr; 628 sctp_assoc_t sspp_assoc_id; 629 uint8_t sspp_padding[4]; 630}; 631 632struct sctp_getaddresses { 633 sctp_assoc_t sget_assoc_id; 634 /* addr is filled in for N * sockaddr_storage */ 635 struct sockaddr addr[1]; 636}; 637 638struct sctp_status { 639 sctp_assoc_t sstat_assoc_id; 640 int32_t sstat_state; 641 uint32_t sstat_rwnd; 642 uint16_t sstat_unackdata; 643 uint16_t sstat_penddata; 644 uint16_t sstat_instrms; 645 uint16_t sstat_outstrms; 646 uint32_t sstat_fragmentation_point; 647 struct sctp_paddrinfo sstat_primary; 648}; 649 650/* 651 * AUTHENTICATION support 652 */ 653/* SCTP_AUTH_CHUNK */ 654struct sctp_authchunk { 655 uint8_t sauth_chunk; 656}; 657 658/* SCTP_AUTH_KEY */ 659struct sctp_authkey { 660 sctp_assoc_t sca_assoc_id; 661 uint16_t sca_keynumber; 662 uint16_t sca_keylength; 663 uint8_t sca_key[]; 664}; 665 666/* SCTP_HMAC_IDENT */ 667struct sctp_hmacalgo { 668 uint32_t shmac_number_of_idents; 669 uint16_t shmac_idents[]; 670}; 671 672/* AUTH hmac_id */ 673#define SCTP_AUTH_HMAC_ID_RSVD 0x0000 674#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 675#define SCTP_AUTH_HMAC_ID_SHA256 0x0003 676 677/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 678struct sctp_authkeyid { 679 sctp_assoc_t scact_assoc_id; 680 uint16_t scact_keynumber; 681}; 682 683/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 684struct sctp_authchunks { 685 sctp_assoc_t gauth_assoc_id; 686 uint32_t gauth_number_of_chunks; 687 uint8_t gauth_chunks[]; 688}; 689 690struct sctp_assoc_value { 691 sctp_assoc_t assoc_id; 692 uint32_t assoc_value; 693}; 694 695struct sctp_cc_option { 696 int option; 697 struct sctp_assoc_value aid_value; 698}; 699 700struct sctp_stream_value { 701 sctp_assoc_t assoc_id; 702 uint16_t stream_id; 703 uint16_t stream_value; 704}; 705 706struct sctp_assoc_ids { 707 uint32_t gaids_number_of_ids; 708 sctp_assoc_t gaids_assoc_id[]; 709}; 710 711struct sctp_sack_info { 712 sctp_assoc_t sack_assoc_id; 713 uint32_t sack_delay; 714 uint32_t sack_freq; 715}; 716 717struct sctp_timeouts { 718 sctp_assoc_t stimo_assoc_id; 719 uint32_t stimo_init; 720 uint32_t stimo_data; 721 uint32_t stimo_sack; 722 uint32_t stimo_shutdown; 723 uint32_t stimo_heartbeat; 724 uint32_t stimo_cookie; 725 uint32_t stimo_shutdownack; 726}; 727 728struct sctp_udpencaps { 729 struct sockaddr_storage sue_address; 730 sctp_assoc_t sue_assoc_id; 731 uint16_t sue_port; 732}; 733 734struct sctp_prstatus { 735 sctp_assoc_t sprstat_assoc_id; 736 uint16_t sprstat_sid; 737 uint16_t sprstat_policy; 738 uint64_t sprstat_abandoned_unsent; 739 uint64_t sprstat_abandoned_sent; 740}; 741 742struct sctp_cwnd_args { 743 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 744 uint32_t cwnd_new_value;/* cwnd in k */ 745 uint32_t pseudo_cumack; 746 uint16_t inflight; /* flightsize in k */ 747 uint16_t cwnd_augment; /* increment to it */ 748 uint8_t meets_pseudo_cumack; 749 uint8_t need_new_pseudo_cumack; 750 uint8_t cnt_in_send; 751 uint8_t cnt_in_str; 752}; 753 754struct sctp_blk_args { 755 uint32_t onsb; /* in 1k bytes */ 756 uint32_t sndlen; /* len of send being attempted */ 757 uint32_t peer_rwnd; /* rwnd of peer */ 758 uint16_t send_sent_qcnt;/* chnk cnt */ 759 uint16_t stream_qcnt; /* chnk cnt */ 760 uint16_t chunks_on_oque;/* chunks out */ 761 uint16_t flight_size; /* flight size in k */ 762}; 763 764/* 765 * Max we can reset in one setting, note this is dictated not by the define 766 * but the size of a mbuf cluster so don't change this define and think you 767 * can specify more. You must do multiple resets if you want to reset more 768 * than SCTP_MAX_EXPLICIT_STR_RESET. 769 */ 770#define SCTP_MAX_EXPLICT_STR_RESET 1000 771 772struct sctp_reset_streams { 773 sctp_assoc_t srs_assoc_id; 774 uint16_t srs_flags; 775 uint16_t srs_number_streams; /* 0 == ALL */ 776 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */ 777}; 778 779struct sctp_add_streams { 780 sctp_assoc_t sas_assoc_id; 781 uint16_t sas_instrms; 782 uint16_t sas_outstrms; 783}; 784 785struct sctp_get_nonce_values { 786 sctp_assoc_t gn_assoc_id; 787 uint32_t gn_peers_tag; 788 uint32_t gn_local_tag; 789}; 790 791/* Debugging logs */ 792struct sctp_str_log { 793 void *stcb; /* FIXME: LP64 issue */ 794 uint32_t n_tsn; 795 uint32_t e_tsn; 796 uint16_t n_sseq; 797 uint16_t e_sseq; 798 uint16_t strm; 799}; 800 801struct sctp_sb_log { 802 void *stcb; /* FIXME: LP64 issue */ 803 uint32_t so_sbcc; 804 uint32_t stcb_sbcc; 805 uint32_t incr; 806}; 807 808struct sctp_fr_log { 809 uint32_t largest_tsn; 810 uint32_t largest_new_tsn; 811 uint32_t tsn; 812}; 813 814struct sctp_fr_map { 815 uint32_t base; 816 uint32_t cum; 817 uint32_t high; 818}; 819 820struct sctp_rwnd_log { 821 uint32_t rwnd; 822 uint32_t send_size; 823 uint32_t overhead; 824 uint32_t new_rwnd; 825}; 826 827struct sctp_mbcnt_log { 828 uint32_t total_queue_size; 829 uint32_t size_change; 830 uint32_t total_queue_mb_size; 831 uint32_t mbcnt_change; 832}; 833 834struct sctp_sack_log { 835 uint32_t cumack; 836 uint32_t oldcumack; 837 uint32_t tsn; 838 uint16_t numGaps; 839 uint16_t numDups; 840}; 841 842struct sctp_lock_log { 843 void *sock; /* FIXME: LP64 issue */ 844 void *inp; /* FIXME: LP64 issue */ 845 uint8_t tcb_lock; 846 uint8_t inp_lock; 847 uint8_t info_lock; 848 uint8_t sock_lock; 849 uint8_t sockrcvbuf_lock; 850 uint8_t socksndbuf_lock; 851 uint8_t create_lock; 852 uint8_t resv; 853}; 854 855struct sctp_rto_log { 856 void *net; /* FIXME: LP64 issue */ 857 uint32_t rtt; 858}; 859 860struct sctp_nagle_log { 861 void *stcb; /* FIXME: LP64 issue */ 862 uint32_t total_flight; 863 uint32_t total_in_queue; 864 uint16_t count_in_queue; 865 uint16_t count_in_flight; 866}; 867 868struct sctp_sbwake_log { 869 void *stcb; /* FIXME: LP64 issue */ 870 uint16_t send_q; 871 uint16_t sent_q; 872 uint16_t flight; 873 uint16_t wake_cnt; 874 uint8_t stream_qcnt; /* chnk cnt */ 875 uint8_t chunks_on_oque; /* chunks out */ 876 uint8_t sbflags; 877 uint8_t sctpflags; 878}; 879 880struct sctp_misc_info { 881 uint32_t log1; 882 uint32_t log2; 883 uint32_t log3; 884 uint32_t log4; 885}; 886 887struct sctp_log_closing { 888 void *inp; /* FIXME: LP64 issue */ 889 void *stcb; /* FIXME: LP64 issue */ 890 uint32_t sctp_flags; 891 uint16_t state; 892 int16_t loc; 893}; 894 895struct sctp_mbuf_log { 896 struct mbuf *mp; /* FIXME: LP64 issue */ 897 caddr_t ext; 898 caddr_t data; 899 uint16_t size; 900 uint8_t refcnt; 901 uint8_t mbuf_flags; 902}; 903 904struct sctp_cwnd_log { 905 uint64_t time_event; 906 uint8_t from; 907 uint8_t event_type; 908 uint8_t resv[2]; 909 union { 910 struct sctp_log_closing close; 911 struct sctp_blk_args blk; 912 struct sctp_cwnd_args cwnd; 913 struct sctp_str_log strlog; 914 struct sctp_fr_log fr; 915 struct sctp_fr_map map; 916 struct sctp_rwnd_log rwnd; 917 struct sctp_mbcnt_log mbcnt; 918 struct sctp_sack_log sack; 919 struct sctp_lock_log lock; 920 struct sctp_rto_log rto; 921 struct sctp_sb_log sb; 922 struct sctp_nagle_log nagle; 923 struct sctp_sbwake_log wake; 924 struct sctp_mbuf_log mb; 925 struct sctp_misc_info misc; 926 } x; 927}; 928 929struct sctp_cwnd_log_req { 930 int32_t num_in_log; /* Number in log */ 931 int32_t num_ret; /* Number returned */ 932 int32_t start_at; /* start at this one */ 933 int32_t end_at; /* end at this one */ 934 struct sctp_cwnd_log log[]; 935}; 936 937struct sctp_timeval { 938 uint32_t tv_sec; 939 uint32_t tv_usec; 940}; 941 942struct sctpstat { 943 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 944 * (TimeStamp) */ 945 /* MIB according to RFC 3873 */ 946 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 947 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 948 uint32_t sctps_restartestab; 949 uint32_t sctps_collisionestab; 950 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 951 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 952 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 953 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 954 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 955 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 956 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 957 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 958 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 959 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 960 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 961 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 962 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 963 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 964 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 965 966 /* input statistics: */ 967 uint32_t sctps_recvpackets; /* total input packets */ 968 uint32_t sctps_recvdatagrams; /* total input datagrams */ 969 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 970 uint32_t sctps_recvsacks; /* total input SACK chunks */ 971 uint32_t sctps_recvdata;/* total input DATA chunks */ 972 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 973 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 974 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 975 uint32_t sctps_recvecne;/* total input ECNE chunks */ 976 uint32_t sctps_recvauth;/* total input AUTH chunks */ 977 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 978 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 979 * received */ 980 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 981 * received */ 982 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 983 uint32_t sctps_recvexpress; /* total fast path receives all one 984 * chunk */ 985 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 986 uint32_t sctps_recvnocrc; 987 uint32_t sctps_recvswcrc; 988 uint32_t sctps_recvhwcrc; 989 990 /* output statistics: */ 991 uint32_t sctps_sendpackets; /* total output packets */ 992 uint32_t sctps_sendsacks; /* total output SACKs */ 993 uint32_t sctps_senddata;/* total output DATA chunks */ 994 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 995 * chunks */ 996 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 997 * DATA chunks */ 998 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 999 * more than once to same 1000 * chunk (u-del multi-fr 1001 * algo). */ 1002 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 1003 uint32_t sctps_sendecne;/* total output ECNE chunks */ 1004 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 1005 uint32_t sctps_senderrors; /* ip_output error counter */ 1006 uint32_t sctps_sendnocrc; 1007 uint32_t sctps_sendswcrc; 1008 uint32_t sctps_sendhwcrc; 1009 /* PCKDROPREP statistics: */ 1010 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 1011 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 1012 uint32_t sctps_pdrpmbda;/* P-drops with data */ 1013 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 1014 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 1015 * only */ 1016 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1017 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1018 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 1019 * said break */ 1020 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1021 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1022 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1023 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1024 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 1025 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 1026 /* timeouts */ 1027 uint32_t sctps_timoiterator; /* Number of iterator timers that 1028 * fired */ 1029 uint32_t sctps_timodata;/* Number of T3 data time outs */ 1030 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 1031 * that fired */ 1032 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 1033 uint32_t sctps_timosack;/* Number of sack timers that fired */ 1034 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 1035 * fired */ 1036 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 1037 * fired */ 1038 uint32_t sctps_timocookie; /* Number of times a cookie timeout 1039 * fired */ 1040 uint32_t sctps_timosecret; /* Number of times an endpoint changed 1041 * its cookie secret */ 1042 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1043 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 1044 * fired */ 1045 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 1046 * timers that fired */ 1047 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 1048 * fired */ 1049 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 1050 * fired */ 1051 uint32_t sctps_timoasconf; /* Number of times an asconf timer 1052 * fired */ 1053 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 1054 * timer fired */ 1055 uint32_t sctps_timoautoclose; /* Number of times auto close timer 1056 * fired */ 1057 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1058 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1059 /* former early FR counters */ 1060 uint32_t sctps_spare[11]; 1061 /* others */ 1062 uint32_t sctps_hdrops; /* packet shorter than header */ 1063 uint32_t sctps_badsum; /* checksum error */ 1064 uint32_t sctps_noport; /* no endpoint for port */ 1065 uint32_t sctps_badvtag; /* bad v-tag */ 1066 uint32_t sctps_badsid; /* bad SID */ 1067 uint32_t sctps_nomem; /* no memory */ 1068 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 1069 * RTT window */ 1070 uint32_t sctps_markedretrans; 1071 uint32_t sctps_naglesent; /* nagle allowed sending */ 1072 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1073 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1074 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1075 * interface ring buffer OR we had a 1076 * send error and are queuing one 1077 * send. */ 1078 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1079 uint32_t sctps_lowlevelerr; /* total times an output error causes 1080 * us to clamp down on next user send. */ 1081 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 1082 * caused from a user send from a user 1083 * invoked send not a sack response */ 1084 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 1085 * chunk limit reached */ 1086 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 1087 * limit reached */ 1088 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 1089 * cwnd */ 1090 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1091 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1092 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 1093 * of user data on primary */ 1094 uint32_t sctps_cmt_randry; /* Same for above */ 1095 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1096 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1097 uint32_t sctps_sends_with_flags; /* number of sends with 1098 * sinfo_flags !=0 */ 1099 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1100 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1101 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 1102 * flag set */ 1103 uint32_t sctps_protocol_drain_calls; /* number of times protocol 1104 * drain called */ 1105 uint32_t sctps_protocol_drains_done; /* number of times we did a 1106 * protocol drain */ 1107 uint32_t sctps_read_peeks; /* Number of times recv was called 1108 * with peek */ 1109 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1110 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1111 uint32_t sctps_left_abandon; /* Number of unread messages abandoned 1112 * by close */ 1113 uint32_t sctps_send_burst_avoid; /* Unused */ 1114 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 1115 * max burst inflight to net */ 1116 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 1117 * fwd-tsn's */ 1118 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or 1119 * updated an ECN chunk on send queue */ 1120 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's 1121 * from here when adding new */ 1122}; 1123 1124#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1125#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1126#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1127#define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1128#define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1129#else 1130#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1131#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1132#endif 1133/* The following macros are for handling MIB values, */ 1134#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1135#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1136#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1137#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1138#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1139#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1140 1141union sctp_sockstore { 1142 struct sockaddr_in sin; 1143 struct sockaddr_in6 sin6; 1144 struct sockaddr sa; 1145}; 1146 1147 1148/***********************************/ 1149/* And something for us old timers */ 1150/***********************************/ 1151 1152#ifndef ntohll 1153#include <sys/endian.h> 1154#define ntohll(x) be64toh(x) 1155#endif 1156 1157#ifndef htonll 1158#include <sys/endian.h> 1159#define htonll(x) htobe64(x) 1160#endif 1161/***********************************/ 1162 1163 1164struct xsctp_inpcb { 1165 uint32_t last; 1166 uint32_t flags; 1167 uint64_t features; 1168 uint32_t total_sends; 1169 uint32_t total_recvs; 1170 uint32_t total_nospaces; 1171 uint32_t fragmentation_point; 1172 uint16_t local_port; 1173 uint16_t qlen; 1174 uint16_t maxqlen; 1175 void *socket; 1176#if defined(__LP64__) 1177 uint32_t extra_padding[29]; /* future */ 1178#else 1179 uint32_t extra_padding[30]; /* future */ 1180#endif 1181}; 1182 1183struct xsctp_tcb { 1184 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1185 uint32_t last; 1186 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1187 uint32_t state; /* sctpAssocEntry 8 */ 1188 uint32_t in_streams; /* sctpAssocEntry 9 */ 1189 uint32_t out_streams; /* sctpAssocEntry 10 */ 1190 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1191 uint32_t primary_process; /* sctpAssocEntry 12 */ 1192 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1193 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1194 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1195 uint32_t total_sends; 1196 uint32_t total_recvs; 1197 uint32_t local_tag; 1198 uint32_t remote_tag; 1199 uint32_t initial_tsn; 1200 uint32_t highest_tsn; 1201 uint32_t cumulative_tsn; 1202 uint32_t cumulative_tsn_ack; 1203 uint32_t mtu; 1204 uint32_t refcnt; 1205 uint16_t local_port; /* sctpAssocEntry 3 */ 1206 uint16_t remote_port; /* sctpAssocEntry 4 */ 1207 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1208 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1209 uint32_t peers_rwnd; 1210 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1211 uint32_t extra_padding[32]; /* future */ 1212}; 1213 1214struct xsctp_laddr { 1215 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1216 uint32_t last; 1217 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1218 uint32_t extra_padding[32]; /* future */ 1219}; 1220 1221struct xsctp_raddr { 1222 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1223 uint32_t last; 1224 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1225 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1226 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1227 uint32_t error_counter; /* */ 1228 uint32_t cwnd; /* */ 1229 uint32_t flight_size; /* */ 1230 uint32_t mtu; /* */ 1231 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1232 uint8_t confirmed; /* */ 1233 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1234 uint8_t potentially_failed; 1235 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1236 uint32_t rtt; 1237 uint32_t heartbeat_interval; 1238 uint32_t ssthresh; 1239 uint32_t extra_padding[30]; /* future */ 1240}; 1241 1242#define SCTP_MAX_LOGGING_SIZE 30000 1243#define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1244 1245struct sctp_log_entry { 1246 uint64_t timestamp; 1247 uint32_t subsys; 1248 uint32_t padding; 1249 uint32_t params[SCTP_TRACE_PARAMS]; 1250}; 1251 1252struct sctp_log { 1253 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1254 uint32_t index; 1255 uint32_t padding; 1256}; 1257 1258/* 1259 * Kernel defined for sctp_send 1260 */ 1261#if defined(_KERNEL) || defined(__Userspace__) 1262int 1263sctp_lower_sosend(struct socket *so, 1264 struct sockaddr *addr, 1265 struct uio *uio, 1266 struct mbuf *i_pak, 1267 struct mbuf *control, 1268 int flags, 1269 struct sctp_sndrcvinfo *srcv 1270 ,struct thread *p 1271); 1272 1273int 1274sctp_sorecvmsg(struct socket *so, 1275 struct uio *uio, 1276 struct mbuf **mp, 1277 struct sockaddr *from, 1278 int fromlen, 1279 int *msg_flags, 1280 struct sctp_sndrcvinfo *sinfo, 1281 int filling_sinfo); 1282 1283#endif 1284 1285/* 1286 * API system calls 1287 */ 1288#if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1289 1290__BEGIN_DECLS 1291int sctp_peeloff(int, sctp_assoc_t); 1292int sctp_bindx(int, struct sockaddr *, int, int); 1293int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *); 1294int sctp_getaddrlen(sa_family_t); 1295int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **); 1296void sctp_freepaddrs(struct sockaddr *); 1297int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **); 1298void sctp_freeladdrs(struct sockaddr *); 1299int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *); 1300 1301/* deprecated */ 1302ssize_t 1303sctp_sendmsg(int, const void *, size_t, const struct sockaddr *, 1304 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1305 1306/* deprecated */ 1307ssize_t 1308sctp_send(int, const void *, size_t, 1309 const struct sctp_sndrcvinfo *, int); 1310 1311/* deprecated */ 1312ssize_t 1313sctp_sendx(int, const void *, size_t, struct sockaddr *, 1314 int, struct sctp_sndrcvinfo *, int); 1315 1316/* deprecated */ 1317ssize_t 1318sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *, 1319 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1320 1321sctp_assoc_t sctp_getassocid(int, struct sockaddr *); 1322 1323/* deprecated */ 1324ssize_t 1325sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *, 1326 struct sctp_sndrcvinfo *, int *); 1327 1328ssize_t 1329sctp_sendv(int, const struct iovec *, int, struct sockaddr *, 1330 int, void *, socklen_t, unsigned int, int); 1331 1332ssize_t 1333sctp_recvv(int, const struct iovec *, int, struct sockaddr *, 1334 socklen_t *, void *, socklen_t *, unsigned int *, int *); 1335 1336__END_DECLS 1337 1338#endif /* !_KERNEL */ 1339#endif /* !__sctp_uio_h__ */ 1340