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("$FreeBSD$"); 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 48 typedef 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 54 struct 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 */ 64 struct 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 */ 93 struct 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 76 116 117 struct 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 }; 131 132 struct 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 }; 151 152 struct 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 }; 159 160 struct sctp_prinfo { 161 uint16_t pr_policy; 162 uint32_t pr_value; 163 }; 164 165 struct sctp_default_prinfo { 166 uint16_t pr_policy; 167 uint32_t pr_value; 168 sctp_assoc_t pr_assoc_id; 169 }; 170 171 struct sctp_authinfo { 172 uint16_t auth_keynumber; 173 }; 174 175 struct 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 }; 185 186 struct 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 199 200 struct 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 4 215 216 struct 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 226 227 struct 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 */ 266 struct 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 }; 276 277 struct 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 */ 290 struct 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 uint8_t sac_info[]; 300 }; 301 302 /* sac_state values */ 303 #define SCTP_COMM_UP 0x0001 304 #define SCTP_COMM_LOST 0x0002 305 #define SCTP_RESTART 0x0003 306 #define SCTP_SHUTDOWN_COMP 0x0004 307 #define SCTP_CANT_STR_ASSOC 0x0005 308 309 /* sac_info values */ 310 #define SCTP_ASSOC_SUPPORTS_PR 0x01 311 #define SCTP_ASSOC_SUPPORTS_AUTH 0x02 312 #define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 313 #define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 314 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 315 #define SCTP_ASSOC_SUPPORTS_MAX 0x05 316 /* 317 * Address event 318 */ 319 struct sctp_paddr_change { 320 uint16_t spc_type; 321 uint16_t spc_flags; 322 uint32_t spc_length; 323 struct sockaddr_storage spc_aaddr; 324 uint32_t spc_state; 325 uint32_t spc_error; 326 sctp_assoc_t spc_assoc_id; 327 uint8_t spc_padding[4]; 328 }; 329 330 /* paddr state values */ 331 #define SCTP_ADDR_AVAILABLE 0x0001 332 #define SCTP_ADDR_UNREACHABLE 0x0002 333 #define SCTP_ADDR_REMOVED 0x0003 334 #define SCTP_ADDR_ADDED 0x0004 335 #define SCTP_ADDR_MADE_PRIM 0x0005 336 #define SCTP_ADDR_CONFIRMED 0x0006 337 338 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 339 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor 340 * SCTP_ADDR_UNCONFIRMED */ 341 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 342 343 /* remote error events */ 344 struct sctp_remote_error { 345 uint16_t sre_type; 346 uint16_t sre_flags; 347 uint32_t sre_length; 348 uint16_t sre_error; 349 sctp_assoc_t sre_assoc_id; 350 uint8_t sre_data[4]; 351 }; 352 353 /* data send failure event (deprecated) */ 354 struct sctp_send_failed { 355 uint16_t ssf_type; 356 uint16_t ssf_flags; 357 uint32_t ssf_length; 358 uint32_t ssf_error; 359 struct sctp_sndrcvinfo ssf_info; 360 sctp_assoc_t ssf_assoc_id; 361 uint8_t ssf_data[]; 362 }; 363 364 /* data send failure event (not deprecated) */ 365 struct sctp_send_failed_event { 366 uint16_t ssfe_type; 367 uint16_t ssfe_flags; 368 uint32_t ssfe_length; 369 uint32_t ssfe_error; 370 struct sctp_sndinfo ssfe_info; 371 sctp_assoc_t ssfe_assoc_id; 372 uint8_t ssfe_data[]; 373 }; 374 375 /* flag that indicates state of data */ 376 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 377 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 378 379 /* shutdown event */ 380 struct sctp_shutdown_event { 381 uint16_t sse_type; 382 uint16_t sse_flags; 383 uint32_t sse_length; 384 sctp_assoc_t sse_assoc_id; 385 }; 386 387 /* Adaptation layer indication stuff */ 388 struct sctp_adaptation_event { 389 uint16_t sai_type; 390 uint16_t sai_flags; 391 uint32_t sai_length; 392 uint32_t sai_adaptation_ind; 393 sctp_assoc_t sai_assoc_id; 394 }; 395 396 struct sctp_setadaptation { 397 uint32_t ssb_adaptation_ind; 398 }; 399 400 /* compatible old spelling */ 401 struct sctp_adaption_event { 402 uint16_t sai_type; 403 uint16_t sai_flags; 404 uint32_t sai_length; 405 uint32_t sai_adaption_ind; 406 sctp_assoc_t sai_assoc_id; 407 }; 408 409 struct sctp_setadaption { 410 uint32_t ssb_adaption_ind; 411 }; 412 413 414 /* 415 * Partial Delivery API event 416 */ 417 struct sctp_pdapi_event { 418 uint16_t pdapi_type; 419 uint16_t pdapi_flags; 420 uint32_t pdapi_length; 421 uint32_t pdapi_indication; 422 uint16_t pdapi_stream; 423 uint16_t pdapi_seq; 424 sctp_assoc_t pdapi_assoc_id; 425 }; 426 427 /* indication values */ 428 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 429 430 431 /* 432 * authentication key event 433 */ 434 struct sctp_authkey_event { 435 uint16_t auth_type; 436 uint16_t auth_flags; 437 uint32_t auth_length; 438 uint16_t auth_keynumber; 439 uint16_t auth_altkeynumber; 440 uint32_t auth_indication; 441 sctp_assoc_t auth_assoc_id; 442 }; 443 444 /* indication values */ 445 #define SCTP_AUTH_NEW_KEY 0x0001 446 #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 447 #define SCTP_AUTH_NO_AUTH 0x0002 448 #define SCTP_AUTH_FREE_KEY 0x0003 449 450 451 struct sctp_sender_dry_event { 452 uint16_t sender_dry_type; 453 uint16_t sender_dry_flags; 454 uint32_t sender_dry_length; 455 sctp_assoc_t sender_dry_assoc_id; 456 }; 457 458 459 /* 460 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 461 */ 462 struct sctp_stream_reset_event { 463 uint16_t strreset_type; 464 uint16_t strreset_flags; 465 uint32_t strreset_length; 466 sctp_assoc_t strreset_assoc_id; 467 uint16_t strreset_stream_list[]; 468 }; 469 470 /* flags in stream_reset_event (strreset_flags) */ 471 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 472 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 473 #define SCTP_STREAM_RESET_DENIED 0x0004 474 #define SCTP_STREAM_RESET_FAILED 0x0008 475 476 /* 477 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 478 */ 479 struct sctp_assoc_reset_event { 480 uint16_t assocreset_type; 481 uint16_t assocreset_flags; 482 uint32_t assocreset_length; 483 sctp_assoc_t assocreset_assoc_id; 484 uint32_t assocreset_local_tsn; 485 uint32_t assocreset_remote_tsn; 486 }; 487 488 #define SCTP_ASSOC_RESET_DENIED 0x0004 489 #define SCTP_ASSOC_RESET_FAILED 0x0008 490 491 /* 492 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 493 */ 494 struct sctp_stream_change_event { 495 uint16_t strchange_type; 496 uint16_t strchange_flags; 497 uint32_t strchange_length; 498 sctp_assoc_t strchange_assoc_id; 499 uint16_t strchange_instrms; 500 uint16_t strchange_outstrms; 501 }; 502 503 #define SCTP_STREAM_CHANGE_DENIED 0x0004 504 #define SCTP_STREAM_CHANGE_FAILED 0x0008 505 506 507 /* SCTP notification event */ 508 struct sctp_tlv { 509 uint16_t sn_type; 510 uint16_t sn_flags; 511 uint32_t sn_length; 512 }; 513 514 union sctp_notification { 515 struct sctp_tlv sn_header; 516 struct sctp_assoc_change sn_assoc_change; 517 struct sctp_paddr_change sn_paddr_change; 518 struct sctp_remote_error sn_remote_error; 519 struct sctp_send_failed sn_send_failed; 520 struct sctp_shutdown_event sn_shutdown_event; 521 struct sctp_adaptation_event sn_adaptation_event; 522 /* compatibility same as above */ 523 struct sctp_adaption_event sn_adaption_event; 524 struct sctp_pdapi_event sn_pdapi_event; 525 struct sctp_authkey_event sn_auth_event; 526 struct sctp_sender_dry_event sn_sender_dry_event; 527 struct sctp_stream_reset_event sn_strreset_event; 528 struct sctp_assoc_reset_event sn_assocreset_event; 529 struct sctp_stream_change_event sn_strchange_event; 530 531 }; 532 533 /* notification types */ 534 #define SCTP_ASSOC_CHANGE 0x0001 535 #define SCTP_PEER_ADDR_CHANGE 0x0002 536 #define SCTP_REMOTE_ERROR 0x0003 537 #define SCTP_SEND_FAILED 0x0004 538 #define SCTP_SHUTDOWN_EVENT 0x0005 539 #define SCTP_ADAPTATION_INDICATION 0x0006 540 /* same as above */ 541 #define SCTP_ADAPTION_INDICATION 0x0006 542 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 543 #define SCTP_AUTHENTICATION_EVENT 0x0008 544 #define SCTP_STREAM_RESET_EVENT 0x0009 545 #define SCTP_SENDER_DRY_EVENT 0x000a 546 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */ 547 #define SCTP_ASSOC_RESET_EVENT 0x000c 548 #define SCTP_STREAM_CHANGE_EVENT 0x000d 549 #define SCTP_SEND_FAILED_EVENT 0x000e 550 /* 551 * socket option structs 552 */ 553 554 struct sctp_paddrparams { 555 struct sockaddr_storage spp_address; 556 sctp_assoc_t spp_assoc_id; 557 uint32_t spp_hbinterval; 558 uint32_t spp_pathmtu; 559 uint32_t spp_flags; 560 uint32_t spp_ipv6_flowlabel; 561 uint16_t spp_pathmaxrxt; 562 uint8_t spp_dscp; 563 }; 564 565 #define spp_ipv4_tos spp_dscp 566 567 #define SPP_HB_ENABLE 0x00000001 568 #define SPP_HB_DISABLE 0x00000002 569 #define SPP_HB_DEMAND 0x00000004 570 #define SPP_PMTUD_ENABLE 0x00000008 571 #define SPP_PMTUD_DISABLE 0x00000010 572 #define SPP_HB_TIME_IS_ZERO 0x00000080 573 #define SPP_IPV6_FLOWLABEL 0x00000100 574 #define SPP_DSCP 0x00000200 575 #define SPP_IPV4_TOS SPP_DSCP 576 577 struct sctp_paddrthlds { 578 struct sockaddr_storage spt_address; 579 sctp_assoc_t spt_assoc_id; 580 uint16_t spt_pathmaxrxt; 581 uint16_t spt_pathpfthld; 582 }; 583 584 struct sctp_paddrinfo { 585 struct sockaddr_storage spinfo_address; 586 sctp_assoc_t spinfo_assoc_id; 587 int32_t spinfo_state; 588 uint32_t spinfo_cwnd; 589 uint32_t spinfo_srtt; 590 uint32_t spinfo_rto; 591 uint32_t spinfo_mtu; 592 }; 593 594 struct sctp_rtoinfo { 595 sctp_assoc_t srto_assoc_id; 596 uint32_t srto_initial; 597 uint32_t srto_max; 598 uint32_t srto_min; 599 }; 600 601 struct sctp_assocparams { 602 sctp_assoc_t sasoc_assoc_id; 603 uint32_t sasoc_peer_rwnd; 604 uint32_t sasoc_local_rwnd; 605 uint32_t sasoc_cookie_life; 606 uint16_t sasoc_asocmaxrxt; 607 uint16_t sasoc_number_peer_destinations; 608 }; 609 610 struct sctp_setprim { 611 struct sockaddr_storage ssp_addr; 612 sctp_assoc_t ssp_assoc_id; 613 uint8_t ssp_padding[4]; 614 }; 615 616 struct sctp_setpeerprim { 617 struct sockaddr_storage sspp_addr; 618 sctp_assoc_t sspp_assoc_id; 619 uint8_t sspp_padding[4]; 620 }; 621 622 struct sctp_getaddresses { 623 sctp_assoc_t sget_assoc_id; 624 /* addr is filled in for N * sockaddr_storage */ 625 struct sockaddr addr[1]; 626 }; 627 628 struct sctp_status { 629 sctp_assoc_t sstat_assoc_id; 630 int32_t sstat_state; 631 uint32_t sstat_rwnd; 632 uint16_t sstat_unackdata; 633 uint16_t sstat_penddata; 634 uint16_t sstat_instrms; 635 uint16_t sstat_outstrms; 636 uint32_t sstat_fragmentation_point; 637 struct sctp_paddrinfo sstat_primary; 638 }; 639 640 /* 641 * AUTHENTICATION support 642 */ 643 /* SCTP_AUTH_CHUNK */ 644 struct sctp_authchunk { 645 uint8_t sauth_chunk; 646 }; 647 648 /* SCTP_AUTH_KEY */ 649 struct sctp_authkey { 650 sctp_assoc_t sca_assoc_id; 651 uint16_t sca_keynumber; 652 uint16_t sca_keylength; 653 uint8_t sca_key[]; 654 }; 655 656 /* SCTP_HMAC_IDENT */ 657 struct sctp_hmacalgo { 658 uint32_t shmac_number_of_idents; 659 uint16_t shmac_idents[]; 660 }; 661 662 /* AUTH hmac_id */ 663 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 664 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 665 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 666 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004 667 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005 668 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006 669 670 671 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 672 struct 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 */ 678 struct sctp_authchunks { 679 sctp_assoc_t gauth_assoc_id; 680 uint32_t gauth_number_of_chunks; 681 uint8_t gauth_chunks[]; 682 }; 683 684 struct sctp_assoc_value { 685 sctp_assoc_t assoc_id; 686 uint32_t assoc_value; 687 }; 688 689 struct sctp_cc_option { 690 int option; 691 struct sctp_assoc_value aid_value; 692 }; 693 694 struct sctp_stream_value { 695 sctp_assoc_t assoc_id; 696 uint16_t stream_id; 697 uint16_t stream_value; 698 }; 699 700 struct sctp_assoc_ids { 701 uint32_t gaids_number_of_ids; 702 sctp_assoc_t gaids_assoc_id[]; 703 }; 704 705 struct sctp_sack_info { 706 sctp_assoc_t sack_assoc_id; 707 uint32_t sack_delay; 708 uint32_t sack_freq; 709 }; 710 711 struct 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 }; 721 722 struct sctp_udpencaps { 723 struct sockaddr_storage sue_address; 724 sctp_assoc_t sue_assoc_id; 725 uint16_t sue_port; 726 }; 727 728 struct sctp_cwnd_args { 729 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 730 uint32_t cwnd_new_value;/* cwnd in k */ 731 uint32_t pseudo_cumack; 732 uint16_t inflight; /* flightsize in k */ 733 uint16_t cwnd_augment; /* increment to it */ 734 uint8_t meets_pseudo_cumack; 735 uint8_t need_new_pseudo_cumack; 736 uint8_t cnt_in_send; 737 uint8_t cnt_in_str; 738 }; 739 740 struct sctp_blk_args { 741 uint32_t onsb; /* in 1k bytes */ 742 uint32_t sndlen; /* len of send being attempted */ 743 uint32_t peer_rwnd; /* rwnd of peer */ 744 uint16_t send_sent_qcnt;/* chnk cnt */ 745 uint16_t stream_qcnt; /* chnk cnt */ 746 uint16_t chunks_on_oque;/* chunks out */ 747 uint16_t flight_size; /* flight size in k */ 748 }; 749 750 /* 751 * Max we can reset in one setting, note this is dictated not by the define 752 * but the size of a mbuf cluster so don't change this define and think you 753 * can specify more. You must do multiple resets if you want to reset more 754 * than SCTP_MAX_EXPLICIT_STR_RESET. 755 */ 756 #define SCTP_MAX_EXPLICT_STR_RESET 1000 757 758 struct sctp_reset_streams { 759 sctp_assoc_t srs_assoc_id; 760 uint16_t srs_flags; 761 uint16_t srs_number_streams; /* 0 == ALL */ 762 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */ 763 }; 764 765 struct sctp_add_streams { 766 sctp_assoc_t sas_assoc_id; 767 uint16_t sas_instrms; 768 uint16_t sas_outstrms; 769 }; 770 771 struct sctp_get_nonce_values { 772 sctp_assoc_t gn_assoc_id; 773 uint32_t gn_peers_tag; 774 uint32_t gn_local_tag; 775 }; 776 777 /* Debugging logs */ 778 struct sctp_str_log { 779 void *stcb; /* FIXME: LP64 issue */ 780 uint32_t n_tsn; 781 uint32_t e_tsn; 782 uint16_t n_sseq; 783 uint16_t e_sseq; 784 uint16_t strm; 785 }; 786 787 struct sctp_sb_log { 788 void *stcb; /* FIXME: LP64 issue */ 789 uint32_t so_sbcc; 790 uint32_t stcb_sbcc; 791 uint32_t incr; 792 }; 793 794 struct sctp_fr_log { 795 uint32_t largest_tsn; 796 uint32_t largest_new_tsn; 797 uint32_t tsn; 798 }; 799 800 struct sctp_fr_map { 801 uint32_t base; 802 uint32_t cum; 803 uint32_t high; 804 }; 805 806 struct sctp_rwnd_log { 807 uint32_t rwnd; 808 uint32_t send_size; 809 uint32_t overhead; 810 uint32_t new_rwnd; 811 }; 812 813 struct sctp_mbcnt_log { 814 uint32_t total_queue_size; 815 uint32_t size_change; 816 uint32_t total_queue_mb_size; 817 uint32_t mbcnt_change; 818 }; 819 820 struct sctp_sack_log { 821 uint32_t cumack; 822 uint32_t oldcumack; 823 uint32_t tsn; 824 uint16_t numGaps; 825 uint16_t numDups; 826 }; 827 828 struct sctp_lock_log { 829 void *sock; /* FIXME: LP64 issue */ 830 void *inp; /* FIXME: LP64 issue */ 831 uint8_t tcb_lock; 832 uint8_t inp_lock; 833 uint8_t info_lock; 834 uint8_t sock_lock; 835 uint8_t sockrcvbuf_lock; 836 uint8_t socksndbuf_lock; 837 uint8_t create_lock; 838 uint8_t resv; 839 }; 840 841 struct sctp_rto_log { 842 void *net; /* FIXME: LP64 issue */ 843 uint32_t rtt; 844 }; 845 846 struct sctp_nagle_log { 847 void *stcb; /* FIXME: LP64 issue */ 848 uint32_t total_flight; 849 uint32_t total_in_queue; 850 uint16_t count_in_queue; 851 uint16_t count_in_flight; 852 }; 853 854 struct sctp_sbwake_log { 855 void *stcb; /* FIXME: LP64 issue */ 856 uint16_t send_q; 857 uint16_t sent_q; 858 uint16_t flight; 859 uint16_t wake_cnt; 860 uint8_t stream_qcnt; /* chnk cnt */ 861 uint8_t chunks_on_oque; /* chunks out */ 862 uint8_t sbflags; 863 uint8_t sctpflags; 864 }; 865 866 struct sctp_misc_info { 867 uint32_t log1; 868 uint32_t log2; 869 uint32_t log3; 870 uint32_t log4; 871 }; 872 873 struct sctp_log_closing { 874 void *inp; /* FIXME: LP64 issue */ 875 void *stcb; /* FIXME: LP64 issue */ 876 uint32_t sctp_flags; 877 uint16_t state; 878 int16_t loc; 879 }; 880 881 struct sctp_mbuf_log { 882 struct mbuf *mp; /* FIXME: LP64 issue */ 883 caddr_t ext; 884 caddr_t data; 885 uint16_t size; 886 uint8_t refcnt; 887 uint8_t mbuf_flags; 888 }; 889 890 struct sctp_cwnd_log { 891 uint64_t time_event; 892 uint8_t from; 893 uint8_t event_type; 894 uint8_t resv[2]; 895 union { 896 struct sctp_log_closing close; 897 struct sctp_blk_args blk; 898 struct sctp_cwnd_args cwnd; 899 struct sctp_str_log strlog; 900 struct sctp_fr_log fr; 901 struct sctp_fr_map map; 902 struct sctp_rwnd_log rwnd; 903 struct sctp_mbcnt_log mbcnt; 904 struct sctp_sack_log sack; 905 struct sctp_lock_log lock; 906 struct sctp_rto_log rto; 907 struct sctp_sb_log sb; 908 struct sctp_nagle_log nagle; 909 struct sctp_sbwake_log wake; 910 struct sctp_mbuf_log mb; 911 struct sctp_misc_info misc; 912 } x; 913 }; 914 915 struct sctp_cwnd_log_req { 916 int32_t num_in_log; /* Number in log */ 917 int32_t num_ret; /* Number returned */ 918 int32_t start_at; /* start at this one */ 919 int32_t end_at; /* end at this one */ 920 struct sctp_cwnd_log log[]; 921 }; 922 923 struct sctp_timeval { 924 uint32_t tv_sec; 925 uint32_t tv_usec; 926 }; 927 928 struct sctpstat { 929 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 930 * (TimeStamp) */ 931 /* MIB according to RFC 3873 */ 932 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 933 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 934 uint32_t sctps_restartestab; 935 uint32_t sctps_collisionestab; 936 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 937 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 938 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 939 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 940 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 941 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 942 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 943 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 944 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 945 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 946 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 947 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 948 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 949 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 950 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 951 952 /* input statistics: */ 953 uint32_t sctps_recvpackets; /* total input packets */ 954 uint32_t sctps_recvdatagrams; /* total input datagrams */ 955 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 956 uint32_t sctps_recvsacks; /* total input SACK chunks */ 957 uint32_t sctps_recvdata;/* total input DATA chunks */ 958 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 959 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 960 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 961 uint32_t sctps_recvecne;/* total input ECNE chunks */ 962 uint32_t sctps_recvauth;/* total input AUTH chunks */ 963 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 964 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 965 * received */ 966 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 967 * received */ 968 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 969 uint32_t sctps_recvexpress; /* total fast path receives all one 970 * chunk */ 971 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 972 uint32_t sctps_recvnocrc; 973 uint32_t sctps_recvswcrc; 974 uint32_t sctps_recvhwcrc; 975 976 /* output statistics: */ 977 uint32_t sctps_sendpackets; /* total output packets */ 978 uint32_t sctps_sendsacks; /* total output SACKs */ 979 uint32_t sctps_senddata;/* total output DATA chunks */ 980 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 981 * chunks */ 982 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 983 * DATA chunks */ 984 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 985 * more than once to same 986 * chunk (u-del multi-fr 987 * algo). */ 988 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 989 uint32_t sctps_sendecne;/* total output ECNE chunks */ 990 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 991 uint32_t sctps_senderrors; /* ip_output error counter */ 992 uint32_t sctps_sendnocrc; 993 uint32_t sctps_sendswcrc; 994 uint32_t sctps_sendhwcrc; 995 /* PCKDROPREP statistics: */ 996 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 997 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 998 uint32_t sctps_pdrpmbda;/* P-drops with data */ 999 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 1000 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 1001 * only */ 1002 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1003 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1004 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 1005 * said break */ 1006 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1007 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1008 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1009 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1010 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 1011 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 1012 /* timeouts */ 1013 uint32_t sctps_timoiterator; /* Number of iterator timers that 1014 * fired */ 1015 uint32_t sctps_timodata;/* Number of T3 data time outs */ 1016 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 1017 * that fired */ 1018 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 1019 uint32_t sctps_timosack;/* Number of sack timers that fired */ 1020 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 1021 * fired */ 1022 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 1023 * fired */ 1024 uint32_t sctps_timocookie; /* Number of times a cookie timeout 1025 * fired */ 1026 uint32_t sctps_timosecret; /* Number of times an endpoint changed 1027 * its cookie secret */ 1028 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1029 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 1030 * fired */ 1031 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 1032 * timers that fired */ 1033 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 1034 * fired */ 1035 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 1036 * fired */ 1037 uint32_t sctps_timoasconf; /* Number of times an asconf timer 1038 * fired */ 1039 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 1040 * timer fired */ 1041 uint32_t sctps_timoautoclose; /* Number of times auto close timer 1042 * fired */ 1043 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1044 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1045 /* former early FR counters */ 1046 uint32_t sctps_spare[11]; 1047 /* others */ 1048 uint32_t sctps_hdrops; /* packet shorter than header */ 1049 uint32_t sctps_badsum; /* checksum error */ 1050 uint32_t sctps_noport; /* no endpoint for port */ 1051 uint32_t sctps_badvtag; /* bad v-tag */ 1052 uint32_t sctps_badsid; /* bad SID */ 1053 uint32_t sctps_nomem; /* no memory */ 1054 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 1055 * RTT window */ 1056 uint32_t sctps_markedretrans; 1057 uint32_t sctps_naglesent; /* nagle allowed sending */ 1058 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1059 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1060 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1061 * interface ring buffer OR we had a 1062 * send error and are queuing one 1063 * send. */ 1064 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1065 uint32_t sctps_lowlevelerr; /* total times an output error causes 1066 * us to clamp down on next user send. */ 1067 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 1068 * caused from a user send from a user 1069 * invoked send not a sack response */ 1070 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 1071 * chunk limit reached */ 1072 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 1073 * limit reached */ 1074 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 1075 * cwnd */ 1076 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1077 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1078 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 1079 * of user data on primary */ 1080 uint32_t sctps_cmt_randry; /* Same for above */ 1081 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1082 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1083 uint32_t sctps_sends_with_flags; /* number of sends with 1084 * sinfo_flags !=0 */ 1085 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1086 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1087 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 1088 * flag set */ 1089 uint32_t sctps_protocol_drain_calls; /* number of times protocol 1090 * drain called */ 1091 uint32_t sctps_protocol_drains_done; /* number of times we did a 1092 * protocol drain */ 1093 uint32_t sctps_read_peeks; /* Number of times recv was called 1094 * with peek */ 1095 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1096 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1097 uint32_t sctps_left_abandon; /* Number of unread messages abandoned 1098 * by close */ 1099 uint32_t sctps_send_burst_avoid; /* Unused */ 1100 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 1101 * max burst inflight to net */ 1102 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 1103 * fwd-tsn's */ 1104 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or 1105 * updated an ECN chunk on send queue */ 1106 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's 1107 * from here when adding new */ 1108 }; 1109 1110 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1111 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1112 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1113 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1114 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1115 #else 1116 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1117 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1118 #endif 1119 /* The following macros are for handling MIB values, */ 1120 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1121 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1122 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1123 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1124 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1125 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1126 1127 union sctp_sockstore { 1128 #if defined(INET) || !defined(_KERNEL) 1129 struct sockaddr_in sin; 1130 #endif 1131 #if defined(INET6) || !defined(_KERNEL) 1132 struct sockaddr_in6 sin6; 1133 #endif 1134 struct sockaddr sa; 1135 }; 1136 1137 1138 /***********************************/ 1139 /* And something for us old timers */ 1140 /***********************************/ 1141 1142 #ifndef ntohll 1143 #include <sys/endian.h> 1144 #define ntohll(x) be64toh(x) 1145 #endif 1146 1147 #ifndef htonll 1148 #include <sys/endian.h> 1149 #define htonll(x) htobe64(x) 1150 #endif 1151 /***********************************/ 1152 1153 1154 struct xsctp_inpcb { 1155 uint32_t last; 1156 uint32_t flags; 1157 uint32_t features; 1158 uint32_t total_sends; 1159 uint32_t total_recvs; 1160 uint32_t total_nospaces; 1161 uint32_t fragmentation_point; 1162 uint16_t local_port; 1163 uint16_t qlen; 1164 uint16_t maxqlen; 1165 uint32_t extra_padding[32]; /* future */ 1166 }; 1167 1168 struct xsctp_tcb { 1169 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1170 uint32_t last; 1171 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1172 uint32_t state; /* sctpAssocEntry 8 */ 1173 uint32_t in_streams; /* sctpAssocEntry 9 */ 1174 uint32_t out_streams; /* sctpAssocEntry 10 */ 1175 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1176 uint32_t primary_process; /* sctpAssocEntry 12 */ 1177 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1178 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1179 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1180 uint32_t total_sends; 1181 uint32_t total_recvs; 1182 uint32_t local_tag; 1183 uint32_t remote_tag; 1184 uint32_t initial_tsn; 1185 uint32_t highest_tsn; 1186 uint32_t cumulative_tsn; 1187 uint32_t cumulative_tsn_ack; 1188 uint32_t mtu; 1189 uint32_t refcnt; 1190 uint16_t local_port; /* sctpAssocEntry 3 */ 1191 uint16_t remote_port; /* sctpAssocEntry 4 */ 1192 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1193 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1194 uint32_t peers_rwnd; 1195 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1196 uint32_t extra_padding[32]; /* future */ 1197 }; 1198 1199 struct xsctp_laddr { 1200 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1201 uint32_t last; 1202 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1203 uint32_t extra_padding[32]; /* future */ 1204 }; 1205 1206 struct xsctp_raddr { 1207 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1208 uint32_t last; 1209 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1210 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1211 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1212 uint32_t error_counter; /* */ 1213 uint32_t cwnd; /* */ 1214 uint32_t flight_size; /* */ 1215 uint32_t mtu; /* */ 1216 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1217 uint8_t confirmed; /* */ 1218 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1219 uint8_t potentially_failed; 1220 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1221 uint32_t rtt; 1222 uint32_t heartbeat_interval; 1223 uint32_t extra_padding[31]; /* future */ 1224 }; 1225 1226 #define SCTP_MAX_LOGGING_SIZE 30000 1227 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1228 1229 struct sctp_log_entry { 1230 uint64_t timestamp; 1231 uint32_t subsys; 1232 uint32_t padding; 1233 uint32_t params[SCTP_TRACE_PARAMS]; 1234 }; 1235 1236 struct sctp_log { 1237 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1238 uint32_t index; 1239 uint32_t padding; 1240 }; 1241 1242 /* 1243 * Kernel defined for sctp_send 1244 */ 1245 #if defined(_KERNEL) || defined(__Userspace__) 1246 int 1247 sctp_lower_sosend(struct socket *so, 1248 struct sockaddr *addr, 1249 struct uio *uio, 1250 struct mbuf *i_pak, 1251 struct mbuf *control, 1252 int flags, 1253 struct sctp_sndrcvinfo *srcv 1254 ,struct thread *p 1255 ); 1256 1257 int 1258 sctp_sorecvmsg(struct socket *so, 1259 struct uio *uio, 1260 struct mbuf **mp, 1261 struct sockaddr *from, 1262 int fromlen, 1263 int *msg_flags, 1264 struct sctp_sndrcvinfo *sinfo, 1265 int filling_sinfo); 1266 1267 #endif 1268 1269 /* 1270 * API system calls 1271 */ 1272 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1273 1274 __BEGIN_DECLS 1275 int sctp_peeloff __P((int, sctp_assoc_t)); 1276 int sctp_bindx __P((int, struct sockaddr *, int, int)); 1277 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1278 int sctp_getaddrlen __P((sa_family_t)); 1279 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1280 void sctp_freepaddrs __P((struct sockaddr *)); 1281 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1282 void sctp_freeladdrs __P((struct sockaddr *)); 1283 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1284 1285 /* deprecated */ 1286 ssize_t sctp_sendmsg 1287 __P((int, const void *, size_t, const struct sockaddr *, 1288 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1289 1290 /* deprecated */ 1291 ssize_t sctp_send __P((int, const void *, size_t, 1292 const struct sctp_sndrcvinfo *, int)); 1293 1294 /* deprecated */ 1295 ssize_t sctp_sendx __P((int, const void *, size_t, struct sockaddr *, 1296 int, struct sctp_sndrcvinfo *, int)); 1297 1298 /* deprecated */ 1299 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, struct sockaddr *, 1300 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1301 1302 sctp_assoc_t sctp_getassocid __P((int, struct sockaddr *)); 1303 1304 /* deprecated */ 1305 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, socklen_t *, 1306 struct sctp_sndrcvinfo *, int *)); 1307 1308 ssize_t sctp_sendv __P((int, const struct iovec *, int, struct sockaddr *, 1309 int, void *, socklen_t, unsigned int, int)); 1310 1311 ssize_t sctp_recvv __P((int, const struct iovec *, int, struct sockaddr *, 1312 socklen_t *, void *, socklen_t *, unsigned int *, int *)); 1313 1314 __END_DECLS 1315 1316 #endif /* !_KERNEL */ 1317 #endif /* !__sctp_uio_h__ */ 1318