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_keyid; 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 }; 300 301 /* sac_state values */ 302 #define SCTP_COMM_UP 0x0001 303 #define SCTP_COMM_LOST 0x0002 304 #define SCTP_RESTART 0x0003 305 #define SCTP_SHUTDOWN_COMP 0x0004 306 #define SCTP_CANT_STR_ASSOC 0x0005 307 308 309 /* 310 * Address event 311 */ 312 struct sctp_paddr_change { 313 uint16_t spc_type; 314 uint16_t spc_flags; 315 uint32_t spc_length; 316 struct sockaddr_storage spc_aaddr; 317 uint32_t spc_state; 318 uint32_t spc_error; 319 sctp_assoc_t spc_assoc_id; 320 uint8_t spc_padding[4]; 321 }; 322 323 /* paddr state values */ 324 #define SCTP_ADDR_AVAILABLE 0x0001 325 #define SCTP_ADDR_UNREACHABLE 0x0002 326 #define SCTP_ADDR_REMOVED 0x0003 327 #define SCTP_ADDR_ADDED 0x0004 328 #define SCTP_ADDR_MADE_PRIM 0x0005 329 #define SCTP_ADDR_CONFIRMED 0x0006 330 331 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 332 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor 333 * SCTP_ADDR_UNCONFIRMED */ 334 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 335 336 /* remote error events */ 337 struct sctp_remote_error { 338 uint16_t sre_type; 339 uint16_t sre_flags; 340 uint32_t sre_length; 341 uint16_t sre_error; 342 sctp_assoc_t sre_assoc_id; 343 uint8_t sre_data[4]; 344 }; 345 346 /* data send failure event */ 347 struct sctp_send_failed { 348 uint16_t ssf_type; 349 uint16_t ssf_flags; 350 uint32_t ssf_length; 351 uint32_t ssf_error; 352 struct sctp_sndrcvinfo ssf_info; 353 sctp_assoc_t ssf_assoc_id; 354 uint8_t ssf_data[]; 355 }; 356 357 /* flag that indicates state of data */ 358 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 359 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 360 361 /* shutdown event */ 362 struct sctp_shutdown_event { 363 uint16_t sse_type; 364 uint16_t sse_flags; 365 uint32_t sse_length; 366 sctp_assoc_t sse_assoc_id; 367 }; 368 369 /* Adaptation layer indication stuff */ 370 struct sctp_adaptation_event { 371 uint16_t sai_type; 372 uint16_t sai_flags; 373 uint32_t sai_length; 374 uint32_t sai_adaptation_ind; 375 sctp_assoc_t sai_assoc_id; 376 }; 377 378 struct sctp_setadaptation { 379 uint32_t ssb_adaptation_ind; 380 }; 381 382 /* compatible old spelling */ 383 struct sctp_adaption_event { 384 uint16_t sai_type; 385 uint16_t sai_flags; 386 uint32_t sai_length; 387 uint32_t sai_adaption_ind; 388 sctp_assoc_t sai_assoc_id; 389 }; 390 391 struct sctp_setadaption { 392 uint32_t ssb_adaption_ind; 393 }; 394 395 396 /* 397 * Partial Delivery API event 398 */ 399 struct sctp_pdapi_event { 400 uint16_t pdapi_type; 401 uint16_t pdapi_flags; 402 uint32_t pdapi_length; 403 uint32_t pdapi_indication; 404 uint16_t pdapi_stream; 405 uint16_t pdapi_seq; 406 sctp_assoc_t pdapi_assoc_id; 407 }; 408 409 /* indication values */ 410 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 411 412 413 /* 414 * authentication key event 415 */ 416 struct sctp_authkey_event { 417 uint16_t auth_type; 418 uint16_t auth_flags; 419 uint32_t auth_length; 420 uint16_t auth_keynumber; 421 uint16_t auth_altkeynumber; 422 uint32_t auth_indication; 423 sctp_assoc_t auth_assoc_id; 424 }; 425 426 /* indication values */ 427 #define SCTP_AUTH_NEWKEY 0x0001 428 #define SCTP_AUTH_NO_AUTH 0x0002 429 #define SCTP_AUTH_FREE_KEY 0x0003 430 431 432 struct sctp_sender_dry_event { 433 uint16_t sender_dry_type; 434 uint16_t sender_dry_flags; 435 uint32_t sender_dry_length; 436 sctp_assoc_t sender_dry_assoc_id; 437 }; 438 439 440 /* 441 * stream reset event 442 */ 443 struct sctp_stream_reset_event { 444 uint16_t strreset_type; 445 uint16_t strreset_flags; 446 uint32_t strreset_length; 447 sctp_assoc_t strreset_assoc_id; 448 uint16_t strreset_list[]; 449 }; 450 451 /* flags in strreset_flags field */ 452 #define SCTP_STRRESET_INBOUND_STR 0x0001 453 #define SCTP_STRRESET_OUTBOUND_STR 0x0002 454 #define SCTP_STRRESET_ALL_STREAMS 0x0004 455 #define SCTP_STRRESET_STREAM_LIST 0x0008 456 #define SCTP_STRRESET_FAILED 0x0010 457 #define SCTP_STRRESET_ADD_STREAM 0x0020 458 459 /* SCTP notification event */ 460 struct sctp_tlv { 461 uint16_t sn_type; 462 uint16_t sn_flags; 463 uint32_t sn_length; 464 }; 465 466 union sctp_notification { 467 struct sctp_tlv sn_header; 468 struct sctp_assoc_change sn_assoc_change; 469 struct sctp_paddr_change sn_paddr_change; 470 struct sctp_remote_error sn_remote_error; 471 struct sctp_send_failed sn_send_failed; 472 struct sctp_shutdown_event sn_shutdown_event; 473 struct sctp_adaptation_event sn_adaptation_event; 474 /* compatibility same as above */ 475 struct sctp_adaption_event sn_adaption_event; 476 struct sctp_pdapi_event sn_pdapi_event; 477 struct sctp_authkey_event sn_auth_event; 478 struct sctp_sender_dry_event sn_sender_dry_event; 479 struct sctp_stream_reset_event sn_strreset_event; 480 }; 481 482 /* notification types */ 483 #define SCTP_ASSOC_CHANGE 0x0001 484 #define SCTP_PEER_ADDR_CHANGE 0x0002 485 #define SCTP_REMOTE_ERROR 0x0003 486 #define SCTP_SEND_FAILED 0x0004 487 #define SCTP_SHUTDOWN_EVENT 0x0005 488 #define SCTP_ADAPTATION_INDICATION 0x0006 489 /* same as above */ 490 #define SCTP_ADAPTION_INDICATION 0x0006 491 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 492 #define SCTP_AUTHENTICATION_EVENT 0x0008 493 #define SCTP_STREAM_RESET_EVENT 0x0009 494 #define SCTP_SENDER_DRY_EVENT 0x000a 495 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */ 496 /* 497 * socket option structs 498 */ 499 500 struct sctp_paddrparams { 501 struct sockaddr_storage spp_address; 502 sctp_assoc_t spp_assoc_id; 503 uint32_t spp_hbinterval; 504 uint32_t spp_pathmtu; 505 uint32_t spp_flags; 506 uint32_t spp_ipv6_flowlabel; 507 uint16_t spp_pathmaxrxt; 508 uint8_t spp_dscp; 509 }; 510 511 #define spp_ipv4_tos spp_dscp 512 513 #define SPP_HB_ENABLE 0x00000001 514 #define SPP_HB_DISABLE 0x00000002 515 #define SPP_HB_DEMAND 0x00000004 516 #define SPP_PMTUD_ENABLE 0x00000008 517 #define SPP_PMTUD_DISABLE 0x00000010 518 #define SPP_HB_TIME_IS_ZERO 0x00000080 519 #define SPP_IPV6_FLOWLABEL 0x00000100 520 #define SPP_DSCP 0x00000200 521 #define SPP_IPV4_TOS SPP_DSCP 522 523 struct sctp_paddrthlds { 524 sctp_assoc_t spt_assoc_id; 525 struct sockaddr_storage spt_address; 526 uint16_t spt_pathmaxrxt; 527 uint16_t spt_pathpfthld; 528 }; 529 530 struct sctp_paddrinfo { 531 struct sockaddr_storage spinfo_address; 532 sctp_assoc_t spinfo_assoc_id; 533 int32_t spinfo_state; 534 uint32_t spinfo_cwnd; 535 uint32_t spinfo_srtt; 536 uint32_t spinfo_rto; 537 uint32_t spinfo_mtu; 538 }; 539 540 struct sctp_rtoinfo { 541 sctp_assoc_t srto_assoc_id; 542 uint32_t srto_initial; 543 uint32_t srto_max; 544 uint32_t srto_min; 545 }; 546 547 struct sctp_assocparams { 548 sctp_assoc_t sasoc_assoc_id; 549 uint32_t sasoc_peer_rwnd; 550 uint32_t sasoc_local_rwnd; 551 uint32_t sasoc_cookie_life; 552 uint16_t sasoc_asocmaxrxt; 553 uint16_t sasoc_number_peer_destinations; 554 }; 555 556 struct sctp_setprim { 557 struct sockaddr_storage ssp_addr; 558 sctp_assoc_t ssp_assoc_id; 559 uint8_t ssp_padding[4]; 560 }; 561 562 struct sctp_setpeerprim { 563 struct sockaddr_storage sspp_addr; 564 sctp_assoc_t sspp_assoc_id; 565 uint8_t sspp_padding[4]; 566 }; 567 568 struct sctp_getaddresses { 569 sctp_assoc_t sget_assoc_id; 570 /* addr is filled in for N * sockaddr_storage */ 571 struct sockaddr addr[1]; 572 }; 573 574 struct sctp_setstrm_timeout { 575 sctp_assoc_t ssto_assoc_id; 576 uint32_t ssto_timeout; 577 uint32_t ssto_streamid_start; 578 uint32_t ssto_streamid_end; 579 }; 580 581 struct sctp_status { 582 sctp_assoc_t sstat_assoc_id; 583 int32_t sstat_state; 584 uint32_t sstat_rwnd; 585 uint16_t sstat_unackdata; 586 uint16_t sstat_penddata; 587 uint16_t sstat_instrms; 588 uint16_t sstat_outstrms; 589 uint32_t sstat_fragmentation_point; 590 struct sctp_paddrinfo sstat_primary; 591 }; 592 593 /* 594 * AUTHENTICATION support 595 */ 596 /* SCTP_AUTH_CHUNK */ 597 struct sctp_authchunk { 598 uint8_t sauth_chunk; 599 }; 600 601 /* SCTP_AUTH_KEY */ 602 struct sctp_authkey { 603 sctp_assoc_t sca_assoc_id; 604 uint16_t sca_keynumber; 605 uint16_t sca_keylength; 606 uint8_t sca_key[]; 607 }; 608 609 /* SCTP_HMAC_IDENT */ 610 struct sctp_hmacalgo { 611 uint32_t shmac_number_of_idents; 612 uint16_t shmac_idents[]; 613 }; 614 615 /* AUTH hmac_id */ 616 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 617 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 618 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 619 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004 620 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005 621 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006 622 623 624 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 625 struct sctp_authkeyid { 626 sctp_assoc_t scact_assoc_id; 627 uint16_t scact_keynumber; 628 }; 629 630 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 631 struct sctp_authchunks { 632 sctp_assoc_t gauth_assoc_id; 633 uint8_t gauth_chunks[]; 634 }; 635 636 struct sctp_assoc_value { 637 sctp_assoc_t assoc_id; 638 uint32_t assoc_value; 639 }; 640 641 struct sctp_cc_option { 642 int option; 643 struct sctp_assoc_value aid_value; 644 }; 645 646 struct sctp_stream_value { 647 sctp_assoc_t assoc_id; 648 uint16_t stream_id; 649 uint16_t stream_value; 650 }; 651 652 struct sctp_assoc_ids { 653 uint32_t gaids_number_of_ids; 654 sctp_assoc_t gaids_assoc_id[]; 655 }; 656 657 struct sctp_sack_info { 658 sctp_assoc_t sack_assoc_id; 659 uint32_t sack_delay; 660 uint32_t sack_freq; 661 }; 662 663 struct sctp_timeouts { 664 sctp_assoc_t stimo_assoc_id; 665 uint32_t stimo_init; 666 uint32_t stimo_data; 667 uint32_t stimo_sack; 668 uint32_t stimo_shutdown; 669 uint32_t stimo_heartbeat; 670 uint32_t stimo_cookie; 671 uint32_t stimo_shutdownack; 672 }; 673 674 struct sctp_cwnd_args { 675 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 676 uint32_t cwnd_new_value;/* cwnd in k */ 677 uint32_t pseudo_cumack; 678 uint16_t inflight; /* flightsize in k */ 679 uint16_t cwnd_augment; /* increment to it */ 680 uint8_t meets_pseudo_cumack; 681 uint8_t need_new_pseudo_cumack; 682 uint8_t cnt_in_send; 683 uint8_t cnt_in_str; 684 }; 685 686 struct sctp_blk_args { 687 uint32_t onsb; /* in 1k bytes */ 688 uint32_t sndlen; /* len of send being attempted */ 689 uint32_t peer_rwnd; /* rwnd of peer */ 690 uint16_t send_sent_qcnt;/* chnk cnt */ 691 uint16_t stream_qcnt; /* chnk cnt */ 692 uint16_t chunks_on_oque;/* chunks out */ 693 uint16_t flight_size; /* flight size in k */ 694 }; 695 696 /* 697 * Max we can reset in one setting, note this is dictated not by the define 698 * but the size of a mbuf cluster so don't change this define and think you 699 * can specify more. You must do multiple resets if you want to reset more 700 * than SCTP_MAX_EXPLICIT_STR_RESET. 701 */ 702 #define SCTP_MAX_EXPLICT_STR_RESET 1000 703 704 #define SCTP_RESET_LOCAL_RECV 0x0001 705 #define SCTP_RESET_LOCAL_SEND 0x0002 706 #define SCTP_RESET_BOTH 0x0003 707 #define SCTP_RESET_TSN 0x0004 708 #define SCTP_RESET_ADD_STREAMS 0x0005 709 710 struct sctp_stream_reset { 711 sctp_assoc_t strrst_assoc_id; 712 uint16_t strrst_flags; 713 uint16_t strrst_num_streams; /* 0 == ALL */ 714 uint16_t strrst_list[]; /* list if strrst_num_streams is not 0 */ 715 }; 716 717 718 struct sctp_get_nonce_values { 719 sctp_assoc_t gn_assoc_id; 720 uint32_t gn_peers_tag; 721 uint32_t gn_local_tag; 722 }; 723 724 /* Debugging logs */ 725 struct sctp_str_log { 726 void *stcb; /* FIXME: LP64 issue */ 727 uint32_t n_tsn; 728 uint32_t e_tsn; 729 uint16_t n_sseq; 730 uint16_t e_sseq; 731 uint16_t strm; 732 }; 733 734 struct sctp_sb_log { 735 void *stcb; /* FIXME: LP64 issue */ 736 uint32_t so_sbcc; 737 uint32_t stcb_sbcc; 738 uint32_t incr; 739 }; 740 741 struct sctp_fr_log { 742 uint32_t largest_tsn; 743 uint32_t largest_new_tsn; 744 uint32_t tsn; 745 }; 746 747 struct sctp_fr_map { 748 uint32_t base; 749 uint32_t cum; 750 uint32_t high; 751 }; 752 753 struct sctp_rwnd_log { 754 uint32_t rwnd; 755 uint32_t send_size; 756 uint32_t overhead; 757 uint32_t new_rwnd; 758 }; 759 760 struct sctp_mbcnt_log { 761 uint32_t total_queue_size; 762 uint32_t size_change; 763 uint32_t total_queue_mb_size; 764 uint32_t mbcnt_change; 765 }; 766 767 struct sctp_sack_log { 768 uint32_t cumack; 769 uint32_t oldcumack; 770 uint32_t tsn; 771 uint16_t numGaps; 772 uint16_t numDups; 773 }; 774 775 struct sctp_lock_log { 776 void *sock; /* FIXME: LP64 issue */ 777 void *inp; /* FIXME: LP64 issue */ 778 uint8_t tcb_lock; 779 uint8_t inp_lock; 780 uint8_t info_lock; 781 uint8_t sock_lock; 782 uint8_t sockrcvbuf_lock; 783 uint8_t socksndbuf_lock; 784 uint8_t create_lock; 785 uint8_t resv; 786 }; 787 788 struct sctp_rto_log { 789 void *net; /* FIXME: LP64 issue */ 790 uint32_t rtt; 791 }; 792 793 struct sctp_nagle_log { 794 void *stcb; /* FIXME: LP64 issue */ 795 uint32_t total_flight; 796 uint32_t total_in_queue; 797 uint16_t count_in_queue; 798 uint16_t count_in_flight; 799 }; 800 801 struct sctp_sbwake_log { 802 void *stcb; /* FIXME: LP64 issue */ 803 uint16_t send_q; 804 uint16_t sent_q; 805 uint16_t flight; 806 uint16_t wake_cnt; 807 uint8_t stream_qcnt; /* chnk cnt */ 808 uint8_t chunks_on_oque; /* chunks out */ 809 uint8_t sbflags; 810 uint8_t sctpflags; 811 }; 812 813 struct sctp_misc_info { 814 uint32_t log1; 815 uint32_t log2; 816 uint32_t log3; 817 uint32_t log4; 818 }; 819 820 struct sctp_log_closing { 821 void *inp; /* FIXME: LP64 issue */ 822 void *stcb; /* FIXME: LP64 issue */ 823 uint32_t sctp_flags; 824 uint16_t state; 825 int16_t loc; 826 }; 827 828 struct sctp_mbuf_log { 829 struct mbuf *mp; /* FIXME: LP64 issue */ 830 caddr_t ext; 831 caddr_t data; 832 uint16_t size; 833 uint8_t refcnt; 834 uint8_t mbuf_flags; 835 }; 836 837 struct sctp_cwnd_log { 838 uint64_t time_event; 839 uint8_t from; 840 uint8_t event_type; 841 uint8_t resv[2]; 842 union { 843 struct sctp_log_closing close; 844 struct sctp_blk_args blk; 845 struct sctp_cwnd_args cwnd; 846 struct sctp_str_log strlog; 847 struct sctp_fr_log fr; 848 struct sctp_fr_map map; 849 struct sctp_rwnd_log rwnd; 850 struct sctp_mbcnt_log mbcnt; 851 struct sctp_sack_log sack; 852 struct sctp_lock_log lock; 853 struct sctp_rto_log rto; 854 struct sctp_sb_log sb; 855 struct sctp_nagle_log nagle; 856 struct sctp_sbwake_log wake; 857 struct sctp_mbuf_log mb; 858 struct sctp_misc_info misc; 859 } x; 860 }; 861 862 struct sctp_cwnd_log_req { 863 int32_t num_in_log; /* Number in log */ 864 int32_t num_ret; /* Number returned */ 865 int32_t start_at; /* start at this one */ 866 int32_t end_at; /* end at this one */ 867 struct sctp_cwnd_log log[]; 868 }; 869 870 struct sctp_timeval { 871 uint32_t tv_sec; 872 uint32_t tv_usec; 873 }; 874 875 struct sctpstat { 876 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 877 * (TimeStamp) */ 878 /* MIB according to RFC 3873 */ 879 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 880 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 881 uint32_t sctps_restartestab; 882 uint32_t sctps_collisionestab; 883 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 884 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 885 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 886 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 887 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 888 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 889 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 890 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 891 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 892 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 893 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 894 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 895 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 896 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 897 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 898 899 /* input statistics: */ 900 uint32_t sctps_recvpackets; /* total input packets */ 901 uint32_t sctps_recvdatagrams; /* total input datagrams */ 902 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 903 uint32_t sctps_recvsacks; /* total input SACK chunks */ 904 uint32_t sctps_recvdata;/* total input DATA chunks */ 905 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 906 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 907 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 908 uint32_t sctps_recvecne;/* total input ECNE chunks */ 909 uint32_t sctps_recvauth;/* total input AUTH chunks */ 910 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 911 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 912 * received */ 913 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 914 * received */ 915 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 916 uint32_t sctps_recvexpress; /* total fast path receives all one 917 * chunk */ 918 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 919 uint32_t sctps_recvnocrc; 920 uint32_t sctps_recvswcrc; 921 uint32_t sctps_recvhwcrc; 922 923 /* output statistics: */ 924 uint32_t sctps_sendpackets; /* total output packets */ 925 uint32_t sctps_sendsacks; /* total output SACKs */ 926 uint32_t sctps_senddata;/* total output DATA chunks */ 927 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 928 * chunks */ 929 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 930 * DATA chunks */ 931 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 932 * more than once to same 933 * chunk (u-del multi-fr 934 * algo). */ 935 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 936 uint32_t sctps_sendecne;/* total output ECNE chunks */ 937 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 938 uint32_t sctps_senderrors; /* ip_output error counter */ 939 uint32_t sctps_sendnocrc; 940 uint32_t sctps_sendswcrc; 941 uint32_t sctps_sendhwcrc; 942 /* PCKDROPREP statistics: */ 943 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 944 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 945 uint32_t sctps_pdrpmbda;/* P-drops with data */ 946 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 947 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 948 * only */ 949 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 950 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 951 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 952 * said break */ 953 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 954 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 955 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 956 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 957 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 958 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 959 /* timeouts */ 960 uint32_t sctps_timoiterator; /* Number of iterator timers that 961 * fired */ 962 uint32_t sctps_timodata;/* Number of T3 data time outs */ 963 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 964 * that fired */ 965 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 966 uint32_t sctps_timosack;/* Number of sack timers that fired */ 967 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 968 * fired */ 969 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 970 * fired */ 971 uint32_t sctps_timocookie; /* Number of times a cookie timeout 972 * fired */ 973 uint32_t sctps_timosecret; /* Number of times an endpoint changed 974 * its cookie secret */ 975 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 976 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 977 * fired */ 978 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 979 * timers that fired */ 980 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 981 * fired */ 982 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 983 * fired */ 984 uint32_t sctps_timoasconf; /* Number of times an asconf timer 985 * fired */ 986 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 987 * timer fired */ 988 uint32_t sctps_timoautoclose; /* Number of times auto close timer 989 * fired */ 990 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 991 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 992 /* former early FR counters */ 993 uint32_t sctps_spare[11]; 994 /* others */ 995 uint32_t sctps_hdrops; /* packet shorter than header */ 996 uint32_t sctps_badsum; /* checksum error */ 997 uint32_t sctps_noport; /* no endpoint for port */ 998 uint32_t sctps_badvtag; /* bad v-tag */ 999 uint32_t sctps_badsid; /* bad SID */ 1000 uint32_t sctps_nomem; /* no memory */ 1001 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 1002 * RTT window */ 1003 uint32_t sctps_markedretrans; 1004 uint32_t sctps_naglesent; /* nagle allowed sending */ 1005 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1006 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1007 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1008 * interface ring buffer OR we had a 1009 * send error and are queuing one 1010 * send. */ 1011 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1012 uint32_t sctps_lowlevelerr; /* total times an output error causes 1013 * us to clamp down on next user send. */ 1014 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 1015 * caused from a user send from a user 1016 * invoked send not a sack response */ 1017 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 1018 * chunk limit reached */ 1019 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 1020 * limit reached */ 1021 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 1022 * cwnd */ 1023 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1024 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1025 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 1026 * of user data on primary */ 1027 uint32_t sctps_cmt_randry; /* Same for above */ 1028 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1029 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1030 uint32_t sctps_sends_with_flags; /* number of sends with 1031 * sinfo_flags !=0 */ 1032 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1033 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1034 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 1035 * flag set */ 1036 uint32_t sctps_protocol_drain_calls; /* number of times protocol 1037 * drain called */ 1038 uint32_t sctps_protocol_drains_done; /* number of times we did a 1039 * protocol drain */ 1040 uint32_t sctps_read_peeks; /* Number of times recv was called 1041 * with peek */ 1042 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1043 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1044 uint32_t sctps_left_abandon; /* Number of unread messages abandoned 1045 * by close */ 1046 uint32_t sctps_send_burst_avoid; /* Unused */ 1047 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 1048 * max burst inflight to net */ 1049 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 1050 * fwd-tsn's */ 1051 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or 1052 * updated an ECN chunk on send queue */ 1053 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's 1054 * from here when adding new */ 1055 }; 1056 1057 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1058 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1059 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1060 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1061 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1062 #else 1063 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1064 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1065 #endif 1066 /* The following macros are for handling MIB values, */ 1067 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1068 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1069 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1070 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1071 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1072 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1073 1074 union sctp_sockstore { 1075 #if defined(INET) || !defined(_KERNEL) 1076 struct sockaddr_in sin; 1077 #endif 1078 #if defined(INET6) || !defined(_KERNEL) 1079 struct sockaddr_in6 sin6; 1080 #endif 1081 struct sockaddr sa; 1082 }; 1083 1084 1085 /***********************************/ 1086 /* And something for us old timers */ 1087 /***********************************/ 1088 1089 #ifndef ntohll 1090 #include <sys/endian.h> 1091 #define ntohll(x) be64toh(x) 1092 #endif 1093 1094 #ifndef htonll 1095 #include <sys/endian.h> 1096 #define htonll(x) htobe64(x) 1097 #endif 1098 /***********************************/ 1099 1100 1101 struct xsctp_inpcb { 1102 uint32_t last; 1103 uint32_t flags; 1104 uint32_t features; 1105 uint32_t total_sends; 1106 uint32_t total_recvs; 1107 uint32_t total_nospaces; 1108 uint32_t fragmentation_point; 1109 uint16_t local_port; 1110 uint16_t qlen; 1111 uint16_t maxqlen; 1112 uint32_t extra_padding[32]; /* future */ 1113 }; 1114 1115 struct xsctp_tcb { 1116 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1117 uint32_t last; 1118 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1119 uint32_t state; /* sctpAssocEntry 8 */ 1120 uint32_t in_streams; /* sctpAssocEntry 9 */ 1121 uint32_t out_streams; /* sctpAssocEntry 10 */ 1122 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1123 uint32_t primary_process; /* sctpAssocEntry 12 */ 1124 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1125 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1126 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1127 uint32_t total_sends; 1128 uint32_t total_recvs; 1129 uint32_t local_tag; 1130 uint32_t remote_tag; 1131 uint32_t initial_tsn; 1132 uint32_t highest_tsn; 1133 uint32_t cumulative_tsn; 1134 uint32_t cumulative_tsn_ack; 1135 uint32_t mtu; 1136 uint32_t refcnt; 1137 uint16_t local_port; /* sctpAssocEntry 3 */ 1138 uint16_t remote_port; /* sctpAssocEntry 4 */ 1139 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1140 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1141 uint32_t peers_rwnd; 1142 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1143 uint32_t extra_padding[32]; /* future */ 1144 }; 1145 1146 struct xsctp_laddr { 1147 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1148 uint32_t last; 1149 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1150 uint32_t extra_padding[32]; /* future */ 1151 }; 1152 1153 struct xsctp_raddr { 1154 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1155 uint32_t last; 1156 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1157 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1158 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1159 uint32_t error_counter; /* */ 1160 uint32_t cwnd; /* */ 1161 uint32_t flight_size; /* */ 1162 uint32_t mtu; /* */ 1163 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1164 uint8_t confirmed; /* */ 1165 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1166 uint8_t potentially_failed; 1167 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1168 uint32_t rtt; 1169 uint32_t heartbeat_interval; 1170 uint32_t extra_padding[31]; /* future */ 1171 }; 1172 1173 #define SCTP_MAX_LOGGING_SIZE 30000 1174 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1175 1176 struct sctp_log_entry { 1177 uint64_t timestamp; 1178 uint32_t subsys; 1179 uint32_t padding; 1180 uint32_t params[SCTP_TRACE_PARAMS]; 1181 }; 1182 1183 struct sctp_log { 1184 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1185 uint32_t index; 1186 uint32_t padding; 1187 }; 1188 1189 /* 1190 * Kernel defined for sctp_send 1191 */ 1192 #if defined(_KERNEL) || defined(__Userspace__) 1193 int 1194 sctp_lower_sosend(struct socket *so, 1195 struct sockaddr *addr, 1196 struct uio *uio, 1197 struct mbuf *i_pak, 1198 struct mbuf *control, 1199 int flags, 1200 struct sctp_sndrcvinfo *srcv 1201 ,struct thread *p 1202 ); 1203 1204 int 1205 sctp_sorecvmsg(struct socket *so, 1206 struct uio *uio, 1207 struct mbuf **mp, 1208 struct sockaddr *from, 1209 int fromlen, 1210 int *msg_flags, 1211 struct sctp_sndrcvinfo *sinfo, 1212 int filling_sinfo); 1213 1214 #endif 1215 1216 /* 1217 * API system calls 1218 */ 1219 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1220 1221 __BEGIN_DECLS 1222 int sctp_peeloff __P((int, sctp_assoc_t)); 1223 int sctp_bindx __P((int, struct sockaddr *, int, int)); 1224 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1225 int sctp_getaddrlen __P((sa_family_t)); 1226 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1227 void sctp_freepaddrs __P((struct sockaddr *)); 1228 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1229 void sctp_freeladdrs __P((struct sockaddr *)); 1230 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1231 1232 /* deprecated */ 1233 ssize_t sctp_sendmsg 1234 __P((int, const void *, size_t, const struct sockaddr *, 1235 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1236 1237 /* deprecated */ 1238 ssize_t sctp_send __P((int, const void *, size_t, 1239 const struct sctp_sndrcvinfo *, int)); 1240 1241 /* deprecated */ 1242 ssize_t sctp_sendx __P((int, const void *, size_t, struct sockaddr *, 1243 int, struct sctp_sndrcvinfo *, int)); 1244 1245 /* deprecated */ 1246 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, struct sockaddr *, 1247 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1248 1249 sctp_assoc_t sctp_getassocid __P((int, struct sockaddr *)); 1250 1251 /* deprecated */ 1252 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, socklen_t *, 1253 struct sctp_sndrcvinfo *, int *)); 1254 1255 ssize_t sctp_sendv __P((int, const struct iovec *, int, struct sockaddr *, 1256 int, void *, socklen_t, unsigned int, int)); 1257 1258 ssize_t sctp_recvv __P((int, const struct iovec *, int, struct sockaddr *, 1259 socklen_t *, void *, socklen_t *, unsigned int *, int *)); 1260 1261 __END_DECLS 1262 1263 #endif /* !_KERNEL */ 1264 #endif /* !__sctp_uio_h__ */ 1265