1 /*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* $KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $ */ 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #ifndef __sctp_uio_h__ 36 #define __sctp_uio_h__ 37 38 39 #if ! defined(_KERNEL) 40 #include <stdint.h> 41 #endif 42 #include <sys/types.h> 43 #include <sys/socket.h> 44 #include <netinet/in.h> 45 46 typedef uint32_t sctp_assoc_t; 47 48 /* On/Off setup for subscription to events */ 49 struct sctp_event_subscribe { 50 uint8_t sctp_data_io_event; 51 uint8_t sctp_association_event; 52 uint8_t sctp_address_event; 53 uint8_t sctp_send_failure_event; 54 uint8_t sctp_peer_error_event; 55 uint8_t sctp_shutdown_event; 56 uint8_t sctp_partial_delivery_event; 57 uint8_t sctp_adaptation_layer_event; 58 uint8_t sctp_authentication_event; 59 uint8_t sctp_sender_dry_event; 60 uint8_t sctp_stream_reset_events; 61 }; 62 63 /* ancillary data types */ 64 #define SCTP_INIT 0x0001 65 #define SCTP_SNDRCV 0x0002 66 #define SCTP_EXTRCV 0x0003 67 /* 68 * ancillary data structures 69 */ 70 struct sctp_initmsg { 71 uint16_t sinit_num_ostreams; 72 uint16_t sinit_max_instreams; 73 uint16_t sinit_max_attempts; 74 uint16_t sinit_max_init_timeo; 75 }; 76 77 /* We add 96 bytes to the size of sctp_sndrcvinfo. 78 * This makes the current structure 128 bytes long 79 * which is nicely 64 bit aligned but also has room 80 * for us to add more and keep ABI compatability. 81 * For example, already we have the sctp_extrcvinfo 82 * when enabled which is 48 bytes. 83 */ 84 85 /* 86 * The assoc up needs a verfid 87 * all sendrcvinfo's need a verfid for SENDING only. 88 */ 89 90 91 #define SCTP_ALIGN_RESV_PAD 96 92 #define SCTP_ALIGN_RESV_PAD_SHORT 80 93 94 struct sctp_sndrcvinfo { 95 uint16_t sinfo_stream; 96 uint16_t sinfo_ssn; 97 uint16_t sinfo_flags; 98 uint32_t sinfo_ppid; 99 uint32_t sinfo_context; 100 uint32_t sinfo_timetolive; 101 uint32_t sinfo_tsn; 102 uint32_t sinfo_cumtsn; 103 sctp_assoc_t sinfo_assoc_id; 104 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 105 }; 106 107 struct sctp_extrcvinfo { 108 uint16_t sinfo_stream; 109 uint16_t sinfo_ssn; 110 uint16_t sinfo_flags; 111 uint16_t sinfo_pr_policy; 112 uint32_t sinfo_ppid; 113 uint32_t sinfo_context; 114 uint32_t sinfo_timetolive; 115 uint32_t sinfo_tsn; 116 uint32_t sinfo_cumtsn; 117 sctp_assoc_t sinfo_assoc_id; 118 uint16_t sreinfo_next_flags; 119 uint16_t sreinfo_next_stream; 120 uint32_t sreinfo_next_aid; 121 uint32_t sreinfo_next_length; 122 uint32_t sreinfo_next_ppid; 123 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 124 }; 125 126 #define SCTP_NO_NEXT_MSG 0x0000 127 #define SCTP_NEXT_MSG_AVAIL 0x0001 128 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 129 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 130 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 131 132 struct sctp_snd_all_completes { 133 uint16_t sall_stream; 134 uint16_t sall_flags; 135 uint32_t sall_ppid; 136 uint32_t sall_context; 137 uint32_t sall_num_sent; 138 uint32_t sall_num_failed; 139 }; 140 141 /* Flags that go into the sinfo->sinfo_flags field */ 142 #define SCTP_EOF 0x0100 /* Start shutdown procedures */ 143 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 144 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 145 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 146 #define SCTP_SENDALL 0x1000 /* Send this on all associations */ 147 #define SCTP_EOR 0x2000 /* end of message signal */ 148 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 149 150 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \ 151 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 152 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 153 SCTP_SACK_IMMEDIATELY)) != 0) 154 /* for the endpoint */ 155 156 /* The lower byte is an enumeration of PR-SCTP policies */ 157 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 158 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 159 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 160 161 #define PR_SCTP_POLICY(x) ((x) & 0xff) 162 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0) 163 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 164 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 165 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 166 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 167 /* Stat's */ 168 struct sctp_pcbinfo { 169 uint32_t ep_count; 170 uint32_t asoc_count; 171 uint32_t laddr_count; 172 uint32_t raddr_count; 173 uint32_t chk_count; 174 uint32_t readq_count; 175 uint32_t free_chunks; 176 uint32_t stream_oque; 177 }; 178 179 struct sctp_sockstat { 180 sctp_assoc_t ss_assoc_id; 181 uint32_t ss_total_sndbuf; 182 uint32_t ss_total_recv_buf; 183 }; 184 185 /* 186 * notification event structures 187 */ 188 189 /* 190 * association change event 191 */ 192 struct sctp_assoc_change { 193 uint16_t sac_type; 194 uint16_t sac_flags; 195 uint32_t sac_length; 196 uint16_t sac_state; 197 uint16_t sac_error; 198 uint16_t sac_outbound_streams; 199 uint16_t sac_inbound_streams; 200 sctp_assoc_t sac_assoc_id; 201 }; 202 203 /* sac_state values */ 204 #define SCTP_COMM_UP 0x0001 205 #define SCTP_COMM_LOST 0x0002 206 #define SCTP_RESTART 0x0003 207 #define SCTP_SHUTDOWN_COMP 0x0004 208 #define SCTP_CANT_STR_ASSOC 0x0005 209 210 211 /* 212 * Address event 213 */ 214 struct sctp_paddr_change { 215 uint16_t spc_type; 216 uint16_t spc_flags; 217 uint32_t spc_length; 218 struct sockaddr_storage spc_aaddr; 219 uint32_t spc_state; 220 uint32_t spc_error; 221 sctp_assoc_t spc_assoc_id; 222 uint8_t spc_padding[4]; 223 }; 224 225 /* paddr state values */ 226 #define SCTP_ADDR_AVAILABLE 0x0001 227 #define SCTP_ADDR_UNREACHABLE 0x0002 228 #define SCTP_ADDR_REMOVED 0x0003 229 #define SCTP_ADDR_ADDED 0x0004 230 #define SCTP_ADDR_MADE_PRIM 0x0005 231 #define SCTP_ADDR_CONFIRMED 0x0006 232 233 /* 234 * CAUTION: these are user exposed SCTP addr reachability states must be 235 * compatible with SCTP_ADDR states in sctp_constants.h 236 */ 237 #ifdef SCTP_ACTIVE 238 #undef SCTP_ACTIVE 239 #endif 240 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 241 242 #ifdef SCTP_INACTIVE 243 #undef SCTP_INACTIVE 244 #endif 245 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ 246 247 #ifdef SCTP_UNCONFIRMED 248 #undef SCTP_UNCONFIRMED 249 #endif 250 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 251 252 #ifdef SCTP_NOHEARTBEAT 253 #undef SCTP_NOHEARTBEAT 254 #endif 255 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */ 256 257 258 /* remote error events */ 259 struct sctp_remote_error { 260 uint16_t sre_type; 261 uint16_t sre_flags; 262 uint32_t sre_length; 263 uint16_t sre_error; 264 sctp_assoc_t sre_assoc_id; 265 uint8_t sre_data[4]; 266 }; 267 268 /* data send failure event */ 269 struct sctp_send_failed { 270 uint16_t ssf_type; 271 uint16_t ssf_flags; 272 uint32_t ssf_length; 273 uint32_t ssf_error; 274 struct sctp_sndrcvinfo ssf_info; 275 sctp_assoc_t ssf_assoc_id; 276 uint8_t ssf_data[0]; 277 }; 278 279 /* flag that indicates state of data */ 280 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 281 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 282 283 /* shutdown event */ 284 struct sctp_shutdown_event { 285 uint16_t sse_type; 286 uint16_t sse_flags; 287 uint32_t sse_length; 288 sctp_assoc_t sse_assoc_id; 289 }; 290 291 /* Adaptation layer indication stuff */ 292 struct sctp_adaptation_event { 293 uint16_t sai_type; 294 uint16_t sai_flags; 295 uint32_t sai_length; 296 uint32_t sai_adaptation_ind; 297 sctp_assoc_t sai_assoc_id; 298 }; 299 300 struct sctp_setadaptation { 301 uint32_t ssb_adaptation_ind; 302 }; 303 304 /* compatable old spelling */ 305 struct sctp_adaption_event { 306 uint16_t sai_type; 307 uint16_t sai_flags; 308 uint32_t sai_length; 309 uint32_t sai_adaption_ind; 310 sctp_assoc_t sai_assoc_id; 311 }; 312 313 struct sctp_setadaption { 314 uint32_t ssb_adaption_ind; 315 }; 316 317 318 /* 319 * Partial Delivery API event 320 */ 321 struct sctp_pdapi_event { 322 uint16_t pdapi_type; 323 uint16_t pdapi_flags; 324 uint32_t pdapi_length; 325 uint32_t pdapi_indication; 326 uint16_t pdapi_stream; 327 uint16_t pdapi_seq; 328 sctp_assoc_t pdapi_assoc_id; 329 }; 330 331 /* indication values */ 332 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 333 334 335 /* 336 * authentication key event 337 */ 338 struct sctp_authkey_event { 339 uint16_t auth_type; 340 uint16_t auth_flags; 341 uint32_t auth_length; 342 uint16_t auth_keynumber; 343 uint16_t auth_altkeynumber; 344 uint32_t auth_indication; 345 sctp_assoc_t auth_assoc_id; 346 }; 347 348 /* indication values */ 349 #define SCTP_AUTH_NEWKEY 0x0001 350 #define SCTP_AUTH_NO_AUTH 0x0002 351 #define SCTP_AUTH_FREE_KEY 0x0003 352 353 354 struct sctp_sender_dry_event { 355 uint16_t sender_dry_type; 356 uint16_t sender_dry_flags; 357 uint32_t sender_dry_length; 358 sctp_assoc_t sender_dry_assoc_id; 359 }; 360 361 362 /* 363 * stream reset event 364 */ 365 struct sctp_stream_reset_event { 366 uint16_t strreset_type; 367 uint16_t strreset_flags; 368 uint32_t strreset_length; 369 sctp_assoc_t strreset_assoc_id; 370 uint16_t strreset_list[0]; 371 }; 372 373 /* flags in strreset_flags field */ 374 #define SCTP_STRRESET_INBOUND_STR 0x0001 375 #define SCTP_STRRESET_OUTBOUND_STR 0x0002 376 #define SCTP_STRRESET_ALL_STREAMS 0x0004 377 #define SCTP_STRRESET_STREAM_LIST 0x0008 378 #define SCTP_STRRESET_FAILED 0x0010 379 #define SCTP_STRRESET_ADD_STREAM 0x0020 380 381 /* SCTP notification event */ 382 struct sctp_tlv { 383 uint16_t sn_type; 384 uint16_t sn_flags; 385 uint32_t sn_length; 386 }; 387 388 union sctp_notification { 389 struct sctp_tlv sn_header; 390 struct sctp_assoc_change sn_assoc_change; 391 struct sctp_paddr_change sn_paddr_change; 392 struct sctp_remote_error sn_remote_error; 393 struct sctp_send_failed sn_send_failed; 394 struct sctp_shutdown_event sn_shutdown_event; 395 struct sctp_adaptation_event sn_adaptation_event; 396 /* compatability same as above */ 397 struct sctp_adaption_event sn_adaption_event; 398 struct sctp_pdapi_event sn_pdapi_event; 399 struct sctp_authkey_event sn_auth_event; 400 struct sctp_sender_dry_event sn_sender_dry_event; 401 struct sctp_stream_reset_event sn_strreset_event; 402 }; 403 404 /* notification types */ 405 #define SCTP_ASSOC_CHANGE 0x0001 406 #define SCTP_PEER_ADDR_CHANGE 0x0002 407 #define SCTP_REMOTE_ERROR 0x0003 408 #define SCTP_SEND_FAILED 0x0004 409 #define SCTP_SHUTDOWN_EVENT 0x0005 410 #define SCTP_ADAPTATION_INDICATION 0x0006 411 /* same as above */ 412 #define SCTP_ADAPTION_INDICATION 0x0006 413 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 414 #define SCTP_AUTHENTICATION_EVENT 0x0008 415 #define SCTP_STREAM_RESET_EVENT 0x0009 416 #define SCTP_SENDER_DRY_EVENT 0x000a 417 418 /* 419 * socket option structs 420 */ 421 422 struct sctp_paddrparams { 423 struct sockaddr_storage spp_address; 424 sctp_assoc_t spp_assoc_id; 425 uint32_t spp_hbinterval; 426 uint32_t spp_pathmtu; 427 uint32_t spp_flags; 428 uint32_t spp_ipv6_flowlabel; 429 uint16_t spp_pathmaxrxt; 430 uint8_t spp_ipv4_tos; 431 }; 432 433 #define SPP_HB_ENABLE 0x00000001 434 #define SPP_HB_DISABLE 0x00000002 435 #define SPP_HB_DEMAND 0x00000004 436 #define SPP_PMTUD_ENABLE 0x00000008 437 #define SPP_PMTUD_DISABLE 0x00000010 438 #define SPP_HB_TIME_IS_ZERO 0x00000080 439 #define SPP_IPV6_FLOWLABEL 0x00000100 440 #define SPP_IPV4_TOS 0x00000200 441 442 struct sctp_paddrinfo { 443 struct sockaddr_storage spinfo_address; 444 sctp_assoc_t spinfo_assoc_id; 445 int32_t spinfo_state; 446 uint32_t spinfo_cwnd; 447 uint32_t spinfo_srtt; 448 uint32_t spinfo_rto; 449 uint32_t spinfo_mtu; 450 }; 451 452 struct sctp_rtoinfo { 453 sctp_assoc_t srto_assoc_id; 454 uint32_t srto_initial; 455 uint32_t srto_max; 456 uint32_t srto_min; 457 }; 458 459 struct sctp_assocparams { 460 sctp_assoc_t sasoc_assoc_id; 461 uint32_t sasoc_peer_rwnd; 462 uint32_t sasoc_local_rwnd; 463 uint32_t sasoc_cookie_life; 464 uint16_t sasoc_asocmaxrxt; 465 uint16_t sasoc_number_peer_destinations; 466 }; 467 468 struct sctp_setprim { 469 struct sockaddr_storage ssp_addr; 470 sctp_assoc_t ssp_assoc_id; 471 uint8_t ssp_padding[4]; 472 }; 473 474 struct sctp_setpeerprim { 475 struct sockaddr_storage sspp_addr; 476 sctp_assoc_t sspp_assoc_id; 477 uint8_t sspp_padding[4]; 478 }; 479 480 struct sctp_getaddresses { 481 sctp_assoc_t sget_assoc_id; 482 /* addr is filled in for N * sockaddr_storage */ 483 struct sockaddr addr[1]; 484 }; 485 486 struct sctp_setstrm_timeout { 487 sctp_assoc_t ssto_assoc_id; 488 uint32_t ssto_timeout; 489 uint32_t ssto_streamid_start; 490 uint32_t ssto_streamid_end; 491 }; 492 493 struct sctp_status { 494 sctp_assoc_t sstat_assoc_id; 495 int32_t sstat_state; 496 uint32_t sstat_rwnd; 497 uint16_t sstat_unackdata; 498 uint16_t sstat_penddata; 499 uint16_t sstat_instrms; 500 uint16_t sstat_outstrms; 501 uint32_t sstat_fragmentation_point; 502 struct sctp_paddrinfo sstat_primary; 503 }; 504 505 /* 506 * AUTHENTICATION support 507 */ 508 /* SCTP_AUTH_CHUNK */ 509 struct sctp_authchunk { 510 uint8_t sauth_chunk; 511 }; 512 513 /* SCTP_AUTH_KEY */ 514 struct sctp_authkey { 515 sctp_assoc_t sca_assoc_id; 516 uint16_t sca_keynumber; 517 uint8_t sca_key[0]; 518 }; 519 520 /* SCTP_HMAC_IDENT */ 521 struct sctp_hmacalgo { 522 uint32_t shmac_number_of_idents; 523 uint16_t shmac_idents[0]; 524 }; 525 526 /* AUTH hmac_id */ 527 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 528 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 529 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ 530 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 531 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004 532 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005 533 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006 534 535 536 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 537 struct sctp_authkeyid { 538 sctp_assoc_t scact_assoc_id; 539 uint16_t scact_keynumber; 540 }; 541 542 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 543 struct sctp_authchunks { 544 sctp_assoc_t gauth_assoc_id; 545 uint8_t gauth_chunks[0]; 546 }; 547 548 struct sctp_assoc_value { 549 sctp_assoc_t assoc_id; 550 uint32_t assoc_value; 551 }; 552 553 struct sctp_assoc_ids { 554 uint32_t gaids_number_of_ids; 555 sctp_assoc_t gaids_assoc_id[0]; 556 }; 557 558 struct sctp_sack_info { 559 sctp_assoc_t sack_assoc_id; 560 uint32_t sack_delay; 561 uint32_t sack_freq; 562 }; 563 564 struct sctp_cwnd_args { 565 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 566 uint32_t cwnd_new_value;/* cwnd in k */ 567 uint32_t pseudo_cumack; 568 uint16_t inflight; /* flightsize in k */ 569 uint16_t cwnd_augment; /* increment to it */ 570 uint8_t meets_pseudo_cumack; 571 uint8_t need_new_pseudo_cumack; 572 uint8_t cnt_in_send; 573 uint8_t cnt_in_str; 574 }; 575 576 struct sctp_blk_args { 577 uint32_t onsb; /* in 1k bytes */ 578 uint32_t sndlen; /* len of send being attempted */ 579 uint32_t peer_rwnd; /* rwnd of peer */ 580 uint16_t send_sent_qcnt;/* chnk cnt */ 581 uint16_t stream_qcnt; /* chnk cnt */ 582 uint16_t chunks_on_oque;/* chunks out */ 583 uint16_t flight_size; /* flight size in k */ 584 }; 585 586 /* 587 * Max we can reset in one setting, note this is dictated not by the define 588 * but the size of a mbuf cluster so don't change this define and think you 589 * can specify more. You must do multiple resets if you want to reset more 590 * than SCTP_MAX_EXPLICIT_STR_RESET. 591 */ 592 #define SCTP_MAX_EXPLICT_STR_RESET 1000 593 594 #define SCTP_RESET_LOCAL_RECV 0x0001 595 #define SCTP_RESET_LOCAL_SEND 0x0002 596 #define SCTP_RESET_BOTH 0x0003 597 #define SCTP_RESET_TSN 0x0004 598 #define SCTP_RESET_ADD_STREAMS 0x0005 599 600 struct sctp_stream_reset { 601 sctp_assoc_t strrst_assoc_id; 602 uint16_t strrst_flags; 603 uint16_t strrst_num_streams; /* 0 == ALL */ 604 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */ 605 }; 606 607 608 struct sctp_get_nonce_values { 609 sctp_assoc_t gn_assoc_id; 610 uint32_t gn_peers_tag; 611 uint32_t gn_local_tag; 612 }; 613 614 /* Debugging logs */ 615 struct sctp_str_log { 616 void *stcb; /* FIXME: LP64 issue */ 617 uint32_t n_tsn; 618 uint32_t e_tsn; 619 uint16_t n_sseq; 620 uint16_t e_sseq; 621 uint16_t strm; 622 }; 623 624 struct sctp_sb_log { 625 void *stcb; /* FIXME: LP64 issue */ 626 uint32_t so_sbcc; 627 uint32_t stcb_sbcc; 628 uint32_t incr; 629 }; 630 631 struct sctp_fr_log { 632 uint32_t largest_tsn; 633 uint32_t largest_new_tsn; 634 uint32_t tsn; 635 }; 636 637 struct sctp_fr_map { 638 uint32_t base; 639 uint32_t cum; 640 uint32_t high; 641 }; 642 643 struct sctp_rwnd_log { 644 uint32_t rwnd; 645 uint32_t send_size; 646 uint32_t overhead; 647 uint32_t new_rwnd; 648 }; 649 650 struct sctp_mbcnt_log { 651 uint32_t total_queue_size; 652 uint32_t size_change; 653 uint32_t total_queue_mb_size; 654 uint32_t mbcnt_change; 655 }; 656 657 struct sctp_sack_log { 658 uint32_t cumack; 659 uint32_t oldcumack; 660 uint32_t tsn; 661 uint16_t numGaps; 662 uint16_t numDups; 663 }; 664 665 struct sctp_lock_log { 666 void *sock; /* FIXME: LP64 issue */ 667 void *inp; /* FIXME: LP64 issue */ 668 uint8_t tcb_lock; 669 uint8_t inp_lock; 670 uint8_t info_lock; 671 uint8_t sock_lock; 672 uint8_t sockrcvbuf_lock; 673 uint8_t socksndbuf_lock; 674 uint8_t create_lock; 675 uint8_t resv; 676 }; 677 678 struct sctp_rto_log { 679 void *net; /* FIXME: LP64 issue */ 680 uint32_t rtt; 681 }; 682 683 struct sctp_nagle_log { 684 void *stcb; /* FIXME: LP64 issue */ 685 uint32_t total_flight; 686 uint32_t total_in_queue; 687 uint16_t count_in_queue; 688 uint16_t count_in_flight; 689 }; 690 691 struct sctp_sbwake_log { 692 void *stcb; /* FIXME: LP64 issue */ 693 uint16_t send_q; 694 uint16_t sent_q; 695 uint16_t flight; 696 uint16_t wake_cnt; 697 uint8_t stream_qcnt; /* chnk cnt */ 698 uint8_t chunks_on_oque; /* chunks out */ 699 uint8_t sbflags; 700 uint8_t sctpflags; 701 }; 702 703 struct sctp_misc_info { 704 uint32_t log1; 705 uint32_t log2; 706 uint32_t log3; 707 uint32_t log4; 708 }; 709 710 struct sctp_log_closing { 711 void *inp; /* FIXME: LP64 issue */ 712 void *stcb; /* FIXME: LP64 issue */ 713 uint32_t sctp_flags; 714 uint16_t state; 715 int16_t loc; 716 }; 717 718 struct sctp_mbuf_log { 719 struct mbuf *mp; /* FIXME: LP64 issue */ 720 caddr_t ext; 721 caddr_t data; 722 uint16_t size; 723 uint8_t refcnt; 724 uint8_t mbuf_flags; 725 }; 726 727 struct sctp_cwnd_log { 728 uint64_t time_event; 729 uint8_t from; 730 uint8_t event_type; 731 uint8_t resv[2]; 732 union { 733 struct sctp_log_closing close; 734 struct sctp_blk_args blk; 735 struct sctp_cwnd_args cwnd; 736 struct sctp_str_log strlog; 737 struct sctp_fr_log fr; 738 struct sctp_fr_map map; 739 struct sctp_rwnd_log rwnd; 740 struct sctp_mbcnt_log mbcnt; 741 struct sctp_sack_log sack; 742 struct sctp_lock_log lock; 743 struct sctp_rto_log rto; 744 struct sctp_sb_log sb; 745 struct sctp_nagle_log nagle; 746 struct sctp_sbwake_log wake; 747 struct sctp_mbuf_log mb; 748 struct sctp_misc_info misc; 749 } x; 750 }; 751 752 struct sctp_cwnd_log_req { 753 int32_t num_in_log; /* Number in log */ 754 int32_t num_ret; /* Number returned */ 755 int32_t start_at; /* start at this one */ 756 int32_t end_at; /* end at this one */ 757 struct sctp_cwnd_log log[0]; 758 }; 759 760 struct sctp_timeval { 761 uint32_t tv_sec; 762 uint32_t tv_usec; 763 }; 764 765 struct sctpstat { 766 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 767 * (TimeStamp) */ 768 /* MIB according to RFC 3873 */ 769 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 770 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 771 uint32_t sctps_restartestab; 772 uint32_t sctps_collisionestab; 773 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 774 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 775 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 776 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 777 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 778 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 779 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 780 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 781 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 782 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 783 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 784 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 785 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 786 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 787 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 788 789 /* input statistics: */ 790 uint32_t sctps_recvpackets; /* total input packets */ 791 uint32_t sctps_recvdatagrams; /* total input datagrams */ 792 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 793 uint32_t sctps_recvsacks; /* total input SACK chunks */ 794 uint32_t sctps_recvdata;/* total input DATA chunks */ 795 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 796 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 797 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 798 uint32_t sctps_recvecne;/* total input ECNE chunks */ 799 uint32_t sctps_recvauth;/* total input AUTH chunks */ 800 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 801 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 802 * received */ 803 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 804 * received */ 805 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 806 uint32_t sctps_recvexpress; /* total fast path receives all one 807 * chunk */ 808 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 809 uint32_t sctps_recvnocrc; 810 uint32_t sctps_recvswcrc; 811 uint32_t sctps_recvhwcrc; 812 813 /* output statistics: */ 814 uint32_t sctps_sendpackets; /* total output packets */ 815 uint32_t sctps_sendsacks; /* total output SACKs */ 816 uint32_t sctps_senddata;/* total output DATA chunks */ 817 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 818 * chunks */ 819 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 820 * DATA chunks */ 821 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 822 * more than once to same 823 * chunk (u-del multi-fr 824 * algo). */ 825 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 826 uint32_t sctps_sendecne;/* total output ECNE chunks */ 827 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 828 uint32_t sctps_senderrors; /* ip_output error counter */ 829 uint32_t sctps_sendnocrc; 830 uint32_t sctps_sendswcrc; 831 uint32_t sctps_sendhwcrc; 832 /* PCKDROPREP statistics: */ 833 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 834 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 835 uint32_t sctps_pdrpmbda;/* P-drops with data */ 836 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 837 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 838 * only */ 839 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 840 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 841 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 842 * said break */ 843 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 844 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 845 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 846 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 847 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 848 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 849 /* timeouts */ 850 uint32_t sctps_timoiterator; /* Number of iterator timers that 851 * fired */ 852 uint32_t sctps_timodata;/* Number of T3 data time outs */ 853 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 854 * that fired */ 855 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 856 uint32_t sctps_timosack;/* Number of sack timers that fired */ 857 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 858 * fired */ 859 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 860 * fired */ 861 uint32_t sctps_timocookie; /* Number of times a cookie timeout 862 * fired */ 863 uint32_t sctps_timosecret; /* Number of times an endpoint changed 864 * its cookie secret */ 865 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 866 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 867 * fired */ 868 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 869 * timers that fired */ 870 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 871 * fired */ 872 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 873 * fired */ 874 uint32_t sctps_timoasconf; /* Number of times an asconf timer 875 * fired */ 876 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 877 * timer fired */ 878 uint32_t sctps_timoautoclose; /* Number of times auto close timer 879 * fired */ 880 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 881 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 882 /* Early fast retransmission counters */ 883 uint32_t sctps_earlyfrstart; 884 uint32_t sctps_earlyfrstop; 885 uint32_t sctps_earlyfrmrkretrans; 886 uint32_t sctps_earlyfrstpout; 887 uint32_t sctps_earlyfrstpidsck1; 888 uint32_t sctps_earlyfrstpidsck2; 889 uint32_t sctps_earlyfrstpidsck3; 890 uint32_t sctps_earlyfrstpidsck4; 891 uint32_t sctps_earlyfrstrid; 892 uint32_t sctps_earlyfrstrout; 893 uint32_t sctps_earlyfrstrtmr; 894 /* otheres */ 895 uint32_t sctps_hdrops; /* packet shorter than header */ 896 uint32_t sctps_badsum; /* checksum error */ 897 uint32_t sctps_noport; /* no endpoint for port */ 898 uint32_t sctps_badvtag; /* bad v-tag */ 899 uint32_t sctps_badsid; /* bad SID */ 900 uint32_t sctps_nomem; /* no memory */ 901 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 902 * RTT window */ 903 uint32_t sctps_markedretrans; 904 uint32_t sctps_naglesent; /* nagle allowed sending */ 905 uint32_t sctps_naglequeued; /* nagle does't allow sending */ 906 uint32_t sctps_maxburstqueued; /* max burst dosn't allow sending */ 907 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 908 * interface ring buffer OR we had a 909 * send error and are queuing one 910 * send. */ 911 uint32_t sctps_windowprobed; /* total number of window probes sent */ 912 uint32_t sctps_lowlevelerr; /* total times an output error causes 913 * us to clamp down on next user send. */ 914 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 915 * caused from a user send from a user 916 * invoked send not a sack response */ 917 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 918 * chunk limit reached */ 919 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 920 * limit reached */ 921 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 922 * cwnd */ 923 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 924 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 925 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 926 * of user data on primary */ 927 uint32_t sctps_cmt_randry; /* Same for above */ 928 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 929 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 930 uint32_t sctps_sends_with_flags; /* number of sends with 931 * sinfo_flags !=0 */ 932 uint32_t sctps_sends_with_unord /* number of undordered sends */ ; 933 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 934 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 935 * flag set */ 936 uint32_t sctps_protocol_drain_calls; /* number of times protocol 937 * drain called */ 938 uint32_t sctps_protocol_drains_done; /* number of times we did a 939 * protocol drain */ 940 uint32_t sctps_read_peeks; /* Number of times recv was called 941 * with peek */ 942 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 943 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 944 uint32_t sctps_left_abandon; /* Number of unread message abandonded 945 * by close */ 946 uint32_t sctps_send_burst_avoid; /* Unused */ 947 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 948 * max burst inflight to net */ 949 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 950 * fwd-tsn's */ 951 952 uint32_t sctps_reserved[32]; /* Future ABI compat - remove int's 953 * from here when adding new */ 954 }; 955 956 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 957 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 958 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 959 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 960 961 /* The following macros are for handling MIB values, */ 962 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 963 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 964 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 965 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 966 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 967 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 968 969 union sctp_sockstore { 970 #if defined(INET) || !defined(_KERNEL) 971 struct sockaddr_in sin; 972 #endif 973 #if defined(INET6) || !defined(_KERNEL) 974 struct sockaddr_in6 sin6; 975 #endif 976 struct sockaddr sa; 977 }; 978 979 struct xsctp_inpcb { 980 uint32_t last; 981 uint32_t flags; 982 uint32_t features; 983 uint32_t total_sends; 984 uint32_t total_recvs; 985 uint32_t total_nospaces; 986 uint32_t fragmentation_point; 987 uint16_t local_port; 988 uint16_t qlen; 989 uint16_t maxqlen; 990 uint32_t extra_padding[32]; /* future */ 991 }; 992 993 struct xsctp_tcb { 994 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 995 uint32_t last; 996 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 997 uint32_t state; /* sctpAssocEntry 8 */ 998 uint32_t in_streams; /* sctpAssocEntry 9 */ 999 uint32_t out_streams; /* sctpAssocEntry 10 */ 1000 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1001 uint32_t primary_process; /* sctpAssocEntry 12 */ 1002 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1003 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1004 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1005 uint32_t total_sends; 1006 uint32_t total_recvs; 1007 uint32_t local_tag; 1008 uint32_t remote_tag; 1009 uint32_t initial_tsn; 1010 uint32_t highest_tsn; 1011 uint32_t cumulative_tsn; 1012 uint32_t cumulative_tsn_ack; 1013 uint32_t mtu; 1014 uint32_t refcnt; 1015 uint16_t local_port; /* sctpAssocEntry 3 */ 1016 uint16_t remote_port; /* sctpAssocEntry 4 */ 1017 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1018 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1019 uint32_t peers_rwnd; 1020 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1021 uint32_t extra_padding[32]; /* future */ 1022 }; 1023 1024 struct xsctp_laddr { 1025 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1026 uint32_t last; 1027 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1028 uint32_t extra_padding[32]; /* future */ 1029 }; 1030 1031 struct xsctp_raddr { 1032 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1033 uint32_t last; 1034 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1035 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1036 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1037 uint32_t error_counter; /* */ 1038 uint32_t cwnd; /* */ 1039 uint32_t flight_size; /* */ 1040 uint32_t mtu; /* */ 1041 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1042 uint8_t confirmed; /* */ 1043 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1044 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1045 uint32_t rtt; 1046 uint32_t extra_padding[32]; /* future */ 1047 }; 1048 1049 #define SCTP_MAX_LOGGING_SIZE 30000 1050 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1051 1052 struct sctp_log_entry { 1053 uint64_t timestamp; 1054 uint32_t subsys; 1055 uint32_t padding; 1056 uint32_t params[SCTP_TRACE_PARAMS]; 1057 }; 1058 1059 struct sctp_log { 1060 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1061 uint32_t index; 1062 uint32_t padding; 1063 }; 1064 1065 /* 1066 * Kernel defined for sctp_send 1067 */ 1068 #if defined(_KERNEL) || defined(__Userspace__) 1069 int 1070 sctp_lower_sosend(struct socket *so, 1071 struct sockaddr *addr, 1072 struct uio *uio, 1073 struct mbuf *i_pak, 1074 struct mbuf *control, 1075 int flags, 1076 int use_rcvinfo, 1077 struct sctp_sndrcvinfo *srcv 1078 ,struct thread *p 1079 ); 1080 1081 int 1082 sctp_sorecvmsg(struct socket *so, 1083 struct uio *uio, 1084 struct mbuf **mp, 1085 struct sockaddr *from, 1086 int fromlen, 1087 int *msg_flags, 1088 struct sctp_sndrcvinfo *sinfo, 1089 int filling_sinfo); 1090 1091 #endif 1092 1093 /* 1094 * API system calls 1095 */ 1096 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1097 1098 __BEGIN_DECLS 1099 int sctp_peeloff __P((int, sctp_assoc_t)); 1100 int sctp_bindx __P((int, struct sockaddr *, int, int)); 1101 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1102 int sctp_getaddrlen __P((sa_family_t)); 1103 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1104 void sctp_freepaddrs __P((struct sockaddr *)); 1105 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1106 void sctp_freeladdrs __P((struct sockaddr *)); 1107 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1108 1109 ssize_t sctp_sendmsg 1110 __P((int, const void *, size_t, 1111 const struct sockaddr *, 1112 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1113 1114 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 1115 const struct sctp_sndrcvinfo *sinfo, int flags)); 1116 1117 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len, 1118 struct sockaddr *addrs, int addrcnt, 1119 struct sctp_sndrcvinfo *sinfo, int flags)); 1120 1121 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, 1122 struct sockaddr *, int, 1123 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1124 1125 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa)); 1126 1127 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 1128 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1129 1130 __END_DECLS 1131 1132 #endif /* !_KERNEL */ 1133 #endif /* !__sctp_uio_h__ */ 1134