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 uint32_t sinit_num_ostreams; 72 uint32_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 uint16_t sinfo_pr_policy; 99 uint32_t sinfo_ppid; 100 uint32_t sinfo_context; 101 uint32_t sinfo_timetolive; 102 uint32_t sinfo_tsn; 103 uint32_t sinfo_cumtsn; 104 sctp_assoc_t sinfo_assoc_id; 105 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 106 }; 107 108 struct sctp_extrcvinfo { 109 uint16_t sinfo_stream; 110 uint16_t sinfo_ssn; 111 uint16_t sinfo_flags; 112 uint16_t sinfo_pr_policy; 113 uint32_t sinfo_ppid; 114 uint32_t sinfo_context; 115 uint32_t sinfo_timetolive; 116 uint32_t sinfo_tsn; 117 uint32_t sinfo_cumtsn; 118 sctp_assoc_t sinfo_assoc_id; 119 uint16_t sreinfo_next_flags; 120 uint16_t sreinfo_next_stream; 121 uint32_t sreinfo_next_aid; 122 uint32_t sreinfo_next_length; 123 uint32_t sreinfo_next_ppid; 124 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 125 }; 126 127 #define SCTP_NO_NEXT_MSG 0x0000 128 #define SCTP_NEXT_MSG_AVAIL 0x0001 129 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 130 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 131 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 132 133 struct sctp_snd_all_completes { 134 uint16_t sall_stream; 135 uint16_t sall_flags; 136 uint32_t sall_ppid; 137 uint32_t sall_context; 138 uint32_t sall_num_sent; 139 uint32_t sall_num_failed; 140 }; 141 142 /* Flags that go into the sinfo->sinfo_flags field */ 143 #define SCTP_EOF 0x0100 /* Start shutdown procedures */ 144 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 145 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 146 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 147 #define SCTP_SENDALL 0x1000 /* Send this on all associations */ 148 #define SCTP_EOR 0x2000 /* end of message signal */ 149 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 150 151 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \ 152 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 153 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 154 SCTP_SACK_IMMEDIATELY)) != 0) 155 /* for the endpoint */ 156 157 /* The lower byte is an enumeration of PR-SCTP policies */ 158 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 159 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 160 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 161 162 #define PR_SCTP_POLICY(x) ((x) & 0xff) 163 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0) 164 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 165 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 166 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 167 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 168 /* Stat's */ 169 struct sctp_pcbinfo { 170 uint32_t ep_count; 171 uint32_t asoc_count; 172 uint32_t laddr_count; 173 uint32_t raddr_count; 174 uint32_t chk_count; 175 uint32_t readq_count; 176 uint32_t free_chunks; 177 uint32_t stream_oque; 178 }; 179 180 struct sctp_sockstat { 181 sctp_assoc_t ss_assoc_id; 182 uint32_t ss_total_sndbuf; 183 uint32_t ss_total_recv_buf; 184 }; 185 186 /* 187 * notification event structures 188 */ 189 190 /* 191 * association change event 192 */ 193 struct sctp_assoc_change { 194 uint16_t sac_type; 195 uint16_t sac_flags; 196 uint32_t sac_length; 197 uint16_t sac_state; 198 uint16_t sac_error; 199 uint16_t sac_outbound_streams; 200 uint16_t sac_inbound_streams; 201 sctp_assoc_t sac_assoc_id; 202 }; 203 204 /* sac_state values */ 205 #define SCTP_COMM_UP 0x0001 206 #define SCTP_COMM_LOST 0x0002 207 #define SCTP_RESTART 0x0003 208 #define SCTP_SHUTDOWN_COMP 0x0004 209 #define SCTP_CANT_STR_ASSOC 0x0005 210 211 212 /* 213 * Address event 214 */ 215 struct sctp_paddr_change { 216 uint16_t spc_type; 217 uint16_t spc_flags; 218 uint32_t spc_length; 219 struct sockaddr_storage spc_aaddr; 220 uint32_t spc_state; 221 uint32_t spc_error; 222 sctp_assoc_t spc_assoc_id; 223 uint8_t spc_padding[4]; 224 }; 225 226 /* paddr state values */ 227 #define SCTP_ADDR_AVAILABLE 0x0001 228 #define SCTP_ADDR_UNREACHABLE 0x0002 229 #define SCTP_ADDR_REMOVED 0x0003 230 #define SCTP_ADDR_ADDED 0x0004 231 #define SCTP_ADDR_MADE_PRIM 0x0005 232 #define SCTP_ADDR_CONFIRMED 0x0006 233 234 /* 235 * CAUTION: these are user exposed SCTP addr reachability states must be 236 * compatible with SCTP_ADDR states in sctp_constants.h 237 */ 238 #ifdef SCTP_ACTIVE 239 #undef SCTP_ACTIVE 240 #endif 241 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 242 243 #ifdef SCTP_INACTIVE 244 #undef SCTP_INACTIVE 245 #endif 246 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ 247 248 #ifdef SCTP_UNCONFIRMED 249 #undef SCTP_UNCONFIRMED 250 #endif 251 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 252 253 #ifdef SCTP_NOHEARTBEAT 254 #undef SCTP_NOHEARTBEAT 255 #endif 256 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */ 257 258 259 /* remote error events */ 260 struct sctp_remote_error { 261 uint16_t sre_type; 262 uint16_t sre_flags; 263 uint32_t sre_length; 264 uint16_t sre_error; 265 sctp_assoc_t sre_assoc_id; 266 uint8_t sre_data[4]; 267 }; 268 269 /* data send failure event */ 270 struct sctp_send_failed { 271 uint16_t ssf_type; 272 uint16_t ssf_flags; 273 uint32_t ssf_length; 274 uint32_t ssf_error; 275 struct sctp_sndrcvinfo ssf_info; 276 sctp_assoc_t ssf_assoc_id; 277 uint8_t ssf_data[0]; 278 }; 279 280 /* flag that indicates state of data */ 281 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 282 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 283 284 /* shutdown event */ 285 struct sctp_shutdown_event { 286 uint16_t sse_type; 287 uint16_t sse_flags; 288 uint32_t sse_length; 289 sctp_assoc_t sse_assoc_id; 290 }; 291 292 /* Adaptation layer indication stuff */ 293 struct sctp_adaptation_event { 294 uint16_t sai_type; 295 uint16_t sai_flags; 296 uint32_t sai_length; 297 uint32_t sai_adaptation_ind; 298 sctp_assoc_t sai_assoc_id; 299 }; 300 301 struct sctp_setadaptation { 302 uint32_t ssb_adaptation_ind; 303 }; 304 305 /* compatable old spelling */ 306 struct sctp_adaption_event { 307 uint16_t sai_type; 308 uint16_t sai_flags; 309 uint32_t sai_length; 310 uint32_t sai_adaption_ind; 311 sctp_assoc_t sai_assoc_id; 312 }; 313 314 struct sctp_setadaption { 315 uint32_t ssb_adaption_ind; 316 }; 317 318 319 /* 320 * Partial Delivery API event 321 */ 322 struct sctp_pdapi_event { 323 uint16_t pdapi_type; 324 uint16_t pdapi_flags; 325 uint32_t pdapi_length; 326 uint32_t pdapi_indication; 327 uint16_t pdapi_stream; 328 uint16_t pdapi_seq; 329 sctp_assoc_t pdapi_assoc_id; 330 }; 331 332 /* indication values */ 333 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 334 335 336 /* 337 * authentication key event 338 */ 339 struct sctp_authkey_event { 340 uint16_t auth_type; 341 uint16_t auth_flags; 342 uint32_t auth_length; 343 uint16_t auth_keynumber; 344 uint16_t auth_altkeynumber; 345 uint32_t auth_indication; 346 sctp_assoc_t auth_assoc_id; 347 }; 348 349 /* indication values */ 350 #define SCTP_AUTH_NEWKEY 0x0001 351 #define SCTP_AUTH_NO_AUTH 0x0002 352 #define SCTP_AUTH_FREE_KEY 0x0003 353 354 355 struct sctp_sender_dry_event { 356 uint16_t sender_dry_type; 357 uint16_t sender_dry_flags; 358 uint32_t sender_dry_length; 359 sctp_assoc_t sender_dry_assoc_id; 360 }; 361 362 363 /* 364 * stream reset event 365 */ 366 struct sctp_stream_reset_event { 367 uint16_t strreset_type; 368 uint16_t strreset_flags; 369 uint32_t strreset_length; 370 sctp_assoc_t strreset_assoc_id; 371 uint16_t strreset_list[0]; 372 }; 373 374 /* flags in strreset_flags field */ 375 #define SCTP_STRRESET_INBOUND_STR 0x0001 376 #define SCTP_STRRESET_OUTBOUND_STR 0x0002 377 #define SCTP_STRRESET_ALL_STREAMS 0x0004 378 #define SCTP_STRRESET_STREAM_LIST 0x0008 379 #define SCTP_STRRESET_FAILED 0x0010 380 #define SCTP_STRRESET_ADD_STREAM 0x0020 381 382 /* SCTP notification event */ 383 struct sctp_tlv { 384 uint16_t sn_type; 385 uint16_t sn_flags; 386 uint32_t sn_length; 387 }; 388 389 union sctp_notification { 390 struct sctp_tlv sn_header; 391 struct sctp_assoc_change sn_assoc_change; 392 struct sctp_paddr_change sn_paddr_change; 393 struct sctp_remote_error sn_remote_error; 394 struct sctp_send_failed sn_send_failed; 395 struct sctp_shutdown_event sn_shutdown_event; 396 struct sctp_adaptation_event sn_adaptation_event; 397 /* compatability same as above */ 398 struct sctp_adaption_event sn_adaption_event; 399 struct sctp_pdapi_event sn_pdapi_event; 400 struct sctp_authkey_event sn_auth_event; 401 struct sctp_sender_dry_event sn_sender_dry_event; 402 struct sctp_stream_reset_event sn_strreset_event; 403 }; 404 405 /* notification types */ 406 #define SCTP_ASSOC_CHANGE 0x0001 407 #define SCTP_PEER_ADDR_CHANGE 0x0002 408 #define SCTP_REMOTE_ERROR 0x0003 409 #define SCTP_SEND_FAILED 0x0004 410 #define SCTP_SHUTDOWN_EVENT 0x0005 411 #define SCTP_ADAPTATION_INDICATION 0x0006 412 /* same as above */ 413 #define SCTP_ADAPTION_INDICATION 0x0006 414 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 415 #define SCTP_AUTHENTICATION_EVENT 0x0008 416 #define SCTP_STREAM_RESET_EVENT 0x0009 417 #define SCTP_SENDER_DRY_EVENT 0x000a 418 419 /* 420 * socket option structs 421 */ 422 423 struct sctp_paddrparams { 424 struct sockaddr_storage spp_address; 425 sctp_assoc_t spp_assoc_id; 426 uint32_t spp_hbinterval; 427 uint32_t spp_pathmtu; 428 uint32_t spp_flags; 429 uint32_t spp_ipv6_flowlabel; 430 uint16_t spp_pathmaxrxt; 431 uint8_t spp_ipv4_tos; 432 }; 433 434 #define SPP_HB_ENABLE 0x00000001 435 #define SPP_HB_DISABLE 0x00000002 436 #define SPP_HB_DEMAND 0x00000004 437 #define SPP_PMTUD_ENABLE 0x00000008 438 #define SPP_PMTUD_DISABLE 0x00000010 439 #define SPP_HB_TIME_IS_ZERO 0x00000080 440 #define SPP_IPV6_FLOWLABEL 0x00000100 441 #define SPP_IPV4_TOS 0x00000200 442 443 struct sctp_paddrinfo { 444 struct sockaddr_storage spinfo_address; 445 sctp_assoc_t spinfo_assoc_id; 446 int32_t spinfo_state; 447 uint32_t spinfo_cwnd; 448 uint32_t spinfo_srtt; 449 uint32_t spinfo_rto; 450 uint32_t spinfo_mtu; 451 }; 452 453 struct sctp_rtoinfo { 454 sctp_assoc_t srto_assoc_id; 455 uint32_t srto_initial; 456 uint32_t srto_max; 457 uint32_t srto_min; 458 }; 459 460 struct sctp_assocparams { 461 sctp_assoc_t sasoc_assoc_id; 462 uint32_t sasoc_peer_rwnd; 463 uint32_t sasoc_local_rwnd; 464 uint32_t sasoc_cookie_life; 465 uint16_t sasoc_asocmaxrxt; 466 uint16_t sasoc_number_peer_destinations; 467 }; 468 469 struct sctp_setprim { 470 struct sockaddr_storage ssp_addr; 471 sctp_assoc_t ssp_assoc_id; 472 uint8_t ssp_padding[4]; 473 }; 474 475 struct sctp_setpeerprim { 476 struct sockaddr_storage sspp_addr; 477 sctp_assoc_t sspp_assoc_id; 478 uint8_t sspp_padding[4]; 479 }; 480 481 struct sctp_getaddresses { 482 sctp_assoc_t sget_assoc_id; 483 /* addr is filled in for N * sockaddr_storage */ 484 struct sockaddr addr[1]; 485 }; 486 487 struct sctp_setstrm_timeout { 488 sctp_assoc_t ssto_assoc_id; 489 uint32_t ssto_timeout; 490 uint32_t ssto_streamid_start; 491 uint32_t ssto_streamid_end; 492 }; 493 494 struct sctp_status { 495 sctp_assoc_t sstat_assoc_id; 496 int32_t sstat_state; 497 uint32_t sstat_rwnd; 498 uint16_t sstat_unackdata; 499 uint16_t sstat_penddata; 500 uint16_t sstat_instrms; 501 uint16_t sstat_outstrms; 502 uint32_t sstat_fragmentation_point; 503 struct sctp_paddrinfo sstat_primary; 504 }; 505 506 /* 507 * AUTHENTICATION support 508 */ 509 /* SCTP_AUTH_CHUNK */ 510 struct sctp_authchunk { 511 uint8_t sauth_chunk; 512 }; 513 514 /* SCTP_AUTH_KEY */ 515 struct sctp_authkey { 516 sctp_assoc_t sca_assoc_id; 517 uint16_t sca_keynumber; 518 uint8_t sca_key[0]; 519 }; 520 521 /* SCTP_HMAC_IDENT */ 522 struct sctp_hmacalgo { 523 uint32_t shmac_number_of_idents; 524 uint16_t shmac_idents[0]; 525 }; 526 527 /* AUTH hmac_id */ 528 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 529 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 530 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ 531 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 532 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004 533 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005 534 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006 535 536 537 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 538 struct sctp_authkeyid { 539 sctp_assoc_t scact_assoc_id; 540 uint16_t scact_keynumber; 541 }; 542 543 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 544 struct sctp_authchunks { 545 sctp_assoc_t gauth_assoc_id; 546 uint8_t gauth_chunks[0]; 547 }; 548 549 struct sctp_assoc_value { 550 sctp_assoc_t assoc_id; 551 uint32_t assoc_value; 552 }; 553 554 struct sctp_assoc_ids { 555 uint32_t gaids_number_of_ids; 556 sctp_assoc_t gaids_assoc_id[0]; 557 }; 558 559 struct sctp_sack_info { 560 sctp_assoc_t sack_assoc_id; 561 uint32_t sack_delay; 562 uint32_t sack_freq; 563 }; 564 565 struct sctp_cwnd_args { 566 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 567 uint32_t cwnd_new_value;/* cwnd in k */ 568 uint32_t inflight; /* flightsize in k */ 569 uint32_t pseudo_cumack; 570 uint32_t cwnd_augment; /* increment to it */ 571 uint8_t meets_pseudo_cumack; 572 uint8_t need_new_pseudo_cumack; 573 uint8_t cnt_in_send; 574 uint8_t cnt_in_str; 575 }; 576 577 struct sctp_blk_args { 578 uint32_t onsb; /* in 1k bytes */ 579 uint32_t sndlen; /* len of send being attempted */ 580 uint32_t peer_rwnd; /* rwnd of peer */ 581 uint16_t send_sent_qcnt;/* chnk cnt */ 582 uint16_t stream_qcnt; /* chnk cnt */ 583 uint16_t chunks_on_oque;/* chunks out */ 584 uint16_t flight_size; /* flight size in k */ 585 }; 586 587 /* 588 * Max we can reset in one setting, note this is dictated not by the define 589 * but the size of a mbuf cluster so don't change this define and think you 590 * can specify more. You must do multiple resets if you want to reset more 591 * than SCTP_MAX_EXPLICIT_STR_RESET. 592 */ 593 #define SCTP_MAX_EXPLICT_STR_RESET 1000 594 595 #define SCTP_RESET_LOCAL_RECV 0x0001 596 #define SCTP_RESET_LOCAL_SEND 0x0002 597 #define SCTP_RESET_BOTH 0x0003 598 #define SCTP_RESET_TSN 0x0004 599 #define SCTP_RESET_ADD_STREAMS 0x0005 600 601 struct sctp_stream_reset { 602 sctp_assoc_t strrst_assoc_id; 603 uint16_t strrst_flags; 604 uint16_t strrst_num_streams; /* 0 == ALL */ 605 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */ 606 }; 607 608 609 struct sctp_get_nonce_values { 610 sctp_assoc_t gn_assoc_id; 611 uint32_t gn_peers_tag; 612 uint32_t gn_local_tag; 613 }; 614 615 /* Debugging logs */ 616 struct sctp_str_log { 617 void *stcb; /* FIXME: LP64 issue */ 618 uint32_t n_tsn; 619 uint32_t e_tsn; 620 uint16_t n_sseq; 621 uint16_t e_sseq; 622 uint16_t strm; 623 }; 624 625 struct sctp_sb_log { 626 void *stcb; /* FIXME: LP64 issue */ 627 uint32_t so_sbcc; 628 uint32_t stcb_sbcc; 629 uint32_t incr; 630 }; 631 632 struct sctp_fr_log { 633 uint32_t largest_tsn; 634 uint32_t largest_new_tsn; 635 uint32_t tsn; 636 }; 637 638 struct sctp_fr_map { 639 uint32_t base; 640 uint32_t cum; 641 uint32_t high; 642 }; 643 644 struct sctp_rwnd_log { 645 uint32_t rwnd; 646 uint32_t send_size; 647 uint32_t overhead; 648 uint32_t new_rwnd; 649 }; 650 651 struct sctp_mbcnt_log { 652 uint32_t total_queue_size; 653 uint32_t size_change; 654 uint32_t total_queue_mb_size; 655 uint32_t mbcnt_change; 656 }; 657 658 struct sctp_sack_log { 659 uint32_t cumack; 660 uint32_t oldcumack; 661 uint32_t tsn; 662 uint16_t numGaps; 663 uint16_t numDups; 664 }; 665 666 struct sctp_lock_log { 667 void *sock; /* FIXME: LP64 issue */ 668 void *inp; /* FIXME: LP64 issue */ 669 uint8_t tcb_lock; 670 uint8_t inp_lock; 671 uint8_t info_lock; 672 uint8_t sock_lock; 673 uint8_t sockrcvbuf_lock; 674 uint8_t socksndbuf_lock; 675 uint8_t create_lock; 676 uint8_t resv; 677 }; 678 679 struct sctp_rto_log { 680 void *net; /* FIXME: LP64 issue */ 681 uint32_t rtt; 682 }; 683 684 struct sctp_nagle_log { 685 void *stcb; /* FIXME: LP64 issue */ 686 uint32_t total_flight; 687 uint32_t total_in_queue; 688 uint16_t count_in_queue; 689 uint16_t count_in_flight; 690 }; 691 692 struct sctp_sbwake_log { 693 void *stcb; /* FIXME: LP64 issue */ 694 uint16_t send_q; 695 uint16_t sent_q; 696 uint16_t flight; 697 uint16_t wake_cnt; 698 uint8_t stream_qcnt; /* chnk cnt */ 699 uint8_t chunks_on_oque; /* chunks out */ 700 uint8_t sbflags; 701 uint8_t sctpflags; 702 }; 703 704 struct sctp_misc_info { 705 uint32_t log1; 706 uint32_t log2; 707 uint32_t log3; 708 uint32_t log4; 709 }; 710 711 struct sctp_log_closing { 712 void *inp; /* FIXME: LP64 issue */ 713 void *stcb; /* FIXME: LP64 issue */ 714 uint32_t sctp_flags; 715 uint16_t state; 716 int16_t loc; 717 }; 718 719 struct sctp_mbuf_log { 720 struct mbuf *mp; /* FIXME: LP64 issue */ 721 caddr_t ext; 722 caddr_t data; 723 uint16_t size; 724 uint8_t refcnt; 725 uint8_t mbuf_flags; 726 }; 727 728 struct sctp_cwnd_log { 729 uint64_t time_event; 730 uint8_t from; 731 uint8_t event_type; 732 uint8_t resv[2]; 733 union { 734 struct sctp_log_closing close; 735 struct sctp_blk_args blk; 736 struct sctp_cwnd_args cwnd; 737 struct sctp_str_log strlog; 738 struct sctp_fr_log fr; 739 struct sctp_fr_map map; 740 struct sctp_rwnd_log rwnd; 741 struct sctp_mbcnt_log mbcnt; 742 struct sctp_sack_log sack; 743 struct sctp_lock_log lock; 744 struct sctp_rto_log rto; 745 struct sctp_sb_log sb; 746 struct sctp_nagle_log nagle; 747 struct sctp_sbwake_log wake; 748 struct sctp_mbuf_log mb; 749 struct sctp_misc_info misc; 750 } x; 751 }; 752 753 struct sctp_cwnd_log_req { 754 int32_t num_in_log; /* Number in log */ 755 int32_t num_ret; /* Number returned */ 756 int32_t start_at; /* start at this one */ 757 int32_t end_at; /* end at this one */ 758 struct sctp_cwnd_log log[0]; 759 }; 760 761 struct sctp_timeval { 762 uint32_t tv_sec; 763 uint32_t tv_usec; 764 }; 765 766 struct sctpstat { 767 /* MIB according to RFC 3873 */ 768 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 769 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 770 uint32_t sctps_restartestab; 771 uint32_t sctps_collisionestab; 772 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 773 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 774 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 775 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 776 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 777 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 778 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 779 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 780 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 781 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 782 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 783 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 784 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 785 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 786 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 787 788 /* input statistics: */ 789 uint32_t sctps_recvpackets; /* total input packets */ 790 uint32_t sctps_recvdatagrams; /* total input datagrams */ 791 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 792 uint32_t sctps_recvsacks; /* total input SACK chunks */ 793 uint32_t sctps_recvdata;/* total input DATA chunks */ 794 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 795 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 796 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 797 uint32_t sctps_recvecne;/* total input ECNE chunks */ 798 uint32_t sctps_recvauth;/* total input AUTH chunks */ 799 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 800 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 801 * received */ 802 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 803 * received */ 804 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 805 uint32_t sctps_recvexpress; /* total fast path receives all one 806 * chunk */ 807 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 808 uint32_t sctps_recvnocrc; 809 uint32_t sctps_recvswcrc; 810 uint32_t sctps_recvhwcrc; 811 812 /* output statistics: */ 813 uint32_t sctps_sendpackets; /* total output packets */ 814 uint32_t sctps_sendsacks; /* total output SACKs */ 815 uint32_t sctps_senddata;/* total output DATA chunks */ 816 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 817 * chunks */ 818 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 819 * DATA chunks */ 820 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 821 * more than once to same 822 * chunk (u-del multi-fr 823 * algo). */ 824 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 825 uint32_t sctps_sendecne;/* total output ECNE chunks */ 826 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 827 uint32_t sctps_senderrors; /* ip_output error counter */ 828 uint32_t sctps_sendnocrc; 829 uint32_t sctps_sendswcrc; 830 uint32_t sctps_sendhwcrc; 831 /* PCKDROPREP statistics: */ 832 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 833 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 834 uint32_t sctps_pdrpmbda;/* P-drops with data */ 835 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 836 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 837 * only */ 838 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 839 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 840 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 841 * said break */ 842 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 843 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 844 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 845 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 846 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 847 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 848 /* timeouts */ 849 uint32_t sctps_timoiterator; /* Number of iterator timers that 850 * fired */ 851 uint32_t sctps_timodata;/* Number of T3 data time outs */ 852 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 853 * that fired */ 854 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 855 uint32_t sctps_timosack;/* Number of sack timers that fired */ 856 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 857 * fired */ 858 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 859 * fired */ 860 uint32_t sctps_timocookie; /* Number of times a cookie timeout 861 * fired */ 862 uint32_t sctps_timosecret; /* Number of times an endpoint changed 863 * its cookie secret */ 864 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 865 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 866 * fired */ 867 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 868 * timers that fired */ 869 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 870 * fired */ 871 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 872 * fired */ 873 uint32_t sctps_timoasconf; /* Number of times an asconf timer 874 * fired */ 875 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 876 * timer fired */ 877 uint32_t sctps_timoautoclose; /* Number of times auto close timer 878 * fired */ 879 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 880 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 881 /* Early fast retransmission counters */ 882 uint32_t sctps_earlyfrstart; 883 uint32_t sctps_earlyfrstop; 884 uint32_t sctps_earlyfrmrkretrans; 885 uint32_t sctps_earlyfrstpout; 886 uint32_t sctps_earlyfrstpidsck1; 887 uint32_t sctps_earlyfrstpidsck2; 888 uint32_t sctps_earlyfrstpidsck3; 889 uint32_t sctps_earlyfrstpidsck4; 890 uint32_t sctps_earlyfrstrid; 891 uint32_t sctps_earlyfrstrout; 892 uint32_t sctps_earlyfrstrtmr; 893 /* otheres */ 894 uint32_t sctps_hdrops; /* packet shorter than header */ 895 uint32_t sctps_badsum; /* checksum error */ 896 uint32_t sctps_noport; /* no endpoint for port */ 897 uint32_t sctps_badvtag; /* bad v-tag */ 898 uint32_t sctps_badsid; /* bad SID */ 899 uint32_t sctps_nomem; /* no memory */ 900 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 901 * RTT window */ 902 uint32_t sctps_markedretrans; 903 uint32_t sctps_naglesent; /* nagle allowed sending */ 904 uint32_t sctps_naglequeued; /* nagle does't allow sending */ 905 uint32_t sctps_maxburstqueued; /* max burst dosn't allow sending */ 906 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 907 * interface ring buffer OR we had a 908 * send error and are queuing one 909 * send. */ 910 uint32_t sctps_windowprobed; /* total number of window probes sent */ 911 uint32_t sctps_lowlevelerr; /* total times an output error causes 912 * us to clamp down on next user send. */ 913 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 914 * caused from a user send from a user 915 * invoked send not a sack response */ 916 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 917 * chunk limit reached */ 918 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 919 * limit reached */ 920 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 921 * cwnd */ 922 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 923 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 924 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 925 * of user data on primary */ 926 uint32_t sctps_cmt_randry; /* Same for above */ 927 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 928 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 929 uint32_t sctps_sends_with_flags; /* number of sends with 930 * sinfo_flags !=0 */ 931 uint32_t sctps_sends_with_unord /* number of undordered sends */ ; 932 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 933 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 934 * flag set */ 935 uint32_t sctps_protocol_drain_calls; /* number of times protocol 936 * drain called */ 937 uint32_t sctps_protocol_drains_done; /* number of times we did a 938 * protocol drain */ 939 uint32_t sctps_read_peeks; /* Number of times recv was called 940 * with peek */ 941 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 942 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 943 uint32_t sctps_left_abandon; /* Number of unread message abandonded 944 * by close */ 945 uint32_t sctps_send_burst_avoid; /* Unused */ 946 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 947 * max burst inflight to net */ 948 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 949 * fwd-tsn's */ 950 951 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 952 * (TimeStamp) */ 953 }; 954 955 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 956 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 957 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 958 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 959 960 /* The following macros are for handling MIB values, */ 961 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 962 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 963 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 964 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 965 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 966 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 967 968 union sctp_sockstore { 969 #if defined(INET) || !defined(_KERNEL) 970 struct sockaddr_in sin; 971 #endif 972 #if defined(INET6) || !defined(_KERNEL) 973 struct sockaddr_in6 sin6; 974 #endif 975 struct sockaddr sa; 976 }; 977 978 struct xsctp_inpcb { 979 uint32_t last; 980 uint32_t flags; 981 uint32_t features; 982 uint32_t total_sends; 983 uint32_t total_recvs; 984 uint32_t total_nospaces; 985 uint32_t fragmentation_point; 986 uint16_t local_port; 987 uint16_t qlen; 988 uint16_t maxqlen; 989 uint32_t extra_padding[8]; /* future */ 990 }; 991 992 struct xsctp_tcb { 993 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 994 uint32_t last; 995 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 996 uint32_t state; /* sctpAssocEntry 8 */ 997 uint32_t in_streams; /* sctpAssocEntry 9 */ 998 uint32_t out_streams; /* sctpAssocEntry 10 */ 999 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1000 uint32_t primary_process; /* sctpAssocEntry 12 */ 1001 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1002 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1003 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1004 uint32_t total_sends; 1005 uint32_t total_recvs; 1006 uint32_t local_tag; 1007 uint32_t remote_tag; 1008 uint32_t initial_tsn; 1009 uint32_t highest_tsn; 1010 uint32_t cumulative_tsn; 1011 uint32_t cumulative_tsn_ack; 1012 uint32_t mtu; 1013 uint32_t refcnt; 1014 uint16_t local_port; /* sctpAssocEntry 3 */ 1015 uint16_t remote_port; /* sctpAssocEntry 4 */ 1016 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1017 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1018 uint32_t peers_rwnd; 1019 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1020 uint32_t extra_padding[8]; /* future */ 1021 }; 1022 1023 struct xsctp_laddr { 1024 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1025 uint32_t last; 1026 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1027 uint32_t extra_padding[8]; /* future */ 1028 }; 1029 1030 struct xsctp_raddr { 1031 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1032 uint32_t last; 1033 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1034 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1035 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1036 uint32_t error_counter; /* */ 1037 uint32_t cwnd; /* */ 1038 uint32_t flight_size; /* */ 1039 uint32_t mtu; /* */ 1040 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1041 uint8_t confirmed; /* */ 1042 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1043 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1044 uint32_t extra_padding[8]; /* future */ 1045 }; 1046 1047 #define SCTP_MAX_LOGGING_SIZE 30000 1048 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1049 1050 struct sctp_log_entry { 1051 uint64_t timestamp; 1052 uint32_t subsys; 1053 uint32_t padding; 1054 uint32_t params[SCTP_TRACE_PARAMS]; 1055 }; 1056 1057 struct sctp_log { 1058 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1059 uint32_t index; 1060 uint32_t padding; 1061 }; 1062 1063 /* 1064 * Kernel defined for sctp_send 1065 */ 1066 #if defined(_KERNEL) || defined(__Userspace__) 1067 int 1068 sctp_lower_sosend(struct socket *so, 1069 struct sockaddr *addr, 1070 struct uio *uio, 1071 struct mbuf *i_pak, 1072 struct mbuf *control, 1073 int flags, 1074 int use_rcvinfo, 1075 struct sctp_sndrcvinfo *srcv 1076 ,struct thread *p 1077 ); 1078 1079 int 1080 sctp_sorecvmsg(struct socket *so, 1081 struct uio *uio, 1082 struct mbuf **mp, 1083 struct sockaddr *from, 1084 int fromlen, 1085 int *msg_flags, 1086 struct sctp_sndrcvinfo *sinfo, 1087 int filling_sinfo); 1088 1089 #endif 1090 1091 /* 1092 * API system calls 1093 */ 1094 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1095 1096 __BEGIN_DECLS 1097 int sctp_peeloff __P((int, sctp_assoc_t)); 1098 int sctp_bindx __P((int, struct sockaddr *, int, int)); 1099 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); 1100 int sctp_getaddrlen __P((sa_family_t)); 1101 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); 1102 void sctp_freepaddrs __P((struct sockaddr *)); 1103 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); 1104 void sctp_freeladdrs __P((struct sockaddr *)); 1105 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); 1106 1107 ssize_t sctp_sendmsg 1108 __P((int, const void *, size_t, 1109 const struct sockaddr *, 1110 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1111 1112 ssize_t sctp_send __P((int sd, const void *msg, size_t len, 1113 const struct sctp_sndrcvinfo *sinfo, int flags)); 1114 1115 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len, 1116 struct sockaddr *addrs, int addrcnt, 1117 struct sctp_sndrcvinfo *sinfo, int flags)); 1118 1119 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, 1120 struct sockaddr *, int, 1121 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); 1122 1123 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa)); 1124 1125 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, 1126 socklen_t *, struct sctp_sndrcvinfo *, int *)); 1127 1128 __END_DECLS 1129 1130 #endif /* !_KERNEL */ 1131 #endif /* !__sctp_uio_h__ */ 1132