1 /*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #ifndef _NETINET_SCTP_UIO_H_ 37 #define _NETINET_SCTP_UIO_H_ 38 39 40 #if ! defined(_KERNEL) 41 #include <stdint.h> 42 #endif 43 #include <sys/types.h> 44 #include <sys/socket.h> 45 #include <netinet/in.h> 46 47 typedef uint32_t sctp_assoc_t; 48 49 #define SCTP_FUTURE_ASSOC 0 50 #define SCTP_CURRENT_ASSOC 1 51 #define SCTP_ALL_ASSOC 2 52 53 struct sctp_event { 54 sctp_assoc_t se_assoc_id; 55 uint16_t se_type; 56 uint8_t se_on; 57 }; 58 59 /* Compatibility to previous define's */ 60 #define sctp_stream_reset_events sctp_stream_reset_event 61 62 /* On/Off setup for subscription to events */ 63 struct sctp_event_subscribe { 64 uint8_t sctp_data_io_event; 65 uint8_t sctp_association_event; 66 uint8_t sctp_address_event; 67 uint8_t sctp_send_failure_event; 68 uint8_t sctp_peer_error_event; 69 uint8_t sctp_shutdown_event; 70 uint8_t sctp_partial_delivery_event; 71 uint8_t sctp_adaptation_layer_event; 72 uint8_t sctp_authentication_event; 73 uint8_t sctp_sender_dry_event; 74 uint8_t sctp_stream_reset_event; 75 }; 76 77 /* ancillary data types */ 78 #define SCTP_INIT 0x0001 79 #define SCTP_SNDRCV 0x0002 80 #define SCTP_EXTRCV 0x0003 81 #define SCTP_SNDINFO 0x0004 82 #define SCTP_RCVINFO 0x0005 83 #define SCTP_NXTINFO 0x0006 84 #define SCTP_PRINFO 0x0007 85 #define SCTP_AUTHINFO 0x0008 86 #define SCTP_DSTADDRV4 0x0009 87 #define SCTP_DSTADDRV6 0x000a 88 89 /* 90 * ancillary data structures 91 */ 92 struct sctp_initmsg { 93 uint16_t sinit_num_ostreams; 94 uint16_t sinit_max_instreams; 95 uint16_t sinit_max_attempts; 96 uint16_t sinit_max_init_timeo; 97 }; 98 99 /* We add 96 bytes to the size of sctp_sndrcvinfo. 100 * This makes the current structure 128 bytes long 101 * which is nicely 64 bit aligned but also has room 102 * for us to add more and keep ABI compatibility. 103 * For example, already we have the sctp_extrcvinfo 104 * when enabled which is 48 bytes. 105 */ 106 107 /* 108 * The assoc up needs a verfid 109 * all sendrcvinfo's need a verfid for SENDING only. 110 */ 111 112 113 #define SCTP_ALIGN_RESV_PAD 92 114 #define SCTP_ALIGN_RESV_PAD_SHORT 76 115 116 struct sctp_sndrcvinfo { 117 uint16_t sinfo_stream; 118 uint16_t sinfo_ssn; 119 uint16_t sinfo_flags; 120 uint32_t sinfo_ppid; 121 uint32_t sinfo_context; 122 uint32_t sinfo_timetolive; 123 uint32_t sinfo_tsn; 124 uint32_t sinfo_cumtsn; 125 sctp_assoc_t sinfo_assoc_id; 126 uint16_t sinfo_keynumber; 127 uint16_t sinfo_keynumber_valid; 128 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 129 }; 130 131 struct sctp_extrcvinfo { 132 uint16_t sinfo_stream; 133 uint16_t sinfo_ssn; 134 uint16_t sinfo_flags; 135 uint32_t sinfo_ppid; 136 uint32_t sinfo_context; 137 uint32_t sinfo_timetolive; 138 uint32_t sinfo_tsn; 139 uint32_t sinfo_cumtsn; 140 sctp_assoc_t sinfo_assoc_id; 141 uint16_t sreinfo_next_flags; 142 uint16_t sreinfo_next_stream; 143 uint32_t sreinfo_next_aid; 144 uint32_t sreinfo_next_length; 145 uint32_t sreinfo_next_ppid; 146 uint16_t sinfo_keynumber; 147 uint16_t sinfo_keynumber_valid; 148 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 149 }; 150 151 struct sctp_sndinfo { 152 uint16_t snd_sid; 153 uint16_t snd_flags; 154 uint32_t snd_ppid; 155 uint32_t snd_context; 156 sctp_assoc_t snd_assoc_id; 157 }; 158 159 struct sctp_prinfo { 160 uint16_t pr_policy; 161 uint32_t pr_value; 162 }; 163 164 struct sctp_default_prinfo { 165 uint16_t pr_policy; 166 uint32_t pr_value; 167 sctp_assoc_t pr_assoc_id; 168 }; 169 170 struct sctp_authinfo { 171 uint16_t auth_keynumber; 172 }; 173 174 struct sctp_rcvinfo { 175 uint16_t rcv_sid; 176 uint16_t rcv_ssn; 177 uint16_t rcv_flags; 178 uint32_t rcv_ppid; 179 uint32_t rcv_tsn; 180 uint32_t rcv_cumtsn; 181 uint32_t rcv_context; 182 sctp_assoc_t rcv_assoc_id; 183 }; 184 185 struct sctp_nxtinfo { 186 uint16_t nxt_sid; 187 uint16_t nxt_flags; 188 uint32_t nxt_ppid; 189 uint32_t nxt_length; 190 sctp_assoc_t nxt_assoc_id; 191 }; 192 193 #define SCTP_NO_NEXT_MSG 0x0000 194 #define SCTP_NEXT_MSG_AVAIL 0x0001 195 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 196 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 197 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 198 199 struct sctp_recvv_rn { 200 struct sctp_rcvinfo recvv_rcvinfo; 201 struct sctp_nxtinfo recvv_nxtinfo; 202 }; 203 204 #define SCTP_RECVV_NOINFO 0 205 #define SCTP_RECVV_RCVINFO 1 206 #define SCTP_RECVV_NXTINFO 2 207 #define SCTP_RECVV_RN 3 208 209 #define SCTP_SENDV_NOINFO 0 210 #define SCTP_SENDV_SNDINFO 1 211 #define SCTP_SENDV_PRINFO 2 212 #define SCTP_SENDV_AUTHINFO 3 213 #define SCTP_SENDV_SPA 4 214 215 struct sctp_sendv_spa { 216 uint32_t sendv_flags; 217 struct sctp_sndinfo sendv_sndinfo; 218 struct sctp_prinfo sendv_prinfo; 219 struct sctp_authinfo sendv_authinfo; 220 }; 221 222 #define SCTP_SEND_SNDINFO_VALID 0x00000001 223 #define SCTP_SEND_PRINFO_VALID 0x00000002 224 #define SCTP_SEND_AUTHINFO_VALID 0x00000004 225 226 struct sctp_snd_all_completes { 227 uint16_t sall_stream; 228 uint16_t sall_flags; 229 uint32_t sall_ppid; 230 uint32_t sall_context; 231 uint32_t sall_num_sent; 232 uint32_t sall_num_failed; 233 }; 234 235 /* Flags that go into the sinfo->sinfo_flags field */ 236 #define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ 237 #define SCTP_COMPLETE 0x0020 /* next message is complete */ 238 #define SCTP_EOF 0x0100 /* Start shutdown procedures */ 239 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 240 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 241 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 242 #define SCTP_SENDALL 0x1000 /* Send this on all associations */ 243 #define SCTP_EOR 0x2000 /* end of message signal */ 244 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 245 246 #define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ 247 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 248 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 249 SCTP_SACK_IMMEDIATELY)) != 0) 250 /* for the endpoint */ 251 252 /* The lower byte is an enumeration of PR-SCTP policies */ 253 #define SCTP_PR_SCTP_NONE 0x0000/* Reliable transfer */ 254 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ 255 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ 256 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ 257 258 #define PR_SCTP_POLICY(x) ((x) & 0x0f) 259 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) 260 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 261 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 262 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 263 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) 264 /* Stat's */ 265 struct sctp_pcbinfo { 266 uint32_t ep_count; 267 uint32_t asoc_count; 268 uint32_t laddr_count; 269 uint32_t raddr_count; 270 uint32_t chk_count; 271 uint32_t readq_count; 272 uint32_t free_chunks; 273 uint32_t stream_oque; 274 }; 275 276 struct sctp_sockstat { 277 sctp_assoc_t ss_assoc_id; 278 uint32_t ss_total_sndbuf; 279 uint32_t ss_total_recv_buf; 280 }; 281 282 /* 283 * notification event structures 284 */ 285 286 /* 287 * association change event 288 */ 289 struct sctp_assoc_change { 290 uint16_t sac_type; 291 uint16_t sac_flags; 292 uint32_t sac_length; 293 uint16_t sac_state; 294 uint16_t sac_error; 295 uint16_t sac_outbound_streams; 296 uint16_t sac_inbound_streams; 297 sctp_assoc_t sac_assoc_id; 298 uint8_t sac_info[]; 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 /* sac_info values */ 309 #define SCTP_ASSOC_SUPPORTS_PR 0x01 310 #define SCTP_ASSOC_SUPPORTS_AUTH 0x02 311 #define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 312 #define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 313 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 314 #define SCTP_ASSOC_SUPPORTS_MAX 0x05 315 /* 316 * Address event 317 */ 318 struct sctp_paddr_change { 319 uint16_t spc_type; 320 uint16_t spc_flags; 321 uint32_t spc_length; 322 struct sockaddr_storage spc_aaddr; 323 uint32_t spc_state; 324 uint32_t spc_error; 325 sctp_assoc_t spc_assoc_id; 326 uint8_t spc_padding[4]; 327 }; 328 329 /* paddr state values */ 330 #define SCTP_ADDR_AVAILABLE 0x0001 331 #define SCTP_ADDR_UNREACHABLE 0x0002 332 #define SCTP_ADDR_REMOVED 0x0003 333 #define SCTP_ADDR_ADDED 0x0004 334 #define SCTP_ADDR_MADE_PRIM 0x0005 335 #define SCTP_ADDR_CONFIRMED 0x0006 336 337 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 338 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor 339 * SCTP_ADDR_UNCONFIRMED */ 340 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 341 342 /* remote error events */ 343 struct sctp_remote_error { 344 uint16_t sre_type; 345 uint16_t sre_flags; 346 uint32_t sre_length; 347 uint16_t sre_error; 348 sctp_assoc_t sre_assoc_id; 349 uint8_t sre_data[4]; 350 }; 351 352 /* data send failure event (deprecated) */ 353 struct sctp_send_failed { 354 uint16_t ssf_type; 355 uint16_t ssf_flags; 356 uint32_t ssf_length; 357 uint32_t ssf_error; 358 struct sctp_sndrcvinfo ssf_info; 359 sctp_assoc_t ssf_assoc_id; 360 uint8_t ssf_data[]; 361 }; 362 363 /* data send failure event (not deprecated) */ 364 struct sctp_send_failed_event { 365 uint16_t ssfe_type; 366 uint16_t ssfe_flags; 367 uint32_t ssfe_length; 368 uint32_t ssfe_error; 369 struct sctp_sndinfo ssfe_info; 370 sctp_assoc_t ssfe_assoc_id; 371 uint8_t ssfe_data[]; 372 }; 373 374 /* flag that indicates state of data */ 375 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 376 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 377 378 /* shutdown event */ 379 struct sctp_shutdown_event { 380 uint16_t sse_type; 381 uint16_t sse_flags; 382 uint32_t sse_length; 383 sctp_assoc_t sse_assoc_id; 384 }; 385 386 /* Adaptation layer indication stuff */ 387 struct sctp_adaptation_event { 388 uint16_t sai_type; 389 uint16_t sai_flags; 390 uint32_t sai_length; 391 uint32_t sai_adaptation_ind; 392 sctp_assoc_t sai_assoc_id; 393 }; 394 395 struct sctp_setadaptation { 396 uint32_t ssb_adaptation_ind; 397 }; 398 399 /* compatible old spelling */ 400 struct sctp_adaption_event { 401 uint16_t sai_type; 402 uint16_t sai_flags; 403 uint32_t sai_length; 404 uint32_t sai_adaption_ind; 405 sctp_assoc_t sai_assoc_id; 406 }; 407 408 struct sctp_setadaption { 409 uint32_t ssb_adaption_ind; 410 }; 411 412 413 /* 414 * Partial Delivery API event 415 */ 416 struct sctp_pdapi_event { 417 uint16_t pdapi_type; 418 uint16_t pdapi_flags; 419 uint32_t pdapi_length; 420 uint32_t pdapi_indication; 421 uint16_t pdapi_stream; 422 uint16_t pdapi_seq; 423 sctp_assoc_t pdapi_assoc_id; 424 }; 425 426 /* indication values */ 427 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 428 429 430 /* 431 * authentication key event 432 */ 433 struct sctp_authkey_event { 434 uint16_t auth_type; 435 uint16_t auth_flags; 436 uint32_t auth_length; 437 uint16_t auth_keynumber; 438 uint16_t auth_altkeynumber; 439 uint32_t auth_indication; 440 sctp_assoc_t auth_assoc_id; 441 }; 442 443 /* indication values */ 444 #define SCTP_AUTH_NEW_KEY 0x0001 445 #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 446 #define SCTP_AUTH_NO_AUTH 0x0002 447 #define SCTP_AUTH_FREE_KEY 0x0003 448 449 450 struct sctp_sender_dry_event { 451 uint16_t sender_dry_type; 452 uint16_t sender_dry_flags; 453 uint32_t sender_dry_length; 454 sctp_assoc_t sender_dry_assoc_id; 455 }; 456 457 458 /* 459 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 460 */ 461 struct sctp_stream_reset_event { 462 uint16_t strreset_type; 463 uint16_t strreset_flags; 464 uint32_t strreset_length; 465 sctp_assoc_t strreset_assoc_id; 466 uint16_t strreset_stream_list[]; 467 }; 468 469 /* flags in stream_reset_event (strreset_flags) */ 470 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 471 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 472 #define SCTP_STREAM_RESET_DENIED 0x0004 473 #define SCTP_STREAM_RESET_FAILED 0x0008 474 475 /* 476 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 477 */ 478 struct sctp_assoc_reset_event { 479 uint16_t assocreset_type; 480 uint16_t assocreset_flags; 481 uint32_t assocreset_length; 482 sctp_assoc_t assocreset_assoc_id; 483 uint32_t assocreset_local_tsn; 484 uint32_t assocreset_remote_tsn; 485 }; 486 487 #define SCTP_ASSOC_RESET_DENIED 0x0004 488 #define SCTP_ASSOC_RESET_FAILED 0x0008 489 490 /* 491 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 492 */ 493 struct sctp_stream_change_event { 494 uint16_t strchange_type; 495 uint16_t strchange_flags; 496 uint32_t strchange_length; 497 sctp_assoc_t strchange_assoc_id; 498 uint16_t strchange_instrms; 499 uint16_t strchange_outstrms; 500 }; 501 502 #define SCTP_STREAM_CHANGE_DENIED 0x0004 503 #define SCTP_STREAM_CHANGE_FAILED 0x0008 504 505 506 /* SCTP notification event */ 507 struct sctp_tlv { 508 uint16_t sn_type; 509 uint16_t sn_flags; 510 uint32_t sn_length; 511 }; 512 513 union sctp_notification { 514 struct sctp_tlv sn_header; 515 struct sctp_assoc_change sn_assoc_change; 516 struct sctp_paddr_change sn_paddr_change; 517 struct sctp_remote_error sn_remote_error; 518 struct sctp_send_failed sn_send_failed; 519 struct sctp_shutdown_event sn_shutdown_event; 520 struct sctp_adaptation_event sn_adaptation_event; 521 /* compatibility same as above */ 522 struct sctp_adaption_event sn_adaption_event; 523 struct sctp_pdapi_event sn_pdapi_event; 524 struct sctp_authkey_event sn_auth_event; 525 struct sctp_sender_dry_event sn_sender_dry_event; 526 struct sctp_send_failed_event sn_send_failed_event; 527 struct sctp_stream_reset_event sn_strreset_event; 528 struct sctp_assoc_reset_event sn_assocreset_event; 529 struct sctp_stream_change_event sn_strchange_event; 530 }; 531 532 /* notification types */ 533 #define SCTP_ASSOC_CHANGE 0x0001 534 #define SCTP_PEER_ADDR_CHANGE 0x0002 535 #define SCTP_REMOTE_ERROR 0x0003 536 #define SCTP_SEND_FAILED 0x0004 537 #define SCTP_SHUTDOWN_EVENT 0x0005 538 #define SCTP_ADAPTATION_INDICATION 0x0006 539 /* same as above */ 540 #define SCTP_ADAPTION_INDICATION 0x0006 541 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 542 #define SCTP_AUTHENTICATION_EVENT 0x0008 543 #define SCTP_STREAM_RESET_EVENT 0x0009 544 #define SCTP_SENDER_DRY_EVENT 0x000a 545 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */ 546 #define SCTP_ASSOC_RESET_EVENT 0x000c 547 #define SCTP_STREAM_CHANGE_EVENT 0x000d 548 #define SCTP_SEND_FAILED_EVENT 0x000e 549 /* 550 * socket option structs 551 */ 552 553 struct sctp_paddrparams { 554 struct sockaddr_storage spp_address; 555 sctp_assoc_t spp_assoc_id; 556 uint32_t spp_hbinterval; 557 uint32_t spp_pathmtu; 558 uint32_t spp_flags; 559 uint32_t spp_ipv6_flowlabel; 560 uint16_t spp_pathmaxrxt; 561 uint8_t spp_dscp; 562 }; 563 564 #define spp_ipv4_tos spp_dscp 565 566 #define SPP_HB_ENABLE 0x00000001 567 #define SPP_HB_DISABLE 0x00000002 568 #define SPP_HB_DEMAND 0x00000004 569 #define SPP_PMTUD_ENABLE 0x00000008 570 #define SPP_PMTUD_DISABLE 0x00000010 571 #define SPP_HB_TIME_IS_ZERO 0x00000080 572 #define SPP_IPV6_FLOWLABEL 0x00000100 573 #define SPP_DSCP 0x00000200 574 #define SPP_IPV4_TOS SPP_DSCP 575 576 struct sctp_paddrthlds { 577 struct sockaddr_storage spt_address; 578 sctp_assoc_t spt_assoc_id; 579 uint16_t spt_pathmaxrxt; 580 uint16_t spt_pathpfthld; 581 }; 582 583 struct sctp_paddrinfo { 584 struct sockaddr_storage spinfo_address; 585 sctp_assoc_t spinfo_assoc_id; 586 int32_t spinfo_state; 587 uint32_t spinfo_cwnd; 588 uint32_t spinfo_srtt; 589 uint32_t spinfo_rto; 590 uint32_t spinfo_mtu; 591 }; 592 593 struct sctp_rtoinfo { 594 sctp_assoc_t srto_assoc_id; 595 uint32_t srto_initial; 596 uint32_t srto_max; 597 uint32_t srto_min; 598 }; 599 600 struct sctp_assocparams { 601 sctp_assoc_t sasoc_assoc_id; 602 uint32_t sasoc_peer_rwnd; 603 uint32_t sasoc_local_rwnd; 604 uint32_t sasoc_cookie_life; 605 uint16_t sasoc_asocmaxrxt; 606 uint16_t sasoc_number_peer_destinations; 607 }; 608 609 struct sctp_setprim { 610 struct sockaddr_storage ssp_addr; 611 sctp_assoc_t ssp_assoc_id; 612 uint8_t ssp_padding[4]; 613 }; 614 615 struct sctp_setpeerprim { 616 struct sockaddr_storage sspp_addr; 617 sctp_assoc_t sspp_assoc_id; 618 uint8_t sspp_padding[4]; 619 }; 620 621 struct sctp_getaddresses { 622 sctp_assoc_t sget_assoc_id; 623 /* addr is filled in for N * sockaddr_storage */ 624 struct sockaddr addr[1]; 625 }; 626 627 struct sctp_status { 628 sctp_assoc_t sstat_assoc_id; 629 int32_t sstat_state; 630 uint32_t sstat_rwnd; 631 uint16_t sstat_unackdata; 632 uint16_t sstat_penddata; 633 uint16_t sstat_instrms; 634 uint16_t sstat_outstrms; 635 uint32_t sstat_fragmentation_point; 636 struct sctp_paddrinfo sstat_primary; 637 }; 638 639 /* 640 * AUTHENTICATION support 641 */ 642 /* SCTP_AUTH_CHUNK */ 643 struct sctp_authchunk { 644 uint8_t sauth_chunk; 645 }; 646 647 /* SCTP_AUTH_KEY */ 648 struct sctp_authkey { 649 sctp_assoc_t sca_assoc_id; 650 uint16_t sca_keynumber; 651 uint16_t sca_keylength; 652 uint8_t sca_key[]; 653 }; 654 655 /* SCTP_HMAC_IDENT */ 656 struct sctp_hmacalgo { 657 uint32_t shmac_number_of_idents; 658 uint16_t shmac_idents[]; 659 }; 660 661 /* AUTH hmac_id */ 662 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 663 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 664 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 665 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004 666 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005 667 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006 668 669 670 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 671 struct sctp_authkeyid { 672 sctp_assoc_t scact_assoc_id; 673 uint16_t scact_keynumber; 674 }; 675 676 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 677 struct sctp_authchunks { 678 sctp_assoc_t gauth_assoc_id; 679 uint32_t gauth_number_of_chunks; 680 uint8_t gauth_chunks[]; 681 }; 682 683 struct sctp_assoc_value { 684 sctp_assoc_t assoc_id; 685 uint32_t assoc_value; 686 }; 687 688 struct sctp_cc_option { 689 int option; 690 struct sctp_assoc_value aid_value; 691 }; 692 693 struct sctp_stream_value { 694 sctp_assoc_t assoc_id; 695 uint16_t stream_id; 696 uint16_t stream_value; 697 }; 698 699 struct sctp_assoc_ids { 700 uint32_t gaids_number_of_ids; 701 sctp_assoc_t gaids_assoc_id[]; 702 }; 703 704 struct sctp_sack_info { 705 sctp_assoc_t sack_assoc_id; 706 uint32_t sack_delay; 707 uint32_t sack_freq; 708 }; 709 710 struct sctp_timeouts { 711 sctp_assoc_t stimo_assoc_id; 712 uint32_t stimo_init; 713 uint32_t stimo_data; 714 uint32_t stimo_sack; 715 uint32_t stimo_shutdown; 716 uint32_t stimo_heartbeat; 717 uint32_t stimo_cookie; 718 uint32_t stimo_shutdownack; 719 }; 720 721 struct sctp_udpencaps { 722 struct sockaddr_storage sue_address; 723 sctp_assoc_t sue_assoc_id; 724 uint16_t sue_port; 725 }; 726 727 struct sctp_cwnd_args { 728 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 729 uint32_t cwnd_new_value;/* cwnd in k */ 730 uint32_t pseudo_cumack; 731 uint16_t inflight; /* flightsize in k */ 732 uint16_t cwnd_augment; /* increment to it */ 733 uint8_t meets_pseudo_cumack; 734 uint8_t need_new_pseudo_cumack; 735 uint8_t cnt_in_send; 736 uint8_t cnt_in_str; 737 }; 738 739 struct sctp_blk_args { 740 uint32_t onsb; /* in 1k bytes */ 741 uint32_t sndlen; /* len of send being attempted */ 742 uint32_t peer_rwnd; /* rwnd of peer */ 743 uint16_t send_sent_qcnt;/* chnk cnt */ 744 uint16_t stream_qcnt; /* chnk cnt */ 745 uint16_t chunks_on_oque;/* chunks out */ 746 uint16_t flight_size; /* flight size in k */ 747 }; 748 749 /* 750 * Max we can reset in one setting, note this is dictated not by the define 751 * but the size of a mbuf cluster so don't change this define and think you 752 * can specify more. You must do multiple resets if you want to reset more 753 * than SCTP_MAX_EXPLICIT_STR_RESET. 754 */ 755 #define SCTP_MAX_EXPLICT_STR_RESET 1000 756 757 struct sctp_reset_streams { 758 sctp_assoc_t srs_assoc_id; 759 uint16_t srs_flags; 760 uint16_t srs_number_streams; /* 0 == ALL */ 761 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */ 762 }; 763 764 struct sctp_add_streams { 765 sctp_assoc_t sas_assoc_id; 766 uint16_t sas_instrms; 767 uint16_t sas_outstrms; 768 }; 769 770 struct sctp_get_nonce_values { 771 sctp_assoc_t gn_assoc_id; 772 uint32_t gn_peers_tag; 773 uint32_t gn_local_tag; 774 }; 775 776 /* Debugging logs */ 777 struct sctp_str_log { 778 void *stcb; /* FIXME: LP64 issue */ 779 uint32_t n_tsn; 780 uint32_t e_tsn; 781 uint16_t n_sseq; 782 uint16_t e_sseq; 783 uint16_t strm; 784 }; 785 786 struct sctp_sb_log { 787 void *stcb; /* FIXME: LP64 issue */ 788 uint32_t so_sbcc; 789 uint32_t stcb_sbcc; 790 uint32_t incr; 791 }; 792 793 struct sctp_fr_log { 794 uint32_t largest_tsn; 795 uint32_t largest_new_tsn; 796 uint32_t tsn; 797 }; 798 799 struct sctp_fr_map { 800 uint32_t base; 801 uint32_t cum; 802 uint32_t high; 803 }; 804 805 struct sctp_rwnd_log { 806 uint32_t rwnd; 807 uint32_t send_size; 808 uint32_t overhead; 809 uint32_t new_rwnd; 810 }; 811 812 struct sctp_mbcnt_log { 813 uint32_t total_queue_size; 814 uint32_t size_change; 815 uint32_t total_queue_mb_size; 816 uint32_t mbcnt_change; 817 }; 818 819 struct sctp_sack_log { 820 uint32_t cumack; 821 uint32_t oldcumack; 822 uint32_t tsn; 823 uint16_t numGaps; 824 uint16_t numDups; 825 }; 826 827 struct sctp_lock_log { 828 void *sock; /* FIXME: LP64 issue */ 829 void *inp; /* FIXME: LP64 issue */ 830 uint8_t tcb_lock; 831 uint8_t inp_lock; 832 uint8_t info_lock; 833 uint8_t sock_lock; 834 uint8_t sockrcvbuf_lock; 835 uint8_t socksndbuf_lock; 836 uint8_t create_lock; 837 uint8_t resv; 838 }; 839 840 struct sctp_rto_log { 841 void *net; /* FIXME: LP64 issue */ 842 uint32_t rtt; 843 }; 844 845 struct sctp_nagle_log { 846 void *stcb; /* FIXME: LP64 issue */ 847 uint32_t total_flight; 848 uint32_t total_in_queue; 849 uint16_t count_in_queue; 850 uint16_t count_in_flight; 851 }; 852 853 struct sctp_sbwake_log { 854 void *stcb; /* FIXME: LP64 issue */ 855 uint16_t send_q; 856 uint16_t sent_q; 857 uint16_t flight; 858 uint16_t wake_cnt; 859 uint8_t stream_qcnt; /* chnk cnt */ 860 uint8_t chunks_on_oque; /* chunks out */ 861 uint8_t sbflags; 862 uint8_t sctpflags; 863 }; 864 865 struct sctp_misc_info { 866 uint32_t log1; 867 uint32_t log2; 868 uint32_t log3; 869 uint32_t log4; 870 }; 871 872 struct sctp_log_closing { 873 void *inp; /* FIXME: LP64 issue */ 874 void *stcb; /* FIXME: LP64 issue */ 875 uint32_t sctp_flags; 876 uint16_t state; 877 int16_t loc; 878 }; 879 880 struct sctp_mbuf_log { 881 struct mbuf *mp; /* FIXME: LP64 issue */ 882 caddr_t ext; 883 caddr_t data; 884 uint16_t size; 885 uint8_t refcnt; 886 uint8_t mbuf_flags; 887 }; 888 889 struct sctp_cwnd_log { 890 uint64_t time_event; 891 uint8_t from; 892 uint8_t event_type; 893 uint8_t resv[2]; 894 union { 895 struct sctp_log_closing close; 896 struct sctp_blk_args blk; 897 struct sctp_cwnd_args cwnd; 898 struct sctp_str_log strlog; 899 struct sctp_fr_log fr; 900 struct sctp_fr_map map; 901 struct sctp_rwnd_log rwnd; 902 struct sctp_mbcnt_log mbcnt; 903 struct sctp_sack_log sack; 904 struct sctp_lock_log lock; 905 struct sctp_rto_log rto; 906 struct sctp_sb_log sb; 907 struct sctp_nagle_log nagle; 908 struct sctp_sbwake_log wake; 909 struct sctp_mbuf_log mb; 910 struct sctp_misc_info misc; 911 } x; 912 }; 913 914 struct sctp_cwnd_log_req { 915 int32_t num_in_log; /* Number in log */ 916 int32_t num_ret; /* Number returned */ 917 int32_t start_at; /* start at this one */ 918 int32_t end_at; /* end at this one */ 919 struct sctp_cwnd_log log[]; 920 }; 921 922 struct sctp_timeval { 923 uint32_t tv_sec; 924 uint32_t tv_usec; 925 }; 926 927 struct sctpstat { 928 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 929 * (TimeStamp) */ 930 /* MIB according to RFC 3873 */ 931 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 932 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 933 uint32_t sctps_restartestab; 934 uint32_t sctps_collisionestab; 935 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 936 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 937 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 938 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 939 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 940 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 941 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 942 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 943 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 944 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 945 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 946 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 947 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 948 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 949 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 950 951 /* input statistics: */ 952 uint32_t sctps_recvpackets; /* total input packets */ 953 uint32_t sctps_recvdatagrams; /* total input datagrams */ 954 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 955 uint32_t sctps_recvsacks; /* total input SACK chunks */ 956 uint32_t sctps_recvdata;/* total input DATA chunks */ 957 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 958 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 959 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 960 uint32_t sctps_recvecne;/* total input ECNE chunks */ 961 uint32_t sctps_recvauth;/* total input AUTH chunks */ 962 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 963 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 964 * received */ 965 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 966 * received */ 967 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 968 uint32_t sctps_recvexpress; /* total fast path receives all one 969 * chunk */ 970 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 971 uint32_t sctps_recvnocrc; 972 uint32_t sctps_recvswcrc; 973 uint32_t sctps_recvhwcrc; 974 975 /* output statistics: */ 976 uint32_t sctps_sendpackets; /* total output packets */ 977 uint32_t sctps_sendsacks; /* total output SACKs */ 978 uint32_t sctps_senddata;/* total output DATA chunks */ 979 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 980 * chunks */ 981 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 982 * DATA chunks */ 983 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 984 * more than once to same 985 * chunk (u-del multi-fr 986 * algo). */ 987 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 988 uint32_t sctps_sendecne;/* total output ECNE chunks */ 989 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 990 uint32_t sctps_senderrors; /* ip_output error counter */ 991 uint32_t sctps_sendnocrc; 992 uint32_t sctps_sendswcrc; 993 uint32_t sctps_sendhwcrc; 994 /* PCKDROPREP statistics: */ 995 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 996 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 997 uint32_t sctps_pdrpmbda;/* P-drops with data */ 998 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 999 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 1000 * only */ 1001 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1002 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1003 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 1004 * said break */ 1005 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1006 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1007 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1008 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1009 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 1010 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 1011 /* timeouts */ 1012 uint32_t sctps_timoiterator; /* Number of iterator timers that 1013 * fired */ 1014 uint32_t sctps_timodata;/* Number of T3 data time outs */ 1015 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 1016 * that fired */ 1017 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 1018 uint32_t sctps_timosack;/* Number of sack timers that fired */ 1019 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 1020 * fired */ 1021 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 1022 * fired */ 1023 uint32_t sctps_timocookie; /* Number of times a cookie timeout 1024 * fired */ 1025 uint32_t sctps_timosecret; /* Number of times an endpoint changed 1026 * its cookie secret */ 1027 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1028 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 1029 * fired */ 1030 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 1031 * timers that fired */ 1032 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 1033 * fired */ 1034 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 1035 * fired */ 1036 uint32_t sctps_timoasconf; /* Number of times an asconf timer 1037 * fired */ 1038 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 1039 * timer fired */ 1040 uint32_t sctps_timoautoclose; /* Number of times auto close timer 1041 * fired */ 1042 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1043 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1044 /* former early FR counters */ 1045 uint32_t sctps_spare[11]; 1046 /* others */ 1047 uint32_t sctps_hdrops; /* packet shorter than header */ 1048 uint32_t sctps_badsum; /* checksum error */ 1049 uint32_t sctps_noport; /* no endpoint for port */ 1050 uint32_t sctps_badvtag; /* bad v-tag */ 1051 uint32_t sctps_badsid; /* bad SID */ 1052 uint32_t sctps_nomem; /* no memory */ 1053 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 1054 * RTT window */ 1055 uint32_t sctps_markedretrans; 1056 uint32_t sctps_naglesent; /* nagle allowed sending */ 1057 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1058 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1059 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1060 * interface ring buffer OR we had a 1061 * send error and are queuing one 1062 * send. */ 1063 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1064 uint32_t sctps_lowlevelerr; /* total times an output error causes 1065 * us to clamp down on next user send. */ 1066 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 1067 * caused from a user send from a user 1068 * invoked send not a sack response */ 1069 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 1070 * chunk limit reached */ 1071 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 1072 * limit reached */ 1073 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 1074 * cwnd */ 1075 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1076 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1077 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 1078 * of user data on primary */ 1079 uint32_t sctps_cmt_randry; /* Same for above */ 1080 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1081 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1082 uint32_t sctps_sends_with_flags; /* number of sends with 1083 * sinfo_flags !=0 */ 1084 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1085 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1086 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 1087 * flag set */ 1088 uint32_t sctps_protocol_drain_calls; /* number of times protocol 1089 * drain called */ 1090 uint32_t sctps_protocol_drains_done; /* number of times we did a 1091 * protocol drain */ 1092 uint32_t sctps_read_peeks; /* Number of times recv was called 1093 * with peek */ 1094 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1095 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1096 uint32_t sctps_left_abandon; /* Number of unread messages abandoned 1097 * by close */ 1098 uint32_t sctps_send_burst_avoid; /* Unused */ 1099 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 1100 * max burst inflight to net */ 1101 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 1102 * fwd-tsn's */ 1103 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or 1104 * updated an ECN chunk on send queue */ 1105 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's 1106 * from here when adding new */ 1107 }; 1108 1109 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1110 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1111 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1112 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1113 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1114 #else 1115 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1116 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1117 #endif 1118 /* The following macros are for handling MIB values, */ 1119 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1120 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1121 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1122 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1123 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1124 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1125 1126 union sctp_sockstore { 1127 struct sockaddr_in sin; 1128 struct sockaddr_in6 sin6; 1129 struct sockaddr sa; 1130 }; 1131 1132 1133 /***********************************/ 1134 /* And something for us old timers */ 1135 /***********************************/ 1136 1137 #ifndef ntohll 1138 #include <sys/endian.h> 1139 #define ntohll(x) be64toh(x) 1140 #endif 1141 1142 #ifndef htonll 1143 #include <sys/endian.h> 1144 #define htonll(x) htobe64(x) 1145 #endif 1146 /***********************************/ 1147 1148 1149 struct xsctp_inpcb { 1150 uint32_t last; 1151 uint32_t flags; 1152 uint32_t features; 1153 uint32_t total_sends; 1154 uint32_t total_recvs; 1155 uint32_t total_nospaces; 1156 uint32_t fragmentation_point; 1157 uint16_t local_port; 1158 uint16_t qlen; 1159 uint16_t maxqlen; 1160 uint32_t extra_padding[32]; /* future */ 1161 }; 1162 1163 struct xsctp_tcb { 1164 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1165 uint32_t last; 1166 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1167 uint32_t state; /* sctpAssocEntry 8 */ 1168 uint32_t in_streams; /* sctpAssocEntry 9 */ 1169 uint32_t out_streams; /* sctpAssocEntry 10 */ 1170 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1171 uint32_t primary_process; /* sctpAssocEntry 12 */ 1172 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1173 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1174 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1175 uint32_t total_sends; 1176 uint32_t total_recvs; 1177 uint32_t local_tag; 1178 uint32_t remote_tag; 1179 uint32_t initial_tsn; 1180 uint32_t highest_tsn; 1181 uint32_t cumulative_tsn; 1182 uint32_t cumulative_tsn_ack; 1183 uint32_t mtu; 1184 uint32_t refcnt; 1185 uint16_t local_port; /* sctpAssocEntry 3 */ 1186 uint16_t remote_port; /* sctpAssocEntry 4 */ 1187 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1188 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1189 uint32_t peers_rwnd; 1190 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1191 uint32_t extra_padding[32]; /* future */ 1192 }; 1193 1194 struct xsctp_laddr { 1195 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1196 uint32_t last; 1197 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1198 uint32_t extra_padding[32]; /* future */ 1199 }; 1200 1201 struct xsctp_raddr { 1202 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1203 uint32_t last; 1204 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1205 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1206 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1207 uint32_t error_counter; /* */ 1208 uint32_t cwnd; /* */ 1209 uint32_t flight_size; /* */ 1210 uint32_t mtu; /* */ 1211 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1212 uint8_t confirmed; /* */ 1213 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1214 uint8_t potentially_failed; 1215 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1216 uint32_t rtt; 1217 uint32_t heartbeat_interval; 1218 uint32_t extra_padding[31]; /* future */ 1219 }; 1220 1221 #define SCTP_MAX_LOGGING_SIZE 30000 1222 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1223 1224 struct sctp_log_entry { 1225 uint64_t timestamp; 1226 uint32_t subsys; 1227 uint32_t padding; 1228 uint32_t params[SCTP_TRACE_PARAMS]; 1229 }; 1230 1231 struct sctp_log { 1232 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1233 uint32_t index; 1234 uint32_t padding; 1235 }; 1236 1237 /* 1238 * Kernel defined for sctp_send 1239 */ 1240 #if defined(_KERNEL) || defined(__Userspace__) 1241 int 1242 sctp_lower_sosend(struct socket *so, 1243 struct sockaddr *addr, 1244 struct uio *uio, 1245 struct mbuf *i_pak, 1246 struct mbuf *control, 1247 int flags, 1248 struct sctp_sndrcvinfo *srcv 1249 ,struct thread *p 1250 ); 1251 1252 int 1253 sctp_sorecvmsg(struct socket *so, 1254 struct uio *uio, 1255 struct mbuf **mp, 1256 struct sockaddr *from, 1257 int fromlen, 1258 int *msg_flags, 1259 struct sctp_sndrcvinfo *sinfo, 1260 int filling_sinfo); 1261 1262 #endif 1263 1264 /* 1265 * API system calls 1266 */ 1267 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1268 1269 __BEGIN_DECLS 1270 int sctp_peeloff(int, sctp_assoc_t); 1271 int sctp_bindx(int, struct sockaddr *, int, int); 1272 int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *); 1273 int sctp_getaddrlen(sa_family_t); 1274 int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **); 1275 void sctp_freepaddrs(struct sockaddr *); 1276 int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **); 1277 void sctp_freeladdrs(struct sockaddr *); 1278 int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *); 1279 1280 /* deprecated */ 1281 ssize_t 1282 sctp_sendmsg(int, const void *, size_t, const struct sockaddr *, 1283 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1284 1285 /* deprecated */ 1286 ssize_t 1287 sctp_send(int, const void *, size_t, 1288 const struct sctp_sndrcvinfo *, int); 1289 1290 /* deprecated */ 1291 ssize_t 1292 sctp_sendx(int, const void *, size_t, struct sockaddr *, 1293 int, struct sctp_sndrcvinfo *, int); 1294 1295 /* deprecated */ 1296 ssize_t 1297 sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *, 1298 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1299 1300 sctp_assoc_t sctp_getassocid(int, struct sockaddr *); 1301 1302 /* deprecated */ 1303 ssize_t 1304 sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *, 1305 struct sctp_sndrcvinfo *, int *); 1306 1307 ssize_t 1308 sctp_sendv(int, const struct iovec *, int, struct sockaddr *, 1309 int, void *, socklen_t, unsigned int, int); 1310 1311 ssize_t 1312 sctp_recvv(int, const struct iovec *, int, struct sockaddr *, 1313 socklen_t *, void *, socklen_t *, unsigned int *, int *); 1314 1315 __END_DECLS 1316 1317 #endif /* !_KERNEL */ 1318 #endif /* !__sctp_uio_h__ */ 1319