1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #if defined(__FreeBSD__) && !defined(__Userspace__) 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD: head/sys/netinet/sctp_uio.h 365071 2020-09-01 21:19:14Z mjg $"); 38 #endif 39 40 #ifndef _NETINET_SCTP_UIO_H_ 41 #define _NETINET_SCTP_UIO_H_ 42 43 #if (defined(__APPLE__) && !defined(__Userspace__) && defined(KERNEL)) 44 #ifndef _KERNEL 45 #define _KERNEL 46 #endif 47 #endif 48 #if !defined(_WIN32) 49 #if !defined(_KERNEL) 50 #include <stdint.h> 51 #endif 52 #include <sys/types.h> 53 #include <sys/socket.h> 54 #include <netinet/in.h> 55 #endif 56 #if defined(_WIN32) && !defined(__Userspace__) 57 #pragma warning(push) 58 #pragma warning(disable: 4200) 59 #if defined(_KERNEL) 60 #include <sys/types.h> 61 #include <sys/socket.h> 62 #include <netinet/in.h> 63 #endif 64 #endif 65 66 typedef uint32_t sctp_assoc_t; 67 68 #define SCTP_FUTURE_ASSOC 0 69 #define SCTP_CURRENT_ASSOC 1 70 #define SCTP_ALL_ASSOC 2 71 72 struct sctp_event { 73 sctp_assoc_t se_assoc_id; 74 uint16_t se_type; 75 uint8_t se_on; 76 }; 77 78 /* Compatibility to previous define's */ 79 #define sctp_stream_reset_events sctp_stream_reset_event 80 81 /* On/Off setup for subscription to events */ 82 struct sctp_event_subscribe { 83 uint8_t sctp_data_io_event; 84 uint8_t sctp_association_event; 85 uint8_t sctp_address_event; 86 uint8_t sctp_send_failure_event; 87 uint8_t sctp_peer_error_event; 88 uint8_t sctp_shutdown_event; 89 uint8_t sctp_partial_delivery_event; 90 uint8_t sctp_adaptation_layer_event; 91 uint8_t sctp_authentication_event; 92 uint8_t sctp_sender_dry_event; 93 uint8_t sctp_stream_reset_event; 94 }; 95 96 /* ancillary data types */ 97 #define SCTP_INIT 0x0001 98 #define SCTP_SNDRCV 0x0002 99 #define SCTP_EXTRCV 0x0003 100 #define SCTP_SNDINFO 0x0004 101 #define SCTP_RCVINFO 0x0005 102 #define SCTP_NXTINFO 0x0006 103 #define SCTP_PRINFO 0x0007 104 #define SCTP_AUTHINFO 0x0008 105 #define SCTP_DSTADDRV4 0x0009 106 #define SCTP_DSTADDRV6 0x000a 107 108 /* 109 * ancillary data structures 110 */ 111 struct sctp_initmsg { 112 uint16_t sinit_num_ostreams; 113 uint16_t sinit_max_instreams; 114 uint16_t sinit_max_attempts; 115 uint16_t sinit_max_init_timeo; 116 }; 117 118 /* We add 96 bytes to the size of sctp_sndrcvinfo. 119 * This makes the current structure 128 bytes long 120 * which is nicely 64 bit aligned but also has room 121 * for us to add more and keep ABI compatibility. 122 * For example, already we have the sctp_extrcvinfo 123 * when enabled which is 48 bytes. 124 */ 125 126 /* 127 * The assoc up needs a verfid 128 * all sendrcvinfo's need a verfid for SENDING only. 129 */ 130 131 #define SCTP_ALIGN_RESV_PAD 92 132 #define SCTP_ALIGN_RESV_PAD_SHORT 76 133 134 struct sctp_sndrcvinfo { 135 uint16_t sinfo_stream; 136 uint16_t sinfo_ssn; 137 uint16_t sinfo_flags; 138 uint32_t sinfo_ppid; 139 uint32_t sinfo_context; 140 uint32_t sinfo_timetolive; 141 uint32_t sinfo_tsn; 142 uint32_t sinfo_cumtsn; 143 sctp_assoc_t sinfo_assoc_id; 144 uint16_t sinfo_keynumber; 145 uint16_t sinfo_keynumber_valid; 146 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 147 }; 148 149 struct sctp_extrcvinfo { 150 uint16_t sinfo_stream; 151 uint16_t sinfo_ssn; 152 uint16_t sinfo_flags; 153 uint32_t sinfo_ppid; 154 uint32_t sinfo_context; 155 uint32_t sinfo_timetolive; /* should have been sinfo_pr_value */ 156 uint32_t sinfo_tsn; 157 uint32_t sinfo_cumtsn; 158 sctp_assoc_t sinfo_assoc_id; 159 uint16_t serinfo_next_flags; 160 uint16_t serinfo_next_stream; 161 uint32_t serinfo_next_aid; 162 uint32_t serinfo_next_length; 163 uint32_t serinfo_next_ppid; 164 uint16_t sinfo_keynumber; 165 uint16_t sinfo_keynumber_valid; 166 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 167 }; 168 #define sinfo_pr_value sinfo_timetolive 169 #define sreinfo_next_flags serinfo_next_flags 170 #define sreinfo_next_stream serinfo_next_stream 171 #define sreinfo_next_aid serinfo_next_aid 172 #define sreinfo_next_length serinfo_next_length 173 #define sreinfo_next_ppid serinfo_next_ppid 174 175 struct sctp_sndinfo { 176 uint16_t snd_sid; 177 uint16_t snd_flags; 178 uint32_t snd_ppid; 179 uint32_t snd_context; 180 sctp_assoc_t snd_assoc_id; 181 }; 182 183 struct sctp_prinfo { 184 uint16_t pr_policy; 185 uint32_t pr_value; 186 }; 187 188 struct sctp_default_prinfo { 189 uint16_t pr_policy; 190 uint32_t pr_value; 191 sctp_assoc_t pr_assoc_id; 192 }; 193 194 struct sctp_authinfo { 195 uint16_t auth_keynumber; 196 }; 197 198 struct sctp_rcvinfo { 199 uint16_t rcv_sid; 200 uint16_t rcv_ssn; 201 uint16_t rcv_flags; 202 uint32_t rcv_ppid; 203 uint32_t rcv_tsn; 204 uint32_t rcv_cumtsn; 205 uint32_t rcv_context; 206 sctp_assoc_t rcv_assoc_id; 207 }; 208 209 struct sctp_nxtinfo { 210 uint16_t nxt_sid; 211 uint16_t nxt_flags; 212 uint32_t nxt_ppid; 213 uint32_t nxt_length; 214 sctp_assoc_t nxt_assoc_id; 215 }; 216 217 #define SCTP_NO_NEXT_MSG 0x0000 218 #define SCTP_NEXT_MSG_AVAIL 0x0001 219 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 220 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 221 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 222 223 struct sctp_recvv_rn { 224 struct sctp_rcvinfo recvv_rcvinfo; 225 struct sctp_nxtinfo recvv_nxtinfo; 226 }; 227 228 #define SCTP_RECVV_NOINFO 0 229 #define SCTP_RECVV_RCVINFO 1 230 #define SCTP_RECVV_NXTINFO 2 231 #define SCTP_RECVV_RN 3 232 233 #define SCTP_SENDV_NOINFO 0 234 #define SCTP_SENDV_SNDINFO 1 235 #define SCTP_SENDV_PRINFO 2 236 #define SCTP_SENDV_AUTHINFO 3 237 #define SCTP_SENDV_SPA 4 238 239 struct sctp_sendv_spa { 240 uint32_t sendv_flags; 241 struct sctp_sndinfo sendv_sndinfo; 242 struct sctp_prinfo sendv_prinfo; 243 struct sctp_authinfo sendv_authinfo; 244 }; 245 246 #define SCTP_SEND_SNDINFO_VALID 0x00000001 247 #define SCTP_SEND_PRINFO_VALID 0x00000002 248 #define SCTP_SEND_AUTHINFO_VALID 0x00000004 249 250 struct sctp_snd_all_completes { 251 uint16_t sall_stream; 252 uint16_t sall_flags; 253 uint32_t sall_ppid; 254 uint32_t sall_context; 255 uint32_t sall_num_sent; 256 uint32_t sall_num_failed; 257 }; 258 259 /* Flags that go into the sinfo->sinfo_flags field */ 260 #define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ 261 #define SCTP_COMPLETE 0x0020 /* next message is complete */ 262 #define SCTP_EOF 0x0100 /* Start shutdown procedures */ 263 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 264 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 265 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 266 #define SCTP_SENDALL 0x1000 /* Send this on all associations */ 267 #define SCTP_EOR 0x2000 /* end of message signal */ 268 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 269 270 #define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ 271 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 272 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 273 SCTP_SACK_IMMEDIATELY)) != 0) 274 /* for the endpoint */ 275 276 /* The lower four bits is an enumeration of PR-SCTP policies */ 277 #define SCTP_PR_SCTP_NONE 0x0000 /* Reliable transfer */ 278 #define SCTP_PR_SCTP_TTL 0x0001 /* Time based PR-SCTP */ 279 #define SCTP_PR_SCTP_PRIO 0x0002 /* Buffer based PR-SCTP */ 280 #define SCTP_PR_SCTP_BUF SCTP_PR_SCTP_PRIO /* For backwards compatibility */ 281 #define SCTP_PR_SCTP_RTX 0x0003 /* Number of retransmissions based PR-SCTP */ 282 #define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX 283 #define SCTP_PR_SCTP_ALL 0x000f /* Used for aggregated stats */ 284 285 #define PR_SCTP_POLICY(x) ((x) & 0x0f) 286 #define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \ 287 (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL)) 288 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 289 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 290 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 291 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX) 292 #define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX) 293 294 /* Stat's */ 295 struct sctp_pcbinfo { 296 uint32_t ep_count; 297 uint32_t asoc_count; 298 uint32_t laddr_count; 299 uint32_t raddr_count; 300 uint32_t chk_count; 301 uint32_t readq_count; 302 uint32_t free_chunks; 303 uint32_t stream_oque; 304 }; 305 306 struct sctp_sockstat { 307 sctp_assoc_t ss_assoc_id; 308 uint32_t ss_total_sndbuf; 309 uint32_t ss_total_recv_buf; 310 }; 311 312 /* 313 * notification event structures 314 */ 315 316 /* 317 * association change event 318 */ 319 struct sctp_assoc_change { 320 uint16_t sac_type; 321 uint16_t sac_flags; 322 uint32_t sac_length; 323 uint16_t sac_state; 324 uint16_t sac_error; 325 uint16_t sac_outbound_streams; 326 uint16_t sac_inbound_streams; 327 sctp_assoc_t sac_assoc_id; 328 uint8_t sac_info[]; 329 }; 330 331 /* sac_state values */ 332 #define SCTP_COMM_UP 0x0001 333 #define SCTP_COMM_LOST 0x0002 334 #define SCTP_RESTART 0x0003 335 #define SCTP_SHUTDOWN_COMP 0x0004 336 #define SCTP_CANT_STR_ASSOC 0x0005 337 338 /* sac_info values */ 339 #define SCTP_ASSOC_SUPPORTS_PR 0x01 340 #define SCTP_ASSOC_SUPPORTS_AUTH 0x02 341 #define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 342 #define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 343 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 344 #define SCTP_ASSOC_SUPPORTS_INTERLEAVING 0x06 345 #define SCTP_ASSOC_SUPPORTS_MAX 0x06 346 /* 347 * Address event 348 */ 349 struct sctp_paddr_change { 350 uint16_t spc_type; 351 uint16_t spc_flags; 352 uint32_t spc_length; 353 struct sockaddr_storage spc_aaddr; 354 uint32_t spc_state; 355 uint32_t spc_error; 356 sctp_assoc_t spc_assoc_id; 357 }; 358 359 /* paddr state values */ 360 #define SCTP_ADDR_AVAILABLE 0x0001 361 #define SCTP_ADDR_UNREACHABLE 0x0002 362 #define SCTP_ADDR_REMOVED 0x0003 363 #define SCTP_ADDR_ADDED 0x0004 364 #define SCTP_ADDR_MADE_PRIM 0x0005 365 #define SCTP_ADDR_CONFIRMED 0x0006 366 367 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 368 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE 369 nor SCTP_ADDR_UNCONFIRMED */ 370 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 371 372 /* remote error events */ 373 struct sctp_remote_error { 374 uint16_t sre_type; 375 uint16_t sre_flags; 376 uint32_t sre_length; 377 uint16_t sre_error; 378 sctp_assoc_t sre_assoc_id; 379 uint8_t sre_data[]; 380 }; 381 382 /* data send failure event (deprecated) */ 383 struct sctp_send_failed { 384 uint16_t ssf_type; 385 uint16_t ssf_flags; 386 uint32_t ssf_length; 387 uint32_t ssf_error; 388 struct sctp_sndrcvinfo ssf_info; 389 sctp_assoc_t ssf_assoc_id; 390 uint8_t ssf_data[]; 391 }; 392 393 /* data send failure event (not deprecated) */ 394 struct sctp_send_failed_event { 395 uint16_t ssfe_type; 396 uint16_t ssfe_flags; 397 uint32_t ssfe_length; 398 uint32_t ssfe_error; 399 struct sctp_sndinfo ssfe_info; 400 sctp_assoc_t ssfe_assoc_id; 401 uint8_t ssfe_data[]; 402 }; 403 404 /* flag that indicates state of data */ 405 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 406 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 407 408 /* shutdown event */ 409 struct sctp_shutdown_event { 410 uint16_t sse_type; 411 uint16_t sse_flags; 412 uint32_t sse_length; 413 sctp_assoc_t sse_assoc_id; 414 }; 415 416 /* Adaptation layer indication stuff */ 417 struct sctp_adaptation_event { 418 uint16_t sai_type; 419 uint16_t sai_flags; 420 uint32_t sai_length; 421 uint32_t sai_adaptation_ind; 422 sctp_assoc_t sai_assoc_id; 423 }; 424 425 struct sctp_setadaptation { 426 uint32_t ssb_adaptation_ind; 427 }; 428 429 /* compatible old spelling */ 430 struct sctp_adaption_event { 431 uint16_t sai_type; 432 uint16_t sai_flags; 433 uint32_t sai_length; 434 uint32_t sai_adaption_ind; 435 sctp_assoc_t sai_assoc_id; 436 }; 437 438 struct sctp_setadaption { 439 uint32_t ssb_adaption_ind; 440 }; 441 442 /* 443 * Partial Delivery API event 444 */ 445 struct sctp_pdapi_event { 446 uint16_t pdapi_type; 447 uint16_t pdapi_flags; 448 uint32_t pdapi_length; 449 uint32_t pdapi_indication; 450 uint16_t pdapi_stream; 451 uint16_t pdapi_seq; 452 sctp_assoc_t pdapi_assoc_id; 453 }; 454 455 /* indication values */ 456 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 457 458 /* 459 * authentication key event 460 */ 461 struct sctp_authkey_event { 462 uint16_t auth_type; 463 uint16_t auth_flags; 464 uint32_t auth_length; 465 uint16_t auth_keynumber; 466 uint16_t auth_altkeynumber; 467 uint32_t auth_indication; 468 sctp_assoc_t auth_assoc_id; 469 }; 470 471 /* indication values */ 472 #define SCTP_AUTH_NEW_KEY 0x0001 473 #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 474 #define SCTP_AUTH_NO_AUTH 0x0002 475 #define SCTP_AUTH_FREE_KEY 0x0003 476 477 struct sctp_sender_dry_event { 478 uint16_t sender_dry_type; 479 uint16_t sender_dry_flags; 480 uint32_t sender_dry_length; 481 sctp_assoc_t sender_dry_assoc_id; 482 }; 483 484 /* 485 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 486 */ 487 struct sctp_stream_reset_event { 488 uint16_t strreset_type; 489 uint16_t strreset_flags; 490 uint32_t strreset_length; 491 sctp_assoc_t strreset_assoc_id; 492 uint16_t strreset_stream_list[]; 493 }; 494 495 /* flags in stream_reset_event (strreset_flags) */ 496 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 497 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 498 #define SCTP_STREAM_RESET_DENIED 0x0004 499 #define SCTP_STREAM_RESET_FAILED 0x0008 500 501 /* 502 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 503 */ 504 struct sctp_assoc_reset_event { 505 uint16_t assocreset_type; 506 uint16_t assocreset_flags; 507 uint32_t assocreset_length; 508 sctp_assoc_t assocreset_assoc_id; 509 uint32_t assocreset_local_tsn; 510 uint32_t assocreset_remote_tsn; 511 }; 512 513 #define SCTP_ASSOC_RESET_DENIED 0x0004 514 #define SCTP_ASSOC_RESET_FAILED 0x0008 515 516 /* 517 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 518 */ 519 struct sctp_stream_change_event { 520 uint16_t strchange_type; 521 uint16_t strchange_flags; 522 uint32_t strchange_length; 523 sctp_assoc_t strchange_assoc_id; 524 uint16_t strchange_instrms; 525 uint16_t strchange_outstrms; 526 }; 527 528 #define SCTP_STREAM_CHANGE_DENIED 0x0004 529 #define SCTP_STREAM_CHANGE_FAILED 0x0008 530 531 /* SCTP notification event */ 532 struct sctp_tlv { 533 uint16_t sn_type; 534 uint16_t sn_flags; 535 uint32_t sn_length; 536 }; 537 538 union sctp_notification { 539 struct sctp_tlv sn_header; 540 struct sctp_assoc_change sn_assoc_change; 541 struct sctp_paddr_change sn_paddr_change; 542 struct sctp_remote_error sn_remote_error; 543 struct sctp_send_failed sn_send_failed; 544 struct sctp_shutdown_event sn_shutdown_event; 545 struct sctp_adaptation_event sn_adaptation_event; 546 /* compatibility same as above */ 547 struct sctp_adaption_event sn_adaption_event; 548 struct sctp_pdapi_event sn_pdapi_event; 549 struct sctp_authkey_event sn_auth_event; 550 struct sctp_sender_dry_event sn_sender_dry_event; 551 struct sctp_send_failed_event sn_send_failed_event; 552 struct sctp_stream_reset_event sn_strreset_event; 553 struct sctp_assoc_reset_event sn_assocreset_event; 554 struct sctp_stream_change_event sn_strchange_event; 555 }; 556 557 /* notification types */ 558 #define SCTP_ASSOC_CHANGE 0x0001 559 #define SCTP_PEER_ADDR_CHANGE 0x0002 560 #define SCTP_REMOTE_ERROR 0x0003 561 #define SCTP_SEND_FAILED 0x0004 562 #define SCTP_SHUTDOWN_EVENT 0x0005 563 #define SCTP_ADAPTATION_INDICATION 0x0006 564 /* same as above */ 565 #define SCTP_ADAPTION_INDICATION 0x0006 566 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 567 #define SCTP_AUTHENTICATION_EVENT 0x0008 568 #define SCTP_STREAM_RESET_EVENT 0x0009 569 #define SCTP_SENDER_DRY_EVENT 0x000a 570 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this*/ 571 #define SCTP_ASSOC_RESET_EVENT 0x000c 572 #define SCTP_STREAM_CHANGE_EVENT 0x000d 573 #define SCTP_SEND_FAILED_EVENT 0x000e 574 /* 575 * socket option structs 576 */ 577 578 struct sctp_paddrparams { 579 struct sockaddr_storage spp_address; 580 sctp_assoc_t spp_assoc_id; 581 uint32_t spp_hbinterval; 582 uint32_t spp_pathmtu; 583 uint32_t spp_flags; 584 uint32_t spp_ipv6_flowlabel; 585 uint16_t spp_pathmaxrxt; 586 uint8_t spp_dscp; 587 }; 588 #define spp_ipv4_tos spp_dscp 589 590 #define SPP_HB_ENABLE 0x00000001 591 #define SPP_HB_DISABLE 0x00000002 592 #define SPP_HB_DEMAND 0x00000004 593 #define SPP_PMTUD_ENABLE 0x00000008 594 #define SPP_PMTUD_DISABLE 0x00000010 595 #define SPP_HB_TIME_IS_ZERO 0x00000080 596 #define SPP_IPV6_FLOWLABEL 0x00000100 597 #define SPP_DSCP 0x00000200 598 #define SPP_IPV4_TOS SPP_DSCP 599 600 struct sctp_paddrthlds { 601 struct sockaddr_storage spt_address; 602 sctp_assoc_t spt_assoc_id; 603 uint16_t spt_pathmaxrxt; 604 uint16_t spt_pathpfthld; 605 uint16_t spt_pathcpthld; 606 }; 607 608 struct sctp_paddrinfo { 609 struct sockaddr_storage spinfo_address; 610 sctp_assoc_t spinfo_assoc_id; 611 int32_t spinfo_state; 612 uint32_t spinfo_cwnd; 613 uint32_t spinfo_srtt; 614 uint32_t spinfo_rto; 615 uint32_t spinfo_mtu; 616 }; 617 618 struct sctp_rtoinfo { 619 sctp_assoc_t srto_assoc_id; 620 uint32_t srto_initial; 621 uint32_t srto_max; 622 uint32_t srto_min; 623 }; 624 625 struct sctp_assocparams { 626 sctp_assoc_t sasoc_assoc_id; 627 uint32_t sasoc_peer_rwnd; 628 uint32_t sasoc_local_rwnd; 629 uint32_t sasoc_cookie_life; 630 uint16_t sasoc_asocmaxrxt; 631 uint16_t sasoc_number_peer_destinations; 632 }; 633 634 struct sctp_setprim { 635 struct sockaddr_storage ssp_addr; 636 sctp_assoc_t ssp_assoc_id; 637 uint8_t ssp_padding[4]; 638 }; 639 640 struct sctp_setpeerprim { 641 struct sockaddr_storage sspp_addr; 642 sctp_assoc_t sspp_assoc_id; 643 uint8_t sspp_padding[4]; 644 }; 645 646 union sctp_sockstore { 647 struct sockaddr_in sin; 648 struct sockaddr_in6 sin6; 649 #if defined(__Userspace__) 650 struct sockaddr_conn sconn; 651 #endif 652 struct sockaddr sa; 653 }; 654 655 struct sctp_getaddresses { 656 sctp_assoc_t sget_assoc_id; 657 union sctp_sockstore addr[]; 658 }; 659 660 struct sctp_status { 661 sctp_assoc_t sstat_assoc_id; 662 int32_t sstat_state; 663 uint32_t sstat_rwnd; 664 uint16_t sstat_unackdata; 665 uint16_t sstat_penddata; 666 uint16_t sstat_instrms; 667 uint16_t sstat_outstrms; 668 uint32_t sstat_fragmentation_point; 669 struct sctp_paddrinfo sstat_primary; 670 }; 671 672 /* 673 * AUTHENTICATION support 674 */ 675 /* SCTP_AUTH_CHUNK */ 676 struct sctp_authchunk { 677 uint8_t sauth_chunk; 678 }; 679 680 /* SCTP_AUTH_KEY */ 681 struct sctp_authkey { 682 sctp_assoc_t sca_assoc_id; 683 uint16_t sca_keynumber; 684 uint16_t sca_keylength; 685 uint8_t sca_key[]; 686 }; 687 688 /* SCTP_HMAC_IDENT */ 689 struct sctp_hmacalgo { 690 uint32_t shmac_number_of_idents; 691 uint16_t shmac_idents[]; 692 }; 693 694 /* AUTH hmac_id */ 695 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 696 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 697 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 698 699 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 700 struct sctp_authkeyid { 701 sctp_assoc_t scact_assoc_id; 702 uint16_t scact_keynumber; 703 }; 704 705 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 706 struct sctp_authchunks { 707 sctp_assoc_t gauth_assoc_id; 708 uint32_t gauth_number_of_chunks; 709 uint8_t gauth_chunks[]; 710 }; 711 712 struct sctp_assoc_value { 713 sctp_assoc_t assoc_id; 714 uint32_t assoc_value; 715 }; 716 717 struct sctp_cc_option { 718 int option; 719 struct sctp_assoc_value aid_value; 720 }; 721 722 struct sctp_stream_value { 723 sctp_assoc_t assoc_id; 724 uint16_t stream_id; 725 uint16_t stream_value; 726 }; 727 728 struct sctp_assoc_ids { 729 uint32_t gaids_number_of_ids; 730 sctp_assoc_t gaids_assoc_id[]; 731 }; 732 733 struct sctp_sack_info { 734 sctp_assoc_t sack_assoc_id; 735 uint32_t sack_delay; 736 uint32_t sack_freq; 737 }; 738 739 struct sctp_timeouts { 740 sctp_assoc_t stimo_assoc_id; 741 uint32_t stimo_init; 742 uint32_t stimo_data; 743 uint32_t stimo_sack; 744 uint32_t stimo_shutdown; 745 uint32_t stimo_heartbeat; 746 uint32_t stimo_cookie; 747 uint32_t stimo_shutdownack; 748 }; 749 750 struct sctp_udpencaps { 751 struct sockaddr_storage sue_address; 752 sctp_assoc_t sue_assoc_id; 753 uint16_t sue_port; 754 }; 755 756 struct sctp_prstatus { 757 sctp_assoc_t sprstat_assoc_id; 758 uint16_t sprstat_sid; 759 uint16_t sprstat_policy; 760 uint64_t sprstat_abandoned_unsent; 761 uint64_t sprstat_abandoned_sent; 762 }; 763 764 struct sctp_cwnd_args { 765 struct sctp_nets *net; /* network to */ /* FIXME: LP64 issue */ 766 uint32_t cwnd_new_value;/* cwnd in k */ 767 uint32_t pseudo_cumack; 768 uint16_t inflight; /* flightsize in k */ 769 uint16_t cwnd_augment; /* increment to it */ 770 uint8_t meets_pseudo_cumack; 771 uint8_t need_new_pseudo_cumack; 772 uint8_t cnt_in_send; 773 uint8_t cnt_in_str; 774 }; 775 776 struct sctp_blk_args { 777 uint32_t onsb; /* in 1k bytes */ 778 uint32_t sndlen; /* len of send being attempted */ 779 uint32_t peer_rwnd; /* rwnd of peer */ 780 uint16_t send_sent_qcnt;/* chnk cnt */ 781 uint16_t stream_qcnt; /* chnk cnt */ 782 uint16_t chunks_on_oque;/* chunks out */ 783 uint16_t flight_size; /* flight size in k */ 784 }; 785 786 /* 787 * Max we can reset in one setting, note this is dictated not by the define 788 * but the size of a mbuf cluster so don't change this define and think you 789 * can specify more. You must do multiple resets if you want to reset more 790 * than SCTP_MAX_EXPLICIT_STR_RESET. 791 */ 792 #define SCTP_MAX_EXPLICT_STR_RESET 1000 793 794 struct sctp_reset_streams { 795 sctp_assoc_t srs_assoc_id; 796 uint16_t srs_flags; 797 uint16_t srs_number_streams; /* 0 == ALL */ 798 uint16_t srs_stream_list[];/* list if strrst_num_streams is not 0 */ 799 }; 800 801 struct sctp_add_streams { 802 sctp_assoc_t sas_assoc_id; 803 uint16_t sas_instrms; 804 uint16_t sas_outstrms; 805 }; 806 807 struct sctp_get_nonce_values { 808 sctp_assoc_t gn_assoc_id; 809 uint32_t gn_peers_tag; 810 uint32_t gn_local_tag; 811 }; 812 813 /* Debugging logs */ 814 struct sctp_str_log { 815 void *stcb; /* FIXME: LP64 issue */ 816 uint32_t n_tsn; 817 uint32_t e_tsn; 818 uint16_t n_sseq; 819 uint16_t e_sseq; 820 uint16_t strm; 821 }; 822 823 struct sctp_sb_log { 824 void *stcb; /* FIXME: LP64 issue */ 825 uint32_t so_sbcc; 826 uint32_t stcb_sbcc; 827 uint32_t incr; 828 }; 829 830 struct sctp_fr_log { 831 uint32_t largest_tsn; 832 uint32_t largest_new_tsn; 833 uint32_t tsn; 834 }; 835 836 struct sctp_fr_map { 837 uint32_t base; 838 uint32_t cum; 839 uint32_t high; 840 }; 841 842 struct sctp_rwnd_log { 843 uint32_t rwnd; 844 uint32_t send_size; 845 uint32_t overhead; 846 uint32_t new_rwnd; 847 }; 848 849 struct sctp_mbcnt_log { 850 uint32_t total_queue_size; 851 uint32_t size_change; 852 uint32_t total_queue_mb_size; 853 uint32_t mbcnt_change; 854 }; 855 856 struct sctp_sack_log { 857 uint32_t cumack; 858 uint32_t oldcumack; 859 uint32_t tsn; 860 uint16_t numGaps; 861 uint16_t numDups; 862 }; 863 864 struct sctp_lock_log { 865 void *sock; /* FIXME: LP64 issue */ 866 void *inp; /* FIXME: LP64 issue */ 867 uint8_t tcb_lock; 868 uint8_t inp_lock; 869 uint8_t info_lock; 870 uint8_t sock_lock; 871 uint8_t sockrcvbuf_lock; 872 uint8_t socksndbuf_lock; 873 uint8_t create_lock; 874 uint8_t resv; 875 }; 876 877 struct sctp_rto_log { 878 void * net; /* FIXME: LP64 issue */ 879 uint32_t rtt; 880 }; 881 882 struct sctp_nagle_log { 883 void *stcb; /* FIXME: LP64 issue */ 884 uint32_t total_flight; 885 uint32_t total_in_queue; 886 uint16_t count_in_queue; 887 uint16_t count_in_flight; 888 }; 889 890 struct sctp_sbwake_log { 891 void *stcb; /* FIXME: LP64 issue */ 892 uint16_t send_q; 893 uint16_t sent_q; 894 uint16_t flight; 895 uint16_t wake_cnt; 896 uint8_t stream_qcnt; /* chnk cnt */ 897 uint8_t chunks_on_oque;/* chunks out */ 898 uint8_t sbflags; 899 uint8_t sctpflags; 900 }; 901 902 struct sctp_misc_info { 903 uint32_t log1; 904 uint32_t log2; 905 uint32_t log3; 906 uint32_t log4; 907 }; 908 909 struct sctp_log_closing { 910 void *inp; /* FIXME: LP64 issue */ 911 void *stcb; /* FIXME: LP64 issue */ 912 uint32_t sctp_flags; 913 uint16_t state; 914 int16_t loc; 915 }; 916 917 struct sctp_mbuf_log { 918 struct mbuf *mp; /* FIXME: LP64 issue */ 919 caddr_t ext; 920 caddr_t data; 921 uint16_t size; 922 uint8_t refcnt; 923 uint8_t mbuf_flags; 924 }; 925 926 struct sctp_cwnd_log { 927 uint64_t time_event; 928 uint8_t from; 929 uint8_t event_type; 930 uint8_t resv[2]; 931 union { 932 struct sctp_log_closing close; 933 struct sctp_blk_args blk; 934 struct sctp_cwnd_args cwnd; 935 struct sctp_str_log strlog; 936 struct sctp_fr_log fr; 937 struct sctp_fr_map map; 938 struct sctp_rwnd_log rwnd; 939 struct sctp_mbcnt_log mbcnt; 940 struct sctp_sack_log sack; 941 struct sctp_lock_log lock; 942 struct sctp_rto_log rto; 943 struct sctp_sb_log sb; 944 struct sctp_nagle_log nagle; 945 struct sctp_sbwake_log wake; 946 struct sctp_mbuf_log mb; 947 struct sctp_misc_info misc; 948 } x; 949 }; 950 951 struct sctp_cwnd_log_req { 952 int32_t num_in_log; /* Number in log */ 953 int32_t num_ret; /* Number returned */ 954 int32_t start_at; /* start at this one */ 955 int32_t end_at; /* end at this one */ 956 struct sctp_cwnd_log log[]; 957 }; 958 959 struct sctp_timeval { 960 uint32_t tv_sec; 961 uint32_t tv_usec; 962 }; 963 964 struct sctpstat { 965 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 966 /* MIB according to RFC 3873 */ 967 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 968 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 969 uint32_t sctps_restartestab; 970 uint32_t sctps_collisionestab; 971 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 972 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 973 uint32_t sctps_shutdown; /* sctpStats 5 (Counter32) */ 974 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 975 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 976 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 977 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 978 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 979 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 980 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 981 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 982 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 983 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 984 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 985 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 986 987 /* input statistics: */ 988 uint32_t sctps_recvpackets; /* total input packets */ 989 uint32_t sctps_recvdatagrams; /* total input datagrams */ 990 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 991 uint32_t sctps_recvsacks; /* total input SACK chunks */ 992 uint32_t sctps_recvdata; /* total input DATA chunks */ 993 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 994 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 995 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 996 uint32_t sctps_recvecne; /* total input ECNE chunks */ 997 uint32_t sctps_recvauth; /* total input AUTH chunks */ 998 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 999 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids received */ 1000 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids received */ 1001 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 1002 uint32_t sctps_recvexpress; /* total fast path receives all one chunk */ 1003 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 1004 uint32_t sctps_recv_spare; /* formerly sctps_recvnocrc */ 1005 uint32_t sctps_recvswcrc; 1006 uint32_t sctps_recvhwcrc; 1007 1008 /* output statistics: */ 1009 uint32_t sctps_sendpackets; /* total output packets */ 1010 uint32_t sctps_sendsacks; /* total output SACKs */ 1011 uint32_t sctps_senddata; /* total output DATA chunks */ 1012 uint32_t sctps_sendretransdata; /* total output retransmitted DATA chunks */ 1013 uint32_t sctps_sendfastretrans; /* total output fast retransmitted DATA chunks */ 1014 uint32_t sctps_sendmultfastretrans; /* total FR's that happened more than once 1015 * to same chunk (u-del multi-fr algo). 1016 */ 1017 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 1018 uint32_t sctps_sendecne; /* total output ECNE chunks */ 1019 uint32_t sctps_sendauth; /* total output AUTH chunks FIXME */ 1020 uint32_t sctps_senderrors; /* ip_output error counter */ 1021 uint32_t sctps_send_spare; /* formerly sctps_sendnocrc */ 1022 uint32_t sctps_sendswcrc; 1023 uint32_t sctps_sendhwcrc; 1024 /* PCKDROPREP statistics: */ 1025 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 1026 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 1027 uint32_t sctps_pdrpmbda; /* P-drops with data */ 1028 uint32_t sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ 1029 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */ 1030 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1031 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1032 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */ 1033 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1034 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1035 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1036 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1037 uint32_t sctps_pdrpbadd; /* P-drop, data did not match TSN */ 1038 uint32_t sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */ 1039 /* timeouts */ 1040 uint32_t sctps_timoiterator; /* Number of iterator timers that fired */ 1041 uint32_t sctps_timodata; /* Number of T3 data time outs */ 1042 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers that fired */ 1043 uint32_t sctps_timoinit; /* Number of INIT timers that fired */ 1044 uint32_t sctps_timosack; /* Number of sack timers that fired */ 1045 uint32_t sctps_timoshutdown; /* Number of shutdown timers that fired */ 1046 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that fired */ 1047 uint32_t sctps_timocookie; /* Number of times a cookie timeout fired */ 1048 uint32_t sctps_timosecret; /* Number of times an endpoint changed its cookie secret*/ 1049 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1050 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that fired */ 1051 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard timers that fired */ 1052 uint32_t sctps_timostrmrst; /* Number of stream reset timers that fired */ 1053 uint32_t sctps_timoearlyfr; /* Number of early FR timers that fired */ 1054 uint32_t sctps_timoasconf; /* Number of times an asconf timer fired */ 1055 uint32_t sctps_timodelprim; /* Number of times a prim_deleted timer fired */ 1056 uint32_t sctps_timoautoclose; /* Number of times auto close timer fired */ 1057 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1058 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1059 /* former early FR counters */ 1060 uint32_t sctps_spare[11]; 1061 /* others */ 1062 uint32_t sctps_hdrops; /* packet shorter than header */ 1063 uint32_t sctps_badsum; /* checksum error */ 1064 uint32_t sctps_noport; /* no endpoint for port */ 1065 uint32_t sctps_badvtag; /* bad v-tag */ 1066 uint32_t sctps_badsid; /* bad SID */ 1067 uint32_t sctps_nomem; /* no memory */ 1068 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a RTT window */ 1069 uint32_t sctps_markedretrans; 1070 uint32_t sctps_naglesent; /* nagle allowed sending */ 1071 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1072 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1073 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1074 * interface ring buffer OR we had a 1075 * send error and are queuing one send. 1076 */ 1077 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1078 uint32_t sctps_lowlevelerr; /* total times an output error causes us 1079 * to clamp down on next user send. 1080 */ 1081 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were caused from 1082 * a user send from a user invoked send not 1083 * a sack response 1084 */ 1085 uint32_t sctps_datadropchklmt; /* Number of in data drops due to chunk limit reached */ 1086 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd limit reached */ 1087 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the cwnd */ 1088 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1089 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1090 uint32_t sctps_primary_randry; /* Number of times the sender ran dry of user data on primary */ 1091 uint32_t sctps_cmt_randry; /* Same for above */ 1092 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1093 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1094 uint32_t sctps_sends_with_flags; /* number of sends with sinfo_flags !=0 */ 1095 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1096 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1097 uint32_t sctps_sends_with_abort; /* number of sends with ABORT flag set */ 1098 uint32_t sctps_protocol_drain_calls; /* number of times protocol drain called */ 1099 uint32_t sctps_protocol_drains_done; /* number of times we did a protocol drain */ 1100 uint32_t sctps_read_peeks; /* Number of times recv was called with peek */ 1101 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1102 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1103 uint32_t sctps_left_abandon; /* Number of unread messages abandoned by close */ 1104 uint32_t sctps_send_burst_avoid; /* Unused */ 1105 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already max burst inflight to net */ 1106 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via fwd-tsn's */ 1107 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or updated an ECN chunk on send queue */ 1108 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's from here when adding new */ 1109 }; 1110 1111 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1112 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1113 #if defined(__FreeBSD__) && !defined(__Userspace__) 1114 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1115 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1116 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1117 #else 1118 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1119 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1120 #endif 1121 #else 1122 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1123 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1124 #endif 1125 /* The following macros are for handling MIB values, */ 1126 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1127 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1128 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1129 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1130 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1131 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1132 1133 /***********************************/ 1134 /* And something for us old timers */ 1135 /***********************************/ 1136 1137 #if !(defined(__APPLE__) && !defined(__Userspace__)) 1138 #if !defined(__Userspace__) 1139 #ifndef ntohll 1140 #if defined(__linux__) 1141 #ifndef _BSD_SOURCE 1142 #define _BSD_SOURCE 1143 #endif 1144 #include <endian.h> 1145 #else 1146 #include <sys/endian.h> 1147 #endif 1148 #define ntohll(x) be64toh(x) 1149 #endif 1150 1151 #ifndef htonll 1152 #if defined(__linux__) 1153 #ifndef _BSD_SOURCE 1154 #define _BSD_SOURCE 1155 #endif 1156 #include <endian.h> 1157 #else 1158 #include <sys/endian.h> 1159 #endif 1160 #define htonll(x) htobe64(x) 1161 #endif 1162 #endif 1163 #endif 1164 /***********************************/ 1165 1166 struct xsctp_inpcb { 1167 uint32_t last; 1168 uint32_t flags; 1169 uint64_t features; 1170 uint32_t total_sends; 1171 uint32_t total_recvs; 1172 uint32_t total_nospaces; 1173 uint32_t fragmentation_point; 1174 uint16_t local_port; 1175 #if defined(__FreeBSD__) && !defined(__Userspace__) 1176 uint16_t qlen_old; 1177 uint16_t maxqlen_old; 1178 #else 1179 uint16_t qlen; 1180 uint16_t maxqlen; 1181 #endif 1182 uint16_t __spare16; 1183 #if defined(__FreeBSD__) && !defined(__Userspace__) 1184 kvaddr_t socket; 1185 #else 1186 void *socket; 1187 #endif 1188 #if defined(__FreeBSD__) && !defined(__Userspace__) 1189 uint32_t qlen; 1190 uint32_t maxqlen; 1191 #endif 1192 uint32_t extra_padding[26]; /* future */ 1193 }; 1194 1195 struct xsctp_tcb { 1196 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1197 uint32_t last; 1198 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1199 uint32_t state; /* sctpAssocEntry 8 */ 1200 uint32_t in_streams; /* sctpAssocEntry 9 */ 1201 uint32_t out_streams; /* sctpAssocEntry 10 */ 1202 uint32_t max_nr_retrans; /* sctpAssocEntry 11 */ 1203 uint32_t primary_process; /* sctpAssocEntry 12 */ 1204 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1205 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1206 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1207 uint32_t total_sends; 1208 uint32_t total_recvs; 1209 uint32_t local_tag; 1210 uint32_t remote_tag; 1211 uint32_t initial_tsn; 1212 uint32_t highest_tsn; 1213 uint32_t cumulative_tsn; 1214 uint32_t cumulative_tsn_ack; 1215 uint32_t mtu; 1216 uint32_t refcnt; 1217 uint16_t local_port; /* sctpAssocEntry 3 */ 1218 uint16_t remote_port; /* sctpAssocEntry 4 */ 1219 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1220 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1221 uint32_t peers_rwnd; 1222 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1223 uint32_t extra_padding[32]; /* future */ 1224 }; 1225 1226 struct xsctp_laddr { 1227 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1228 uint32_t last; 1229 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1230 uint32_t extra_padding[32]; /* future */ 1231 }; 1232 1233 struct xsctp_raddr { 1234 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1235 uint32_t last; 1236 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1237 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1238 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1239 uint32_t error_counter; /* */ 1240 uint32_t cwnd; /* */ 1241 uint32_t flight_size; /* */ 1242 uint32_t mtu; /* */ 1243 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1244 uint8_t confirmed; /* */ 1245 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1246 uint8_t potentially_failed; 1247 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1248 uint32_t rtt; 1249 uint32_t heartbeat_interval; 1250 uint32_t ssthresh; 1251 uint16_t encaps_port; 1252 uint16_t state; 1253 uint32_t extra_padding[29]; /* future */ 1254 }; 1255 1256 #define SCTP_MAX_LOGGING_SIZE 30000 1257 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1258 1259 struct sctp_log_entry { 1260 uint64_t timestamp; 1261 uint32_t subsys; 1262 uint32_t padding; 1263 uint32_t params[SCTP_TRACE_PARAMS]; 1264 }; 1265 1266 struct sctp_log { 1267 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1268 uint32_t index; 1269 uint32_t padding; 1270 }; 1271 1272 /* 1273 * Kernel defined for sctp_send 1274 */ 1275 #if defined(_KERNEL) || defined(__Userspace__) 1276 int 1277 sctp_lower_sosend(struct socket *so, 1278 struct sockaddr *addr, 1279 struct uio *uio, 1280 struct mbuf *i_pak, 1281 struct mbuf *control, 1282 int flags, 1283 struct sctp_sndrcvinfo *srcv 1284 #if !defined(__Userspace__) 1285 #if defined(__FreeBSD__) 1286 ,struct thread *p 1287 #elif defined(_WIN32) 1288 , PKTHREAD p 1289 #else 1290 ,struct proc *p 1291 #endif 1292 #endif 1293 ); 1294 1295 int 1296 sctp_sorecvmsg(struct socket *so, 1297 struct uio *uio, 1298 struct mbuf **mp, 1299 struct sockaddr *from, 1300 int fromlen, 1301 int *msg_flags, 1302 struct sctp_sndrcvinfo *sinfo, 1303 int filling_sinfo); 1304 #endif 1305 1306 /* 1307 * API system calls 1308 */ 1309 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1310 1311 __BEGIN_DECLS 1312 int sctp_peeloff(int, sctp_assoc_t); 1313 int sctp_bindx(int, struct sockaddr *, int, int); 1314 int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *); 1315 int sctp_getaddrlen(sa_family_t); 1316 int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **); 1317 void sctp_freepaddrs(struct sockaddr *); 1318 int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **); 1319 void sctp_freeladdrs(struct sockaddr *); 1320 int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *); 1321 1322 /* deprecated */ 1323 ssize_t sctp_sendmsg(int, const void *, size_t, const struct sockaddr *, 1324 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1325 1326 /* deprecated */ 1327 ssize_t sctp_send(int, const void *, size_t, 1328 const struct sctp_sndrcvinfo *, int); 1329 1330 /* deprecated */ 1331 ssize_t sctp_sendx(int, const void *, size_t, struct sockaddr *, 1332 int, struct sctp_sndrcvinfo *, int); 1333 1334 /* deprecated */ 1335 ssize_t sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *, 1336 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1337 1338 sctp_assoc_t sctp_getassocid(int, struct sockaddr *); 1339 1340 /* deprecated */ 1341 ssize_t sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *, 1342 struct sctp_sndrcvinfo *, int *); 1343 1344 ssize_t sctp_sendv(int, const struct iovec *, int, struct sockaddr *, 1345 int, void *, socklen_t, unsigned int, int); 1346 1347 ssize_t sctp_recvv(int, const struct iovec *, int, struct sockaddr *, 1348 socklen_t *, void *, socklen_t *, unsigned int *, int *); 1349 __END_DECLS 1350 1351 #endif /* !_KERNEL */ 1352 #endif /* !__sctp_uio_h__ */ 1353