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 362473 2020-06-21 23:12:56Z tuexen $"); 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 49 #if !defined(_WIN32) 50 #if !defined(_KERNEL) 51 #include <stdint.h> 52 #endif 53 #include <sys/types.h> 54 #include <sys/socket.h> 55 #include <netinet/in.h> 56 #endif 57 #if defined(_WIN32) && !defined(__Userspace__) 58 #pragma warning(push) 59 #pragma warning(disable: 4200) 60 #if defined(_KERNEL) 61 #include <sys/types.h> 62 #include <sys/socket.h> 63 #include <netinet/in.h> 64 #endif 65 #endif 66 67 typedef uint32_t sctp_assoc_t; 68 69 #define SCTP_FUTURE_ASSOC 0 70 #define SCTP_CURRENT_ASSOC 1 71 #define SCTP_ALL_ASSOC 2 72 73 struct sctp_event { 74 sctp_assoc_t se_assoc_id; 75 uint16_t se_type; 76 uint8_t se_on; 77 }; 78 79 /* Compatibility to previous define's */ 80 #define sctp_stream_reset_events sctp_stream_reset_event 81 82 /* On/Off setup for subscription to events */ 83 struct sctp_event_subscribe { 84 uint8_t sctp_data_io_event; 85 uint8_t sctp_association_event; 86 uint8_t sctp_address_event; 87 uint8_t sctp_send_failure_event; 88 uint8_t sctp_peer_error_event; 89 uint8_t sctp_shutdown_event; 90 uint8_t sctp_partial_delivery_event; 91 uint8_t sctp_adaptation_layer_event; 92 uint8_t sctp_authentication_event; 93 uint8_t sctp_sender_dry_event; 94 uint8_t sctp_stream_reset_event; 95 }; 96 97 /* ancillary data types */ 98 #define SCTP_INIT 0x0001 99 #define SCTP_SNDRCV 0x0002 100 #define SCTP_EXTRCV 0x0003 101 #define SCTP_SNDINFO 0x0004 102 #define SCTP_RCVINFO 0x0005 103 #define SCTP_NXTINFO 0x0006 104 #define SCTP_PRINFO 0x0007 105 #define SCTP_AUTHINFO 0x0008 106 #define SCTP_DSTADDRV4 0x0009 107 #define SCTP_DSTADDRV6 0x000a 108 109 /* 110 * ancillary data structures 111 */ 112 struct sctp_initmsg { 113 uint16_t sinit_num_ostreams; 114 uint16_t sinit_max_instreams; 115 uint16_t sinit_max_attempts; 116 uint16_t sinit_max_init_timeo; 117 }; 118 119 /* We add 96 bytes to the size of sctp_sndrcvinfo. 120 * This makes the current structure 128 bytes long 121 * which is nicely 64 bit aligned but also has room 122 * for us to add more and keep ABI compatibility. 123 * For example, already we have the sctp_extrcvinfo 124 * when enabled which is 48 bytes. 125 */ 126 127 /* 128 * The assoc up needs a verfid 129 * all sendrcvinfo's need a verfid for SENDING only. 130 */ 131 132 133 #define SCTP_ALIGN_RESV_PAD 92 134 #define SCTP_ALIGN_RESV_PAD_SHORT 76 135 136 struct sctp_sndrcvinfo { 137 uint16_t sinfo_stream; 138 uint16_t sinfo_ssn; 139 uint16_t sinfo_flags; 140 uint32_t sinfo_ppid; 141 uint32_t sinfo_context; 142 uint32_t sinfo_timetolive; 143 uint32_t sinfo_tsn; 144 uint32_t sinfo_cumtsn; 145 sctp_assoc_t sinfo_assoc_id; 146 uint16_t sinfo_keynumber; 147 uint16_t sinfo_keynumber_valid; 148 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 149 }; 150 151 struct sctp_extrcvinfo { 152 uint16_t sinfo_stream; 153 uint16_t sinfo_ssn; 154 uint16_t sinfo_flags; 155 uint32_t sinfo_ppid; 156 uint32_t sinfo_context; 157 uint32_t sinfo_timetolive; /* should have been sinfo_pr_value */ 158 uint32_t sinfo_tsn; 159 uint32_t sinfo_cumtsn; 160 sctp_assoc_t sinfo_assoc_id; 161 uint16_t serinfo_next_flags; 162 uint16_t serinfo_next_stream; 163 uint32_t serinfo_next_aid; 164 uint32_t serinfo_next_length; 165 uint32_t serinfo_next_ppid; 166 uint16_t sinfo_keynumber; 167 uint16_t sinfo_keynumber_valid; 168 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 169 }; 170 #define sinfo_pr_value sinfo_timetolive 171 #define sreinfo_next_flags serinfo_next_flags 172 #define sreinfo_next_stream serinfo_next_stream 173 #define sreinfo_next_aid serinfo_next_aid 174 #define sreinfo_next_length serinfo_next_length 175 #define sreinfo_next_ppid serinfo_next_ppid 176 177 struct sctp_sndinfo { 178 uint16_t snd_sid; 179 uint16_t snd_flags; 180 uint32_t snd_ppid; 181 uint32_t snd_context; 182 sctp_assoc_t snd_assoc_id; 183 }; 184 185 struct sctp_prinfo { 186 uint16_t pr_policy; 187 uint32_t pr_value; 188 }; 189 190 struct sctp_default_prinfo { 191 uint16_t pr_policy; 192 uint32_t pr_value; 193 sctp_assoc_t pr_assoc_id; 194 }; 195 196 struct sctp_authinfo { 197 uint16_t auth_keynumber; 198 }; 199 200 struct sctp_rcvinfo { 201 uint16_t rcv_sid; 202 uint16_t rcv_ssn; 203 uint16_t rcv_flags; 204 uint32_t rcv_ppid; 205 uint32_t rcv_tsn; 206 uint32_t rcv_cumtsn; 207 uint32_t rcv_context; 208 sctp_assoc_t rcv_assoc_id; 209 }; 210 211 struct sctp_nxtinfo { 212 uint16_t nxt_sid; 213 uint16_t nxt_flags; 214 uint32_t nxt_ppid; 215 uint32_t nxt_length; 216 sctp_assoc_t nxt_assoc_id; 217 }; 218 219 #define SCTP_NO_NEXT_MSG 0x0000 220 #define SCTP_NEXT_MSG_AVAIL 0x0001 221 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 222 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 223 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 224 225 struct sctp_recvv_rn { 226 struct sctp_rcvinfo recvv_rcvinfo; 227 struct sctp_nxtinfo recvv_nxtinfo; 228 }; 229 230 #define SCTP_RECVV_NOINFO 0 231 #define SCTP_RECVV_RCVINFO 1 232 #define SCTP_RECVV_NXTINFO 2 233 #define SCTP_RECVV_RN 3 234 235 #define SCTP_SENDV_NOINFO 0 236 #define SCTP_SENDV_SNDINFO 1 237 #define SCTP_SENDV_PRINFO 2 238 #define SCTP_SENDV_AUTHINFO 3 239 #define SCTP_SENDV_SPA 4 240 241 struct sctp_sendv_spa { 242 uint32_t sendv_flags; 243 struct sctp_sndinfo sendv_sndinfo; 244 struct sctp_prinfo sendv_prinfo; 245 struct sctp_authinfo sendv_authinfo; 246 }; 247 248 #define SCTP_SEND_SNDINFO_VALID 0x00000001 249 #define SCTP_SEND_PRINFO_VALID 0x00000002 250 #define SCTP_SEND_AUTHINFO_VALID 0x00000004 251 252 struct sctp_snd_all_completes { 253 uint16_t sall_stream; 254 uint16_t sall_flags; 255 uint32_t sall_ppid; 256 uint32_t sall_context; 257 uint32_t sall_num_sent; 258 uint32_t sall_num_failed; 259 }; 260 261 /* Flags that go into the sinfo->sinfo_flags field */ 262 #define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ 263 #define SCTP_COMPLETE 0x0020 /* next message is complete */ 264 #define SCTP_EOF 0x0100 /* Start shutdown procedures */ 265 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 266 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 267 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 268 #define SCTP_SENDALL 0x1000 /* Send this on all associations */ 269 #define SCTP_EOR 0x2000 /* end of message signal */ 270 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 271 272 #define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ 273 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 274 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 275 SCTP_SACK_IMMEDIATELY)) != 0) 276 /* for the endpoint */ 277 278 /* The lower four bits is an enumeration of PR-SCTP policies */ 279 #define SCTP_PR_SCTP_NONE 0x0000 /* Reliable transfer */ 280 #define SCTP_PR_SCTP_TTL 0x0001 /* Time based PR-SCTP */ 281 #define SCTP_PR_SCTP_PRIO 0x0002 /* Buffer based PR-SCTP */ 282 #define SCTP_PR_SCTP_BUF SCTP_PR_SCTP_PRIO /* For backwards compatibility */ 283 #define SCTP_PR_SCTP_RTX 0x0003 /* Number of retransmissions based PR-SCTP */ 284 #define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX 285 #define SCTP_PR_SCTP_ALL 0x000f /* Used for aggregated stats */ 286 287 #define PR_SCTP_POLICY(x) ((x) & 0x0f) 288 #define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \ 289 (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL)) 290 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 291 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 292 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 293 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX) 294 #define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX) 295 296 /* Stat's */ 297 struct sctp_pcbinfo { 298 uint32_t ep_count; 299 uint32_t asoc_count; 300 uint32_t laddr_count; 301 uint32_t raddr_count; 302 uint32_t chk_count; 303 uint32_t readq_count; 304 uint32_t free_chunks; 305 uint32_t stream_oque; 306 }; 307 308 struct sctp_sockstat { 309 sctp_assoc_t ss_assoc_id; 310 uint32_t ss_total_sndbuf; 311 uint32_t ss_total_recv_buf; 312 }; 313 314 /* 315 * notification event structures 316 */ 317 318 /* 319 * association change event 320 */ 321 struct sctp_assoc_change { 322 uint16_t sac_type; 323 uint16_t sac_flags; 324 uint32_t sac_length; 325 uint16_t sac_state; 326 uint16_t sac_error; 327 uint16_t sac_outbound_streams; 328 uint16_t sac_inbound_streams; 329 sctp_assoc_t sac_assoc_id; 330 uint8_t sac_info[]; 331 }; 332 333 /* sac_state values */ 334 #define SCTP_COMM_UP 0x0001 335 #define SCTP_COMM_LOST 0x0002 336 #define SCTP_RESTART 0x0003 337 #define SCTP_SHUTDOWN_COMP 0x0004 338 #define SCTP_CANT_STR_ASSOC 0x0005 339 340 /* sac_info values */ 341 #define SCTP_ASSOC_SUPPORTS_PR 0x01 342 #define SCTP_ASSOC_SUPPORTS_AUTH 0x02 343 #define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 344 #define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 345 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 346 #define SCTP_ASSOC_SUPPORTS_INTERLEAVING 0x06 347 #define SCTP_ASSOC_SUPPORTS_MAX 0x06 348 /* 349 * Address event 350 */ 351 struct sctp_paddr_change { 352 uint16_t spc_type; 353 uint16_t spc_flags; 354 uint32_t spc_length; 355 struct sockaddr_storage spc_aaddr; 356 uint32_t spc_state; 357 uint32_t spc_error; 358 sctp_assoc_t spc_assoc_id; 359 }; 360 361 /* paddr state values */ 362 #define SCTP_ADDR_AVAILABLE 0x0001 363 #define SCTP_ADDR_UNREACHABLE 0x0002 364 #define SCTP_ADDR_REMOVED 0x0003 365 #define SCTP_ADDR_ADDED 0x0004 366 #define SCTP_ADDR_MADE_PRIM 0x0005 367 #define SCTP_ADDR_CONFIRMED 0x0006 368 369 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 370 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE 371 nor SCTP_ADDR_UNCONFIRMED */ 372 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 373 374 /* remote error events */ 375 struct sctp_remote_error { 376 uint16_t sre_type; 377 uint16_t sre_flags; 378 uint32_t sre_length; 379 uint16_t sre_error; 380 sctp_assoc_t sre_assoc_id; 381 uint8_t sre_data[]; 382 }; 383 384 /* data send failure event (deprecated) */ 385 struct sctp_send_failed { 386 uint16_t ssf_type; 387 uint16_t ssf_flags; 388 uint32_t ssf_length; 389 uint32_t ssf_error; 390 struct sctp_sndrcvinfo ssf_info; 391 sctp_assoc_t ssf_assoc_id; 392 uint8_t ssf_data[]; 393 }; 394 395 /* data send failure event (not deprecated) */ 396 struct sctp_send_failed_event { 397 uint16_t ssfe_type; 398 uint16_t ssfe_flags; 399 uint32_t ssfe_length; 400 uint32_t ssfe_error; 401 struct sctp_sndinfo ssfe_info; 402 sctp_assoc_t ssfe_assoc_id; 403 uint8_t ssfe_data[]; 404 }; 405 406 /* flag that indicates state of data */ 407 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 408 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 409 410 /* shutdown event */ 411 struct sctp_shutdown_event { 412 uint16_t sse_type; 413 uint16_t sse_flags; 414 uint32_t sse_length; 415 sctp_assoc_t sse_assoc_id; 416 }; 417 418 /* Adaptation layer indication stuff */ 419 struct sctp_adaptation_event { 420 uint16_t sai_type; 421 uint16_t sai_flags; 422 uint32_t sai_length; 423 uint32_t sai_adaptation_ind; 424 sctp_assoc_t sai_assoc_id; 425 }; 426 427 struct sctp_setadaptation { 428 uint32_t ssb_adaptation_ind; 429 }; 430 431 /* compatible old spelling */ 432 struct sctp_adaption_event { 433 uint16_t sai_type; 434 uint16_t sai_flags; 435 uint32_t sai_length; 436 uint32_t sai_adaption_ind; 437 sctp_assoc_t sai_assoc_id; 438 }; 439 440 struct sctp_setadaption { 441 uint32_t ssb_adaption_ind; 442 }; 443 444 445 /* 446 * Partial Delivery API event 447 */ 448 struct sctp_pdapi_event { 449 uint16_t pdapi_type; 450 uint16_t pdapi_flags; 451 uint32_t pdapi_length; 452 uint32_t pdapi_indication; 453 uint16_t pdapi_stream; 454 uint16_t pdapi_seq; 455 sctp_assoc_t pdapi_assoc_id; 456 }; 457 458 /* indication values */ 459 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 460 461 462 /* 463 * authentication key event 464 */ 465 struct sctp_authkey_event { 466 uint16_t auth_type; 467 uint16_t auth_flags; 468 uint32_t auth_length; 469 uint16_t auth_keynumber; 470 uint16_t auth_altkeynumber; 471 uint32_t auth_indication; 472 sctp_assoc_t auth_assoc_id; 473 }; 474 475 /* indication values */ 476 #define SCTP_AUTH_NEW_KEY 0x0001 477 #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 478 #define SCTP_AUTH_NO_AUTH 0x0002 479 #define SCTP_AUTH_FREE_KEY 0x0003 480 481 482 struct sctp_sender_dry_event { 483 uint16_t sender_dry_type; 484 uint16_t sender_dry_flags; 485 uint32_t sender_dry_length; 486 sctp_assoc_t sender_dry_assoc_id; 487 }; 488 489 490 /* 491 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 492 */ 493 struct sctp_stream_reset_event { 494 uint16_t strreset_type; 495 uint16_t strreset_flags; 496 uint32_t strreset_length; 497 sctp_assoc_t strreset_assoc_id; 498 uint16_t strreset_stream_list[]; 499 }; 500 501 /* flags in stream_reset_event (strreset_flags) */ 502 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 503 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 504 #define SCTP_STREAM_RESET_DENIED 0x0004 505 #define SCTP_STREAM_RESET_FAILED 0x0008 506 507 /* 508 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 509 */ 510 struct sctp_assoc_reset_event { 511 uint16_t assocreset_type; 512 uint16_t assocreset_flags; 513 uint32_t assocreset_length; 514 sctp_assoc_t assocreset_assoc_id; 515 uint32_t assocreset_local_tsn; 516 uint32_t assocreset_remote_tsn; 517 }; 518 519 #define SCTP_ASSOC_RESET_DENIED 0x0004 520 #define SCTP_ASSOC_RESET_FAILED 0x0008 521 522 /* 523 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 524 */ 525 struct sctp_stream_change_event { 526 uint16_t strchange_type; 527 uint16_t strchange_flags; 528 uint32_t strchange_length; 529 sctp_assoc_t strchange_assoc_id; 530 uint16_t strchange_instrms; 531 uint16_t strchange_outstrms; 532 }; 533 534 #define SCTP_STREAM_CHANGE_DENIED 0x0004 535 #define SCTP_STREAM_CHANGE_FAILED 0x0008 536 537 538 /* SCTP notification event */ 539 struct sctp_tlv { 540 uint16_t sn_type; 541 uint16_t sn_flags; 542 uint32_t sn_length; 543 }; 544 545 union sctp_notification { 546 struct sctp_tlv sn_header; 547 struct sctp_assoc_change sn_assoc_change; 548 struct sctp_paddr_change sn_paddr_change; 549 struct sctp_remote_error sn_remote_error; 550 struct sctp_send_failed sn_send_failed; 551 struct sctp_shutdown_event sn_shutdown_event; 552 struct sctp_adaptation_event sn_adaptation_event; 553 /* compatibility same as above */ 554 struct sctp_adaption_event sn_adaption_event; 555 struct sctp_pdapi_event sn_pdapi_event; 556 struct sctp_authkey_event sn_auth_event; 557 struct sctp_sender_dry_event sn_sender_dry_event; 558 struct sctp_send_failed_event sn_send_failed_event; 559 struct sctp_stream_reset_event sn_strreset_event; 560 struct sctp_assoc_reset_event sn_assocreset_event; 561 struct sctp_stream_change_event sn_strchange_event; 562 }; 563 564 /* notification types */ 565 #define SCTP_ASSOC_CHANGE 0x0001 566 #define SCTP_PEER_ADDR_CHANGE 0x0002 567 #define SCTP_REMOTE_ERROR 0x0003 568 #define SCTP_SEND_FAILED 0x0004 569 #define SCTP_SHUTDOWN_EVENT 0x0005 570 #define SCTP_ADAPTATION_INDICATION 0x0006 571 /* same as above */ 572 #define SCTP_ADAPTION_INDICATION 0x0006 573 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 574 #define SCTP_AUTHENTICATION_EVENT 0x0008 575 #define SCTP_STREAM_RESET_EVENT 0x0009 576 #define SCTP_SENDER_DRY_EVENT 0x000a 577 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this*/ 578 #define SCTP_ASSOC_RESET_EVENT 0x000c 579 #define SCTP_STREAM_CHANGE_EVENT 0x000d 580 #define SCTP_SEND_FAILED_EVENT 0x000e 581 /* 582 * socket option structs 583 */ 584 585 struct sctp_paddrparams { 586 struct sockaddr_storage spp_address; 587 sctp_assoc_t spp_assoc_id; 588 uint32_t spp_hbinterval; 589 uint32_t spp_pathmtu; 590 uint32_t spp_flags; 591 uint32_t spp_ipv6_flowlabel; 592 uint16_t spp_pathmaxrxt; 593 uint8_t spp_dscp; 594 }; 595 #define spp_ipv4_tos spp_dscp 596 597 #define SPP_HB_ENABLE 0x00000001 598 #define SPP_HB_DISABLE 0x00000002 599 #define SPP_HB_DEMAND 0x00000004 600 #define SPP_PMTUD_ENABLE 0x00000008 601 #define SPP_PMTUD_DISABLE 0x00000010 602 #define SPP_HB_TIME_IS_ZERO 0x00000080 603 #define SPP_IPV6_FLOWLABEL 0x00000100 604 #define SPP_DSCP 0x00000200 605 #define SPP_IPV4_TOS SPP_DSCP 606 607 struct sctp_paddrthlds { 608 struct sockaddr_storage spt_address; 609 sctp_assoc_t spt_assoc_id; 610 uint16_t spt_pathmaxrxt; 611 uint16_t spt_pathpfthld; 612 uint16_t spt_pathcpthld; 613 }; 614 615 struct sctp_paddrinfo { 616 struct sockaddr_storage spinfo_address; 617 sctp_assoc_t spinfo_assoc_id; 618 int32_t spinfo_state; 619 uint32_t spinfo_cwnd; 620 uint32_t spinfo_srtt; 621 uint32_t spinfo_rto; 622 uint32_t spinfo_mtu; 623 }; 624 625 struct sctp_rtoinfo { 626 sctp_assoc_t srto_assoc_id; 627 uint32_t srto_initial; 628 uint32_t srto_max; 629 uint32_t srto_min; 630 }; 631 632 struct sctp_assocparams { 633 sctp_assoc_t sasoc_assoc_id; 634 uint32_t sasoc_peer_rwnd; 635 uint32_t sasoc_local_rwnd; 636 uint32_t sasoc_cookie_life; 637 uint16_t sasoc_asocmaxrxt; 638 uint16_t sasoc_number_peer_destinations; 639 }; 640 641 struct sctp_setprim { 642 struct sockaddr_storage ssp_addr; 643 sctp_assoc_t ssp_assoc_id; 644 uint8_t ssp_padding[4]; 645 }; 646 647 struct sctp_setpeerprim { 648 struct sockaddr_storage sspp_addr; 649 sctp_assoc_t sspp_assoc_id; 650 uint8_t sspp_padding[4]; 651 }; 652 653 union sctp_sockstore { 654 struct sockaddr_in sin; 655 struct sockaddr_in6 sin6; 656 #if defined(__Userspace__) 657 struct sockaddr_conn sconn; 658 #endif 659 struct sockaddr sa; 660 }; 661 662 struct sctp_getaddresses { 663 sctp_assoc_t sget_assoc_id; 664 union sctp_sockstore addr[]; 665 }; 666 667 struct sctp_status { 668 sctp_assoc_t sstat_assoc_id; 669 int32_t sstat_state; 670 uint32_t sstat_rwnd; 671 uint16_t sstat_unackdata; 672 uint16_t sstat_penddata; 673 uint16_t sstat_instrms; 674 uint16_t sstat_outstrms; 675 uint32_t sstat_fragmentation_point; 676 struct sctp_paddrinfo sstat_primary; 677 }; 678 679 /* 680 * AUTHENTICATION support 681 */ 682 /* SCTP_AUTH_CHUNK */ 683 struct sctp_authchunk { 684 uint8_t sauth_chunk; 685 }; 686 687 /* SCTP_AUTH_KEY */ 688 struct sctp_authkey { 689 sctp_assoc_t sca_assoc_id; 690 uint16_t sca_keynumber; 691 uint16_t sca_keylength; 692 uint8_t sca_key[]; 693 }; 694 695 /* SCTP_HMAC_IDENT */ 696 struct sctp_hmacalgo { 697 uint32_t shmac_number_of_idents; 698 uint16_t shmac_idents[]; 699 }; 700 701 /* AUTH hmac_id */ 702 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 703 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 704 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 705 706 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 707 struct sctp_authkeyid { 708 sctp_assoc_t scact_assoc_id; 709 uint16_t scact_keynumber; 710 }; 711 712 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 713 struct sctp_authchunks { 714 sctp_assoc_t gauth_assoc_id; 715 uint32_t gauth_number_of_chunks; 716 uint8_t gauth_chunks[]; 717 }; 718 719 struct sctp_assoc_value { 720 sctp_assoc_t assoc_id; 721 uint32_t assoc_value; 722 }; 723 724 struct sctp_cc_option { 725 int option; 726 struct sctp_assoc_value aid_value; 727 }; 728 729 struct sctp_stream_value { 730 sctp_assoc_t assoc_id; 731 uint16_t stream_id; 732 uint16_t stream_value; 733 }; 734 735 struct sctp_assoc_ids { 736 uint32_t gaids_number_of_ids; 737 sctp_assoc_t gaids_assoc_id[]; 738 }; 739 740 struct sctp_sack_info { 741 sctp_assoc_t sack_assoc_id; 742 uint32_t sack_delay; 743 uint32_t sack_freq; 744 }; 745 746 struct sctp_timeouts { 747 sctp_assoc_t stimo_assoc_id; 748 uint32_t stimo_init; 749 uint32_t stimo_data; 750 uint32_t stimo_sack; 751 uint32_t stimo_shutdown; 752 uint32_t stimo_heartbeat; 753 uint32_t stimo_cookie; 754 uint32_t stimo_shutdownack; 755 }; 756 757 struct sctp_udpencaps { 758 struct sockaddr_storage sue_address; 759 sctp_assoc_t sue_assoc_id; 760 uint16_t sue_port; 761 }; 762 763 struct sctp_prstatus { 764 sctp_assoc_t sprstat_assoc_id; 765 uint16_t sprstat_sid; 766 uint16_t sprstat_policy; 767 uint64_t sprstat_abandoned_unsent; 768 uint64_t sprstat_abandoned_sent; 769 }; 770 771 struct sctp_cwnd_args { 772 struct sctp_nets *net; /* network to */ /* FIXME: LP64 issue */ 773 uint32_t cwnd_new_value;/* cwnd in k */ 774 uint32_t pseudo_cumack; 775 uint16_t inflight; /* flightsize in k */ 776 uint16_t cwnd_augment; /* increment to it */ 777 uint8_t meets_pseudo_cumack; 778 uint8_t need_new_pseudo_cumack; 779 uint8_t cnt_in_send; 780 uint8_t cnt_in_str; 781 }; 782 783 struct sctp_blk_args { 784 uint32_t onsb; /* in 1k bytes */ 785 uint32_t sndlen; /* len of send being attempted */ 786 uint32_t peer_rwnd; /* rwnd of peer */ 787 uint16_t send_sent_qcnt;/* chnk cnt */ 788 uint16_t stream_qcnt; /* chnk cnt */ 789 uint16_t chunks_on_oque;/* chunks out */ 790 uint16_t flight_size; /* flight size in k */ 791 }; 792 793 /* 794 * Max we can reset in one setting, note this is dictated not by the define 795 * but the size of a mbuf cluster so don't change this define and think you 796 * can specify more. You must do multiple resets if you want to reset more 797 * than SCTP_MAX_EXPLICIT_STR_RESET. 798 */ 799 #define SCTP_MAX_EXPLICT_STR_RESET 1000 800 801 struct sctp_reset_streams { 802 sctp_assoc_t srs_assoc_id; 803 uint16_t srs_flags; 804 uint16_t srs_number_streams; /* 0 == ALL */ 805 uint16_t srs_stream_list[];/* list if strrst_num_streams is not 0 */ 806 }; 807 808 struct sctp_add_streams { 809 sctp_assoc_t sas_assoc_id; 810 uint16_t sas_instrms; 811 uint16_t sas_outstrms; 812 }; 813 814 struct sctp_get_nonce_values { 815 sctp_assoc_t gn_assoc_id; 816 uint32_t gn_peers_tag; 817 uint32_t gn_local_tag; 818 }; 819 820 /* Debugging logs */ 821 struct sctp_str_log { 822 void *stcb; /* FIXME: LP64 issue */ 823 uint32_t n_tsn; 824 uint32_t e_tsn; 825 uint16_t n_sseq; 826 uint16_t e_sseq; 827 uint16_t strm; 828 }; 829 830 struct sctp_sb_log { 831 void *stcb; /* FIXME: LP64 issue */ 832 uint32_t so_sbcc; 833 uint32_t stcb_sbcc; 834 uint32_t incr; 835 }; 836 837 struct sctp_fr_log { 838 uint32_t largest_tsn; 839 uint32_t largest_new_tsn; 840 uint32_t tsn; 841 }; 842 843 struct sctp_fr_map { 844 uint32_t base; 845 uint32_t cum; 846 uint32_t high; 847 }; 848 849 struct sctp_rwnd_log { 850 uint32_t rwnd; 851 uint32_t send_size; 852 uint32_t overhead; 853 uint32_t new_rwnd; 854 }; 855 856 struct sctp_mbcnt_log { 857 uint32_t total_queue_size; 858 uint32_t size_change; 859 uint32_t total_queue_mb_size; 860 uint32_t mbcnt_change; 861 }; 862 863 struct sctp_sack_log { 864 uint32_t cumack; 865 uint32_t oldcumack; 866 uint32_t tsn; 867 uint16_t numGaps; 868 uint16_t numDups; 869 }; 870 871 struct sctp_lock_log { 872 void *sock; /* FIXME: LP64 issue */ 873 void *inp; /* FIXME: LP64 issue */ 874 uint8_t tcb_lock; 875 uint8_t inp_lock; 876 uint8_t info_lock; 877 uint8_t sock_lock; 878 uint8_t sockrcvbuf_lock; 879 uint8_t socksndbuf_lock; 880 uint8_t create_lock; 881 uint8_t resv; 882 }; 883 884 struct sctp_rto_log { 885 void * net; /* FIXME: LP64 issue */ 886 uint32_t rtt; 887 }; 888 889 struct sctp_nagle_log { 890 void *stcb; /* FIXME: LP64 issue */ 891 uint32_t total_flight; 892 uint32_t total_in_queue; 893 uint16_t count_in_queue; 894 uint16_t count_in_flight; 895 }; 896 897 struct sctp_sbwake_log { 898 void *stcb; /* FIXME: LP64 issue */ 899 uint16_t send_q; 900 uint16_t sent_q; 901 uint16_t flight; 902 uint16_t wake_cnt; 903 uint8_t stream_qcnt; /* chnk cnt */ 904 uint8_t chunks_on_oque;/* chunks out */ 905 uint8_t sbflags; 906 uint8_t sctpflags; 907 }; 908 909 struct sctp_misc_info { 910 uint32_t log1; 911 uint32_t log2; 912 uint32_t log3; 913 uint32_t log4; 914 }; 915 916 struct sctp_log_closing { 917 void *inp; /* FIXME: LP64 issue */ 918 void *stcb; /* FIXME: LP64 issue */ 919 uint32_t sctp_flags; 920 uint16_t state; 921 int16_t loc; 922 }; 923 924 struct sctp_mbuf_log { 925 struct mbuf *mp; /* FIXME: LP64 issue */ 926 caddr_t ext; 927 caddr_t data; 928 uint16_t size; 929 uint8_t refcnt; 930 uint8_t mbuf_flags; 931 }; 932 933 struct sctp_cwnd_log { 934 uint64_t time_event; 935 uint8_t from; 936 uint8_t event_type; 937 uint8_t resv[2]; 938 union { 939 struct sctp_log_closing close; 940 struct sctp_blk_args blk; 941 struct sctp_cwnd_args cwnd; 942 struct sctp_str_log strlog; 943 struct sctp_fr_log fr; 944 struct sctp_fr_map map; 945 struct sctp_rwnd_log rwnd; 946 struct sctp_mbcnt_log mbcnt; 947 struct sctp_sack_log sack; 948 struct sctp_lock_log lock; 949 struct sctp_rto_log rto; 950 struct sctp_sb_log sb; 951 struct sctp_nagle_log nagle; 952 struct sctp_sbwake_log wake; 953 struct sctp_mbuf_log mb; 954 struct sctp_misc_info misc; 955 } x; 956 }; 957 958 struct sctp_cwnd_log_req { 959 int32_t num_in_log; /* Number in log */ 960 int32_t num_ret; /* Number returned */ 961 int32_t start_at; /* start at this one */ 962 int32_t end_at; /* end at this one */ 963 struct sctp_cwnd_log log[]; 964 }; 965 966 struct sctp_timeval { 967 uint32_t tv_sec; 968 uint32_t tv_usec; 969 }; 970 971 struct sctpstat { 972 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 973 /* MIB according to RFC 3873 */ 974 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 975 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 976 uint32_t sctps_restartestab; 977 uint32_t sctps_collisionestab; 978 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 979 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 980 uint32_t sctps_shutdown; /* sctpStats 5 (Counter32) */ 981 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 982 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 983 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 984 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 985 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 986 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 987 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 988 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 989 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 990 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 991 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 992 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 993 994 /* input statistics: */ 995 uint32_t sctps_recvpackets; /* total input packets */ 996 uint32_t sctps_recvdatagrams; /* total input datagrams */ 997 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 998 uint32_t sctps_recvsacks; /* total input SACK chunks */ 999 uint32_t sctps_recvdata; /* total input DATA chunks */ 1000 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 1001 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 1002 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 1003 uint32_t sctps_recvecne; /* total input ECNE chunks */ 1004 uint32_t sctps_recvauth; /* total input AUTH chunks */ 1005 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 1006 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids received */ 1007 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids received */ 1008 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 1009 uint32_t sctps_recvexpress; /* total fast path receives all one chunk */ 1010 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 1011 uint32_t sctps_recv_spare; /* formerly sctps_recvnocrc */ 1012 uint32_t sctps_recvswcrc; 1013 uint32_t sctps_recvhwcrc; 1014 1015 /* output statistics: */ 1016 uint32_t sctps_sendpackets; /* total output packets */ 1017 uint32_t sctps_sendsacks; /* total output SACKs */ 1018 uint32_t sctps_senddata; /* total output DATA chunks */ 1019 uint32_t sctps_sendretransdata; /* total output retransmitted DATA chunks */ 1020 uint32_t sctps_sendfastretrans; /* total output fast retransmitted DATA chunks */ 1021 uint32_t sctps_sendmultfastretrans; /* total FR's that happened more than once 1022 * to same chunk (u-del multi-fr algo). 1023 */ 1024 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 1025 uint32_t sctps_sendecne; /* total output ECNE chunks */ 1026 uint32_t sctps_sendauth; /* total output AUTH chunks FIXME */ 1027 uint32_t sctps_senderrors; /* ip_output error counter */ 1028 uint32_t sctps_send_spare; /* formerly sctps_sendnocrc */ 1029 uint32_t sctps_sendswcrc; 1030 uint32_t sctps_sendhwcrc; 1031 /* PCKDROPREP statistics: */ 1032 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 1033 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 1034 uint32_t sctps_pdrpmbda; /* P-drops with data */ 1035 uint32_t sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ 1036 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */ 1037 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1038 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1039 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */ 1040 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1041 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1042 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1043 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1044 uint32_t sctps_pdrpbadd; /* P-drop, data did not match TSN */ 1045 uint32_t sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */ 1046 /* timeouts */ 1047 uint32_t sctps_timoiterator; /* Number of iterator timers that fired */ 1048 uint32_t sctps_timodata; /* Number of T3 data time outs */ 1049 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers that fired */ 1050 uint32_t sctps_timoinit; /* Number of INIT timers that fired */ 1051 uint32_t sctps_timosack; /* Number of sack timers that fired */ 1052 uint32_t sctps_timoshutdown; /* Number of shutdown timers that fired */ 1053 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that fired */ 1054 uint32_t sctps_timocookie; /* Number of times a cookie timeout fired */ 1055 uint32_t sctps_timosecret; /* Number of times an endpoint changed its cookie secret*/ 1056 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1057 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that fired */ 1058 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard timers that fired */ 1059 uint32_t sctps_timostrmrst; /* Number of stream reset timers that fired */ 1060 uint32_t sctps_timoearlyfr; /* Number of early FR timers that fired */ 1061 uint32_t sctps_timoasconf; /* Number of times an asconf timer fired */ 1062 uint32_t sctps_timodelprim; /* Number of times a prim_deleted timer fired */ 1063 uint32_t sctps_timoautoclose; /* Number of times auto close timer fired */ 1064 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1065 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1066 /* former early FR counters */ 1067 uint32_t sctps_spare[11]; 1068 /* others */ 1069 uint32_t sctps_hdrops; /* packet shorter than header */ 1070 uint32_t sctps_badsum; /* checksum error */ 1071 uint32_t sctps_noport; /* no endpoint for port */ 1072 uint32_t sctps_badvtag; /* bad v-tag */ 1073 uint32_t sctps_badsid; /* bad SID */ 1074 uint32_t sctps_nomem; /* no memory */ 1075 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a RTT window */ 1076 uint32_t sctps_markedretrans; 1077 uint32_t sctps_naglesent; /* nagle allowed sending */ 1078 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1079 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1080 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1081 * interface ring buffer OR we had a 1082 * send error and are queuing one send. 1083 */ 1084 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1085 uint32_t sctps_lowlevelerr; /* total times an output error causes us 1086 * to clamp down on next user send. 1087 */ 1088 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were caused from 1089 * a user send from a user invoked send not 1090 * a sack response 1091 */ 1092 uint32_t sctps_datadropchklmt; /* Number of in data drops due to chunk limit reached */ 1093 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd limit reached */ 1094 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the cwnd */ 1095 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1096 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1097 uint32_t sctps_primary_randry; /* Number of times the sender ran dry of user data on primary */ 1098 uint32_t sctps_cmt_randry; /* Same for above */ 1099 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1100 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1101 uint32_t sctps_sends_with_flags; /* number of sends with sinfo_flags !=0 */ 1102 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1103 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1104 uint32_t sctps_sends_with_abort; /* number of sends with ABORT flag set */ 1105 uint32_t sctps_protocol_drain_calls; /* number of times protocol drain called */ 1106 uint32_t sctps_protocol_drains_done; /* number of times we did a protocol drain */ 1107 uint32_t sctps_read_peeks; /* Number of times recv was called with peek */ 1108 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1109 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1110 uint32_t sctps_left_abandon; /* Number of unread messages abandoned by close */ 1111 uint32_t sctps_send_burst_avoid; /* Unused */ 1112 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already max burst inflight to net */ 1113 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via fwd-tsn's */ 1114 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or updated an ECN chunk on send queue */ 1115 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's from here when adding new */ 1116 }; 1117 1118 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1119 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1120 #if defined(__FreeBSD__) && !defined(__Userspace__) 1121 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1122 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1123 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1124 #else 1125 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1126 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1127 #endif 1128 #else 1129 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1130 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1131 #endif 1132 /* The following macros are for handling MIB values, */ 1133 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1134 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1135 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1136 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1137 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1138 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1139 1140 1141 /***********************************/ 1142 /* And something for us old timers */ 1143 /***********************************/ 1144 1145 #if !(defined(__APPLE__) && !defined(__Userspace__)) 1146 #if !defined(__Userspace__) 1147 #ifndef ntohll 1148 #if defined(__linux__) 1149 #ifndef _BSD_SOURCE 1150 #define _BSD_SOURCE 1151 #endif 1152 #include <endian.h> 1153 #else 1154 #include <sys/endian.h> 1155 #endif 1156 #define ntohll(x) be64toh(x) 1157 #endif 1158 1159 #ifndef htonll 1160 #if defined(__linux__) 1161 #ifndef _BSD_SOURCE 1162 #define _BSD_SOURCE 1163 #endif 1164 #include <endian.h> 1165 #else 1166 #include <sys/endian.h> 1167 #endif 1168 #define htonll(x) htobe64(x) 1169 #endif 1170 #endif 1171 #endif 1172 /***********************************/ 1173 1174 1175 struct xsctp_inpcb { 1176 uint32_t last; 1177 uint32_t flags; 1178 uint64_t features; 1179 uint32_t total_sends; 1180 uint32_t total_recvs; 1181 uint32_t total_nospaces; 1182 uint32_t fragmentation_point; 1183 uint16_t local_port; 1184 #if defined(__FreeBSD__) && !defined(__Userspace__) 1185 uint16_t qlen_old; 1186 uint16_t maxqlen_old; 1187 #else 1188 uint16_t qlen; 1189 uint16_t maxqlen; 1190 #endif 1191 uint16_t __spare16; 1192 #if defined(__FreeBSD__) && !defined(__Userspace__) 1193 kvaddr_t socket; 1194 #else 1195 void *socket; 1196 #endif 1197 #if defined(__FreeBSD__) && !defined(__Userspace__) 1198 uint32_t qlen; 1199 uint32_t maxqlen; 1200 #endif 1201 uint32_t extra_padding[26]; /* future */ 1202 }; 1203 1204 struct xsctp_tcb { 1205 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1206 uint32_t last; 1207 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1208 uint32_t state; /* sctpAssocEntry 8 */ 1209 uint32_t in_streams; /* sctpAssocEntry 9 */ 1210 uint32_t out_streams; /* sctpAssocEntry 10 */ 1211 uint32_t max_nr_retrans; /* sctpAssocEntry 11 */ 1212 uint32_t primary_process; /* sctpAssocEntry 12 */ 1213 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1214 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1215 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1216 uint32_t total_sends; 1217 uint32_t total_recvs; 1218 uint32_t local_tag; 1219 uint32_t remote_tag; 1220 uint32_t initial_tsn; 1221 uint32_t highest_tsn; 1222 uint32_t cumulative_tsn; 1223 uint32_t cumulative_tsn_ack; 1224 uint32_t mtu; 1225 uint32_t refcnt; 1226 uint16_t local_port; /* sctpAssocEntry 3 */ 1227 uint16_t remote_port; /* sctpAssocEntry 4 */ 1228 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1229 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1230 uint32_t peers_rwnd; 1231 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1232 uint32_t extra_padding[32]; /* future */ 1233 }; 1234 1235 struct xsctp_laddr { 1236 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1237 uint32_t last; 1238 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1239 uint32_t extra_padding[32]; /* future */ 1240 }; 1241 1242 struct xsctp_raddr { 1243 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1244 uint32_t last; 1245 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1246 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1247 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1248 uint32_t error_counter; /* */ 1249 uint32_t cwnd; /* */ 1250 uint32_t flight_size; /* */ 1251 uint32_t mtu; /* */ 1252 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1253 uint8_t confirmed; /* */ 1254 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1255 uint8_t potentially_failed; 1256 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1257 uint32_t rtt; 1258 uint32_t heartbeat_interval; 1259 uint32_t ssthresh; 1260 uint16_t encaps_port; 1261 uint16_t state; 1262 uint32_t extra_padding[29]; /* future */ 1263 }; 1264 1265 #define SCTP_MAX_LOGGING_SIZE 30000 1266 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1267 1268 struct sctp_log_entry { 1269 uint64_t timestamp; 1270 uint32_t subsys; 1271 uint32_t padding; 1272 uint32_t params[SCTP_TRACE_PARAMS]; 1273 }; 1274 1275 struct sctp_log { 1276 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1277 uint32_t index; 1278 uint32_t padding; 1279 }; 1280 1281 /* 1282 * Kernel defined for sctp_send 1283 */ 1284 #if defined(_KERNEL) || defined(__Userspace__) 1285 int 1286 sctp_lower_sosend(struct socket *so, 1287 struct sockaddr *addr, 1288 struct uio *uio, 1289 struct mbuf *i_pak, 1290 struct mbuf *control, 1291 int flags, 1292 struct sctp_sndrcvinfo *srcv 1293 #if !defined(__Userspace__) 1294 #if defined(__FreeBSD__) 1295 ,struct thread *p 1296 #elif defined(_WIN32) 1297 , PKTHREAD p 1298 #else 1299 ,struct proc *p 1300 #endif 1301 #endif 1302 ); 1303 1304 int 1305 sctp_sorecvmsg(struct socket *so, 1306 struct uio *uio, 1307 struct mbuf **mp, 1308 struct sockaddr *from, 1309 int fromlen, 1310 int *msg_flags, 1311 struct sctp_sndrcvinfo *sinfo, 1312 int filling_sinfo); 1313 #endif 1314 1315 /* 1316 * API system calls 1317 */ 1318 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1319 1320 __BEGIN_DECLS 1321 int sctp_peeloff(int, sctp_assoc_t); 1322 int sctp_bindx(int, struct sockaddr *, int, int); 1323 int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *); 1324 int sctp_getaddrlen(sa_family_t); 1325 int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **); 1326 void sctp_freepaddrs(struct sockaddr *); 1327 int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **); 1328 void sctp_freeladdrs(struct sockaddr *); 1329 int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *); 1330 1331 /* deprecated */ 1332 ssize_t sctp_sendmsg(int, const void *, size_t, const struct sockaddr *, 1333 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1334 1335 /* deprecated */ 1336 ssize_t sctp_send(int, const void *, size_t, 1337 const struct sctp_sndrcvinfo *, int); 1338 1339 /* deprecated */ 1340 ssize_t sctp_sendx(int, const void *, size_t, struct sockaddr *, 1341 int, struct sctp_sndrcvinfo *, int); 1342 1343 /* deprecated */ 1344 ssize_t sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *, 1345 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1346 1347 sctp_assoc_t sctp_getassocid(int, struct sockaddr *); 1348 1349 /* deprecated */ 1350 ssize_t sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *, 1351 struct sctp_sndrcvinfo *, int *); 1352 1353 ssize_t sctp_sendv(int, const struct iovec *, int, struct sockaddr *, 1354 int, void *, socklen_t, unsigned int, int); 1355 1356 ssize_t sctp_recvv(int, const struct iovec *, int, struct sockaddr *, 1357 socklen_t *, void *, socklen_t *, unsigned int *, int *); 1358 __END_DECLS 1359 1360 #endif /* !_KERNEL */ 1361 #endif /* !__sctp_uio_h__ */ 1362