sctp_uio.h (41778B)
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 #ifndef _NETINET_SCTP_UIO_H_ 36 #define _NETINET_SCTP_UIO_H_ 37 38 #if (defined(__APPLE__) && !defined(__Userspace__) && defined(KERNEL)) 39 #ifndef _KERNEL 40 #define _KERNEL 41 #endif 42 #endif 43 #if !defined(_WIN32) 44 #if !defined(_KERNEL) 45 #include <stdint.h> 46 #endif 47 #include <sys/types.h> 48 #include <sys/socket.h> 49 #include <netinet/in.h> 50 #endif 51 #if defined(_WIN32) && !defined(__Userspace__) 52 #pragma warning(push) 53 #pragma warning(disable: 4200) 54 #if defined(_KERNEL) 55 #include <sys/types.h> 56 #include <sys/socket.h> 57 #include <netinet/in.h> 58 #endif 59 #endif 60 61 typedef uint32_t sctp_assoc_t; 62 63 #define SCTP_FUTURE_ASSOC 0 64 #define SCTP_CURRENT_ASSOC 1 65 #define SCTP_ALL_ASSOC 2 66 67 struct sctp_event { 68 sctp_assoc_t se_assoc_id; 69 uint16_t se_type; 70 uint8_t se_on; 71 }; 72 73 /* Compatibility to previous define's */ 74 #define sctp_stream_reset_events sctp_stream_reset_event 75 76 /* On/Off setup for subscription to events */ 77 struct sctp_event_subscribe { 78 uint8_t sctp_data_io_event; 79 uint8_t sctp_association_event; 80 uint8_t sctp_address_event; 81 uint8_t sctp_send_failure_event; 82 uint8_t sctp_peer_error_event; 83 uint8_t sctp_shutdown_event; 84 uint8_t sctp_partial_delivery_event; 85 uint8_t sctp_adaptation_layer_event; 86 uint8_t sctp_authentication_event; 87 uint8_t sctp_sender_dry_event; 88 uint8_t sctp_stream_reset_event; 89 }; 90 91 /* ancillary data types */ 92 #define SCTP_INIT 0x0001 93 #define SCTP_SNDRCV 0x0002 94 #define SCTP_EXTRCV 0x0003 95 #define SCTP_SNDINFO 0x0004 96 #define SCTP_RCVINFO 0x0005 97 #define SCTP_NXTINFO 0x0006 98 #define SCTP_PRINFO 0x0007 99 #define SCTP_AUTHINFO 0x0008 100 #define SCTP_DSTADDRV4 0x0009 101 #define SCTP_DSTADDRV6 0x000a 102 103 /* 104 * ancillary data structures 105 */ 106 struct sctp_initmsg { 107 uint16_t sinit_num_ostreams; 108 uint16_t sinit_max_instreams; 109 uint16_t sinit_max_attempts; 110 uint16_t sinit_max_init_timeo; 111 }; 112 113 /* We add 96 bytes to the size of sctp_sndrcvinfo. 114 * This makes the current structure 128 bytes long 115 * which is nicely 64 bit aligned but also has room 116 * for us to add more and keep ABI compatibility. 117 * For example, already we have the sctp_extrcvinfo 118 * when enabled which is 48 bytes. 119 */ 120 121 /* 122 * The assoc up needs a verfid 123 * all sendrcvinfo's need a verfid for SENDING only. 124 */ 125 126 #define SCTP_ALIGN_RESV_PAD 92 127 #define SCTP_ALIGN_RESV_PAD_SHORT 76 128 129 struct sctp_sndrcvinfo { 130 uint16_t sinfo_stream; 131 uint16_t sinfo_ssn; 132 uint16_t sinfo_flags; 133 uint32_t sinfo_ppid; 134 uint32_t sinfo_context; 135 uint32_t sinfo_timetolive; 136 uint32_t sinfo_tsn; 137 uint32_t sinfo_cumtsn; 138 sctp_assoc_t sinfo_assoc_id; 139 uint16_t sinfo_keynumber; 140 uint16_t sinfo_keynumber_valid; 141 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 142 }; 143 144 struct sctp_extrcvinfo { 145 uint16_t sinfo_stream; 146 uint16_t sinfo_ssn; 147 uint16_t sinfo_flags; 148 uint32_t sinfo_ppid; 149 uint32_t sinfo_context; 150 uint32_t sinfo_timetolive; /* should have been sinfo_pr_value */ 151 uint32_t sinfo_tsn; 152 uint32_t sinfo_cumtsn; 153 sctp_assoc_t sinfo_assoc_id; 154 uint16_t serinfo_next_flags; 155 uint16_t serinfo_next_stream; 156 uint32_t serinfo_next_aid; 157 uint32_t serinfo_next_length; 158 uint32_t serinfo_next_ppid; 159 uint16_t sinfo_keynumber; 160 uint16_t sinfo_keynumber_valid; 161 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 162 }; 163 #define sinfo_pr_value sinfo_timetolive 164 #define sreinfo_next_flags serinfo_next_flags 165 #define sreinfo_next_stream serinfo_next_stream 166 #define sreinfo_next_aid serinfo_next_aid 167 #define sreinfo_next_length serinfo_next_length 168 #define sreinfo_next_ppid serinfo_next_ppid 169 170 struct sctp_sndinfo { 171 uint16_t snd_sid; 172 uint16_t snd_flags; 173 uint32_t snd_ppid; 174 uint32_t snd_context; 175 sctp_assoc_t snd_assoc_id; 176 }; 177 178 struct sctp_prinfo { 179 uint16_t pr_policy; 180 uint32_t pr_value; 181 }; 182 183 struct sctp_default_prinfo { 184 uint16_t pr_policy; 185 uint32_t pr_value; 186 sctp_assoc_t pr_assoc_id; 187 }; 188 189 struct sctp_authinfo { 190 uint16_t auth_keynumber; 191 }; 192 193 struct sctp_rcvinfo { 194 uint16_t rcv_sid; 195 uint16_t rcv_ssn; 196 uint16_t rcv_flags; 197 uint32_t rcv_ppid; 198 uint32_t rcv_tsn; 199 uint32_t rcv_cumtsn; 200 uint32_t rcv_context; 201 sctp_assoc_t rcv_assoc_id; 202 }; 203 204 struct sctp_nxtinfo { 205 uint16_t nxt_sid; 206 uint16_t nxt_flags; 207 uint32_t nxt_ppid; 208 uint32_t nxt_length; 209 sctp_assoc_t nxt_assoc_id; 210 }; 211 212 #define SCTP_NO_NEXT_MSG 0x0000 213 #define SCTP_NEXT_MSG_AVAIL 0x0001 214 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 215 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 216 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 217 218 struct sctp_recvv_rn { 219 struct sctp_rcvinfo recvv_rcvinfo; 220 struct sctp_nxtinfo recvv_nxtinfo; 221 }; 222 223 #define SCTP_RECVV_NOINFO 0 224 #define SCTP_RECVV_RCVINFO 1 225 #define SCTP_RECVV_NXTINFO 2 226 #define SCTP_RECVV_RN 3 227 228 #define SCTP_SENDV_NOINFO 0 229 #define SCTP_SENDV_SNDINFO 1 230 #define SCTP_SENDV_PRINFO 2 231 #define SCTP_SENDV_AUTHINFO 3 232 #define SCTP_SENDV_SPA 4 233 234 struct sctp_sendv_spa { 235 uint32_t sendv_flags; 236 struct sctp_sndinfo sendv_sndinfo; 237 struct sctp_prinfo sendv_prinfo; 238 struct sctp_authinfo sendv_authinfo; 239 }; 240 241 #define SCTP_SEND_SNDINFO_VALID 0x00000001 242 #define SCTP_SEND_PRINFO_VALID 0x00000002 243 #define SCTP_SEND_AUTHINFO_VALID 0x00000004 244 245 struct sctp_snd_all_completes { 246 uint16_t sall_stream; 247 uint16_t sall_flags; 248 uint32_t sall_ppid; 249 uint32_t sall_context; 250 uint32_t sall_num_sent; 251 uint32_t sall_num_failed; 252 }; 253 254 /* Flags that go into the sinfo->sinfo_flags field */ 255 #define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ 256 #define SCTP_COMPLETE 0x0020 /* next message is complete */ 257 #define SCTP_EOF 0x0100 /* Start shutdown procedures */ 258 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 259 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 260 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 261 #define SCTP_SENDALL 0x1000 /* Send this on all associations */ 262 #define SCTP_EOR 0x2000 /* end of message signal */ 263 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 264 265 #define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ 266 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 267 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 268 SCTP_SACK_IMMEDIATELY)) != 0) 269 /* for the endpoint */ 270 271 /* The lower four bits is an enumeration of PR-SCTP policies */ 272 #define SCTP_PR_SCTP_NONE 0x0000 /* Reliable transfer */ 273 #define SCTP_PR_SCTP_TTL 0x0001 /* Time based PR-SCTP */ 274 #define SCTP_PR_SCTP_PRIO 0x0002 /* Buffer based PR-SCTP */ 275 #define SCTP_PR_SCTP_BUF SCTP_PR_SCTP_PRIO /* For backwards compatibility */ 276 #define SCTP_PR_SCTP_RTX 0x0003 /* Number of retransmissions based PR-SCTP */ 277 #define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX 278 #define SCTP_PR_SCTP_ALL 0x000f /* Used for aggregated stats */ 279 280 #define PR_SCTP_POLICY(x) ((x) & 0x0f) 281 #define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \ 282 (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL)) 283 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 284 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 285 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 286 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX) 287 #define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX) 288 289 /* Stat's */ 290 struct sctp_pcbinfo { 291 uint32_t ep_count; 292 uint32_t asoc_count; 293 uint32_t laddr_count; 294 uint32_t raddr_count; 295 uint32_t chk_count; 296 uint32_t readq_count; 297 uint32_t free_chunks; 298 uint32_t stream_oque; 299 }; 300 301 struct sctp_sockstat { 302 sctp_assoc_t ss_assoc_id; 303 uint32_t ss_total_sndbuf; 304 uint32_t ss_total_recv_buf; 305 }; 306 307 /* 308 * notification event structures 309 */ 310 311 /* 312 * association change event 313 */ 314 struct sctp_assoc_change { 315 uint16_t sac_type; 316 uint16_t sac_flags; 317 uint32_t sac_length; 318 uint16_t sac_state; 319 uint16_t sac_error; 320 uint16_t sac_outbound_streams; 321 uint16_t sac_inbound_streams; 322 sctp_assoc_t sac_assoc_id; 323 uint8_t sac_info[]; 324 }; 325 326 /* sac_state values */ 327 #define SCTP_COMM_UP 0x0001 328 #define SCTP_COMM_LOST 0x0002 329 #define SCTP_RESTART 0x0003 330 #define SCTP_SHUTDOWN_COMP 0x0004 331 #define SCTP_CANT_STR_ASSOC 0x0005 332 333 /* sac_info values */ 334 #define SCTP_ASSOC_SUPPORTS_PR 0x01 335 #define SCTP_ASSOC_SUPPORTS_AUTH 0x02 336 #define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 337 #define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 338 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 339 #define SCTP_ASSOC_SUPPORTS_INTERLEAVING 0x06 340 #define SCTP_ASSOC_SUPPORTS_MAX 0x06 341 /* 342 * Address event 343 */ 344 struct sctp_paddr_change { 345 uint16_t spc_type; 346 uint16_t spc_flags; 347 uint32_t spc_length; 348 struct sockaddr_storage spc_aaddr; 349 uint32_t spc_state; 350 uint32_t spc_error; 351 sctp_assoc_t spc_assoc_id; 352 }; 353 354 /* paddr state values */ 355 #define SCTP_ADDR_AVAILABLE 0x0001 356 #define SCTP_ADDR_UNREACHABLE 0x0002 357 #define SCTP_ADDR_REMOVED 0x0003 358 #define SCTP_ADDR_ADDED 0x0004 359 #define SCTP_ADDR_MADE_PRIM 0x0005 360 #define SCTP_ADDR_CONFIRMED 0x0006 361 362 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 363 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE 364 nor SCTP_ADDR_UNCONFIRMED */ 365 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 366 367 /* remote error events */ 368 struct sctp_remote_error { 369 uint16_t sre_type; 370 uint16_t sre_flags; 371 uint32_t sre_length; 372 uint16_t sre_error; 373 sctp_assoc_t sre_assoc_id; 374 uint8_t sre_data[]; 375 }; 376 377 /* data send failure event (deprecated) */ 378 struct sctp_send_failed { 379 uint16_t ssf_type; 380 uint16_t ssf_flags; 381 uint32_t ssf_length; 382 uint32_t ssf_error; 383 struct sctp_sndrcvinfo ssf_info; 384 sctp_assoc_t ssf_assoc_id; 385 uint8_t ssf_data[]; 386 }; 387 388 /* data send failure event (not deprecated) */ 389 struct sctp_send_failed_event { 390 uint16_t ssfe_type; 391 uint16_t ssfe_flags; 392 uint32_t ssfe_length; 393 uint32_t ssfe_error; 394 struct sctp_sndinfo ssfe_info; 395 sctp_assoc_t ssfe_assoc_id; 396 uint8_t ssfe_data[]; 397 }; 398 399 /* flag that indicates state of data */ 400 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 401 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 402 403 /* shutdown event */ 404 struct sctp_shutdown_event { 405 uint16_t sse_type; 406 uint16_t sse_flags; 407 uint32_t sse_length; 408 sctp_assoc_t sse_assoc_id; 409 }; 410 411 /* Adaptation layer indication stuff */ 412 struct sctp_adaptation_event { 413 uint16_t sai_type; 414 uint16_t sai_flags; 415 uint32_t sai_length; 416 uint32_t sai_adaptation_ind; 417 sctp_assoc_t sai_assoc_id; 418 }; 419 420 struct sctp_setadaptation { 421 uint32_t ssb_adaptation_ind; 422 }; 423 424 /* compatible old spelling */ 425 struct sctp_adaption_event { 426 uint16_t sai_type; 427 uint16_t sai_flags; 428 uint32_t sai_length; 429 uint32_t sai_adaption_ind; 430 sctp_assoc_t sai_assoc_id; 431 }; 432 433 struct sctp_setadaption { 434 uint32_t ssb_adaption_ind; 435 }; 436 437 /* 438 * Partial Delivery API event 439 */ 440 struct sctp_pdapi_event { 441 uint16_t pdapi_type; 442 uint16_t pdapi_flags; 443 uint32_t pdapi_length; 444 uint32_t pdapi_indication; 445 uint16_t pdapi_stream; 446 uint16_t pdapi_seq; 447 sctp_assoc_t pdapi_assoc_id; 448 }; 449 450 /* indication values */ 451 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 452 453 /* 454 * authentication key event 455 */ 456 struct sctp_authkey_event { 457 uint16_t auth_type; 458 uint16_t auth_flags; 459 uint32_t auth_length; 460 uint16_t auth_keynumber; 461 uint16_t auth_altkeynumber; 462 uint32_t auth_indication; 463 sctp_assoc_t auth_assoc_id; 464 }; 465 466 /* indication values */ 467 #define SCTP_AUTH_NEW_KEY 0x0001 468 #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 469 #define SCTP_AUTH_NO_AUTH 0x0002 470 #define SCTP_AUTH_FREE_KEY 0x0003 471 472 struct sctp_sender_dry_event { 473 uint16_t sender_dry_type; 474 uint16_t sender_dry_flags; 475 uint32_t sender_dry_length; 476 sctp_assoc_t sender_dry_assoc_id; 477 }; 478 479 /* 480 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 481 */ 482 struct sctp_stream_reset_event { 483 uint16_t strreset_type; 484 uint16_t strreset_flags; 485 uint32_t strreset_length; 486 sctp_assoc_t strreset_assoc_id; 487 uint16_t strreset_stream_list[]; 488 }; 489 490 /* flags in stream_reset_event (strreset_flags) */ 491 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 492 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 493 #define SCTP_STREAM_RESET_DENIED 0x0004 494 #define SCTP_STREAM_RESET_FAILED 0x0008 495 496 /* 497 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 498 */ 499 struct sctp_assoc_reset_event { 500 uint16_t assocreset_type; 501 uint16_t assocreset_flags; 502 uint32_t assocreset_length; 503 sctp_assoc_t assocreset_assoc_id; 504 uint32_t assocreset_local_tsn; 505 uint32_t assocreset_remote_tsn; 506 }; 507 508 #define SCTP_ASSOC_RESET_DENIED 0x0004 509 #define SCTP_ASSOC_RESET_FAILED 0x0008 510 511 /* 512 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 513 */ 514 struct sctp_stream_change_event { 515 uint16_t strchange_type; 516 uint16_t strchange_flags; 517 uint32_t strchange_length; 518 sctp_assoc_t strchange_assoc_id; 519 uint16_t strchange_instrms; 520 uint16_t strchange_outstrms; 521 }; 522 523 #define SCTP_STREAM_CHANGE_DENIED 0x0004 524 #define SCTP_STREAM_CHANGE_FAILED 0x0008 525 526 /* SCTP notification event */ 527 struct sctp_tlv { 528 uint16_t sn_type; 529 uint16_t sn_flags; 530 uint32_t sn_length; 531 }; 532 533 union sctp_notification { 534 struct sctp_tlv sn_header; 535 struct sctp_assoc_change sn_assoc_change; 536 struct sctp_paddr_change sn_paddr_change; 537 struct sctp_remote_error sn_remote_error; 538 struct sctp_send_failed sn_send_failed; 539 struct sctp_shutdown_event sn_shutdown_event; 540 struct sctp_adaptation_event sn_adaptation_event; 541 /* compatibility same as above */ 542 struct sctp_adaption_event sn_adaption_event; 543 struct sctp_pdapi_event sn_pdapi_event; 544 struct sctp_authkey_event sn_auth_event; 545 struct sctp_sender_dry_event sn_sender_dry_event; 546 struct sctp_send_failed_event sn_send_failed_event; 547 struct sctp_stream_reset_event sn_strreset_event; 548 struct sctp_assoc_reset_event sn_assocreset_event; 549 struct sctp_stream_change_event sn_strchange_event; 550 }; 551 552 /* notification types */ 553 #define SCTP_ASSOC_CHANGE 0x0001 554 #define SCTP_PEER_ADDR_CHANGE 0x0002 555 #define SCTP_REMOTE_ERROR 0x0003 556 #define SCTP_SEND_FAILED 0x0004 557 #define SCTP_SHUTDOWN_EVENT 0x0005 558 #define SCTP_ADAPTATION_INDICATION 0x0006 559 /* same as above */ 560 #define SCTP_ADAPTION_INDICATION 0x0006 561 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 562 #define SCTP_AUTHENTICATION_EVENT 0x0008 563 #define SCTP_STREAM_RESET_EVENT 0x0009 564 #define SCTP_SENDER_DRY_EVENT 0x000a 565 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this*/ 566 #define SCTP_ASSOC_RESET_EVENT 0x000c 567 #define SCTP_STREAM_CHANGE_EVENT 0x000d 568 #define SCTP_SEND_FAILED_EVENT 0x000e 569 /* 570 * socket option structs 571 */ 572 573 struct sctp_paddrparams { 574 struct sockaddr_storage spp_address; 575 sctp_assoc_t spp_assoc_id; 576 uint32_t spp_hbinterval; 577 uint32_t spp_pathmtu; 578 uint32_t spp_flags; 579 uint32_t spp_ipv6_flowlabel; 580 uint16_t spp_pathmaxrxt; 581 uint8_t spp_dscp; 582 }; 583 #define spp_ipv4_tos spp_dscp 584 585 #define SPP_HB_ENABLE 0x00000001 586 #define SPP_HB_DISABLE 0x00000002 587 #define SPP_HB_DEMAND 0x00000004 588 #define SPP_PMTUD_ENABLE 0x00000008 589 #define SPP_PMTUD_DISABLE 0x00000010 590 #define SPP_HB_TIME_IS_ZERO 0x00000080 591 #define SPP_IPV6_FLOWLABEL 0x00000100 592 #define SPP_DSCP 0x00000200 593 #define SPP_IPV4_TOS SPP_DSCP 594 595 struct sctp_paddrthlds { 596 struct sockaddr_storage spt_address; 597 sctp_assoc_t spt_assoc_id; 598 uint16_t spt_pathmaxrxt; 599 uint16_t spt_pathpfthld; 600 uint16_t spt_pathcpthld; 601 }; 602 603 struct sctp_paddrinfo { 604 struct sockaddr_storage spinfo_address; 605 sctp_assoc_t spinfo_assoc_id; 606 int32_t spinfo_state; 607 uint32_t spinfo_cwnd; 608 uint32_t spinfo_srtt; 609 uint32_t spinfo_rto; 610 uint32_t spinfo_mtu; 611 }; 612 613 struct sctp_rtoinfo { 614 sctp_assoc_t srto_assoc_id; 615 uint32_t srto_initial; 616 uint32_t srto_max; 617 uint32_t srto_min; 618 }; 619 620 struct sctp_assocparams { 621 sctp_assoc_t sasoc_assoc_id; 622 uint32_t sasoc_peer_rwnd; 623 uint32_t sasoc_local_rwnd; 624 uint32_t sasoc_cookie_life; 625 uint16_t sasoc_asocmaxrxt; 626 uint16_t sasoc_number_peer_destinations; 627 }; 628 629 struct sctp_setprim { 630 struct sockaddr_storage ssp_addr; 631 sctp_assoc_t ssp_assoc_id; 632 uint8_t ssp_padding[4]; 633 }; 634 635 struct sctp_setpeerprim { 636 struct sockaddr_storage sspp_addr; 637 sctp_assoc_t sspp_assoc_id; 638 uint8_t sspp_padding[4]; 639 }; 640 641 union sctp_sockstore { 642 struct sockaddr_in sin; 643 struct sockaddr_in6 sin6; 644 #if defined(__Userspace__) 645 struct sockaddr_conn sconn; 646 #endif 647 struct sockaddr sa; 648 }; 649 650 struct sctp_getaddresses { 651 sctp_assoc_t sget_assoc_id; 652 union sctp_sockstore addr[]; 653 }; 654 655 struct sctp_status { 656 sctp_assoc_t sstat_assoc_id; 657 int32_t sstat_state; 658 uint32_t sstat_rwnd; 659 uint16_t sstat_unackdata; 660 uint16_t sstat_penddata; 661 uint16_t sstat_instrms; 662 uint16_t sstat_outstrms; 663 uint32_t sstat_fragmentation_point; 664 struct sctp_paddrinfo sstat_primary; 665 }; 666 667 /* 668 * AUTHENTICATION support 669 */ 670 /* SCTP_AUTH_CHUNK */ 671 struct sctp_authchunk { 672 uint8_t sauth_chunk; 673 }; 674 675 /* SCTP_AUTH_KEY */ 676 struct sctp_authkey { 677 sctp_assoc_t sca_assoc_id; 678 uint16_t sca_keynumber; 679 uint16_t sca_keylength; 680 uint8_t sca_key[]; 681 }; 682 683 /* SCTP_HMAC_IDENT */ 684 struct sctp_hmacalgo { 685 uint32_t shmac_number_of_idents; 686 uint16_t shmac_idents[]; 687 }; 688 689 /* AUTH hmac_id */ 690 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 691 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 692 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 693 694 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 695 struct sctp_authkeyid { 696 sctp_assoc_t scact_assoc_id; 697 uint16_t scact_keynumber; 698 }; 699 700 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 701 struct sctp_authchunks { 702 sctp_assoc_t gauth_assoc_id; 703 uint32_t gauth_number_of_chunks; 704 uint8_t gauth_chunks[]; 705 }; 706 707 struct sctp_assoc_value { 708 sctp_assoc_t assoc_id; 709 uint32_t assoc_value; 710 }; 711 712 struct sctp_cc_option { 713 int option; 714 struct sctp_assoc_value aid_value; 715 }; 716 717 struct sctp_stream_value { 718 sctp_assoc_t assoc_id; 719 uint16_t stream_id; 720 uint16_t stream_value; 721 }; 722 723 struct sctp_assoc_ids { 724 uint32_t gaids_number_of_ids; 725 sctp_assoc_t gaids_assoc_id[]; 726 }; 727 728 struct sctp_sack_info { 729 sctp_assoc_t sack_assoc_id; 730 uint32_t sack_delay; 731 uint32_t sack_freq; 732 }; 733 734 struct sctp_timeouts { 735 sctp_assoc_t stimo_assoc_id; 736 uint32_t stimo_init; 737 uint32_t stimo_data; 738 uint32_t stimo_sack; 739 uint32_t stimo_shutdown; 740 uint32_t stimo_heartbeat; 741 uint32_t stimo_cookie; 742 uint32_t stimo_shutdownack; 743 }; 744 745 struct sctp_udpencaps { 746 struct sockaddr_storage sue_address; 747 sctp_assoc_t sue_assoc_id; 748 uint16_t sue_port; 749 }; 750 751 struct sctp_prstatus { 752 sctp_assoc_t sprstat_assoc_id; 753 uint16_t sprstat_sid; 754 uint16_t sprstat_policy; 755 uint64_t sprstat_abandoned_unsent; 756 uint64_t sprstat_abandoned_sent; 757 }; 758 759 struct sctp_cwnd_args { 760 struct sctp_nets *net; /* network to */ /* FIXME: LP64 issue */ 761 uint32_t cwnd_new_value;/* cwnd in k */ 762 uint32_t pseudo_cumack; 763 uint16_t inflight; /* flightsize in k */ 764 uint16_t cwnd_augment; /* increment to it */ 765 uint8_t meets_pseudo_cumack; 766 uint8_t need_new_pseudo_cumack; 767 uint8_t cnt_in_send; 768 uint8_t cnt_in_str; 769 }; 770 771 struct sctp_blk_args { 772 uint32_t onsb; /* in 1k bytes */ 773 uint32_t sndlen; /* len of send being attempted */ 774 uint32_t peer_rwnd; /* rwnd of peer */ 775 uint16_t send_sent_qcnt;/* chnk cnt */ 776 uint16_t stream_qcnt; /* chnk cnt */ 777 uint16_t chunks_on_oque;/* chunks out */ 778 uint16_t flight_size; /* flight size in k */ 779 }; 780 781 /* 782 * Max we can reset in one setting, note this is dictated not by the define 783 * but the size of a mbuf cluster so don't change this define and think you 784 * can specify more. You must do multiple resets if you want to reset more 785 * than SCTP_MAX_EXPLICIT_STR_RESET. 786 */ 787 #define SCTP_MAX_EXPLICT_STR_RESET 1000 788 789 struct sctp_reset_streams { 790 sctp_assoc_t srs_assoc_id; 791 uint16_t srs_flags; 792 uint16_t srs_number_streams; /* 0 == ALL */ 793 uint16_t srs_stream_list[];/* list if strrst_num_streams is not 0 */ 794 }; 795 796 struct sctp_add_streams { 797 sctp_assoc_t sas_assoc_id; 798 uint16_t sas_instrms; 799 uint16_t sas_outstrms; 800 }; 801 802 struct sctp_get_nonce_values { 803 sctp_assoc_t gn_assoc_id; 804 uint32_t gn_peers_tag; 805 uint32_t gn_local_tag; 806 }; 807 808 /* Values for SCTP_ACCEPT_ZERO_CHECKSUM */ 809 #define SCTP_EDMID_NONE 0 810 #define SCTP_EDMID_LOWER_LAYER_DTLS 1 811 812 /* Debugging logs */ 813 struct sctp_str_log { 814 void *stcb; /* FIXME: LP64 issue */ 815 uint32_t n_tsn; 816 uint32_t e_tsn; 817 uint16_t n_sseq; 818 uint16_t e_sseq; 819 uint16_t strm; 820 }; 821 822 struct sctp_sb_log { 823 void *stcb; /* FIXME: LP64 issue */ 824 uint32_t so_sbcc; 825 uint32_t stcb_sbcc; 826 uint32_t incr; 827 }; 828 829 struct sctp_fr_log { 830 uint32_t largest_tsn; 831 uint32_t largest_new_tsn; 832 uint32_t tsn; 833 }; 834 835 struct sctp_fr_map { 836 uint32_t base; 837 uint32_t cum; 838 uint32_t high; 839 }; 840 841 struct sctp_rwnd_log { 842 uint32_t rwnd; 843 uint32_t send_size; 844 uint32_t overhead; 845 uint32_t new_rwnd; 846 }; 847 848 struct sctp_mbcnt_log { 849 uint32_t total_queue_size; 850 uint32_t size_change; 851 uint32_t total_queue_mb_size; 852 uint32_t mbcnt_change; 853 }; 854 855 struct sctp_sack_log { 856 uint32_t cumack; 857 uint32_t oldcumack; 858 uint32_t tsn; 859 uint16_t numGaps; 860 uint16_t numDups; 861 }; 862 863 struct sctp_lock_log { 864 void *sock; /* FIXME: LP64 issue */ 865 void *inp; /* FIXME: LP64 issue */ 866 uint8_t tcb_lock; 867 uint8_t inp_lock; 868 uint8_t info_lock; 869 uint8_t sock_lock; 870 uint8_t sockrcvbuf_lock; 871 uint8_t socksndbuf_lock; 872 uint8_t create_lock; 873 uint8_t resv; 874 }; 875 876 struct sctp_rto_log { 877 void * net; /* FIXME: LP64 issue */ 878 uint32_t rtt; 879 }; 880 881 struct sctp_nagle_log { 882 void *stcb; /* FIXME: LP64 issue */ 883 uint32_t total_flight; 884 uint32_t total_in_queue; 885 uint16_t count_in_queue; 886 uint16_t count_in_flight; 887 }; 888 889 struct sctp_sbwake_log { 890 void *stcb; /* FIXME: LP64 issue */ 891 uint16_t send_q; 892 uint16_t sent_q; 893 uint16_t flight; 894 uint16_t wake_cnt; 895 uint8_t stream_qcnt; /* chnk cnt */ 896 uint8_t chunks_on_oque;/* chunks out */ 897 uint8_t sbflags; 898 uint8_t sctpflags; 899 }; 900 901 struct sctp_misc_info { 902 uint32_t log1; 903 uint32_t log2; 904 uint32_t log3; 905 uint32_t log4; 906 }; 907 908 struct sctp_log_closing { 909 void *inp; /* FIXME: LP64 issue */ 910 void *stcb; /* FIXME: LP64 issue */ 911 uint32_t sctp_flags; 912 uint16_t state; 913 int16_t loc; 914 }; 915 916 struct sctp_mbuf_log { 917 struct mbuf *mp; /* FIXME: LP64 issue */ 918 caddr_t ext; 919 caddr_t data; 920 uint16_t size; 921 uint8_t refcnt; 922 uint8_t mbuf_flags; 923 }; 924 925 struct sctp_cwnd_log { 926 uint64_t time_event; 927 uint8_t from; 928 uint8_t event_type; 929 uint8_t resv[2]; 930 union { 931 struct sctp_log_closing close; 932 struct sctp_blk_args blk; 933 struct sctp_cwnd_args cwnd; 934 struct sctp_str_log strlog; 935 struct sctp_fr_log fr; 936 struct sctp_fr_map map; 937 struct sctp_rwnd_log rwnd; 938 struct sctp_mbcnt_log mbcnt; 939 struct sctp_sack_log sack; 940 struct sctp_lock_log lock; 941 struct sctp_rto_log rto; 942 struct sctp_sb_log sb; 943 struct sctp_nagle_log nagle; 944 struct sctp_sbwake_log wake; 945 struct sctp_mbuf_log mb; 946 struct sctp_misc_info misc; 947 } x; 948 }; 949 950 struct sctp_cwnd_log_req { 951 int32_t num_in_log; /* Number in log */ 952 int32_t num_ret; /* Number returned */ 953 int32_t start_at; /* start at this one */ 954 int32_t end_at; /* end at this one */ 955 struct sctp_cwnd_log log[]; 956 }; 957 958 struct sctp_timeval { 959 uint32_t tv_sec; 960 uint32_t tv_usec; 961 }; 962 963 struct sctpstat { 964 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ 965 /* MIB according to RFC 3873 */ 966 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 967 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 968 uint32_t sctps_restartestab; 969 uint32_t sctps_collisionestab; 970 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 971 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 972 uint32_t sctps_shutdown; /* sctpStats 5 (Counter32) */ 973 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 974 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 975 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 976 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 977 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 978 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 979 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 980 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 981 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 982 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 983 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 984 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 985 986 /* input statistics: */ 987 uint32_t sctps_recvpackets; /* total input packets */ 988 uint32_t sctps_recvdatagrams; /* total input datagrams */ 989 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 990 uint32_t sctps_recvsacks; /* total input SACK chunks */ 991 uint32_t sctps_recvdata; /* total input DATA chunks */ 992 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 993 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 994 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 995 uint32_t sctps_recvecne; /* total input ECNE chunks */ 996 uint32_t sctps_recvauth; /* total input AUTH chunks */ 997 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 998 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids received */ 999 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids received */ 1000 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 1001 uint32_t sctps_recvexpress; /* total fast path receives all one chunk */ 1002 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 1003 uint32_t sctps_recv_spare; /* formerly sctps_recvnocrc */ 1004 uint32_t sctps_recvswcrc; 1005 uint32_t sctps_recvhwcrc; 1006 1007 /* output statistics: */ 1008 uint32_t sctps_sendpackets; /* total output packets */ 1009 uint32_t sctps_sendsacks; /* total output SACKs */ 1010 uint32_t sctps_senddata; /* total output DATA chunks */ 1011 uint32_t sctps_sendretransdata; /* total output retransmitted DATA chunks */ 1012 uint32_t sctps_sendfastretrans; /* total output fast retransmitted DATA chunks */ 1013 uint32_t sctps_sendmultfastretrans; /* total FR's that happened more than once 1014 * to same chunk (u-del multi-fr algo). 1015 */ 1016 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 1017 uint32_t sctps_sendecne; /* total output ECNE chunks */ 1018 uint32_t sctps_sendauth; /* total output AUTH chunks FIXME */ 1019 uint32_t sctps_senderrors; /* ip_output error counter */ 1020 uint32_t sctps_send_spare; /* formerly sctps_sendnocrc */ 1021 uint32_t sctps_sendswcrc; 1022 uint32_t sctps_sendhwcrc; 1023 /* PCKDROPREP statistics: */ 1024 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 1025 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 1026 uint32_t sctps_pdrpmbda; /* P-drops with data */ 1027 uint32_t sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ 1028 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */ 1029 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1030 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1031 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */ 1032 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1033 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1034 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1035 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1036 uint32_t sctps_pdrpbadd; /* P-drop, data did not match TSN */ 1037 uint32_t sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */ 1038 /* timeouts */ 1039 uint32_t sctps_timoiterator; /* Number of iterator timers that fired */ 1040 uint32_t sctps_timodata; /* Number of T3 data time outs */ 1041 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers that fired */ 1042 uint32_t sctps_timoinit; /* Number of INIT timers that fired */ 1043 uint32_t sctps_timosack; /* Number of sack timers that fired */ 1044 uint32_t sctps_timoshutdown; /* Number of shutdown timers that fired */ 1045 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that fired */ 1046 uint32_t sctps_timocookie; /* Number of times a cookie timeout fired */ 1047 uint32_t sctps_timosecret; /* Number of times an endpoint changed its cookie secret*/ 1048 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1049 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that fired */ 1050 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard timers that fired */ 1051 uint32_t sctps_timostrmrst; /* Number of stream reset timers that fired */ 1052 uint32_t sctps_timoearlyfr; /* Number of early FR timers that fired */ 1053 uint32_t sctps_timoasconf; /* Number of times an asconf timer fired */ 1054 uint32_t sctps_timodelprim; /* Number of times a prim_deleted timer fired */ 1055 uint32_t sctps_timoautoclose; /* Number of times auto close timer fired */ 1056 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1057 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1058 /* former early FR counters */ 1059 uint32_t sctps_spare[11]; 1060 /* others */ 1061 uint32_t sctps_hdrops; /* packet shorter than header */ 1062 uint32_t sctps_badsum; /* checksum error */ 1063 uint32_t sctps_noport; /* no endpoint for port */ 1064 uint32_t sctps_badvtag; /* bad v-tag */ 1065 uint32_t sctps_badsid; /* bad SID */ 1066 uint32_t sctps_nomem; /* no memory */ 1067 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a RTT window */ 1068 uint32_t sctps_markedretrans; 1069 uint32_t sctps_naglesent; /* nagle allowed sending */ 1070 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1071 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1072 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1073 * interface ring buffer OR we had a 1074 * send error and are queuing one send. 1075 */ 1076 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1077 uint32_t sctps_lowlevelerr; /* total times an output error causes us 1078 * to clamp down on next user send. 1079 */ 1080 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were caused from 1081 * a user send from a user invoked send not 1082 * a sack response 1083 */ 1084 uint32_t sctps_datadropchklmt; /* Number of in data drops due to chunk limit reached */ 1085 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd limit reached */ 1086 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the cwnd */ 1087 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1088 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1089 uint32_t sctps_primary_randry; /* Number of times the sender ran dry of user data on primary */ 1090 uint32_t sctps_cmt_randry; /* Same for above */ 1091 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1092 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1093 uint32_t sctps_sends_with_flags; /* number of sends with sinfo_flags !=0 */ 1094 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1095 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1096 uint32_t sctps_sends_with_abort; /* number of sends with ABORT flag set */ 1097 uint32_t sctps_protocol_drain_calls; /* number of times protocol drain called */ 1098 uint32_t sctps_protocol_drains_done; /* number of times we did a protocol drain */ 1099 uint32_t sctps_read_peeks; /* Number of times recv was called with peek */ 1100 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1101 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1102 uint32_t sctps_left_abandon; /* Number of unread messages abandoned by close */ 1103 uint32_t sctps_send_burst_avoid; /* Unused */ 1104 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already max burst inflight to net */ 1105 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via fwd-tsn's */ 1106 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or updated an ECN chunk on send queue */ 1107 uint32_t sctps_recvzerocrc; /* Number of accepted packets with zero CRC */ 1108 uint32_t sctps_sendzerocrc; /* Number of packets sent with zero CRC */ 1109 uint32_t sctps_reserved[29]; /* Future ABI compat - remove int's from here when adding new */ 1110 }; 1111 1112 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1113 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1114 #if defined(__FreeBSD__) && !defined(__Userspace__) 1115 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1116 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1117 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1118 #else 1119 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1120 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1121 #endif 1122 #else 1123 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1124 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1125 #endif 1126 /* The following macros are for handling MIB values, */ 1127 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1128 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1129 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1130 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1131 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1132 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1133 1134 /***********************************/ 1135 /* And something for us old timers */ 1136 /***********************************/ 1137 1138 #if !(defined(__APPLE__) && !defined(__Userspace__)) 1139 #if !defined(__Userspace__) 1140 #ifndef ntohll 1141 #if defined(__linux__) 1142 #ifndef _BSD_SOURCE 1143 #define _BSD_SOURCE 1144 #endif 1145 #include <endian.h> 1146 #else 1147 #include <sys/endian.h> 1148 #endif 1149 #define ntohll(x) be64toh(x) 1150 #endif 1151 1152 #ifndef htonll 1153 #if defined(__linux__) 1154 #ifndef _BSD_SOURCE 1155 #define _BSD_SOURCE 1156 #endif 1157 #include <endian.h> 1158 #else 1159 #include <sys/endian.h> 1160 #endif 1161 #define htonll(x) htobe64(x) 1162 #endif 1163 #endif 1164 #endif 1165 /***********************************/ 1166 1167 struct xsctp_inpcb { 1168 uint32_t last; 1169 uint32_t flags; 1170 uint64_t features; 1171 uint32_t total_sends; 1172 uint32_t total_recvs; 1173 uint32_t total_nospaces; 1174 uint32_t fragmentation_point; 1175 uint16_t local_port; 1176 #if defined(__FreeBSD__) && !defined(__Userspace__) 1177 uint16_t qlen_old; 1178 uint16_t maxqlen_old; 1179 #else 1180 uint16_t qlen; 1181 uint16_t maxqlen; 1182 #endif 1183 uint16_t __spare16; 1184 #if defined(__FreeBSD__) && !defined(__Userspace__) 1185 kvaddr_t socket; 1186 #else 1187 void *socket; 1188 #endif 1189 #if defined(__FreeBSD__) && !defined(__Userspace__) 1190 uint32_t qlen; 1191 uint32_t maxqlen; 1192 #endif 1193 uint32_t extra_padding[26]; /* future */ 1194 }; 1195 1196 struct xsctp_tcb { 1197 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1198 uint32_t last; 1199 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1200 uint32_t state; /* sctpAssocEntry 8 */ 1201 uint32_t in_streams; /* sctpAssocEntry 9 */ 1202 uint32_t out_streams; /* sctpAssocEntry 10 */ 1203 uint32_t max_nr_retrans; /* sctpAssocEntry 11 */ 1204 uint32_t primary_process; /* sctpAssocEntry 12 */ 1205 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1206 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1207 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1208 uint32_t total_sends; 1209 uint32_t total_recvs; 1210 uint32_t local_tag; 1211 uint32_t remote_tag; 1212 uint32_t initial_tsn; 1213 uint32_t highest_tsn; 1214 uint32_t cumulative_tsn; 1215 uint32_t cumulative_tsn_ack; 1216 uint32_t mtu; 1217 uint32_t refcnt; 1218 uint16_t local_port; /* sctpAssocEntry 3 */ 1219 uint16_t remote_port; /* sctpAssocEntry 4 */ 1220 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1221 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1222 uint32_t peers_rwnd; 1223 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1224 uint32_t extra_padding[32]; /* future */ 1225 }; 1226 1227 struct xsctp_laddr { 1228 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1229 uint32_t last; 1230 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1231 uint32_t extra_padding[32]; /* future */ 1232 }; 1233 1234 struct xsctp_raddr { 1235 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1236 uint32_t last; 1237 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1238 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1239 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1240 uint32_t error_counter; /* */ 1241 uint32_t cwnd; /* */ 1242 uint32_t flight_size; /* */ 1243 uint32_t mtu; /* */ 1244 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1245 uint8_t confirmed; /* */ 1246 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1247 uint8_t potentially_failed; 1248 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1249 uint32_t rtt; 1250 uint32_t heartbeat_interval; 1251 uint32_t ssthresh; 1252 uint16_t encaps_port; 1253 uint16_t state; 1254 uint32_t extra_padding[29]; /* future */ 1255 }; 1256 1257 #define SCTP_MAX_LOGGING_SIZE 30000 1258 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1259 1260 struct sctp_log_entry { 1261 uint64_t timestamp; 1262 uint32_t subsys; 1263 uint32_t padding; 1264 uint32_t params[SCTP_TRACE_PARAMS]; 1265 }; 1266 1267 struct sctp_log { 1268 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1269 uint32_t index; 1270 uint32_t padding; 1271 }; 1272 1273 /* 1274 * Kernel defined for sctp_send 1275 */ 1276 #if defined(_KERNEL) || defined(__Userspace__) 1277 int 1278 sctp_lower_sosend(struct socket *so, 1279 struct sockaddr *addr, 1280 struct uio *uio, 1281 struct mbuf *top, 1282 struct mbuf *control, 1283 int flags, 1284 struct sctp_sndrcvinfo *srcv 1285 #if !defined(__Userspace__) 1286 #if defined(__FreeBSD__) 1287 ,struct thread *p 1288 #elif defined(_WIN32) 1289 , PKTHREAD p 1290 #else 1291 ,struct proc *p 1292 #endif 1293 #endif 1294 ); 1295 1296 int 1297 sctp_sorecvmsg(struct socket *so, 1298 struct uio *uio, 1299 struct mbuf **mp, 1300 struct sockaddr *from, 1301 int fromlen, 1302 int *msg_flags, 1303 struct sctp_sndrcvinfo *sinfo, 1304 int filling_sinfo); 1305 #endif 1306 1307 /* 1308 * API system calls 1309 */ 1310 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1311 1312 __BEGIN_DECLS 1313 int sctp_peeloff(int, sctp_assoc_t); 1314 int sctp_bindx(int, struct sockaddr *, int, int); 1315 int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *); 1316 int sctp_getaddrlen(sa_family_t); 1317 int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **); 1318 void sctp_freepaddrs(struct sockaddr *); 1319 int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **); 1320 void sctp_freeladdrs(struct sockaddr *); 1321 int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *); 1322 1323 /* deprecated */ 1324 ssize_t sctp_sendmsg(int, const void *, size_t, const struct sockaddr *, 1325 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1326 1327 /* deprecated */ 1328 ssize_t sctp_send(int, const void *, size_t, 1329 const struct sctp_sndrcvinfo *, int); 1330 1331 /* deprecated */ 1332 ssize_t sctp_sendx(int, const void *, size_t, struct sockaddr *, 1333 int, struct sctp_sndrcvinfo *, int); 1334 1335 /* deprecated */ 1336 ssize_t sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *, 1337 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1338 1339 sctp_assoc_t sctp_getassocid(int, struct sockaddr *); 1340 1341 /* deprecated */ 1342 ssize_t sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *, 1343 struct sctp_sndrcvinfo *, int *); 1344 1345 ssize_t sctp_sendv(int, const struct iovec *, int, struct sockaddr *, 1346 int, void *, socklen_t, unsigned int, int); 1347 1348 ssize_t sctp_recvv(int, const struct iovec *, int, struct sockaddr *, 1349 socklen_t *, void *, socklen_t *, unsigned int *, int *); 1350 __END_DECLS 1351 1352 #endif /* !_KERNEL */ 1353 #endif /* !__sctp_uio_h__ */