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