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