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