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