1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _NETINET_SCTP_UIO_H_ 36 #define _NETINET_SCTP_UIO_H_ 37 38 #if !defined(_KERNEL) 39 #include <stdint.h> 40 #endif 41 #include <sys/types.h> 42 #include <sys/socket.h> 43 #include <netinet/in.h> 44 45 typedef uint32_t sctp_assoc_t; 46 47 #define SCTP_FUTURE_ASSOC 0 48 #define SCTP_CURRENT_ASSOC 1 49 #define SCTP_ALL_ASSOC 2 50 51 struct sctp_event { 52 sctp_assoc_t se_assoc_id; 53 uint16_t se_type; 54 uint8_t se_on; 55 }; 56 57 /* Compatibility to previous define's */ 58 #define sctp_stream_reset_events sctp_stream_reset_event 59 60 /* On/Off setup for subscription to events */ 61 struct sctp_event_subscribe { 62 uint8_t sctp_data_io_event; 63 uint8_t sctp_association_event; 64 uint8_t sctp_address_event; 65 uint8_t sctp_send_failure_event; 66 uint8_t sctp_peer_error_event; 67 uint8_t sctp_shutdown_event; 68 uint8_t sctp_partial_delivery_event; 69 uint8_t sctp_adaptation_layer_event; 70 uint8_t sctp_authentication_event; 71 uint8_t sctp_sender_dry_event; 72 uint8_t sctp_stream_reset_event; 73 }; 74 75 /* ancillary data types */ 76 #define SCTP_INIT 0x0001 77 #define SCTP_SNDRCV 0x0002 78 #define SCTP_EXTRCV 0x0003 79 #define SCTP_SNDINFO 0x0004 80 #define SCTP_RCVINFO 0x0005 81 #define SCTP_NXTINFO 0x0006 82 #define SCTP_PRINFO 0x0007 83 #define SCTP_AUTHINFO 0x0008 84 #define SCTP_DSTADDRV4 0x0009 85 #define SCTP_DSTADDRV6 0x000a 86 87 /* 88 * ancillary data structures 89 */ 90 struct sctp_initmsg { 91 uint16_t sinit_num_ostreams; 92 uint16_t sinit_max_instreams; 93 uint16_t sinit_max_attempts; 94 uint16_t sinit_max_init_timeo; 95 }; 96 97 /* We add 96 bytes to the size of sctp_sndrcvinfo. 98 * This makes the current structure 128 bytes long 99 * which is nicely 64 bit aligned but also has room 100 * for us to add more and keep ABI compatibility. 101 * For example, already we have the sctp_extrcvinfo 102 * when enabled which is 48 bytes. 103 */ 104 105 /* 106 * The assoc up needs a verfid 107 * all sendrcvinfo's need a verfid for SENDING only. 108 */ 109 110 #define SCTP_ALIGN_RESV_PAD 92 111 #define SCTP_ALIGN_RESV_PAD_SHORT 76 112 113 struct sctp_sndrcvinfo { 114 uint16_t sinfo_stream; 115 uint16_t sinfo_ssn; 116 uint16_t sinfo_flags; 117 uint32_t sinfo_ppid; 118 uint32_t sinfo_context; 119 uint32_t sinfo_timetolive; 120 uint32_t sinfo_tsn; 121 uint32_t sinfo_cumtsn; 122 sctp_assoc_t sinfo_assoc_id; 123 uint16_t sinfo_keynumber; 124 uint16_t sinfo_keynumber_valid; 125 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; 126 }; 127 128 struct sctp_extrcvinfo { 129 uint16_t sinfo_stream; 130 uint16_t sinfo_ssn; 131 uint16_t sinfo_flags; 132 uint32_t sinfo_ppid; 133 uint32_t sinfo_context; 134 uint32_t sinfo_timetolive; /* should have been sinfo_pr_value */ 135 uint32_t sinfo_tsn; 136 uint32_t sinfo_cumtsn; 137 sctp_assoc_t sinfo_assoc_id; 138 uint16_t serinfo_next_flags; 139 uint16_t serinfo_next_stream; 140 uint32_t serinfo_next_aid; 141 uint32_t serinfo_next_length; 142 uint32_t serinfo_next_ppid; 143 uint16_t sinfo_keynumber; 144 uint16_t sinfo_keynumber_valid; 145 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; 146 }; 147 #define sinfo_pr_value sinfo_timetolive 148 #define sreinfo_next_flags serinfo_next_flags 149 #define sreinfo_next_stream serinfo_next_stream 150 #define sreinfo_next_aid serinfo_next_aid 151 #define sreinfo_next_length serinfo_next_length 152 #define sreinfo_next_ppid serinfo_next_ppid 153 154 struct sctp_sndinfo { 155 uint16_t snd_sid; 156 uint16_t snd_flags; 157 uint32_t snd_ppid; 158 uint32_t snd_context; 159 sctp_assoc_t snd_assoc_id; 160 }; 161 162 struct sctp_prinfo { 163 uint16_t pr_policy; 164 uint32_t pr_value; 165 }; 166 167 struct sctp_default_prinfo { 168 uint16_t pr_policy; 169 uint32_t pr_value; 170 sctp_assoc_t pr_assoc_id; 171 }; 172 173 struct sctp_authinfo { 174 uint16_t auth_keynumber; 175 }; 176 177 struct sctp_rcvinfo { 178 uint16_t rcv_sid; 179 uint16_t rcv_ssn; 180 uint16_t rcv_flags; 181 uint32_t rcv_ppid; 182 uint32_t rcv_tsn; 183 uint32_t rcv_cumtsn; 184 uint32_t rcv_context; 185 sctp_assoc_t rcv_assoc_id; 186 }; 187 188 struct sctp_nxtinfo { 189 uint16_t nxt_sid; 190 uint16_t nxt_flags; 191 uint32_t nxt_ppid; 192 uint32_t nxt_length; 193 sctp_assoc_t nxt_assoc_id; 194 }; 195 196 #define SCTP_NO_NEXT_MSG 0x0000 197 #define SCTP_NEXT_MSG_AVAIL 0x0001 198 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 199 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 200 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 201 202 struct sctp_recvv_rn { 203 struct sctp_rcvinfo recvv_rcvinfo; 204 struct sctp_nxtinfo recvv_nxtinfo; 205 }; 206 207 #define SCTP_RECVV_NOINFO 0 208 #define SCTP_RECVV_RCVINFO 1 209 #define SCTP_RECVV_NXTINFO 2 210 #define SCTP_RECVV_RN 3 211 212 #define SCTP_SENDV_NOINFO 0 213 #define SCTP_SENDV_SNDINFO 1 214 #define SCTP_SENDV_PRINFO 2 215 #define SCTP_SENDV_AUTHINFO 3 216 #define SCTP_SENDV_SPA 4 217 218 struct sctp_sendv_spa { 219 uint32_t sendv_flags; 220 struct sctp_sndinfo sendv_sndinfo; 221 struct sctp_prinfo sendv_prinfo; 222 struct sctp_authinfo sendv_authinfo; 223 }; 224 225 #define SCTP_SEND_SNDINFO_VALID 0x00000001 226 #define SCTP_SEND_PRINFO_VALID 0x00000002 227 #define SCTP_SEND_AUTHINFO_VALID 0x00000004 228 229 struct sctp_snd_all_completes { 230 uint16_t sall_stream; 231 uint16_t sall_flags; 232 uint32_t sall_ppid; 233 uint32_t sall_context; 234 uint32_t sall_num_sent; 235 uint32_t sall_num_failed; 236 }; 237 238 /* Flags that go into the sinfo->sinfo_flags field */ 239 #define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ 240 #define SCTP_COMPLETE 0x0020 /* next message is complete */ 241 #define SCTP_EOF 0x0100 /* Start shutdown procedures */ 242 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ 243 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ 244 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ 245 #define SCTP_SENDALL 0x1000 /* Send this on all associations */ 246 #define SCTP_EOR 0x2000 /* end of message signal */ 247 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ 248 249 #define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ 250 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ 251 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ 252 SCTP_SACK_IMMEDIATELY)) != 0) 253 /* for the endpoint */ 254 255 /* The lower four bits is an enumeration of PR-SCTP policies */ 256 #define SCTP_PR_SCTP_NONE 0x0000 /* Reliable transfer */ 257 #define SCTP_PR_SCTP_TTL 0x0001 /* Time based PR-SCTP */ 258 #define SCTP_PR_SCTP_PRIO 0x0002 /* Buffer based PR-SCTP */ 259 #define SCTP_PR_SCTP_BUF SCTP_PR_SCTP_PRIO /* For backwards compatibility */ 260 #define SCTP_PR_SCTP_RTX 0x0003 /* Number of retransmissions based 261 * PR-SCTP */ 262 #define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX 263 #define SCTP_PR_SCTP_ALL 0x000f /* Used for aggregated stats */ 264 265 #define PR_SCTP_POLICY(x) ((x) & 0x0f) 266 #define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \ 267 (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL)) 268 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 269 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 270 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 271 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX) 272 #define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX) 273 274 /* Stat's */ 275 struct sctp_pcbinfo { 276 uint32_t ep_count; 277 uint32_t asoc_count; 278 uint32_t laddr_count; 279 uint32_t raddr_count; 280 uint32_t chk_count; 281 uint32_t readq_count; 282 uint32_t free_chunks; 283 uint32_t stream_oque; 284 }; 285 286 struct sctp_sockstat { 287 sctp_assoc_t ss_assoc_id; 288 uint32_t ss_total_sndbuf; 289 uint32_t ss_total_recv_buf; 290 }; 291 292 /* 293 * notification event structures 294 */ 295 296 /* 297 * association change event 298 */ 299 struct sctp_assoc_change { 300 uint16_t sac_type; 301 uint16_t sac_flags; 302 uint32_t sac_length; 303 uint16_t sac_state; 304 uint16_t sac_error; 305 uint16_t sac_outbound_streams; 306 uint16_t sac_inbound_streams; 307 sctp_assoc_t sac_assoc_id; 308 uint8_t sac_info[]; 309 }; 310 311 /* sac_state values */ 312 #define SCTP_COMM_UP 0x0001 313 #define SCTP_COMM_LOST 0x0002 314 #define SCTP_RESTART 0x0003 315 #define SCTP_SHUTDOWN_COMP 0x0004 316 #define SCTP_CANT_STR_ASSOC 0x0005 317 318 /* sac_info values */ 319 #define SCTP_ASSOC_SUPPORTS_PR 0x01 320 #define SCTP_ASSOC_SUPPORTS_AUTH 0x02 321 #define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 322 #define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 323 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 324 #define SCTP_ASSOC_SUPPORTS_INTERLEAVING 0x06 325 #define SCTP_ASSOC_SUPPORTS_MAX 0x06 326 /* 327 * Address event 328 */ 329 struct sctp_paddr_change { 330 uint16_t spc_type; 331 uint16_t spc_flags; 332 uint32_t spc_length; 333 struct sockaddr_storage spc_aaddr; 334 uint32_t spc_state; 335 uint32_t spc_error; 336 sctp_assoc_t spc_assoc_id; 337 }; 338 339 /* paddr state values */ 340 #define SCTP_ADDR_AVAILABLE 0x0001 341 #define SCTP_ADDR_UNREACHABLE 0x0002 342 #define SCTP_ADDR_REMOVED 0x0003 343 #define SCTP_ADDR_ADDED 0x0004 344 #define SCTP_ADDR_MADE_PRIM 0x0005 345 #define SCTP_ADDR_CONFIRMED 0x0006 346 347 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 348 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor 349 * SCTP_ADDR_UNCONFIRMED */ 350 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 351 352 /* remote error events */ 353 struct sctp_remote_error { 354 uint16_t sre_type; 355 uint16_t sre_flags; 356 uint32_t sre_length; 357 uint16_t sre_error; 358 sctp_assoc_t sre_assoc_id; 359 uint8_t sre_data[]; 360 }; 361 362 /* data send failure event (deprecated) */ 363 struct sctp_send_failed { 364 uint16_t ssf_type; 365 uint16_t ssf_flags; 366 uint32_t ssf_length; 367 uint32_t ssf_error; 368 struct sctp_sndrcvinfo ssf_info; 369 sctp_assoc_t ssf_assoc_id; 370 uint8_t ssf_data[]; 371 }; 372 373 /* data send failure event (not deprecated) */ 374 struct sctp_send_failed_event { 375 uint16_t ssfe_type; 376 uint16_t ssfe_flags; 377 uint32_t ssfe_length; 378 uint32_t ssfe_error; 379 struct sctp_sndinfo ssfe_info; 380 sctp_assoc_t ssfe_assoc_id; 381 uint8_t ssfe_data[]; 382 }; 383 384 /* flag that indicates state of data */ 385 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 386 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 387 388 /* shutdown event */ 389 struct sctp_shutdown_event { 390 uint16_t sse_type; 391 uint16_t sse_flags; 392 uint32_t sse_length; 393 sctp_assoc_t sse_assoc_id; 394 }; 395 396 /* Adaptation layer indication stuff */ 397 struct sctp_adaptation_event { 398 uint16_t sai_type; 399 uint16_t sai_flags; 400 uint32_t sai_length; 401 uint32_t sai_adaptation_ind; 402 sctp_assoc_t sai_assoc_id; 403 }; 404 405 struct sctp_setadaptation { 406 uint32_t ssb_adaptation_ind; 407 }; 408 409 /* compatible old spelling */ 410 struct sctp_adaption_event { 411 uint16_t sai_type; 412 uint16_t sai_flags; 413 uint32_t sai_length; 414 uint32_t sai_adaption_ind; 415 sctp_assoc_t sai_assoc_id; 416 }; 417 418 struct sctp_setadaption { 419 uint32_t ssb_adaption_ind; 420 }; 421 422 /* 423 * Partial Delivery API event 424 */ 425 struct sctp_pdapi_event { 426 uint16_t pdapi_type; 427 uint16_t pdapi_flags; 428 uint32_t pdapi_length; 429 uint32_t pdapi_indication; 430 uint16_t pdapi_stream; 431 uint16_t pdapi_seq; 432 sctp_assoc_t pdapi_assoc_id; 433 }; 434 435 /* indication values */ 436 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 437 438 /* 439 * authentication key event 440 */ 441 struct sctp_authkey_event { 442 uint16_t auth_type; 443 uint16_t auth_flags; 444 uint32_t auth_length; 445 uint16_t auth_keynumber; 446 uint16_t auth_altkeynumber; 447 uint32_t auth_indication; 448 sctp_assoc_t auth_assoc_id; 449 }; 450 451 /* indication values */ 452 #define SCTP_AUTH_NEW_KEY 0x0001 453 #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 454 #define SCTP_AUTH_NO_AUTH 0x0002 455 #define SCTP_AUTH_FREE_KEY 0x0003 456 457 struct sctp_sender_dry_event { 458 uint16_t sender_dry_type; 459 uint16_t sender_dry_flags; 460 uint32_t sender_dry_length; 461 sctp_assoc_t sender_dry_assoc_id; 462 }; 463 464 /* 465 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 466 */ 467 struct sctp_stream_reset_event { 468 uint16_t strreset_type; 469 uint16_t strreset_flags; 470 uint32_t strreset_length; 471 sctp_assoc_t strreset_assoc_id; 472 uint16_t strreset_stream_list[]; 473 }; 474 475 /* flags in stream_reset_event (strreset_flags) */ 476 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 477 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 478 #define SCTP_STREAM_RESET_DENIED 0x0004 479 #define SCTP_STREAM_RESET_FAILED 0x0008 480 481 /* 482 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 483 */ 484 struct sctp_assoc_reset_event { 485 uint16_t assocreset_type; 486 uint16_t assocreset_flags; 487 uint32_t assocreset_length; 488 sctp_assoc_t assocreset_assoc_id; 489 uint32_t assocreset_local_tsn; 490 uint32_t assocreset_remote_tsn; 491 }; 492 493 #define SCTP_ASSOC_RESET_DENIED 0x0004 494 #define SCTP_ASSOC_RESET_FAILED 0x0008 495 496 /* 497 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 498 */ 499 struct sctp_stream_change_event { 500 uint16_t strchange_type; 501 uint16_t strchange_flags; 502 uint32_t strchange_length; 503 sctp_assoc_t strchange_assoc_id; 504 uint16_t strchange_instrms; 505 uint16_t strchange_outstrms; 506 }; 507 508 #define SCTP_STREAM_CHANGE_DENIED 0x0004 509 #define SCTP_STREAM_CHANGE_FAILED 0x0008 510 511 /* SCTP notification event */ 512 struct sctp_tlv { 513 uint16_t sn_type; 514 uint16_t sn_flags; 515 uint32_t sn_length; 516 }; 517 518 union sctp_notification { 519 struct sctp_tlv sn_header; 520 struct sctp_assoc_change sn_assoc_change; 521 struct sctp_paddr_change sn_paddr_change; 522 struct sctp_remote_error sn_remote_error; 523 struct sctp_send_failed sn_send_failed; 524 struct sctp_shutdown_event sn_shutdown_event; 525 struct sctp_adaptation_event sn_adaptation_event; 526 /* compatibility same as above */ 527 struct sctp_adaption_event sn_adaption_event; 528 struct sctp_pdapi_event sn_pdapi_event; 529 struct sctp_authkey_event sn_auth_event; 530 struct sctp_sender_dry_event sn_sender_dry_event; 531 struct sctp_send_failed_event sn_send_failed_event; 532 struct sctp_stream_reset_event sn_strreset_event; 533 struct sctp_assoc_reset_event sn_assocreset_event; 534 struct sctp_stream_change_event sn_strchange_event; 535 }; 536 537 /* notification types */ 538 #define SCTP_ASSOC_CHANGE 0x0001 539 #define SCTP_PEER_ADDR_CHANGE 0x0002 540 #define SCTP_REMOTE_ERROR 0x0003 541 #define SCTP_SEND_FAILED 0x0004 542 #define SCTP_SHUTDOWN_EVENT 0x0005 543 #define SCTP_ADAPTATION_INDICATION 0x0006 544 /* same as above */ 545 #define SCTP_ADAPTION_INDICATION 0x0006 546 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 547 #define SCTP_AUTHENTICATION_EVENT 0x0008 548 #define SCTP_STREAM_RESET_EVENT 0x0009 549 #define SCTP_SENDER_DRY_EVENT 0x000a 550 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */ 551 #define SCTP_ASSOC_RESET_EVENT 0x000c 552 #define SCTP_STREAM_CHANGE_EVENT 0x000d 553 #define SCTP_SEND_FAILED_EVENT 0x000e 554 /* 555 * socket option structs 556 */ 557 558 struct sctp_paddrparams { 559 struct sockaddr_storage spp_address; 560 sctp_assoc_t spp_assoc_id; 561 uint32_t spp_hbinterval; 562 uint32_t spp_pathmtu; 563 uint32_t spp_flags; 564 uint32_t spp_ipv6_flowlabel; 565 uint16_t spp_pathmaxrxt; 566 uint8_t spp_dscp; 567 }; 568 #define spp_ipv4_tos spp_dscp 569 570 #define SPP_HB_ENABLE 0x00000001 571 #define SPP_HB_DISABLE 0x00000002 572 #define SPP_HB_DEMAND 0x00000004 573 #define SPP_PMTUD_ENABLE 0x00000008 574 #define SPP_PMTUD_DISABLE 0x00000010 575 #define SPP_HB_TIME_IS_ZERO 0x00000080 576 #define SPP_IPV6_FLOWLABEL 0x00000100 577 #define SPP_DSCP 0x00000200 578 #define SPP_IPV4_TOS SPP_DSCP 579 580 struct sctp_paddrthlds { 581 struct sockaddr_storage spt_address; 582 sctp_assoc_t spt_assoc_id; 583 uint16_t spt_pathmaxrxt; 584 uint16_t spt_pathpfthld; 585 uint16_t spt_pathcpthld; 586 }; 587 588 struct sctp_paddrinfo { 589 struct sockaddr_storage spinfo_address; 590 sctp_assoc_t spinfo_assoc_id; 591 int32_t spinfo_state; 592 uint32_t spinfo_cwnd; 593 uint32_t spinfo_srtt; 594 uint32_t spinfo_rto; 595 uint32_t spinfo_mtu; 596 }; 597 598 struct sctp_rtoinfo { 599 sctp_assoc_t srto_assoc_id; 600 uint32_t srto_initial; 601 uint32_t srto_max; 602 uint32_t srto_min; 603 }; 604 605 struct sctp_assocparams { 606 sctp_assoc_t sasoc_assoc_id; 607 uint32_t sasoc_peer_rwnd; 608 uint32_t sasoc_local_rwnd; 609 uint32_t sasoc_cookie_life; 610 uint16_t sasoc_asocmaxrxt; 611 uint16_t sasoc_number_peer_destinations; 612 }; 613 614 struct sctp_setprim { 615 struct sockaddr_storage ssp_addr; 616 sctp_assoc_t ssp_assoc_id; 617 uint8_t ssp_padding[4]; 618 }; 619 620 struct sctp_setpeerprim { 621 struct sockaddr_storage sspp_addr; 622 sctp_assoc_t sspp_assoc_id; 623 uint8_t sspp_padding[4]; 624 }; 625 626 union sctp_sockstore { 627 struct sockaddr_in sin; 628 struct sockaddr_in6 sin6; 629 struct sockaddr sa; 630 }; 631 632 struct sctp_getaddresses { 633 sctp_assoc_t sget_assoc_id; 634 union sctp_sockstore addr[]; 635 }; 636 637 struct sctp_status { 638 sctp_assoc_t sstat_assoc_id; 639 int32_t sstat_state; 640 uint32_t sstat_rwnd; 641 uint16_t sstat_unackdata; 642 uint16_t sstat_penddata; 643 uint16_t sstat_instrms; 644 uint16_t sstat_outstrms; 645 uint32_t sstat_fragmentation_point; 646 struct sctp_paddrinfo sstat_primary; 647 }; 648 649 /* 650 * AUTHENTICATION support 651 */ 652 /* SCTP_AUTH_CHUNK */ 653 struct sctp_authchunk { 654 uint8_t sauth_chunk; 655 }; 656 657 /* SCTP_AUTH_KEY */ 658 struct sctp_authkey { 659 sctp_assoc_t sca_assoc_id; 660 uint16_t sca_keynumber; 661 uint16_t sca_keylength; 662 uint8_t sca_key[]; 663 }; 664 665 /* SCTP_HMAC_IDENT */ 666 struct sctp_hmacalgo { 667 uint32_t shmac_number_of_idents; 668 uint16_t shmac_idents[]; 669 }; 670 671 /* AUTH hmac_id */ 672 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 673 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 674 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 675 676 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 677 struct sctp_authkeyid { 678 sctp_assoc_t scact_assoc_id; 679 uint16_t scact_keynumber; 680 }; 681 682 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 683 struct sctp_authchunks { 684 sctp_assoc_t gauth_assoc_id; 685 uint32_t gauth_number_of_chunks; 686 uint8_t gauth_chunks[]; 687 }; 688 689 struct sctp_assoc_value { 690 sctp_assoc_t assoc_id; 691 uint32_t assoc_value; 692 }; 693 694 struct sctp_cc_option { 695 int option; 696 struct sctp_assoc_value aid_value; 697 }; 698 699 struct sctp_stream_value { 700 sctp_assoc_t assoc_id; 701 uint16_t stream_id; 702 uint16_t stream_value; 703 }; 704 705 struct sctp_assoc_ids { 706 uint32_t gaids_number_of_ids; 707 sctp_assoc_t gaids_assoc_id[]; 708 }; 709 710 struct sctp_sack_info { 711 sctp_assoc_t sack_assoc_id; 712 uint32_t sack_delay; 713 uint32_t sack_freq; 714 }; 715 716 struct sctp_timeouts { 717 sctp_assoc_t stimo_assoc_id; 718 uint32_t stimo_init; 719 uint32_t stimo_data; 720 uint32_t stimo_sack; 721 uint32_t stimo_shutdown; 722 uint32_t stimo_heartbeat; 723 uint32_t stimo_cookie; 724 uint32_t stimo_shutdownack; 725 }; 726 727 struct sctp_udpencaps { 728 struct sockaddr_storage sue_address; 729 sctp_assoc_t sue_assoc_id; 730 uint16_t sue_port; 731 }; 732 733 struct sctp_prstatus { 734 sctp_assoc_t sprstat_assoc_id; 735 uint16_t sprstat_sid; 736 uint16_t sprstat_policy; 737 uint64_t sprstat_abandoned_unsent; 738 uint64_t sprstat_abandoned_sent; 739 }; 740 741 struct sctp_cwnd_args { 742 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 743 uint32_t cwnd_new_value; /* cwnd in k */ 744 uint32_t pseudo_cumack; 745 uint16_t inflight; /* flightsize in k */ 746 uint16_t cwnd_augment; /* increment to it */ 747 uint8_t meets_pseudo_cumack; 748 uint8_t need_new_pseudo_cumack; 749 uint8_t cnt_in_send; 750 uint8_t cnt_in_str; 751 }; 752 753 struct sctp_blk_args { 754 uint32_t onsb; /* in 1k bytes */ 755 uint32_t sndlen; /* len of send being attempted */ 756 uint32_t peer_rwnd; /* rwnd of peer */ 757 uint16_t send_sent_qcnt; /* chnk cnt */ 758 uint16_t stream_qcnt; /* chnk cnt */ 759 uint16_t chunks_on_oque; /* chunks out */ 760 uint16_t flight_size; /* flight size in k */ 761 }; 762 763 /* 764 * Max we can reset in one setting, note this is dictated not by the define 765 * but the size of a mbuf cluster so don't change this define and think you 766 * can specify more. You must do multiple resets if you want to reset more 767 * than SCTP_MAX_EXPLICIT_STR_RESET. 768 */ 769 #define SCTP_MAX_EXPLICT_STR_RESET 1000 770 771 struct sctp_reset_streams { 772 sctp_assoc_t srs_assoc_id; 773 uint16_t srs_flags; 774 uint16_t srs_number_streams; /* 0 == ALL */ 775 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */ 776 }; 777 778 struct sctp_add_streams { 779 sctp_assoc_t sas_assoc_id; 780 uint16_t sas_instrms; 781 uint16_t sas_outstrms; 782 }; 783 784 struct sctp_get_nonce_values { 785 sctp_assoc_t gn_assoc_id; 786 uint32_t gn_peers_tag; 787 uint32_t gn_local_tag; 788 }; 789 790 /* Values for SCTP_ACCEPT_ZERO_CHECKSUM */ 791 #define SCTP_EDMID_NONE 0 792 #define SCTP_EDMID_LOWER_LAYER_DTLS 1 793 794 /* Debugging logs */ 795 struct sctp_str_log { 796 void *stcb; /* FIXME: LP64 issue */ 797 uint32_t n_tsn; 798 uint32_t e_tsn; 799 uint16_t n_sseq; 800 uint16_t e_sseq; 801 uint16_t strm; 802 }; 803 804 struct sctp_sb_log { 805 void *stcb; /* FIXME: LP64 issue */ 806 uint32_t so_sbcc; 807 uint32_t stcb_sbcc; 808 uint32_t incr; 809 }; 810 811 struct sctp_fr_log { 812 uint32_t largest_tsn; 813 uint32_t largest_new_tsn; 814 uint32_t tsn; 815 }; 816 817 struct sctp_fr_map { 818 uint32_t base; 819 uint32_t cum; 820 uint32_t high; 821 }; 822 823 struct sctp_rwnd_log { 824 uint32_t rwnd; 825 uint32_t send_size; 826 uint32_t overhead; 827 uint32_t new_rwnd; 828 }; 829 830 struct sctp_mbcnt_log { 831 uint32_t total_queue_size; 832 uint32_t size_change; 833 uint32_t total_queue_mb_size; 834 uint32_t mbcnt_change; 835 }; 836 837 struct sctp_sack_log { 838 uint32_t cumack; 839 uint32_t oldcumack; 840 uint32_t tsn; 841 uint16_t numGaps; 842 uint16_t numDups; 843 }; 844 845 struct sctp_lock_log { 846 void *sock; /* FIXME: LP64 issue */ 847 void *inp; /* FIXME: LP64 issue */ 848 uint8_t tcb_lock; 849 uint8_t inp_lock; 850 uint8_t info_lock; 851 uint8_t sock_lock; 852 uint8_t sockrcvbuf_lock; 853 uint8_t socksndbuf_lock; 854 uint8_t create_lock; 855 uint8_t resv; 856 }; 857 858 struct sctp_rto_log { 859 void *net; /* FIXME: LP64 issue */ 860 uint32_t rtt; 861 }; 862 863 struct sctp_nagle_log { 864 void *stcb; /* FIXME: LP64 issue */ 865 uint32_t total_flight; 866 uint32_t total_in_queue; 867 uint16_t count_in_queue; 868 uint16_t count_in_flight; 869 }; 870 871 struct sctp_sbwake_log { 872 void *stcb; /* FIXME: LP64 issue */ 873 uint16_t send_q; 874 uint16_t sent_q; 875 uint16_t flight; 876 uint16_t wake_cnt; 877 uint8_t stream_qcnt; /* chnk cnt */ 878 uint8_t chunks_on_oque; /* chunks out */ 879 uint8_t sbflags; 880 uint8_t sctpflags; 881 }; 882 883 struct sctp_misc_info { 884 uint32_t log1; 885 uint32_t log2; 886 uint32_t log3; 887 uint32_t log4; 888 }; 889 890 struct sctp_log_closing { 891 void *inp; /* FIXME: LP64 issue */ 892 void *stcb; /* FIXME: LP64 issue */ 893 uint32_t sctp_flags; 894 uint16_t state; 895 int16_t loc; 896 }; 897 898 struct sctp_mbuf_log { 899 struct mbuf *mp; /* FIXME: LP64 issue */ 900 caddr_t ext; 901 caddr_t data; 902 uint16_t size; 903 uint8_t refcnt; 904 uint8_t mbuf_flags; 905 }; 906 907 struct sctp_cwnd_log { 908 uint64_t time_event; 909 uint8_t from; 910 uint8_t event_type; 911 uint8_t resv[2]; 912 union { 913 struct sctp_log_closing close; 914 struct sctp_blk_args blk; 915 struct sctp_cwnd_args cwnd; 916 struct sctp_str_log strlog; 917 struct sctp_fr_log fr; 918 struct sctp_fr_map map; 919 struct sctp_rwnd_log rwnd; 920 struct sctp_mbcnt_log mbcnt; 921 struct sctp_sack_log sack; 922 struct sctp_lock_log lock; 923 struct sctp_rto_log rto; 924 struct sctp_sb_log sb; 925 struct sctp_nagle_log nagle; 926 struct sctp_sbwake_log wake; 927 struct sctp_mbuf_log mb; 928 struct sctp_misc_info misc; 929 } x; 930 }; 931 932 struct sctp_cwnd_log_req { 933 int32_t num_in_log; /* Number in log */ 934 int32_t num_ret; /* Number returned */ 935 int32_t start_at; /* start at this one */ 936 int32_t end_at; /* end at this one */ 937 struct sctp_cwnd_log log[]; 938 }; 939 940 struct sctp_timeval { 941 uint32_t tv_sec; 942 uint32_t tv_usec; 943 }; 944 945 struct sctpstat { 946 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 947 * (TimeStamp) */ 948 /* MIB according to RFC 3873 */ 949 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 950 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 951 uint32_t sctps_restartestab; 952 uint32_t sctps_collisionestab; 953 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 954 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 955 uint32_t sctps_shutdown; /* sctpStats 5 (Counter32) */ 956 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 957 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 958 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 959 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 960 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 961 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 962 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 963 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 964 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 965 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 966 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 967 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 968 969 /* input statistics: */ 970 uint32_t sctps_recvpackets; /* total input packets */ 971 uint32_t sctps_recvdatagrams; /* total input datagrams */ 972 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 973 uint32_t sctps_recvsacks; /* total input SACK chunks */ 974 uint32_t sctps_recvdata; /* total input DATA chunks */ 975 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 976 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 977 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 978 uint32_t sctps_recvecne; /* total input ECNE chunks */ 979 uint32_t sctps_recvauth; /* total input AUTH chunks */ 980 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 981 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 982 * received */ 983 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 984 * received */ 985 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 986 uint32_t sctps_recvexpress; /* total fast path receives all one 987 * chunk */ 988 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 989 uint32_t sctps_recv_spare; /* formerly sctps_recvnocrc */ 990 uint32_t sctps_recvswcrc; 991 uint32_t sctps_recvhwcrc; 992 993 /* output statistics: */ 994 uint32_t sctps_sendpackets; /* total output packets */ 995 uint32_t sctps_sendsacks; /* total output SACKs */ 996 uint32_t sctps_senddata; /* total output DATA chunks */ 997 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 998 * chunks */ 999 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 1000 * DATA chunks */ 1001 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 1002 * more than once to same 1003 * chunk (u-del multi-fr 1004 * algo). */ 1005 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 1006 uint32_t sctps_sendecne; /* total output ECNE chunks */ 1007 uint32_t sctps_sendauth; /* total output AUTH chunks FIXME */ 1008 uint32_t sctps_senderrors; /* ip_output error counter */ 1009 uint32_t sctps_send_spare; /* formerly sctps_sendnocrc */ 1010 uint32_t sctps_sendswcrc; 1011 uint32_t sctps_sendhwcrc; 1012 /* PCKDROPREP statistics: */ 1013 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 1014 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 1015 uint32_t sctps_pdrpmbda; /* P-drops with data */ 1016 uint32_t sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ 1017 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 1018 * only */ 1019 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1020 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1021 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 1022 * said break */ 1023 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1024 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1025 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1026 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1027 uint32_t sctps_pdrpbadd; /* P-drop, data did not match TSN */ 1028 uint32_t sctps_pdrpmark; /* P-drop, TSN's marked for Fast 1029 * Retran */ 1030 /* timeouts */ 1031 uint32_t sctps_timoiterator; /* Number of iterator timers that 1032 * fired */ 1033 uint32_t sctps_timodata; /* Number of T3 data time outs */ 1034 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 1035 * that fired */ 1036 uint32_t sctps_timoinit; /* Number of INIT timers that fired */ 1037 uint32_t sctps_timosack; /* Number of sack timers that fired */ 1038 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 1039 * fired */ 1040 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 1041 * fired */ 1042 uint32_t sctps_timocookie; /* Number of times a cookie timeout 1043 * fired */ 1044 uint32_t sctps_timosecret; /* Number of times an endpoint changed 1045 * its cookie secret */ 1046 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1047 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 1048 * fired */ 1049 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 1050 * timers that fired */ 1051 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 1052 * fired */ 1053 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 1054 * fired */ 1055 uint32_t sctps_timoasconf; /* Number of times an asconf timer 1056 * fired */ 1057 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 1058 * timer fired */ 1059 uint32_t sctps_timoautoclose; /* Number of times auto close timer 1060 * fired */ 1061 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1062 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1063 /* former early FR counters */ 1064 uint32_t sctps_spare[11]; 1065 /* others */ 1066 uint32_t sctps_hdrops; /* packet shorter than header */ 1067 uint32_t sctps_badsum; /* checksum error */ 1068 uint32_t sctps_noport; /* no endpoint for port */ 1069 uint32_t sctps_badvtag; /* bad v-tag */ 1070 uint32_t sctps_badsid; /* bad SID */ 1071 uint32_t sctps_nomem; /* no memory */ 1072 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 1073 * RTT window */ 1074 uint32_t sctps_markedretrans; 1075 uint32_t sctps_naglesent; /* nagle allowed sending */ 1076 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1077 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1078 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1079 * interface ring buffer OR we had a 1080 * send error and are queuing one 1081 * send. */ 1082 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1083 uint32_t sctps_lowlevelerr; /* total times an output error causes 1084 * us to clamp down on next user send. */ 1085 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 1086 * caused from a user send from a user 1087 * invoked send not a sack response */ 1088 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 1089 * chunk limit reached */ 1090 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 1091 * limit reached */ 1092 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 1093 * cwnd */ 1094 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1095 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1096 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 1097 * of user data on primary */ 1098 uint32_t sctps_cmt_randry; /* Same for above */ 1099 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1100 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1101 uint32_t sctps_sends_with_flags; /* number of sends with 1102 * sinfo_flags !=0 */ 1103 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1104 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1105 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 1106 * flag set */ 1107 uint32_t sctps_protocol_drain_calls; /* number of times protocol 1108 * drain called */ 1109 uint32_t sctps_protocol_drains_done; /* number of times we did a 1110 * protocol drain */ 1111 uint32_t sctps_read_peeks; /* Number of times recv was called 1112 * with peek */ 1113 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1114 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1115 uint32_t sctps_left_abandon; /* Number of unread messages abandoned 1116 * by close */ 1117 uint32_t sctps_send_burst_avoid; /* Unused */ 1118 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 1119 * max burst inflight to net */ 1120 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 1121 * fwd-tsn's */ 1122 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or 1123 * updated an ECN chunk on send queue */ 1124 uint32_t sctps_recvzerocrc; /* Number of accepted packets with 1125 * zero CRC */ 1126 uint32_t sctps_sendzerocrc; /* Number of packets sent with zero 1127 * CRC */ 1128 uint32_t sctps_reserved[29]; /* Future ABI compat - remove int's 1129 * from here when adding new */ 1130 }; 1131 1132 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1133 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1134 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1135 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1136 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1137 #else 1138 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1139 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1140 #endif 1141 /* The following macros are for handling MIB values, */ 1142 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1143 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1144 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1145 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1146 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1147 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1148 1149 /***********************************/ 1150 /* And something for us old timers */ 1151 /***********************************/ 1152 1153 #ifndef ntohll 1154 #include <sys/endian.h> 1155 #define ntohll(x) be64toh(x) 1156 #endif 1157 1158 #ifndef htonll 1159 #include <sys/endian.h> 1160 #define htonll(x) htobe64(x) 1161 #endif 1162 /***********************************/ 1163 1164 struct xsctp_inpcb { 1165 uint32_t last; 1166 uint32_t flags; 1167 uint64_t features; 1168 uint32_t total_sends; 1169 uint32_t total_recvs; 1170 uint32_t total_nospaces; 1171 uint32_t fragmentation_point; 1172 uint16_t local_port; 1173 uint16_t qlen_old; 1174 uint16_t maxqlen_old; 1175 uint16_t __spare16; 1176 kvaddr_t socket; 1177 uint32_t qlen; 1178 uint32_t maxqlen; 1179 uint32_t extra_padding[26]; /* future */ 1180 }; 1181 1182 struct xsctp_tcb { 1183 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1184 uint32_t last; 1185 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1186 uint32_t state; /* sctpAssocEntry 8 */ 1187 uint32_t in_streams; /* sctpAssocEntry 9 */ 1188 uint32_t out_streams; /* sctpAssocEntry 10 */ 1189 uint32_t max_nr_retrans; /* sctpAssocEntry 11 */ 1190 uint32_t primary_process; /* sctpAssocEntry 12 */ 1191 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1192 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1193 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1194 uint32_t total_sends; 1195 uint32_t total_recvs; 1196 uint32_t local_tag; 1197 uint32_t remote_tag; 1198 uint32_t initial_tsn; 1199 uint32_t highest_tsn; 1200 uint32_t cumulative_tsn; 1201 uint32_t cumulative_tsn_ack; 1202 uint32_t mtu; 1203 uint32_t refcnt; 1204 uint16_t local_port; /* sctpAssocEntry 3 */ 1205 uint16_t remote_port; /* sctpAssocEntry 4 */ 1206 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1207 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1208 uint32_t peers_rwnd; 1209 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1210 uint32_t extra_padding[32]; /* future */ 1211 }; 1212 1213 struct xsctp_laddr { 1214 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1215 uint32_t last; 1216 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1217 uint32_t extra_padding[32]; /* future */ 1218 }; 1219 1220 struct xsctp_raddr { 1221 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1222 uint32_t last; 1223 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1224 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1225 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1226 uint32_t error_counter; /* */ 1227 uint32_t cwnd; /* */ 1228 uint32_t flight_size; /* */ 1229 uint32_t mtu; /* */ 1230 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1231 uint8_t confirmed; /* */ 1232 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1233 uint8_t potentially_failed; 1234 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1235 uint32_t rtt; 1236 uint32_t heartbeat_interval; 1237 uint32_t ssthresh; 1238 uint16_t encaps_port; 1239 uint16_t state; 1240 uint32_t extra_padding[29]; /* future */ 1241 }; 1242 1243 #define SCTP_MAX_LOGGING_SIZE 30000 1244 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1245 1246 struct sctp_log_entry { 1247 uint64_t timestamp; 1248 uint32_t subsys; 1249 uint32_t padding; 1250 uint32_t params[SCTP_TRACE_PARAMS]; 1251 }; 1252 1253 struct sctp_log { 1254 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1255 uint32_t index; 1256 uint32_t padding; 1257 }; 1258 1259 /* 1260 * Kernel defined for sctp_send 1261 */ 1262 #if defined(_KERNEL) || defined(__Userspace__) 1263 int 1264 sctp_lower_sosend(struct socket *so, 1265 struct sockaddr *addr, 1266 struct uio *uio, 1267 struct mbuf *top, 1268 struct mbuf *control, 1269 int flags, 1270 struct sctp_sndrcvinfo *srcv 1271 ,struct thread *p 1272 ); 1273 1274 int 1275 sctp_sorecvmsg(struct socket *so, 1276 struct uio *uio, 1277 struct mbuf **mp, 1278 struct sockaddr *from, 1279 int fromlen, 1280 int *msg_flags, 1281 struct sctp_sndrcvinfo *sinfo, 1282 int filling_sinfo); 1283 #endif 1284 1285 /* 1286 * API system calls 1287 */ 1288 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1289 1290 __BEGIN_DECLS 1291 int sctp_peeloff(int, sctp_assoc_t); 1292 int sctp_bindx(int, struct sockaddr *, int, int); 1293 int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *); 1294 int sctp_getaddrlen(sa_family_t); 1295 int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **); 1296 void sctp_freepaddrs(struct sockaddr *); 1297 int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **); 1298 void sctp_freeladdrs(struct sockaddr *); 1299 int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *); 1300 1301 /* deprecated */ 1302 ssize_t 1303 sctp_sendmsg(int, const void *, size_t, const struct sockaddr *, 1304 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1305 1306 /* deprecated */ 1307 ssize_t 1308 sctp_send(int, const void *, size_t, 1309 const struct sctp_sndrcvinfo *, int); 1310 1311 /* deprecated */ 1312 ssize_t 1313 sctp_sendx(int, const void *, size_t, struct sockaddr *, 1314 int, struct sctp_sndrcvinfo *, int); 1315 1316 /* deprecated */ 1317 ssize_t 1318 sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *, 1319 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1320 1321 sctp_assoc_t sctp_getassocid(int, struct sockaddr *); 1322 1323 /* deprecated */ 1324 ssize_t 1325 sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *, 1326 struct sctp_sndrcvinfo *, int *); 1327 1328 ssize_t 1329 sctp_sendv(int, const struct iovec *, int, struct sockaddr *, 1330 int, void *, socklen_t, unsigned int, int); 1331 1332 ssize_t 1333 sctp_recvv(int, const struct iovec *, int, struct sockaddr *, 1334 socklen_t *, void *, socklen_t *, unsigned int *, int *); 1335 1336 __END_DECLS 1337 1338 #endif /* !_KERNEL */ 1339 #endif /* !__sctp_uio_h__ */ 1340