1 /*- 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #ifndef _NETINET_SCTP_UIO_H_ 37 #define _NETINET_SCTP_UIO_H_ 38 39 40 #if ! defined(_KERNEL) 41 #include <stdint.h> 42 #endif 43 #include <sys/types.h> 44 #include <sys/socket.h> 45 #include <netinet/in.h> 46 47 typedef uint32_t sctp_assoc_t; 48 49 #define SCTP_FUTURE_ASSOC 0 50 #define SCTP_CURRENT_ASSOC 1 51 #define SCTP_ALL_ASSOC 2 52 53 struct sctp_event { 54 sctp_assoc_t se_assoc_id; 55 uint16_t se_type; 56 uint8_t se_on; 57 }; 58 59 /* Compatibility to previous define's */ 60 #define sctp_stream_reset_events sctp_stream_reset_event 61 62 /* On/Off setup for subscription to events */ 63 struct sctp_event_subscribe { 64 uint8_t sctp_data_io_event; 65 uint8_t sctp_association_event; 66 uint8_t sctp_address_event; 67 uint8_t sctp_send_failure_event; 68 uint8_t sctp_peer_error_event; 69 uint8_t sctp_shutdown_event; 70 uint8_t sctp_partial_delivery_event; 71 uint8_t sctp_adaptation_layer_event; 72 uint8_t sctp_authentication_event; 73 uint8_t sctp_sender_dry_event; 74 uint8_t sctp_stream_reset_event; 75 }; 76 77 /* ancillary data types */ 78 #define SCTP_INIT 0x0001 79 #define SCTP_SNDRCV 0x0002 80 #define SCTP_EXTRCV 0x0003 81 #define SCTP_SNDINFO 0x0004 82 #define SCTP_RCVINFO 0x0005 83 #define SCTP_NXTINFO 0x0006 84 #define SCTP_PRINFO 0x0007 85 #define SCTP_AUTHINFO 0x0008 86 #define SCTP_DSTADDRV4 0x0009 87 #define SCTP_DSTADDRV6 0x000a 88 89 /* 90 * ancillary data structures 91 */ 92 struct sctp_initmsg { 93 uint16_t sinit_num_ostreams; 94 uint16_t sinit_max_instreams; 95 uint16_t sinit_max_attempts; 96 uint16_t sinit_max_init_timeo; 97 }; 98 99 /* We add 96 bytes to the size of sctp_sndrcvinfo. 100 * This makes the current structure 128 bytes long 101 * which is nicely 64 bit aligned but also has room 102 * for us to add more and keep ABI compatibility. 103 * For example, already we have the sctp_extrcvinfo 104 * when enabled which is 48 bytes. 105 */ 106 107 /* 108 * The assoc up needs a verfid 109 * all sendrcvinfo's need a verfid for SENDING only. 110 */ 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 PR-SCTP */ 264 #define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX 265 #define SCTP_PR_SCTP_ALL 0x000f/* Used for aggregated stats */ 266 267 #define PR_SCTP_POLICY(x) ((x) & 0x0f) 268 #define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \ 269 (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL)) 270 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) 271 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) 272 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) 273 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX) 274 #define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX) 275 276 /* Stat's */ 277 struct sctp_pcbinfo { 278 uint32_t ep_count; 279 uint32_t asoc_count; 280 uint32_t laddr_count; 281 uint32_t raddr_count; 282 uint32_t chk_count; 283 uint32_t readq_count; 284 uint32_t free_chunks; 285 uint32_t stream_oque; 286 }; 287 288 struct sctp_sockstat { 289 sctp_assoc_t ss_assoc_id; 290 uint32_t ss_total_sndbuf; 291 uint32_t ss_total_recv_buf; 292 }; 293 294 /* 295 * notification event structures 296 */ 297 298 /* 299 * association change event 300 */ 301 struct sctp_assoc_change { 302 uint16_t sac_type; 303 uint16_t sac_flags; 304 uint32_t sac_length; 305 uint16_t sac_state; 306 uint16_t sac_error; 307 uint16_t sac_outbound_streams; 308 uint16_t sac_inbound_streams; 309 sctp_assoc_t sac_assoc_id; 310 uint8_t sac_info[]; 311 }; 312 313 /* sac_state values */ 314 #define SCTP_COMM_UP 0x0001 315 #define SCTP_COMM_LOST 0x0002 316 #define SCTP_RESTART 0x0003 317 #define SCTP_SHUTDOWN_COMP 0x0004 318 #define SCTP_CANT_STR_ASSOC 0x0005 319 320 /* sac_info values */ 321 #define SCTP_ASSOC_SUPPORTS_PR 0x01 322 #define SCTP_ASSOC_SUPPORTS_AUTH 0x02 323 #define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 324 #define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 325 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 326 #define SCTP_ASSOC_SUPPORTS_INTERLEAVING 0x06 327 #define SCTP_ASSOC_SUPPORTS_MAX 0x06 328 /* 329 * Address event 330 */ 331 struct sctp_paddr_change { 332 uint16_t spc_type; 333 uint16_t spc_flags; 334 uint32_t spc_length; 335 struct sockaddr_storage spc_aaddr; 336 uint32_t spc_state; 337 uint32_t spc_error; 338 sctp_assoc_t spc_assoc_id; 339 }; 340 341 /* paddr state values */ 342 #define SCTP_ADDR_AVAILABLE 0x0001 343 #define SCTP_ADDR_UNREACHABLE 0x0002 344 #define SCTP_ADDR_REMOVED 0x0003 345 #define SCTP_ADDR_ADDED 0x0004 346 #define SCTP_ADDR_MADE_PRIM 0x0005 347 #define SCTP_ADDR_CONFIRMED 0x0006 348 349 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ 350 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor 351 * SCTP_ADDR_UNCONFIRMED */ 352 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ 353 354 /* remote error events */ 355 struct sctp_remote_error { 356 uint16_t sre_type; 357 uint16_t sre_flags; 358 uint32_t sre_length; 359 uint16_t sre_error; 360 sctp_assoc_t sre_assoc_id; 361 uint8_t sre_data[]; 362 }; 363 364 /* data send failure event (deprecated) */ 365 struct sctp_send_failed { 366 uint16_t ssf_type; 367 uint16_t ssf_flags; 368 uint32_t ssf_length; 369 uint32_t ssf_error; 370 struct sctp_sndrcvinfo ssf_info; 371 sctp_assoc_t ssf_assoc_id; 372 uint8_t ssf_data[]; 373 }; 374 375 /* data send failure event (not deprecated) */ 376 struct sctp_send_failed_event { 377 uint16_t ssfe_type; 378 uint16_t ssfe_flags; 379 uint32_t ssfe_length; 380 uint32_t ssfe_error; 381 struct sctp_sndinfo ssfe_info; 382 sctp_assoc_t ssfe_assoc_id; 383 uint8_t ssfe_data[]; 384 }; 385 386 /* flag that indicates state of data */ 387 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ 388 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */ 389 390 /* shutdown event */ 391 struct sctp_shutdown_event { 392 uint16_t sse_type; 393 uint16_t sse_flags; 394 uint32_t sse_length; 395 sctp_assoc_t sse_assoc_id; 396 }; 397 398 /* Adaptation layer indication stuff */ 399 struct sctp_adaptation_event { 400 uint16_t sai_type; 401 uint16_t sai_flags; 402 uint32_t sai_length; 403 uint32_t sai_adaptation_ind; 404 sctp_assoc_t sai_assoc_id; 405 }; 406 407 struct sctp_setadaptation { 408 uint32_t ssb_adaptation_ind; 409 }; 410 411 /* compatible old spelling */ 412 struct sctp_adaption_event { 413 uint16_t sai_type; 414 uint16_t sai_flags; 415 uint32_t sai_length; 416 uint32_t sai_adaption_ind; 417 sctp_assoc_t sai_assoc_id; 418 }; 419 420 struct sctp_setadaption { 421 uint32_t ssb_adaption_ind; 422 }; 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 /* 443 * authentication key event 444 */ 445 struct sctp_authkey_event { 446 uint16_t auth_type; 447 uint16_t auth_flags; 448 uint32_t auth_length; 449 uint16_t auth_keynumber; 450 uint16_t auth_altkeynumber; 451 uint32_t auth_indication; 452 sctp_assoc_t auth_assoc_id; 453 }; 454 455 /* indication values */ 456 #define SCTP_AUTH_NEW_KEY 0x0001 457 #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY 458 #define SCTP_AUTH_NO_AUTH 0x0002 459 #define SCTP_AUTH_FREE_KEY 0x0003 460 461 462 struct sctp_sender_dry_event { 463 uint16_t sender_dry_type; 464 uint16_t sender_dry_flags; 465 uint32_t sender_dry_length; 466 sctp_assoc_t sender_dry_assoc_id; 467 }; 468 469 470 /* 471 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT 472 */ 473 struct sctp_stream_reset_event { 474 uint16_t strreset_type; 475 uint16_t strreset_flags; 476 uint32_t strreset_length; 477 sctp_assoc_t strreset_assoc_id; 478 uint16_t strreset_stream_list[]; 479 }; 480 481 /* flags in stream_reset_event (strreset_flags) */ 482 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 483 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 484 #define SCTP_STREAM_RESET_DENIED 0x0004 485 #define SCTP_STREAM_RESET_FAILED 0x0008 486 487 /* 488 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT 489 */ 490 struct sctp_assoc_reset_event { 491 uint16_t assocreset_type; 492 uint16_t assocreset_flags; 493 uint32_t assocreset_length; 494 sctp_assoc_t assocreset_assoc_id; 495 uint32_t assocreset_local_tsn; 496 uint32_t assocreset_remote_tsn; 497 }; 498 499 #define SCTP_ASSOC_RESET_DENIED 0x0004 500 #define SCTP_ASSOC_RESET_FAILED 0x0008 501 502 /* 503 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT 504 */ 505 struct sctp_stream_change_event { 506 uint16_t strchange_type; 507 uint16_t strchange_flags; 508 uint32_t strchange_length; 509 sctp_assoc_t strchange_assoc_id; 510 uint16_t strchange_instrms; 511 uint16_t strchange_outstrms; 512 }; 513 514 #define SCTP_STREAM_CHANGE_DENIED 0x0004 515 #define SCTP_STREAM_CHANGE_FAILED 0x0008 516 517 518 /* SCTP notification event */ 519 struct sctp_tlv { 520 uint16_t sn_type; 521 uint16_t sn_flags; 522 uint32_t sn_length; 523 }; 524 525 union sctp_notification { 526 struct sctp_tlv sn_header; 527 struct sctp_assoc_change sn_assoc_change; 528 struct sctp_paddr_change sn_paddr_change; 529 struct sctp_remote_error sn_remote_error; 530 struct sctp_send_failed sn_send_failed; 531 struct sctp_shutdown_event sn_shutdown_event; 532 struct sctp_adaptation_event sn_adaptation_event; 533 /* compatibility same as above */ 534 struct sctp_adaption_event sn_adaption_event; 535 struct sctp_pdapi_event sn_pdapi_event; 536 struct sctp_authkey_event sn_auth_event; 537 struct sctp_sender_dry_event sn_sender_dry_event; 538 struct sctp_send_failed_event sn_send_failed_event; 539 struct sctp_stream_reset_event sn_strreset_event; 540 struct sctp_assoc_reset_event sn_assocreset_event; 541 struct sctp_stream_change_event sn_strchange_event; 542 }; 543 544 /* notification types */ 545 #define SCTP_ASSOC_CHANGE 0x0001 546 #define SCTP_PEER_ADDR_CHANGE 0x0002 547 #define SCTP_REMOTE_ERROR 0x0003 548 #define SCTP_SEND_FAILED 0x0004 549 #define SCTP_SHUTDOWN_EVENT 0x0005 550 #define SCTP_ADAPTATION_INDICATION 0x0006 551 /* same as above */ 552 #define SCTP_ADAPTION_INDICATION 0x0006 553 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 554 #define SCTP_AUTHENTICATION_EVENT 0x0008 555 #define SCTP_STREAM_RESET_EVENT 0x0009 556 #define SCTP_SENDER_DRY_EVENT 0x000a 557 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */ 558 #define SCTP_ASSOC_RESET_EVENT 0x000c 559 #define SCTP_STREAM_CHANGE_EVENT 0x000d 560 #define SCTP_SEND_FAILED_EVENT 0x000e 561 /* 562 * socket option structs 563 */ 564 565 struct sctp_paddrparams { 566 struct sockaddr_storage spp_address; 567 sctp_assoc_t spp_assoc_id; 568 uint32_t spp_hbinterval; 569 uint32_t spp_pathmtu; 570 uint32_t spp_flags; 571 uint32_t spp_ipv6_flowlabel; 572 uint16_t spp_pathmaxrxt; 573 uint8_t spp_dscp; 574 }; 575 #define spp_ipv4_tos spp_dscp 576 577 #define SPP_HB_ENABLE 0x00000001 578 #define SPP_HB_DISABLE 0x00000002 579 #define SPP_HB_DEMAND 0x00000004 580 #define SPP_PMTUD_ENABLE 0x00000008 581 #define SPP_PMTUD_DISABLE 0x00000010 582 #define SPP_HB_TIME_IS_ZERO 0x00000080 583 #define SPP_IPV6_FLOWLABEL 0x00000100 584 #define SPP_DSCP 0x00000200 585 #define SPP_IPV4_TOS SPP_DSCP 586 587 struct sctp_paddrthlds { 588 struct sockaddr_storage spt_address; 589 sctp_assoc_t spt_assoc_id; 590 uint16_t spt_pathmaxrxt; 591 uint16_t spt_pathpfthld; 592 uint16_t spt_pathcpthld; 593 }; 594 595 struct sctp_paddrinfo { 596 struct sockaddr_storage spinfo_address; 597 sctp_assoc_t spinfo_assoc_id; 598 int32_t spinfo_state; 599 uint32_t spinfo_cwnd; 600 uint32_t spinfo_srtt; 601 uint32_t spinfo_rto; 602 uint32_t spinfo_mtu; 603 }; 604 605 struct sctp_rtoinfo { 606 sctp_assoc_t srto_assoc_id; 607 uint32_t srto_initial; 608 uint32_t srto_max; 609 uint32_t srto_min; 610 }; 611 612 struct sctp_assocparams { 613 sctp_assoc_t sasoc_assoc_id; 614 uint32_t sasoc_peer_rwnd; 615 uint32_t sasoc_local_rwnd; 616 uint32_t sasoc_cookie_life; 617 uint16_t sasoc_asocmaxrxt; 618 uint16_t sasoc_number_peer_destinations; 619 }; 620 621 struct sctp_setprim { 622 struct sockaddr_storage ssp_addr; 623 sctp_assoc_t ssp_assoc_id; 624 uint8_t ssp_padding[4]; 625 }; 626 627 struct sctp_setpeerprim { 628 struct sockaddr_storage sspp_addr; 629 sctp_assoc_t sspp_assoc_id; 630 uint8_t sspp_padding[4]; 631 }; 632 633 struct sctp_getaddresses { 634 sctp_assoc_t sget_assoc_id; 635 /* addr is filled in for N * sockaddr_storage */ 636 struct sockaddr addr[1]; 637 }; 638 639 struct sctp_status { 640 sctp_assoc_t sstat_assoc_id; 641 int32_t sstat_state; 642 uint32_t sstat_rwnd; 643 uint16_t sstat_unackdata; 644 uint16_t sstat_penddata; 645 uint16_t sstat_instrms; 646 uint16_t sstat_outstrms; 647 uint32_t sstat_fragmentation_point; 648 struct sctp_paddrinfo sstat_primary; 649 }; 650 651 /* 652 * AUTHENTICATION support 653 */ 654 /* SCTP_AUTH_CHUNK */ 655 struct sctp_authchunk { 656 uint8_t sauth_chunk; 657 }; 658 659 /* SCTP_AUTH_KEY */ 660 struct sctp_authkey { 661 sctp_assoc_t sca_assoc_id; 662 uint16_t sca_keynumber; 663 uint16_t sca_keylength; 664 uint8_t sca_key[]; 665 }; 666 667 /* SCTP_HMAC_IDENT */ 668 struct sctp_hmacalgo { 669 uint32_t shmac_number_of_idents; 670 uint16_t shmac_idents[]; 671 }; 672 673 /* AUTH hmac_id */ 674 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 675 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ 676 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 677 678 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ 679 struct sctp_authkeyid { 680 sctp_assoc_t scact_assoc_id; 681 uint16_t scact_keynumber; 682 }; 683 684 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ 685 struct sctp_authchunks { 686 sctp_assoc_t gauth_assoc_id; 687 uint32_t gauth_number_of_chunks; 688 uint8_t gauth_chunks[]; 689 }; 690 691 struct sctp_assoc_value { 692 sctp_assoc_t assoc_id; 693 uint32_t assoc_value; 694 }; 695 696 struct sctp_cc_option { 697 int option; 698 struct sctp_assoc_value aid_value; 699 }; 700 701 struct sctp_stream_value { 702 sctp_assoc_t assoc_id; 703 uint16_t stream_id; 704 uint16_t stream_value; 705 }; 706 707 struct sctp_assoc_ids { 708 uint32_t gaids_number_of_ids; 709 sctp_assoc_t gaids_assoc_id[]; 710 }; 711 712 struct sctp_sack_info { 713 sctp_assoc_t sack_assoc_id; 714 uint32_t sack_delay; 715 uint32_t sack_freq; 716 }; 717 718 struct sctp_timeouts { 719 sctp_assoc_t stimo_assoc_id; 720 uint32_t stimo_init; 721 uint32_t stimo_data; 722 uint32_t stimo_sack; 723 uint32_t stimo_shutdown; 724 uint32_t stimo_heartbeat; 725 uint32_t stimo_cookie; 726 uint32_t stimo_shutdownack; 727 }; 728 729 struct sctp_udpencaps { 730 struct sockaddr_storage sue_address; 731 sctp_assoc_t sue_assoc_id; 732 uint16_t sue_port; 733 }; 734 735 struct sctp_prstatus { 736 sctp_assoc_t sprstat_assoc_id; 737 uint16_t sprstat_sid; 738 uint16_t sprstat_policy; 739 uint64_t sprstat_abandoned_unsent; 740 uint64_t sprstat_abandoned_sent; 741 }; 742 743 struct sctp_cwnd_args { 744 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ 745 uint32_t cwnd_new_value;/* cwnd in k */ 746 uint32_t pseudo_cumack; 747 uint16_t inflight; /* flightsize in k */ 748 uint16_t cwnd_augment; /* increment to it */ 749 uint8_t meets_pseudo_cumack; 750 uint8_t need_new_pseudo_cumack; 751 uint8_t cnt_in_send; 752 uint8_t cnt_in_str; 753 }; 754 755 struct sctp_blk_args { 756 uint32_t onsb; /* in 1k bytes */ 757 uint32_t sndlen; /* len of send being attempted */ 758 uint32_t peer_rwnd; /* rwnd of peer */ 759 uint16_t send_sent_qcnt;/* chnk cnt */ 760 uint16_t stream_qcnt; /* chnk cnt */ 761 uint16_t chunks_on_oque;/* chunks out */ 762 uint16_t flight_size; /* flight size in k */ 763 }; 764 765 /* 766 * Max we can reset in one setting, note this is dictated not by the define 767 * but the size of a mbuf cluster so don't change this define and think you 768 * can specify more. You must do multiple resets if you want to reset more 769 * than SCTP_MAX_EXPLICIT_STR_RESET. 770 */ 771 #define SCTP_MAX_EXPLICT_STR_RESET 1000 772 773 struct sctp_reset_streams { 774 sctp_assoc_t srs_assoc_id; 775 uint16_t srs_flags; 776 uint16_t srs_number_streams; /* 0 == ALL */ 777 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */ 778 }; 779 780 struct sctp_add_streams { 781 sctp_assoc_t sas_assoc_id; 782 uint16_t sas_instrms; 783 uint16_t sas_outstrms; 784 }; 785 786 struct sctp_get_nonce_values { 787 sctp_assoc_t gn_assoc_id; 788 uint32_t gn_peers_tag; 789 uint32_t gn_local_tag; 790 }; 791 792 /* Debugging logs */ 793 struct sctp_str_log { 794 void *stcb; /* FIXME: LP64 issue */ 795 uint32_t n_tsn; 796 uint32_t e_tsn; 797 uint16_t n_sseq; 798 uint16_t e_sseq; 799 uint16_t strm; 800 }; 801 802 struct sctp_sb_log { 803 void *stcb; /* FIXME: LP64 issue */ 804 uint32_t so_sbcc; 805 uint32_t stcb_sbcc; 806 uint32_t incr; 807 }; 808 809 struct sctp_fr_log { 810 uint32_t largest_tsn; 811 uint32_t largest_new_tsn; 812 uint32_t tsn; 813 }; 814 815 struct sctp_fr_map { 816 uint32_t base; 817 uint32_t cum; 818 uint32_t high; 819 }; 820 821 struct sctp_rwnd_log { 822 uint32_t rwnd; 823 uint32_t send_size; 824 uint32_t overhead; 825 uint32_t new_rwnd; 826 }; 827 828 struct sctp_mbcnt_log { 829 uint32_t total_queue_size; 830 uint32_t size_change; 831 uint32_t total_queue_mb_size; 832 uint32_t mbcnt_change; 833 }; 834 835 struct sctp_sack_log { 836 uint32_t cumack; 837 uint32_t oldcumack; 838 uint32_t tsn; 839 uint16_t numGaps; 840 uint16_t numDups; 841 }; 842 843 struct sctp_lock_log { 844 void *sock; /* FIXME: LP64 issue */ 845 void *inp; /* FIXME: LP64 issue */ 846 uint8_t tcb_lock; 847 uint8_t inp_lock; 848 uint8_t info_lock; 849 uint8_t sock_lock; 850 uint8_t sockrcvbuf_lock; 851 uint8_t socksndbuf_lock; 852 uint8_t create_lock; 853 uint8_t resv; 854 }; 855 856 struct sctp_rto_log { 857 void *net; /* FIXME: LP64 issue */ 858 uint32_t rtt; 859 }; 860 861 struct sctp_nagle_log { 862 void *stcb; /* FIXME: LP64 issue */ 863 uint32_t total_flight; 864 uint32_t total_in_queue; 865 uint16_t count_in_queue; 866 uint16_t count_in_flight; 867 }; 868 869 struct sctp_sbwake_log { 870 void *stcb; /* FIXME: LP64 issue */ 871 uint16_t send_q; 872 uint16_t sent_q; 873 uint16_t flight; 874 uint16_t wake_cnt; 875 uint8_t stream_qcnt; /* chnk cnt */ 876 uint8_t chunks_on_oque; /* chunks out */ 877 uint8_t sbflags; 878 uint8_t sctpflags; 879 }; 880 881 struct sctp_misc_info { 882 uint32_t log1; 883 uint32_t log2; 884 uint32_t log3; 885 uint32_t log4; 886 }; 887 888 struct sctp_log_closing { 889 void *inp; /* FIXME: LP64 issue */ 890 void *stcb; /* FIXME: LP64 issue */ 891 uint32_t sctp_flags; 892 uint16_t state; 893 int16_t loc; 894 }; 895 896 struct sctp_mbuf_log { 897 struct mbuf *mp; /* FIXME: LP64 issue */ 898 caddr_t ext; 899 caddr_t data; 900 uint16_t size; 901 uint8_t refcnt; 902 uint8_t mbuf_flags; 903 }; 904 905 struct sctp_cwnd_log { 906 uint64_t time_event; 907 uint8_t from; 908 uint8_t event_type; 909 uint8_t resv[2]; 910 union { 911 struct sctp_log_closing close; 912 struct sctp_blk_args blk; 913 struct sctp_cwnd_args cwnd; 914 struct sctp_str_log strlog; 915 struct sctp_fr_log fr; 916 struct sctp_fr_map map; 917 struct sctp_rwnd_log rwnd; 918 struct sctp_mbcnt_log mbcnt; 919 struct sctp_sack_log sack; 920 struct sctp_lock_log lock; 921 struct sctp_rto_log rto; 922 struct sctp_sb_log sb; 923 struct sctp_nagle_log nagle; 924 struct sctp_sbwake_log wake; 925 struct sctp_mbuf_log mb; 926 struct sctp_misc_info misc; 927 } x; 928 }; 929 930 struct sctp_cwnd_log_req { 931 int32_t num_in_log; /* Number in log */ 932 int32_t num_ret; /* Number returned */ 933 int32_t start_at; /* start at this one */ 934 int32_t end_at; /* end at this one */ 935 struct sctp_cwnd_log log[]; 936 }; 937 938 struct sctp_timeval { 939 uint32_t tv_sec; 940 uint32_t tv_usec; 941 }; 942 943 struct sctpstat { 944 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 945 * (TimeStamp) */ 946 /* MIB according to RFC 3873 */ 947 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ 948 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ 949 uint32_t sctps_restartestab; 950 uint32_t sctps_collisionestab; 951 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ 952 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ 953 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */ 954 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ 955 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ 956 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ 957 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ 958 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ 959 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ 960 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ 961 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ 962 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ 963 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ 964 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ 965 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ 966 967 /* input statistics: */ 968 uint32_t sctps_recvpackets; /* total input packets */ 969 uint32_t sctps_recvdatagrams; /* total input datagrams */ 970 uint32_t sctps_recvpktwithdata; /* total packets that had data */ 971 uint32_t sctps_recvsacks; /* total input SACK chunks */ 972 uint32_t sctps_recvdata;/* total input DATA chunks */ 973 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ 974 uint32_t sctps_recvheartbeat; /* total input HB chunks */ 975 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ 976 uint32_t sctps_recvecne;/* total input ECNE chunks */ 977 uint32_t sctps_recvauth;/* total input AUTH chunks */ 978 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ 979 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids 980 * received */ 981 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids 982 * received */ 983 uint32_t sctps_recvauthfailed; /* total number of auth failed */ 984 uint32_t sctps_recvexpress; /* total fast path receives all one 985 * chunk */ 986 uint32_t sctps_recvexpressm; /* total fast path multi-part data */ 987 uint32_t sctps_recvnocrc; 988 uint32_t sctps_recvswcrc; 989 uint32_t sctps_recvhwcrc; 990 991 /* output statistics: */ 992 uint32_t sctps_sendpackets; /* total output packets */ 993 uint32_t sctps_sendsacks; /* total output SACKs */ 994 uint32_t sctps_senddata;/* total output DATA chunks */ 995 uint32_t sctps_sendretransdata; /* total output retransmitted DATA 996 * chunks */ 997 uint32_t sctps_sendfastretrans; /* total output fast retransmitted 998 * DATA chunks */ 999 uint32_t sctps_sendmultfastretrans; /* total FR's that happened 1000 * more than once to same 1001 * chunk (u-del multi-fr 1002 * algo). */ 1003 uint32_t sctps_sendheartbeat; /* total output HB chunks */ 1004 uint32_t sctps_sendecne;/* total output ECNE chunks */ 1005 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */ 1006 uint32_t sctps_senderrors; /* ip_output error counter */ 1007 uint32_t sctps_sendnocrc; 1008 uint32_t sctps_sendswcrc; 1009 uint32_t sctps_sendhwcrc; 1010 /* PCKDROPREP statistics: */ 1011 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ 1012 uint32_t sctps_pdrpfehos; /* P-drop from end host */ 1013 uint32_t sctps_pdrpmbda;/* P-drops with data */ 1014 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */ 1015 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep 1016 * only */ 1017 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ 1018 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ 1019 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop 1020 * said break */ 1021 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ 1022 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ 1023 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ 1024 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ 1025 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */ 1026 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */ 1027 /* timeouts */ 1028 uint32_t sctps_timoiterator; /* Number of iterator timers that 1029 * fired */ 1030 uint32_t sctps_timodata;/* Number of T3 data time outs */ 1031 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers 1032 * that fired */ 1033 uint32_t sctps_timoinit;/* Number of INIT timers that fired */ 1034 uint32_t sctps_timosack;/* Number of sack timers that fired */ 1035 uint32_t sctps_timoshutdown; /* Number of shutdown timers that 1036 * fired */ 1037 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that 1038 * fired */ 1039 uint32_t sctps_timocookie; /* Number of times a cookie timeout 1040 * fired */ 1041 uint32_t sctps_timosecret; /* Number of times an endpoint changed 1042 * its cookie secret */ 1043 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ 1044 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that 1045 * fired */ 1046 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard 1047 * timers that fired */ 1048 uint32_t sctps_timostrmrst; /* Number of stream reset timers that 1049 * fired */ 1050 uint32_t sctps_timoearlyfr; /* Number of early FR timers that 1051 * fired */ 1052 uint32_t sctps_timoasconf; /* Number of times an asconf timer 1053 * fired */ 1054 uint32_t sctps_timodelprim; /* Number of times a prim_deleted 1055 * timer fired */ 1056 uint32_t sctps_timoautoclose; /* Number of times auto close timer 1057 * fired */ 1058 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ 1059 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ 1060 /* former early FR counters */ 1061 uint32_t sctps_spare[11]; 1062 /* others */ 1063 uint32_t sctps_hdrops; /* packet shorter than header */ 1064 uint32_t sctps_badsum; /* checksum error */ 1065 uint32_t sctps_noport; /* no endpoint for port */ 1066 uint32_t sctps_badvtag; /* bad v-tag */ 1067 uint32_t sctps_badsid; /* bad SID */ 1068 uint32_t sctps_nomem; /* no memory */ 1069 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a 1070 * RTT window */ 1071 uint32_t sctps_markedretrans; 1072 uint32_t sctps_naglesent; /* nagle allowed sending */ 1073 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ 1074 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ 1075 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in 1076 * interface ring buffer OR we had a 1077 * send error and are queuing one 1078 * send. */ 1079 uint32_t sctps_windowprobed; /* total number of window probes sent */ 1080 uint32_t sctps_lowlevelerr; /* total times an output error causes 1081 * us to clamp down on next user send. */ 1082 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were 1083 * caused from a user send from a user 1084 * invoked send not a sack response */ 1085 uint32_t sctps_datadropchklmt; /* Number of in data drops due to 1086 * chunk limit reached */ 1087 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd 1088 * limit reached */ 1089 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the 1090 * cwnd */ 1091 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ 1092 uint32_t sctps_vtagbogus; /* Collision in express lookup. */ 1093 uint32_t sctps_primary_randry; /* Number of times the sender ran dry 1094 * of user data on primary */ 1095 uint32_t sctps_cmt_randry; /* Same for above */ 1096 uint32_t sctps_slowpath_sack; /* Sacks the slow way */ 1097 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ 1098 uint32_t sctps_sends_with_flags; /* number of sends with 1099 * sinfo_flags !=0 */ 1100 uint32_t sctps_sends_with_unord; /* number of unordered sends */ 1101 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ 1102 uint32_t sctps_sends_with_abort; /* number of sends with ABORT 1103 * flag set */ 1104 uint32_t sctps_protocol_drain_calls; /* number of times protocol 1105 * drain called */ 1106 uint32_t sctps_protocol_drains_done; /* number of times we did a 1107 * protocol drain */ 1108 uint32_t sctps_read_peeks; /* Number of times recv was called 1109 * with peek */ 1110 uint32_t sctps_cached_chk; /* Number of cached chunks used */ 1111 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ 1112 uint32_t sctps_left_abandon; /* Number of unread messages abandoned 1113 * by close */ 1114 uint32_t sctps_send_burst_avoid; /* Unused */ 1115 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already 1116 * max burst inflight to net */ 1117 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via 1118 * fwd-tsn's */ 1119 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or 1120 * updated an ECN chunk on send queue */ 1121 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's 1122 * from here when adding new */ 1123 }; 1124 1125 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) 1126 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) 1127 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1128 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) 1129 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) 1130 #else 1131 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) 1132 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) 1133 #endif 1134 /* The following macros are for handling MIB values, */ 1135 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) 1136 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) 1137 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) 1138 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) 1139 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) 1140 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) 1141 1142 union sctp_sockstore { 1143 struct sockaddr_in sin; 1144 struct sockaddr_in6 sin6; 1145 struct sockaddr sa; 1146 }; 1147 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 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 void *socket; 1177 uint32_t qlen; 1178 uint32_t maxqlen; 1179 #if defined(__LP64__) 1180 uint32_t extra_padding[27]; /* future */ 1181 #else 1182 uint32_t extra_padding[28]; /* future */ 1183 #endif 1184 }; 1185 1186 struct xsctp_tcb { 1187 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ 1188 uint32_t last; 1189 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ 1190 uint32_t state; /* sctpAssocEntry 8 */ 1191 uint32_t in_streams; /* sctpAssocEntry 9 */ 1192 uint32_t out_streams; /* sctpAssocEntry 10 */ 1193 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */ 1194 uint32_t primary_process; /* sctpAssocEntry 12 */ 1195 uint32_t T1_expireries; /* sctpAssocEntry 13 */ 1196 uint32_t T2_expireries; /* sctpAssocEntry 14 */ 1197 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ 1198 uint32_t total_sends; 1199 uint32_t total_recvs; 1200 uint32_t local_tag; 1201 uint32_t remote_tag; 1202 uint32_t initial_tsn; 1203 uint32_t highest_tsn; 1204 uint32_t cumulative_tsn; 1205 uint32_t cumulative_tsn_ack; 1206 uint32_t mtu; 1207 uint32_t refcnt; 1208 uint16_t local_port; /* sctpAssocEntry 3 */ 1209 uint16_t remote_port; /* sctpAssocEntry 4 */ 1210 struct sctp_timeval start_time; /* sctpAssocEntry 16 */ 1211 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ 1212 uint32_t peers_rwnd; 1213 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ 1214 uint32_t extra_padding[32]; /* future */ 1215 }; 1216 1217 struct xsctp_laddr { 1218 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ 1219 uint32_t last; 1220 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ 1221 uint32_t extra_padding[32]; /* future */ 1222 }; 1223 1224 struct xsctp_raddr { 1225 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ 1226 uint32_t last; 1227 uint32_t rto; /* sctpAssocLocalRemEntry 5 */ 1228 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ 1229 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ 1230 uint32_t error_counter; /* */ 1231 uint32_t cwnd; /* */ 1232 uint32_t flight_size; /* */ 1233 uint32_t mtu; /* */ 1234 uint8_t active; /* sctpAssocLocalRemEntry 3 */ 1235 uint8_t confirmed; /* */ 1236 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ 1237 uint8_t potentially_failed; 1238 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ 1239 uint32_t rtt; 1240 uint32_t heartbeat_interval; 1241 uint32_t ssthresh; 1242 uint32_t extra_padding[30]; /* future */ 1243 }; 1244 1245 #define SCTP_MAX_LOGGING_SIZE 30000 1246 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ 1247 1248 struct sctp_log_entry { 1249 uint64_t timestamp; 1250 uint32_t subsys; 1251 uint32_t padding; 1252 uint32_t params[SCTP_TRACE_PARAMS]; 1253 }; 1254 1255 struct sctp_log { 1256 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; 1257 uint32_t index; 1258 uint32_t padding; 1259 }; 1260 1261 /* 1262 * Kernel defined for sctp_send 1263 */ 1264 #if defined(_KERNEL) || defined(__Userspace__) 1265 int 1266 sctp_lower_sosend(struct socket *so, 1267 struct sockaddr *addr, 1268 struct uio *uio, 1269 struct mbuf *i_pak, 1270 struct mbuf *control, 1271 int flags, 1272 struct sctp_sndrcvinfo *srcv 1273 ,struct thread *p 1274 ); 1275 1276 int 1277 sctp_sorecvmsg(struct socket *so, 1278 struct uio *uio, 1279 struct mbuf **mp, 1280 struct sockaddr *from, 1281 int fromlen, 1282 int *msg_flags, 1283 struct sctp_sndrcvinfo *sinfo, 1284 int filling_sinfo); 1285 #endif 1286 1287 /* 1288 * API system calls 1289 */ 1290 #if !(defined(_KERNEL)) && !(defined(__Userspace__)) 1291 1292 __BEGIN_DECLS 1293 int sctp_peeloff(int, sctp_assoc_t); 1294 int sctp_bindx(int, struct sockaddr *, int, int); 1295 int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *); 1296 int sctp_getaddrlen(sa_family_t); 1297 int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **); 1298 void sctp_freepaddrs(struct sockaddr *); 1299 int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **); 1300 void sctp_freeladdrs(struct sockaddr *); 1301 int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *); 1302 1303 /* deprecated */ 1304 ssize_t 1305 sctp_sendmsg(int, const void *, size_t, const struct sockaddr *, 1306 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1307 1308 /* deprecated */ 1309 ssize_t 1310 sctp_send(int, const void *, size_t, 1311 const struct sctp_sndrcvinfo *, int); 1312 1313 /* deprecated */ 1314 ssize_t 1315 sctp_sendx(int, const void *, size_t, struct sockaddr *, 1316 int, struct sctp_sndrcvinfo *, int); 1317 1318 /* deprecated */ 1319 ssize_t 1320 sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *, 1321 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); 1322 1323 sctp_assoc_t sctp_getassocid(int, struct sockaddr *); 1324 1325 /* deprecated */ 1326 ssize_t 1327 sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *, 1328 struct sctp_sndrcvinfo *, int *); 1329 1330 ssize_t 1331 sctp_sendv(int, const struct iovec *, int, struct sockaddr *, 1332 int, void *, socklen_t, unsigned int, int); 1333 1334 ssize_t 1335 sctp_recvv(int, const struct iovec *, int, struct sockaddr *, 1336 socklen_t *, void *, socklen_t *, unsigned int *, int *); 1337 1338 __END_DECLS 1339 1340 #endif /* !_KERNEL */ 1341 #endif /* !__sctp_uio_h__ */ 1342