sctp.h (24495B)
1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, 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_H_ 36 #define _NETINET_SCTP_H_ 37 38 #if defined(__APPLE__) || defined(__linux__) 39 #include <stdint.h> 40 #endif 41 #if defined(__FreeBSD__) && !defined(__Userspace__) 42 #include <sys/cdefs.h> 43 #endif 44 #include <sys/types.h> 45 46 #if !defined(_WIN32) 47 #define SCTP_PACKED __attribute__((packed)) 48 #else 49 #pragma pack (push, 1) 50 #define SCTP_PACKED 51 #endif 52 53 /* 54 * SCTP protocol - RFC4960. 55 */ 56 struct sctphdr { 57 uint16_t src_port; /* source port */ 58 uint16_t dest_port; /* destination port */ 59 uint32_t v_tag; /* verification tag of packet */ 60 uint32_t checksum; /* CRC32C checksum */ 61 /* chunks follow... */ 62 } SCTP_PACKED; 63 64 /* 65 * SCTP Chunks 66 */ 67 struct sctp_chunkhdr { 68 uint8_t chunk_type; /* chunk type */ 69 uint8_t chunk_flags; /* chunk flags */ 70 uint16_t chunk_length; /* chunk length */ 71 /* optional params follow */ 72 } SCTP_PACKED; 73 74 /* 75 * SCTP chunk parameters 76 */ 77 struct sctp_paramhdr { 78 uint16_t param_type; /* parameter type */ 79 uint16_t param_length; /* parameter length */ 80 } SCTP_PACKED; 81 82 /* 83 * user socket options: socket API defined 84 */ 85 /* 86 * read-write options 87 */ 88 #define SCTP_RTOINFO 0x00000001 89 #define SCTP_ASSOCINFO 0x00000002 90 #define SCTP_INITMSG 0x00000003 91 #define SCTP_NODELAY 0x00000004 92 #define SCTP_AUTOCLOSE 0x00000005 93 #define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006 94 #define SCTP_PRIMARY_ADDR 0x00000007 95 #define SCTP_ADAPTATION_LAYER 0x00000008 96 /* same as above */ 97 #define SCTP_ADAPTION_LAYER 0x00000008 98 #define SCTP_DISABLE_FRAGMENTS 0x00000009 99 #define SCTP_PEER_ADDR_PARAMS 0x0000000a 100 #define SCTP_DEFAULT_SEND_PARAM 0x0000000b 101 /* ancillary data/notification interest options */ 102 #define SCTP_EVENTS 0x0000000c /* deprecated */ 103 /* Without this applied we will give V4 and V6 addresses on a V6 socket */ 104 #define SCTP_I_WANT_MAPPED_V4_ADDR 0x0000000d 105 #define SCTP_MAXSEG 0x0000000e 106 #define SCTP_DELAYED_SACK 0x0000000f 107 #define SCTP_FRAGMENT_INTERLEAVE 0x00000010 108 #define SCTP_PARTIAL_DELIVERY_POINT 0x00000011 109 /* authentication support */ 110 #define SCTP_AUTH_CHUNK 0x00000012 111 #define SCTP_AUTH_KEY 0x00000013 112 #define SCTP_HMAC_IDENT 0x00000014 113 #define SCTP_AUTH_ACTIVE_KEY 0x00000015 114 #define SCTP_AUTH_DELETE_KEY 0x00000016 115 #define SCTP_USE_EXT_RCVINFO 0x00000017 116 #define SCTP_AUTO_ASCONF 0x00000018 /* rw */ 117 #define SCTP_MAXBURST 0x00000019 /* rw */ 118 #define SCTP_MAX_BURST 0x00000019 /* rw */ 119 /* assoc level context */ 120 #define SCTP_CONTEXT 0x0000001a /* rw */ 121 /* explicit EOR signalling */ 122 #define SCTP_EXPLICIT_EOR 0x0000001b 123 #define SCTP_REUSE_PORT 0x0000001c /* rw */ 124 #define SCTP_AUTH_DEACTIVATE_KEY 0x0000001d 125 #define SCTP_EVENT 0x0000001e 126 #define SCTP_RECVRCVINFO 0x0000001f 127 #define SCTP_RECVNXTINFO 0x00000020 128 #define SCTP_DEFAULT_SNDINFO 0x00000021 129 #define SCTP_DEFAULT_PRINFO 0x00000022 130 #define SCTP_PEER_ADDR_THLDS 0x00000023 131 #define SCTP_REMOTE_UDP_ENCAPS_PORT 0x00000024 132 #define SCTP_ECN_SUPPORTED 0x00000025 133 #define SCTP_PR_SUPPORTED 0x00000026 134 #define SCTP_AUTH_SUPPORTED 0x00000027 135 #define SCTP_ASCONF_SUPPORTED 0x00000028 136 #define SCTP_RECONFIG_SUPPORTED 0x00000029 137 #define SCTP_NRSACK_SUPPORTED 0x00000030 138 #define SCTP_PKTDROP_SUPPORTED 0x00000031 139 #define SCTP_MAX_CWND 0x00000032 140 #define SCTP_ACCEPT_ZERO_CHECKSUM 0x00000033 141 142 /* 143 * read-only options 144 */ 145 #define SCTP_STATUS 0x00000100 146 #define SCTP_GET_PEER_ADDR_INFO 0x00000101 147 /* authentication support */ 148 #define SCTP_PEER_AUTH_CHUNKS 0x00000102 149 #define SCTP_LOCAL_AUTH_CHUNKS 0x00000103 150 #define SCTP_GET_ASSOC_NUMBER 0x00000104 /* ro */ 151 #define SCTP_GET_ASSOC_ID_LIST 0x00000105 /* ro */ 152 #define SCTP_TIMEOUTS 0x00000106 153 #define SCTP_PR_STREAM_STATUS 0x00000107 154 #define SCTP_PR_ASSOC_STATUS 0x00000108 155 156 /* 157 * user socket options: BSD implementation specific 158 */ 159 /* 160 * Blocking I/O is enabled on any TCP type socket by default. For the UDP 161 * model if this is turned on then the socket buffer is shared for send 162 * resources amongst all associations. The default for the UDP model is that 163 * is SS_NBIO is set. Which means all associations have a separate send 164 * limit BUT they will NOT ever BLOCK instead you will get an error back 165 * EAGAIN if you try to send too much. If you want the blocking semantics you 166 * set this option at the cost of sharing one socket send buffer size amongst 167 * all associations. Peeled off sockets turn this option off and block. But 168 * since both TCP and peeled off sockets have only one assoc per socket this 169 * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP 170 * model OR peeled off UDP model, but we do allow you to do so. You just use 171 * the normal syscall to toggle SS_NBIO the way you want. 172 * 173 * Blocking I/O is controlled by the SS_NBIO flag on the socket state so_state 174 * field. 175 */ 176 177 #define SCTP_ENABLE_STREAM_RESET 0x00000900 /* struct sctp_assoc_value */ 178 #define SCTP_RESET_STREAMS 0x00000901 /* struct sctp_reset_streams */ 179 #define SCTP_RESET_ASSOC 0x00000902 /* sctp_assoc_t */ 180 #define SCTP_ADD_STREAMS 0x00000903 /* struct sctp_add_streams */ 181 182 /* For enable stream reset */ 183 #define SCTP_ENABLE_RESET_STREAM_REQ 0x00000001 184 #define SCTP_ENABLE_RESET_ASSOC_REQ 0x00000002 185 #define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x00000004 186 #define SCTP_ENABLE_VALUE_MASK 0x00000007 187 /* For reset streams */ 188 #define SCTP_STREAM_RESET_INCOMING 0x00000001 189 #define SCTP_STREAM_RESET_OUTGOING 0x00000002 190 191 /* here on down are more implementation specific */ 192 #define SCTP_SET_DEBUG_LEVEL 0x00001005 193 #define SCTP_CLR_STAT_LOG 0x00001007 194 /* CMT ON/OFF socket option */ 195 #define SCTP_CMT_ON_OFF 0x00001200 196 #define SCTP_CMT_USE_DAC 0x00001201 197 /* JRS - Pluggable Congestion Control Socket option */ 198 #define SCTP_PLUGGABLE_CC 0x00001202 199 /* RS - Pluggable Stream Scheduling Socket option */ 200 #define SCTP_STREAM_SCHEDULER 0x00001203 201 #define SCTP_STREAM_SCHEDULER_VALUE 0x00001204 202 /* The next two are for backwards compatibility. */ 203 #define SCTP_PLUGGABLE_SS SCTP_STREAM_SCHEDULER 204 #define SCTP_SS_VALUE SCTP_STREAM_SCHEDULER_VALUE 205 #define SCTP_CC_OPTION 0x00001205 /* Options for CC modules */ 206 /* For I-DATA */ 207 #define SCTP_INTERLEAVING_SUPPORTED 0x00001206 208 209 /* read only */ 210 #define SCTP_GET_SNDBUF_USE 0x00001101 211 #define SCTP_GET_STAT_LOG 0x00001103 212 #define SCTP_PCB_STATUS 0x00001104 213 #define SCTP_GET_NONCE_VALUES 0x00001105 214 215 /* Special hook for dynamically setting primary for all assoc's, 216 * this is a write only option that requires root privilege. 217 */ 218 #define SCTP_SET_DYNAMIC_PRIMARY 0x00002001 219 220 /* VRF (virtual router feature) and multi-VRF support 221 * options. VRF's provide splits within a router 222 * that give the views of multiple routers. A 223 * standard host, without VRF support, is just 224 * a single VRF. If VRF's are supported then 225 * the transport must be VRF aware. This means 226 * that every socket call coming in must be directed 227 * within the endpoint to one of the VRF's it belongs 228 * to. The endpoint, before binding, may select 229 * the "default" VRF it is in by using a set socket 230 * option with SCTP_VRF_ID. This will also 231 * get propagated to the default VRF. Once the 232 * endpoint binds an address then it CANNOT add 233 * additional VRF's to become a Multi-VRF endpoint. 234 * 235 * Before BINDING additional VRF's can be added with 236 * the SCTP_ADD_VRF_ID call or deleted with 237 * SCTP_DEL_VRF_ID. 238 * 239 * Associations are ALWAYS contained inside a single 240 * VRF. They cannot reside in two (or more) VRF's. Incoming 241 * packets, assuming the router is VRF aware, can always 242 * tell us what VRF they arrived on. A host not supporting 243 * any VRF's will find that the packets always arrived on the 244 * single VRF that the host has. 245 * 246 */ 247 248 #define SCTP_VRF_ID 0x00003001 249 #define SCTP_ADD_VRF_ID 0x00003002 250 #define SCTP_GET_VRF_IDS 0x00003003 251 #define SCTP_GET_ASOC_VRF 0x00003004 252 #define SCTP_DEL_VRF_ID 0x00003005 253 254 /* 255 * If you enable packet logging you can get 256 * a poor mans ethereal output in binary 257 * form. Note this is a compile option to 258 * the kernel, SCTP_PACKET_LOGGING, and 259 * without it in your kernel you 260 * will get a EOPNOTSUPP 261 */ 262 #define SCTP_GET_PACKET_LOG 0x00004001 263 264 /* 265 * hidden implementation specific options these are NOT user visible (should 266 * move out of sctp.h) 267 */ 268 /* sctp_bindx() flags as hidden socket options */ 269 #define SCTP_BINDX_ADD_ADDR 0x00008001 270 #define SCTP_BINDX_REM_ADDR 0x00008002 271 /* Hidden socket option that gets the addresses */ 272 #define SCTP_GET_PEER_ADDRESSES 0x00008003 273 #define SCTP_GET_LOCAL_ADDRESSES 0x00008004 274 /* return the total count in bytes needed to hold all local addresses bound */ 275 #define SCTP_GET_LOCAL_ADDR_SIZE 0x00008005 276 /* Return the total count in bytes needed to hold the remote address */ 277 #define SCTP_GET_REMOTE_ADDR_SIZE 0x00008006 278 /* hidden option for connectx */ 279 #define SCTP_CONNECT_X 0x00008007 280 /* hidden option for connectx_delayed, part of sendx */ 281 #define SCTP_CONNECT_X_DELAYED 0x00008008 282 #define SCTP_CONNECT_X_COMPLETE 0x00008009 283 /* hidden socket option based sctp_peeloff */ 284 #define SCTP_PEELOFF 0x0000800a 285 /* the real worker for sctp_getaddrlen() */ 286 #define SCTP_GET_ADDR_LEN 0x0000800b 287 #if defined(__APPLE__) && !defined(__Userspace__) 288 /* temporary workaround for Apple listen() issue, no args used */ 289 #define SCTP_LISTEN_FIX 0x0000800c 290 #endif 291 #if defined(_WIN32) && !defined(__Userspace__) 292 /* workaround for Cygwin on Windows: returns the SOCKET handle */ 293 #define SCTP_GET_HANDLE 0x0000800d 294 #endif 295 /* Debug things that need to be purged */ 296 #define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00 297 298 /* JRS - Supported congestion control modules for pluggable 299 * congestion control 300 */ 301 /* Standard TCP Congestion Control */ 302 #define SCTP_CC_RFC2581 0x00000000 303 /* High Speed TCP Congestion Control (Floyd) */ 304 #define SCTP_CC_HSTCP 0x00000001 305 /* HTCP Congestion Control */ 306 #define SCTP_CC_HTCP 0x00000002 307 /* RTCC Congestion Control - RFC2581 plus */ 308 #define SCTP_CC_RTCC 0x00000003 309 310 #define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 311 #define SCTP_CC_OPT_USE_DCCC_ECN 0x00002001 312 #define SCTP_CC_OPT_STEADY_STEP 0x00002002 313 314 #define SCTP_CMT_OFF 0 315 #define SCTP_CMT_BASE 1 316 #define SCTP_CMT_RPV1 2 317 #define SCTP_CMT_RPV2 3 318 #define SCTP_CMT_MPTCP 4 319 #define SCTP_CMT_MAX SCTP_CMT_MPTCP 320 321 /* RS - Supported stream scheduling modules for pluggable 322 * stream scheduling 323 */ 324 /* Default simple round-robin */ 325 #define SCTP_SS_DEFAULT 0x00000000 326 /* Real round-robin */ 327 #define SCTP_SS_RR 0x00000001 328 /* Real round-robin per packet */ 329 #define SCTP_SS_RR_PKT 0x00000002 330 /* Priority */ 331 #define SCTP_SS_PRIO 0x00000003 332 /* Fair Bandwidth */ 333 #define SCTP_SS_FB 0x00000004 334 /* First-come, first-serve */ 335 #define SCTP_SS_FCFS 0x00000005 336 /* The next five are for backwards compatibility. */ 337 #define SCTP_SS_ROUND_ROBIN SCTP_SS_RR 338 #define SCTP_SS_ROUND_ROBIN_PACKET SCTP_SS_RR_PKT 339 #define SCTP_SS_PRIORITY SCTP_SS_PRIO 340 #define SCTP_SS_FAIR_BANDWITH SCTP_SS_FB 341 #define SCTP_SS_FIRST_COME SCTP_SS_FCFS 342 343 /* fragment interleave constants 344 * setting must be one of these or 345 * EINVAL returned. 346 */ 347 #define SCTP_FRAG_LEVEL_0 0x00000000 348 #define SCTP_FRAG_LEVEL_1 0x00000001 349 #define SCTP_FRAG_LEVEL_2 0x00000002 350 351 /* 352 * user state values 353 */ 354 #define SCTP_CLOSED 0x0000 355 #define SCTP_BOUND 0x1000 356 #define SCTP_LISTEN 0x2000 357 #define SCTP_COOKIE_WAIT 0x0002 358 #define SCTP_COOKIE_ECHOED 0x0004 359 #define SCTP_ESTABLISHED 0x0008 360 #define SCTP_SHUTDOWN_SENT 0x0010 361 #define SCTP_SHUTDOWN_RECEIVED 0x0020 362 #define SCTP_SHUTDOWN_ACK_SENT 0x0040 363 #define SCTP_SHUTDOWN_PENDING 0x0080 364 365 /* 366 * SCTP operational error codes (user visible) 367 */ 368 #define SCTP_CAUSE_NO_ERROR 0x0000 369 #define SCTP_CAUSE_INVALID_STREAM 0x0001 370 #define SCTP_CAUSE_MISSING_PARAM 0x0002 371 #define SCTP_CAUSE_STALE_COOKIE 0x0003 372 #define SCTP_CAUSE_OUT_OF_RESC 0x0004 373 #define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005 374 #define SCTP_CAUSE_UNRECOG_CHUNK 0x0006 375 #define SCTP_CAUSE_INVALID_PARAM 0x0007 376 #define SCTP_CAUSE_UNRECOG_PARAM 0x0008 377 #define SCTP_CAUSE_NO_USER_DATA 0x0009 378 #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a 379 #define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b 380 #define SCTP_CAUSE_USER_INITIATED_ABT 0x000c 381 #define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d 382 383 /* Error causes from RFC5061 */ 384 #define SCTP_CAUSE_DELETING_LAST_ADDR 0x00a0 385 #define SCTP_CAUSE_RESOURCE_SHORTAGE 0x00a1 386 #define SCTP_CAUSE_DELETING_SRC_ADDR 0x00a2 387 #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x00a3 388 #define SCTP_CAUSE_REQUEST_REFUSED 0x00a4 389 390 /* Error causes from nat-draft */ 391 #define SCTP_CAUSE_NAT_COLLIDING_STATE 0x00b0 392 #define SCTP_CAUSE_NAT_MISSING_STATE 0x00b1 393 394 /* Error causes from RFC4895 */ 395 #define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105 396 397 /* 398 * error cause parameters (user visible) 399 */ 400 struct sctp_gen_error_cause { 401 uint16_t code; 402 uint16_t length; 403 uint8_t info[]; 404 } SCTP_PACKED; 405 406 struct sctp_error_cause { 407 uint16_t code; 408 uint16_t length; 409 /* optional cause-specific info may follow */ 410 } SCTP_PACKED; 411 412 struct sctp_error_invalid_stream { 413 struct sctp_error_cause cause; /* code=SCTP_CAUSE_INVALID_STREAM */ 414 uint16_t stream_id; /* stream id of the DATA in error */ 415 uint16_t reserved; 416 } SCTP_PACKED; 417 418 struct sctp_error_missing_param { 419 struct sctp_error_cause cause; /* code=SCTP_CAUSE_MISSING_PARAM */ 420 uint32_t num_missing_params; /* number of missing parameters */ 421 uint16_t type[]; 422 } SCTP_PACKED; 423 424 struct sctp_error_stale_cookie { 425 struct sctp_error_cause cause; /* code=SCTP_CAUSE_STALE_COOKIE */ 426 uint32_t stale_time; /* time in usec of staleness */ 427 } SCTP_PACKED; 428 429 struct sctp_error_out_of_resource { 430 struct sctp_error_cause cause; /* code=SCTP_CAUSE_OUT_OF_RESOURCES */ 431 } SCTP_PACKED; 432 433 struct sctp_error_unresolv_addr { 434 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNRESOLVABLE_ADDR */ 435 } SCTP_PACKED; 436 437 struct sctp_error_unrecognized_chunk { 438 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNRECOG_CHUNK */ 439 struct sctp_chunkhdr ch;/* header from chunk in error */ 440 } SCTP_PACKED; 441 442 struct sctp_error_no_user_data { 443 struct sctp_error_cause cause; /* code=SCTP_CAUSE_NO_USER_DATA */ 444 uint32_t tsn; /* TSN of the empty data chunk */ 445 } SCTP_PACKED; 446 447 struct sctp_error_auth_invalid_hmac { 448 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNSUPPORTED_HMACID */ 449 uint16_t hmac_id; 450 } SCTP_PACKED; 451 452 /* 453 * Main SCTP chunk types we place these here so natd and f/w's in user land 454 * can find them. 455 */ 456 /************0x00 series ***********/ 457 #define SCTP_DATA 0x00 458 #define SCTP_INITIATION 0x01 459 #define SCTP_INITIATION_ACK 0x02 460 #define SCTP_SELECTIVE_ACK 0x03 461 #define SCTP_HEARTBEAT_REQUEST 0x04 462 #define SCTP_HEARTBEAT_ACK 0x05 463 #define SCTP_ABORT_ASSOCIATION 0x06 464 #define SCTP_SHUTDOWN 0x07 465 #define SCTP_SHUTDOWN_ACK 0x08 466 #define SCTP_OPERATION_ERROR 0x09 467 #define SCTP_COOKIE_ECHO 0x0a 468 #define SCTP_COOKIE_ACK 0x0b 469 #define SCTP_ECN_ECHO 0x0c 470 #define SCTP_ECN_CWR 0x0d 471 #define SCTP_SHUTDOWN_COMPLETE 0x0e 472 /* RFC4895 */ 473 #define SCTP_AUTHENTICATION 0x0f 474 /* EY nr_sack chunk id*/ 475 #define SCTP_NR_SELECTIVE_ACK 0x10 476 /************0x40 series ***********/ 477 #define SCTP_IDATA 0x40 478 /************0x80 series ***********/ 479 /* RFC5061 */ 480 #define SCTP_ASCONF_ACK 0x80 481 /* draft-ietf-stewart-pktdrpsctp */ 482 #define SCTP_PACKET_DROPPED 0x81 483 /* draft-ietf-stewart-strreset-xxx */ 484 #define SCTP_STREAM_RESET 0x82 485 486 /* RFC4820 */ 487 #define SCTP_PAD_CHUNK 0x84 488 /************0xc0 series ***********/ 489 /* RFC3758 */ 490 #define SCTP_FORWARD_CUM_TSN 0xc0 491 /* RFC5061 */ 492 #define SCTP_ASCONF 0xc1 493 #define SCTP_IFORWARD_CUM_TSN 0xc2 494 495 /* ABORT and SHUTDOWN COMPLETE FLAG */ 496 #define SCTP_HAD_NO_TCB 0x01 497 498 /* Packet dropped flags */ 499 #define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB 500 #define SCTP_BADCRC 0x02 501 #define SCTP_PACKET_TRUNCATED 0x04 502 503 /* Flag for ECN -CWR */ 504 #define SCTP_CWR_REDUCE_OVERRIDE 0x01 505 #define SCTP_CWR_IN_SAME_WINDOW 0x02 506 507 #define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite 508 * time */ 509 #define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst 510 * in sat */ 511 512 /* Data Chuck Specific Flags */ 513 #define SCTP_DATA_FRAG_MASK 0x03 514 #define SCTP_DATA_MIDDLE_FRAG 0x00 515 #define SCTP_DATA_LAST_FRAG 0x01 516 #define SCTP_DATA_FIRST_FRAG 0x02 517 #define SCTP_DATA_NOT_FRAG 0x03 518 #define SCTP_DATA_UNORDERED 0x04 519 #define SCTP_DATA_SACK_IMMEDIATELY 0x08 520 /* ECN Nonce: SACK Chunk Specific Flags */ 521 #define SCTP_SACK_NONCE_SUM 0x01 522 523 /* CMT DAC algorithm SACK flag */ 524 #define SCTP_SACK_CMT_DAC 0x80 525 526 /* 527 * PCB flags (in sctp_flags bitmask). 528 * Note the features and flags are meant 529 * for use by netstat. 530 */ 531 #define SCTP_PCB_FLAGS_UDPTYPE 0x00000001 532 #define SCTP_PCB_FLAGS_TCPTYPE 0x00000002 533 #define SCTP_PCB_FLAGS_BOUNDALL 0x00000004 534 #define SCTP_PCB_FLAGS_ACCEPTING 0x00000008 535 #define SCTP_PCB_FLAGS_UNBOUND 0x00000010 536 #define SCTP_PCB_FLAGS_SND_ITERATOR_UP 0x00000020 537 #define SCTP_PCB_FLAGS_CLOSE_IP 0x00040000 538 #define SCTP_PCB_FLAGS_WAS_CONNECTED 0x00080000 539 #define SCTP_PCB_FLAGS_WAS_ABORTED 0x00100000 540 /* TCP model support */ 541 542 #define SCTP_PCB_FLAGS_CONNECTED 0x00200000 543 #define SCTP_PCB_FLAGS_IN_TCPPOOL 0x00400000 544 #define SCTP_PCB_FLAGS_DONT_WAKE 0x00800000 545 #define SCTP_PCB_FLAGS_WAKEOUTPUT 0x01000000 546 #define SCTP_PCB_FLAGS_WAKEINPUT 0x02000000 547 #define SCTP_PCB_FLAGS_BOUND_V6 0x04000000 548 #define SCTP_PCB_FLAGS_BLOCKING_IO 0x08000000 549 #define SCTP_PCB_FLAGS_SOCKET_GONE 0x10000000 550 #define SCTP_PCB_FLAGS_SOCKET_ALLGONE 0x20000000 551 #define SCTP_PCB_FLAGS_SOCKET_CANT_READ 0x40000000 552 #if defined(__Userspace__) 553 #define SCTP_PCB_FLAGS_BOUND_CONN 0x80000000 554 555 /* flags to copy to new PCB */ 556 #define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 557 SCTP_PCB_FLAGS_WAKEINPUT|\ 558 SCTP_PCB_FLAGS_BOUND_V6|\ 559 SCTP_PCB_FLAGS_BOUND_CONN) 560 #else 561 562 /* flags to copy to new PCB */ 563 #define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 564 SCTP_PCB_FLAGS_WAKEINPUT|\ 565 SCTP_PCB_FLAGS_BOUND_V6) 566 #endif 567 568 /* 569 * PCB Features (in sctp_features bitmask) 570 */ 571 #define SCTP_PCB_FLAGS_DO_NOT_PMTUD 0x0000000000000001 572 #define SCTP_PCB_FLAGS_EXT_RCVINFO 0x0000000000000002 /* deprecated */ 573 #define SCTP_PCB_FLAGS_DONOT_HEARTBEAT 0x0000000000000004 574 #define SCTP_PCB_FLAGS_FRAG_INTERLEAVE 0x0000000000000008 575 #define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x0000000000000010 576 #define SCTP_PCB_FLAGS_DO_ASCONF 0x0000000000000020 577 #define SCTP_PCB_FLAGS_AUTO_ASCONF 0x0000000000000040 578 /* socket options */ 579 #define SCTP_PCB_FLAGS_NODELAY 0x0000000000000100 580 #define SCTP_PCB_FLAGS_AUTOCLOSE 0x0000000000000200 581 #define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x0000000000000400 /* deprecated */ 582 #define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x0000000000000800 583 #define SCTP_PCB_FLAGS_RECVPADDREVNT 0x0000000000001000 584 #define SCTP_PCB_FLAGS_RECVPEERERR 0x0000000000002000 585 #define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x0000000000004000 /* deprecated */ 586 #define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x0000000000008000 587 #define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x0000000000010000 588 #define SCTP_PCB_FLAGS_PDAPIEVNT 0x0000000000020000 589 #define SCTP_PCB_FLAGS_AUTHEVNT 0x0000000000040000 590 #define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x0000000000080000 591 #define SCTP_PCB_FLAGS_NO_FRAGMENT 0x0000000000100000 592 #define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x0000000000400000 593 #define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x0000000000800000 594 #define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x0000000001000000 595 #define SCTP_PCB_FLAGS_PORTREUSE 0x0000000002000000 596 #define SCTP_PCB_FLAGS_DRYEVNT 0x0000000004000000 597 #define SCTP_PCB_FLAGS_RECVRCVINFO 0x0000000008000000 598 #define SCTP_PCB_FLAGS_RECVNXTINFO 0x0000000010000000 599 #define SCTP_PCB_FLAGS_ASSOC_RESETEVNT 0x0000000020000000 600 #define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x0000000040000000 601 #define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x0000000080000000 602 603 /*- 604 * mobility_features parameters (by micchie).Note 605 * these features are applied against the 606 * sctp_mobility_features flags.. not the sctp_features 607 * flags. 608 */ 609 #define SCTP_MOBILITY_BASE 0x00000001 610 #define SCTP_MOBILITY_FASTHANDOFF 0x00000002 611 #define SCTP_MOBILITY_PRIM_DELETED 0x00000004 612 613 /* Smallest PMTU allowed when disabling PMTU discovery */ 614 #define SCTP_SMALLEST_PMTU 512 615 /* Largest PMTU allowed when disabling PMTU discovery */ 616 #define SCTP_LARGEST_PMTU 65536 617 618 #if defined(_WIN32) 619 #pragma pack(pop) 620 #endif 621 #undef SCTP_PACKED 622 623 #include <netinet/sctp_uio.h> 624 625 /* This dictates the size of the packet 626 * collection buffer. This only applies 627 * if SCTP_PACKET_LOGGING is enabled in 628 * your config. 629 */ 630 #define SCTP_PACKET_LOG_SIZE 65536 631 632 /* Maximum delays and such a user can set for options that 633 * take ms. 634 */ 635 #define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */ 636 #define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */ 637 #define SCTP_MIN_COOKIE_LIFE 1000 /* 1 second in ms */ 638 #define SCTP_MAX_COOKIE_LIFE 3600000 /* 1 hour in ms */ 639 640 /* Types of logging/KTR tracing that can be enabled via the 641 * sysctl net.inet.sctp.sctp_logging. You must also enable 642 * SUBSYS tracing. 643 * Note that you must have the SCTP option in the kernel 644 * to enable these as well. 645 */ 646 #define SCTP_BLK_LOGGING_ENABLE 0x00000001 647 #define SCTP_CWND_MONITOR_ENABLE 0x00000002 648 #define SCTP_CWND_LOGGING_ENABLE 0x00000004 649 #define SCTP_FLIGHT_LOGGING_ENABLE 0x00000020 650 #define SCTP_FR_LOGGING_ENABLE 0x00000040 651 #define SCTP_LOCK_LOGGING_ENABLE 0x00000080 652 #define SCTP_MAP_LOGGING_ENABLE 0x00000100 653 #define SCTP_MBCNT_LOGGING_ENABLE 0x00000200 654 #define SCTP_MBUF_LOGGING_ENABLE 0x00000400 655 #define SCTP_NAGLE_LOGGING_ENABLE 0x00000800 656 #define SCTP_RECV_RWND_LOGGING_ENABLE 0x00001000 657 #define SCTP_RTTVAR_LOGGING_ENABLE 0x00002000 658 #define SCTP_SACK_LOGGING_ENABLE 0x00004000 659 #define SCTP_SACK_RWND_LOGGING_ENABLE 0x00008000 660 #define SCTP_SB_LOGGING_ENABLE 0x00010000 661 #define SCTP_STR_LOGGING_ENABLE 0x00020000 662 #define SCTP_WAKE_LOGGING_ENABLE 0x00040000 663 #define SCTP_LOG_MAXBURST_ENABLE 0x00080000 664 #define SCTP_LOG_RWND_ENABLE 0x00100000 665 #define SCTP_LOG_SACK_ARRIVALS_ENABLE 0x00200000 666 #define SCTP_LTRACE_CHUNK_ENABLE 0x00400000 667 #define SCTP_LTRACE_ERROR_ENABLE 0x00800000 668 #define SCTP_LAST_PACKET_TRACING 0x01000000 669 #define SCTP_THRESHOLD_LOGGING 0x02000000 670 #define SCTP_LOG_AT_SEND_2_SCTP 0x04000000 671 #define SCTP_LOG_AT_SEND_2_OUTQ 0x08000000 672 #define SCTP_LOG_TRY_ADVANCE 0x10000000 673 674 #endif /* !_NETINET_SCTP_H_ */