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 #ifdef __FreeBSD__ 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD: head/sys/netinet/sctp.h 356357 2020-01-04 20:33:12Z tuexen $"); 38 #endif 39 40 #ifndef _NETINET_SCTP_H_ 41 #define _NETINET_SCTP_H_ 42 43 #if (defined(__APPLE__) || defined(__Userspace_os_Linux) || defined(__Userspace_os_Darwin)) 44 #include <stdint.h> 45 #endif 46 47 #include <sys/types.h> 48 49 50 #if !defined(__Userspace_os_Windows) 51 #define SCTP_PACKED __attribute__((packed)) 52 #else 53 #pragma pack (push, 1) 54 #define SCTP_PACKED 55 #endif 56 57 /* 58 * SCTP protocol - RFC4960. 59 */ 60 struct sctphdr { 61 uint16_t src_port; /* source port */ 62 uint16_t dest_port; /* destination port */ 63 uint32_t v_tag; /* verification tag of packet */ 64 uint32_t checksum; /* CRC32C checksum */ 65 /* chunks follow... */ 66 } SCTP_PACKED; 67 68 /* 69 * SCTP Chunks 70 */ 71 struct sctp_chunkhdr { 72 uint8_t chunk_type; /* chunk type */ 73 uint8_t chunk_flags; /* chunk flags */ 74 uint16_t chunk_length; /* chunk length */ 75 /* optional params follow */ 76 } SCTP_PACKED; 77 78 /* 79 * SCTP chunk parameters 80 */ 81 struct sctp_paramhdr { 82 uint16_t param_type; /* parameter type */ 83 uint16_t param_length; /* parameter length */ 84 } SCTP_PACKED; 85 86 /* 87 * user socket options: socket API defined 88 */ 89 /* 90 * read-write options 91 */ 92 #define SCTP_RTOINFO 0x00000001 93 #define SCTP_ASSOCINFO 0x00000002 94 #define SCTP_INITMSG 0x00000003 95 #define SCTP_NODELAY 0x00000004 96 #define SCTP_AUTOCLOSE 0x00000005 97 #define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006 98 #define SCTP_PRIMARY_ADDR 0x00000007 99 #define SCTP_ADAPTATION_LAYER 0x00000008 100 /* same as above */ 101 #define SCTP_ADAPTION_LAYER 0x00000008 102 #define SCTP_DISABLE_FRAGMENTS 0x00000009 103 #define SCTP_PEER_ADDR_PARAMS 0x0000000a 104 #define SCTP_DEFAULT_SEND_PARAM 0x0000000b 105 /* ancillary data/notification interest options */ 106 #define SCTP_EVENTS 0x0000000c /* deprecated */ 107 /* Without this applied we will give V4 and V6 addresses on a V6 socket */ 108 #define SCTP_I_WANT_MAPPED_V4_ADDR 0x0000000d 109 #define SCTP_MAXSEG 0x0000000e 110 #define SCTP_DELAYED_SACK 0x0000000f 111 #define SCTP_FRAGMENT_INTERLEAVE 0x00000010 112 #define SCTP_PARTIAL_DELIVERY_POINT 0x00000011 113 /* authentication support */ 114 #define SCTP_AUTH_CHUNK 0x00000012 115 #define SCTP_AUTH_KEY 0x00000013 116 #define SCTP_HMAC_IDENT 0x00000014 117 #define SCTP_AUTH_ACTIVE_KEY 0x00000015 118 #define SCTP_AUTH_DELETE_KEY 0x00000016 119 #define SCTP_USE_EXT_RCVINFO 0x00000017 120 #define SCTP_AUTO_ASCONF 0x00000018 /* rw */ 121 #define SCTP_MAXBURST 0x00000019 /* rw */ 122 #define SCTP_MAX_BURST 0x00000019 /* rw */ 123 /* assoc level context */ 124 #define SCTP_CONTEXT 0x0000001a /* rw */ 125 /* explicit EOR signalling */ 126 #define SCTP_EXPLICIT_EOR 0x0000001b 127 #define SCTP_REUSE_PORT 0x0000001c /* rw */ 128 #define SCTP_AUTH_DEACTIVATE_KEY 0x0000001d 129 #define SCTP_EVENT 0x0000001e 130 #define SCTP_RECVRCVINFO 0x0000001f 131 #define SCTP_RECVNXTINFO 0x00000020 132 #define SCTP_DEFAULT_SNDINFO 0x00000021 133 #define SCTP_DEFAULT_PRINFO 0x00000022 134 #define SCTP_PEER_ADDR_THLDS 0x00000023 135 #define SCTP_REMOTE_UDP_ENCAPS_PORT 0x00000024 136 #define SCTP_ECN_SUPPORTED 0x00000025 137 #define SCTP_PR_SUPPORTED 0x00000026 138 #define SCTP_AUTH_SUPPORTED 0x00000027 139 #define SCTP_ASCONF_SUPPORTED 0x00000028 140 #define SCTP_RECONFIG_SUPPORTED 0x00000029 141 #define SCTP_NRSACK_SUPPORTED 0x00000030 142 #define SCTP_PKTDROP_SUPPORTED 0x00000031 143 #define SCTP_MAX_CWND 0x00000032 144 145 /* 146 * read-only options 147 */ 148 #define SCTP_STATUS 0x00000100 149 #define SCTP_GET_PEER_ADDR_INFO 0x00000101 150 /* authentication support */ 151 #define SCTP_PEER_AUTH_CHUNKS 0x00000102 152 #define SCTP_LOCAL_AUTH_CHUNKS 0x00000103 153 #define SCTP_GET_ASSOC_NUMBER 0x00000104 /* ro */ 154 #define SCTP_GET_ASSOC_ID_LIST 0x00000105 /* ro */ 155 #define SCTP_TIMEOUTS 0x00000106 156 #define SCTP_PR_STREAM_STATUS 0x00000107 157 #define SCTP_PR_ASSOC_STATUS 0x00000108 158 159 /* 160 * user socket options: BSD implementation specific 161 */ 162 /* 163 * Blocking I/O is enabled on any TCP type socket by default. For the UDP 164 * model if this is turned on then the socket buffer is shared for send 165 * resources amongst all associations. The default for the UDP model is that 166 * is SS_NBIO is set. Which means all associations have a separate send 167 * limit BUT they will NOT ever BLOCK instead you will get an error back 168 * EAGAIN if you try to send too much. If you want the blocking semantics you 169 * set this option at the cost of sharing one socket send buffer size amongst 170 * all associations. Peeled off sockets turn this option off and block. But 171 * since both TCP and peeled off sockets have only one assoc per socket this 172 * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP 173 * model OR peeled off UDP model, but we do allow you to do so. You just use 174 * the normal syscall to toggle SS_NBIO the way you want. 175 * 176 * Blocking I/O is controlled by the SS_NBIO flag on the socket state so_state 177 * field. 178 */ 179 180 #define SCTP_ENABLE_STREAM_RESET 0x00000900 /* struct sctp_assoc_value */ 181 #define SCTP_RESET_STREAMS 0x00000901 /* struct sctp_reset_streams */ 182 #define SCTP_RESET_ASSOC 0x00000902 /* sctp_assoc_t */ 183 #define SCTP_ADD_STREAMS 0x00000903 /* struct sctp_add_streams */ 184 185 /* For enable stream reset */ 186 #define SCTP_ENABLE_RESET_STREAM_REQ 0x00000001 187 #define SCTP_ENABLE_RESET_ASSOC_REQ 0x00000002 188 #define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x00000004 189 #define SCTP_ENABLE_VALUE_MASK 0x00000007 190 /* For reset streams */ 191 #define SCTP_STREAM_RESET_INCOMING 0x00000001 192 #define SCTP_STREAM_RESET_OUTGOING 0x00000002 193 194 195 /* here on down are more implementation specific */ 196 #define SCTP_SET_DEBUG_LEVEL 0x00001005 197 #define SCTP_CLR_STAT_LOG 0x00001007 198 /* CMT ON/OFF socket option */ 199 #define SCTP_CMT_ON_OFF 0x00001200 200 #define SCTP_CMT_USE_DAC 0x00001201 201 /* JRS - Pluggable Congestion Control Socket option */ 202 #define SCTP_PLUGGABLE_CC 0x00001202 203 /* RS - Pluggable Stream Scheduling Socket option */ 204 #define SCTP_PLUGGABLE_SS 0x00001203 205 #define SCTP_SS_VALUE 0x00001204 206 #define SCTP_CC_OPTION 0x00001205 /* Options for CC modules */ 207 /* For I-DATA */ 208 #define SCTP_INTERLEAVING_SUPPORTED 0x00001206 209 210 /* read only */ 211 #define SCTP_GET_SNDBUF_USE 0x00001101 212 #define SCTP_GET_STAT_LOG 0x00001103 213 #define SCTP_PCB_STATUS 0x00001104 214 #define SCTP_GET_NONCE_VALUES 0x00001105 215 216 217 /* Special hook for dynamically setting primary for all assoc's, 218 * this is a write only option that requires root privilege. 219 */ 220 #define SCTP_SET_DYNAMIC_PRIMARY 0x00002001 221 222 /* VRF (virtual router feature) and multi-VRF support 223 * options. VRF's provide splits within a router 224 * that give the views of multiple routers. A 225 * standard host, without VRF support, is just 226 * a single VRF. If VRF's are supported then 227 * the transport must be VRF aware. This means 228 * that every socket call coming in must be directed 229 * within the endpoint to one of the VRF's it belongs 230 * to. The endpoint, before binding, may select 231 * the "default" VRF it is in by using a set socket 232 * option with SCTP_VRF_ID. This will also 233 * get propagated to the default VRF. Once the 234 * endpoint binds an address then it CANNOT add 235 * additional VRF's to become a Multi-VRF endpoint. 236 * 237 * Before BINDING additional VRF's can be added with 238 * the SCTP_ADD_VRF_ID call or deleted with 239 * SCTP_DEL_VRF_ID. 240 * 241 * Associations are ALWAYS contained inside a single 242 * VRF. They cannot reside in two (or more) VRF's. Incoming 243 * packets, assuming the router is VRF aware, can always 244 * tell us what VRF they arrived on. A host not supporting 245 * any VRF's will find that the packets always arrived on the 246 * single VRF that the host has. 247 * 248 */ 249 250 #define SCTP_VRF_ID 0x00003001 251 #define SCTP_ADD_VRF_ID 0x00003002 252 #define SCTP_GET_VRF_IDS 0x00003003 253 #define SCTP_GET_ASOC_VRF 0x00003004 254 #define SCTP_DEL_VRF_ID 0x00003005 255 256 /* 257 * If you enable packet logging you can get 258 * a poor mans ethereal output in binary 259 * form. Note this is a compile option to 260 * the kernel, SCTP_PACKET_LOGGING, and 261 * without it in your kernel you 262 * will get a EOPNOTSUPP 263 */ 264 #define SCTP_GET_PACKET_LOG 0x00004001 265 266 /* 267 * hidden implementation specific options these are NOT user visible (should 268 * move out of sctp.h) 269 */ 270 /* sctp_bindx() flags as hidden socket options */ 271 #define SCTP_BINDX_ADD_ADDR 0x00008001 272 #define SCTP_BINDX_REM_ADDR 0x00008002 273 /* Hidden socket option that gets the addresses */ 274 #define SCTP_GET_PEER_ADDRESSES 0x00008003 275 #define SCTP_GET_LOCAL_ADDRESSES 0x00008004 276 /* return the total count in bytes needed to hold all local addresses bound */ 277 #define SCTP_GET_LOCAL_ADDR_SIZE 0x00008005 278 /* Return the total count in bytes needed to hold the remote address */ 279 #define SCTP_GET_REMOTE_ADDR_SIZE 0x00008006 280 /* hidden option for connectx */ 281 #define SCTP_CONNECT_X 0x00008007 282 /* hidden option for connectx_delayed, part of sendx */ 283 #define SCTP_CONNECT_X_DELAYED 0x00008008 284 #define SCTP_CONNECT_X_COMPLETE 0x00008009 285 /* hidden socket option based sctp_peeloff */ 286 #define SCTP_PEELOFF 0x0000800a 287 /* the real worker for sctp_getaddrlen() */ 288 #define SCTP_GET_ADDR_LEN 0x0000800b 289 #if defined(__APPLE__) 290 /* temporary workaround for Apple listen() issue, no args used */ 291 #define SCTP_LISTEN_FIX 0x0000800c 292 #endif 293 #if defined(__Windows__) 294 /* workaround for Cygwin on Windows: returns the SOCKET handle */ 295 #define SCTP_GET_HANDLE 0x0000800d 296 #endif 297 /* Debug things that need to be purged */ 298 #define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00 299 300 /* JRS - Supported congestion control modules for pluggable 301 * congestion control 302 */ 303 /* Standard TCP Congestion Control */ 304 #define SCTP_CC_RFC2581 0x00000000 305 /* High Speed TCP Congestion Control (Floyd) */ 306 #define SCTP_CC_HSTCP 0x00000001 307 /* HTCP Congestion Control */ 308 #define SCTP_CC_HTCP 0x00000002 309 /* RTCC Congestion Control - RFC2581 plus */ 310 #define SCTP_CC_RTCC 0x00000003 311 312 #define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 313 #define SCTP_CC_OPT_USE_DCCC_ECN 0x00002001 314 #define SCTP_CC_OPT_STEADY_STEP 0x00002002 315 316 #define SCTP_CMT_OFF 0 317 #define SCTP_CMT_BASE 1 318 #define SCTP_CMT_RPV1 2 319 #define SCTP_CMT_RPV2 3 320 #define SCTP_CMT_MPTCP 4 321 #define SCTP_CMT_MAX SCTP_CMT_MPTCP 322 323 /* RS - Supported stream scheduling modules for pluggable 324 * stream scheduling 325 */ 326 /* Default simple round-robin */ 327 #define SCTP_SS_DEFAULT 0x00000000 328 /* Real round-robin */ 329 #define SCTP_SS_ROUND_ROBIN 0x00000001 330 /* Real round-robin per packet */ 331 #define SCTP_SS_ROUND_ROBIN_PACKET 0x00000002 332 /* Priority */ 333 #define SCTP_SS_PRIORITY 0x00000003 334 /* Fair Bandwidth */ 335 #define SCTP_SS_FAIR_BANDWITH 0x00000004 336 /* First-come, first-serve */ 337 #define SCTP_SS_FIRST_COME 0x00000005 338 339 340 /* fragment interleave constants 341 * setting must be one of these or 342 * EINVAL returned. 343 */ 344 #define SCTP_FRAG_LEVEL_0 0x00000000 345 #define SCTP_FRAG_LEVEL_1 0x00000001 346 #define SCTP_FRAG_LEVEL_2 0x00000002 347 348 /* 349 * user state values 350 */ 351 #define SCTP_CLOSED 0x0000 352 #define SCTP_BOUND 0x1000 353 #define SCTP_LISTEN 0x2000 354 #define SCTP_COOKIE_WAIT 0x0002 355 #define SCTP_COOKIE_ECHOED 0x0004 356 #define SCTP_ESTABLISHED 0x0008 357 #define SCTP_SHUTDOWN_SENT 0x0010 358 #define SCTP_SHUTDOWN_RECEIVED 0x0020 359 #define SCTP_SHUTDOWN_ACK_SENT 0x0040 360 #define SCTP_SHUTDOWN_PENDING 0x0080 361 362 /* 363 * SCTP operational error codes (user visible) 364 */ 365 #define SCTP_CAUSE_NO_ERROR 0x0000 366 #define SCTP_CAUSE_INVALID_STREAM 0x0001 367 #define SCTP_CAUSE_MISSING_PARAM 0x0002 368 #define SCTP_CAUSE_STALE_COOKIE 0x0003 369 #define SCTP_CAUSE_OUT_OF_RESC 0x0004 370 #define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005 371 #define SCTP_CAUSE_UNRECOG_CHUNK 0x0006 372 #define SCTP_CAUSE_INVALID_PARAM 0x0007 373 #define SCTP_CAUSE_UNRECOG_PARAM 0x0008 374 #define SCTP_CAUSE_NO_USER_DATA 0x0009 375 #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a 376 #define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b 377 #define SCTP_CAUSE_USER_INITIATED_ABT 0x000c 378 #define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d 379 380 /* Error causes from RFC5061 */ 381 #define SCTP_CAUSE_DELETING_LAST_ADDR 0x00a0 382 #define SCTP_CAUSE_RESOURCE_SHORTAGE 0x00a1 383 #define SCTP_CAUSE_DELETING_SRC_ADDR 0x00a2 384 #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x00a3 385 #define SCTP_CAUSE_REQUEST_REFUSED 0x00a4 386 387 /* Error causes from nat-draft */ 388 #define SCTP_CAUSE_NAT_COLLIDING_STATE 0x00b0 389 #define SCTP_CAUSE_NAT_MISSING_STATE 0x00b1 390 391 /* Error causes from RFC4895 */ 392 #define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105 393 394 /* 395 * error cause parameters (user visible) 396 */ 397 struct sctp_gen_error_cause { 398 uint16_t code; 399 uint16_t length; 400 uint8_t info[]; 401 } SCTP_PACKED; 402 403 struct sctp_error_cause { 404 uint16_t code; 405 uint16_t length; 406 /* optional cause-specific info may follow */ 407 } SCTP_PACKED; 408 409 struct sctp_error_invalid_stream { 410 struct sctp_error_cause cause; /* code=SCTP_CAUSE_INVALID_STREAM */ 411 uint16_t stream_id; /* stream id of the DATA in error */ 412 uint16_t reserved; 413 } SCTP_PACKED; 414 415 struct sctp_error_missing_param { 416 struct sctp_error_cause cause; /* code=SCTP_CAUSE_MISSING_PARAM */ 417 uint32_t num_missing_params; /* number of missing parameters */ 418 uint16_t type[]; 419 } SCTP_PACKED; 420 421 struct sctp_error_stale_cookie { 422 struct sctp_error_cause cause; /* code=SCTP_CAUSE_STALE_COOKIE */ 423 uint32_t stale_time; /* time in usec of staleness */ 424 } SCTP_PACKED; 425 426 struct sctp_error_out_of_resource { 427 struct sctp_error_cause cause; /* code=SCTP_CAUSE_OUT_OF_RESOURCES */ 428 } SCTP_PACKED; 429 430 struct sctp_error_unresolv_addr { 431 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNRESOLVABLE_ADDR */ 432 } SCTP_PACKED; 433 434 struct sctp_error_unrecognized_chunk { 435 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNRECOG_CHUNK */ 436 struct sctp_chunkhdr ch;/* header from chunk in error */ 437 } SCTP_PACKED; 438 439 struct sctp_error_no_user_data { 440 struct sctp_error_cause cause; /* code=SCTP_CAUSE_NO_USER_DATA */ 441 uint32_t tsn; /* TSN of the empty data chunk */ 442 } SCTP_PACKED; 443 444 struct sctp_error_auth_invalid_hmac { 445 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNSUPPORTED_HMACID */ 446 uint16_t hmac_id; 447 } SCTP_PACKED; 448 449 /* 450 * Main SCTP chunk types we place these here so natd and f/w's in user land 451 * can find them. 452 */ 453 /************0x00 series ***********/ 454 #define SCTP_DATA 0x00 455 #define SCTP_INITIATION 0x01 456 #define SCTP_INITIATION_ACK 0x02 457 #define SCTP_SELECTIVE_ACK 0x03 458 #define SCTP_HEARTBEAT_REQUEST 0x04 459 #define SCTP_HEARTBEAT_ACK 0x05 460 #define SCTP_ABORT_ASSOCIATION 0x06 461 #define SCTP_SHUTDOWN 0x07 462 #define SCTP_SHUTDOWN_ACK 0x08 463 #define SCTP_OPERATION_ERROR 0x09 464 #define SCTP_COOKIE_ECHO 0x0a 465 #define SCTP_COOKIE_ACK 0x0b 466 #define SCTP_ECN_ECHO 0x0c 467 #define SCTP_ECN_CWR 0x0d 468 #define SCTP_SHUTDOWN_COMPLETE 0x0e 469 /* RFC4895 */ 470 #define SCTP_AUTHENTICATION 0x0f 471 /* EY nr_sack chunk id*/ 472 #define SCTP_NR_SELECTIVE_ACK 0x10 473 /************0x40 series ***********/ 474 #define SCTP_IDATA 0x40 475 /************0x80 series ***********/ 476 /* RFC5061 */ 477 #define SCTP_ASCONF_ACK 0x80 478 /* draft-ietf-stewart-pktdrpsctp */ 479 #define SCTP_PACKET_DROPPED 0x81 480 /* draft-ietf-stewart-strreset-xxx */ 481 #define SCTP_STREAM_RESET 0x82 482 483 /* RFC4820 */ 484 #define SCTP_PAD_CHUNK 0x84 485 /************0xc0 series ***********/ 486 /* RFC3758 */ 487 #define SCTP_FORWARD_CUM_TSN 0xc0 488 /* RFC5061 */ 489 #define SCTP_ASCONF 0xc1 490 #define SCTP_IFORWARD_CUM_TSN 0xc2 491 492 /* ABORT and SHUTDOWN COMPLETE FLAG */ 493 #define SCTP_HAD_NO_TCB 0x01 494 495 /* Packet dropped flags */ 496 #define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB 497 #define SCTP_BADCRC 0x02 498 #define SCTP_PACKET_TRUNCATED 0x04 499 500 /* Flag for ECN -CWR */ 501 #define SCTP_CWR_REDUCE_OVERRIDE 0x01 502 #define SCTP_CWR_IN_SAME_WINDOW 0x02 503 504 #define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite 505 * time */ 506 #define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst 507 * in sat */ 508 509 /* Data Chuck Specific Flags */ 510 #define SCTP_DATA_FRAG_MASK 0x03 511 #define SCTP_DATA_MIDDLE_FRAG 0x00 512 #define SCTP_DATA_LAST_FRAG 0x01 513 #define SCTP_DATA_FIRST_FRAG 0x02 514 #define SCTP_DATA_NOT_FRAG 0x03 515 #define SCTP_DATA_UNORDERED 0x04 516 #define SCTP_DATA_SACK_IMMEDIATELY 0x08 517 /* ECN Nonce: SACK Chunk Specific Flags */ 518 #define SCTP_SACK_NONCE_SUM 0x01 519 520 /* CMT DAC algorithm SACK flag */ 521 #define SCTP_SACK_CMT_DAC 0x80 522 523 /* 524 * PCB flags (in sctp_flags bitmask). 525 * Note the features and flags are meant 526 * for use by netstat. 527 */ 528 #define SCTP_PCB_FLAGS_UDPTYPE 0x00000001 529 #define SCTP_PCB_FLAGS_TCPTYPE 0x00000002 530 #define SCTP_PCB_FLAGS_BOUNDALL 0x00000004 531 #define SCTP_PCB_FLAGS_ACCEPTING 0x00000008 532 #define SCTP_PCB_FLAGS_UNBOUND 0x00000010 533 #define SCTP_PCB_FLAGS_SND_ITERATOR_UP 0x00000020 534 #define SCTP_PCB_FLAGS_CLOSE_IP 0x00040000 535 #define SCTP_PCB_FLAGS_WAS_CONNECTED 0x00080000 536 #define SCTP_PCB_FLAGS_WAS_ABORTED 0x00100000 537 /* TCP model support */ 538 539 #define SCTP_PCB_FLAGS_CONNECTED 0x00200000 540 #define SCTP_PCB_FLAGS_IN_TCPPOOL 0x00400000 541 #define SCTP_PCB_FLAGS_DONT_WAKE 0x00800000 542 #define SCTP_PCB_FLAGS_WAKEOUTPUT 0x01000000 543 #define SCTP_PCB_FLAGS_WAKEINPUT 0x02000000 544 #define SCTP_PCB_FLAGS_BOUND_V6 0x04000000 545 #define SCTP_PCB_FLAGS_BLOCKING_IO 0x08000000 546 #define SCTP_PCB_FLAGS_SOCKET_GONE 0x10000000 547 #define SCTP_PCB_FLAGS_SOCKET_ALLGONE 0x20000000 548 #define SCTP_PCB_FLAGS_SOCKET_CANT_READ 0x40000000 549 #if defined(__Userspace__) 550 #define SCTP_PCB_FLAGS_BOUND_CONN 0x80000000 551 552 /* flags to copy to new PCB */ 553 #define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 554 SCTP_PCB_FLAGS_WAKEINPUT|\ 555 SCTP_PCB_FLAGS_BOUND_V6|\ 556 SCTP_PCB_FLAGS_BOUND_CONN) 557 #else 558 559 /* flags to copy to new PCB */ 560 #define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 561 SCTP_PCB_FLAGS_WAKEINPUT|\ 562 SCTP_PCB_FLAGS_BOUND_V6) 563 #endif 564 565 /* 566 * PCB Features (in sctp_features bitmask) 567 */ 568 #define SCTP_PCB_FLAGS_DO_NOT_PMTUD 0x0000000000000001 569 #define SCTP_PCB_FLAGS_EXT_RCVINFO 0x0000000000000002 /* deprecated */ 570 #define SCTP_PCB_FLAGS_DONOT_HEARTBEAT 0x0000000000000004 571 #define SCTP_PCB_FLAGS_FRAG_INTERLEAVE 0x0000000000000008 572 #define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x0000000000000010 573 #define SCTP_PCB_FLAGS_DO_ASCONF 0x0000000000000020 574 #define SCTP_PCB_FLAGS_AUTO_ASCONF 0x0000000000000040 575 /* socket options */ 576 #define SCTP_PCB_FLAGS_NODELAY 0x0000000000000100 577 #define SCTP_PCB_FLAGS_AUTOCLOSE 0x0000000000000200 578 #define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x0000000000000400 /* deprecated */ 579 #define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x0000000000000800 580 #define SCTP_PCB_FLAGS_RECVPADDREVNT 0x0000000000001000 581 #define SCTP_PCB_FLAGS_RECVPEERERR 0x0000000000002000 582 #define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x0000000000004000 /* deprecated */ 583 #define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x0000000000008000 584 #define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x0000000000010000 585 #define SCTP_PCB_FLAGS_PDAPIEVNT 0x0000000000020000 586 #define SCTP_PCB_FLAGS_AUTHEVNT 0x0000000000040000 587 #define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x0000000000080000 588 #define SCTP_PCB_FLAGS_NO_FRAGMENT 0x0000000000100000 589 #define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x0000000000400000 590 #define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x0000000000800000 591 #define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x0000000001000000 592 #define SCTP_PCB_FLAGS_PORTREUSE 0x0000000002000000 593 #define SCTP_PCB_FLAGS_DRYEVNT 0x0000000004000000 594 #define SCTP_PCB_FLAGS_RECVRCVINFO 0x0000000008000000 595 #define SCTP_PCB_FLAGS_RECVNXTINFO 0x0000000010000000 596 #define SCTP_PCB_FLAGS_ASSOC_RESETEVNT 0x0000000020000000 597 #define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x0000000040000000 598 #define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x0000000080000000 599 600 /*- 601 * mobility_features parameters (by micchie).Note 602 * these features are applied against the 603 * sctp_mobility_features flags.. not the sctp_features 604 * flags. 605 */ 606 #define SCTP_MOBILITY_BASE 0x00000001 607 #define SCTP_MOBILITY_FASTHANDOFF 0x00000002 608 #define SCTP_MOBILITY_PRIM_DELETED 0x00000004 609 610 611 /* Smallest PMTU allowed when disabling PMTU discovery */ 612 #define SCTP_SMALLEST_PMTU 512 613 /* Largest PMTU allowed when disabling PMTU discovery */ 614 #define SCTP_LARGEST_PMTU 65536 615 616 #if defined(__Userspace_os_Windows) 617 #pragma pack(pop) 618 #endif 619 #undef SCTP_PACKED 620 621 #include <netinet/sctp_uio.h> 622 623 /* This dictates the size of the packet 624 * collection buffer. This only applies 625 * if SCTP_PACKET_LOGGING is enabled in 626 * your config. 627 */ 628 #define SCTP_PACKET_LOG_SIZE 65536 629 630 /* Maximum delays and such a user can set for options that 631 * take ms. 632 */ 633 #define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */ 634 #define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */ 635 #define SCTP_MAX_COOKIE_LIFE 3600000 /* 1 hour in ms */ 636 637 638 /* Types of logging/KTR tracing that can be enabled via the 639 * sysctl net.inet.sctp.sctp_logging. You must also enable 640 * SUBSYS tracing. 641 * Note that you must have the SCTP option in the kernel 642 * to enable these as well. 643 */ 644 #define SCTP_BLK_LOGGING_ENABLE 0x00000001 645 #define SCTP_CWND_MONITOR_ENABLE 0x00000002 646 #define SCTP_CWND_LOGGING_ENABLE 0x00000004 647 #define SCTP_FLIGHT_LOGGING_ENABLE 0x00000020 648 #define SCTP_FR_LOGGING_ENABLE 0x00000040 649 #define SCTP_LOCK_LOGGING_ENABLE 0x00000080 650 #define SCTP_MAP_LOGGING_ENABLE 0x00000100 651 #define SCTP_MBCNT_LOGGING_ENABLE 0x00000200 652 #define SCTP_MBUF_LOGGING_ENABLE 0x00000400 653 #define SCTP_NAGLE_LOGGING_ENABLE 0x00000800 654 #define SCTP_RECV_RWND_LOGGING_ENABLE 0x00001000 655 #define SCTP_RTTVAR_LOGGING_ENABLE 0x00002000 656 #define SCTP_SACK_LOGGING_ENABLE 0x00004000 657 #define SCTP_SACK_RWND_LOGGING_ENABLE 0x00008000 658 #define SCTP_SB_LOGGING_ENABLE 0x00010000 659 #define SCTP_STR_LOGGING_ENABLE 0x00020000 660 #define SCTP_WAKE_LOGGING_ENABLE 0x00040000 661 #define SCTP_LOG_MAXBURST_ENABLE 0x00080000 662 #define SCTP_LOG_RWND_ENABLE 0x00100000 663 #define SCTP_LOG_SACK_ARRIVALS_ENABLE 0x00200000 664 #define SCTP_LTRACE_CHUNK_ENABLE 0x00400000 665 #define SCTP_LTRACE_ERROR_ENABLE 0x00800000 666 #define SCTP_LAST_PACKET_TRACING 0x01000000 667 #define SCTP_THRESHOLD_LOGGING 0x02000000 668 #define SCTP_LOG_AT_SEND_2_SCTP 0x04000000 669 #define SCTP_LOG_AT_SEND_2_OUTQ 0x08000000 670 #define SCTP_LOG_TRY_ADVANCE 0x10000000 671 672 #endif /* !_NETINET_SCTP_H_ */ 673