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