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