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