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