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