1 /*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifdef __FreeBSD__ 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD: head/sys/netinet/sctp.h 264679 2014-04-19 19:21:06Z tuexen $"); 36 #endif 37 38 #ifndef _NETINET_SCTP_H_ 39 #define _NETINET_SCTP_H_ 40 41 #if (defined(__APPLE__) || defined(__Userspace_os_Linux) || defined(__Userspace_os_Darwin)) 42 #include <stdint.h> 43 #endif 44 45 #include <sys/types.h> 46 47 48 #if !defined(__Userspace_os_Windows) 49 #define SCTP_PACKED __attribute__((packed)) 50 #else 51 #pragma pack (push, 1) 52 #define SCTP_PACKED 53 #endif 54 55 /* 56 * SCTP protocol - RFC4960. 57 */ 58 struct sctphdr { 59 uint16_t src_port; /* source port */ 60 uint16_t dest_port; /* destination port */ 61 uint32_t v_tag; /* verification tag of packet */ 62 uint32_t checksum; /* CRC32C checksum */ 63 /* chunks follow... */ 64 } SCTP_PACKED; 65 66 /* 67 * SCTP Chunks 68 */ 69 struct sctp_chunkhdr { 70 uint8_t chunk_type; /* chunk type */ 71 uint8_t chunk_flags; /* chunk flags */ 72 uint16_t chunk_length; /* chunk length */ 73 /* optional params follow */ 74 } SCTP_PACKED; 75 76 /* 77 * SCTP chunk parameters 78 */ 79 struct sctp_paramhdr { 80 uint16_t param_type; /* parameter type */ 81 uint16_t param_length; /* parameter length */ 82 } SCTP_PACKED; 83 84 /* 85 * user socket options: socket API defined 86 */ 87 /* 88 * read-write options 89 */ 90 #define SCTP_RTOINFO 0x00000001 91 #define SCTP_ASSOCINFO 0x00000002 92 #define SCTP_INITMSG 0x00000003 93 #define SCTP_NODELAY 0x00000004 94 #define SCTP_AUTOCLOSE 0x00000005 95 #define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006 96 #define SCTP_PRIMARY_ADDR 0x00000007 97 #define SCTP_ADAPTATION_LAYER 0x00000008 98 /* same as above */ 99 #define SCTP_ADAPTION_LAYER 0x00000008 100 #define SCTP_DISABLE_FRAGMENTS 0x00000009 101 #define SCTP_PEER_ADDR_PARAMS 0x0000000a 102 #define SCTP_DEFAULT_SEND_PARAM 0x0000000b 103 /* ancillary data/notification interest options */ 104 #define SCTP_EVENTS 0x0000000c /* deprecated */ 105 /* Without this applied we will give V4 and V6 addresses on a V6 socket */ 106 #define SCTP_I_WANT_MAPPED_V4_ADDR 0x0000000d 107 #define SCTP_MAXSEG 0x0000000e 108 #define SCTP_DELAYED_SACK 0x0000000f 109 #define SCTP_FRAGMENT_INTERLEAVE 0x00000010 110 #define SCTP_PARTIAL_DELIVERY_POINT 0x00000011 111 /* authentication support */ 112 #define SCTP_AUTH_CHUNK 0x00000012 113 #define SCTP_AUTH_KEY 0x00000013 114 #define SCTP_HMAC_IDENT 0x00000014 115 #define SCTP_AUTH_ACTIVE_KEY 0x00000015 116 #define SCTP_AUTH_DELETE_KEY 0x00000016 117 #define SCTP_USE_EXT_RCVINFO 0x00000017 118 #define SCTP_AUTO_ASCONF 0x00000018 /* rw */ 119 #define SCTP_MAXBURST 0x00000019 /* rw */ 120 #define SCTP_MAX_BURST 0x00000019 /* rw */ 121 /* assoc level context */ 122 #define SCTP_CONTEXT 0x0000001a /* rw */ 123 /* explicit EOR signalling */ 124 #define SCTP_EXPLICIT_EOR 0x0000001b 125 #define SCTP_REUSE_PORT 0x0000001c /* rw */ 126 #define SCTP_AUTH_DEACTIVATE_KEY 0x0000001d 127 #define SCTP_EVENT 0x0000001e 128 #define SCTP_RECVRCVINFO 0x0000001f 129 #define SCTP_RECVNXTINFO 0x00000020 130 #define SCTP_DEFAULT_SNDINFO 0x00000021 131 #define SCTP_DEFAULT_PRINFO 0x00000022 132 #define SCTP_PEER_ADDR_THLDS 0x00000023 133 #define SCTP_REMOTE_UDP_ENCAPS_PORT 0x00000024 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 146 147 /* 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 sctp_assoc_value */ 169 #define SCTP_RESET_STREAMS 0x00000901 /* struct sctp_reset_streams */ 170 #define SCTP_RESET_ASSOC 0x00000902 /* sctp_assoc_t */ 171 #define SCTP_ADD_STREAMS 0x00000903 /* struct sctp_add_streams */ 172 173 /* For enable stream reset */ 174 #define SCTP_ENABLE_RESET_STREAM_REQ 0x00000001 175 #define SCTP_ENABLE_RESET_ASSOC_REQ 0x00000002 176 #define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x00000004 177 #define SCTP_ENABLE_VALUE_MASK 0x00000007 178 /* For reset streams */ 179 #define SCTP_STREAM_RESET_INCOMING 0x00000001 180 #define SCTP_STREAM_RESET_OUTGOING 0x00000002 181 182 183 /* 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_PLUGGABLE_SS 0x00001203 193 #define SCTP_SS_VALUE 0x00001204 194 #define SCTP_CC_OPTION 0x00001205 /* Options for CC modules */ 195 /* read only */ 196 #define SCTP_GET_SNDBUF_USE 0x00001101 197 #define SCTP_GET_STAT_LOG 0x00001103 198 #define SCTP_PCB_STATUS 0x00001104 199 #define SCTP_GET_NONCE_VALUES 0x00001105 200 201 202 /* Special hook for dynamically setting primary for all assoc's, 203 * this is a write only option that requires root privilege. 204 */ 205 #define SCTP_SET_DYNAMIC_PRIMARY 0x00002001 206 207 /* VRF (virtual router feature) and multi-VRF support 208 * options. VRF's provide splits within a router 209 * that give the views of multiple routers. A 210 * standard host, without VRF support, is just 211 * a single VRF. If VRF's are supported then 212 * the transport must be VRF aware. This means 213 * that every socket call coming in must be directed 214 * within the endpoint to one of the VRF's it belongs 215 * to. The endpoint, before binding, may select 216 * the "default" VRF it is in by using a set socket 217 * option with SCTP_VRF_ID. This will also 218 * get propagated to the default VRF. Once the 219 * endpoint binds an address then it CANNOT add 220 * additional VRF's to become a Multi-VRF endpoint. 221 * 222 * Before BINDING additional VRF's can be added with 223 * the SCTP_ADD_VRF_ID call or deleted with 224 * SCTP_DEL_VRF_ID. 225 * 226 * Associations are ALWAYS contained inside a single 227 * VRF. They cannot reside in two (or more) VRF's. Incoming 228 * packets, assuming the router is VRF aware, can always 229 * tell us what VRF they arrived on. A host not supporting 230 * any VRF's will find that the packets always arrived on the 231 * single VRF that the host has. 232 * 233 */ 234 235 #define SCTP_VRF_ID 0x00003001 236 #define SCTP_ADD_VRF_ID 0x00003002 237 #define SCTP_GET_VRF_IDS 0x00003003 238 #define SCTP_GET_ASOC_VRF 0x00003004 239 #define SCTP_DEL_VRF_ID 0x00003005 240 241 /* 242 * If you enable packet logging you can get 243 * a poor mans ethereal output in binary 244 * form. Note this is a compile option to 245 * the kernel, SCTP_PACKET_LOGGING, and 246 * without it in your kernel you 247 * will get a EOPNOTSUPP 248 */ 249 #define SCTP_GET_PACKET_LOG 0x00004001 250 251 /* 252 * hidden implementation specific options these are NOT user visible (should 253 * move out of sctp.h) 254 */ 255 /* sctp_bindx() flags as hidden socket options */ 256 #define SCTP_BINDX_ADD_ADDR 0x00008001 257 #define SCTP_BINDX_REM_ADDR 0x00008002 258 /* Hidden socket option that gets the addresses */ 259 #define SCTP_GET_PEER_ADDRESSES 0x00008003 260 #define SCTP_GET_LOCAL_ADDRESSES 0x00008004 261 /* return the total count in bytes needed to hold all local addresses bound */ 262 #define SCTP_GET_LOCAL_ADDR_SIZE 0x00008005 263 /* Return the total count in bytes needed to hold the remote address */ 264 #define SCTP_GET_REMOTE_ADDR_SIZE 0x00008006 265 /* hidden option for connectx */ 266 #define SCTP_CONNECT_X 0x00008007 267 /* hidden option for connectx_delayed, part of sendx */ 268 #define SCTP_CONNECT_X_DELAYED 0x00008008 269 #define SCTP_CONNECT_X_COMPLETE 0x00008009 270 /* hidden socket option based sctp_peeloff */ 271 #define SCTP_PEELOFF 0x0000800a 272 /* the real worker for sctp_getaddrlen() */ 273 #define SCTP_GET_ADDR_LEN 0x0000800b 274 #if defined(__APPLE__) 275 /* temporary workaround for Apple listen() issue, no args used */ 276 #define SCTP_LISTEN_FIX 0x0000800c 277 #endif 278 #if defined(__Windows__) 279 /* workaround for Cygwin on Windows: returns the SOCKET handle */ 280 #define SCTP_GET_HANDLE 0x0000800d 281 #endif 282 /* Debug things that need to be purged */ 283 #define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00 284 285 /* JRS - Supported congestion control modules for pluggable 286 * congestion control 287 */ 288 /* Standard TCP Congestion Control */ 289 #define SCTP_CC_RFC2581 0x00000000 290 /* High Speed TCP Congestion Control (Floyd) */ 291 #define SCTP_CC_HSTCP 0x00000001 292 /* HTCP Congestion Control */ 293 #define SCTP_CC_HTCP 0x00000002 294 /* RTCC Congestion Control - RFC2581 plus */ 295 #define SCTP_CC_RTCC 0x00000003 296 297 #define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 298 #define SCTP_CC_OPT_USE_DCCC_ECN 0x00002001 299 #define SCTP_CC_OPT_STEADY_STEP 0x00002002 300 301 #define SCTP_CMT_OFF 0 302 #define SCTP_CMT_BASE 1 303 #define SCTP_CMT_RPV1 2 304 #define SCTP_CMT_RPV2 3 305 #define SCTP_CMT_MPTCP 4 306 #define SCTP_CMT_MAX SCTP_CMT_MPTCP 307 308 /* RS - Supported stream scheduling modules for pluggable 309 * stream scheduling 310 */ 311 /* Default simple round-robin */ 312 #define SCTP_SS_DEFAULT 0x00000000 313 /* Real round-robin */ 314 #define SCTP_SS_ROUND_ROBIN 0x00000001 315 /* Real round-robin per packet */ 316 #define SCTP_SS_ROUND_ROBIN_PACKET 0x00000002 317 /* Priority */ 318 #define SCTP_SS_PRIORITY 0x00000003 319 /* Fair Bandwidth */ 320 #define SCTP_SS_FAIR_BANDWITH 0x00000004 321 /* First-come, first-serve */ 322 #define SCTP_SS_FIRST_COME 0x00000005 323 324 325 /* fragment interleave constants 326 * setting must be one of these or 327 * EINVAL returned. 328 */ 329 #define SCTP_FRAG_LEVEL_0 0x00000000 330 #define SCTP_FRAG_LEVEL_1 0x00000001 331 #define SCTP_FRAG_LEVEL_2 0x00000002 332 333 /* 334 * user state values 335 */ 336 #define SCTP_CLOSED 0x0000 337 #define SCTP_BOUND 0x1000 338 #define SCTP_LISTEN 0x2000 339 #define SCTP_COOKIE_WAIT 0x0002 340 #define SCTP_COOKIE_ECHOED 0x0004 341 #define SCTP_ESTABLISHED 0x0008 342 #define SCTP_SHUTDOWN_SENT 0x0010 343 #define SCTP_SHUTDOWN_RECEIVED 0x0020 344 #define SCTP_SHUTDOWN_ACK_SENT 0x0040 345 #define SCTP_SHUTDOWN_PENDING 0x0080 346 347 /* 348 * SCTP operational error codes (user visible) 349 */ 350 #define SCTP_CAUSE_NO_ERROR 0x0000 351 #define SCTP_CAUSE_INVALID_STREAM 0x0001 352 #define SCTP_CAUSE_MISSING_PARAM 0x0002 353 #define SCTP_CAUSE_STALE_COOKIE 0x0003 354 #define SCTP_CAUSE_OUT_OF_RESC 0x0004 355 #define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005 356 #define SCTP_CAUSE_UNRECOG_CHUNK 0x0006 357 #define SCTP_CAUSE_INVALID_PARAM 0x0007 358 #define SCTP_CAUSE_UNRECOG_PARAM 0x0008 359 #define SCTP_CAUSE_NO_USER_DATA 0x0009 360 #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a 361 #define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b 362 #define SCTP_CAUSE_USER_INITIATED_ABT 0x000c 363 #define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d 364 365 /* Error causes from RFC5061 */ 366 #define SCTP_CAUSE_DELETING_LAST_ADDR 0x00a0 367 #define SCTP_CAUSE_RESOURCE_SHORTAGE 0x00a1 368 #define SCTP_CAUSE_DELETING_SRC_ADDR 0x00a2 369 #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x00a3 370 #define SCTP_CAUSE_REQUEST_REFUSED 0x00a4 371 372 /* Error causes from nat-draft */ 373 #define SCTP_CAUSE_NAT_COLLIDING_STATE 0x00b0 374 #define SCTP_CAUSE_NAT_MISSING_STATE 0x00b1 375 376 /* Error causes from RFC4895 */ 377 #define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105 378 379 /* 380 * error cause parameters (user visible) 381 */ 382 struct sctp_gen_error_cause { 383 uint16_t code; 384 uint16_t length; 385 uint8_t info[]; 386 } SCTP_PACKED; 387 388 struct sctp_error_cause { 389 uint16_t code; 390 uint16_t length; 391 /* optional cause-specific info may follow */ 392 } SCTP_PACKED; 393 394 struct sctp_error_invalid_stream { 395 struct sctp_error_cause cause; /* code=SCTP_ERROR_INVALID_STREAM */ 396 uint16_t stream_id; /* stream id of the DATA in error */ 397 uint16_t reserved; 398 } SCTP_PACKED; 399 400 struct sctp_error_missing_param { 401 struct sctp_error_cause cause; /* code=SCTP_ERROR_MISSING_PARAM */ 402 uint32_t num_missing_params; /* number of missing parameters */ 403 /* uint16_t param_type's follow */ 404 } SCTP_PACKED; 405 406 struct sctp_error_stale_cookie { 407 struct sctp_error_cause cause; /* code=SCTP_ERROR_STALE_COOKIE */ 408 uint32_t stale_time; /* time in usec of staleness */ 409 } SCTP_PACKED; 410 411 struct sctp_error_out_of_resource { 412 struct sctp_error_cause cause; /* code=SCTP_ERROR_OUT_OF_RESOURCES */ 413 } SCTP_PACKED; 414 415 struct sctp_error_unresolv_addr { 416 struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */ 417 418 } SCTP_PACKED; 419 420 struct sctp_error_unrecognized_chunk { 421 struct sctp_error_cause cause; /* code=SCTP_ERROR_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 /* 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 /************0x80 series ***********/ 456 /* RFC5061 */ 457 #define SCTP_ASCONF_ACK 0x80 458 /* draft-ietf-stewart-pktdrpsctp */ 459 #define SCTP_PACKET_DROPPED 0x81 460 /* draft-ietf-stewart-strreset-xxx */ 461 #define SCTP_STREAM_RESET 0x82 462 463 /* RFC4820 */ 464 #define SCTP_PAD_CHUNK 0x84 465 /************0xc0 series ***********/ 466 /* RFC3758 */ 467 #define SCTP_FORWARD_CUM_TSN 0xc0 468 /* RFC5061 */ 469 #define SCTP_ASCONF 0xc1 470 471 472 /* ABORT and SHUTDOWN COMPLETE FLAG */ 473 #define SCTP_HAD_NO_TCB 0x01 474 475 /* Packet dropped flags */ 476 #define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB 477 #define SCTP_BADCRC 0x02 478 #define SCTP_PACKET_TRUNCATED 0x04 479 480 /* Flag for ECN -CWR */ 481 #define SCTP_CWR_REDUCE_OVERRIDE 0x01 482 #define SCTP_CWR_IN_SAME_WINDOW 0x02 483 484 #define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite 485 * time */ 486 #define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst 487 * in sat */ 488 489 /* Data Chuck Specific Flags */ 490 #define SCTP_DATA_FRAG_MASK 0x03 491 #define SCTP_DATA_MIDDLE_FRAG 0x00 492 #define SCTP_DATA_LAST_FRAG 0x01 493 #define SCTP_DATA_FIRST_FRAG 0x02 494 #define SCTP_DATA_NOT_FRAG 0x03 495 #define SCTP_DATA_UNORDERED 0x04 496 #define SCTP_DATA_SACK_IMMEDIATELY 0x08 497 /* ECN Nonce: SACK Chunk Specific Flags */ 498 #define SCTP_SACK_NONCE_SUM 0x01 499 500 /* CMT DAC algorithm SACK flag */ 501 #define SCTP_SACK_CMT_DAC 0x80 502 503 /* 504 * PCB flags (in sctp_flags bitmask). 505 * Note the features and flags are meant 506 * for use by netstat. 507 */ 508 #define SCTP_PCB_FLAGS_UDPTYPE 0x00000001 509 #define SCTP_PCB_FLAGS_TCPTYPE 0x00000002 510 #define SCTP_PCB_FLAGS_BOUNDALL 0x00000004 511 #define SCTP_PCB_FLAGS_ACCEPTING 0x00000008 512 #define SCTP_PCB_FLAGS_UNBOUND 0x00000010 513 #define SCTP_PCB_FLAGS_CLOSE_IP 0x00040000 514 #define SCTP_PCB_FLAGS_WAS_CONNECTED 0x00080000 515 #define SCTP_PCB_FLAGS_WAS_ABORTED 0x00100000 516 /* TCP model support */ 517 518 #define SCTP_PCB_FLAGS_CONNECTED 0x00200000 519 #define SCTP_PCB_FLAGS_IN_TCPPOOL 0x00400000 520 #define SCTP_PCB_FLAGS_DONT_WAKE 0x00800000 521 #define SCTP_PCB_FLAGS_WAKEOUTPUT 0x01000000 522 #define SCTP_PCB_FLAGS_WAKEINPUT 0x02000000 523 #define SCTP_PCB_FLAGS_BOUND_V6 0x04000000 524 #define SCTP_PCB_FLAGS_BLOCKING_IO 0x08000000 525 #define SCTP_PCB_FLAGS_SOCKET_GONE 0x10000000 526 #define SCTP_PCB_FLAGS_SOCKET_ALLGONE 0x20000000 527 #define SCTP_PCB_FLAGS_SOCKET_CANT_READ 0x40000000 528 #if defined(__Userspace__) 529 #define SCTP_PCB_FLAGS_BOUND_CONN 0x80000000 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 SCTP_PCB_FLAGS_BOUND_CONN) 536 #else 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 #endif 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 #define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x0000000000000080 555 /* socket options */ 556 #define SCTP_PCB_FLAGS_NODELAY 0x0000000000000100 557 #define SCTP_PCB_FLAGS_AUTOCLOSE 0x0000000000000200 558 #define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x0000000000000400 /* deprecated */ 559 #define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x0000000000000800 560 #define SCTP_PCB_FLAGS_RECVPADDREVNT 0x0000000000001000 561 #define SCTP_PCB_FLAGS_RECVPEERERR 0x0000000000002000 562 #define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x0000000000004000 /* deprecated */ 563 #define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x0000000000008000 564 #define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x0000000000010000 565 #define SCTP_PCB_FLAGS_PDAPIEVNT 0x0000000000020000 566 #define SCTP_PCB_FLAGS_AUTHEVNT 0x0000000000040000 567 #define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x0000000000080000 568 #define SCTP_PCB_FLAGS_NO_FRAGMENT 0x0000000000100000 569 #define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x0000000000400000 570 #define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x0000000000800000 571 #define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x0000000001000000 572 #define SCTP_PCB_FLAGS_PORTREUSE 0x0000000002000000 573 #define SCTP_PCB_FLAGS_DRYEVNT 0x0000000004000000 574 #define SCTP_PCB_FLAGS_RECVRCVINFO 0x0000000008000000 575 #define SCTP_PCB_FLAGS_RECVNXTINFO 0x0000000010000000 576 #define SCTP_PCB_FLAGS_ASSOC_RESETEVNT 0x0000000020000000 577 #define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x0000000040000000 578 #define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x0000000080000000 579 580 /*- 581 * mobility_features parameters (by micchie).Note 582 * these features are applied against the 583 * sctp_mobility_features flags.. not the sctp_features 584 * flags. 585 */ 586 #define SCTP_MOBILITY_BASE 0x00000001 587 #define SCTP_MOBILITY_FASTHANDOFF 0x00000002 588 #define SCTP_MOBILITY_PRIM_DELETED 0x00000004 589 590 591 #define SCTP_SMALLEST_PMTU 512 /* smallest pmtu allowed when disabling PMTU discovery */ 592 593 #if defined(__Userspace_os_Windows) 594 #pragma pack() 595 #endif 596 #undef SCTP_PACKED 597 598 #include <netinet/sctp_uio.h> 599 600 /* This dictates the size of the packet 601 * collection buffer. This only applies 602 * if SCTP_PACKET_LOGGING is enabled in 603 * your config. 604 */ 605 #define SCTP_PACKET_LOG_SIZE 65536 606 607 /* Maximum delays and such a user can set for options that 608 * take ms. 609 */ 610 #define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */ 611 #define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */ 612 #define SCTP_MAX_COOKIE_LIFE 3600000 /* 1 hour in ms */ 613 614 615 /* Types of logging/KTR tracing that can be enabled via the 616 * sysctl net.inet.sctp.sctp_logging. You must also enable 617 * SUBSYS tracing. 618 * Note that you must have the SCTP option in the kernel 619 * to enable these as well. 620 */ 621 #define SCTP_BLK_LOGGING_ENABLE 0x00000001 622 #define SCTP_CWND_MONITOR_ENABLE 0x00000002 623 #define SCTP_CWND_LOGGING_ENABLE 0x00000004 624 #define SCTP_FLIGHT_LOGGING_ENABLE 0x00000020 625 #define SCTP_FR_LOGGING_ENABLE 0x00000040 626 #define SCTP_LOCK_LOGGING_ENABLE 0x00000080 627 #define SCTP_MAP_LOGGING_ENABLE 0x00000100 628 #define SCTP_MBCNT_LOGGING_ENABLE 0x00000200 629 #define SCTP_MBUF_LOGGING_ENABLE 0x00000400 630 #define SCTP_NAGLE_LOGGING_ENABLE 0x00000800 631 #define SCTP_RECV_RWND_LOGGING_ENABLE 0x00001000 632 #define SCTP_RTTVAR_LOGGING_ENABLE 0x00002000 633 #define SCTP_SACK_LOGGING_ENABLE 0x00004000 634 #define SCTP_SACK_RWND_LOGGING_ENABLE 0x00008000 635 #define SCTP_SB_LOGGING_ENABLE 0x00010000 636 #define SCTP_STR_LOGGING_ENABLE 0x00020000 637 #define SCTP_WAKE_LOGGING_ENABLE 0x00040000 638 #define SCTP_LOG_MAXBURST_ENABLE 0x00080000 639 #define SCTP_LOG_RWND_ENABLE 0x00100000 640 #define SCTP_LOG_SACK_ARRIVALS_ENABLE 0x00200000 641 #define SCTP_LTRACE_CHUNK_ENABLE 0x00400000 642 #define SCTP_LTRACE_ERROR_ENABLE 0x00800000 643 #define SCTP_LAST_PACKET_TRACING 0x01000000 644 #define SCTP_THRESHOLD_LOGGING 0x02000000 645 #define SCTP_LOG_AT_SEND_2_SCTP 0x04000000 646 #define SCTP_LOG_AT_SEND_2_OUTQ 0x08000000 647 #define SCTP_LOG_TRY_ADVANCE 0x10000000 648 649 #endif /* !_NETINET_SCTP_H_ */ 650