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 269945 2014-08-13 15:50:16Z 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 #define SCTP_ECN_SUPPORTED 0x00000025 135 #define SCTP_PR_SUPPORTED 0x00000026 136 #define SCTP_AUTH_SUPPORTED 0x00000027 137 #define SCTP_ASCONF_SUPPORTED 0x00000028 138 #define SCTP_RECONFIG_SUPPORTED 0x00000029 139 #define SCTP_NRSACK_SUPPORTED 0x00000030 140 #define SCTP_PKTDROP_SUPPORTED 0x00000031 141 142 /* 143 * read-only options 144 */ 145 #define SCTP_STATUS 0x00000100 146 #define SCTP_GET_PEER_ADDR_INFO 0x00000101 147 /* authentication support */ 148 #define SCTP_PEER_AUTH_CHUNKS 0x00000102 149 #define SCTP_LOCAL_AUTH_CHUNKS 0x00000103 150 #define SCTP_GET_ASSOC_NUMBER 0x00000104 /* ro */ 151 #define SCTP_GET_ASSOC_ID_LIST 0x00000105 /* ro */ 152 #define SCTP_TIMEOUTS 0x00000106 153 #define SCTP_PR_STREAM_STATUS 0x00000107 154 #define SCTP_PR_ASSOC_STATUS 0x00000108 155 156 /* 157 * user socket options: BSD implementation specific 158 */ 159 /* 160 * Blocking I/O is enabled on any TCP type socket by default. For the UDP 161 * model if this is turned on then the socket buffer is shared for send 162 * resources amongst all associations. The default for the UDP model is that 163 * is SS_NBIO is set. Which means all associations have a separate send 164 * limit BUT they will NOT ever BLOCK instead you will get an error back 165 * EAGAIN if you try to send too much. If you want the blocking semantics you 166 * set this option at the cost of sharing one socket send buffer size amongst 167 * all associations. Peeled off sockets turn this option off and block. But 168 * since both TCP and peeled off sockets have only one assoc per socket this 169 * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP 170 * model OR peeled off UDP model, but we do allow you to do so. You just use 171 * the normal syscall to toggle SS_NBIO the way you want. 172 * 173 * Blocking I/O is controlled by the SS_NBIO flag on the socket state so_state 174 * field. 175 */ 176 177 #define SCTP_ENABLE_STREAM_RESET 0x00000900 /* struct sctp_assoc_value */ 178 #define SCTP_RESET_STREAMS 0x00000901 /* struct sctp_reset_streams */ 179 #define SCTP_RESET_ASSOC 0x00000902 /* sctp_assoc_t */ 180 #define SCTP_ADD_STREAMS 0x00000903 /* struct sctp_add_streams */ 181 182 /* For enable stream reset */ 183 #define SCTP_ENABLE_RESET_STREAM_REQ 0x00000001 184 #define SCTP_ENABLE_RESET_ASSOC_REQ 0x00000002 185 #define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x00000004 186 #define SCTP_ENABLE_VALUE_MASK 0x00000007 187 /* For reset streams */ 188 #define SCTP_STREAM_RESET_INCOMING 0x00000001 189 #define SCTP_STREAM_RESET_OUTGOING 0x00000002 190 191 192 /* here on down are more implementation specific */ 193 #define SCTP_SET_DEBUG_LEVEL 0x00001005 194 #define SCTP_CLR_STAT_LOG 0x00001007 195 /* CMT ON/OFF socket option */ 196 #define SCTP_CMT_ON_OFF 0x00001200 197 #define SCTP_CMT_USE_DAC 0x00001201 198 /* JRS - Pluggable Congestion Control Socket option */ 199 #define SCTP_PLUGGABLE_CC 0x00001202 200 /* RS - Pluggable Stream Scheduling Socket option */ 201 #define SCTP_PLUGGABLE_SS 0x00001203 202 #define SCTP_SS_VALUE 0x00001204 203 #define SCTP_CC_OPTION 0x00001205 /* Options for CC modules */ 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 #if defined(__APPLE__) 284 /* temporary workaround for Apple listen() issue, no args used */ 285 #define SCTP_LISTEN_FIX 0x0000800c 286 #endif 287 #if defined(__Windows__) 288 /* workaround for Cygwin on Windows: returns the SOCKET handle */ 289 #define SCTP_GET_HANDLE 0x0000800d 290 #endif 291 /* Debug things that need to be purged */ 292 #define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00 293 294 /* JRS - Supported congestion control modules for pluggable 295 * congestion control 296 */ 297 /* Standard TCP Congestion Control */ 298 #define SCTP_CC_RFC2581 0x00000000 299 /* High Speed TCP Congestion Control (Floyd) */ 300 #define SCTP_CC_HSTCP 0x00000001 301 /* HTCP Congestion Control */ 302 #define SCTP_CC_HTCP 0x00000002 303 /* RTCC Congestion Control - RFC2581 plus */ 304 #define SCTP_CC_RTCC 0x00000003 305 306 #define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 307 #define SCTP_CC_OPT_USE_DCCC_ECN 0x00002001 308 #define SCTP_CC_OPT_STEADY_STEP 0x00002002 309 310 #define SCTP_CMT_OFF 0 311 #define SCTP_CMT_BASE 1 312 #define SCTP_CMT_RPV1 2 313 #define SCTP_CMT_RPV2 3 314 #define SCTP_CMT_MPTCP 4 315 #define SCTP_CMT_MAX SCTP_CMT_MPTCP 316 317 /* RS - Supported stream scheduling modules for pluggable 318 * stream scheduling 319 */ 320 /* Default simple round-robin */ 321 #define SCTP_SS_DEFAULT 0x00000000 322 /* Real round-robin */ 323 #define SCTP_SS_ROUND_ROBIN 0x00000001 324 /* Real round-robin per packet */ 325 #define SCTP_SS_ROUND_ROBIN_PACKET 0x00000002 326 /* Priority */ 327 #define SCTP_SS_PRIORITY 0x00000003 328 /* Fair Bandwidth */ 329 #define SCTP_SS_FAIR_BANDWITH 0x00000004 330 /* First-come, first-serve */ 331 #define SCTP_SS_FIRST_COME 0x00000005 332 333 334 /* fragment interleave constants 335 * setting must be one of these or 336 * EINVAL returned. 337 */ 338 #define SCTP_FRAG_LEVEL_0 0x00000000 339 #define SCTP_FRAG_LEVEL_1 0x00000001 340 #define SCTP_FRAG_LEVEL_2 0x00000002 341 342 /* 343 * user state values 344 */ 345 #define SCTP_CLOSED 0x0000 346 #define SCTP_BOUND 0x1000 347 #define SCTP_LISTEN 0x2000 348 #define SCTP_COOKIE_WAIT 0x0002 349 #define SCTP_COOKIE_ECHOED 0x0004 350 #define SCTP_ESTABLISHED 0x0008 351 #define SCTP_SHUTDOWN_SENT 0x0010 352 #define SCTP_SHUTDOWN_RECEIVED 0x0020 353 #define SCTP_SHUTDOWN_ACK_SENT 0x0040 354 #define SCTP_SHUTDOWN_PENDING 0x0080 355 356 /* 357 * SCTP operational error codes (user visible) 358 */ 359 #define SCTP_CAUSE_NO_ERROR 0x0000 360 #define SCTP_CAUSE_INVALID_STREAM 0x0001 361 #define SCTP_CAUSE_MISSING_PARAM 0x0002 362 #define SCTP_CAUSE_STALE_COOKIE 0x0003 363 #define SCTP_CAUSE_OUT_OF_RESC 0x0004 364 #define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005 365 #define SCTP_CAUSE_UNRECOG_CHUNK 0x0006 366 #define SCTP_CAUSE_INVALID_PARAM 0x0007 367 #define SCTP_CAUSE_UNRECOG_PARAM 0x0008 368 #define SCTP_CAUSE_NO_USER_DATA 0x0009 369 #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a 370 #define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b 371 #define SCTP_CAUSE_USER_INITIATED_ABT 0x000c 372 #define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d 373 374 /* Error causes from RFC5061 */ 375 #define SCTP_CAUSE_DELETING_LAST_ADDR 0x00a0 376 #define SCTP_CAUSE_RESOURCE_SHORTAGE 0x00a1 377 #define SCTP_CAUSE_DELETING_SRC_ADDR 0x00a2 378 #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x00a3 379 #define SCTP_CAUSE_REQUEST_REFUSED 0x00a4 380 381 /* Error causes from nat-draft */ 382 #define SCTP_CAUSE_NAT_COLLIDING_STATE 0x00b0 383 #define SCTP_CAUSE_NAT_MISSING_STATE 0x00b1 384 385 /* Error causes from RFC4895 */ 386 #define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105 387 388 /* 389 * error cause parameters (user visible) 390 */ 391 struct sctp_gen_error_cause { 392 uint16_t code; 393 uint16_t length; 394 uint8_t info[]; 395 } SCTP_PACKED; 396 397 struct sctp_error_cause { 398 uint16_t code; 399 uint16_t length; 400 /* optional cause-specific info may follow */ 401 } SCTP_PACKED; 402 403 struct sctp_error_invalid_stream { 404 struct sctp_error_cause cause; /* code=SCTP_ERROR_INVALID_STREAM */ 405 uint16_t stream_id; /* stream id of the DATA in error */ 406 uint16_t reserved; 407 } SCTP_PACKED; 408 409 struct sctp_error_missing_param { 410 struct sctp_error_cause cause; /* code=SCTP_ERROR_MISSING_PARAM */ 411 uint32_t num_missing_params; /* number of missing parameters */ 412 /* uint16_t param_type's follow */ 413 } SCTP_PACKED; 414 415 struct sctp_error_stale_cookie { 416 struct sctp_error_cause cause; /* code=SCTP_ERROR_STALE_COOKIE */ 417 uint32_t stale_time; /* time in usec of staleness */ 418 } SCTP_PACKED; 419 420 struct sctp_error_out_of_resource { 421 struct sctp_error_cause cause; /* code=SCTP_ERROR_OUT_OF_RESOURCES */ 422 } SCTP_PACKED; 423 424 struct sctp_error_unresolv_addr { 425 struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */ 426 427 } SCTP_PACKED; 428 429 struct sctp_error_unrecognized_chunk { 430 struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRECOG_CHUNK */ 431 struct sctp_chunkhdr ch;/* header from chunk in error */ 432 } SCTP_PACKED; 433 434 struct sctp_error_no_user_data { 435 struct sctp_error_cause cause; /* code=SCTP_CAUSE_NO_USER_DATA */ 436 uint32_t tsn; /* TSN of the empty data chunk */ 437 } SCTP_PACKED; 438 439 /* 440 * Main SCTP chunk types we place these here so natd and f/w's in user land 441 * can find them. 442 */ 443 /************0x00 series ***********/ 444 #define SCTP_DATA 0x00 445 #define SCTP_INITIATION 0x01 446 #define SCTP_INITIATION_ACK 0x02 447 #define SCTP_SELECTIVE_ACK 0x03 448 #define SCTP_HEARTBEAT_REQUEST 0x04 449 #define SCTP_HEARTBEAT_ACK 0x05 450 #define SCTP_ABORT_ASSOCIATION 0x06 451 #define SCTP_SHUTDOWN 0x07 452 #define SCTP_SHUTDOWN_ACK 0x08 453 #define SCTP_OPERATION_ERROR 0x09 454 #define SCTP_COOKIE_ECHO 0x0a 455 #define SCTP_COOKIE_ACK 0x0b 456 #define SCTP_ECN_ECHO 0x0c 457 #define SCTP_ECN_CWR 0x0d 458 #define SCTP_SHUTDOWN_COMPLETE 0x0e 459 /* RFC4895 */ 460 #define SCTP_AUTHENTICATION 0x0f 461 /* EY nr_sack chunk id*/ 462 #define SCTP_NR_SELECTIVE_ACK 0x10 463 /************0x40 series ***********/ 464 /************0x80 series ***********/ 465 /* RFC5061 */ 466 #define SCTP_ASCONF_ACK 0x80 467 /* draft-ietf-stewart-pktdrpsctp */ 468 #define SCTP_PACKET_DROPPED 0x81 469 /* draft-ietf-stewart-strreset-xxx */ 470 #define SCTP_STREAM_RESET 0x82 471 472 /* RFC4820 */ 473 #define SCTP_PAD_CHUNK 0x84 474 /************0xc0 series ***********/ 475 /* RFC3758 */ 476 #define SCTP_FORWARD_CUM_TSN 0xc0 477 /* RFC5061 */ 478 #define SCTP_ASCONF 0xc1 479 480 481 /* ABORT and SHUTDOWN COMPLETE FLAG */ 482 #define SCTP_HAD_NO_TCB 0x01 483 484 /* Packet dropped flags */ 485 #define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB 486 #define SCTP_BADCRC 0x02 487 #define SCTP_PACKET_TRUNCATED 0x04 488 489 /* Flag for ECN -CWR */ 490 #define SCTP_CWR_REDUCE_OVERRIDE 0x01 491 #define SCTP_CWR_IN_SAME_WINDOW 0x02 492 493 #define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite 494 * time */ 495 #define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst 496 * in sat */ 497 498 /* Data Chuck Specific Flags */ 499 #define SCTP_DATA_FRAG_MASK 0x03 500 #define SCTP_DATA_MIDDLE_FRAG 0x00 501 #define SCTP_DATA_LAST_FRAG 0x01 502 #define SCTP_DATA_FIRST_FRAG 0x02 503 #define SCTP_DATA_NOT_FRAG 0x03 504 #define SCTP_DATA_UNORDERED 0x04 505 #define SCTP_DATA_SACK_IMMEDIATELY 0x08 506 /* ECN Nonce: SACK Chunk Specific Flags */ 507 #define SCTP_SACK_NONCE_SUM 0x01 508 509 /* CMT DAC algorithm SACK flag */ 510 #define SCTP_SACK_CMT_DAC 0x80 511 512 /* 513 * PCB flags (in sctp_flags bitmask). 514 * Note the features and flags are meant 515 * for use by netstat. 516 */ 517 #define SCTP_PCB_FLAGS_UDPTYPE 0x00000001 518 #define SCTP_PCB_FLAGS_TCPTYPE 0x00000002 519 #define SCTP_PCB_FLAGS_BOUNDALL 0x00000004 520 #define SCTP_PCB_FLAGS_ACCEPTING 0x00000008 521 #define SCTP_PCB_FLAGS_UNBOUND 0x00000010 522 #define SCTP_PCB_FLAGS_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 #if defined(__Userspace__) 538 #define SCTP_PCB_FLAGS_BOUND_CONN 0x80000000 539 540 /* flags to copy to new PCB */ 541 #define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 542 SCTP_PCB_FLAGS_WAKEINPUT|\ 543 SCTP_PCB_FLAGS_BOUND_V6|\ 544 SCTP_PCB_FLAGS_BOUND_CONN) 545 #else 546 547 /* flags to copy to new PCB */ 548 #define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 549 SCTP_PCB_FLAGS_WAKEINPUT|\ 550 SCTP_PCB_FLAGS_BOUND_V6) 551 #endif 552 553 /* 554 * PCB Features (in sctp_features bitmask) 555 */ 556 #define SCTP_PCB_FLAGS_DO_NOT_PMTUD 0x0000000000000001 557 #define SCTP_PCB_FLAGS_EXT_RCVINFO 0x0000000000000002 /* deprecated */ 558 #define SCTP_PCB_FLAGS_DONOT_HEARTBEAT 0x0000000000000004 559 #define SCTP_PCB_FLAGS_FRAG_INTERLEAVE 0x0000000000000008 560 #define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x0000000000000010 561 #define SCTP_PCB_FLAGS_DO_ASCONF 0x0000000000000020 562 #define SCTP_PCB_FLAGS_AUTO_ASCONF 0x0000000000000040 563 #define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x0000000000000080 564 /* socket options */ 565 #define SCTP_PCB_FLAGS_NODELAY 0x0000000000000100 566 #define SCTP_PCB_FLAGS_AUTOCLOSE 0x0000000000000200 567 #define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x0000000000000400 /* deprecated */ 568 #define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x0000000000000800 569 #define SCTP_PCB_FLAGS_RECVPADDREVNT 0x0000000000001000 570 #define SCTP_PCB_FLAGS_RECVPEERERR 0x0000000000002000 571 #define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x0000000000004000 /* deprecated */ 572 #define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x0000000000008000 573 #define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x0000000000010000 574 #define SCTP_PCB_FLAGS_PDAPIEVNT 0x0000000000020000 575 #define SCTP_PCB_FLAGS_AUTHEVNT 0x0000000000040000 576 #define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x0000000000080000 577 #define SCTP_PCB_FLAGS_NO_FRAGMENT 0x0000000000100000 578 #define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x0000000000400000 579 #define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x0000000000800000 580 #define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x0000000001000000 581 #define SCTP_PCB_FLAGS_PORTREUSE 0x0000000002000000 582 #define SCTP_PCB_FLAGS_DRYEVNT 0x0000000004000000 583 #define SCTP_PCB_FLAGS_RECVRCVINFO 0x0000000008000000 584 #define SCTP_PCB_FLAGS_RECVNXTINFO 0x0000000010000000 585 #define SCTP_PCB_FLAGS_ASSOC_RESETEVNT 0x0000000020000000 586 #define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x0000000040000000 587 #define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x0000000080000000 588 589 /*- 590 * mobility_features parameters (by micchie).Note 591 * these features are applied against the 592 * sctp_mobility_features flags.. not the sctp_features 593 * flags. 594 */ 595 #define SCTP_MOBILITY_BASE 0x00000001 596 #define SCTP_MOBILITY_FASTHANDOFF 0x00000002 597 #define SCTP_MOBILITY_PRIM_DELETED 0x00000004 598 599 600 #define SCTP_SMALLEST_PMTU 512 /* smallest pmtu allowed when disabling PMTU discovery */ 601 602 #if defined(__Userspace_os_Windows) 603 #pragma pack() 604 #endif 605 #undef SCTP_PACKED 606 607 #include <netinet/sctp_uio.h> 608 609 /* This dictates the size of the packet 610 * collection buffer. This only applies 611 * if SCTP_PACKET_LOGGING is enabled in 612 * your config. 613 */ 614 #define SCTP_PACKET_LOG_SIZE 65536 615 616 /* Maximum delays and such a user can set for options that 617 * take ms. 618 */ 619 #define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */ 620 #define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */ 621 #define SCTP_MAX_COOKIE_LIFE 3600000 /* 1 hour in ms */ 622 623 624 /* Types of logging/KTR tracing that can be enabled via the 625 * sysctl net.inet.sctp.sctp_logging. You must also enable 626 * SUBSYS tracing. 627 * Note that you must have the SCTP option in the kernel 628 * to enable these as well. 629 */ 630 #define SCTP_BLK_LOGGING_ENABLE 0x00000001 631 #define SCTP_CWND_MONITOR_ENABLE 0x00000002 632 #define SCTP_CWND_LOGGING_ENABLE 0x00000004 633 #define SCTP_FLIGHT_LOGGING_ENABLE 0x00000020 634 #define SCTP_FR_LOGGING_ENABLE 0x00000040 635 #define SCTP_LOCK_LOGGING_ENABLE 0x00000080 636 #define SCTP_MAP_LOGGING_ENABLE 0x00000100 637 #define SCTP_MBCNT_LOGGING_ENABLE 0x00000200 638 #define SCTP_MBUF_LOGGING_ENABLE 0x00000400 639 #define SCTP_NAGLE_LOGGING_ENABLE 0x00000800 640 #define SCTP_RECV_RWND_LOGGING_ENABLE 0x00001000 641 #define SCTP_RTTVAR_LOGGING_ENABLE 0x00002000 642 #define SCTP_SACK_LOGGING_ENABLE 0x00004000 643 #define SCTP_SACK_RWND_LOGGING_ENABLE 0x00008000 644 #define SCTP_SB_LOGGING_ENABLE 0x00010000 645 #define SCTP_STR_LOGGING_ENABLE 0x00020000 646 #define SCTP_WAKE_LOGGING_ENABLE 0x00040000 647 #define SCTP_LOG_MAXBURST_ENABLE 0x00080000 648 #define SCTP_LOG_RWND_ENABLE 0x00100000 649 #define SCTP_LOG_SACK_ARRIVALS_ENABLE 0x00200000 650 #define SCTP_LTRACE_CHUNK_ENABLE 0x00400000 651 #define SCTP_LTRACE_ERROR_ENABLE 0x00800000 652 #define SCTP_LAST_PACKET_TRACING 0x01000000 653 #define SCTP_THRESHOLD_LOGGING 0x02000000 654 #define SCTP_LOG_AT_SEND_2_SCTP 0x04000000 655 #define SCTP_LOG_AT_SEND_2_OUTQ 0x08000000 656 #define SCTP_LOG_TRY_ADVANCE 0x10000000 657 658 #endif /* !_NETINET_SCTP_H_ */ 659