sctp.h revision 302408
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#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/11/sys/netinet/sctp.h 297662 2016-04-07 09:10:34Z rrs $"); 35 36#ifndef _NETINET_SCTP_H_ 37#define _NETINET_SCTP_H_ 38 39 40#include <sys/types.h> 41 42 43#define SCTP_PACKED __attribute__((packed)) 44 45/* 46 * SCTP protocol - RFC4960. 47 */ 48struct 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 */ 59struct 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 */ 69struct 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 184 185 186/* here on down are more implementation specific */ 187#define SCTP_SET_DEBUG_LEVEL 0x00001005 188#define SCTP_CLR_STAT_LOG 0x00001007 189/* CMT ON/OFF socket option */ 190#define SCTP_CMT_ON_OFF 0x00001200 191#define SCTP_CMT_USE_DAC 0x00001201 192/* JRS - Pluggable Congestion Control Socket option */ 193#define SCTP_PLUGGABLE_CC 0x00001202 194/* RS - Pluggable Stream Scheduling Socket option */ 195#define SCTP_PLUGGABLE_SS 0x00001203 196#define SCTP_SS_VALUE 0x00001204 197#define SCTP_CC_OPTION 0x00001205 /* Options for CC 198 * modules */ 199/* For I-DATA */ 200#define SCTP_INTERLEAVING_SUPPORTED 0x00001206 201 202/* read only */ 203#define SCTP_GET_SNDBUF_USE 0x00001101 204#define SCTP_GET_STAT_LOG 0x00001103 205#define SCTP_PCB_STATUS 0x00001104 206#define SCTP_GET_NONCE_VALUES 0x00001105 207 208 209/* Special hook for dynamically setting primary for all assoc's, 210 * this is a write only option that requires root privilege. 211 */ 212#define SCTP_SET_DYNAMIC_PRIMARY 0x00002001 213 214/* VRF (virtual router feature) and multi-VRF support 215 * options. VRF's provide splits within a router 216 * that give the views of multiple routers. A 217 * standard host, without VRF support, is just 218 * a single VRF. If VRF's are supported then 219 * the transport must be VRF aware. This means 220 * that every socket call coming in must be directed 221 * within the endpoint to one of the VRF's it belongs 222 * to. The endpoint, before binding, may select 223 * the "default" VRF it is in by using a set socket 224 * option with SCTP_VRF_ID. This will also 225 * get propagated to the default VRF. Once the 226 * endpoint binds an address then it CANNOT add 227 * additional VRF's to become a Multi-VRF endpoint. 228 * 229 * Before BINDING additional VRF's can be added with 230 * the SCTP_ADD_VRF_ID call or deleted with 231 * SCTP_DEL_VRF_ID. 232 * 233 * Associations are ALWAYS contained inside a single 234 * VRF. They cannot reside in two (or more) VRF's. Incoming 235 * packets, assuming the router is VRF aware, can always 236 * tell us what VRF they arrived on. A host not supporting 237 * any VRF's will find that the packets always arrived on the 238 * single VRF that the host has. 239 * 240 */ 241 242#define SCTP_VRF_ID 0x00003001 243#define SCTP_ADD_VRF_ID 0x00003002 244#define SCTP_GET_VRF_IDS 0x00003003 245#define SCTP_GET_ASOC_VRF 0x00003004 246#define SCTP_DEL_VRF_ID 0x00003005 247 248/* 249 * If you enable packet logging you can get 250 * a poor mans ethereal output in binary 251 * form. Note this is a compile option to 252 * the kernel, SCTP_PACKET_LOGGING, and 253 * without it in your kernel you 254 * will get a EOPNOTSUPP 255 */ 256#define SCTP_GET_PACKET_LOG 0x00004001 257 258/* 259 * hidden implementation specific options these are NOT user visible (should 260 * move out of sctp.h) 261 */ 262/* sctp_bindx() flags as hidden socket options */ 263#define SCTP_BINDX_ADD_ADDR 0x00008001 264#define SCTP_BINDX_REM_ADDR 0x00008002 265/* Hidden socket option that gets the addresses */ 266#define SCTP_GET_PEER_ADDRESSES 0x00008003 267#define SCTP_GET_LOCAL_ADDRESSES 0x00008004 268/* return the total count in bytes needed to hold all local addresses bound */ 269#define SCTP_GET_LOCAL_ADDR_SIZE 0x00008005 270/* Return the total count in bytes needed to hold the remote address */ 271#define SCTP_GET_REMOTE_ADDR_SIZE 0x00008006 272/* hidden option for connectx */ 273#define SCTP_CONNECT_X 0x00008007 274/* hidden option for connectx_delayed, part of sendx */ 275#define SCTP_CONNECT_X_DELAYED 0x00008008 276#define SCTP_CONNECT_X_COMPLETE 0x00008009 277/* hidden socket option based sctp_peeloff */ 278#define SCTP_PEELOFF 0x0000800a 279/* the real worker for sctp_getaddrlen() */ 280#define SCTP_GET_ADDR_LEN 0x0000800b 281/* Debug things that need to be purged */ 282#define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00 283 284/* JRS - Supported congestion control modules for pluggable 285 * congestion control 286 */ 287/* Standard TCP Congestion Control */ 288#define SCTP_CC_RFC2581 0x00000000 289/* High Speed TCP Congestion Control (Floyd) */ 290#define SCTP_CC_HSTCP 0x00000001 291/* HTCP Congestion Control */ 292#define SCTP_CC_HTCP 0x00000002 293/* RTCC Congestion Control - RFC2581 plus */ 294#define SCTP_CC_RTCC 0x00000003 295 296#define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 297#define SCTP_CC_OPT_USE_DCCC_ECN 0x00002001 298#define SCTP_CC_OPT_STEADY_STEP 0x00002002 299 300#define SCTP_CMT_OFF 0 301#define SCTP_CMT_BASE 1 302#define SCTP_CMT_RPV1 2 303#define SCTP_CMT_RPV2 3 304#define SCTP_CMT_MPTCP 4 305#define SCTP_CMT_MAX SCTP_CMT_MPTCP 306 307/* RS - Supported stream scheduling modules for pluggable 308 * stream scheduling 309 */ 310/* Default simple round-robin */ 311#define SCTP_SS_DEFAULT 0x00000000 312/* Real round-robin */ 313#define SCTP_SS_ROUND_ROBIN 0x00000001 314/* Real round-robin per packet */ 315#define SCTP_SS_ROUND_ROBIN_PACKET 0x00000002 316/* Priority */ 317#define SCTP_SS_PRIORITY 0x00000003 318/* Fair Bandwidth */ 319#define SCTP_SS_FAIR_BANDWITH 0x00000004 320/* First-come, first-serve */ 321#define SCTP_SS_FIRST_COME 0x00000005 322 323 324/* fragment interleave constants 325 * setting must be one of these or 326 * EINVAL returned. 327 */ 328#define SCTP_FRAG_LEVEL_0 0x00000000 329#define SCTP_FRAG_LEVEL_1 0x00000001 330#define SCTP_FRAG_LEVEL_2 0x00000002 331 332/* 333 * user state values 334 */ 335#define SCTP_CLOSED 0x0000 336#define SCTP_BOUND 0x1000 337#define SCTP_LISTEN 0x2000 338#define SCTP_COOKIE_WAIT 0x0002 339#define SCTP_COOKIE_ECHOED 0x0004 340#define SCTP_ESTABLISHED 0x0008 341#define SCTP_SHUTDOWN_SENT 0x0010 342#define SCTP_SHUTDOWN_RECEIVED 0x0020 343#define SCTP_SHUTDOWN_ACK_SENT 0x0040 344#define SCTP_SHUTDOWN_PENDING 0x0080 345 346/* 347 * SCTP operational error codes (user visible) 348 */ 349#define SCTP_CAUSE_NO_ERROR 0x0000 350#define SCTP_CAUSE_INVALID_STREAM 0x0001 351#define SCTP_CAUSE_MISSING_PARAM 0x0002 352#define SCTP_CAUSE_STALE_COOKIE 0x0003 353#define SCTP_CAUSE_OUT_OF_RESC 0x0004 354#define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005 355#define SCTP_CAUSE_UNRECOG_CHUNK 0x0006 356#define SCTP_CAUSE_INVALID_PARAM 0x0007 357#define SCTP_CAUSE_UNRECOG_PARAM 0x0008 358#define SCTP_CAUSE_NO_USER_DATA 0x0009 359#define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a 360#define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b 361#define SCTP_CAUSE_USER_INITIATED_ABT 0x000c 362#define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d 363 364/* Error causes from RFC5061 */ 365#define SCTP_CAUSE_DELETING_LAST_ADDR 0x00a0 366#define SCTP_CAUSE_RESOURCE_SHORTAGE 0x00a1 367#define SCTP_CAUSE_DELETING_SRC_ADDR 0x00a2 368#define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x00a3 369#define SCTP_CAUSE_REQUEST_REFUSED 0x00a4 370 371/* Error causes from nat-draft */ 372#define SCTP_CAUSE_NAT_COLLIDING_STATE 0x00b0 373#define SCTP_CAUSE_NAT_MISSING_STATE 0x00b1 374 375/* Error causes from RFC4895 */ 376#define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105 377 378/* 379 * error cause parameters (user visible) 380 */ 381struct sctp_gen_error_cause { 382 uint16_t code; 383 uint16_t length; 384 uint8_t info[]; 385} SCTP_PACKED; 386 387struct sctp_error_cause { 388 uint16_t code; 389 uint16_t length; 390 /* optional cause-specific info may follow */ 391} SCTP_PACKED; 392 393struct sctp_error_invalid_stream { 394 struct sctp_error_cause cause; /* code=SCTP_CAUSE_INVALID_STREAM */ 395 uint16_t stream_id; /* stream id of the DATA in error */ 396 uint16_t reserved; 397} SCTP_PACKED; 398 399struct sctp_error_missing_param { 400 struct sctp_error_cause cause; /* code=SCTP_CAUSE_MISSING_PARAM */ 401 uint32_t num_missing_params; /* number of missing parameters */ 402 uint16_t type[]; 403} SCTP_PACKED; 404 405struct sctp_error_stale_cookie { 406 struct sctp_error_cause cause; /* code=SCTP_CAUSE_STALE_COOKIE */ 407 uint32_t stale_time; /* time in usec of staleness */ 408} SCTP_PACKED; 409 410struct sctp_error_out_of_resource { 411 struct sctp_error_cause cause; /* code=SCTP_CAUSE_OUT_OF_RESOURCES */ 412} SCTP_PACKED; 413 414struct sctp_error_unresolv_addr { 415 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNRESOLVABLE_ADDR */ 416} SCTP_PACKED; 417 418struct sctp_error_unrecognized_chunk { 419 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNRECOG_CHUNK */ 420 struct sctp_chunkhdr ch;/* header from chunk in error */ 421} SCTP_PACKED; 422 423struct sctp_error_no_user_data { 424 struct sctp_error_cause cause; /* code=SCTP_CAUSE_NO_USER_DATA */ 425 uint32_t tsn; /* TSN of the empty data chunk */ 426} SCTP_PACKED; 427 428struct sctp_error_auth_invalid_hmac { 429 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNSUPPORTED_HMACID */ 430 uint16_t hmac_id; 431} SCTP_PACKED; 432 433/* 434 * Main SCTP chunk types we place these here so natd and f/w's in user land 435 * can find them. 436 */ 437/************0x00 series ***********/ 438#define SCTP_DATA 0x00 439#define SCTP_INITIATION 0x01 440#define SCTP_INITIATION_ACK 0x02 441#define SCTP_SELECTIVE_ACK 0x03 442#define SCTP_HEARTBEAT_REQUEST 0x04 443#define SCTP_HEARTBEAT_ACK 0x05 444#define SCTP_ABORT_ASSOCIATION 0x06 445#define SCTP_SHUTDOWN 0x07 446#define SCTP_SHUTDOWN_ACK 0x08 447#define SCTP_OPERATION_ERROR 0x09 448#define SCTP_COOKIE_ECHO 0x0a 449#define SCTP_COOKIE_ACK 0x0b 450#define SCTP_ECN_ECHO 0x0c 451#define SCTP_ECN_CWR 0x0d 452#define SCTP_SHUTDOWN_COMPLETE 0x0e 453/* RFC4895 */ 454#define SCTP_AUTHENTICATION 0x0f 455/* EY nr_sack chunk id*/ 456#define SCTP_NR_SELECTIVE_ACK 0x10 457/************0x40 series ***********/ 458#define SCTP_IDATA 0x40 459/************0x80 series ***********/ 460/* RFC5061 */ 461#define SCTP_ASCONF_ACK 0x80 462/* draft-ietf-stewart-pktdrpsctp */ 463#define SCTP_PACKET_DROPPED 0x81 464/* draft-ietf-stewart-strreset-xxx */ 465#define SCTP_STREAM_RESET 0x82 466 467/* RFC4820 */ 468#define SCTP_PAD_CHUNK 0x84 469/************0xc0 series ***********/ 470/* RFC3758 */ 471#define SCTP_FORWARD_CUM_TSN 0xc0 472/* RFC5061 */ 473#define SCTP_ASCONF 0xc1 474#define SCTP_IFORWARD_CUM_TSN 0xc2 475 476/* ABORT and SHUTDOWN COMPLETE FLAG */ 477#define SCTP_HAD_NO_TCB 0x01 478 479/* Packet dropped flags */ 480#define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB 481#define SCTP_BADCRC 0x02 482#define SCTP_PACKET_TRUNCATED 0x04 483 484/* Flag for ECN -CWR */ 485#define SCTP_CWR_REDUCE_OVERRIDE 0x01 486#define SCTP_CWR_IN_SAME_WINDOW 0x02 487 488#define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite 489 * time */ 490#define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst 491 * in sat */ 492 493/* Data Chuck Specific Flags */ 494#define SCTP_DATA_FRAG_MASK 0x03 495#define SCTP_DATA_MIDDLE_FRAG 0x00 496#define SCTP_DATA_LAST_FRAG 0x01 497#define SCTP_DATA_FIRST_FRAG 0x02 498#define SCTP_DATA_NOT_FRAG 0x03 499#define SCTP_DATA_UNORDERED 0x04 500#define SCTP_DATA_SACK_IMMEDIATELY 0x08 501/* ECN Nonce: SACK Chunk Specific Flags */ 502#define SCTP_SACK_NONCE_SUM 0x01 503 504/* CMT DAC algorithm SACK flag */ 505#define SCTP_SACK_CMT_DAC 0x80 506 507/* 508 * PCB flags (in sctp_flags bitmask). 509 * Note the features and flags are meant 510 * for use by netstat. 511 */ 512#define SCTP_PCB_FLAGS_UDPTYPE 0x00000001 513#define SCTP_PCB_FLAGS_TCPTYPE 0x00000002 514#define SCTP_PCB_FLAGS_BOUNDALL 0x00000004 515#define SCTP_PCB_FLAGS_ACCEPTING 0x00000008 516#define SCTP_PCB_FLAGS_UNBOUND 0x00000010 517#define SCTP_PCB_FLAGS_CLOSE_IP 0x00040000 518#define SCTP_PCB_FLAGS_WAS_CONNECTED 0x00080000 519#define SCTP_PCB_FLAGS_WAS_ABORTED 0x00100000 520/* TCP model support */ 521 522#define SCTP_PCB_FLAGS_CONNECTED 0x00200000 523#define SCTP_PCB_FLAGS_IN_TCPPOOL 0x00400000 524#define SCTP_PCB_FLAGS_DONT_WAKE 0x00800000 525#define SCTP_PCB_FLAGS_WAKEOUTPUT 0x01000000 526#define SCTP_PCB_FLAGS_WAKEINPUT 0x02000000 527#define SCTP_PCB_FLAGS_BOUND_V6 0x04000000 528#define SCTP_PCB_FLAGS_BLOCKING_IO 0x08000000 529#define SCTP_PCB_FLAGS_SOCKET_GONE 0x10000000 530#define SCTP_PCB_FLAGS_SOCKET_ALLGONE 0x20000000 531#define SCTP_PCB_FLAGS_SOCKET_CANT_READ 0x40000000 532 533/* flags to copy to new PCB */ 534#define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 535 SCTP_PCB_FLAGS_WAKEINPUT|\ 536 SCTP_PCB_FLAGS_BOUND_V6) 537 538/* 539 * PCB Features (in sctp_features bitmask) 540 */ 541#define SCTP_PCB_FLAGS_DO_NOT_PMTUD 0x0000000000000001 542#define SCTP_PCB_FLAGS_EXT_RCVINFO 0x0000000000000002 /* deprecated */ 543#define SCTP_PCB_FLAGS_DONOT_HEARTBEAT 0x0000000000000004 544#define SCTP_PCB_FLAGS_FRAG_INTERLEAVE 0x0000000000000008 545#define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x0000000000000010 546#define SCTP_PCB_FLAGS_DO_ASCONF 0x0000000000000020 547#define SCTP_PCB_FLAGS_AUTO_ASCONF 0x0000000000000040 548#define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x0000000000000080 549/* socket options */ 550#define SCTP_PCB_FLAGS_NODELAY 0x0000000000000100 551#define SCTP_PCB_FLAGS_AUTOCLOSE 0x0000000000000200 552#define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x0000000000000400 /* deprecated */ 553#define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x0000000000000800 554#define SCTP_PCB_FLAGS_RECVPADDREVNT 0x0000000000001000 555#define SCTP_PCB_FLAGS_RECVPEERERR 0x0000000000002000 556#define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x0000000000004000 /* deprecated */ 557#define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x0000000000008000 558#define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x0000000000010000 559#define SCTP_PCB_FLAGS_PDAPIEVNT 0x0000000000020000 560#define SCTP_PCB_FLAGS_AUTHEVNT 0x0000000000040000 561#define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x0000000000080000 562#define SCTP_PCB_FLAGS_NO_FRAGMENT 0x0000000000100000 563#define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x0000000000400000 564#define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x0000000000800000 565#define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x0000000001000000 566#define SCTP_PCB_FLAGS_PORTREUSE 0x0000000002000000 567#define SCTP_PCB_FLAGS_DRYEVNT 0x0000000004000000 568#define SCTP_PCB_FLAGS_RECVRCVINFO 0x0000000008000000 569#define SCTP_PCB_FLAGS_RECVNXTINFO 0x0000000010000000 570#define SCTP_PCB_FLAGS_ASSOC_RESETEVNT 0x0000000020000000 571#define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x0000000040000000 572#define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x0000000080000000 573 574/*- 575 * mobility_features parameters (by micchie).Note 576 * these features are applied against the 577 * sctp_mobility_features flags.. not the sctp_features 578 * flags. 579 */ 580#define SCTP_MOBILITY_BASE 0x00000001 581#define SCTP_MOBILITY_FASTHANDOFF 0x00000002 582#define SCTP_MOBILITY_PRIM_DELETED 0x00000004 583 584 585#define SCTP_SMALLEST_PMTU 512 /* smallest pmtu allowed when disabling PMTU 586 * discovery */ 587 588#undef SCTP_PACKED 589 590#include <netinet/sctp_uio.h> 591 592/* This dictates the size of the packet 593 * collection buffer. This only applies 594 * if SCTP_PACKET_LOGGING is enabled in 595 * your config. 596 */ 597#define SCTP_PACKET_LOG_SIZE 65536 598 599/* Maximum delays and such a user can set for options that 600 * take ms. 601 */ 602#define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */ 603#define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */ 604#define SCTP_MAX_COOKIE_LIFE 3600000 /* 1 hour in ms */ 605 606 607/* Types of logging/KTR tracing that can be enabled via the 608 * sysctl net.inet.sctp.sctp_logging. You must also enable 609 * SUBSYS tracing. 610 * Note that you must have the SCTP option in the kernel 611 * to enable these as well. 612 */ 613#define SCTP_BLK_LOGGING_ENABLE 0x00000001 614#define SCTP_CWND_MONITOR_ENABLE 0x00000002 615#define SCTP_CWND_LOGGING_ENABLE 0x00000004 616#define SCTP_FLIGHT_LOGGING_ENABLE 0x00000020 617#define SCTP_FR_LOGGING_ENABLE 0x00000040 618#define SCTP_LOCK_LOGGING_ENABLE 0x00000080 619#define SCTP_MAP_LOGGING_ENABLE 0x00000100 620#define SCTP_MBCNT_LOGGING_ENABLE 0x00000200 621#define SCTP_MBUF_LOGGING_ENABLE 0x00000400 622#define SCTP_NAGLE_LOGGING_ENABLE 0x00000800 623#define SCTP_RECV_RWND_LOGGING_ENABLE 0x00001000 624#define SCTP_RTTVAR_LOGGING_ENABLE 0x00002000 625#define SCTP_SACK_LOGGING_ENABLE 0x00004000 626#define SCTP_SACK_RWND_LOGGING_ENABLE 0x00008000 627#define SCTP_SB_LOGGING_ENABLE 0x00010000 628#define SCTP_STR_LOGGING_ENABLE 0x00020000 629#define SCTP_WAKE_LOGGING_ENABLE 0x00040000 630#define SCTP_LOG_MAXBURST_ENABLE 0x00080000 631#define SCTP_LOG_RWND_ENABLE 0x00100000 632#define SCTP_LOG_SACK_ARRIVALS_ENABLE 0x00200000 633#define SCTP_LTRACE_CHUNK_ENABLE 0x00400000 634#define SCTP_LTRACE_ERROR_ENABLE 0x00800000 635#define SCTP_LAST_PACKET_TRACING 0x01000000 636#define SCTP_THRESHOLD_LOGGING 0x02000000 637#define SCTP_LOG_AT_SEND_2_SCTP 0x04000000 638#define SCTP_LOG_AT_SEND_2_OUTQ 0x08000000 639#define SCTP_LOG_TRY_ADVANCE 0x10000000 640 641#endif /* !_NETINET_SCTP_H_ */ 642