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 */ 50struct 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 */ 61struct 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 */ 71struct 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 */ 383struct sctp_gen_error_cause { 384 uint16_t code; 385 uint16_t length; 386 uint8_t info[]; 387} SCTP_PACKED; 388 389struct sctp_error_cause { 390 uint16_t code; 391 uint16_t length; 392 /* optional cause-specific info may follow */ 393} SCTP_PACKED; 394 395struct 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 401struct 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 407struct 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 412struct sctp_error_out_of_resource { 413 struct sctp_error_cause cause; /* code=SCTP_CAUSE_OUT_OF_RESOURCES */ 414} SCTP_PACKED; 415 416struct sctp_error_unresolv_addr { 417 struct sctp_error_cause cause; /* code=SCTP_CAUSE_UNRESOLVABLE_ADDR */ 418} SCTP_PACKED; 419 420struct 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 425struct 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 430struct 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_SND_ITERATOR_UP 0x00000020 520#define SCTP_PCB_FLAGS_CLOSE_IP 0x00040000 521#define SCTP_PCB_FLAGS_WAS_CONNECTED 0x00080000 522#define SCTP_PCB_FLAGS_WAS_ABORTED 0x00100000 523/* TCP model support */ 524 525#define SCTP_PCB_FLAGS_CONNECTED 0x00200000 526#define SCTP_PCB_FLAGS_IN_TCPPOOL 0x00400000 527#define SCTP_PCB_FLAGS_DONT_WAKE 0x00800000 528#define SCTP_PCB_FLAGS_WAKEOUTPUT 0x01000000 529#define SCTP_PCB_FLAGS_WAKEINPUT 0x02000000 530#define SCTP_PCB_FLAGS_BOUND_V6 0x04000000 531#define SCTP_PCB_FLAGS_BLOCKING_IO 0x08000000 532#define SCTP_PCB_FLAGS_SOCKET_GONE 0x10000000 533#define SCTP_PCB_FLAGS_SOCKET_ALLGONE 0x20000000 534#define SCTP_PCB_FLAGS_SOCKET_CANT_READ 0x40000000 535 536/* flags to copy to new PCB */ 537#define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 538 SCTP_PCB_FLAGS_WAKEINPUT|\ 539 SCTP_PCB_FLAGS_BOUND_V6) 540 541/* 542 * PCB Features (in sctp_features bitmask) 543 */ 544#define SCTP_PCB_FLAGS_DO_NOT_PMTUD 0x0000000000000001 545#define SCTP_PCB_FLAGS_EXT_RCVINFO 0x0000000000000002 /* deprecated */ 546#define SCTP_PCB_FLAGS_DONOT_HEARTBEAT 0x0000000000000004 547#define SCTP_PCB_FLAGS_FRAG_INTERLEAVE 0x0000000000000008 548#define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x0000000000000010 549#define SCTP_PCB_FLAGS_DO_ASCONF 0x0000000000000020 550#define SCTP_PCB_FLAGS_AUTO_ASCONF 0x0000000000000040 551/* socket options */ 552#define SCTP_PCB_FLAGS_NODELAY 0x0000000000000100 553#define SCTP_PCB_FLAGS_AUTOCLOSE 0x0000000000000200 554#define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x0000000000000400 /* deprecated */ 555#define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x0000000000000800 556#define SCTP_PCB_FLAGS_RECVPADDREVNT 0x0000000000001000 557#define SCTP_PCB_FLAGS_RECVPEERERR 0x0000000000002000 558#define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x0000000000004000 /* deprecated */ 559#define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x0000000000008000 560#define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x0000000000010000 561#define SCTP_PCB_FLAGS_PDAPIEVNT 0x0000000000020000 562#define SCTP_PCB_FLAGS_AUTHEVNT 0x0000000000040000 563#define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x0000000000080000 564#define SCTP_PCB_FLAGS_NO_FRAGMENT 0x0000000000100000 565#define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x0000000000400000 566#define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x0000000000800000 567#define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x0000000001000000 568#define SCTP_PCB_FLAGS_PORTREUSE 0x0000000002000000 569#define SCTP_PCB_FLAGS_DRYEVNT 0x0000000004000000 570#define SCTP_PCB_FLAGS_RECVRCVINFO 0x0000000008000000 571#define SCTP_PCB_FLAGS_RECVNXTINFO 0x0000000010000000 572#define SCTP_PCB_FLAGS_ASSOC_RESETEVNT 0x0000000020000000 573#define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x0000000040000000 574#define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x0000000080000000 575 576/*- 577 * mobility_features parameters (by micchie).Note 578 * these features are applied against the 579 * sctp_mobility_features flags.. not the sctp_features 580 * flags. 581 */ 582#define SCTP_MOBILITY_BASE 0x00000001 583#define SCTP_MOBILITY_FASTHANDOFF 0x00000002 584#define SCTP_MOBILITY_PRIM_DELETED 0x00000004 585 586 587/* Smallest PMTU allowed when disabling PMTU discovery */ 588#define SCTP_SMALLEST_PMTU 512 589/* Largest PMTU allowed when disabling PMTU discovery */ 590#define SCTP_LARGEST_PMTU 65536 591 592#undef SCTP_PACKED 593 594#include <netinet/sctp_uio.h> 595 596/* This dictates the size of the packet 597 * collection buffer. This only applies 598 * if SCTP_PACKET_LOGGING is enabled in 599 * your config. 600 */ 601#define SCTP_PACKET_LOG_SIZE 65536 602 603/* Maximum delays and such a user can set for options that 604 * take ms. 605 */ 606#define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */ 607#define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */ 608#define SCTP_MIN_COOKIE_LIFE 1000 /* 1 second in ms */ 609#define SCTP_MAX_COOKIE_LIFE 3600000 /* 1 hour in ms */ 610 611 612/* Types of logging/KTR tracing that can be enabled via the 613 * sysctl net.inet.sctp.sctp_logging. You must also enable 614 * SUBSYS tracing. 615 * Note that you must have the SCTP option in the kernel 616 * to enable these as well. 617 */ 618#define SCTP_BLK_LOGGING_ENABLE 0x00000001 619#define SCTP_CWND_MONITOR_ENABLE 0x00000002 620#define SCTP_CWND_LOGGING_ENABLE 0x00000004 621#define SCTP_FLIGHT_LOGGING_ENABLE 0x00000020 622#define SCTP_FR_LOGGING_ENABLE 0x00000040 623#define SCTP_LOCK_LOGGING_ENABLE 0x00000080 624#define SCTP_MAP_LOGGING_ENABLE 0x00000100 625#define SCTP_MBCNT_LOGGING_ENABLE 0x00000200 626#define SCTP_MBUF_LOGGING_ENABLE 0x00000400 627#define SCTP_NAGLE_LOGGING_ENABLE 0x00000800 628#define SCTP_RECV_RWND_LOGGING_ENABLE 0x00001000 629#define SCTP_RTTVAR_LOGGING_ENABLE 0x00002000 630#define SCTP_SACK_LOGGING_ENABLE 0x00004000 631#define SCTP_SACK_RWND_LOGGING_ENABLE 0x00008000 632#define SCTP_SB_LOGGING_ENABLE 0x00010000 633#define SCTP_STR_LOGGING_ENABLE 0x00020000 634#define SCTP_WAKE_LOGGING_ENABLE 0x00040000 635#define SCTP_LOG_MAXBURST_ENABLE 0x00080000 636#define SCTP_LOG_RWND_ENABLE 0x00100000 637#define SCTP_LOG_SACK_ARRIVALS_ENABLE 0x00200000 638#define SCTP_LTRACE_CHUNK_ENABLE 0x00400000 639#define SCTP_LTRACE_ERROR_ENABLE 0x00800000 640#define SCTP_LAST_PACKET_TRACING 0x01000000 641#define SCTP_THRESHOLD_LOGGING 0x02000000 642#define SCTP_LOG_AT_SEND_2_SCTP 0x04000000 643#define SCTP_LOG_AT_SEND_2_OUTQ 0x08000000 644#define SCTP_LOG_TRY_ADVANCE 0x10000000 645 646#endif /* !_NETINET_SCTP_H_ */ 647