sctp.h revision 225635
1139823Simp/*- 254263Sshin * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 354263Sshin * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 454263Sshin * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 554263Sshin * 654263Sshin * Redistribution and use in source and binary forms, with or without 754263Sshin * modification, are permitted provided that the following conditions are met: 854263Sshin * 954263Sshin * a) Redistributions of source code must retain the above copyright notice, 1054263Sshin * this list of conditions and the following disclaimer. 1154263Sshin * 1254263Sshin * b) Redistributions in binary form must reproduce the above copyright 1354263Sshin * notice, this list of conditions and the following disclaimer in 1454263Sshin * the documentation and/or other materials provided with the distribution. 1554263Sshin * 1654263Sshin * c) Neither the name of Cisco Systems, Inc. nor the names of its 1754263Sshin * contributors may be used to endorse or promote products derived 1854263Sshin * from this software without specific prior written permission. 1954263Sshin * 2054263Sshin * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2154263Sshin * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 2254263Sshin * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2354263Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 2454263Sshin * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2554263Sshin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2654263Sshin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2754263Sshin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28273087Sae * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29273087Sae * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 3054263Sshin * THE POSSIBILITY OF SUCH DAMAGE. 3154263Sshin */ 32172467Ssilby/* $KAME: sctp.h,v 1.18 2005/03/06 16:04:16 itojun Exp $ */ 33172467Ssilby 34172467Ssilby#include <sys/cdefs.h> 3562587Sitojun__FBSDID("$FreeBSD: head/sys/netinet/sctp.h 225635 2011-09-17 08:50:29Z tuexen $"); 3654263Sshin 3754263Sshin#ifndef _NETINET_SCTP_H_ 3854263Sshin#define _NETINET_SCTP_H_ 39273087Sae 40273087Sae#include <sys/types.h> 4154263Sshin 4254263Sshin 4354263Sshin#define SCTP_PACKED __attribute__((packed)) 4454263Sshin 4554263Sshin/* 4654263Sshin * SCTP protocol - RFC2960. 4754263Sshin */ 48105293Sumestruct sctphdr { 4962587Sitojun uint16_t src_port; /* source port */ 5062587Sitojun uint16_t dest_port; /* destination port */ 5154263Sshin uint32_t v_tag; /* verification tag of packet */ 52257176Sglebius uint32_t checksum; /* Adler32 C-Sum */ 5354263Sshin /* chunks follow... */ 54196019Srwatson} SCTP_PACKED; 5554263Sshin 5654263Sshin/* 5754263Sshin * SCTP Chunks 5854263Sshin */ 5954263Sshinstruct sctp_chunkhdr { 6062587Sitojun uint8_t chunk_type; /* chunk type */ 6162587Sitojun uint8_t chunk_flags; /* chunk flags */ 6255009Sshin uint16_t chunk_length; /* chunk length */ 6362587Sitojun /* optional params follow */ 6454263Sshin} SCTP_PACKED; 6562587Sitojun 6654263Sshin/* 6754263Sshin * SCTP chunk parameters 68273087Sae */ 6954263Sshinstruct sctp_paramhdr { 70276148Sae uint16_t param_type; /* parameter type */ 71105293Sume uint16_t param_length; /* parameter length */ 72105293Sume} SCTP_PACKED; 73276148Sae 74152242Sru/* 75152242Sru * user socket options: socket API defined 76152242Sru */ 77152242Sru/* 78152242Sru * read-write options 79270008Skevlo */ 80152242Sru#define SCTP_RTOINFO 0x00000001 81152242Sru#define SCTP_ASSOCINFO 0x00000002 82105293Sume#define SCTP_INITMSG 0x00000003 83105293Sume#define SCTP_NODELAY 0x00000004 84276148Sae#define SCTP_AUTOCLOSE 0x00000005 85276148Sae#define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006 86207369Sbz#define SCTP_PRIMARY_ADDR 0x00000007 87274225Sglebius#define SCTP_ADAPTATION_LAYER 0x00000008 88195699Srwatson/* same as above */ 8954263Sshin#define SCTP_ADAPTION_LAYER 0x00000008 9054263Sshin#define SCTP_DISABLE_FRAGMENTS 0x00000009 91273087Sae#define SCTP_PEER_ADDR_PARAMS 0x0000000a 9254263Sshin#define SCTP_DEFAULT_SEND_PARAM 0x0000000b 93273087Sae/* ancillary data/notification interest options */ 94147256Sbrooks#define SCTP_EVENTS 0x0000000c /* deprecated */ 95273087Sae/* Without this applied we will give V4 and V6 addresses on a V6 socket */ 96273087Sae#define SCTP_I_WANT_MAPPED_V4_ADDR 0x0000000d 9754263Sshin#define SCTP_MAXSEG 0x0000000e 9854263Sshin#define SCTP_DELAYED_SACK 0x0000000f 99189494Smarius#define SCTP_FRAGMENT_INTERLEAVE 0x00000010 100189494Smarius#define SCTP_PARTIAL_DELIVERY_POINT 0x00000011 101273087Sae/* authentication support */ 102189494Smarius#define SCTP_AUTH_CHUNK 0x00000012 103189494Smarius#define SCTP_AUTH_KEY 0x00000013 104243882Sglebius#define SCTP_HMAC_IDENT 0x00000014 105273087Sae#define SCTP_AUTH_ACTIVE_KEY 0x00000015 106273087Sae#define SCTP_AUTH_DELETE_KEY 0x00000016 107189494Smarius#define SCTP_USE_EXT_RCVINFO 0x00000017 108273087Sae#define SCTP_AUTO_ASCONF 0x00000018 /* rw */ 109189494Smarius#define SCTP_MAXBURST 0x00000019 /* rw */ 110189494Smarius#define SCTP_MAX_BURST 0x00000019 /* rw */ 111189494Smarius/* assoc level context */ 112189494Smarius#define SCTP_CONTEXT 0x0000001a /* rw */ 113189494Smarius/* explicit EOR signalling */ 114189494Smarius#define SCTP_EXPLICIT_EOR 0x0000001b 115189494Smarius#define SCTP_REUSE_PORT 0x0000001c /* rw */ 116273087Sae#define SCTP_AUTH_DEACTIVATE_KEY 0x0000001d 117273087Sae#define SCTP_EVENT 0x0000001e 118273087Sae#define SCTP_RECVRCVINFO 0x0000001f 119273087Sae#define SCTP_RECVNXTINFO 0x00000020 120273087Sae#define SCTP_DEFAULT_SNDINFO 0x00000021 121273087Sae#define SCTP_DEFAULT_PRINFO 0x00000022 12254263Sshin#define SCTP_PEER_ADDR_THLDS 0x00000023 123273087Sae 124273087Sae/* 12554263Sshin * read-only options 126273087Sae */ 127273087Sae#define SCTP_STATUS 0x00000100 128273087Sae#define SCTP_GET_PEER_ADDR_INFO 0x00000101 129273087Sae/* authentication support */ 130273087Sae#define SCTP_PEER_AUTH_CHUNKS 0x00000102 13162587Sitojun#define SCTP_LOCAL_AUTH_CHUNKS 0x00000103 132273087Sae#define SCTP_GET_ASSOC_NUMBER 0x00000104 /* ro */ 13354263Sshin#define SCTP_GET_ASSOC_ID_LIST 0x00000105 /* ro */ 13454263Sshin#define SCTP_TIMEOUTS 0x00000106 135276148Sae 136269699Skevlo/* 13754263Sshin * user socket options: BSD implementation specific 138273087Sae */ 139147503Sbz/* 140273087Sae * Blocking I/O is enabled on any TCP type socket by default. For the UDP 14154263Sshin * model if this is turned on then the socket buffer is shared for send 142273087Sae * resources amongst all associations. The default for the UDP model is that 14354263Sshin * is SS_NBIO is set. Which means all associations have a separate send 144273087Sae * limit BUT they will NOT ever BLOCK instead you will get an error back 145147503Sbz * EAGAIN if you try to send too much. If you want the blocking semantics you 146147503Sbz * set this option at the cost of sharing one socket send buffer size amongst 147196039Srwatson * all associations. Peeled off sockets turn this option off and block. But 148269699Skevlo * since both TCP and peeled off sockets have only one assoc per socket this 149147503Sbz * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP 150147503Sbz * model OR peeled off UDP model, but we do allow you to do so. You just use 151273087Sae * the normal syscall to toggle SS_NBIO the way you want. 152273087Sae * 153273087Sae * Blocking I/O is controlled by the SS_NBIO flag on the socket state so_state 154273087Sae * field. 155273087Sae */ 156273087Sae 15754263Sshin/* these should probably go into sockets API */ 158196039Srwatson#define SCTP_RESET_STREAMS 0x00001004 /* wo */ 15954263Sshin 160269699Skevlo 16154263Sshin/* here on down are more implementation specific */ 16262587Sitojun#define SCTP_SET_DEBUG_LEVEL 0x00001005 16362587Sitojun#define SCTP_CLR_STAT_LOG 0x00001007 164286013Sae/* CMT ON/OFF socket option */ 165286013Sae#define SCTP_CMT_ON_OFF 0x00001200 16662587Sitojun#define SCTP_CMT_USE_DAC 0x00001201 167286013Sae/* JRS - Pluggable Congestion Control Socket option */ 168286013Sae#define SCTP_PLUGGABLE_CC 0x00001202 16962587Sitojun/* RS - Pluggable Stream Scheduling Socket option */ 170286013Sae#define SCTP_PLUGGABLE_SS 0x00001203 171286013Sae#define SCTP_SS_VALUE 0x00001204 172282965Sae#define SCTP_CC_OPTION 0x00001205 /* Options for CC 17362587Sitojun * modules */ 174286013Sae/* read only */ 175286013Sae#define SCTP_GET_SNDBUF_USE 0x00001101 176273087Sae#define SCTP_GET_STAT_LOG 0x00001103 17762587Sitojun#define SCTP_PCB_STATUS 0x00001104 17862587Sitojun#define SCTP_GET_NONCE_VALUES 0x00001105 179286013Sae 180282965Sae 181273087Sae/* Special hook for dynamically setting primary for all assoc's, 182282965Sae * this is a write only option that requires root privilege. 183282965Sae */ 184282965Sae#define SCTP_SET_DYNAMIC_PRIMARY 0x00002001 185282965Sae 186282965Sae/* VRF (virtual router feature) and multi-VRF support 187282965Sae * options. VRF's provide splits within a router 18862587Sitojun * that give the views of multiple routers. A 18962587Sitojun * standard host, without VRF support, is just 190286013Sae * a single VRF. If VRF's are supported then 19162587Sitojun * the transport must be VRF aware. This means 19262587Sitojun * that every socket call coming in must be directed 19362587Sitojun * within the endpoint to one of the VRF's it belongs 19462587Sitojun * to. The endpoint, before binding, may select 19562587Sitojun * the "default" VRF it is in by using a set socket 19662587Sitojun * option with SCTP_VRF_ID. This will also 197105293Sume * get propagated to the default VRF. Once the 198178888Sjulian * endpoint binds an address then it CANNOT add 199178888Sjulian * additional VRF's to become a Multi-VRF endpoint. 200178888Sjulian * 201286013Sae * Before BINDING additional VRF's can be added with 202286013Sae * the SCTP_ADD_VRF_ID call or deleted with 203172307Scsjp * SCTP_DEL_VRF_ID. 204273087Sae * 20562587Sitojun * Associations are ALWAYS contained inside a single 206172307Scsjp * VRF. They cannot reside in two (or more) VRF's. Incoming 20762587Sitojun * packets, assuming the router is VRF aware, can always 208282965Sae * tell us what VRF they arrived on. A host not supporting 20962587Sitojun * any VRF's will find that the packets always arrived on the 210105293Sume * single VRF that the host has. 211105293Sume * 212169454Srwatson */ 213105293Sume 214273087Sae#define SCTP_VRF_ID 0x00003001 215273087Sae#define SCTP_ADD_VRF_ID 0x00003002 216273087Sae#define SCTP_GET_VRF_IDS 0x00003003 217105293Sume#define SCTP_GET_ASOC_VRF 0x00003004 218273087Sae#define SCTP_DEL_VRF_ID 0x00003005 219273087Sae 220273087Sae/* 221105293Sume * If you enable packet logging you can get 222 * a poor mans ethereal output in binary 223 * form. Note this is a compile option to 224 * the kernel, SCTP_PACKET_LOGGING, and 225 * without it in your kernel you 226 * will get a EOPNOTSUPP 227 */ 228#define SCTP_GET_PACKET_LOG 0x00004001 229 230/* 231 * hidden implementation specific options these are NOT user visible (should 232 * move out of sctp.h) 233 */ 234/* sctp_bindx() flags as hidden socket options */ 235#define SCTP_BINDX_ADD_ADDR 0x00008001 236#define SCTP_BINDX_REM_ADDR 0x00008002 237/* Hidden socket option that gets the addresses */ 238#define SCTP_GET_PEER_ADDRESSES 0x00008003 239#define SCTP_GET_LOCAL_ADDRESSES 0x00008004 240/* return the total count in bytes needed to hold all local addresses bound */ 241#define SCTP_GET_LOCAL_ADDR_SIZE 0x00008005 242/* Return the total count in bytes needed to hold the remote address */ 243#define SCTP_GET_REMOTE_ADDR_SIZE 0x00008006 244/* hidden option for connectx */ 245#define SCTP_CONNECT_X 0x00008007 246/* hidden option for connectx_delayed, part of sendx */ 247#define SCTP_CONNECT_X_DELAYED 0x00008008 248#define SCTP_CONNECT_X_COMPLETE 0x00008009 249/* hidden socket option based sctp_peeloff */ 250#define SCTP_PEELOFF 0x0000800a 251/* the real worker for sctp_getaddrlen() */ 252#define SCTP_GET_ADDR_LEN 0x0000800b 253/* temporary workaround for Apple listen() issue, no args used */ 254#define SCTP_LISTEN_FIX 0x0000800c 255/* Debug things that need to be purged */ 256#define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00 257 258/* JRS - Supported congestion control modules for pluggable 259 * congestion control 260 */ 261/* Standard TCP Congestion Control */ 262#define SCTP_CC_RFC2581 0x00000000 263/* High Speed TCP Congestion Control (Floyd) */ 264#define SCTP_CC_HSTCP 0x00000001 265/* HTCP Congestion Control */ 266#define SCTP_CC_HTCP 0x00000002 267/* RTCC Congestion Control - RFC2581 plus */ 268#define SCTP_CC_RTCC 0x00000003 269 270#define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 271#define SCTP_CC_OPT_USE_DCCC_ECN 0x00002001 272#define SCTP_CC_OPT_STEADY_STEP 0x00002002 273 274#define SCTP_CMT_OFF 0 275#define SCTP_CMT_BASE 1 276#define SCTP_CMT_RPV1 2 277#define SCTP_CMT_RPV2 3 278#define SCTP_CMT_MPTCP 4 279#define SCTP_CMT_MAX SCTP_CMT_MPTCP 280 281/* RS - Supported stream scheduling modules for pluggable 282 * stream scheduling 283 */ 284/* Default simple round-robin */ 285#define SCTP_SS_DEFAULT 0x00000000 286/* Real round-robin */ 287#define SCTP_SS_ROUND_ROBIN 0x00000001 288/* Real round-robin per packet */ 289#define SCTP_SS_ROUND_ROBIN_PACKET 0x00000002 290/* Priority */ 291#define SCTP_SS_PRIORITY 0x00000003 292/* Fair Bandwidth */ 293#define SCTP_SS_FAIR_BANDWITH 0x00000004 294/* First-come, first-serve */ 295#define SCTP_SS_FIRST_COME 0x00000005 296 297 298/* fragment interleave constants 299 * setting must be one of these or 300 * EINVAL returned. 301 */ 302#define SCTP_FRAG_LEVEL_0 0x00000000 303#define SCTP_FRAG_LEVEL_1 0x00000001 304#define SCTP_FRAG_LEVEL_2 0x00000002 305 306/* 307 * user state values 308 */ 309#define SCTP_CLOSED 0x0000 310#define SCTP_BOUND 0x1000 311#define SCTP_LISTEN 0x2000 312#define SCTP_COOKIE_WAIT 0x0002 313#define SCTP_COOKIE_ECHOED 0x0004 314#define SCTP_ESTABLISHED 0x0008 315#define SCTP_SHUTDOWN_SENT 0x0010 316#define SCTP_SHUTDOWN_RECEIVED 0x0020 317#define SCTP_SHUTDOWN_ACK_SENT 0x0040 318#define SCTP_SHUTDOWN_PENDING 0x0080 319 320/* 321 * SCTP operational error codes (user visible) 322 */ 323#define SCTP_CAUSE_NO_ERROR 0x0000 324#define SCTP_CAUSE_INVALID_STREAM 0x0001 325#define SCTP_CAUSE_MISSING_PARAM 0x0002 326#define SCTP_CAUSE_STALE_COOKIE 0x0003 327#define SCTP_CAUSE_OUT_OF_RESC 0x0004 328#define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005 329#define SCTP_CAUSE_UNRECOG_CHUNK 0x0006 330#define SCTP_CAUSE_INVALID_PARAM 0x0007 331#define SCTP_CAUSE_UNRECOG_PARAM 0x0008 332#define SCTP_CAUSE_NO_USER_DATA 0x0009 333#define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a 334#define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b 335#define SCTP_CAUSE_USER_INITIATED_ABT 0x000c 336#define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d 337 338/* Error causes from RFC5061 */ 339#define SCTP_CAUSE_DELETING_LAST_ADDR 0x00a0 340#define SCTP_CAUSE_RESOURCE_SHORTAGE 0x00a1 341#define SCTP_CAUSE_DELETING_SRC_ADDR 0x00a2 342#define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x00a3 343#define SCTP_CAUSE_REQUEST_REFUSED 0x00a4 344 345/* Error causes from nat-draft */ 346#define SCTP_CAUSE_NAT_COLLIDING_STATE 0x00b0 347#define SCTP_CAUSE_NAT_MISSING_STATE 0x00b1 348 349/* Error causes from RFC4895 */ 350#define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105 351 352/* 353 * error cause parameters (user visible) 354 */ 355struct sctp_error_cause { 356 uint16_t code; 357 uint16_t length; 358 /* optional cause-specific info may follow */ 359} SCTP_PACKED; 360 361struct sctp_error_invalid_stream { 362 struct sctp_error_cause cause; /* code=SCTP_ERROR_INVALID_STREAM */ 363 uint16_t stream_id; /* stream id of the DATA in error */ 364 uint16_t reserved; 365} SCTP_PACKED; 366 367struct sctp_error_missing_param { 368 struct sctp_error_cause cause; /* code=SCTP_ERROR_MISSING_PARAM */ 369 uint32_t num_missing_params; /* number of missing parameters */ 370 /* uint16_t param_type's follow */ 371} SCTP_PACKED; 372 373struct sctp_error_stale_cookie { 374 struct sctp_error_cause cause; /* code=SCTP_ERROR_STALE_COOKIE */ 375 uint32_t stale_time; /* time in usec of staleness */ 376} SCTP_PACKED; 377 378struct sctp_error_out_of_resource { 379 struct sctp_error_cause cause; /* code=SCTP_ERROR_OUT_OF_RESOURCES */ 380} SCTP_PACKED; 381 382struct sctp_error_unresolv_addr { 383 struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */ 384 385} SCTP_PACKED; 386 387struct sctp_error_unrecognized_chunk { 388 struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRECOG_CHUNK */ 389 struct sctp_chunkhdr ch;/* header from chunk in error */ 390} SCTP_PACKED; 391 392/* 393 * Main SCTP chunk types we place these here so natd and f/w's in user land 394 * can find them. 395 */ 396/************0x00 series ***********/ 397#define SCTP_DATA 0x00 398#define SCTP_INITIATION 0x01 399#define SCTP_INITIATION_ACK 0x02 400#define SCTP_SELECTIVE_ACK 0x03 401#define SCTP_HEARTBEAT_REQUEST 0x04 402#define SCTP_HEARTBEAT_ACK 0x05 403#define SCTP_ABORT_ASSOCIATION 0x06 404#define SCTP_SHUTDOWN 0x07 405#define SCTP_SHUTDOWN_ACK 0x08 406#define SCTP_OPERATION_ERROR 0x09 407#define SCTP_COOKIE_ECHO 0x0a 408#define SCTP_COOKIE_ACK 0x0b 409#define SCTP_ECN_ECHO 0x0c 410#define SCTP_ECN_CWR 0x0d 411#define SCTP_SHUTDOWN_COMPLETE 0x0e 412/* RFC4895 */ 413#define SCTP_AUTHENTICATION 0x0f 414/* EY nr_sack chunk id*/ 415#define SCTP_NR_SELECTIVE_ACK 0x10 416/************0x40 series ***********/ 417/************0x80 series ***********/ 418/* RFC5061 */ 419#define SCTP_ASCONF_ACK 0x80 420/* draft-ietf-stewart-pktdrpsctp */ 421#define SCTP_PACKET_DROPPED 0x81 422/* draft-ietf-stewart-strreset-xxx */ 423#define SCTP_STREAM_RESET 0x82 424 425/* RFC4820 */ 426#define SCTP_PAD_CHUNK 0x84 427/************0xc0 series ***********/ 428/* RFC3758 */ 429#define SCTP_FORWARD_CUM_TSN 0xc0 430/* RFC5061 */ 431#define SCTP_ASCONF 0xc1 432 433 434/* ABORT and SHUTDOWN COMPLETE FLAG */ 435#define SCTP_HAD_NO_TCB 0x01 436 437/* Packet dropped flags */ 438#define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB 439#define SCTP_BADCRC 0x02 440#define SCTP_PACKET_TRUNCATED 0x04 441 442/* Flag for ECN -CWR */ 443#define SCTP_CWR_REDUCE_OVERRIDE 0x01 444#define SCTP_CWR_IN_SAME_WINDOW 0x02 445 446#define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite 447 * time */ 448#define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst 449 * in sat */ 450 451/* Data Chuck Specific Flags */ 452#define SCTP_DATA_FRAG_MASK 0x03 453#define SCTP_DATA_MIDDLE_FRAG 0x00 454#define SCTP_DATA_LAST_FRAG 0x01 455#define SCTP_DATA_FIRST_FRAG 0x02 456#define SCTP_DATA_NOT_FRAG 0x03 457#define SCTP_DATA_UNORDERED 0x04 458#define SCTP_DATA_SACK_IMMEDIATELY 0x08 459/* ECN Nonce: SACK Chunk Specific Flags */ 460#define SCTP_SACK_NONCE_SUM 0x01 461 462/* CMT DAC algorithm SACK flag */ 463#define SCTP_SACK_CMT_DAC 0x80 464 465/* 466 * PCB flags (in sctp_flags bitmask). 467 * Note the features and flags are meant 468 * for use by netstat. 469 */ 470#define SCTP_PCB_FLAGS_UDPTYPE 0x00000001 471#define SCTP_PCB_FLAGS_TCPTYPE 0x00000002 472#define SCTP_PCB_FLAGS_BOUNDALL 0x00000004 473#define SCTP_PCB_FLAGS_ACCEPTING 0x00000008 474#define SCTP_PCB_FLAGS_UNBOUND 0x00000010 475#define SCTP_PCB_FLAGS_CLOSE_IP 0x00040000 476#define SCTP_PCB_FLAGS_WAS_CONNECTED 0x00080000 477#define SCTP_PCB_FLAGS_WAS_ABORTED 0x00100000 478/* TCP model support */ 479 480#define SCTP_PCB_FLAGS_CONNECTED 0x00200000 481#define SCTP_PCB_FLAGS_IN_TCPPOOL 0x00400000 482#define SCTP_PCB_FLAGS_DONT_WAKE 0x00800000 483#define SCTP_PCB_FLAGS_WAKEOUTPUT 0x01000000 484#define SCTP_PCB_FLAGS_WAKEINPUT 0x02000000 485#define SCTP_PCB_FLAGS_BOUND_V6 0x04000000 486#define SCTP_PCB_FLAGS_BLOCKING_IO 0x08000000 487#define SCTP_PCB_FLAGS_SOCKET_GONE 0x10000000 488#define SCTP_PCB_FLAGS_SOCKET_ALLGONE 0x20000000 489#define SCTP_PCB_FLAGS_SOCKET_CANT_READ 0x40000000 490/* flags to copy to new PCB */ 491#define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 492 SCTP_PCB_FLAGS_WAKEINPUT|\ 493 SCTP_PCB_FLAGS_BOUND_V6) 494 495 496/* 497 * PCB Features (in sctp_features bitmask) 498 */ 499#define SCTP_PCB_FLAGS_DO_NOT_PMTUD 0x00000001 500#define SCTP_PCB_FLAGS_EXT_RCVINFO 0x00000002 /* deprecated */ 501#define SCTP_PCB_FLAGS_DONOT_HEARTBEAT 0x00000004 502#define SCTP_PCB_FLAGS_FRAG_INTERLEAVE 0x00000008 503#define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x00000010 504#define SCTP_PCB_FLAGS_DO_ASCONF 0x00000020 505#define SCTP_PCB_FLAGS_AUTO_ASCONF 0x00000040 506#define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x00000080 507/* socket options */ 508#define SCTP_PCB_FLAGS_NODELAY 0x00000100 509#define SCTP_PCB_FLAGS_AUTOCLOSE 0x00000200 510#define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x00000400 /* deprecated */ 511#define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x00000800 512#define SCTP_PCB_FLAGS_RECVPADDREVNT 0x00001000 513#define SCTP_PCB_FLAGS_RECVPEERERR 0x00002000 514#define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x00004000 515#define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x00008000 516#define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x00010000 517#define SCTP_PCB_FLAGS_PDAPIEVNT 0x00020000 518#define SCTP_PCB_FLAGS_AUTHEVNT 0x00040000 519#define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x00080000 520#define SCTP_PCB_FLAGS_NO_FRAGMENT 0x00100000 521#define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x00400000 522#define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x00800000 523#define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x01000000 524#define SCTP_PCB_FLAGS_PORTREUSE 0x02000000 525#define SCTP_PCB_FLAGS_DRYEVNT 0x04000000 526#define SCTP_PCB_FLAGS_RECVRCVINFO 0x08000000 527#define SCTP_PCB_FLAGS_RECVNXTINFO 0x10000000 528 529/*- 530 * mobility_features parameters (by micchie).Note 531 * these features are applied against the 532 * sctp_mobility_features flags.. not the sctp_features 533 * flags. 534 */ 535#define SCTP_MOBILITY_BASE 0x00000001 536#define SCTP_MOBILITY_FASTHANDOFF 0x00000002 537#define SCTP_MOBILITY_PRIM_DELETED 0x00000004 538 539 540#define SCTP_SMALLEST_PMTU 512 /* smallest pmtu allowed when disabling PMTU 541 * discovery */ 542 543#include <netinet/sctp_uio.h> 544 545/* This dictates the size of the packet 546 * collection buffer. This only applies 547 * if SCTP_PACKET_LOGGING is enabled in 548 * your config. 549 */ 550#define SCTP_PACKET_LOG_SIZE 65536 551 552/* Maximum delays and such a user can set for options that 553 * take ms. 554 */ 555#define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */ 556#define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */ 557#define SCTP_MAX_COOKIE_LIFE 3600000 /* 1 hour in ms */ 558 559 560/* Types of logging/KTR tracing that can be enabled via the 561 * sysctl net.inet.sctp.sctp_logging. You must also enable 562 * SUBSYS tracing. 563 * Note that you must have the SCTP option in the kernel 564 * to enable these as well. 565 */ 566#define SCTP_BLK_LOGGING_ENABLE 0x00000001 567#define SCTP_CWND_MONITOR_ENABLE 0x00000002 568#define SCTP_CWND_LOGGING_ENABLE 0x00000004 569#define SCTP_FLIGHT_LOGGING_ENABLE 0x00000020 570#define SCTP_FR_LOGGING_ENABLE 0x00000040 571#define SCTP_LOCK_LOGGING_ENABLE 0x00000080 572#define SCTP_MAP_LOGGING_ENABLE 0x00000100 573#define SCTP_MBCNT_LOGGING_ENABLE 0x00000200 574#define SCTP_MBUF_LOGGING_ENABLE 0x00000400 575#define SCTP_NAGLE_LOGGING_ENABLE 0x00000800 576#define SCTP_RECV_RWND_LOGGING_ENABLE 0x00001000 577#define SCTP_RTTVAR_LOGGING_ENABLE 0x00002000 578#define SCTP_SACK_LOGGING_ENABLE 0x00004000 579#define SCTP_SACK_RWND_LOGGING_ENABLE 0x00008000 580#define SCTP_SB_LOGGING_ENABLE 0x00010000 581#define SCTP_STR_LOGGING_ENABLE 0x00020000 582#define SCTP_WAKE_LOGGING_ENABLE 0x00040000 583#define SCTP_LOG_MAXBURST_ENABLE 0x00080000 584#define SCTP_LOG_RWND_ENABLE 0x00100000 585#define SCTP_LOG_SACK_ARRIVALS_ENABLE 0x00200000 586#define SCTP_LTRACE_CHUNK_ENABLE 0x00400000 587#define SCTP_LTRACE_ERROR_ENABLE 0x00800000 588#define SCTP_LAST_PACKET_TRACING 0x01000000 589#define SCTP_THRESHOLD_LOGGING 0x02000000 590#define SCTP_LOG_AT_SEND_2_SCTP 0x04000000 591#define SCTP_LOG_AT_SEND_2_OUTQ 0x08000000 592#define SCTP_LOG_TRY_ADVANCE 0x10000000 593 594 595#undef SCTP_PACKED 596 597#endif /* !_NETINET_SCTP_H_ */ 598