sctp.h revision 269481
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: head/sys/netinet/sctp.h 269481 2014-08-03 18:12:55Z tuexen $"); 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_NRSACK_SUPPORTED 0x00000027 127#define SCTP_PKTDROP_SUPPORTED 0x00000028 128 129/* 130 * read-only options 131 */ 132#define SCTP_STATUS 0x00000100 133#define SCTP_GET_PEER_ADDR_INFO 0x00000101 134/* authentication support */ 135#define SCTP_PEER_AUTH_CHUNKS 0x00000102 136#define SCTP_LOCAL_AUTH_CHUNKS 0x00000103 137#define SCTP_GET_ASSOC_NUMBER 0x00000104 /* ro */ 138#define SCTP_GET_ASSOC_ID_LIST 0x00000105 /* ro */ 139#define SCTP_TIMEOUTS 0x00000106 140 141/* 142 * user socket options: BSD implementation specific 143 */ 144/* 145 * Blocking I/O is enabled on any TCP type socket by default. For the UDP 146 * model if this is turned on then the socket buffer is shared for send 147 * resources amongst all associations. The default for the UDP model is that 148 * is SS_NBIO is set. Which means all associations have a separate send 149 * limit BUT they will NOT ever BLOCK instead you will get an error back 150 * EAGAIN if you try to send too much. If you want the blocking semantics you 151 * set this option at the cost of sharing one socket send buffer size amongst 152 * all associations. Peeled off sockets turn this option off and block. But 153 * since both TCP and peeled off sockets have only one assoc per socket this 154 * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP 155 * model OR peeled off UDP model, but we do allow you to do so. You just use 156 * the normal syscall to toggle SS_NBIO the way you want. 157 * 158 * Blocking I/O is controlled by the SS_NBIO flag on the socket state so_state 159 * field. 160 */ 161 162#define SCTP_ENABLE_STREAM_RESET 0x00000900 /* struct 163 * sctp_assoc_value */ 164#define SCTP_RESET_STREAMS 0x00000901 /* struct 165 * sctp_reset_streams */ 166#define SCTP_RESET_ASSOC 0x00000902 /* sctp_assoc_t */ 167#define SCTP_ADD_STREAMS 0x00000903 /* struct 168 * sctp_add_streams */ 169 170/* For enable stream reset */ 171#define SCTP_ENABLE_RESET_STREAM_REQ 0x00000001 172#define SCTP_ENABLE_RESET_ASSOC_REQ 0x00000002 173#define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x00000004 174#define SCTP_ENABLE_VALUE_MASK 0x00000007 175/* For reset streams */ 176#define SCTP_STREAM_RESET_INCOMING 0x00000001 177#define SCTP_STREAM_RESET_OUTGOING 0x00000002 178 179 180/* here on down are more implementation specific */ 181#define SCTP_SET_DEBUG_LEVEL 0x00001005 182#define SCTP_CLR_STAT_LOG 0x00001007 183/* CMT ON/OFF socket option */ 184#define SCTP_CMT_ON_OFF 0x00001200 185#define SCTP_CMT_USE_DAC 0x00001201 186/* JRS - Pluggable Congestion Control Socket option */ 187#define SCTP_PLUGGABLE_CC 0x00001202 188/* RS - Pluggable Stream Scheduling Socket option */ 189#define SCTP_PLUGGABLE_SS 0x00001203 190#define SCTP_SS_VALUE 0x00001204 191#define SCTP_CC_OPTION 0x00001205 /* Options for CC 192 * modules */ 193/* read only */ 194#define SCTP_GET_SNDBUF_USE 0x00001101 195#define SCTP_GET_STAT_LOG 0x00001103 196#define SCTP_PCB_STATUS 0x00001104 197#define SCTP_GET_NONCE_VALUES 0x00001105 198 199 200/* Special hook for dynamically setting primary for all assoc's, 201 * this is a write only option that requires root privilege. 202 */ 203#define SCTP_SET_DYNAMIC_PRIMARY 0x00002001 204 205/* VRF (virtual router feature) and multi-VRF support 206 * options. VRF's provide splits within a router 207 * that give the views of multiple routers. A 208 * standard host, without VRF support, is just 209 * a single VRF. If VRF's are supported then 210 * the transport must be VRF aware. This means 211 * that every socket call coming in must be directed 212 * within the endpoint to one of the VRF's it belongs 213 * to. The endpoint, before binding, may select 214 * the "default" VRF it is in by using a set socket 215 * option with SCTP_VRF_ID. This will also 216 * get propagated to the default VRF. Once the 217 * endpoint binds an address then it CANNOT add 218 * additional VRF's to become a Multi-VRF endpoint. 219 * 220 * Before BINDING additional VRF's can be added with 221 * the SCTP_ADD_VRF_ID call or deleted with 222 * SCTP_DEL_VRF_ID. 223 * 224 * Associations are ALWAYS contained inside a single 225 * VRF. They cannot reside in two (or more) VRF's. Incoming 226 * packets, assuming the router is VRF aware, can always 227 * tell us what VRF they arrived on. A host not supporting 228 * any VRF's will find that the packets always arrived on the 229 * single VRF that the host has. 230 * 231 */ 232 233#define SCTP_VRF_ID 0x00003001 234#define SCTP_ADD_VRF_ID 0x00003002 235#define SCTP_GET_VRF_IDS 0x00003003 236#define SCTP_GET_ASOC_VRF 0x00003004 237#define SCTP_DEL_VRF_ID 0x00003005 238 239/* 240 * If you enable packet logging you can get 241 * a poor mans ethereal output in binary 242 * form. Note this is a compile option to 243 * the kernel, SCTP_PACKET_LOGGING, and 244 * without it in your kernel you 245 * will get a EOPNOTSUPP 246 */ 247#define SCTP_GET_PACKET_LOG 0x00004001 248 249/* 250 * hidden implementation specific options these are NOT user visible (should 251 * move out of sctp.h) 252 */ 253/* sctp_bindx() flags as hidden socket options */ 254#define SCTP_BINDX_ADD_ADDR 0x00008001 255#define SCTP_BINDX_REM_ADDR 0x00008002 256/* Hidden socket option that gets the addresses */ 257#define SCTP_GET_PEER_ADDRESSES 0x00008003 258#define SCTP_GET_LOCAL_ADDRESSES 0x00008004 259/* return the total count in bytes needed to hold all local addresses bound */ 260#define SCTP_GET_LOCAL_ADDR_SIZE 0x00008005 261/* Return the total count in bytes needed to hold the remote address */ 262#define SCTP_GET_REMOTE_ADDR_SIZE 0x00008006 263/* hidden option for connectx */ 264#define SCTP_CONNECT_X 0x00008007 265/* hidden option for connectx_delayed, part of sendx */ 266#define SCTP_CONNECT_X_DELAYED 0x00008008 267#define SCTP_CONNECT_X_COMPLETE 0x00008009 268/* hidden socket option based sctp_peeloff */ 269#define SCTP_PEELOFF 0x0000800a 270/* the real worker for sctp_getaddrlen() */ 271#define SCTP_GET_ADDR_LEN 0x0000800b 272/* Debug things that need to be purged */ 273#define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00 274 275/* JRS - Supported congestion control modules for pluggable 276 * congestion control 277 */ 278/* Standard TCP Congestion Control */ 279#define SCTP_CC_RFC2581 0x00000000 280/* High Speed TCP Congestion Control (Floyd) */ 281#define SCTP_CC_HSTCP 0x00000001 282/* HTCP Congestion Control */ 283#define SCTP_CC_HTCP 0x00000002 284/* RTCC Congestion Control - RFC2581 plus */ 285#define SCTP_CC_RTCC 0x00000003 286 287#define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 288#define SCTP_CC_OPT_USE_DCCC_ECN 0x00002001 289#define SCTP_CC_OPT_STEADY_STEP 0x00002002 290 291#define SCTP_CMT_OFF 0 292#define SCTP_CMT_BASE 1 293#define SCTP_CMT_RPV1 2 294#define SCTP_CMT_RPV2 3 295#define SCTP_CMT_MPTCP 4 296#define SCTP_CMT_MAX SCTP_CMT_MPTCP 297 298/* RS - Supported stream scheduling modules for pluggable 299 * stream scheduling 300 */ 301/* Default simple round-robin */ 302#define SCTP_SS_DEFAULT 0x00000000 303/* Real round-robin */ 304#define SCTP_SS_ROUND_ROBIN 0x00000001 305/* Real round-robin per packet */ 306#define SCTP_SS_ROUND_ROBIN_PACKET 0x00000002 307/* Priority */ 308#define SCTP_SS_PRIORITY 0x00000003 309/* Fair Bandwidth */ 310#define SCTP_SS_FAIR_BANDWITH 0x00000004 311/* First-come, first-serve */ 312#define SCTP_SS_FIRST_COME 0x00000005 313 314 315/* fragment interleave constants 316 * setting must be one of these or 317 * EINVAL returned. 318 */ 319#define SCTP_FRAG_LEVEL_0 0x00000000 320#define SCTP_FRAG_LEVEL_1 0x00000001 321#define SCTP_FRAG_LEVEL_2 0x00000002 322 323/* 324 * user state values 325 */ 326#define SCTP_CLOSED 0x0000 327#define SCTP_BOUND 0x1000 328#define SCTP_LISTEN 0x2000 329#define SCTP_COOKIE_WAIT 0x0002 330#define SCTP_COOKIE_ECHOED 0x0004 331#define SCTP_ESTABLISHED 0x0008 332#define SCTP_SHUTDOWN_SENT 0x0010 333#define SCTP_SHUTDOWN_RECEIVED 0x0020 334#define SCTP_SHUTDOWN_ACK_SENT 0x0040 335#define SCTP_SHUTDOWN_PENDING 0x0080 336 337/* 338 * SCTP operational error codes (user visible) 339 */ 340#define SCTP_CAUSE_NO_ERROR 0x0000 341#define SCTP_CAUSE_INVALID_STREAM 0x0001 342#define SCTP_CAUSE_MISSING_PARAM 0x0002 343#define SCTP_CAUSE_STALE_COOKIE 0x0003 344#define SCTP_CAUSE_OUT_OF_RESC 0x0004 345#define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005 346#define SCTP_CAUSE_UNRECOG_CHUNK 0x0006 347#define SCTP_CAUSE_INVALID_PARAM 0x0007 348#define SCTP_CAUSE_UNRECOG_PARAM 0x0008 349#define SCTP_CAUSE_NO_USER_DATA 0x0009 350#define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a 351#define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b 352#define SCTP_CAUSE_USER_INITIATED_ABT 0x000c 353#define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d 354 355/* Error causes from RFC5061 */ 356#define SCTP_CAUSE_DELETING_LAST_ADDR 0x00a0 357#define SCTP_CAUSE_RESOURCE_SHORTAGE 0x00a1 358#define SCTP_CAUSE_DELETING_SRC_ADDR 0x00a2 359#define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x00a3 360#define SCTP_CAUSE_REQUEST_REFUSED 0x00a4 361 362/* Error causes from nat-draft */ 363#define SCTP_CAUSE_NAT_COLLIDING_STATE 0x00b0 364#define SCTP_CAUSE_NAT_MISSING_STATE 0x00b1 365 366/* Error causes from RFC4895 */ 367#define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105 368 369/* 370 * error cause parameters (user visible) 371 */ 372struct sctp_gen_error_cause { 373 uint16_t code; 374 uint16_t length; 375 uint8_t info[]; 376} SCTP_PACKED; 377 378struct sctp_error_cause { 379 uint16_t code; 380 uint16_t length; 381 /* optional cause-specific info may follow */ 382} SCTP_PACKED; 383 384struct sctp_error_invalid_stream { 385 struct sctp_error_cause cause; /* code=SCTP_ERROR_INVALID_STREAM */ 386 uint16_t stream_id; /* stream id of the DATA in error */ 387 uint16_t reserved; 388} SCTP_PACKED; 389 390struct sctp_error_missing_param { 391 struct sctp_error_cause cause; /* code=SCTP_ERROR_MISSING_PARAM */ 392 uint32_t num_missing_params; /* number of missing parameters */ 393 /* uint16_t param_type's follow */ 394} SCTP_PACKED; 395 396struct sctp_error_stale_cookie { 397 struct sctp_error_cause cause; /* code=SCTP_ERROR_STALE_COOKIE */ 398 uint32_t stale_time; /* time in usec of staleness */ 399} SCTP_PACKED; 400 401struct sctp_error_out_of_resource { 402 struct sctp_error_cause cause; /* code=SCTP_ERROR_OUT_OF_RESOURCES */ 403} SCTP_PACKED; 404 405struct sctp_error_unresolv_addr { 406 struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */ 407 408} SCTP_PACKED; 409 410struct sctp_error_unrecognized_chunk { 411 struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRECOG_CHUNK */ 412 struct sctp_chunkhdr ch;/* header from chunk in error */ 413} SCTP_PACKED; 414 415struct sctp_error_no_user_data { 416 struct sctp_error_cause cause; /* code=SCTP_CAUSE_NO_USER_DATA */ 417 uint32_t tsn; /* TSN of the empty data chunk */ 418} SCTP_PACKED; 419 420/* 421 * Main SCTP chunk types we place these here so natd and f/w's in user land 422 * can find them. 423 */ 424/************0x00 series ***********/ 425#define SCTP_DATA 0x00 426#define SCTP_INITIATION 0x01 427#define SCTP_INITIATION_ACK 0x02 428#define SCTP_SELECTIVE_ACK 0x03 429#define SCTP_HEARTBEAT_REQUEST 0x04 430#define SCTP_HEARTBEAT_ACK 0x05 431#define SCTP_ABORT_ASSOCIATION 0x06 432#define SCTP_SHUTDOWN 0x07 433#define SCTP_SHUTDOWN_ACK 0x08 434#define SCTP_OPERATION_ERROR 0x09 435#define SCTP_COOKIE_ECHO 0x0a 436#define SCTP_COOKIE_ACK 0x0b 437#define SCTP_ECN_ECHO 0x0c 438#define SCTP_ECN_CWR 0x0d 439#define SCTP_SHUTDOWN_COMPLETE 0x0e 440/* RFC4895 */ 441#define SCTP_AUTHENTICATION 0x0f 442/* EY nr_sack chunk id*/ 443#define SCTP_NR_SELECTIVE_ACK 0x10 444/************0x40 series ***********/ 445/************0x80 series ***********/ 446/* RFC5061 */ 447#define SCTP_ASCONF_ACK 0x80 448/* draft-ietf-stewart-pktdrpsctp */ 449#define SCTP_PACKET_DROPPED 0x81 450/* draft-ietf-stewart-strreset-xxx */ 451#define SCTP_STREAM_RESET 0x82 452 453/* RFC4820 */ 454#define SCTP_PAD_CHUNK 0x84 455/************0xc0 series ***********/ 456/* RFC3758 */ 457#define SCTP_FORWARD_CUM_TSN 0xc0 458/* RFC5061 */ 459#define SCTP_ASCONF 0xc1 460 461 462/* ABORT and SHUTDOWN COMPLETE FLAG */ 463#define SCTP_HAD_NO_TCB 0x01 464 465/* Packet dropped flags */ 466#define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB 467#define SCTP_BADCRC 0x02 468#define SCTP_PACKET_TRUNCATED 0x04 469 470/* Flag for ECN -CWR */ 471#define SCTP_CWR_REDUCE_OVERRIDE 0x01 472#define SCTP_CWR_IN_SAME_WINDOW 0x02 473 474#define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite 475 * time */ 476#define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst 477 * in sat */ 478 479/* Data Chuck Specific Flags */ 480#define SCTP_DATA_FRAG_MASK 0x03 481#define SCTP_DATA_MIDDLE_FRAG 0x00 482#define SCTP_DATA_LAST_FRAG 0x01 483#define SCTP_DATA_FIRST_FRAG 0x02 484#define SCTP_DATA_NOT_FRAG 0x03 485#define SCTP_DATA_UNORDERED 0x04 486#define SCTP_DATA_SACK_IMMEDIATELY 0x08 487/* ECN Nonce: SACK Chunk Specific Flags */ 488#define SCTP_SACK_NONCE_SUM 0x01 489 490/* CMT DAC algorithm SACK flag */ 491#define SCTP_SACK_CMT_DAC 0x80 492 493/* 494 * PCB flags (in sctp_flags bitmask). 495 * Note the features and flags are meant 496 * for use by netstat. 497 */ 498#define SCTP_PCB_FLAGS_UDPTYPE 0x00000001 499#define SCTP_PCB_FLAGS_TCPTYPE 0x00000002 500#define SCTP_PCB_FLAGS_BOUNDALL 0x00000004 501#define SCTP_PCB_FLAGS_ACCEPTING 0x00000008 502#define SCTP_PCB_FLAGS_UNBOUND 0x00000010 503#define SCTP_PCB_FLAGS_CLOSE_IP 0x00040000 504#define SCTP_PCB_FLAGS_WAS_CONNECTED 0x00080000 505#define SCTP_PCB_FLAGS_WAS_ABORTED 0x00100000 506/* TCP model support */ 507 508#define SCTP_PCB_FLAGS_CONNECTED 0x00200000 509#define SCTP_PCB_FLAGS_IN_TCPPOOL 0x00400000 510#define SCTP_PCB_FLAGS_DONT_WAKE 0x00800000 511#define SCTP_PCB_FLAGS_WAKEOUTPUT 0x01000000 512#define SCTP_PCB_FLAGS_WAKEINPUT 0x02000000 513#define SCTP_PCB_FLAGS_BOUND_V6 0x04000000 514#define SCTP_PCB_FLAGS_BLOCKING_IO 0x08000000 515#define SCTP_PCB_FLAGS_SOCKET_GONE 0x10000000 516#define SCTP_PCB_FLAGS_SOCKET_ALLGONE 0x20000000 517#define SCTP_PCB_FLAGS_SOCKET_CANT_READ 0x40000000 518 519/* flags to copy to new PCB */ 520#define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 521 SCTP_PCB_FLAGS_WAKEINPUT|\ 522 SCTP_PCB_FLAGS_BOUND_V6) 523 524/* 525 * PCB Features (in sctp_features bitmask) 526 */ 527#define SCTP_PCB_FLAGS_DO_NOT_PMTUD 0x0000000000000001 528#define SCTP_PCB_FLAGS_EXT_RCVINFO 0x0000000000000002 /* deprecated */ 529#define SCTP_PCB_FLAGS_DONOT_HEARTBEAT 0x0000000000000004 530#define SCTP_PCB_FLAGS_FRAG_INTERLEAVE 0x0000000000000008 531#define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x0000000000000010 532#define SCTP_PCB_FLAGS_DO_ASCONF 0x0000000000000020 533#define SCTP_PCB_FLAGS_AUTO_ASCONF 0x0000000000000040 534#define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x0000000000000080 535/* socket options */ 536#define SCTP_PCB_FLAGS_NODELAY 0x0000000000000100 537#define SCTP_PCB_FLAGS_AUTOCLOSE 0x0000000000000200 538#define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x0000000000000400 /* deprecated */ 539#define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x0000000000000800 540#define SCTP_PCB_FLAGS_RECVPADDREVNT 0x0000000000001000 541#define SCTP_PCB_FLAGS_RECVPEERERR 0x0000000000002000 542#define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x0000000000004000 /* deprecated */ 543#define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x0000000000008000 544#define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x0000000000010000 545#define SCTP_PCB_FLAGS_PDAPIEVNT 0x0000000000020000 546#define SCTP_PCB_FLAGS_AUTHEVNT 0x0000000000040000 547#define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x0000000000080000 548#define SCTP_PCB_FLAGS_NO_FRAGMENT 0x0000000000100000 549#define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x0000000000400000 550#define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x0000000000800000 551#define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x0000000001000000 552#define SCTP_PCB_FLAGS_PORTREUSE 0x0000000002000000 553#define SCTP_PCB_FLAGS_DRYEVNT 0x0000000004000000 554#define SCTP_PCB_FLAGS_RECVRCVINFO 0x0000000008000000 555#define SCTP_PCB_FLAGS_RECVNXTINFO 0x0000000010000000 556#define SCTP_PCB_FLAGS_ASSOC_RESETEVNT 0x0000000020000000 557#define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x0000000040000000 558#define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x0000000080000000 559 560/*- 561 * mobility_features parameters (by micchie).Note 562 * these features are applied against the 563 * sctp_mobility_features flags.. not the sctp_features 564 * flags. 565 */ 566#define SCTP_MOBILITY_BASE 0x00000001 567#define SCTP_MOBILITY_FASTHANDOFF 0x00000002 568#define SCTP_MOBILITY_PRIM_DELETED 0x00000004 569 570 571#define SCTP_SMALLEST_PMTU 512 /* smallest pmtu allowed when disabling PMTU 572 * discovery */ 573 574#undef SCTP_PACKED 575 576#include <netinet/sctp_uio.h> 577 578/* This dictates the size of the packet 579 * collection buffer. This only applies 580 * if SCTP_PACKET_LOGGING is enabled in 581 * your config. 582 */ 583#define SCTP_PACKET_LOG_SIZE 65536 584 585/* Maximum delays and such a user can set for options that 586 * take ms. 587 */ 588#define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */ 589#define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */ 590#define SCTP_MAX_COOKIE_LIFE 3600000 /* 1 hour in ms */ 591 592 593/* Types of logging/KTR tracing that can be enabled via the 594 * sysctl net.inet.sctp.sctp_logging. You must also enable 595 * SUBSYS tracing. 596 * Note that you must have the SCTP option in the kernel 597 * to enable these as well. 598 */ 599#define SCTP_BLK_LOGGING_ENABLE 0x00000001 600#define SCTP_CWND_MONITOR_ENABLE 0x00000002 601#define SCTP_CWND_LOGGING_ENABLE 0x00000004 602#define SCTP_FLIGHT_LOGGING_ENABLE 0x00000020 603#define SCTP_FR_LOGGING_ENABLE 0x00000040 604#define SCTP_LOCK_LOGGING_ENABLE 0x00000080 605#define SCTP_MAP_LOGGING_ENABLE 0x00000100 606#define SCTP_MBCNT_LOGGING_ENABLE 0x00000200 607#define SCTP_MBUF_LOGGING_ENABLE 0x00000400 608#define SCTP_NAGLE_LOGGING_ENABLE 0x00000800 609#define SCTP_RECV_RWND_LOGGING_ENABLE 0x00001000 610#define SCTP_RTTVAR_LOGGING_ENABLE 0x00002000 611#define SCTP_SACK_LOGGING_ENABLE 0x00004000 612#define SCTP_SACK_RWND_LOGGING_ENABLE 0x00008000 613#define SCTP_SB_LOGGING_ENABLE 0x00010000 614#define SCTP_STR_LOGGING_ENABLE 0x00020000 615#define SCTP_WAKE_LOGGING_ENABLE 0x00040000 616#define SCTP_LOG_MAXBURST_ENABLE 0x00080000 617#define SCTP_LOG_RWND_ENABLE 0x00100000 618#define SCTP_LOG_SACK_ARRIVALS_ENABLE 0x00200000 619#define SCTP_LTRACE_CHUNK_ENABLE 0x00400000 620#define SCTP_LTRACE_ERROR_ENABLE 0x00800000 621#define SCTP_LAST_PACKET_TRACING 0x01000000 622#define SCTP_THRESHOLD_LOGGING 0x02000000 623#define SCTP_LOG_AT_SEND_2_SCTP 0x04000000 624#define SCTP_LOG_AT_SEND_2_OUTQ 0x08000000 625#define SCTP_LOG_TRY_ADVANCE 0x10000000 626 627#endif /* !_NETINET_SCTP_H_ */ 628