sctp.h revision 235828
117680Spst/*- 239300Sfenner * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 317680Spst * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 417680Spst * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 517680Spst * 617680Spst * Redistribution and use in source and binary forms, with or without 717680Spst * modification, are permitted provided that the following conditions are met: 817680Spst * 917680Spst * a) Redistributions of source code must retain the above copyright notice, 1017680Spst * this list of conditions and the following disclaimer. 1117680Spst * 1217680Spst * b) Redistributions in binary form must reproduce the above copyright 1317680Spst * notice, this list of conditions and the following disclaimer in 1417680Spst * the documentation and/or other materials provided with the distribution. 1517680Spst * 1617680Spst * c) Neither the name of Cisco Systems, Inc. nor the names of its 1717680Spst * contributors may be used to endorse or promote products derived 1817680Spst * from this software without specific prior written permission. 1917680Spst * 2056896Sfenner * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2156896Sfenner * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 2217680Spst * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2317680Spst * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 2417680Spst * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25127675Sbms * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26190207Srpaulo * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2717680Spst * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2817680Spst * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2956896Sfenner * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 3056896Sfenner * THE POSSIBILITY OF SUCH DAMAGE. 3156896Sfenner */ 3256896Sfenner 33127675Sbms#include <sys/cdefs.h> 3417680Spst__FBSDID("$FreeBSD: head/sys/netinet/sctp.h 235828 2012-05-23 11:26:28Z tuexen $"); 3517680Spst 3617680Spst#ifndef _NETINET_SCTP_H_ 3717680Spst#define _NETINET_SCTP_H_ 3817680Spst 3917680Spst 4017680Spst#include <sys/types.h> 4117680Spst 4217680Spst 4375118Sfenner#define SCTP_PACKED __attribute__((packed)) 44127675Sbms 4575118Sfenner/* 46146778Ssam * SCTP protocol - RFC2960. 47146778Ssam */ 48146778Ssamstruct sctphdr { 49146778Ssam uint16_t src_port; /* source port */ 50146778Ssam uint16_t dest_port; /* destination port */ 51146778Ssam uint32_t v_tag; /* verification tag of packet */ 52146778Ssam uint32_t checksum; /* Adler32 C-Sum */ 53146778Ssam /* chunks follow... */ 54146778Ssam} SCTP_PACKED; 55172686Smlaier 56146778Ssam/* 57146778Ssam * SCTP Chunks 58146778Ssam */ 5917680Spststruct sctp_chunkhdr { 6017680Spst uint8_t chunk_type; /* chunk type */ 6117680Spst uint8_t chunk_flags; /* chunk flags */ 6217680Spst uint16_t chunk_length; /* chunk length */ 63146778Ssam /* optional params follow */ 6417680Spst} SCTP_PACKED; 65127675Sbms 6617680Spst/* 6717680Spst * SCTP chunk parameters 68127675Sbms */ 69127675Sbmsstruct sctp_paramhdr { 70127675Sbms uint16_t param_type; /* parameter type */ 71127675Sbms uint16_t param_length; /* parameter length */ 7217680Spst} SCTP_PACKED; 73127675Sbms 74127675Sbms/* 7517680Spst * user socket options: socket API defined 76127675Sbms */ 7717680Spst/* 7817680Spst * read-write options 79172686Smlaier */ 80146778Ssam#define SCTP_RTOINFO 0x00000001 81172686Smlaier#define SCTP_ASSOCINFO 0x00000002 8217680Spst#define SCTP_INITMSG 0x00000003 8317680Spst#define SCTP_NODELAY 0x00000004 8417680Spst#define SCTP_AUTOCLOSE 0x00000005 85127675Sbms#define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006 86146778Ssam#define SCTP_PRIMARY_ADDR 0x00000007 87127675Sbms#define SCTP_ADAPTATION_LAYER 0x00000008 88127675Sbms/* same as above */ 89127675Sbms#define SCTP_ADAPTION_LAYER 0x00000008 90127675Sbms#define SCTP_DISABLE_FRAGMENTS 0x00000009 91127675Sbms#define SCTP_PEER_ADDR_PARAMS 0x0000000a 92235530Sdelphij#define SCTP_DEFAULT_SEND_PARAM 0x0000000b 93127675Sbms/* ancillary data/notification interest options */ 94127675Sbms#define SCTP_EVENTS 0x0000000c /* deprecated */ 95127675Sbms/* Without this applied we will give V4 and V6 addresses on a V6 socket */ 96127675Sbms#define SCTP_I_WANT_MAPPED_V4_ADDR 0x0000000d 97127675Sbms#define SCTP_MAXSEG 0x0000000e 98127675Sbms#define SCTP_DELAYED_SACK 0x0000000f 99127675Sbms#define SCTP_FRAGMENT_INTERLEAVE 0x00000010 100127675Sbms#define SCTP_PARTIAL_DELIVERY_POINT 0x00000011 101127675Sbms/* authentication support */ 102127675Sbms#define SCTP_AUTH_CHUNK 0x00000012 103127675Sbms#define SCTP_AUTH_KEY 0x00000013 104127675Sbms#define SCTP_HMAC_IDENT 0x00000014 105127675Sbms#define SCTP_AUTH_ACTIVE_KEY 0x00000015 106127675Sbms#define SCTP_AUTH_DELETE_KEY 0x00000016 107127675Sbms#define SCTP_USE_EXT_RCVINFO 0x00000017 108146778Ssam#define SCTP_AUTO_ASCONF 0x00000018 /* rw */ 109146778Ssam#define SCTP_MAXBURST 0x00000019 /* rw */ 110146778Ssam#define SCTP_MAX_BURST 0x00000019 /* rw */ 111127675Sbms/* assoc level context */ 112127675Sbms#define SCTP_CONTEXT 0x0000001a /* rw */ 113127675Sbms/* explicit EOR signalling */ 114127675Sbms#define SCTP_EXPLICIT_EOR 0x0000001b 115146778Ssam#define SCTP_REUSE_PORT 0x0000001c /* rw */ 116146778Ssam#define SCTP_AUTH_DEACTIVATE_KEY 0x0000001d 117127675Sbms#define SCTP_EVENT 0x0000001e 118127675Sbms#define SCTP_RECVRCVINFO 0x0000001f 119127675Sbms#define SCTP_RECVNXTINFO 0x00000020 120127675Sbms#define SCTP_DEFAULT_SNDINFO 0x00000021 121127675Sbms#define SCTP_DEFAULT_PRINFO 0x00000022 122127675Sbms#define SCTP_PEER_ADDR_THLDS 0x00000023 123127675Sbms#define SCTP_REMOTE_UDP_ENCAPS_PORT 0x00000024 124146778Ssam 125127675Sbms/* 126127675Sbms * read-only options 127127675Sbms */ 128127675Sbms#define SCTP_STATUS 0x00000100 129127675Sbms#define SCTP_GET_PEER_ADDR_INFO 0x00000101 130146778Ssam/* authentication support */ 131146778Ssam#define SCTP_PEER_AUTH_CHUNKS 0x00000102 132127675Sbms#define SCTP_LOCAL_AUTH_CHUNKS 0x00000103 133127675Sbms#define SCTP_GET_ASSOC_NUMBER 0x00000104 /* ro */ 134235530Sdelphij#define SCTP_GET_ASSOC_ID_LIST 0x00000105 /* ro */ 135235530Sdelphij#define SCTP_TIMEOUTS 0x00000106 136235530Sdelphij 137235530Sdelphij/* 138235530Sdelphij * user socket options: BSD implementation specific 139235530Sdelphij */ 140235530Sdelphij/* 141235530Sdelphij * Blocking I/O is enabled on any TCP type socket by default. For the UDP 142235530Sdelphij * model if this is turned on then the socket buffer is shared for send 143235530Sdelphij * resources amongst all associations. The default for the UDP model is that 144235530Sdelphij * is SS_NBIO is set. Which means all associations have a separate send 145235530Sdelphij * limit BUT they will NOT ever BLOCK instead you will get an error back 146235530Sdelphij * EAGAIN if you try to send too much. If you want the blocking semantics you 147235530Sdelphij * set this option at the cost of sharing one socket send buffer size amongst 148235530Sdelphij * all associations. Peeled off sockets turn this option off and block. But 149235530Sdelphij * since both TCP and peeled off sockets have only one assoc per socket this 150235530Sdelphij * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP 151235530Sdelphij * model OR peeled off UDP model, but we do allow you to do so. You just use 152235530Sdelphij * the normal syscall to toggle SS_NBIO the way you want. 153235530Sdelphij * 154235530Sdelphij * Blocking I/O is controlled by the SS_NBIO flag on the socket state so_state 155235530Sdelphij * field. 156235530Sdelphij */ 157235530Sdelphij 158235530Sdelphij#define SCTP_ENABLE_STREAM_RESET 0x00000900 /* struct 159235530Sdelphij * sctp_assoc_value */ 160235530Sdelphij#define SCTP_RESET_STREAMS 0x00000901 /* struct 161235530Sdelphij * sctp_reset_streams */ 162235530Sdelphij#define SCTP_RESET_ASSOC 0x00000902 /* sctp_assoc_t */ 163235530Sdelphij#define SCTP_ADD_STREAMS 0x00000903 /* struct 164235530Sdelphij * sctp_add_streams */ 165235530Sdelphij 166235530Sdelphij/* For enable stream reset */ 16756896Sfenner#define SCTP_ENABLE_RESET_STREAM_REQ 0x00000001 16856896Sfenner#define SCTP_ENABLE_RESET_ASSOC_REQ 0x00000002 16956896Sfenner#define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x00000004 170127675Sbms#define SCTP_ENABLE_VALUE_MASK 0x00000007 171127675Sbms/* For reset streams */ 17256896Sfenner#define SCTP_STREAM_RESET_INCOMING 0x00000001 173127675Sbms#define SCTP_STREAM_RESET_OUTGOING 0x00000002 17456896Sfenner 175127675Sbms 176172686Smlaier/* here on down are more implementation specific */ 177127675Sbms#define SCTP_SET_DEBUG_LEVEL 0x00001005 178127675Sbms#define SCTP_CLR_STAT_LOG 0x00001007 17956896Sfenner/* CMT ON/OFF socket option */ 18056896Sfenner#define SCTP_CMT_ON_OFF 0x00001200 18156896Sfenner#define SCTP_CMT_USE_DAC 0x00001201 182172686Smlaier/* JRS - Pluggable Congestion Control Socket option */ 183127675Sbms#define SCTP_PLUGGABLE_CC 0x00001202 184127675Sbms/* RS - Pluggable Stream Scheduling Socket option */ 18556896Sfenner#define SCTP_PLUGGABLE_SS 0x00001203 186172686Smlaier#define SCTP_SS_VALUE 0x00001204 18756896Sfenner#define SCTP_CC_OPTION 0x00001205 /* Options for CC 18856896Sfenner * modules */ 18956896Sfenner/* read only */ 19056896Sfenner#define SCTP_GET_SNDBUF_USE 0x00001101 19156896Sfenner#define SCTP_GET_STAT_LOG 0x00001103 19256896Sfenner#define SCTP_PCB_STATUS 0x00001104 19356896Sfenner#define SCTP_GET_NONCE_VALUES 0x00001105 19456896Sfenner 19556896Sfenner 19656896Sfenner/* Special hook for dynamically setting primary for all assoc's, 19756896Sfenner * this is a write only option that requires root privilege. 19856896Sfenner */ 19956896Sfenner#define SCTP_SET_DYNAMIC_PRIMARY 0x00002001 20056896Sfenner 20156896Sfenner/* VRF (virtual router feature) and multi-VRF support 20256896Sfenner * options. VRF's provide splits within a router 20356896Sfenner * that give the views of multiple routers. A 20456896Sfenner * standard host, without VRF support, is just 20556896Sfenner * a single VRF. If VRF's are supported then 206127675Sbms * the transport must be VRF aware. This means 20756896Sfenner * that every socket call coming in must be directed 20856896Sfenner * within the endpoint to one of the VRF's it belongs 20956896Sfenner * to. The endpoint, before binding, may select 21056896Sfenner * the "default" VRF it is in by using a set socket 21156896Sfenner * option with SCTP_VRF_ID. This will also 21256896Sfenner * get propagated to the default VRF. Once the 21356896Sfenner * endpoint binds an address then it CANNOT add 21456896Sfenner * additional VRF's to become a Multi-VRF endpoint. 21556896Sfenner * 21656896Sfenner * Before BINDING additional VRF's can be added with 21756896Sfenner * the SCTP_ADD_VRF_ID call or deleted with 21856896Sfenner * SCTP_DEL_VRF_ID. 21956896Sfenner * 22056896Sfenner * Associations are ALWAYS contained inside a single 22156896Sfenner * VRF. They cannot reside in two (or more) VRF's. Incoming 22256896Sfenner * packets, assuming the router is VRF aware, can always 22356896Sfenner * tell us what VRF they arrived on. A host not supporting 22456896Sfenner * any VRF's will find that the packets always arrived on the 22556896Sfenner * single VRF that the host has. 22656896Sfenner * 22756896Sfenner */ 22856896Sfenner 22917680Spst#define SCTP_VRF_ID 0x00003001 23017680Spst#define SCTP_ADD_VRF_ID 0x00003002 23117680Spst#define SCTP_GET_VRF_IDS 0x00003003 23217680Spst#define SCTP_GET_ASOC_VRF 0x00003004 23317680Spst#define SCTP_DEL_VRF_ID 0x00003005 23417680Spst 235146778Ssam/* 236172686Smlaier * If you enable packet logging you can get 23717680Spst * a poor mans ethereal output in binary 238146778Ssam * form. Note this is a compile option to 239146778Ssam * the kernel, SCTP_PACKET_LOGGING, and 24017680Spst * without it in your kernel you 241172686Smlaier * will get a EOPNOTSUPP 242172686Smlaier */ 243172686Smlaier#define SCTP_GET_PACKET_LOG 0x00004001 244127675Sbms 245146778Ssam/* 246146778Ssam * hidden implementation specific options these are NOT user visible (should 247172686Smlaier * move out of sctp.h) 248172686Smlaier */ 249172686Smlaier/* sctp_bindx() flags as hidden socket options */ 250146778Ssam#define SCTP_BINDX_ADD_ADDR 0x00008001 251146778Ssam#define SCTP_BINDX_REM_ADDR 0x00008002 252146778Ssam/* Hidden socket option that gets the addresses */ 253146778Ssam#define SCTP_GET_PEER_ADDRESSES 0x00008003 25475118Sfenner#define SCTP_GET_LOCAL_ADDRESSES 0x00008004 255127675Sbms/* return the total count in bytes needed to hold all local addresses bound */ 256172686Smlaier#define SCTP_GET_LOCAL_ADDR_SIZE 0x00008005 257172686Smlaier/* Return the total count in bytes needed to hold the remote address */ 258172686Smlaier#define SCTP_GET_REMOTE_ADDR_SIZE 0x00008006 259172686Smlaier/* hidden option for connectx */ 260172686Smlaier#define SCTP_CONNECT_X 0x00008007 26175118Sfenner/* hidden option for connectx_delayed, part of sendx */ 26217680Spst#define SCTP_CONNECT_X_DELAYED 0x00008008 263172686Smlaier#define SCTP_CONNECT_X_COMPLETE 0x00008009 264172686Smlaier/* hidden socket option based sctp_peeloff */ 265172686Smlaier#define SCTP_PEELOFF 0x0000800a 266172686Smlaier/* the real worker for sctp_getaddrlen() */ 267146778Ssam#define SCTP_GET_ADDR_LEN 0x0000800b 268146778Ssam/* Debug things that need to be purged */ 269146778Ssam#define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00 270146778Ssam 27117680Spst/* JRS - Supported congestion control modules for pluggable 27217680Spst * congestion control 27317680Spst */ 27417680Spst/* Standard TCP Congestion Control */ 275146778Ssam#define SCTP_CC_RFC2581 0x00000000 27617680Spst/* High Speed TCP Congestion Control (Floyd) */ 27717680Spst#define SCTP_CC_HSTCP 0x00000001 278146778Ssam/* HTCP Congestion Control */ 27917680Spst#define SCTP_CC_HTCP 0x00000002 28017680Spst/* RTCC Congestion Control - RFC2581 plus */ 281172686Smlaier#define SCTP_CC_RTCC 0x00000003 28217680Spst 28317680Spst#define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 28417691Spst#define SCTP_CC_OPT_USE_DCCC_ECN 0x00002001 285172686Smlaier#define SCTP_CC_OPT_STEADY_STEP 0x00002002 286172686Smlaier 287172686Smlaier#define SCTP_CMT_OFF 0 288172686Smlaier#define SCTP_CMT_BASE 1 289146778Ssam#define SCTP_CMT_RPV1 2 290146778Ssam#define SCTP_CMT_RPV2 3 291172686Smlaier#define SCTP_CMT_MPTCP 4 29298527Sfenner#define SCTP_CMT_MAX SCTP_CMT_MPTCP 29317691Spst 294146778Ssam/* RS - Supported stream scheduling modules for pluggable 295146778Ssam * stream scheduling 29617680Spst */ 29717680Spst/* Default simple round-robin */ 29817680Spst#define SCTP_SS_DEFAULT 0x00000000 29917680Spst/* Real round-robin */ 300127675Sbms#define SCTP_SS_ROUND_ROBIN 0x00000001 301127675Sbms/* Real round-robin per packet */ 302127675Sbms#define SCTP_SS_ROUND_ROBIN_PACKET 0x00000002 303127675Sbms/* Priority */ 30417680Spst#define SCTP_SS_PRIORITY 0x00000003 30517680Spst/* Fair Bandwidth */ 306127675Sbms#define SCTP_SS_FAIR_BANDWITH 0x00000004 307127675Sbms/* First-come, first-serve */ 308127675Sbms#define SCTP_SS_FIRST_COME 0x00000005 309127675Sbms 310127675Sbms 311127675Sbms/* fragment interleave constants 312127675Sbms * setting must be one of these or 313127675Sbms * EINVAL returned. 314127675Sbms */ 315146778Ssam#define SCTP_FRAG_LEVEL_0 0x00000000 316146778Ssam#define SCTP_FRAG_LEVEL_1 0x00000001 317146778Ssam#define SCTP_FRAG_LEVEL_2 0x00000002 318146778Ssam 319146778Ssam/* 320146778Ssam * user state values 321146778Ssam */ 322146778Ssam#define SCTP_CLOSED 0x0000 323146778Ssam#define SCTP_BOUND 0x1000 324146778Ssam#define SCTP_LISTEN 0x2000 325146778Ssam#define SCTP_COOKIE_WAIT 0x0002 326146778Ssam#define SCTP_COOKIE_ECHOED 0x0004 327146778Ssam#define SCTP_ESTABLISHED 0x0008 328235530Sdelphij#define SCTP_SHUTDOWN_SENT 0x0010 329146778Ssam#define SCTP_SHUTDOWN_RECEIVED 0x0020 330146778Ssam#define SCTP_SHUTDOWN_ACK_SENT 0x0040 331146778Ssam#define SCTP_SHUTDOWN_PENDING 0x0080 332146778Ssam 333146778Ssam/* 334146778Ssam * SCTP operational error codes (user visible) 335146778Ssam */ 336146778Ssam#define SCTP_CAUSE_NO_ERROR 0x0000 337146778Ssam#define SCTP_CAUSE_INVALID_STREAM 0x0001 338146778Ssam#define SCTP_CAUSE_MISSING_PARAM 0x0002 339146778Ssam#define SCTP_CAUSE_STALE_COOKIE 0x0003 340146778Ssam#define SCTP_CAUSE_OUT_OF_RESC 0x0004 341146778Ssam#define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005 342146778Ssam#define SCTP_CAUSE_UNRECOG_CHUNK 0x0006 343146778Ssam#define SCTP_CAUSE_INVALID_PARAM 0x0007 344146778Ssam#define SCTP_CAUSE_UNRECOG_PARAM 0x0008 345146778Ssam#define SCTP_CAUSE_NO_USER_DATA 0x0009 346146778Ssam#define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a 347146778Ssam#define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b 348146778Ssam#define SCTP_CAUSE_USER_INITIATED_ABT 0x000c 349146778Ssam#define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d 350146778Ssam 351146778Ssam/* Error causes from RFC5061 */ 352146778Ssam#define SCTP_CAUSE_DELETING_LAST_ADDR 0x00a0 353146778Ssam#define SCTP_CAUSE_RESOURCE_SHORTAGE 0x00a1 354146778Ssam#define SCTP_CAUSE_DELETING_SRC_ADDR 0x00a2 355146778Ssam#define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x00a3 356146778Ssam#define SCTP_CAUSE_REQUEST_REFUSED 0x00a4 357146778Ssam 358146778Ssam/* Error causes from nat-draft */ 359146778Ssam#define SCTP_CAUSE_NAT_COLLIDING_STATE 0x00b0 360146778Ssam#define SCTP_CAUSE_NAT_MISSING_STATE 0x00b1 361146778Ssam 362146778Ssam/* Error causes from RFC4895 */ 363146778Ssam#define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105 364146778Ssam 365146778Ssam/* 366146778Ssam * error cause parameters (user visible) 367146778Ssam */ 368146778Ssamstruct sctp_error_cause { 369146778Ssam uint16_t code; 370146778Ssam uint16_t length; 371162021Ssam /* optional cause-specific info may follow */ 372162021Ssam} SCTP_PACKED; 373162021Ssam 374162021Ssamstruct sctp_error_invalid_stream { 375146778Ssam struct sctp_error_cause cause; /* code=SCTP_ERROR_INVALID_STREAM */ 376146778Ssam uint16_t stream_id; /* stream id of the DATA in error */ 377172686Smlaier uint16_t reserved; 378146778Ssam} SCTP_PACKED; 379172686Smlaier 380146778Ssamstruct sctp_error_missing_param { 381146778Ssam struct sctp_error_cause cause; /* code=SCTP_ERROR_MISSING_PARAM */ 382146778Ssam uint32_t num_missing_params; /* number of missing parameters */ 383172686Smlaier /* uint16_t param_type's follow */ 384146778Ssam} SCTP_PACKED; 385172686Smlaier 386146778Ssamstruct sctp_error_stale_cookie { 387146778Ssam struct sctp_error_cause cause; /* code=SCTP_ERROR_STALE_COOKIE */ 388146778Ssam uint32_t stale_time; /* time in usec of staleness */ 389146778Ssam} SCTP_PACKED; 390146778Ssam 391172686Smlaierstruct sctp_error_out_of_resource { 392146778Ssam struct sctp_error_cause cause; /* code=SCTP_ERROR_OUT_OF_RESOURCES */ 393146778Ssam} SCTP_PACKED; 394146778Ssam 395146778Ssamstruct sctp_error_unresolv_addr { 396146778Ssam struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */ 397146778Ssam 398146778Ssam} SCTP_PACKED; 399146778Ssam 400146778Ssamstruct sctp_error_unrecognized_chunk { 401146778Ssam struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRECOG_CHUNK */ 402146778Ssam struct sctp_chunkhdr ch;/* header from chunk in error */ 403146778Ssam} SCTP_PACKED; 404146778Ssam 405146778Ssam/* 406146778Ssam * Main SCTP chunk types we place these here so natd and f/w's in user land 407146778Ssam * can find them. 408146778Ssam */ 409146778Ssam/************0x00 series ***********/ 410146778Ssam#define SCTP_DATA 0x00 411146778Ssam#define SCTP_INITIATION 0x01 412146778Ssam#define SCTP_INITIATION_ACK 0x02 413146778Ssam#define SCTP_SELECTIVE_ACK 0x03 414146778Ssam#define SCTP_HEARTBEAT_REQUEST 0x04 415146778Ssam#define SCTP_HEARTBEAT_ACK 0x05 416146778Ssam#define SCTP_ABORT_ASSOCIATION 0x06 417146778Ssam#define SCTP_SHUTDOWN 0x07 418146778Ssam#define SCTP_SHUTDOWN_ACK 0x08 419146778Ssam#define SCTP_OPERATION_ERROR 0x09 420146778Ssam#define SCTP_COOKIE_ECHO 0x0a 421146778Ssam#define SCTP_COOKIE_ACK 0x0b 422146778Ssam#define SCTP_ECN_ECHO 0x0c 423146778Ssam#define SCTP_ECN_CWR 0x0d 424146778Ssam#define SCTP_SHUTDOWN_COMPLETE 0x0e 425146778Ssam/* RFC4895 */ 426146778Ssam#define SCTP_AUTHENTICATION 0x0f 427146778Ssam/* EY nr_sack chunk id*/ 428146778Ssam#define SCTP_NR_SELECTIVE_ACK 0x10 429146778Ssam/************0x40 series ***********/ 430146778Ssam/************0x80 series ***********/ 431146778Ssam/* RFC5061 */ 432146778Ssam#define SCTP_ASCONF_ACK 0x80 433235530Sdelphij/* draft-ietf-stewart-pktdrpsctp */ 434146778Ssam#define SCTP_PACKET_DROPPED 0x81 435146778Ssam/* draft-ietf-stewart-strreset-xxx */ 436146778Ssam#define SCTP_STREAM_RESET 0x82 437146778Ssam 438146778Ssam/* RFC4820 */ 439146778Ssam#define SCTP_PAD_CHUNK 0x84 440146778Ssam/************0xc0 series ***********/ 441146778Ssam/* RFC3758 */ 442146778Ssam#define SCTP_FORWARD_CUM_TSN 0xc0 443235530Sdelphij/* RFC5061 */ 444146778Ssam#define SCTP_ASCONF 0xc1 445146778Ssam 446146778Ssam 447146778Ssam/* ABORT and SHUTDOWN COMPLETE FLAG */ 448146778Ssam#define SCTP_HAD_NO_TCB 0x01 449146778Ssam 450146778Ssam/* Packet dropped flags */ 451146778Ssam#define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB 452146778Ssam#define SCTP_BADCRC 0x02 453146778Ssam#define SCTP_PACKET_TRUNCATED 0x04 454146778Ssam 455146778Ssam/* Flag for ECN -CWR */ 456146778Ssam#define SCTP_CWR_REDUCE_OVERRIDE 0x01 457146778Ssam#define SCTP_CWR_IN_SAME_WINDOW 0x02 458146778Ssam 459146778Ssam#define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite 460146778Ssam * time */ 461235530Sdelphij#define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst 462235530Sdelphij * in sat */ 463235530Sdelphij 464146778Ssam/* Data Chuck Specific Flags */ 465146778Ssam#define SCTP_DATA_FRAG_MASK 0x03 466146778Ssam#define SCTP_DATA_MIDDLE_FRAG 0x00 467235530Sdelphij#define SCTP_DATA_LAST_FRAG 0x01 468235530Sdelphij#define SCTP_DATA_FIRST_FRAG 0x02 469235530Sdelphij#define SCTP_DATA_NOT_FRAG 0x03 470235530Sdelphij#define SCTP_DATA_UNORDERED 0x04 471235530Sdelphij#define SCTP_DATA_SACK_IMMEDIATELY 0x08 472235530Sdelphij/* ECN Nonce: SACK Chunk Specific Flags */ 473235530Sdelphij#define SCTP_SACK_NONCE_SUM 0x01 474235530Sdelphij 475235530Sdelphij/* CMT DAC algorithm SACK flag */ 476235530Sdelphij#define SCTP_SACK_CMT_DAC 0x80 477235530Sdelphij 478235530Sdelphij/* 479235530Sdelphij * PCB flags (in sctp_flags bitmask). 480146778Ssam * Note the features and flags are meant 481146778Ssam * for use by netstat. 482147904Ssam */ 483147904Ssam#define SCTP_PCB_FLAGS_UDPTYPE 0x00000001 484147904Ssam#define SCTP_PCB_FLAGS_TCPTYPE 0x00000002 485147904Ssam#define SCTP_PCB_FLAGS_BOUNDALL 0x00000004 486241221Sglebius#define SCTP_PCB_FLAGS_ACCEPTING 0x00000008 487241221Sglebius#define SCTP_PCB_FLAGS_UNBOUND 0x00000010 488241221Sglebius#define SCTP_PCB_FLAGS_CLOSE_IP 0x00040000 489241221Sglebius#define SCTP_PCB_FLAGS_WAS_CONNECTED 0x00080000 490146778Ssam#define SCTP_PCB_FLAGS_WAS_ABORTED 0x00100000 491146778Ssam/* TCP model support */ 492146778Ssam 493146778Ssam#define SCTP_PCB_FLAGS_CONNECTED 0x00200000 494146778Ssam#define SCTP_PCB_FLAGS_IN_TCPPOOL 0x00400000 495146778Ssam#define SCTP_PCB_FLAGS_DONT_WAKE 0x00800000 496146778Ssam#define SCTP_PCB_FLAGS_WAKEOUTPUT 0x01000000 497146778Ssam#define SCTP_PCB_FLAGS_WAKEINPUT 0x02000000 498146778Ssam#define SCTP_PCB_FLAGS_BOUND_V6 0x04000000 499146778Ssam#define SCTP_PCB_FLAGS_BLOCKING_IO 0x08000000 500146778Ssam#define SCTP_PCB_FLAGS_SOCKET_GONE 0x10000000 501146778Ssam#define SCTP_PCB_FLAGS_SOCKET_ALLGONE 0x20000000 502146778Ssam#define SCTP_PCB_FLAGS_SOCKET_CANT_READ 0x40000000 503146778Ssam/* flags to copy to new PCB */ 504146778Ssam#define SCTP_PCB_COPY_FLAGS (SCTP_PCB_FLAGS_BOUNDALL|\ 505146778Ssam SCTP_PCB_FLAGS_WAKEINPUT|\ 506146778Ssam SCTP_PCB_FLAGS_BOUND_V6) 507146778Ssam 508146778Ssam 509146778Ssam/* 510146778Ssam * PCB Features (in sctp_features bitmask) 511146778Ssam */ 512146778Ssam#define SCTP_PCB_FLAGS_DO_NOT_PMTUD 0x00000001 513146778Ssam#define SCTP_PCB_FLAGS_EXT_RCVINFO 0x00000002 /* deprecated */ 514146778Ssam#define SCTP_PCB_FLAGS_DONOT_HEARTBEAT 0x00000004 515146778Ssam#define SCTP_PCB_FLAGS_FRAG_INTERLEAVE 0x00000008 516146778Ssam#define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x00000010 517146778Ssam#define SCTP_PCB_FLAGS_DO_ASCONF 0x00000020 518146778Ssam#define SCTP_PCB_FLAGS_AUTO_ASCONF 0x00000040 519127675Sbms#define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x00000080 52017680Spst/* socket options */ 52117680Spst#define SCTP_PCB_FLAGS_NODELAY 0x00000100 52217680Spst#define SCTP_PCB_FLAGS_AUTOCLOSE 0x00000200 523146778Ssam#define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x00000400 /* deprecated */ 524146778Ssam#define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x00000800 525146778Ssam#define SCTP_PCB_FLAGS_RECVPADDREVNT 0x00001000 52617680Spst#define SCTP_PCB_FLAGS_RECVPEERERR 0x00002000 527146778Ssam#define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x00004000 /* deprecated */ 528146778Ssam#define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x00008000 529127675Sbms#define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x00010000 530146778Ssam#define SCTP_PCB_FLAGS_PDAPIEVNT 0x00020000 531235530Sdelphij#define SCTP_PCB_FLAGS_AUTHEVNT 0x00040000 532146778Ssam#define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x00080000 533111729Sfenner#define SCTP_PCB_FLAGS_NO_FRAGMENT 0x00100000 53417680Spst#define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x00400000 535146778Ssam#define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x00800000 536146778Ssam#define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x01000000 537146778Ssam#define SCTP_PCB_FLAGS_PORTREUSE 0x02000000 538146778Ssam#define SCTP_PCB_FLAGS_DRYEVNT 0x04000000 539127675Sbms#define SCTP_PCB_FLAGS_RECVRCVINFO 0x08000000 540127675Sbms#define SCTP_PCB_FLAGS_RECVNXTINFO 0x10000000 541146778Ssam#define SCTP_PCB_FLAGS_ASSOC_RESETEVNT 0x20000000 542127675Sbms#define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x40000000 54317680Spst#define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x80000000 544235530Sdelphij 54517680Spst/*- 54617680Spst * mobility_features parameters (by micchie).Note 54717680Spst * these features are applied against the 54817680Spst * sctp_mobility_features flags.. not the sctp_features 549146778Ssam * flags. 55017680Spst */ 55117680Spst#define SCTP_MOBILITY_BASE 0x00000001 552146778Ssam#define SCTP_MOBILITY_FASTHANDOFF 0x00000002 55375118Sfenner#define SCTP_MOBILITY_PRIM_DELETED 0x00000004 554127675Sbms 55575118Sfenner 55675118Sfenner#define SCTP_SMALLEST_PMTU 512 /* smallest pmtu allowed when disabling PMTU 55717680Spst * discovery */ 558146778Ssam 559146778Ssam#include <netinet/sctp_uio.h> 560127675Sbms 561146778Ssam/* This dictates the size of the packet 562146778Ssam * collection buffer. This only applies 563146778Ssam * if SCTP_PACKET_LOGGING is enabled in 564146778Ssam * your config. 565146778Ssam */ 566146778Ssam#define SCTP_PACKET_LOG_SIZE 65536 567146778Ssam 568146778Ssam/* Maximum delays and such a user can set for options that 569146778Ssam * take ms. 570146778Ssam */ 571146778Ssam#define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */ 572146778Ssam#define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */ 573146778Ssam#define SCTP_MAX_COOKIE_LIFE 3600000 /* 1 hour in ms */ 574146778Ssam 575146778Ssam 576127675Sbms/* Types of logging/KTR tracing that can be enabled via the 577127675Sbms * sysctl net.inet.sctp.sctp_logging. You must also enable 578127675Sbms * SUBSYS tracing. 579127675Sbms * Note that you must have the SCTP option in the kernel 580127675Sbms * to enable these as well. 581146778Ssam */ 582235530Sdelphij#define SCTP_BLK_LOGGING_ENABLE 0x00000001 583235530Sdelphij#define SCTP_CWND_MONITOR_ENABLE 0x00000002 584127675Sbms#define SCTP_CWND_LOGGING_ENABLE 0x00000004 585146778Ssam#define SCTP_FLIGHT_LOGGING_ENABLE 0x00000020 58617680Spst#define SCTP_FR_LOGGING_ENABLE 0x00000040 587146778Ssam#define SCTP_LOCK_LOGGING_ENABLE 0x00000080 588127675Sbms#define SCTP_MAP_LOGGING_ENABLE 0x00000100 589127675Sbms#define SCTP_MBCNT_LOGGING_ENABLE 0x00000200 590146778Ssam#define SCTP_MBUF_LOGGING_ENABLE 0x00000400 591127675Sbms#define SCTP_NAGLE_LOGGING_ENABLE 0x00000800 592146778Ssam#define SCTP_RECV_RWND_LOGGING_ENABLE 0x00001000 593146778Ssam#define SCTP_RTTVAR_LOGGING_ENABLE 0x00002000 594127675Sbms#define SCTP_SACK_LOGGING_ENABLE 0x00004000 595127675Sbms#define SCTP_SACK_RWND_LOGGING_ENABLE 0x00008000 596127675Sbms#define SCTP_SB_LOGGING_ENABLE 0x00010000 597127675Sbms#define SCTP_STR_LOGGING_ENABLE 0x00020000 598127675Sbms#define SCTP_WAKE_LOGGING_ENABLE 0x00040000 599127675Sbms#define SCTP_LOG_MAXBURST_ENABLE 0x00080000 600127675Sbms#define SCTP_LOG_RWND_ENABLE 0x00100000 601127675Sbms#define SCTP_LOG_SACK_ARRIVALS_ENABLE 0x00200000 602127675Sbms#define SCTP_LTRACE_CHUNK_ENABLE 0x00400000 603127675Sbms#define SCTP_LTRACE_ERROR_ENABLE 0x00800000 604127675Sbms#define SCTP_LAST_PACKET_TRACING 0x01000000 605146778Ssam#define SCTP_THRESHOLD_LOGGING 0x02000000 606172686Smlaier#define SCTP_LOG_AT_SEND_2_SCTP 0x04000000 607127675Sbms#define SCTP_LOG_AT_SEND_2_OUTQ 0x08000000 608127675Sbms#define SCTP_LOG_TRY_ADVANCE 0x10000000 609127675Sbms 610127675Sbms 611127675Sbms#undef SCTP_PACKED 612127675Sbms 613127675Sbms#endif /* !_NETINET_SCTP_H_ */ 614172686Smlaier