netwerk/sctp/src/netinet/sctp.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/sctp/src/netinet/sctp.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,638 @@
     1.4 +/*-
     1.5 + * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
     1.6 + * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
     1.7 + * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
     1.8 + *
     1.9 + * Redistribution and use in source and binary forms, with or without
    1.10 + * modification, are permitted provided that the following conditions are met:
    1.11 + *
    1.12 + * a) Redistributions of source code must retain the above copyright notice,
    1.13 + *    this list of conditions and the following disclaimer.
    1.14 + *
    1.15 + * b) Redistributions in binary form must reproduce the above copyright
    1.16 + *    notice, this list of conditions and the following disclaimer in
    1.17 + *    the documentation and/or other materials provided with the distribution.
    1.18 + *
    1.19 + * c) Neither the name of Cisco Systems, Inc. nor the names of its
    1.20 + *    contributors may be used to endorse or promote products derived
    1.21 + *    from this software without specific prior written permission.
    1.22 + *
    1.23 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    1.24 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    1.25 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.26 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    1.27 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    1.28 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    1.29 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    1.30 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    1.31 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    1.32 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
    1.33 + * THE POSSIBILITY OF SUCH DAMAGE.
    1.34 + */
    1.35 +
    1.36 +#ifdef __FreeBSD__
    1.37 +#include <sys/cdefs.h>
    1.38 +__FBSDID("$FreeBSD: head/sys/netinet/sctp.h 254248 2013-08-12 13:52:15Z tuexen $");
    1.39 +#endif
    1.40 +
    1.41 +#ifndef _NETINET_SCTP_H_
    1.42 +#define _NETINET_SCTP_H_
    1.43 +
    1.44 +#if (defined(__APPLE__) || defined(__Userspace_os_Linux) || defined(__Userspace_os_Darwin))
    1.45 +#include <stdint.h>
    1.46 +#endif
    1.47 +
    1.48 +#include <sys/types.h>
    1.49 +
    1.50 +
    1.51 +#if !defined(__Userspace_os_Windows)
    1.52 +#define SCTP_PACKED __attribute__((packed))
    1.53 +#else
    1.54 +#pragma pack (push, 1)
    1.55 +#define SCTP_PACKED
    1.56 +#endif
    1.57 +
    1.58 +/*
    1.59 + * SCTP protocol - RFC2960.
    1.60 + */
    1.61 +struct sctphdr {
    1.62 +	uint16_t src_port;	/* source port */
    1.63 +	uint16_t dest_port;	/* destination port */
    1.64 +	uint32_t v_tag;		/* verification tag of packet */
    1.65 +	uint32_t checksum;	/* Adler32 C-Sum */
    1.66 +	/* chunks follow... */
    1.67 +} SCTP_PACKED;
    1.68 +
    1.69 +/*
    1.70 + * SCTP Chunks
    1.71 + */
    1.72 +struct sctp_chunkhdr {
    1.73 +	uint8_t chunk_type;	/* chunk type */
    1.74 +	uint8_t chunk_flags;	/* chunk flags */
    1.75 +	uint16_t chunk_length;	/* chunk length */
    1.76 +	/* optional params follow */
    1.77 +} SCTP_PACKED;
    1.78 +
    1.79 +/*
    1.80 + * SCTP chunk parameters
    1.81 + */
    1.82 +struct sctp_paramhdr {
    1.83 +	uint16_t param_type;	/* parameter type */
    1.84 +	uint16_t param_length;	/* parameter length */
    1.85 +} SCTP_PACKED;
    1.86 +
    1.87 +/*
    1.88 + * user socket options: socket API defined
    1.89 + */
    1.90 +/*
    1.91 + * read-write options
    1.92 + */
    1.93 +#define SCTP_RTOINFO			0x00000001
    1.94 +#define SCTP_ASSOCINFO			0x00000002
    1.95 +#define SCTP_INITMSG			0x00000003
    1.96 +#define SCTP_NODELAY			0x00000004
    1.97 +#define SCTP_AUTOCLOSE			0x00000005
    1.98 +#define SCTP_SET_PEER_PRIMARY_ADDR	0x00000006
    1.99 +#define SCTP_PRIMARY_ADDR		0x00000007
   1.100 +#define SCTP_ADAPTATION_LAYER		0x00000008
   1.101 +/* same as above */
   1.102 +#define SCTP_ADAPTION_LAYER		0x00000008
   1.103 +#define SCTP_DISABLE_FRAGMENTS		0x00000009
   1.104 +#define SCTP_PEER_ADDR_PARAMS 		0x0000000a
   1.105 +#define SCTP_DEFAULT_SEND_PARAM		0x0000000b
   1.106 +/* ancillary data/notification interest options */
   1.107 +#define SCTP_EVENTS			0x0000000c /* deprecated */
   1.108 +/* Without this applied we will give V4 and V6 addresses on a V6 socket */
   1.109 +#define SCTP_I_WANT_MAPPED_V4_ADDR	0x0000000d
   1.110 +#define SCTP_MAXSEG 			0x0000000e
   1.111 +#define SCTP_DELAYED_SACK               0x0000000f
   1.112 +#define SCTP_FRAGMENT_INTERLEAVE        0x00000010
   1.113 +#define SCTP_PARTIAL_DELIVERY_POINT     0x00000011
   1.114 +/* authentication support */
   1.115 +#define SCTP_AUTH_CHUNK 		0x00000012
   1.116 +#define SCTP_AUTH_KEY 			0x00000013
   1.117 +#define SCTP_HMAC_IDENT 		0x00000014
   1.118 +#define SCTP_AUTH_ACTIVE_KEY 		0x00000015
   1.119 +#define SCTP_AUTH_DELETE_KEY 		0x00000016
   1.120 +#define SCTP_USE_EXT_RCVINFO		0x00000017
   1.121 +#define SCTP_AUTO_ASCONF		0x00000018 /* rw */
   1.122 +#define SCTP_MAXBURST			0x00000019 /* rw */
   1.123 +#define SCTP_MAX_BURST			0x00000019 /* rw */
   1.124 +/* assoc level context */
   1.125 +#define SCTP_CONTEXT                    0x0000001a /* rw */
   1.126 +/* explicit EOR signalling */
   1.127 +#define SCTP_EXPLICIT_EOR               0x0000001b
   1.128 +#define SCTP_REUSE_PORT                 0x0000001c /* rw */
   1.129 +#define SCTP_AUTH_DEACTIVATE_KEY	0x0000001d
   1.130 +#define SCTP_EVENT                      0x0000001e
   1.131 +#define SCTP_RECVRCVINFO                0x0000001f
   1.132 +#define SCTP_RECVNXTINFO                0x00000020
   1.133 +#define SCTP_DEFAULT_SNDINFO            0x00000021
   1.134 +#define SCTP_DEFAULT_PRINFO             0x00000022
   1.135 +#define SCTP_PEER_ADDR_THLDS            0x00000023
   1.136 +#define SCTP_REMOTE_UDP_ENCAPS_PORT     0x00000024
   1.137 +
   1.138 +/*
   1.139 + * read-only options
   1.140 + */
   1.141 +#define SCTP_STATUS			0x00000100
   1.142 +#define SCTP_GET_PEER_ADDR_INFO		0x00000101
   1.143 +/* authentication support */
   1.144 +#define SCTP_PEER_AUTH_CHUNKS 		0x00000102
   1.145 +#define SCTP_LOCAL_AUTH_CHUNKS 		0x00000103
   1.146 +#define SCTP_GET_ASSOC_NUMBER           0x00000104 /* ro */
   1.147 +#define SCTP_GET_ASSOC_ID_LIST          0x00000105 /* ro */
   1.148 +#define SCTP_TIMEOUTS                   0x00000106
   1.149 +
   1.150 +/*
   1.151 + * user socket options: BSD implementation specific
   1.152 + */
   1.153 +/*
   1.154 + * Blocking I/O is enabled on any TCP type socket by default. For the UDP
   1.155 + * model if this is turned on then the socket buffer is shared for send
   1.156 + * resources amongst all associations.  The default for the UDP model is that
   1.157 + * is SS_NBIO is set.  Which means all associations have a separate send
   1.158 + * limit BUT they will NOT ever BLOCK instead you will get an error back
   1.159 + * EAGAIN if you try to send too much. If you want the blocking semantics you
   1.160 + * set this option at the cost of sharing one socket send buffer size amongst
   1.161 + * all associations. Peeled off sockets turn this option off and block. But
   1.162 + * since both TCP and peeled off sockets have only one assoc per socket this
   1.163 + * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP
   1.164 + * model OR peeled off UDP model, but we do allow you to do so. You just use
   1.165 + * the normal syscall to toggle SS_NBIO the way you want.
   1.166 + *
   1.167 + * Blocking I/O is controlled by the SS_NBIO flag on the socket state so_state
   1.168 + * field.
   1.169 + */
   1.170 +
   1.171 +#define SCTP_ENABLE_STREAM_RESET	0x00000900 /* struct sctp_assoc_value */
   1.172 +#define SCTP_RESET_STREAMS		0x00000901 /* struct sctp_reset_streams */
   1.173 +#define SCTP_RESET_ASSOC		0x00000902 /* sctp_assoc_t */
   1.174 +#define SCTP_ADD_STREAMS		0x00000903 /* struct sctp_add_streams */
   1.175 +
   1.176 +/* For enable stream reset */
   1.177 +#define SCTP_ENABLE_RESET_STREAM_REQ 	0x00000001
   1.178 +#define SCTP_ENABLE_RESET_ASSOC_REQ 	0x00000002
   1.179 +#define SCTP_ENABLE_CHANGE_ASSOC_REQ 	0x00000004
   1.180 +#define SCTP_ENABLE_VALUE_MASK		0x00000007
   1.181 +/* For reset streams */
   1.182 +#define SCTP_STREAM_RESET_INCOMING	0x00000001
   1.183 +#define SCTP_STREAM_RESET_OUTGOING	0x00000002
   1.184 +
   1.185 +
   1.186 +/* here on down are more implementation specific */
   1.187 +#define SCTP_SET_DEBUG_LEVEL		0x00001005
   1.188 +#define SCTP_CLR_STAT_LOG               0x00001007
   1.189 +/* CMT ON/OFF socket option */
   1.190 +#define SCTP_CMT_ON_OFF                 0x00001200
   1.191 +#define SCTP_CMT_USE_DAC                0x00001201
   1.192 +/* JRS - Pluggable Congestion Control Socket option */
   1.193 +#define SCTP_PLUGGABLE_CC               0x00001202
   1.194 +/* RS - Pluggable Stream Scheduling Socket option */
   1.195 +#define SCTP_PLUGGABLE_SS		0x00001203
   1.196 +#define SCTP_SS_VALUE			0x00001204
   1.197 +#define SCTP_CC_OPTION			0x00001205 /* Options for CC modules */
   1.198 +/* read only */
   1.199 +#define SCTP_GET_SNDBUF_USE		0x00001101
   1.200 +#define SCTP_GET_STAT_LOG		0x00001103
   1.201 +#define SCTP_PCB_STATUS			0x00001104
   1.202 +#define SCTP_GET_NONCE_VALUES           0x00001105
   1.203 +
   1.204 +
   1.205 +/* Special hook for dynamically setting primary for all assoc's,
   1.206 + * this is a write only option that requires root privilege.
   1.207 + */
   1.208 +#define SCTP_SET_DYNAMIC_PRIMARY        0x00002001
   1.209 +
   1.210 +/* VRF (virtual router feature) and multi-VRF support
   1.211 + * options. VRF's provide splits within a router
   1.212 + * that give the views of multiple routers. A
   1.213 + * standard host, without VRF support, is just
   1.214 + * a single VRF. If VRF's are supported then
   1.215 + * the transport must be VRF aware. This means
   1.216 + * that every socket call coming in must be directed
   1.217 + * within the endpoint to one of the VRF's it belongs
   1.218 + * to. The endpoint, before binding, may select
   1.219 + * the "default" VRF it is in by using a set socket
   1.220 + * option with SCTP_VRF_ID. This will also
   1.221 + * get propagated to the default VRF. Once the
   1.222 + * endpoint binds an address then it CANNOT add
   1.223 + * additional VRF's to become a Multi-VRF endpoint.
   1.224 + *
   1.225 + * Before BINDING additional VRF's can be added with
   1.226 + * the SCTP_ADD_VRF_ID call or deleted with
   1.227 + * SCTP_DEL_VRF_ID.
   1.228 + *
   1.229 + * Associations are ALWAYS contained inside a single
   1.230 + * VRF. They cannot reside in two (or more) VRF's. Incoming
   1.231 + * packets, assuming the router is VRF aware, can always
   1.232 + * tell us what VRF they arrived on. A host not supporting
   1.233 + * any VRF's will find that the packets always arrived on the
   1.234 + * single VRF that the host has.
   1.235 + *
   1.236 + */
   1.237 +
   1.238 +#define SCTP_VRF_ID			0x00003001
   1.239 +#define SCTP_ADD_VRF_ID			0x00003002
   1.240 +#define SCTP_GET_VRF_IDS		0x00003003
   1.241 +#define SCTP_GET_ASOC_VRF               0x00003004
   1.242 +#define SCTP_DEL_VRF_ID                 0x00003005
   1.243 +
   1.244 +/*
   1.245 + * If you enable packet logging you can get
   1.246 + * a poor mans ethereal output in binary
   1.247 + * form. Note this is a compile option to
   1.248 + * the kernel,  SCTP_PACKET_LOGGING, and
   1.249 + * without it in your kernel you
   1.250 + * will get a EOPNOTSUPP
   1.251 + */
   1.252 +#define SCTP_GET_PACKET_LOG             0x00004001
   1.253 +
   1.254 +/*
   1.255 + * hidden implementation specific options these are NOT user visible (should
   1.256 + * move out of sctp.h)
   1.257 + */
   1.258 +/* sctp_bindx() flags as hidden socket options */
   1.259 +#define SCTP_BINDX_ADD_ADDR		0x00008001
   1.260 +#define SCTP_BINDX_REM_ADDR		0x00008002
   1.261 +/* Hidden socket option that gets the addresses */
   1.262 +#define SCTP_GET_PEER_ADDRESSES		0x00008003
   1.263 +#define SCTP_GET_LOCAL_ADDRESSES	0x00008004
   1.264 +/* return the total count in bytes needed to hold all local addresses bound */
   1.265 +#define SCTP_GET_LOCAL_ADDR_SIZE	0x00008005
   1.266 +/* Return the total count in bytes needed to hold the remote address */
   1.267 +#define SCTP_GET_REMOTE_ADDR_SIZE	0x00008006
   1.268 +/* hidden option for connectx */
   1.269 +#define SCTP_CONNECT_X			0x00008007
   1.270 +/* hidden option for connectx_delayed, part of sendx */
   1.271 +#define SCTP_CONNECT_X_DELAYED		0x00008008
   1.272 +#define SCTP_CONNECT_X_COMPLETE         0x00008009
   1.273 +/* hidden socket option based sctp_peeloff */
   1.274 +#define SCTP_PEELOFF                    0x0000800a
   1.275 +/* the real worker for sctp_getaddrlen() */
   1.276 +#define SCTP_GET_ADDR_LEN               0x0000800b
   1.277 +#if defined(__APPLE__)
   1.278 +/* temporary workaround for Apple listen() issue, no args used */
   1.279 +#define SCTP_LISTEN_FIX			0x0000800c
   1.280 +#endif
   1.281 +#if defined(__Windows__)
   1.282 +/* workaround for Cygwin on Windows: returns the SOCKET handle */
   1.283 +#define SCTP_GET_HANDLE			0x0000800d
   1.284 +#endif
   1.285 +/* Debug things that need to be purged */
   1.286 +#define SCTP_SET_INITIAL_DBG_SEQ	0x00009f00
   1.287 +
   1.288 +/* JRS - Supported congestion control modules for pluggable
   1.289 + * congestion control
   1.290 + */
   1.291 +/* Standard TCP Congestion Control */
   1.292 +#define SCTP_CC_RFC2581		0x00000000
   1.293 +/* High Speed TCP Congestion Control (Floyd) */
   1.294 +#define SCTP_CC_HSTCP		0x00000001
   1.295 +/* HTCP Congestion Control */
   1.296 +#define SCTP_CC_HTCP		0x00000002
   1.297 +/* RTCC Congestion Control - RFC2581 plus */
   1.298 +#define SCTP_CC_RTCC            0x00000003
   1.299 +
   1.300 +#define SCTP_CC_OPT_RTCC_SETMODE	0x00002000
   1.301 +#define SCTP_CC_OPT_USE_DCCC_ECN	0x00002001
   1.302 +#define SCTP_CC_OPT_STEADY_STEP         0x00002002
   1.303 +
   1.304 +#define SCTP_CMT_OFF            0
   1.305 +#define SCTP_CMT_BASE           1
   1.306 +#define SCTP_CMT_RPV1           2
   1.307 +#define SCTP_CMT_RPV2           3
   1.308 +#define SCTP_CMT_MPTCP          4
   1.309 +#define SCTP_CMT_MAX            SCTP_CMT_MPTCP
   1.310 +
   1.311 +/* RS - Supported stream scheduling modules for pluggable
   1.312 + * stream scheduling
   1.313 + */
   1.314 +/* Default simple round-robin */
   1.315 +#define SCTP_SS_DEFAULT			0x00000000
   1.316 +/* Real round-robin */
   1.317 +#define SCTP_SS_ROUND_ROBIN		0x00000001
   1.318 +/* Real round-robin per packet */
   1.319 +#define SCTP_SS_ROUND_ROBIN_PACKET	0x00000002
   1.320 +/* Priority */
   1.321 +#define SCTP_SS_PRIORITY		0x00000003
   1.322 +/* Fair Bandwidth */
   1.323 +#define SCTP_SS_FAIR_BANDWITH		0x00000004
   1.324 +/* First-come, first-serve */
   1.325 +#define SCTP_SS_FIRST_COME		0x00000005
   1.326 +
   1.327 +
   1.328 +/* fragment interleave constants
   1.329 + * setting must be one of these or
   1.330 + * EINVAL returned.
   1.331 + */
   1.332 +#define SCTP_FRAG_LEVEL_0    0x00000000
   1.333 +#define SCTP_FRAG_LEVEL_1    0x00000001
   1.334 +#define SCTP_FRAG_LEVEL_2    0x00000002
   1.335 +
   1.336 +/*
   1.337 + * user state values
   1.338 + */
   1.339 +#define SCTP_CLOSED			0x0000
   1.340 +#define SCTP_BOUND			0x1000
   1.341 +#define SCTP_LISTEN			0x2000
   1.342 +#define SCTP_COOKIE_WAIT		0x0002
   1.343 +#define SCTP_COOKIE_ECHOED		0x0004
   1.344 +#define SCTP_ESTABLISHED		0x0008
   1.345 +#define SCTP_SHUTDOWN_SENT		0x0010
   1.346 +#define SCTP_SHUTDOWN_RECEIVED		0x0020
   1.347 +#define SCTP_SHUTDOWN_ACK_SENT		0x0040
   1.348 +#define SCTP_SHUTDOWN_PENDING		0x0080
   1.349 +
   1.350 +/*
   1.351 + * SCTP operational error codes (user visible)
   1.352 + */
   1.353 +#define SCTP_CAUSE_NO_ERROR		0x0000
   1.354 +#define SCTP_CAUSE_INVALID_STREAM	0x0001
   1.355 +#define SCTP_CAUSE_MISSING_PARAM	0x0002
   1.356 +#define SCTP_CAUSE_STALE_COOKIE		0x0003
   1.357 +#define SCTP_CAUSE_OUT_OF_RESC		0x0004
   1.358 +#define SCTP_CAUSE_UNRESOLVABLE_ADDR	0x0005
   1.359 +#define SCTP_CAUSE_UNRECOG_CHUNK	0x0006
   1.360 +#define SCTP_CAUSE_INVALID_PARAM	0x0007
   1.361 +#define SCTP_CAUSE_UNRECOG_PARAM	0x0008
   1.362 +#define SCTP_CAUSE_NO_USER_DATA		0x0009
   1.363 +#define SCTP_CAUSE_COOKIE_IN_SHUTDOWN	0x000a
   1.364 +#define SCTP_CAUSE_RESTART_W_NEWADDR	0x000b
   1.365 +#define SCTP_CAUSE_USER_INITIATED_ABT	0x000c
   1.366 +#define SCTP_CAUSE_PROTOCOL_VIOLATION	0x000d
   1.367 +
   1.368 +/* Error causes from RFC5061 */
   1.369 +#define SCTP_CAUSE_DELETING_LAST_ADDR	0x00a0
   1.370 +#define SCTP_CAUSE_RESOURCE_SHORTAGE	0x00a1
   1.371 +#define SCTP_CAUSE_DELETING_SRC_ADDR	0x00a2
   1.372 +#define SCTP_CAUSE_ILLEGAL_ASCONF_ACK	0x00a3
   1.373 +#define SCTP_CAUSE_REQUEST_REFUSED	0x00a4
   1.374 +
   1.375 +/* Error causes from nat-draft */
   1.376 +#define SCTP_CAUSE_NAT_COLLIDING_STATE  0x00b0
   1.377 +#define SCTP_CAUSE_NAT_MISSING_STATE    0x00b1
   1.378 +
   1.379 +/* Error causes from RFC4895 */
   1.380 +#define SCTP_CAUSE_UNSUPPORTED_HMACID	0x0105
   1.381 +
   1.382 +/*
   1.383 + * error cause parameters (user visible)
   1.384 + */
   1.385 +struct sctp_error_cause {
   1.386 +	uint16_t code;
   1.387 +	uint16_t length;
   1.388 +	/* optional cause-specific info may follow */
   1.389 +} SCTP_PACKED;
   1.390 +
   1.391 +struct sctp_error_invalid_stream {
   1.392 +	struct sctp_error_cause cause;	/* code=SCTP_ERROR_INVALID_STREAM */
   1.393 +	uint16_t stream_id;	/* stream id of the DATA in error */
   1.394 +	uint16_t reserved;
   1.395 +} SCTP_PACKED;
   1.396 +
   1.397 +struct sctp_error_missing_param {
   1.398 +	struct sctp_error_cause cause;	/* code=SCTP_ERROR_MISSING_PARAM */
   1.399 +	uint32_t num_missing_params;	/* number of missing parameters */
   1.400 +	/* uint16_t param_type's follow */
   1.401 +} SCTP_PACKED;
   1.402 +
   1.403 +struct sctp_error_stale_cookie {
   1.404 +	struct sctp_error_cause cause;	/* code=SCTP_ERROR_STALE_COOKIE */
   1.405 +	uint32_t stale_time;	/* time in usec of staleness */
   1.406 +} SCTP_PACKED;
   1.407 +
   1.408 +struct sctp_error_out_of_resource {
   1.409 +	struct sctp_error_cause cause;	/* code=SCTP_ERROR_OUT_OF_RESOURCES */
   1.410 +} SCTP_PACKED;
   1.411 +
   1.412 +struct sctp_error_unresolv_addr {
   1.413 +	struct sctp_error_cause cause;	/* code=SCTP_ERROR_UNRESOLVABLE_ADDR */
   1.414 +
   1.415 +} SCTP_PACKED;
   1.416 +
   1.417 +struct sctp_error_unrecognized_chunk {
   1.418 +	struct sctp_error_cause cause;	/* code=SCTP_ERROR_UNRECOG_CHUNK */
   1.419 +	struct sctp_chunkhdr ch;/* header from chunk in error */
   1.420 +} SCTP_PACKED;
   1.421 +
   1.422 +/*
   1.423 + * Main SCTP chunk types we place these here so natd and f/w's in user land
   1.424 + * can find them.
   1.425 + */
   1.426 +/************0x00 series ***********/
   1.427 +#define SCTP_DATA		0x00
   1.428 +#define SCTP_INITIATION		0x01
   1.429 +#define SCTP_INITIATION_ACK	0x02
   1.430 +#define SCTP_SELECTIVE_ACK	0x03
   1.431 +#define SCTP_HEARTBEAT_REQUEST	0x04
   1.432 +#define SCTP_HEARTBEAT_ACK	0x05
   1.433 +#define SCTP_ABORT_ASSOCIATION	0x06
   1.434 +#define SCTP_SHUTDOWN		0x07
   1.435 +#define SCTP_SHUTDOWN_ACK	0x08
   1.436 +#define SCTP_OPERATION_ERROR	0x09
   1.437 +#define SCTP_COOKIE_ECHO	0x0a
   1.438 +#define SCTP_COOKIE_ACK		0x0b
   1.439 +#define SCTP_ECN_ECHO		0x0c
   1.440 +#define SCTP_ECN_CWR		0x0d
   1.441 +#define SCTP_SHUTDOWN_COMPLETE	0x0e
   1.442 +/* RFC4895 */
   1.443 +#define SCTP_AUTHENTICATION     0x0f
   1.444 +/* EY nr_sack chunk id*/
   1.445 +#define SCTP_NR_SELECTIVE_ACK	0x10
   1.446 +/************0x40 series ***********/
   1.447 +/************0x80 series ***********/
   1.448 +/* RFC5061 */
   1.449 +#define	SCTP_ASCONF_ACK		0x80
   1.450 +/* draft-ietf-stewart-pktdrpsctp */
   1.451 +#define SCTP_PACKET_DROPPED	0x81
   1.452 +/* draft-ietf-stewart-strreset-xxx */
   1.453 +#define SCTP_STREAM_RESET       0x82
   1.454 +
   1.455 +/* RFC4820                         */
   1.456 +#define SCTP_PAD_CHUNK          0x84
   1.457 +/************0xc0 series ***********/
   1.458 +/* RFC3758 */
   1.459 +#define SCTP_FORWARD_CUM_TSN	0xc0
   1.460 +/* RFC5061 */
   1.461 +#define SCTP_ASCONF		0xc1
   1.462 +
   1.463 +
   1.464 +/* ABORT and SHUTDOWN COMPLETE FLAG */
   1.465 +#define SCTP_HAD_NO_TCB		0x01
   1.466 +
   1.467 +/* Packet dropped flags */
   1.468 +#define SCTP_FROM_MIDDLE_BOX	SCTP_HAD_NO_TCB
   1.469 +#define SCTP_BADCRC		0x02
   1.470 +#define SCTP_PACKET_TRUNCATED	0x04
   1.471 +
   1.472 +/* Flag for ECN -CWR */
   1.473 +#define SCTP_CWR_REDUCE_OVERRIDE 0x01
   1.474 +#define SCTP_CWR_IN_SAME_WINDOW  0x02
   1.475 +
   1.476 +#define SCTP_SAT_NETWORK_MIN	400	/* min ms for RTT to set satellite
   1.477 +					 * time */
   1.478 +#define SCTP_SAT_NETWORK_BURST_INCR  2	/* how many times to multiply maxburst
   1.479 +					 * in sat */
   1.480 +
   1.481 +/* Data Chuck Specific Flags */
   1.482 +#define SCTP_DATA_FRAG_MASK        0x03
   1.483 +#define SCTP_DATA_MIDDLE_FRAG      0x00
   1.484 +#define SCTP_DATA_LAST_FRAG        0x01
   1.485 +#define SCTP_DATA_FIRST_FRAG       0x02
   1.486 +#define SCTP_DATA_NOT_FRAG         0x03
   1.487 +#define SCTP_DATA_UNORDERED        0x04
   1.488 +#define SCTP_DATA_SACK_IMMEDIATELY 0x08
   1.489 +/* ECN Nonce: SACK Chunk Specific Flags */
   1.490 +#define SCTP_SACK_NONCE_SUM        0x01
   1.491 +
   1.492 +/* CMT DAC algorithm SACK flag */
   1.493 +#define SCTP_SACK_CMT_DAC          0x80
   1.494 +
   1.495 +/*
   1.496 + * PCB flags (in sctp_flags bitmask).
   1.497 + * Note the features and flags are meant
   1.498 + * for use by netstat.
   1.499 + */
   1.500 +#define SCTP_PCB_FLAGS_UDPTYPE		0x00000001
   1.501 +#define SCTP_PCB_FLAGS_TCPTYPE		0x00000002
   1.502 +#define SCTP_PCB_FLAGS_BOUNDALL		0x00000004
   1.503 +#define SCTP_PCB_FLAGS_ACCEPTING	0x00000008
   1.504 +#define SCTP_PCB_FLAGS_UNBOUND		0x00000010
   1.505 +#define SCTP_PCB_FLAGS_CLOSE_IP         0x00040000
   1.506 +#define SCTP_PCB_FLAGS_WAS_CONNECTED    0x00080000
   1.507 +#define SCTP_PCB_FLAGS_WAS_ABORTED      0x00100000
   1.508 +/* TCP model support */
   1.509 +
   1.510 +#define SCTP_PCB_FLAGS_CONNECTED	0x00200000
   1.511 +#define SCTP_PCB_FLAGS_IN_TCPPOOL	0x00400000
   1.512 +#define SCTP_PCB_FLAGS_DONT_WAKE	0x00800000
   1.513 +#define SCTP_PCB_FLAGS_WAKEOUTPUT	0x01000000
   1.514 +#define SCTP_PCB_FLAGS_WAKEINPUT	0x02000000
   1.515 +#define SCTP_PCB_FLAGS_BOUND_V6		0x04000000
   1.516 +#define SCTP_PCB_FLAGS_BLOCKING_IO	0x08000000
   1.517 +#define SCTP_PCB_FLAGS_SOCKET_GONE	0x10000000
   1.518 +#define SCTP_PCB_FLAGS_SOCKET_ALLGONE	0x20000000
   1.519 +#define SCTP_PCB_FLAGS_SOCKET_CANT_READ	0x40000000
   1.520 +#if defined(__Userspace__)
   1.521 +#define SCTP_PCB_FLAGS_BOUND_CONN       0x80000000
   1.522 +
   1.523 +/* flags to copy to new PCB */
   1.524 +#define SCTP_PCB_COPY_FLAGS		(SCTP_PCB_FLAGS_BOUNDALL|\
   1.525 +					 SCTP_PCB_FLAGS_WAKEINPUT|\
   1.526 +					 SCTP_PCB_FLAGS_BOUND_V6|\
   1.527 +					 SCTP_PCB_FLAGS_BOUND_CONN)
   1.528 +#else
   1.529 +
   1.530 +/* flags to copy to new PCB */
   1.531 +#define SCTP_PCB_COPY_FLAGS		(SCTP_PCB_FLAGS_BOUNDALL|\
   1.532 +					 SCTP_PCB_FLAGS_WAKEINPUT|\
   1.533 +					 SCTP_PCB_FLAGS_BOUND_V6)
   1.534 +#endif
   1.535 +
   1.536 +/*
   1.537 + * PCB Features (in sctp_features bitmask)
   1.538 + */
   1.539 +#define SCTP_PCB_FLAGS_DO_NOT_PMTUD      0x0000000000000001
   1.540 +#define SCTP_PCB_FLAGS_EXT_RCVINFO       0x0000000000000002 /* deprecated */
   1.541 +#define SCTP_PCB_FLAGS_DONOT_HEARTBEAT   0x0000000000000004
   1.542 +#define SCTP_PCB_FLAGS_FRAG_INTERLEAVE   0x0000000000000008
   1.543 +#define SCTP_PCB_FLAGS_INTERLEAVE_STRMS  0x0000000000000010
   1.544 +#define SCTP_PCB_FLAGS_DO_ASCONF         0x0000000000000020
   1.545 +#define SCTP_PCB_FLAGS_AUTO_ASCONF       0x0000000000000040
   1.546 +#define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE  0x0000000000000080
   1.547 +/* socket options */
   1.548 +#define SCTP_PCB_FLAGS_NODELAY           0x0000000000000100
   1.549 +#define SCTP_PCB_FLAGS_AUTOCLOSE         0x0000000000000200
   1.550 +#define SCTP_PCB_FLAGS_RECVDATAIOEVNT    0x0000000000000400 /* deprecated */
   1.551 +#define SCTP_PCB_FLAGS_RECVASSOCEVNT     0x0000000000000800
   1.552 +#define SCTP_PCB_FLAGS_RECVPADDREVNT     0x0000000000001000
   1.553 +#define SCTP_PCB_FLAGS_RECVPEERERR       0x0000000000002000
   1.554 +#define SCTP_PCB_FLAGS_RECVSENDFAILEVNT  0x0000000000004000 /* deprecated */
   1.555 +#define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT  0x0000000000008000
   1.556 +#define SCTP_PCB_FLAGS_ADAPTATIONEVNT    0x0000000000010000
   1.557 +#define SCTP_PCB_FLAGS_PDAPIEVNT         0x0000000000020000
   1.558 +#define SCTP_PCB_FLAGS_AUTHEVNT          0x0000000000040000
   1.559 +#define SCTP_PCB_FLAGS_STREAM_RESETEVNT  0x0000000000080000
   1.560 +#define SCTP_PCB_FLAGS_NO_FRAGMENT       0x0000000000100000
   1.561 +#define SCTP_PCB_FLAGS_EXPLICIT_EOR      0x0000000000400000
   1.562 +#define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4   0x0000000000800000
   1.563 +#define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS  0x0000000001000000
   1.564 +#define SCTP_PCB_FLAGS_PORTREUSE         0x0000000002000000
   1.565 +#define SCTP_PCB_FLAGS_DRYEVNT           0x0000000004000000
   1.566 +#define SCTP_PCB_FLAGS_RECVRCVINFO       0x0000000008000000
   1.567 +#define SCTP_PCB_FLAGS_RECVNXTINFO       0x0000000010000000
   1.568 +#define SCTP_PCB_FLAGS_ASSOC_RESETEVNT   0x0000000020000000
   1.569 +#define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x0000000040000000
   1.570 +#define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x0000000080000000
   1.571 +
   1.572 +/*-
   1.573 + * mobility_features parameters (by micchie).Note
   1.574 + * these features are applied against the
   1.575 + * sctp_mobility_features flags.. not the sctp_features
   1.576 + * flags.
   1.577 + */
   1.578 +#define SCTP_MOBILITY_BASE               0x00000001
   1.579 +#define SCTP_MOBILITY_FASTHANDOFF        0x00000002
   1.580 +#define SCTP_MOBILITY_PRIM_DELETED       0x00000004
   1.581 +
   1.582 +
   1.583 +#define SCTP_SMALLEST_PMTU 512	 /* smallest pmtu allowed when disabling PMTU discovery */
   1.584 +
   1.585 +#if defined(__Userspace_os_Windows)
   1.586 +#pragma pack()
   1.587 +#endif
   1.588 +#undef SCTP_PACKED
   1.589 +
   1.590 +#include <netinet/sctp_uio.h>
   1.591 +
   1.592 +/* This dictates the size of the packet
   1.593 + * collection buffer. This only applies
   1.594 + * if SCTP_PACKET_LOGGING is enabled in
   1.595 + * your config.
   1.596 + */
   1.597 +#define SCTP_PACKET_LOG_SIZE 65536
   1.598 +
   1.599 +/* Maximum delays and such a user can set for options that
   1.600 + * take ms.
   1.601 + */
   1.602 +#define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */
   1.603 +#define SCTP_MAX_HB_INTERVAL 14400000 /* 4 hours in ms */
   1.604 +#define SCTP_MAX_COOKIE_LIFE  3600000 /* 1 hour in ms */
   1.605 +
   1.606 +
   1.607 +/* Types of logging/KTR tracing  that can be enabled via the
   1.608 + * sysctl net.inet.sctp.sctp_logging. You must also enable
   1.609 + * SUBSYS tracing.
   1.610 + * Note that you must have the SCTP option in the kernel
   1.611 + * to enable these as well.
   1.612 + */
   1.613 +#define SCTP_BLK_LOGGING_ENABLE				0x00000001
   1.614 +#define SCTP_CWND_MONITOR_ENABLE			0x00000002
   1.615 +#define SCTP_CWND_LOGGING_ENABLE			0x00000004
   1.616 +#define SCTP_FLIGHT_LOGGING_ENABLE			0x00000020
   1.617 +#define SCTP_FR_LOGGING_ENABLE				0x00000040
   1.618 +#define SCTP_LOCK_LOGGING_ENABLE			0x00000080
   1.619 +#define SCTP_MAP_LOGGING_ENABLE				0x00000100
   1.620 +#define SCTP_MBCNT_LOGGING_ENABLE			0x00000200
   1.621 +#define SCTP_MBUF_LOGGING_ENABLE			0x00000400
   1.622 +#define SCTP_NAGLE_LOGGING_ENABLE			0x00000800
   1.623 +#define SCTP_RECV_RWND_LOGGING_ENABLE			0x00001000
   1.624 +#define SCTP_RTTVAR_LOGGING_ENABLE			0x00002000
   1.625 +#define SCTP_SACK_LOGGING_ENABLE			0x00004000
   1.626 +#define SCTP_SACK_RWND_LOGGING_ENABLE			0x00008000
   1.627 +#define SCTP_SB_LOGGING_ENABLE				0x00010000
   1.628 +#define SCTP_STR_LOGGING_ENABLE				0x00020000
   1.629 +#define SCTP_WAKE_LOGGING_ENABLE			0x00040000
   1.630 +#define SCTP_LOG_MAXBURST_ENABLE			0x00080000
   1.631 +#define SCTP_LOG_RWND_ENABLE    			0x00100000
   1.632 +#define SCTP_LOG_SACK_ARRIVALS_ENABLE			0x00200000
   1.633 +#define SCTP_LTRACE_CHUNK_ENABLE			0x00400000
   1.634 +#define SCTP_LTRACE_ERROR_ENABLE			0x00800000
   1.635 +#define SCTP_LAST_PACKET_TRACING			0x01000000
   1.636 +#define SCTP_THRESHOLD_LOGGING				0x02000000
   1.637 +#define SCTP_LOG_AT_SEND_2_SCTP				0x04000000
   1.638 +#define SCTP_LOG_AT_SEND_2_OUTQ				0x08000000
   1.639 +#define SCTP_LOG_TRY_ADVANCE				0x10000000
   1.640 +
   1.641 +#endif				/* !_NETINET_SCTP_H_ */

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