302 lines
10 KiB
C
302 lines
10 KiB
C
/* $KAME: sctp.h,v 1.18 2005/03/06 16:04:16 itojun Exp $ */
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/* $NetBSD: sctp.h,v 1.5 2021/10/24 20:00:12 andvar Exp $ */
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#ifndef _NETINET_SCTP_H_
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#define _NETINET_SCTP_H_
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/*
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* Copyright (c) 2001, 2002, 2003, 2004 Cisco Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Cisco Systems, Inc.
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* 4. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL CISCO SYSTEMS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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/*
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* SCTP protocol - RFC2960.
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*/
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struct sctphdr {
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u_int16_t src_port; /* source port */
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u_int16_t dest_port; /* destination port */
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u_int32_t v_tag; /* verification tag of packet */
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u_int32_t checksum; /* Adler32 C-Sum */
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/* chunks follow... */
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} __packed;
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/*
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* SCTP Chunks
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*/
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struct sctp_chunkhdr {
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u_int8_t chunk_type; /* chunk type */
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u_int8_t chunk_flags; /* chunk flags */
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u_int16_t chunk_length; /* chunk length */
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/* optional params follow */
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} __packed;
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/*
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* SCTP chunk parameters
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*/
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struct sctp_paramhdr {
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u_int16_t param_type; /* parameter type */
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u_int16_t param_length; /* parameter length */
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} __packed;
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/*
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* user socket options
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*/
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/* read-write options */
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#define SCTP_NODELAY 0x00000001
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#define SCTP_MAXSEG 0x00000002
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#define SCTP_ASSOCINFO 0x00000003
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#define SCTP_INITMSG 0x00000004
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#define SCTP_AUTOCLOSE 0x00000005
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#define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006
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#define SCTP_PRIMARY_ADDR 0x00000007
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/* read-only options */
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#define SCTP_STATUS 0x00000008
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#define SCTP_PCB_STATUS 0x00000009
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/* ancillary data/notification interest options */
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#define SCTP_EVENTS 0x0000000a
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/* sctp_opt_info params */
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#define SCTP_PEER_ADDR_PARAMS 0x0000000b
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#define SCTP_GET_PEER_ADDR_INFO 0x0000000c
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/* Hidden socket option that gets the addresses */
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#define SCTP_GET_PEER_ADDRESSES 0x0000000d
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#define SCTP_GET_LOCAL_ADDRESSES 0x0000000e
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/*
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* Blocking I/O is enabled on any TCP type socket by default.
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* For the UDP model if this is turned on then the socket buffer is
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* shared for send resources amongst all associations. The default
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* for the UDP model is that is SS_NBIO is set. Which means all associations
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* have a separate send limit BUT they will NOT ever BLOCK instead
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* you will get an error back EAGAIN if you try to send too much. If
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* you want the blocking symantics you set this option at the cost
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* of sharing one socket send buffer size amongst all associations.
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* Peeled off sockets turn this option off and block... but since both TCP and
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* peeled off sockets have only one assoc per socket this is fine.
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* It probably does NOT make sense to set this on SS_NBIO on a TCP model OR
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* peeled off UDP model, but we do allow you to do so. You just use
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* the normal syscall to toggle SS_NBIO the way you want.
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*/
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/* Blocking I/O is controlled by the SS_NBIO flag on the
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* socket state so_state field.
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*/
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#define SCTP_GET_SNDBUF_USE 0x0000000f
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/* latter added read/write */
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#define SCTP_ADAPTION_LAYER 0x00000010
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#define SCTP_DISABLE_FRAGMENTS 0x00000011
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/* sctp_bindx() flags as socket options */
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#define SCTP_BINDX_ADD_ADDR 0x00000012
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#define SCTP_BINDX_REM_ADDR 0x00000013
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/* return the total count in bytes needed to hold all local addresses bound */
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#define SCTP_GET_LOCAL_ADDR_SIZE 0x00000014
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/* Without this applied we will give V4 and V6 addresses on a V6 socket */
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#define SCTP_I_WANT_MAPPED_V4_ADDR 0x00000015
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/* Return the total count in bytes needed to hold the remote address */
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#define SCTP_GET_REMOTE_ADDR_SIZE 0x00000016
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#define SCTP_GET_PEGS 0x00000017
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#define SCTP_DEFAULT_SEND_PARAM 0x00000018
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#define SCTP_SET_DEBUG_LEVEL 0x00000019
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#define SCTP_RTOINFO 0x0000001a
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#define SCTP_AUTO_ASCONF 0x0000001b
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#define SCTP_MAXBURST 0x0000001c
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#define SCTP_GET_STAT_LOG 0x0000001d
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#define SCTP_CONNECT_X 0x0000001e /* hidden opt for connectx */
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#define SCTP_RESET_STREAMS 0x0000001f
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#define SCTP_CONNECT_X_DELAYED 0x00000020 /* hidden opt for connectx_delayed
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* part of sctp_sendx()
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*/
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#define SCTP_CONNECT_X_COMPLETE 0x00000021
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#define SCTP_GET_ASOC_ID_LIST 0x00000022
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/* Other BSD items */
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#define SCTP_GET_NONCE_VALUES 0x00000023
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#define SCTP_DELAYED_ACK_TIME 0x00000024
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/* Things for the AUTH draft possibly */
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#define SCTP_PEER_PUBLIC_KEY 0x00000100 /* get the peers public key */
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#define SCTP_MY_PUBLIC_KEY 0x00000101 /* get/set my endpoints public key */
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#define SCTP_SET_AUTH_SECRET 0x00000102 /* get/set my shared secret */
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#define SCTP_SET_AUTH_CHUNKS 0x00000103/* specify what chunks you want
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* the system may have additional requirments
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* as well. I.e. probably ASCONF/ASCONF-ACK no matter
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* if you want it or not.
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*/
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/* Debug things that need to be purged */
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#define SCTP_SET_INITIAL_DBG_SEQ 0x00001f00
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#define SCTP_RESET_PEGS 0x00002000
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#define SCTP_CLR_STAT_LOG 0x00002100
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/*
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* user state values
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*/
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#define SCTP_CLOSED 0x0000
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#define SCTP_BOUND 0x1000
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#define SCTP_LISTEN 0x2000
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#define SCTP_COOKIE_WAIT 0x0002
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#define SCTP_COOKIE_ECHOED 0x0004
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#define SCTP_ESTABLISHED 0x0008
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#define SCTP_SHUTDOWN_SENT 0x0010
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#define SCTP_SHUTDOWN_RECEIVED 0x0020
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#define SCTP_SHUTDOWN_ACK_SENT 0x0040
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#define SCTP_SHUTDOWN_PENDING 0x0080
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/*
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* SCTP operational error codes (user visible)
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*/
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#define SCTP_ERROR_NO_ERROR 0x0000
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#define SCTP_ERROR_INVALID_STREAM 0x0001
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#define SCTP_ERROR_MISSING_PARAM 0x0002
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#define SCTP_ERROR_STALE_COOKIE 0x0003
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#define SCTP_ERROR_OUT_OF_RESOURCES 0x0004
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#define SCTP_ERROR_UNRESOLVABLE_ADDR 0x0005
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#define SCTP_ERROR_UNRECOG_CHUNK 0x0006
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#define SCTP_ERROR_INVALID_PARAM 0x0007
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#define SCTP_ERROR_UNRECOG_PARAM 0x0008
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#define SCTP_ERROR_NO_USER_DATA 0x0009
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#define SCTP_ERROR_COOKIE_IN_SHUTDOWN 0x000a
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/* draft-ietf-tsvwg-sctpimpguide */
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#define SCTP_ERROR_RESTART_NEWADDRS 0x000b
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/* draft-ietf-tsvwg-addip-sctp */
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#define SCTP_ERROR_DELETE_LAST_ADDR 0x0100
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#define SCTP_ERROR_RESOURCE_SHORTAGE 0x0101
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#define SCTP_ERROR_DELETE_SOURCE_ADDR 0x0102
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#define SCTP_ERROR_ILLEGAL_ASCONF_ACK 0x0103
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/*
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* error cause parameters (user visible)
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*/
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struct sctp_error_cause {
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u_int16_t code;
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u_int16_t length;
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/* optional cause-specific info may follow */
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} __packed;
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struct sctp_error_invalid_stream {
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struct sctp_error_cause cause; /* code=SCTP_ERROR_INVALID_STREAM */
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u_int16_t stream_id; /* stream id of the DATA in error */
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u_int16_t reserved;
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} __packed;
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struct sctp_error_missing_param {
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struct sctp_error_cause cause; /* code=SCTP_ERROR_MISSING_PARAM */
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u_int32_t num_missing_params; /* number of missing parameters */
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/* u_int16_t param_type's follow */
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} __packed;
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struct sctp_error_stale_cookie {
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struct sctp_error_cause cause; /* code=SCTP_ERROR_STALE_COOKIE */
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u_int32_t stale_time; /* time in usec of staleness */
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} __packed;
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struct sctp_error_out_of_resource {
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struct sctp_error_cause cause; /* code=SCTP_ERROR_OUT_OF_RESOURCES */
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} __packed;
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struct sctp_error_unresolv_addr {
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struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */
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} __packed;
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struct sctp_error_unrecognized_chunk {
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struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRECOG_CHUNK */
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struct sctp_chunkhdr ch; /* header from chunk in error */
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} __packed;
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#define HAVE_SCTP 1
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#define HAVE_KERNEL_SCTP 1
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#define HAVE_SCTP_PRSCTP 1
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#define HAVE_SCTP_ADDIP 1
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#define HAVE_SCTP_CANSET_PRIMARY 1
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#define HAVE_SCTP_SAT_NETWORK_CAPABILITY1
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#define HAVE_SCTP_MULTIBUF 1
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#define HAVE_SCTP_NOCONNECT 0
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#define HAVE_SCTP_ECN_NONCE 1 /* ECN Nonce option */
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/* Main SCTP chunk types, we place
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* these here since that way natd and f/w's
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* in user land can find them.
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*/
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#define SCTP_DATA 0x00
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#define SCTP_INITIATION 0x01
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#define SCTP_INITIATION_ACK 0x02
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#define SCTP_SELECTIVE_ACK 0x03
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#define SCTP_HEARTBEAT_REQUEST 0x04
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#define SCTP_HEARTBEAT_ACK 0x05
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#define SCTP_ABORT_ASSOCIATION 0x06
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#define SCTP_SHUTDOWN 0x07
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#define SCTP_SHUTDOWN_ACK 0x08
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#define SCTP_OPERATION_ERROR 0x09
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#define SCTP_COOKIE_ECHO 0x0a
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#define SCTP_COOKIE_ACK 0x0b
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#define SCTP_ECN_ECHO 0x0c
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#define SCTP_ECN_CWR 0x0d
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#define SCTP_SHUTDOWN_COMPLETE 0x0e
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/* draft-ietf-tsvwg-addip-sctp */
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#define SCTP_ASCONF 0xc1
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#define SCTP_ASCONF_ACK 0x80
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/* draft-ietf-stewart-prsctp */
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#define SCTP_FORWARD_CUM_TSN 0xc0
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/* draft-ietf-stewart-pktdrpsctp */
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#define SCTP_PACKET_DROPPED 0x81
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/* draft-ietf-stewart-strreset-xxx */
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#define SCTP_STREAM_RESET 0x82
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/* ABORT and SHUTDOWN COMPLETE FLAG */
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#define SCTP_HAD_NO_TCB 0x01
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/* Packet dropped flags */
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#define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB
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#define SCTP_BADCRC 0x02
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#define SCTP_PACKET_TRUNCATED 0x04
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#define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite time */
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#define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst in sat */
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/* Data Chuck Specific Flags */
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#define SCTP_DATA_FRAG_MASK 0x03
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#define SCTP_DATA_MIDDLE_FRAG 0x00
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#define SCTP_DATA_LAST_FRAG 0x01
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#define SCTP_DATA_FIRST_FRAG 0x02
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#define SCTP_DATA_NOT_FRAG 0x03
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#define SCTP_DATA_UNORDERED 0x04
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/* ECN Nonce: SACK Chunk Specific Flags */
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#define SCTP_SACK_NONCE_SUM 0x01
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#include <netinet/sctp_uio.h>
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#endif /* !_NETINET_SCTP_H_ */
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