350 lines
12 KiB
C
350 lines
12 KiB
C
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/*-
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* Copyright (c) 2001-2006, Cisco Systems, Inc. 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 are met:
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*
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* a) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* b) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* c) Neither the name of Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* $KAME: sctp.h,v 1.18 2005/03/06 16:04:16 itojun Exp $ */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifndef _NETINET_SCTP_H_
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#define _NETINET_SCTP_H_
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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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uint16_t src_port; /* source port */
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uint16_t dest_port; /* destination port */
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uint32_t v_tag; /* verification tag of packet */
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uint32_t checksum; /* Adler32 C-Sum */
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/* chunks follow... */
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};
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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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uint8_t chunk_type; /* chunk type */
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uint8_t chunk_flags; /* chunk flags */
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uint16_t chunk_length; /* chunk length */
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/* optional params follow */
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};
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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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uint16_t param_type; /* parameter type */
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uint16_t param_length; /* parameter length */
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};
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/*
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* user socket options: socket API defined
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*/
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/*
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* read-write options
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*/
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#define SCTP_RTOINFO 0x00000001
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#define SCTP_ASSOCINFO 0x00000002
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#define SCTP_INITMSG 0x00000003
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#define SCTP_NODELAY 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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#define SCTP_ADAPTATION_LAYER 0x00000008
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/* same as above */
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#define SCTP_ADAPTION_LAYER 0x00000008
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#define SCTP_DISABLE_FRAGMENTS 0x00000009
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#define SCTP_PEER_ADDR_PARAMS 0x0000000a
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#define SCTP_DEFAULT_SEND_PARAM 0x0000000b
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/* ancillary data/notification interest options */
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#define SCTP_EVENTS 0x0000000c
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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 0x0000000d
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#define SCTP_MAXSEG 0x0000000e
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#define SCTP_DELAYED_ACK_TIME 0x0000000f
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#define SCTP_FRAGMENT_INTERLEAVE 0x00000010
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#define SCTP_PARTIAL_DELIVERY_POINT 0x00000011
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/* authentication support */
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#define SCTP_AUTH_CHUNK 0x00000012
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#define SCTP_AUTH_KEY 0x00000013
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#define SCTP_HMAC_IDENT 0x00000014
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#define SCTP_AUTH_ACTIVE_KEY 0x00000015
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#define SCTP_AUTH_DELETE_KEY 0x00000016
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#define SCTP_USE_EXT_RCVINFO 0x00000017
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#define SCTP_AUTO_ASCONF 0x00000018 /* rw */
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#define SCTP_MAXBURST 0x00000019 /* rw */
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/* assoc level context */
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#define SCTP_CONTEXT 0x0000001a /* rw */
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/* explict EOR signalling */
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#define SCTP_EXPLICIT_EOR 0x0000001b
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/*
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* read-only options
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*/
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#define SCTP_STATUS 0x00000100
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#define SCTP_GET_PEER_ADDR_INFO 0x00000101
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/* authentication support */
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#define SCTP_PEER_AUTH_CHUNKS 0x00000102
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#define SCTP_LOCAL_AUTH_CHUNKS 0x00000103
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/*
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* user socket options: BSD implementation specific
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*/
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/*
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* Blocking I/O is enabled on any TCP type socket by default. For the UDP
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* model if this is turned on then the socket buffer is shared for send
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* resources amongst all associations. The default for the UDP model is that
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* is SS_NBIO is set. Which means all associations have a seperate send
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* limit BUT they will NOT ever BLOCK instead you will get an error back
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* EAGAIN if you try to send to much. If you want the blocking symantics you
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* set this option at the cost of sharing one socket send buffer size amongst
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* all associations. Peeled off sockets turn this option off and block. But
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* since both TCP and peeled off sockets have only one assoc per socket this
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* is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP
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* model OR 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 controled by the SS_NBIO flag on the socket state so_state
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* field.
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*/
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/* these should probably go into sockets API */
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#define SCTP_RESET_STREAMS 0x00001004 /* wo */
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/* here on down are more implementation specific */
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#define SCTP_SET_DEBUG_LEVEL 0x00001005
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#define SCTP_CLR_STAT_LOG 0x00001007
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/* CMT ON/OFF socket option */
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#define SCTP_CMT_ON_OFF 0x00001200
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#define SCTP_CMT_USE_DAC 0x00001201
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/* read only */
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#define SCTP_GET_SNDBUF_USE 0x00001101
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#define SCTP_GET_STAT_LOG 0x00001103
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#define SCTP_GET_ASOC_ID_LIST 0x00001104 /* ro */
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#define SCTP_PCB_STATUS 0x00001105
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#define SCTP_GET_NONCE_VALUES 0x00001106
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/*
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* hidden implementation specific options these are NOT user visible (should
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* move out of sctp.h)
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*/
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/* sctp_bindx() flags as hidden socket options */
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#define SCTP_BINDX_ADD_ADDR 0x00008001
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#define SCTP_BINDX_REM_ADDR 0x00008002
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/* Hidden socket option that gets the addresses */
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#define SCTP_GET_PEER_ADDRESSES 0x00008003
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#define SCTP_GET_LOCAL_ADDRESSES 0x00008004
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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 0x00008005
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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 0x00008006
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/* hidden option for connectx */
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#define SCTP_CONNECT_X 0x00008007
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/* hidden option for connectx_delayed, part of sendx */
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#define SCTP_CONNECT_X_DELAYED 0x00008008
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#define SCTP_CONNECT_X_COMPLETE 0x00008009
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/* hidden socket option based sctp_peeloff */
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#define SCTP_PEELOFF 0x0000800a
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/* the real worker for sctp_getaddrlen() */
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#define SCTP_GET_ADDR_LEN 0x0000800b
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/* temporary workaround for Apple listen() issue, no args used */
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#define SCTP_LISTEN_FIX 0x0000800c
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/* Debug things that need to be purged */
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#define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00
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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_CAUSE_NO_ERROR 0x0000
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#define SCTP_CAUSE_INVALID_STREAM 0x0001
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#define SCTP_CAUSE_MISSING_PARAM 0x0002
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#define SCTP_CAUSE_STALE_COOKIE 0x0003
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#define SCTP_CAUSE_OUT_OF_RESC 0x0004
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#define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005
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#define SCTP_CAUSE_UNRECOG_CHUNK 0x0006
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#define SCTP_CAUSE_INVALID_PARAM 0x0007
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#define SCTP_CAUSE_UNRECOG_PARAM 0x0008
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#define SCTP_CAUSE_NO_USER_DATA 0x0009
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#define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a
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#define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b
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#define SCTP_CAUSE_USER_INITIATED_ABT 0x000c
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#define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d
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/* Error causes from draft-ietf-tsvwg-addip-sctp */
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#define SCTP_CAUSE_DELETING_LAST_ADDR 0x0100
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#define SCTP_CAUSE_RESOURCE_SHORTAGE 0x0101
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#define SCTP_CAUSE_DELETING_SRC_ADDR 0x0102
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#define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x0103
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#define SCTP_CAUSE_REQUEST_REFUSED 0x0104
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/* Error causes from draft-ietf-tsvwg-sctp-auth */
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#define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105
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/*
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* error cause parameters (user visisble)
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*/
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struct sctp_error_cause {
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uint16_t code;
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uint16_t length;
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/* optional cause-specific info may follow */
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};
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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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uint16_t stream_id; /* stream id of the DATA in error */
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uint16_t reserved;
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};
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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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uint32_t num_missing_params; /* number of missing parameters */
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/* uint16_t param_type's follow */
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};
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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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uint32_t stale_time; /* time in usec of staleness */
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};
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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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};
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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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};
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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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};
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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_CAPABILITY 1
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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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#define HAVE_SCTP_AUTH 1
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#define HAVE_SCTP_EXT_RCVINFO 1
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#define HAVE_SCTP_CONNECTX 1
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/*
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* Main SCTP chunk types we place these here so natd and f/w's in user land
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* can find them.
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*/
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/************0x00 series ***********/
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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-sctp-auth */
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#define SCTP_AUTHENTICATION 0x0f
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/************0x40 series ***********/
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/************0x80 series ***********/
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/* draft-ietf-tsvwg-addip-sctp */
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#define SCTP_ASCONF_ACK 0x80
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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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/************0xc0 series ***********/
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/* RFC3758 */
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#define SCTP_FORWARD_CUM_TSN 0xc0
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/* draft-ietf-tsvwg-addip-sctp */
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#define SCTP_ASCONF 0xc1
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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
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* time */
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#define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst
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* 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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/* CMT DAC algorithm SACK flag */
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#define SCTP_SACK_CMT_DAC 0x80
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#include <netinet/sctp_uio.h>
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#endif /* !_NETINET_SCTP_H_ */
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