579 lines
17 KiB
C
579 lines
17 KiB
C
/* $NetBSD: sctpConstants.h,v 1.1.1.2 2002/02/18 09:09:02 itojun Exp $ */
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/* @(#) Header: /tcpdump/master/tcpdump/sctpConstants.h,v 1.2 2001/06/28 10:17:22 guy Exp (LBL) */
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/* SCTP reference Implementation Copyright (C) 1999 Cisco And Motorola
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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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*
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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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*
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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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*
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* 3. Neither the name of Cisco nor of Motorola may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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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* This file is part of the SCTP reference Implementation
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*
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*
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* Please send any bug reports or fixes you make to one of the following email
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* addresses:
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*
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* rstewar1@email.mot.com
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* kmorneau@cisco.com
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* qxie1@email.mot.com
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*
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* Any bugs reported given to us we will try to fix... any fixes shared will
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* be incorperated into the next SCTP release.
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*/
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#ifndef __sctpConstants_h__
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#define __sctpConstants_h__
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/* If you wish to use MD5 instead of SLA uncomment the line
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* below. Why you would like to do this:
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* a) There may be IPR on SHA-1, or so the FIP-180-1 page says,
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* b) MD5 is 3 times faster (has coded here).
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*
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* The disadvantage is, it is thought that MD5 has been
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* cracked... see RFC2104.
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*/
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/*#define USE_MD5 1*/
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/* the SCTP protocol signature
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* this includes the version number
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* encoded in the last 4 bits of the
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* signature.
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*/
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#define PROTO_SIGNATURE_A 0x30000000
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#define SCTP_VERSION_NUMBER 0x3
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#define MAX_TSN 0xffffffff
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#define MAX_SEQ 0xffff
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/* option:
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* If you comment out the following you will
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* receive the old behavior of obeying cwnd for
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* the fast retransmit algorithm. With this defined
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* a FR happens right away with-out waiting for the
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* flightsize to drop below the cwnd value (which
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* is reduced by the FR to 1/2 the inflight packets).
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*/
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#define SCTP_IGNORE_CWND_ON_FR 1
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/* default max I can burst out after a fast retransmit */
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#define SCTP_DEF_MAX_BURST 4
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/* Packet transmit states in the sent
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* field in the SCTP_transmitOnQueue struct
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*/
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#define SCTP_DATAGRAM_UNSENT 0
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#define SCTP_DATAGRAM_SENT 1
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#define SCTP_DATAGRAM_RESEND1 2 /* not used */
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#define SCTP_DATAGRAM_RESEND2 3 /* not used */
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#define SCTP_DATAGRAM_RESEND3 4 /* not used */
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#define SCTP_DATAGRAM_RESEND 5
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#define SCTP_DATAGRAM_ACKED 10010
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#define SCTP_DATAGRAM_INBOUND 10011
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#define SCTP_READY_TO_TRANSMIT 10012
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#define SCTP_DATAGRAM_MARKED 20010
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#define MAX_FSID 64 /* debug 5 ints used for cc dynamic tracking */
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/* The valid defines for all message
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* types know to SCTP. 0 is reserved
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*/
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#define SCTP_MSGTYPE_MASK 0xff
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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_ERR 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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#define SCTP_FORWARD_CUM_TSN 0xc0
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#define SCTP_RELIABLE_CNTL 0xc1
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#define SCTP_RELIABLE_CNTL_ACK 0xc2
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/* ABORT and SHUTDOWN COMPLETE FLAG */
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#define SCTP_HAD_NO_TCB 0x01
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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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#define SCTP_CRC_ENABLE_BIT 0x01 /* lower bit of reserved */
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#define isSCTPControl(a) (a->chunkID != SCTP_DATA)
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#define isSCTPData(a) (a->chunkID == SCTP_DATA)
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/* sctp parameter types for init/init-ack */
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#define SCTP_IPV4_PARAM_TYPE 0x0005
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#define SCTP_IPV6_PARAM_TYPE 0x0006
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#define SCTP_RESPONDER_COOKIE 0x0007
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#define SCTP_UNRECOG_PARAM 0x0008
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#define SCTP_COOKIE_PRESERVE 0x0009
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#define SCTP_HOSTNAME_VIA_DNS 0x000b
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#define SCTP_RESTRICT_ADDR_TO 0x000c
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#define SCTP_ECN_I_CAN_DO_ECN 0x8000
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#define SCTP_OPERATION_SUCCEED 0x4001
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#define SCTP_ERROR_NOT_EXECUTED 0x4002
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#define SCTP_UNRELIABLE_STRM 0xc000
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#define SCTP_ADD_IP_ADDRESS 0xc001
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#define SCTP_DEL_IP_ADDRESS 0xc002
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#define SCTP_STRM_FLOW_LIMIT 0xc003
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#define SCTP_PARTIAL_CSUM 0xc004
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#define SCTP_ERROR_CAUSE_TLV 0xc005
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#define SCTP_MIT_STACK_NAME 0xc006
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#define SCTP_SETADDRESS_PRIMARY 0xc007
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/* bits for TOS field */
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#define SCTP_ECT_BIT 0x02
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#define SCTP_CE_BIT 0x01
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/* error codes */
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#define SCTP_OP_ERROR_NO_ERROR 0x0000
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#define SCTP_OP_ERROR_INV_STRM 0x0001
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#define SCTP_OP_ERROR_MISS_PARAM 0x0002
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#define SCTP_OP_ERROR_STALE_COOKIE 0x0003
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#define SCTP_OP_ERROR_NO_RESOURCE 0x0004
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#define SCTP_OP_ERROR_DNS_FAILED 0x0005
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#define SCTP_OP_ERROR_UNK_CHUNK 0x0006
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#define SCTP_OP_ERROR_INV_PARAM 0x0007
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#define SCTP_OP_ERROR_UNK_PARAM 0x0008
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#define SCTP_OP_ERROR_NO_USERD 0x0009
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#define SCTP_OP_ERROR_COOKIE_SHUT 0x000a
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#define SCTP_OP_ERROR_DELETE_LAST 0x000b
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#define SCTP_OP_ERROR_RESOURCE_SHORT 0x000c
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#define SCTP_MAX_ERROR_CAUSE 12
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/* empty error causes i.e. nothing but the cause
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* are SCTP_OP_ERROR_NO_RESOURCE, SCTP_OP_ERROR_INV_PARAM,
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* SCTP_OP_ERROR_COOKIE_SHUT.
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*/
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/* parameter for Heart Beat */
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#define HEART_BEAT_PARAM 0x0001
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/* send options for SCTP
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*/
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#define SCTP_ORDERED_DELIVERY 0x01
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#define SCTP_NON_ORDERED_DELIVERY 0x02
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#define SCTP_DO_CRC16 0x08
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#define SCTP_MY_ADDRESS_ONLY 0x10
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/* below turns off above */
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#define SCTP_FLEXIBLE_ADDRESS 0x20
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#define SCTP_NO_HEARTBEAT 0x40
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/* mask to get sticky */
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#define SCTP_STICKY_OPTIONS_MASK 0x0c
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/* MTU discovery flags */
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#define SCTP_DONT_FRAGMENT 0x0100
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#define SCTP_FRAGMENT_OK 0x0200
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/* SCTP state defines for internal state machine */
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#define SCTP_STATE_EMPTY 0x0000
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#define SCTP_STATE_INUSE 0x0001
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#define SCTP_STATE_COOKIE_WAIT 0x0002
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#define SCTP_STATE_COOKIE_SENT 0x0004
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#define SCTP_STATE_OPEN 0x0008
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#define SCTP_STATE_SHUTDOWN 0x0010
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#define SCTP_STATE_SHUTDOWN_RECV 0x0020
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#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
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#define SCTP_STATE_SHUTDOWN_PEND 0x0080
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#define SCTP_STATE_MASK 0x007f
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/* SCTP reachability state for each address */
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#define SCTP_ADDR_NOT_REACHABLE 1
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#define SCTP_ADDR_REACHABLE 2
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#define SCTP_ADDR_NOHB 4
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#define SCTP_ADDR_BEING_DELETED 8
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/* How long a cookie lives */
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#define SCTP_DEFAULT_COOKIE_LIFE 60 /* seconds */
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/* resource limit of streams */
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#define MAX_SCTP_STREAMS 2048
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/* guess at how big to make the TSN mapping array */
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#define SCTP_STARTING_MAPARRAY 10000
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/* Here we define the timer types used
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* by the implementation has
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* arguments in the set/get timer type calls.
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*/
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#define SCTP_TIMER_INIT 0
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#define SCTP_TIMER_RECV 1
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#define SCTP_TIMER_SEND 2
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#define SCTP_TIMER_SHUTDOWN 3
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#define SCTP_TIMER_HEARTBEAT 4
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#define SCTP_TIMER_PMTU 5
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/* number of timer types in the base SCTP
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* structure used in the set/get and has
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* the base default.
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*/
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#define SCTP_NUM_TMRS 6
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#define SCTP_IPV4_ADDRESS 2
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#define SCTP_IPV6_ADDRESS 4
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/* timer types */
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#define SctpTimerTypeNone 0
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#define SctpTimerTypeSend 1
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#define SctpTimerTypeInit 2
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#define SctpTimerTypeRecv 3
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#define SctpTimerTypeShutdown 4
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#define SctpTimerTypeHeartbeat 5
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#define SctpTimerTypeCookie 6
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#define SctpTimerTypeNewCookie 7
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#define SctpTimerTypePathMtuRaise 8
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#define SctpTimerTypeShutdownAck 9
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#define SctpTimerTypeRelReq 10
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/* Here are the timer directives given to the
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* user provided function
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*/
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#define SCTP_TIMER_START 1
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#define SCTP_TIMER_STOP 2
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/* running flag states in timer structure */
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#define SCTP_TIMER_IDLE 0x0
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#define SCTP_TIMER_EXPIRED 0x1
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#define SCTP_TIMER_RUNNING 0x2
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/* number of simultaneous timers running */
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#define SCTP_MAX_NET_TIMERS 6 /* base of where net timers start */
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#define SCTP_NUMBER_TIMERS 12 /* allows up to 6 destinations */
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/* Of course we really don't collect stale cookies, being
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* folks of decerning taste. However we do count them, if
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* we get to many before the association comes up.. we
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* give up. Below is the constant that dictates when
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* we give it up...this is a implemenation dependant
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* treatment. In ours we do not ask for a extension of
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* time, but just retry this many times...
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*/
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#define SCTP_MAX_STALE_COOKIES_I_COLLECT 10
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/* max number of TSN's dup'd that I will hold */
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#define SCTP_MAX_DUP_TSNS 20
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/* Here we define the types used when
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* setting the retry ammounts.
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*/
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/* constants for type of set */
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#define SCTP_MAXATTEMPT_INIT 2
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#define SCTP_MAXATTEMPT_SEND 3
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/* Here we define the default timers and the
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* default number of attemts we make for
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* each respective side (send/init).
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*/
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/* init timer def = 3sec */
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#define SCTP_INIT_SEC 3
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#define SCTP_INIT_NSEC 0
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/* send timer def = 3 seconds */
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#define SCTP_SEND_SEC 1
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#define SCTP_SEND_NSEC 0
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/* recv timer def = 200ms (in nsec) */
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#define SCTP_RECV_SEC 0
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#define SCTP_RECV_NSEC 200000000
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/* 30 seconds + RTO */
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#define SCTP_HB_SEC 30
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#define SCTP_HB_NSEC 0
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/* 300 ms */
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#define SCTP_SHUTDOWN_SEC 0
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#define SCTP_SHUTDOWN_NSEC 300000000
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#define SCTP_RTO_UPPER_BOUND 60000000 /* 60 sec in micro-second's */
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#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */
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#define SCTP_RTO_LOWER_BOUND 1000000 /* 1 sec in micro-sec's */
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#define SCTP_DEF_MAX_INIT 8
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#define SCTP_DEF_MAX_SEND 10
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#define SCTP_DEF_PMTU_RAISE 600 /* 10 Minutes between raise attempts */
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#define SCTP_DEF_PMTU_MIN 600
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#define SCTP_MSEC_IN_A_SEC 1000
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#define SCTP_USEC_IN_A_SEC 1000000
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#define SCTP_NSEC_IN_A_SEC 1000000000
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/* Events that SCTP will look for, these
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* are or'd together to declare what SCTP
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* wants. Each select mask/poll list should be
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* set for the fd, if the bit is on.
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*/
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#define SCTP_EVENT_READ 0x000001
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#define SCTP_EVENT_WRITE 0x000002
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#define SCTP_EVENT_EXCEPT 0x000004
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/* The following constant is a value for this
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* particular implemenation. It is quite arbitrary and
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* is used to limit how much data will be queued up to
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* a sender, waiting for cwnd to be larger than flightSize.
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* All implementations will need this protection is some
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* way due to buffer size constraints.
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*/
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#define SCTP_MAX_OUTSTANDING_DG 10000
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/* This constant (SCTP_MAX_READBUFFER) define
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* how big the read/write buffer is
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* when we enter the fd event notification
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* the buffer is put on the stack, so the bigger
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* it is the more stack you chew up, however it
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* has got to be big enough to handle the bigest
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* message this O/S will send you. In solaris
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* with sockets (not TLI) we end up at a value
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* of 64k. In TLI we could do partial reads to
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* get it all in with less hassel.. but we
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* write to sockets for generality.
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*/
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#define SCTP_MAX_READBUFFER 65536
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#define SCTP_ADDRMAX 60
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/* amount peer is obligated to have in rwnd or
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* I will abort
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*/
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#define SCTP_MIN_RWND 1500
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#define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */
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#define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to
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* My playing around suggests a
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* value greater than 64k does not
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* do much, I guess via the kernel
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* limitations on the stream/socket.
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*/
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#define SCTP_MAX_BUNDLE_UP 256 /* max number of chunks I can bundle */
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/* I can handle a 1meg re-assembly */
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#define SCTP_DEFAULT_MAXMSGREASM 1048576
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#define SCTP_DEFAULT_MAXWINDOW 32768 /* default rwnd size */
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#define SCTP_DEFAULT_MAXSEGMENT 1500 /* MTU size, this is the default
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* to which we set the smallestMTU
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* size to. This governs what is the
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* largest size we will use, of course
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* PMTU will raise this up to
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* the largest interface MTU or the
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* ceiling below if there is no
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* SIOCGIFMTU.
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*/
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#ifdef LYNX
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#define DEFAULT_MTU_CEILING 1500 /* Since Lynx O/S is brain dead
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* in the way it handles the
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* raw IP socket, insisting
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* on makeing its own IP
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* header, we limit the growth
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* to that of the e-net size
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*/
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#else
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#define DEFAULT_MTU_CEILING 2048 /* If no SIOCGIFMTU, highest value
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* to raise the PMTU to, i.e.
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* don't try to raise above this
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* value. Tune this per your
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* largest MTU interface if your
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* system does not support the
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* SIOCGIFMTU ioctl.
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*/
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#endif
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#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
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#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
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/* This is how long a secret lives, NOT how long a cookie lives */
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#define SCTP_HOW_LONG_COOKIE_LIVE 3600 /* how many seconds the current secret will live */
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#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
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#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
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#ifdef USE_MD5
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#define SCTP_SIGNATURE_SIZE 16 /* size of a MD5 signature */
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#else
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#define SCTP_SIGNATURE_SIZE 20 /* size of a SLA-1 signature */
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#endif
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/* Here are the notification constants
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* that the code and upper layer will get
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*/
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/* association is up */
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#define SCTP_NOTIFY_ASSOC_UP 1
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/* association is down */
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#define SCTP_NOTIFY_ASSOC_DOWN 2
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/* interface on a association is down
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* and out of consideration for selection.
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*/
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#define SCTP_NOTIFY_INTF_DOWN 3
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/* interface on a association is up
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* and now back in consideration for selection.
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*/
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#define SCTP_NOTIFY_INTF_UP 4
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/* The given datagram cannot be delivered
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* to the peer, this will probably be followed
|
|
* by a SCTP_NOTFIY_ASSOC_DOWN.
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|
*/
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|
#define SCTP_NOTIFY_DG_FAIL 5
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|
|
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/* Sent dg on non-open stream extreme code error!
|
|
*/
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|
#define SCTP_NOTIFY_STRDATA_ERR 6
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|
|
|
#define SCTP_NOTIFY_ASSOC_ABORTED 7
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|
|
|
/* The stream ones are not used yet, but could
|
|
* be when a association opens.
|
|
*/
|
|
#define SCTP_NOTIFY_PEER_OPENED_STR 8
|
|
#define SCTP_NOTIFY_STREAM_OPENED_OK 9
|
|
|
|
/* association sees a restart event */
|
|
#define SCTP_NOTIFY_ASSOC_RESTART 10
|
|
|
|
/* a user requested HB returned */
|
|
#define SCTP_NOTIFY_HB_RESP 11
|
|
|
|
/* a result from a REL-REQ */
|
|
#define SCTP_NOTIFY_RELREQ_RESULT_OK 12
|
|
#define SCTP_NOTIFY_RELREQ_RESULT_FAILED 13
|
|
|
|
/* clock variance is 10ms or 10,000 us's */
|
|
#define SCTP_CLOCK_GRAINULARITY 10000
|
|
|
|
#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here
|
|
* this detracts a small amount for ipv4
|
|
* but it simplifies the ipv6 addition
|
|
*/
|
|
|
|
#define SCTP_NUM_FDS 3
|
|
|
|
/* raw IP filedescriptor */
|
|
#define SCTP_FD_IP 0
|
|
/* raw ICMP filedescriptor */
|
|
#define SCTP_FD_ICMP 1
|
|
/* processes contact me for requests here */
|
|
#define SCTP_REQUEST 2
|
|
|
|
|
|
#define SCTP_DEAMON_PORT 9899
|
|
|
|
|
|
#ifndef IPPROTO_SCTP
|
|
#define IPPROTO_SCTP 132 /* the Official IANA number :-) */
|
|
#endif
|
|
|
|
/* Deamon registration message types/responses */
|
|
#define DEAMON_REGISTER 0x01
|
|
#define DEAMON_REGISTER_ACK 0x02
|
|
#define DEAMON_DEREGISTER 0x03
|
|
#define DEAMON_DEREGISTER_ACK 0x04
|
|
#define DEAMON_CHECKADDR_LIST 0x05
|
|
|
|
#define DEAMON_MAGIC_VER_LEN 0xff
|
|
|
|
/* max times I will attempt to send a message to deamon */
|
|
#define SCTP_MAX_ATTEMPTS_AT_DEAMON 5
|
|
#define SCTP_TIMEOUT_IN_POLL_FOR_DEAMON 1500 /* 1.5 seconds */
|
|
|
|
/* modular comparison */
|
|
/* True if a > b (mod = M) */
|
|
#define compare_with_wrap(a, b, M) ((a > b) && ((a - b) < (M >> 1))) || \
|
|
((b > a) && ((b - a) > (M >> 1)))
|
|
|
|
#ifndef TIMEVAL_TO_TIMESPEC
|
|
#define TIMEVAL_TO_TIMESPEC(tv, ts) \
|
|
{ \
|
|
(ts)->tv_sec = (tv)->tv_sec; \
|
|
(ts)->tv_nsec = (tv)->tv_usec * 1000; \
|
|
}
|
|
#endif
|
|
|
|
/* pegs */
|
|
#define SCTP_NUMBER_OF_PEGS 21
|
|
/* peg index's */
|
|
#define SCTP_PEG_SACKS_SEEN 0
|
|
#define SCTP_PEG_SACKS_SENT 1
|
|
#define SCTP_PEG_TSNS_SENT 2
|
|
#define SCTP_PEG_TSNS_RCVD 3
|
|
#define SCTP_DATAGRAMS_SENT 4
|
|
#define SCTP_DATAGRAMS_RCVD 5
|
|
#define SCTP_RETRANTSN_SENT 6
|
|
#define SCTP_DUPTSN_RECVD 7
|
|
#define SCTP_HBR_RECV 8
|
|
#define SCTP_HBA_RECV 9
|
|
#define SCTP_HB_SENT 10
|
|
#define SCTP_DATA_DG_SENT 11
|
|
#define SCTP_DATA_DG_RECV 12
|
|
#define SCTP_TMIT_TIMER 13
|
|
#define SCTP_RECV_TIMER 14
|
|
#define SCTP_HB_TIMER 15
|
|
#define SCTP_FAST_RETRAN 16
|
|
#define SCTP_PEG_TSNS_READ 17
|
|
#define SCTP_NONE_LFT_TO 18
|
|
#define SCTP_NONE_LFT_RWND 19
|
|
#define SCTP_NONE_LFT_CWND 20
|
|
|
|
|
|
|
|
#endif
|
|
|