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Diffstat (limited to 'contrib/tcpdump/sctpHeader.h')
| -rw-r--r-- | contrib/tcpdump/sctpHeader.h | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/contrib/tcpdump/sctpHeader.h b/contrib/tcpdump/sctpHeader.h new file mode 100644 index 0000000..63f30b5 --- /dev/null +++ b/contrib/tcpdump/sctpHeader.h @@ -0,0 +1,323 @@ +/* @(#) $Header: /tcpdump/master/tcpdump/sctpHeader.h,v 1.6 2002-12-11 07:14:11 guy Exp $ (LBL) */ + +/* SCTP reference Implementation Copyright (C) 1999 Cisco And Motorola + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 4. Neither the name of Cisco nor of Motorola may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * This file is part of the SCTP reference Implementation + * + * + * Please send any bug reports or fixes you make to one of the following email + * addresses: + * + * rstewar1@email.mot.com + * kmorneau@cisco.com + * qxie1@email.mot.com + * + * Any bugs reported given to us we will try to fix... any fixes shared will + * be incorperated into the next SCTP release. + */ + + +#ifndef __sctpHeader_h__ +#define __sctpHeader_h__ + +#include <sctpConstants.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* the sctp common header */ + +#ifdef TRU64 + #define _64BITS 1 +#endif + +struct sctpHeader{ + u_int16_t source; + u_int16_t destination; + u_int32_t verificationTag; + u_int32_t adler32; +}; + +/* various descriptor parsers */ + +struct sctpChunkDesc{ + u_int8_t chunkID; + u_int8_t chunkFlg; + u_int16_t chunkLength; +}; + +struct sctpParamDesc{ + u_int16_t paramType; + u_int16_t paramLength; +}; + + +struct sctpRelChunkDesc{ + struct sctpChunkDesc chk; + u_int32_t serialNumber; +}; + +struct sctpVendorSpecificParam { + struct sctpParamDesc p; /* type must be 0xfffe */ + u_int32_t vendorId; /* vendor ID from RFC 1700 */ + u_int16_t vendorSpecificType; + u_int16_t vendorSpecificLen; +}; + + +/* Structures for the control parts */ + + + +/* Sctp association init request/ack */ + +/* this is used for init ack, too */ +struct sctpInitiation{ + u_int32_t initTag; /* tag of mine */ + u_int32_t rcvWindowCredit; /* rwnd */ + u_int16_t NumPreopenStreams; /* OS */ + u_int16_t MaxInboundStreams; /* MIS */ + u_int32_t initialTSN; + /* optional param's follow in sctpParamDesc form */ +}; + +struct sctpV4IpAddress{ + struct sctpParamDesc p; /* type is set to SCTP_IPV4_PARAM_TYPE, len=10 */ + u_int32_t ipAddress; +}; + + +struct sctpV6IpAddress{ + struct sctpParamDesc p; /* type is set to SCTP_IPV6_PARAM_TYPE, len=22 */ + u_int8_t ipAddress[16]; +}; + +struct sctpDNSName{ + struct sctpParamDesc param; + u_int8_t name[1]; +}; + + +struct sctpCookiePreserve{ + struct sctpParamDesc p; /* type is set to SCTP_COOKIE_PRESERVE, len=8 */ + u_int32_t extraTime; +}; + + +struct sctpTimeStamp{ + u_int32_t ts_sec; + u_int32_t ts_usec; +}; + +/* wire structure of my cookie */ +struct cookieMessage{ + u_int32_t TieTag_curTag; /* copied from assoc if present */ + u_int32_t TieTag_hisTag; /* copied from assoc if present */ + int32_t cookieLife; /* life I will award this cookie */ + struct sctpTimeStamp timeEnteringState; /* the time I built cookie */ + struct sctpInitiation initAckISent; /* the INIT-ACK that I sent to my peer */ + u_int32_t addressWhereISent[4]; /* I make this 4 ints so I get 128bits for future */ + int32_t addrtype; /* address type */ + u_int16_t locScope; /* V6 local scope flag */ + u_int16_t siteScope; /* V6 site scope flag */ + /* at the end is tacked on the INIT chunk sent in + * its entirety and of course our + * signature. + */ +}; + + +/* this guy is for use when + * I have a initiate message gloming the + * things together. + + */ +struct sctpUnifiedInit{ + struct sctpChunkDesc uh; + struct sctpInitiation initm; +}; + +struct sctpSendableInit{ + struct sctpHeader mh; + struct sctpUnifiedInit msg; +}; + + +/* Selective Acknowledgement + * has the following structure with + * a optional ammount of trailing int's + * on the last part (based on the numberOfDesc + * field). + */ + +struct sctpSelectiveAck{ + u_int32_t highestConseqTSN; + u_int32_t updatedRwnd; + u_int16_t numberOfdesc; + u_int16_t numDupTsns; +}; + +struct sctpSelectiveFrag{ + u_int16_t fragmentStart; + u_int16_t fragmentEnd; +}; + + +struct sctpUnifiedSack{ + struct sctpChunkDesc uh; + struct sctpSelectiveAck sack; +}; + +/* for both RTT request/response the + * following is sent + */ + +struct sctpHBrequest { + u_int32_t time_value_1; + u_int32_t time_value_2; +}; + +/* here is what I read and respond with to. */ +struct sctpHBunified{ + struct sctpChunkDesc hdr; + struct sctpParamDesc hb; +}; + + +/* here is what I send */ +struct sctpHBsender{ + struct sctpChunkDesc hdr; + struct sctpParamDesc hb; + struct sctpHBrequest rtt; + int8_t addrFmt[SCTP_ADDRMAX]; + u_int16_t userreq; +}; + + + +/* for the abort and shutdown ACK + * we must carry the init tag in the common header. Just the + * common header is all that is needed with a chunk descriptor. + */ +struct sctpUnifiedAbort{ + struct sctpChunkDesc uh; +}; + +struct sctpUnifiedAbortLight{ + struct sctpHeader mh; + struct sctpChunkDesc uh; +}; + +struct sctpUnifiedAbortHeavy{ + struct sctpHeader mh; + struct sctpChunkDesc uh; + u_int16_t causeCode; + u_int16_t causeLen; +}; + +/* For the graceful shutdown we must carry + * the tag (in common header) and the highest consequitive acking value + */ +struct sctpShutdown { + u_int32_t TSN_Seen; +}; + +struct sctpUnifiedShutdown{ + struct sctpChunkDesc uh; + struct sctpShutdown shut; +}; + +/* in the unified message we add the trailing + * stream id since it is the only message + * that is defined as a operation error. + */ +struct sctpOpErrorCause{ + u_int16_t cause; + u_int16_t causeLen; +}; + +struct sctpUnifiedOpError{ + struct sctpChunkDesc uh; + struct sctpOpErrorCause c; +}; + +struct sctpUnifiedStreamError{ + struct sctpHeader mh; + struct sctpChunkDesc uh; + struct sctpOpErrorCause c; + u_int16_t strmNum; + u_int16_t reserved; +}; + +struct staleCookieMsg{ + struct sctpHeader mh; + struct sctpChunkDesc uh; + struct sctpOpErrorCause c; + u_int32_t moretime; +}; + +/* the following is used in all sends + * where nothing is needed except the + * chunk/type i.e. shutdownAck Abort */ + +struct sctpUnifiedSingleMsg{ + struct sctpHeader mh; + struct sctpChunkDesc uh; +}; + +struct sctpDataPart{ + u_int32_t TSN; + u_int16_t streamId; + u_int16_t sequence; + u_int32_t payloadtype; +}; + +struct sctpUnifiedDatagram{ + struct sctpChunkDesc uh; + struct sctpDataPart dp; +}; + +struct sctpECN_echo{ + struct sctpChunkDesc uh; + u_int32_t Lowest_TSN; +}; + + +struct sctpCWR{ + struct sctpChunkDesc uh; + u_int32_t TSN_reduced_at; +}; + +#ifdef __cplusplus +} +#endif + +#endif |
