102 lines
3 KiB
C
102 lines
3 KiB
C
/*
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*
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* Copyright (c) 2003 Endace Technology Ltd, Hamilton, New Zealand.
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* All rights reserved.
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*
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* This software and documentation has been developed by Endace Technology Ltd.
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* along with the DAG PCI network capture cards. For further information please
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* visit http://www.endace.com/.
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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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* 1. 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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* 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. The name of Endace Technology Ltd may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ENDACE TECHNOLOGY LTD ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ENDACE TECHNOLOGY LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN 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 THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: erf.h,v 1.1 2003/08/26 07:10:38 guy Exp $
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*/
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#ifndef __W_ERF_H__
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#define __W_ERF_H__
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/* Record type defines */
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#define TYPE_LEGACY 0
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#define TYPE_HDLC_POS 1
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#define TYPE_ETH 2
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#define TYPE_ATM 3
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#define TYPE_AAL5 4
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/*
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* The timestamp is 64bit unsigned fixed point little-endian value with
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* 32 bits for second and 32 bits for fraction. For portablility it is
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* given as two 32 bit valies here, ts[1] == secs, ts[0] == fraction
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*/
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#ifdef G_HAVE_GINT64
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typedef guint64 erf_timestamp_t;
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#else
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typedef guint32 erf_timestamp_t[2];
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#endif
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typedef struct erf_record {
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erf_timestamp_t ts;
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guint8 type;
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guint8 flags;
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guint16 rlen;
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guint16 lctr;
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guint16 wlen;
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} erf_header_t;
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#define MAX_RECORD_LEN 0x10000 /* 64k */
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#define RECORDS_FOR_ERF_CHECK 3
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#define FCS_BITS 32
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#ifndef min
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#define min(a, b) ((a) > (b) ? (b) : (a))
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#endif
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/*
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* ATM snaplength
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*/
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#define ATM_SNAPLEN 48
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/*
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* Size of ATM payload
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*/
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#define ATM_SLEN(h, e) ATM_SNAPLEN
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#define ATM_WLEN(h, e) ATM_SNAPLEN
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/*
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* Size of Ethernet payload
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*/
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#define ETHERNET_WLEN(h, e) (g_htons((h)->wlen))
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#define ETHERNET_SLEN(h, e) min(ETHERNET_WLEN(h, e), g_htons((h)->rlen) - sizeof(*(h)) - 2)
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/*
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* Size of HDLC payload
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*/
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#define HDLC_WLEN(h, e) (g_htons((h)->wlen))
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#define HDLC_SLEN(h, e) min(HDLC_WLEN(h, e), g_htons((h)->rlen) - sizeof(*(h)))
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int erf_open(wtap *wth, int *err);
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#endif /* __W_ERF_H__ */
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