From Jesper Peterson: support for Endace ERF file format.

svn path=/trunk/; revision=8272

1 files changed, 101 insertions, 0 deletions

diff --git a/wiretap/erf.h b/wiretap/erf.h
new file mode 100644
index 0000000000..ff9daa2dbd
--- /dev/null
+++ b/wiretap/erf.h
@@ -0,0 +1,101 @@
+/*
+*
+* Copyright (c) 2003 Endace Technology Ltd, Hamilton, New Zealand.
+* All rights reserved.
+*
+* This software and documentation has been developed by Endace Technology Ltd.
+* along with the DAG PCI network capture cards. For further information please
+* visit http://www.endace.com/.
+*
+* 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.
+*
+*  3. The name of Endace Technology Ltd may not be used to endorse or promote
+*  products derived from this software without specific prior written
+*  permission.
+*
+* THIS SOFTWARE IS PROVIDED BY ENDACE TECHNOLOGY LTD ``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 ENDACE TECHNOLOGY LTD 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.
+*
+* $Id: erf.h,v 1.1 2003/08/26 07:10:38 guy Exp $
+*/
+
+#ifndef __W_ERF_H__
+#define __W_ERF_H__
+
+/* Record type defines */
+#define TYPE_LEGACY	0
+#define TYPE_HDLC_POS	1
+#define TYPE_ETH	2
+#define TYPE_ATM	3
+#define TYPE_AAL5	4
+
+ /*
+  * The timestamp is 64bit unsigned fixed point little-endian value with
+  * 32 bits for second and 32 bits for fraction. For portablility it is
+  * given as two 32 bit valies here, ts[1] == secs, ts[0] == fraction
+  */
+#ifdef G_HAVE_GINT64
+typedef guint64 erf_timestamp_t;
+#else
+typedef guint32	erf_timestamp_t[2];
+#endif
+
+typedef struct erf_record {
+	erf_timestamp_t	ts;
+	guint8		type;
+	guint8		flags;
+	guint16		rlen;
+	guint16		lctr;
+	guint16		wlen;
+} erf_header_t;
+
+#define MAX_RECORD_LEN	0x10000 /* 64k */
+#define RECORDS_FOR_ERF_CHECK	3
+#define FCS_BITS	32
+
+#ifndef min
+#define min(a, b) ((a) > (b) ? (b) : (a))
+#endif
+
+/*
+ * ATM snaplength
+ */
+#define ATM_SNAPLEN		48
+
+/*
+ * Size of ATM payload 
+ */
+#define ATM_SLEN(h, e)		ATM_SNAPLEN
+#define ATM_WLEN(h, e)		ATM_SNAPLEN
+
+/*
+ * Size of Ethernet payload
+ */
+#define ETHERNET_WLEN(h, e)	(g_htons((h)->wlen))
+#define ETHERNET_SLEN(h, e)	min(ETHERNET_WLEN(h, e), g_htons((h)->rlen) - sizeof(*(h)) - 2)
+
+/*
+ * Size of HDLC payload
+ */
+#define HDLC_WLEN(h, e)		(g_htons((h)->wlen))
+#define HDLC_SLEN(h, e)		min(HDLC_WLEN(h, e), g_htons((h)->rlen) - sizeof(*(h)))
+
+int erf_open(wtap *wth, int *err);
+
+#endif /* __W_ERF_H__ */