/*	$OpenBSD: pcap.h,v 1.2 2002/05/10 15:09:00 ho Exp $	*/

/*
 * Copyright (c) 1993, 1994, 1995, 1996, 1997
 *	The Regents of the University of California.  All rights reserved.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the Computer Systems
 *	Engineering Group at Lawrence Berkeley Laboratory.
 * 4. Neither the name of the University nor of the Laboratory 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.
 *
 * @(#) $Header: /cvs/src/sbin/isakmpd/sysdep/common/pcap.h,v 1.2 2002/05/10 15:09:00 ho Exp $ (LBL)
 */

#ifndef lib_pcap_h
#define lib_pcap_h

#include <sys/types.h>
#include <sys/time.h>

#define PCAP_VERSION_MAJOR	2
#define PCAP_VERSION_MINOR	4
#define DLT_LOOP		12	/* from /usr/include/net/bpf.h */

struct pcap_file_header {
	u_int32_t magic;
	u_int16_t version_major;
	u_int16_t version_minor;
	int32_t	thiszone;	/* gmt to local correction */
	u_int32_t sigfigs;	/* accuracy of timestamps */
	u_int32_t snaplen;	/* max length saved portion of each pkt */
	u_int32_t linktype;	/* data link type (DLT_*) */
};

struct pcap_timeval {
	int32_t tv_sec;		/* seconds */
	int32_t tv_usec;	/* microseconds */
};

struct pcap_pkthdr {
	struct pcap_timeval ts;	/* time stamp */
	u_int32_t caplen;	/* length of portion present */
	u_int32_t len;		/* length this packet (off wire) */
};

#endif /* lib_pcap_h */