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/*	$FreeBSD: release/9.1.0/contrib/ipfilter/ipsend/tcpip.h 153881 2005-12-30 11:52:26Z guido $	*/

/*
 * Copyright (c) 1982, 1986, 1993
 *	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. Neither the name of the University nor the names of its contributors
 *    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.
 *
 *	@(#)tcpip.h	8.1 (Berkeley) 6/10/93
 * $Id: tcpip.h,v 2.2.2.3 2004/05/26 15:45:48 darrenr Exp $
 */

#ifndef _NETINET_TCPIP_H_
#define _NETINET_TCPIP_H_

# if defined(linux) && !defined(LINUX_IPOVLY)
#  define LINUX_IPOVLY
struct ipovly {
	caddr_t	ih_next, ih_prev;	/* for protocol sequence q's */
	u_char	ih_x1;			/* (unused) */
	u_char	ih_pr;			/* protocol */
	short	ih_len;			/* protocol length */
	struct	in_addr ih_src;		/* source internet address */
	struct	in_addr ih_dst;		/* destination internet address */
};
# endif

/*
 * Tcp+ip header, after ip options removed.
 */
struct tcpiphdr {
	struct 	ipovly ti_i;		/* overlaid ip structure */
	struct	tcphdr ti_t;		/* tcp header */
};

#ifdef notyet
/*
 * Tcp+ip header, after ip options removed but including TCP options.
 */
struct full_tcpiphdr {
	struct 	ipovly ti_i;		/* overlaid ip structure */
	struct	tcphdr ti_t;		/* tcp header */
	char	ti_o[TCP_MAXOLEN];	/* space for tcp options */
};
#endif /* notyet */
#define	ti_next		ti_i.ih_next
#define	ti_prev		ti_i.ih_prev
#define	ti_x1		ti_i.ih_x1
#define	ti_pr		ti_i.ih_pr
#define	ti_len		ti_i.ih_len
#define	ti_src		ti_i.ih_src
#define	ti_dst		ti_i.ih_dst
#define	ti_sport	ti_t.th_sport
#define	ti_dport	ti_t.th_dport
#define	ti_seq		ti_t.th_seq
#define	ti_ack		ti_t.th_ack
#define	ti_x2		ti_t.th_x2
#define	ti_off		ti_t.th_off
#define	ti_flags	ti_t.th_flags
#define	ti_win		ti_t.th_win
#define	ti_sum		ti_t.th_sum
#define	ti_urp		ti_t.th_urp

#endif