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/*	$NetBSD: iodesc.h,v 1.10 2014/03/29 14:30:16 jakllsch Exp $	*/

/*
 * Copyright (c) 1993 Adam Glass
 * Copyright (c) 1992 Regents of the University of California.
 * All rights reserved.
 *
 * This software was developed by the Computer Systems Engineering group
 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
 * contributed to Berkeley.
 *
 * 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 University of
 *	California, Lawrence Berkeley Laboratory and its contributors.
 * 4. 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.
 */

#ifndef __SYS_LIBNETBOOT_IODESC_H
#define __SYS_LIBNETBOOT_IODESC_H

#include <net/if_ether.h>		/* for ETHER_ADDR_LEN */

#ifdef _STANDALONE
/*
 * libsa code uses the following types to avoid 64 bit time_t:
 *
 * satime_t:
 *	numbers in seconds returned by the machine dependent getsecs() function
 *	which are used to measure relative time
 *
 * saseconds_t:
 *	numbers in seconds used to specify timeout to network drivers
 *
 */
typedef unsigned int	satime_t;
typedef int		saseconds_t;
#else
typedef time_t		satime_t;
typedef time_t		saseconds_t;
#endif

struct iodesc {
	struct	in_addr destip;		/* dest. ip addr, net order */
	struct	in_addr myip;		/* local ip addr, net order */
	u_short	destport;		/* dest. port, net order */
	u_short	myport;			/* local port, net order */
	u_long	xid;			/* transaction identification */
	u_char	myea[ETHER_ADDR_LEN];	/* my ethernet address */
	void	*io_netif;
};

struct iodesc	*socktodesc(int);
ssize_t		netif_get(struct iodesc *, void *, size_t, saseconds_t);
ssize_t		netif_put(struct iodesc *, void *, size_t);

#endif /* __SYS_LIBNETBOOT_IODESC_H */