/*
 * Copyright (c) 1997-1998 University of Utah and the Flux Group.
 * All rights reserved.
 * 
 * This file is part of the Flux OSKit.  The OSKit is free software, also known
 * as "open source;" you can redistribute it and/or modify it under the terms
 * of the GNU General Public License (GPL), version 2, as published by the Free
 * Software Foundation (FSF).  To explore alternate licensing terms, contact
 * the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
 * 
 * The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GPL for more details.  You should have
 * received a copy of the GPL along with the OSKit; see the file COPYING.  If
 * not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
 */

/* Modified from FreeBSD 2.1 sys/i386/boot/netboot */
/**************************************************************************
NETBOOT -  BOOTP/TFTP Bootstrap Program

Author: Martin Renters
  Date: Dec/93

**************************************************************************/

#ifndef __UDP_H_INCLUDED__
#define __UDP_H_INCLUDED__

struct iphdr {
	char verhdrlen;
	char service;
	unsigned short len;
	unsigned short ident;
	unsigned short frags;
	char ttl;
	char protocol;
	unsigned short chksum;
	char src[4];
	char dest[4];
};

#define IP_UDP		17		/* UDP protocol */
#define IP_BROADCAST	0xFFFFFFFF

unsigned short bootp_ipchksum(void *ipv, int len);

struct udphdr {
	unsigned short src;
	unsigned short dest;
	unsigned short len;
	unsigned short chksum;
};

/* srcip in network order, please */
int bootp_udp_broadcast(char *src_hwaddr, unsigned long srcip,
		 unsigned short srcsock, unsigned short destsock,
		 int len, void *bufv);

#endif /* __UDP_H_INCLUDED__ */