File: ip.h

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

Author: Martin Renters
  Date: Dec/93

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

#ifndef __IP_H_INCLUDED__
#define __IP_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 */

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

#endif /* __IP_H_INCLUDED__ */