/******************************************************************************
 * Copyright (c) 2004, 2008 IBM Corporation
 * All rights reserved.
 * This program and the accompanying materials
 * are made available under the terms of the BSD License
 * which accompanies this distribution, and is available at
 * http://www.opensource.org/licenses/bsd-license.php
 *
 * Contributors:
 *     IBM Corporation - initial implementation
 *****************************************************************************/


#ifndef _TFTP_H_
#define _TFTP_H_

#include <stdint.h>
#include <netlib/ipv6.h>

struct tftphdr {
	int16_t th_opcode;
	uint16_t th_data;
};

typedef struct {
	uint32_t own_ip;
	ip6_addr_t own_ip6;
	uint32_t server_ip;
	ip6_addr_t server_ip6;
	ip6_addr_t dns_ip6;
	int8_t filename[256];
	int    fd;
} __attribute__ ((packed)) filename_ip_t ;

typedef struct {
	uint32_t bad_tftp_packets;
	uint32_t no_packets;
	uint32_t blocks_missed;
	uint32_t blocks_received;
} tftp_err_t;

int tftp(filename_ip_t *, unsigned char  *, int, unsigned int,
         tftp_err_t *, int32_t mode, int32_t blocksize, int ip_version);
int tftp_netsave(filename_ip_t *, uint8_t * buffer, int len,
		 int use_ci, unsigned int retries, tftp_err_t * tftp_err);

int32_t handle_tftp(int fd, uint8_t *, int32_t);
void handle_tftp_dun(uint8_t err_code);
int parse_tftp_args(char buffer[], char *server_ip, char filename[], int fd, int len);

#endif