/******************************************************************************
* Copyright (c) 2006 Altera Corporation, San Jose, California, USA.           *
* All rights reserved. All use of this software and documentation is          *
* subject to the License Agreement located at the end of this file below.     *
******************************************************************************
* Date - October 24, 2006                                                     *
* Module - network_utilities.c                                                *             *
*                                                                             *
******************************************************************************/

#include <alt_types.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <sys/alt_flash.h>
#include "includes.h"
#include "io.h"
#include "simple_socket_server.h"

#include <alt_iniche_dev.h>

#include "ipport.h"
#include "tcpport.h"
#include "network_utilities.h"

//#define IP4_ADDR(ipaddr, a,b,c,d) ipaddr = \
//    htonl(((alt_u32)(a & 0xff) << 24) | ((alt_u32)(b & 0xff) << 16) | \
//          ((alt_u32)(c & 0xff) << 8) | (alt_u32)(d & 0xff))
          
#define IP4_ADDR(ipaddr, a,b,c,d) ipaddr = \
    htonl((((alt_u32)(a & 0xff) << 24) | ((alt_u32)(b & 0xff) << 16) | \
           ((alt_u32)(c & 0xff) << 8) | (alt_u32)(d & 0xff)))
/*
* get_mac_addr
*
* Read the MAC address in a board specific way
*
*/
int get_mac_addr(NET net, unsigned char mac_addr[6])
{
    mac_addr[0] = 0x00;
    mac_addr[1] = 0xB0;
    mac_addr[2] = 0x09;
    mac_addr[3] = 0x01;
    mac_addr[4] = 0x02;
    mac_addr[5] = 0x03;
    return 0;
}

/*
 * get_ip_addr()
 *
 * This routine is called by InterNiche to obtain an IP address for the
 * specified network adapter. Like the MAC address, obtaining an IP address is
 * very system-dependant and therefore this function is exported for the
 * developer to control.
 *
 * In our system, we are either attempting DHCP auto-negotiation of IP address,
 * or we are setting our own static IP, Gateway, and Subnet Mask addresses our
 * self. This routine is where that happens.
 */
int get_ip_addr(alt_iniche_dev *p_dev,
                ip_addr* ipaddr,
                ip_addr* netmask,
                ip_addr* gw,
                int* use_dhcp)
{

    IP4_ADDR(*ipaddr, IPADDR0, IPADDR1, IPADDR2, IPADDR3);
    IP4_ADDR(*gw, GWADDR0, GWADDR1, GWADDR2, GWADDR3);
    IP4_ADDR(*netmask, MSKADDR0, MSKADDR1, MSKADDR2, MSKADDR3);

#ifdef DHCP_CLIENT
    *use_dhcp = 0;
#else /* not DHCP_CLIENT */
    *use_dhcp = 0;

    printf("Static IP Address is %d.%d.%d.%d\n",
        ip4_addr1(*ipaddr),
        ip4_addr2(*ipaddr),
        ip4_addr3(*ipaddr),
        ip4_addr4(*ipaddr));
#endif /* not DHCP_CLIENT */

    /* Non-standard API: return 1 for success */
    return 1;
}