osd-contiki/platform/avr-ravenusb/contiki-raven-default-init-net.c

/*
 * Copyright (c) 2006, Technical University of Munich
 * All rights reserved.
 *
 * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
 *
 * This file is part of the Contiki operating system.
 *
 * Author: Simon Barner <barner@in.tum.de>
 *
 * @(#)$$
 */
#include "contiki-raven.h"
#if !RF230BB
#include "zmac.h"
#endif
#include "sicslowpan.h"
#include "sicslow_ethernet.h"
#include "rndis/rndis_task.h"

void byte_reverse(uint8_t * bytes, uint8_t num)
{
  uint8_t tempbyte;
  
  uint8_t i, j;
  
  i = 0;
  j = num - 1;
  
  while(i < j) {
	  tempbyte = bytes[i];
	  bytes[i] = bytes[j];
	  bytes[j] = tempbyte;

	  j--;
	  i++; 
  }
  
  return;
}

void
init_net(void)
{
	extern uint64_t macLongAddr;
	uint64_t usb_ethernet_addr;

	// Because all of the logic below is done using little-endian
	// 64-bit integers, we need to reverse the byte order before
	// we can continue;
	byte_reverse((uint8_t*)&macLongAddr,8);

	/* Set local bit, Clear translate bit, Clear Multicast bit */
	macLongAddr &= ~(0x0700000000000000ULL);
	macLongAddr |=   0x0200000000000000ULL;

	/* Set the Ethernet address to the 15.4 MAC address */
	usb_ethernet_addr =  macLongAddr;

	/* Remove the middle two bytes... */
	usb_ethernet_addr = (usb_ethernet_addr & 0xffffffUL) | ((usb_ethernet_addr & 0xffffff0000000000ULL) >> 16);

	/* Change ieee802.15.4 address to correspond with what the ethernet's
	 IPv6 address will be. This will have ff:fe in the middle.         */
	macLongAddr = (macLongAddr & 0xffffff0000ffffffULL) | (0x000000fffe000000ULL);

#if !RF230BB
	ieee15_4ManagerAddress.set_long_addr(macLongAddr); 
#endif

	byte_reverse((uint8_t*)&macLongAddr,8);
	byte_reverse((uint8_t*)&usb_ethernet_addr,6);

	usb_eth_set_mac_address((uint8_t*)&usb_ethernet_addr);
}