/*
 * Copyright (c) 2001, Swedish Institute of Computer Science.
 * 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.
 *
 * Author: Adam Dunkels <adam@sics.se>
 *
 * $Id: tapdev.c,v 1.8 2006/06/07 08:39:58 adam Exp $
 */

#define UIP_DRIPADDR0 192
#define UIP_DRIPADDR1 168
#define UIP_DRIPADDR2 0
#define UIP_DRIPADDR3 1

#include "uip.h"

#include "hal_emac.h"

/*---------------------------------------------------------------------------*/
void tapdev_init(void)
{
}
/*---------------------------------------------------------------------------*/
unsigned int tapdev_read(void)
{
    BL_Err_Type ret;
    uint32_t len;

    ret = emac_bd_rx_dequeue(-1, &len, uip_buf);
    len = (0 == ret) ? len : 0;

    return len;
}
/*---------------------------------------------------------------------------*/
void tapdev_send(void)
{
    emac_bd_tx_enqueue(-1, uip_len, uip_buf);
}
/*---------------------------------------------------------------------------*/