net/ip/contiki/llsec/nullsec.c

/*
 * Copyright (c) 2013, Hasso-Plattner-Institut.
 * 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.
 *
 */

/**
 * \file
 *         Insecure link layer security driver.
 * \author
 *         Konrad Krentz <konrad.krentz@gmail.com>
 */

/**
 * \addtogroup nullsec
 * @{
 */

#include <net/l2_buf.h>

#include "contiki/llsec/nullsec.h"
#include "contiki/mac/frame802154.h"
#include "contiki/netstack.h"
#include "contiki/packetbuf.h"

#define DEBUG 0
#include "contiki/ip/uip-debug.h"

#if UIP_LOGGING
#include <stdio.h>
void uip_log(char *msg);
#define UIP_LOG(m) uip_log(m)
#else
#define UIP_LOG(m)
#endif

/*---------------------------------------------------------------------------*/
static void
bootstrap(llsec_on_bootstrapped_t on_bootstrapped)
{
  on_bootstrapped();
}
/*---------------------------------------------------------------------------*/
static uint8_t
send(struct net_buf *buf, mac_callback_t sent, bool last_fragment, void *ptr)
{
  packetbuf_set_attr(buf, PACKETBUF_ATTR_FRAME_TYPE, FRAME802154_DATAFRAME);
  return NETSTACK_MAC.send(buf, sent, last_fragment, ptr);
}
/*---------------------------------------------------------------------------*/
static int
on_frame_created(void)
{
  return 1;
}
/*---------------------------------------------------------------------------*/
static uint8_t
input(struct net_buf *buf)
{
  return NETSTACK_FRAGMENT.reassemble(buf);
}
/*---------------------------------------------------------------------------*/
static uint8_t
get_overhead(void)
{
  return 0;
}
/*---------------------------------------------------------------------------*/
const struct llsec_driver nullsec_driver = {
  "nullsec",
  bootstrap,
  send,
  on_frame_created,
  input,
  get_overhead
};
/*---------------------------------------------------------------------------*/

/** @} */