/* * Copyright (c) 2007, 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. * * This file is part of the Contiki operating system. * */ /** * \file * A MAC protocol that does not do anything. * \author * Adam Dunkels */ #include #include "net/mac/nullmac.h" #include "net/netstack.h" #include "net/ip/uip.h" #include "net/ip/tcpip.h" #include "net/packetbuf.h" #include "net/netstack.h" /*---------------------------------------------------------------------------*/ static uint8_t send_packet(struct net_mbuf *buf, mac_callback_t sent, bool last_fragment, void *ptr) { NETSTACK_RDC.send(buf, sent, ptr); return 1; } /*---------------------------------------------------------------------------*/ static uint8_t packet_input(struct net_mbuf *buf) { return NETSTACK_LLSEC.input(buf); } /*---------------------------------------------------------------------------*/ static int on(void) { return NETSTACK_RDC.on(); } /*---------------------------------------------------------------------------*/ static int off(int keep_radio_on) { return NETSTACK_RDC.off(keep_radio_on); } /*---------------------------------------------------------------------------*/ static unsigned short channel_check_interval(void) { return 0; } /*---------------------------------------------------------------------------*/ static void init(void) { } /*---------------------------------------------------------------------------*/ const struct mac_driver nullmac_driver = { "nullmac", init, send_packet, packet_input, on, off, channel_check_interval, }; /*---------------------------------------------------------------------------*/