A module that enables Rime to run over UDP.
This commit is contained in:
nvt-se
parent
005578a722
commit
c531f25c94
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@ -8,6 +8,7 @@ RIME_MULTIHOP = netflood.c multihop.c rmh.c trickle.c
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RIME_MESH = mesh.c route.c route-discovery.c
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RIME_MESH = mesh.c route.c route-discovery.c
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RIME_COLLECT = collect.c neighbor.c neighbor-discovery.c
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RIME_COLLECT = collect.c neighbor.c neighbor-discovery.c
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RIME_RUDOLPH = rudolph0.c rudolph1.c rudolph2.c
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RIME_RUDOLPH = rudolph0.c rudolph1.c rudolph2.c
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RIME_UIP6 = rime-udp.c
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CONTIKI_SOURCEFILES += $(RIME_BASE) \
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CONTIKI_SOURCEFILES += $(RIME_BASE) \
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$(RIME_SINGLEHOP) \
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$(RIME_SINGLEHOP) \
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170
core/net/rime/rime-udp.c
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170
core/net/rime/rime-udp.c
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/*
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* Copyright (c) 2009, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: rime-udp.c,v 1.1 2009/04/06 13:13:26 nvt-se Exp $
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*/
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/**
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* \file
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* A MAC protocol using UDP over IPv6.
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* \author
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* Nicolas Tsiftes <nvt@sics.se>
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*/
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#include <string.h>
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#include "net/uip.h"
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#include "net/uip-udp-packet.h"
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#include "net/uip-netif.h"
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#include "net/rime/rime-udp.h"
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#include "net/rime/packetbuf.h"
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#define DEBUG 1
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
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#define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
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#else
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#define PRINTF(...)
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#define PRINT6ADDR(addr)
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#define PRINTLLADDR(addr)
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#endif
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#ifndef RIME_CONF_UDP_PORT
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#define RIME_UDP_PORT 9508
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#else
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#define RIME_UDP_PORT RIME_CONF_UDP_PORT
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#endif /* RIME_CONF_UDP_PORT */
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static struct uip_udp_conn *broadcast_conn;
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static struct uip_udp_conn *unicast_conn;
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static void (* receiver_callback)(const struct mac_driver *);
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PROCESS(rime_udp_process, "Rime over UDP process");
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PROCESS_THREAD(rime_udp_process, ev, data)
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{
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static uip_ipaddr_t ipaddr;
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PROCESS_BEGIN();
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uip_create_linklocal_allnodes_mcast(&ipaddr);
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broadcast_conn = udp_new(&ipaddr, HTONS(RIME_UDP_PORT), NULL);
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if(broadcast_conn == NULL) {
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PRINTF("rime-udp: Failed to allocate a broadcast connection!\n");
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}
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udp_bind(broadcast_conn, HTONS(RIME_UDP_PORT));
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uip_create_unspecified(&ipaddr);
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unicast_conn = udp_new(&ipaddr, HTONS(RIME_UDP_PORT), NULL);
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if(unicast_conn == NULL) {
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PRINTF("rime-udp: Failed to allocate a unicast connection!\n");
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}
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udp_bind(unicast_conn, HTONS(RIME_UDP_PORT));
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while(1) {
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PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
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if(uip_newdata()) {
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packetbuf_clear();
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memmove(packetbuf_hdrptr(), uip_appdata, uip_datalen());
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PRINTF("rime-udp: received %d bytes\n", uip_datalen());
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receiver_callback(&rime_udp_driver);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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static int
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send_packet(void)
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{
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const rimeaddr_t *addr;
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addr = packetbuf_addr(PACKETBUF_ADDR_RECEIVER);
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PRINTF("rime-udp: Sending %d bytes to %d.%d\n", packetbuf_totlen(),
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addr->u8[0], addr->u8[1]);
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if(rimeaddr_cmp(&rimeaddr_null, addr)) {
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uip_udp_packet_send(broadcast_conn,
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packetbuf_hdrptr(), packetbuf_totlen());
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} else {
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uip_ip6addr(&unicast_conn->ripaddr, 0xfe80, 0, 0, 0, 0, 0, 0, 0);
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uip_netif_addr_autoconf_set(&unicast_conn->ripaddr, (uip_lladdr_t *)addr);
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uip_udp_packet_send(unicast_conn,
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packetbuf_hdrptr(), packetbuf_totlen());
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uip_create_unspecified(&unicast_conn->ripaddr);
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}
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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static int
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read_packet(void)
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{
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packetbuf_set_datalen(uip_datalen());
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return uip_datalen();
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}
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/*---------------------------------------------------------------------------*/
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static void
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set_receive_function(void (* recv)(const struct mac_driver *))
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{
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receiver_callback = recv;
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}
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/*---------------------------------------------------------------------------*/
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static int
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on(void)
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{
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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static int
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off(int keep_radio_on)
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{
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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const struct mac_driver rime_udp_driver = {
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"rime-udp",
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send_packet,
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read_packet,
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set_receive_function,
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on,
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off,
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};
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/*---------------------------------------------------------------------------*/
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const struct mac_driver *
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rime_udp_init(const struct radio_driver *d)
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{
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process_start(&rime_udp_process, NULL);
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return &rime_udp_driver;
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}
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/*---------------------------------------------------------------------------*/
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51
core/net/rime/rime-udp.h
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51
core/net/rime/rime-udp.h
Normal file
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@ -0,0 +1,51 @@
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/*
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* Copyright (c) 2009, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: rime-udp.h,v 1.1 2009/04/06 13:13:26 nvt-se Exp $
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*/
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/**
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* \file
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* A MAC protocol using UDP over IPv6.
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* \author
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* Nicolas Tsiftes <nvt@sics.se>
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*/
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#ifndef __UDPMAC_H__
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#define __UDPMAC_H__
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#include "net/mac/mac.h"
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#include "dev/radio.h"
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extern const struct mac_driver rime_udp_driver;
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const struct mac_driver *rime_udp_init(const struct radio_driver *r);
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#endif /* __UDPMAC_H__ */
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