153 lines
4.2 KiB
C
153 lines
4.2 KiB
C
/*
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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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*
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*/
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/**
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* \file
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* A brief description of what this file is
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* \author
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* Niclas Finne <nfi@sics.se>
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* Joakim Eriksson <joakime@sics.se>
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*/
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#include "contiki.h"
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#include "net/ipv6/uip.h"
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#include "dev/slip.h"
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#include "dev/leds.h"
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#include "sicslow_ethernet.h"
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#include "net/packetbuf.h"
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#include <stdio.h>
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#include <string.h>
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#define UIP_IP_BUF ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
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PROCESS(uip6_bridge, "IPv6/6lowpan TAP bridge");
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PROCESS(tcpip_process, "tcpip dummy");
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AUTOSTART_PROCESSES(&uip6_bridge);
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/*---------------------------------------------------------------------------*/
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static uint8_t (* outputfunc)(const uip_lladdr_t *a);
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uint8_t
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tcpip_output(const uip_lladdr_t *a)
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{
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if(outputfunc != NULL) {
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outputfunc(a);
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leds_toggle(LEDS_GREEN);
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}
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return 0;
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}
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void
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tcpip_ipv6_output(void)
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{
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}
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void
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tcpip_set_outputfunc(uint8_t (*f)(const uip_lladdr_t *))
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{
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outputfunc = f;
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}
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PROCESS_THREAD(tcpip_process, ev, data)
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{
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PROCESS_BEGIN();
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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/* Packet from SICSLoWPAN */
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void
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tcpip_input(void)
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{
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if(uip_len > 0) {
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mac_LowpanToEthernet();
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if(uip_len > 0) {
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slip_write(uip_buf, uip_len);
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leds_toggle(LEDS_RED);
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uip_clear_buf();
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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/* Packet from SLIP */
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static void
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slip_tcpip_input(void)
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{
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/* TODO Should fix this in slip configuration */
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memmove(uip_buf, &uip_buf[UIP_LLH_LEN], uip_len);
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mac_ethernetToLowpan(uip_buf);
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}
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/*---------------------------------------------------------------------------*/
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static void
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slip_activity(void)
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{
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leds_toggle(LEDS_BLUE);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(uip6_bridge, ev, data)
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{
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PROCESS_BEGIN();
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printf("Setting up SLIP\n");
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mac_ethernetSetup();
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slip_arch_init();
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slip_set_input_callback(slip_activity);
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slip_set_tcpip_input_callback(slip_tcpip_input);
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process_start(&slip_process, NULL);
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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int
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putchar(int c)
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{
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#define SLIP_END 0300
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static char debug_frame = 0;
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if(!debug_frame) { /* Start of debug output */
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slip_arch_writeb(SLIP_END);
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slip_arch_writeb('\r'); /* Type debug line == '\r' */
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debug_frame = 1;
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}
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slip_arch_writeb((char)c);
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/*
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* Line buffered output, a newline marks the end of debug output and
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* implicitly flushes debug output.
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*/
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if(c == '\n') {
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slip_arch_writeb(SLIP_END);
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debug_frame = 0;
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}
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return c;
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}
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/*---------------------------------------------------------------------------*/
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