100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*
|
|
* Copyright (c) 2004, 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.
|
|
*
|
|
* Author: Adam Dunkels <adam@sics.se>
|
|
*
|
|
* $Id: ethernode-uip.c,v 1.6 2008/01/04 21:59:13 oliverschmidt Exp $
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
|
|
#include "ethernode.h"
|
|
|
|
#include "net/uip-fw.h"
|
|
#include "net/hc.h"
|
|
#ifdef __CYGWIN__
|
|
#include "net/wpcap.h"
|
|
#else /* __CYGWIN__ */
|
|
#include "net/tapdev.h"
|
|
#endif /* __CYGWIN__ */
|
|
|
|
#include "node-id.h"
|
|
|
|
PROCESS(ethernode_uip_process, "Ethernode driver");
|
|
|
|
enum { NULLEVENT };
|
|
/*---------------------------------------------------------------------------*/
|
|
u8_t
|
|
ethernode_uip_send(void)
|
|
{
|
|
/* printf("%d: ethernode_uip_send\n", node_id);*/
|
|
uip_len = hc_compress(&uip_buf[UIP_LLH_LEN], uip_len);
|
|
|
|
return ethernode_send();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(ethernode_uip_process, ev, data)
|
|
{
|
|
PROCESS_BEGIN();
|
|
|
|
while(1) {
|
|
process_poll(ðernode_uip_process);
|
|
PROCESS_WAIT_EVENT();
|
|
|
|
/* Poll Ethernet device to see if there is a frame avaliable. */
|
|
uip_len = ethernode_read(uip_buf, UIP_BUFSIZE);
|
|
|
|
if(uip_len > 0) {
|
|
/* printf("%d: new packet len %d\n", node_id, uip_len);*/
|
|
|
|
/* if((random_rand() % drop) <= drop / 2) {
|
|
printf("Bropp\n");
|
|
} else*/ {
|
|
|
|
uip_len = hc_inflate(&uip_buf[UIP_LLH_LEN], uip_len);
|
|
|
|
#ifdef __CYGWIN__
|
|
wpcap_send();
|
|
#else /* __CYGWIN__ */
|
|
tapdev_send();
|
|
#endif /* __CYGWIN__ */
|
|
/* if(uip_fw_forward() == UIP_FW_LOCAL)*/ {
|
|
/* A frame was avaliable (and is now read into the uip_buf), so
|
|
we process it. */
|
|
tcpip_input();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
PROCESS_END();
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|