Contiki 3.x
uip-fw-drv.c
1 /*
2  * Copyright (c) 2004, Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is part of the Contiki operating system.
30  *
31  * Author: Adam Dunkels <adam@sics.se>
32  *
33  */
34 
35 #include "net/ipv4/uip-fw.h"
36 
37 #if !UIP_CONF_IPV6
38 
39 PROCESS(uip_fw_process, "IP forwarding");
40 
41 /*---------------------------------------------------------------------------*/
42 PROCESS_THREAD(uip_fw_process, ev, data)
43 {
44  PROCESS_BEGIN();
45 
46  tcpip_set_outputfunc(uip_fw_output);
47 
48  PROCESS_WAIT_UNTIL(ev == PROCESS_EVENT_EXIT);
49 
50  PROCESS_END();
51 }
52 /*---------------------------------------------------------------------------*/
53 
54 #endif /* UIP_CONF_IPV6 */
#define PROCESS_WAIT_UNTIL(c)
Wait for a condition to occur.
Definition: process.h:192
uIP packet forwarding header file.
#define PROCESS_BEGIN()
Define the beginning of a process.
Definition: process.h:120
#define PROCESS_THREAD(name, ev, data)
Define the body of a process.
Definition: process.h:273
#define PROCESS_END()
Define the end of a process.
Definition: process.h:131
#define PROCESS(name, strname)
Declare a process.
Definition: process.h:307
uint8_t uip_fw_output(void)
Output an IP packet on the correct network interface.
Definition: uip-fw.c:354