Contiki 3.x
route.h
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1 /*
2  * Copyright (c) 2005, 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  */
32 
33 /**
34  * \file
35  * Header file for the Rime route table
36  * \author
37  * Adam Dunkels <adam@sics.se>
38  */
39 
40 /**
41  * \addtogroup rime
42  * @{
43  */
44 
45 /**
46  * \defgroup rimeroute Rime route table
47  * @{
48  *
49  * The route module handles the route table in Rime.
50  */
51 
52 #ifndef ROUTE_H_
53 #define ROUTE_H_
54 
55 #include "net/linkaddr.h"
56 
57 struct route_entry {
58  struct route_entry *next;
59  linkaddr_t dest;
60  linkaddr_t nexthop;
61  uint8_t seqno;
62  uint8_t cost;
63  uint8_t time;
64 
65  uint8_t decay;
66  uint8_t time_last_decay;
67 };
68 
69 void route_init(void);
70 int route_add(const linkaddr_t *dest, const linkaddr_t *nexthop,
71  uint8_t cost, uint8_t seqno);
72 struct route_entry *route_lookup(const linkaddr_t *dest);
73 void route_refresh(struct route_entry *e);
74 void route_decay(struct route_entry *e);
75 void route_remove(struct route_entry *e);
76 void route_flush_all(void);
77 void route_set_lifetime(int seconds);
78 
79 int route_num(void);
80 struct route_entry *route_get(int num);
81 
82 #endif /* ROUTE_H_ */
83 /** @} */
84 /** @} */
Header file for the Rime address representation