Contiki 3.x
smrf.h
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1 /*
2  * Copyright (c) 2011, Loughborough University - 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
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19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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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  * \file
34  * Header file for 'Stateless Multicast RPL Forwarding' (SMRF)
35  *
36  * \author
37  * George Oikonomou - <oikonomou@users.sourceforge.net>
38  */
39 
40 #ifndef SMRF_H_
41 #define SMRF_H_
42 
43 #include "contiki-conf.h"
44 
45 #include <stdint.h>
46 /*---------------------------------------------------------------------------*/
47 /* Configuration */
48 /*---------------------------------------------------------------------------*/
49 /* Fmin */
50 #ifdef SMRF_CONF_MIN_FWD_DELAY
51 #define SMRF_MIN_FWD_DELAY SMRF_CONF_MIN_FWD_DELAY
52 #else
53 #define SMRF_MIN_FWD_DELAY 4
54 #endif
55 
56 /* Max Spread */
57 #ifdef SMRF_CONF_MAX_SPREAD
58 #define SMRF_MAX_SPREAD SMRF_CONF_MAX_SPREAD
59 #else
60 #define SMRF_MAX_SPREAD 4
61 #endif
62 /*---------------------------------------------------------------------------*/
63 /* Stats datatype */
64 /*---------------------------------------------------------------------------*/
65 struct smrf_stats {
66  uint16_t mcast_in_unique;
67  uint16_t mcast_in_all; /* At layer 3 */
68  uint16_t mcast_in_ours; /* Unique and we are a group member */
69  uint16_t mcast_fwd; /* Forwarded by us but we are not the seed */
70  uint16_t mcast_out; /* We are the seed */
71  uint16_t mcast_bad;
72  uint16_t mcast_dropped;
73 };
74 
75 #endif /* SMRF_H_ */
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