1 /*
2  *  Copyright (c) 2019, The OpenThread Authors.
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 are met:
7  *  1. Redistributions of source code must retain the above copyright
8  *     notice, this list of conditions and the following disclaimer.
9  *  2. Redistributions in binary form must reproduce the above copyright
10  *     notice, this list of conditions and the following disclaimer in the
11  *     documentation and/or other materials provided with the distribution.
12  *  3. Neither the name of the copyright holder nor the
13  *     names of its contributors may be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  *  POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /**
30  * @file
31  *   This file includes compile-time configurations for the Link Quality service.
32  *
33  */
34 
35 #ifndef CONFIG_LINK_QUALITY_H_
36 #define CONFIG_LINK_QUALITY_H_
37 
38 /**
39  * @addtogroup config-link-quality
40  *
41  * @brief
42  *   This module includes configuration variables for the Link Quality service.
43  *
44  * @{
45  *
46  */
47 
48 /**
49  * @def OPENTHREAD_CONFIG_CCA_FAILURE_RATE_AVERAGING_WINDOW
50  *
51  * OpenThread's MAC implementation maintains the average failure rate of CCA (Clear Channel Assessment) operation on
52  * frame transmissions. This value specifies the window (in terms of number of transmissions or samples) over which the
53  * average rate is maintained. Practically, the average value can be considered as the percentage of CCA failures in
54  * (approximately) last AVERAGING_WINDOW frame transmissions.
55  *
56  */
57 #ifndef OPENTHREAD_CONFIG_CCA_FAILURE_RATE_AVERAGING_WINDOW
58 #define OPENTHREAD_CONFIG_CCA_FAILURE_RATE_AVERAGING_WINDOW 512
59 #endif
60 
61 /**
62  * @def OPENTHREAD_CONFIG_FRAME_TX_ERR_RATE_AVERAGING_WINDOW
63  *
64  * OpenThread's MAC implementation maintains the average error rate of MAC frame transmissions per neighbor. This
65  * parameter specifies the window (in terms of number of frames/sample) over which the average error rate is maintained.
66  * Practically, the average value can be considered as the percentage of failed (no ack) MAC frame transmissions  over
67  * (approximately) last AVERAGING_WINDOW frame transmission attempts to a specific neighbor.
68  *
69  */
70 #ifndef OPENTHREAD_CONFIG_FRAME_TX_ERR_RATE_AVERAGING_WINDOW
71 #define OPENTHREAD_CONFIG_FRAME_TX_ERR_RATE_AVERAGING_WINDOW 128
72 #endif
73 
74 /**
75  * @def OPENTHREAD_CONFIG_IPV6_TX_ERR_RATE_AVERAGING_WINDOW
76  *
77  * OpenThread maintains the average error rate of IPv6 messages per neighbor. This parameter specifies the
78  * window (in terms of number of messages) over which the average error rate is maintained. Practically, the average
79  * value can be considered as the percentage of failed (no ack) messages over (approximately) last AVERAGING_WINDOW
80  * IPv6 messages sent to a specific neighbor.
81  *
82  */
83 #ifndef OPENTHREAD_CONFIG_IPV6_TX_ERR_RATE_AVERAGING_WINDOW
84 #define OPENTHREAD_CONFIG_IPV6_TX_ERR_RATE_AVERAGING_WINDOW 128
85 #endif
86 
87 /**
88  * @}
89  *
90  */
91 
92 #endif // CONFIG_LINK_QUALITY_H_
93