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 Announce Sender.
32  *
33  */
34 
35 #ifndef CONFIG_ANNOUNCE_SENDER_H_
36 #define CONFIG_ANNOUNCE_SENDER_H_
37 
38 /**
39  * @addtogroup config-announce-sender
40  *
41  * @brief
42  *   This module includes configuration variables for the Announce Sender.
43  *
44  * @{
45  *
46  */
47 
48 /**
49  * @def OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE
50  *
51  * Define as 1 to enable `AnnounceSender` which will periodically send MLE Announce message on all channels.
52  *
53  * The list of channels is determined from the Operational Dataset's ChannelMask.
54  *
55  */
56 #ifndef OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE
57 #define OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE 1
58 #endif
59 
60 /**
61  * @def OPENTHREAD_CONFIG_ANNOUNCE_SENDER_INTERVAL
62  *
63  * Specifies the time interval (in milliseconds) between `AnnounceSender` transmit cycles.
64  *
65  * In a cycle, the `AnnounceSender` sends MLE Announcement on all channels in Active Operational Dataset's ChannelMask.
66  * The transmissions on different channels happen uniformly over the given interval (i.e., if there are 16 channels,
67  * there will be 16 MLE Announcement messages each on one channel with `interval / 16`  between two consecutive MLE
68  * Announcement transmissions).
69  *
70  * Applicable only if `AnnounceSender` feature is enabled (see `OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE`).
71  *
72  */
73 #ifndef OPENTHREAD_CONFIG_ANNOUNCE_SENDER_INTERVAL
74 #define OPENTHREAD_CONFIG_ANNOUNCE_SENDER_INTERVAL 688000 // 688 seconds = 11 min and 28 sec.
75 #endif
76 
77 /**
78  * @def OPENTHREAD_CONFIG_ANNOUNCE_SENDER_REDUNDANCY_CONSTANT
79  *
80  * Specifies the number of MLE Announcement messages that the device must receive within a cycle interval to skip
81  * sending the Announcement itself.
82  *
83  * This is used as the trickle timer redundancy constant in `AnnounceSender`.
84  *
85  * Applicable only if `AnnounceSender` feature is enabled (see `OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE`).
86  *
87  */
88 #ifndef OPENTHREAD_CONFIG_ANNOUNCE_SENDER_REDUNDANCY_CONSTANT
89 #define OPENTHREAD_CONFIG_ANNOUNCE_SENDER_REDUNDANCY_CONSTANT 8
90 #endif
91 
92 /**
93  *  @def OPENTHREAD_CONFIG_ANNOUNCE_SENDER_JITTER_INTERVAL
94  *
95  * Specifies the jitter interval (in milliseconds) used by `AnnounceSender`. A random jitter interval is applied to
96  * the period between any two successive MLE Announcement transmissions (possibly) on different channels.
97  *
98  */
99 #ifndef OPENTHREAD_CONFIG_ANNOUNCE_SENDER_JITTER_INTERVAL
100 #define OPENTHREAD_CONFIG_ANNOUNCE_SENDER_JITTER_INTERVAL 500
101 #endif
102 
103 /**
104  * @}
105  *
106  */
107 
108 #endif // CONFIG_ANNOUNCE_SENDER_H_
109