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 Child Supervision. 32 * 33 */ 34 35 #ifndef CONFIG_CHILD_SUPERVISION_H_ 36 #define CONFIG_CHILD_SUPERVISION_H_ 37 38 /** 39 * @def OPENTHREAD_CONFIG_CHILD_SUPERVISION_ENABLE 40 * 41 * Define to 1 to enable Child Supervision support. 42 * 43 */ 44 #ifndef OPENTHREAD_CONFIG_CHILD_SUPERVISION_ENABLE 45 #define OPENTHREAD_CONFIG_CHILD_SUPERVISION_ENABLE 0 46 #endif 47 48 /** 49 * @def OPENTHREAD_CONFIG_CHILD_SUPERVISION_INTERVAL 50 * 51 * The default supervision interval in seconds used by parent. Set to zero to disable the supervision process on the 52 * parent. 53 * 54 * Applicable only if child supervision feature is enabled (i.e., 55 * `OPENTHREAD_CONFIG_CHILD_SUPERVISION_ENABLE ` is set). 56 * 57 * Child supervision feature provides a mechanism for parent to ensure that a message is sent to each sleepy child 58 * within the supervision interval. If there is no transmission to the child within the supervision interval, child 59 * supervisor will enqueue and send a supervision message (a data message with empty payload) to the child. 60 * 61 */ 62 #ifndef OPENTHREAD_CONFIG_CHILD_SUPERVISION_INTERVAL 63 #define OPENTHREAD_CONFIG_CHILD_SUPERVISION_INTERVAL 129 64 #endif 65 66 /** 67 * @def OPENTHREAD_CONFIG_CHILD_SUPERVISION_CHECK_TIMEOUT 68 * 69 * The default supervision check timeout interval (in seconds) used by a device in child state. Set to zero to disable 70 * the supervision check process on the child. 71 * 72 * Applicable only if child supervision feature is enabled (i.e., `OPENTHREAD_CONFIG_CHILD_SUPERVISION_ENABLE` is set). 73 * 74 * If the sleepy child does not hear from its parent within the specified timeout interval, it initiates the re-attach 75 * process (MLE Child Update Request/Response exchange with its parent). 76 * 77 */ 78 #ifndef OPENTHREAD_CONFIG_CHILD_SUPERVISION_CHECK_TIMEOUT 79 #define OPENTHREAD_CONFIG_CHILD_SUPERVISION_CHECK_TIMEOUT 190 80 #endif 81 82 /** 83 * @def OPENTHREAD_CONFIG_CHILD_SUPERVISION_MSG_NO_ACK_REQUEST 84 * 85 * Define as 1 to clear/disable 15.4 ack request in the MAC header of a supervision message. 86 * 87 * Applicable only if child supervision feature is enabled (i.e., `OPENTHREAD_CONFIG_CHILD_SUPERVISION_ENABLE` is set). 88 * 89 */ 90 #ifndef OPENTHREAD_CONFIG_CHILD_SUPERVISION_MSG_NO_ACK_REQUEST 91 #define OPENTHREAD_CONFIG_CHILD_SUPERVISION_MSG_NO_ACK_REQUEST 0 92 #endif 93 94 #endif // CONFIG_CHILD_SUPERVISION_H_ 95
