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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | # Kconfig - Bluetooth ATT/GATT configuration options # # Copyright (c) 2019 Intel Corporation # # SPDX-License-Identifier: Apache-2.0 # menu "ATT and GATT Options" config BT_ATT_ENFORCE_FLOW bool "Enforce strict flow control semantics for incoming PDUs" default y if !(BOARD_QEMU_CORTEX_M3 || BOARD_QEMU_X86 || ARCH_POSIX) help Enforce flow control rules on incoming PDUs, preventing a peer from sending new requests until a previous one has been responded or sending a new indication until a previous one has been confirmed. This may need to be disabled to avoid potential race conditions arising from a USB based HCI transport that splits HCI events and ACL data to separate endpoints. config BT_ATT_PREPARE_COUNT int "Number of ATT prepare write buffers" default 0 range 0 64 help Number of buffers available for ATT prepare write, setting this to 0 disables GATT long/reliable writes. config BT_ATT_TX_MAX int "Maximum number of queued outgoing ATT PDUs" default 2 range 1 BT_L2CAP_TX_BUF_COUNT help Number of ATT PDUs that can be at a single moment queued for transmission. If the application tries to send more than this amount the calls will block until an existing queued PDU gets sent. config BT_GATT_DYNAMIC_DB bool "GATT dynamic database support" default n help This option enables registering/unregistering services at runtime. config BT_GATT_CACHING bool "GATT Caching support" default y depends on BT_GATT_DYNAMIC_DB select TINYCRYPT select TINYCRYPT_AES select TINYCRYPT_AES_CMAC help This option enables support for GATT Caching. When enabled the stack will register Client Supported Features and Database Hash characteristics which can be used by clients to detect if anything has changed on the GATT database. config BT_GATT_ENFORCE_CHANGE_UNAWARE bool "GATT Enforce change-unaware state" depends on BT_GATT_CACHING help When enable this option blocks notification and indications to client to conform to the following statement from the Bluetooth 5.1 specification: '...the server shall not send notifications and indications to such a client until it becomes change-aware." In case the service cannot deal with sudden errors (-EAGAIN) then it shall not use this option. config BT_GATT_CLIENT bool "GATT client support" help This option enables support for the GATT Client role. config BT_GATT_READ_MULTIPLE bool "GATT Read Multiple Characteristic Values support" default y help This option enables support for the GATT Read Multiple Characteristic Values procedure. config BT_GAP_PERIPHERAL_PREF_PARAMS bool "Configure peripheral preferred connection parameters" default y depends on BT_PERIPHERAL help This allows to configure peripheral preferred connection parameters. Enabling this option results in adding PPCP characteristic in GAP and sending request for connection parameters update after GAP recommended 5 seconds of connection as peripheral. If disabled it is up to application to set expected connection parameters. if BT_GAP_PERIPHERAL_PREF_PARAMS config BT_PERIPHERAL_PREF_MIN_INT int "Peripheral preferred minimum connection interval in 1.25ms units" default 24 range 6 65535 help Range 3200 to 65534 is invalid. 65535 represents no specific value. config BT_PERIPHERAL_PREF_MAX_INT int "Peripheral preferred maximum connection interval in 1.25ms units" default 40 range 6 65535 help Range 3200 to 65534 is invalid. 65535 represents no specific value. config BT_PERIPHERAL_PREF_SLAVE_LATENCY int "Peripheral preferred slave latency in Connection Intervals" default 0 range 0 499 config BT_PERIPHERAL_PREF_TIMEOUT int "Peripheral preferred supervision timeout in 10ms units" default 42 range 10 65535 help It is up to user to provide valid timeout which pass required minimum value: in milliseconds it shall be larger than "(1+ Conn_Latency) * Conn_Interval_Max * 2" where Conn_Interval_Max is given in milliseconds. Range 3200 to 65534 is invalid. 65535 represents no specific value. endif # BT_GAP_PERIPHERAL_PREF_PARAMS config BT_DEVICE_NAME_GATT_WRITABLE bool "Allow to write name by remote GATT clients" depends on BT_DEVICE_NAME_DYNAMIC default y help Enabling this option allows remote GATT clients to write to device name GAP characteristic. if BT_DEBUG config BT_DEBUG_ATT bool "Bluetooth Attribute Protocol (ATT) debug" help This option enables debug support for the Bluetooth Attribute Protocol (ATT). config BT_DEBUG_GATT bool "Bluetooth Generic Attribute Profile (GATT) debug" help This option enables debug support for the Bluetooth Generic Attribute Profile (GATT). endif # BT_DEBUG endmenu |