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151 lines
4.4 KiB
151 lines
4.4 KiB
# SPDX-License-Identifier: GPL-2.0-only |
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# |
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# Bluetooth subsystem configuration |
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# |
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menuconfig BT |
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tristate "Bluetooth subsystem support" |
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depends on !S390 |
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depends on RFKILL || !RFKILL |
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select CRC16 |
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select CRYPTO |
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select CRYPTO_SKCIPHER |
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select CRYPTO_LIB_AES |
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imply CRYPTO_AES |
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select CRYPTO_CMAC |
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select CRYPTO_ECB |
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select CRYPTO_SHA256 |
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select CRYPTO_ECDH |
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help |
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Bluetooth is low-cost, low-power, short-range wireless technology. |
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It was designed as a replacement for cables and other short-range |
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technologies like IrDA. Bluetooth operates in personal area range |
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that typically extends up to 10 meters. More information about |
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Bluetooth can be found at <https://www.bluetooth.com/>. |
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Linux Bluetooth subsystem consist of several layers: |
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Bluetooth Core |
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HCI device and connection manager, scheduler |
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SCO audio links |
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L2CAP (Logical Link Control and Adaptation Protocol) |
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SMP (Security Manager Protocol) on LE (Low Energy) links |
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HCI Device drivers (Interface to the hardware) |
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RFCOMM Module (RFCOMM Protocol) |
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BNEP Module (Bluetooth Network Encapsulation Protocol) |
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CMTP Module (CAPI Message Transport Protocol) |
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HIDP Module (Human Interface Device Protocol) |
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Say Y here to compile Bluetooth support into the kernel or say M to |
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compile it as module (bluetooth). |
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To use Linux Bluetooth subsystem, you will need several user-space |
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utilities like hciconfig and bluetoothd. These utilities and updates |
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to Bluetooth kernel modules are provided in the BlueZ packages. For |
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more information, see <http://www.bluez.org/>. |
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config BT_BREDR |
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bool "Bluetooth Classic (BR/EDR) features" |
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depends on BT |
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default y |
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help |
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Bluetooth Classic includes support for Basic Rate (BR) |
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available with Bluetooth version 1.0b or later and support |
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for Enhanced Data Rate (EDR) available with Bluetooth |
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version 2.0 or later. |
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source "net/bluetooth/rfcomm/Kconfig" |
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source "net/bluetooth/bnep/Kconfig" |
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source "net/bluetooth/cmtp/Kconfig" |
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source "net/bluetooth/hidp/Kconfig" |
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config BT_HS |
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bool "Bluetooth High Speed (HS) features" |
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depends on BT_BREDR |
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help |
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Bluetooth High Speed includes support for off-loading |
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Bluetooth connections via 802.11 (wifi) physical layer |
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available with Bluetooth version 3.0 or later. |
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config BT_LE |
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bool "Bluetooth Low Energy (LE) features" |
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depends on BT |
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default y |
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help |
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Bluetooth Low Energy includes support low-energy physical |
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layer available with Bluetooth version 4.0 or later. |
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config BT_6LOWPAN |
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tristate "Bluetooth 6LoWPAN support" |
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depends on BT_LE && 6LOWPAN |
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help |
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IPv6 compression over Bluetooth Low Energy. |
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config BT_LEDS |
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bool "Enable LED triggers" |
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depends on BT |
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depends on LEDS_CLASS |
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select LEDS_TRIGGERS |
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help |
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This option selects a few LED triggers for different |
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Bluetooth events. |
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config BT_MSFTEXT |
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bool "Enable Microsoft extensions" |
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depends on BT |
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help |
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This options enables support for the Microsoft defined HCI |
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vendor extensions. |
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config BT_AOSPEXT |
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bool "Enable Android Open Source Project extensions" |
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depends on BT |
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help |
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This options enables support for the Android Open Source |
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Project defined HCI vendor extensions. |
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config BT_DEBUGFS |
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bool "Export Bluetooth internals in debugfs" |
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depends on BT && DEBUG_FS |
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default y |
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help |
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Provide extensive information about internal Bluetooth states |
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in debugfs. |
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config BT_SELFTEST |
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bool "Bluetooth self testing support" |
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depends on BT && DEBUG_KERNEL |
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help |
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Run self tests when initializing the Bluetooth subsystem. This |
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is a developer option and can cause significant delay when booting |
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the system. |
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When the Bluetooth subsystem is built as module, then the test |
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cases are run first thing at module load time. When the Bluetooth |
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subsystem is compiled into the kernel image, then the test cases |
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are run late in the initcall hierarchy. |
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config BT_SELFTEST_ECDH |
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bool "ECDH test cases" |
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depends on BT_LE && BT_SELFTEST |
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help |
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Run test cases for ECDH cryptographic functionality used by the |
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Bluetooth Low Energy Secure Connections feature. |
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config BT_SELFTEST_SMP |
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bool "SMP test cases" |
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depends on BT_LE && BT_SELFTEST |
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help |
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Run test cases for SMP cryptographic functionality, including both |
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legacy SMP as well as the Secure Connections features. |
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config BT_FEATURE_DEBUG |
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bool "Enable runtime option for debugging statements" |
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depends on BT && !DYNAMIC_DEBUG |
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help |
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This provides an option to enable/disable debugging statements |
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at runtime via the experimental features interface. |
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source "drivers/bluetooth/Kconfig"
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