1 # SPDX-License-Identifier: GPL-2.0-only <<
2 # 1 #
3 # Bluetooth subsystem configuration 2 # Bluetooth subsystem configuration
4 # 3 #
5 4
6 menuconfig BT !! 5 menu "Bluetooth support"
>> 6 depends on NET
>> 7
>> 8 config BT
7 tristate "Bluetooth subsystem support" 9 tristate "Bluetooth subsystem support"
8 depends on !S390 <<
9 depends on RFKILL || !RFKILL <<
10 select CRC16 <<
11 select CRYPTO <<
12 select CRYPTO_SKCIPHER <<
13 select CRYPTO_LIB_AES <<
14 imply CRYPTO_AES <<
15 select CRYPTO_CMAC <<
16 select CRYPTO_ECB <<
17 select CRYPTO_SHA256 <<
18 select CRYPTO_ECDH <<
19 help 10 help
20 Bluetooth is low-cost, low-power, sh 11 Bluetooth is low-cost, low-power, short-range wireless technology.
21 It was designed as a replacement for 12 It was designed as a replacement for cables and other short-range
22 technologies like IrDA. Bluetooth o 13 technologies like IrDA. Bluetooth operates in personal area range
23 that typically extends up to 10 mete 14 that typically extends up to 10 meters. More information about
24 Bluetooth can be found at <https://w !! 15 Bluetooth can be found at <http://www.bluetooth.com/>.
25 16
26 Linux Bluetooth subsystem consist of 17 Linux Bluetooth subsystem consist of several layers:
27 Bluetooth Core !! 18 Bluetooth Core (HCI device and connection manager, scheduler)
28 HCI device and connection mana !! 19 HCI Device drivers (interface to the hardware)
29 SCO audio links !! 20 L2CAP Module (L2CAP protocol)
30 L2CAP (Logical Link Control an !! 21 SCO Module (SCO links)
31 SMP (Security Manager Protocol !! 22 RFCOMM Module (RFCOMM protocol)
32 ISO isochronous links !! 23 BNEP Module (BNEP protocol)
33 HCI Device drivers (Interface to <<
34 RFCOMM Module (RFCOMM Protocol) <<
35 BNEP Module (Bluetooth Network En <<
36 CMTP Module (CAPI Message Transpo <<
37 HIDP Module (Human Interface Devi <<
38 24
39 Say Y here to compile Bluetooth supp !! 25 Say Y here to enable Linux Bluetooth support and to build Bluetooth Core
40 compile it as module (bluetooth). !! 26 layer.
41 27
42 To use Linux Bluetooth subsystem, yo 28 To use Linux Bluetooth subsystem, you will need several user-space
43 utilities like hciconfig and bluetoo !! 29 utilities like hciconfig and hcid. These utilities and updates to
44 to Bluetooth kernel modules are prov !! 30 Bluetooth kernel modules are provided in the BlueZ packages.
45 more information, see <http://www.bl !! 31 For more information, see <http://bluez.sourceforge.net/>.
46 <<
47 config BT_BREDR <<
48 bool "Bluetooth Classic (BR/EDR) featu <<
49 depends on BT <<
50 default y <<
51 help <<
52 Bluetooth Classic includes support f <<
53 available with Bluetooth version 1.0 <<
54 for Enhanced Data Rate (EDR) availab <<
55 version 2.0 or later. <<
56 <<
57 source "net/bluetooth/rfcomm/Kconfig" <<
58 <<
59 source "net/bluetooth/bnep/Kconfig" <<
60 <<
61 source "net/bluetooth/cmtp/Kconfig" <<
62 32
63 source "net/bluetooth/hidp/Kconfig" !! 33 If you want to compile Bluetooth Core as module (bluetooth) say M here.
64 34
65 config BT_LE !! 35 config BT_L2CAP
66 bool "Bluetooth Low Energy (LE) featur !! 36 tristate "L2CAP protocol support"
67 depends on BT 37 depends on BT
68 default y <<
69 help <<
70 Bluetooth Low Energy includes suppor <<
71 layer available with Bluetooth versi <<
72 <<
73 config BT_LE_L2CAP_ECRED <<
74 bool "Bluetooth L2CAP Enhanced Credit <<
75 depends on BT_LE <<
76 default y <<
77 help 38 help
78 Bluetooth Low Energy L2CAP Enhanced !! 39 L2CAP (Logical Link Control and Adaptation Protocol) provides
79 Bluetooth version 5.2 or later. !! 40 connection oriented and connection-less data transport. L2CAP
>> 41 support is required for most Bluetooth applications.
80 42
81 This can be overridden by passing bl !! 43 Say Y here to compile L2CAP support into the kernel or say M to
82 on the kernel commandline. !! 44 compile it as module (l2cap).
83 45
84 config BT_6LOWPAN !! 46 config BT_SCO
85 tristate "Bluetooth 6LoWPAN support" !! 47 tristate "SCO links support"
86 depends on BT_LE && 6LOWPAN <<
87 help <<
88 IPv6 compression over Bluetooth Low <<
89 <<
90 config BT_LEDS <<
91 bool "Enable LED triggers" <<
92 depends on BT 48 depends on BT
93 depends on LEDS_CLASS <<
94 select LEDS_TRIGGERS <<
95 help 49 help
96 This option selects a few LED trigge !! 50 SCO link provides voice transport over Bluetooth. SCO support is
97 Bluetooth events. !! 51 required for voice applications like Headset and Audio.
98 52
99 config BT_MSFTEXT !! 53 Say Y here to compile SCO support into the kernel or say M to
100 bool "Enable Microsoft extensions" !! 54 compile it as module (sco).
101 depends on BT <<
102 help <<
103 This options enables support for the <<
104 vendor extensions. <<
105 <<
106 config BT_AOSPEXT <<
107 bool "Enable Android Open Source Proje <<
108 depends on BT <<
109 help <<
110 This options enables support for the <<
111 Project defined HCI vendor extension <<
112 55
113 config BT_DEBUGFS !! 56 source "net/bluetooth/rfcomm/Kconfig"
114 bool "Export Bluetooth internals in de <<
115 depends on BT && DEBUG_FS <<
116 default y <<
117 help <<
118 Provide extensive information about <<
119 in debugfs. <<
120 57
121 config BT_SELFTEST !! 58 source "net/bluetooth/bnep/Kconfig"
122 bool "Bluetooth self testing support" <<
123 depends on BT && DEBUG_KERNEL <<
124 help <<
125 Run self tests when initializing the <<
126 is a developer option and can cause <<
127 the system. <<
128 <<
129 When the Bluetooth subsystem is buil <<
130 cases are run first thing at module <<
131 subsystem is compiled into the kerne <<
132 are run late in the initcall hierarc <<
133 <<
134 config BT_SELFTEST_ECDH <<
135 bool "ECDH test cases" <<
136 depends on BT_LE && BT_SELFTEST <<
137 help <<
138 Run test cases for ECDH cryptographi <<
139 Bluetooth Low Energy Secure Connecti <<
140 59
141 config BT_SELFTEST_SMP !! 60 source "drivers/bluetooth/Kconfig"
142 bool "SMP test cases" <<
143 depends on BT_LE && BT_SELFTEST <<
144 help <<
145 Run test cases for SMP cryptographic <<
146 legacy SMP as well as the Secure Con <<
147 61
148 config BT_FEATURE_DEBUG !! 62 endmenu
149 bool "Enable runtime option for debugg <<
150 depends on BT && !DYNAMIC_DEBUG <<
151 help <<
152 This provides an option to enable/di <<
153 at runtime via the experimental feat <<
154 63
155 source "drivers/bluetooth/Kconfig" <<
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.