1 # SPDX-License-Identifier: GPL-2.0-only
2 #
3 # Bluetooth subsystem configuration
4 #
5
6 menuconfig BT
7 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
20 Bluetooth is low-cost, low-power, sh
21 It was designed as a replacement for
22 technologies like IrDA. Bluetooth o
23 that typically extends up to 10 mete
24 Bluetooth can be found at <https://w
25
26 Linux Bluetooth subsystem consist of
27 Bluetooth Core
28 HCI device and connection mana
29 SCO audio links
30 L2CAP (Logical Link Control an
31 SMP (Security Manager Protocol
32 ISO isochronous links
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
39 Say Y here to compile Bluetooth supp
40 compile it as module (bluetooth).
41
42 To use Linux Bluetooth subsystem, yo
43 utilities like hciconfig and bluetoo
44 to Bluetooth kernel modules are prov
45 more information, see <http://www.bl
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
63 source "net/bluetooth/hidp/Kconfig"
64
65 config BT_LE
66 bool "Bluetooth Low Energy (LE) featur
67 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
78 Bluetooth Low Energy L2CAP Enhanced
79 Bluetooth version 5.2 or later.
80
81 This can be overridden by passing bl
82 on the kernel commandline.
83
84 config BT_6LOWPAN
85 tristate "Bluetooth 6LoWPAN 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
93 depends on LEDS_CLASS
94 select LEDS_TRIGGERS
95 help
96 This option selects a few LED trigge
97 Bluetooth events.
98
99 config BT_MSFTEXT
100 bool "Enable Microsoft extensions"
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
113 config BT_DEBUGFS
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
121 config BT_SELFTEST
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
141 config BT_SELFTEST_SMP
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
148 config BT_FEATURE_DEBUG
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
155 source "drivers/bluetooth/Kconfig"
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