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 menuconfig BT
7 tristate "Bluetooth subsystem support" 6 tristate "Bluetooth subsystem support"
8 depends on !S390 !! 7 depends on NET && !S390
9 depends on RFKILL || !RFKILL 8 depends on RFKILL || !RFKILL
10 select CRC16 9 select CRC16
11 select CRYPTO 10 select CRYPTO
12 select CRYPTO_SKCIPHER !! 11 select CRYPTO_BLKCIPHER
13 select CRYPTO_LIB_AES !! 12 select CRYPTO_AES
14 imply CRYPTO_AES <<
15 select CRYPTO_CMAC <<
16 select CRYPTO_ECB 13 select CRYPTO_ECB
17 select CRYPTO_SHA256 14 select CRYPTO_SHA256
18 select CRYPTO_ECDH <<
19 help 15 help
20 Bluetooth is low-cost, low-power, sh 16 Bluetooth is low-cost, low-power, short-range wireless technology.
21 It was designed as a replacement for 17 It was designed as a replacement for cables and other short-range
22 technologies like IrDA. Bluetooth o 18 technologies like IrDA. Bluetooth operates in personal area range
23 that typically extends up to 10 mete 19 that typically extends up to 10 meters. More information about
24 Bluetooth can be found at <https://w !! 20 Bluetooth can be found at <http://www.bluetooth.com/>.
25 21
26 Linux Bluetooth subsystem consist of 22 Linux Bluetooth subsystem consist of several layers:
27 Bluetooth Core 23 Bluetooth Core
28 HCI device and connection mana 24 HCI device and connection manager, scheduler
29 SCO audio links 25 SCO audio links
30 L2CAP (Logical Link Control an 26 L2CAP (Logical Link Control and Adaptation Protocol)
31 SMP (Security Manager Protocol 27 SMP (Security Manager Protocol) on LE (Low Energy) links
32 ISO isochronous links <<
33 HCI Device drivers (Interface to 28 HCI Device drivers (Interface to the hardware)
34 RFCOMM Module (RFCOMM Protocol) 29 RFCOMM Module (RFCOMM Protocol)
35 BNEP Module (Bluetooth Network En 30 BNEP Module (Bluetooth Network Encapsulation Protocol)
36 CMTP Module (CAPI Message Transpo 31 CMTP Module (CAPI Message Transport Protocol)
37 HIDP Module (Human Interface Devi 32 HIDP Module (Human Interface Device Protocol)
38 33
39 Say Y here to compile Bluetooth supp 34 Say Y here to compile Bluetooth support into the kernel or say M to
40 compile it as module (bluetooth). 35 compile it as module (bluetooth).
41 36
42 To use Linux Bluetooth subsystem, yo 37 To use Linux Bluetooth subsystem, you will need several user-space
43 utilities like hciconfig and bluetoo 38 utilities like hciconfig and bluetoothd. These utilities and updates
44 to Bluetooth kernel modules are prov 39 to Bluetooth kernel modules are provided in the BlueZ packages. For
45 more information, see <http://www.bl 40 more information, see <http://www.bluez.org/>.
46 41
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" 42 source "net/bluetooth/rfcomm/Kconfig"
58 43
59 source "net/bluetooth/bnep/Kconfig" 44 source "net/bluetooth/bnep/Kconfig"
60 45
61 source "net/bluetooth/cmtp/Kconfig" 46 source "net/bluetooth/cmtp/Kconfig"
62 47
63 source "net/bluetooth/hidp/Kconfig" 48 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 49
155 source "drivers/bluetooth/Kconfig" 50 source "drivers/bluetooth/Kconfig"
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