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 <<
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 9 help
20 Bluetooth is low-cost, low-power, sh 10 Bluetooth is low-cost, low-power, short-range wireless technology.
21 It was designed as a replacement for 11 It was designed as a replacement for cables and other short-range
22 technologies like IrDA. Bluetooth o 12 technologies like IrDA. Bluetooth operates in personal area range
23 that typically extends up to 10 mete 13 that typically extends up to 10 meters. More information about
24 Bluetooth can be found at <https://w !! 14 Bluetooth can be found at <http://www.bluetooth.com/>.
25 15
26 Linux Bluetooth subsystem consist of 16 Linux Bluetooth subsystem consist of several layers:
27 Bluetooth Core !! 17 Bluetooth Core (HCI device and connection manager, scheduler)
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 18 HCI Device drivers (Interface to the hardware)
>> 19 SCO Module (SCO audio links)
>> 20 L2CAP Module (Logical Link Control and Adaptation Protocol)
34 RFCOMM Module (RFCOMM Protocol) 21 RFCOMM Module (RFCOMM Protocol)
35 BNEP Module (Bluetooth Network En 22 BNEP Module (Bluetooth Network Encapsulation Protocol)
36 CMTP Module (CAPI Message Transpo 23 CMTP Module (CAPI Message Transport Protocol)
37 HIDP Module (Human Interface Devi 24 HIDP Module (Human Interface Device Protocol)
38 25
39 Say Y here to compile Bluetooth supp 26 Say Y here to compile Bluetooth support into the kernel or say M to
40 compile it as module (bluetooth). 27 compile it as module (bluetooth).
41 28
42 To use Linux Bluetooth subsystem, yo 29 To use Linux Bluetooth subsystem, you will need several user-space
43 utilities like hciconfig and bluetoo !! 30 utilities like hciconfig and hcid. These utilities and updates to
44 to Bluetooth kernel modules are prov !! 31 Bluetooth kernel modules are provided in the BlueZ packages.
45 more information, see <http://www.bl !! 32 For more information, see <http://www.bluez.org/>.
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 33
61 source "net/bluetooth/cmtp/Kconfig" !! 34 config BT_L2CAP
62 !! 35 tristate "L2CAP protocol support"
63 source "net/bluetooth/hidp/Kconfig" <<
64 <<
65 config BT_LE <<
66 bool "Bluetooth Low Energy (LE) featur <<
67 depends on BT 36 depends on BT
68 default y !! 37 select CRC16
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 38 help
88 IPv6 compression over Bluetooth Low !! 39 L2CAP (Logical Link Control and Adaptation Protocol) provides
>> 40 connection oriented and connection-less data transport. L2CAP
>> 41 support is required for most Bluetooth applications.
89 42
90 config BT_LEDS !! 43 Say Y here to compile L2CAP support into the kernel or say M to
91 bool "Enable LED triggers" !! 44 compile it as module (l2cap).
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 45
99 config BT_MSFTEXT !! 46 config BT_SCO
100 bool "Enable Microsoft extensions" !! 47 tristate "SCO links support"
101 depends on BT 48 depends on BT
102 help 49 help
103 This options enables support for the !! 50 SCO link provides voice transport over Bluetooth. SCO support is
104 vendor extensions. !! 51 required for voice applications like Headset and Audio.
105 52
106 config BT_AOSPEXT !! 53 Say Y here to compile SCO support into the kernel or say M to
107 bool "Enable Android Open Source Proje !! 54 compile it as module (sco).
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 "net/bluetooth/cmtp/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 source "net/bluetooth/hidp/Kconfig"
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" 64 source "drivers/bluetooth/Kconfig"
>> 65
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