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Commit 975508879 "Bluetooth: make bluetooth 6lowpan as an option"
ensures that 6LOWPAN_IPHC is turned on when we have BT_6LOWPAN
enabled in Kconfig, but it allows building the IPHC code as
a loadable module even if the entire Bluetooth stack is built-in,
and that causes a link error.
We can solve that by moving the 'select' statement into CONFIG_BT,
which is a "tristate" option to enforce that 6LOWPAN_IPHC can
only be a module if BT also is a module.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
#
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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 NET && !S390
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depends on RFKILL || !RFKILL
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select 6LOWPAN_IPHC if BT_6LOWPAN
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select CRC16
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select CRYPTO
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select CRYPTO_BLKCIPHER
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select CRYPTO_AES
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select CRYPTO_ECB
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select CRYPTO_SHA256
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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 <http://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_6LOWPAN
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bool "Bluetooth 6LoWPAN support"
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depends on BT && IPV6
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help
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IPv6 compression over Bluetooth.
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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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source "drivers/bluetooth/Kconfig"
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