General setup --->
# If it is disabled, [TIMERFD] and [EVENTFD] will be hidden and
# enabled implicitly. We DO NOT recommend to enable [EXPERT]
# unless you are really an expert user:
[ /*] Configure standard kernel features (expert users) ---> [EXPERT]
[*] Enable timerfd() system call [TIMERFD]
[*] Enable eventfd() system call [EVENTFD]
[*] Networking support ---> [NET]
<*/M> Bluetooth subsystem support ---> [BT]
[*] Bluetooth Classic (BR/EDR) features [BT_BREDR]
<*/M> RFCOMM protocol support [BT_RFCOMM]
[*] RFCOMM TTY support [BT_RFCOMM_TTY]
<*/M> BNEP protocol support [BT_BNEP]
[*] Multicast filter support [BT_BNEP_MC_FILTER]
[*] Protocol filter support [BT_BNEP_PROTO_FILTER]
<*/M> HIDP protocol support [BT_HIDP]
Bluetooth device drivers --->
# Select the appropriate drivers for your bluetooth hardware.
# There are more vendor-specific drivers not listed here:
< /*/M> HCI USB driver [BT_HCIBTUSB]
< /*/M> HCI SDIO driver [BT_HCIBTSDIO]
< /*/M> HCI UART driver [BT_HCIUART]
<*/M> RF switch subsystem support ---> [RFKILL]
-*- Cryptographic API ---> [CRYPTO]
Crypto core or helper --->
<*/M> Userspace cryptographic algorithm configuration [CRYPTO_USER]
Block ciphers --->
<*/M> AES (Advanced Encryption Standard) [CRYPTO_AES]
AEAD (authenticated encryption with associated data) ciphers --->
<*/M> CCM (Counter with Cipher Block Chaining-MAC) [CRYPTO_CCM]
Hashes, digests, and MACs --->
<*/M> CMAC (Cipher-based MAC) [CRYPTO_CMAC]
Userspace interface --->
<*/M> Hash algorithms [CRYPTO_USER_API_HASH]
<*/M> Symmetric key cipher algorithms [CRYPTO_USER_API_SKCIPHER]
<*/M> AEAD cipher algorithms [CRYPTO_USER_API_AEAD]