CONFIG_BLUETOOTH_ATT_MTU

The MTU for the ATT channel. The minimum and default is 23, whereas the maximum is limited by CONFIG_BLUETOOTH_L2CAP_IN_MTU.

Symbol:

BLUETOOTH_ATT_MTU
Type:

int
Value:

“23”
User value:

(no user value)
Visibility:

“n”
Is choice item:

false
Is defined:

true
Is from env.:

false
Is special:

false
Ranges:
  • [23, BLUETOOTH_L2CAP_IN_MTU]
Prompts:
  • “Attribute Protocol (ATT) channel MTU”
Default values:
  • 50 (value: “n”)
  • Condition: BLUETOOTH_SMP (value: “n”)
  • 23 (value: “n”)
  • Condition: !BLUETOOTH_SMP (value: “y”)
Selects:

(no selects)
Reverse (select-related) dependencies:
 

(no reverse dependencies)
Additional dependencies from enclosing menus and ifs:
 

BLUETOOTH_LE && BLUETOOTH && BLUETOOTH_CONN (value: “n”)
Locations:
  • ../net/bluetooth/Kconfig:153