CONFIG_BT_L2CAP_TX_MTU

Maximum supported L2CAP MTU for L2CAP TX buffers

Type: int

Help

Maximum L2CAP MTU for L2CAP TX buffers.

Help

Maximum L2CAP MTU for L2CAP TX buffers.

Direct dependencies

(BT_CONN && BT_HCI_HOST && BT_RPC_STACK) || (BT_CONN && BT_HCI_HOST && BT_HCI && BT)

(Includes any dependencies from ifs and menus.)

Defaults

253 if BT_BREDR
69 if BT_MESH_GATT
65 if BT_SMP
23
253 if BT_BREDR
69 if BT_MESH_GATT
65 if BT_SMP
23

Kconfig definitions

At <Zephyr>/subsys/bluetooth/host/Kconfig.l2cap:30

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:33 → <Zephyr>/modules/Kconfig:6 → <nRF>/doc/_build/kconfig/Kconfig.modules:2 → <nRF>/Kconfig.nrf:92 → <nRF>/subsys/Kconfig:10 → <nRF>/subsys/bluetooth/Kconfig:38 → <nRF>/subsys/bluetooth/rpc/Kconfig:196 → <Zephyr>/subsys/bluetooth/host/Kconfig:442

Menu path: (Top) → Modules → nrf (/home/runner/work/sdk-nrf/sdk-nrf/ncs/nrf) → Nordic nRF Connect → Bluetooth Low Energy → BLE over nRF RPC → L2CAP Options

config BT_L2CAP_TX_MTU
    int "Maximum supported L2CAP MTU for L2CAP TX buffers"
    range 65 2000 if BT_SMP
    range 23 2000
    default 253 if BT_BREDR
    default 69 if BT_MESH_GATT
    default 65 if BT_SMP
    default 23
    depends on BT_CONN && BT_HCI_HOST && BT_RPC_STACK
    help
      Maximum L2CAP MTU for L2CAP TX buffers.

At <Zephyr>/subsys/bluetooth/host/Kconfig.l2cap:30

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:44 → <Zephyr>/subsys/Kconfig:9 → <Zephyr>/subsys/bluetooth/Kconfig:180 → <Zephyr>/subsys/bluetooth/host/Kconfig:442

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → L2CAP Options

config BT_L2CAP_TX_MTU
    int "Maximum supported L2CAP MTU for L2CAP TX buffers"
    range 65 2000 if BT_SMP
    range 23 2000
    default 253 if BT_BREDR
    default 69 if BT_MESH_GATT
    default 65 if BT_SMP
    default 23
    depends on BT_CONN && BT_HCI_HOST && BT_HCI && BT
    help
      Maximum L2CAP MTU for L2CAP TX buffers.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)