CONFIG_BT_CTLR_RX_BUFFERS

Number of Rx buffers

Type: int

Help

Set the number of Rx PDUs to be buffered in the controller. In a 7.5ms connection interval and 2M PHY, maximum 18 packets with L2CAP payload size of 1 byte can be received.

Direct dependencies

BT_CTLR && BT_HCI && BT

(Includes any dependencies from ifs and menus.)

Defaults

Kconfig definition

At subsys/bluetooth/controller/Kconfig:212

Included via Kconfig:8Kconfig.zephyr:44subsys/Kconfig:6subsys/bluetooth/Kconfig:161

Menu path: (Top) → Bluetooth → Bluetooth Controller

config BT_CTLR_RX_BUFFERS
    int "Number of Rx buffers"
    range 1 18
    default 6 if BT_HCI_RAW
    default 1
    depends on BT_CTLR && BT_HCI && BT
    help
      Set the number of Rx PDUs to be buffered in the controller. In a 7.5ms
      connection interval and 2M PHY, maximum 18 packets with L2CAP payload
      size of 1 byte can be received.

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