Help¶

Number of buffers available for incoming ACL packets or HCI events from the controller.

Direct dependencies¶

BT_HCI && BT

(Includes any dependencies from ifs and menus.)

Defaults¶

NET_BUF_RX_COUNT if NET_L2_BT
3 if BT_RECV_IS_RX_THREAD
20 if BT_MESH && !(BT_DISCARDABLE_BUF_COUNT > 0)
10

Kconfig definition¶

At subsys/bluetooth/host/Kconfig:23

Included via Kconfig:8 → Kconfig.zephyr:34 → subsys/Kconfig:9 → subsys/bluetooth/Kconfig:239

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

config BT_RX_BUF_COUNT
    int "Number of HCI RX buffers"
    range 2 255
    default NET_BUF_RX_COUNT if NET_L2_BT
    default 3 if BT_RECV_IS_RX_THREAD
    default 20 if BT_MESH && !(BT_DISCARDABLE_BUF_COUNT > 0)
    default 10
    depends on BT_HCI && BT
    help
      Number of buffers available for incoming ACL packets or HCI events
      from the controller.

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