CONFIG_BT_CTLR_LOW_LAT_ULL

Low latency ULL

Type: bool

Help

Low latency ULL implementation that uses tailchaining instead of while
loop to demux rx messages from LLL.

Direct dependencies

BT_CTLR_LOW_LAT && BT_LL_SW_SPLIT && BT_CTLR && BT_HCI && BT

(Includes any dependencies from ifs and menus.)

Default

• y

Kconfig definition

At <Zephyr>/subsys/bluetooth/controller/Kconfig.ll_sw_split:350

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:42 → <Zephyr>/subsys/Kconfig:9 → <Zephyr>/subsys/bluetooth/Kconfig:314 → <Zephyr>/subsys/bluetooth/controller/Kconfig:644

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Bluetooth Controller → Advanced features → Low latency non-negotiating event preemption

config BT_CTLR_LOW_LAT_ULL
    bool "Low latency ULL" if BT_CTLR_ADVANCED_FEATURES
    default y
    depends on BT_CTLR_LOW_LAT && BT_LL_SW_SPLIT && BT_CTLR && BT_HCI && BT
    help
      Low latency ULL implementation that uses tailchaining instead of while
      loop to demux rx messages from LLL.

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