CONFIG_BT_HCI_TX_STACK_SIZE

(No prompt – not directly user assignable.)

Type: int

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Stack size needed for executing bt_send with specified driver

Direct dependencies

BT_HCI && BT

(Includes any dependencies from if’s and menus.)

Defaults

Kconfig definition

At subsys/bluetooth/host/Kconfig:50

Included via Kconfig:10Kconfig.zephyr:39subsys/Kconfig:8subsys/bluetooth/Kconfig:144

Menu path: (top menu) → Bluetooth → Bluetooth support

config BT_HCI_TX_STACK_SIZE
    int
    default 512 if BT_H4 && BT_HCI && BT
    default 512 if BT_H5 && BT_HCI && BT
    default 416 if BT_SPI && BT_HCI && BT
    default 940 if BT_CTLR && (BT_LL_SW || BT_LL_SW_SPLIT) && NO_OPTIMIZATIONS && BT_HCI && BT
    default 1024 if BT_CTLR && (BT_LL_SW || BT_LL_SW_SPLIT) && BT_CENTRAL && BT_HCI && BT
    default 640 if BT_CTLR && (BT_LL_SW || BT_LL_SW_SPLIT) && BT_HCI && BT
    default 512 if BT_USERCHAN && BT_HCI && BT
    default 1024 if BT_HCI && BT
    depends on BT_HCI && BT
    help
      Stack size needed for executing bt_send with specified driver

(Definitions include propagated dependencies, including from if’s and menus.)