CONFIG_BT_HCI_RESERVE¶
(No prompt – not directly user assignable.)
Type: int
Help¶
Headroom that the driver needs for sending and receiving buffers. Add a
new 'default' entry for each new driver.
Defaults¶
- 0 if - BT_H4
- 1 if - BT_H5
- 1 if - BT_RPMSG
- 1 if - BT_SPI
- 1 if - BT_STM32_IPM
- 1 if - BT_USERCHAN
- 1 if - BT_ESP32
- 0 
Kconfig definition¶
At <Zephyr Subsystem>/bluetooth/host/Kconfig:57
Included via Kconfig:8 → Kconfig.zephyr:44 → <Zephyr Subsystem>/Kconfig:9 → <Zephyr Subsystem>/bluetooth/Kconfig:174
Menu path: (Top) → Sub Systems and OS Services → Bluetooth
config BT_HCI_RESERVE
    int
    default 0 if BT_H4
    default 1 if BT_H5
    default 1 if BT_RPMSG
    default 1 if BT_SPI
    default 1 if BT_STM32_IPM
    default 1 if BT_USERCHAN
    default 1 if BT_ESP32
    default 0
    depends on BT_HCI && BT
    help
      Headroom that the driver needs for sending and receiving buffers. Add a
      new 'default' entry for each new driver.
(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)