:orphan:

.. title:: CONFIG_BT_HCI_RESERVE

.. kconfig:: CONFIG_BT_HCI_RESERVE

CONFIG_BT_HCI_RESERVE
#####################

*(No prompt -- not directly user assignable.)*

Type: ``int``

Help
====

.. code-block:: none

    Headroom that the driver needs for sending and receiving buffers. Add a
    new 'default' entry for each new driver.

Direct dependencies
===================

\ :kconfig:`BT_HCI <CONFIG_BT_HCI>` && \ :kconfig:`BT <CONFIG_BT>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

- 0 if \ :kconfig:`BT_H4 <CONFIG_BT_H4>`
- 1 if \ :kconfig:`BT_H5 <CONFIG_BT_H5>`
- 1 if \ :kconfig:`BT_RPMSG <CONFIG_BT_RPMSG>`
- 1 if \ :kconfig:`BT_SPI <CONFIG_BT_SPI>`
- 1 if \ :kconfig:`BT_STM32_IPM <CONFIG_BT_STM32_IPM>`
- 1 if \ :kconfig:`BT_USERCHAN <CONFIG_BT_USERCHAN>`
- 1 if \ :kconfig:`BT_ESP32 <CONFIG_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

.. code-block:: kconfig

    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.)*