:orphan:

.. title:: BT_HCI_RESERVE

.. option:: 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.

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

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

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

Defaults
========

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

Kconfig definition
==================

.. highlight:: kconfig

At ``subsys/bluetooth/host/Kconfig:113``

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

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

.. parsed-literal::

    config BT_HCI_RESERVE
    	int
    	default 0 if \ :option:`BT_H4 <CONFIG_BT_H4>`
    	default 1 if \ :option:`BT_H5 <CONFIG_BT_H5>`
    	default 1 if \ :option:`BT_RPMSG <CONFIG_BT_RPMSG>`
    	default 1 if \ :option:`BT_SPI <CONFIG_BT_SPI>`
    	default 1 if \ :option:`BT_STM32_IPM <CONFIG_BT_STM32_IPM>`
    	default 1 if \ :option:`BT_USERCHAN <CONFIG_BT_USERCHAN>`
    	default 0
    	depends on \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_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.)*