:orphan:

.. title:: BT_HCI_RAW_RESERVE

.. option:: CONFIG_BT_HCI_RAW_RESERVE

*Buffer headroom needed for HCI transport*

Type: ``int``

Help
====

This option is used by the HCI raw transport implementation to
declare how much headroom it needs for any HCI transport headers.

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

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

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

Defaults
========

- 1 if \ :option:`BT_HCI_RAW_H4 <CONFIG_BT_HCI_RAW_H4>`
- 0

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

.. highlight:: kconfig

At ``subsys/bluetooth/Kconfig:67``

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

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

.. parsed-literal::

    config BT_HCI_RAW_RESERVE
    	int "Buffer headroom needed for HCI transport"
    	default 1 if \ :option:`BT_HCI_RAW_H4 <CONFIG_BT_HCI_RAW_H4>`
    	default 0
    	depends on \ :option:`BT_HCI_RAW <CONFIG_BT_HCI_RAW>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	help
    	  This option is used by the HCI raw transport implementation to
    	  declare how much headroom it needs for any HCI transport headers.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*