:orphan:

.. title:: CONFIG_BT_HCI_RAW_RESERVE

.. kconfig:: CONFIG_BT_HCI_RAW_RESERVE

CONFIG_BT_HCI_RAW_RESERVE
#########################

*Buffer headroom needed for HCI transport*

Type: ``int``

Help
====

.. code-block:: none

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

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

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

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

Defaults
========

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

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



At ``<Zephyr Subsystem>/bluetooth/Kconfig:68``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:9``

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

.. code-block:: kconfig

    config BT_HCI_RAW_RESERVE
    	int "Buffer headroom needed for HCI transport"
    	default 1 if BT_HCI_RAW_H4
    	default 0
    	depends on BT_HCI_RAW && BT_HCI && 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.)*