:orphan:

.. title:: BT_RX_BUF_COUNT

.. option:: CONFIG_BT_RX_BUF_COUNT

*Number of HCI RX buffers*

Type: ``int``

Help
====

Number of buffers available for incoming ACL packets or HCI events
from the controller.

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

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

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

Defaults
========

- \ :option:`NET_BUF_RX_COUNT <CONFIG_NET_BUF_RX_COUNT>` if \ :option:`NET_L2_BT <CONFIG_NET_L2_BT>`
- 3 if \ :option:`BT_RECV_IS_RX_THREAD <CONFIG_BT_RECV_IS_RX_THREAD>`
- 20 if \ :option:`BT_MESH <CONFIG_BT_MESH>` && !(\ :option:`BT_DISCARDABLE_BUF_COUNT <CONFIG_BT_DISCARDABLE_BUF_COUNT>` > 0)
- 10

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

.. highlight:: kconfig

At ``subsys/bluetooth/host/Kconfig:23``

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_RX_BUF_COUNT
    	int "Number of HCI RX buffers"
    	range 2 255
    	default \ :option:`NET_BUF_RX_COUNT <CONFIG_NET_BUF_RX_COUNT>` if \ :option:`NET_L2_BT <CONFIG_NET_L2_BT>`
    	default 3 if \ :option:`BT_RECV_IS_RX_THREAD <CONFIG_BT_RECV_IS_RX_THREAD>`
    	default 20 if \ :option:`BT_MESH <CONFIG_BT_MESH>` && !(\ :option:`BT_DISCARDABLE_BUF_COUNT <CONFIG_BT_DISCARDABLE_BUF_COUNT>` > 0)
    	default 10
    	depends on \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	help
    	  Number of buffers available for incoming ACL packets or HCI events
    	  from the controller.

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