:orphan:

.. title:: BT_HCI_ACL_FLOW_CONTROL

.. option:: CONFIG_BT_HCI_ACL_FLOW_CONTROL

*Controller to Host ACL flow control support*

Type: ``bool``

Help
====

Enable support for throttling ACL buffers from the controller
to the host. This is particularly useful when the host and
controller are on separate cores since it ensures that we do
not run out of incoming ACL buffers.

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

(\ :option:`BT <CONFIG_BT>` && \ :option:`BOARD_DISCO_L475_IOT1 <CONFIG_BOARD_DISCO_L475_IOT1>`) || (\ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`)

*(Includes any dependencies from if's and menus.)*

Defaults
========

- "n" if \ :option:`BT <CONFIG_BT>` && \ :option:`BOARD_DISCO_L475_IOT1 <CONFIG_BOARD_DISCO_L475_IOT1>`
- "y" if !\ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
- "y" if \ :option:`BT_HCI_RAW <CONFIG_BT_HCI_RAW>` && \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`

Symbols selected by this symbol
===============================

- \ :option:`POLL <CONFIG_POLL>` if \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`

Kconfig definitions
===================

.. highlight:: kconfig

At ``boards/arm/disco_l475_iot1/Kconfig.defconfig:149``

Included via ``Kconfig:10`` → ``Kconfig.zephyr:21``

Menu path: (top menu)

.. parsed-literal::

    config BT_HCI_ACL_FLOW_CONTROL
    	bool
    	default "n" if \ :option:`BT <CONFIG_BT>` && \ :option:`BOARD_DISCO_L475_IOT1 <CONFIG_BOARD_DISCO_L475_IOT1>`
    	depends on \ :option:`BT <CONFIG_BT>` && \ :option:`BOARD_DISCO_L475_IOT1 <CONFIG_BOARD_DISCO_L475_IOT1>`

----

At ``subsys/bluetooth/Kconfig:120``

Included via ``Kconfig:10`` → ``Kconfig.zephyr:39`` → ``subsys/Kconfig:8``

Menu path: (top menu) → Bluetooth → Bluetooth support

.. parsed-literal::

    config BT_HCI_ACL_FLOW_CONTROL
    	bool
    	prompt "Controller to Host ACL flow control support" if \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	default "y" if !\ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	default "y" if \ :option:`BT_HCI_RAW <CONFIG_BT_HCI_RAW>` && \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	select \ :option:`POLL <CONFIG_POLL>` if \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	depends on \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	help
    	  Enable support for throttling ACL buffers from the controller
    	  to the host. This is particularly useful when the host and
    	  controller are on separate cores since it ensures that we do
    	  not run out of incoming ACL buffers.

*(Definitions include propagated dependencies, including from if's and menus.)*