:orphan:

.. title:: CONFIG_USB_REQUEST_BUFFER_SIZE

.. kconfig:: CONFIG_USB_REQUEST_BUFFER_SIZE

CONFIG_USB_REQUEST_BUFFER_SIZE
##############################

*Set buffer size for Standard, Class and Vendor request handlers*

Type: ``int``

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

(\ :kconfig:`USB_DEVICE_HID <CONFIG_USB_DEVICE_HID>` && \ :kconfig:`USB_DEVICE_STACK <CONFIG_USB_DEVICE_STACK>` && \ :kconfig:`BOARD_INTEL_S1000_CRB <CONFIG_BOARD_INTEL_S1000_CRB>`) || (\ :kconfig:`USB_DFU_CLASS <CONFIG_USB_DFU_CLASS>` && \ :kconfig:`USB_DEVICE_STACK <CONFIG_USB_DEVICE_STACK>` && \ :kconfig:`BOARD_INTEL_S1000_CRB <CONFIG_BOARD_INTEL_S1000_CRB>`) || \ :kconfig:`USB_DEVICE_STACK <CONFIG_USB_DEVICE_STACK>`

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

Defaults
========

- 128
- 4096
- 256 if \ :kconfig:`USB_DEVICE_NETWORK_RNDIS <CONFIG_USB_DEVICE_NETWORK_RNDIS>`
- 266 if \ :kconfig:`USB_DEVICE_BLUETOOTH <CONFIG_USB_DEVICE_BLUETOOTH>` && \ :kconfig:`USB_DEVICE_BLUETOOTH_BIG_BUF <CONFIG_USB_DEVICE_BLUETOOTH_BIG_BUF>`
- 1024 if \ :kconfig:`USB_DEVICE_LOOPBACK <CONFIG_USB_DEVICE_LOOPBACK>`
- 128

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



At ``<Zephyr Boards>/xtensa/intel_s1000_crb/Kconfig.defconfig:60``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config USB_REQUEST_BUFFER_SIZE
    	int
    	default 128
    	depends on USB_DEVICE_HID && USB_DEVICE_STACK && BOARD_INTEL_S1000_CRB

----

At ``<Zephyr Boards>/xtensa/intel_s1000_crb/Kconfig.defconfig:64``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config USB_REQUEST_BUFFER_SIZE
    	int
    	default 4096
    	depends on USB_DFU_CLASS && USB_DEVICE_STACK && BOARD_INTEL_S1000_CRB

----

At ``<Zephyr Subsystem>/usb/Kconfig:75``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:49``

Menu path: (Top) → Sub Systems and OS Services → USB Device Support

.. code-block:: kconfig

    config USB_REQUEST_BUFFER_SIZE
    	int "Set buffer size for Standard, Class and Vendor request handlers"
    	range 64 512 if USB_DEVICE_NETWORK_RNDIS
    	range 8 65536
    	default 256 if USB_DEVICE_NETWORK_RNDIS
    	default 266 if USB_DEVICE_BLUETOOTH && USB_DEVICE_BLUETOOTH_BIG_BUF
    	default 1024 if USB_DEVICE_LOOPBACK
    	default 128
    	depends on USB_DEVICE_STACK

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