:orphan:

.. title:: USB_REQUEST_BUFFER_SIZE

.. option:: CONFIG_USB_REQUEST_BUFFER_SIZE

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

Type: ``int``

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

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

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

Defaults
========

- 128
- 4096
- 256 if \ :option:`USB_DEVICE_NETWORK_RNDIS <CONFIG_USB_DEVICE_NETWORK_RNDIS>`
- 266 if \ :option:`BT_RX_BUF_LEN <CONFIG_BT_RX_BUF_LEN>` > 127 && \ :option:`USB_DEVICE_BLUETOOTH <CONFIG_USB_DEVICE_BLUETOOTH>`
- 1024 if \ :option:`USB_DEVICE_LOOPBACK <CONFIG_USB_DEVICE_LOOPBACK>`
- 128

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

.. highlight:: kconfig

At ``boards/xtensa/intel_s1000_crb/Kconfig.defconfig:59``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:18``

Menu path: (Top)

.. parsed-literal::

    config USB_REQUEST_BUFFER_SIZE
    	int
    	default 128
    	depends on \ :option:`USB_DEVICE_HID <CONFIG_USB_DEVICE_HID>` && \ :option:`USB <CONFIG_USB>` && \ :option:`BOARD_INTEL_S1000_CRB <CONFIG_BOARD_INTEL_S1000_CRB>`

----

At ``boards/xtensa/intel_s1000_crb/Kconfig.defconfig:63``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:18``

Menu path: (Top)

.. parsed-literal::

    config USB_REQUEST_BUFFER_SIZE
    	int
    	default 4096
    	depends on \ :option:`USB_DFU_CLASS <CONFIG_USB_DFU_CLASS>` && \ :option:`USB <CONFIG_USB>` && \ :option:`BOARD_INTEL_S1000_CRB <CONFIG_BOARD_INTEL_S1000_CRB>`

----

At ``subsys/usb/Kconfig:67``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:45``

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

.. parsed-literal::

    config USB_REQUEST_BUFFER_SIZE
    	int "Set buffer size for Standard, Class and Vendor request handlers"
    	range 256 65536 if \ :option:`USB_DEVICE_NETWORK_RNDIS <CONFIG_USB_DEVICE_NETWORK_RNDIS>`
    	range 8 65536
    	default 256 if \ :option:`USB_DEVICE_NETWORK_RNDIS <CONFIG_USB_DEVICE_NETWORK_RNDIS>`
    	default 266 if \ :option:`BT_RX_BUF_LEN <CONFIG_BT_RX_BUF_LEN>` > 127 && \ :option:`USB_DEVICE_BLUETOOTH <CONFIG_USB_DEVICE_BLUETOOTH>`
    	default 1024 if \ :option:`USB_DEVICE_LOOPBACK <CONFIG_USB_DEVICE_LOOPBACK>`
    	default 128
    	depends on \ :option:`USB_DEVICE_STACK <CONFIG_USB_DEVICE_STACK>`

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