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Test Your Knowledge in Computers #204
Difficulty: Easy
The BGP routing protocol runs over User Datagram Protocol (UDP).
True or False?
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usb_ep_enable(9) [suse man page]

USB_EP_ENABLE(9)					      Kernel Mode Gadget API						  USB_EP_ENABLE(9)

NAME
usb_ep_enable - configure endpoint, making it usable SYNOPSIS
int usb_ep_enable(struct usb_ep * ep, const struct usb_endpoint_descriptor * desc); ARGUMENTS
ep the endpoint being configured. may not be the endpoint named "ep0". drivers discover endpoints through the ep_list of a usb_gadget. desc descriptor for desired behavior. caller guarantees this pointer remains valid until the endpoint is disabled; the data byte order is little-endian (usb-standard). DESCRIPTION
when configurations are set, or when interface settings change, the driver will enable or disable the relevant endpoints. while it is enabled, an endpoint may be used for i/o until the driver receives a disconnect from the host or until the endpoint is disabled. the ep0 implementation (which calls this routine) must ensure that the hardware capabilities of each endpoint match the descriptor provided for it. for example, an endpoint named "ep2in-bulk" would be usable for interrupt transfers as well as bulk, but it likely couldn't be used for iso transfers or for endpoint 14. some endpoints are fully configurable, with more generic names like "ep-a". (remember that for USB, "in" means "towards the USB master".) returns zero, or a negative error code. AUTHOR
David Brownell <dbrownell@users.sourceforge.net> Author. COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 USB_EP_ENABLE(9)

Check Out this Related Man Page

UBTBCMFW(4)						   BSD Kernel Interfaces Manual 					       UBTBCMFW(4)

NAME
ubtbcmfw -- Firmware driver for Broadcom BCM2033 chip based Bluetooth USB devices SYNOPSIS
To compile this driver into the kernel, place the following line in your kernel configuration file: device ubtbcmfw Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): ubtbcmfw_load="YES" DESCRIPTION
The ubtbcmfw is a firmware driver for Broadcom BCM2033 chip based Bluetooth USB devices. It provides minimal access to the parts of the device required to download firmware. The ubtbcmfw driver creates three fixed endpoint device nodes. The control transfers can only happen on the control endpoint which is always endpoint 0. Control requests are issued by ioctl(2) calls. Only incoming transfers are supported on an interrupt endpoint. To perform I/O on an interrupt endpoint, read(2) should be used. All I/O operations on an interrupt endpoint are unbuffered. Interrupt endpoint is always endpoint 1. Only outgoing bulk transfers are supported on a bulk endpoint. To perform I/O on a bulk endpoint, write(2) should be used. All I/O opera- tions on a bulk endpoint are unbuffered. Outgoing bulk endpoint is always endpoint 2. The control endpoint (endpoint 0) handles the following ioctl(2) calls: USB_GET_DEVICE_DESC (usb_device_descriptor_t) Return the device descriptor. FILES
/dev/ubtbcmfwN.EE Endpoint EE of device N. SEE ALSO
ng_ubt(4), ugen(4), usb(4), bcmfw(8) HISTORY
The ubtbcmfw driver was implemented in FreeBSD 5.0. AUTHORS
Maksim Yevmenkin <m_evmenkin@yahoo.com> BUGS
Most likely. Please report if found. BSD
November 22, 2006 BSD

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