USB_ANCHOR_URB(9) USB Core APIs USB_ANCHOR_URB(9)NAME
usb_anchor_urb - anchors an URB while it is processed
void usb_anchor_urb(struct urb * urb, struct usb_anchor * anchor);
pointer to the urb to anchor
pointer to the anchor
This can be called to have access to URBs which are to be executed without bothering to track them
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 USB_ANCHOR_URB(9)
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USB_FILL_INT_URB(9) Host-Side Data Types and Macro USB_FILL_INT_URB(9)NAME
usb_fill_int_urb - macro to help initialize a interrupt urb
void usb_fill_int_urb(struct urb * urb, struct usb_device * dev, unsigned int pipe, void * transfer_buffer, int buffer_length,
usb_complete_t complete_fn, void * context, int interval);
pointer to the urb to initialize.
pointer to the struct usb_device for this urb.
the endpoint pipe
pointer to the transfer buffer
length of the transfer buffer
pointer to the usb_complete_t function
what to set the urb context to.
what to set the urb interval to, encoded like the endpoint descriptor's bInterval value.
Initializes a interrupt urb with the proper information needed to submit it to a device.
Note that High Speed and SuperSpeed interrupt endpoints use a logarithmic encoding of the endpoint interval, and express polling intervals
in microframes (eight per millisecond) rather than in frames (one per millisecond).
Wireless USB also uses the logarithmic encoding, but specifies it in units of 128us instead of 125us. For Wireless USB devices, the
interval is passed through to the host controller, rather than being translated into microframe units.
COPYRIGHT Kernel Hackers Manual 2.6. July 2010 USB_FILL_INT_URB(9)