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/* USB defines for older kernels */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)
/**
* usb_endpoint_dir_out - check if the endpoint has OUT direction
* @epd: endpoint to be checked
*
* Returns true if the endpoint is of type OUT, otherwise it returns false.
*/
static inline int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
{
return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
}
static inline int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
{
return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
}
/**
* usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type
* @epd: endpoint to be checked
*
* Returns true if the endpoint is of type interrupt, otherwise it returns
* false.
*/
static inline int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
{
return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_INT);
}
/**
* usb_endpoint_is_int_in - check if the endpoint is interrupt IN
* @epd: endpoint to be checked
*
* Returns true if the endpoint has interrupt transfer type and IN direction,
* otherwise it returns false.
*/
static inline int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
{
return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd));
}
/**
* usb_endpoint_is_int_out - check if the endpoint is interrupt OUT
* @epd: endpoint to be checked
*
* Returns true if the endpoint has interrupt transfer type and OUT direction,
* otherwise it returns false.
*/
static inline int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
{
return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd));
}
#endif /* older kernel versions */
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