458   U32 pipe;  member
491            U32 pipe,  in usb_fill_control_urb()
514               U32 pipe,  in usb_fill_bulk_urb()
535              U32 pipe,  in usb_fill_int_urb()
622 #define usb_maxpacket(dev, pipe, out)  (out \  argument
644 #define usb_pipein(pipe)  ((pipe) & USB_DIR_IN)  argument
645 #define usb_pipeout(pipe)  (!usb_pipein(pipe))  argument
646 #define usb_pipedevice(pipe)  (((pipe) >> 8) & 0x7f)  argument
647 #define usb_pipeendpoint(pipe)  (((pipe) >> 15) & 0xf)  argument
648 #define usb_pipetype(pipe)  (((pipe) >> 30) & 3)  argument
649 #define usb_pipeisoc(pipe)  (usb_pipetype((pipe)) == PIPE_ISOCHRONOUS)  argument
650 #define usb_pipeint(pipe)  (usb_pipetype((pipe)) == PIPE_INTERRUPT)  argument
651 #define usb_pipecontrol(pipe)  (usb_pipetype((pipe)) == PIPE_CONTROL)  argument
652 #define usb_pipebulk(pipe)  (usb_pipetype((pipe)) == PIPE_BULK)  argument