usbip_vhci_get_free_port 55 tools/usb/usbip/libsrc/vhci_driver.h int usbip_vhci_get_free_port(uint32_t speed); usbip_vhci_get_free_port 94 tools/usb/usbip/src/usbip_attach.c port = usbip_vhci_get_free_port(speed);