On Tue, 26 Nov 2013, vichy wrote: > BTW, is it possible to filter out bulk, interrupt or isochronous data > that echi driver pass to urb? If you use usbmon, you can filter the text output file very easily. I don't know of any way to filter a binary output file from tcpdump. > I am writing user mode usb driver with libusb and want to check the > data correctness by comparing > 1. the data return from urb->complete > 2. data ehci get from device and pass to urb > > Appreciate your help, Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html