Did you had a look usbmon ? http://www.kernel.org/doc/Documentation/usb/usbmon.txt Is that you are trying to make ? On Thu, May 14, 2009 at 10:13 PM, Steve Hardy <steve@xxxxxxxxxxxxxxxxxxxxx> wrote: > Hi all, > > I am considering writing a gadget device driver which would act as > both a USB host and device, for use as a USB sniffer. > > My intention is to use a simple, low cost ARM development board like > the Olimex SAM9-L9260, which has both usb host and device > capabilities. > > I have seen this idea proposed as a Beagleboard SoC project > (http://elinux.org/BeagleBoard/Ideas-2009#USB_sniffer), but otherwise > have not found any evidence that someone else is actively working on > such a capability. > > I have driver and some USB experience, so am happy to just get hacking > and see how it goes, but I am keen to avoid duplicating effort if > something similar has been attempted already. > > Can anyone provide any thoughts, links or ideas related to this before I start? > > I'm guessing I will need to start with skeleton USB host and gadget > drivers, and the host driver will have to talk to the gadget driver > such that the gadget mimics the vendor/product IDs and EP topology of > the device under test. Then URBs in each direction will require > forwarding in an efficient manner such that the USB data is fairly > transparently "passed through" the driver/drivers. > > For the actual sniffing, I just expect to use the usbmon module. > > Any thoughts appreciated! > > Thanks, > > Steve Hardy > -- > 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 > -- 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
