![]() ![]() ![]() There are fields "usb.endpoint_number", "usb.device_address", and "usb.bus_id".įor packets with an event type ("usb.urb_type") of "URB_SUBMIT ('S')", there is no source address, and the destination address is made from the device address and endpoint number for all other packets, there is no destination address, and the source address is made from the device address and endpoint number. Unfortunately, there are no fields corresponding directly to source and destination. > particular interested in filtering by source and destination. > For example, "Source" for network traffic would be ip.src but for usb, "time" is the time stamp, which is "frame.time" or, if you want the time as "seconds since January 1, 1970, 00:00:00 UTC", "frame.epoch_time", at least in newer versions of Wireshark. > I have no idea what the corresponding filters are for a USB packet! Yes, it is the frame number - for *all* protocols. > Now, in Wireshark GUI there are columns: "No.", "Time", "Source", Yes, just as, for example, if you want to filter by IPv4 address, you'd use ip.src, ip.dst, or ip.addr, whereas if you want to filter by TCP port number, you'd use tcp.srcport, tcp.dstport, or tcp.port, which are in a different "class" from the ip.* field names. > use frame.number, which is in a different "class": However, if I want to filter by frame number, I have to > Where I am confused is how to make input filters I have seen: ![]() ![]() > some problems with libpcap, I think I am getting USB data correctly now. > I want to use wireshark (or tshark) to inspect USB traffic and after On Apr 7, 2010, at 3:18 PM, Smilen Dimitrov wrote: ![]()
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