If the same filter is applied to usb.src and usb.dst, you can simplify the expression using only usb.addr: You can access the separate characters with array indices. I didn't realize at first that usb.src and usb.dst seem to represent regular strings. Is there a simpler way to filter the device of interest if I know that the device is in a certain range? For example "1.50.*". This is quite cumbersome especially since the enumeration could be different when the system is rebooted. To find the current USB port, I have to exclude all noisy ports. I'm using Wireshark to capture USB traffic so I can analyze the descriptors of a HID device.Įach time this HID device is plugged in, the OS will assign a new USB port.
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