Re: USB Attached SCSI dissector

[Aidan MacDonald via Wireshark-dev <wireshark-dev () wireshark org>]

On Monday, October 25th, 2021 at 3:57 PM, Kennedy, Smith (Wireless & IPP Standards) <smith.kennedy () hp com> wrote:
> The "Universal Serial Bus Common Class Specification"
> (https://usb.org/sites/default/files/usbccs10.pdf)
> discusses matching "drivers" to devices based on the device's or
> interface's class, subclass and protocol.
>
> I would suggest that, for USB, dissector matching for USB could adopt
> elements of this methodology to make it easier or more clear how to add
> support for new subclasses or protocols under a particular class.

I think this is a good idea. I just wanted to avoid doing a refactor
of all the other USB dissectors in order to add one. :)

Is there another protocol in Wireshark that deals with a similar case,
which I could pattern this off of? If not, the obvious approach would
be to have a routine which looks at the interface info (if we have it)
and call the right dissector directly. Or I could indirect it through
dissector_try_uint() by having an enum of all available dissectors.
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