>>>> I fear you can't register your dissector without changing packet-ipx.c.
>>>
>>> ...by adding a new dissector table and code to use it.
>> ... what requires that you distribute your self-built Wireshark with your
DLL.
>...at least until a standard version of Wireshark is released with your
changes (which requires that you give a patch to the Wireshark core
developers, e.g. in a bug on bugs.wireshark.org).
Thanks everyone :-).
Researching sources showed, that there's an spx.socket field available
(which, I guess, actually goes up from IPX) - which I could rely on.
With best regards
Sergey Glebov