How can you specify the next dissector

Hi!

I created a dissector that dissects EtherNet/IP data payload. I also want to create a dissector that will be used as a "link layer" dissector that will read packets created by a vendor specific protocol.

In some cases, I want wireshark to dissect from self created pcap files. In those, I have a different protocol that has the same payload type that otherwise goes through EtherNet/IP. So I would like to reuse the same dissector that I use for dissecting the EtherNet/IP packets.

So, I can create a dissector that understands the protocol on my own files, but how can I then make it so that my first dissector then dissects the payload?