How to access lower level protocol data from a higher level dissector

[Dylan Ulis <dylan.ulis () gmail com>]

How can I get lower level protocol data in a higher level dissector? eg:
I'd like to get the source/destination MAC address in my application layer
dissector.

Thanks,
Dylan Ulis

___________________________________________________________________________
Sent via:    Wireshark-dev mailing list <wireshark-dev () wireshark org>
Archives:    https://www.wireshark.org/lists/wireshark-dev
Unsubscribe: https://www.wireshark.org/mailman/options/wireshark-dev
             mailto:wireshark-dev-request () wireshark org?subject=unsubscribe