/*
* DLT type for upper-protocol layer PDU saves from wireshark.
*
* the actual contents are determined by two TAGs stored with each
* packet:
* EXP_PDU_TAG_LINKTYPE the link type (LINKTYPE_ value) of the
* original packet.
*
* EXP_PDU_TAG_PROTO_NAME the name of the wireshark dissector
* that can make sense of the data stored.
*/