Wireshark-bugs: [Wireshark-bugs] [Bug 10751] New: FC is not dissected (protocol UNKNOWN)

Date: Wed, 03 Dec 2014 19:02:42 +0000
Bug ID 10751
Summary FC is not dissected (protocol UNKNOWN)
Product Wireshark
Version Git
Hardware x86
OS Windows 7
Status UNCONFIRMED
Severity Major
Priority Low
Component Dissection engine (libwireshark)
Assignee [email protected]
Reporter [email protected]

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
I've traced it up to packet-frame.c, where the following lines of code:
                         case REC_TYPE_PACKET:
498                                 if ((force_docsis_encap) &&
(docsis_handle)) {
499                                         call_dissector(docsis_handle, tvb,
pinfo, parent_tree);
500                                 } else {
501                                         if
(!dissector_try_uint(wtap_encap_dissector_table, pinfo->fd->lnk_t,
502                                                                 tvb, pinfo,
parent_tree)) { 
503                                                                 
504                                                 col_set_str(pinfo->cinfo,
COL_PROTOCOL, "UNKNOWN");
505      

Kick into action - and cannot find a dissector for the protocol.
I've verified pinfo->fd->lnk_t is 121, which is WTAP_ENCAP_FIBRE_CHANNEL_FC2 ,
which is registered in packet-fc.c:
dissector_add_uint("wtap_encap", WTAP_ENCAP_FIBRE_CHANNEL_FC2, fc_handle);

So I'm not sure what is not working here.
Attached is a capture.


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