Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 6499] New: Implementing extensions to wireshark to support MPLS-TP(BFD CC/CV)

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6499

           Summary: Implementing extensions to wireshark to support
                    MPLS-TP(BFD CC/CV) payloads
           Product: Wireshark
           Version: 1.7.x (Experimental)
          Platform: x86-64
        OS/Version: Red Hat
            Status: NEW
          Severity: Enhancement
          Priority: Low
         Component: Wireshark
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: krishnamurthy.mayya@xxxxxxxxxxxxxx


Created an attachment (id=7308)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=7308)
The diff file listing the changes done to the file <packet-mpls.c> to enable
the decoding of MPLS-TP payloads

Build Information:
Build Information:
Copyright 1998-2011 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (32-bit) with GTK+ 2.10.4, with GLib 2.12.3, with libpcap 0.9.4, with
libz 1.2.3, without POSIX capabilities, without libpcre, without SMI, without
c-ares, without ADNS, without Lua, without Python, without GnuTLS, without
Gcrypt, without Kerberos, without GeoIP, without PortAudio, without AirPcap.
NOTE: this build doesn't support the "matches" operator for Wireshark filter
syntax.
--
TITLE : IMPLEMENTING EXTENSIONS TO WIRESHARK TO SUPPORT DECODING OF MPLS-TP    
 PAYLOADS

Source draft used : MPLS WORKING GROUP-IETF, Proactive Connectivity
Verification, Continuity Check and Remote Defect indication for MPLS Transport
Profile
draft-ietf-mpls-tp-cc-cv-rdi-06 



The attached diff file includes the source code modifications for the file
<packet-mpls.c> of wireshark to support the decoding of MPLS-TP(BFD CC, CV)
payloads.
 As per the information in the draft mentioned above, the generic associated
channel header is checked for appropriate channel type and a new module has
been defined which calls the BFD CC/CV modules depending in the channel type.
The identification of GAL label(a reserved label with value 13) has also been
done. The source code of wireshark-1.4.6 has been used as the base version.

The changes have also been done in <packet-bfd.c> and a header file
<packet-bfd.h> has been newly added listing the exported BFD routines.

Authors:
Krishnamurthy Mayya (Associate software engineer, IP Infusion India, Bangalore)
Nikitha Malgi (Associate software engineer, IP Infusion India, Bangalore)

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