Wireshark-bugs: [Wireshark-bugs] [Bug 6699] New: Improvements in handling GSM L3_INFO elements a
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 29 Dec 2011 08:05:13 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6699

           Summary: Improvements in handling GSM L3_INFO elements and RR
                    short PD elements
           Product: Wireshark
           Version: SVN
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Minor
          Priority: Low
         Component: Wireshark
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: wireshark@xxxxxxxxxxxxxxx


Created an attachment (id=7622)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=7622)
patch 

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
The original problem was that GSM ENHANCED MEASUREMENT REPORT PDUs were not
dissected when present as L3_INFO in RSL MEAS_RES PDUs.

It seems that the RSL L3_INFO needs to be handled by a different dissector
depending on whether it contains a DTAP, SACCH or CCCH PDU, which fortunately
can be deduced from the RSL PDU type.  packet-rsl.c is updated to implement
this.

In packet-gsm_a_rr.c the dissection of PDUs with RR Short PD format is
improved, and also some items are renamed to make clearer the difference
between SACCH PDUs (which cna be normal or Short PD format) and RR Short PD
format PDUs (which can occur on SACCH, CCCH, or DCH).

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