epl: Rework POWERLINK (EPL) dissector

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With this patch we want to enable a better support of POWERLINK
 as a protocol for people who have to perform network diagnostics using
 analyzing tools. Up until now, the main tool used was Omnipeek.
 Now wireshark will be used more and more, due to the new extcap
 infrastructure, which supports debug tools to be added as capture
 devices.

 To better facilitate that change, we have adapted the textual
 representation of the Omnipeek dissector for POWERLINK, as it
 allows for a faster and simpler diagnosis routine.

 Additionally the name of the protocol has been changed to it's
 correct name "POWERLINK" as this is the official name used by
 EPSG for describing the protocol.

Changelog:
 - Add error code definitions and string values.
 - Change name for protocol column to POWERLINK which is more commonly
   used than EPL.
 - Reformat output in info column to look like output the output of
   the POWERLINK plugin for Omnipeek. This facilitates the transition
   to Wireshark. The added information and changed output improves the
   debugging of POWERLINK nerworks.

Change-Id: I795e2487f2ae7af6b90c29366a1843c9fabffa85
Reviewed-on: https://code.wireshark.org/review/5581
Reviewed-by: Roland Knall <rknall@gmail.com>
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Reviewed-by: Anders Broman <a.broman58@gmail.com>

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This commit is contained in:

Josef Baumgartner 2014-10-21 13:12:18 +02:00 committed by Anders Broman

parent f53be88408

commit f90a10a0d5

1 changed files with 402 additions and 192 deletions

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epan/dissectors/packet-epl.c

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