Committed revision 20580.

On 1/27/07, Kriang Lerdsuwanakij <[EMAIL PROTECTED]> wrote:
> Hello
>
> This patch add some capability for reading K12xx .rf5 files.
> Currently Wireshark has trouble dissecting .rf5 captured from
> UMTS ATM-based Iub interface. According to example configuration
> file at:
>   http://wiki.wireshark.org/K12?highlight=%28K12%29
> If one try to dissect protocol
>   C:\k1297\stacks\umts_iub\umts_iub_aal2l3.stk
> using ALCAP, it will have error due to the trailing SSCOP fields.
> If SSCOP is used instead, then the ALCAP commands is not shown.
>
> This patch implements the following:
>
> 1 Add ALCAP and NBAP as subdissectors of SSCOP. Previously it only
>   knows about SSCF-NNI and data. (Changes in packet-sscop.c,
>   packet-sscop.h)
>
> 2 Add capability for lower layer to force SSCOP to choose a particular
>   dissector. It is passed as "subdissector" field of SSCOP protocol
>   data. This is required because different payload protocol is
>   distinguished by different VPI/VCI. There is no protocol field inside
>   SSCOP frame. (Changes in packet-sscop.c, packet-sscop.h)
>
> 3 Make K12xx configuration file supporting the following syntax:
>     C:\k1297\stacks\umts_iub\umts_iub_aal2l3.stk sscop:alcap
>   This says dissect with SSCOP first and then pass to ALCAP.
>   The change is made general, so it supports arbitrary number of
>   protocol, like "proto1:proto2:proto3". Using ":" as separator
>   allow us to expand the syntax further to support parameters like
>   "proto1 param1:proto2 param2 param3". (Changes in packet-k12.c)
>
> With above 3 changes together, dissecting Iub traces are correct for
> control and signaling planes. I am still investigating user plane
> frames because writing UMTS RLC/MAC protocol dissector is required.
> The patch and sample .rf file (same as my previous patch) is in the
> attachment.
>
> I will go to expand the wiki about this usage when the patch is
> committed.  I have already added some more information about ALCAP,
> NBAP protocols in the wiki.
>
> Best regards
>
> Kriang Lerdsuwanakij
>
>
>
> _______________________________________________
> Wireshark-dev mailing list
> [email protected]
> http://www.wireshark.org/mailman/listinfo/wireshark-dev
>
>
>


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