Re: GTPV2 packets in GPRS Tunneling protocol

[Manish Kumar <mkumar9009 () gmail com>]

Thanks Pascal for a quick reply.

I was going through the same file but the problem is m not getting how the
functions written in this file are being called up from other module.
For instance, how the function dissect_gtpv2_imsi( ...,....,...,..,...) is
being called. Or lets I put a filter gtpv2.imsi in the code how its control
flow code works. If someone can elaborate it will be really helpful.

Regards,
Manish Kumar


On Sun, Jun 2, 2013 at 10:56 PM, Pascal Quantin <pascal.quantin () gmail com>wrote:

> Le 02/06/2013 18:01, Manish Kumar a écrit :
> > Hi All,
> >
> > I am a beginner to wireshark development. I want to add a small filter
> > related to small information contained in GTPV2 packets. Can any one
> > guide me how to go about this.
> >
> > Which one is the main file in the whole code through I can browse the
> > code. Any help will be appreciated.
> >
> > Regards,
> > Manish
>
> Hi Manish,
>
> the GTPv2 dissection code is located in epan/dissectors/packet-gtpv2.c
> I recommend you to read doc/README.developer so as to learn how to add
> filters and look at the code of the GTPv2 dissector for examples. Once
> done, you can submit your patch as explained here:
> https://www.wireshark.org/docs/wsdg_html_chunked/ChSrcContribute.html
>
> Regards,
> Pascal.
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