Title: Dissectors for SMS over GPRS-LLC
Hi,
>some SMS Control
Protocol (SMS CP) fields are included in GSM A DTAP dissector, but not the whole
protocol.
Should
all SMS-CP dissection be done by the new dissector or perhaps the code moved
into packet-gsm_a.c ?
Regards
Anders
Hi
SMS msg can be carried over packet
switched GPRS, and I am trying to have Wireshark decode SMS carried on GPRS LLC
protocol (SAPI 7).
The stack is the
following:
-------------------
| sms msg
|
-------------------
| sms T-PDU |
--> dissector exists (gsm_sms)
in packet-gsm_sms.c
-------------------
| sms RP
|
--> dissector exists (gsm_a_rp) in packet-gsm_a.c
-------------------
| sms CP
|
-------------------
| GPRS LLC |
--> dissector exists (gprs-llc) in packet-gprs-llc.c
-------------------
some SMS Control Protocol (SMS CP)
fields are included in GSM A DTAP dissector, but not the whole protocol.
So I basically wrote a small plugin for
SMS CP -following the dev guidelines-, and linked to GPRS-LLC and SMS-RP and it
works fine.
The questions are:
- is there any interest in having this
submitted back to the Wireshark source ?
- if it is the case, what is the best practice (plugin,
native) and recommendations for the dissector calls - restrain the calls to be
within the new protocol code, or rather use call_dissector() etc in other
dissectors, which implies a small diff on other dissectors
too.
Thks, and btw I found the developper doc extremely useful
-many thks to the author(s).
Cyrille
