Wireshark-bugs: [Wireshark-bugs] [Bug 13026] New: GTPv2: Add support for NB-IoT features
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 19 Oct 2016 07:23:49 +0000
Bug ID 13026
Summary GTPv2: Add support for NB-IoT features
Product Wireshark
Version 2.3.x (Experimental)
Hardware x86
OS Linux (other)
Status UNCONFIRMED
Severity Major
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter jan.spevak@nokia.com 

Build Information:
Version 2.3.0 (v2.3.0rc0-1107-gba00be5 from unknown)

Copyright 1998-2016 Gerald Combs <gerald@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (64-bit) with GTK+ 3.12.2, with Cairo 1.14.0, with Pango 1.36.8, with
libpcap, without POSIX capabilities, without libnl, with GLib 2.44.1, with zlib
1.2.3, without SMI, without c-ares, with Lua 5.1.4, without GnuTLS, without
Gcrypt, with MIT Kerberos, without GeoIP, without nghttp2, without LZ4, without
Snappy, without PortAudio, without AirPcap.

Running on Linux 2.6.32-220.7.1.el6.x86_64, with Intel(R) Xeon(R) CPU          
X3440  @ 2.53GHz (with SSE4.2), with 15943 MB of physical memory, with locale
en_US.UTF-8, with libpcap version 1.7.2, with zlib 1.2.3.

Built using gcc 4.4.7 20120313 (Red Hat 4.4.7-11).
--
The following enhancements in packet-gtpv2.c are necessary in order to decode
NB-IoT features, according to 3GPP - 29.274 v14.1:

dissect_gtpv2_ind - add decoding of bits 8-4 in octet 9, all of octet 10, and
bits 1 & 2 in octet 11
     section 8.12

gtpv2_rat_type_vals - add EUTRAN-NB-IoT(8) entry
     section 8.17

gtpv2_f_teid_interface_type_vals - add S11 MME GTP-U interface(38) and S11 SGW
GTP-U interface(39) values
     section 8.22

gtpv2_pdn_type_vals - add Non-IP(4) entry
     section 8.34
---
In addition, the RAT-Type AVP needs to be updated with EUTRAN-NB-IoT(code 1005)
entry
     3GPP - 29.212 v14.1, section 5.3.31

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