22 Oct
2016
22 Oct
'16
9:48 a.m.
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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/wireshark/commit/?id=aad62461f2d77467587d3691709e1f…
commit aad62461f2d77467587d3691709e1f4dffcdcf1f
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Sat Oct 22 09:41:29 2016 +0200
[WIP] gsm_abis_pgsl: attempt to feed EGPRS headers/blocks into RLC/MAC dissector
Change-Id: I18b363816c10df24933df2c3fa945be2559daa28
http://cgit.osmocom.org/wireshark/commit/?id=5d03522521ea81db51aef75143ef1f…
commit 5d03522521ea81db51aef75143ef1f2ba242a439
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Fri Oct 21 23:08:52 2016 +0200
gsm_abis_pgsl: Fix Frame Number handling
The FN is encoded as 24bit big-endian figure, so fix endianness for
uplink. Also, make sure to pass the frame number into the RLC/MAC
dissector using the private data.
Change-Id: I2cd2e104a45a1ff63dfbc9ce1709ff0ccc6eb5be
http://cgit.osmocom.org/wireshark/commit/?id=969b9119657d0be5aac672ae00b699…
commit 969b9119657d0be5aac672ae00b699fe8d36f8c2
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Fri Oct 21 21:55:56 2016 +0200
gsm_abis_pgsl: Hand off into GPRS RLC/MAC dissector
Rather than displaying the P-GSL data as "data", let's call the
proper GPRS RLC/MAC dissector to get a decode of the payload.
Change-Id: Ib081606c1b7af2a15ecf3c5f5b3ff44b5096e865
http://cgit.osmocom.org/wireshark/commit/?id=930e1eccde78f90db1f52d6f75a9a0…
commit 930e1eccde78f90db1f52d6f75a9a060b8d96a0f
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Fri Oct 21 21:52:51 2016 +0200
gsm_abis_pgsl: Fix conditional Incremental Redundancy IEs
There are some IEs in the Downlink Data Indication which are conditional
to the use of EGPRs. However, we still don't see them in the traces, so
let's deactivate that part for now.
Change-Id: I408c73e5f48018d3ea4ebcacb7bd94358a9eaac5
http://cgit.osmocom.org/wireshark/commit/?id=c90c15013426d9f011b4484ca0185e…
commit c90c15013426d9f011b4484ca0185eb213afd376
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Fri Oct 21 20:45:59 2016 +0200
gsm_abis_om2000: Dissect TLV structure of 0xa3/0xa5/0xa6 TLVs
We have no idea what those TLVs are, but the message hex-dumps clearly
indicate a 8-bit tag followed by 8-bit length and then 'length' amount
of bytes, so we can at least dissect that high-level structure for now.
They appear in equally unknown message type 0x126, which appears to be
sent in intervals of 300s by the RBS.
Change-Id: I91817eb20de1a4557399235c1fc42b638b9c935b
http://cgit.osmocom.org/wireshark/commit/?id=839cb7150e95570a4435350aaf5ab9…
commit 839cb7150e95570a4435350aaf5ab9e8f86daf22
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Sun Oct 16 14:08:42 2016 +0200
gsm_abis_tfp: Detect + display AMR rate based on payload length
Change-Id: I1af7e3be87da9416ded02b09c480ea69ec58afff
http://cgit.osmocom.org/wireshark/commit/?id=f3b96023a168479b36a0ccdd9885d5…
commit f3b96023a168479b36a0ccdd9885d598fe317bf1
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Sun Oct 16 14:07:39 2016 +0200
gsm_abis_tfp: Fix bit-mask for frame type
The frame type is only a select number of bits in the given byte,
so we must make sure to mask all toher bits away using 0x1E.
Change-Id: I6c7a1a256bd93b6e5149f50ed64f033836a26673
http://cgit.osmocom.org/wireshark/commit/?id=a3fc38deb7b4511333b57ab5e42c26…
commit a3fc38deb7b4511333b57ab5e42c26b86d441873
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Sat Oct 15 23:26:17 2016 +0200
packet-rsl: Add some extensions to RSL shared by Osmocom + Ericsson
Activation of (dynamic) PDCH uses some slight extensions of the
definitions found in 3GPP TS 48.058 when used on Ericsson RBS2000 or
Osmocom OsmoBTS.
The extensions are backwards-compatible, so I don't think it's worth to
introduce a preference for this.
Change-Id: I8e28d75bd8be15044a605ced8825b9b074ffbb22
http://cgit.osmocom.org/wireshark/commit/?id=3edfc8144682c8ff408275ca214d5a…
commit 3edfc8144682c8ff408275ca214d5aeed069264f
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Sat Oct 15 22:02:47 2016 +0200
gsm_abis_om2000: Add very basic dissection of "MO Record"
The MO Record is returned in response to a Capabilities Request and
describes the capabilities of he MO in more detail. The exact coding of
the contents is not yet known at this point.
Change-Id: Iddfe60d286a85585bec58d340bdee793d3bfca2e
http://cgit.osmocom.org/wireshark/commit/?id=490e7972a684d24201e256544bc20d…
commit 490e7972a684d24201e256544bc20d4a58d2c7d5
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Sat Oct 15 22:01:51 2016 +0200
gsm_abis_om2000: Add "TG" and "DP" MO Class names
Change-Id: Ice9d0601b2b1aa0691b7fcacaf61b4e287c7725c
http://cgit.osmocom.org/wireshark/commit/?id=c240e3831d6fc7136744aee0e49470…
commit c240e3831d6fc7136744aee0e4947048452ae886
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Sat Oct 15 20:18:16 2016 +0200
gsm_abis_om2000: Issue Expert Info when Enable Result != ENABLED
The point of sending an Enable Request is to enable the respective MO.
If the MO responds with any MO state != ENABLED there is something
fishy. Let's inform the user with some Expert Info about it.
Change-Id: Ib33e5dbc37894049b93bb71782787b8c96c04326
http://cgit.osmocom.org/wireshark/commit/?id=7928b3da367d2087e7564c7a208e0f…
commit 7928b3da367d2087e7564c7a208e0fa9500c245c
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Sat Oct 15 20:04:41 2016 +0200
gsm_abis_om2000: Introduce expoert info for unusual situations
In OM2000, it is not usual to receive NACK, REJECT or "performed not
according to request" type messages. Let's highlight them using expert
info as a convenience to the user.
Change-Id: I47b865c32fd9ec82ec63699babd31f3849f3006c
http://cgit.osmocom.org/wireshark/commit/?id=08340142c48dce17582a74a8d11444…
commit 08340142c48dce17582a74a8d114443e02ba2f7e
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Sat Oct 15 19:16:39 2016 +0200
gsm_abis_om2000: Decode the IWD Type/Gen/Rev in Negotiation Request
The Negotiation Request and Negotiation Requeset ACK contain IWD (Inter
Working Document) revision numbers for the different A-bis protocols
OML, RSL, GSL (GPRS) and TRA (TRAU). Decode them in a way suitable
for human consumption.
Change-Id: I5b11e64ca252b7349900ba5b700c2faefd568441
-----------------------------------------------------------------------
Summary of changes:
epan/dissectors/packet-gsm_abis_om2000.c | 9 +++
epan/dissectors/packet-gsm_abis_pgsl.c | 129 +++++++++++++++++++++++++++----
epan/dissectors/packet-gsm_abis_tfp.c | 40 +++++++++-
epan/dissectors/packet-gsmtap.c | 7 --
4 files changed, 163 insertions(+), 22 deletions(-)
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