14 Aug
2015
14 Aug
'15
4:41 p.m.
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http://cgit.osmocom.org/osmo-pcu/commit/?id=1c3b8998bc6d9d6f78a2bc29ac1f0ba…
commit 1c3b8998bc6d9d6f78a2bc29ac1f0ba9cffa4fb8
Author: Jacob Erlbeck <jerlbeck(a)sysmocom.de>
Date: Fri Aug 14 16:01:36 2015 +0200
ms: Set default CoDel interval to 4s
The current default interval is 2s which seems to be too short when
the DL TBF has to be established. This may cause freezing or really
slow TCP connections.
This commit increases the default value to 4s. When the
dl-tbf-idle-time is set, DL TBF are established less frequent, so
smaller values (like 2s or below) can be used to improve the average
latency when the load is high.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=ac289050825f23320ee60d9bfae87ee…
commit ac289050825f23320ee60d9bfae87ee3a25fb2c5
Author: Jacob Erlbeck <jerlbeck(a)sysmocom.de>
Date: Fri Aug 14 12:50:54 2015 +0200
tbf: Handle TLLI change on DL
When doing an RA Update the network can request to change the TLLI.
In this case, there can be 2 MS objects with different TLLI for a
single real MS. The first is associated with the old TLLI and the
IMSI, while the second is associated with the new TLLI and no IMSI if
it had been created for the uplink TBF. When the first message with
the new TLLI and the IMSI arrives from the network, the PCU is able
to detect this.
Currently this is not handled properly. The TBFs of the old MS object
are not cleaned up properly, keeping the old MS from being deleted.
This patch modifies gprs_rlcmac_dl_tbf::handle to check for this and
if neccessary to move an existing DL TBF and to clean up the old MS
object to ensure its deletion.
Sponsored-by: On-Waves ehf
-----------------------------------------------------------------------
Summary of changes:
src/gprs_ms.cpp | 16 ++++++++++-
src/gprs_ms.h | 2 ++
src/tbf_dl.cpp | 78 +++++++++++++++++++++++++++++++--------------------
tests/tbf/TbfTest.cpp | 4 +++
tests/tbf/TbfTest.err | 5 +++-
5 files changed, 73 insertions(+), 32 deletions(-)
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UNNAMED PROJECT