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The branch, jerlbeck/wip/ms-struct has been updated
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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/osmo-pcu/commit/?id=ec1ad5b8474a9a62724f2c6168d2cdc51d21364d
commit ec1ad5b8474a9a62724f2c6168d2cdc51d21364d
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon May 18 15:21:36 2015 +0200
tbf: Just pass the MS object in reuse_tbf
Currently the MS will be searched based on the TLLI in resue_tbf().
Since the MS object is already known in the TBF when the TLLI is set,
it can just be passed to the new TBF.
This commit removes the call to update_ms() and just adds
new_tbf->set_ms(ms()) which will also work as expected if ms() == NULL.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=2e6c43bb2ac719c5a42ca5207f3d3ee831c5ed59
commit 2e6c43bb2ac719c5a42ca5207f3d3ee831c5ed59
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon May 18 14:35:11 2015 +0200
tbf: Explicitly pass the direction to update_ms()
The type of the TBF update_ms() is being called on does not always
reflect whether the TLLI has been signaled by the MS or the SGSN.
This commit adds an additional parameter to tell the method, in which
direction the TLLI has been passed.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=072ac71c072f7d67a1a259d54daded95820dbaf4
commit 072ac71c072f7d67a1a259d54daded95820dbaf4
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon May 18 11:56:50 2015 +0200
tbf: Get the TLLI from the MS object
Since the synchronisation of the TBF's concerning the TLLIs has been
removed in 'Support new and old TLLI's', gprs_rlcmac_tbf::tlli() can
return the old TLLI which is probably different to ms()->tlli() in
that case. This can lead to a wrong TLLI being used in BSSGP messages.
This commit modifies the TBF's tlli() method to get the current TLLI
from the MS object.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=141390fcc3b55a5a0a5b08b5ee60b5ac9a9ec24e
commit 141390fcc3b55a5a0a5b08b5ee60b5ac9a9ec24e
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri May 15 15:50:43 2015 +0200
ms: Support new and old TLLIs
According to the specification (GSM 04.08/24.008, 4.7.1.5) after a
new P-TMSI has been assigned, the old P-TMSI must be kept basically
until it has been used by both sides. Since the TLLI will be derived
from the P-TMSI, the old TLLI must also be kept until the new TLLI
has been used by both MS and SGSN.
This commit modifies the TLLI handling of GprsMs accordingly.
set_tlli() is only used with TLLIs derived from MS messages,
confirm_tlli() is used with TLLIs derived from messages received from
the SGSN.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=e934a4510e6b3a12807ebe9d7ef6bc5d2a16123e
commit e934a4510e6b3a12807ebe9d7ef6bc5d2a16123e
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Wed May 13 13:33:12 2015 +0200
ms: Integrate the MS storage
Use the MS storage to find a MS object for a given TLLI instead of
searching the TBF lists. The TBFs are then taken from the MS object,
if one has been found. If all TBF might be temporarily detached from
the MS object, a GprsMs::Guard is added to prevent the deletion of
the object, in case another TBF gets attached later on in the scope.
Ticket: #1674
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=963800da8a4b8bcda919e9c9da516f1633bedc9d
commit 963800da8a4b8bcda919e9c9da516f1633bedc9d
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue May 12 17:54:33 2015 +0200
ms: Add MS storage class
Currently the MS objects are contained in the TBF objects only. To
allow for an extended life time after the TBF objects have been freed
and to find them based on TLLI, a container for the MS objects is
needed.
This commit adds the container class and also adds the corresponding
m_list member to GprsMs. Further integration into the PCU code is not
yet done.
Ticket: #1674
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=f2c47b68af934781d8a065a626a0c1333d26a244
commit f2c47b68af934781d8a065a626a0c1333d26a244
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon May 11 14:13:47 2015 +0200
llist: Add a C++ wrapper for linux_list
This commit adds the LListHead class which is a wrapper around the
linuxlist. It adds an additional member to refer to the container,
since the container_of macro doesn't work properly with C++ classes.
All functions and macros from linuxlist.h are support except for the
entry macros (e.g. llist_entry, llist_for_each_entry, ...). To access
the container (entry), an entry() method is provided instead:
llist_for_each(pos, &elems) {
pos->entry()->do_something();
}
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=dd0f95ce829a69eb447c43ca8c7dd17314df3134
commit dd0f95ce829a69eb447c43ca8c7dd17314df3134
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon May 11 10:32:40 2015 +0200
tbf/test: Optionally show talloc report
To show the talloc report more easily, this commit adds a call to
talloc_report_full if the TALLOC_REPORT_FULL environment variable is
set (the value is ignored). Since the stderr output is checked by the
test suite, this feature is not enabled by default.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=068e6c898a5500d87ec44d6a7ca0637f20ea830d
commit 068e6c898a5500d87ec44d6a7ca0637f20ea830d
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri May 8 12:13:08 2015 +0200
tbf: Add MS object management to TBF code
This commit adds MS object creation and cleanup to the TBF related
code. MS objects are created when a TBF that has been "anonymous" so
far gets associated with a TLLI. When a TBF is replaced by another,
the old TBF is detached and the new one is attached to the MS. When
all TBFs have been detached, the MS object gets deleted.
The TBF related code should not call attach_tbf/detach_tbf directly
but use set_ms instead to make sure, that the references are updated
properly. GprsMs::detach_tbf also calls set_ms(NULL) on the detached
TBF object.
The MS object is not really used yet, the focus is still on object
creation, TBF association, and cleanup.
Ticket: #1674
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=08f0cb07ec6802aaae0dd2cdab0c7194e543af81
commit 08f0cb07ec6802aaae0dd2cdab0c7194e543af81
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Wed May 6 18:30:48 2015 +0200
ms: Add GprsMs class to hold per-MS information
Currently only TBF objects are used to handle the data flow between
the MS and the SGSN. MS specific data (e.g. pending LLC frames, TLLI)
is copied between successive TBFs. If all TBFs (uplink and downlink)
are idle for some time, all information about the MS is discarded in
the PCU. This makes the implementation of some features more
difficult, e.g. proper TLLI and timing advance handling,
connection based CS selection, and proper management of multiple TBF.
This commit adds the GprsMs class that is intended to hold
information directly related to the MS and to keep references to the
active TBFs.
The class is not yet integrated with the other PCU code. A GprsMs
object container and MS specific fields (TA, CS) will be added in
later commits.
Note that calling detach_tbf() can possibly delete the MS object
depending on the callback implementation.
Ticket: #1674
Sponsored-by: On-Waves ehf
-----------------------------------------------------------------------
Summary of changes:
src/Makefile.am | 2 +-
src/{LinuxList.h => cxx_linuxlist.h} | 30 +++++++++++++++++++++++-------
src/gprs_ms.cpp | 2 ++
src/gprs_ms.h | 6 +++---
src/gprs_ms_storage.h | 2 +-
tests/llist/LListTest.cpp | 2 +-
tests/ms/MsTest.cpp | 1 -
7 files changed, 31 insertions(+), 14 deletions(-)
rename src/{LinuxList.h => cxx_linuxlist.h} (84%)
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