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The branch, jerlbeck/wip/fix-pacch-alloc has been created
at 88782ddb8f2cfd3f00ee58672e2ba448a58f589c (commit)
- Log -----------------------------------------------------------------
http://cgit.osmocom.org/osmo-pcu/commit/?id=88782ddb8f2cfd3f00ee58672e2ba448a58f589c
commit 88782ddb8f2cfd3f00ee58672e2ba448a58f589c
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Aug 20 11:48:30 2015 +0200
WIP tests and fixes TODO
TODO:
- check whether the semantics have not changed an put it away
http://cgit.osmocom.org/osmo-pcu/commit/?id=31af0ad11b3486d8f989a43479c7aecdc7a9254a
commit 31af0ad11b3486d8f989a43479c7aecdc7a9254a
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Wed Aug 26 11:19:49 2015 +0200
l1: Add prim logging (TODO)
http://cgit.osmocom.org/osmo-pcu/commit/?id=c8cbfc2c9800929a46ffa71e3bd0f34aa9b42f33
commit c8cbfc2c9800929a46ffa71e3bd0f34aa9b42f33
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Sep 1 11:38:40 2015 +0200
bts: Start a DL TBF if needed after establishment of an UL TBF
Currently an existing DL TBF can get lost in the process of
establishing an UL TBF via RACH. This can lead to stalled connections
until the network sends more LLC frames.
This commit adds a check for a non-empty LLC queue after the UL TBF
has been established to rcv_control_ack (GPRS_RLCMAC_UL_ASS_WAIT_ACK
path) to eventually establish a new DL TBF on the UL TBF's PACCH.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=ae0a799f4472a75912b444cc2f09361aaea27963
commit ae0a799f4472a75912b444cc2f09361aaea27963
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Sep 1 11:28:25 2015 +0200
bts: Release DL TBF instead of killing in rcv_resource_request
Currently an existing DL TBF is freed immediately, when a resource
request is received. This makes sense since the MS might have dropped
it when switching to the PDCH signaled via the AGCH for the SBA. But
if the TBF still is assumed to exist on the MS side, there might be
TFI collisions if the old TBF object is not kept to block its TFI
for some time.
This commit changes rcv_resource_request to call release() instead of
tbf_free() on the DL TBF object (if it exists).
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=91ff7d1864f0248ab5f45047069c09d7843212ca
commit 91ff7d1864f0248ab5f45047069c09d7843212ca
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Sep 1 11:20:29 2015 +0200
tbf: Refactor reuse_tbf into releasing and DL TBF establishment
Currently reuse_tbf (partly) resets the old DL TBF and uses its PACCH
to establish a new DL TBF. The method can not be used with UL TBFs.
This commit replaces the reuse_tbf method into a
gprs_rlcmac_dl_tbf:release method which triggers the TBF's timer
based deletion (so that the TFI is still reserved for some time) and
a gprs_rlcmac_tbf::establish_dl_tbf_on_pacch which can establish DL
TBFs on existing PACCHs of either DL or UL TBFs.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=9659d593073dfb6711f2ed9ad7bee4ca454db784
commit 9659d593073dfb6711f2ed9ad7bee4ca454db784
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Sep 1 11:06:14 2015 +0200
tbf: Keep the old MS object alive in extract_tlli
Currently when a second MS object has been created for an MS, because
the TLLI was not known yet, the will be detected in
gprs_rlcmac_tbf::extract_tlli and the two objects will be merged by
update_ms. But when the dl_tbf is moved from the old to the new
(second) MS object, the old MS object can get idle and be removed
before the object are merged. This can cause LLC frame loss when the
MS object is deleted immediately after getting idle (no timeout
configured).
This commit adds a guard to keep the MS object until extract_tlli has
been executed.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/osmo-pcu/commit/?id=cf6ae9d12f9bf406a8f164f8109410d01328d913
commit cf6ae9d12f9bf406a8f164f8109410d01328d913
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Aug 31 14:32:05 2015 +0200
Revert "tbf: Do not kill DL TBF on Packet Resource Request"
This reverts commit e91bd3babd5c04a154f296607b401a5050dcba31.
That commit seems to cause hanging DL TBFs when there was a RACH
based UL TBF establishment while it that TBF is active. This could be
caused by the use of a different PDCH for the SBA.
Conflicts:
tests/tbf/TbfTest.cpp
tests/tbf/TbfTest.err
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