osmo-pcu.git branch master updated. 0.2-380-g0eabffd

gitosis at osmocom.org gitosis at osmocom.org
Fri Mar 6 18:32:49 UTC 2015

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       via  0eabffdc35bef3bb678014d4c377ab8a2ac5951f (commit)
       via  1842c921b3ed5c941a092542b922274c535111a9 (commit)
       via  adcdf150a63b3fe13dd933fca9f51974f40aeede (commit)
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commit 0eabffdc35bef3bb678014d4c377ab8a2ac5951f
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Mon Mar 2 14:28:12 2015 +0100

    sched: Modify DL scheduling to use different priorities
    Currently the DL blocks are scheduled round robin to each TBF that is
    either in state FLOW or FINISHED and not waiting for an IMM.ASS
    confirmation. This way, if single blocks has been NACK'ed by the MS
    and the PCU has already resent the missing packets, the PCU starts
    retransmitting them until it has received an ACK/NACK even if other
    TBF have RLC blocks that need to be transmitted.
    This commit changes sched_select_downlink to select the next TBF with
    the highest priority, where blocks that are going to be resent again
    have a lower priority unless the window is stalling. If there is only
    one TBF the old behaviour is kept, since there is no other TBF that
    can have a higher priority.
    If there is much packet loss on a single phone, this modification can
    lead to a higher latency for that MS.
    Sponsored-by: On-Waves ehf


commit 1842c921b3ed5c941a092542b922274c535111a9
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Mon Mar 2 13:01:35 2015 +0100

    tbf: Reduce m_new_tbf logging messages
    Currently tbf->m_new_tbf may point to itself if no new TBF is
    assigned. But this leads to additional logging messages, since the
    code in set_new_tbf and tbf_free assumes, that a real new TBF is
    assigned and generates log messages accordingly.
    This commit adds checks to avoid those messages in the above case.
    Sponsored-by: On-Waves ehf


commit adcdf150a63b3fe13dd933fca9f51974f40aeede
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Tue Mar 3 14:45:55 2015 +0100

    tbf: Add name() method and put the buf into the tbf
    Currently tbf_name() must not be used twice in a printf statement
    with different TBFs, since the same baffer will be used for each.
    This commit puts the text buffer into struct gprs_rlcmac_tbf to avoid
    this problem.
    Sponsored-by: On-Waves ehf


Summary of changes:
 src/gprs_rlcmac_sched.cpp | 29 +++++++++++++++++++-----
 src/tbf.cpp               | 56 +++++++++++++++++++++++++++++------------------
 src/tbf.h                 |  5 +++++
 tests/tbf/TbfTest.err     |  6 ++---
 4 files changed, 65 insertions(+), 31 deletions(-)


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