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Currently all of these messages are discarded if they are assumend to
be caused by noise. But even in these cases, the FN and TN values
which are added by the DSP are valid. So these can be used to update
the current_frame value.
The osmo-bts sets the fBFILevel of a physical channel to -200dB if it
is used for PDTCH or PACCH which is the case for all PDCH. This way
a data_ind or ra_ind message is already send at least once per block
period (4 frames) per PDCH. These messages are passed to either
handle_ph_data_ind or handle_ph_ra_ind even if they contain garbage
data.
The ra_ind messages are sometimes sent a few frames earlier than
data_ind messages using the same frame.
This commit adds calls to update the current_frame value based on all
of these messages before they are discarded. The FN taken from ra_ind
are passed with an increased max_delay (5) to compensate for early
ra_ind messages.
Sponsored-by: On-Waves ehf
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Currently only the RSSI value is passed to the upper layers. Other
values like TA and BER which are needed for TA update respectively CS
selection are not propagated.
This commit introduces and passes a struct that contains a set of
measurement values.
Sponsored-by: On-Waves ehf
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The acc_delay value is computed but not used, resulting in a warning.
This commit adds a logging message it case the function is executed
to make the warning disappear. It also adds a CPP warning to remind
of the incomplete implementation.
Addresses:
sysmo_l1_if.c:226:10: error: variable ‘acc_delay’ set but not used
[-Werror=unused-but-set-variable]
Sponsored-by: On-Waves ehf
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The write_queue is designed to have a maximum amount of pending
messages and will refuse to take new messages when it has been
reached. The caller can decide if it wants to flush the queue
and add the message again, create a log. But in all cases the
ownership of the msgb has not been transferred. Fix the potential
memory leak in the failure situation.
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This commit adds a missing LF to a log message.
Sponsored-by: On-Waves ehf
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The first byte in data_ind->msgUnitParam.u8Buffer is not part of the GSM
frame, but something else, it is also skipped in the call to
pcu_rx_data_ind_pdtch().
This patch fixes GSM RLC/MAC UL packet decoding in wireshark, especially
ACK/NACK packets are now displayed correctly (amongst others).
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This bumps the PCU API version to 5 and requires osmo-bts >= 0.2.0.
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This allows to track memory leaks of all memory that is allocated by
talloc. Especially bitvector allocations is tracked now.
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In order to use this feature, sysmoBTS requires option "-M", otherwise
the traffic is forwarded through socket interface.
This is essential, if PCU runs on processor of sysmoBTS. The reaction
time and delay of PDTCH frames could heavily degrade proper packet flow.
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