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The active channel might or might not be gone when the transaction
has been released. Instead of passing an invalid subscriber conn
we will pass the subscr that is ref-counted and guranteed to be
valid at this point. subscr_put_channel could search the connections
for an active connection if that is ever needed.
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When the new_lchan for handover is failing we should stop the
handover operation. This is fixing a crash that we get a timeout
on the lchan and have no conn set to it. Introduce a flag to
the bsc_clear_handover to not free the lchan. In case the ho_lchan
is failing we do not want to call lchan_release as it would
reset the state.
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Include stdint.h to have the C99 data types.
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Instead of creating the sockets in the RSL code we will do this
in the CRCX_ACK, MDCX_ACK, DLCX_IND signal handler of gsm_04_08.
Introduce a handover signal so we can repatch the RTP sockets in
the gsm_04_08 as well.
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This adds mncc_sock_from_cc() as a handler function for CC messages
to be passed to the MNCC interface. If there is no MNCC socket
registered, we immediately release any CC related messages.
Together with flushing all established CC transaction at MNCC socket
close time, this ensures that all resources are released and no
new resources can be established until the MNCC applicaiton has
re-attached.
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this is required as we no longer have a dequeue-handler that can take
care of free()ing the message after passing it to the MNCC handler.
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The MNCC messages now again get directly handled by the net->mncc_recv()
callback. If the callee wants to put them in a queue, it' his business
to do that.
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This name clearly indicates: MNCC api transmits to Call Control,
i.e. down from the L4/application into the L3 04.08 code.
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the int_ perfix (internal) symbolizes that this is the internal
MNCC handler code, receiving messages from the MNCC interface point.
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The new function name clearly indicates: The Call Control
(TS 04.08, msc-side in OpenBSC) wants to transmit something to the
MNCC interface.
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The reason for this is quite simple: We want to make sure anyone
running a customized version of OpenBSC to operate a network will
have to release all custom modifiations to the source code.
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The SS_LCHAN signals now always include the lchan_sig_data. For
the measurement report it will optionally include the measurement
report as well. Attempt to update all handlers of this signal as well
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If the GGSN restarts, its restart counter will increase. We can
detect that and accordingly release/delete all PDP contexts for
that GGSN.
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Make it possible to change the max pending via the vty. This
can be useful to play with the performance of the queue.
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The sms queue will attempt to send one SMS per subscriber
to fill all the available slots. It will handle the case
where paging has not started, timed out or if there was
any kind of other failure. It is also retransmitting SMS
in case of failures.
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The SMSqueue will be responsible of sending to the user. It will
do so in a loop and will also try not to overload the BTS. This
means the throughput of SMS will be limited.
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This is providing access to the paging result, the sms,
the transaction. This will allow the SMS queue to do
decisions based on the source of the failure.
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This attempts to dispatch a signal whenever a MT-sms is failing. In
some cases, e.g. with freeing the transaction, this will also happen
for MO-sms.
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We do not want to attempt submitting SMS that has failed for
too many times. The failure could be due RF failure or due
a bug in the message handling.
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Start counting the attempts of each paging request and call
the callback with the PAGING_BUSY type when the paging request
timed out but the subscriber was not paged at all. This can
only happen with a huge paging backlog.
In case the system has so many pending paging
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Introduce a method that will remove all subscribers that have a
zero use count. This is useful if someone wants to purge subscribers
from memory or wants to disable the everything in RAM feature.
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This is implemented by not freeing the subscriber when the
reference count becomes smaller than zero. We hope that this
will save many database accesses during the congres.
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The existing call realated statistics counters apparently were
never used. This introduces a new set of counters, two for the
MO and MT case.
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In the GPRS NS protocol stack, the amount of NS/BSSGP headers like MS RADIO
CAPA INFO can be quite long. In order to fit the full user message and
those headers, we have to enlarge the head/tailroom of the msgb allocations.
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This improves readability of the code...
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If the user has a non-zero 'timer t3122' in the config file, we will
send an IMM ASS REJECT in case we run out of resources.
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... not on the lchan.
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This wrapper will allow us to add queue related code at one single
location in the code as opposed to three locations.
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RSL should not know the details of a GSM Subscriber anyway.
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Reduce the dependencies on the header files.
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Currently the nanoBTS bootstrap code requires a high delay
otherwise we are not bringing the device up properly. Changing
the init code turns out harder than it seems like. So this is
a workaround for that to allow a high speed RSL/OML connection
after the bringup.
The line driver can have a default TS delay. It is set to the
current default for the nanoBTS and the BS11. For the ipaccess
case we will set the delay lower for the RSL connection and
inside the ipaccess-config we can set it low right away to
have fast firmware flashing and such.
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Instead of sending many messages we will queue the OML
messages and wait for the ACK/NACK before sending the
next message from the queue. We tag the msgb to remember
if we need to wait for an ack or not.
We keep the order of all messages, on ACKs and similiar
occassions we will drown the queue until we reach a message
that needs to be acked and then wait for that ack again.
Possible breakage can appear when we send an OML (e.g.
BS11 specific message) msg which does not need to be acked
through the abis_nm_sendmsg call. The fix will be to use
the _direct version of this method.
Re-Enable as it might have fixed something... who knows.
Conflicts:
openbsc/include/openbsc/abis_nm.h
openbsc/include/openbsc/gsm_data.h
openbsc/src/abis_nm.c
openbsc/src/gsm_data.c
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This introduces abis_nm_bs11_get_bport_line_cfg() and a parser for the result.
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We use them, so declare them. (avoid including all gsm_data.h)
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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We don't really need openbsc/gsm_04_08.h or abis_rsl.h
But we do need some definition from libosmocore
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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We use them, so declare them. (avoid including all gsm_data.h)
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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We use them, so declare them. (avoid including all gsm_data.h)
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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The handler might need to know some info of the paging response
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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