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2015-07-21bssgp: Use measured leak rate for flow control (EXPERIMENTAL)Jacob Erlbeck1-0/+4
THIS IS EXPERIMENTAL, DO NOT USE IN PRODUCTION The leak rate sent to the SGSN does not reflect the current CS level, lost frames, and control message overhead. Use the ratio between sent blocks and successfully received bytes to derive the net leak rate. TODO: - The values are not stable, possibly resulting from interference with the sampling rate or from the interval between send and receive if they fall into different sampling intervals. - Perhaps the rate can be computed from sent data bytes / sent data frames or from the average packet size and the global nack rate.
2015-06-22llc: Make timeval arguments constJacob Erlbeck1-2/+2
Some struct timeval pointer arguments do not have the const qualifier, albeit the methods do not write to the structures. The next commit will change related pointers to const, so this commit provides the required constness. Sponsored-by: On-Waves ehf
2015-05-06bssgp: Increment BSSGP flow control tag valueJacob Erlbeck1-0/+1
Currently the tag value in FLOW CONTROL BVC messages is always 1. This commit changes the implementation to increment that value with each of the FLOW CONTROL BVC messages that is sent to the SGSN. Sponsored-by: On-Waves ehf
2015-05-06bssgp: Compute and transmit queue delayJacob Erlbeck1-0/+7
The specification 28.018, allows to transmit the average LLC downlink queueing delay in FLOW CONTROL BVC messages (BVC Measurement IE, see GSM 28.018, 10.4.4 and 11.3.7). This commit extends gprs_bssgp_pcu.cpp to compute the average delay time between two subsequent FLOW CONTROL BVC messages. The average is implemented as an arithmetic average without any weighting. Ticket: OW#1432 Sponsored-by: On-Waves ehf
2014-06-15Always exit and don't try to recoverDaniel Willmann1-3/+1
The current code tries to recover from dropped connections and resets the pcu state so it can keep running. However, this never worked correctly which is why the -e option is used. This option exits the pcu as soon as the internal state needs to be reset. This patch removes this option and makes this behaviour default. Ticket: SYS#390 Sponsored-by: On-Waves ehf
2013-10-30bts: Move struct gprs_rlcmac_bts and other structs into a bts.hHolger Hans Peter Freyther1-0/+2
Begin to make the BTS a real C++ object with real responsibilities. The biggest issue will be the pcu_vty.c that might not like C++ at all.
2013-09-04bssgp: Add callback UNITDATA.DL messaes with the dataHolger Hans Peter Freyther1-0/+4
2013-09-04bssgp: Add callbacks for certain BSSGP eventsHolger Hans Peter Freyther1-0/+6
Add a callback called when Unblock Ack is received. This can be used by a supervisor or the emulation test.
2013-09-04bssgp: Return the gprs_bssgp_pcu instance from create/connectHolger Hans Peter Freyther1-1/+18
This can be used to install handlers/testcases to register callbacks and other data.
2013-09-04rlcmac: Reduce the depedency on the global gprs_rlcmac_bts variableHolger Hans Peter Freyther1-4/+4
For mocking/unit-testing/emulation (and a dual trx-systems) having global state is quite bad. Cut back on the usage of the global struct gprs_rlcmac_bts. It also makes the complexity of certain routines more clear.
2013-09-04bssgp: These routines are not public API.. make them static for nowHolger Hans Peter Freyther1-8/+0
2013-08-02bssgp: The method creates and the connects.. reflect that in the nameHolger Hans Peter Freyther1-1/+1
Call things by what they do. This method is creating and then connecting a BSSGP..
2013-07-30misc: Move the struct bssgp_bvc_ctx into the struct osmo_pcuHolger Hans Peter Freyther1-2/+2
2013-07-27misc: Add an option exit/quit when the BSSGP is supposed to be destroyedHolger Hans Peter Freyther1-1/+2
The PCU does not properly re-set the state when the connection to the BTS is lost (and the SGSN potentially is re-started during that). This results in the BSSGP BVCI > 1 remaining blocked and no data will be accepted by the SGSN. Add the '-e' option and exit the PCU when the BSSGP/NS are getting destroyed.
2013-03-10PCU: respect the PCU-side "local port" as configured via L1 IFHarald Welte1-3/+4
This makes sure that the UDP local port of the Gb link is actually set to what is configured via OML from OpenBSC.
2012-09-23Replace local definitions by header gprs_bssgp_bss.hAndreas Eversberg1-5/+2
2012-07-06Cleanup of BSSGP code.Andreas Eversberg1-13/+0
The hack for resetting BSSGP instance is removed and now performed whenever the NS state changes to UNBLOCKED. The BSSGP instance is now created only once, as it should be. Received STATUS messages are ignored as they should be. The creation and destruction of BSSGP/NS instances is now handled by layer 1 interface alone.
2012-07-06Move BSSGP/NS instances creation and desctruction to gprs_bssgp_pcu.cppAndreas Eversberg1-0/+6
2012-07-06remove dependencies to openbsc/osmoggsn internalsHarald Welte1-3/+4
...and link against libosmogb (part of libosmocore.git)
2012-06-27Work on RLCMAC layer. Integration of scheduler and new packet transferAndreas Eversberg1-2/+2
2012-06-23Hack to slow down uplink transferAndreas Eversberg1-5/+5
2012-06-14move everything to src/ subdirectoryHarald Welte1-0/+69
The code corresponds to commit a9aa4777cc1144897a77dfb6c5c3d7325705251e in openbts-p2.8.git (Tue Jun 12 18:14:49 2012 +0400)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 17:45:17 +0000