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2019-09-16tests: TbfTest: Unify stderr and stdout to ease debuggingPau Espin Pedrol1-83/+0
osmo-pcu code is really verbose, and since log lines printing start and end of tests are sent to a different file, it's really difficult to understand which test outputs what. Change-Id: I3e887158e2c9585c360d44f12f995f55861170f2
2017-01-24Handle packet access reject during packet resource requestaravind sirsikar1-0/+4
When Packet resource request is received, PCU will generate the packet access reject if no resources are present. The encoding is done based on section 7.1.3.2.1 and 8.1.2.5 of 44.060 version 7.27.0 Release 7. This patch also includes the test case to validate the generated packet access reject message. This patch is integration tested on Osmo-trx setup with Ettus B210 board and LG F70 MS with some simulation code changes in Osmo-pcu. Change-Id: I05ff25124b58905586caa0c0c37023d69724f121
2017-01-24Add test case for testing PUANsivasankari1-0/+2
This test case is for testing generation of EGPRS PUAN. Corresponding log files .ok and .err are modified. Change-Id: I18e6d4a9e90fd6453fe14187beab27dfeae8dbe9
2016-11-11Handle packet access reject during EPDAN/PDAN with channel descriptionaravind sirsikar1-0/+3
When PDAN/EPDAN with channel description is received, PCU will generate the packet access reject if no resources are present. The encoding is done based on section 7.1.3.2.1 and 8.1.2.5 of 44.060 version 7.27.0 Release 7. This patch also includes the test case to validate the generated packet access reject message. This patch is integration tested on Osmo-trx setup with Ettus B210 board and LG F70 MS with some simulation code changes in Osmo-pcu. Change-Id: I096a3bb44a65533b9e9b091925dd5f70a8696d6
2016-11-09Handle Immediate assignment rejectaravind sirsikar1-0/+4
When RACH is received, PCU will generate the Immediate assignment reject message if no resources are present. The encoding is done based on section 9.1.20 of 44.018 version 11.7.0 Release 11. This patch also includes the test case to validate the generated Immediate assignment reject message. This patch is integration tested on Osmo-trx setup with Ettus B210 board and LG F70 MS with some simulation code changes in Osmo-pcu. Change-Id: I3d33e2b9746fa4f338fad0e6b63b1c5f07de6f9b
2016-10-30EGPRS: add test case to show EPDAN BSN out of window bugaravind sirsikar1-0/+2
This patch adds a test case test_tbf_epdan_out_of_rx_window, which expects a current bug with EPDAN for interpretation of the bitmap explained in section 9.1.8.2.4 in 44.060 version 7.27.0 Release 7. The specification explains that a bit within the uncompressed bitmap whose corresponding BSN is not within the transmit window shall be ignored. But current PCU implementation drops the EPDAN and does not update status of the BSN which are inside the window. The test's expectation is corrected along with the bug fix in a subsequent commit. Related: OS#1789 Change-Id: If32b67f5c05707155281128b776a90a1e3d587b2
2016-09-15EGPRS: add test case to show LI decoding bugAravind Sirsikar1-0/+2
This patch adds a test case test_tbf_li_decoding which expects a current bug with LI decoding for row 4 of Table 10.4.14a.1 in 44.060 version 7.27.0 Release 7. The test's expectation is corrected along with the bug fix in a subsequent commit Related: OS#1811 Change-Id: Ida410dab1aa4b0cf3e15b2090586377eb19b2469
2016-08-30DL: add test case to show wrong window sizeAravind Sirsikar1-0/+2
This patch adds a test case test_tbf_update_ws. Which expects a current bug with DL window size calculation. The test's expectation is corrected along with the bug fix in a subsequent commit Related: OS#1808 Change-Id: I4659494c6f93ae89e4cc4ac79fff5fcaf2d23699
2016-08-25EGPRS: PUAN encoding: add test case to show wrong urbb_len issueAravind Sirsikar1-0/+2
This patch adds a test case which expects a current bug with EGPRS PUAN encoding when VQ != VR. The test's expectation is corrected along with the bugfix in a subsequent commit Adds test_tbf_puan_urbb_len to describe the following bug: EGPRS PUAN encoding disregards the urbb_len, leading to identical PUAN messages regardless of the urbb_len. Related: OS#1793 Change-Id: I00662a564f64c0c83627401ae8f7bfef0f0a5de8
2016-08-25Modify EGPRS DL TBF flow to support SPBAravind Sirsikar1-0/+6
Modify the EGPRS DL TBF flow to support Split block during Retx. This patch will also Upgrade the test suite with test cases to validate the EGPRS Downlink SPB for Retransmission Scenarios like MCS6->MCS3, MCS4->MCS1, MCS5->MCS2, MCS9->MCS3 MCS7->MCS2, MCS8->MCS3 have been simulated and Integration tested in NuRAN 1.0 hardware thoroughly. Change-Id: I242afdd8ae7622dec8593b26382ad66bad5b9516
2016-08-02Add support for SPB handling for EGPRS UL TBFAravind Sirsikar1-0/+2
This patch will modify the EGPRS UL TBF flow to support Split block handling. This patch also contains test suite modification for SPB UL. Scenarios like MCS6->MCS3, MCS4->MCS1, MCS5->MCS2, MCS9->MCS3 MCS7->MCS2, MCS8->MCS3 have been simulated and Integration tested in NuRAN 1.0 hardware thoroughly. The scope of Unit testing is limited. Change-Id: I39ca53218b6e0982abc2ab9c703c24c8bf0a09c0
2016-07-13Add test cases to support ARQ-II for EGPRS DL RetxAravind Sirsikar1-0/+9
During MCS upgradation such as MCS6->MCS9, 2 blocks which were sent separately as MCS6, will be clubbed into one MCS9 block during retransmission. Same holds good for MCS5->MCS7 transistion. During MCS reduction such as MCS9->MCS6,2 blocks which were sent together will be sent separately during the retransmission case. Same is verified through the generated log file. Currently MCS8->MCS6 transition is not supported. The retransmission MCS is being calculated from Table 8.1.1.2 of TS 44.060. The same test cases are also integration tested on Nuran 1.0 platform. Change-Id: Ia357acfe30f4dea95e00749916c6818354f93285
2016-02-08tbf/tests: Add tests for EGPRS TBF establishmentJacob Erlbeck1-0/+13
Add a test for EGPRS two phase access based on RA caps. Add a test for DL TBFs where data block are encoded with each MCS. Sponsored-by: On-Waves ehf
2016-02-08edge: Make window size configurableJacob Erlbeck1-0/+2
Currently the window size is fixed to 64 even for EGPRS. Support dynamic window sizes depending on the number of PDCH. The WS can be set to b + f * N_PDCH. If the result is not valid according to TS 44.060, Table 9.1.9.2.1, the value will be corrected to use the next lower valid value (or 64). The following VTY commands are added (config-pcu node): window-size <0-1024> set base (b) value and leave f unchanged window-size <0-1024> <0-256> set base (b) and factor (f) Sponsored-by: On-Waves ehf
2016-02-08edge: Disable GPRS/EGPRS mixed modeJacob Erlbeck1-0/+2
Currently the plain 'egprs' command enables EGPRS but doesn't prevent phones from being served in GPRS mode if they do not support EGPRS. This involves complex frame allocation implementations in dynamic mode, especially if 8PSK is being used. This is due to the inability of non-EGPRS phone to decode 8PSK USF and ES/P altogether. Since polling has a higher priority than USF, collisions will have to be prevented by the PCU by never using an GPRS USF if it refers to a FN that is already being used for polling. This commit just disables mixed usage by ignoring GPRS-only request if EGPRS is enabled. The following VTY command (config-pcu node) is changed: egprs -> egprs only Sponsored-by: On-Waves ehf
2016-02-05tbf/test: Add missing function name printfsJacob Erlbeck1-0/+6
Some test function don't have the "=== start/end ===" printfs. Sponsored-by: On-Waves ehf
2015-08-24tbf/test: Add test_tbf_dl_reuseJacob Erlbeck1-0/+2
This tests the usage of an existing TBF that is no longer in FLOW state to request a new DL TBF via the old TBF's PACCH. The test triggers a bug that breaks the association between both TBF objects, resulting in packet loss and transmission stalling. Sponsored-by: On-Waves ehf
2015-08-21tbf/test: Add tests for RACH while DL TBFs are activeJacob Erlbeck1-0/+6
This adds tests for - RA update with RACH for the RAUpdateComplete message - RACH for UL while DL is active (LLC queue not empty) Sponsored-by: On-Waves ehf
2015-07-03ms: Add tbf() method to get the TBF based on the directionJacob Erlbeck1-0/+2
To avoid the need for a switch or conditional statement when needing a TBF from an MS object in direction independant code, this method contains that case distinction. For additional flexibility, a reverse() function is added to get the opposite direction. Sponsored-by: On-Waves ehf
2015-06-22tbf/test: Add test for DL LLC packet lossJacob Erlbeck1-0/+2
Currently LLC frames are lost or even reordered when the TBF has be established via the AGCH and the procedure fails for some reason. This test tries to reproduce this behaviour by throwing away the first TBF while calling the handle() method several times. The results of create_dl_acked_block() are checked against expected values (this is currently party disabled because the bug still persists). Ticket: #1759 Sponsored-by: On-Waves ehf
2015-05-28tbf/test: Add tests for single and two phase accessJacob Erlbeck1-0/+4
These tests cover the message exchange from receiving from the first RACH request to the first data block when establishing an uplink TBF. This will be used to check, whether TA and other values are passed to an MS object correctly. In addition, the RX RACH log message in rcv_rach is extended to contain the single block fn. Sponsored-by: On-Waves ehf
2015-05-28tbf: Move IMSI to MS objectJacob Erlbeck1-0/+2
Currently the IMSI is stored in the TBFs. Since it directly refers to an MS, it should rather be stored in an MS object. This patch move the m_imsi field from gprs_rlcmac_tbf to GprsMs, changes gprs_rlcmac_tbf::imsi() to get the IMSI from the associated MS object, and adds getter and setter to GprsMs. Before changing the IMSI of the associated MS object, assign_imsi() checks if there is already another MS object with the same IMSI and eventually resets the IMSI of that one. So using update_ms() and assign_imsi() ensures that there are not two MS object entries is the storage with the same TLLI or the same IMSI. Ticket: #1674 Sponsored-by: On-Waves ehf
2015-04-09tbf/test: Add test for DL TBF exhaustionJacob Erlbeck1-0/+2
This test calls gprs_rlcmac_dl_tbf::handle() with varying TLLI and IMSI until the function fails. Sponsored-by: On-Waves ehf
2015-03-25tbf/test: Add test for delayed releaseJacob Erlbeck1-0/+2
This tests checks the implementation of the delayed release of an downlink TBF. Ticket: #556 Sponsored-by: On-Waves ehf
2013-10-30tbf: Learn and propagate the TLLI changes due a new P-TMSIHolger Hans Peter Freyther1-0/+0
During a routing area update a new P-TMSI was assigned. During the PACKET CONTROL ACK on the DL we notice the change of TLLI but didn't propagate this. This means that a Routing Area Update Complete was only sent after a new RACH request. Addresses: <0007> gprs_rlcmac_meas.cpp:103 UL RSSI of TLLI=0x88661bc6: -67 dBm <0002> bts.cpp:945 Got ACK, but UL TBF is gone TLLI=0xe512eba3 <0007> gprs_rlcmac_meas.cpp:158 DL packet loss of IMSI=274080000004765 / TLLI=0xe512eba3: 0% <0002> tbf.cpp:668 TBF TFI=0 TLLI=0x88661bc6 T3169 timeout during transsmission <0002> tbf.cpp:690 - Assignment was on PACCH <0002> tbf.cpp:694 - No uplink data received yet
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