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2016-12-29Array indexing for SPB counters in bts statistics.Pravin Kumarvel1-3/+3
Array indexing mismatch is corrected for SPB counters. (bts_ctr_description with the bts counter declaration).
2016-12-29Will enable padding support for MCS8 to MCS6/MCS3 transition in EGPRS DL.Pravin Kumarvel2-28/+10
2016-12-29Update README with working commit versions of osmo componentsPravin Kumarvel2-1/+164
Necessary changes for build this pcu.
2016-12-29Add test case for testing PUANPravin Kumarvel4-0/+2390
This test case is for testing generation of EGPRS PUAN. Corresponding log files .ok and .err are modified.
2016-12-29Add compression support in EGPRS PUANPravin Kumarvel9-27/+537
This adds compression of bitmap in PUAN. The compressed bitmap is used only if the number of bits in the bitmap does not fit in the message and there is a gain after compression. The algorithm is part of libosmocore and so there is dependency on the libosmocore for compilation. The algorithm is tested on integration setup by forcing compression.
2016-12-29Refactoring write_packet_ack_nack_desc_egprs to prepare for CRBB supportPravin Kumarvel2-35/+38
2016-12-22Adds rate_ctr_init in the startup of osmo-pcusivasankari1-0/+1
Issue:Though the rate_ctr framework is used in osmo-pcu for bts statistics, the interval counters are always 0. Fix:rate_ctr_init is added in the startup which arms the timer and hence the rate ctr intervals is displayed with proper values. Change-Id: Ib0f33d2de9406aa7436aa9aeb6a8dabdff96383b
2016-12-22Add counter at BTS level And statistics at TBF/MS level.sivasankari10-2/+134
Adds spb counters at BTS level(show bts statistics). Adds RLC/MAC downlink control msg at ms level(show ms imsi <imsi_val>). Adds the number of coding schemes counter for UL at TBF level. Change-Id: Icbe4ba95e34bea89ee36f532d099db68204b7c38
2016-12-16Fix uninitialized members in pcu_l1_meas()Harald Welte1-1/+8
Change-Id: I76a03c9f54be474ab9ece908ef782807d555c6ac Fixes: Coverity CID 57952
2016-12-16struct pcu_l1_meas_ts: initialize ms_i_levelHarald Welte1-1/+2
Change-Id: I93de7589d746b91ba26b1b36bf2690f125277cd0 Fixes: Coverity CID 57953
2016-12-09Add statistics in the ms and tbf level.sivasankari5-5/+128
Adds DL throughput in show ms imsi <imsi_value>. Adds the number of coding schemes counter and rlc nacked counter at TBf level. Change-Id: Ia95b0404989b00db0e7ba416bc40d09ef41fde1c
2016-12-09Sanitizer build fix for TbfTestaravind sirsikar1-0/+2
Change-Id: Ia6993fd6f89c9d9ed00ec6cb4b27953e72fa1f52
2016-12-02Add debugging log for RLC data block decodingMrinal Mishra2-0/+10
Added debugging log for RLC UL Data Block decoding for both GPRS/EGPRS cases. Change-Id: I8c197bdc4cd1330cbab0adfd188336d27682cec4
2016-11-30debian: fix: add pcuif_proto.h to osmo-pcu.installNeels Hofmeyr1-0/+1
Following 68fc12775fac03e5e26a008dfa68c92498bfb772 'Install the pcuif_proto.h header file' we need to add pcuif_proto.h to the debian install file. Change-Id: Ib8e185900826baadcc96fcde1491903dbaf85f8b
2016-11-25Add new BTS level counterssivasankari4-1/+26
Adds counters for Immediate Assignment Reject, Packet Access Reject, Channel Request Description and Final Block resend. Change-Id: I23e326d4ea489aa4967e452fe02773b44ab146f7
2016-11-17Install the pcuif_proto.h header fileHarald Welte7-5/+10
So far, we used to keep a copy of the header file around in both osmo-pcu and osmo-bts projects. Before we start introducing a third copy in openbsc, let's have the osmo-pcu install the header file and make the other programs use that. Change-Id: I60976c9be5488256d1ff55fdc5aa548e3705400d
2016-11-17Fix GSMTAP logging in case direct PHY access is enabledHarald Welte1-2/+2
In the existing code, GSMTAP messages were only generated in case no direct PHY access was being used (i.e. in the case all user traffic goes over the PCU socket). I'm not quite sure what the reason is for that would be and conclud this is not intentional. Let's first send the message to GSMTAP and then decide whether to send it via the direct PHY access or via the PCU socket into the BTS/BSC. Change-Id: I5d2e018f7009cb947abc874881c0c440feca3ade
2016-11-17pcu_l1_if: get rid of magic numbers and use ARRAY_SIZE() for array iterationHarald Welte1-6/+6
Change-Id: I61d00950b4eb0b8bcbaf386d5081be84580dac75
2016-11-14Add BTS level countersMrinal Mishra6-4/+294
Adds counters for MCS blocks, 11 bit Rach counters and others. Change-Id: I605b0d66eb217decd35cbb8f87abfa577760245a
2016-11-11Handle packet access reject during EPDAN/PDAN with channel descriptionaravind sirsikar9-12/+135
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 sirsikar8-68/+520
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
2016-11-09Handle Timing Advance IE properlyMax1-31/+43
Move writing Timing Advance IE and Timing Advance Index into separate functions to simplify adding PTCCH support. This also fixes previous incorrect (and unused) code for writing Packet TA IE which has not set TS for TA. Change-Id: I786bf7fc999d401cc3d9e7f1e7a1fba953b5d458 Related: OS#1545
2016-11-02EGPRS: fix for EPDAN out of windowaravind sirsikar4-37/+134
Fix alignment of EPDAN outside the RLC transmit window, according to 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. Without this fix PCU was dropping the EPDAN message and not updating the status of BSNs which are inside the RLC window. This patch updates the status of the BSNs which are inside the window and ignores the remaining bits. Related: OS#1789 Change-Id: Id07d178970f168f5389016c1eea31eb6b82057b6
2016-11-02Modify return type of gprs_rlc_dl_window::distance to uint16_taravind sirsikar1-2/+2
Since there is a "&mod_sns()" present in this function, the outcome is always unsigned. Change-Id: I66f3db4dc27a6cbef146c832bf8b43f1492358a4
2016-10-30EGPRS: add test case to show EPDAN BSN out of window bugaravind sirsikar3-0/+140
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
2016-10-26Add logging supportMrinal Mishra1-0/+2
This commit adds the TRX_ID in the output of VTY command "show tbf all". Change-Id: Ia5412dddb899e20963f884e02bdf796b6ea7ee6c
2016-10-20jenkins.sh: use osmo-build-dep.sh, output testlogsNeels Hofmeyr1-11/+16
Also make cosmetically similar to the other jenkins.sh scripts in various osmo repositories. Change-Id: I34c19ed7c80aa56bd131f738f37324aed1cd73db
2016-10-19Use qbit-TA to update Timing AdvanceMax5-51/+46
Separate qbit-TA to TA conversion into separate function and use it for computing and updating Timing Advance. Note: the code was tested with TA=0 only to make sure it does not introduce regressions. Change-Id: I96fdbb20b09fb85fdd9fb6dcf3c25f6bee7f80e4 Fixes: OS#1531
2016-10-18Revert "tbf: Add state WAIT_ASSIGN"Neels Hofmeyr5-191/+134
This reverts commit f1a7b8fc6651f92a8b7f3f27b7ca05d07f4e44e0. Conflicts: tests/tbf/TbfTest.err The commit broke GPRS service at least for osmo-bts-sysmo on a SysmoBTS 1002 with current master of osmo-bts (ef30f50d5d6d5f863fc147d05ccdceb89284934e). The error observed is the following log output (was viewing both osmo-bts-sysmo and osmo-pcu logs interleaved): <0002> tbf.cpp:874 TBF(TFI=0 TLLI=0x00000000 DIR=UL STATE=WAIT ASSIGN) T3169 timeout during transsmission <0002> tbf.cpp:893 - Assignment was on CCCH <0002> tbf.cpp:899 - No uplink data received yet <0007> l1sap.c:904 RACH for packet access <0001> pcu_l1_if.cpp:311 RACH request received: sapi=1 qta=0, ra=121, fn=13653 [repeat] When removing this single commit from current osmo-pcu master, GPRS service works well on SysmoBTS, with current osmo-bts master. The TbfTest.err expected output needed adjustment after the revert. Disclaimer: I am not aware of adverse effects this commit may have. I have no idea what the WAIT_ASSIGN state is used for -- further review is required. Change-Id: I1532f8e93194368cdc1e3846f82afa6d68cd5fbd
2016-10-18llc: remove NULL-pointer check of gprs_llc_queue::size()/octets()Alexander Couzens1-2/+2
All callers now check the pointer before calling it. gcc6 is optimizing `if (!this) {CODE}` as this is assumed to never be a std::nullptr here. Change-Id: I918a094e0dc59098a9eb00d152c9ae42d36b3a99
2016-10-18tbf: add llc_queue_size() to check llc_queue is valid before calling size()Alexander Couzens3-6/+15
gcc6 is optimizing if (!this) {CODE} as this is assumed to never be a std::nullptr here. Move the null check to the caller. In preparation of removing the check within llc_queue->size(), all callers must check the object before calling it. Make sure of that: make the llc_queue() access function protected and offer only a public llc_queue_size() function that incorporates the NULL check. All current callers are only interested in the llc_queue_size(). Tweaked-by: nhofmeyr Change-Id: I88cc3180f8f86785e3f07981895dabddf50b60a2
2016-10-17EGPRS: Add EPDAN CRBB Tree based decodingPravin Kumarvel9-15/+787
Implemented tree based algorithm to decode compressed bitmap in EPDAN as described in section 9.1.10 of 3GPP 44.060. This algorithm intends to improve the performance over existing method. New Regression test is added under bitcomp directory. Test case is added to validate decompressed result of the bitmap Present in EPDAN. Test is done for multiple bitmaps of varying length. Invalid inputs are also part of the test vector. Change-Id: Ieae1992ed4b02bb1e09eec2d3de1a030eabd16ce
2016-10-03build: add -WallNeels Hofmeyr1-0/+3
I noticed that unused variables are not complained about by the build. Let's add -Wall. I also noticed that the Makefile.ams include STD_DEFINES_AND_INCLUDES, which is never set in configure.ac, so using that to add -Wall to all build contexts. Change-Id: I16711cf5a1ef8bd611074b3dd486ed7a0ae9df64
2016-10-01configure: check for pkg-config presenceNeels Hofmeyr1-0/+7
Change-Id: Iaaeb2a926fc3832793dfb3f02e4ced2500950997
2016-10-01build: be robust against install-sh files above the root dirNeels Hofmeyr1-0/+3
Explicitly set AC_CONFIG_AUX_DIR. To reproduce the error avoided by this patch: rm install-sh # in case it was already generated. touch ../install-sh # yes, outside this source tree autoreconf -fi This will produce an error like ... configure.ac:16: error: required file '../ltmain.sh' not found configure.ac:5: installing '../missing' src/Makefile.am: installing '../depcomp' autoreconf: automake failed with exit status: 1 See also automake (vim `which automake`) and look for 'sub locate_aux_dir'. Change-Id: Ie9a10f14c5e8c5e9b6ea4910b4b9abb7e70f5e04
2016-09-22heed VTY 'line vty'/'bind' commandNeels Hofmeyr1-1/+2
Like most other osmo-* programs, bind the telnet VTY to the address specified by the 'line vty'/'bind' command. This is added by vty_init(), so until now the PCU offered this config but ignored it. Change-Id: I4cca05a212ec0d493b906014dc3a83e687ebbb1d
2016-09-16Update the function immediate assignment for EGPRSbhargava3-12/+85
Encode the EGPRS fields of immediate assignment message in uplink when EGPRS PACKET CHANNEL REQUEST (11 bit RACH) is received. The series of patches for 11 bit RACH are dependent on libosmocore and osmo-bts patches for 11 bit RACH. Change-Id: Ie5e309156e5dbbb6add74a1b4d257c4ee2332e52
2016-09-16Handle EGPRS 11 bit RACH in osmo-pcubhargava2-11/+84
A function is_single_block is added to get request type of RACH. EGPRS 11 bit RACH is handled. Change-Id: I61d74a32f7764644ed86f7fdf97fa3c2f61503f7
2016-09-15Fix EGPRS DL window calculation during tbf updateAravind Sirsikar3-6/+10
Earlier there was no handling for recalculation of DL window size during tbf update. Which has been fixed in this patch. Related: OS#1808 Change-Id: I41aa807068520460fd665a55e3529e60f6bbb630
2016-09-15tbf_dl: factor out EGPRS DL window size calculationAravind Sirsikar3-14/+24
A subsequent patch needs to call this from gprs_rlcmac_tbf::update(), so to avoid code dup, put the calculation in a separate function. Related: OS#1808 Change-Id: I7c7777d43f843bbd3421503fc2a8600f148ca035
2016-09-15EGPRS: Fix issue with row 4 of Table 10.4.14a.1 of 44.060 version 7.27.0 ↵Aravind Sirsikar5-31/+24
Release 7 row 4 of Table 10.4.14a.1 of Spec 44.060 version 7.27.0 Release 7. Says "The previous RLC data block contains a Upper Layer PDU, or a part of it, that fills precisely the previous data block and for which there is no length indicator in that RLC data block. The current RLC data block contains a Upper Layer PDU that either fills the current RLC data block precisely or continues in the next RLC data block." So when we receive block with 1st LI: value=0 and Value of E bit in the same octet as 1, we expect 2 chunks with 1st chunk as length as 0 and complete and 2nd chunk as length non zero. But with this bug we see only 1 chunk causing incorrect assembling This issue has been fixed in this patch. Related: OS#1811 Change-Id: I2cd0fca3ed28a553ede3f4b8a7d3267284dd2c9b
2016-09-15EGPRS: add test case to show LI decoding bugAravind Sirsikar4-0/+289
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
2016-09-14DL TS allocation: add test case to show TS allocation bug for 2nd DL TBFAravind Sirsikar2-0/+54
This patch adds a test case test_2_consecutive_dl_tbfs which expects a current bug with TS allocation for 2nd DL TBF. The test's expectation is corrected along with the bug fix in a subsequent commit Related: OS#1792 Change-Id: I890e4fbb2b64037e051433e70082a197e2a929a6
2016-09-14Fix CSN1 decoding: CSN_LEFT_ALIGNED_VAR_BMP boundsNeels Hofmeyr2-12/+6
Fix attempted read past vector boundaries in case of a starting bit offset != 0, so that the last amount of bits read should be < 8. In the case of CSN_LEFT_ALIGNED_VAR_BMP, the mod-8 calculation was flawed, and in the final step, 8 bits were read instead of the remainder < 8. This lead to -EINVAL being returned by bitvec_get_bit_pos() and bogus resulting data. Instead, read 8 bits only as long as at least 8 bits remain, and read any remaining bits < 8 in a final step. Drop unneeded nB1 variable and an obvious comment. Adjust the unit test assertion in testCsnLeftAlignedVarBmpBounds() in RLCMACTest.cpp. Based on a fix by Aravind Sirsikar <Arvind.Sirsikar@radisys.com>, but implemented differently. Related: OS#1805 Change-Id: I490498c8da6b531f54acb673379379f7b10907c0
2016-09-14CSN1 decoding: add test to show bug in CSN_LEFT_ALIGNED_VAR_BMPAravind Sirsikar1-1/+22
CSN1 decoding currently contains an attempted read past vector boundaries in case of a starting bit offset != 0, so that the last amount of bits read should be < 8. In the case of CSN_LEFT_ALIGNED_VAR_BMP, the mod-8 calculation is flawed, and in what should be the final step of reading n < 8 bits, 8 bits are read instead of n (with an extraneous read of n bits following after that). This leads to -EINVAL being returned by bitvec_get_bit_pos() and bogus resulting data. Add testCsnLeftAlignedVarBmpBounds() in RLCMACTest.cpp to show and expect this bug. The test's expectation shall be corrected along with the bug fix in a subsequent commit. Related: OS#1805 Tweaked-by: Neels Hofmeyr <nhofmeyr@sysmocom.de> Change-Id: I4641f5d1d49f66cb1a5cd813befb3a2a266001b0
2016-09-12TBF flow: unit test compilation error fixAravind Sirsikar1-35/+39
The test failure was introduced by 9bbe1600cc02e1b538380393edb1dcdabe9247a2 "Fix Timing Advance handling": between patch build checking and patch submission, a new section was added to TbfTest.cpp which also needs adjustment. Tweaked-by: Neels Hofmeyr <nhofmeyr@sysmocom.de> Change-Id: If077da5f21fd5cba54556f1dead05a1bc4ea5540
2016-09-09Fix Timing Advance handlingMax7-86/+121
* initialize with invalid TA instead of making assumption that phone is located within 550 meters (TA=0) * only set valid TA Change-Id: Idfc40ff0c11bdac13d9e28fbfa4e95dfc6b735b0 Related: OS#1526
2016-09-06LC15: Change TRX numbering for the latest Litecell15 hardwareMinh-Quang Nguyen1-2/+2
Change-Id: If3c4aff0366587dd3e5baa3d15b9e91d8ebe7753
2016-09-02Fix GPRS PUAN encoding: wrong BSN statusAravind Sirsikar2-4/+3
Earlier there was an incorrect encoding of BSN status in GPRS PUAN message. This was a bottle neck for GPRS performance testing for UL. Which has been fixed in this patch. Related: OS#1806 Change-Id: I98e586aa5cb9200cf03e092556304211d4d459aa
2016-09-02GPRS: PUAN encoding: add test case to show wrong BSNs statusAravind Sirsikar1-0/+18
This patch adds a test case which expects a current bug with GPRS PUAN encoding. The test's expectation is corrected along with the bug fix in a subsequent commit Related: OS#1806 Change-Id: Ied0f1dd3037d8fac6a772f4e097defb72634f955
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