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764 Commits (5759d396d47707a4ade85a5c05c0eb294b020752)

Author SHA1 Message Date
Francisco 822e26b63f implemented circular buffer-based queue 4 years ago
Andre Puschmann 83f24fbf77 rlc_am_test: fix max_retx test 
the test should only check the correct signaling of the maxretx
to the upper layer.
 4 years ago
Andre Puschmann 9f627911df rlc_am_{control}_test: extend status PDU test 4 years ago
Andre Puschmann fa23be4d6d rlc_stress_test: fix SDU generation 
the PDCP SN was used to fill the SDU with data. But since
the max value isn't devisable by 256 it didn't always increment
correctly. Use a normal byte now that wraps correctly.
 4 years ago
Andre Puschmann 5e345df439 rlc_stress_test: make pedantic operation the default 
among cleaning up the the stress test, it does:
* remove optional pedantic flag and make it the default to catch resegmentation issues
* use random SDU and MAC grant size the default
* use factory functions to create RLC configs (make maxretx configurable)
* remove reestablishment and print error when maxRetx is triggered
* fix NR PCAP usage and removes PCAP ifdef
 4 years ago
Andre Puschmann 1a59f2d5ba rlc_am_test: extend header reconstruction test 
this patch adds various new test cases generated from
rlc_stress_test to test header reconstruction.
 4 years ago
Pedro Alvarez 7b23a83306 Fixup tests to consider wrap-around in status report 4 years ago
Pedro Alvarez c4e9516561 Fix issue when LMS wraps-around and FMS doesn't in PDCP status report. Fix incorrect update of FMS on clear_sdu. Adding unit test to LMS wrap-around. 4 years ago
David Rupprecht 894e4d3501 Added mac pcap network class that dumps the packets to a udp network sink 4 years ago
David Rupprecht 5a95cbdfae Disable rat assignment in pcap class 4 years ago
Xavier Arteaga 1e55d68b55 Removed set RNTI from API 4 years ago
Pedro Alvarez 4011714664 Fix errors in RLC stress tests due to PDCP SN wrap-around 4 years ago
Francisco 4b09507c19 remove srslte.h includes from upper layers 4 years ago
Francisco b329e25bbb move ue phy interfaces to separate interfaces header file 4 years ago
Francisco b8bd869d0f move ue rlc interfaces to separate interfaces header file 4 years ago
Francisco a988351f46 move ue pdcp interfaces to separate interfaces header file 4 years ago
Francisco ea04104e8e move ue gw interfaces to separate interfaces header file 4 years ago
Francisco f610a7b83d Change background worker pool to become a global variable 
Allocate rrc::ue objects in batches in the background worker pool
 4 years ago
Andre Puschmann c0a1b0efa3 rlc_am_test: add TC to check RLC AM drops PDU if max retx have been reached 4 years ago
David Rupprecht fc9d5befda Remove header test case 4 years ago
Andre Puschmann 5e93a6f5bd rlc_um_nr_pdu_test: add 12bit SN unpack test 4 years ago
David Rupprecht 0f1586dd2d Deleted all HAVE_5GNR in CC and h files 
CMakeList and travis yaml
 4 years ago
Pedro Alvarez d8f3878ce1
RLC failure to deliver notifications and discard timer limits to 1500ms (#2368) 
* Added interfaces for the RLC to notify the PDCP of failure to transmit
SDU

* Limit discard timer to 1500ms, to avoid issues of lingering SDUs in the undeliverd_sdus_queue.

* Fix bug in early exit of notify_delivery and notify_failure

* fix compilation issue in rlc-pdcp notification

Co-authored-by: Francisco <francisco.paisana@softwareradiosystems.com>
 4 years ago
Pedro Alvarez 24d5b9071c Fix issue with status report test config 4 years ago
David Rupprecht 876858b44c Added mac nr prach common config convert function with test case 4 years ago
David Rupprecht b19cbdde23 Added test case for testing the decoding of cell group config 4 years ago
Xavier Arteaga 784a33583b SRSUE: Initial NR MAC-PHY interfaces 
SRSUE Fix compilation

SRSUE: temporary fixes LTE/NR PHY/Stack interface problem

fix

fix
 4 years ago
Pedro Alvarez 89a23cec7e Added statusReportRequired to the PDCP entity config. 4 years ago
Pedro Alvarez 2ed8dceddf Use TX_COUNT in RLC AM stress test. Avoids issue with re-using SNs within the test 4 years ago
Pedro Alvarez f89b644902 Added function to get control pdu type to the PDCP base class. Shorten logger name in PDCP Status report test. 4 years ago
Pedro Alvarez 9bc08af880 - Added ability to the PDCP LTE entity to send PDCP Status report. 
- Added handling of PDCP status report to the PDCP LTE entity.
- Added test to the generation and handling of PDCP status report.
 4 years ago
Francisco Paisana 5e48327eca fix valgrind memcheck warnings in rlc_am_test 4 years ago
Francisco dc4283c572 added cmake functions as helpers to set labels in ctests 4 years ago
Pedro Alvarez 492ea2a5a8 Addressing reviewers comments to #2290. 
Removing unecessary \n for logs and changed log of PDCP info queue
 capacity to debug to avoid log spam.
Changed log level for unhandled S1AP messages from error to warning
 in EPC to avoid failing tests because of error message.
Changed usage of allocate_unique_buffer to make_unique_buffer()
 4 years ago
Pedro Alvarez fcaaf72187 Starting to add discard functionality to PDCP LTE entity. 
This includes:
  - Adding a queue (implemented with std::map) for undelivered PDUs.
    This queue uses the SN used for TX as the key.
  - Added discard timer that is started upon reception of the SDU. Upon
    expiry of the timeout a discard callback removes undelivered PDUs
from the queue.
  - Added the mechanisms to the notify_delivery to remove PDUs from the
    undelivered queue when the PDU is ACK'ed.
  - Added test case for both timer expiry and acknowledgment.
  - Fix up the getter for buffered SDUs to return the undelivered SDUs
  - Changed default PDCP discard timer, so AM has a discard timer by
    default.
 4 years ago
faluco 57f66febfc Ported the RLC classes to srslog in the lib dir. 4 years ago
faluco f424f2e113 - Upgraded PDCP classes in lib to use srslog. 
- Update tests to new changes.
 4 years ago
faluco 9d15a44c73
Port lib/phy to srslog (#2298) 
* - Ported the channel class to srslog.
- Removed all newlines of log messages in lib/phy.

* Remove more newlines that use the C debug macros.
 4 years ago
Andre Puschmann 01acf95566 mac_rar_pdu_nr: update public interface to make it easier to access 
* provide all subPDUs as const vector&
* return UL grant directly
 4 years ago
Francisco 3265d940ec remove byte buffer pool cached member variables as they are unnecessary now. 4 years ago
Francisco 04ab4eefcd use new make_byte_buffer() helper method to create unique_byte_buffers 4 years ago
Francisco 8a9c326bcb remove old direct uses of byte_buffer_pool 4 years ago
Francisco 1e2153769e remove byte buffer pool cleanup method and unnecessary mutexes 4 years ago
Andre Puschmann 30216fe1fc mac_pdu_nr_test: add packing test for UL-SCH PDU with CRNTI, PHR and SBSR 4 years ago
Andre Puschmann 4ca43c6804 mac_sch_pdu_nr: add unpacking helpers for CRNTI, SBSR and PHR CEs 
* unpackers for CEs
* testcase with TV
 4 years ago
Xavier Arteaga a19671802e Added SRSUE NR-PUSCH initial procedures 4 years ago
Pedro Alvarez 7b25eac47c Fix race condition in rlc_am_stress test and other fixes related to this 
test. The race condition was being cause by write_sdu being called
simultanously to read_pdu, which could cause the read_pdu to try to get
the SDU info before it had been written by the write_sdu.

Changes in this commit include:
 - Make sure PDCP sn in included in RLC AM stress test.
 - Stop handling control PDU when TX is not enabled in RLC AM.
 - Fixed issue with length of the PDCP SN in rlc_stress_test.
 - Moved the place were sdu info erase was called to avoid double calls to erase
 - Tentative fix for race condition in rlc_am_stress test.
 - Added function to print information about undelivered_sdu_info_queue
   for debugging.
 4 years ago
Pedro Alvarez d0ef6ce00b Fix typos and bad comments in rlc_am_lte.cc and rlc_am_test.cc 
Added checks for the nack_sn in the status reports of the rlc_am_test.
 4 years ago
Pedro Alvarez 24db20bcca Removed some unused variables after changing method of tracking notifications. Removed rlc_am_notify_pdcp test file. Testing is now in rlc_am_test.cc 4 years ago
Pedro Alvarez 6c071a784c Changed notification mechanisms to use map of acked SNs instead of acked bytes. 
This was required due to an issue where bytes were counted twice when a
packet had been lost.
 4 years ago
Pedro Alvarez 649d642776 Moved notification tests from rlc_am_notify_pdcp_test.cc to rlc_am_test.cc. 
This added some tests to resegmentation.
 4 years ago
Pedro Alvarez de669d214a Fix test header and queue_capacity check in RLC notifications. 
Also, remove unecessary nullptr initializaion and fixup some newlines.
 4 years ago
Pedro Alvarez de90b4753f Added the ability of the RLC AM to notify the PDCP of the acknowledged 
PDCP PDUs. This includes:

- Modifying the byte_buffer_t to include PDCP SN meta-data. This way,
  the RLC can keep track of the ack'ed bytes for a specific PDCP PDU.
- Added in the RLC an `undelivered_sdu_info queue`, to keep track of the
  amount of ack'ed bytes and the total size of the PDCP PDU,
  so the RLC can know when delivery is finished.
- Added an interface between the PDCP and the RLC so that the RLC can
  notify the PDCP when it receives an ack from the status PDUs. The RLC
  passes to the PDCP a vector of all the ack'ed pdus in a rx'ed status PDU.
- Added some tests to the notify functionality. This includes some tests
  where the PDUs are acked imediatly, and one test where the PDU is
  retx'ed.
 4 years ago
faluco 821925a273 - Upgrade to srslog the loggers in lib/mac. 
- Adapted users of these classes and tests.
 4 years ago
Andre Puschmann 8e13f04684 mac_pcap: refactor MAC PCAP and include NR RAT into same object 
after adding the thread-safe PCAP writer functionality to the EUTRA
MAC object it became clear that we don't wont to replicate the
same for the NR object.

This patch therefore refactors the class that now supports both EUTRA and
NR rats. The old mac_nr_pcap.[h/cc] has been deleted. All test-cases
and usages now use the new object that needs to pass the RAT type in
the ctor.

this patch addresses the last open point of #2160
 4 years ago
faluco b014233662 - Port time related classes to srslog. 
- Adapt tti_point_test to srslog.
 4 years ago
faluco 1a5799a6ca - Replace loggers is network utils. 
- Adapt tests that use network utils and callers.
 4 years ago
faluco 79eca0980d - Ported fsm.h to srslog. 
- Adapted and removed old loggers in tests and code that used fsm.h
 4 years ago
Xavier Arteaga 2421f2cd99 Multiple PHY fixes and NR-PHY configuration refactor 4 years ago
Xavier Arteaga b652cd68a5 Refactored NR PHY configuration to accept multiple CORESETs/SearchSpaces 4 years ago
faluco 806268f6cf
Por asn1 code in lib directory to srslog (#2253) 
* Match hex dump indentation with srslog.

* Port asn1 utils to use srslog. Converted logging functions from taking varargs to variadic template functions.

* Remove trailing new lines in log lines from asn1 utils.

* First round of upgrades to srslog to asn1 tests.

* Second round of porting asn1 tests to srslog.
 4 years ago
Andre Puschmann f88943653b mac: implement MAC RAR PDU unpacking for NR 
* add class for mac_rar_pdu_nr
* extend test case
 4 years ago
Andre Puschmann da9e3363f1 mac_pdu_nr: rename MAC PDU class for NR to adhere naming conventions 
* mainly to have _nr as trailing name for filename and class
* also add "sch" to class and filename (RAR PDU will have extra class)
 4 years ago
faluco 711438f756
Port enb specific classes to use srslog (#2155) 
* - Started porting the enb PHY layer to use srslog loggers.
- Updated srslog to manage the none level.

* Finished porting enb phy layer including the NR part.

* Ported MAC, GTPU, PDCP, RLC and S1AP enb classes to use srslog.

* Use new stack logger.

* Ported the enb RRC clases to use srslog.

* Remove unused log macros.

* Replace loggers in sched, sched_carrier, sched_helpers.

* Replaced loggers in sched grid.

* Replaced loggers in sched harq.

* Replaced loggers in sched ue.

* Replaced loggers in sched ue ctrl.

* Replace loggers in sched ue ctrl TPC.

* Replaced loggers in sched subclasses.

* Replaced loggers in rrc_meascfg_test

* Configure loggers in rrc_mobility_test.

* Fix compilation errors left out after the rebase.

* - Implement a custom log sink that will serve as a test spy to intercept and count the number of error and warning log entries.
- Adapt the erab_test_setup and rrc_mobility tests to use this new class and make them pass again.

* - Remove trailing new lines introduced in the rebase.
- Ported the sched_ue_cell class to srslog.

* Remove unused log member.

* Ported mac tests to srslog.

* - Removed remaining trailing newlines from log entries.

* Fix compiler errors detected in CI.

* Fix another static variable without definition passed to log lines.

* Fixed a bug in srslog::flush that would never end when the backend queue is full.

* Fetch the RRC logger instead of injecting it in the constructor.
 4 years ago
David Rupprecht 306bb6b38b Added function for derive keys 4 years ago
David Rupprecht a6046ca875 Added funcs for asn flat config RLC and PDCP 4 years ago
David Rupprecht 145528ad32 Added unpacking test for RRC reconfig 4 years ago
David Rupprecht 99c3aa9ba2 Refactor assert to TESTASSERT in unit test 4 years ago
Pedro Alvarez 350e90a030 Make RLC retransmissions deterministic. It was creating unpredictablity 
in the RLC AM tests. See issue #2228
 4 years ago
Pedro Alvarez 6ca8bc12ec Fix wrong SN in RLC status PDU when packet is dropped. 4 years ago
Ismael Gomez a6423442c2
Refactor NR RA files and fix header includes all over library (#2162) 
* Refactor NR resource allocation classes. Use DCI instead of grant for dummy PDSCH UE/eNB test

* Minor refactors in NR workers and ue_dl

* Fix include issues

* fix compilation issues
 4 years ago
Andre Puschmann 10da7df194 pdu_test: add TC with malformed RAR PDU 
a malformed RAR PDU should not be decoded further if the payload
indicates a length beyond the actual PDU size.
 4 years ago
Francisco Paisana f8b7351e1b implementation of object memory pool via class-specific operator new/delete 4 years ago
Francisco Paisana e96b8c263a add mem pool test. fix mem pool leak bug 4 years ago
Andre Puschmann 4fa89b7039 pcap: make PCAP write thread-safe 
* offload PCAP writing to background thread
* use blocking_queue between writer and clients to make it thread-safe
* add basic test case

this fixes point 1-3 of #2161
 4 years ago
Xavier Arteaga b3200d9ef5 Renaming common UL/DL DMRS related types and initial NR PUSCH implementation 4 years ago
Xavier Arteaga 13443c3f8c Added number of DMRS CDM groups without data to NR grant 4 years ago
Francisco Paisana 74ffe393c6 asn1 update: s1ap asn1 is now v16.1 (2020-03) 4 years ago
Francisco Paisana 66aa34d173 update RRC NR ASN1 to 2020-09 v15.11 4 years ago
Andre Puschmann d5daf60773 pdu_test: add unpacking test for DL-SCH PDU containing TA command 4 years ago
Francisco Paisana e27c0869e5 update RRC ASN1 to 2020-09 v15.11 4 years ago
Andre Puschmann bc4c9606ce rlc_am: add extended bearer metrics 
this patch adds support for measuring the:
* SDU rx latency (Average time in ms from first RLC segment to full SDU)
* amount of buffered bytes (sum of payload of PDUs buffered in rx_window)

the implementation is using std::chrono
 4 years ago
David Rupprecht 826dd32c89 Rename meas_cell to meas_cell_eutra 
Added meas_cell_nr class

Make meas_cell list as template class

Inheritance rrc_cell to meas_cell_nr
Added process_new_cell_meas_nr function
 4 years ago
faluco f23fdf0639 Include missing files. 4 years ago
faluco 98a2c868b5 Update srslog to latest version. 4 years ago
Francisco b86d2ab7d0 move choice_type to adt folder 4 years ago
Andre Puschmann c0883291f6 rlc: pass TTI to get_metrics to calculate "real" LTE rx/tx rate 
when retrieving the RLC metrics, the number of TTIs since the last
call are passed. This allows to calculate the actual rate
based on the LTE timing rather than only the system timing.
 4 years ago
Francisco b41fc96d6d fix asn1 integer packing for integer values whose length is equal or above 32 bits 4 years ago
Pedro Alvarez 38206bea69 Fixed RLC AM fixed header size in get_buffer_state function. Fixed RLC AM tests accordingly. 4 years ago
Francisco 5cce2e4dc7 extension of bounded_vector unit test and fix of compilation issues 
- now bounded_vector::resize(N) works for move-only types
- bounded_vector assertions now print error messages
- fixed move ctor/assignment of bounded_vector
- created a unit test for bounded_vectors of move-only types
 4 years ago
Francisco fc451f17f0 implementation of bounded_vector and respective unit test 4 years ago
Xavier Arteaga 788ed5ce70 Corrected PDCCH SEGFAULT 4 years ago
Xavier Arteaga e07cf513d0 Improved NR blind search and DL test 4 years ago
Xavier Arteaga c635b1e467 Initial NR DCI blind-search 4 years ago
Andre Puschmann 47c5f9e85b remove AGPL header from remaining cpp files 
* also add commercial header to come CMake helpers
 4 years ago
Xavier Arteaga f9643843a0 SRSENB/UE Fixed NR workers 4 years ago
Xavier Arteaga ac930003be SRSUE: Integrated NR workers 4 years ago
Xavier Arteaga eed9405e40 Moved NR MAX MIMO layers to carrier 4 years ago
Andre Puschmann 07d2bc4fe8 change license header to agnostic version with hint to root LICENSE file 4 years ago
Francisco 66712023bb remove unneeded includes of full rrc asn1 lib 4 years ago
Xavier Arteaga 0396ebae17 Fix UE/ENB DL NR 4 years ago
Xavier Arteaga 8de2870788 Added NR ue_dl, enb_dl and test 4 years ago
Andre Puschmann e227fec3d8 pdu_test: add rigerous test for LBSR content 
* make sure upper and lower edges of Table 6.1.3.1-1 in 36.321 are correct
* fix existing BSR test vectors (verified with Wireshark)
 4 years ago
Andre Puschmann f155b7a5d5 rlc: fix stopping of poll retx timer (#2006) 
* rlc_am: add TC for pollRetx timer handling

* rlc_am: fix stopping of pollRetx timer

stopping the pollRetx timer when receiving a status PDU
without checking the acknowledged PDUs is wrong.

if an ACK for another PDU, for which the polling bit has been set,
is still pending, it won't be rescheduled until another
PDU is transmitted that again starts the pollRetx timer.

this fixes the issue with missing RLC AM segment retx in #1992,
and #2003
 4 years ago
Francisco Paisana 510959b50f update nr asn1 files, and asn1 tests 4 years ago
David Rupprecht 387a84ff84 Updated missing byte 4 years ago
David Rupprecht b85cb614aa Added test cases for asn1 decoding lib from pcap 4 years ago
Francisco Paisana c7697b62a6 fix asn1_utils_test. arrays used for equal comparison where not being initialized. 4 years ago
Francisco Paisana 698af97ec4 updated asn1 utils to account for conversion from 0 to bitstring. Added asn1 utils test to repository. 4 years ago
Andre Puschmann 48e7734188 phy_dl_test: fix uninit var 4 years ago
Pedro Alvarez b43e724b4c Remove packing/unpacking code for M2AP. 4 years ago
faluco 51b27fc255
Import latest srslog version (#1796) 
* - Import latest srslog version.
- Adjusted the nas_test to create logs correctly.
- Remove timestamp formatting now that is provided by srslog.
 4 years ago
Andre Puschmann 58ce9d3959 pdcp: adding basic test to check if control PDUs are handled correctly 
use a 3 B long status PDU to check if its dropped from the rx'ing entity
 4 years ago
faluco f0d651ae8e - Fixed a leak in the MME class not releasing the static byte buffer pool. 
- Now the pool gets destroyed on program exit using a unique_ptr.
- Removed manual cleanup() calls in all the code base to free the pool instance.
 4 years ago
Andre Puschmann d48bc8837e pdu: refactor MAC PDU class 
this patch refactors the MAC PDU class, the main changes are:

* add to_string() method to pretty print PDU and subheaders
  This allows to have a single log entry per MAC PDU with all its
  contents.
  It removes the C-style fprint() method

* Simplity payload vs. w_payload_ce
  Before we've used payload when reading the PDU and w_payload_ce
  as a buffer when writing. In all getters we needed to differentiate
  between both. Now payload points to w_payload_ce initially and is
  only updated when parsing a new PDU.

* add various helpers, e.g. to get subheader index, update a BSR, ..

* fix PDU test to use new to_string() method
 4 years ago
Ismael Gomez 54eed11e1d Refactor decision for extended CSI/SRS 4 years ago
Ismael Gomez e2154d2213 Renamed constants to SRSLTE and use SRSLTE_CFI macros 4 years ago
Andre Puschmann 96c911752c pdu: add test case for issue #1649 
testcase checks the correct handling of the remaining PDU space
when a long BSR is added but no space is left in PDU to fit it
 4 years ago
Francisco Paisana 834c0b3929 integrated new observer pattern into phy controller fsm 4 years ago
Francisco Paisana b2313e3631 observer pattern classes. Allows auto and explicit dispatch, and specifying which trigger method to use of an observer. 4 years ago
Francisco Paisana 7cd4f45d62 fsm refactor. 
- avoid triggering directly a subfsm
- improved metafunctions
- other cleanups
 4 years ago
Francisco Paisana 9146e6ddf1 change method name to resize intervals 4 years ago
Francisco Paisana 4457bbda7e added new asserts to interval interface 4 years ago
Francisco Paisana 8b174ce2f4 changed interval interface to disallow interval::stop < interval::start via an assertion 4 years ago
Francisco Paisana c1755727d7 changed interval method names, and added comments and assertions 4 years ago
Francisco Paisana 20b69fb22e substitution of ul_alloc_t for prb_interval 4 years ago
Francisco Paisana 857cc141c7 fix macro checking for exceptions, added missing includes, fixed bounded bitset methods' noexcept specifiers 4 years ago
Francisco Paisana cceeff10de moved expected, bounded_bitset, move_callback to adt folder. created a test for bitset 4 years ago
Francisco Paisana caf862c99f moved expected, bounded_bitset, move_callback to adt folder. created a test for bitset 4 years ago
faluco 072e84cec8 - Simplified the usage of span now with implicit constructors as it should be. 
- Added overload for generic containers that have size and data members like vector.
- Removed unnecessary uses of make_span.
 4 years ago
faluco 158edd4fe7 Removed init list constructor test. 4 years ago
faluco af8dfcf19c Extended a bit the span implementation with the following changes: 
- Documented methods and class.
- Adapted interface to the latest standard: no init list and generic container constructors, new iterator pair ctor.
- Implemented some SFINAE for managing conversions in constructors.
- Re-organised some methods to be grouped by category (modifiers, observers, iterators, ...).
- Added convenience make_span functions.
- Added some more  asserts.
- Adapted test to use some syntax that was modified.
 4 years ago
Francisco Paisana 76a62909c1 use of span type for universal array views 4 years ago
Francisco Paisana a9d882c1f1 fix task_scheduler_test. Fix potential reference invalidation in task_scheduler internal tasks data structure 4 years ago
Francisco Paisana 9d877e55b3 add test for when scope exit lambda is an lvalue 4 years ago
Francisco Paisana 0f67bee556 creation of a scope exit standalone file. Created a new folder ADT. Added test for scope exit. 4 years ago
faluco cfd3f51931
Import of srslog into srsepc and srsenb. (#1574) 
* - Import of srslog into srsepc and srsenb.
* - Removed logger_file and logger_stdout files.
 4 years ago
faluco efdff8ba4c
Import srslog into srsue (#1556) 
- Import the srslog project into srslte.
- Ported srsue app to use the new logging framework.
- Implemented a wrapper that dispatches log entries to srslog.
- Renamed an existing log test to be more specific to avoid name clashes.
 4 years ago
Andre Puschmann c8b4ba885b rename rlc_tx_queue to byte_buffer_queue 
this data structure will be used by the PDCP layer as well.
 4 years ago
Andre Puschmann a7911f0dab pdcp,rlc: refactor SDU queueing policy 
this patch refactors the SDU queuing and dropping policy of the RLC and PDCP layer.
the previous design had issues when packets have been generated at a higher
rate above the PDCP than they could be consumed below the RLC.

When the RLC SDU queues were full, we allowed two policies, one to block on the write
and the other to drop the SDU. Both options are not ideal because they either
lead to a blocking stack thread or to lost PDCP PDUs.

To avoid this, this patch makes the following changes:

* PDCP monitors RLC's SDU queue and drops packets on its north-bound SAP if queues are full
  * a new method sdu_queue_is_full() has been added to the RLC interface for PDCP
* remove blocking write from pdcp and rlc write_sdu() interface
  * all writes into queues need to be non-blocking
  * if Tx queues are overflowing, SDUs are dropped above PDCP, not RLC
* log warning if RLC still needs to drop SDUs
  * this case should be avoided with the monitoring mechanism
 4 years ago
Francisco Paisana 7c364070ee creation of task scheduler interface for classes/functions running outside the main control thread 4 years ago
Francisco Paisana 1a9c04bf2f use of task scheduler handle in pdcp 4 years ago
Francisco Paisana 4f5e65781f created task scheduler class to deal with timers, thread pool, multiqueue, internal tasks 4 years ago
Andre Puschmann 2749c870e3 rlc_am: refactor control test 
* move both tests into own functions and call those in main()
* use common test header and macros
 4 years ago
Andre Puschmann 58e255cb63 pdu_test: add unit test to verify correct packing of 3B PDU with Short BSR 4 years ago
Andre Puschmann 5589816690 pdu_test: fix PCAP output 
API now requires to pass CC index
 4 years ago
Francisco Paisana e550bf726d updated fsm to allow enter methods to receive event that caused them 4 years ago
Francisco Paisana 84f34bc736 changed to a label filtering approach for ctest 4 years ago
Francisco Paisana ebb8f18000 set some extra tests with the prefix "long_" 4 years ago
Andre Puschmann a3d7d4517c rlc_um: add dedicated unit test for the PDU packing bug 
Here is the test output with the fix disabled:

13:47:42.679774 [RLC_UM_1] [D] MAC opportunity - 14 bytes
13:47:42.679784 [RLC_UM_1] [D] pdu_space=14, head_len=2
13:47:42.679790 [RLC_UM_1] [D]  adding new SDU segment - 10 bytes of 10 remaining
13:47:42.679834 [RLC_UM_1] [D]  Complete SDU scheduled for tx. Stack latency: 0 us
13:47:42.679909 [RLC_UM_1] [D] pdu_space=4, head_len=2
13:47:42.679922 [RLC_UM_1] [D]  adding new SDU segment - 0 bytes of 10 remaining
13:47:42.679928 [RLC_UM_1] [I]  Tx PDU SN=0 (14 B)
13:47:42.679974 [RLC_UM_1] [D]  vt_us = 1

The test checks the correct packing and of the two PDUs at the end.
 4 years ago
Andre Puschmann df50dd7d3c rlc: extend RLC metrics 
extend RLC metrics to count Rx/Tx PDUs/SDUs bytes/#
 4 years ago
Andre Puschmann 48db31c5cf rlc_stress_test: fix random PDU dropping 
the rand() was sometimes giving NaN so this case needs to be handled
and the PDU not dropped to have real zero drop-rate
 4 years ago
Andre Puschmann fc3cd24177 rlc_um: fix counting of lost PDUs 
* change try_push() return value to indicate whether the addition
  of the SDU to the tx queue was successful or not
* count lost PDUs
 4 years ago
Andre Puschmann 96726a03e0 rlc_stress_test: fix PCAP support 
expose actual RLC configuration to PCAP object
 4 years ago
Andre Puschmann 1c7bfde404 rlc_stress_test: fix compilation with PCAP enabled 4 years ago
Francisco Paisana e3e9bbcd62 fix PNF PDU size cutting 4 years ago
Francisco Paisana a0606669e2 fix ue nr gw initialization 4 years ago
Francisco Paisana e6418b4b39 fix variable naming 4 years ago
Francisco Paisana 1d07258458 created pnf bridge executable 4 years ago
Francisco Paisana f0874b780b add radio_base/null classes 4 years ago
Francisco Paisana 64e8f5e3ed update license year 4 years ago
Pedro Alvarez 9c1a7d2cf1 Removed get_bearer_status in PDCP. Renamed get_state/set_state to 
get_bearer_state/set_bearer_state.
 4 years ago
Pedro Alvarez 208a539499 Split PDCP tx_count state variable into tx_hfn and next_pdcp_tx_sn 
variables.
 4 years ago
Pedro Alvarez 08578a7331 Switched to use a struct to hold the PDCP entity state variables. Deleted some unecessary setters. 4 years ago
Andre Puschmann 1f73e6ae69 multiqueue: add option to create queue with non-default capacity 
this allows to create a queue that has a non-default capacity
currently this is 8192, but the value might now be suitable in some
cases like for TTI sync events
 4 years ago
Francisco Paisana 27e5d98ef9 added vnf phy nr 4 years ago
Francisco Paisana b05ce2fe57 added pnf_dummy test 4 years ago
Francisco Paisana 8a022fb35b fix noexcept declaration issue in gcc4.8 4 years ago
Francisco Paisana 6509399ed3 fix for move-only events 4 years ago
Francisco Paisana 12dda03bb8 add ability for fsms to self-trigger 4 years ago
Xavier Arteaga 039f2164a6 Initial Sounding Reference Signals implementation 4 years ago
Francisco Paisana edba7f57e4 corrected mac_nr_pdu includes 5 years ago
Francisco Paisana b4b5cd7cd6 added nr gnb and ue interfaces 5 years ago
Francisco Paisana a2b76a4a5f use references rather than pointers 5 years ago
Francisco Paisana a88bffa5d5 created expected type and respective test 5 years ago
Francisco Paisana cf9d31ea64 fix coverity warning for useless call 5 years ago
Francisco Paisana 2204cab4c8 old gcc version cannot support the detected pattern. Removing it 5 years ago
Francisco Paisana e3d0b1c89e format missing fsm table 5 years ago
Francisco Paisana f4d19a6d44 added fsm table formmatting comments 5 years ago
Francisco Paisana 3ef8c67d67 enter/exit are now inside the state class. No need for friend classes anymore 5 years ago
Francisco Paisana 9b48130ae1 use of transition table to support guards in fsms 5 years ago
Francisco Paisana 04e192eb0f redesign fsm to use transition table 5 years ago
Francisco Paisana e79fc9bf08 fixed generation of ie containers of one single ie object 5 years ago
Xavier Arteaga d94078d543 Minor changes 
Fix UE sequence generation

minor change
 5 years ago
Xavier Arteaga 9d0a3268e8 Added DL channel estimator algorithm options 5 years ago
Andre Puschmann 39680ffd26 rrc_asn1_decoder: fix uninit var 5 years ago
Francisco Paisana 1c74c5675e remove ambiguous enter/exit template method 5 years ago
Francisco Paisana e1ac6d7cfe use macro to disable throw 5 years ago
David Rupprecht 4e283ec942 Standalone decoders for nas and rrc in asn1 test. Thanks Dirk 5 years ago
Andre Puschmann 5d92111586 pcap: adding SL-SCH support 5 years ago
Francisco Paisana b506e29b72 removed common ce_typeenum 5 years ago
Francisco Paisana 6ddedd5972 moved pdu to common mac folder 5 years ago
Francisco Paisana df0da116ce removed enter state visitor, and srslte::same_state return special case in fsms 5 years ago
Francisco Paisana 63142899d1 simplified some of the fsm sfinae conditions 5 years ago
Francisco Paisana 6322e447e9 fixed issue with subfsm revisits not starting in initial substate 5 years ago
Francisco Paisana d40dcd28f3 removed uneeded swap method 5 years ago
Francisco Paisana b5abba41a3 use normal polymorphism to create vtable 5 years ago
Francisco Paisana e2b10307ea changed inplace_task name to move_callback 5 years ago
Francisco Paisana ee50ed08c2 allow inplace task to be called in const contexts 5 years ago
Francisco Paisana ef834b3c60 changed inplace_task file name 5 years ago
Francisco Paisana a6b7c5d1d2 inplace task now uses small buffer optimization for bigger captures 5 years ago
Francisco Paisana 4b2b76cf01 created inplace task to avoid mallocs in task enqueuing 5 years ago
Andre Puschmann ba4d0aa860 remove blacklisted ARM PHY tests 
issue causing decoding failure for QAM256 are fixed now so blacklist can go away
 5 years ago
Xavier Arteaga 71476d1079 Minor phy_dl_test modification 5 years ago
Francisco Paisana 4ac07e5abb simplified power off state transition 5 years ago
Francisco Paisana ff988127fe wrote nas fsm test 5 years ago
Francisco Paisana 977a1acc5e eliminated unhandled_event special function. Use react instead. 5 years ago
Francisco Paisana 6e34dadce2 reverted back to tuples to store fsm state_list 5 years ago
Francisco Paisana 4036a6887a clean up enter/exit state methods 5 years ago
Francisco Paisana 8d3427e88a removed namespacing from state printing 5 years ago
Francisco Paisana b699e0e490 enter/exit moved outside of the states, into the fsm. Now i just use the type_name function to get a state name 5 years ago
Francisco Paisana 4a4827a603 created a method to detect unhandled events 5 years ago
Francisco Paisana ec3ef4474e created a simple procedure fsm 5 years ago
Francisco Paisana 1aae510e9d enter/exit are now being called in order 5 years ago
Francisco Paisana 2e15514d00 fix enter/exit calls 5 years ago
Francisco Paisana dc0427804f clean up comments and add some util functions 5 years ago
Francisco Paisana 7dc1489ea7 reintroduced optional enter/exit methods for each state 5 years ago
Francisco Paisana 6675e92806 implement fsm based on choice type 5 years ago
Francisco Paisana 018f9e7db2 implement visit pattern 5 years ago
Francisco Paisana 278a1686fb creation of choice/variant type 5 years ago
Francisco Paisana a2ade9edd1 break down rrc_interface_types.h into multiple files. moved pdcp_config.h to same folder 5 years ago
Francisco Paisana 2950d26daa remove asn1 namespace from srsue files 5 years ago
Xavier Arteaga 9a2b0b7cc7 Standard vector allocation uses vector library 5 years ago
Francisco Paisana 30ae2226c1 common interface for stack multiqueue tasks, background tasks and timers 5 years ago
Andre Puschmann 890f346808 pdcp: fixing LTE rx test 
the test was introducing two lost SN and the number of expected SDUs
wasn't changed. Changed now counters, etc to only drop one SN.
 5 years ago
Francisco Paisana 67f6eebf61 fix rlc stress test to reflect threading in stack 5 years ago
Andre Puschmann 5e9aa38551 pdcp: add test for reception of dublicate PDU 5 years ago
Francisco Paisana 8aa44928e9 fix 5g compilation errors 5 years ago
Francisco Paisana 344eaf49ec use logmap in the whole enb and ue 5 years ago
Francisco Paisana 8e837e173d printf has already a way to pad spaces. If we use it, we can avoid accidentally adding extra logs because we did srslte::logmap::get("MAC") instead of srslte::logmap::get("MAC ") 5 years ago
Francisco Paisana 82cb6baef0 now the whole ue and enb mac uses the logmap 5 years ago
Xavier Arteaga e832769ae6 Updated copyright 5 years ago
Francisco Paisana 5330249625 created tti_point type and unit test. Added also the tti_point to the scheduler harqs, and rrc procedure 5 years ago
Francisco Paisana 7548402632 change scell activation interface to use arrays. Added a method to the scheduler to get the current set of activated carriers 5 years ago
Pedro Alvarez 96c82b3fc6 Moved PDCP configs to pdcp_config.h. Added `as_security_cfg_t` structure to hold access stratum keys. 
Refactored PDCP, RRC and USIM accordingly.
 5 years ago
Francisco Paisana aaa333c1ff removed some clang warnings 5 years ago
Francisco Paisana 62609fdc11 fixed some logs. Also now use one single log obj for all the asn1 5 years ago
Andre Puschmann 9e113f8b27 pdcp: allow to configure security for rx/tx seperately 
previously PDCP security (integrity and ciphering) could only
be enabled for both Rx and Tx at the same time.

this, however, caused an issue during the conformance testing in which,
in TC_8_2_1_1() for example, the eNB sends a SecModeCommand and a
RRC Reconfiguration in the same MAC TB. In this case, the eNB
needs to be able to enable DL security right after sending the SecModeCmd
in order to send the RRCReconfig encrypted. However, enabling UL security needs
to be postponed until after the SecModeComplete is received.

This patch allows to enable PDCP security for rx/tx independently if
that is needed. The default way is like before, enabling it for tx/rx at
the same time.
 5 years ago
Francisco Paisana 6b96d21732 extension of the timer test to check safe running timer erasure 5 years ago
Francisco Paisana 5b2da779b7 new method in timer_handler to dispatch calls without an associated unique_timer 5 years ago
Francisco Paisana af76778fc8 remove fixmes 5 years ago
Francisco Paisana ac52208409 removed most of clang-tidy warnings, introduced logmap in asn1, fixed info object naming in s1ap and ngap for successful and unsuccessful outcomes 5 years ago
Francisco Paisana e859d622c7 added logref class to forbid logmap pointer invalidation. Created a test for the logref, and introduced it in the scheduler, rrc and nas 5 years ago
Xavier Arteaga f261365c91 Initial EVM calculation commit and other easthetic changes 5 years ago
Pedro Alvarez 830dffb05b Small change in pkt compare function. 5 years ago
Pedro Alvarez 5dd081846b Removed unnecessary macro and some newlines. 5 years ago
Pedro Alvarez aecfb151ce Apply clang-format to the lib in preperation for PR. 5 years ago
Pedro Alvarez 940626108b Fix PDCP DRB test. Enabled encryption on PDCP LTE tests. Tests passing now. 5 years ago
Pedro Alvarez d98b888ca4 Separating PDCP read_header function from discard_header_function. Starting to add DRB unit test. 5 years ago
Pedro Alvarez dbb5c6c06c Adding PDCP LTE SRB1 test. Test failing for now. 5 years ago