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229 Commits (665b3996bb20214bc0d38da20e3f10b3a0dcb537)

Author SHA1 Message Date
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
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
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
 5 years ago
Francisco Paisana 1a9c04bf2f use of task scheduler handle in pdcp 5 years ago
Francisco Paisana 4f5e65781f created task scheduler class to deal with timers, thread pool, multiqueue, internal tasks 5 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
 5 years ago
Francisco Paisana 84f34bc736 changed to a label filtering approach for ctest 5 years ago
Francisco Paisana ebb8f18000 set some extra tests with the prefix "long_" 5 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.
 5 years ago
Andre Puschmann df50dd7d3c rlc: extend RLC metrics 
extend RLC metrics to count Rx/Tx PDUs/SDUs bytes/#
 5 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
 5 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
 5 years ago
Andre Puschmann 96726a03e0 rlc_stress_test: fix PCAP support 
expose actual RLC configuration to PCAP object
 5 years ago
Andre Puschmann 1c7bfde404 rlc_stress_test: fix compilation with PCAP enabled 5 years ago
Francisco Paisana f0874b780b add radio_base/null classes 5 years ago
Pedro Alvarez 9c1a7d2cf1 Removed get_bearer_status in PDCP. Renamed get_state/set_state to 
get_bearer_state/set_bearer_state.
 5 years ago
Pedro Alvarez 208a539499 Split PDCP tx_count state variable into tx_hfn and next_pdcp_tx_sn 
variables.
 5 years ago
Pedro Alvarez 08578a7331 Switched to use a struct to hold the PDCP entity state variables. Deleted some unecessary setters. 5 years ago
Francisco Paisana edba7f57e4 corrected mac_nr_pdu includes 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
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
Xavier Arteaga e832769ae6 Updated copyright 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
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
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
Pedro Alvarez 284a0f7b4e Starting to add PDCP LTE unit tests. Test failing for now. 5 years ago
Pedro Alvarez b841859220 Moved pdcp test functionality to a common header. Fixed linking issue in 5GNR PDCP 5 years ago
Ismael Gomez 52716f8716 Process HO complete in the background to avoid heap-after-use bug when PHY measurements are reported during a HO 
rrc_meas refactor. Need to split commit

Fix typo

Temporal commit

Apply rx_gain_offset to neighbour cell measurements

srsLTE: modify TESTASSERT Macro to follow codeline

SRSUE: prevent RRC from having serving cell in neighbour list

SRSUE: DL HARQ does not need Time Aligment Timer. UL is disabled using PUCCH resources release

SRSUE: extend intra-frequency to CA SCell

SRSUE: fix confusing/ambiguous code in the RRC measurements and fix concurrency issue

SRSUE: remove RRC measurement report triggers when measurements are modified or HO succesful

SRSUE: fix compilation issues and Reest SIB indexes

Fixes sync using incorrect cell configuration when search cell does not find a correct cell

Small refactor to remove measurement report triggers always after removing measurement

SRSUE: Removed SIC PSS from UE

SRSUE: fix inter-frequency reestablishment and added more traces

SRSUE: Fix compilation issue
 5 years ago
Xavier Arteaga d3537fc340 srsLTE: expanded RLC stress test with the addition of multiple PDU per TTI in reverse order 5 years ago
Andre Puschmann 476f970ee1 replace FIXME with TODO 5 years ago
Pedro Alvarez c5979f59eb Clang format UE, eNB and lib (#850) 
* Clang-formated UE, eNB and lib.
* Fixed compiling errors from clang-format.
* Fix linking issues introduced by clang-format
* Fix poor formating in initializing arrays of arrays.
* Fix mistake in conflict resolution on rm_turbo.c
* Re-apply clang format to gtpc_ies.h
 5 years ago
Andre Puschmann 7885b5b9ee add CMake flag to enable 5G-NR components 5 years ago
Andre Puschmann e53910010e fix missing byte_buffer cleanup 5 years ago
Pedro Alvarez 41e911fd76 Replaced PRIu32 for %u in pdcp_nr_entity 5 years ago
Pedro Alvarez e1cdd51eba Clang-formated before pull request 5 years ago
Pedro Alvarez 61958af70b Timer removes itself from the map upon expiration 5 years ago
Pedro Alvarez 47a918d680 Split PDCP NR tests into multiple files 5 years ago
Pedro Alvarez c30eb2c166 Starting to add test for when the RLC notifies the PDCP of tx and disarms the discardTimer. 5 years ago