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310 Commits (cf89d6645be780bfa2bfd9deae9cfc8314376293)

Author SHA1 Message Date
Andre Puschmann 1afc137032
[REBASE] Make PHY non-blocking and fefactor HO procedure (#1753) 
* Make PHY non-blocking and fefactor HO procedure

* makes entire PHY non-blocking through command interface
* adds dedicated queue for cell_search/cell_select commands
* refactor HO procedure to run faster, in one stack cycle. Looks closer to the specs
* force ue to always apply SIB2 configuration during reestablishment
* Run update_measurements in all workers

Co-authored-by: Ismael Gomez <ismagom@gmail.com>
 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
Ismael Gomez 5968157ea5
Protect better the access to shared variables in phy_common and metrics (#1750) 4 years ago
Andre Puschmann a36f9bddc2 ttcn3: use RNTI values in RACH provided by tester 
this patch extends the SS to use the C-RNTI and Temp CRNTI values
provided by the tester for RAR and Msg3.
 4 years ago
Andre Puschmann d90de639e5 ttcn3_syssim: continue when epoll returns -1 
this allows to debug and step in the SS
 4 years ago
Andre Puschmann 1b266257a1 ttcn3_phy: improve logging of cell measurements 4 years ago
Andre Puschmann 3088cdbb0f ttcn3: fix uncaught exception in SS 
fix accessing child element in parsed Json without checking
its existence.
 4 years ago
Andre Puschmann 3e824f6370 ttcn3: convert TTI action vector to queue 
this makes sures queued events are executed FIFO
 4 years ago
Andre Puschmann 624c8142ad ttcn3: refactor cell handling in SS 
this rather large patch changes the way cells are handled in the SS.
It moves RLC and PDCP entities to the cell map of the SS, such that each cell
has its own entities. This allows to support HO operation, for example,
in which two cells need to send SRB messages.

It also extends most of the syssim interface to include the cell name
in all commands so they can be applied on the specified cell only.
 4 years ago
Andre Puschmann 4650a620d9 ttcn3: refactor cell search and selection in TTCN3 PHY 
- make sure only suitable cells are reported/selected
 4 years ago
Andre Puschmann 973de8f78d ttcn3_dut: block OS signals before starting log backend 
this prevents the backend thread from handling the signals. they
are only handled by epoll running in the main thread.

this fixes #1713
 4 years ago
faluco c178e362b8 - Rewrite log management so that a log sink can be swapped for each testcase. 4 years ago
Ismael Gomez 4c1d3ef7e8
Fix implementation of Random Access problem (#1689) 
* Fix implementation of Random Access problem

* Apply AS activated condition on RLF before calling Reestablishment
 4 years ago
Ismael Gomez f49fbd6d02
Fix the order of HO/reest measurement actions (#1696) 4 years ago
Andre Puschmann 92d76a5eb6 mac_test: update tests involving BSR handling 
* split existing BSR test into dedicated test for short, long, and trunc
  BSR tests

* update MAC tests that include packing UL BSR.
  (After checking TS 36.321 again it seems we have reported old UL buffer states)
 4 years ago
Ismael Gomez 54eed11e1d Refactor decision for extended CSI/SRS 4 years ago
Francisco Paisana 92221eb780 update of rrc_interface_mac to remove signal from mac to rrc that RA failed in case of handover failure 4 years ago
Andre Puschmann 641a4a5e79 mac_test: fix compilation if PCAP write is enabled 4 years ago
Daniel Willmann 7d0ae71f17 ttcn3_sys_interface: Handle initial cell attenuation 
When new Cells are added they can have an attenuation configured
directly. Honor that setting.
 4 years ago
Ismael Gomez 72cc4e0ca5 Stop ContentionResolutionTimer on RA error. Updated test 4 years ago
Francisco Paisana 75b204bc52 fix phy ctrl call to cell selection observers 4 years ago
Francisco Paisana 834c0b3929 integrated new observer pattern into phy controller fsm 4 years ago
Francisco Paisana 48dd436d86 integrated observer pattern into rrc phy ctrl fsm 4 years ago
Andre Puschmann 5e40bfe72c mac_pdu: unpack and print BSR index as well as BSR value in bytes 
before the BSR was extracted but the actual index (between 0 and 63)
was not stored but directly converted into bytes.

for log parsing and debugging it is easier to follow the index
value. this patch therefore adds both values to the log message
and extends the API accordingly.
 4 years ago
faluco e5a792d508 - Fix unused variable. 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 9550bd3ef8 rlc: revisit interface for MAC and RRC 
* add locked and unlocked version of has_data() since one is
  called from stack and one from PHY threads

* add comments in each interface section as to why locking
  is required or not

* remove RLC rwlock when not required

* move calls only used by RRC to RRC section
 4 years ago
Pedro Alvarez c686e6cea1
SRSUE: Set SCell configuration is unlocking (#1544) 4 years ago
Ismael Gomez 443dee7035
Changes in Cell Selection Procedure (#1557) 
* Fixes RRC cell reselection procedure
 4 years ago
Francisco Paisana 4fb8011a6d updated phy controller to use task scheduler 4 years ago
Francisco Paisana 9c5471b094 more ergonomic event callback 4 years ago
Francisco Paisana 58a9610efa use of stack event loop to propagate cell search and selection results 4 years ago
Francisco Paisana d48a45976e moved cell selection/search complete event signalling out of phy_controller 4 years ago
Francisco Paisana 48138b5281 removal of phy cell selection procedure as it now it is replaced by phy controller 4 years ago
Francisco Paisana 489969722e implemented phy controller FSM to perform cell selection & search. The controller also tracks the phy sync state 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 5e06430455 removal of stack handler interface 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
Pedro Alvarez 528777fa29 Added sleep to avoid nas test concurrency issue. 4 years ago
Francisco Paisana 510687766f added comments in rrc cell select test 4 years ago
Francisco Paisana c6f422d23e improved cell selection test in srsue::rrc 4 years ago
Andre Puschmann 218fa5cf55 ttcn3_dut: fix bug in DUT 
reducing the sync queue len to 1 caused an issue when the
PHY was locking the mutex while trying to push a TTI event
on the stack.

instead of signaling the new TTI within the PHY, we now do it outside
in the DUT (after releasing the PHY mutex)
 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
Francisco Paisana c6323478d2 remove unecessary sleeps in mac test, and add long_ prefix in long tests 4 years ago
Andre Puschmann a5c0f96fa7 srsue: limit sync queue length to 1 for ZMQ radio 
apply same change that we've done on the eNB also on the UE
to avoid the PHY processing TTIs faster than the stack.

Without that, we see lots of those in the logs:

...
08:39:17.580325 [STCK] [W] Detected slow task processing (sync_queue_len=7).
...
 4 years ago
Andre Puschmann c15b2ec810 ttcn3_dut: always create timer when enabling TESTMODE B 
create timer but dont yet set it. this avoid adding multiple
checks if the timer var is actually initialized.
 4 years ago
Andre Puschmann 63f1ea1bec ttcn3: streamline DRB and SRB Tx interface 
use the same tx interface with const uint8_t* and length byte instead of std::string
 4 years ago