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347 Commits (16de8668e00fe9902a652eb71570a5f6745b4b6c)

Author SHA1 Message Date
Andre Puschmann 8ef0d6c6ca do not automatically consider cells for which a measurment has been received as "in sync" 
the in_sync flag has been misused in some parts of the code
receiving a PHY measurement for a cell does not automatically
mean that we are "in sync", as it is used in RRC as a condition
to indicate if we are camping on cell

the in_sync/out_of_sync condition should only be altered by the
corresponding functions sent from the PHY for the currently selected
cell (and not automatically for all cells)

the commit also removes the deletion of cells which are not "in sync"
from the list of neighbor cells. Instead, RRC calls a clean-up function
peridically that deletes old cells eventually.
 5 years ago
Xavier Arteaga f5e4ff9f4d SRSUE: RRC Reest Procedure Refactor 5 years ago
Xavier Arteaga f37a096f10 SRSUE: Refactored/Fixed RRC connection Re-establishment and minor CLang Format/Tidy fixes 5 years ago
Francisco Paisana 54992e72f1 fixed and simplified multiqueue task api to avoid dangling pointers. 5 years ago
Francisco Paisana b2d3c2a150 fix compilation issue 5 years ago
Francisco Paisana ac4d3b9624 std::functions do not accept move-only captures. So I had to create a wrapper earlier. In this PR, I cleaned a bit the previous API for the code to be a bit more readable 5 years ago
Francisco Paisana 177e880293 removed extra threads from enb rrc 5 years ago
Andre Puschmann 1a7142d73f fix GW init procedure and set pool instance in ctor 5 years ago
Andre Puschmann d25a734200 fix uninit value in NAS and move emm_info on stack 5 years ago
Francisco Paisana d2c56caf7e applied new timer class to the whole code base 5 years ago
Francisco Paisana b254bdbb93 typedefed the proc_result_t<void> to become proc_state_t 5 years ago
Francisco Paisana f2d88e5a5b simplified NAS rrc connection request procedure 
move non-type-specific methods of proc_t to its base class.
procedure state machine was simplified via a future-type. Now procedures dont get stuck until the user reads the procedure outcome.
made the NAS procedures more event trigger/reaction-based.
 5 years ago
Francisco Paisana 8864787f59 added the continuation functionality to procedures via the "then()" method. 5 years ago
Francisco Paisana c1be118d1d new wrapper-based design for stack procedures. Removes extra base class, gets rid of spurious copies/moves during the pop(), and allows the use of a non-default ctor() 5 years ago
Francisco Paisana 8980810061 added some util print functions and fixed the issue with sync::cell_select when the last cell search was not successful 5 years ago
Andre Puschmann 82e3fd1052 fix uninitialized vars in RRC 5 years ago
Andre Puschmann 891a66a2e5 make the establishment cause a paramter when sending a connection request 
needed to signal a mo_sig establishment cause after a RLF
 5 years ago
Andre Puschmann c24b25f42e after RLF store PCI of current serving cell 
the PCI is needed for the reestablishment request in case
the new serving cell has changed
 5 years ago
Francisco Paisana 9bcb268421 added for-range loop and bool decay checks to clang-tidy. Applied some of the recommendations of clang-tidy to nas.cc 5 years ago
Andre Puschmann cf548fe807 nas: add handling of T3410/T3411 5 years ago
Andre Puschmann 35307a047a make UE switch_on non-blocking 
this allows a simpler main that just signals NAS to switch on the UE
but doesn't block until the action is completed.

For making sure the UE also attached if the first attempt failed
the NAS needs to be extended to support the correct timers.
 5 years ago
Francisco Paisana 81a466a641 since we moved cell search to the background thread, cell reselection prints a error message that it cannot start. In fact it already started. It is just waiting for the cell search to finish. This PR fixes this 5 years ago
Francisco Paisana e67f66e539 moved cell search completed signal from the background thread to the stack thread 5 years ago
Francisco Paisana b1496317d5 fixed the pcch proc issue by letting the cell selection explicitly propagate its result to the pcch_process_proc 5 years ago
Andre Puschmann 3c6ff0da30 make NAS logging less verbose 5 years ago
Andre Puschmann c5f52adfba nas: fix issue in which NAS wouldn't allow to attach once it failed 
the main issue was the plmn_selected variable. the solution
was to create a function to enter the deregistered state that resets the variable
and performs all other actions that need to be performed, like clearing
EPS bearers.

The patch also extends the SS to support AT commands to enable/disable
data services and now succesfully passes TC_9_2_2_1_7
 5 years ago
Francisco Paisana 2fb830fcfa moved cell search to background task thread pool, and provided a stack interface to rrc to call "start_cell_search". Once completed, the background task signals back to RRC 5 years ago
Andre Puschmann 0467d8bc84 rework neighbor cell handling 5 years ago
Andre Puschmann c7f0caa24a add TTI field to MAC dl/ul grants and fix PCAP to include TTI 5 years ago
Francisco Paisana 6db0e474be moved RA waiting procedure to a background task of the stack thread pool 5 years ago
Andre Puschmann f94d2537a3 nas: send identity response integrity protected if security ctxt is present 5 years ago
Andre Puschmann bb84b27f0b fix RRC connect proc in NAS to allow reattch after detach 5 years ago
Francisco Paisana fc9bb3c934 removed rrc asn1 header include from the ue_interfaces and phy 5 years ago
Francisco Paisana 946ead06e8 using an interface between the stack and lower mac to process demux pdus. 5 years ago
Francisco Paisana 63457f195c extented queue test 5 years ago
Francisco Paisana a2d7b2320a placed GW packets in the same thread as UE stack thread 5 years ago
Francisco Paisana 647c624423 created a multiqueue handler, and started using it for the ue stack 5 years ago
Ismael Gomez a3932f9bea Minor change to fix coverty issue 5 years ago
Ismael Gomez bfddc55148
RRC-PHY interface (#639) 
RRC-PHY interface refactor. Moved RRC-MAC interface to rrc_asn1_utils and created RRC-PHY interface also in rrc_asn1_utils. All ASN1 includes should be made from rrc_asn1_utils only keeping ue_interfaces clean of ASN1

Tested with different common and dedicated configurations (64QAM UL, 256QAM, CA, SRS enabled/disabled, etc)
 5 years ago
Francisco Paisana 67d6a25194 Moving mac timers to stack timers (#638) 
* first step towards moving MAC timers to stack. Mac is still using its own timers. srslte::timers class can be restructured.

* moved timers out of the UE MAC
 5 years ago
Ismael Gomez 69edee4e6c
Fix issues in uplink QoS (#636) 
Fix bugs in Long BSR and Truncated BSR and added unit tests
 5 years ago
Francisco Paisana c9d3b61038 added resumable procedures to make RRC and NAS non-blocking 5 years ago
Andre Puschmann 7847c8da5e extend ue cap handler to support multiple RATs 5 years ago
yagoda 408400bee6 adding fixes and tests for eMBMS 5 years ago
Xavier Arteaga b5685c8f09 SRSUE: Fixed HO with carrier aggregation 5 years ago
Andre Puschmann b46a71c2d8 add RRC metrics and remove extra methods to query RRC state 5 years ago
Ismael Gomez abdb880b3b Remove unused mux_is_transmitted local variable 5 years ago
Ismael Gomez 773c2a9721 Fixed multiple issues in Random Access procedure and extended MAC test 5 years ago
Andre Puschmann 5faa819dcd fixing uninitialized class members found by coverity 5 years ago
Andre Puschmann 92f0d58856 mac: move further init/config into ctor to allow early logging, etc. 5 years ago
Pedro Alvarez a868a13409 Fix compilation error when PCSC is enabled. 5 years ago
Francisco Paisana 58e2e51044 removed rlc_interfaces. The rlc_cnfg types are now part of the rrc_interface_types. Removed implicit RB initialization in the RLC. 5 years ago
Francisco Paisana b936629221 removed rrc asn1 header from bcd_helpers, from rlc_interface, and rlc tests 5 years ago
Francisco Paisana bb0dbf0f1c created a asn1 utils with helper functions and types related to the asn1. These types/functions will help isolate the rrc_asn1 lib from most of the layers, reducing this way the compile times, and leading to better isolation. This will also make the transition to NR smoother. I removed the asn1 types from the NAS and USIM interface so far. 5 years ago
Xavier Arteaga 4a0ebe0cca SRSUE: reviewed UE capabilities for 64QAM according to 3GPP 36.306 5 years ago
Andre Puschmann 1dea4add2a stack: fix issue where stack thread was exited before stop_impl was called 5 years ago
Andre Puschmann 58763fb714 stack: move initialization of log object into ctor 
this fixes the issue when the stack is torn down if, for example,
the radio couldn't be loaded correctly. it will hence call stop() on all stack
components which are not initialzized yet, and logging therefore doesn't work.
the log object is know during contruction time and therefore can be passed
in as soon as possible.
 5 years ago
Ismael Gomez 9e6a9e0d03 Fix reestablishment mutex lock when called from RLC max retx 5 years ago
Pedro Alvarez 8f5ad55c4a Added attach request as a UL info trasnfer in the UE. Added interface to remove eps bearer map when going idle. Fixed bug in GW in assignment of IPv4 addresses. UE seems to rebound from the service reject now. 5 years ago
Andre Puschmann a3d95c8370 simplify SDU allocation and remove unneeded checks 5 years ago
Andre Puschmann 2599b1824d reorder stack members and their loggers for correct destruction 5 years ago
Andre Puschmann db224335a7 add MUX step function for PBR counting 5 years ago
Andre Puschmann da35f41dd5 rework MAC logical channel prioritization 5 years ago
Francisco Paisana 8f8d9f3f30 applied changes in the stack internal method naming 5 years ago
Francisco Paisana ce29ed545d moved mac thread to the stack. Protect the interface of the stack with PHY and gateway via a queue of tasks 5 years ago
Francisco Paisana 62eb96366c moved gw metrics out of stack_metrics_t 5 years ago
Francisco Paisana 10a56e2a84 moved GW out of the UE stack. This is important to keep concurrency out of the stack once it becomes single-threaded 5 years ago
Xavier Arteaga cd036d8760 SRSUE: proc_ra.h/.cc use C++11 mutex 5 years ago
Xavier Arteaga 5d87aece0f SRSUE: mac.h/.cc mutexes changed to C++11 and set initial values 5 years ago
Andre Puschmann 01679dbc8d rearrange class members to make sure logs get destructed after stack components 5 years ago
Andre Puschmann ad2b5d7635 pcsc: fix uninitialized variable and class dtor 5 years ago
Pedro Alvarez 6d05265d92 Adding mutex to protect the tft_filter map. 6 years ago
Andre Puschmann 2b7b4d0e7e remove hard-coded LCID for dedicated bearer in GW 6 years ago
Pedro Alvarez 7a184a8cd8 Added log to tft_packet_filter. 6 years ago
Pedro Alvarez 39f5b03674 Removed empty line. Changed comment. Removed unused variables. 6 years ago
Pedro Alvarez 2723aa9b12 Added EPS bearer id to apply_tft interface. Sending packets to the correct LCID if they match the packet filter. 6 years ago
Pedro Alvarez e2ca02bbe4 Starting to add match methods to tft_packet_filter 6 years ago
Pedro Alvarez 272e40a60d Started to add a lookup in the gw to see if there is a match in the packet filter. 6 years ago
Pedro Alvarez 190a0ff37e Adding test to unpacking of the packet filters. 6 years ago
Pedro Alvarez a8eaf16881 Starting to add a structure for the packet filters. 6 years ago
Pedro Alvarez a7e0a0624b Starting to add interface apply_traffic_flow_template between NAS and GW. 6 years ago
Francisco Paisana 415d3418b6 reorganized enb to mirror ue director/class structure with a stack class 6 years ago
Pedro Alvarez d67d18cc6b Removing deplicated error codes. 6 years ago
Ismael Gomez c2e9817f41 Possible solution to RLC Reestablishment 6 years ago
Andre Puschmann 3f613d7183 nas/gw/rrc: make LCID for DRB dynamic 
- add interface to RRC to allow NAS to query the DRB for a given
  EPS bearer id
- extend interface for NAS to setup GW to also pass LCID of bearer
- in NAS, use this new interface to pass actual LCID of the default
  DRB when creating the TUN device
 6 years ago
Andre Puschmann b2a35f6b5a nas: add parser and sender for modify EPS bearer context messages 6 years ago
Andre Puschmann dcb04c6461 turn usim object into a unique_ptr 6 years ago
Andre Puschmann 3f90230d1a nas: add EPS bearer map 6 years ago
Andre Puschmann 1ec5a4d4ed add NAS metrics struct and move NAS states into common header 6 years ago
Andre Puschmann 1c749ad559 add basic handling for deactivating eps bearer 6 years ago
Andre Puschmann 0bd30343bb fix packing of dedicated bearer context accept 6 years ago
Andre Puschmann 5451fb6007 nas: add basic handling for dedicated bearer and UE testmode messages 6 years ago
Andre Puschmann 7de9f39fcc nas: move sending of attach complete message in extra function 6 years ago
Xavier Arteaga bb663a69b8 SRSUE RRC: Cleaned Reestablishment code 6 years ago
Xavier Arteaga e5084801a2 SRSUE RRC: refactored reestablishment procedure for executing Cell selection during T311 without blocking RRC 6 years ago
Xavier Arteaga 080b4a327c SRSUE: Refactored asynchronous cell and ue_radio. CA Fixed. 6 years ago
Andre Puschmann 65f50cd7ba introduce new UE layer design 
- abstract UE object now consists of a radio, a PHY, and a stack layer
- add new stack abstraction layer that combines MAC, RLC, RRC, PDCP, NAS and GW
- PHY layer now has a single stack interface and does not talk to MAC and RRC seperatly
 6 years ago