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146 Commits (1ca9804d8485eaf0173b4c2bd0aaa5ff27585bff)

Author SHA1 Message Date
Andre Puschmann ab598dae3b gw: calculate GW throughput based on TTI timing 
similiar like the RLC patch, MAC TTIs are passed to GW so the
rx/tx rate can be calculated based on the LTE timing
 4 years ago
Andre Puschmann 07d2bc4fe8 change license header to agnostic version with hint to root LICENSE file 4 years ago
Pedro Alvarez 454162cea7 Deleted nas_interface_stack. 4 years ago
Pedro Alvarez 604e79214d Changed NAS is_attached interface to is_registered. 4 years ago
Pedro Alvarez 5649ecaab0 Renamed nas_common.h to nas_config.h. Moved emm_state_t into nas_emm_state.h and nas_emm_state.cc. 4 years ago
Pedro Alvarez 96f39da5d7 Fixes for airplane simulator. 4 years ago
Pedro Alvarez 14844a168a Created new class to hold all NAS states for the NAS state machine. Added EMM-DEREGISTERED substates and EMM-REGISTERED substates. 
Decoupled PLMN selection, attach request and service request. Removed RRC connect procedure from NAS.
 4 years ago
Andre Puschmann 082e002b67 nas: fix airplane mode simulation 
the current implementation was somehow broken after a
NAS refactor. It was undetected because we didn't really
use it.

this fixes the simulation by using a single timer to simulate
airplane mode transitions.
the timer is rearmed in the timer_expire() function
if the correspondig event is set.

Has been tested to work well with, e.g.:

--sim.airplane_t_on_ms 5000 --sim.airplane_t_off_ms 10000
 4 years ago
Pedro Alvarez 5a4e71a6e4 Created k_enb_context structure that holds k_enb, NCC and NH to make it easier to restore context from failed handover. 4 years ago
Pedro Alvarez bcb422736c Save and restore NH on handover and handover failure. 4 years ago
Pedro Alvarez 3eb525563a Fix issue reading MNC length in USIM. 4 years ago
Pedro Alvarez 22a6dc305f Moved common variables and functions from the usim and pcsc_usim classes into usim_base class. 4 years ago
Pedro Alvarez 2f0125ef4e Fix issue recovering key state, when the first HO fails (specifically, is_first_ncc was not recovered). Minor improvements in key logging. 4 years ago
Pedro Alvarez b3bfe336a9 Make sure that remote address test has a ip mask 4 years ago
Sylvain Munaut 5783c01cbb tf_packet_filter: Improve support for the different filter types 4 years ago
Pedro Alvarez 86f4d469c6 Added some functions to save and restore AS keys for the case of failed handover in the USIM 4 years ago
Francisco Paisana 1a9c04bf2f use of task scheduler handle in pdcp 4 years ago
Ismael Gomez e378a45db0 Reorganized priorities to avoid GW starve the CPU 4 years ago
Xavier Arteaga de230826b9 Added string helper for removing spaces and parsing list 
Fix

Fix string parser
 4 years ago
faluco 9efa24bfa9 More warning fixes. 5 years ago
faluco 7ff251f112 - Fixed warnings caught by Clang 9.0.0 5 years ago
Francisco Paisana de4d58d8fe fix coverity scan issues in master 5 years ago
Francisco Paisana af9ca9f9e5 remove unecessary moves 5 years ago
Andre Puschmann d35c9e2b89 nas: add support ot UE test loop mode B 
extend GW-NAS interface to signal test mode activation.
The method is a noop in the normal GW but is implemented in
the TTCN3 DUT according to TS 36.509 for Mode B
 5 years ago
Andre Puschmann 66a799661e gw,tft: move traffic flow template matching into own class 
this prepares the reuse of the matching functions for the TTCN3 DUT.
create own matcher class that the GW uses.
 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
Daniel Willmann 925225dbeb Implement Close UE Test Loop/Complete messages 
This commit implements support for the CLOSE_UE_TEST_LOOP message.
Currently the mode is not saved and looping the data is not implemented.
Only the *_COMPLETE message is sent back as a response.
 5 years ago
Andre Puschmann acc2948b45 nas: fix security handling 
First of all, with this the NAS conformance tests pass with ciphering and
integrity turned on. Before only integrity was working.

Mainly the NAS was applying the integrity protection and/or ciphering
incorrectly because it wasn't taking the secuirty status of the PDUs
into account. Some where already correct, some not. The patch
streamlines the handling for all outgoing messages.
 5 years ago
Francisco Paisana 30ae2226c1 common interface for stack multiqueue tasks, background tasks and timers 5 years ago
Andre Puschmann dbb8b6a360 nas: add helper for entering new state in FSM 
the helper will log the event
 5 years ago
Andre Puschmann d8680cc9a8 nas: add helper to pack attach request and send to RRC 5 years ago
Andre Puschmann cf28276a3a nas: add helper function to reset NAS security context 5 years ago
Andre Puschmann 94c6034339 nas: rename start_attach_request to start_attach_proc 
this is to better differentiate from "send_attach_request" that
only packs and send the actual attach request message. The
entire attach procedure may include PLMN search, etc.
 5 years ago
Andre Puschmann 15c47fab56 nas: adding t3402 to restart attach after initial attach attempt counter expired 5 years ago
Andre Puschmann 7ef56cb637 nas: add an attach attempt counter as described in 24.301 5 years ago
Andre Puschmann b9a2217355 fix uninit vars reported by Coverity 5 years ago
Andre Puschmann 3f10224729 refactor airplane mode simulation and move to NAS 
- move handling to NAS
- use switch off to enable airplane mode (don't wait for EPC response)
- add tiny FSM to control airplane mode activation/deactivation
- only start on/off counter after state has been entered
 5 years ago
Francisco Paisana de3c28e52d added task dispatch capabilities to stack interface 5 years ago
Francisco Paisana 138347b6b5 nas using stack timers 5 years ago
Francisco Paisana d3f49d0e3c changed interface sync-stack to allow tti jumps > 1 5 years ago
Xavier Arteaga e832769ae6 Updated copyright 5 years ago
Andre Puschmann 70ffe79b43 add support for periodic airplane mode simulation in srsUE 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 5b8b718482 simplify NAS security handling and fix missing call in act test mode complete 
add extra method to apply NAS security config, if configured,
that can be used by each NAS message sender
 5 years ago
Andre Puschmann a8bbe551ac move thread class into srslte namespace to avoid ambiguity between std::thread 5 years ago
Andre Puschmann ae4cfb50f2 print warning to console if TUN interface couldn't be setup 5 years ago
Andre Puschmann dffa2af461 fix NAS re-attach after detach request from network 
needed to add a timer to delay transmission of attach request
to allow RRC release on eNB side
 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
Andre Puschmann 7c1b4c1f12 add support for IMEISV when requesting UE idendity 5 years ago
Francisco Paisana ea777d92e8 applied new logmap class to nas 5 years ago
Andre Puschmann 77522a6b69 add srsUE parameter to change netns before creating TUN in GW 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
Xavier Arteaga b48bb0d754 Removed atof, atoll and atoi calls 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 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
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
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 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
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 c9d3b61038 added resumable procedures to make RRC and NAS non-blocking 5 years ago
Andre Puschmann 5faa819dcd fixing uninitialized class members found by coverity 5 years ago
Pedro Alvarez a868a13409 Fix compilation error when PCSC is enabled. 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
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
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
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
Andre Puschmann ad2b5d7635 pcsc: fix uninitialized variable and class dtor 5 years ago
Pedro Alvarez 6d05265d92 Adding mutex to protect the tft_filter map. 5 years ago
Andre Puschmann 2b7b4d0e7e remove hard-coded LCID for dedicated bearer in GW 5 years ago
Pedro Alvarez 7a184a8cd8 Added log to tft_packet_filter. 5 years ago
Pedro Alvarez 39f5b03674 Removed empty line. Changed comment. Removed unused variables. 5 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. 5 years ago
Pedro Alvarez e2ca02bbe4 Starting to add match methods to tft_packet_filter 5 years ago
Pedro Alvarez 272e40a60d Started to add a lookup in the gw to see if there is a match in the packet filter. 5 years ago
Pedro Alvarez 190a0ff37e Adding test to unpacking of the packet filters. 5 years ago
Pedro Alvarez a8eaf16881 Starting to add a structure for the packet filters. 5 years ago
Pedro Alvarez a7e0a0624b Starting to add interface apply_traffic_flow_template between NAS and GW. 5 years ago
Pedro Alvarez d67d18cc6b Removing deplicated error codes. 5 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
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