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208 Commits (219bae4fd3a4fdb17944e25665a183824c1ff7f1)

Author SHA1 Message Date
Andre Puschmann 315057d11c enb: signal user activity to EUTRA RRC when doing NR DL traffic 
to avoid releasing the UE when only NR DL traffic is done.
similar to the EUTRA solution.
 3 years ago
Ismael Gomez 1c77998df5 Stop PDCP for data bearers before initiating HO 3 years ago
Francisco Paisana bdf18856d1 sched,nr: fix handling of DL BSR in NR scheduler and computation of UCI 3 years ago
Andre Puschmann 426e876047 enb,nr: fix GTPU handler to forward UL PDUs 3 years ago
yagoda bc4388a78c -adding temp crnti removal for NR carrier attach 3 years ago
Andre Puschmann 802b22ac91 enb,nsa: refactor NR RRC/cell config parsing 
this allows to access all cell-related params from within RRC
 3 years ago
David Rupprecht 611255aa5f Added GTPU bind address as output parameter 3 years ago
Bedran Karakoc 43915550cc NGAP GTP Bearer Establishment 3 years ago
David Rupprecht 3712983308 Added PDU Session est request 3 years ago
David Rupprecht c670383ae9 Added NAS 5G functions incoming msg and reg proc 3 years ago
Xavier Arteaga de00b80228 Review NR NSA CFO estimation and compensation 3 years ago
Andre Puschmann 3fd47d2af4 enb: refactor L2/L3 and (re)move all NR components to gNB stack 
* decouple EUTRA and NR stack classes
* implement dummy X2 interface with control and data plane methods
* implement eNB time source interface that PHY calls
 3 years ago
Andre Puschmann cc2d71183e ue,phy,nr: fix race condition when setting UL grant for Msg3 
the Msg3 UL grant requires the TTI in which the RAR has been received
to calcualte the correct timing. There was a race between PHY and Stack
thread.

This patch circumvents the issue by removing a PHY state member that only holds
the RAR Rx timing. In the new interface the RA proc passes the Rx TTI
to the PHY again when setting the UL grant so the PHY can calculate the
correct timing without any state.
 3 years ago
Andre Puschmann ed92f2bd34 enb,mac_nr: remove EUTRA cell param for MAC-NR cell config calls 
* the old srsran_cell_cfg_t is only carried for SIB params
* the SIB scheduling, etc needs to be ported and integrated into NR data structures
* disbable SIB test for the moment
 3 years ago
Andre Puschmann f382a7c7db Revert "ue,proc_ra_nr: add temporary flag to skip RAR reception" 
This reverts commit 28668aac34.
 3 years ago
Andre Puschmann c1892eb2ec enb,nsa: refactor of SgNB addition interface 
* update of FSM
* better integration of parameter for X2 calls
 3 years ago
David Rupprecht a9a23214b0 Added more 5G security kdfs 
Added new 5G SIM functions

Added const parameters for security functions
 3 years ago
David Rupprecht a645d74eaf USIM functions for res star 
Added gen_res_star in security.h

Added USIM interfaces for res star

Added RES star test case
 3 years ago
Andre Puschmann 88bb92dc0d mac_nr,sched: handle C-RNTI CE 3 years ago
Francisco Paisana f4df55c245 stack lte: separate bearer manager into two classes, one for the ue and one for the enb 3 years ago
Francisco Paisana 2ade4628ca stack lte: create an gtpu-pdcp adapter class that correctly converts lcids to eps bearers and vice-versa 3 years ago
Andre Puschmann 3949a727a7 enb_interface: add stack interface for RRC 
RRC uses the interface to register/deregister EPS bearer
 3 years ago
Francisco Paisana 020bec025e sched: created class common to LTE and NR for ue buffer status management 3 years ago
Francisco Paisana 04e5c81edf sched,nr: nr_phy_test now uses the whole mac class rather than just the scheduler 3 years ago
Xavier Arteaga 83b9b2d1ff Implemented UE open loop CFO compensation for NR 3 years ago
Francisco Paisana eb4999a18e lte,pdcp: silence error message when a reconfiguration of a PDCP entity is no-op 3 years ago
Andre Puschmann c365c16531 gnb_interfaces: inherit from EUTRA interfaces when they are identical 3 years ago
Andre Puschmann c03623863b enb,nsa: fix UL PDU processing 
* remove const from pusch_info() MAC/PHY interface to allow moving unique byte buffer
 3 years ago
Andre Puschmann fc35c0ee51 enb,nsa: fix packing of DL MAC PDUs 
* use byte_buffer_t as interface type for DL PHY-MAC interface
* fix missing clear() for new DL tx
 3 years ago
Xavier Arteaga 3ae131b336 gNb creates PUSCH decode PDU 3 years ago
Andre Puschmann 28668aac34 ue,proc_ra_nr: add temporary flag to skip RAR reception 
this will be removed again as soon as the eNB supports full RAR
transmission.
 3 years ago
Andre Puschmann 38f1e158a5 enb,nr: fix NR PHY PRACH init and MAC-PHY interaction 3 years ago
David Rupprecht 11f9ac75db Added PLMN to serving network string name 3 years ago
Xavier Arteaga dbb10dd6a2 Hold worker thread until baseband is transmitted 3 years ago
Xavier Arteaga 0c7239e5df SRSUE: add RF channel offset 3 years ago
Xavier Arteaga b57df4db10 Refactored worker_end mechanism for concurrent workers 3 years ago
Andre Puschmann 45c1971249 mac,phy,interface: clean up and add NR interface to LTE stack 
* remove obsolte rx_data_ind
* add mac_phy_interface_nr to LTE stack
 3 years ago
David Rupprecht 04ef6e120d Added new SIM functions to get MCC, MNC and MSIN 3 years ago
Bedran Karakoc a6226379b4 Introducing NGAP UE context procedures 3 years ago
Xavier Arteaga bb4f469794 Integrated SR decoder in gNb 3 years ago
Xavier Arteaga d783fbf3a0 Reviewed NR procedure for PUCCH resource sselection and reviewed gNb PUCCH interface 3 years ago
Francisco Paisana 74d0a8adb8 sched: add subband cqi info interface to LTE scheduler 3 years ago
Andre Puschmann 8d2e81ad6f enb,mac,nr: add basic UE object skeleton 
refactor that also adds a basic UE object to the NR MAC
 3 years ago
Francisco Paisana 09c7000201 sched,nr: update nr scheduler to use new mac nr interface types 3 years ago
Francisco Paisana d9336bcd9e sched,nr: creation of pool of softbuffers for NR. Now the sched NR harq manages the lifetime of the softbuffer and its forwarding to the PHY 3 years ago
Francisco 357bc10a17 feature - make minimum SNR, under which the RRC is notified with UL KO, configurable 3 years ago
Francisco 67325ab5c1 add pdcch_cqi_offset parameter to enb.conf 3 years ago
faluco 7b7ecb7983 Add a new configuration option that controls PDSCH baseband sample dump to a file on KO. 3 years ago
Xavier Arteaga b25681f9de gnb,prach: add PRACH to gNB 
rebase of Xavier's feature_gnb_prach branch
 3 years ago
David Rupprecht fb92118bb7 Add 5G NAS infrastructure 3 years ago
Xavier Arteaga ecc0b92142 Integrated PUSCH decoder in gNb 3 years ago
Andre Puschmann fd7b9a0575 enb,nsa: add basic RRC EUTRA<>RRC NR interface for SgNB addition 3 years ago
Xavier Arteaga 5307fec2f0 Added GNB MAC UL info initial interface and fix PHY implementation 3 years ago
Xavier Arteaga 3fe9176750 Added PUCCH dedocder to slot worker 3 years ago
Xavier Arteaga eecaccb541 Added NR PHY helpers 3 years ago
Ismael Gomez 4e39982a19
Fix TSAN warnings in UE (#3021) 
* Protect PHY SR signal management in a class

* Protect intra_freq_meas vector

* Protect cell and srate shared variables in thread-safe classes

* srsue,srsenb: include TSAN options header

* Protect ue_rnti_t and rnti scheduling windows behind thread-safe classes

* Protect access to state variable in sync_state

* Protect access to metrics configuration

* Protect access to is_pending_sr

* Protect access to UE prach worker

* Protect UE mux

* Avoid unlocking mutex twice

* Fix data races in RF/ZMQ

* Fix data races in intra_measure and PHY

* Fix minor data races in MAC

* Make TSAN default behaviour to not halt on error

* Fix blocking in intra cell measurement

* Address comments

Co-authored-by: Andre Puschmann <andre@softwareradiosystems.com>
 3 years ago
Pedro Alvarez 171d5727be Moved lib RLC into it's own folder 3 years ago
Francisco Paisana 4d014e7ceb s1ap,feature: make the ts1 reloc timers configurable via the enb.conf 3 years ago
Andre Puschmann 368c7b9e4f ue,stack: clear all EPS bearers when going RRC idle 
the EPS bearer manager was only informed when a single DRB
was removed but not when entering idle which requires to
remove all bearers.

This cause the service request to fail.
 3 years ago
Xavier Arteaga 6f5614a0cc Suggested modifications on gNb MAC/PHY interface 3 years ago
Xavier Arteaga 8378c85ec4 Refactored gNb PHY 3 years ago
Xavier Arteaga aef3e5a40a More NR PHY test and GNB PHY development 3 years ago
Xavier Arteaga d49734b1bc SRSENB: Refactor to accomodate 5G NR 3 years ago
Andre Puschmann 483a216bd5 ue,stack: refactor handling of radio bearears in UE stack 
this is a rather large commit that is hard to split because
it touches quite a few components.

It's a preparation patch for adding NR split bearers in the next
step.

We realized that managing RLC and PDCP bearers for both NR and LTE
in the same entity doesn't work. This is because we use the LCID
as a key for all accesses. With NR dual connectivity however we
can have the same LCID active at the same time for both LTE and NR
carriers.

The patch solves that by creating a dedicated NR instance for RLC/PDCP
in the stack. But then the question arises for UL traffic on, e.g. LCID 4
what PDCP instance the GW should use for pushing SDUs. It doesnt' know
that. And in fact it doesn't need to. It just needs to know EPS
bearer IDs. So the next change was to remove the knowledge of what
LCIDs are from the GW. Make is agnostic and only work on EPS bearer IDs.

The handling and mapping between EPS bearer IDs and LCIDs for LTE
or NR (mainly PDCP for pushing data) is done in the Stack because
it has access to both.

The NAS also has a EPS bearer map but only knows about default and
dedicated bearers. It doesn't know on which logical channels they
are transmitted.
 3 years ago
Andre Puschmann 7113e55d53 rlc: refactor RLC entity to use smart pointers for holding bearers 
this patch mainly modernizes the bearer creation to use smart pointers.
that allows to simplify the error handling.

ue_stack is changed to match new interface. This commit compiles
but doesn't work.
 3 years ago
David Rupprecht 6d5391756c Refactor build of RLC NR config 3 years ago
David Rupprecht d1d8500ce5 Add testcase for reconfiguration 3 years ago
David Rupprecht ec19919246 Fix NGAP valgrind test 3 years ago
Pedro Alvarez aae266e848 Added configuration option for S1AP SCTP bind port 3 years ago
Xavier Arteaga b1e4720721 SRSUE/SRSENB: added tx_enable flag in worker_end 3 years ago
Xavier Arteaga 027201d457 SRSUE/SRSENB: Refactor NR workers to generalise lower PHY 3 years ago
Bedran Karakoc c280ac5ad6 Introducing extended NGAP functionality 
Remove unused logger for now in ngap::ue to pass tests
 3 years ago
Francisco 5a82a63bb5 bugfix,srsenb: fix intraenb handover softbuffer allocation during handover 3 years ago
Francisco 2a009eb340 sched,feature: Enable configuring maximum coderate for SIB allocations 3 years ago
Francisco 6ababf401b feature,sched: allow setting initial DL CQI in enb.conf 3 years ago
Francisco e8983b88f0 refactor: use enb_cc_idx instead of ue_cc_idx in mac::ue 3 years ago
Pedro Alvarez 299d2ee35d Added interface to make the PDCP notify the RRC of integrity check 
failures.
 3 years ago
Francisco 7e77da6a15 mac,optimization: use rnti memory pool to create mac::ue objects 3 years ago
Andre Puschmann c0be8187c8 rlc interface: convert entire read_pdu() interface to return uint32_t 
we had it returning int but had a bug in using the return value properly,
i.e. handling when -1 was returned in RLC TM.

Thinking about it more, it doesn't make sense to have a negative return
value here anyway. Either the RLC can return a PDU or not. If it can't the
returned lenght is zero.
 3 years ago
Andre Puschmann aaffdeb326 rrc,rlc: add method to signal protocol failure to RRC 
general-purpose method for lower layers to signal protocol
failures to higher layers, i.e. RRC.

In the current case, implement a direct release of the UE (enb) or
a reestablishment (UE).
 3 years ago
Francisco ceaef3523f sched,feature: Enable setting the target PHR below which the maximum UL grant size starts decreasing 3 years ago
Francisco 486823e5de sched,bugfix: The PHR handling scheme now considers the number of PRBs of the UL grant that carried the PHR. Before, it was assuming the most conservative scenario of Nprb=1 3 years ago
Francisco 89406b07d6 make eNB UL SNR initial value an exponential average alpha configurable 3 years ago
Pedro Alvarez 18e2149d68 Sending Initial Context Setup Response after RRC reconfiguration. 3 years ago
Xavier Arteaga 235a664120 SRSUE: Removed PUSCH-DMRS/SRS pregeneration methods 3 years ago
Francisco a587d20252 allow specification of subset of valid measurement gap offsets in rr.conf 3 years ago
Xavier Arteaga 48e0fc3c99 Implemented initial PBCH decoder and refactored SSB candidate selection 4 years ago
Francisco 7076dbfef8 feature, scheduler: Add configuration parameter to set minimum TTI interval between TPCs 4 years ago
Francisco dedd9c09a7 feature, scheduler: Add abitility to set minimum aggregation level in PDCCH, and disable adaptive aggregation level based on target BLER 4 years ago
Francisco c5029fc266 feature - implement adaptive link adaptation in DL and UL 4 years ago
yagoda 9501283c1c fixing support for extended Cyclic Prefix 
small cosmetic fixes of CP code
 4 years ago
yagoda f90f6f0c7e adding MAC 0 padding support 4 years ago
Xavier Arteaga 60015e7ceb Made intra frequency cell search and measurment generic 4 years ago
Francisco 1488606156 refactor - create s1ap dedicated folder 4 years ago
Xavier Arteaga a57336d64f Integrate periodic SSB measurement in SRSUE and fix related defects 4 years ago
Francisco c5396155ad set default gtpu tunnel close timeout to infinity 4 years ago
Francisco 15484e9472 rrc - make t304 configurable via rr.conf 4 years ago
Francisco c6b9c12ba2 gtpu, feature - added the ability to configure gtpu indirect tunnel timeout value. This parameter is useful in the case that the end marker is not received 4 years ago
David Rupprecht c117b563c9 Initial commit for ngap in enb 4 years ago
Francisco 7bee75e126 update description of srsenb --expert.nof_prealloc_ues config parameter, and added a comment in header file explaining the use of such parameter. 4 years ago