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srsRAN_4G
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439 Commits (6e18bd1c71dfe64416529b6675c42c1ad68f401e)

Author SHA1 Message Date
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
faluco 55f5f74ff3 Fixed case where calling gw::setup_if_addr after ue attachment would spawn a new thread without closing the current one. 
This would end up being a resource leak as the number of threads grow forever until the application crashes.
 3 years ago
Andre Puschmann 26cc6d7886 ue: remove stack type parameter 
for the moment we always use the LTE stack (also for NSA mode).
For SA we likely pick a smarter approach to pick the stack type, i.e.
using the ARFCN specified in the config.
 3 years ago
faluco c2b705c5ce Fix several data races in proc_phr, class needs to be fully protected since most member variables are accessed by different threads. 3 years ago
faluco 6b07e886b7 Fix data race in is_first_ul_grant. 3 years ago
faluco 7dae4a491e Fix data race in ue_stack_lte::ul_dropped_sdus. 3 years ago
faluco 1796e12084 Fix data race in ul_harq_entity. 3 years ago
faluco 2b73beb3dd Fix data race in ul_harq. 3 years ago
David Rupprecht e8a464228d Cleaned string helpers 3 years ago
Andre Puschmann ab6210b1fc ue,proc_sr_nr: add mutex to protect access from PHY and Stack 
also detected by TSAN
 3 years ago
Andre Puschmann 2248e63219 ue,proc_ra_nr: add mutex to protect access from PHY and Stack 
detected with TSAN
 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 5a936d9940 ue,rrc: handle DRB removal correctly 
when RRC receives a command to remove a DRB, it also needs to delete
the bearer at RLC and PDCP
 3 years ago
Andre Puschmann 54ab64327a ue,mac_nr: move BSR levels lookup table into lib header 
prepare for shared use with gNB
 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
Francisco Paisana f4df55c245 stack lte: separate bearer manager into two classes, one for the ue and one for the enb 3 years ago
Andre Puschmann db8b710442 bearer_manager: move to lib folder and extend for multiple users 
prepare bearer manager to be used by eNB which requires
to support multiple RNTIs
 3 years ago
Andre Puschmann 40499e6b6d ue_stack_lte: use std::atomic for running var 3 years ago
Andre Puschmann 79cdc28015 nas_test_common: call NAS layer from stack thread context 
since NAS layers insn't thread safe, all calls must come from
the same thread
 3 years ago
Andre Puschmann 78d60bc138 nas: remove all uses of atomic from 4G and 5G classes 
the NAS classes aren't thread safe and thread-safety shouldn't be
pretended by using atomics. Remove them and add explicit notice.
 3 years ago
Ismael Gomez 7839ab09dc Add RLF-Reportv9 to srsUE 3 years ago
David Rupprecht 3217c00cfc Adjusting NAS base security function to 5G 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 99dc94ab38 nas: make state variables atomics 
NAS states and substates maybe be requested from other threads so
they need to be protected.

Note that the caller still needs to hold it's own mutex if different
actions are required based on the state.
 3 years ago
David Rupprecht 04ef6e120d Added new SIM functions to get MCC, MNC and MSIN 3 years ago
Andre Puschmann 9c298b203d srsue: reduce the default RRC release to 8 (minimum value) 3 years ago
David Rupprecht 2563a78f34 Added basic 5G NAS metrics 3 years ago
David Rupprecht 9172059078 Supply ctor with logger instead of fetching 3 years ago
David Rupprecht 0217bf5332 Fixed name space for rrc ue 3 years ago
David Rupprecht fb92118bb7 Add 5G NAS infrastructure 3 years ago
David Rupprecht 505225d845 Added ue nas base class with security functions 3 years ago
David Rupprecht 7fa85ab336 Added nas test common file 3 years ago
Andre Puschmann e0d9afc342 proc_ra: fix race detected with TSAN 
rar_received is accessed from PHY worker and Stack thread
 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
Andre Puschmann 0a16f48869 gw: fix race condition 
GW thread was checking the default_eps_bearer variable without
protection. RRC could update it when deleting DRB or receiving RRC
connection release.
 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
Andre Puschmann 5313fb99d6 tft: add helper to delete all TFTs for EPS bearer 
when a EPS bearer is removed, all associated TFTs need
to be removed as well.
 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 3f9c069ff7 ue_stack_lte: add RLC and PDCP entities for NR 3 years ago
David Rupprecht d1d8500ce5 Add testcase for reconfiguration 3 years ago
Andre Puschmann e2c496d825 srsue,mac: fix race between PHY and MAC when stopping UE 
the issue let to unwanted log warning at the end of the UE
execution when the PHY was still pushing DL PDUs while MAC
was already stopped.

This fixes #3003
 3 years ago
Ismael Gomez e35a0d72fa Revert UE changes 3 years ago
Ismael Gomez dd9889e07c Add carrier index to uplink PCAP captures 3 years ago
Pedro Alvarez 299d2ee35d Added interface to make the PDCP notify the RRC of integrity check 
failures.
 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 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