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srsRAN_4G
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149 Commits (301848002f4e8950d5e0332695687c57e3b5873a)

Author SHA1 Message Date
Bedran Karakoc efa13290a9 ue,rrc_nr,nas_5g: Introduce NR AS Key derivation and update context handling in 5G NAS 3 years ago
Bedran Karakoc a8eaf1cdd8 ue,nas_5g: Add get_k_amf() helper function and security context flag 3 years ago
Fabian Eckermann 12cc7cb4d7 Add support for RRC redirect. 3 years ago
faluco 3b2f0d2f65 Fix several issues in GW class: 
- Avoid triggering an assertion when the  gw thread is pending termination.
- Re-order gw::stop method to avoid a race condition when closing the TUN device while the gw thread is still running.
 3 years ago
Bedran Karakoc 0507d9df2b nas,nr: Fix ciphering and sequence numbers in NAS 3 years ago
Alejandro Leal Conejos 1a64c6adad Enum fixes so clang 12 can build the repo 3 years ago
David Rupprecht 5c44d774d0 Added 5G Metrics 3 years ago
David Rupprecht 59e847ba08 Added NAS 5G args 3 years ago
David Rupprecht 5910d8847a Split NAS security ctxt 3 years ago
Bedran Karakoc 1e1e1420b1 Return AUTS in authentication failure for case AUTH_SYNCH_FAILURE 3 years ago
Bedran Karakoc de750fad09 Added helper function for replayed security capabilities 3 years ago
Bedran Karakoc 193ec4abfa Trigger switch_off in NAS 3 years ago
Bedran Karakoc 441251bdd1 Remove unused parameter 3 years ago
Bedran Karakoc a4cc9b6ca0 Fix handle_authentication_request and add handler for authentication reject 3 years ago
Bedran Karakoc e8bcc0a61e Added handler for identity request and sender for identity response 3 years ago
Bedran Karakoc 850606f20b Added deregistration (UE terminating) 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
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
David Rupprecht e8a464228d Cleaned string helpers 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 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
David Rupprecht 3217c00cfc Adjusting NAS base security function to 5G 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
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 fb92118bb7 Add 5G NAS infrastructure 4 years ago
David Rupprecht 505225d845 Added ue nas base class with security functions 4 years ago
David Rupprecht 7fa85ab336 Added nas test common file 4 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.
 4 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.
 4 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.
 4 years ago
David Rupprecht 8c194b887b Allow NAS init function to fail 4 years ago
David Rupprecht 617fb2ba7e Added default destructor for args 4 years ago
David Rupprecht cc6d8128ad Added gw interface if it is running 4 years ago
David Rupprecht 8c86d2084d Adding NR phy config RRC parsing 
Added error handling

Reworked flattening error handling
 4 years ago
Codebot 4523ee6087 rename srsLTE to srsRAN 4 years ago
Francisco 3e9f93eb8a refactor - remove old log_filter and logmap libraries from the codebase 4 years ago
Francisco b329e25bbb move ue phy interfaces to separate interfaces header file 4 years ago
Francisco b1706b9197 move ue nas interfaces to separate interfaces header file 4 years ago
Francisco a988351f46 move ue pdcp interfaces to separate interfaces header file 4 years ago
Francisco ea04104e8e move ue gw interfaces to separate interfaces header file 4 years ago
Francisco 186285ffd3 move ue usim interfaces to separate interfaces header file 4 years ago
faluco 3ce7454105 - Remove old loggers from ue_stack_lte, ue gw. 
- Remove old loggers setting up for these classes.
 4 years ago
Francisco 3265d940ec remove byte buffer pool cached member variables as they are unnecessary now. 4 years ago
David Rupprecht 3dab82c42f Added interface that allows to update the lcid in case of a nr reconfiguration 
nr rrc updates gw lcid if reconf was received
 4 years ago