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fa5c4d3a4cf9befdbf9ea324d0483c66a80a5b98
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3581 Commits
Author SHA1 Message Date
Robert Schmidt fa5c4d3a4c Fix SDAP: correct ID, set default 
- Set the correct QoS flow ID to associate a correct QoS flow to the
  bearer: the UE would misassociate otherwise
- Set the DRB as the default: the handler applies bool with true==1, so
  use bool value
 2023-10-30 08:47:33 +01:00
Robert Schmidt a87cad57b7 Fix: correct SD index 2023-10-27 10:34:53 +02:00
Robert Schmidt eb475f7747 Remove useless warning 2023-10-27 09:07:51 +02:00
Robert Schmidt 2e252dd377 Implement E1 bearer release 2023-10-27 09:07:51 +02:00
Robert Schmidt ec60fd8157 E1 bearer modification: harmonize code 2023-10-27 09:07:51 +02:00
Robert Schmidt 380151faa7 E1 Bearer Context Setup Request: harmonize code 
- harmonize monolithic and E1AP case
- use ITTI message to send bearer context setup response to RRC
 2023-10-27 09:07:51 +02:00
Robert Schmidt 0a6998db4b Select CU-UP based on slice 2023-10-27 09:07:51 +02:00
Robert Schmidt e07a741ee0 Handle multiple CU-UPs in one CU-CP 
This commit introduces the capability to handle multiple CU-UPs. It uses
a RB tree and puts the CU-UPs into the tree. Upon the connection, it
associates UEs to CU-UPs in a round-robin fashion.
 2023-10-25 20:22:32 +02:00
Robert Schmidt b08ce59bc2 Pass assoc_id to RRC and use when sending E1AP messages 2023-10-25 20:22:32 +02:00
Robert Schmidt 7d37143bac Read and forward NSSAI in E1AP Setup Request 2023-10-25 20:22:32 +02:00
Robert Schmidt b26dcc1ee5 Store E1 Setup Request at RRC 2023-10-25 20:22:32 +02:00
Robert Schmidt 23eaea4b8d Move CU-UP related processing to separate file 
A later commit will introduce an RB tree to manage multiple CU-UPs. The
RB tree implementation relies on some macros that generate RB tree
functions. Functions using the RB tree implementation will be grouped in
this file.
 2023-10-25 20:22:32 +02:00
Robert Schmidt f721b13982 Fix: E1 PDU Session has NSSAI, not only SST 2023-10-25 20:22:32 +02:00
Robert Schmidt c3927fa6b7 Fix bug: correct PLMN in check in E1AP Setup Req handler 2023-10-25 20:22:32 +02:00
Robert Schmidt c3f19a4ead Move "UM on default DRB" param to RRC config, make it bool 2023-10-25 20:22:31 +02:00
Robert Schmidt d58ebfcaab Remove unused RRC variables 2023-10-25 20:22:31 +02:00
Robert Schmidt e49608339a Add TODO regarding E1 & reestablishment 
For the reestablishment, we need to tell the PDCP it needs to reset the
SN counters. This does not work over E1; add a TODO in the code.
 2023-10-25 20:22:31 +02:00
Robert Schmidt 4852354dac Correct banner mail 2023-10-25 20:22:31 +02:00
Robert Schmidt 91a30e9a2a Correct return type of do_RRCSetupRequest() 2023-10-10 15:40:26 +02:00
Robert Schmidt 7157e7fd9a Remove unused fields of NR_RRC_MAC_CCCH_DATA_IND message 2023-10-10 15:40:26 +02:00
francescomani 9189129985 Use SRB0 at UE 
- Use SRB0 TM entity at UE for Msg.3/RRC Setup Request
- Msg3 data request sent upon reception of Msg2, then we get data from
  rlc when needed
 2023-10-10 15:40:26 +02:00
Robert Schmidt 653e66594d Merge remote-tracking branch 'origin/f1ap-msg-correction' into integration_2023_w40 2023-10-08 14:56:09 +02:00
Robert Schmidt c3df9c277f Remove warning about new CellGroupConfig 
It is *normal* to receive new CellGroupConfigs from the DU, hence a
warning is not warranted.
 2023-10-08 12:28:30 +02:00
Robert Schmidt d6285354e4 Properly formulate assert message 2023-10-04 14:30:27 +02:00
Robert Schmidt f3910e7707 MeasConfig: give SSB ARFCN, not Point A 
The UE should measure on the SSB, otherwise it does not see anything.
Hence, this commit fixes the meas-config to request the UE to measure
on the right frequency.
 2023-10-03 11:19:09 +02:00
Robert Schmidt 6a7d7e1844 Telnet module to manually/release DRBs of UE 2023-10-02 14:57:03 +02:00
Robert Schmidt 203df298a8 Provide possibility to release DRBs in RRC 
- Currently no fields to store DRB release: need persist in ASN
  structure
- This will be revisited once there is E1 bearer release release
 2023-10-02 14:57:03 +02:00
Robert Schmidt dc64ac3ab3 Rename nr_rlc_release_entity() for consistency 
Most functions start with nr_rlc_*(), so do the same for release
 2023-10-02 14:57:03 +02:00
Robert Schmidt 51862543e4 Rename to nr_pdcp_release_{d,s}rb() for consistency 
Most functions start with nr_pdcp_*(), so do the same for release.
 2023-10-02 14:57:03 +02:00
Robert Schmidt 6a076c8490 F1 UE Context Modif Req: Implement DRB Release 
- Add necessary fields to F1 message
- Add F1AP encoding/decoding of UE Ctxt Modif Req DRB Release
 2023-10-02 14:57:03 +02:00
Robert Schmidt f5cc51b4a8 Merge remote-tracking branch 'origin/NR_UE_RRC_manage_RLC_PDCP' into integration_2023_w38 2023-09-24 17:42:58 +02:00
francescomani cf1baafd75 fixing release according to review 2023-09-22 11:52:24 +02:00
francescomani e7c626a79e release RB entities 2023-09-22 11:40:49 +02:00
francescomani 18892963a9 cleanup and fixes 2023-09-22 11:40:49 +02:00
francescomani 3d824e3958 handling release of RLC entity 2023-09-22 11:40:49 +02:00
francescomani f8464b9e91 MAC configuration of logical channel identities 2023-09-22 11:40:49 +02:00
francescomani 0982bf2683 correctly setting SRB IDs when calling PDCP and code refactoring 2023-09-22 11:40:49 +02:00
francescomani 53348bd41d improving DRB management at RRC UE 2023-09-22 11:40:49 +02:00
francescomani b0b57402f3 managing RLC bearer configuration at RRC UE 2023-09-22 11:40:49 +02:00
francescomani d8cb2491bd improve handling of SRBs at RRC UE 2023-09-22 11:40:49 +02:00
Robert Schmidt 3f46a71157 SCTP assoc_id: Make it sctp_assoc_t, project-wide 2023-09-22 08:22:15 +02:00
Robert Schmidt f5c90ead7e Free DU at CU on lost connection, store assoc ID 
- store the assoc ID of a UE at the RRC
- if F1 receives an SCTP shutdown, it removes the endpoint
- F1 will also send an "F1 Lost Connection" message to the RRC
- it is not yet possible to reconnect a DU after it had already been
  connected at the CU, since the CU F1AP task will try to rebind GTP,
  which fails
 2023-09-22 08:22:15 +02:00
Robert Schmidt 62fd56f904 DCCH free memory 2023-09-22 08:22:15 +02:00
Robert Schmidt 567ab39153 Free RRC UE data 2023-09-22 08:22:15 +02:00
Robert Schmidt 78290f9127 Fix memory leak in rrc_gNB_decode_dcch() 
- Free the memory
- for NGAP NAS UL and NAS First request, allocate memory to avoid
  use-after-free errors
 2023-09-22 08:22:15 +02:00
Robert Schmidt 6f8a222698 Free default MeasConfig 2023-09-22 08:22:15 +02:00
Robert Schmidt 1a09c6eeb0 Fix memory leak in nr_rrc_gNB_decode_ccch() 2023-09-22 08:22:15 +02:00
Robert Schmidt 885a029abc Fix memory leaks in do_NR_DLInformationTransfer() 2023-09-22 08:22:15 +02:00
Robert Schmidt a4c75620ee Fix memory leaks in do_NR_RRCRelease() 2023-09-22 08:22:15 +02:00
Robert Schmidt a3382f8faa Fix memory leaks in do_RRCSetup() 2023-09-22 08:22:15 +02:00