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30 Commits

Author SHA1 Message Date
Sukchan Lee 1dc4300203 [AMF] ran_ue can be NULL in IMPLICIT Dereg (#2999) 
When we try to send an SBI message to SMF to release a session,
sometimes ran_ue is NULL. This happens when the Mobile Reachable Timer expires
and Implicit Deregistration is triggered.

To account for this case, we added the `ran_ue` parameter to the SBI interface
and made it work even if it is NULL.
 2024-03-22 06:51:09 +09:00
Bostjan Meglic 474b2d4134 [SBI,NF] Don't treat SBI connection errors as asserts 2023-02-07 22:49:11 +09:00
Sukchan Lee 8a92c7e219 [AMF] Network-Initiated Deregister (#2014, #2021) 
Fixed a bug network-initiated implicit/explict deregistration
 2023-02-04 20:43:31 +09:00
Sukchan Lee 8a6c36daca [AMF] Network Initiated De-Register (#2014, #2021) 
Resolved Network Initiated Implicit/Explicit De-Registration
 2023-01-29 22:44:44 +09:00
Sukchan Lee 9f4a9790e3 [AMF] Follow-up on #1987 
[AMF] Implicit Network-initiated Deregistration

    Two timers are introduced (both with duration of T3512 + 4 min):
    -MOBILE_REACHABLE
    -IMPLICIT_DEREGISTRATION
    MOBILE_REACHABLE is set when NAS connection for the UE is released.
    IMPLICIT_DEREGISTRATION is set when MOBILE_REACHABLE expires.

    On MOBILE_REACHABLE expiry Paging is ignored.
    On IMPLICIT_DEREGISTRATION expiry:
    -UE's RM_State is set to DEREGISTERED
    -UE is Nudm_SDM_Unsubscribed
    -UE is Nudm_UECM_Deregistered
    -PDU sessions are released
    -AM policies are deleted

    Existing flag amf_ue->network_initiated_de_reg is used.
 2023-01-08 13:53:48 +09:00
Sukchan Lee 5ccb5f0f99 SCP(Model D) is now the default setting. 2022-10-22 11:26:04 +09:00
Sukchan Lee 5295c108ad Added Service-based NF discovery 
== Known limitation ==
Placing npcf-smpolicycontrol and pcf-policyauthorization
in different NFs is not supported. Both npcf-smpolicycontrol
and pcf-policyauthorization should be placed in the same NF.
 2022-09-02 23:04:57 +09:00
Sukchan Lee f020732ce9 [SBI] Support service-names in discovery option 2022-08-27 00:12:22 +09:00
Sukchan Lee e6a14cb73d Move src/../nf-sm.[ch] to lib/sbi/nf-sm.[ch] 2022-08-12 14:03:53 +09:00
Sukchan Lee a5010a61ef Support Discovery Optional Parameter (#1671) 
To support target-nf-instance-id in the discovery,
Discovery optional parameter is implemeted
 2022-07-24 15:10:09 +09:00
Sukchan Lee 5e18b2bd13 [SCP] Support of Indirect Communication 2022-07-16 13:27:18 +09:00
Sukchan Lee acd67c7aa6 [5GC] Service Request Race Condition(#1226) 
When UE-triggered and Network-triggered Service Request was occurred at
the same time, we need UPF deactivation and UEContextRelease
 2021-11-28 20:54:51 +09:00
Sukchan Lee 118d62d42d Add more memory log 2021-06-06 22:35:46 +09:00
Sukchan Lee 9af4268bab arch: DB schema Changes (#796) 
- New function : NSSF
- New feature : SMF selection
 2021-03-08 21:25:09 +09:00
Sukchan Lee 5e839e25fe fix: amf crash bug (#793) 2021-02-03 23:49:16 -05:00
Sukchan Lee d9417be9a6 feat: Handling Duplicated PDU Session ID 
TS29.502 5.2.2.3.11 AMF requested PDU Session Release due to duplciated
PDU Session Id
 2021-02-01 10:14:27 -05:00
Sukchan Lee 49a9e58efe feat: Add N2-Handover 2021-01-28 14:23:54 -05:00
Sukchan Lee ada01fca8f spec: S1AP/NGAP update to v16.4.0(2021-01-04) 2021-01-24 23:43:42 -05:00
Sukchan Lee c9363b1320 5gc: Paging was added 2021-01-18 11:48:35 -05:00
Sukchan Lee 235a041b8d feat: Add dedicated QoS flow 2020-12-31 21:07:08 -05:00
Sukchan Lee 198abc6e8b Add PCF(Policy Control Function) 2020-12-11 14:03:20 -05:00
Sukchan Lee f1a207fd9b Support VoLTE service in ECM-IDLE 2020-11-07 17:27:12 -05:00
Sukchan Lee 9f24b7f295 Fix the AMF bug and add TLV log [#521] 2020-08-07 11:57:17 -04:00
Sukchan Lee bcffdd823e Re-factoring 5GC for solving crash issue 2020-08-02 23:22:41 -04:00
Sukchan Lee a71d2ee3db refine SGW/UPF selection code 2020-07-09 01:38:09 -04:00
Sukchan Lee 6e84ac670d Bug fixed for 5G core 2020-06-25 00:37:29 -04:00
Sukchan Lee b35c2277be simple 5GC registration is done 2020-06-21 23:10:54 -04:00
Sukchan Lee dbee687a75 Add only one 5GC scenario (call-flow) 2020-06-17 01:22:28 -04:00
Sukchan Lee 72370ff0b2 Add AUSF, UDM, and UDR 2020-06-04 14:12:05 -04:00
Sukchan Lee 6ef5a746e5 NGSetup is added 2020-05-25 12:15:22 -04:00