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14 Commits

Author SHA1 Message Date
Sukchan Lee cf4ad1f248 [PFCP] Session removal while waiting PFCP reply (#3040) 
'node_timeout' and some other functions can remove a smf_sess_t
while that session is still waiting for a PFCP reply
and has an active PFCP xact.

In this case, xact->data points to the deleted session
and xact's timeout function (sess_5gc_timeout for example)
eventually refers to this already freed session.

This fix prevents duplicate deletes from occurring by checking to see
if the session context has already been deleted when the timeout occurs.

Additionally, it moves session deletions out of timer callbacks into
state machine by reselect_upf().

Due to the way 'ogs_timer_mgr_expire' calls timer callbacks,
one must not stop or expire timers from within a timer callback.

And now one must not remove sessions from within a timer callback.
 2024-03-24 09:50:23 +09:00
mitmitmitm 6273ca5c43 [SMF] Reject session on PFCP sess. est. timeout 2023-07-15 23:29:24 +09:00
Sukchan Lee ad9e5b28cf [SBI] Added Handler for Subscription PATCH (#2152) 2023-03-12 22:06:19 +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 5e18b2bd13 [SCP] Support of Indirect Communication 2022-07-16 13:27:18 +09:00
Sukchan Lee 72ecd1c005 [SMF] Remove T_RELEASE_HOLDING timer 2022-03-17 16:07:19 +09:00
Sukchan Lee b6bcbac3e3 fix: Add the exception handling (#804) 
When UE/gNB repeatedly sends NGAP message repeatedly, AMF crashed.
Exception routines have been added to resolve this issue.
 2021-02-15 12:17:33 -05:00
Sukchan Lee 18c483950c Change Number of UEs usage [#533] 
- Set the number of UEs in units of AMF/MME instead of gNB/eNB.
- See default value as shown below
    Number of UEs per AMF/MME : 4,096
    Number of gNB/eNB per AMF/MME : 32
 2020-08-25 23:05:01 -04:00
Sukchan Lee 2b2c51722f fix the 5GC test program 2020-07-29 23:26:12 -04:00
Sukchan Lee 0cabf9de11 Synchronize all timers [#512] 2020-07-26 21:02:40 -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 d0673e3066 Added NRF 2020-05-18 17:00:37 -04:00
Sukchan Lee ae75f43a88 Initial proposal CUPS using PFCP 2020-04-26 15:36:05 -04:00