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38 Commits

Author SHA1 Message Date
Sukchan Lee cc03c91bdd [AMF] 5G-GUTI generation changed (#910) 
The AMF shall assign a new 5G-GUTI for a particular UE:
a) during  a successful initial registration procedure;
b) during a successful registration procedure
   for mobility registration update; and
c) after a successful service request procedure invoked as a response
   to a paging request from the network and before the release
   of the N1 NAS signalling connection as specified in subclause 5.4.4.1.

The AMF should assign a new 5G-GUTI for a particular UE
during a successful registration procedure
for periodic registration update. The AMF may assign a new 5G-GUTI
at any time for a particular UE by performing
the generic UE configuration update procedure.
 2021-04-13 17:34:25 +09:00
Sukchan Lee fc5c9b2af0 Try to fix the UE infinite attach (#568) 
If both Delete-Session-Request/Response and
UEContextReleaseCommand/UEContextReleaseComplete are failed at the same time,
UE cannot attach to the EPC infinitely.

So, I've add the protection code
if timer expires when MME does not receive Delete-Session-Response.
 2021-03-09 14:28:07 +09:00
Sukchan Lee 388e64213f etc: miscellaneous work (#779) 
o Check IMEISV length == 16 digits
o Add Relative Capabity comment in the configuration file
 2021-01-29 00:10:17 -05:00
Sukchan Lee c9363b1320 5gc: Paging was added 2021-01-18 11:48:35 -05:00
Sukchan Lee 7b29cdf898 Handling UEContextRequest of InitialUEMessage 2021-01-07 22:26:06 -05:00
Sukchan Lee c9cfc4cf6e etc: update debug message 2021-01-04 23:24:22 -05:00
Sukchan Lee 93312e8f3d Fix the bug for S1-reset or eNB-restart(#627) 2020-10-28 22:59:27 -04:00
Sukchan Lee 8d55964bcc Change buffering instead of deleting [#592] 2020-10-08 22:54:13 -04:00
Sukchan Lee 88399da5b6 Fix release access bearer #592 2020-10-01 13:27:58 -04:00
Sukchan Lee 3554419d97 Fix the connection refused bug [#568, #551] 2020-09-24 21:29:48 -04:00
Sukchan Lee 887a0a10d3 Fixing the problem of the test program 2020-09-01 23:04:35 -04:00
Sukchan Lee 015a462ce9 Fix the bug for multiple Video Call (#535) 2020-08-29 10:53:02 -04:00
Sukchan Lee a71d2ee3db refine SGW/UPF selection code 2020-07-09 01:38:09 -04:00
Sukchan Lee 3b0db8c384 Fix the bug for Release-16 2020-07-03 01:03:13 -04:00
Sukchan Lee fae342ecce Apply Release-16 in 4G EPC(S1AP,NAS,GTP) 2020-07-01 00:22:55 -04:00
Sukchan Lee ca4ee27e84 more bug is fixed 2020-06-27 00:46:06 -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
Sukchan Lee 6f6800b52e NGAP is added 2020-05-22 22:24:48 -04:00
Sukchan Lee 636170e0da Review ogs_expect() (#314) 2019-11-30 16:45:09 +09:00
Spencer Sevilla 5b59f09d9f ogs_assert to ogs_expects (#314) 
* HACK: Don't retransmit InitialContextSetupReq

Related: #256

* HACK: Don't use buggy sa1p_copy()  in eNBConfigTransfer

Related: #257

* mme: don't reject with 'IMSI is unknown in HLR' (permanent reject)

* MME: Implement S6a result -> EMM cause code mapping

Closes: #263

* Spencer: modification to Haralds fix because macros are now renamed

* MME: don't assert on MAC failures of uplink NAS frames

Closes: #267

* MME: Avoid ogs_assert() in many situations

We don't want to crash the entire program just because a message
received from an external entity didn't match some of our expectations.

* compiles fine, checked DIFFs and only difference is the ogs_assert -> ogs_expect
 2019-11-29 15:31:22 +09:00
Sukchan Lee 7b7acea59b Add IMEISV(MEI) in Create Session Request 2019-11-18 20:21:20 +09:00
Sukchan Lee 552305afe2 Add IMEISV Request 2019-11-18 19:34:28 +09:00
Sukchan Lee 3c8af69805 Re-factoring the all library 2019-09-13 21:07:47 +09:00
Sukchan Lee 90290d236e [#220] T3460 done 2019-07-20 21:28:36 +09:00
Sukchan Lee 805869da4f [#220] Guard timer instance is created 2019-07-20 20:38:03 +09:00
Sukchan Lee 99d91da6eb Clarify code for pull request (#223) 2019-07-14 11:00:11 +09:00
Sukchan Lee 942b9466ef Attach Reject if UE indicates only EIA0 (#222) 2019-07-13 23:47:24 +09:00
Sukchan Lee 7d42465f4e [Done] SMS over SGs 2019-07-13 22:52:50 +09:00
Sukchan Lee 663861d17b [SMS] Add MO-SMS 2019-07-13 11:51:28 +09:00
Sukchan Lee 16a8bea96b [CSFB] MT in idle-mode 2019-07-08 18:15:19 +09:00
Sukchan Lee a6eb646b76 [SGsAP] MO CS fallback in idle-mode 2019-07-06 22:16:13 +09:00
Sukchan Lee cc83c6a586 [SGsAP] DETACH-INDICATOIN/ACK is done 2019-07-05 18:13:32 +09:00
Sukchan Lee 334c678995 Fix the Security Command Reject (#214) 2019-07-04 22:48:26 +09:00
Sukchan Lee 712b9c8334 [SGsAP] Add TMSI-REALLOCATION-COMPLETE 2019-06-22 12:11:07 +09:00
Sukchan Lee 693afa922f [SGsAP] Location Update process is done 2019-06-22 11:16:22 +09:00
Sukchan Lee c284ef7429 [SGsAP] build LOCATION-UPDATE-REQUEST 2019-06-20 21:22:51 +09:00
Sukchan Lee 477f16ad0b rename project done 2019-06-11 22:10:47 +09:00