Commit Graph

90 Commits

Author SHA1 Message Date
Francisco Paisana 510959b50f update nr asn1 files, and asn1 tests 2020-12-12 15:58:32 +01:00
Pedro Alvarez f85fe1c5ac Don't allow S1 setup with mis-matched TA codes between eNB and EPC. 2020-09-16 13:41:47 +02:00
Xavier Arteaga e832769ae6 Updated copyright 2020-03-16 11:26:06 +01:00
Pedro Alvarez bd3598f774 Moved srsEPC to the new S1AP library. Deleted liblte_s1ap.cc and liblte_s1ap.h. 2020-03-06 11:57:07 +00:00
Andre Puschmann 4b01a2e4a0 update copyright notice 2019-04-29 09:20:02 +02:00
Pedro Alvarez ca603810ce Adding Downlink data notification and paging functionality to the EPC.
This entails:

  * Adding S1AP paging messaging to the MME.
  * Adding the Downlink Data Notification, Donlink Data Notification Acknoledgment, and Downlink Data Notification Failure Messages.
  * Adding the logic at the GTP-U to detect that Downlink Data notification needs to be sent.
  * Proper handling of the new GTP-C messages at the MME GTPC and SPGW GTPC classes
  * Add queuing mechanisms at the GTP-U while waiting for paging response. Queue is flushed when paging fails (timeout or other).
  * Make sure eNB's SCTP information is properly stored.
  * Make sure UE's GUTI information is properly stored.
2019-04-09 16:59:44 +02:00
Pedro Alvarez 1db959c661 Added NAS timer functionality to the EPC. This entails:
* Adding timer creation at NAS using timerfd_create
  * Adding the ability to add and remove the timer file descriptor to the MME main select loop
  * Adding the ability to the MME for the NAS to check if a timer is running
  * Adding the timer expiry handling functionality at the MME
2019-04-08 13:05:54 +02:00
Pedro Alvarez add60c1288 Applied clang-format to the EPC. 2019-03-20 14:00:02 +01:00
Pedro Alvarez 0d80ae795b Added IMSI attach from unknown UE as a static function. 2018-08-27 19:17:23 +01:00
Pedro Alvarez 860e1b5491 Changing Handling of initial UE NAS messages to use static methods. Handling of unknown GUTI attach request should be ok. 2018-08-27 16:06:18 +01:00
Pedro Alvarez 93222f582c Changed authentication response to use downlink_nas_transport(). 2018-08-21 15:17:08 +01:00
Pedro Alvarez 872f7adc49 Added find imsi from TMSI helper function. 2018-08-20 17:59:50 +01:00
Pedro Alvarez 4ba777c9c3 Added nas log. Fixed gen_auth_info_anwser. Authentication is working again. 2018-07-24 18:38:16 +01:00
Pedro Alvarez f03967776a Continuing to clean nas.cc 2018-07-20 19:50:46 +01:00
Pedro Alvarez 6ef3124fc9 Fixed up release ue ctx command. 2018-07-20 14:54:03 +01:00
Pedro Alvarez 85672d4a3f Fixing up s1ap.cc 2018-07-18 17:25:37 +01:00
Pedro Alvarez 3663d59920 Starting to add s1ap_interface_gtpc and s1ap_interface_nas. Adapting send initial context setup request accordingly. 2018-07-16 13:50:12 +01:00
Pedro Alvarez 4c164acbc3 Moving many of the functions fron s1ap_nas_transport to it's own NAS class. 2018-07-13 17:28:20 +01:00
Pedro Alvarez 151efc61d5 Added s1ap_tx_pdu function. This function will record to pcap if PCAP is enabled. 2018-07-10 15:18:31 +01:00
Pedro Alvarez b89ad628e2 Added config option to enable pcap. 2018-07-10 14:23:21 +01:00
Pedro Alvarez ba5708dc60 Starting to add S1AP pcap to EPC. 2018-07-09 19:17:31 +01:00
Pedro Alvarez 362c856e53 Changed UE set to be accessible from SCTP association. 2018-04-18 11:28:01 +01:00
Pedro Alvarez 300b9e7757 Starting to add UEs to the eNB context again. 2018-04-16 14:54:55 +01:00
Pedro Alvarez a6fbdb62cd Adding function to mark the UE as present to in the eNB 2018-04-12 17:17:49 +01:00
David Rupprecht 06d4559294 Change include path absolut to project dir 2018-04-01 18:08:24 +02:00
David Rupprecht 9d71bec7b6 Unified include guards 2018-03-31 19:04:04 +02:00
Pedro Alvarez b1f4ee47d1 Temporally removed unhandled UE cap info. 2018-03-26 11:58:35 +01:00
Pedro Alvarez 1f3ccb9bda Fixed bug in integrity check, UE is IMSI attaching again. 2018-03-14 18:07:07 +00:00
Pedro Alvarez 9617a63d27 continuing to change the way context is stored. Compiling now. 2018-03-14 15:39:43 +00:00
Pedro Alvarez 7d37c6b9c3 Continuing to fix compilation issues. Starting to change S1AP to use the new functions to store ctx. 2018-03-14 13:36:20 +00:00
Pedro Alvarez be84ee854a Changing the way that ECM context is stored to keep uplink teids active when the context is release. 2018-03-14 11:14:44 +00:00
Pedro Alvarez a3b31966b8 Changing Activate EPS bearer function to work with IMSI. 2018-03-07 18:48:08 +00:00
Pedro Alvarez ecb846717c Starting to handle UE capability info indication 2018-02-27 13:33:43 +00:00
Pedro Alvarez c6e2f144d7 Merging next into guti_attach branch 2018-02-19 19:38:21 +00:00
Pedro Alvarez 3f7bea1af6 Starting to integrity check GUTI attach. Integrity failing for now. 2018-02-12 16:19:31 +00:00
Pedro Alvarez 2cc717b506 Starting to check NAS intgrity of GUTI attach. 2018-02-08 13:57:30 +00:00
Pedro Alvarez 386e56ef40 Fixed bug when GUTI is unknown but EMM context was previously present. Added function to delete EMM context. 2018-02-07 18:13:51 +00:00
Pedro Alvarez 95bc4f8b08 adding tmp emm storage for when the UE uses an unknown guti and id request has to be sent. 2018-02-07 14:11:42 +00:00
Pedro Alvarez d9da1f84f0 Continuing to separate EMM and ECM context 2018-02-05 15:33:16 +00:00
Pedro Alvarez 336af1ed93 Adding functions to get context from IMSI or MME UE S1AP Id. 2018-02-05 12:26:23 +00:00
David Rupprecht 8ea2e73b63 Making hss an interface for testing 2018-01-29 16:12:36 +01:00
Pedro Alvarez 45effcca08 Starting to add GUTI attach support. 2018-01-10 17:04:36 +00:00
Pedro Alvarez 84e0723c3d Starting to add the mechanisms to perform GUTI attach. 2018-01-10 11:35:08 +00:00
Pedro Alvarez 3beb708806 Moved context mangement functions to s1ap_ctx_mngmnt_proc class. 2017-12-27 16:21:30 +00:00
Pedro Alvarez c5b1b7edc3 Continuing to cleanup. moving procedures to ctx_mngmt_proc. 2017-12-22 16:11:51 +00:00
Pedro Alvarez 05604ec6eb Added UML diagram to docs 2017-12-22 00:14:42 +00:00
Pedro Alvarez c08b89f3e5 Continuing cleaning up. Moved a lot of functionality to nas_transport 2017-12-20 18:16:54 +00:00
Pedro Alvarez 1f55db09dc Deleted unused functions 2017-12-20 15:33:56 +00:00
Pedro Alvarez d3e1e7d853 Continuing to cleanup. Moved initial ue message to nas_transport 2017-12-20 15:28:10 +00:00
Pedro Alvarez 1fb304ddd3 Continuing to clean up. Moved S1 setup request to s1ap_mngmnt_proc 2017-12-20 10:45:55 +00:00