85 Commits (c51a8bfe9d4d313af601b29b74bf98f35dc03b61)

Author SHA1 Message Date
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.
6 years ago
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
6 years ago
Pedro Alvarez add60c1288 Applied clang-format to the EPC. 6 years ago
Pedro Alvarez 0d80ae795b Added IMSI attach from unknown UE as a static function. 6 years ago
Pedro Alvarez 860e1b5491 Changing Handling of initial UE NAS messages to use static methods. Handling of unknown GUTI attach request should be ok. 6 years ago
Pedro Alvarez 93222f582c Changed authentication response to use downlink_nas_transport(). 6 years ago
Pedro Alvarez 872f7adc49 Added find imsi from TMSI helper function. 6 years ago
Pedro Alvarez 4ba777c9c3 Added nas log. Fixed gen_auth_info_anwser. Authentication is working again. 7 years ago
Pedro Alvarez f03967776a Continuing to clean nas.cc 7 years ago
Pedro Alvarez 6ef3124fc9 Fixed up release ue ctx command. 7 years ago
Pedro Alvarez 85672d4a3f Fixing up s1ap.cc 7 years ago
Pedro Alvarez 3663d59920 Starting to add s1ap_interface_gtpc and s1ap_interface_nas. Adapting send initial context setup request accordingly. 7 years ago
Pedro Alvarez 4c164acbc3 Moving many of the functions fron s1ap_nas_transport to it's own NAS class. 7 years ago
Pedro Alvarez 151efc61d5 Added s1ap_tx_pdu function. This function will record to pcap if PCAP is enabled. 7 years ago
Pedro Alvarez b89ad628e2 Added config option to enable pcap. 7 years ago
Pedro Alvarez ba5708dc60 Starting to add S1AP pcap to EPC. 7 years ago
Pedro Alvarez 362c856e53 Changed UE set to be accessible from SCTP association. 7 years ago
Pedro Alvarez 300b9e7757 Starting to add UEs to the eNB context again. 7 years ago
Pedro Alvarez a6fbdb62cd Adding function to mark the UE as present to in the eNB 7 years ago
David Rupprecht 06d4559294 Change include path absolut to project dir 7 years ago
David Rupprecht 9d71bec7b6 Unified include guards 7 years ago
Pedro Alvarez b1f4ee47d1 Temporally removed unhandled UE cap info. 7 years ago
Pedro Alvarez 1f3ccb9bda Fixed bug in integrity check, UE is IMSI attaching again. 7 years ago
Pedro Alvarez 9617a63d27 continuing to change the way context is stored. Compiling now. 7 years ago
Pedro Alvarez 7d37c6b9c3 Continuing to fix compilation issues. Starting to change S1AP to use the new functions to store ctx. 7 years ago
Pedro Alvarez be84ee854a Changing the way that ECM context is stored to keep uplink teids active when the context is release. 7 years ago
Pedro Alvarez a3b31966b8 Changing Activate EPS bearer function to work with IMSI. 7 years ago
Pedro Alvarez ecb846717c Starting to handle UE capability info indication 7 years ago
Pedro Alvarez c6e2f144d7 Merging next into guti_attach branch 7 years ago
Pedro Alvarez 3f7bea1af6 Starting to integrity check GUTI attach. Integrity failing for now. 7 years ago
Pedro Alvarez 2cc717b506 Starting to check NAS intgrity of GUTI attach. 7 years ago
Pedro Alvarez 386e56ef40 Fixed bug when GUTI is unknown but EMM context was previously present. Added function to delete EMM context. 7 years ago
Pedro Alvarez 95bc4f8b08 adding tmp emm storage for when the UE uses an unknown guti and id request has to be sent. 7 years ago
Pedro Alvarez d9da1f84f0 Continuing to separate EMM and ECM context 7 years ago
Pedro Alvarez 336af1ed93 Adding functions to get context from IMSI or MME UE S1AP Id. 7 years ago
David Rupprecht 8ea2e73b63 Making hss an interface for testing 7 years ago
Pedro Alvarez 45effcca08 Starting to add GUTI attach support. 7 years ago
Pedro Alvarez 84e0723c3d Starting to add the mechanisms to perform GUTI attach. 7 years ago
Pedro Alvarez 3beb708806 Moved context mangement functions to s1ap_ctx_mngmnt_proc class. 7 years ago
Pedro Alvarez c5b1b7edc3 Continuing to cleanup. moving procedures to ctx_mngmt_proc. 7 years ago
Pedro Alvarez 05604ec6eb Added UML diagram to docs 7 years ago
Pedro Alvarez c08b89f3e5 Continuing cleaning up. Moved a lot of functionality to nas_transport 7 years ago
Pedro Alvarez 1f55db09dc Deleted unused functions 7 years ago
Pedro Alvarez d3e1e7d853 Continuing to cleanup. Moved initial ue message to nas_transport 7 years ago
Pedro Alvarez 1fb304ddd3 Continuing to clean up. Moved S1 setup request to s1ap_mngmnt_proc 7 years ago
Pedro Alvarez a5633bf143 Continuing to clean S1AP 7 years ago
Pedro Alvarez da7c105a29 Starting to cleanup S1AP 7 years ago
Pedro Alvarez a4e1707835 Fixed bug in packing ESM information request. 7 years ago
Pedro Alvarez 39e34a7bf9 Starting to send ESM information request msg when required. 7 years ago
Pedro Alvarez d18ff13d27 Modify Bearer response parsed ok. Starting to setup the user-plane tunnels 7 years ago