24 Commits (1e2153769ef7bd052dc7a9abc56be2d3d770b4aa)

Author SHA1 Message Date
Pedro Alvarez 0c20b7a455 Added support for S1AP modify bearer request support. This includes:
- Handle received E-RAB S1AP at s1ap.cc.
 - Added methods to rrc.cc, rrc_ue.cc and rrc_bearer_cfg.cc to handle erab modify request.
 - Made RLC add_bearer() function capable of re-creating the RLC entity.
 - Send RRC reconfiguration to the UE and reply to the EPC with S1AP
   modify bearer response.

This commit also adds support to srsEPC to send S1AP modify bearer request for
testing purposes.
4 years ago
Pedro Alvarez 7eebd71627 Added S1AP E-RAB release command/response handling to srsENB.
Added the ability to srsEPC to send the E-RAB release command.
4 years ago
Andre Puschmann 07d2bc4fe8 change license header to agnostic version with hint to root LICENSE file 4 years ago
Xavier Arteaga e832769ae6 Updated copyright 5 years ago
Pedro Alvarez c5979f59eb Clang format UE, eNB and lib (#850)
* Clang-formated UE, eNB and lib.
* Fixed compiling errors from clang-format.
* Fix linking issues introduced by clang-format
* Fix poor formating in initializing arrays of arrays.
* Fix mistake in conflict resolution on rm_turbo.c
* Re-apply clang format to gtpc_ies.h
5 years ago
Andre Puschmann 4b01a2e4a0 update copyright notice 6 years ago
Ismael Gomez 7780b1aba5 add tdd/ca support 6 years ago
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 5f7b6ba79e Split GTP-C and GTP-U functionality into seperate classes in the SPGW. Added GTP-U specific logging in the EPC. Added handle_s11_pdu function to both the MME GTP-C entity and the SPGW GTP-C entity. 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 f6b8982939 Moved most of the GUTI attach to nas.cc. 6 years ago
Pedro Alvarez de8679b536 Continuing to cleanup. Starting to compile again. 6 years ago
Pedro Alvarez f03967776a Continuing to clean nas.cc 6 years ago
Pedro Alvarez b25c12a084 Fixing nas.cc 6 years ago
Pedro Alvarez 85672d4a3f Fixing up s1ap.cc 6 years ago
Pedro Alvarez 3663d59920 Starting to add s1ap_interface_gtpc and s1ap_interface_nas. Adapting send initial context setup request accordingly. 6 years ago
Pedro Alvarez 66db3deeb4 Starting to add Bearer QoS parameter to create session request. 6 years ago
David Rupprecht 9d71bec7b6 Unified include guards 7 years ago
David Rupprecht 5db5399b2f Added HSS sync support (not tested) 7 years ago
David Rupprecht 3ead643c64 Introducing epc interfaces for hss and srsepc namespace 7 years ago