60 Commits (b84e49310e1bceffb542c1eb96bd042c673c2ac4)

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
Francisco Paisana dc0b903130 added default enum inits 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
Francisco Paisana 80031d0846 shortened enumerated string/number conversion implementations. 6 years ago
Francisco Paisana ca3ea5e658 shortened enumerated types declarations 6 years ago
Francisco Paisana e50c062084 added extra separator comments 6 years ago
Francisco Paisana 0204db2e12 new asn1 rrc library 6 years ago
Pedro Alvarez 997c24c099 Added config of cipher_algo and integ_algo initialization in NAS class. 6 years ago
Pedro Alvarez 3205121015 M2 interface packing/unpacking (#305)
* Starting to add M2AP serialization structures.

* Added M2AP procedure ids.

* Added some M2AP max values.

* Removing m2ap.cc for now.

* Adding cause IE.

* Adding dummy m2ap.cc to check correct compilation of m2ap.h

* Fixed compilation issues in m2ap.h

* Adding Cell Information IE.

* Added Criticality diagnostics IE.

* Adding eNB-MBMS-ConfigurationDataItem.

* Adding MBMS-Service-Area-Id-List

* Added MBMS Service Area Id.

* Added Global eNB Id IE.

* Added Global MCE id IE.

* Added MBMS-Service-associatedLogicalM2-ConnectionItem IE.

* Added MBSFN_SUBFRAME_CONFIGURATION IE

* Added MCCHrelatedBCCH-ConfigPerMBSFNArea IE.

* Added MCH scheduling period IE.

* Added PMCH-Configuration IE.

* Added Time-to-Wait IE.

* Added TNL-Information IE.

* Starting to add M2SetupRequest msg.

* Adding M2 Setup Request message.

* Fixed up enums related to initiating messages, successful outcome and unscesseful outcome.

* Starting to add m2ap apck/unpack PDU functions.

* Started to add a test for M2 Setup Request Pack/Unpack.

* Filling in M2SetupRequest structure.

* Adding packing of more IEs in the M2SetupRequest.

* Starting to add unpacking functions to M2SetupRequest.

* Continuing to unpack M2SetupRequest. Unpacking PLMN Identity correctly now.

* Fixed up enb_id unpacking. eNB Id and eNB name unpacking correctly now.

* Starting to add unpacking for dataconfiguration item.

* Adding support for eCGI unpacking.

* Adding MBSFN Synchronization Area id Unpacking.

* Adding service area unpacking.

* Added unpacking functionality to the rest of the IEs in the M2 Setup Request. Unpacking the M2 Setup Request is passing unit test.

* Fized mistake in packing eNB Id. Starting to add packing to eCGI.

* Starting to pack value in ENB MBMS Configuration item.

* Fixed packing of ENB MBMS configuration item header.

* Packing of M2 Setup request is now passing the unit test.

* Starting to add M2setup response.

* Starting to add packing/unpacking succeful outcome.

* Starting to add M2SetupResponse to test.

* Continue to add testing to setup response. Choice type seems OK.

* Starting to add unpacking to MCE Id.

* Adding MCEname packing/unpacking.

* Continue to unpack m2setupresponse.

* Adding MBMS Area Id unpacking

* Added pddch length unpacking.

* Adding more IE unpacking.

* Adding more code to unpack M2 Setup response.

* Added M2 Setup response unpacking.

* Added M2 response packing. Fixed mistake on eCGI packing/unpacking, which broke M2 Setup request.

* M2 setup request and response pack and unpacking seems to work.

* Starting to add MBMS Session Start Request.

* Continue to unpack MBMS session start request.

* Added TMGI unpacking.

* Continue to add unpacking to MBMS session start request

* Starting to add TNL Information unpacking

* Added unpack for MBMS session start request.

* Strating to add MBMS session start request packing.

* Adding MCE MBMS M2AP Id packing.

* Added MBMS Session Start Reqeust pack and unpack.

* Added MBMS Session start response packing/unpacking.

* Starting to add unpacking of MBMS Scheduling information.

* Adding MCCH Update time Unpacking.

* Adding MBSFN Area Configuration List Unpacking.

* Starting to add unpack PMCH configuration Item.

* Adding AllocatedSubframesEnd unpack

* Fixed multiple mistakes in unpacking PMCH configuration.

* Unpacking MCH Scheduling Period

* Continue to unpack MBMS Session List Per PMCH Item.

* Added unpacking of PMCH Configuration List. Starting to add unpacking of MBSFN Subframe Configuration List.

* Adding radioframe allocation period and offset unpacking.

* Added unpacking of MBMS Scheduling Information (needs testing.)

* Added more testing to MBMS Scheduling Info.

* Small commit.

* Added more testing to the unpacking of MBMS Scheduling Information. Unpacking correctly now.

* Continue to pack MBMS Scheduling information. Packing PMCH Configuration.

* Fixed mistach in packing PMCH configuration list.

* Adding more packing to MBMS scheduling info message.

* Fixed more mistakes in MBMS Scheduling information packing. Passing tests now.

* Added MBMS Scheduling Information Response.

* Remove debug prints.
6 years ago
Andre Puschmann 23836a8ab3 Merge branch 'next' into nas_cleanup 6 years ago
Andre Puschmann 2645fb50b1 add aligned attribute to liblte_bit_msg_struct to fix issues on ARM 6 years ago
Pedro Alvarez 1fba7f0afa Moved function that gets NAS type string to liblte_mme.cc 6 years ago
Pedro Alvarez 127e214b07 Added function to print string of NAS message type based on the message code. 6 years ago
Andre Puschmann 9b894799f0 add support for ciphered authentication response 7 years ago
Pedro Alvarez 0a6540d8bf Saving QCI into ESM context. Different QCIs should be working now. 7 years ago
Pedro Alvarez 1b43c40422 Starting to add Bearer QoS IE to Create Session Request. 7 years ago
Andre Puschmann 9ce3be974a Merge branch 'next' into embms_merge_final 7 years ago
yagoda 49c3578f64 introducing embms support in common upper layer functions 7 years ago
Andre Puschmann a30ad8952c fix indent and simplify auth request packing 7 years ago
Andre Puschmann 4dc2951d59 perform initial attach with ESM info transfer 7 years ago
Andre Puschmann 455d4491c5 make RES length variable when packing auth response 7 years ago
Ismael Gomez b237d6063e Align header buffer to 8-byte boundary as expected by S1AP pack/unpack functions 7 years ago
Ismael Gomez 208871b251 Changed liblte structs to simple structs and initialized nas/rrc uses. 7 years ago
David Rupprecht 9d71bec7b6 Unified include guards 7 years ago
Pedro Alvarez 2cc4959667 Adding release access bearers request. 7 years ago
Pedro Alvarez e499fffe01 Starting to save GTP-C context in a map, to keep the GTP-C connection even when the NAS connection is released. 7 years ago
Pedro Alvarez 669ef9816f Added packing of TMSI to mobile station identity IE. 7 years ago
Pedro Alvarez 042552491b Merging next into epc branch. 7 years ago
Pedro Alvarez 8c9704ef3c Adding delete session request. 7 years ago
Pedro Alvarez a4e1707835 Fixed bug in packing ESM information request. 7 years ago
Pedro Alvarez 04d67509cf Getting all information necessary at the SP-GW to setup the user tunnels from the modify bearer response. 7 years ago
Pedro Alvarez d972549124 Starting to create structure for modify bearer response 7 years ago
Pedro Alvarez 9f994dba04 Starting to generate modify bearer request. Fixed bug in unpacking activate default bearer accept. 7 years ago
Ismael Gomez 9a255b477a Merge branch 'crypto' into mobility_crypto 7 years ago
Paul Sutton 84724d2ab1 NAS-plane encryption working (thanks to David Rupprecht) 7 years ago
Pedro Alvarez f71c87d895 Starting to add attach accept and activate default bearer request NAS messages. 7 years ago
Pedro Alvarez 13595ccb2d Added logging to MME GTP-C. Fixed weird comment bug. 7 years ago
Pedro Alvarez 6cd055e80e Continuing to work on initial context setup request. 7 years ago
Pedro Alvarez fd6baaf15c Changed S1AP to singleton. Continuing to work on the intial context setup request. Added a TEID to MME_UE_S1AP_ID map. 7 years ago
Pedro Alvarez ee21a277e5 Added PAA information in the create session response. 7 years ago
Pedro Alvarez d76daf3db5 Added GTP-C cause value enum. 7 years ago
Ismael Gomez d428760b20 Merge branch 'next' into mobility 7 years ago
Ismael Gomez 408545dab8 X2 (constant NCC) working 7 years ago
Paul Sutton d9b9ae9454 Fix for GUTI pack bug, add support for integrity with attach req 7 years ago
Pedro Alvarez 2172662388 Added initial create session response structure. Compiling now. 7 years ago
Pedro Alvarez ff32f31c9b Added structures to create session request. Starting to add create session response structure 7 years ago
Pedro Alvarez e754c6cbf5 Fixed more compilation bugs. Bearer context IE still needs to be added. 7 years ago
Pedro Alvarez ccbeb9e1c5 Fixed a bunch of compilation errors. 7 years ago
Pedro Alvarez a8a370ec21 Starting to add Create Session Request function 7 years ago