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
3933b269d7
Added GTP-C message passing between MME and SPGW using UNIX sockets.
...
* Added S11 sockets to SPGW select and MME select
* Added send_s11_pdu message to SPGW and MME
* Remove pointer for replies in handle_s11_pdu
6 years ago
Pedro Alvarez
3e9f10e20d
Adding S11 initialization in MME and SPGW as unix sockets.
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
6e500c5b86
Changed initilization of the NAS at the EPC, to make it easier to add new interfaces.
6 years ago
Pedro Alvarez
add60c1288
Applied clang-format to the EPC.
6 years ago
Pedro Alvarez
179aeddfa2
Added encryption of security mode command and attach accept again. Attach is working with encryption.
6 years ago
Pedro Alvarez
997c24c099
Added config of cipher_algo and integ_algo initialization in NAS class.
6 years ago
Pedro Alvarez
5eacdd5418
Fixed compilation issues. Attach failing with COTS UE.
6 years ago
Pedro Alvarez
31a25067f5
Merging David Ruprecth's mme_msg_encryption branch into next. Not compiling.
6 years ago
David Rupprecht
c480e57721
Config based security algorithm selection
6 years ago
David Rupprecht
e547883a8f
Wrapper functions for integrity generate
6 years ago
David Rupprecht
7eef2c1c4b
start with decryption function
6 years ago
Pedro Alvarez
9350e03810
Changed detach request and tracking area update request to nas.cc
6 years ago
Pedro Alvarez
a9e5b3b8e9
Changed service request to nas.cc
6 years ago
Pedro Alvarez
3337f21ffa
Added handle GUTI attach from known UE again.
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
9e808ff968
Starting to handle NAS initial UE messages as static methods of the nas class.
6 years ago
Pedro Alvarez
e3286897ce
Changed the rest of the nas handling to use send_downlink_nas_transport.
6 years ago
Pedro Alvarez
f1d30c7f23
Changed handle guti_attach_from_known_ue and unknown_ue to use send_downstream_nas_message.
6 years ago
Pedro Alvarez
dd725be60c
Changed pack identity request.
6 years ago
Pedro Alvarez
65a5139751
Fixed mistake in downlink nas transport. Changing authication request to use downlink_nas_transport.
6 years ago
Pedro Alvarez
21c34b9ce5
Changing security mode complete to use downlink nas transport
6 years ago
Pedro Alvarez
93222f582c
Changed authentication response to use downlink_nas_transport().
6 years ago
Pedro Alvarez
3073ab6822
Changed dettach request to use downlink nas transport.
6 years ago
Pedro Alvarez
749e84315a
Starting to add send_downlink_nas_transport helper function.
6 years ago
Pedro Alvarez
872f7adc49
Added find imsi from TMSI helper function.
6 years ago
Pedro Alvarez
fa0c8d5995
Moved most of IMSI attach request into nas.cc.
6 years ago
Pedro Alvarez
f6b8982939
Moved most of the GUTI attach to nas.cc.
6 years ago
Pedro Alvarez
c518d3fde3
Starting to move inital UE messages to nas.cc. Breaking up attach request handling into smaller functions.
6 years ago
Pedro Alvarez
55675eb532
Fixed bug in setting MCC and MNC in attach accept. Attach seems to be working again.
6 years ago
Pedro Alvarez
7c53330bec
Fixed NAS initialization. Attach request seems to work again now.
6 years ago
Pedro Alvarez
4ba777c9c3
Added nas log. Fixed gen_auth_info_anwser. Authentication is working again.
6 years ago
Pedro Alvarez
de8679b536
Continuing to cleanup. Starting to compile again.
6 years ago
Pedro Alvarez
406d198eac
Cleaning up nas.cc
6 years ago
Pedro Alvarez
f03967776a
Continuing to clean nas.cc
6 years ago
Pedro Alvarez
6ef3124fc9
Fixed up release ue ctx command.
6 years ago
Pedro Alvarez
b25c12a084
Fixing nas.cc
6 years ago
Pedro Alvarez
85672d4a3f
Fixing up s1ap.cc
6 years ago
Pedro Alvarez
d8f1b3c88d
Moved uplink nas messages to nas.cc. s1ap_nas_transport is compiling.
6 years ago
Pedro Alvarez
1bad88a432
Changing integrity functions in nas.cc
6 years ago
Pedro Alvarez
5fd337a7ad
Continue to move uplink NAS into nas.cc.
6 years ago
Pedro Alvarez
4d40e9ca2d
Temporarilly changing ESM state back to previous definition.
6 years ago
Pedro Alvarez
c1eff4ce73
Changing pack accept
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
f33fcf65bf
Fixing up S1AP context management procedures to use the new class.
6 years ago
Pedro Alvarez
4c164acbc3
Moving many of the functions fron s1ap_nas_transport to it's own NAS class.
6 years ago
Pedro Alvarez
41a5788cc7
Adding nas.h
6 years ago