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
Francisco Paisana
510959b50f
update nr asn1 files, and asn1 tests
4 years ago
Pedro Alvarez
f85fe1c5ac
Don't allow S1 setup with mis-matched TA codes between eNB and EPC.
4 years ago
Xavier Arteaga
e832769ae6
Updated copyright
5 years ago
Pedro Alvarez
bd3598f774
Moved srsEPC to the new S1AP library. Deleted liblte_s1ap.cc and liblte_s1ap.h.
5 years ago
Andre Puschmann
4b01a2e4a0
update copyright notice
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
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.
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
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
4c164acbc3
Moving many of the functions fron s1ap_nas_transport to it's own NAS class.
6 years ago
Pedro Alvarez
151efc61d5
Added s1ap_tx_pdu function. This function will record to pcap if PCAP is enabled.
6 years ago
Pedro Alvarez
b89ad628e2
Added config option to enable pcap.
6 years ago
Pedro Alvarez
ba5708dc60
Starting to add S1AP pcap to EPC.
6 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