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srsLTE
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97 Commits

Author SHA1 Message Date
Francisco Paisana ab3d7dd413 updated sched interface for multiple carriers 2019-12-03 15:46:22 +00:00
Francisco Paisana cab9327b1a updated scheduler interfaces to accommodate multiple carriers 2019-12-02 12:36:27 +00:00
Francisco Paisana 73e06a0858 removed threads from eNB MAC 2019-11-20 15:52:21 +00:00
Francisco Paisana e8487211e4 changed the naming of mch to m1u in the gtpu class 2019-11-20 10:34:35 +00:00
Francisco Paisana 2512e0fd79 removed thread from GTPU MCH 2019-11-20 10:34:35 +00:00
Francisco Paisana 1400777639 removed 1st thread from GTPU 2019-11-20 10:34:35 +00:00
Francisco Paisana 0539d932b8 clang format on the interface files 2019-11-18 11:43:31 +00:00
Francisco Paisana 76673d2d40 cleaned up socket util methods, and made the S1AP non-blocking. 2019-11-15 17:57:36 +00:00
Francisco Paisana ff62ae6ad0 created the method chain in RRC to receive and handle the response to a S1AP HORequired 2019-11-10 22:06:31 +00:00
Francisco Paisana 57cd40ca31 added an ho required message send from SeNB to MME 2019-11-10 22:06:31 +00:00
Xavier Arteaga 2e1479e9d6 SRSENB: Added PHY CA PRACH workers 2019-11-07 16:01:01 +01:00
Andre Puschmann 49279c89d8 send DL-DCCH on SRB2 after it has been established 2019-09-09 17:16:22 +02:00
Harald Welte 2e426948fe [ENB] Add CFSB support 
This commit introduces CSFB (circuit switched fall-back) capabilities to
srsLTE.  Actually, all the eNB has to do is to send a
RrcConnectionRelease with the RedirectedCarrierInfo IE.

The MME triggers this by the S1AP CS Fallback Indicator IE, which may
be present either in the Initial Context Setup Requst or in the
UE Context Modification Request.

As srsLTE has no support for the UE Context Modification Request at all
yet (!), basic support for this message is introduced in this patch.

Both Mobile Originated and Mobile Terminated CSFB with a coupel of
different UE models have been verified using this patch in a setup
consisting of srsENB attached to an undisclosed EPC connected via SGsAP
to a complete  Osmocom 2G network.

Closes: #358
Closes: #363
 2019-09-09 16:59:00 +02:00
Pedro Alvarez 6efa944b5e Removed srslte prefix from pdcp_config_t 2019-07-30 15:01:50 +02:00
Pedro Alvarez 457f35699d Reverted back to a single config structure between PDCP NR and PDCP LTE. 2019-07-30 15:01:50 +02:00
Pedro Alvarez 005d03cb1a Starting to split pdcp_entity into pdcp_entity_lte and pdcp_entity_nr to support NR PDCP 2019-07-30 15:01:50 +02:00
Francisco Paisana 424876c5e4 added DL TTI mask for MBMS 2019-07-21 22:27:17 +02:00
Francisco Paisana 58e2e51044 removed rlc_interfaces. The rlc_cnfg types are now part of the rrc_interface_types. Removed implicit RB initialization in the RLC. 2019-07-05 10:44:15 +02:00
Andre Puschmann e0a28cf4c0 simplify PDCP init and also bypass it for SRB0 on eNB 2019-06-21 15:49:46 +02:00
Francisco Paisana 415d3418b6 reorganized enb to mirror ue director/class structure with a stack class 2019-06-07 15:41:56 +02:00
Francisco Paisana 3bedc93ba5 added _t to unique_byte_buffer type 2019-05-16 12:35:01 +02:00
Francisco Paisana f469e2178b replaced byte_buffer_t allocated by the buffer pool for unique_byte_buffer which is safer and easier to use 2019-05-16 12:35:01 +02:00
Francisco Paisana 0976ea6f27 created a unique byte buffer that automatically deallocates 2019-05-16 12:35:01 +02:00
Andre Puschmann 4b01a2e4a0 update copyright notice 2019-04-29 09:20:02 +02:00
Ismael Gomez 7780b1aba5 add tdd/ca support 2019-04-25 20:57:58 +02:00
David Rupprecht b84e49310e Enable encryption in reconfiguration and after security mode command (NOT TEST) 2019-04-11 21:38:01 +02:00
David Rupprecht eb3a83ac45 User Plane key in configuration interface 2019-04-11 21:38:01 +02:00
Francisco Paisana 0204db2e12 new asn1 rrc library 2019-01-17 17:43:13 +01:00
Andre Puschmann 8a1368c8d6 send connection reject if MME isn't connected 2018-11-16 14:56:39 +01:00
Ismael Gomez 589e569ce9
Changes on srsENB mutexing logic to fix general race condition and deadlock issues (#229) 
* fixed some issues with the UL scheduling

* Hack to fix UL scheduler

* minor fix

* Cleaned up code and fixed issue with the update_allocation function

* fixed the console printing in the enb

* log/console fix

* fixed the log print

* added a normalization factor

* RLC: entity uses dynamic instances. Simplified stop/reset/reestablish procedure. Added non-blocking interface

* Limit decimals in metrics stdout

* Changed mutexes to rwlock in RLC/RRC/MAC/PDCP to fix race conditions when removing users

* Fix deadlock bug for MIMO

* Remove headers

* Fix missing unlock causing overflows

* Do not decrease CQI when PUCCH (this is a temporal fix, requires to reduce the maximum MCS)

* Fix mutex unlock in worker

* Configurable RLC tx buffer. Default to 512 for enodeb

* Check NULL SDU in write_sdu()

* Protect RLC objects and tx_queue from being destroyed while using it

* Remove superfluous code

* Disable SIB logging

* Fix block_queue for enb
 2018-07-05 11:00:19 +02:00
Andre Puschmann 064d7bd2dc use original UE establishment cause in S1AP initial UE message 2018-06-25 18:19:57 +02:00
Ismael Gomez 6120f20290
Changes in RRC and S1AP to make enb more robust on UE add/rem operations. 
* Consolidated functions in S1AP

* Fixed ASAN in some GCC

* Stop quicker the enb

* Minor typo edit

* Fixed mutexing issues in RRC and possibly RLC/PDCP when adding/removing users
 2018-06-12 17:31:07 +02:00
yagoda ec918eab76 adding support for embms in common functions and interfaces 2018-05-15 16:50:57 +02:00
David Rupprecht 9d71bec7b6 Unified include guards 2018-03-31 19:04:04 +02:00
Ismael Gomez b0a2fa3b0b Merge branch 'enbmimo' into mob_crypto_mimo 2017-12-04 12:10:46 -06:00
Ismael Gomez 408545dab8 X2 (constant NCC) working 2017-11-23 19:46:34 +01:00
Xavier Arteaga 75957d41d7 Added DCI formats 2 and 2a inScheduler. Improved UE PHCH, corrected some MIMO bugs on both sides. 2017-11-08 17:10:16 +01:00
Xavier Arteaga 6985682ef0 Added 2nd Codeword interface in scheduler, plus pmi close loop reporting 2017-10-26 17:09:28 +02:00
Xavier Arteaga af669a6cbb Added RI reporting in enb and optimised RI computing calling time 2017-10-24 10:07:54 +02:00
Xavier Arteaga 21355de77e Added TM3 (1 layer only) eNB support at RRC 2017-10-11 17:00:49 +02:00
Paul Sutton 428e5955df Fix for SPGW address issue for GTP bearers - now using addresses from bearer setup requests 
htonl fix
 2017-10-02 13:04:40 +01:00
Ismael Gomez 92144ce15d Revert "Handle RRC ConnectionReject at eNodeB and UE" 
This reverts commit b6f905e2df.
 2017-09-26 18:26:57 +02:00
Ismael Gomez b6f905e2df Handle RRC ConnectionReject at eNodeB and UE 2017-09-26 16:45:02 +02:00
Andre Puschmann 8030778809 fix PDCP initialization in eNB 2017-07-06 16:42:16 +02:00
Andre Puschmann 7ca0988ea3 refactor RLC to use RAT-agnostic config 2017-07-04 18:29:49 +02:00
Andre Puschmann 04ec09bd71 add license text to various files 2017-06-02 13:01:47 +02:00
Ismael Gomez 8a367bf825 changed srsue namespace to srslte for all common objects 2017-06-01 12:25:42 +02:00