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
Andre Puschmann
d9577f0e1e
suppress type-limit warning issued by some compilers by making var signed
...
Used to happen with older gcc giving:
"rlc_am.cc:1791:22: error: comparison of unsigned expression >= 0 is always true [-Werror=type-limits]"
2019-09-09 16:30:48 +02:00
Ismael Gomez
bfddc55148
RRC-PHY interface ( #639 )
...
RRC-PHY interface refactor. Moved RRC-MAC interface to rrc_asn1_utils and created RRC-PHY interface also in rrc_asn1_utils. All ASN1 includes should be made from rrc_asn1_utils only keeping ue_interfaces clean of ASN1
Tested with different common and dedicated configurations (64QAM UL, 256QAM, CA, SRS enabled/disabled, etc)
2019-09-04 16:59:10 +02:00
Ismael Gomez
c92c61d560
Optimized front-end logging processing ( #641 )
...
Avoid memory allocation and stringstream in log frontend calls (executed from worker threads). Uses a buffer pool of fixed buffer and vsnprintf
2019-09-04 15:32:29 +02:00
Francisco Paisana
67d6a25194
Moving mac timers to stack timers ( #638 )
...
* first step towards moving MAC timers to stack. Mac is still using its own timers. srslte::timers class can be restructured.
* moved timers out of the UE MAC
2019-09-04 15:28:09 +02:00
Francisco Paisana
ef61f0408c
fix asn1 version separator string
2019-09-02 20:21:54 +02:00
Francisco Paisana
ad64207a32
added test for unknown group extensions, and the asn1 lib version in its generated files
2019-09-02 20:21:54 +02:00
Francisco Paisana
939c8905cb
now the unknown group exts are also consumed
2019-09-02 20:21:54 +02:00
Francisco Paisana
116dc0a57b
fixed group extensions, removed extra presence flag for copy_ptr<T> types as it was just a source of bugs.
2019-09-02 20:21:54 +02:00
Andre Puschmann
ada4e6644f
fixing various issues in NB-IoT sync code detected by Coverity and clang-tidy
2019-08-08 11:12:49 +02:00
Francisco Paisana
c9d3b61038
added resumable procedures to make RRC and NAS non-blocking
2019-08-08 10:56:54 +02:00
Andre Puschmann
e42449532b
fix wrong namespace definition in various places
2019-08-07 15:32:49 +02:00
Andre Puschmann
80655db4a4
fix missing include in filesink
2019-08-05 11:11:04 +02:00
Andre Puschmann
95a5c2dcdb
adding NB-IoT sync code
2019-08-05 11:11:04 +02:00
Ismael Gomez
19066c49ab
Ad Rel10 info to dci logs
2019-07-30 18:18:44 +02:00
Pedro Alvarez
6efa944b5e
Removed srslte prefix from pdcp_config_t
2019-07-30 15:01:50 +02:00
Pedro Alvarez
0e7c5634f1
Added comment to PDCP maximum SDU size.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
dd56d08269
Replaced byte_buffer by array in PDCP base
2019-07-30 15:01:50 +02:00
Pedro Alvarez
3da0391fff
Adding default initializers to PDCP config.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
494be243c0
Changed security direction to use an enum.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
61051b4cb3
Changed PDCP NR read_data_header to return SN.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
f90b69e5f4
More clang-format for PDCP
2019-07-30 15:01:50 +02:00
Pedro Alvarez
491695ab77
Clang-formated PDCP NR PR.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
adfe9f950e
Fixed issue in computing the SN. Added test for packets received in sequence for PDCP NR. Test is passing now.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
af2b593b8c
Added check for integrity in test. First Rx PDCP NR test passing.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
d3b6828082
Changed PDCP configuration to explicitly have tx and rx direction. Decrypt on PDCP NR seems fine.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
ea3c44e9ac
Removing header before decrypting. Continuing to add decryption tests to PDCP NR
2019-07-30 15:01:50 +02:00
Pedro Alvarez
a42726f836
Fixed hdr_len_bytes in PDCP NR. Tx seems OK now.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
73e30743d1
Added enum to PDCP config to replace two bools.
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
810cacdc02
Adding write_data_header and append_mac helper functions to PDCP NR entity.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
9d0db108c6
Continue to add PDCP tx test
2019-07-30 15:01:50 +02:00
Pedro Alvarez
c9e99443d8
Adding PDCP NR Tx test.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
8e8a7a4154
Add more logic to PDCP NR tx logic.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
2081b22465
Added PDCP_SN_LEN constants. Added bearer_id and direction back to the pdcp_entity_base.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
8e1b9b9f5b
Starting to implement the receive function of PDCP NR.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
d7a2721bb0
Adding algorithm to get COUNT for PDCP NR. Added convinience functions to manipulate HFN, SN and COUNT.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
52f75c3cf2
Starting to add PDCP NR state variables.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
2449f901f0
Fixed error in setting Kint in pdcp_entity_lte.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
1944bf9a80
Continue to split pdcp_entity_lte and pdcp_entity_nr. Compiling now.
2019-07-30 15:01:50 +02:00
Pedro Alvarez
bd91678d98
Continuing to split pdcp_entity into pdcp_entity_lte and pdcp_entity_nr
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
Andre Puschmann
e0bd7f156d
replace remaining warning macros with pragma message
2019-07-23 15:38:21 +02:00
Andre Puschmann
09610ce788
add type setter to sch_subh and use it for MCH PDUs
2019-07-23 15:38:21 +02:00
yagoda
408400bee6
adding fixes and tests for eMBMS
2019-07-21 22:27:17 +02:00
Francisco Paisana
424876c5e4
added DL TTI mask for MBMS
2019-07-21 22:27:17 +02:00
Andre Puschmann
9ee415ac82
correct the max size for a single TB
...
since the size in bits is counted per TB we don't need to allocate
space for the 2x2 MIMO case. Both CW have their own buffer.
2019-07-16 17:31:03 +02:00
Ismael Gomez
c9c43e44e9
Fixed PDU buffer size
2019-07-16 17:31:03 +02:00
Pedro Alvarez
9597cc4c14
Clang-formated liblte_*
2019-07-13 14:41:04 +02:00
Xavier Arteaga
5e49aca835
Merge pull request #570 from softwareradiosystems/feature_256qam_fix
...
Resource allocation extended tables and PDSCH table 2 for 256QAM
2019-07-12 12:32:47 -04:00
Ismael Gomez
11d42acb3a
Fix using deallocated PDU
2019-07-12 13:08:42 +02:00
Ismael Gomez
8c41625599
Add RLC suspend and resume
2019-07-12 13:08:42 +02:00
Xavier Arteaga
aa6652155c
Phy: added ue_ul normalization mode parameter
2019-07-12 13:05:10 +02:00
Xavier Arteaga
20823e191d
SRSUE: Added UL force amplitude optional parameter
2019-07-12 13:05:10 +02:00
Andre Puschmann
4e86b2f6b2
introduce layerd architecture we use for UE to eNB
...
- this allows flexible use of different PHYs and radios
- use common radio_multi (moved to lib)
2019-07-12 04:17:56 +02:00
Andre Puschmann
92f0d58856
mac: move further init/config into ctor to allow early logging, etc.
2019-07-05 17:24:06 +02:00
Francisco Paisana
92b4b168fe
added default rlc um and am in the interface as factories
2019-07-05 10:44:15 +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
Francisco Paisana
c5509caece
added extra operators and remove rrc_asn1 in some cmake targets
2019-07-05 10:44:15 +02:00
Francisco Paisana
b936629221
removed rrc asn1 header from bcd_helpers, from rlc_interface, and rlc tests
2019-07-05 10:44:15 +02:00
Francisco Paisana
bb0dbf0f1c
created a asn1 utils with helper functions and types related to the asn1. These types/functions will help isolate the rrc_asn1 lib from most of the layers, reducing this way the compile times, and leading to better isolation. This will also make the transition to NR smoother. I removed the asn1 types from the NAS and USIM interface so far.
2019-07-05 10:44:15 +02:00
Francisco Paisana
416f9896ec
fixes to include the findings from PR #550
2019-07-05 10:38:28 +02:00
Guillem Foreman
535325bc37
srsLTE: added resource allocation extended tables for 256QAM and integration with PDSCH test
2019-07-04 15:49:43 +02:00
Xavier Arteaga
87433c83da
SRSUE: 64QAM R8 compatible
2019-07-02 16:36:06 +02:00
Pedro Alvarez
498f1b8e4b
Small PDCP fixes:
...
- Moved most the initialization of the pdcp_entity to the header.
- Initilize some variables in gtpu_ntoa.
- Removed debug print.
- Format eNB GTP-u debugging code.
2019-06-27 17:09:52 +02:00
Pedro Alvarez
53d2220aab
Resolved conflicts with unique pointers after rebase in PDCP entity.
2019-06-27 17:09:52 +02:00
Pedro Alvarez
b97d1191f4
Added more debug info at eNB GTP-U. Changed the pdcp_entity to follow the standard more strictly for RLC AM DRBs.
2019-06-27 17:09:52 +02:00
Pedro Alvarez
f4fd6034ba
Starting to add separate functions for PDCP handling for UM DRBs and AM DRBs
2019-06-27 17:09:52 +02:00
Pedro Alvarez
6cbcc5154d
Starting to use received SN to do user plane decription.
2019-06-27 17:09:52 +02:00
Andre Puschmann
58763fb714
stack: move initialization of log object into ctor
...
this fixes the issue when the stack is torn down if, for example,
the radio couldn't be loaded correctly. it will hence call stop() on all stack
components which are not initialzized yet, and logging therefore doesn't work.
the log object is know during contruction time and therefore can be passed
in as soon as possible.
2019-06-27 14:51:33 +02:00
Pedro Alvarez
8f5ad55c4a
Added attach request as a UL info trasnfer in the UE. Added interface to remove eps bearer map when going idle. Fixed bug in GW in assignment of IPv4 addresses. UE seems to rebound from the service reject now.
2019-06-26 18:04:41 +02:00
Andre Puschmann
82a69fb51c
mux: fix packing of short MAC PDUs
2019-06-26 17:57:25 +02:00
Andre Puschmann
4aaa0473b9
pdu: remove unused variable total_sdu_len
2019-06-26 17:57:25 +02:00
Andre Puschmann
b6d7fd5def
improve error handling in PDU packing
2019-06-26 17:57:25 +02:00
Andre Puschmann
da35f41dd5
rework MAC logical channel prioritization
2019-06-26 17:57:25 +02:00
Andre Puschmann
e0a28cf4c0
simplify PDCP init and also bypass it for SRB0 on eNB
2019-06-21 15:49:46 +02:00
Andre Puschmann
0ef96f789b
bypass PDCP for SRB0 processing chain
2019-06-21 15:49:46 +02:00
Andre Puschmann
218f136254
remove default PDCP entity for SRB0
2019-06-21 15:49:46 +02:00
Francisco Paisana
ce29ed545d
moved mac thread to the stack. Protect the interface of the stack with PHY and gateway via a queue of tasks
2019-06-21 13:01:41 +02:00
Francisco Paisana
10a56e2a84
moved GW out of the UE stack. This is important to keep concurrency out of the stack once it becomes single-threaded
2019-06-20 15:26:52 +02:00
Andre Puschmann
414e55fafc
pcap: add dtor
...
this fixes issue if object is destroyed and PCAP is still open
2019-06-18 20:50:23 +02:00
Ismael Gomez
67b6a40c1b
Use correlation for neighbour RSRP measurement
2019-06-18 17:55:41 +02:00
Andre Puschmann
abef6ce152
move own ipv6 header definition into own header file and use it in tft filter
2019-06-18 16:06:52 +02:00
Guillem Foreman
50edd9a325
Initial 256QAM Modem and Demodulator
2019-06-17 18:04:32 +02:00
Joseph Giovatto
0bb7f590b3
Moved include complex.h from header files to impl files to prevent
...
error /wr to complex.h and c linkage in CentOS 7.
2019-06-14 12:19:57 +02:00
Andre Puschmann
acbe7fabe4
rlc: fix class member initialization
...
uninitialized member detected by coverity, now converted all default
initialization to be done in class definition
2019-06-14 11:26:19 +02:00
Xavier Arteaga
1f4cf8121b
SRSUE: Initial UL channel simulator
2019-06-11 12:06:11 +02:00
Andre Puschmann
2b7b4d0e7e
remove hard-coded LCID for dedicated bearer in GW
2019-06-07 21:40:03 +02:00
Pedro Alvarez
2723aa9b12
Added EPS bearer id to apply_tft interface. Sending packets to the correct LCID if they match the packet filter.
2019-06-07 21:40:03 +02:00
Pedro Alvarez
a7e0a0624b
Starting to add interface apply_traffic_flow_template between NAS and GW.
2019-06-07 21:40:03 +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
Pedro Alvarez
d67d18cc6b
Removing deplicated error codes.
2019-06-07 13:51:56 +02:00
Xavier Arteaga
bd3ec34f7b
SRSUE: Apply CLang format phy args structure
2019-06-06 15:00:26 +02:00
Xavier Arteaga
fd3671a7e5
SRSUE: Enable AGC
2019-06-06 15:00:26 +02:00
Andre Puschmann
e8d6236975
remove init for all RLC TM/UM/AM
...
- all RLC entities are now initialized during contruction
- there is no need to check for, e.g., existance of timers, during
runtime
- there is also no need to call re-init during resume
- timers are freed in dtor
2019-06-06 14:34:25 +02:00
Ismael Gomez
f24c0cef8c
Use timer interface instead of local boolean to query timer state
2019-06-06 14:34:25 +02:00
Ismael Gomez
c2e9817f41
Possible solution to RLC Reestablishment
2019-06-06 14:34:25 +02:00
Ismael Gomez
14b526f2aa
Add PDCP per-bearer reestablish
2019-06-06 14:34:25 +02:00
Ismael Gomez
ade720e032
Add RLC resume procedure
2019-06-06 14:34:25 +02:00
Andre Puschmann
3f613d7183
nas/gw/rrc: make LCID for DRB dynamic
...
- add interface to RRC to allow NAS to query the DRB for a given
EPS bearer id
- extend interface for NAS to setup GW to also pass LCID of bearer
- in NAS, use this new interface to pass actual LCID of the default
DRB when creating the TUN device
2019-06-05 20:50:52 +02:00