Ismael Gomez
47dbd6ed70
Merge pull request #2214 from softwareradiosystems/pr_mac_buffers
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Limit the number of UL buffers in MAC and deallocate old ones
4 years ago
Ismael Gomez
d5f0634975
Add PUCCH SNR measurement ( #2175 )
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* Add PUCCH SNR measurement
* Fix PUCCH SNR estimation
* Reverted PUCCH noise estimation
* use fpclassify instead of iszero
Co-authored-by: Xavier Arteaga <xavier@softwareradiosystems.com>
4 years ago
Ismael Gomez
c1c5fa426c
Fix issue with new way of managing ul buffers not working with CA
4 years ago
Francisco Paisana
9c7c190074
when the rrc fails to allocate the ue cell resources, it should erase the ue from all stack layers
4 years ago
Pedro Alvarez
0c20b7a455
Added support for S1AP modify bearer request support. This includes:
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- 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
Ismael Gomez
f9a02299f9
Use MAC PDU pointer instead of tti_rx and rnti as a key to associate buffers. Decouple crc_info() and push_pdu() functions. This allows for different timing architectures in the PHY
4 years ago
Pedro Alvarez
7eebd71627
Added S1AP E-RAB release command/response handling to srsENB.
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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
7a74bf28d1
forward declare s1ap types in enb interfaces
4 years ago
Francisco
66712023bb
remove unneeded includes of full rrc asn1 lib
4 years ago
Francisco
68eda336bd
remove ENB_METRICS_MAX_USERS compile time macro and use run-time variable to set maximum number of UEs the srseNB can have connected at a given instant.
4 years ago
yagoda
bdc1964335
consolidating RRC eMBMS configuration into single function, setting some parameters to const
4 years ago
yagoda
b90574975b
refactoring asn1 eMBMS code, removing asn1 from PHY and MAC in eNodeB
4 years ago
Francisco Paisana
510959b50f
update nr asn1 files, and asn1 tests
4 years ago
Francisco Paisana
137e554eb3
reestablish pdcp bearers is required in case of AM bearers
4 years ago
Francisco Paisana
bb5dd92dca
implemented s1 handover cancellation procedure to force the target enb to release the ue ctxt
4 years ago
Francisco Paisana
8c9e596f89
refactored s1ap handover request interface. cleaned up rrc tenb s1 handover code
4 years ago
Francisco Paisana
5d1343fe75
implemented S1 bearer status transfer
4 years ago
Francisco Paisana
db8af399f8
extended rrc tenb s1 handover test. implemented layer reconfig during s1 handover
4 years ago
Francisco Paisana
7605c7df23
added s1ap handover notification, fixed s1ap asn1 bug, and fixed bad fields for admitted erabs in ho req ack
4 years ago
Francisco Paisana
26f46ea067
add S1 Handover Request handling in target eNB
4 years ago
Ismael Gomez
382811e10e
Update S1AP RNTI context when doing Reestablishment ( #1582 )
4 years ago
Ismael Gomez
dda91b14f7
Remove duplicate add_rnti() function since already done in set_config
4 years ago
Andre Puschmann
a7911f0dab
pdcp,rlc: refactor SDU queueing policy
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this patch refactors the SDU queuing and dropping policy of the RLC and PDCP layer.
the previous design had issues when packets have been generated at a higher
rate above the PDCP than they could be consumed below the RLC.
When the RLC SDU queues were full, we allowed two policies, one to block on the write
and the other to drop the SDU. Both options are not ideal because they either
lead to a blocking stack thread or to lost PDCP PDUs.
To avoid this, this patch makes the following changes:
* PDCP monitors RLC's SDU queue and drops packets on its north-bound SAP if queues are full
* a new method sdu_queue_is_full() has been added to the RLC interface for PDCP
* remove blocking write from pdcp and rlc write_sdu() interface
* all writes into queues need to be non-blocking
* if Tx queues are overflowing, SDUs are dropped above PDCP, not RLC
* log warning if RLC still needs to drop SDUs
* this case should be avoided with the monitoring mechanism
4 years ago
Francisco Paisana
5e06430455
removal of stack handler interface
4 years ago
Ismael Gomez
493b7ea2da
Remove SNR threshold based link failure detection
4 years ago
Francisco Paisana
42969ad992
add tb size as argument to gnb
4 years ago
Pedro Alvarez
9c1a7d2cf1
Removed get_bearer_status in PDCP. Renamed get_state/set_state to
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get_bearer_state/set_bearer_state.
4 years ago
Pedro Alvarez
66d4f320e5
Added intereface to set PDCP state after reestablishment.
4 years ago
Pedro Alvarez
33567d81db
Added interface to get internal PDCP state.
4 years ago
Ismael Gomez
60b5fb9a74
Refactor variable name
4 years ago
Pedro Alvarez
960c0e97cd
Added handling of RRC re-establishment to srsENB.
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* Added the appropriate code for handling and sending the
re-establishment procedure messages to rrc_ue.c/.h.
* Triggered RRC reconfiguration after the reception of RRC
re-establishment complete
* Refreshed K_eNB at the reception of re-establishment
request
* Changed the mapping of TEIDs to RNTIs in the GTP-U layer,
as the RNTI might change with reestablishment.
4 years ago
Francisco Paisana
026628a84f
use of reestablishment method to reset the RLC bearers during handover
5 years ago
Ismael Gomez
270c7ce9dc
Separate PHY interface to add rnti and pregenerate sequences. Calculate the sequences on the reception of ConnectionSetup instead of PRACH
5 years ago
Andre Puschmann
8756d14660
enb_interface: add default initialize to zero
5 years ago
Xavier Arteaga
9d5c2d70df
SRSENB: Fix PHY reconfiguration for HO
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Minimal aesthetic change
5 years ago
Francisco Paisana
e8aff22e1b
using new rrc obj id util methods in handover code
5 years ago
Francisco Paisana
f43985b6cd
small updates for testing handover and configuring the rrc
5 years ago
Xavier Arteaga
d7e7399e7b
srsENB: PHY configuration in two stages
5 years ago
Xavier Arteaga
b9583d4182
Fix Extended CSI request bits in DCI
5 years ago
Xavier Arteaga
77d5dedddc
Fix LGTM warnings and recommendations
5 years ago
Francisco Paisana
5db2c62530
comments for handover commands
5 years ago
Francisco Paisana
7a132f9ccd
more enb interface comments
5 years ago
Francisco Paisana
0526ae8ab1
updated rrc mobility parsing. added some utility methods
5 years ago
Francisco Paisana
64557740fc
use mac_buffer_state interface to schedule CEs in scheduler
5 years ago
Francisco Paisana
d183d64409
added allocate_rnti method to mac. Useful both during PRACH and handover UE resource allocation
5 years ago
Francisco Paisana
28467d568d
eliminated old way to schedule tasks using the heap
5 years ago
Francisco Paisana
a2ade9edd1
break down rrc_interface_types.h into multiple files. moved pdcp_config.h to same folder
5 years ago
Francisco Paisana
30ae2226c1
common interface for stack multiqueue tasks, background tasks and timers
5 years ago
Xavier Arteaga
e832769ae6
Updated copyright
5 years ago