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364 Commits (a142192d4e8f7d50c36c13234ed58db923a78c0a)

Author SHA1 Message Date
Xavier Arteaga e98a6f9eea Make ACK M constant i UEDLNR 4 years ago
Xavier Arteaga 567c7c9c77 Create TTI semaphpore default constructor 4 years ago
Andre Puschmann 483a216bd5 ue,stack: refactor handling of radio bearears in UE stack 
this is a rather large commit that is hard to split because
it touches quite a few components.

It's a preparation patch for adding NR split bearers in the next
step.

We realized that managing RLC and PDCP bearers for both NR and LTE
in the same entity doesn't work. This is because we use the LCID
as a key for all accesses. With NR dual connectivity however we
can have the same LCID active at the same time for both LTE and NR
carriers.

The patch solves that by creating a dedicated NR instance for RLC/PDCP
in the stack. But then the question arises for UL traffic on, e.g. LCID 4
what PDCP instance the GW should use for pushing SDUs. It doesnt' know
that. And in fact it doesn't need to. It just needs to know EPS
bearer IDs. So the next change was to remove the knowledge of what
LCIDs are from the GW. Make is agnostic and only work on EPS bearer IDs.

The handling and mapping between EPS bearer IDs and LCIDs for LTE
or NR (mainly PDCP for pushing data) is done in the Stack because
it has access to both.

The NAS also has a EPS bearer map but only knows about default and
dedicated bearers. It doesn't know on which logical channels they
are transmitted.
 4 years ago
Andre Puschmann 7113e55d53 rlc: refactor RLC entity to use smart pointers for holding bearers 
this patch mainly modernizes the bearer creation to use smart pointers.
that allows to simplify the error handling.

ue_stack is changed to match new interface. This commit compiles
but doesn't work.
 4 years ago
David Rupprecht 6d5391756c Refactor build of RLC NR config 4 years ago
David Rupprecht d1d8500ce5 Add testcase for reconfiguration 4 years ago
David Rupprecht ec19919246 Fix NGAP valgrind test 4 years ago
Xavier Arteaga eb7980f2b3 Initial UE synchronization for NR 4 years ago
Pedro Alvarez aae266e848 Added configuration option for S1AP SCTP bind port 4 years ago
David Rupprecht 85d7a851fb Added 5G NAS PCAP support 4 years ago
Francisco 78acf81cf0 bugfix,sched: avoid instability in TPCs around PHR~0 4 years ago
Xavier Arteaga b1e4720721 SRSUE/SRSENB: added tx_enable flag in worker_end 4 years ago
Xavier Arteaga 027201d457 SRSUE/SRSENB: Refactor NR workers to generalise lower PHY 4 years ago
Ismael Gomez 5aa5a8e997 Revert UE changes 4 years ago
Ismael Gomez e35a0d72fa Revert UE changes 4 years ago
Ismael Gomez dd9889e07c Add carrier index to uplink PCAP captures 4 years ago
Bedran Karakoc c280ac5ad6 Introducing extended NGAP functionality 
Remove unused logger for now in ngap::ue to pass tests
 4 years ago
Francisco 5a82a63bb5 bugfix,srsenb: fix intraenb handover softbuffer allocation during handover 4 years ago
Xavier Arteaga cf09044453 Optimised random bit (unpacked) and byte (packed) generator 4 years ago
Francisco 2a009eb340 sched,feature: Enable configuring maximum coderate for SIB allocations 4 years ago
Francisco 6ababf401b feature,sched: allow setting initial DL CQI in enb.conf 4 years ago
Francisco e8983b88f0 refactor: use enb_cc_idx instead of ue_cc_idx in mac::ue 4 years ago
Xavier Arteaga 8743713bb1 Fix compilation 4 years ago
Xavier Arteaga 676080d6af Added macro SRSRAN_VEC_SAFE_CMA 4 years ago
Andre Puschmann 878142843e rlc_am_lte: add further sanity check when creating status PDU 
the test verifies that the ACK_SN of a status PDU falls inside the
rx_window of the receiver. If not, than the RLC state has been
corrupted and the status PDU is likely invalid.
 4 years ago
Alejandro Leal Conejos a51f2a1de4 Fills the value of the number of cpus for the system_metrics_t and 
initiliaze its value to 0 when executing 2 measures in less than 100 ms.
 4 years ago
Pedro Alvarez 299d2ee35d Added interface to make the PDCP notify the RRC of integrity check 
failures.
 4 years ago
Xavier Arteaga 939dd1b977 Change struct sync_raster_t to class 4 years ago
Xavier Arteaga 5181a9d64c Implemented PBCH blind decode 4 years ago
Xavier Arteaga 9621cf57c2 Implemented NR SS raster object 4 years ago
Xavier Arteaga 22b1673b36 Added CRC match function and simplify CRC check 4 years ago
Xavier Arteaga 7846bfccb1 Implemented softbuffer RX CRC reset 4 years ago
David Rupprecht ff3e7c321d Added bref function for calc distance til end 4 years ago
Xavier Arteaga 7c78fd2050 Implemented PDCCH DCI message correlation and updated test 4 years ago
Francisco 7e77da6a15 mac,optimization: use rnti memory pool to create mac::ue objects 4 years ago
Andre Puschmann 295b5fe8fb rlc_tm: fix stopping of entity detected with TSAN 4 years ago
Andre Puschmann c0be8187c8 rlc interface: convert entire read_pdu() interface to return uint32_t 
we had it returning int but had a bug in using the return value properly,
i.e. handling when -1 was returned in RLC TM.

Thinking about it more, it doesn't make sense to have a negative return
value here anyway. Either the RLC can return a PDU or not. If it can't the
returned lenght is zero.
 4 years ago
Xavier Arteaga 090022568e DCI NCCE find considers L and NCCE 4 years ago
Andre Puschmann aaffdeb326 rrc,rlc: add method to signal protocol failure to RRC 
general-purpose method for lower layers to signal protocol
failures to higher layers, i.e. RRC.

In the current case, implement a direct release of the UE (enb) or
a reestablishment (UE).
 4 years ago
Francisco ceaef3523f sched,feature: Enable setting the target PHR below which the maximum UL grant size starts decreasing 4 years ago
Francisco 486823e5de sched,bugfix: The PHR handling scheme now considers the number of PRBs of the UL grant that carried the PHR. Before, it was assuming the most conservative scenario of Nprb=1 4 years ago
Francisco f7aef3ffc1 sched,bugfix: fix nof_retx update when UL HARQs are resumed 4 years ago
Francisco 89406b07d6 make eNB UL SNR initial value an exponential average alpha configurable 4 years ago
Andre Puschmann 1ef3cb7e5d threads: fix race in stopping periodic thread 4 years ago
Andre Puschmann 312b5a241c mac_pcap_base: fix race detected with TSAN 4 years ago
Andre Puschmann 1d34aa280f byte_buffer_queue: make class thread-safe by using atomics 4 years ago
Pedro Alvarez 18e2149d68 Sending Initial Context Setup Response after RRC reconfiguration. 4 years ago
Francisco f36f5271d3 timers,feature: make timers thread-safe by using atomic to store timers state. 4 years ago
Xavier Arteaga 3c93d5ba43 Fix carrier mapping concurrency issue 4 years ago
Xavier Arteaga 235a664120 SRSUE: Removed PUSCH-DMRS/SRS pregeneration methods 4 years ago
Andre Puschmann 3102861ee3 rlc_am_lte: make func param const& 4 years ago
Francisco a587d20252 allow specification of subset of valid measurement gap offsets in rr.conf 4 years ago
Andre Puschmann bb6a5ebe80 tsan: add TSAN options file to set some default flags and exclude some libs from checks 4 years ago
Andre Puschmann d9a5d3f95a pcap_base: increase PDU queue length 
some systems with slower HDD seem to have issues
writing the PDUs to disk. increasing length to see if that helps.
 4 years ago
Xavier Arteaga a245039cf3 Initial NR-PBCH-DMRS integration 4 years ago
Pedro Alvarez 997f7db23a Small fixes for observer.h missing std::size_t 4 years ago
Pedro Alvarez c74b2dd633 Fix some warnings in PHY due to array parameter mismatch for a few functions 4 years ago
Andre Puschmann c1ad867824 epoll_helper: use std::atomic to protect exit called from different thread 4 years ago
Andre Puschmann f1e6a975de thread_pool: fix concurrent access of state variable 
the thread workers need access to their current state to exit properly
when they are set to state STOP. However, since the state is kept in
a std::vector for all workers, it seems more appropiate to add a per-thread
running variable rather then mutexing the entire vector.
 4 years ago
Xavier Arteaga 48e0fc3c99 Implemented initial PBCH decoder and refactored SSB candidate selection 4 years ago
Xavier Arteaga de1b25558f Added PRN sequence apply bit with state 4 years ago
Xavier Arteaga 1f38817b3b Added random bit vector generator 4 years ago
Xavier Arteaga bcb91d6173 srsran_vec_sprint_hex returns number of written characters 4 years ago
Xavier Arteaga 0aa5b14145 Initial NR PBCH encoding 4 years ago
Xavier Arteaga d66dac0ab2 Added bit sequence state apply 4 years ago
Francisco 7076dbfef8 feature, scheduler: Add configuration parameter to set minimum TTI interval between TPCs 4 years ago
Francisco dedd9c09a7 feature, scheduler: Add abitility to set minimum aggregation level in PDCCH, and disable adaptive aggregation level based on target BLER 4 years ago
Francisco c5029fc266 feature - implement adaptive link adaptation in DL and UL 4 years ago
Francisco 8df6ed07c6 sched small fixes - use 0.930 instead of 0.932 for max coderate. Allow computing mcs/tbs based on max coderate directly. Other small fixes 4 years ago
Francisco 31936c9754 bugfix - printf formatting incorrect in bounded_bitset method 4 years ago
Francisco b093576634 avoid sending UEContextReleaseRequest from Source eNB during S1 Handover. 4 years ago
Francisco f2a56c9139 simplification of multiqueue design. 
- the consumer does multi-staged waiting:
  1. spins first across all queues in a RR fashion
  2. each queue access is done with a try_lock.
  3. if the try_lock fails, it increases the number of spins needed
  2. if no queue had data, the consumer sleeps for 100 usec.
- no differentiation between queues, in terms of notification features
 4 years ago
Francisco 60a8ee0af9 multiqueue optimization - use condition_var wait_for() method, use queue try_lock in the consumer side 4 years ago
Francisco 2d6a878826 change interface to create multiqueue queues 4 years ago
Francisco f705735093 optimization - only allow some multiqueue queues to notify the multiqueue consumer of the arrival of tasks 4 years ago
yagoda 9501283c1c fixing support for extended Cyclic Prefix 
small cosmetic fixes of CP code
 4 years ago
Andre Puschmann 21b3635ae4 rlc_am_lte: refactor retransmit_pdu() to send different SNs 
it seems that different SNs should be retransmitted depending
on the actual situation. In case of pollRetx timer expiration,
vt_s - 1 should actually be resent.

This patch prepares the function to accept different SNs but
leaves it to send vt_a by default. The RLC AM test would need
to changed as well to not fail.
 4 years ago
yagoda f90f6f0c7e adding MAC 0 padding support 4 years ago
Xavier Arteaga f9aafd00a7 Added subcarrier spacing parsing from string 4 years ago
Xavier Arteaga b69057b76e Filesource filename to constant 4 years ago
Xavier Arteaga 5eadc06dd4 Intra-frequency miscellanous changes 4 years ago
Xavier Arteaga 1603580901 Fix NR PSS correlation 4 years ago
Xavier Arteaga 11d925c0b2 Minor SSB fix and changes 4 years ago
Xavier Arteaga c8cb128317 Declare band helper methods as constant 4 years ago
Xavier Arteaga 60015e7ceb Made intra frequency cell search and measurment generic 4 years ago
Xavier Arteaga 648f0af437 Implement SSB search based on correlation 4 years ago
faluco 6fb81c7619 - Add a mutex with priority inheritance for srslog internal structures. 
- Replace shared_variable members in log_channel class in favor of atomics.
- Remove the small string optimization in srslog now that we dont allocate anymore.
- Trim some critical sections in srslog.
 4 years ago
Francisco 1488606156 refactor - create s1ap dedicated folder 4 years ago
Andre Puschmann 167200f5cd rrc_bearer_cfg: replace fixed E-RAB to DRB mapping 
also make sure we don't assign LCIDs beyond the possible
number.

possible fix for https://github.com/srsran/srsRAN/issues/658

Co-authored-by: herlesupreeth <herlesupreeth@gmail.com>
Co-authored-by: Francisco <francisco.paisana@softwareradiosystems.com>
 4 years ago
Francisco fa34aaa16e ensure the DL mask count is reduced enough to fit required bytes 4 years ago
Francisco 485c6ee129 subband CQI feature - add K parameter in sched_interface::ue_cfg_t and update it from RRC 4 years ago
Francisco 84ad6dd8ee Integrated new sched_dl_cqi class in sched_ue_cell 
- extend sched_dl_cqi interface to allow getting tti when cqi was last updated
- extend sched_dl_cqi to quickly get average cqi across the whole bandwidth
 4 years ago
Francisco a841b7580e fix deadlock caused by non-notification of multiqueue consumer side 4 years ago
Xavier Arteaga b02a0d3db9 Added RNTI type short string 4 years ago
Xavier Arteaga 08ec1d0df9 Changed srsLTE to srsRAN 4 years ago
Xavier Arteaga a57336d64f Integrate periodic SSB measurement in SRSUE and fix related defects 4 years ago
Xavier Arteaga 5e41e99f08 Added NR symbol offset helper function 4 years ago
Xavier Arteaga 7450232b3e Added more NR band related helpers 4 years ago
Xavier Arteaga 758fd3c1ba Implemented initial NR cell search 4 years ago
Xavier Arteaga 9517b78c03 Fix resampler and improved unit test 4 years ago