Commit Graph

484 Commits

Author SHA1 Message Date
Francisco Paisana b47f8e6c1a increased rrc inactivity timer to avoid unnecessary pagings while
setting up an initial enb-ue iperf connection
2020-08-25 11:47:24 +01:00
Francisco Paisana 0036941af4 added extra state to S1 target enb mobility FSM. Accounts for out-of-order arrival of MMEStatusTransfer. Also, now we avoid creating DRBs before the MMEStatusTransfer 2020-08-22 09:40:09 +01:00
Francisco Paisana bb5dd92dca implemented s1 handover cancellation procedure to force the target enb to release the ue ctxt 2020-08-21 00:05:58 +01:00
Francisco Paisana 8c9e596f89 refactored s1ap handover request interface. cleaned up rrc tenb s1 handover code 2020-08-21 00:05:58 +01:00
Francisco Paisana 7cd4f45d62 fsm refactor.
- avoid triggering directly a subfsm
- improved metafunctions
- other cleanups
2020-08-18 16:07:21 +01:00
Francisco Paisana 5d1343fe75 implemented S1 bearer status transfer 2020-08-18 13:55:17 +01:00
Francisco Paisana db8af399f8 extended rrc tenb s1 handover test. implemented layer reconfig during s1 handover 2020-08-18 13:55:17 +01:00
Francisco Paisana 7605c7df23 added s1ap handover notification, fixed s1ap asn1 bug, and fixed bad fields for admitted erabs in ho req ack 2020-08-18 13:55:17 +01:00
Francisco Paisana 20b69fb22e substitution of ul_alloc_t for prb_interval 2020-08-14 15:06:06 +01:00
Francisco Paisana 26f46ea067 add S1 Handover Request handling in target eNB 2020-08-14 14:28:56 +01:00
Francisco Paisana caf862c99f moved expected, bounded_bitset, move_callback to adt folder. created a test for bitset 2020-08-13 13:13:34 +01:00
Ismael Gomez 382811e10e
Update S1AP RNTI context when doing Reestablishment (#1582) 2020-08-12 23:48:20 +02:00
faluco cfd3f51931
Import of srslog into srsepc and srsenb. (#1574)
* - Import of srslog into srsepc and srsenb.
* - Removed logger_file and logger_stdout files.
2020-07-30 19:17:23 +02:00
Xavier Arteaga 55a208ede8 SRSENB: added PRACH worker plot 2020-07-28 09:31:34 +02:00
Xavier Arteaga 443378adcb SRSENB: Add GUI window for every cell/carrier 2020-07-28 09:31:34 +02:00
Ismael Gomez dda91b14f7 Remove duplicate add_rnti() function since already done in set_config 2020-07-27 17:58:06 +02:00
Francisco Paisana 35fa5346b9 only reduce mcs if the current tti requires uci 2020-07-21 10:51:11 +01:00
Francisco Paisana 58c4bcf288 reduce mcs for UL grants carrying UCI 2020-07-21 10:51:11 +01:00
Xavier Arteaga 0192130742 SRSUE/SRSENB: UCI bits are carrier by the lowest serving cell index
SRSENB: Fix UCI in lowest serving cell index PUSCH transmission
2020-07-15 07:34:14 +02:00
Andre Puschmann a7911f0dab pdcp,rlc: refactor SDU queueing policy
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
2020-07-13 17:05:28 +02:00
Francisco Paisana 5e06430455 removal of stack handler interface 2020-07-13 11:19:25 +01:00
Francisco Paisana 039977aeb5 renamed interfaces 2020-07-13 11:19:25 +01:00
Francisco Paisana 1a9c04bf2f use of task scheduler handle in pdcp 2020-07-13 11:19:25 +01:00
Francisco Paisana e9f34c7613 using task scheduler in enb stack 2020-07-13 11:19:25 +01:00
Francisco Paisana 4f5e65781f created task scheduler class to deal with timers, thread pool, multiqueue, internal tasks 2020-07-13 11:19:25 +01:00
Pedro Alvarez 89b6e0f714 Send paging message to all cells. 2020-07-10 10:14:08 +01:00
Francisco Paisana fe8f8be62d apply separate cqi configurations to scells 2020-07-09 18:56:01 +02:00
Francisco Paisana e550bf726d updated fsm to allow enter methods to receive event that caused them 2020-07-06 14:25:03 +01:00
Ismael Gomez e378a45db0 Reorganized priorities to avoid GW starve the CPU 2020-07-02 11:52:14 +02:00
Francisco Paisana 97d20ca579 remove obsolete bearer cfg methods 2020-06-29 20:32:23 +01:00
Francisco Paisana 0929a9de62 created rrc mac_controller class to handle the configuration of scheduler 2020-06-29 20:32:23 +01:00
Francisco Paisana 7ab4b5f723 fix long bsr handling 2020-06-29 17:31:07 +01:00
Francisco Paisana af58597647 fix mac tb building in scheduler 2020-06-29 17:31:07 +01:00
Francisco Paisana cb7f620254 created separate class to manage bearers buffers/status reports in the scheduler 2020-06-29 17:31:07 +01:00
Pedro Alvarez 8e00febb1d srsENB: Derive inactivity timeout from T310 and T311 and N310. 2020-06-26 12:19:57 +01:00
Francisco Paisana 2cb80f9bf3 remove rnti in mac/phy in staged manner. First the "upper mac", and then the "lower mac" and phy 2020-06-26 11:59:06 +01:00
Ismael Gomez 493b7ea2da Remove SNR threshold based link failure detection 2020-06-25 22:57:31 +02:00
Francisco Paisana 421d5f3852 merge next 2020-06-24 23:28:53 +01:00
Francisco Paisana 86adbfceae fix nr stack activation 2020-06-24 23:28:53 +01:00
Francisco Paisana f0874b780b add radio_base/null classes 2020-06-18 23:37:26 +01:00
Ismael Gomez e26653c87f Move tti_clock() call from worker_end to txrx class in enb 2020-06-18 15:15:12 +01:00
Francisco Paisana 64e8f5e3ed update license year 2020-06-18 12:41:54 +01:00
Pedro Alvarez 9c1a7d2cf1 Removed get_bearer_status in PDCP. Renamed get_state/set_state to
get_bearer_state/set_bearer_state.
2020-06-18 12:13:57 +01:00
Pedro Alvarez fb088a8c54 Restoring PDCP state only when using RLC AM. 2020-06-18 12:13:57 +01:00
Pedro Alvarez 66d4f320e5 Added intereface to set PDCP state after reestablishment. 2020-06-18 12:13:57 +01:00
Pedro Alvarez 217f16d137 Getting PDCP state on re-establishment. 2020-06-18 12:13:57 +01:00
Pedro Alvarez 33567d81db Added interface to get internal PDCP state. 2020-06-18 12:13:57 +01:00
Xavier Arteaga f04cf2090a Integrates number of samples in radio buffer
Fix minor issue

Radio: Fix minor bug and add unit test
2020-06-16 11:00:51 +02:00
Xavier Arteaga 89b24b54e5 Refactored radio class for acommodating multiple RF devices 2020-06-16 11:00:51 +02:00
Andre Puschmann 06d31f46ba enb: set maximum allowed TTI difference between PHY and Stack TTI clocks for ZMQ
this fixes the issue where PHY and MAC threads, and the processing
of events therein, are drifting apart too much.

This patch effectivly enforces a strong wait on the PHY if the
stack thread is too slow in processing its tasks.

For RF hardware the default is still 8192 TTIs, for ZMQ 1 TTI is used.
2020-06-12 21:37:10 +02:00