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14 Commits (1e55d68b55a49e5ac672f1166029e18365f8898e)

Author SHA1 Message Date
Francisco b8bd869d0f move ue rlc interfaces to separate interfaces header file 4 years ago
Francisco ea04104e8e move ue gw interfaces to separate interfaces header file 4 years ago
faluco f424f2e113 - Upgraded PDCP classes in lib to use srslog. 
- Update tests to new changes.
 4 years ago
Andre Puschmann 07d2bc4fe8 change license header to agnostic version with hint to root LICENSE file 4 years ago
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
 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 344eaf49ec use logmap in the whole enb and ue 5 years ago
Xavier Arteaga e832769ae6 Updated copyright 5 years ago
Pedro Alvarez 96c82b3fc6 Moved PDCP configs to pdcp_config.h. Added `as_security_cfg_t` structure to hold access stratum keys. 
Refactored PDCP, RRC and USIM accordingly.
 5 years ago
Pedro Alvarez 830dffb05b Small change in pkt compare function. 5 years ago
Pedro Alvarez 5dd081846b Removed unnecessary macro and some newlines. 5 years ago
Pedro Alvarez aecfb151ce Apply clang-format to the lib in preperation for PR. 5 years ago
Pedro Alvarez dbb5c6c06c Adding PDCP LTE SRB1 test. Test failing for now. 5 years ago
Pedro Alvarez b841859220 Moved pdcp test functionality to a common header. Fixed linking issue in 5GNR PDCP 5 years ago