Commit Graph

39 Commits

Author SHA1 Message Date
David Rupprecht 82c9636156 Refactor pdcp ctor seperate the configure function 2021-04-08 19:08:17 +02:00
Codebot 4523ee6087 rename srsLTE to srsRAN 2021-03-21 21:47:01 +01:00
Pedro Alvarez 89a23cec7e Added statusReportRequired to the PDCP entity config. 2021-02-16 13:21:50 +00:00
faluco f424f2e113 - Upgraded PDCP classes in lib to use srslog.
- Update tests to new changes.
2021-02-11 14:37:27 +01:00
Francisco 3265d940ec remove byte buffer pool cached member variables as they are unnecessary now. 2021-02-07 18:48:21 +00:00
Francisco 04ab4eefcd use new make_byte_buffer() helper method to create unique_byte_buffers 2021-02-07 18:48:21 +00:00
Andre Puschmann 07d2bc4fe8 change license header to agnostic version with hint to root LICENSE file 2020-12-12 15:59:25 +01:00
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 1a9c04bf2f use of task scheduler handle in pdcp 2020-07-13 11:19:25 +01:00
Francisco Paisana f0874b780b add radio_base/null classes 2020-06-18 23:37:26 +01:00
Francisco Paisana 30ae2226c1 common interface for stack multiqueue tasks, background tasks and timers 2020-03-31 13:42:06 +01:00
Francisco Paisana 8aa44928e9 fix 5g compilation errors 2020-03-25 15:50:30 +00:00
Xavier Arteaga e832769ae6 Updated copyright 2020-03-16 11:26:06 +01:00
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.
2020-03-11 09:00:38 +00:00
Andre Puschmann 9e113f8b27 pdcp: allow to configure security for rx/tx seperately
previously PDCP security (integrity and ciphering) could only
be enabled for both Rx and Tx at the same time.

this, however, caused an issue during the conformance testing in which,
in TC_8_2_1_1() for example, the eNB sends a SecModeCommand and a
RRC Reconfiguration in the same MAC TB. In this case, the eNB
needs to be able to enable DL security right after sending the SecModeCmd
in order to send the RRCReconfig encrypted. However, enabling UL security needs
to be postponed until after the SecModeComplete is received.

This patch allows to enable PDCP security for rx/tx independently if
that is needed. The default way is like before, enabling it for tx/rx at
the same time.
2020-03-01 18:26:45 +01:00
Pedro Alvarez b841859220 Moved pdcp test functionality to a common header. Fixed linking issue in 5GNR PDCP 2020-02-20 20:53:27 +01:00
Pedro Alvarez 41e911fd76 Replaced PRIu32 for %u in pdcp_nr_entity 2019-12-04 18:21:14 +01:00
Pedro Alvarez e1cdd51eba Clang-formated before pull request 2019-12-04 18:21:14 +01:00
Pedro Alvarez 61958af70b Timer removes itself from the map upon expiration 2019-12-04 18:21:14 +01:00
Pedro Alvarez 47a918d680 Split PDCP NR tests into multiple files 2019-12-04 18:21:14 +01:00
Pedro Alvarez 972d44be23 Remove printfs in test. PDCP seems to be notifing correctly the RLC when discard happens. 2019-12-04 18:21:14 +01:00
Pedro Alvarez e68956bcf6 Adding discard timer timeout to PDCP config. 2019-12-04 18:21:14 +01:00
Pedro Alvarez 2e7ddef038 Continue to add discard_sdu to RLC interfaces. 2019-12-04 18:21:14 +01:00
Pedro Alvarez 15613465cf Moving some initialization from init function to constructor in the PDCP entities. 2019-11-21 13:18:30 +01:00
Andre Puschmann 2d126371f6 adopt PDCP NR to use new timer class 2019-11-07 14:12:08 +01:00
Pedro Alvarez 9998b3e857 Small white space fix and clang-format on pdcp_nr_test.h 2019-11-07 14:12:08 +01:00
Pedro Alvarez 347e10d967 Adding test for reception of duplicate packets. 2019-11-07 14:12:08 +01:00
Pedro Alvarez 6265325e20 Starting to change test to also run the clock. 2019-11-07 14:12:08 +01:00
Pedro Alvarez 8511fca940 Clang-formated to prepare for PR 2019-11-07 14:12:08 +01:00
Pedro Alvarez d3a07fdd38 Added check for overflow at RX. Adding more tests. 2019-11-07 14:12:08 +01:00
Pedro Alvarez eb1470621a Added function to generate vector of PDUs 2019-11-07 14:12:08 +01:00
Pedro Alvarez ed24544a63 Added debug print for out of order, wraparound and duplicate RX PDUs. Adding a helper function to help generate a vector of test PDUs 2019-11-07 14:12:08 +01:00
Pedro Alvarez a191eb6606 Fixed up some PDCP tx tests. 2019-11-07 14:12:08 +01:00
Pedro Alvarez 62230c6ab9 Starting to have overflow protection in PDCP NR tx 2019-11-07 14:12:08 +01:00
Pedro Alvarez 1d56fa6308 Improved speed of tests for COUNT wraparound, by setting the PDCP initial state. 2019-11-07 14:12:08 +01:00
Pedro Alvarez cb0466bce7 Starting to change the expected pdus name. 2019-11-07 14:12:08 +01:00
Pedro Alvarez 49e0e3a24a Added helper function to generate expected PDUs 2019-11-07 14:12:08 +01:00
Pedro Alvarez 727436ec0b Added helper function to compare two packets. Making generic function to test out of order packets. 2019-11-07 14:12:08 +01:00
Pedro Alvarez 977238a79c Added pdcp_nr_test.h to reduce boiler code in the pdcp_nr_test.cc 2019-11-07 14:12:08 +01:00