Commit Graph

21 Commits

Author SHA1 Message Date
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 d98b888ca4 Separating PDCP read_header function from discard_header_function. Starting to add DRB unit test. 2020-02-20 20:53:27 +01:00
Pedro Alvarez 5f39c79bda Moved some more packing functions to base class. 2020-02-20 20:53:27 +01:00
Pedro Alvarez fdd67c3865 Fix issue in integrity check in PDCP SRBs. Moved some helper functions to the pdcp base class 2020-02-20 20:53:27 +01:00
Pedro Alvarez e68956bcf6 Adding discard timer timeout to PDCP config. 2019-12-04 18:21:14 +01:00
Pedro Alvarez d4fb4d8c86 Fixup clang-format in pdcp before PR. 2019-11-21 13:18:30 +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 b7fdcaabc5 Starting to add reordering timers at PDCP NR entity. Timeout seems to be triggered correctly and pass the SDUs to the upper layers when it expires. First tests passing. 2019-11-07 14:12:08 +01:00
Pedro Alvarez ff15ed5018 Starting to add timers to the NR PDCP. 2019-11-07 14:12:08 +01:00
Pedro Alvarez 6efa944b5e Removed srslte prefix from pdcp_config_t 2019-07-30 15:01:50 +02:00
Pedro Alvarez 0e7c5634f1 Added comment to PDCP maximum SDU size. 2019-07-30 15:01:50 +02:00
Pedro Alvarez dd56d08269 Replaced byte_buffer by array in PDCP base 2019-07-30 15:01:50 +02:00
Pedro Alvarez 491695ab77 Clang-formated PDCP NR PR. 2019-07-30 15:01:50 +02:00
Pedro Alvarez adfe9f950e Fixed issue in computing the SN. Added test for packets received in sequence for PDCP NR. Test is passing now. 2019-07-30 15:01:50 +02:00
Pedro Alvarez d3b6828082 Changed PDCP configuration to explicitly have tx and rx direction. Decrypt on PDCP NR seems fine. 2019-07-30 15:01:50 +02:00
Pedro Alvarez 73e30743d1 Added enum to PDCP config to replace two bools. 2019-07-30 15:01:50 +02:00
Pedro Alvarez 2081b22465 Added PDCP_SN_LEN constants. Added bearer_id and direction back to the pdcp_entity_base. 2019-07-30 15:01:50 +02:00
Pedro Alvarez d7a2721bb0 Adding algorithm to get COUNT for PDCP NR. Added convinience functions to manipulate HFN, SN and COUNT. 2019-07-30 15:01:50 +02:00
Pedro Alvarez bd91678d98 Continuing to split pdcp_entity into pdcp_entity_lte and pdcp_entity_nr 2019-07-30 15:01:50 +02:00
Pedro Alvarez 005d03cb1a Starting to split pdcp_entity into pdcp_entity_lte and pdcp_entity_nr to support NR PDCP 2019-07-30 15:01:50 +02:00