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325 Commits (bea78512e5883bc24f64839f809d492ed7052215)

Author SHA1 Message Date
Francisco Paisana b4b5cd7cd6 added nr gnb and ue interfaces 5 years ago
Ismael Gomez a1f0f8de35
Add callback to RLC to indicate BSR for TX and reTX queues (used in ENB) (#1361) 5 years ago
Andre Puschmann 1eaa99530f rlc_am: tiny refactor of rlc_amd_pdu_header_t 
mainly turning header into proper class and adding default init value
 5 years ago
Francisco Paisana 791d84e639 created error_type and cleaned up expected 5 years ago
Francisco Paisana 975d004224 fix compilation error 5 years ago
Francisco Paisana a2b76a4a5f use references rather than pointers 5 years ago
Andre Puschmann 99c3975f83 remove CMake option to disable glibc header for IPv6 
we've added this to allow building for older glibc
version that cause issues with redefining some structs.

this patch removes the flag and auto-detects it using the glibc version
 5 years ago
Francisco Paisana 3da8464a21 fix compilation issue with lack of override keyword and scoping in fsm 5 years ago
Xavier Arteaga 01e224348c Fix compilation for NR HL 5 years ago
Xavier Arteaga 77d5dedddc Fix LGTM warnings and recommendations 5 years ago
Pedro Alvarez ad0abe740b Added support to PDCP SN len of 7. Also added a check for valid configs in pdcp entity. 5 years ago
Francisco Paisana c09f76ed6c unified stack task defer method 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
Andre Puschmann 9307a54512 pdcp: adding enable_security_timed() method 
this is an extension to the currently available security
configuration and activation methods provided by PDCP.
The new call allows to specify a Rx and Tx SN after which the
entire security config, i.e. integrity and ciphering, should
be enabled.

this is mainly required for the PDCP entity of the conformance
testing SS but could potentially also be used by the eNB
to enable security for PDCP after sending the SecModeCommand
for example.

the extra call was added to not break the existing API.
 5 years ago
Pedro Alvarez f4d648b26e Removed rx_count state variable from PDCP LTE entity. Updated get_bearer_status(...) acordingly. Added get_last_submitted_rx_count() getter. 5 years ago
Francisco Paisana 30ae2226c1 common interface for stack multiqueue tasks, background tasks and timers 5 years ago
Francisco Paisana 575475962f the rlc um rx does not need a mutex bc it is always called in the stack thread 5 years ago
Francisco Paisana 8aa44928e9 fix 5g compilation errors 5 years ago
Francisco Paisana 344eaf49ec use logmap in the whole enb and ue 5 years ago
Francisco Paisana 9bde6d442c removed the uneeded locks from the pdcp 5 years ago
Francisco Paisana f3890b2908 use of mutexed cache to store the valid lcids that can be checked from gw thread 5 years ago
Francisco Paisana 46a1be3e76 updated mac-rlc interface to use unique_byte_buffer 5 years ago
Francisco Paisana 597334c4bf limit the rlc queue size for suspended bearers 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
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.
 5 years ago
Pedro Alvarez aecfb151ce Apply clang-format to the lib in preperation for PR. 5 years ago
Pedro Alvarez d98b888ca4 Separating PDCP read_header function from discard_header_function. Starting to add DRB unit test. 5 years ago
Pedro Alvarez 284a0f7b4e Starting to add PDCP LTE unit tests. 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
Pedro Alvarez 5f39c79bda Moved some more packing functions to base class. 5 years ago
Pedro Alvarez fdd67c3865 Fix issue in integrity check in PDCP SRBs. Moved some helper functions to the pdcp base class 5 years ago
Pedro Alvarez 965b0ee99b Starting to fix handling of RX SRB PDUs in PDCP. 5 years ago
Xavier Arteaga 5b14a7d585 Implementation Tx RLC suspend 5 years ago
Ismael Gomez 52716f8716 Process HO complete in the background to avoid heap-after-use bug when PHY measurements are reported during a HO 
rrc_meas refactor. Need to split commit

Fix typo

Temporal commit

Apply rx_gain_offset to neighbour cell measurements

srsLTE: modify TESTASSERT Macro to follow codeline

SRSUE: prevent RRC from having serving cell in neighbour list

SRSUE: DL HARQ does not need Time Aligment Timer. UL is disabled using PUCCH resources release

SRSUE: extend intra-frequency to CA SCell

SRSUE: fix confusing/ambiguous code in the RRC measurements and fix concurrency issue

SRSUE: remove RRC measurement report triggers when measurements are modified or HO succesful

SRSUE: fix compilation issues and Reest SIB indexes

Fixes sync using incorrect cell configuration when search cell does not find a correct cell

Small refactor to remove measurement report triggers always after removing measurement

SRSUE: Removed SIC PSS from UE

SRSUE: fix inter-frequency reestablishment and added more traces

SRSUE: Fix compilation issue
 5 years ago
Andre Puschmann 6ec573987a remove default value for 'blocking' param from pdcp::write_sdu() 
there were two defaults and one was shadowing the other. This
commit removes both defaults and uses blocking-mode for RRC
calls to PDCP in the UE. The eNB write_sdu() uses the non-blocking
mode by default. We have to review the eNB's RRC perhaps and use blocking
there too and non-blocking only for data plane
 5 years ago
Pedro Alvarez c5979f59eb Clang format UE, eNB and lib (#850) 
* Clang-formated UE, eNB and lib.
* Fixed compiling errors from clang-format.
* Fix linking issues introduced by clang-format
* Fix poor formating in initializing arrays of arrays.
* Fix mistake in conflict resolution on rm_turbo.c
* Re-apply clang format to gtpc_ies.h
 5 years ago
Francisco Paisana 6b4488d5c1 added sending of enb status transfer from SeNB 5 years ago
Pedro Alvarez e1cdd51eba Clang-formated before pull request 5 years ago
Pedro Alvarez 61958af70b Timer removes itself from the map upon expiration 5 years ago
Pedro Alvarez 60feab3d7b Added map to keep discardTimers in PDCP NR entity. 5 years ago
Pedro Alvarez e68956bcf6 Adding discard timer timeout to PDCP config. 5 years ago
Pedro Alvarez 2e7ddef038 Continue to add discard_sdu to RLC interfaces. 5 years ago
Pedro Alvarez a77dd4e959 Starting to add boiler-plate code to support Discard at RLC. 5 years ago
Pedro Alvarez 7ccc7d1d20 Starting to notify RLC upon PDCP discard (NR) 5 years ago
Pedro Alvarez f3eeaf401a Removed unecessary lambda redirection in pdcp_entity_nr 5 years ago
Andre Puschmann 9493e7492c add initial RLC AM NR status PDU packing code including tests 5 years ago
Andre Puschmann db2c43553e add basic rlc_am_base class containing data/control PDU check 5 years ago
Andre Puschmann b32a4cf294 add RLC AM NR PDU packing and unpacking 5 years ago
Pedro Alvarez d4fb4d8c86 Fixup clang-format in pdcp before PR. 5 years ago
Pedro Alvarez 15613465cf Moving some initialization from init function to constructor in the PDCP entities. 5 years ago
Andre Puschmann b20f7ba541 refactor RLC UM and add NR receiver 5 years ago
Andre Puschmann 03bd63d9ab rename RLC AM class to RLC AM LTE 5 years ago
Andre Puschmann 2d126371f6 adopt PDCP NR to use new timer class 5 years ago
Pedro Alvarez ea0a413c8a Added check on wether the PDCP entity is initialized. 5 years ago
Pedro Alvarez cede56abe1 Fix small typo 5 years ago
Pedro Alvarez 8511fca940 Clang-formated to prepare for PR 5 years ago
Pedro Alvarez d3a07fdd38 Added check for overflow at RX. Adding more tests. 5 years ago
Pedro Alvarez 62230c6ab9 Starting to have overflow protection in PDCP NR tx 5 years ago
Pedro Alvarez 1d56fa6308 Improved speed of tests for COUNT wraparound, by setting the PDCP initial state. 5 years ago
Pedro Alvarez 517ce8a220 Added test to test out of order COUNT wraparoung. Added setters to help with the testers. 5 years ago
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. 5 years ago
Pedro Alvarez 45d298507b Starting to move pdcp configs to rrc_interface_types. Starting to add test for reorder timeout. 5 years ago
Pedro Alvarez 6cf2bd7bc3 Starting to add reordering queue in the PDCP. 5 years ago
Pedro Alvarez ff15ed5018 Starting to add timers to the NR PDCP. 5 years ago
Francisco Paisana d2c56caf7e applied new timer class to the whole code base 5 years ago
Andre Puschmann f07a9277a0 fix RLC AM issue where an invalid status PDU was generated 
happens when very small grant is provided and the status
PDU generation fails because of a too small grant

add extra check to prevent that ACK_SN is also in NACKS list
 5 years ago
Andre Puschmann c99d5077c8 add RLC UM NR transmitter 5 years ago
Andre Puschmann d9577f0e1e suppress type-limit warning issued by some compilers by making var signed 
Used to happen with older gcc giving:

"rlc_am.cc:1791:22: error: comparison of unsigned expression >= 0 is always true [-Werror=type-limits]"
 5 years ago
Francisco Paisana 67d6a25194 Moving mac timers to stack timers (#638) 
* first step towards moving MAC timers to stack. Mac is still using its own timers. srslte::timers class can be restructured.

* moved timers out of the UE MAC
 5 years ago
Francisco Paisana c9d3b61038 added resumable procedures to make RRC and NAS non-blocking 5 years ago
Andre Puschmann e42449532b fix wrong namespace definition in various places 5 years ago
Pedro Alvarez 6efa944b5e Removed srslte prefix from pdcp_config_t 5 years ago
Pedro Alvarez 0e7c5634f1 Added comment to PDCP maximum SDU size. 5 years ago
Pedro Alvarez dd56d08269 Replaced byte_buffer by array in PDCP base 5 years ago
Pedro Alvarez 61051b4cb3 Changed PDCP NR read_data_header to return SN. 5 years ago
Pedro Alvarez f90b69e5f4 More clang-format for PDCP 5 years ago
Pedro Alvarez 491695ab77 Clang-formated PDCP NR PR. 5 years ago
Pedro Alvarez adfe9f950e Fixed issue in computing the SN. Added test for packets received in sequence for PDCP NR. Test is passing now. 5 years ago
Pedro Alvarez af2b593b8c Added check for integrity in test. First Rx PDCP NR test passing. 5 years ago
Pedro Alvarez d3b6828082 Changed PDCP configuration to explicitly have tx and rx direction. Decrypt on PDCP NR seems fine. 5 years ago
Pedro Alvarez ea3c44e9ac Removing header before decrypting. Continuing to add decryption tests to PDCP NR 5 years ago
Pedro Alvarez a42726f836 Fixed hdr_len_bytes in PDCP NR. Tx seems OK now. 5 years ago
Pedro Alvarez 73e30743d1 Added enum to PDCP config to replace two bools. 5 years ago
Pedro Alvarez 457f35699d Reverted back to a single config structure between PDCP NR and PDCP LTE. 5 years ago
Pedro Alvarez 810cacdc02 Adding write_data_header and append_mac helper functions to PDCP NR entity. 5 years ago
Pedro Alvarez c9e99443d8 Adding PDCP NR Tx test. 5 years ago
Pedro Alvarez 8e8a7a4154 Add more logic to PDCP NR tx logic. 5 years ago
Pedro Alvarez 2081b22465 Added PDCP_SN_LEN constants. Added bearer_id and direction back to the pdcp_entity_base. 5 years ago
Pedro Alvarez 8e1b9b9f5b Starting to implement the receive function of PDCP NR. 5 years ago
Pedro Alvarez d7a2721bb0 Adding algorithm to get COUNT for PDCP NR. Added convinience functions to manipulate HFN, SN and COUNT. 5 years ago
Pedro Alvarez 52f75c3cf2 Starting to add PDCP NR state variables. 5 years ago
Pedro Alvarez 2449f901f0 Fixed error in setting Kint in pdcp_entity_lte. 5 years ago
Pedro Alvarez 1944bf9a80 Continue to split pdcp_entity_lte and pdcp_entity_nr. Compiling now. 5 years ago
Pedro Alvarez bd91678d98 Continuing to split pdcp_entity into pdcp_entity_lte and pdcp_entity_nr 5 years ago
Pedro Alvarez 005d03cb1a Starting to split pdcp_entity into pdcp_entity_lte and pdcp_entity_nr to support NR PDCP 5 years ago
Ismael Gomez 11d42acb3a Fix using deallocated PDU 5 years ago
Ismael Gomez 8c41625599 Add RLC suspend and resume 5 years ago
Francisco Paisana 58e2e51044 removed rlc_interfaces. The rlc_cnfg types are now part of the rrc_interface_types. Removed implicit RB initialization in the RLC. 5 years ago
Francisco Paisana b936629221 removed rrc asn1 header from bcd_helpers, from rlc_interface, and rlc tests 5 years ago
Pedro Alvarez 498f1b8e4b Small PDCP fixes: 
- Moved most the initialization of the pdcp_entity to the header.
  - Initilize some variables in gtpu_ntoa.
  - Removed debug print.
  - Format eNB GTP-u debugging code.
 5 years ago
Pedro Alvarez 53d2220aab Resolved conflicts with unique pointers after rebase in PDCP entity. 5 years ago
Pedro Alvarez b97d1191f4 Added more debug info at eNB GTP-U. Changed the pdcp_entity to follow the standard more strictly for RLC AM DRBs. 5 years ago
Pedro Alvarez f4fd6034ba Starting to add separate functions for PDCP handling for UM DRBs and AM DRBs 5 years ago
Pedro Alvarez 6cbcc5154d Starting to use received SN to do user plane decription. 5 years ago
Andre Puschmann 58763fb714 stack: move initialization of log object into ctor 
this fixes the issue when the stack is torn down if, for example,
the radio couldn't be loaded correctly. it will hence call stop() on all stack
components which are not initialzized yet, and logging therefore doesn't work.
the log object is know during contruction time and therefore can be passed
in as soon as possible.
 5 years ago
Andre Puschmann e0a28cf4c0 simplify PDCP init and also bypass it for SRB0 on eNB 5 years ago
Andre Puschmann 218f136254 remove default PDCP entity for SRB0 5 years ago
Andre Puschmann abef6ce152 move own ipv6 header definition into own header file and use it in tft filter 5 years ago
Andre Puschmann acbe7fabe4 rlc: fix class member initialization 
uninitialized member detected by coverity, now converted all default
initialization to be done in class definition
 5 years ago
Francisco Paisana 415d3418b6 reorganized enb to mirror ue director/class structure with a stack class 5 years ago
Andre Puschmann e8d6236975 remove init for all RLC TM/UM/AM 
- all RLC entities are now initialized during contruction
- there is no need to check for, e.g., existance of timers, during
  runtime
- there is also no need to call re-init during resume
- timers are freed in dtor
 6 years ago
Ismael Gomez f24c0cef8c Use timer interface instead of local boolean to query timer state 6 years ago
Ismael Gomez 14b526f2aa Add PDCP per-bearer reestablish 6 years ago
Ismael Gomez ade720e032 Add RLC resume procedure 6 years ago
Francisco Paisana 3bedc93ba5 added _t to unique_byte_buffer type 6 years ago
Francisco Paisana bc01a5ecda changed block_queue api to return back the unique buffer in case it fails to push it to the queue 6 years ago
Francisco Paisana f4aa03154d change queue read and other functions apis 6 years ago
Francisco Paisana f469e2178b replaced byte_buffer_t allocated by the buffer pool for unique_byte_buffer which is safer and easier to use 6 years ago
Francisco Paisana 0976ea6f27 created a unique byte buffer that automatically deallocates 6 years ago
yagoda c25f3b0acf increasing rlc UM window size for eMBMS, small adjustment to eMBMS PHY common 6 years ago
Andre Puschmann 4b01a2e4a0 update copyright notice 6 years ago
Ismael Gomez 7780b1aba5 add tdd/ca support 6 years ago
David Rupprecht eb3a83ac45 User Plane key in configuration interface 6 years ago
Andre Puschmann e84d26ae4e fix RLC UM reestablishment 6 years ago
Andre Puschmann 86232c143e expose RLC tx queue length through config struct 6 years ago
Francisco Paisana 0204db2e12 new asn1 rrc library 6 years ago
Andre Puschmann 955f5dd37a add mutex in pdcp entity 
write_sdu and write_pdu are not re-entrant because all functions
that deal with the counters, e.g. integrity check and generate,
must be protected because MAC threads may call them at the same time.

this addresses issue #254
 6 years ago
Andre Puschmann 0e7512f349 fix RLC UM params for eMBMS 6 years ago
Andre Puschmann c3441046c9 simplify RLC buffer status query procedures 
- add a simple and low-overhead has_data() method to check whether
  an RLC entity has data to transmit or not
- use this method for all calls that are actually not interested
  in the amount of data to send
- use the more expensive get_buffer_state() for all cases where
  the actual size of the buffer is of importance
 6 years ago
Andre Puschmann df40259c26 fix issue in PDCP when bearer ID for DRBs was not starting with 1 6 years ago
Andre Puschmann b71dab87f1 add function to query if RLC bearer exists (the implementation) 6 years ago
Andre Puschmann 6ca0d4494a do not transmit new PDUs after calling stop 6 years ago
Andre Puschmann ebadf3029e Merge branch 'next' of github.com:softwareradiosystems/srsLTE into next 6 years ago
Andre Puschmann e06e5b8b60 limit maximum allowd RLC SDU size 6 years ago
Pedro Alvarez d443604661 Merge next into gtp_cleanup_sn. Fixed some conflicts. 6 years ago
Andre Puschmann 96815e3a5f fix RLC AM handling of bigger MAC grants 
- fix concatenation and header reconstruction
 6 years ago
Andre Puschmann a6d9181881 fix RLC UM issue with very large MAC grants 6 years ago
Paul Sutton 0e4ab77fb0 GTPU cleanup, adding support for GTPU echo response (#265) 6 years ago
Pedro Alvarez 28f377128b Making sure both Echo request and echo response are supported types. Echo response/request is working again. 6 years ago
Pedro Alvarez a2befbd949 Fix mistake in echo reply/response message type. 6 years ago
Pedro Alvarez e925ef0a42 Added some more debug infor to error prints. Making sure that packet is not sent from the eNB if there is an error in the GTP-U header packing. Fixed error in checking msg_type. 6 years ago
Pedro Alvarez c1f633c5c7 Dropping bitfields for now. Using #defines and uint8_t for the flags. 6 years ago
Pedro Alvarez ee04639337 Changed gtpu header flags to use a bitfield. Fixing compilation issues. 6 years ago
Paul Sutton 569a7cbc94 GTPU cleanup, adding support for GTPU echo response 6 years ago
Andre Puschmann 86e02921f0 fix regression in RLC base introduced during refactor causing eMBMS to fail 6 years ago
Andre Puschmann 22b4396c39 increase default tx_queue length for RLC UM and AM 
- With the current default tx queue length (16 SDUs) the BSR reported by the UE
  is too low if the size of the SDU is relativly small (e.g. 100 B).
  This effectivly causes the eNB to only allocate a small grant
  to the UE and thus reduces the UL throughput for small SDUs.
 6 years ago
Andre Puschmann ba87819ff1 retransmit random RLC AM PDU in case tx window is full 6 years ago
Andre Puschmann 34535c7efb fix RLC AM issues reported by clang-tidy 6 years ago
Andre Puschmann d981f129e0 Merge branch 'master' into next 6 years ago