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srsRAN_4G
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68 Commits (138230f4e4401eb678a26bf99db9334dff7a6b41)

Author SHA1 Message Date
Ismael Gomez 77b11b82ac
Release UE if no activity in DRB (#2658) 
* Count user activity with DRB only and SRBs for initial procedures. Add counter to release user after max KO in UL.
 4 years ago
Francisco b8fa1d1b61 fix rrc mobility test 4 years ago
Francisco 66988ffd32 s1ap - simplified erab setup procedure. Handle correctly the failure to setup causes 4 years ago
Francisco f401683960 s1ap - simplified erab modify procedure 4 years ago
Francisco 76978f0d14 s1ap - simplified erab release procedure 4 years ago
Francisco 7842e3bff3 s1ap - add unit test to check correct handling of invalid E-RAB ids in modification request. Fix s1ap in order for the test to pass 4 years ago
Francisco 60d5c6df7b implementation of memory pool with individual memory blocks per UE that get accessed via their rnti 4 years ago
Andre Puschmann 7459a65a8e enb,rrc_ue: remove unused variable 4 years ago
Francisco cdf72248f3 Reimplement batch-based background object/memory pool 
Main changes:
- addition of pool utilities
- The node size/alignment and batch allocation threshold are now runtime arguments
- object pool and memory pool are not anymore based on the same class.
  The object pool cannot use intrusive free list because it would overwrite the object
  memory
 4 years ago
Francisco ec3cd9ffea adt - added background object pool test, and fix existing bugs related to the creation of pools with objects that are too small to be used in free lists 4 years ago
Francisco d1c5b000dc adt - creation of pre-initialized object pool, that leverages the background memory pool allocator 4 years ago
Pedro Alvarez e1a852d4b8 Split split RLF timer and Inactivity timer 4 years ago
Pedro Alvarez 47135cb75b Changed counting of KOs to RRC 4 years ago
faluco 54fab314c0 Enhance RRC eNB events: 
- Implement a common event "log_rrc" for all RRC events and discriminate by procedure using an enum.
- Log events for connection, reestablishment, reconfig, reject and release.
- Log the corresponding ASN1 message used by each procedure.
- Redefine the JSON object for this event to match the new structure.

Fixed a compilation error detected by the static analyzer in gcc9.3 where bounded_vector::data() was using taking the address of the internal buffer which confused it, prefer to use the data method of std::array.
 4 years ago
Pedro Alvarez 8c7aed1f81 Added handling of MSG3 timout exipiry in activity_timer_expired(). Avoid notifying S1AP in that case. 4 years ago
Pedro Alvarez 37699f2215 Send radio connection with UE lost if max retx are reached 4 years ago
Francisco e1523692c2 implementation of concurrent fixed size pool that leverages thread local caches to avoid mutexing 4 years ago
Codebot 4523ee6087 rename srsLTE to srsRAN 4 years ago
Francisco 6159cb3817 add assert to ensure a valid ptr is passed to memory pool deallocator 4 years ago
Francisco 20928651c7 created batch allocator that leverages background worker pool 4 years ago
Francisco 290f39d805 fix crnti mac ce handling in the rrc in normal (no handover) case 4 years ago
Andre Puschmann 46d8ed8742 enb,rrc: delay UE release after RLC maxRetx 
this fixes the eNB behaviour when RLC signals maxRetx reached.
By directly releasing the UE, we ignore the fact that the UE
could still have the reestablishment counters running, so
could attempt a reestablishment, which would result in a reject
because we would have destroyed the UE context too early.

this patch delays the removal of the UE to wait at least
until the reestablishment timers are expired.
 4 years ago
Pedro Alvarez 976b5c12c1
Releasing the UE when max retransmissions are reached in the RLC. (#2385) 4 years ago
faluco a940e169a3 Add the enb_cc_idx value to S1 events. 4 years ago
faluco a4605883f0 Implement second revision of the events and metrics document. 4 years ago
Francisco 23459dee28 Created enb_{rlc/pdcp/gtpu/phy_interfaces.h files. 4 years ago
Francisco 3265d940ec remove byte buffer pool cached member variables as they are unnecessary now. 4 years ago
faluco 96c07a69c0 Report the RLF event to the JSON event file in the enb. 4 years ago
herlesupreeth 47fff7226a Send NAS PDU in E-RAB Release Command and issue RRCConnectionReconfiguration to UE 
This commit addresses the following points

- If a NAS-PDU IE is contained in the E-RAB RELEASE COMMAND message, the eNB shall pass it to the UE.
- Issue RRCConnectionReconfiguration for the DRB to be removed
- Cleaning of DRB in RLC and GTP-U
- Fix for Malformed E-RAB Setup Response upon reaching max. DRBs
 4 years ago
Francisco 2befbd1825 setup of forwarding tunnels during enb s1 handover 4 years ago
Francisco Paisana 9c7c190074 when the rrc fails to allocate the ue cell resources, it should erase the ue from all stack layers 4 years ago
Francisco Paisana 0761a8f08b Add RLF-Report handling functions to srsENB 4 years ago
Francisco Paisana 434bdfca68 decoupled srsenb rrc ue mac controller from the rrc::ue class 4 years ago
Francisco Paisana f8b7351e1b implementation of object memory pool via class-specific operator new/delete 4 years ago
Pedro Alvarez 0c20b7a455 Added support for S1AP modify bearer request support. This includes: 
- Handle received E-RAB S1AP at s1ap.cc.
 - Added methods to rrc.cc, rrc_ue.cc and rrc_bearer_cfg.cc to handle erab modify request.
 - Made RLC add_bearer() function capable of re-creating the RLC entity.
 - Send RRC reconfiguration to the UE and reply to the EPC with S1AP
   modify bearer response.

This commit also adds support to srsEPC to send S1AP modify bearer request for
testing purposes.
 4 years ago
Francisco 43e0a3209d fill enb rrc metrics with drb info 4 years ago
Pedro Alvarez 7eebd71627 Added S1AP E-RAB release command/response handling to srsENB. 
Added the ability to srsEPC to send the E-RAB release command.
 4 years ago
Andre Puschmann 07d2bc4fe8 change license header to agnostic version with hint to root LICENSE file 4 years ago
Francisco 324cb80cac rename cell_info_common->enb_cell_common and cell_ctxt_dedicated->ue_cell_ded 4 years ago
Francisco 1cb65f07f1 enable meas gaps in RRC and enb parser 4 years ago
Francisco Paisana 980278fdec add comments regarding radio resource asn1 setting in the eNB 4 years ago
Francisco Paisana b40a5a958e use common function to fill rrc reconf message in handover 4 years ago
Francisco Paisana 836e7d7ede refactor scell addition in the srsenb::rrc to follow the same style of other rrc recfg fields 4 years ago
Francisco Paisana a8e11d7991 removal of the special case for rrc reconf update 4 years ago
Francisco Paisana 7bf196a6e0 removal of srb handling from srsenb::rrc::bearer_cfg_handler 4 years ago
Francisco Paisana 890113fd32 now the rrc enb is using a common function for rr_cfg reconf for the first reconf message 4 years ago
Francisco Paisana ce78fa82ce now the rrc enb is using a common function for rr_cfg setup/reest 4 years ago
Francisco Paisana c46402c836 fix phy configuration during handover on srsenb. The function srsenb::rrc::ue::fill_scell_to_addmod_list assumes that the phy_cfg of the PCell is up-to-date, which was not the case. With this PR, the srsenb rrc updates the phy_cfg before the ho cmd is sent, but, in the case of intra-enb ho, the updates are not submitted to the phy before the reception of the crnti mac ce 4 years ago
Francisco Paisana d42cdca729 fix scell activation in the phy during intra-enb handover. 4 years ago
Ismael Gomez 59b6301cc8 Remove legacy arbritrary 1s timeout for eNB requests 4 years ago