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Implement GBR (Guaranteed Bit Rate) QoS flow information extraction from NGAP.
This enables handling in CU of GBR QoS flows
(e.g., voice, video) that require guaranteed and maximum bit rates.
Changes:
- Define qos_bitrate_t structure to encapsulate GFBR and MFBR
- Define gbr_qos_flow_information_t structure for GBR QoS parameters
- Add optional gbr_qos_flow_information field to pdusession_level_qos_parameter_t
- Extract GBR information from NGAP_QosFlowLevelQosParameters in fill_qos()
- Add NGAP_GBR-QosInformation.h include to ngap_msg_includes.h
GBR information is optional in NGAP and is only present for GBR flows
(5QI < 5 for NonDynamic5QI, or Dynamic5QI flows with GBR characteristics).
Bit rates are in kbps.
This commit is a refactoring of commit 398ae02ab9 from !2836
Co-authored-by: Sriharsha Korada <sriharsha.korada@iis.fraunhofer.de>
Signed-off-by: Guido Casati <guido.casati@openairinterface.org>