Merge remote-tracking branch 'origin/nrppa_ngap_integration' into integration_2026_w10 (!3884)

Integrate NRPPA and NGAP messages required for positioning

This MR integrates NRPPA and NGAP messages required for positioning.
The following NGAP messages are integrated (3GPP 38.413 Version 16.0.0):

NGAP UPLINK UE ASSOCIATED NRPPA TRANSPORT
NGAP UPLINK NON UE ASSOCIATED NRPPA TRANSPORT
NGAP DOWNLINK UE ASSOCIATED NRPPA TRANSPORT
NGAP DOWNLINK NON UE ASSOCIATED NRPPA TRANSPORT

The following NRPPA messages are integrated (3GPP 38.455 Version 16.7.1):

TRP Information Request
TRP Information Response
Positioning Information Request
Positioning Information Response
Positioning activation request
Positioning Activation Response
Measurement Request
Measurement Response

This MR tests these messages via a standalone tester nr-cu-nrppa-test that
connects to the AMF to perform NGAP enc/dec and NRPPA enc/dec

Core Network:
To pull the docker images:

docker pull oaisoftwarealliance/ims:latest
docker pull oaisoftwarealliance/oai-amf:develop
docker pull oaisoftwarealliance/oai-nrf:develop
docker pull oaisoftwarealliance/oai-smf:develop
docker pull oaisoftwarealliance/oai-udr:develop
docker pull oaisoftwarealliance/oai-upf:develop
docker pull oaisoftwarealliance/oai-udm:develop
docker pull oaisoftwarealliance/oai-ausf:develop
docker pull oaisoftwarealliance/oai-lmf:develop

openairinterface5g$ cd doc/tutorial_resources/oai-cn5g
To deploy:
openairinterface5g/doc/tutorial_resources/oai-cn5g$ docker compose -f docker-compose-positioning.yaml up -d

To undeploy:
openairinterface5g/doc/tutorial_resources/oai-cn5g$ docker compose -f docker-compose-positioning.yaml down -t 0

RAN:
To compile:
openairinterface5g$ mkdir build
openairinterface5g$ cd build
openairinterface5g/build$ cmake .. -GNinja
openairinterface5g/build$ ninja nr-cu-nrppa-test

To run:
openairinterface5g/build$ LD_LIBRARY_PATH=. ./tests/nr-cu-nrppa/nr-cu-nrppa-test -O ../tests/nr-cu-nrppa/nr-nrppa-test.conf

To initiate positioning procedure:
openairinterface5g$ cd doc/tutorial_resources/positioning/
openairinterface5g/doc/tutorial_resources/positioning$ curl --http2-prior-knowledge -H "Content-Type: application/json" -d "@InputData.json" -X POST http://192.168.70.141:8080/nlmf-loc/v1/determine-location

CMakeLists.txt

@@ -441,6 +441,7 @@ add_library(ngap
   ${NGAP_DIR}/ngap_gNB_overload.c
   ${NGAP_DIR}/ngap_gNB_trace.c
   ${NGAP_DIR}/ngap_gNB_ue_context.c
+  ${NGAP_DIR}/ngap_gNB_NRPPa_transport_procedures.c
   )
 target_link_libraries(ngap PUBLIC asn1_ngap)
 target_link_libraries(ngap PRIVATE asn1_lte_rrc_hdrs asn1_nr_rrc_hdrs)
@@ -1308,6 +1309,8 @@ set (GNB_APP_SRC
   ${OPENAIR2_DIR}/GNB_APP/gnb_app.c
   ${OPENAIR2_DIR}/E1AP/e1ap_setup.c
   ${OPENAIR2_DIR}/GNB_APP/gnb_config.c
+  ${OPENAIR2_DIR}/GNB_APP/gnb_config_common.c
+  ${OPENAIR2_DIR}/GNB_APP/gnb_config_ng.c
   )
 
 set (MCE_APP_SRC