Merge remote-tracking branch 'origin/zmq-radio-3' into integration_2026_w17 (!3975)

ZMQ radio

This is a zmq radio implementation that attempts to integrate NR UE with
the ocudu project.

OAI integration status:
This can currently be used to connect OAI gnb and OAI UE.

Compilation:
cmake --build . --target nr-softmodem nr-uesoftmodem ldpc params_libconfig zmq_radio

Running
- gNB command:
sudo ./nr-softmodem -O ../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf --gNBs.[0].min_rxtxtime 6 --device.name zmq_radio --zmq.[0].tx_channels tcp://127.0.0.1:4556 --zmq.[0].rx_channels tcp://127.0.0.1:4557

- UE command:
sudo ./nr-uesoftmodem -r 106 --numerology 1 --band 78 -C 3619200000 --ssb 516 --device.name zmq_radio --zmq.[0].tx_channels tcp://127.0.0.1:4557 --zmq.[0].rx_channels tcp://127.0.0.1:4556

A new CI testcase for 2x2 configuration was added.

OCUDU integration status:
The OAI NR UE enters RRC Connected state.

For more details, please refer to the description of MR !3975.

docker/Dockerfile.base.ubuntu

@@ -40,7 +40,8 @@ RUN apt-get update && \
        wget \
        flatbuffers-compiler \
        libflatbuffers-dev \
-       libnanomsg-dev && \
+       libnanomsg-dev \
+       libzmq3-dev && \
     # --break-system-packages allows externally managed environment in pip 
     pip3 install --ignore-installed pyyaml --break-system-packages
 

docker/Dockerfile.build.ubuntu

@@ -32,6 +32,7 @@ RUN \
       -w USRP -t Ethernet -w BLADERF \
       --build-e2 --cmake-opt -DKPM_VERSION=$KPM_VERSION --cmake-opt -DE2AP_VERSION=$E2AP_VERSION \
       --cmake-opt -DOAI_VRTSIM_TAPS_CLIENT=ON \
+      -w ZMQ \
       --noavx512 \
       --build-tool-opt -k10 \
       --cmake-opt -DT_RECORD_DB=ON \

docker/Dockerfile.gNB.ubuntu

@@ -47,7 +47,8 @@ RUN apt-get update && \
         python3-requests \
         libusb-1.0-0 \
         libyaml-cpp-dev \
-        libnanomsg5 && \
+        libnanomsg5 \
+        libzmq5 && \
 # if the --sanitize option was used to build, additional packages are required
     /bin/bash -c 'if [[ "$BUILD_OPTION" = "--sanitize" ]]; then DEBIAN_FRONTEND=noninteractive apt-get install --yes \
         libasan8 \ 
@@ -78,6 +79,7 @@ COPY --from=gnb-build \
     /oai-ran/cmake_targets/ran_build/build/libtelnetsrv_rrc.so \
     /oai-ran/cmake_targets/ran_build/build/libtelnetsrv_o1.so \
     /oai-ran/cmake_targets/ran_build/build/libvrtsim.so \
+    /oai-ran/cmake_targets/ran_build/build/liboai_zmqdevif.so \
     /usr/local/lib/
 
 # Now we are copying from builder-image the UHD files.
@@ -105,7 +107,8 @@ RUN /bin/bash -c "ln -s /usr/local/lib/liboai_usrpdevif.so /usr/local/lib/liboai
         /usr/local/lib/libldpc*.so \
         /usr/local/lib/libtelnetsrv.so \
         /usr/local/lib/libtelnetsrv_ci.so \
-        /usr/local/lib/libuhd.so.4.8.0
+        /usr/local/lib/libuhd.so.4.8.0 \
+        /usr/local/lib/liboai_zmqdevif.so
 
 WORKDIR /opt/oai-gnb
 #EXPOSE 2152/udp  # S1U, GTP/UDP

docker/Dockerfile.nrUE.ubuntu

@@ -50,7 +50,8 @@ RUN apt-get update && \
         iperf \
         libyaml-cpp-dev \
         libzstd1 \
-        libnanomsg5 && \
+        libnanomsg5 \
+        libzmq5 && \
 # if the --sanitize option was used to build, additional packages are required
     /bin/bash -c 'if [[ "$BUILD_OPTION" = "--sanitize" ]]; then DEBIAN_FRONTEND=noninteractive apt-get install --yes \
         libasan8 \
@@ -83,6 +84,7 @@ COPY --from=nr-ue-build \
     /oai-ran/cmake_targets/ran_build/build/libtelnetsrv.so \
     /oai-ran/cmake_targets/ran_build/build/libparams_yaml.so \
     /oai-ran/cmake_targets/ran_build/build/libvrtsim.so \
+    /oai-ran/cmake_targets/ran_build/build/liboai_zmqdevif.so \
     # Wildcards so it doesn't fail if not present
     /oai-ran/cmake_targets/ran_build/build/_deps*/fmtlog-build*/libfmtlog-shared*.so \
     /oai-ran/cmake_targets/ran_build/build/_deps*/clickhouse-cpp-build*/clickhouse/libclickhouse*.so \
@@ -114,7 +116,8 @@ RUN /bin/bash -c "ln -s /usr/local/lib/liboai_usrpdevif.so /usr/local/lib/liboai
         /usr/local/lib/libtelnetsrv.so \
         /usr/local/lib/libtelnetsrv_ciUE.so \
         /usr/local/lib/libtelnetsrv_5Gue.so \
-        /usr/local/lib/libuhd.so.4.8.0
+        /usr/local/lib/libuhd.so.4.8.0 \
+        /usr/local/lib/liboai_zmqdevif.so
 
 WORKDIR /opt/oai-nr-ue