Summary:New smartswitch DPU config template

ansible/config_sonic_basedon_testbed.yml

@@ -702,6 +702,16 @@
         shell: bash "/etc/sonic/apply_clet.sh"
         when: stat_result.stat.exists is defined and stat_result.stat.exists
 
+      - block:
+         - name: create dpu config file for SONiC device
+           template: src=templates/dpu_config.j2
+                     dest=/etc/sonic/dpu_config.json
+           become: true
+
+         - name: active dpu config
+           become: true
+           shell: sonic-cfggen -j /etc/sonic/dpu_config.json -w
+
       - block:
          - name: create isis config file for SONiC device
            template: src=templates/isis_config.j2

ansible/lab

@@ -234,3 +234,43 @@ sonic_cisco_vs:
       hwsku: cisco-8101-p4-32x100-vs
       ansible_host: 10.250.0.125
       ansible_hostv6: fec0::ffff:afa:13
+
+sonic_cisco_smartswitch:
+  vars:
+    hwsku: Cisco-8102-28FH-DPU-O-T1
+    dpu_username: admin
+    iface_speed: 400000
+    num_asics: 1
+    plt_reboot_dict:
+       acl/test_acl.py::TestAclWithReboot:
+          timeout: 540
+          wait: 660
+
+    midplane_network:
+      bridge_name: "bridge-midplane"
+      bridge_address: "169.254.200.254/24"
+
+    device_metadata:
+      localhost:
+        subtype: "SmartSwitch"
+
+    feature:
+      dhcp_server:
+        auto_restart: "enabled"
+        state: "enabled"
+      dhcp_relay:
+        auto_restart: "enabled"
+        state: "enabled"
+
+    mid_plane_bridge:
+      global:
+        bridge: "bridge-midplane"
+        ip_prefix: "169.254.200.254/24"
+
+    dhcp_server_ipv4:
+      bridge-midplane:
+        gateway: "169.254.200.254"
+        lease_time: "600000000"
+        mode: "PORT"
+        netmask: "255.255.255.0"
+        state: "enabled"

ansible/templates/dpu_config.j2

@@ -0,0 +1,80 @@
+{
+    "CHASSIS_MODULE": {
+        {% for dpu in range(8) -%}
+        "DPU{{ dpu }}": {
+            "admin_status": "up"
+        }{% if not loop.last %},{% endif %}
+        {%- endfor %}
+
+    },
+    "midplane_network": {
+        "bridge_name": "{{ midplane_network.bridge_name }}",
+        "bridge_address": "{{ midplane_network.bridge_address }}"
+    },
+    "DEVICE_METADATA": {
+        "localhost": {
+            "subtype": "{{ device_metadata.localhost.subtype }}"
+        }
+    },
+    "FEATURE": {
+        "dhcp_server": {
+            "auto_restart": "{{ feature.dhcp_server.auto_restart }}",
+            "state": "{{ feature.dhcp_server.state }}"
+        },
+        "dhcp_relay": {
+            "auto_restart": "{{ feature.dhcp_relay.auto_restart }}",
+            "state": "{{ feature.dhcp_relay.state }}"
+        }
+    },
+    "MID_PLANE_BRIDGE": {
+        "GLOBAL": {
+            "bridge": "{{ mid_plane_bridge.global.bridge }}",
+            "ip_prefix": "{{ mid_plane_bridge.global.ip_prefix }}"
+        }
+    },
+    "DHCP_SERVER_IPV4": {
+        "{{ midplane_network.bridge_name }}": {
+            "gateway": "{{ dhcp_server_ipv4[midplane_network.bridge_name].gateway }}",
+            "lease_time": "{{ dhcp_server_ipv4[midplane_network.bridge_name].lease_time }}",
+            "mode": "{{ dhcp_server_ipv4[midplane_network.bridge_name].mode }}",
+            "netmask": "{{ dhcp_server_ipv4[midplane_network.bridge_name].netmask }}",
+            "state": "{{ dhcp_server_ipv4[midplane_network.bridge_name].state }}"
+
+        }
+    },
+    "DHCP_SERVER_IPV4_PORT": {
+        {% for dpu in range(8) -%}
+        "{{ midplane_network.bridge_name }}|dpu{{ dpu }}": {
+            "ips": [
+                "{{ '169.254.200.' ~ dpu }}"
+            ]
+        }{% if not loop.last %},{% endif %}
+        {%- endfor %}
+
+    },
+    "DPUS": {
+        {% for dpu in range(8) -%}
+        "dpu{{ dpu }}": {
+            "midplane_interface": "dpu{{ dpu }}"
+        }{% if not loop.last %},{% endif %}
+        {%- endfor %}
+
+    },
+    "INTERFACE": {
+        {% for i in range(8) -%}
+        "Ethernet-BP{{ i }}": {},
+        "Ethernet-BP{{ i }}|18.{{ i }}.202.0/31": {}{% if not loop.last %},
+        {% endif %}
+        {%- endfor %}
+
+    },
+    "PORT": {
+        {% for dpu in range(8) -%}
+        "Ethernet-BP{{ dpu }}": {
+            "admin_status": "up"
+        }{% if not loop.last %},{% endif %}
+        {%- endfor %}
+
+    }
+
+}