vpp: T8125: Enable ip4-dhcp-client-detect feature if interface address is configured as DHCP

DHCP address cannot be assigned on VPP interfaces without enabling the 'ip4-dhcp-client-detect' feature

1 files changed, 31 insertions, 0 deletions

diff --git a/python/vyos/vpp/control_vpp.py b/python/vyos/vpp/control_vpp.py
index 2ee253b45..18ec349bc 100644
--- a/python/vyos/vpp/control_vpp.py
+++ b/python/vyos/vpp/control_vpp.py
@@ -494,3 +494,34 @@ class VPPControl:
                 cp_sw_if_index=self.get_sw_if_index(vpp_pair_name),
                 is_add=is_add,
             )
+
+    @_Decorators.api_call
+    def enable_dhcp_client(self, ifname: str) -> None:
+        """Enable DHCP client detection on a given interface
+
+        Args:
+            ifname (str): name of an interface in kernel
+        """
+        iface_index = self.get_sw_if_index(ifname)
+        feature_is_enabled = self.__vpp_api_client.api.feature_is_enabled(
+            sw_if_index=iface_index,
+            feature_name='ip4-dhcp-client-detect',
+            arc_name='ip4-unicast',
+        )
+        if not feature_is_enabled.is_enabled:
+            self.__vpp_api_client.api.dhcp_client_detect_enable_disable(
+                sw_if_index=iface_index,
+                enable=True,
+            )
+
+    @_Decorators.api_call
+    def disable_dhcp_client(self, ifname: str) -> None:
+        """Disable DHCP client detection on a given interface
+
+        Args:
+            ifname (str): name of an interface in kernel
+        """
+        self.__vpp_api_client.api.dhcp_client_detect_enable_disable(
+            sw_if_index=self.get_sw_if_index(ifname),
+            enable=False,
+        )