diff --git a/os_net_config/impl_nmstate.py b/os_net_config/impl_nmstate.py
index 90c90906..25897541 100644
--- a/os_net_config/impl_nmstate.py
+++ b/os_net_config/impl_nmstate.py
@@ -22,6 +22,7 @@ from libnmstate.schema import BondMode
 from libnmstate.schema import DNS
 from libnmstate.schema import Ethernet
 from libnmstate.schema import Ethtool
+from libnmstate.schema import InfiniBand
 from libnmstate.schema import Interface
 from libnmstate.schema import InterfaceIPv4
 from libnmstate.schema import InterfaceIPv6
@@ -1479,6 +1480,44 @@ class NmstateNetConfig(os_net_config.NetConfig):
             self.add_ethtool_config(sriov_vf.name, data,
                                     sriov_vf.ethtool_opts)
 
+    def add_ib_interface(self, ib_interface):
+        """Add an InfiniBand interface object to the net config object.
+
+        :param ib_interface: The InfiniBand interface object to add.
+        """
+        logger.info('adding ib_interface: %s' % ib_interface.name)
+        data = self._add_common(ib_interface)
+        logger.debug('ib_interface data: %s' % data)
+        data[Interface.TYPE] = InterfaceType.INFINIBAND
+        if ib_interface.ethtool_opts:
+            self.add_ethtool_config(ib_interface.name, data,
+                                    ib_interface.ethtool_opts)
+        # Default mode is set to 'datagram' since 'connected' is not
+        # supported in some devices
+        config = {}
+        config[InfiniBand.MODE] = InfiniBand.Mode.DATAGRAM
+        data[InfiniBand.CONFIG_SUBTREE] = config
+        self.interface_data[ib_interface.name] = data
+
+    def add_ib_child_interface(self, ib_child_interface):
+        """Add an InfiniBand child interface object to the net config object.
+
+        :param ib_child_interface: The InfiniBand child
+         interface object to add.
+        """
+        logger.info('adding ib_child_interface: %s' % ib_child_interface.name)
+        data = self._add_common(ib_child_interface)
+        logger.debug('ib_child_interface data: %s' % data)
+        data[Interface.TYPE] = InterfaceType.INFINIBAND
+        config = {}
+        config[InfiniBand.PKEY] = ib_child_interface.pkey_id
+        config[InfiniBand.BASE_IFACE] = ib_child_interface.parent
+        # Default mode is set to 'datagram' since 'connected' is not
+        # supported in some devices
+        config[InfiniBand.MODE] = InfiniBand.Mode.DATAGRAM
+        data[InfiniBand.CONFIG_SUBTREE] = config
+        self.interface_data[ib_child_interface.name] = data
+
     def apply(self, cleanup=False, activate=True):
         """Apply the network configuration.
 
diff --git a/os_net_config/tests/test_impl_nmstate.py b/os_net_config/tests/test_impl_nmstate.py
index a68bc769..d147ce72 100644
--- a/os_net_config/tests/test_impl_nmstate.py
+++ b/os_net_config/tests/test_impl_nmstate.py
@@ -1495,6 +1495,55 @@ class TestNmstateNetConfig(base.TestCase):
         self.assertEqual(yaml.safe_load(exp_bond_config),
                          self.get_linuxbond_config('bond_lnx'))
 
+    def test_infiniband_parent(self):
+        expected_ib_config = """
+        ipv4:
+            dhcp: False
+            enabled: False
+        ipv6:
+            autoconf: False
+            dhcp: False
+            enabled: False
+        mtu: 1400
+        name: ib0
+        state: up
+        type: infiniband
+        infiniband:
+            mode: datagram
+        """
+
+        interface1 = objects.Interface('ib0', mtu=1400)
+        self.provider.add_ib_interface(interface1)
+        self.assertEqual(yaml.safe_load(expected_ib_config),
+                         self.get_interface_config('ib0'))
+
+        expected_ib2_config = """
+        name: ib0.8064
+        ipv4:
+            dhcp: False
+            enabled: True
+            address:
+                - ip: 192.168.1.2
+                  prefix-length: 24
+        ipv6:
+            autoconf: False
+            dhcp: False
+            enabled: False
+        state: up
+        type: infiniband
+        infiniband:
+            pkey: "0x8064"
+            base-iface: ib0
+            mode: datagram
+        """
+        v4_addr = objects.Address('192.168.1.2/24')
+        interface2 = objects.IbChildInterface(parent='ib0',
+                                              pkey_id=100,
+                                              addresses=[v4_addr])
+        self.provider.add_ib_child_interface(interface2)
+        self.assertEqual(yaml.safe_load(expected_ib2_config),
+                         self.get_interface_config('ib0.8064'))
+
 
 class TestNmstateNetConfigApply(base.TestCase):