diff --git a/neutron_lib/api/definitions/portbindings.py b/neutron_lib/api/definitions/portbindings.py
index 80880d3a5..229b9dd0d 100644
--- a/neutron_lib/api/definitions/portbindings.py
+++ b/neutron_lib/api/definitions/portbindings.py
@@ -87,6 +87,10 @@ VIF_TYPE_BINDING_FAILED = 'binding_failed'
 VIF_TYPE_DISTRIBUTED = 'distributed'
 VIF_TYPE_OVS = 'ovs'
 VIF_TYPE_BRIDGE = 'bridge'
+# - ovs-acceleration: The ovs acceleration interface type is a SR-IOV hostdev
+#                     interface which support switchdev mode provided by
+#                     kernel 4.8.
+VIF_TYPE_OVS_ACCELERATION = 'ovs_acceleration'
 VIF_TYPE_OTHER = 'other'
 VIF_TYPE_TAP = 'tap'
 # vif_type_macvtap: Tells Nova that the macvtap vif_driver should be used to
diff --git a/releasenotes/notes/add_vif_type_ovs_acceleration-0f983fa70c6d7519.yaml b/releasenotes/notes/add_vif_type_ovs_acceleration-0f983fa70c6d7519.yaml
new file mode 100644
index 000000000..7af751434
--- /dev/null
+++ b/releasenotes/notes/add_vif_type_ovs_acceleration-0f983fa70c6d7519.yaml
@@ -0,0 +1,3 @@
+---
+features:
+  - Add new vif type ``VIF_TYPE_OVS_ACCELERATION`` to portbindings.
\ No newline at end of file