diff --git a/src/bal_interface_hdlr.h b/src/bal_interface_hdlr.h
new file mode 100755
index 0000000..98d3079
--- /dev/null
+++ b/src/bal_interface_hdlr.h
@@ -0,0 +1,21 @@
+/*
+** Copyright 2017-present Open Networking Foundation
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+extern uint32_t bal_interface_cfg_set(BalInterfaceCfg *interface_cfg);
+extern uint32_t bal_interface_cfg_get(BalInterfaceKey *interface_cfg_key,
+                                      BalInterfaceCfg *interface_cfg);
+extern uint32_t bal_interface_cfg_clear(BalInterfaceKey *interface_cfg_key);
+extern bcmos_errno bal_interface_indication_cb(bcmbal_obj *obj);