diff --git a/voltha/adapters/openolt/protos/openolt.proto b/voltha/adapters/openolt/protos/openolt.proto
index 56d87f4..0cb6192 100644
--- a/voltha/adapters/openolt/protos/openolt.proto
+++ b/voltha/adapters/openolt/protos/openolt.proto
@@ -60,6 +60,19 @@
         };
     }
 
+    rpc EnablePonIf(Interface) returns (Empty) {
+        option (google.api.http) = {
+            post: "/v1/EnablePonIf"
+            body: "*"
+        };
+    }
+
+    rpc DisablePonIf(Interface) returns (Empty) {
+        option (google.api.http) = {
+            post: "/v1/DisablePonIf"
+            body: "*"
+        };
+    }
 
     rpc EnableIndication(Empty) returns (stream Indication) {}
 }
@@ -136,6 +149,10 @@
     bytes pkt = 4;
 }
 
+message Interface {
+    fixed32 intf_id = 1;
+}
+
 message Heartbeat {
     fixed32 heartbeat_signature = 1;
 }