diff --git a/protos/openolt.proto b/protos/openolt.proto
index a7915c8..069a7bc 100644
--- a/protos/openolt.proto
+++ b/protos/openolt.proto
@@ -39,6 +39,13 @@
         };
     }
 
+    rpc UplinkPacketOut(UplinkPacket) returns (Empty) {
+        option (google.api.http) = {
+          post: "/v1/UplinkPacketOut"
+          body: "*"
+        };
+    }
+
     rpc FlowAdd(Flow) returns (Empty) {
         option (google.api.http) = {
           post: "/v1/FlowAdd"
@@ -131,6 +138,11 @@
     bytes pkt = 3;
 }
 
+message UplinkPacket {
+    fixed32 intf_id = 1;
+    bytes pkt = 2;
+}
+
 message Classifier {
     fixed32 o_tpid = 1;
     fixed32 o_vid = 2;