diff --git a/pipelines/fabric/impl/src/main/java/org/onosproject/pipelines/fabric/impl/behaviour/FabricInterpreter.java b/pipelines/fabric/impl/src/main/java/org/onosproject/pipelines/fabric/impl/behaviour/FabricInterpreter.java
index 358f86d..4ed412d 100644
--- a/pipelines/fabric/impl/src/main/java/org/onosproject/pipelines/fabric/impl/behaviour/FabricInterpreter.java
+++ b/pipelines/fabric/impl/src/main/java/org/onosproject/pipelines/fabric/impl/behaviour/FabricInterpreter.java
@@ -197,15 +197,31 @@
             throws PiInterpreterException {
         try {
             ImmutableList.Builder<PiPacketMetadata> builder = ImmutableList.builder();
-            builder.add(PiPacketMetadata.builder()
-                    .withId(FabricConstants.EGRESS_PORT)
-                    .withValue(copyFrom(portNumber)
-                            .fit(PORT_BITWIDTH))
-                    .build());
-            builder.add(PiPacketMetadata.builder()
-                    .withId(FabricConstants.DO_FORWARDING)
-                    .withValue(copyFrom(doForwarding ? ONE : ZERO))
-                    .build());
+            // We have observed an issue with p4lang/PI and BMv2 where in
+            // presence of multiple metadata fields, the PI implementation for
+            // BMv2 provides an erroneous serialization of the packet-out
+            // header, an hence affects the parsing/forwarding behavior. As a
+            // workaround, since we cannot control the order of fields in the
+            // p4runtime.PacketOut message, we modify the interpreter to only
+            // add one field, egress_port or do_forwarding. Both fields
+            // are treated as mutually exclusive by the P4 pipeline, so the
+            // operation is safe. This is against the P4Runtime spec (all fields
+            // should be provided), but supported by bmv2 (unset fields are
+            // initialized to zero).
+            if (portNumber >= 0) {
+                // 0 is a valid port number.
+                builder.add(PiPacketMetadata.builder()
+                        .withId(FabricConstants.EGRESS_PORT)
+                        .withValue(copyFrom(portNumber)
+                                .fit(PORT_BITWIDTH))
+                        .build());
+            }
+            if (doForwarding) {
+                builder.add(PiPacketMetadata.builder()
+                        .withId(FabricConstants.DO_FORWARDING)
+                        .withValue(copyFrom(ONE))
+                        .build());
+            }
             return builder.build();
         } catch (ImmutableByteSequence.ByteSequenceTrimException e) {
             throw new PiInterpreterException(format(
@@ -236,7 +252,7 @@
         for (Instructions.OutputInstruction outInst : outInstructions) {
             if (outInst.port().equals(TABLE)) {
                 // Logical port. Forward using the switch tables like a regular packet.
-                builder.add(createPiPacketOperation(packet.data(), 0, true));
+                builder.add(createPiPacketOperation(packet.data(), -1, true));
             } else if (outInst.port().equals(FLOOD)) {
                 // Logical port. Create a packet operation for each switch port.
                 final DeviceService deviceService = handler().get(DeviceService.class);
diff --git a/pipelines/fabric/impl/src/main/java/org/onosproject/pipelines/fabric/impl/behaviour/pipeliner/FabricPipeliner.java b/pipelines/fabric/impl/src/main/java/org/onosproject/pipelines/fabric/impl/behaviour/pipeliner/FabricPipeliner.java
index eda5786..d1e9de2 100644
--- a/pipelines/fabric/impl/src/main/java/org/onosproject/pipelines/fabric/impl/behaviour/pipeliner/FabricPipeliner.java
+++ b/pipelines/fabric/impl/src/main/java/org/onosproject/pipelines/fabric/impl/behaviour/pipeliner/FabricPipeliner.java
@@ -129,6 +129,8 @@
         this.nextTranslator = new NextObjectiveTranslator(deviceId, capabilities);
         this.coreService = context.directory().get(CoreService.class);
         this.appId = coreService.getAppId(FabricPipeconfLoader.PIPELINE_APP_NAME);
+
+        initializePipeline();
     }
 
     protected void initializePipeline() {
diff --git a/pipelines/fabric/impl/src/main/resources/include/control/spgw.p4 b/pipelines/fabric/impl/src/main/resources/include/control/spgw.p4
index 2ec4776..adacd9a 100644
--- a/pipelines/fabric/impl/src/main/resources/include/control/spgw.p4
+++ b/pipelines/fabric/impl/src/main/resources/include/control/spgw.p4
@@ -322,7 +322,7 @@
 
 
         hdr.outer_gtpu.setValid();
-        hdr.outer_gtpu.version = GTPU_VERSION;
+        hdr.outer_gtpu.version = GTP_V1;
         hdr.outer_gtpu.pt = GTP_PROTOCOL_TYPE_GTP;
         hdr.outer_gtpu.spare = 0;
         hdr.outer_gtpu.ex_flag = 0;
diff --git a/pipelines/fabric/impl/src/main/resources/include/define.p4 b/pipelines/fabric/impl/src/main/resources/include/define.p4
index 7b46dee..4a30837 100644
--- a/pipelines/fabric/impl/src/main/resources/include/define.p4
+++ b/pipelines/fabric/impl/src/main/resources/include/define.p4
@@ -75,7 +75,7 @@
 
 #define UDP_PORT_GTPU 2152
 #define GTP_GPDU 0xff
-#define GTPU_VERSION 0x01
+#define GTP_V1 0x01
 #define GTP_PROTOCOL_TYPE_GTP 0x01
 
 #define PKT_INSTANCE_TYPE_NORMAL 0
diff --git a/pipelines/fabric/impl/src/main/resources/include/header.p4 b/pipelines/fabric/impl/src/main/resources/include/header.p4
index ce6fcf8..4b4e315 100644
--- a/pipelines/fabric/impl/src/main/resources/include/header.p4
+++ b/pipelines/fabric/impl/src/main/resources/include/header.p4
@@ -125,7 +125,7 @@
     bit<64> timestamp;
 }
 
-#ifdef WITH_SPGW
+
 // GTPU v1
 header gtpu_t {
     bit<3>  version;    /* version */
@@ -139,6 +139,7 @@
     teid_t  teid;       /* tunnel endpoint id */
 }
 
+#ifdef WITH_SPGW
 struct spgw_meta_t {
     bit<16>           ipv4_len;
     teid_t            teid;
diff --git a/pipelines/fabric/impl/src/main/resources/include/parser.p4 b/pipelines/fabric/impl/src/main/resources/include/parser.p4
index 21032c7..5e5ee5b 100644
--- a/pipelines/fabric/impl/src/main/resources/include/parser.p4
+++ b/pipelines/fabric/impl/src/main/resources/include/parser.p4
@@ -181,9 +181,11 @@
         packet.extract(hdr.udp);
         fabric_metadata.l4_sport = hdr.udp.sport;
         fabric_metadata.l4_dport = hdr.udp.dport;
-        transition select(hdr.udp.dport) {
+        gtpu_t gtpu = packet.lookahead<gtpu_t>();
+        transition select(hdr.udp.dport, gtpu.version, gtpu.msgtype) {
 #ifdef WITH_SPGW
-            UDP_PORT_GTPU: parse_gtpu;
+            // Treat GTP control traffic as payload.
+            (UDP_PORT_GTPU, GTP_V1, GTP_GPDU): parse_gtpu;
 #endif // WITH_SPGW
 #ifdef WITH_INT
             default: parse_int;
diff --git a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-bng/bmv2/default/bmv2.json b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-bng/bmv2/default/bmv2.json
index 19b8530..7e5f3f2 100644
--- a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-bng/bmv2/default/bmv2.json
+++ b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-bng/bmv2/default/bmv2.json
@@ -5,12 +5,15 @@
       "id" : 0,
       "fields" : [
         ["tmp_0", 1, false],
+        ["tmp_2", 3, false],
+        ["tmp_4", 8, false],
         ["tmp_1", 16, false],
         ["tmp_3", 16, false],
         ["tmp_5", 4, false],
         ["tmp_6", 16, false],
-        ["tmp_2", 32, false],
-        ["tmp_4", 32, false],
+        ["tmp_7", 64, false],
+        ["tmp_8", 32, false],
+        ["tmp_9", 32, false],
         ["bng_ingress_upstream_hasReturned", 1, false],
         ["userMetadata._ip_eth_type0", 16, false],
         ["userMetadata._vlan_id1", 12, false],
@@ -39,7 +42,7 @@
         ["userMetadata._bng_ds_meter_result24", 32, false],
         ["userMetadata._bng_s_tag25", 12, false],
         ["userMetadata._bng_c_tag26", 12, false],
-        ["_padding_0", 4, false]
+        ["_padding_0", 1, false]
       ]
     },
     {
@@ -52,9 +55,24 @@
       ]
     },
     {
-      "name" : "standard_metadata",
+      "name" : "gtpu_t",
       "id" : 2,
       "fields" : [
+        ["version", 3, false],
+        ["pt", 1, false],
+        ["spare", 1, false],
+        ["ex_flag", 1, false],
+        ["seq_flag", 1, false],
+        ["npdu_flag", 1, false],
+        ["msgtype", 8, false],
+        ["msglen", 16, false],
+        ["teid", 32, false]
+      ]
+    },
+    {
+      "name" : "standard_metadata",
+      "id" : 3,
+      "fields" : [
         ["ingress_port", 9, false],
         ["egress_spec", 9, false],
         ["egress_port", 9, false],
@@ -76,7 +94,7 @@
     },
     {
       "name" : "ethernet_t",
-      "id" : 3,
+      "id" : 4,
       "fields" : [
         ["dst_addr", 48, false],
         ["src_addr", 48, false]
@@ -84,7 +102,7 @@
     },
     {
       "name" : "vlan_tag_t",
-      "id" : 4,
+      "id" : 5,
       "fields" : [
         ["eth_type", 16, false],
         ["pri", 3, false],
@@ -94,14 +112,14 @@
     },
     {
       "name" : "eth_type_t",
-      "id" : 5,
+      "id" : 6,
       "fields" : [
         ["value", 16, false]
       ]
     },
     {
       "name" : "pppoe_t",
-      "id" : 6,
+      "id" : 7,
       "fields" : [
         ["version", 4, false],
         ["type_id", 4, false],
@@ -113,7 +131,7 @@
     },
     {
       "name" : "mpls_t",
-      "id" : 7,
+      "id" : 8,
       "fields" : [
         ["label", 20, false],
         ["tc", 3, false],
@@ -123,7 +141,7 @@
     },
     {
       "name" : "ipv4_t",
-      "id" : 8,
+      "id" : 9,
       "fields" : [
         ["version", 4, false],
         ["ihl", 4, false],
@@ -142,7 +160,7 @@
     },
     {
       "name" : "tcp_t",
-      "id" : 9,
+      "id" : 10,
       "fields" : [
         ["sport", 16, false],
         ["dport", 16, false],
@@ -159,7 +177,7 @@
     },
     {
       "name" : "udp_t",
-      "id" : 10,
+      "id" : 11,
       "fields" : [
         ["sport", 16, false],
         ["dport", 16, false],
@@ -169,7 +187,7 @@
     },
     {
       "name" : "icmp_t",
-      "id" : 11,
+      "id" : 12,
       "fields" : [
         ["icmp_type", 8, false],
         ["icmp_code", 8, false],
@@ -181,7 +199,7 @@
     },
     {
       "name" : "packet_in_header_t",
-      "id" : 12,
+      "id" : 13,
       "fields" : [
         ["ingress_port", 9, false],
         ["_pad", 7, false]
@@ -197,99 +215,106 @@
       "pi_omit" : true
     },
     {
-      "name" : "scalars",
+      "name" : "gtpu_0",
       "id" : 1,
+      "header_type" : "gtpu_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "scalars",
+      "id" : 2,
       "header_type" : "scalars_0",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "standard_metadata",
-      "id" : 2,
+      "id" : 3,
       "header_type" : "standard_metadata",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "ethernet",
-      "id" : 3,
+      "id" : 4,
       "header_type" : "ethernet_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "vlan_tag",
-      "id" : 4,
-      "header_type" : "vlan_tag_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "inner_vlan_tag",
       "id" : 5,
       "header_type" : "vlan_tag_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
-      "name" : "eth_type",
+      "name" : "inner_vlan_tag",
       "id" : 6,
+      "header_type" : "vlan_tag_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "eth_type",
+      "id" : 7,
       "header_type" : "eth_type_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "pppoe",
-      "id" : 7,
+      "id" : 8,
       "header_type" : "pppoe_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "mpls",
-      "id" : 8,
+      "id" : 9,
       "header_type" : "mpls_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "ipv4",
-      "id" : 9,
+      "id" : 10,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "tcp",
-      "id" : 10,
+      "id" : 11,
       "header_type" : "tcp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "udp",
-      "id" : 11,
+      "id" : 12,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "icmp",
-      "id" : 12,
+      "id" : 13,
       "header_type" : "icmp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_out",
-      "id" : 13,
+      "id" : 14,
       "header_type" : "packet_out_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_in",
-      "id" : 14,
+      "id" : 15,
       "header_type" : "packet_in_header_t",
       "metadata" : false,
       "pi_omit" : true
@@ -1149,6 +1174,519 @@
                 }
               ],
               "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_7"]
+                },
+                {
+                  "type" : "lookahead",
+                  "value" : [0, 64]
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "parameters" : [
+                    {
+                      "type" : "header",
+                      "value" : "gtpu_0"
+                    }
+                  ],
+                  "op" : "add_header"
+                }
+              ],
+              "op" : "primitive"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "version"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "pt"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3c"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "spare"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3b"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "ex_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3a"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "seq_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x39"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "npdu_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x38"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msgtype"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msglen"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x20"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "teid"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "field",
+                        "value" : ["scalars", "tmp_7"]
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffffffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_2"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_4"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
             }
           ],
           "transitions" : [
@@ -1163,6 +1701,14 @@
             {
               "type" : "field",
               "value" : ["udp", "dport"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_2"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_4"]
             }
           ]
         },
@@ -1200,7 +1746,7 @@
       "id" : 0,
       "source_info" : {
         "filename" : "include/parser.p4",
-        "line" : 283,
+        "line" : 285,
         "column" : 8,
         "source_fragment" : "FabricDeparser"
       },
@@ -1690,7 +2236,7 @@
           ],
           "source_info" : {
             "filename" : "include/control/../header.p4",
-            "line" : 162,
+            "line" : 163,
             "column" : 36,
             "source_fragment" : "2w0x0; ..."
           }
@@ -1796,7 +2342,7 @@
           ],
           "source_info" : {
             "filename" : "include/control/../header.p4",
-            "line" : 164,
+            "line" : 165,
             "column" : 39,
             "source_fragment" : "2w0x2;; ..."
           }
@@ -1860,7 +2406,7 @@
           ],
           "source_info" : {
             "filename" : "include/control/../header.p4",
-            "line" : 164,
+            "line" : 165,
             "column" : 39,
             "source_fragment" : "2w0x2;; ..."
           }
@@ -3033,7 +3579,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             },
             {
               "type" : "expression",
@@ -3069,7 +3615,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             }
           ],
           "source_info" : {
@@ -3091,7 +3637,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             },
             {
               "type" : "expression",
@@ -3127,7 +3673,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             }
           ],
           "source_info" : {
@@ -3194,7 +3740,7 @@
           ],
           "source_info" : {
             "filename" : "include/control/../header.p4",
-            "line" : 163,
+            "line" : 164,
             "column" : 37,
             "source_fragment" : "2w0x1; ..."
           }
diff --git a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-full/bmv2/default/bmv2.json b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-full/bmv2/default/bmv2.json
index 1c1b0fe..62424cc 100644
--- a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-full/bmv2/default/bmv2.json
+++ b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-full/bmv2/default/bmv2.json
@@ -5,14 +5,17 @@
       "id" : 0,
       "fields" : [
         ["tmp_0", 1, false],
-        ["tmp_2", 32, false],
+        ["tmp_2", 3, false],
+        ["tmp_4", 8, false],
+        ["tmp_8", 32, false],
         ["last_ipv4_dscp_0", 6, false],
         ["tmp_1", 16, false],
         ["tmp_3", 16, false],
         ["tmp_5", 4, false],
         ["tmp_6", 16, false],
-        ["tmp_4", 32, false],
-        ["tmp_7", 32, false],
+        ["tmp_7", 64, false],
+        ["tmp_9", 32, false],
+        ["tmp_10", 32, false],
         ["bng_ingress_upstream_hasReturned", 1, false],
         ["key_0", 64, false],
         ["process_int_main_process_int_transit_hasReturned", 1, false],
@@ -66,7 +69,7 @@
         ["userMetadata._int_meta_new_bytes47", 16, false],
         ["userMetadata._int_meta_ig_tstamp48", 32, false],
         ["userMetadata._int_meta_eg_tstamp49", 32, false],
-        ["_padding_0", 5, false]
+        ["_padding_0", 2, false]
       ]
     },
     {
@@ -79,9 +82,24 @@
       ]
     },
     {
-      "name" : "standard_metadata",
+      "name" : "gtpu_t",
       "id" : 2,
       "fields" : [
+        ["version", 3, false],
+        ["pt", 1, false],
+        ["spare", 1, false],
+        ["ex_flag", 1, false],
+        ["seq_flag", 1, false],
+        ["npdu_flag", 1, false],
+        ["msgtype", 8, false],
+        ["msglen", 16, false],
+        ["teid", 32, false]
+      ]
+    },
+    {
+      "name" : "standard_metadata",
+      "id" : 3,
+      "fields" : [
         ["ingress_port", 9, false],
         ["egress_spec", 9, false],
         ["egress_port", 9, false],
@@ -103,7 +121,7 @@
     },
     {
       "name" : "ethernet_t",
-      "id" : 3,
+      "id" : 4,
       "fields" : [
         ["dst_addr", 48, false],
         ["src_addr", 48, false]
@@ -111,7 +129,7 @@
     },
     {
       "name" : "vlan_tag_t",
-      "id" : 4,
+      "id" : 5,
       "fields" : [
         ["eth_type", 16, false],
         ["pri", 3, false],
@@ -121,14 +139,14 @@
     },
     {
       "name" : "eth_type_t",
-      "id" : 5,
+      "id" : 6,
       "fields" : [
         ["value", 16, false]
       ]
     },
     {
       "name" : "pppoe_t",
-      "id" : 6,
+      "id" : 7,
       "fields" : [
         ["version", 4, false],
         ["type_id", 4, false],
@@ -140,7 +158,7 @@
     },
     {
       "name" : "mpls_t",
-      "id" : 7,
+      "id" : 8,
       "fields" : [
         ["label", 20, false],
         ["tc", 3, false],
@@ -150,7 +168,7 @@
     },
     {
       "name" : "ipv4_t",
-      "id" : 8,
+      "id" : 9,
       "fields" : [
         ["version", 4, false],
         ["ihl", 4, false],
@@ -169,7 +187,7 @@
     },
     {
       "name" : "udp_t",
-      "id" : 9,
+      "id" : 10,
       "fields" : [
         ["sport", 16, false],
         ["dport", 16, false],
@@ -178,21 +196,6 @@
       ]
     },
     {
-      "name" : "gtpu_t",
-      "id" : 10,
-      "fields" : [
-        ["version", 3, false],
-        ["pt", 1, false],
-        ["spare", 1, false],
-        ["ex_flag", 1, false],
-        ["seq_flag", 1, false],
-        ["npdu_flag", 1, false],
-        ["msgtype", 8, false],
-        ["msglen", 16, false],
-        ["teid", 32, false]
-      ]
-    },
-    {
       "name" : "tcp_t",
       "id" : 11,
       "fields" : [
@@ -374,281 +377,288 @@
       "pi_omit" : true
     },
     {
-      "name" : "scalars",
+      "name" : "gtpu_0",
       "id" : 1,
+      "header_type" : "gtpu_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "scalars",
+      "id" : 2,
       "header_type" : "scalars_0",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "standard_metadata",
-      "id" : 2,
+      "id" : 3,
       "header_type" : "standard_metadata",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "ethernet",
-      "id" : 3,
+      "id" : 4,
       "header_type" : "ethernet_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "vlan_tag",
-      "id" : 4,
-      "header_type" : "vlan_tag_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "inner_vlan_tag",
       "id" : 5,
       "header_type" : "vlan_tag_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
-      "name" : "eth_type",
+      "name" : "inner_vlan_tag",
       "id" : 6,
+      "header_type" : "vlan_tag_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "eth_type",
+      "id" : 7,
       "header_type" : "eth_type_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "pppoe",
-      "id" : 7,
+      "id" : 8,
       "header_type" : "pppoe_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "mpls",
-      "id" : 8,
+      "id" : 9,
       "header_type" : "mpls_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "gtpu_ipv4",
-      "id" : 9,
+      "id" : 10,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "gtpu_udp",
-      "id" : 10,
+      "id" : 11,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "outer_gtpu",
-      "id" : 11,
-      "header_type" : "gtpu_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "gtpu",
       "id" : 12,
       "header_type" : "gtpu_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
-      "name" : "inner_ipv4",
+      "name" : "gtpu",
       "id" : 13,
+      "header_type" : "gtpu_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "inner_ipv4",
+      "id" : 14,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "inner_udp",
-      "id" : 14,
+      "id" : 15,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "inner_tcp",
-      "id" : 15,
+      "id" : 16,
       "header_type" : "tcp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "inner_icmp",
-      "id" : 16,
+      "id" : 17,
       "header_type" : "icmp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "ipv4",
-      "id" : 17,
+      "id" : 18,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "ipv6",
-      "id" : 18,
+      "id" : 19,
       "header_type" : "ipv6_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "tcp",
-      "id" : 19,
+      "id" : 20,
       "header_type" : "tcp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "udp",
-      "id" : 20,
+      "id" : 21,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "icmp",
-      "id" : 21,
+      "id" : 22,
       "header_type" : "icmp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_out",
-      "id" : 22,
+      "id" : 23,
       "header_type" : "packet_out_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_in",
-      "id" : 23,
+      "id" : 24,
       "header_type" : "packet_in_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "report_ethernet",
-      "id" : 24,
+      "id" : 25,
       "header_type" : "ethernet_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "report_eth_type",
-      "id" : 25,
+      "id" : 26,
       "header_type" : "eth_type_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "report_ipv4",
-      "id" : 26,
+      "id" : 27,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "report_udp",
-      "id" : 27,
+      "id" : 28,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "report_fixed_header",
-      "id" : 28,
+      "id" : 29,
       "header_type" : "report_fixed_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "intl4_shim",
-      "id" : 29,
+      "id" : 30,
       "header_type" : "intl4_shim_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_header",
-      "id" : 30,
+      "id" : 31,
       "header_type" : "int_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_switch_id",
-      "id" : 31,
+      "id" : 32,
       "header_type" : "int_switch_id_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_port_ids",
-      "id" : 32,
+      "id" : 33,
       "header_type" : "int_port_ids_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_hop_latency",
-      "id" : 33,
+      "id" : 34,
       "header_type" : "int_hop_latency_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_q_occupancy",
-      "id" : 34,
+      "id" : 35,
       "header_type" : "int_q_occupancy_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_ingress_tstamp",
-      "id" : 35,
+      "id" : 36,
       "header_type" : "int_ingress_tstamp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_egress_tstamp",
-      "id" : 36,
+      "id" : 37,
       "header_type" : "int_egress_tstamp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_q_congestion",
-      "id" : 37,
+      "id" : 38,
       "header_type" : "int_q_congestion_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_egress_tx_util",
-      "id" : 38,
+      "id" : 39,
       "header_type" : "int_egress_port_tx_util_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_data",
-      "id" : 39,
+      "id" : 40,
       "header_type" : "int_data_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "intl4_tail",
-      "id" : 40,
+      "id" : 41,
       "header_type" : "intl4_tail_t",
       "metadata" : false,
       "pi_omit" : true
@@ -1642,12 +1652,525 @@
                 }
               ],
               "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_7"]
+                },
+                {
+                  "type" : "lookahead",
+                  "value" : [0, 64]
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "parameters" : [
+                    {
+                      "type" : "header",
+                      "value" : "gtpu_0"
+                    }
+                  ],
+                  "op" : "add_header"
+                }
+              ],
+              "op" : "primitive"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "version"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "pt"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3c"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "spare"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3b"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "ex_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3a"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "seq_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x39"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "npdu_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x38"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msgtype"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msglen"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x20"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "teid"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "field",
+                        "value" : ["scalars", "tmp_7"]
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffffffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_2"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_4"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
             }
           ],
           "transitions" : [
             {
               "type" : "hexstr",
-              "value" : "0x0868",
+              "value" : "0x086801ff",
               "mask" : null,
               "next_state" : "parse_gtpu"
             },
@@ -1662,6 +2185,14 @@
             {
               "type" : "field",
               "value" : ["udp", "dport"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_2"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_4"]
             }
           ]
         },
@@ -1885,7 +2416,7 @@
               "parameters" : [
                 {
                   "type" : "field",
-                  "value" : ["scalars", "tmp_2"]
+                  "value" : ["scalars", "tmp_8"]
                 },
                 {
                   "type" : "expression",
@@ -1957,7 +2488,7 @@
                   "type" : "expression",
                   "value" : {
                     "type" : "field",
-                    "value" : ["scalars", "tmp_2"]
+                    "value" : ["scalars", "tmp_8"]
                   }
                 }
               ],
@@ -2008,7 +2539,7 @@
       "id" : 0,
       "source_info" : {
         "filename" : "include/parser.p4",
-        "line" : 283,
+        "line" : 285,
         "column" : 8,
         "source_fragment" : "FabricDeparser"
       },
@@ -2769,7 +3300,7 @@
           ],
           "source_info" : {
             "filename" : "include/control/../header.p4",
-            "line" : 162,
+            "line" : 163,
             "column" : 36,
             "source_fragment" : "2w0x0; ..."
           }
@@ -2810,7 +3341,7 @@
           ],
           "source_info" : {
             "filename" : "include/control/../header.p4",
-            "line" : 162,
+            "line" : 163,
             "column" : 36,
             "source_fragment" : "2w0x0; ..."
           }
@@ -2976,7 +3507,7 @@
           ],
           "source_info" : {
             "filename" : "include/control/../header.p4",
-            "line" : 164,
+            "line" : 165,
             "column" : 39,
             "source_fragment" : "2w0x2;; ..."
           }
@@ -3040,7 +3571,7 @@
           ],
           "source_info" : {
             "filename" : "include/control/../header.p4",
-            "line" : 164,
+            "line" : 165,
             "column" : 39,
             "source_fragment" : "2w0x2;; ..."
           }
@@ -7565,7 +8096,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             },
             {
               "type" : "expression",
@@ -7601,7 +8132,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             }
           ],
           "source_info" : {
@@ -7623,7 +8154,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_7"]
+              "value" : ["scalars", "tmp_10"]
             },
             {
               "type" : "expression",
@@ -7659,7 +8190,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_7"]
+              "value" : ["scalars", "tmp_10"]
             }
           ],
           "source_info" : {
@@ -7752,7 +8283,7 @@
           ],
           "source_info" : {
             "filename" : "include/control/../header.p4",
-            "line" : 163,
+            "line" : 164,
             "column" : 37,
             "source_fragment" : "2w0x1; ..."
           }
diff --git a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-int/bmv2/default/bmv2.json b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-int/bmv2/default/bmv2.json
index 6b7a209..3017ba0 100644
--- a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-int/bmv2/default/bmv2.json
+++ b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-int/bmv2/default/bmv2.json
@@ -5,13 +5,16 @@
       "id" : 0,
       "fields" : [
         ["tmp_0", 1, false],
+        ["tmp_2", 3, false],
+        ["tmp_4", 8, false],
         ["last_ipv4_dscp_0", 6, false],
         ["tmp_1", 16, false],
         ["tmp_3", 16, false],
         ["tmp_5", 4, false],
         ["tmp_6", 16, false],
-        ["tmp_2", 32, false],
-        ["tmp_4", 32, false],
+        ["tmp_7", 64, false],
+        ["tmp_8", 32, false],
+        ["tmp_9", 32, false],
         ["process_int_main_process_int_transit_hasReturned", 1, false],
         ["userMetadata._ip_eth_type0", 16, false],
         ["userMetadata._vlan_id1", 12, false],
@@ -38,7 +41,7 @@
         ["userMetadata._int_meta_new_bytes22", 16, false],
         ["userMetadata._int_meta_ig_tstamp23", 32, false],
         ["userMetadata._int_meta_eg_tstamp24", 32, false],
-        ["_padding_0", 6, false]
+        ["_padding_0", 3, false]
       ]
     },
     {
@@ -51,9 +54,24 @@
       ]
     },
     {
-      "name" : "standard_metadata",
+      "name" : "gtpu_t",
       "id" : 2,
       "fields" : [
+        ["version", 3, false],
+        ["pt", 1, false],
+        ["spare", 1, false],
+        ["ex_flag", 1, false],
+        ["seq_flag", 1, false],
+        ["npdu_flag", 1, false],
+        ["msgtype", 8, false],
+        ["msglen", 16, false],
+        ["teid", 32, false]
+      ]
+    },
+    {
+      "name" : "standard_metadata",
+      "id" : 3,
+      "fields" : [
         ["ingress_port", 9, false],
         ["egress_spec", 9, false],
         ["egress_port", 9, false],
@@ -75,7 +93,7 @@
     },
     {
       "name" : "ethernet_t",
-      "id" : 3,
+      "id" : 4,
       "fields" : [
         ["dst_addr", 48, false],
         ["src_addr", 48, false]
@@ -83,7 +101,7 @@
     },
     {
       "name" : "vlan_tag_t",
-      "id" : 4,
+      "id" : 5,
       "fields" : [
         ["eth_type", 16, false],
         ["pri", 3, false],
@@ -93,14 +111,14 @@
     },
     {
       "name" : "eth_type_t",
-      "id" : 5,
+      "id" : 6,
       "fields" : [
         ["value", 16, false]
       ]
     },
     {
       "name" : "mpls_t",
-      "id" : 6,
+      "id" : 7,
       "fields" : [
         ["label", 20, false],
         ["tc", 3, false],
@@ -110,7 +128,7 @@
     },
     {
       "name" : "ipv4_t",
-      "id" : 7,
+      "id" : 8,
       "fields" : [
         ["version", 4, false],
         ["ihl", 4, false],
@@ -129,7 +147,7 @@
     },
     {
       "name" : "tcp_t",
-      "id" : 8,
+      "id" : 9,
       "fields" : [
         ["sport", 16, false],
         ["dport", 16, false],
@@ -146,7 +164,7 @@
     },
     {
       "name" : "udp_t",
-      "id" : 9,
+      "id" : 10,
       "fields" : [
         ["sport", 16, false],
         ["dport", 16, false],
@@ -156,7 +174,7 @@
     },
     {
       "name" : "icmp_t",
-      "id" : 10,
+      "id" : 11,
       "fields" : [
         ["icmp_type", 8, false],
         ["icmp_code", 8, false],
@@ -168,7 +186,7 @@
     },
     {
       "name" : "packet_in_header_t",
-      "id" : 11,
+      "id" : 12,
       "fields" : [
         ["ingress_port", 9, false],
         ["_pad", 7, false]
@@ -176,7 +194,7 @@
     },
     {
       "name" : "intl4_shim_t",
-      "id" : 12,
+      "id" : 13,
       "fields" : [
         ["int_type", 8, false],
         ["rsvd1", 8, false],
@@ -186,7 +204,7 @@
     },
     {
       "name" : "int_header_t",
-      "id" : 13,
+      "id" : 14,
       "fields" : [
         ["ver", 2, false],
         ["rep", 2, false],
@@ -205,14 +223,14 @@
     },
     {
       "name" : "int_switch_id_t",
-      "id" : 14,
+      "id" : 15,
       "fields" : [
         ["switch_id", 32, false]
       ]
     },
     {
       "name" : "int_port_ids_t",
-      "id" : 15,
+      "id" : 16,
       "fields" : [
         ["ingress_port_id", 16, false],
         ["egress_port_id", 16, false]
@@ -220,14 +238,14 @@
     },
     {
       "name" : "int_hop_latency_t",
-      "id" : 16,
+      "id" : 17,
       "fields" : [
         ["hop_latency", 32, false]
       ]
     },
     {
       "name" : "int_q_occupancy_t",
-      "id" : 17,
+      "id" : 18,
       "fields" : [
         ["q_id", 8, false],
         ["q_occupancy", 24, false]
@@ -235,21 +253,21 @@
     },
     {
       "name" : "int_ingress_tstamp_t",
-      "id" : 18,
+      "id" : 19,
       "fields" : [
         ["ingress_tstamp", 32, false]
       ]
     },
     {
       "name" : "int_egress_tstamp_t",
-      "id" : 19,
+      "id" : 20,
       "fields" : [
         ["egress_tstamp", 32, false]
       ]
     },
     {
       "name" : "int_q_congestion_t",
-      "id" : 20,
+      "id" : 21,
       "fields" : [
         ["q_id", 8, false],
         ["q_congestion", 24, false]
@@ -257,14 +275,14 @@
     },
     {
       "name" : "int_egress_port_tx_util_t",
-      "id" : 21,
+      "id" : 22,
       "fields" : [
         ["egress_port_tx_util", 32, false]
       ]
     },
     {
       "name" : "intl4_tail_t",
-      "id" : 22,
+      "id" : 23,
       "fields" : [
         ["next_proto", 8, false],
         ["dest_port", 16, false],
@@ -282,169 +300,176 @@
       "pi_omit" : true
     },
     {
-      "name" : "scalars",
+      "name" : "gtpu_0",
       "id" : 1,
+      "header_type" : "gtpu_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "scalars",
+      "id" : 2,
       "header_type" : "scalars_0",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "standard_metadata",
-      "id" : 2,
+      "id" : 3,
       "header_type" : "standard_metadata",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "ethernet",
-      "id" : 3,
+      "id" : 4,
       "header_type" : "ethernet_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "vlan_tag",
-      "id" : 4,
-      "header_type" : "vlan_tag_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "inner_vlan_tag",
       "id" : 5,
       "header_type" : "vlan_tag_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
-      "name" : "eth_type",
+      "name" : "inner_vlan_tag",
       "id" : 6,
+      "header_type" : "vlan_tag_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "eth_type",
+      "id" : 7,
       "header_type" : "eth_type_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "mpls",
-      "id" : 7,
+      "id" : 8,
       "header_type" : "mpls_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "ipv4",
-      "id" : 8,
+      "id" : 9,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "tcp",
-      "id" : 9,
+      "id" : 10,
       "header_type" : "tcp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "udp",
-      "id" : 10,
+      "id" : 11,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "icmp",
-      "id" : 11,
+      "id" : 12,
       "header_type" : "icmp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_out",
-      "id" : 12,
+      "id" : 13,
       "header_type" : "packet_out_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_in",
-      "id" : 13,
+      "id" : 14,
       "header_type" : "packet_in_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "intl4_shim",
-      "id" : 14,
+      "id" : 15,
       "header_type" : "intl4_shim_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_header",
-      "id" : 15,
+      "id" : 16,
       "header_type" : "int_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_switch_id",
-      "id" : 16,
+      "id" : 17,
       "header_type" : "int_switch_id_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_port_ids",
-      "id" : 17,
+      "id" : 18,
       "header_type" : "int_port_ids_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_hop_latency",
-      "id" : 18,
+      "id" : 19,
       "header_type" : "int_hop_latency_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_q_occupancy",
-      "id" : 19,
+      "id" : 20,
       "header_type" : "int_q_occupancy_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_ingress_tstamp",
-      "id" : 20,
+      "id" : 21,
       "header_type" : "int_ingress_tstamp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_egress_tstamp",
-      "id" : 21,
+      "id" : 22,
       "header_type" : "int_egress_tstamp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_q_congestion",
-      "id" : 22,
+      "id" : 23,
       "header_type" : "int_q_congestion_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_egress_tx_util",
-      "id" : 23,
+      "id" : 24,
       "header_type" : "int_egress_port_tx_util_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "intl4_tail",
-      "id" : 24,
+      "id" : 25,
       "header_type" : "intl4_tail_t",
       "metadata" : false,
       "pi_omit" : true
@@ -1238,6 +1263,519 @@
                 }
               ],
               "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_7"]
+                },
+                {
+                  "type" : "lookahead",
+                  "value" : [0, 64]
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "parameters" : [
+                    {
+                      "type" : "header",
+                      "value" : "gtpu_0"
+                    }
+                  ],
+                  "op" : "add_header"
+                }
+              ],
+              "op" : "primitive"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "version"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "pt"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3c"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "spare"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3b"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "ex_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3a"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "seq_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x39"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "npdu_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x38"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msgtype"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msglen"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x20"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "teid"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "field",
+                        "value" : ["scalars", "tmp_7"]
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffffffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_2"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_4"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
             }
           ],
           "transitions" : [
@@ -1252,6 +1790,14 @@
             {
               "type" : "field",
               "value" : ["udp", "dport"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_2"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_4"]
             }
           ]
         },
@@ -1396,7 +1942,7 @@
       "id" : 0,
       "source_info" : {
         "filename" : "include/parser.p4",
-        "line" : 283,
+        "line" : 285,
         "column" : 8,
         "source_fragment" : "FabricDeparser"
       },
@@ -2752,7 +3298,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             },
             {
               "type" : "expression",
@@ -2788,7 +3334,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             }
           ],
           "source_info" : {
@@ -2810,7 +3356,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             },
             {
               "type" : "expression",
@@ -2846,7 +3392,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             }
           ],
           "source_info" : {
diff --git a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-spgw-int/bmv2/default/bmv2.json b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-spgw-int/bmv2/default/bmv2.json
index 800a3c5..3595fd9 100644
--- a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-spgw-int/bmv2/default/bmv2.json
+++ b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-spgw-int/bmv2/default/bmv2.json
@@ -5,13 +5,16 @@
       "id" : 0,
       "fields" : [
         ["tmp_0", 1, false],
+        ["tmp_2", 3, false],
+        ["tmp_4", 8, false],
         ["last_ipv4_dscp_0", 6, false],
         ["tmp_1", 16, false],
         ["tmp_3", 16, false],
         ["tmp_5", 4, false],
         ["tmp_6", 16, false],
-        ["tmp_2", 32, false],
-        ["tmp_4", 32, false],
+        ["tmp_7", 64, false],
+        ["tmp_8", 32, false],
+        ["tmp_9", 32, false],
         ["process_int_main_process_int_transit_hasReturned", 1, false],
         ["userMetadata._ip_eth_type0", 16, false],
         ["userMetadata._vlan_id1", 12, false],
@@ -53,7 +56,7 @@
         ["userMetadata._int_meta_new_bytes37", 16, false],
         ["userMetadata._int_meta_ig_tstamp38", 32, false],
         ["userMetadata._int_meta_eg_tstamp39", 32, false],
-        ["_padding_0", 1, false]
+        ["_padding_0", 6, false]
       ]
     },
     {
@@ -66,9 +69,24 @@
       ]
     },
     {
-      "name" : "standard_metadata",
+      "name" : "gtpu_t",
       "id" : 2,
       "fields" : [
+        ["version", 3, false],
+        ["pt", 1, false],
+        ["spare", 1, false],
+        ["ex_flag", 1, false],
+        ["seq_flag", 1, false],
+        ["npdu_flag", 1, false],
+        ["msgtype", 8, false],
+        ["msglen", 16, false],
+        ["teid", 32, false]
+      ]
+    },
+    {
+      "name" : "standard_metadata",
+      "id" : 3,
+      "fields" : [
         ["ingress_port", 9, false],
         ["egress_spec", 9, false],
         ["egress_port", 9, false],
@@ -90,7 +108,7 @@
     },
     {
       "name" : "ethernet_t",
-      "id" : 3,
+      "id" : 4,
       "fields" : [
         ["dst_addr", 48, false],
         ["src_addr", 48, false]
@@ -98,7 +116,7 @@
     },
     {
       "name" : "vlan_tag_t",
-      "id" : 4,
+      "id" : 5,
       "fields" : [
         ["eth_type", 16, false],
         ["pri", 3, false],
@@ -108,14 +126,14 @@
     },
     {
       "name" : "eth_type_t",
-      "id" : 5,
+      "id" : 6,
       "fields" : [
         ["value", 16, false]
       ]
     },
     {
       "name" : "mpls_t",
-      "id" : 6,
+      "id" : 7,
       "fields" : [
         ["label", 20, false],
         ["tc", 3, false],
@@ -125,7 +143,7 @@
     },
     {
       "name" : "ipv4_t",
-      "id" : 7,
+      "id" : 8,
       "fields" : [
         ["version", 4, false],
         ["ihl", 4, false],
@@ -144,7 +162,7 @@
     },
     {
       "name" : "udp_t",
-      "id" : 8,
+      "id" : 9,
       "fields" : [
         ["sport", 16, false],
         ["dport", 16, false],
@@ -153,21 +171,6 @@
       ]
     },
     {
-      "name" : "gtpu_t",
-      "id" : 9,
-      "fields" : [
-        ["version", 3, false],
-        ["pt", 1, false],
-        ["spare", 1, false],
-        ["ex_flag", 1, false],
-        ["seq_flag", 1, false],
-        ["npdu_flag", 1, false],
-        ["msgtype", 8, false],
-        ["msglen", 16, false],
-        ["teid", 32, false]
-      ]
-    },
-    {
       "name" : "tcp_t",
       "id" : 10,
       "fields" : [
@@ -312,225 +315,232 @@
       "pi_omit" : true
     },
     {
-      "name" : "scalars",
+      "name" : "gtpu_0",
       "id" : 1,
+      "header_type" : "gtpu_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "scalars",
+      "id" : 2,
       "header_type" : "scalars_0",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "standard_metadata",
-      "id" : 2,
+      "id" : 3,
       "header_type" : "standard_metadata",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "ethernet",
-      "id" : 3,
+      "id" : 4,
       "header_type" : "ethernet_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "vlan_tag",
-      "id" : 4,
-      "header_type" : "vlan_tag_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "inner_vlan_tag",
       "id" : 5,
       "header_type" : "vlan_tag_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
-      "name" : "eth_type",
+      "name" : "inner_vlan_tag",
       "id" : 6,
+      "header_type" : "vlan_tag_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "eth_type",
+      "id" : 7,
       "header_type" : "eth_type_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "mpls",
-      "id" : 7,
+      "id" : 8,
       "header_type" : "mpls_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "gtpu_ipv4",
-      "id" : 8,
+      "id" : 9,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "gtpu_udp",
-      "id" : 9,
+      "id" : 10,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "outer_gtpu",
-      "id" : 10,
-      "header_type" : "gtpu_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "gtpu",
       "id" : 11,
       "header_type" : "gtpu_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
-      "name" : "inner_ipv4",
+      "name" : "gtpu",
       "id" : 12,
+      "header_type" : "gtpu_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "inner_ipv4",
+      "id" : 13,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "inner_udp",
-      "id" : 13,
+      "id" : 14,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "inner_tcp",
-      "id" : 14,
+      "id" : 15,
       "header_type" : "tcp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "inner_icmp",
-      "id" : 15,
+      "id" : 16,
       "header_type" : "icmp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "ipv4",
-      "id" : 16,
+      "id" : 17,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "tcp",
-      "id" : 17,
+      "id" : 18,
       "header_type" : "tcp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "udp",
-      "id" : 18,
+      "id" : 19,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "icmp",
-      "id" : 19,
+      "id" : 20,
       "header_type" : "icmp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_out",
-      "id" : 20,
+      "id" : 21,
       "header_type" : "packet_out_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_in",
-      "id" : 21,
+      "id" : 22,
       "header_type" : "packet_in_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "intl4_shim",
-      "id" : 22,
+      "id" : 23,
       "header_type" : "intl4_shim_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_header",
-      "id" : 23,
+      "id" : 24,
       "header_type" : "int_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_switch_id",
-      "id" : 24,
+      "id" : 25,
       "header_type" : "int_switch_id_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_port_ids",
-      "id" : 25,
+      "id" : 26,
       "header_type" : "int_port_ids_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_hop_latency",
-      "id" : 26,
+      "id" : 27,
       "header_type" : "int_hop_latency_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_q_occupancy",
-      "id" : 27,
+      "id" : 28,
       "header_type" : "int_q_occupancy_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_ingress_tstamp",
-      "id" : 28,
+      "id" : 29,
       "header_type" : "int_ingress_tstamp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_egress_tstamp",
-      "id" : 29,
+      "id" : 30,
       "header_type" : "int_egress_tstamp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_q_congestion",
-      "id" : 30,
+      "id" : 31,
       "header_type" : "int_q_congestion_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "int_egress_tx_util",
-      "id" : 31,
+      "id" : 32,
       "header_type" : "int_egress_port_tx_util_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "intl4_tail",
-      "id" : 32,
+      "id" : 33,
       "header_type" : "intl4_tail_t",
       "metadata" : false,
       "pi_omit" : true
@@ -1324,12 +1334,525 @@
                 }
               ],
               "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_7"]
+                },
+                {
+                  "type" : "lookahead",
+                  "value" : [0, 64]
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "parameters" : [
+                    {
+                      "type" : "header",
+                      "value" : "gtpu_0"
+                    }
+                  ],
+                  "op" : "add_header"
+                }
+              ],
+              "op" : "primitive"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "version"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "pt"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3c"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "spare"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3b"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "ex_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3a"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "seq_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x39"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "npdu_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x38"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msgtype"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msglen"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x20"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "teid"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "field",
+                        "value" : ["scalars", "tmp_7"]
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffffffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_2"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_4"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
             }
           ],
           "transitions" : [
             {
               "type" : "hexstr",
-              "value" : "0x0868",
+              "value" : "0x086801ff",
               "mask" : null,
               "next_state" : "parse_gtpu"
             },
@@ -1344,6 +1867,14 @@
             {
               "type" : "field",
               "value" : ["udp", "dport"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_2"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_4"]
             }
           ]
         },
@@ -1607,7 +2138,7 @@
       "id" : 0,
       "source_info" : {
         "filename" : "include/parser.p4",
-        "line" : 283,
+        "line" : 285,
         "column" : 8,
         "source_fragment" : "FabricDeparser"
       },
@@ -6099,7 +6630,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             },
             {
               "type" : "expression",
@@ -6135,7 +6666,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             }
           ],
           "source_info" : {
@@ -6157,7 +6688,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             },
             {
               "type" : "expression",
@@ -6193,7 +6724,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             }
           ],
           "source_info" : {
diff --git a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-spgw/bmv2/default/bmv2.json b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-spgw/bmv2/default/bmv2.json
index 3150ab0a..df6af4c 100644
--- a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-spgw/bmv2/default/bmv2.json
+++ b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric-spgw/bmv2/default/bmv2.json
@@ -5,12 +5,15 @@
       "id" : 0,
       "fields" : [
         ["tmp_0", 1, false],
+        ["tmp_2", 3, false],
+        ["tmp_4", 8, false],
         ["tmp_1", 16, false],
         ["tmp_3", 16, false],
         ["tmp_5", 4, false],
         ["tmp_6", 16, false],
-        ["tmp_2", 32, false],
-        ["tmp_4", 32, false],
+        ["tmp_7", 64, false],
+        ["tmp_8", 32, false],
+        ["tmp_9", 32, false],
         ["userMetadata._ip_eth_type0", 16, false],
         ["userMetadata._vlan_id1", 12, false],
         ["userMetadata._vlan_pri2", 3, false],
@@ -42,8 +45,7 @@
         ["userMetadata._spgw_notify_spgwc28", 1, false],
         ["userMetadata._spgw_needs_gtpu_encap29", 1, false],
         ["userMetadata._spgw_needs_gtpu_decap30", 1, false],
-        ["userMetadata._spgw_skip_egress_pdr_ctr31", 1, false],
-        ["_padding_0", 3, false]
+        ["userMetadata._spgw_skip_egress_pdr_ctr31", 1, false]
       ]
     },
     {
@@ -56,9 +58,24 @@
       ]
     },
     {
-      "name" : "standard_metadata",
+      "name" : "gtpu_t",
       "id" : 2,
       "fields" : [
+        ["version", 3, false],
+        ["pt", 1, false],
+        ["spare", 1, false],
+        ["ex_flag", 1, false],
+        ["seq_flag", 1, false],
+        ["npdu_flag", 1, false],
+        ["msgtype", 8, false],
+        ["msglen", 16, false],
+        ["teid", 32, false]
+      ]
+    },
+    {
+      "name" : "standard_metadata",
+      "id" : 3,
+      "fields" : [
         ["ingress_port", 9, false],
         ["egress_spec", 9, false],
         ["egress_port", 9, false],
@@ -80,7 +97,7 @@
     },
     {
       "name" : "ethernet_t",
-      "id" : 3,
+      "id" : 4,
       "fields" : [
         ["dst_addr", 48, false],
         ["src_addr", 48, false]
@@ -88,7 +105,7 @@
     },
     {
       "name" : "vlan_tag_t",
-      "id" : 4,
+      "id" : 5,
       "fields" : [
         ["eth_type", 16, false],
         ["pri", 3, false],
@@ -98,14 +115,14 @@
     },
     {
       "name" : "eth_type_t",
-      "id" : 5,
+      "id" : 6,
       "fields" : [
         ["value", 16, false]
       ]
     },
     {
       "name" : "mpls_t",
-      "id" : 6,
+      "id" : 7,
       "fields" : [
         ["label", 20, false],
         ["tc", 3, false],
@@ -115,7 +132,7 @@
     },
     {
       "name" : "ipv4_t",
-      "id" : 7,
+      "id" : 8,
       "fields" : [
         ["version", 4, false],
         ["ihl", 4, false],
@@ -134,7 +151,7 @@
     },
     {
       "name" : "udp_t",
-      "id" : 8,
+      "id" : 9,
       "fields" : [
         ["sport", 16, false],
         ["dport", 16, false],
@@ -143,21 +160,6 @@
       ]
     },
     {
-      "name" : "gtpu_t",
-      "id" : 9,
-      "fields" : [
-        ["version", 3, false],
-        ["pt", 1, false],
-        ["spare", 1, false],
-        ["ex_flag", 1, false],
-        ["seq_flag", 1, false],
-        ["npdu_flag", 1, false],
-        ["msgtype", 8, false],
-        ["msglen", 16, false],
-        ["teid", 32, false]
-      ]
-    },
-    {
       "name" : "tcp_t",
       "id" : 10,
       "fields" : [
@@ -204,148 +206,155 @@
       "pi_omit" : true
     },
     {
-      "name" : "scalars",
+      "name" : "gtpu_0",
       "id" : 1,
+      "header_type" : "gtpu_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "scalars",
+      "id" : 2,
       "header_type" : "scalars_0",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "standard_metadata",
-      "id" : 2,
+      "id" : 3,
       "header_type" : "standard_metadata",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "ethernet",
-      "id" : 3,
+      "id" : 4,
       "header_type" : "ethernet_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "vlan_tag",
-      "id" : 4,
-      "header_type" : "vlan_tag_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "inner_vlan_tag",
       "id" : 5,
       "header_type" : "vlan_tag_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
-      "name" : "eth_type",
+      "name" : "inner_vlan_tag",
       "id" : 6,
+      "header_type" : "vlan_tag_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "eth_type",
+      "id" : 7,
       "header_type" : "eth_type_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "mpls",
-      "id" : 7,
+      "id" : 8,
       "header_type" : "mpls_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "gtpu_ipv4",
-      "id" : 8,
+      "id" : 9,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "gtpu_udp",
-      "id" : 9,
+      "id" : 10,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "outer_gtpu",
-      "id" : 10,
-      "header_type" : "gtpu_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "gtpu",
       "id" : 11,
       "header_type" : "gtpu_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
-      "name" : "inner_ipv4",
+      "name" : "gtpu",
       "id" : 12,
+      "header_type" : "gtpu_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "inner_ipv4",
+      "id" : 13,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "inner_udp",
-      "id" : 13,
+      "id" : 14,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "inner_tcp",
-      "id" : 14,
+      "id" : 15,
       "header_type" : "tcp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "inner_icmp",
-      "id" : 15,
+      "id" : 16,
       "header_type" : "icmp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "ipv4",
-      "id" : 16,
+      "id" : 17,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "tcp",
-      "id" : 17,
+      "id" : 18,
       "header_type" : "tcp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "udp",
-      "id" : 18,
+      "id" : 19,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "icmp",
-      "id" : 19,
+      "id" : 20,
       "header_type" : "icmp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_out",
-      "id" : 20,
+      "id" : 21,
       "header_type" : "packet_out_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_in",
-      "id" : 21,
+      "id" : 22,
       "header_type" : "packet_in_header_t",
       "metadata" : false,
       "pi_omit" : true
@@ -1126,12 +1135,525 @@
                 }
               ],
               "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_7"]
+                },
+                {
+                  "type" : "lookahead",
+                  "value" : [0, 64]
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "parameters" : [
+                    {
+                      "type" : "header",
+                      "value" : "gtpu_0"
+                    }
+                  ],
+                  "op" : "add_header"
+                }
+              ],
+              "op" : "primitive"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "version"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "pt"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3c"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "spare"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3b"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "ex_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3a"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "seq_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x39"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "npdu_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x38"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msgtype"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msglen"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x20"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "teid"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "field",
+                        "value" : ["scalars", "tmp_7"]
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffffffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_2"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_4"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
             }
           ],
           "transitions" : [
             {
               "type" : "hexstr",
-              "value" : "0x0868",
+              "value" : "0x086801ff",
               "mask" : null,
               "next_state" : "parse_gtpu"
             },
@@ -1146,6 +1668,14 @@
             {
               "type" : "field",
               "value" : ["udp", "dport"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_2"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_4"]
             }
           ]
         },
@@ -1289,7 +1819,7 @@
       "id" : 0,
       "source_info" : {
         "filename" : "include/parser.p4",
-        "line" : 283,
+        "line" : 285,
         "column" : 8,
         "source_fragment" : "FabricDeparser"
       },
@@ -5715,7 +6245,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             },
             {
               "type" : "expression",
@@ -5751,7 +6281,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             }
           ],
           "source_info" : {
@@ -5773,7 +6303,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             },
             {
               "type" : "expression",
@@ -5809,7 +6339,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             }
           ],
           "source_info" : {
diff --git a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric/bmv2/default/bmv2.json b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric/bmv2/default/bmv2.json
index 43db30e..3c76283 100644
--- a/pipelines/fabric/impl/src/main/resources/p4c-out/fabric/bmv2/default/bmv2.json
+++ b/pipelines/fabric/impl/src/main/resources/p4c-out/fabric/bmv2/default/bmv2.json
@@ -5,12 +5,15 @@
       "id" : 0,
       "fields" : [
         ["tmp_0", 1, false],
+        ["tmp_2", 3, false],
+        ["tmp_4", 8, false],
         ["tmp_1", 16, false],
         ["tmp_3", 16, false],
         ["tmp_5", 4, false],
         ["tmp_6", 16, false],
-        ["tmp_2", 32, false],
-        ["tmp_4", 32, false],
+        ["tmp_7", 64, false],
+        ["tmp_8", 32, false],
+        ["tmp_9", 32, false],
         ["userMetadata.ip_eth_type", 16, false],
         ["userMetadata.vlan_id", 12, false],
         ["userMetadata.vlan_pri", 3, false],
@@ -27,7 +30,8 @@
         ["userMetadata.l4_sport", 16, false],
         ["userMetadata.l4_dport", 16, false],
         ["userMetadata.ipv4_src_addr", 32, false],
-        ["userMetadata.ipv4_dst_addr", 32, false]
+        ["userMetadata.ipv4_dst_addr", 32, false],
+        ["_padding_0", 5, false]
       ]
     },
     {
@@ -40,9 +44,24 @@
       ]
     },
     {
-      "name" : "standard_metadata",
+      "name" : "gtpu_t",
       "id" : 2,
       "fields" : [
+        ["version", 3, false],
+        ["pt", 1, false],
+        ["spare", 1, false],
+        ["ex_flag", 1, false],
+        ["seq_flag", 1, false],
+        ["npdu_flag", 1, false],
+        ["msgtype", 8, false],
+        ["msglen", 16, false],
+        ["teid", 32, false]
+      ]
+    },
+    {
+      "name" : "standard_metadata",
+      "id" : 3,
+      "fields" : [
         ["ingress_port", 9, false],
         ["egress_spec", 9, false],
         ["egress_port", 9, false],
@@ -64,7 +83,7 @@
     },
     {
       "name" : "ethernet_t",
-      "id" : 3,
+      "id" : 4,
       "fields" : [
         ["dst_addr", 48, false],
         ["src_addr", 48, false]
@@ -72,7 +91,7 @@
     },
     {
       "name" : "vlan_tag_t",
-      "id" : 4,
+      "id" : 5,
       "fields" : [
         ["eth_type", 16, false],
         ["pri", 3, false],
@@ -82,14 +101,14 @@
     },
     {
       "name" : "eth_type_t",
-      "id" : 5,
+      "id" : 6,
       "fields" : [
         ["value", 16, false]
       ]
     },
     {
       "name" : "mpls_t",
-      "id" : 6,
+      "id" : 7,
       "fields" : [
         ["label", 20, false],
         ["tc", 3, false],
@@ -99,7 +118,7 @@
     },
     {
       "name" : "ipv4_t",
-      "id" : 7,
+      "id" : 8,
       "fields" : [
         ["version", 4, false],
         ["ihl", 4, false],
@@ -118,7 +137,7 @@
     },
     {
       "name" : "tcp_t",
-      "id" : 8,
+      "id" : 9,
       "fields" : [
         ["sport", 16, false],
         ["dport", 16, false],
@@ -135,7 +154,7 @@
     },
     {
       "name" : "udp_t",
-      "id" : 9,
+      "id" : 10,
       "fields" : [
         ["sport", 16, false],
         ["dport", 16, false],
@@ -145,7 +164,7 @@
     },
     {
       "name" : "icmp_t",
-      "id" : 10,
+      "id" : 11,
       "fields" : [
         ["icmp_type", 8, false],
         ["icmp_code", 8, false],
@@ -157,7 +176,7 @@
     },
     {
       "name" : "packet_in_header_t",
-      "id" : 11,
+      "id" : 12,
       "fields" : [
         ["ingress_port", 9, false],
         ["_pad", 7, false]
@@ -173,92 +192,99 @@
       "pi_omit" : true
     },
     {
-      "name" : "scalars",
+      "name" : "gtpu_0",
       "id" : 1,
+      "header_type" : "gtpu_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "scalars",
+      "id" : 2,
       "header_type" : "scalars_0",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "standard_metadata",
-      "id" : 2,
+      "id" : 3,
       "header_type" : "standard_metadata",
       "metadata" : true,
       "pi_omit" : true
     },
     {
       "name" : "ethernet",
-      "id" : 3,
+      "id" : 4,
       "header_type" : "ethernet_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "vlan_tag",
-      "id" : 4,
-      "header_type" : "vlan_tag_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "inner_vlan_tag",
       "id" : 5,
       "header_type" : "vlan_tag_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
-      "name" : "eth_type",
+      "name" : "inner_vlan_tag",
       "id" : 6,
+      "header_type" : "vlan_tag_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "eth_type",
+      "id" : 7,
       "header_type" : "eth_type_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "mpls",
-      "id" : 7,
+      "id" : 8,
       "header_type" : "mpls_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "ipv4",
-      "id" : 8,
+      "id" : 9,
       "header_type" : "ipv4_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "tcp",
-      "id" : 9,
+      "id" : 10,
       "header_type" : "tcp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "udp",
-      "id" : 10,
+      "id" : 11,
       "header_type" : "udp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "icmp",
-      "id" : 11,
+      "id" : 12,
       "header_type" : "icmp_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_out",
-      "id" : 12,
+      "id" : 13,
       "header_type" : "packet_out_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_in",
-      "id" : 13,
+      "id" : 14,
       "header_type" : "packet_in_header_t",
       "metadata" : false,
       "pi_omit" : true
@@ -1039,6 +1065,519 @@
                 }
               ],
               "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_7"]
+                },
+                {
+                  "type" : "lookahead",
+                  "value" : [0, 64]
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "parameters" : [
+                    {
+                      "type" : "header",
+                      "value" : "gtpu_0"
+                    }
+                  ],
+                  "op" : "add_header"
+                }
+              ],
+              "op" : "primitive"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "version"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "pt"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3c"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "spare"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3b"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "ex_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3a"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "seq_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x39"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "npdu_flag"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x38"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x01"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msgtype"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "msglen"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x20"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["gtpu_0", "teid"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "field",
+                        "value" : ["scalars", "tmp_7"]
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffffffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_2"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x3d"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x07"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp_4"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : ">>",
+                              "left" : {
+                                "type" : "field",
+                                "value" : ["scalars", "tmp_7"]
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x30"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xffffffffffffffff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
             }
           ],
           "transitions" : [
@@ -1053,6 +1592,14 @@
             {
               "type" : "field",
               "value" : ["udp", "dport"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_2"]
+            },
+            {
+              "type" : "field",
+              "value" : ["scalars", "tmp_4"]
             }
           ]
         },
@@ -1090,7 +1637,7 @@
       "id" : 0,
       "source_info" : {
         "filename" : "include/parser.p4",
-        "line" : 283,
+        "line" : 285,
         "column" : 8,
         "source_fragment" : "FabricDeparser"
       },
@@ -2380,7 +2927,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             },
             {
               "type" : "expression",
@@ -2416,7 +2963,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_2"]
+              "value" : ["scalars", "tmp_8"]
             }
           ],
           "source_info" : {
@@ -2438,7 +2985,7 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             },
             {
               "type" : "expression",
@@ -2474,7 +3021,7 @@
             },
             {
               "type" : "field",
-              "value" : ["scalars", "tmp_4"]
+              "value" : ["scalars", "tmp_9"]
             }
           ],
           "source_info" : {
diff --git a/pipelines/fabric/impl/src/test/java/org/onosproject/pipelines/fabric/impl/behaviour/FabricInterpreterTest.java b/pipelines/fabric/impl/src/test/java/org/onosproject/pipelines/fabric/impl/behaviour/FabricInterpreterTest.java
index ccec055..0ad8d02 100644
--- a/pipelines/fabric/impl/src/test/java/org/onosproject/pipelines/fabric/impl/behaviour/FabricInterpreterTest.java
+++ b/pipelines/fabric/impl/src/test/java/org/onosproject/pipelines/fabric/impl/behaviour/FabricInterpreterTest.java
@@ -241,10 +241,6 @@
                 .withValue(ImmutableByteSequence.copyFrom(outputPort.toLong())
                         .fit(PORT_BITWIDTH))
                 .build());
-        builder.add(PiPacketMetadata.builder()
-                .withId(FabricConstants.DO_FORWARDING)
-                .withValue(ImmutableByteSequence.copyFrom(0).fit(1))
-                .build());
 
         PiPacketOperation expectedPktOp = PiPacketOperation.builder()
                 .withType(PiPacketOperationType.PACKET_OUT)
@@ -269,11 +265,6 @@
 
         ImmutableList.Builder<PiPacketMetadata> builder = ImmutableList.builder();
         builder.add(PiPacketMetadata.builder()
-                .withId(FabricConstants.EGRESS_PORT)
-                .withValue(ImmutableByteSequence.copyFrom(0)
-                        .fit(PORT_BITWIDTH))
-                .build());
-        builder.add(PiPacketMetadata.builder()
                 .withId(FabricConstants.DO_FORWARDING)
                 .withValue(ImmutableByteSequence.copyFrom(1)
                         .fit(1))