diff --git a/pipelines/basic/src/main/resources/Makefile b/pipelines/basic/src/main/resources/Makefile
index 2348ba6..1c48156 100644
--- a/pipelines/basic/src/main/resources/Makefile
+++ b/pipelines/basic/src/main/resources/Makefile
@@ -1,10 +1,15 @@
-all: basic
+all: basic int
 
 basic: basic.p4
 	p4c-bm2-ss -o p4c-out/bmv2/basic.json \
 		--p4runtime-file p4c-out/bmv2/basic.p4info \
 		--p4runtime-format text basic.p4
 
+int: int.p4
+	p4c-bm2-ss -o p4c-out/bmv2/int.json \
+		--p4runtime-file p4c-out/bmv2/int.p4info \
+		--p4runtime-format text int.p4
+
 clean:
 	rm -rf p4c-out/bmv2/*.json
 	rm -rf p4c-out/bmv2/*.p4info
diff --git a/pipelines/basic/src/main/resources/basic.p4 b/pipelines/basic/src/main/resources/basic.p4
index a291303..387cd0d 100644
--- a/pipelines/basic/src/main/resources/basic.p4
+++ b/pipelines/basic/src/main/resources/basic.p4
@@ -18,6 +18,7 @@
 #include <v1model.p4>
 
 #include "include/headers.p4"
+#include "include/custom_headers.p4"
 #include "include/defines.p4"
 #include "include/parsers.p4"
 #include "include/actions.p4"
diff --git a/pipelines/basic/src/main/resources/include/custom_headers.p4 b/pipelines/basic/src/main/resources/include/custom_headers.p4
new file mode 100644
index 0000000..035e322
--- /dev/null
+++ b/pipelines/basic/src/main/resources/include/custom_headers.p4
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __CUSTOM_HEADERS__
+#define __CUSTOM_HEADERS__
+struct headers_t {
+    packet_out_header_t packet_out;
+    packet_in_header_t packet_in;
+    ethernet_t ethernet;
+    ipv4_t ipv4;
+    tcp_t tcp;
+    udp_t udp;
+}
+
+struct local_metadata_t {
+    bit<16>       l4_src_port;
+    bit<16>       l4_dst_port;
+    next_hop_id_t next_hop_id;
+}
+
+#endif
\ No newline at end of file
diff --git a/pipelines/basic/src/main/resources/include/headers.p4 b/pipelines/basic/src/main/resources/include/headers.p4
index 038e952..d8478a6 100644
--- a/pipelines/basic/src/main/resources/include/headers.p4
+++ b/pipelines/basic/src/main/resources/include/headers.p4
@@ -71,19 +71,4 @@
     bit<16> checksum;
 }
 
-struct headers_t {
-    ethernet_t ethernet;
-    ipv4_t ipv4;
-    tcp_t tcp;
-    udp_t udp;
-    packet_out_header_t packet_out;
-    packet_in_header_t packet_in;
-}
-
-struct local_metadata_t {
-    bit<16>       l4_src_port;
-    bit<16>       l4_dst_port;
-    next_hop_id_t next_hop_id;
-}
-
 #endif
diff --git a/pipelines/basic/src/main/resources/include/int_defines.p4 b/pipelines/basic/src/main/resources/include/int_defines.p4
new file mode 100644
index 0000000..30f0ce6
--- /dev/null
+++ b/pipelines/basic/src/main/resources/include/int_defines.p4
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* -*- P4_16 -*- */
+#ifndef __INT_DEFINE__
+#define __INT_DEFINE__
+
+#include "defines.p4"
+
+const next_hop_id_t INT_PORT = 54321;
+
+typedef bit<48> timestamp_t;
+typedef bit<32> switch_id_t;
+
+const bit<8> INT_HEADER_LEN_WORD = 4;
+
+const bit<8> CPU_MIRROR_SESSION_ID = 250;
+
+#endif
\ No newline at end of file
diff --git a/pipelines/basic/src/main/resources/include/int_headers.p4 b/pipelines/basic/src/main/resources/include/int_headers.p4
new file mode 100644
index 0000000..8d8850f
--- /dev/null
+++ b/pipelines/basic/src/main/resources/include/int_headers.p4
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* -*- P4_16 -*- */
+#ifndef __CUSTOM_HEADERS__
+#define __CUSTOM_HEADERS__
+
+/* INT headers */
+header int_header_t {
+    bit<2>  ver;
+    bit<2>  rep;
+    bit<1>  c;
+    bit<1>  e;
+    bit<5>  rsvd1;
+    bit<5>  ins_cnt;
+    bit<8>  max_hop_cnt;
+    bit<8>  total_hop_cnt;
+    bit<4>  instruction_mask_0003; /* split the bits for lookup */
+    bit<4>  instruction_mask_0407;
+    bit<4>  instruction_mask_0811;
+    bit<4>  instruction_mask_1215;
+    bit<16> rsvd2;
+}
+
+// INT meta-value headers - different header for each value type
+header int_switch_id_t {
+    bit<32> switch_id;
+}
+header int_port_ids_t {
+    bit<16> ingress_port_id;
+    bit<16> egress_port_id;
+}
+header int_hop_latency_t {
+    bit<32> hop_latency;
+}
+header int_q_occupancy_t {
+    bit<8> q_id;
+    bit<24> q_occupancy;
+}
+header int_ingress_tstamp_t {
+    bit<32> ingress_tstamp;
+}
+header int_egress_tstamp_t {
+    bit<32> egress_tstamp;
+}
+header int_q_congestion_t {
+    bit<8> q_id;
+    bit<24> q_congestion;
+}
+header int_egress_port_tx_util_t {
+    bit<32> egress_port_tx_util;
+}
+
+header int_data_t {
+    // Maximum int metadata stack size in bits:
+    // (0xFF -4) * 32 (excluding INT shim header, tail header and INT header)
+    varbit<8032> data;
+}
+
+/* INT shim header for TCP/UDP */
+header intl4_shim_t {
+    bit<8> int_type;
+    bit<8> rsvd1;
+    bit<8> len;
+    bit<8> rsvd2;
+}
+/* INT tail header for TCP/UDP */
+header intl4_tail_t {
+    bit<8> next_proto;
+    bit<16> dest_port;
+    bit<8> dscp;
+}
+
+header int_metadata_t {
+    switch_id_t switch_id;
+    bit<16> insert_byte_cnt;
+    bit<1>  source;
+    bit<1>  sink;
+    bit<16> origin_port;
+    bit<8>  mirror_id;
+    bit<16> flow_id;
+    bit<8>  metadata_len;
+}
+
+struct headers_t {
+    packet_out_header_t packet_out;
+    packet_in_header_t packet_in;
+    ethernet_t ethernet;
+    ipv4_t ipv4;
+    tcp_t tcp;
+    udp_t udp;
+
+    // INT specific headers
+    intl4_shim_t intl4_shim;
+    int_header_t int_header;
+    int_data_t int_data;
+    int_switch_id_t int_switch_id;
+    int_port_ids_t int_port_ids;
+    int_hop_latency_t int_hop_latency;
+    int_q_occupancy_t int_q_occupancy;
+    int_ingress_tstamp_t int_ingress_tstamp;
+    int_egress_tstamp_t int_egress_tstamp;
+    int_q_congestion_t int_q_congestion;
+    int_egress_port_tx_util_t int_egress_tx_util;
+    intl4_tail_t intl4_tail;
+}
+
+struct local_metadata_t {
+    bit<16>       l4_src_port;
+    bit<16>       l4_dst_port;
+    next_hop_id_t next_hop_id;
+    bit<16>       selector;
+    int_metadata_t int_meta;
+}
+
+#endif
\ No newline at end of file
diff --git a/pipelines/basic/src/main/resources/include/int_parser.p4 b/pipelines/basic/src/main/resources/include/int_parser.p4
new file mode 100644
index 0000000..63c29fb
--- /dev/null
+++ b/pipelines/basic/src/main/resources/include/int_parser.p4
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* -*- P4_16 -*- */
+#ifndef __PARSER__
+#define __PARSER__
+
+parser int_parser (
+    packet_in packet,
+    out headers_t hdr,
+    inout local_metadata_t local_metadata,
+    inout standard_metadata_t standard_metadata) {
+    state start {
+        transition select(standard_metadata.ingress_port) {
+            CPU_PORT: parse_packet_out;
+            default: parse_ethernet;
+        }
+    }
+
+    state parse_packet_out {
+        packet.extract(hdr.packet_out);
+        transition parse_ethernet;
+    }
+
+    state parse_ethernet {
+        packet.extract(hdr.ethernet);
+        transition select(hdr.ethernet.ether_type) {
+            ETH_TYPE_IPV4 : parse_ipv4;
+            default : accept;
+        }
+    }
+
+    state parse_ipv4 {
+        packet.extract(hdr.ipv4);
+        transition select(hdr.ipv4.protocol) {
+            IP_PROTO_TCP : parse_tcp;
+            IP_PROTO_UDP : parse_udp;
+            default: accept;
+        }
+    }
+
+    state parse_tcp {
+        packet.extract(hdr.tcp);
+        transition accept;
+    }
+
+    state parse_udp {
+        packet.extract(hdr.udp);
+        local_metadata.l4_src_port = hdr.udp.src_port;
+        local_metadata.l4_dst_port = hdr.udp.dst_port;
+        transition select(hdr.udp.dst_port) {
+            INT_PORT: parse_intl4_shim;
+            default: accept;
+        }
+    }
+
+    state parse_intl4_shim {
+        packet.extract(hdr.intl4_shim);
+        transition parse_int_header;
+    }
+
+    state parse_int_header {
+        packet.extract(hdr.int_header);
+        // If there is no INT metadata but the INT header (and corresponding shim header
+        // and tail header) exists, default value of length field in shim header
+        // should be INT_HEADER_LEN_WORD.
+        local_metadata.int_meta.metadata_len = hdr.intl4_shim.len - INT_HEADER_LEN_WORD;
+        transition select (local_metadata.int_meta.metadata_len) {
+            0: parse_intl4_tail;
+            default: parse_int_data;
+        }
+    }
+
+    state parse_int_data {
+        // Parse INT metadata, not INT header, INT shim header and INT tail header
+        packet.extract(hdr.int_data, (bit<32>) ((hdr.intl4_shim.len - INT_HEADER_LEN_WORD) << 5));
+        transition parse_intl4_tail;
+    }
+
+    state parse_intl4_tail {
+        packet.extract(hdr.intl4_tail);
+        transition accept;
+    }
+}
+
+control int_deparser(
+    packet_out packet,
+    in headers_t hdr) {
+    apply {
+        packet.emit(hdr.packet_in);
+        packet.emit(hdr.ethernet);
+        packet.emit(hdr.ipv4);
+        packet.emit(hdr.tcp);
+        packet.emit(hdr.udp);
+        packet.emit(hdr.intl4_shim);
+        packet.emit(hdr.int_header);
+        packet.emit(hdr.int_switch_id);
+        packet.emit(hdr.int_port_ids);
+        packet.emit(hdr.int_hop_latency);
+        packet.emit(hdr.int_q_occupancy);
+        packet.emit(hdr.int_ingress_tstamp);
+        packet.emit(hdr.int_egress_tstamp);
+        packet.emit(hdr.int_q_congestion);
+        packet.emit(hdr.int_egress_tx_util);
+        packet.emit(hdr.int_data);
+        packet.emit(hdr.intl4_tail);
+    }
+}
+
+#endif
\ No newline at end of file
diff --git a/pipelines/basic/src/main/resources/include/int_sink.p4 b/pipelines/basic/src/main/resources/include/int_sink.p4
new file mode 100644
index 0000000..29c85ef
--- /dev/null
+++ b/pipelines/basic/src/main/resources/include/int_sink.p4
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* -*- P4_16 -*- */
+#ifndef __INT_SINK__
+#define __INT_SINK__
+
+// TODO: implement report logic to external collector
+control process_int_sink (
+    inout headers_t hdr,
+    inout local_metadata_t local_metadata,
+    inout standard_metadata_t standard_metadata) {
+    action int_sink() {
+        // restore length fields of IPv4 header and UDP header
+        hdr.ipv4.len = hdr.ipv4.len - (bit<16>)((hdr.intl4_shim.len - (bit<8>)hdr.int_header.ins_cnt) << 2); 
+        hdr.udp.length_ = hdr.udp.length_ - (bit<16>)((hdr.intl4_shim.len - (bit<8>)hdr.int_header.ins_cnt) << 2);
+        // restore original dst port
+        local_metadata.int_meta.origin_port = hdr.intl4_tail.dest_port;
+        // remove all the INT information from the packet
+        hdr.int_header.setInvalid();
+        hdr.int_data.setInvalid();
+        hdr.intl4_shim.setInvalid();
+        hdr.intl4_tail.setInvalid();
+    }
+
+    action restore_port () {
+        hdr.udp.dst_port = local_metadata.int_meta.origin_port;
+    }
+
+    apply {
+        if (local_metadata.int_meta.sink == 1) {
+            int_sink();
+            restore_port();
+        }
+    }
+}
+#endif
\ No newline at end of file
diff --git a/pipelines/basic/src/main/resources/include/int_source.p4 b/pipelines/basic/src/main/resources/include/int_source.p4
new file mode 100644
index 0000000..a09309f
--- /dev/null
+++ b/pipelines/basic/src/main/resources/include/int_source.p4
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* -*- P4_16 -*- */
+#ifndef __INT_SOURCE__
+#define __INT_SOURCE__
+
+// Insert INT header to the packet
+control process_int_source (
+    inout headers_t hdr,
+    inout local_metadata_t local_metadata,
+    inout standard_metadata_t standard_metadata) {
+
+    direct_counter(CounterType.packets_and_bytes) counter_int_source;
+
+    action int_source(bit<8> max_hop, bit<5> ins_cnt, bit<4> ins_mask0003, bit<4> ins_mask0407) {
+        // insert INT shim header
+        hdr.intl4_shim.setValid();
+        // int_type: Hop-by-hop type (1) , destination type (2)
+        hdr.intl4_shim.int_type = 1;
+        hdr.intl4_shim.len = INT_HEADER_LEN_WORD;
+
+        // insert INT header
+        hdr.int_header.setValid();
+        hdr.int_header.ver = 0;
+        hdr.int_header.rep = 0;
+        hdr.int_header.c = 0;
+        hdr.int_header.e = 0;
+        hdr.int_header.rsvd1 = 0;
+        hdr.int_header.ins_cnt = ins_cnt;
+        hdr.int_header.max_hop_cnt = max_hop;
+        hdr.int_header.total_hop_cnt = 0;
+        hdr.int_header.instruction_mask_0003 = ins_mask0003;
+        hdr.int_header.instruction_mask_0407 = ins_mask0407;
+        hdr.int_header.instruction_mask_0811 = 0; // not supported
+        hdr.int_header.instruction_mask_1215 = 0; // not supported
+
+        // insert INT tail header
+        hdr.intl4_tail.setValid();
+        hdr.intl4_tail.next_proto = hdr.ipv4.protocol;
+        hdr.intl4_tail.dest_port = local_metadata.l4_dst_port;
+        hdr.intl4_tail.dscp = 0; // not used
+
+        hdr.udp.dst_port = INT_PORT;
+
+        // add the header len (8 bytes) to total len
+        hdr.ipv4.len = hdr.ipv4.len + 16;
+        hdr.udp.length_ = hdr.udp.length_ + 16;
+    }
+
+    table tb_int_source {
+        key = {
+            local_metadata.int_meta.sink: exact;
+            local_metadata.int_meta.source: exact;
+            hdr.ipv4.src_addr: ternary;
+            hdr.ipv4.dst_addr: ternary;
+            local_metadata.l4_src_port: ternary;
+            local_metadata.l4_dst_port: ternary;
+        }
+        actions = {
+            int_source; // sink = 0 & source = 1
+        }
+        counters = counter_int_source;
+        size = 1024;
+    }
+
+    apply {
+        tb_int_source.apply();
+    }
+}
+
+control process_set_source_sink (
+    inout headers_t hdr,
+    inout local_metadata_t local_metadata,
+    inout standard_metadata_t standard_metadata) {
+
+    direct_counter(CounterType.packets_and_bytes) counter_set_source;
+    direct_counter(CounterType.packets_and_bytes) counter_set_sink;
+
+    action int_set_source () {
+        local_metadata.int_meta.source =  1;
+    }
+
+    action int_set_sink () {
+        local_metadata.int_meta.sink = 1;
+    }
+
+    table tb_set_source {
+        key = {
+            hdr.ipv4.src_addr: ternary;
+            hdr.ipv4.dst_addr: ternary;
+            local_metadata.l4_src_port: ternary;
+            local_metadata.l4_dst_port: ternary;
+        }
+        actions = {
+            int_set_source;
+        }
+        counters = counter_set_source;
+        size = 1024;
+    }
+
+    table tb_set_sink {
+        key = {
+            hdr.ipv4.src_addr: ternary;
+            hdr.ipv4.dst_addr: ternary;
+            local_metadata.l4_src_port: ternary;
+            local_metadata.l4_dst_port: ternary;
+        }
+        actions = {
+            int_set_sink;
+        }
+        counters = counter_set_sink;
+        size = 1024;
+    }
+
+    apply {
+        if (hdr.udp.isValid()) {
+            tb_set_source.apply();
+            tb_set_sink.apply();
+        }
+    }
+}
+#endif
diff --git a/pipelines/basic/src/main/resources/include/int_transit.p4 b/pipelines/basic/src/main/resources/include/int_transit.p4
new file mode 100644
index 0000000..7f553c5
--- /dev/null
+++ b/pipelines/basic/src/main/resources/include/int_transit.p4
@@ -0,0 +1,324 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* -*- P4_16 -*- */
+#ifndef __INT_TRANSIT__
+#define __INT_TRANSIT__
+control process_int_transit (
+    inout headers_t hdr,
+    inout local_metadata_t local_metadata,
+    inout standard_metadata_t standard_metadata) {
+
+    direct_counter(CounterType.packets_and_bytes) counter_int_insert;
+    direct_counter(CounterType.packets_and_bytes) counter_int_inst_0003;
+    direct_counter(CounterType.packets_and_bytes) counter_int_inst_0407;
+
+    action int_update_total_hop_cnt() {
+        hdr.int_header.total_hop_cnt = hdr.int_header.total_hop_cnt + 1;
+    }
+
+    action int_transit(switch_id_t switch_id) {
+        local_metadata.int_meta.switch_id = switch_id;
+        local_metadata.int_meta.insert_byte_cnt = (bit<16>) hdr.int_header.ins_cnt << 2;
+    }
+
+    /* Instr Bit 0 */
+    action int_set_header_0() { //switch_id
+        hdr.int_switch_id.setValid();
+        hdr.int_switch_id.switch_id = local_metadata.int_meta.switch_id;
+    }
+    action int_set_header_1() { //port_ids
+        hdr.int_port_ids.setValid();
+        hdr.int_port_ids.ingress_port_id =
+        (bit<16>) standard_metadata.ingress_port;
+        hdr.int_port_ids.egress_port_id =
+        (bit<16>) standard_metadata.egress_port;
+    }
+    action int_set_header_2() { //hop_latency
+        hdr.int_hop_latency.setValid();
+        hdr.int_hop_latency.hop_latency =
+        (bit<32>) standard_metadata.deq_timedelta;
+    }
+    action int_set_header_3() { //q_occupancy
+        // TODO: Support egress queue ID
+        hdr.int_q_occupancy.setValid();
+        hdr.int_q_occupancy.q_id =
+        0;
+        // (bit<8>) standard_metadata.egress_qid;
+        hdr.int_q_occupancy.q_occupancy =
+        (bit<24>) standard_metadata.deq_qdepth;
+    }
+    action int_set_header_4() { //ingress_tstamp
+        hdr.int_ingress_tstamp.setValid();
+        hdr.int_ingress_tstamp.ingress_tstamp =
+        (bit<32>) standard_metadata.enq_timestamp;
+    }
+    action int_set_header_5() { //egress_timestamp
+        hdr.int_egress_tstamp.setValid();
+        hdr.int_egress_tstamp.egress_tstamp =
+        (bit<32>) standard_metadata.enq_timestamp +
+        (bit<32>) standard_metadata.deq_timedelta;
+    }
+    action int_set_header_6() { //q_congestion
+        // TODO: implement queue congestion support in BMv2
+        // TODO: update egress queue ID
+        hdr.int_q_congestion.setValid();
+        hdr.int_q_congestion.q_id =
+        0;
+        // (bit<8>) standard_metadata.egress_qid;
+        hdr.int_q_congestion.q_congestion =
+        // (bit<24>) queueing_metadata.deq_congestion;
+        0;
+    }
+    action int_set_header_7() { //egress_port_tx_utilization
+        // TODO: implement tx utilization support in BMv2
+        hdr.int_egress_tx_util.setValid();
+        hdr.int_egress_tx_util.egress_port_tx_util =
+        // (bit<32>) queueing_metadata.tx_utilization;
+        0;
+    }
+
+    /* action function for bits 0-3 combinations, 0 is msb, 3 is lsb */
+    /* Each bit set indicates that corresponding INT header should be added */
+    action int_set_header_0003_i0() {
+    }
+    action int_set_header_0003_i1() {
+        int_set_header_3();
+    }
+    action int_set_header_0003_i2() {
+        int_set_header_2();
+    }
+    action int_set_header_0003_i3() {
+        int_set_header_3();
+        int_set_header_2();
+    }
+    action int_set_header_0003_i4() {
+        int_set_header_1();
+    }
+    action int_set_header_0003_i5() {
+        int_set_header_3();
+        int_set_header_1();
+    }
+    action int_set_header_0003_i6() {
+        int_set_header_2();
+        int_set_header_1();
+    }
+    action int_set_header_0003_i7() {
+        int_set_header_3();
+        int_set_header_2();
+        int_set_header_1();
+    }
+    action int_set_header_0003_i8() {
+        int_set_header_0();
+    }
+    action int_set_header_0003_i9() {
+        int_set_header_3();
+        int_set_header_0();
+    }
+    action int_set_header_0003_i10() {
+        int_set_header_2();
+        int_set_header_0();
+    }
+    action int_set_header_0003_i11() {
+        int_set_header_3();
+        int_set_header_2();
+        int_set_header_0();
+    }
+    action int_set_header_0003_i12() {
+        int_set_header_1();
+        int_set_header_0();
+    }
+    action int_set_header_0003_i13() {
+        int_set_header_3();
+        int_set_header_1();
+        int_set_header_0();
+    }
+    action int_set_header_0003_i14() {
+        int_set_header_2();
+        int_set_header_1();
+        int_set_header_0();
+    }
+    action int_set_header_0003_i15() {
+        int_set_header_3();
+        int_set_header_2();
+        int_set_header_1();
+        int_set_header_0();
+    }
+
+    /* action function for bits 4-7 combinations, 4 is msb, 7 is lsb */
+    action int_set_header_0407_i0() {
+    }
+    action int_set_header_0407_i1() {
+        int_set_header_7();
+    }
+    action int_set_header_0407_i2() {
+        int_set_header_6();
+    }
+    action int_set_header_0407_i3() {
+        int_set_header_7();
+        int_set_header_6();
+    }
+    action int_set_header_0407_i4() {
+        int_set_header_5();
+    }
+    action int_set_header_0407_i5() {
+        int_set_header_7();
+        int_set_header_5();
+    }
+    action int_set_header_0407_i6() {
+        int_set_header_6();
+        int_set_header_5();
+    }
+    action int_set_header_0407_i7() {
+        int_set_header_7();
+        int_set_header_6();
+        int_set_header_5();
+    }
+    action int_set_header_0407_i8() {
+        int_set_header_4();
+    }
+    action int_set_header_0407_i9() {
+        int_set_header_7();
+        int_set_header_4();
+    }
+    action int_set_header_0407_i10() {
+        int_set_header_6();
+        int_set_header_4();
+    }
+    action int_set_header_0407_i11() {
+        int_set_header_7();
+        int_set_header_6();
+        int_set_header_4();
+    }
+    action int_set_header_0407_i12() {
+        int_set_header_5();
+        int_set_header_4();
+    }
+    action int_set_header_0407_i13() {
+        int_set_header_7();
+        int_set_header_5();
+        int_set_header_4();
+    }
+    action int_set_header_0407_i14() {
+        int_set_header_6();
+        int_set_header_5();
+        int_set_header_4();
+    }
+    action int_set_header_0407_i15() {
+        int_set_header_7();
+        int_set_header_6();
+        int_set_header_5();
+        int_set_header_4();
+    }
+
+    table tb_int_insert {
+        key = {
+            local_metadata.int_meta.sink: exact;
+        }
+        actions = {
+            int_transit;
+        }
+        counters = counter_int_insert;
+        size = 2;
+    }
+
+    /* Table to process instruction bits 0-3 */
+    table tb_int_inst_0003 {
+        key = {
+            hdr.int_header.instruction_mask_0003 : exact;
+        }
+        actions = {
+            int_set_header_0003_i0;
+            int_set_header_0003_i1;
+            int_set_header_0003_i2;
+            int_set_header_0003_i3;
+            int_set_header_0003_i4;
+            int_set_header_0003_i5;
+            int_set_header_0003_i6;
+            int_set_header_0003_i7;
+            int_set_header_0003_i8;
+            int_set_header_0003_i9;
+            int_set_header_0003_i10;
+            int_set_header_0003_i11;
+            int_set_header_0003_i12;
+            int_set_header_0003_i13;
+            int_set_header_0003_i14;
+            int_set_header_0003_i15;
+        }
+        counters = counter_int_inst_0003;
+        size = 16;
+    }
+
+    /* Table to process instruction bits 4-7 */
+    table tb_int_inst_0407 {
+        key = {
+            hdr.int_header.instruction_mask_0407 : exact;
+        }
+        actions = {
+            int_set_header_0407_i0;
+            int_set_header_0407_i1;
+            int_set_header_0407_i2;
+            int_set_header_0407_i3;
+            int_set_header_0407_i4;
+            int_set_header_0407_i5;
+            int_set_header_0407_i6;
+            int_set_header_0407_i7;
+            int_set_header_0407_i8;
+            int_set_header_0407_i9;
+            int_set_header_0407_i10;
+            int_set_header_0407_i11;
+            int_set_header_0407_i12;
+            int_set_header_0407_i13;
+            int_set_header_0407_i14;
+            int_set_header_0407_i15;
+        }
+        counters = counter_int_inst_0407;
+        size = 16;
+    }
+
+    apply {
+        tb_int_insert.apply();
+        tb_int_inst_0003.apply();
+        tb_int_inst_0407.apply();
+        int_update_total_hop_cnt();
+    }
+}
+
+control process_int_outer_encap (
+    inout headers_t hdr,
+    inout local_metadata_t local_metadata,
+    inout standard_metadata_t standard_metadata) {
+
+    action int_update_ipv4() {
+        hdr.ipv4.len = hdr.ipv4.len + local_metadata.int_meta.insert_byte_cnt;
+    }
+    action int_update_udp() {
+        hdr.udp.length_ = hdr.udp.length_ + local_metadata.int_meta.insert_byte_cnt;
+        hdr.intl4_shim.len = hdr.intl4_shim.len + (bit<8>)hdr.int_header.ins_cnt;
+    }
+
+    apply {
+        if (hdr.ipv4.isValid()) {
+            int_update_ipv4();
+        }
+
+        if (hdr.intl4_shim.isValid()) {
+            int_update_udp();
+        }
+    }
+}
+
+#endif
diff --git a/pipelines/basic/src/main/resources/int.p4 b/pipelines/basic/src/main/resources/int.p4
new file mode 100644
index 0000000..1bbfefd
--- /dev/null
+++ b/pipelines/basic/src/main/resources/int.p4
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* -*- P4_16 -*- */
+#include <core.p4>
+#include <v1model.p4>
+
+#include "include/defines.p4"
+#include "include/headers.p4"
+#include "include/actions.p4"
+#include "include/int_defines.p4"
+#include "include/int_headers.p4"
+#include "include/packet_io.p4"
+#include "include/port_counters.p4"
+#include "include/table0.p4"
+#include "include/checksums.p4"
+#include "include/int_parser.p4"
+#include "include/int_source.p4"
+#include "include/int_transit.p4"
+#include "include/int_sink.p4"
+
+control int_ingress (
+    inout headers_t hdr,
+    inout local_metadata_t local_metadata,
+    inout standard_metadata_t standard_metadata) {
+
+    apply {
+        port_counters_ingress.apply(hdr, standard_metadata);
+        packetio_ingress.apply(hdr, standard_metadata);
+        table0_control.apply(hdr, local_metadata, standard_metadata);
+        process_set_source_sink.apply(hdr, local_metadata, standard_metadata);
+    }
+}
+
+control int_egress (
+    inout headers_t hdr,
+    inout local_metadata_t local_metadata,
+    inout standard_metadata_t standard_metadata) {
+
+    apply {
+        if (standard_metadata.ingress_port != CPU_PORT &&
+            standard_metadata.egress_port != CPU_PORT &&
+            hdr.udp.isValid()) {
+            process_int_source.apply(hdr, local_metadata, standard_metadata);
+            if(hdr.udp.dst_port == INT_PORT) {
+                process_int_transit.apply(hdr, local_metadata, standard_metadata);
+                // update underlay header based on INT information inserted
+                process_int_outer_encap.apply(hdr, local_metadata, standard_metadata);
+                // int sink
+                process_int_sink.apply(hdr, local_metadata, standard_metadata);
+            }
+        }
+        port_counters_egress.apply(hdr, standard_metadata);
+        packetio_egress.apply(hdr, standard_metadata);
+    }
+}
+
+V1Switch(
+    int_parser(),
+    verify_checksum_control(),
+    int_ingress(),
+    int_egress(),
+    compute_checksum_control(),
+    int_deparser()
+) main;
\ No newline at end of file
diff --git a/pipelines/basic/src/main/resources/p4c-out/bmv2/basic.json b/pipelines/basic/src/main/resources/p4c-out/bmv2/basic.json
index f1a65d1..62f94fc 100644
--- a/pipelines/basic/src/main/resources/p4c-out/bmv2/basic.json
+++ b/pipelines/basic/src/main/resources/p4c-out/bmv2/basic.json
@@ -17,9 +17,25 @@
       ]
     },
     {
-      "name" : "ethernet_t",
+      "name" : "packet_out_header_t",
       "id" : 1,
       "fields" : [
+        ["egress_port", 9, false],
+        ["_padding", 7, false]
+      ]
+    },
+    {
+      "name" : "packet_in_header_t",
+      "id" : 2,
+      "fields" : [
+        ["ingress_port", 9, false],
+        ["_padding_0", 7, false]
+      ]
+    },
+    {
+      "name" : "ethernet_t",
+      "id" : 3,
+      "fields" : [
         ["dst_addr", 48, false],
         ["src_addr", 48, false],
         ["ether_type", 16, false]
@@ -27,7 +43,7 @@
     },
     {
       "name" : "ipv4_t",
-      "id" : 2,
+      "id" : 4,
       "fields" : [
         ["version", 4, false],
         ["ihl", 4, false],
@@ -45,7 +61,7 @@
     },
     {
       "name" : "tcp_t",
-      "id" : 3,
+      "id" : 5,
       "fields" : [
         ["src_port", 16, false],
         ["dst_port", 16, false],
@@ -62,7 +78,7 @@
     },
     {
       "name" : "udp_t",
-      "id" : 4,
+      "id" : 6,
       "fields" : [
         ["src_port", 16, false],
         ["dst_port", 16, false],
@@ -71,22 +87,6 @@
       ]
     },
     {
-      "name" : "packet_out_header_t",
-      "id" : 5,
-      "fields" : [
-        ["egress_port", 9, false],
-        ["_padding", 7, false]
-      ]
-    },
-    {
-      "name" : "packet_in_header_t",
-      "id" : 6,
-      "fields" : [
-        ["ingress_port", 9, false],
-        ["_padding_0", 7, false]
-      ]
-    },
-    {
       "name" : "standard_metadata",
       "id" : 7,
       "fields" : [
@@ -128,46 +128,46 @@
       "pi_omit" : true
     },
     {
-      "name" : "ethernet",
-      "id" : 2,
-      "header_type" : "ethernet_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "ipv4",
-      "id" : 3,
-      "header_type" : "ipv4_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "tcp",
-      "id" : 4,
-      "header_type" : "tcp_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
-      "name" : "udp",
-      "id" : 5,
-      "header_type" : "udp_t",
-      "metadata" : false,
-      "pi_omit" : true
-    },
-    {
       "name" : "packet_out",
-      "id" : 6,
+      "id" : 2,
       "header_type" : "packet_out_header_t",
       "metadata" : false,
       "pi_omit" : true
     },
     {
       "name" : "packet_in",
-      "id" : 7,
+      "id" : 3,
       "header_type" : "packet_in_header_t",
       "metadata" : false,
       "pi_omit" : true
+    },
+    {
+      "name" : "ethernet",
+      "id" : 4,
+      "header_type" : "ethernet_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "ipv4",
+      "id" : 5,
+      "header_type" : "ipv4_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "tcp",
+      "id" : 6,
+      "header_type" : "tcp_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "udp",
+      "id" : 7,
+      "header_type" : "udp_t",
+      "metadata" : false,
+      "pi_omit" : true
     }
   ],
   "header_stacks" : [],
@@ -176,12 +176,12 @@
   "header_union_stacks" : [],
   "field_lists" : [],
   "errors" : [
-    ["NoError", 1],
-    ["PacketTooShort", 2],
-    ["NoMatch", 3],
-    ["StackOutOfBounds", 4],
-    ["HeaderTooShort", 5],
-    ["ParserTimeout", 6]
+    ["NoError", 0],
+    ["PacketTooShort", 1],
+    ["NoMatch", 2],
+    ["StackOutOfBounds", 3],
+    ["HeaderTooShort", 4],
+    ["ParserTimeout", 5]
   ],
   "enums" : [],
   "parsers" : [
@@ -413,7 +413,7 @@
       "name" : "deparser",
       "id" : 0,
       "source_info" : {
-        "filename" : "include/parsers.p4",
+        "filename" : "./include/parsers.p4",
         "line" : 72,
         "column" : 8,
         "source_fragment" : "deparser"
@@ -427,7 +427,7 @@
       "name" : "port_counters_ingress.ingress_port_counter",
       "id" : 0,
       "source_info" : {
-        "filename" : "include/port_counters.p4",
+        "filename" : "./include/port_counters.p4",
         "line" : 26,
         "column" : 38,
         "source_fragment" : "ingress_port_counter"
@@ -451,7 +451,7 @@
       "name" : "port_counters_egress.egress_port_counter",
       "id" : 3,
       "source_info" : {
-        "filename" : "include/port_counters.p4",
+        "filename" : "./include/port_counters.p4",
         "line" : 36,
         "column" : 38,
         "source_fragment" : "egress_port_counter"
@@ -487,7 +487,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/actions.p4",
+            "filename" : "./include/actions.p4",
             "line" : 28,
             "column" : 36,
             "source_fragment" : "port; ..."
@@ -518,7 +518,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/actions.p4",
+            "filename" : "./include/actions.p4",
             "line" : 28,
             "column" : 36,
             "source_fragment" : "port; ..."
@@ -544,7 +544,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/headers.p4",
+            "filename" : "./include/headers.p4",
             "line" : 19,
             "column" : 24,
             "source_fragment" : "255; ..."
@@ -561,7 +561,7 @@
           "op" : "drop",
           "parameters" : [],
           "source_info" : {
-            "filename" : "include/actions.p4",
+            "filename" : "./include/actions.p4",
             "line" : 32,
             "column" : 4,
             "source_fragment" : "mark_to_drop()"
@@ -598,7 +598,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/table0.p4",
+            "filename" : "./include/table0.p4",
             "line" : 30,
             "column" : 8,
             "source_fragment" : "local_metadata.next_hop_id = next_hop_id"
@@ -624,7 +624,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/packet_io.p4",
+            "filename" : "./include/packet_io.p4",
             "line" : 27,
             "column" : 12,
             "source_fragment" : "standard_metadata.egress_spec = hdr.packet_out.egress_port"
@@ -639,7 +639,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/packet_io.p4",
+            "filename" : "./include/packet_io.p4",
             "line" : 28,
             "column" : 12,
             "source_fragment" : "hdr.packet_out.setInvalid()"
@@ -691,7 +691,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/port_counters.p4",
+            "filename" : "./include/port_counters.p4",
             "line" : 29,
             "column" : 8,
             "source_fragment" : "ingress_port_counter.count((bit<32>) standard_metadata.ingress_port)"
@@ -713,7 +713,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/packet_io.p4",
+            "filename" : "./include/packet_io.p4",
             "line" : 38,
             "column" : 12,
             "source_fragment" : "hdr.packet_in.setValid()"
@@ -732,7 +732,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/packet_io.p4",
+            "filename" : "./include/packet_io.p4",
             "line" : 39,
             "column" : 12,
             "source_fragment" : "hdr.packet_in.ingress_port = standard_metadata.ingress_port"
@@ -784,7 +784,7 @@
             }
           ],
           "source_info" : {
-            "filename" : "include/port_counters.p4",
+            "filename" : "./include/port_counters.p4",
             "line" : 39,
             "column" : 8,
             "source_fragment" : "egress_port_counter.count((bit<32>) standard_metadata.egress_port)"
@@ -799,7 +799,7 @@
       "id" : 0,
       "source_info" : {
         "filename" : "basic.p4",
-        "line" : 34,
+        "line" : 35,
         "column" : 8,
         "source_fragment" : "ingress"
       },
@@ -855,7 +855,7 @@
           "name" : "table0_control.table0",
           "id" : 2,
           "source_info" : {
-            "filename" : "include/table0.p4",
+            "filename" : "./include/table0.p4",
             "line" : 33,
             "column" : 10,
             "source_fragment" : "table0"
@@ -932,7 +932,7 @@
           "name" : "wcmp_control.wcmp_table",
           "id" : 3,
           "source_info" : {
-            "filename" : "include/wcmp.p4",
+            "filename" : "./include/wcmp.p4",
             "line" : 30,
             "column" : 10,
             "source_fragment" : "wcmp_table"
@@ -996,7 +996,7 @@
           "name" : "node_3",
           "id" : 0,
           "source_info" : {
-            "filename" : "include/packet_io.p4",
+            "filename" : "./include/packet_io.p4",
             "line" : 26,
             "column" : 12,
             "source_fragment" : "standard_metadata.ingress_port == CPU_PORT"
@@ -1022,7 +1022,7 @@
           "name" : "node_6",
           "id" : 1,
           "source_info" : {
-            "filename" : "include/wcmp.p4",
+            "filename" : "./include/wcmp.p4",
             "line" : 48,
             "column" : 12,
             "source_fragment" : "local_metadata.next_hop_id != 0"
@@ -1051,7 +1051,7 @@
       "id" : 1,
       "source_info" : {
         "filename" : "basic.p4",
-        "line" : 50,
+        "line" : 51,
         "column" : 8,
         "source_fragment" : "egress"
       },
@@ -1110,7 +1110,7 @@
           "name" : "node_11",
           "id" : 2,
           "source_info" : {
-            "filename" : "include/packet_io.p4",
+            "filename" : "./include/packet_io.p4",
             "line" : 37,
             "column" : 12,
             "source_fragment" : "standard_metadata.egress_port == CPU_PORT"
diff --git a/pipelines/basic/src/main/resources/p4c-out/bmv2/int.json b/pipelines/basic/src/main/resources/p4c-out/bmv2/int.json
new file mode 100644
index 0000000..f57af60
--- /dev/null
+++ b/pipelines/basic/src/main/resources/p4c-out/bmv2/int.json
@@ -0,0 +1,6616 @@
+{
+  "program" : "int.p4",
+  "__meta__" : {
+    "version" : [2, 7],
+    "compiler" : "https://github.com/p4lang/p4c"
+  },
+  "header_types" : [
+    {
+      "name" : "scalars_0",
+      "id" : 0,
+      "fields" : [
+        ["tmp", 32, false],
+        ["tmp_0", 32, false],
+        ["tmp_1", 32, false],
+        ["local_metadata_t.l4_src_port", 16, false],
+        ["local_metadata_t.l4_dst_port", 16, false],
+        ["local_metadata_t.next_hop_id", 16, false],
+        ["local_metadata_t.selector", 16, false]
+      ]
+    },
+    {
+      "name" : "packet_out_header_t",
+      "id" : 1,
+      "fields" : [
+        ["egress_port", 9, false],
+        ["_padding", 7, false]
+      ]
+    },
+    {
+      "name" : "packet_in_header_t",
+      "id" : 2,
+      "fields" : [
+        ["ingress_port", 9, false],
+        ["_padding_0", 7, false]
+      ]
+    },
+    {
+      "name" : "ethernet_t",
+      "id" : 3,
+      "fields" : [
+        ["dst_addr", 48, false],
+        ["src_addr", 48, false],
+        ["ether_type", 16, false]
+      ]
+    },
+    {
+      "name" : "ipv4_t",
+      "id" : 4,
+      "fields" : [
+        ["version", 4, false],
+        ["ihl", 4, false],
+        ["diffserv", 8, false],
+        ["len", 16, false],
+        ["identification", 16, false],
+        ["flags", 3, false],
+        ["frag_offset", 13, false],
+        ["ttl", 8, false],
+        ["protocol", 8, false],
+        ["hdr_checksum", 16, false],
+        ["src_addr", 32, false],
+        ["dst_addr", 32, false]
+      ]
+    },
+    {
+      "name" : "tcp_t",
+      "id" : 5,
+      "fields" : [
+        ["src_port", 16, false],
+        ["dst_port", 16, false],
+        ["seq_no", 32, false],
+        ["ack_no", 32, false],
+        ["data_offset", 4, false],
+        ["res", 3, false],
+        ["ecn", 3, false],
+        ["ctrl", 6, false],
+        ["window", 16, false],
+        ["checksum", 16, false],
+        ["urgent_ptr", 16, false]
+      ]
+    },
+    {
+      "name" : "udp_t",
+      "id" : 6,
+      "fields" : [
+        ["src_port", 16, false],
+        ["dst_port", 16, false],
+        ["length_", 16, false],
+        ["checksum", 16, false]
+      ]
+    },
+    {
+      "name" : "intl4_shim_t",
+      "id" : 7,
+      "fields" : [
+        ["int_type", 8, false],
+        ["rsvd1", 8, false],
+        ["len", 8, false],
+        ["rsvd2", 8, false]
+      ]
+    },
+    {
+      "name" : "int_header_t",
+      "id" : 8,
+      "fields" : [
+        ["ver", 2, false],
+        ["rep", 2, false],
+        ["c", 1, false],
+        ["e", 1, false],
+        ["rsvd1", 5, false],
+        ["ins_cnt", 5, false],
+        ["max_hop_cnt", 8, false],
+        ["total_hop_cnt", 8, false],
+        ["instruction_mask_0003", 4, false],
+        ["instruction_mask_0407", 4, false],
+        ["instruction_mask_0811", 4, false],
+        ["instruction_mask_1215", 4, false],
+        ["rsvd2", 16, false]
+      ]
+    },
+    {
+      "name" : "int_data_t",
+      "id" : 9,
+      "fields" : [
+        ["data", "*"]
+      ],
+      "max_length" : 1004
+    },
+    {
+      "name" : "int_switch_id_t",
+      "id" : 10,
+      "fields" : [
+        ["switch_id", 32, false]
+      ]
+    },
+    {
+      "name" : "int_port_ids_t",
+      "id" : 11,
+      "fields" : [
+        ["ingress_port_id", 16, false],
+        ["egress_port_id", 16, false]
+      ]
+    },
+    {
+      "name" : "int_hop_latency_t",
+      "id" : 12,
+      "fields" : [
+        ["hop_latency", 32, false]
+      ]
+    },
+    {
+      "name" : "int_q_occupancy_t",
+      "id" : 13,
+      "fields" : [
+        ["q_id", 8, false],
+        ["q_occupancy", 24, false]
+      ]
+    },
+    {
+      "name" : "int_ingress_tstamp_t",
+      "id" : 14,
+      "fields" : [
+        ["ingress_tstamp", 32, false]
+      ]
+    },
+    {
+      "name" : "int_egress_tstamp_t",
+      "id" : 15,
+      "fields" : [
+        ["egress_tstamp", 32, false]
+      ]
+    },
+    {
+      "name" : "int_q_congestion_t",
+      "id" : 16,
+      "fields" : [
+        ["q_id", 8, false],
+        ["q_congestion", 24, false]
+      ]
+    },
+    {
+      "name" : "int_egress_port_tx_util_t",
+      "id" : 17,
+      "fields" : [
+        ["egress_port_tx_util", 32, false]
+      ]
+    },
+    {
+      "name" : "intl4_tail_t",
+      "id" : 18,
+      "fields" : [
+        ["next_proto", 8, false],
+        ["dest_port", 16, false],
+        ["dscp", 8, false]
+      ]
+    },
+    {
+      "name" : "int_metadata_t",
+      "id" : 19,
+      "fields" : [
+        ["switch_id", 32, false],
+        ["insert_byte_cnt", 16, false],
+        ["source", 1, false],
+        ["sink", 1, false],
+        ["origin_port", 16, false],
+        ["mirror_id", 8, false],
+        ["flow_id", 16, false],
+        ["metadata_len", 8, false],
+        ["_padding_1", 6, false]
+      ]
+    },
+    {
+      "name" : "standard_metadata",
+      "id" : 20,
+      "fields" : [
+        ["ingress_port", 9, false],
+        ["egress_spec", 9, false],
+        ["egress_port", 9, false],
+        ["clone_spec", 32, false],
+        ["instance_type", 32, false],
+        ["drop", 1, false],
+        ["recirculate_port", 16, false],
+        ["packet_length", 32, false],
+        ["enq_timestamp", 32, false],
+        ["enq_qdepth", 19, false],
+        ["deq_timedelta", 32, false],
+        ["deq_qdepth", 19, false],
+        ["ingress_global_timestamp", 48, false],
+        ["lf_field_list", 32, false],
+        ["mcast_grp", 16, false],
+        ["resubmit_flag", 1, false],
+        ["egress_rid", 16, false],
+        ["checksum_error", 1, false],
+        ["_padding_2", 4, false]
+      ]
+    }
+  ],
+  "headers" : [
+    {
+      "name" : "scalars",
+      "id" : 0,
+      "header_type" : "scalars_0",
+      "metadata" : true,
+      "pi_omit" : true
+    },
+    {
+      "name" : "standard_metadata",
+      "id" : 1,
+      "header_type" : "standard_metadata",
+      "metadata" : true,
+      "pi_omit" : true
+    },
+    {
+      "name" : "packet_out",
+      "id" : 2,
+      "header_type" : "packet_out_header_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "packet_in",
+      "id" : 3,
+      "header_type" : "packet_in_header_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "ethernet",
+      "id" : 4,
+      "header_type" : "ethernet_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "ipv4",
+      "id" : 5,
+      "header_type" : "ipv4_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "tcp",
+      "id" : 6,
+      "header_type" : "tcp_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "udp",
+      "id" : 7,
+      "header_type" : "udp_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "intl4_shim",
+      "id" : 8,
+      "header_type" : "intl4_shim_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_header",
+      "id" : 9,
+      "header_type" : "int_header_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_data",
+      "id" : 10,
+      "header_type" : "int_data_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_switch_id",
+      "id" : 11,
+      "header_type" : "int_switch_id_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_port_ids",
+      "id" : 12,
+      "header_type" : "int_port_ids_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_hop_latency",
+      "id" : 13,
+      "header_type" : "int_hop_latency_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_q_occupancy",
+      "id" : 14,
+      "header_type" : "int_q_occupancy_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_ingress_tstamp",
+      "id" : 15,
+      "header_type" : "int_ingress_tstamp_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_egress_tstamp",
+      "id" : 16,
+      "header_type" : "int_egress_tstamp_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_q_congestion",
+      "id" : 17,
+      "header_type" : "int_q_congestion_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_egress_tx_util",
+      "id" : 18,
+      "header_type" : "int_egress_port_tx_util_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "intl4_tail",
+      "id" : 19,
+      "header_type" : "intl4_tail_t",
+      "metadata" : false,
+      "pi_omit" : true
+    },
+    {
+      "name" : "int_meta",
+      "id" : 20,
+      "header_type" : "int_metadata_t",
+      "metadata" : false,
+      "pi_omit" : true
+    }
+  ],
+  "header_stacks" : [],
+  "header_union_types" : [],
+  "header_unions" : [],
+  "header_union_stacks" : [],
+  "field_lists" : [],
+  "errors" : [
+    ["NoError", 0],
+    ["PacketTooShort", 1],
+    ["NoMatch", 2],
+    ["StackOutOfBounds", 3],
+    ["HeaderTooShort", 4],
+    ["ParserTimeout", 5]
+  ],
+  "enums" : [],
+  "parsers" : [
+    {
+      "name" : "parser",
+      "id" : 0,
+      "init_state" : "start",
+      "parse_states" : [
+        {
+          "name" : "start",
+          "id" : 0,
+          "parser_ops" : [],
+          "transitions" : [
+            {
+              "value" : "0x00ff",
+              "mask" : null,
+              "next_state" : "parse_packet_out"
+            },
+            {
+              "value" : "default",
+              "mask" : null,
+              "next_state" : "parse_ethernet"
+            }
+          ],
+          "transition_key" : [
+            {
+              "type" : "field",
+              "value" : ["standard_metadata", "ingress_port"]
+            }
+          ]
+        },
+        {
+          "name" : "parse_packet_out",
+          "id" : 1,
+          "parser_ops" : [
+            {
+              "parameters" : [
+                {
+                  "type" : "regular",
+                  "value" : "packet_out"
+                }
+              ],
+              "op" : "extract"
+            }
+          ],
+          "transitions" : [
+            {
+              "value" : "default",
+              "mask" : null,
+              "next_state" : "parse_ethernet"
+            }
+          ],
+          "transition_key" : []
+        },
+        {
+          "name" : "parse_ethernet",
+          "id" : 2,
+          "parser_ops" : [
+            {
+              "parameters" : [
+                {
+                  "type" : "regular",
+                  "value" : "ethernet"
+                }
+              ],
+              "op" : "extract"
+            }
+          ],
+          "transitions" : [
+            {
+              "value" : "0x0800",
+              "mask" : null,
+              "next_state" : "parse_ipv4"
+            },
+            {
+              "value" : "default",
+              "mask" : null,
+              "next_state" : null
+            }
+          ],
+          "transition_key" : [
+            {
+              "type" : "field",
+              "value" : ["ethernet", "ether_type"]
+            }
+          ]
+        },
+        {
+          "name" : "parse_ipv4",
+          "id" : 3,
+          "parser_ops" : [
+            {
+              "parameters" : [
+                {
+                  "type" : "regular",
+                  "value" : "ipv4"
+                }
+              ],
+              "op" : "extract"
+            }
+          ],
+          "transitions" : [
+            {
+              "value" : "0x06",
+              "mask" : null,
+              "next_state" : "parse_tcp"
+            },
+            {
+              "value" : "0x11",
+              "mask" : null,
+              "next_state" : "parse_udp"
+            },
+            {
+              "value" : "default",
+              "mask" : null,
+              "next_state" : null
+            }
+          ],
+          "transition_key" : [
+            {
+              "type" : "field",
+              "value" : ["ipv4", "protocol"]
+            }
+          ]
+        },
+        {
+          "name" : "parse_tcp",
+          "id" : 4,
+          "parser_ops" : [
+            {
+              "parameters" : [
+                {
+                  "type" : "regular",
+                  "value" : "tcp"
+                }
+              ],
+              "op" : "extract"
+            }
+          ],
+          "transitions" : [
+            {
+              "value" : "default",
+              "mask" : null,
+              "next_state" : null
+            }
+          ],
+          "transition_key" : []
+        },
+        {
+          "name" : "parse_udp",
+          "id" : 5,
+          "parser_ops" : [
+            {
+              "parameters" : [
+                {
+                  "type" : "regular",
+                  "value" : "udp"
+                }
+              ],
+              "op" : "extract"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "local_metadata_t.l4_src_port"]
+                },
+                {
+                  "type" : "field",
+                  "value" : ["udp", "src_port"]
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "local_metadata_t.l4_dst_port"]
+                },
+                {
+                  "type" : "field",
+                  "value" : ["udp", "dst_port"]
+                }
+              ],
+              "op" : "set"
+            }
+          ],
+          "transitions" : [
+            {
+              "value" : "0xd431",
+              "mask" : null,
+              "next_state" : "parse_intl4_shim"
+            },
+            {
+              "value" : "default",
+              "mask" : null,
+              "next_state" : null
+            }
+          ],
+          "transition_key" : [
+            {
+              "type" : "field",
+              "value" : ["udp", "dst_port"]
+            }
+          ]
+        },
+        {
+          "name" : "parse_intl4_shim",
+          "id" : 6,
+          "parser_ops" : [
+            {
+              "parameters" : [
+                {
+                  "type" : "regular",
+                  "value" : "intl4_shim"
+                }
+              ],
+              "op" : "extract"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "regular",
+                  "value" : "int_header"
+                }
+              ],
+              "op" : "extract"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["int_meta", "metadata_len"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "+",
+                          "left" : {
+                            "type" : "field",
+                            "value" : ["intl4_shim", "len"]
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xfc"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            }
+          ],
+          "transitions" : [
+            {
+              "value" : "0x00",
+              "mask" : null,
+              "next_state" : "parse_intl4_tail"
+            },
+            {
+              "value" : "default",
+              "mask" : null,
+              "next_state" : "parse_int_data"
+            }
+          ],
+          "transition_key" : [
+            {
+              "type" : "field",
+              "value" : ["int_meta", "metadata_len"]
+            }
+          ]
+        },
+        {
+          "name" : "parse_int_data",
+          "id" : 7,
+          "parser_ops" : [
+            {
+              "parameters" : [
+                {
+                  "type" : "field",
+                  "value" : ["scalars", "tmp"]
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "&",
+                      "left" : {
+                        "type" : "expression",
+                        "value" : {
+                          "op" : "&",
+                          "left" : {
+                            "type" : "expression",
+                            "value" : {
+                              "op" : "<<",
+                              "left" : {
+                                "type" : "expression",
+                                "value" : {
+                                  "op" : "&",
+                                  "left" : {
+                                    "type" : "expression",
+                                    "value" : {
+                                      "op" : "+",
+                                      "left" : {
+                                        "type" : "field",
+                                        "value" : ["intl4_shim", "len"]
+                                      },
+                                      "right" : {
+                                        "type" : "hexstr",
+                                        "value" : "0xfc"
+                                      }
+                                    }
+                                  },
+                                  "right" : {
+                                    "type" : "hexstr",
+                                    "value" : "0xff"
+                                  }
+                                }
+                              },
+                              "right" : {
+                                "type" : "hexstr",
+                                "value" : "0x5"
+                              }
+                            }
+                          },
+                          "right" : {
+                            "type" : "hexstr",
+                            "value" : "0xff"
+                          }
+                        }
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0xffffffff"
+                      }
+                    }
+                  }
+                }
+              ],
+              "op" : "set"
+            },
+            {
+              "parameters" : [
+                {
+                  "type" : "regular",
+                  "value" : "int_data"
+                },
+                {
+                  "type" : "expression",
+                  "value" : {
+                    "type" : "field",
+                    "value" : ["scalars", "tmp"]
+                  }
+                }
+              ],
+              "op" : "extract_VL"
+            }
+          ],
+          "transitions" : [
+            {
+              "value" : "default",
+              "mask" : null,
+              "next_state" : "parse_intl4_tail"
+            }
+          ],
+          "transition_key" : []
+        },
+        {
+          "name" : "parse_intl4_tail",
+          "id" : 8,
+          "parser_ops" : [
+            {
+              "parameters" : [
+                {
+                  "type" : "regular",
+                  "value" : "intl4_tail"
+                }
+              ],
+              "op" : "extract"
+            }
+          ],
+          "transitions" : [
+            {
+              "value" : "default",
+              "mask" : null,
+              "next_state" : null
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+          "key" : [],
+          "match_type" : "exact",
+          "type" : "simple",
+          "max_size" : 1024,
+          "with_counters" : false,
+          "support_timeout" : false,
+          "direct_meters" : null,
+          "action_ids" : [15],
+          "actions" : ["process_int_transit.int_update_total_hop_cnt"],
+          "base_default_next" : "node_18",
+          "next_tables" : {
+            "process_int_transit.int_update_total_hop_cnt" : "node_18"
+          },
+          "default_entry" : {
+            "action_id" : 15,
+            "action_const" : true,
+            "action_data" : [],
+            "action_entry_const" : true
+          }
+        },
+        {
+          "name" : "tbl_process_int_outer_encap_int_update_ipv4",
+          "id" : 10,
+          "key" : [],
+          "match_type" : "exact",
+          "type" : "simple",
+          "max_size" : 1024,
+          "with_counters" : false,
+          "support_timeout" : false,
+          "direct_meters" : null,
+          "action_ids" : [49],
+          "actions" : ["process_int_outer_encap.int_update_ipv4"],
+          "base_default_next" : "node_20",
+          "next_tables" : {
+            "process_int_outer_encap.int_update_ipv4" : "node_20"
+          },
+          "default_entry" : {
+            "action_id" : 49,
+            "action_const" : true,
+            "action_data" : [],
+            "action_entry_const" : true
+          }
+        },
+        {
+          "name" : "tbl_process_int_outer_encap_int_update_udp",
+          "id" : 11,
+          "key" : [],
+          "match_type" : "exact",
+          "type" : "simple",
+          "max_size" : 1024,
+          "with_counters" : false,
+          "support_timeout" : false,
+          "direct_meters" : null,
+          "action_ids" : [50],
+          "actions" : ["process_int_outer_encap.int_update_udp"],
+          "base_default_next" : "node_22",
+          "next_tables" : {
+            "process_int_outer_encap.int_update_udp" : "node_22"
+          },
+          "default_entry" : {
+            "action_id" : 50,
+            "action_const" : true,
+            "action_data" : [],
+            "action_entry_const" : true
+          }
+        },
+        {
+          "name" : "tbl_process_int_sink_int_sink",
+          "id" : 12,
+          "key" : [],
+          "match_type" : "exact",
+          "type" : "simple",
+          "max_size" : 1024,
+          "with_counters" : false,
+          "support_timeout" : false,
+          "direct_meters" : null,
+          "action_ids" : [51],
+          "actions" : ["process_int_sink.int_sink"],
+          "base_default_next" : "tbl_process_int_sink_restore_port",
+          "next_tables" : {
+            "process_int_sink.int_sink" : "tbl_process_int_sink_restore_port"
+          },
+          "default_entry" : {
+            "action_id" : 51,
+            "action_const" : true,
+            "action_data" : [],
+            "action_entry_const" : true
+          }
+        },
+        {
+          "name" : "tbl_process_int_sink_restore_port",
+          "id" : 13,
+          "key" : [],
+          "match_type" : "exact",
+          "type" : "simple",
+          "max_size" : 1024,
+          "with_counters" : false,
+          "support_timeout" : false,
+          "direct_meters" : null,
+          "action_ids" : [52],
+          "actions" : ["process_int_sink.restore_port"],
+          "base_default_next" : "tbl_act_1",
+          "next_tables" : {
+            "process_int_sink.restore_port" : "tbl_act_1"
+          },
+          "default_entry" : {
+            "action_id" : 52,
+            "action_const" : true,
+            "action_data" : [],
+            "action_entry_const" : true
+          }
+        },
+        {
+          "name" : "tbl_act_1",
+          "id" : 14,
+          "key" : [],
+          "match_type" : "exact",
+          "type" : "simple",
+          "max_size" : 1024,
+          "with_counters" : false,
+          "support_timeout" : false,
+          "direct_meters" : null,
+          "action_ids" : [54],
+          "actions" : ["act_2"],
+          "base_default_next" : "node_26",
+          "next_tables" : {
+            "act_2" : "node_26"
+          },
+          "default_entry" : {
+            "action_id" : 54,
+            "action_const" : true,
+            "action_data" : [],
+            "action_entry_const" : true
+          }
+        },
+        {
+          "name" : "tbl_act_2",
+          "id" : 15,
+          "key" : [],
+          "match_type" : "exact",
+          "type" : "simple",
+          "max_size" : 1024,
+          "with_counters" : false,
+          "support_timeout" : false,
+          "direct_meters" : null,
+          "action_ids" : [53],
+          "actions" : ["act_1"],
+          "base_default_next" : null,
+          "next_tables" : {
+            "act_1" : null
+          },
+          "default_entry" : {
+            "action_id" : 53,
+            "action_const" : true,
+            "action_data" : [],
+            "action_entry_const" : true
+          }
+        }
+      ],
+      "action_profiles" : [],
+      "conditionals" : [
+        {
+          "name" : "node_11",
+          "id" : 2,
+          "source_info" : {
+            "filename" : "int.p4",
+            "line" : 55,
+            "column" : 12,
+            "source_fragment" : "standard_metadata.ingress_port != CPU_PORT && ..."
+          },
+          "expression" : {
+            "type" : "expression",
+            "value" : {
+              "op" : "and",
+              "left" : {
+                "type" : "expression",
+                "value" : {
+                  "op" : "and",
+                  "left" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "!=",
+                      "left" : {
+                        "type" : "field",
+                        "value" : ["standard_metadata", "ingress_port"]
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x00ff"
+                      }
+                    }
+                  },
+                  "right" : {
+                    "type" : "expression",
+                    "value" : {
+                      "op" : "!=",
+                      "left" : {
+                        "type" : "field",
+                        "value" : ["standard_metadata", "egress_port"]
+                      },
+                      "right" : {
+                        "type" : "hexstr",
+                        "value" : "0x00ff"
+                      }
+                    }
+                  }
+                }
+              },
+              "right" : {
+                "type" : "expression",
+                "value" : {
+                  "op" : "==",
+                  "left" : {
+                    "type" : "field",
+                    "value" : ["udp", "$valid$"]
+                  },
+                  "right" : {
+                    "type" : "hexstr",
+                    "value" : "0x01"
+                  }
+                }
+              }
+            }
+          },
+          "true_next" : "process_int_source.tb_int_source",
+          "false_next" : "tbl_act_1"
+        },
+        {
+          "name" : "node_13",
+          "id" : 3,
+          "source_info" : {
+            "filename" : "int.p4",
+            "line" : 59,
+            "column" : 15,
+            "source_fragment" : "hdr.udp.dst_port == INT_PORT"
+          },
+          "expression" : {
+            "type" : "expression",
+            "value" : {
+              "op" : "==",
+              "left" : {
+                "type" : "field",
+                "value" : ["udp", "dst_port"]
+              },
+              "right" : {
+                "type" : "hexstr",
+                "value" : "0xd431"
+              }
+            }
+          },
+          "true_next" : "process_int_transit.tb_int_insert",
+          "false_next" : "tbl_act_1"
+        },
+        {
+          "name" : "node_18",
+          "id" : 4,
+          "source_info" : {
+            "filename" : "./include/int_transit.p4",
+            "line" : 314,
+            "column" : 12,
+            "source_fragment" : "hdr.ipv4.isValid()"
+          },
+          "expression" : {
+            "type" : "expression",
+            "value" : {
+              "op" : "==",
+              "left" : {
+                "type" : "field",
+                "value" : ["ipv4", "$valid$"]
+              },
+              "right" : {
+                "type" : "hexstr",
+                "value" : "0x01"
+              }
+            }
+          },
+          "true_next" : "tbl_process_int_outer_encap_int_update_ipv4",
+          "false_next" : "node_20"
+        },
+        {
+          "name" : "node_20",
+          "id" : 5,
+          "source_info" : {
+            "filename" : "./include/int_transit.p4",
+            "line" : 318,
+            "column" : 12,
+            "source_fragment" : "hdr.intl4_shim.isValid()"
+          },
+          "expression" : {
+            "type" : "expression",
+            "value" : {
+              "op" : "==",
+              "left" : {
+                "type" : "field",
+                "value" : ["intl4_shim", "$valid$"]
+              },
+              "right" : {
+                "type" : "hexstr",
+                "value" : "0x01"
+              }
+            }
+          },
+          "true_next" : "tbl_process_int_outer_encap_int_update_udp",
+          "false_next" : "node_22"
+        },
+        {
+          "name" : "node_22",
+          "id" : 6,
+          "source_info" : {
+            "filename" : "./include/int_sink.p4",
+            "line" : 44,
+            "column" : 12,
+            "source_fragment" : "local_metadata.int_meta.sink == 1"
+          },
+          "expression" : {
+            "type" : "expression",
+            "value" : {
+              "op" : "==",
+              "left" : {
+                "type" : "field",
+                "value" : ["int_meta", "sink"]
+              },
+              "right" : {
+                "type" : "hexstr",
+                "value" : "0x01"
+              }
+            }
+          },
+          "true_next" : "tbl_process_int_sink_int_sink",
+          "false_next" : "tbl_act_1"
+        },
+        {
+          "name" : "node_26",
+          "id" : 7,
+          "source_info" : {
+            "filename" : "./include/packet_io.p4",
+            "line" : 37,
+            "column" : 12,
+            "source_fragment" : "standard_metadata.egress_port == CPU_PORT"
+          },
+          "expression" : {
+            "type" : "expression",
+            "value" : {
+              "op" : "==",
+              "left" : {
+                "type" : "field",
+                "value" : ["standard_metadata", "egress_port"]
+              },
+              "right" : {
+                "type" : "hexstr",
+                "value" : "0x00ff"
+              }
+            }
+          },
+          "false_next" : null,
+          "true_next" : "tbl_act_2"
+        }
+      ]
+    }
+  ],
+  "checksums" : [],
+  "force_arith" : [],
+  "extern_instances" : [],
+  "field_aliases" : [
+    [
+      "queueing_metadata.enq_timestamp",
+      ["standard_metadata", "enq_timestamp"]
+    ],
+    [
+      "queueing_metadata.enq_qdepth",
+      ["standard_metadata", "enq_qdepth"]
+    ],
+    [
+      "queueing_metadata.deq_timedelta",
+      ["standard_metadata", "deq_timedelta"]
+    ],
+    [
+      "queueing_metadata.deq_qdepth",
+      ["standard_metadata", "deq_qdepth"]
+    ],
+    [
+      "intrinsic_metadata.ingress_global_timestamp",
+      ["standard_metadata", "ingress_global_timestamp"]
+    ],
+    [
+      "intrinsic_metadata.lf_field_list",
+      ["standard_metadata", "lf_field_list"]
+    ],
+    [
+      "intrinsic_metadata.mcast_grp",
+      ["standard_metadata", "mcast_grp"]
+    ],
+    [
+      "intrinsic_metadata.resubmit_flag",
+      ["standard_metadata", "resubmit_flag"]
+    ],
+    [
+      "intrinsic_metadata.egress_rid",
+      ["standard_metadata", "egress_rid"]
+    ]
+  ]
+}
\ No newline at end of file
diff --git a/pipelines/basic/src/main/resources/p4c-out/bmv2/int.p4info b/pipelines/basic/src/main/resources/p4c-out/bmv2/int.p4info
new file mode 100644
index 0000000..cf2ad55
--- /dev/null
+++ b/pipelines/basic/src/main/resources/p4c-out/bmv2/int.p4info
@@ -0,0 +1,844 @@
+tables {
+  preamble {
+    id: 33571508
+    name: "table0_control.table0"
+    alias: "table0"
+  }
+  match_fields {
+    id: 1
+    name: "standard_metadata.ingress_port"
+    bitwidth: 9
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 2
+    name: "hdr.ethernet.src_addr"
+    bitwidth: 48
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 3
+    name: "hdr.ethernet.dst_addr"
+    bitwidth: 48
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 4
+    name: "hdr.ethernet.ether_type"
+    bitwidth: 16
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 5
+    name: "hdr.ipv4.src_addr"
+    bitwidth: 32
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 6
+    name: "hdr.ipv4.dst_addr"
+    bitwidth: 32
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 7
+    name: "hdr.ipv4.protocol"
+    bitwidth: 8
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 8
+    name: "local_metadata.l4_src_port"
+    bitwidth: 16
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 9
+    name: "local_metadata.l4_dst_port"
+    bitwidth: 16
+    match_type: TERNARY
+  }
+  action_refs {
+    id: 16794308
+  }
+  action_refs {
+    id: 16829080
+  }
+  action_refs {
+    id: 16802895
+  }
+  action_refs {
+    id: 16784184
+  }
+  const_default_action_id: 16784184
+  direct_resource_ids: 302046050
+  size: 1024
+}
+tables {
+  preamble {
+    id: 33573105
+    name: "process_set_source_sink.tb_set_source"
+    alias: "tb_set_source"
+  }
+  match_fields {
+    id: 1
+    name: "hdr.ipv4.src_addr"
+    bitwidth: 32
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 2
+    name: "hdr.ipv4.dst_addr"
+    bitwidth: 32
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 3
+    name: "local_metadata.l4_src_port"
+    bitwidth: 16
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 4
+    name: "local_metadata.l4_dst_port"
+    bitwidth: 16
+    match_type: TERNARY
+  }
+  action_refs {
+    id: 16816387
+  }
+  action_refs {
+    id: 16800567
+    annotations: "@defaultonly()"
+  }
+  direct_resource_ids: 302036180
+  size: 1024
+}
+tables {
+  preamble {
+    id: 33590037
+    name: "process_set_source_sink.tb_set_sink"
+    alias: "tb_set_sink"
+  }
+  match_fields {
+    id: 1
+    name: "hdr.ipv4.src_addr"
+    bitwidth: 32
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 2
+    name: "hdr.ipv4.dst_addr"
+    bitwidth: 32
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 3
+    name: "local_metadata.l4_src_port"
+    bitwidth: 16
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 4
+    name: "local_metadata.l4_dst_port"
+    bitwidth: 16
+    match_type: TERNARY
+  }
+  action_refs {
+    id: 16784579
+  }
+  action_refs {
+    id: 16800567
+    annotations: "@defaultonly()"
+  }
+  direct_resource_ids: 302053848
+  size: 1024
+}
+tables {
+  preamble {
+    id: 33564814
+    name: "process_int_source.tb_int_source"
+    alias: "tb_int_source"
+  }
+  match_fields {
+    id: 1
+    name: "local_metadata.int_meta.sink"
+    bitwidth: 1
+    match_type: EXACT
+  }
+  match_fields {
+    id: 2
+    name: "local_metadata.int_meta.source"
+    bitwidth: 1
+    match_type: EXACT
+  }
+  match_fields {
+    id: 3
+    name: "hdr.ipv4.src_addr"
+    bitwidth: 32
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 4
+    name: "hdr.ipv4.dst_addr"
+    bitwidth: 32
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 5
+    name: "local_metadata.l4_src_port"
+    bitwidth: 16
+    match_type: TERNARY
+  }
+  match_fields {
+    id: 6
+    name: "local_metadata.l4_dst_port"
+    bitwidth: 16
+    match_type: TERNARY
+  }
+  action_refs {
+    id: 16841774
+  }
+  action_refs {
+    id: 16800567
+    annotations: "@defaultonly()"
+  }
+  direct_resource_ids: 302000881
+  size: 1024
+}
+tables {
+  preamble {
+    id: 33600740
+    name: "process_int_transit.tb_int_insert"
+    alias: "tb_int_insert"
+  }
+  match_fields {
+    id: 1
+    name: "local_metadata.int_meta.sink"
+    bitwidth: 1
+    match_type: EXACT
+  }
+  action_refs {
+    id: 16789590
+  }
+  action_refs {
+    id: 16800567
+    annotations: "@defaultonly()"
+  }
+  direct_resource_ids: 302042285
+  size: 2
+}
+tables {
+  preamble {
+    id: 33618009
+    name: "process_int_transit.tb_int_inst_0003"
+    alias: "tb_int_inst_0003"
+  }
+  match_fields {
+    id: 1
+    name: "hdr.int_header.instruction_mask_0003"
+    bitwidth: 4
+    match_type: EXACT
+  }
+  action_refs {
+    id: 16828526
+  }
+  action_refs {
+    id: 16836578
+  }
+  action_refs {
+    id: 16814467
+  }
+  action_refs {
+    id: 16821517
+  }
+  action_refs {
+    id: 16840381
+  }
+  action_refs {
+    id: 16781880
+  }
+  action_refs {
+    id: 16777709
+  }
+  action_refs {
+    id: 16833199
+  }
+  action_refs {
+    id: 16837746
+  }
+  action_refs {
+    id: 16779495
+  }
+  action_refs {
+    id: 16816340
+  }
+  action_refs {
+    id: 16824234
+  }
+  action_refs {
+    id: 16818993
+  }
+  action_refs {
+    id: 16794339
+  }
+  action_refs {
+    id: 16812675
+  }
+  action_refs {
+    id: 16819981
+  }
+  action_refs {
+    id: 16800567
+    annotations: "@defaultonly()"
+  }
+  direct_resource_ids: 301996916
+  size: 16
+}
+tables {
+  preamble {
+    id: 33609974
+    name: "process_int_transit.tb_int_inst_0407"
+    alias: "tb_int_inst_0407"
+  }
+  match_fields {
+    id: 1
+    name: "hdr.int_header.instruction_mask_0407"
+    bitwidth: 4
+    match_type: EXACT
+  }
+  action_refs {
+    id: 16810351
+  }
+  action_refs {
+    id: 16803354
+  }
+  action_refs {
+    id: 16795736
+  }
+  action_refs {
+    id: 16788717
+  }
+  action_refs {
+    id: 16809154
+  }
+  action_refs {
+    id: 16832591
+  }
+  action_refs {
+    id: 16791085
+  }
+  action_refs {
+    id: 16814496
+  }
+  action_refs {
+    id: 16838516
+  }
+  action_refs {
+    id: 16796409
+  }
+  action_refs {
+    id: 16828750
+  }
+  action_refs {
+    id: 16788965
+  }
+  action_refs {
+    id: 16813720
+  }
+  action_refs {
+    id: 16802606
+  }
+  action_refs {
+    id: 16828339
+  }
+  action_refs {
+    id: 16816215
+  }
+  action_refs {
+    id: 16800567
+    annotations: "@defaultonly()"
+  }
+  direct_resource_ids: 302022203
+  size: 16
+}
+actions {
+  preamble {
+    id: 16794308
+    name: "set_egress_port"
+    alias: "set_egress_port"
+  }
+  params {
+    id: 1
+    name: "port"
+    bitwidth: 9
+  }
+}
+actions {
+  preamble {
+    id: 16829080
+    name: "send_to_cpu"
+    alias: "send_to_cpu"
+  }
+}
+actions {
+  preamble {
+    id: 16784184
+    name: "_drop"
+    alias: "_drop"
+  }
+}
+actions {
+  preamble {
+    id: 16800567
+    name: "NoAction"
+    alias: "NoAction"
+  }
+}
+actions {
+  preamble {
+    id: 16802895
+    name: "table0_control.set_next_hop_id"
+    alias: "set_next_hop_id"
+  }
+  params {
+    id: 1
+    name: "next_hop_id"
+    bitwidth: 16
+  }
+}
+actions {
+  preamble {
+    id: 16816387
+    name: "process_set_source_sink.int_set_source"
+    alias: "int_set_source"
+  }
+}
+actions {
+  preamble {
+    id: 16784579
+    name: "process_set_source_sink.int_set_sink"
+    alias: "int_set_sink"
+  }
+}
+actions {
+  preamble {
+    id: 16841774
+    name: "process_int_source.int_source"
+    alias: "int_source"
+  }
+  params {
+    id: 1
+    name: "max_hop"
+    bitwidth: 8
+  }
+  params {
+    id: 2
+    name: "ins_cnt"
+    bitwidth: 5
+  }
+  params {
+    id: 3
+    name: "ins_mask0003"
+    bitwidth: 4
+  }
+  params {
+    id: 4
+    name: "ins_mask0407"
+    bitwidth: 4
+  }
+}
+actions {
+  preamble {
+    id: 16793257
+    name: "process_int_transit.int_update_total_hop_cnt"
+    alias: "int_update_total_hop_cnt"
+  }
+}
+actions {
+  preamble {
+    id: 16789590
+    name: "process_int_transit.int_transit"
+    alias: "int_transit"
+  }
+  params {
+    id: 1
+    name: "switch_id"
+    bitwidth: 32
+  }
+}
+actions {
+  preamble {
+    id: 16828526
+    name: "process_int_transit.int_set_header_0003_i0"
+    alias: "int_set_header_0003_i0"
+  }
+}
+actions {
+  preamble {
+    id: 16836578
+    name: "process_int_transit.int_set_header_0003_i1"
+    alias: "int_set_header_0003_i1"
+  }
+}
+actions {
+  preamble {
+    id: 16814467
+    name: "process_int_transit.int_set_header_0003_i2"
+    alias: "int_set_header_0003_i2"
+  }
+}
+actions {
+  preamble {
+    id: 16821517
+    name: "process_int_transit.int_set_header_0003_i3"
+    alias: "int_set_header_0003_i3"
+  }
+}
+actions {
+  preamble {
+    id: 16840381
+    name: "process_int_transit.int_set_header_0003_i4"
+    alias: "int_set_header_0003_i4"
+  }
+}
+actions {
+  preamble {
+    id: 16781880
+    name: "process_int_transit.int_set_header_0003_i5"
+    alias: "int_set_header_0003_i5"
+  }
+}
+actions {
+  preamble {
+    id: 16777709
+    name: "process_int_transit.int_set_header_0003_i6"
+    alias: "int_set_header_0003_i6"
+  }
+}
+actions {
+  preamble {
+    id: 16833199
+    name: "process_int_transit.int_set_header_0003_i7"
+    alias: "int_set_header_0003_i7"
+  }
+}
+actions {
+  preamble {
+    id: 16837746
+    name: "process_int_transit.int_set_header_0003_i8"
+    alias: "int_set_header_0003_i8"
+  }
+}
+actions {
+  preamble {
+    id: 16779495
+    name: "process_int_transit.int_set_header_0003_i9"
+    alias: "int_set_header_0003_i9"
+  }
+}
+actions {
+  preamble {
+    id: 16816340
+    name: "process_int_transit.int_set_header_0003_i10"
+    alias: "int_set_header_0003_i10"
+  }
+}
+actions {
+  preamble {
+    id: 16824234
+    name: "process_int_transit.int_set_header_0003_i11"
+    alias: "int_set_header_0003_i11"
+  }
+}
+actions {
+  preamble {
+    id: 16818993
+    name: "process_int_transit.int_set_header_0003_i12"
+    alias: "int_set_header_0003_i12"
+  }
+}
+actions {
+  preamble {
+    id: 16794339
+    name: "process_int_transit.int_set_header_0003_i13"
+    alias: "int_set_header_0003_i13"
+  }
+}
+actions {
+  preamble {
+    id: 16812675
+    name: "process_int_transit.int_set_header_0003_i14"
+    alias: "int_set_header_0003_i14"
+  }
+}
+actions {
+  preamble {
+    id: 16819981
+    name: "process_int_transit.int_set_header_0003_i15"
+    alias: "int_set_header_0003_i15"
+  }
+}
+actions {
+  preamble {
+    id: 16810351
+    name: "process_int_transit.int_set_header_0407_i0"
+    alias: "int_set_header_0407_i0"
+  }
+}
+actions {
+  preamble {
+    id: 16803354
+    name: "process_int_transit.int_set_header_0407_i1"
+    alias: "int_set_header_0407_i1"
+  }
+}
+actions {
+  preamble {
+    id: 16795736
+    name: "process_int_transit.int_set_header_0407_i2"
+    alias: "int_set_header_0407_i2"
+  }
+}
+actions {
+  preamble {
+    id: 16788717
+    name: "process_int_transit.int_set_header_0407_i3"
+    alias: "int_set_header_0407_i3"
+  }
+}
+actions {
+  preamble {
+    id: 16809154
+    name: "process_int_transit.int_set_header_0407_i4"
+    alias: "int_set_header_0407_i4"
+  }
+}
+actions {
+  preamble {
+    id: 16832591
+    name: "process_int_transit.int_set_header_0407_i5"
+    alias: "int_set_header_0407_i5"
+  }
+}
+actions {
+  preamble {
+    id: 16791085
+    name: "process_int_transit.int_set_header_0407_i6"
+    alias: "int_set_header_0407_i6"
+  }
+}
+actions {
+  preamble {
+    id: 16814496
+    name: "process_int_transit.int_set_header_0407_i7"
+    alias: "int_set_header_0407_i7"
+  }
+}
+actions {
+  preamble {
+    id: 16838516
+    name: "process_int_transit.int_set_header_0407_i8"
+    alias: "int_set_header_0407_i8"
+  }
+}
+actions {
+  preamble {
+    id: 16796409
+    name: "process_int_transit.int_set_header_0407_i9"
+    alias: "int_set_header_0407_i9"
+  }
+}
+actions {
+  preamble {
+    id: 16828750
+    name: "process_int_transit.int_set_header_0407_i10"
+    alias: "int_set_header_0407_i10"
+  }
+}
+actions {
+  preamble {
+    id: 16788965
+    name: "process_int_transit.int_set_header_0407_i11"
+    alias: "int_set_header_0407_i11"
+  }
+}
+actions {
+  preamble {
+    id: 16813720
+    name: "process_int_transit.int_set_header_0407_i12"
+    alias: "int_set_header_0407_i12"
+  }
+}
+actions {
+  preamble {
+    id: 16802606
+    name: "process_int_transit.int_set_header_0407_i13"
+    alias: "int_set_header_0407_i13"
+  }
+}
+actions {
+  preamble {
+    id: 16828339
+    name: "process_int_transit.int_set_header_0407_i14"
+    alias: "int_set_header_0407_i14"
+  }
+}
+actions {
+  preamble {
+    id: 16816215
+    name: "process_int_transit.int_set_header_0407_i15"
+    alias: "int_set_header_0407_i15"
+  }
+}
+actions {
+  preamble {
+    id: 16805940
+    name: "process_int_outer_encap.int_update_ipv4"
+    alias: "int_update_ipv4"
+  }
+}
+actions {
+  preamble {
+    id: 16797634
+    name: "process_int_outer_encap.int_update_udp"
+    alias: "int_update_udp"
+  }
+}
+actions {
+  preamble {
+    id: 16826281
+    name: "process_int_sink.int_sink"
+    alias: "int_sink"
+  }
+}
+actions {
+  preamble {
+    id: 16792548
+    name: "process_int_sink.restore_port"
+    alias: "restore_port"
+  }
+}
+counters {
+  preamble {
+    id: 302012579
+    name: "port_counters_ingress.ingress_port_counter"
+    alias: "ingress_port_counter"
+  }
+  spec {
+    unit: PACKETS
+  }
+  size: 511
+}
+counters {
+  preamble {
+    id: 302012501
+    name: "port_counters_egress.egress_port_counter"
+    alias: "egress_port_counter"
+  }
+  spec {
+    unit: PACKETS
+  }
+  size: 511
+}
+direct_counters {
+  preamble {
+    id: 302046050
+    name: "table0_control.table0_counter"
+    alias: "table0_counter"
+  }
+  spec {
+    unit: BOTH
+  }
+  direct_table_id: 33571508
+}
+direct_counters {
+  preamble {
+    id: 302036180
+    name: "process_set_source_sink.counter_set_source"
+    alias: "counter_set_source"
+  }
+  spec {
+    unit: BOTH
+  }
+  direct_table_id: 33573105
+}
+direct_counters {
+  preamble {
+    id: 302053848
+    name: "process_set_source_sink.counter_set_sink"
+    alias: "counter_set_sink"
+  }
+  spec {
+    unit: BOTH
+  }
+  direct_table_id: 33590037
+}
+direct_counters {
+  preamble {
+    id: 302000881
+    name: "process_int_source.counter_int_source"
+    alias: "counter_int_source"
+  }
+  spec {
+    unit: BOTH
+  }
+  direct_table_id: 33564814
+}
+direct_counters {
+  preamble {
+    id: 302042285
+    name: "process_int_transit.counter_int_insert"
+    alias: "counter_int_insert"
+  }
+  spec {
+    unit: BOTH
+  }
+  direct_table_id: 33600740
+}
+direct_counters {
+  preamble {
+    id: 301996916
+    name: "process_int_transit.counter_int_inst_0003"
+    alias: "counter_int_inst_0003"
+  }
+  spec {
+    unit: BOTH
+  }
+  direct_table_id: 33618009
+}
+direct_counters {
+  preamble {
+    id: 302022203
+    name: "process_int_transit.counter_int_inst_0407"
+    alias: "counter_int_inst_0407"
+  }
+  spec {
+    unit: BOTH
+  }
+  direct_table_id: 33609974
+}
+controller_packet_metadata {
+  preamble {
+    id: 2868941301
+    name: "packet_in"
+    annotations: "@controller_header(\"packet_in\")"
+  }
+  metadata {
+    id: 1
+    name: "ingress_port"
+    bitwidth: 9
+  }
+}
+controller_packet_metadata {
+  preamble {
+    id: 2868916615
+    name: "packet_out"
+    annotations: "@controller_header(\"packet_out\")"
+  }
+  metadata {
+    id: 1
+    name: "egress_port"
+    bitwidth: 9
+  }
+}