Refactored code into different files
diff --git a/ofdpa/cord.py b/ofdpa/cord.py
new file mode 100644
index 0000000..b86070b
--- /dev/null
+++ b/ofdpa/cord.py
@@ -0,0 +1,88 @@
+"""
+The following tests are being done here
+1) PacketInSrcMacMiss
+2) VlanSupport
+3) L2FloodQinQ
+4) L2FloodTagged
+5) L2Flood Tagged Unknown Src
+6) L2 Unicast Tagged
+7) MTU 1500
+8) MTU 4100
+9) MTU 4500
+10) L3UnicastTagged
+11) L3VPNMPLS
+12) MPLS Termination
+"""
+
+from oftest import config
+import logging
+import oftest.base_tests as base_tests
+import ofp
+from oftest.testutils import *
+from accton_util import *
+
+class VlanSupport(base_tests.SimpleDataPlane):
+    """
+    Test L2 forwarding of both, untagged and double-tagged packets
+    Sends a packet and expects the same packet on the other port
+    Repeats for double tagged
+    """
+    def runTest(self):
+        delete_all_flows(self.controller)
+        delete_all_groups(self.controller)
+        ports = sorted(config["port_map"].keys())
+        # group table
+        # set up untag groups for each port
+        add_l2_interface_group(self.controller, config["port_map"].keys(), 4093, False, 1)
+        for port in ports:
+            add_one_vlan_table_flow(self.controller, port, 4093, flag=VLAN_TABLE_FLAG_ONLY_BOTH)
+            group_id = encode_l2_interface_group_id(4093, port)
+            add_bridge_flow(self.controller, [0x00, 0x12, 0x34, 0x56, 0x78, port], 4093, group_id, True)
+            #add flow match for vlan 300
+            add_one_l2_interface_group(self.controller, port, 300, True, False)
+            add_one_vlan_table_flow(self.controller, port, 300, flag=VLAN_TABLE_FLAG_ONLY_TAG)
+        msg=add_l2_flood_group(self.controller, ports, 300, 1)
+        add_bridge_flow(self.controller, None, 300, msg.group_id, True)
+        msg=add_l2_flood_group(self.controller, ports, 4093, 1)
+        add_bridge_flow(self.controller, None, 4093, msg.group_id, True)
+        do_barrier(self.controller)
+
+        for out_port in ports:
+            # change dest based on port number
+            mac_dst= '00:12:34:56:78:%02X' % out_port
+
+            for in_port in ports:
+                if in_port == out_port:
+                    continue
+                # change source based on port number to avoid packet-ins from learning
+                mac_src= '00:12:34:56:78:%02X' % in_port
+                #sends an untagged packet
+                parsed_pkt = simple_tcp_packet(dl_vlan_enable=False, vlan_vid=4093, eth_dst=mac_dst, eth_src=mac_src)
+                pkt = str(parsed_pkt)
+                logging.info("OutputExact test, ports %d to %d", in_port, out_port)
+                self.dataplane.send(in_port, pkt)
+
+                for ofport in ports:
+                    if ofport in [out_port]:
+                        verify_packet(self, pkt, ofport)
+                    else:
+                        verify_no_packet(self, pkt, ofport)
+
+                verify_no_other_packets(self)
+                # sends a double tagged packet
+                parsed_pkt = simple_tcp_packet_two_vlan(pktlen=108, out_dl_vlan_enable=True, out_vlan_vid=300,
+                                                in_dl_vlan_enable=True, in_vlan_vid=10, eth_dst='00:12:34:56:78:9a', eth_src=mac_src)
+                pkt = str(parsed_pkt)
+                logging.info("OutputExact test, ports %d to %d", in_port, out_port)
+                self.dataplane.send(in_port, pkt)
+
+                for ofport in ports:
+                    if ofport in [out_port]:
+                        verify_packet(self, pkt, ofport)
+                    else:
+                        verify_no_packet(self, pkt, ofport)
+
+                verify_no_other_packets(self)
+
+
+