add verf routing case
diff --git a/accton/accton_util.py b/accton/accton_util.py
index e20e0fd..1871849 100755
--- a/accton/accton_util.py
+++ b/accton/accton_util.py
@@ -377,19 +377,23 @@
 
     return msgs
 
-def add_one_vlan_table_flow(ctrl, of_port, vlan_id=1, flag=VLAN_TABLE_FLAG_ONLY_BOTH, send_barrier=False):
+def add_one_vlan_table_flow(ctrl, of_port, vlan_id=1, vrf=0, flag=VLAN_TABLE_FLAG_ONLY_BOTH, send_barrier=False):
     # table 10: vlan
     # goto to table 20
     if (flag == VLAN_TABLE_FLAG_ONLY_TAG) or (flag == VLAN_TABLE_FLAG_ONLY_BOTH):
         match = ofp.match()
         match.oxm_list.append(ofp.oxm.in_port(of_port))
         match.oxm_list.append(ofp.oxm.vlan_vid(0x1000+vlan_id))
+        
         request = ofp.message.flow_add(
             table_id=10,
             cookie=42,
             match=match,
             instructions=[
-              ofp.instruction.goto_table(20)
+                ofp.instruction.apply_actions(
+                     actions=[ofp.action.set_field(ofp.oxm.exp2ByteValue(exp_type=1, value=vrf))]
+                ),
+                ofp.instruction.goto_table(20)
             ],
             priority=0)
         logging.info("Add vlan %d tagged packets on port %d and go to table 20" %( vlan_id, of_port))
@@ -399,6 +403,7 @@
         match = ofp.match()
         match.oxm_list.append(ofp.oxm.in_port(of_port))
         match.oxm_list.append(ofp.oxm.vlan_vid(0))
+        
         request = ofp.message.flow_add(
             table_id=10,
             cookie=42,
@@ -486,7 +491,8 @@
        match.oxm_list.append(ofp.oxm.eth_dst_masked(dst_mac, [0xff, 0xff, 0xff, 0x80, 0x00, 0x00]))
        goto_table=40
     else:
-       match.oxm_list.append(ofp.oxm.in_port(in_port))    
+       if in_port!=0:
+           match.oxm_list.append(ofp.oxm.in_port(in_port))
        match.oxm_list.append(ofp.oxm.eth_dst(dst_mac))
        match.oxm_list.append(ofp.oxm.vlan_vid(0x1000+vlanid))
        goto_table=30
@@ -509,14 +515,18 @@
 
     return request    
     
-def add_unicast_routing_flow(ctrl, eth_type, dst_ip, mask, action_group_id, send_barrier=False):
+def add_unicast_routing_flow(ctrl, eth_type, dst_ip, mask, action_group_id, vrf=0, send_barrier=False):
     match = ofp.match()
     match.oxm_list.append(ofp.oxm.eth_type(eth_type))
+    if vrf != 0:
+        match.oxm_list.append(ofp.oxm.exp2ByteValue(ofp.oxm.OFDPA_EXP_TYPE_VRF, vrf))
+    
     if mask!=0:
         match.oxm_list.append(ofp.oxm.ipv4_dst_masked(dst_ip, mask))
     else:
         match.oxm_list.append(ofp.oxm.ipv4_dst(dst_ip))
 
+
     request = ofp.message.flow_add(
             table_id=30,
             cookie=42,
diff --git a/accton/flow_test.py b/accton/flow_test.py
index fe80d9e..2dd7cf4 100755
--- a/accton/flow_test.py
+++ b/accton/flow_test.py
@@ -552,6 +552,167 @@
         verify_packet(self, pkt, port)

         verify_no_other_packets(self)    

 		

+class L3UcastVrfRouteOnSamVLANSamPort(base_tests.SimpleDataPlane):

+    """

+    Port1(vlan1, VRF1, 0x00, 0x00, 0x00, 0x22, 0x22, 0x01, 192.168.1.1) , 

+    Port1(vlan1, VRF1, 0x00, 0x00, 0x00, 0x22, 0x22, 0x02, 19.168.2.1)

+    Port1(vlan2, VRF2, 0x00, 0x00, 0x00, 0x22, 0x22, 0x01, 192.168.1.1) , 

+    Port1(vlan2, VRF2, 0x00, 0x00, 0x00, 0x22, 0x22, 0x02, 19.168.2.1)

+    

+    """	

+    def runTest(self):          

+        delete_all_flows(self.controller)

+        delete_all_groups(self.controller)

+        port = config["port_map"].keys()[0]

+		

+        vrf1=1

+        vrf2=2

+        vrf1_vlan_id=1

+        vrf2_vlan_id=2

+        intf_src_mac=[0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc]

+        port_mac1=[0x00, 0x00, 0x00, 0x22, 0x22, 0x01]

+        port_mac2=[0x00, 0x00, 0x00, 0x22, 0x22, 0x02]

+        port_ip1=0xc0a80101        

+        port_ip1_str=convertIP4toStr(port_ip1)

+        port_ip2=0xc0a80201

+        port_ip2_str=convertIP4toStr(port_ip2)

+		#add l2 interface group

+        add_one_l2_interface_grouop(self.controller, port, vlan_id=vrf1_vlan_id, is_tagged=True, send_barrier=False)

+        add_one_l2_interface_grouop(self.controller, port, vlan_id=vrf2_vlan_id, is_tagged=True, send_barrier=False)        

+		#add vlan flow table

+        add_one_vlan_table_flow(self.controller, port, vrf1_vlan_id, vrf=vrf1, flag=VLAN_TABLE_FLAG_ONLY_TAG)

+        add_one_vlan_table_flow(self.controller, port, vrf2_vlan_id, vrf=vrf2, flag=VLAN_TABLE_FLAG_ONLY_TAG)

+        

+		#add termination flow

+        add_termination_flow(self.controller, 0, 0x0800, intf_src_mac, vrf1_vlan_id)

+        add_termination_flow(self.controller, 0, 0x0800, intf_src_mac, vrf2_vlan_id)

+        

+        """192.168.1.1->192.168.2.1"""

+        l3_msg=add_l3_unicast_group(self.controller, port, vlanid=vrf1_vlan_id, id=1, src_mac=intf_src_mac, dst_mac=port_mac2)

+        add_unicast_routing_flow(self.controller, 0x0800, port_ip2, 0, l3_msg.group_id, vrf1)

+        l3_msg=add_l3_unicast_group(self.controller, port, vlanid=vrf2_vlan_id, id=2, src_mac=intf_src_mac, dst_mac=port_mac2)

+        add_unicast_routing_flow(self.controller, 0x0800, port_ip2, 0, l3_msg.group_id, vrf2)

+        

+        """192.168.1.1->192.168.2.1"""

+        l3_msg=add_l3_unicast_group(self.controller, port, vlanid=vrf1_vlan_id, id=3, src_mac=intf_src_mac, dst_mac=port_mac1)

+        add_unicast_routing_flow(self.controller, 0x0800, port_ip1, 0, l3_msg.group_id, vrf1)

+        l3_msg=add_l3_unicast_group(self.controller, port, vlanid=vrf2_vlan_id, id=4, src_mac=intf_src_mac, dst_mac=port_mac1)

+        add_unicast_routing_flow(self.controller, 0x0800, port_ip1, 0, l3_msg.group_id, vrf2)

+        

+        do_barrier(self.controller)  

+	

+        """send packet to verify on VRF vrf1"""

+        """192.168.1.1->192.168.2.1"""        

+        switch_mac_str = convertMACtoStr(intf_src_mac)

+        port_mac1_str  = convertMACtoStr(port_mac1)

+        port_mac2_str  = convertMACtoStr(port_mac2)

+        ttl=64

+		#send packet

+        parsed_pkt = simple_tcp_packet(pktlen=100, 

+                                       eth_dst=switch_mac_str,

+                                       eth_src=port_mac1_str,

+                                       dl_vlan_enable=True,

+                                       vlan_vid=vrf1_vlan_id,

+                                       ip_ttl=ttl,

+                                       ip_src=port_ip1_str,

+                                       ip_dst=port_ip2_str)

+        pkt=str(parsed_pkt)

+        self.dataplane.send(port, pkt)

+        #build expect packet

+        exp_pkt = simple_tcp_packet(pktlen=100, 

+                                       eth_dst=port_mac2_str,

+                                       eth_src=switch_mac_str,

+                                       dl_vlan_enable=True,

+                                       vlan_vid=vrf1_vlan_id,                                       

+                                       ip_ttl=(ttl-1),

+                                       ip_src=port_ip1_str,

+                                       ip_dst=port_ip2_str)

+        pkt=str(exp_pkt)

+        verify_packet(self, pkt, port)

+        verify_no_other_packets(self)

+

+        """192.168.2.1->192.168.1.1"""

+        parsed_pkt = simple_tcp_packet(pktlen=100, 

+                                       eth_dst=switch_mac_str,

+                                       eth_src=port_mac2_str,

+                                       dl_vlan_enable=True,

+                                       vlan_vid=vrf1_vlan_id,                                       

+                                       ip_ttl=ttl,

+                                       ip_src=port_ip2_str,

+                                       ip_dst=port_ip1_str)

+        pkt=str(parsed_pkt)                                       

+        self.dataplane.send(port, pkt)

+        #build expect packet

+        exp_pkt = simple_tcp_packet(pktlen=100, 

+                                       eth_dst=port_mac1_str,

+                                       eth_src=switch_mac_str,

+                                       dl_vlan_enable=True,

+                                       vlan_vid=vrf1_vlan_id,                                       

+                                       ip_ttl=(ttl-1),

+                                       ip_src=port_ip2_str,

+                                       ip_dst=port_ip1_str)        

+        pkt=str(exp_pkt) 

+        verify_packet(self, pkt, port)

+        verify_no_other_packets(self)    

+       

+		

+        """send packet to verify on VRF vrf2"""

+        """192.168.1.1->192.168.2.1"""        

+        switch_mac_str = convertMACtoStr(intf_src_mac)

+        port_mac1_str  = convertMACtoStr(port_mac1)

+        port_mac2_str  = convertMACtoStr(port_mac2)

+        ttl=64

+		#send packet

+        parsed_pkt = simple_tcp_packet(pktlen=100, 

+                                       eth_dst=switch_mac_str,

+                                       eth_src=port_mac1_str,

+                                       dl_vlan_enable=True,

+                                       vlan_vid=vrf2_vlan_id,

+                                       ip_ttl=ttl,

+                                       ip_src=port_ip1_str,

+                                       ip_dst=port_ip2_str)

+        pkt=str(parsed_pkt)

+        self.dataplane.send(port, pkt)

+        #build expect packet

+        exp_pkt = simple_tcp_packet(pktlen=100, 

+                                       eth_dst=port_mac2_str,

+                                       eth_src=switch_mac_str,

+                                       dl_vlan_enable=True,

+                                       vlan_vid=vrf2_vlan_id,                                       

+                                       ip_ttl=(ttl-1),

+                                       ip_src=port_ip1_str,

+                                       ip_dst=port_ip2_str)

+        pkt=str(exp_pkt)

+        verify_packet(self, pkt, port)

+        verify_no_other_packets(self)

+

+        """192.168.2.1->192.168.1.1"""

+        parsed_pkt = simple_tcp_packet(pktlen=100, 

+                                       eth_dst=switch_mac_str,

+                                       eth_src=port_mac2_str,

+                                       dl_vlan_enable=True,

+                                       vlan_vid=vrf2_vlan_id,                                       

+                                       ip_ttl=ttl,

+                                       ip_src=port_ip2_str,

+                                       ip_dst=port_ip1_str)

+        pkt=str(parsed_pkt)                                       

+        self.dataplane.send(port, pkt)

+        #build expect packet

+        exp_pkt = simple_tcp_packet(pktlen=100, 

+                                       eth_dst=port_mac1_str,

+                                       eth_src=switch_mac_str,

+                                       dl_vlan_enable=True,

+                                       vlan_vid=vrf2_vlan_id,                                       

+                                       ip_ttl=(ttl-1),

+                                       ip_src=port_ip2_str,

+                                       ip_dst=port_ip1_str)        

+        pkt=str(exp_pkt) 

+        verify_packet(self, pkt, port)

+        verify_no_other_packets(self)          

+        

+        

+		  

+                

 class L3UcastECMP(base_tests.SimpleDataPlane):

     """

     Port1(vlan1, 0x00, 0x00, 0x00, 0x22, 0x22, 0x01, 192.168.1.1) ,