| """ | |
| Flow Test | |
| Test each flow table can set entry, and packet rx correctly. | |
| """ | |
| import logging | |
| from oftest import config | |
| import oftest.base_tests as base_tests | |
| import ofp | |
| from oftest.testutils import * | |
| from accton_util import * | |
| class L2McastFlow(base_tests.SimpleDataPlane): | |
| """ | |
| Test output function for an exact-match flow | |
| Add some multicast flows | |
| Then, for all ports, verifies that sending a matching packet | |
| to a multicast match results in an output to all ports. | |
| """ | |
| def runTest(self): | |
| ports = sorted(config["port_map"].keys()) | |
| delete_all_flows(self.controller) | |
| delete_all_groups(self.controller) | |
| # table 10: vlan | |
| # send to table 20 | |
| add_vlan_table_flow(self.controller, config["port_map"].keys(), 1) | |
| # group table | |
| # set up untag groups for each port | |
| add_l2_interface_grouop(self.controller, config["port_map"].keys(), 1, False, False) | |
| # set up multicast group | |
| add_l2_mcast_group(self.controller, config["port_map"].keys(), 1, 1) | |
| test_macs = [[0x01, 0x00, 0x5e, 0xff, 0xff, 0xff]] | |
| for test_mac in test_macs: | |
| group_id = encode_l2_mcast_group_id(1, 1) | |
| add_bridge_flow(self.controller, test_mac, 1, group_id, True) | |
| for test_mac in test_macs: | |
| mactest = ':'.join(['%02X' % x for x in test_mac]) | |
| for in_port in ports: | |
| # change dest based on port number | |
| parsed_pkt = simple_tcp_packet(eth_dst=mactest) | |
| pkt = str(parsed_pkt) | |
| logging.info("OutputExact test, from port %d to mac %s", in_port, mactest) | |
| self.dataplane.send(in_port, pkt) | |
| for ofport in ports: | |
| if ofport == in_port: #tx port won't rx packet, unless L3 mcast routing | |
| continue | |
| verify_packet(self, pkt, ofport) | |
| verify_no_other_packets(self) | |
| class L2UnicastFlow(base_tests.SimpleDataPlane): | |
| """ | |
| Test output function for an exact-match flow | |
| For each port A, adds a flow directing matching packets to that port. | |
| Then, for all other ports B != A, verifies that sending a matching packet | |
| to B results in an output to A. | |
| """ | |
| def runTest(self): | |
| ports = sorted(config["port_map"].keys()) | |
| delete_all_flows(self.controller) | |
| delete_all_groups(self.controller) | |
| # table 10: vlan | |
| # send to table 20 | |
| add_vlan_table_flow(self.controller, config["port_map"].keys(), 1) | |
| # group table | |
| # set up untag groups for each port | |
| add_l2_interface_grouop(self.controller, config["port_map"].keys(), 1, False, 1) | |
| for out_port in ports: | |
| group_id = encode_l2_interface_group_id(1, out_port) | |
| add_bridge_flow(self.controller, [0x00, 0x12, 0x34, 0x56, 0x78, out_port], 1, group_id, True) | |
| for in_port in ports: | |
| if in_port == out_port: | |
| continue | |
| # change dest based on port number | |
| parsed_pkt = simple_tcp_packet(eth_dst='00:12:34:56:78:%02X' % out_port) | |
| 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) | |
| class L2Flood(base_tests.SimpleDataPlane): | |
| """ | |
| Test L2 unknown unicast flooding and broadcast flood | |
| """ | |
| def runTest(self): | |
| ports = sorted(config["port_map"].keys()) | |
| delete_all_flows(self.controller) | |
| delete_all_groups(self.controller) | |
| # table 10: vlan | |
| # send to table 20 | |
| add_vlan_table_flow(self.controller, ports, 1) | |
| # group table | |
| # set up untag groups for each port | |
| add_l2_interface_grouop(self.controller, ports, 1, False, 1) | |
| input_port = ports.pop() | |
| flood_ports= ports | |
| print "flood_ports %s"%flood_ports | |
| print "input_port %s"%input_port | |
| #no fllod group create, veriy all drop | |
| parsed_pkt = simple_tcp_packet(eth_dst='00:12:34:56:78:9a') | |
| pkt = str(parsed_pkt) | |
| self.dataplane.send(input_port, pkt) | |
| verify_no_other_packets(self) | |
| parsed_pkt = simple_tcp_packet(eth_dst='FF:FF:FF:FF:FF:FF') | |
| pkt = str(parsed_pkt) | |
| self.dataplane.send(input_port, pkt) | |
| verify_no_other_packets(self) | |
| #add flood groupo | |
| msg=add_l2_flood_group(self.controller, flood_ports, 1, 1) | |
| add_bridge_flow(self.controller, None, 1, msg.group_id, True) | |
| #verify flood | |
| parsed_pkt = simple_tcp_packet(eth_dst='00:12:34:56:78:9a') | |
| pkt = str(parsed_pkt) | |
| self.dataplane.send(input_port, pkt) | |
| for ofport in flood_ports: | |
| verify_packet(self, pkt, ofport) | |
| verify_no_other_packets(self) | |
| for ofport in flood_ports: | |
| self.dataplane.send(ofport, pkt) | |
| verify_no_packet(self, pkt, ofport) | |
| verify_no_other_packets(self) | |
| parsed_pkt = simple_tcp_packet(eth_dst='FF:FF:FF:FF:FF:FF') | |
| pkt = str(parsed_pkt) | |
| self.dataplane.send(input_port, pkt) | |
| for ofport in flood_ports: | |
| verify_packet(self, pkt, ofport) | |
| class PacketInMiss(base_tests.SimpleDataPlane): | |
| """ | |
| Test packet in function for a table-miss flow | |
| Send a packet to each dataplane port and verify that a packet | |
| in message is received from the controller for each | |
| NOTE: Verify This case the oft option shall not use --switch-ip | |
| """ | |
| def runTest(self): | |
| delete_all_flows(self.controller) | |
| delete_all_groups(self.controller) | |
| parsed_pkt = simple_tcp_packet(pktlen=100) | |
| parsed_vlan_pkt = simple_tcp_packet(pktlen=104, | |
| vlan_vid=0x1001, dl_vlan_enable=True) | |
| pkt = str(parsed_pkt) | |
| vlan_pkt = str(parsed_vlan_pkt) | |
| # table 10: vlan | |
| # send to table 20 | |
| add_vlan_table_flow(self.controller, config["port_map"].keys(), 1) | |
| # group table | |
| # set up untag groups for each port | |
| add_l2_interface_grouop(self.controller, config["port_map"].keys(), 1, False, 1) | |
| # create match | |
| match = ofp.match() | |
| match.oxm_list.append(ofp.oxm.vlan_vid(0x1001)) | |
| request = ofp.message.flow_add( | |
| table_id=60, | |
| cookie=42, | |
| match=match, | |
| instructions=[ | |
| ofp.instruction.apply_actions( | |
| actions=[ | |
| ofp.action.output( | |
| port=ofp.OFPP_CONTROLLER, | |
| max_len=ofp.OFPCML_NO_BUFFER)]), | |
| ], | |
| buffer_id=ofp.OFP_NO_BUFFER, | |
| priority=1) | |
| logging.info("Inserting packet in flow to controller") | |
| self.controller.message_send(request) | |
| do_barrier(self.controller) | |
| for of_port in config["port_map"].keys(): | |
| logging.info("PacketInMiss test, port %d", of_port) | |
| self.dataplane.send(of_port, pkt) | |
| #AOS current packet in will not have vlan tag | |
| if config["cicada_poject"]: | |
| verify_packet_in(self, vlan_pkt, of_port, ofp.OFPR_ACTION) | |
| else: | |
| verify_packet_in(self, pkt, of_port, ofp.OFPR_ACTION) | |
| verify_no_other_packets(self) | |
| class PacketOut(base_tests.SimpleDataPlane): | |
| """ | |
| Verify action Flood, ALL, in port | |
| """ | |
| def runTest(self): | |
| if config["cicada_poject"]: | |
| pass | |
| delete_all_flows(self.controller) | |
| delete_all_groups(self.controller) | |
| parsed_pkt = simple_tcp_packet(pktlen=100) | |
| parsed_vlan_pkt = simple_tcp_packet(pktlen=104, | |
| vlan_vid=0x1002, dl_vlan_enable=True) | |
| pkt = str(parsed_pkt) | |
| vlan_pkt = str(parsed_vlan_pkt) | |
| #packet out flood, untag packet | |
| self.controller.message_send(ofp.message.packet_out(in_port=ofp.OFPP_CONTROLLER, | |
| buffer_id=ofp.OFP_NO_BUFFER, | |
| actions=[ofp.action.output( | |
| port=ofp.OFPP_FLOOD)], | |
| data=pkt)) | |
| for of_port in config["port_map"].keys(): | |
| verify_packet(self, pkt, of_port) | |
| verify_no_other_packets(self) | |
| #packet out flood, tag packet, because it can't identify vlan has which port | |
| #so we do as all action. | |
| self.controller.message_send(ofp.message.packet_out(in_port=ofp.OFPP_CONTROLLER, | |
| buffer_id=ofp.OFP_NO_BUFFER, | |
| actions=[ofp.action.output( | |
| port=ofp.OFPP_FLOOD)], | |
| data=vlan_pkt)) | |
| for of_port in config["port_map"].keys(): | |
| verify_packet(self, vlan_pkt, of_port) | |
| verify_no_other_packets(self) | |
| #packet out all | |
| self.controller.message_send(ofp.message.packet_out(in_port=ofp.OFPP_CONTROLLER, | |
| buffer_id=ofp.OFP_NO_BUFFER, | |
| actions=[ofp.action.output( | |
| port=ofp.OFPP_FLOOD)], | |
| data=pkt)) | |
| for of_port in config["port_map"].keys(): | |
| verify_packet(self, pkt, of_port) | |
| verify_no_other_packets(self) | |
| #packet out to in port | |
| in_port = config["port_map"].keys()[0] | |
| self.controller.message_send(ofp.message.packet_out(in_port=in_port, | |
| buffer_id=ofp.OFP_NO_BUFFER, | |
| actions=[ofp.action.output( | |
| port=in_port)], | |
| data=pkt)) | |
| verify_packet(self, pkt, in_port) | |
| verify_no_other_packets(self) | |
| class L3UcastRoute(base_tests.SimpleDataPlane): | |
| """ | |
| Port1(vlan1, 0x00, 0x00, 0x00, 0x22, 0x22, 0x01, 192.168.1.1) , | |
| Port2(vlan2, 0x00, 0x00, 0x00, 0x22, 0x22, 0x02, 19.168.2.1) | |
| """ | |
| def runTest(self): | |
| delete_all_flows(self.controller) | |
| delete_all_groups(self.controller) | |
| if len(config["port_map"]) <2: | |
| logging.info("Port count less than 2, can't run this case") | |
| return | |
| vlan_id=1 | |
| intf_src_mac=[0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc] | |
| dst_mac=[0x00, 0x00, 0x00, 0x22, 0x22, 0x00] | |
| dip=0xc0a80001 | |
| for port in config["port_map"].keys(): | |
| #add l2 interface group | |
| add_one_l2_interface_grouop(self.controller, port, vlan_id=vlan_id, is_tagged=False, send_barrier=False) | |
| dst_mac[5]=vlan_id | |
| l3_msg=add_l3_unicast_group(self.controller, port, vlanid=vlan_id, id=vlan_id, src_mac=intf_src_mac, dst_mac=dst_mac) | |
| #add vlan flow table | |
| add_one_vlan_table_flow(self.controller, port, vlan_id, flag=VLAN_TABLE_FLAG_ONLY_BOTH) | |
| #add termination flow | |
| add_termination_flow(self.controller, port, 0x0800, intf_src_mac, vlan_id) | |
| #add unicast routing flow | |
| dst_ip = dip + (vlan_id<<8) | |
| add_unicast_routing_flow(self.controller, 0x0800, dst_ip, 0, l3_msg.group_id) | |
| vlan_id += 1 | |
| do_barrier(self.controller) | |
| port1=config["port_map"].keys()[0] | |
| port2=config["port_map"].keys()[1] | |
| #port 1 to port 2 | |
| switch_mac = ':'.join(['%02X' % x for x in intf_src_mac]) | |
| dst_mac[5]=1 | |
| port1_mac=':'.join(['%02X' % x for x in dst_mac]) | |
| parsed_pkt = simple_tcp_packet(pktlen=100, | |
| eth_dst=switch_mac, | |
| eth_src=port1_mac, | |
| ip_ttl=64, | |
| ip_src="192.168.1.1", | |
| ip_dst='192.168.2.1') | |
| pkt=str(parsed_pkt) | |
| self.dataplane.send(port1, pkt) | |
| #build expect packet | |
| dst_mac[5]=2 | |
| port2_mac=':'.join(['%02X' % x for x in dst_mac]) | |
| exp_pkt = simple_tcp_packet(pktlen=100, | |
| eth_dst=port2_mac, | |
| eth_src=switch_mac, | |
| ip_ttl=63, | |
| ip_src="192.168.1.1", | |
| ip_dst='192.168.2.1') | |
| pkt=str(exp_pkt) | |
| verify_packet(self, pkt, port2) | |
| verify_no_other_packets(self) | |
| #port 2 to port 1 | |
| switch_mac = ':'.join(['%02X' % x for x in intf_src_mac]) | |
| dst_mac[5]=2 | |
| port2_mac=':'.join(['%02X' % x for x in dst_mac]) | |
| parsed_pkt = simple_tcp_packet(pktlen=100, | |
| eth_dst=switch_mac, | |
| eth_src=port2_mac, | |
| ip_ttl=64, | |
| ip_src="192.168.2.1", | |
| ip_dst='192.168.1.1') | |
| pkt=str(parsed_pkt) | |
| self.dataplane.send(port2, pkt) | |
| #build expect packet | |
| dst_mac[5]=1 | |
| port1_mac=':'.join(['%02X' % x for x in dst_mac]) | |
| exp_pkt = simple_tcp_packet(pktlen=100, | |
| eth_dst=port1_mac, | |
| eth_src=switch_mac, | |
| ip_ttl=63, | |
| ip_src="192.168.2.1", | |
| ip_dst='192.168.1.1') | |
| pkt=str(exp_pkt) | |
| verify_packet(self, pkt, port1) | |
| verify_no_other_packets(self) | |
| class L3UcastECMP(base_tests.SimpleDataPlane): | |
| """ | |
| Port1(vlan1, 0x00, 0x00, 0x00, 0x22, 0x22, 0x01, 192.168.1.1) , | |
| Port2(vlan2, 0x00, 0x00, 0x00, 0x22, 0x22, 0x02, 19.168.2.1) | |
| """ | |
| def runTest(self): | |
| delete_all_flows(self.controller) | |
| delete_all_groups(self.controller) | |
| if len(config["port_map"]) <2: | |
| logging.info("Port count less than 2, can't run this case") | |
| return | |
| vlan_id=1 | |
| intf_src_mac=[0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc] | |
| dst_mac=[0x00, 0x00, 0x00, 0x22, 0x22, 0x00] | |
| dip=0xc0a80001 | |
| for port in config["port_map"].keys(): | |
| #add l2 interface group | |
| add_one_l2_interface_grouop(self.controller, port, vlan_id=vlan_id, is_tagged=False, send_barrier=False) | |
| dst_mac[5]=vlan_id | |
| l3_msg=add_l3_unicast_group(self.controller, port, vlanid=vlan_id, id=vlan_id, src_mac=intf_src_mac, dst_mac=dst_mac) | |
| ecmp_msg=add_l3_ecmp_group(self.controller, vlan_id, [l3_msg.group_id]) | |
| #add vlan flow table | |
| add_one_vlan_table_flow(self.controller, port, vlan_id, flag=VLAN_TABLE_FLAG_ONLY_BOTH) | |
| #add termination flow | |
| add_termination_flow(self.controller, port, 0x0800, intf_src_mac, vlan_id) | |
| #add unicast routing flow | |
| dst_ip = dip + (vlan_id<<8) | |
| #ECMP shall have prefix not 32 | |
| add_unicast_routing_flow(self.controller, 0x0800, dst_ip, 0xffffff00, ecmp_msg.group_id) | |
| vlan_id += 1 | |
| do_barrier(self.controller) | |
| port1=config["port_map"].keys()[0] | |
| port2=config["port_map"].keys()[1] | |
| #port 1 to port 2 | |
| switch_mac = ':'.join(['%02X' % x for x in intf_src_mac]) | |
| dst_mac[5]=1 | |
| port1_mac=':'.join(['%02X' % x for x in dst_mac]) | |
| parsed_pkt = simple_tcp_packet(pktlen=100, | |
| eth_dst=switch_mac, | |
| eth_src=port1_mac, | |
| ip_ttl=64, | |
| ip_src="192.168.1.1", | |
| ip_dst='192.168.2.1') | |
| pkt=str(parsed_pkt) | |
| self.dataplane.send(port1, pkt) | |
| #build expect packet | |
| dst_mac[5]=2 | |
| port2_mac=':'.join(['%02X' % x for x in dst_mac]) | |
| exp_pkt = simple_tcp_packet(pktlen=100, | |
| eth_dst=port2_mac, | |
| eth_src=switch_mac, | |
| ip_ttl=63, | |
| ip_src="192.168.1.1", | |
| ip_dst='192.168.2.1') | |
| pkt=str(exp_pkt) | |
| verify_packet(self, pkt, port2) | |
| verify_no_other_packets(self) | |
| #port 2 to port 1 | |
| switch_mac = ':'.join(['%02X' % x for x in intf_src_mac]) | |
| dst_mac[5]=2 | |
| port2_mac=':'.join(['%02X' % x for x in dst_mac]) | |
| parsed_pkt = simple_tcp_packet(pktlen=100, | |
| eth_dst=switch_mac, | |
| eth_src=port2_mac, | |
| ip_ttl=64, | |
| ip_src="192.168.2.1", | |
| ip_dst='192.168.1.1') | |
| pkt=str(parsed_pkt) | |
| self.dataplane.send(port2, pkt) | |
| #build expect packet | |
| dst_mac[5]=1 | |
| port1_mac=':'.join(['%02X' % x for x in dst_mac]) | |
| exp_pkt = simple_tcp_packet(pktlen=100, | |
| eth_dst=port1_mac, | |
| eth_src=switch_mac, | |
| ip_ttl=63, | |
| ip_src="192.168.2.1", | |
| ip_dst='192.168.1.1') | |
| pkt=str(exp_pkt) | |
| verify_packet(self, pkt, port1) | |
| verify_no_other_packets(self) | |
| class L3McastRoute1(base_tests.SimpleDataPlane): | |
| """ | |
| Mcast routing, From VLAN 1 to VLAN 2 | |
| """ | |
| def runTest(self): | |
| """ | |
| port1 (vlan 1)-> port 2 (vlan 2) | |
| """ | |
| delete_all_flows(self.controller) | |
| delete_all_groups(self.controller) | |
| if len(config["port_map"]) <2: | |
| logging.info("Port count less than 2, can't run this case") | |
| return | |
| vlan_id =1 | |
| out_vlan=2 | |
| in_vlan=1 #macast group vid shall use input vlan diffe from l3 interface use output vlan | |
| intf_src_mac=[0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc] | |
| intf_src_mac_str=':'.join(['%02X' % x for x in intf_src_mac]) | |
| dst_mac=[0x01, 0x00, 0x5e, 0x01, 0x01, 0x01] | |
| dst_mac_str=':'.join(['%02X' % x for x in dst_mac]) | |
| port1_mac=[0x00, 0x11, 0x11, 0x11, 0x11, 0x11] | |
| port1_mac_str=':'.join(['%02X' % x for x in port1_mac]) | |
| src_ip=0xc0a80101 | |
| src_ip_str="192.168.1.1" | |
| dst_ip=0xe0010101 | |
| dst_ip_str="224.1.1.1" | |
| port1=config["port_map"].keys()[0] | |
| port2=config["port_map"].keys()[1] | |
| #add l2 interface group | |
| for port in config["port_map"].keys(): | |
| add_one_l2_interface_grouop(self.controller, port, vlan_id=vlan_id, is_tagged=False, send_barrier=False) | |
| #add vlan flow table | |
| add_one_vlan_table_flow(self.controller, port, vlan_id, flag=VLAN_TABLE_FLAG_ONLY_BOTH) | |
| vlan_id +=1 | |
| #add termination flow | |
| add_termination_flow(self.controller, port1, 0x0800, [0x01, 0x00, 0x5e, 0x00, 0x00, 0x00], vlan_id) | |
| #add l3 interface group | |
| port2_ucast_msg=add_l3_interface_group(self.controller, port2, out_vlan, 2, intf_src_mac) | |
| mcat_group_msg=add_l3_mcast_group(self.controller, in_vlan, 2, [port2_ucast_msg.group_id]) | |
| add_mcast4_routing_flow(self.controller, in_vlan, src_ip, 0, dst_ip, mcat_group_msg.group_id) | |
| parsed_pkt = simple_udp_packet(pktlen=100, | |
| eth_dst=dst_mac_str, | |
| eth_src=port1_mac_str, | |
| ip_ttl=64, | |
| ip_src=src_ip_str, | |
| ip_dst=dst_ip_str) | |
| pkt=str(parsed_pkt) | |
| self.dataplane.send(port1, pkt) | |
| parsed_pkt = simple_udp_packet(pktlen=100, | |
| eth_dst=dst_mac_str, | |
| eth_src=intf_src_mac_str, | |
| ip_ttl=63, | |
| ip_src=src_ip_str, | |
| ip_dst=dst_ip_str) | |
| pkt=str(parsed_pkt) | |
| verify_packet(self, pkt, port2) | |
| verify_no_other_packets(self) | |
| class L3McastRoute2(base_tests.SimpleDataPlane): | |
| """ | |
| Mcast routing, From VLAN 1 to VLAN 2 | |
| """ | |
| def runTest(self): | |
| """ | |
| port1 (vlan 1)-> port 2 (vlan 1) | |
| """ | |
| delete_all_flows(self.controller) | |
| delete_all_groups(self.controller) | |
| if len(config["port_map"]) <2: | |
| logging.info("Port count less than 2, can't run this case") | |
| return | |
| vlan_id =1 | |
| intf_src_mac=[0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc] | |
| intf_src_mac_str=':'.join(['%02X' % x for x in intf_src_mac]) | |
| dst_mac=[0x01, 0x00, 0x5e, 0x01, 0x01, 0x01] | |
| dst_mac_str=':'.join(['%02X' % x for x in dst_mac]) | |
| port1_mac=[0x00, 0x11, 0x11, 0x11, 0x11, 0x11] | |
| port1_mac_str=':'.join(['%02X' % x for x in port1_mac]) | |
| src_ip=0xc0a80101 | |
| src_ip_str="192.168.1.1" | |
| dst_ip=0xe0010101 | |
| dst_ip_str="224.1.1.1" | |
| port1=config["port_map"].keys()[0] | |
| port2=config["port_map"].keys()[1] | |
| #add l2 interface group | |
| l2_intf_group_list=[] | |
| for port in config["port_map"].keys(): | |
| l2_intf_gid, msg=add_one_l2_interface_grouop(self.controller, port, vlan_id=vlan_id, is_tagged=False, send_barrier=False) | |
| l2_intf_group_list.append(l2_intf_gid) | |
| #add vlan flow table | |
| add_one_vlan_table_flow(self.controller, port, vlan_id, flag=VLAN_TABLE_FLAG_ONLY_BOTH) | |
| #add termination flow | |
| add_termination_flow(self.controller, port1, 0x0800, [0x01, 0x00, 0x5e, 0x00, 0x00, 0x00], vlan_id) | |
| #add l3 interface group | |
| mcat_group_msg=add_l3_mcast_group(self.controller, vlan_id, 2, l2_intf_group_list) | |
| add_mcast4_routing_flow(self.controller, vlan_id, src_ip, 0, dst_ip, mcat_group_msg.group_id) | |
| parsed_pkt = simple_udp_packet(pktlen=100, | |
| eth_dst=dst_mac_str, | |
| eth_src=port1_mac_str, | |
| ip_ttl=64, | |
| ip_src=src_ip_str, | |
| ip_dst=dst_ip_str) | |
| pkt=str(parsed_pkt) | |
| self.dataplane.send(port1, pkt) | |
| verify_packet(self, pkt, port2) | |
| verify_no_other_packets(self) | |