diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_nat.py | 131 | ||||
| -rw-r--r-- | test/vpp_papi_provider.py | 48 |
2 files changed, 179 insertions, 0 deletions
diff --git a/test/test_nat.py b/test/test_nat.py index e3b44859f61..7ff3f8517ad 100644 --- a/test/test_nat.py +++ b/test/test_nat.py @@ -6185,5 +6185,136 @@ class TestDSliteCE(MethodHolder): self.logger.info( self.vapi.cli("show dslite b4-tunnel-endpoint-address")) + +class TestNAT66(MethodHolder): + """ NAT66 Test Cases """ + + @classmethod + def setUpClass(cls): + super(TestNAT66, cls).setUpClass() + + try: + cls.nat_addr = 'fd01:ff::2' + cls.nat_addr_n = socket.inet_pton(socket.AF_INET6, cls.nat_addr) + + cls.create_pg_interfaces(range(2)) + cls.interfaces = list(cls.pg_interfaces) + + for i in cls.interfaces: + i.admin_up() + i.config_ip6() + i.configure_ipv6_neighbors() + + except Exception: + super(TestNAT66, cls).tearDownClass() + raise + + def test_static(self): + """ 1:1 NAT66 test """ + self.vapi.nat66_add_del_interface(self.pg0.sw_if_index) + self.vapi.nat66_add_del_interface(self.pg1.sw_if_index, is_inside=0) + self.vapi.nat66_add_del_static_mapping(self.pg0.remote_ip6n, + self.nat_addr_n) + + # in2out + pkts = [] + p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) / + TCP()) + pkts.append(p) + p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) / + UDP()) + pkts.append(p) + p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) / + ICMPv6EchoRequest()) + pkts.append(p) + p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) / + GRE() / IP() / TCP()) + pkts.append(p) + self.pg0.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg1.get_capture(len(pkts)) + for packet in capture: + try: + self.assertEqual(packet[IPv6].src, self.nat_addr) + self.assertEqual(packet[IPv6].dst, self.pg1.remote_ip6) + if packet.haslayer(TCP): + self.check_tcp_checksum(packet) + elif packet.haslayer(UDP): + self.check_udp_checksum(packet) + elif packet.haslayer(ICMPv6EchoRequest): + self.check_icmpv6_checksum(packet) + except: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + + # out2in + pkts = [] + p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IPv6(src=self.pg1.remote_ip6, dst=self.nat_addr) / + TCP()) + pkts.append(p) + p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IPv6(src=self.pg1.remote_ip6, dst=self.nat_addr) / + UDP()) + pkts.append(p) + p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IPv6(src=self.pg1.remote_ip6, dst=self.nat_addr) / + ICMPv6EchoReply()) + pkts.append(p) + p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IPv6(src=self.pg1.remote_ip6, dst=self.nat_addr) / + GRE() / IP() / TCP()) + pkts.append(p) + self.pg1.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg0.get_capture(len(pkts)) + for packet in capture: + try: + self.assertEqual(packet[IPv6].src, self.pg1.remote_ip6) + self.assertEqual(packet[IPv6].dst, self.pg0.remote_ip6) + if packet.haslayer(TCP): + self.check_tcp_checksum(packet) + elif packet.haslayer(UDP): + self.check_udp_checksum(packet) + elif packet.haslayer(ICMPv6EchoReply): + self.check_icmpv6_checksum(packet) + except: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + + sm = self.vapi.nat66_static_mapping_dump() + self.assertEqual(len(sm), 1) + self.assertEqual(sm[0].total_pkts, 8) + + def clear_nat66(self): + """ + Clear NAT66 configuration. + """ + interfaces = self.vapi.nat66_interface_dump() + for intf in interfaces: + self.vapi.nat66_add_del_interface(intf.sw_if_index, + intf.is_inside, + is_add=0) + + static_mappings = self.vapi.nat66_static_mapping_dump() + for sm in static_mappings: + self.vapi.nat66_add_del_static_mapping(sm.local_ip_address, + sm.external_ip_address, + sm.vrf_id, + is_add=0) + + def tearDown(self): + super(TestNAT66, self).tearDown() + if not self.vpp_dead: + self.logger.info(self.vapi.cli("show nat66 interfaces")) + self.logger.info(self.vapi.cli("show nat66 static mappings")) + self.clear_nat66() + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py index b791444fdcd..0269736cd78 100644 --- a/test/vpp_papi_provider.py +++ b/test/vpp_papi_provider.py @@ -1860,6 +1860,54 @@ class VppPapiProvider(object): 'end_addr': end_addr, 'is_add': is_add}) + def nat66_add_del_interface( + self, + sw_if_index, + is_inside=1, + is_add=1): + """Enable/disable NAT66 feature on the interface + :param sw_if_index: Index of the interface + :param is_inside: 1 if inside, 0 if outside (Default value = 1) + :param is_add: 1 if add, 0 if delete (Default value = 1) + """ + return self.api( + self.papi.nat66_add_del_interface, + {'sw_if_index': sw_if_index, + 'is_inside': is_inside, + 'is_add': is_add}) + + def nat66_add_del_static_mapping( + self, + in_ip, + out_ip, + vrf_id=0, + is_add=1): + """Add/delete NAT66 static mapping + + :param in_ip: Inside IPv6 address + :param out_ip: Outside IPv6 address + :param vrf_id: VRF ID (Default value = 0) + :param is_add: 1 if add, 0 if delete (Default value = 1) + """ + return self.api( + self.papi.nat66_add_del_static_mapping, + {'local_ip_address': in_ip, + 'external_ip_address': out_ip, + 'vrf_id': vrf_id, + 'is_add': is_add}) + + def nat66_interface_dump(self): + """Dump interfaces with NAT66 feature + :return: Dictionary of interfaces with NAT66 feature + """ + return self.api(self.papi.nat66_interface_dump, {}) + + def nat66_static_mapping_dump(self): + """Dump NAT66 static mappings + :return: Dictionary of NAT66 static mappings + """ + return self.api(self.papi.nat66_static_mapping_dump, {}) + def control_ping(self): self.api(self.papi.control_ping) |