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API: Cleanup APIs interface.api
[vpp.git] / test / test_nat.py
diff --git a/test/test_nat.py b/test/test_nat.py
index 1ccaf32..69a18f8 100644 (file)
--- a/test/test_nat.py
+++ b/test/test_nat.py
@@ -6,6 +6,8 @@ import struct
 import random
 
 from framework import VppTestCase, VppTestRunner, running_extended_tests
+
+import scapy.compat
 from scapy.layers.inet import IP, TCP, UDP, ICMP
 from scapy.layers.inet import IPerror, TCPerror, UDPerror, ICMPerror
 from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6EchoReply, \
@@ -24,6 +26,7 @@ from syslog_rfc5424_parser.constants import SyslogFacility, SyslogSeverity
 from vpp_papi_provider import SYSLOG_SEVERITY
 from io import BytesIO
 from vpp_papi import VppEnum
+from vpp_ip import VppIpAddress, VppIpPrefix
 from scapy.all import bind_layers, Packet, ByteEnumField, ShortField, \
     IPField, IntField, LongField, XByteField, FlagsField, FieldLenField, \
     PacketListField
@@ -62,7 +65,7 @@ class HANATStateSync(Packet):
                    IntField("sequence_number", 1),
                    IntField("thread_index", 0),
                    PacketListField("events", [], Event,
-                                   count_from=lambda pkt:pkt.count)]
+                                   count_from=lambda pkt: pkt.count)]
 
 
 class MethodHolder(VppTestCase):
@@ -320,7 +323,8 @@ class MethodHolder(VppTestCase):
             pref_n[13] = ip4_n[1]
             pref_n[14] = ip4_n[2]
             pref_n[15] = ip4_n[3]
-        return socket.inet_ntop(socket.AF_INET6, ''.join(pref_n))
+        packed_pref_n = b''.join([scapy.compat.chb(x) for x in pref_n])
+        return socket.inet_ntop(socket.AF_INET6, packed_pref_n)
 
     def extract_ip4(self, ip6, plen):
         """
@@ -689,8 +693,8 @@ class MethodHolder(VppTestCase):
             p = (IP(src=src_if.remote_ip4, dst=dst) /
                  TCP(sport=sport, dport=dport) /
                  Raw(data))
-            p = p.__class__(str(p))
-            chksum = p['TCP'].chksum
+            p = p.__class__(scapy.compat.raw(p))
+            chksum = p[TCP].chksum
             proto_header = TCP(sport=sport, dport=dport, chksum=chksum)
         elif proto == IP_PROTOS.udp:
             proto_header = UDP(sport=sport, dport=dport)
@@ -869,8 +873,8 @@ class MethodHolder(VppTestCase):
         self.assertEqual(6, len(data))
         for record in data:
             # natEvent
-            self.assertIn(ord(record[230]), [4, 5])
-            if ord(record[230]) == 4:
+            self.assertIn(scapy.compat.orb(record[230]), [4, 5])
+            if scapy.compat.orb(record[230]) == 4:
                 nat44_ses_create_num += 1
             else:
                 nat44_ses_delete_num += 1
@@ -882,16 +886,16 @@ class MethodHolder(VppTestCase):
             # ingressVRFID
             self.assertEqual(struct.pack("!I", 0), record[234])
             # protocolIdentifier/sourceTransportPort/postNAPTSourceTransportPort
-            if IP_PROTOS.icmp == ord(record[4]):
+            if IP_PROTOS.icmp == scapy.compat.orb(record[4]):
                 self.assertEqual(struct.pack("!H", self.icmp_id_in), record[7])
                 self.assertEqual(struct.pack("!H", self.icmp_id_out),
                                  record[227])
-            elif IP_PROTOS.tcp == ord(record[4]):
+            elif IP_PROTOS.tcp == scapy.compat.orb(record[4]):
                 self.assertEqual(struct.pack("!H", self.tcp_port_in),
                                  record[7])
                 self.assertEqual(struct.pack("!H", self.tcp_port_out),
                                  record[227])
-            elif IP_PROTOS.udp == ord(record[4]):
+            elif IP_PROTOS.udp == scapy.compat.orb(record[4]):
                 self.assertEqual(struct.pack("!H", self.udp_port_in),
                                  record[7])
                 self.assertEqual(struct.pack("!H", self.udp_port_out),
@@ -910,7 +914,7 @@ class MethodHolder(VppTestCase):
         self.assertEqual(1, len(data))
         record = data[0]
         # natEvent
-        self.assertEqual(ord(record[230]), 3)
+        self.assertEqual(scapy.compat.orb(record[230]), 3)
         # natPoolID
         self.assertEqual(struct.pack("!I", 0), record[283])
 
@@ -924,7 +928,7 @@ class MethodHolder(VppTestCase):
         self.assertEqual(1, len(data))
         record = data[0]
         # natEvent
-        self.assertEqual(ord(record[230]), 13)
+        self.assertEqual(scapy.compat.orb(record[230]), 13)
         # natQuotaExceededEvent
         self.assertEqual(struct.pack("I", 1), record[466])
         # maxSessionEntries
@@ -940,7 +944,7 @@ class MethodHolder(VppTestCase):
         self.assertEqual(1, len(data))
         record = data[0]
         # natEvent
-        self.assertEqual(ord(record[230]), 13)
+        self.assertEqual(scapy.compat.orb(record[230]), 13)
         # natQuotaExceededEvent
         self.assertEqual(struct.pack("I", 2), record[466])
         # maxBIBEntries
@@ -957,7 +961,7 @@ class MethodHolder(VppTestCase):
         self.assertEqual(1, len(data))
         record = data[0]
         # natEvent
-        self.assertEqual(ord(record[230]), 13)
+        self.assertEqual(scapy.compat.orb(record[230]), 13)
         # natQuotaExceededEvent
         self.assertEqual(struct.pack("I", 5), record[466])
         # maxFragmentsPendingReassembly
@@ -976,7 +980,7 @@ class MethodHolder(VppTestCase):
         self.assertEqual(1, len(data))
         record = data[0]
         # natEvent
-        self.assertEqual(ord(record[230]), 13)
+        self.assertEqual(scapy.compat.orb(record[230]), 13)
         # natQuotaExceededEvent
         self.assertEqual(struct.pack("I", 5), record[466])
         # maxFragmentsPendingReassembly
@@ -996,15 +1000,15 @@ class MethodHolder(VppTestCase):
         record = data[0]
         # natEvent
         if is_create:
-            self.assertEqual(ord(record[230]), 10)
+            self.assertEqual(scapy.compat.orb(record[230]), 10)
         else:
-            self.assertEqual(ord(record[230]), 11)
+            self.assertEqual(scapy.compat.orb(record[230]), 11)
         # sourceIPv6Address
         self.assertEqual(src_addr, record[27])
         # postNATSourceIPv4Address
         self.assertEqual(self.nat_addr_n, record[225])
         # protocolIdentifier
-        self.assertEqual(IP_PROTOS.tcp, ord(record[4]))
+        self.assertEqual(IP_PROTOS.tcp, scapy.compat.orb(record[4]))
         # ingressVRFID
         self.assertEqual(struct.pack("!I", 0), record[234])
         # sourceTransportPort
@@ -1027,9 +1031,9 @@ class MethodHolder(VppTestCase):
         record = data[0]
         # natEvent
         if is_create:
-            self.assertEqual(ord(record[230]), 6)
+            self.assertEqual(scapy.compat.orb(record[230]), 6)
         else:
-            self.assertEqual(ord(record[230]), 7)
+            self.assertEqual(scapy.compat.orb(record[230]), 7)
         # sourceIPv6Address
         self.assertEqual(src_addr, record[27])
         # destinationIPv6Address
@@ -1044,7 +1048,7 @@ class MethodHolder(VppTestCase):
         self.assertEqual(socket.inet_pton(socket.AF_INET, dst_addr),
                          record[226])
         # protocolIdentifier
-        self.assertEqual(IP_PROTOS.tcp, ord(record[4]))
+        self.assertEqual(IP_PROTOS.tcp, scapy.compat.orb(record[4]))
         # ingressVRFID
         self.assertEqual(struct.pack("!I", 0), record[234])
         # sourceTransportPort
@@ -1076,7 +1080,7 @@ class MethodHolder(VppTestCase):
         self.assertEqual(1, len(data))
         record = data[0]
         # natEvent
-        self.assertEqual(ord(record[230]), 13)
+        self.assertEqual(scapy.compat.orb(record[230]), 13)
         # natQuotaExceededEvent
         self.assertEqual(struct.pack("I", 3), record[466])
         # maxEntriesPerUser
@@ -1167,9 +1171,9 @@ class MethodHolder(VppTestCase):
         layer = self.proto2layer(proto)
 
         if proto == IP_PROTOS.tcp:
-            data = "A" * 4 + "B" * 16 + "C" * 3
+            data = b"A" * 4 + b"B" * 16 + b"C" * 3
         else:
-            data = "A" * 16 + "B" * 16 + "C" * 3
+            data = b"A" * 16 + b"B" * 16 + b"C" * 3
         self.port_in = random.randint(1025, 65535)
 
         reass = self.vapi.nat_reass_dump()
@@ -1248,9 +1252,9 @@ class MethodHolder(VppTestCase):
         layer = self.proto2layer(proto)
 
         if proto == IP_PROTOS.tcp:
-            data = "A" * 4 + "B" * 16 + "C" * 3
+            data = b"A" * 4 + b"B" * 16 + b"C" * 3
         else:
-            data = "A" * 16 + "B" * 16 + "C" * 3
+            data = b"A" * 16 + b"B" * 16 + b"C" * 3
         self.port_in = random.randint(1025, 65535)
 
         for i in range(2):
@@ -1317,9 +1321,9 @@ class MethodHolder(VppTestCase):
         layer = self.proto2layer(proto)
 
         if proto == IP_PROTOS.tcp:
-            data = "A" * 4 + "B" * 16 + "C" * 3
+            data = b"A" * 4 + b"B" * 16 + b"C" * 3
         else:
-            data = "A" * 16 + "B" * 16 + "C" * 3
+            data = b"A" * 16 + b"B" * 16 + b"C" * 3
 
         # send packet from host to server
         pkts = self.create_stream_frag(self.pg0,
@@ -1346,9 +1350,9 @@ class MethodHolder(VppTestCase):
         layer = self.proto2layer(proto)
 
         if proto == IP_PROTOS.tcp:
-            data = "A" * 4 + "B" * 16 + "C" * 3
+            data = b"A" * 4 + b"B" * 16 + b"C" * 3
         else:
-            data = "A" * 16 + "B" * 16 + "C" * 3
+            data = b"A" * 16 + b"B" * 16 + b"C" * 3
         self.port_in = random.randint(1025, 65535)
 
         for i in range(2):
@@ -1422,9 +1426,9 @@ class MethodHolder(VppTestCase):
         layer = self.proto2layer(proto)
 
         if proto == IP_PROTOS.tcp:
-            data = "A" * 4 + "B" * 16 + "C" * 3
+            data = b"A" * 4 + b"B" * 16 + b"C" * 3
         else:
-            data = "A" * 16 + "B" * 16 + "C" * 3
+            data = b"A" * 16 + b"B" * 16 + b"C" * 3
         self.port_in = random.randint(1025, 65535)
 
         for i in range(2):
@@ -1520,19 +1524,19 @@ class TestNAT44(MethodHolder):
             cls.pg1.configure_ipv4_neighbors()
 
             cls.overlapping_interfaces = list(list(cls.pg_interfaces[4:7]))
-            cls.vapi.ip_table_add_del(10, is_add=1)
-            cls.vapi.ip_table_add_del(20, is_add=1)
+            cls.vapi.ip_table_add_del(is_add=1, table_id=10)
+            cls.vapi.ip_table_add_del(is_add=1, table_id=20)
 
-            cls.pg4._local_ip4 = "172.16.255.1"
-            cls.pg4._local_ip4n = socket.inet_pton(socket.AF_INET, i.local_ip4)
+            cls.pg4._local_ip4 = VppIpPrefix("172.16.255.1",
+                                             cls.pg4.local_ip4_prefix.len)
             cls.pg4._remote_hosts[0]._ip4 = "172.16.255.2"
             cls.pg4.set_table_ip4(10)
-            cls.pg5._local_ip4 = "172.17.255.3"
-            cls.pg5._local_ip4n = socket.inet_pton(socket.AF_INET, i.local_ip4)
+            cls.pg5._local_ip4 = VppIpPrefix("172.17.255.3",
+                                             cls.pg5.local_ip4_prefix.len)
             cls.pg5._remote_hosts[0]._ip4 = "172.17.255.4"
             cls.pg5.set_table_ip4(10)
-            cls.pg6._local_ip4 = "172.16.255.1"
-            cls.pg6._local_ip4n = socket.inet_pton(socket.AF_INET, i.local_ip4)
+            cls.pg6._local_ip4 = VppIpPrefix("172.16.255.1",
+                                             cls.pg6.local_ip4_prefix.len)
             cls.pg6._remote_hosts[0]._ip4 = "172.16.255.2"
             cls.pg6.set_table_ip4(20)
             for i in cls.overlapping_interfaces:
@@ -1545,10 +1549,10 @@ class TestNAT44(MethodHolder):
 
             cls.pg9.generate_remote_hosts(2)
             cls.pg9.config_ip4()
-            ip_addr_n = socket.inet_pton(socket.AF_INET, "10.0.0.1")
-            cls.vapi.sw_interface_add_del_address(cls.pg9.sw_if_index,
-                                                  ip_addr_n,
-                                                  24)
+            cls.vapi.sw_interface_add_del_address(
+                sw_if_index=cls.pg9.sw_if_index,
+                prefix=VppIpPrefix("10.0.0.1", 24).encode())
+
             cls.pg9.admin_up()
             cls.pg9.resolve_arp()
             cls.pg9._remote_hosts[1]._ip4 = cls.pg9._remote_hosts[0]._ip4
@@ -1863,7 +1867,7 @@ class TestNAT44(MethodHolder):
                                                   is_inside=0)
         sm = self.vapi.nat44_static_mapping_dump()
         self.assertEqual(len(sm), 1)
-        self.assertEqual((sm[0].tag).split('\0', 1)[0], '')
+        self.assertEqual((sm[0].tag).split(b'\0', 1)[0], b'')
         self.assertEqual(sm[0].protocol, 0)
         self.assertEqual(sm[0].local_port, 0)
         self.assertEqual(sm[0].external_port, 0)
@@ -1891,7 +1895,7 @@ class TestNAT44(MethodHolder):
         self.tcp_port_out = 6303
         self.udp_port_out = 6304
         self.icmp_id_out = 6305
-        tag = "testTAG"
+        tag = b"testTAG"
 
         self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip, tag=tag)
         self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
@@ -1899,7 +1903,7 @@ class TestNAT44(MethodHolder):
                                                   is_inside=0)
         sm = self.vapi.nat44_static_mapping_dump()
         self.assertEqual(len(sm), 1)
-        self.assertEqual((sm[0].tag).split('\0', 1)[0], tag)
+        self.assertEqual((sm[0].tag).split(b'\0', 1)[0], tag)
 
         # out2in
         pkts = self.create_stream_out(self.pg1, nat_ip)
@@ -2597,7 +2601,7 @@ class TestNAT44(MethodHolder):
 
     def test_interface_addr_static_mapping(self):
         """ Static mapping with addresses from interface """
-        tag = "testTAG"
+        tag = b"testTAG"
 
         self.vapi.nat44_add_del_interface_addr(self.pg7.sw_if_index)
         self.nat44_add_static_mapping(
@@ -2610,7 +2614,7 @@ class TestNAT44(MethodHolder):
         self.assertEqual(1, len(static_mappings))
         self.assertEqual(self.pg7.sw_if_index,
                          static_mappings[0].external_sw_if_index)
-        self.assertEqual((static_mappings[0].tag).split('\0', 1)[0], tag)
+        self.assertEqual((static_mappings[0].tag).split(b'\0', 1)[0], tag)
 
         # configure interface address and check static mappings
         self.pg7.config_ip4()
@@ -2621,7 +2625,7 @@ class TestNAT44(MethodHolder):
             if sm.external_sw_if_index == 0xFFFFFFFF:
                 self.assertEqual(sm.external_ip_address[0:4],
                                  self.pg7.local_ip4n)
-                self.assertEqual((sm.tag).split('\0', 1)[0], tag)
+                self.assertEqual((sm.tag).split(b'\0', 1)[0], tag)
                 resolved = True
         self.assertTrue(resolved)
 
@@ -2631,7 +2635,7 @@ class TestNAT44(MethodHolder):
         self.assertEqual(1, len(static_mappings))
         self.assertEqual(self.pg7.sw_if_index,
                          static_mappings[0].external_sw_if_index)
-        self.assertEqual((static_mappings[0].tag).split('\0', 1)[0], tag)
+        self.assertEqual((static_mappings[0].tag).split(b'\0', 1)[0], tag)
 
         # configure interface address again and check static mappings
         self.pg7.config_ip4()
@@ -2642,7 +2646,7 @@ class TestNAT44(MethodHolder):
             if sm.external_sw_if_index == 0xFFFFFFFF:
                 self.assertEqual(sm.external_ip_address[0:4],
                                  self.pg7.local_ip4n)
-                self.assertEqual((sm.tag).split('\0', 1)[0], tag)
+                self.assertEqual((sm.tag).split(b'\0', 1)[0], tag)
                 resolved = True
         self.assertTrue(resolved)
 
@@ -2933,8 +2937,8 @@ class TestNAT44(MethodHolder):
 
         self.pg0.unconfig_ip4()
         self.pg1.unconfig_ip4()
-        self.vapi.ip_table_add_del(vrf_id1, is_add=1)
-        self.vapi.ip_table_add_del(vrf_id2, is_add=1)
+        self.vapi.ip_table_add_del(is_add=1, table_id=vrf_id1)
+        self.vapi.ip_table_add_del(is_add=1, table_id=vrf_id2)
         self.pg0.set_table_ip4(vrf_id1)
         self.pg1.set_table_ip4(vrf_id2)
         self.pg0.config_ip4()
@@ -2975,8 +2979,8 @@ class TestNAT44(MethodHolder):
             self.pg1.config_ip4()
             self.pg0.resolve_arp()
             self.pg1.resolve_arp()
-            self.vapi.ip_table_add_del(vrf_id1, is_add=0)
-            self.vapi.ip_table_add_del(vrf_id2, is_add=0)
+            self.vapi.ip_table_add_del(is_add=0, table_id=vrf_id1)
+            self.vapi.ip_table_add_del(is_add=0, table_id=vrf_id2)
 
     def test_vrf_feature_independent(self):
         """ NAT44 tenant VRF independent address pool mode """
@@ -3539,7 +3543,7 @@ class TestNAT44(MethodHolder):
                                                   is_inside=0)
         self.vapi.nat44_forwarding_enable_disable(1)
 
-        data = "A" * 16 + "B" * 16 + "C" * 3
+        data = b"A" * 16 + b"B" * 16 + b"C" * 3
         pkts = self.create_stream_frag(self.pg1,
                                        self.pg0.remote_ip4,
                                        4789,
@@ -3667,7 +3671,7 @@ class TestNAT44(MethodHolder):
         self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
                                            src_port=self.ipfix_src_port)
 
-        data = "A" * 4 + "B" * 16 + "C" * 3
+        data = b"A" * 4 + b"B" * 16 + b"C" * 3
         self.tcp_port_in = random.randint(1025, 65535)
         pkts = self.create_stream_frag(self.pg0,
                                        self.pg1.remote_ip4,
@@ -3708,8 +3712,8 @@ class TestNAT44(MethodHolder):
 
         self.pg1.unconfig_ip4()
         self.pg2.unconfig_ip4()
-        self.vapi.ip_table_add_del(vrf_id1, is_add=1)
-        self.vapi.ip_table_add_del(vrf_id2, is_add=1)
+        self.vapi.ip_table_add_del(is_add=1, table_id=vrf_id1)
+        self.vapi.ip_table_add_del(is_add=1, table_id=vrf_id2)
         self.pg1.set_table_ip4(vrf_id1)
         self.pg2.set_table_ip4(vrf_id2)
         self.pg1.config_ip4()
@@ -4210,21 +4214,20 @@ class TestNAT44EndpointDependent(MethodHolder):
 
             cls.pg4.generate_remote_hosts(2)
             cls.pg4.config_ip4()
-            ip_addr_n = socket.inet_pton(socket.AF_INET, "10.0.0.1")
-            cls.vapi.sw_interface_add_del_address(cls.pg4.sw_if_index,
-                                                  ip_addr_n,
-                                                  24)
+            cls.vapi.sw_interface_add_del_address(
+                sw_if_index=cls.pg4.sw_if_index,
+                prefix=VppIpPrefix("10.0.0.1", 24).encode())
+
             cls.pg4.admin_up()
             cls.pg4.resolve_arp()
             cls.pg4._remote_hosts[1]._ip4 = cls.pg4._remote_hosts[0]._ip4
             cls.pg4.resolve_arp()
 
             zero_ip4n = socket.inet_pton(socket.AF_INET, "0.0.0.0")
-            cls.vapi.ip_table_add_del(1, is_add=1)
+            cls.vapi.ip_table_add_del(is_add=1, table_id=1)
 
-            cls.pg5._local_ip4 = "10.1.1.1"
-            cls.pg5._local_ip4n = socket.inet_pton(socket.AF_INET,
-                                                   cls.pg5.local_ip4)
+            cls.pg5._local_ip4 = VppIpPrefix("10.1.1.1",
+                                             cls.pg5.local_ip4_prefix.len)
             cls.pg5._remote_hosts[0]._ip4 = "10.1.1.2"
             cls.pg5._remote_hosts[0]._ip4n = socket.inet_pton(
                 socket.AF_INET, cls.pg5.remote_ip4)
@@ -4233,13 +4236,12 @@ class TestNAT44EndpointDependent(MethodHolder):
             cls.pg5.admin_up()
             cls.vapi.ip_add_del_route(dst_address=cls.pg5.remote_ip4n,
                                       dst_address_length=32,
-                                      table_id=1,
+                                      next_hop_address=zero_ip4n,
                                       next_hop_sw_if_index=cls.pg5.sw_if_index,
-                                      next_hop_address=zero_ip4n)
+                                      table_id=1)
 
-            cls.pg6._local_ip4 = "10.1.2.1"
-            cls.pg6._local_ip4n = socket.inet_pton(socket.AF_INET,
-                                                   cls.pg6.local_ip4)
+            cls.pg6._local_ip4 = VppIpPrefix("10.1.2.1",
+                                             cls.pg6.local_ip4_prefix.len)
             cls.pg6._remote_hosts[0]._ip4 = "10.1.2.2"
             cls.pg6._remote_hosts[0]._ip4n = socket.inet_pton(
                 socket.AF_INET, cls.pg6.remote_ip4)
@@ -4248,25 +4250,23 @@ class TestNAT44EndpointDependent(MethodHolder):
             cls.pg6.admin_up()
             cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n,
                                       dst_address_length=32,
-                                      table_id=1,
+                                      next_hop_address=zero_ip4n,
                                       next_hop_sw_if_index=cls.pg6.sw_if_index,
-                                      next_hop_address=zero_ip4n)
+                                      table_id=1)
 
             cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n,
                                       dst_address_length=16,
-                                      next_hop_address=zero_ip4n,
-                                      table_id=0,
+                                      next_hop_address=zero_ip4n, table_id=0,
                                       next_hop_table_id=1)
             cls.vapi.ip_add_del_route(dst_address=zero_ip4n,
                                       dst_address_length=0,
-                                      next_hop_address=zero_ip4n,
-                                      table_id=1,
+                                      next_hop_address=zero_ip4n, table_id=1,
                                       next_hop_table_id=0)
             cls.vapi.ip_add_del_route(dst_address=zero_ip4n,
                                       dst_address_length=0,
-                                      table_id=0,
+                                      next_hop_address=cls.pg1.local_ip4n,
                                       next_hop_sw_if_index=cls.pg1.sw_if_index,
-                                      next_hop_address=cls.pg1.local_ip4n)
+                                      table_id=0)
 
             cls.pg5.resolve_arp()
             cls.pg6.resolve_arp()
@@ -5286,8 +5286,8 @@ class TestNAT44EndpointDependent(MethodHolder):
                 port_in1 = port_in
                 port_in2 = port_in
             else:
-                port_in1 = port_in+1
-                port_in2 = port_in+2
+                port_in1 = port_in + 1
+                port_in2 = port_in + 2
 
         port_out = 80
         eh_port_out = 4567
@@ -5966,9 +5966,9 @@ class TestNAT44EndpointDependent(MethodHolder):
                                       local_port, external_port, vrf_id=1,
                                       proto=IP_PROTOS.tcp, out2in_only=1)
         self.nat44_add_static_mapping(
-             self.pg0.remote_ip4, external_sw_if_index=self.pg0.sw_if_index,
-             local_port=local_port, vrf_id=0, external_port=external_port,
-             proto=IP_PROTOS.tcp, out2in_only=1)
+            self.pg0.remote_ip4, external_sw_if_index=self.pg0.sw_if_index,
+            local_port=local_port, vrf_id=0, external_port=external_port,
+            proto=IP_PROTOS.tcp, out2in_only=1)
 
         # from client to service (both VRF1)
         p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
@@ -6455,10 +6455,11 @@ class TestNAT44Out2InDPO(MethodHolder):
             cls.pg1.config_ip6()
             cls.pg1.resolve_ndp()
 
-            cls.vapi.ip_add_del_route(is_ipv6=True, dst_address='\x00'*16,
+            cls.vapi.ip_add_del_route(dst_address=b'\x00' * 16,
                                       dst_address_length=0,
                                       next_hop_address=cls.pg1.remote_ip6n,
-                                      next_hop_sw_if_index=cls.pg1.sw_if_index)
+                                      next_hop_sw_if_index=cls.pg1.sw_if_index,
+                                      is_ipv6=True)
 
         except Exception:
             super(TestNAT44Out2InDPO, cls).tearDownClass()
@@ -7168,7 +7169,8 @@ class TestNAT64(MethodHolder):
             cls.ip6_interfaces.append(cls.pg_interfaces[2])
             cls.ip4_interfaces = list(cls.pg_interfaces[1:2])
 
-            cls.vapi.ip_table_add_del(cls.vrf1_id, is_add=1, is_ipv6=1)
+            cls.vapi.ip_table_add_del(is_ipv6=1, is_add=1,
+                                      table_id=cls.vrf1_id)
 
             cls.pg_interfaces[2].set_table_ip6(cls.vrf1_id)
 
@@ -7284,9 +7286,9 @@ class TestNAT64(MethodHolder):
         self.assertTrue(pg1_found)
 
         features = self.vapi.cli("show interface features pg0")
-        self.assertNotEqual(features.find('nat64-in2out'), -1)
+        self.assertIn('nat64-in2out', features)
         features = self.vapi.cli("show interface features pg1")
-        self.assertNotEqual(features.find('nat64-out2in'), -1)
+        self.assertIn('nat64-out2in', features)
 
         self.vapi.nat64_add_del_interface(self.pg0.sw_if_index, is_add=0)
         self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_add=0)
@@ -8042,7 +8044,7 @@ class TestNAT64(MethodHolder):
         reass_n_start = len(reass)
 
         # in2out
-        data = 'a' * 200
+        data = b'a' * 200
         pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4,
                                            self.tcp_port_in, 20, data)
         self.pg0.add_stream(pkts)
@@ -8058,7 +8060,7 @@ class TestNAT64(MethodHolder):
         self.assertEqual(data, p[Raw].load)
 
         # out2in
-        data = "A" * 4 + "b" * 16 + "C" * 3
+        data = b"A" * 4 + b"b" * 16 + b"C" * 3
         pkts = self.create_stream_frag(self.pg1,
                                        self.nat_addr,
                                        20,
@@ -8126,7 +8128,7 @@ class TestNAT64(MethodHolder):
         self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
 
         # in2out
-        data = 'a' * 200
+        data = b'a' * 200
         pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4,
                                            self.tcp_port_in, 20, data)
         pkts.reverse()
@@ -8143,7 +8145,7 @@ class TestNAT64(MethodHolder):
         self.assertEqual(data, p[Raw].load)
 
         # out2in
-        data = "A" * 4 + "B" * 16 + "C" * 3
+        data = b"A" * 4 + b"B" * 16 + b"C" * 3
         pkts = self.create_stream_frag(self.pg1,
                                        self.nat_addr,
                                        20,
@@ -8282,7 +8284,7 @@ class TestNAT64(MethodHolder):
         self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
                                            src_port=self.ipfix_src_port)
 
-        data = 'a' * 200
+        data = b'a' * 200
         pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4,
                                            self.tcp_port_in, 20, data)
         pkts.reverse()
@@ -8357,9 +8359,9 @@ class TestNAT64(MethodHolder):
         for p in capture:
             if p.haslayer(Data):
                 data = ipfix.decode_data_set(p.getlayer(Set))
-                if ord(data[0][230]) == 10:
+                if scapy.compat.orb(data[0][230]) == 10:
                     self.verify_ipfix_bib(data, 1, self.pg0.remote_ip6n)
-                elif ord(data[0][230]) == 6:
+                elif scapy.compat.orb(data[0][230]) == 6:
                     self.verify_ipfix_nat64_ses(data,
                                                 1,
                                                 self.pg0.remote_ip6n,
@@ -8386,9 +8388,9 @@ class TestNAT64(MethodHolder):
                              self.ipfix_domain_id)
             if p.haslayer(Data):
                 data = ipfix.decode_data_set(p.getlayer(Set))
-                if ord(data[0][230]) == 11:
+                if scapy.compat.orb(data[0][230]) == 11:
                     self.verify_ipfix_bib(data, 0, self.pg0.remote_ip6n)
-                elif ord(data[0][230]) == 7:
+                elif scapy.compat.orb(data[0][230]) == 7:
                     self.verify_ipfix_nat64_ses(data,
                                                 0,
                                                 self.pg0.remote_ip6n,
Vector Packet Processing