tests: move test source to vpp/test

- Generate copyright year and version
  instead of using hard-coded data

Type: refactor

Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Change-Id: I6058f5025323b3aa483f5df4a2c4371e27b5914e

1 files changed, 694 insertions, 0 deletions

diff --git a/test/test_map_br.py b/test/test_map_br.py
new file mode 100644
index 00000000000..3602ddd2e31
--- /dev/null
+++ b/test/test_map_br.py
@@ -0,0 +1,694 @@
+#!/usr/bin/env python3
+
+import ipaddress
+import unittest
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from util import fragment_rfc791, fragment_rfc8200
+
+import scapy.compat
+from scapy.layers.l2 import Ether
+from scapy.packet import Raw
+from scapy.layers.inet import IP, UDP, ICMP, TCP, IPerror, UDPerror
+from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded, ICMPv6PacketTooBig
+from scapy.layers.inet6 import ICMPv6EchoRequest, ICMPv6EchoReply, IPerror6
+
+
+class TestMAPBR(VppTestCase):
+    """ MAP-T Test Cases """
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestMAPBR, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(TestMAPBR, cls).tearDownClass()
+
+    def setUp(self):
+        super(TestMAPBR, self).setUp()
+
+        #
+        # Create 2 pg interfaces.
+        # pg0 is IPv4
+        # pg1 is IPv6
+        #
+        self.create_pg_interfaces(range(2))
+
+        self.pg0.admin_up()
+        self.pg0.config_ip4()
+        self.pg1.generate_remote_hosts(20)
+        self.pg1.configure_ipv4_neighbors()
+        self.pg0.resolve_arp()
+
+        self.pg1.admin_up()
+        self.pg1.config_ip6()
+        self.pg1.generate_remote_hosts(20)
+        self.pg1.configure_ipv6_neighbors()
+
+        #
+        # BR configuration parameters used for all test.
+        #
+        self.ip4_prefix = '198.18.0.0/24'
+        self.ip6_prefix = '2001:db8:f0::/48'
+        self.ip6_src = '2001:db8:ffff:ff00::/64'
+        self.ea_bits_len = 12
+        self.psid_offset = 6
+        self.psid_length = 4
+        self.mtu = 1500
+        self.tag = 'MAP-T BR'
+
+        self.ipv4_internet_address = self.pg0.remote_ip4
+        self.ipv4_map_address = "198.18.0.12"
+        self.ipv4_udp_or_tcp_internet_port = 65000
+        self.ipv4_udp_or_tcp_map_port = 16606
+
+        self.ipv6_cpe_address = "2001:db8:f0:c30:0:c612:c:3"      # 198.18.0.12
+        self.ipv6_spoof_address = "2001:db8:f0:c30:0:c612:1c:3"   # 198.18.0.28
+        self.ipv6_spoof_prefix = "2001:db8:f0:c30:0:a00:c:3"      # 10.0.0.12
+        self.ipv6_spoof_psid = "2001:db8:f0:c30:0:c612:c:4"       # 4
+        self.ipv6_spoof_subnet = "2001:db8:f1:c30:0:c612:c:3"     # f1
+
+        self.ipv6_udp_or_tcp_internet_port = 65000
+        self.ipv6_udp_or_tcp_map_port = 16606
+        self.ipv6_udp_or_tcp_spoof_port = 16862
+
+        self.ipv6_map_address = (
+            "2001:db8:ffff:ff00:ac:1001:200:0")         # 176.16.1.2
+        self.ipv6_map_same_rule_diff_addr = (
+            "2001:db8:ffff:ff00:c6:1200:1000:0")        # 198.18.0.16
+        self.ipv6_map_same_rule_same_addr = (
+            "2001:db8:ffff:ff00:c6:1200:c00:0")         # 198.18.0.12
+
+        self.map_br_prefix = "2001:db8:f0::"
+        self.map_br_prefix_len = 48
+        self.psid_number = 3
+
+        #
+        # Add an IPv6 route to the MAP-BR.
+        #
+        map_route = VppIpRoute(self,
+                               self.map_br_prefix,
+                               self.map_br_prefix_len,
+                               [VppRoutePath(self.pg1.remote_ip6,
+                                             self.pg1.sw_if_index)])
+        map_route.add_vpp_config()
+
+        #
+        # Add a MAP BR domain that maps from pg0 to pg1.
+        #
+        self.vapi.map_add_domain(ip4_prefix=self.ip4_prefix,
+                                 ip6_prefix=self.ip6_prefix,
+                                 ip6_src=self.ip6_src,
+                                 ea_bits_len=self.ea_bits_len,
+                                 psid_offset=self.psid_offset,
+                                 psid_length=self.psid_length,
+                                 mtu=self.mtu,
+                                 tag=self.tag)
+
+        #
+        # Set BR parameters.
+        #
+        self.vapi.map_param_set_fragmentation(inner=1, ignore_df=0)
+        self.vapi.map_param_set_fragmentation(inner=0, ignore_df=0)
+        self.vapi.map_param_set_icmp(ip4_err_relay_src=self.pg0.local_ip4)
+        self.vapi.map_param_set_traffic_class(copy=1)
+
+        #
+        # Enable MAP-T on interfaces.
+        #
+        self.vapi.map_if_enable_disable(is_enable=1,
+                                        sw_if_index=self.pg0.sw_if_index,
+                                        is_translation=1)
+
+        self.vapi.map_if_enable_disable(is_enable=1,
+                                        sw_if_index=self.pg1.sw_if_index,
+                                        is_translation=1)
+
+        self.vapi.map_if_enable_disable(is_enable=1,
+                                        sw_if_index=self.pg1.sw_if_index,
+                                        is_translation=1)
+
+    def tearDown(self):
+        super(TestMAPBR, self).tearDown()
+        for i in self.pg_interfaces:
+            i.unconfig_ip4()
+            i.unconfig_ip6()
+            i.admin_down()
+
+    def v4_address_check(self, pkt):
+        self.assertEqual(pkt[IP].src, self.ipv4_map_address)
+        self.assertEqual(pkt[IP].dst, self.ipv4_internet_address)
+
+    def v4_port_check(self, pkt, proto):
+        self.assertEqual(pkt[proto].sport, self.ipv4_udp_or_tcp_map_port)
+        self.assertEqual(pkt[proto].dport, self.ipv4_udp_or_tcp_internet_port)
+
+    def v6_address_check(self, pkt):
+        self.assertEqual(pkt[IPv6].src, self.ipv6_map_address)
+        self.assertEqual(pkt[IPv6].dst, self.ipv6_cpe_address)
+
+    def v6_port_check(self, pkt, proto):
+        self.assertEqual(pkt[proto].sport, self.ipv6_udp_or_tcp_internet_port)
+        self.assertEqual(pkt[proto].dport, self.ipv6_udp_or_tcp_map_port)
+
+    #
+    # Normal translation of UDP packets v4 -> v6 direction
+    # Send 128 frame size packet for IPv4/UDP.
+    # Received packet should be translated into IPv6 packet with no
+    # fragment header.
+    #
+
+    def test_map_t_udp_ip4_to_ip6(self):
+        """ MAP-T UDP IPv4 -> IPv6 """
+
+        eth = Ether(src=self.pg0.remote_mac,
+                    dst=self.pg0.local_mac)
+        ip = IP(src=self.pg0.remote_ip4,
+                dst=self.ipv4_map_address,
+                tos=0)
+        udp = UDP(sport=self.ipv4_udp_or_tcp_internet_port,
+                  dport=self.ipv4_udp_or_tcp_map_port)
+        payload = "a" * 82
+        tx_pkt = eth / ip / udp / payload
+
+        self.pg_send(self.pg0, tx_pkt * 1)
+
+        rx_pkts = self.pg1.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.v6_address_check(rx_pkt)
+        self.v6_port_check(rx_pkt, UDP)
+        self.assertEqual(rx_pkt[IPv6].tc, 0)    # IPv4 ToS passed to v6 TC
+        self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="UDP").nh)
+
+    #
+    # Normal translation of TCP packets v4 -> v6 direction.
+    # Send 128 frame size packet for IPv4/TCP.
+    # Received packet should be translated into IPv6 packet with no
+    # fragment header.
+    #
+
+    def test_map_t_tcp_ip4_to_ip6(self):
+        """ MAP-T TCP IPv4 -> IPv6 """
+
+        eth = Ether(src=self.pg0.remote_mac,
+                    dst=self.pg0.local_mac)
+        ip = IP(src=self.pg0.remote_ip4,
+                dst=self.ipv4_map_address,
+                tos=0)
+        tcp = TCP(sport=self.ipv4_udp_or_tcp_internet_port,
+                  dport=self.ipv4_udp_or_tcp_map_port)
+        payload = "a" * 82
+        tx_pkt = eth / ip / tcp / payload
+
+        self.pg_send(self.pg0, tx_pkt * 1)
+
+        rx_pkts = self.pg1.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.v6_address_check(rx_pkt)
+        self.v6_port_check(rx_pkt, TCP)
+        self.assertEqual(rx_pkt[IPv6].tc, 0)    # IPv4 ToS passed to v6 TC
+        self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="TCP").nh)
+
+    #
+    # Normal translation of UDP packets v6 -> v4 direction
+    # Send 128 frame size packet for IPv6/UDP.
+    # Received packet should be translated into an IPv4 packet with DF=1.
+    #
+
+    def test_map_t_udp_ip6_to_ip4(self):
+        """ MAP-T UDP IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_address)
+        udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+                  dport=self.ipv6_udp_or_tcp_internet_port)
+        payload = "a" * 82
+        tx_pkt = eth / ip / udp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        rx_pkts = self.pg0.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.v4_address_check(rx_pkt)
+        self.v4_port_check(rx_pkt, UDP)
+        self.assertEqual(rx_pkt[IP].proto, IP(proto="udp").proto)
+        self.assertEqual(rx_pkt[IP].tos, 0)    # IPv6 TC passed to v4 ToS
+        df_bit = IP(flags="DF").flags
+        self.assertNotEqual(rx_pkt[IP].flags & df_bit, df_bit)
+
+    #
+    # Normal translation of TCP packets v6 -> v4 direction
+    # Send 128 frame size packet for IPv6/TCP.
+    # Received packet should be translated into an IPv4 packet with DF=1
+    #
+
+    def test_map_t_tcp_ip6_to_ip4(self):
+        """ MAP-T TCP IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_address)
+        tcp = TCP(sport=self.ipv6_udp_or_tcp_map_port,
+                  dport=self.ipv6_udp_or_tcp_internet_port)
+        payload = "a" * 82
+        tx_pkt = eth / ip / tcp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        rx_pkts = self.pg0.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.v4_address_check(rx_pkt)
+        self.v4_port_check(rx_pkt, TCP)
+        self.assertEqual(rx_pkt[IP].proto, IP(proto="tcp").proto)
+        self.assertEqual(rx_pkt[IP].tos, 0)    # IPv6 TC passed to v4 ToS
+        df_bit = IP(flags="DF").flags
+        self.assertNotEqual(rx_pkt[IP].flags & df_bit, df_bit)
+
+    #
+    # Translation of ICMP Echo Request v4 -> v6 direction
+    # Received packet should be translated into an IPv6 Echo Request.
+    #
+
+    def test_map_t_echo_request_ip4_to_ip6(self):
+        """ MAP-T echo request IPv4 -> IPv6 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IP(src=self.pg0.remote_ip4,
+                dst=self.ipv4_map_address)
+        icmp = ICMP(type="echo-request",
+                    id=self.ipv6_udp_or_tcp_map_port)
+        payload = "H" * 10
+        tx_pkt = eth / ip / icmp / payload
+
+        self.pg_send(self.pg0, tx_pkt * 1)
+
+        rx_pkts = self.pg1.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="ICMPv6").nh)
+        self.assertEqual(rx_pkt[ICMPv6EchoRequest].type,
+                         ICMPv6EchoRequest(type="Echo Request").type)
+        self.assertEqual(rx_pkt[ICMPv6EchoRequest].code, 0)
+        self.assertEqual(rx_pkt[ICMPv6EchoRequest].id,
+                         self.ipv6_udp_or_tcp_map_port)
+
+    #
+    # Translation of ICMP Echo Reply v4 -> v6 direction
+    # Received packet should be translated into an IPv6 Echo Reply.
+    #
+
+    def test_map_t_echo_reply_ip4_to_ip6(self):
+        """ MAP-T echo reply IPv4 -> IPv6 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IP(src=self.pg0.remote_ip4,
+                dst=self.ipv4_map_address)
+        icmp = ICMP(type="echo-reply",
+                    id=self.ipv6_udp_or_tcp_map_port)
+        payload = "H" * 10
+        tx_pkt = eth / ip / icmp / payload
+
+        self.pg_send(self.pg0, tx_pkt * 1)
+
+        rx_pkts = self.pg1.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="ICMPv6").nh)
+        self.assertEqual(rx_pkt[ICMPv6EchoReply].type,
+                         ICMPv6EchoReply(type="Echo Reply").type)
+        self.assertEqual(rx_pkt[ICMPv6EchoReply].code, 0)
+        self.assertEqual(rx_pkt[ICMPv6EchoReply].id,
+                         self.ipv6_udp_or_tcp_map_port)
+
+    #
+    # Translation of ICMP Time Exceeded v4 -> v6 direction
+    # Received packet should be translated into an IPv6 Time Exceeded.
+    #
+
+    def test_map_t_time_exceeded_ip4_to_ip6(self):
+        """ MAP-T time exceeded IPv4 -> IPv6 """
+
+        eth = Ether(src=self.pg0.remote_mac,
+                    dst=self.pg0.local_mac)
+        ip = IP(src=self.pg0.remote_ip4,
+                dst=self.ipv4_map_address)
+        icmp = ICMP(type="time-exceeded", code="ttl-zero-during-transit")
+        ip_inner = IP(dst=self.pg0.remote_ip4,
+                      src=self.ipv4_map_address, ttl=1)
+        udp_inner = UDP(sport=self.ipv4_udp_or_tcp_map_port,
+                        dport=self.ipv4_udp_or_tcp_internet_port)
+        payload = "H" * 10
+        tx_pkt = eth / ip / icmp / ip_inner / udp_inner / payload
+
+        self.pg_send(self.pg0, tx_pkt * 1)
+
+        rx_pkts = self.pg1.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.v6_address_check(rx_pkt)
+        self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="ICMPv6").nh)
+        self.assertEqual(rx_pkt[ICMPv6TimeExceeded].type,
+                         ICMPv6TimeExceeded().type)
+        self.assertEqual(rx_pkt[ICMPv6TimeExceeded].code,
+                         ICMPv6TimeExceeded(
+                            code="hop limit exceeded in transit").code)
+        self.assertEqual(rx_pkt[ICMPv6TimeExceeded].hlim, tx_pkt[IP][1].ttl)
+        self.assertTrue(rx_pkt.haslayer(IPerror6))
+        self.assertTrue(rx_pkt.haslayer(UDPerror))
+        self.assertEqual(rx_pkt[IPv6].src, rx_pkt[IPerror6].dst)
+        self.assertEqual(rx_pkt[IPv6].dst, rx_pkt[IPerror6].src)
+        self.assertEqual(rx_pkt[UDPerror].sport, self.ipv6_udp_or_tcp_map_port)
+        self.assertEqual(rx_pkt[UDPerror].dport,
+                         self.ipv6_udp_or_tcp_internet_port)
+
+    #
+    # Translation of ICMP Echo Request v6 -> v4 direction
+    # Received packet should be translated into an IPv4 Echo Request.
+    #
+
+    def test_map_t_echo_request_ip6_to_ip4(self):
+        """ MAP-T echo request IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_address)
+        icmp = ICMPv6EchoRequest()
+        icmp.id = self.ipv6_udp_or_tcp_map_port
+        payload = "H" * 10
+        tx_pkt = eth / ip / icmp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        rx_pkts = self.pg0.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto)
+        self.assertEqual(rx_pkt[ICMP].type, ICMP(type="echo-request").type)
+        self.assertEqual(rx_pkt[ICMP].code, 0)
+        self.assertEqual(rx_pkt[ICMP].id, self.ipv6_udp_or_tcp_map_port)
+
+    #
+    # Translation of ICMP Echo Reply v6 -> v4 direction
+    # Received packet should be translated into an IPv4 Echo Reply.
+    #
+
+    def test_map_t_echo_reply_ip6_to_ip4(self):
+        """ MAP-T echo reply IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_address)
+        icmp = ICMPv6EchoReply(id=self.ipv6_udp_or_tcp_map_port)
+        payload = "H" * 10
+        tx_pkt = eth / ip / icmp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        rx_pkts = self.pg0.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto)
+        self.assertEqual(rx_pkt[ICMP].type, ICMP(type="echo-reply").type)
+        self.assertEqual(rx_pkt[ICMP].code, 0)
+        self.assertEqual(rx_pkt[ICMP].id, self.ipv6_udp_or_tcp_map_port)
+
+    #
+    # Translation of ICMP Packet Too Big v6 -> v4 direction
+    # Received packet should be translated into an IPv4 Dest Unreachable.
+    #
+
+    def test_map_t_packet_too_big_ip6_to_ip4(self):
+        """ MAP-T packet too big IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_address)
+        icmp = ICMPv6PacketTooBig(mtu=1280)
+        ip_inner = IPv6(src=self.ipv6_map_address,
+                        dst=self.ipv6_cpe_address)
+        udp_inner = UDP(sport=self.ipv6_udp_or_tcp_internet_port,
+                        dport=self.ipv6_udp_or_tcp_map_port)
+        payload = "H" * 10
+        tx_pkt = eth / ip / icmp / ip_inner / udp_inner / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        rx_pkts = self.pg0.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.v4_address_check(rx_pkt)
+        self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto)
+        self.assertEqual(rx_pkt[ICMP].type, ICMP(type="dest-unreach").type)
+        self.assertEqual(rx_pkt[ICMP].code,
+                         ICMP(code="fragmentation-needed").code)
+        self.assertEqual(rx_pkt[ICMP].nexthopmtu,
+                         tx_pkt[ICMPv6PacketTooBig].mtu - 20)
+        self.assertTrue(rx_pkt.haslayer(IPerror))
+        self.assertTrue(rx_pkt.haslayer(UDPerror))
+        self.assertEqual(rx_pkt[IP].src, rx_pkt[IPerror].dst)
+        self.assertEqual(rx_pkt[IP].dst, rx_pkt[IPerror].src)
+        self.assertEqual(rx_pkt[UDPerror].sport,
+                         self.ipv4_udp_or_tcp_internet_port)
+        self.assertEqual(rx_pkt[UDPerror].dport, self.ipv4_udp_or_tcp_map_port)
+
+    #
+    # Translation of ICMP Time Exceeded v6 -> v4 direction
+    # Received packet should be translated into an IPv4 Time Exceeded.
+    #
+
+    def test_map_t_time_exceeded_ip6_to_ip4(self):
+        """ MAP-T time exceeded IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_address)
+        icmp = ICMPv6TimeExceeded()
+        ip_inner = IPv6(src=self.ipv6_map_address,
+                        dst=self.ipv6_cpe_address, hlim=1)
+        udp_inner = UDP(sport=self.ipv6_udp_or_tcp_internet_port,
+                        dport=self.ipv6_udp_or_tcp_map_port)
+        payload = "H" * 10
+        tx_pkt = eth / ip / icmp / ip_inner / udp_inner / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        rx_pkts = self.pg0.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+        self.v4_address_check(rx_pkt)
+        self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto)
+        self.assertEqual(rx_pkt[ICMP].type, ICMP(type="time-exceeded").type)
+        self.assertEqual(rx_pkt[ICMP].code,
+                         ICMP(code="ttl-zero-during-transit").code)
+        self.assertEqual(rx_pkt[ICMP].ttl, tx_pkt[IPv6][1].hlim)
+        self.assertTrue(rx_pkt.haslayer(IPerror))
+        self.assertTrue(rx_pkt.haslayer(UDPerror))
+        self.assertEqual(rx_pkt[IP].src, rx_pkt[IPerror].dst)
+        self.assertEqual(rx_pkt[IP].dst, rx_pkt[IPerror].src)
+        self.assertEqual(rx_pkt[UDPerror].sport,
+                         self.ipv4_udp_or_tcp_internet_port)
+        self.assertEqual(rx_pkt[UDPerror].dport, self.ipv4_udp_or_tcp_map_port)
+
+    #
+    # Spoofed IPv4 Source Address v6 -> v4 direction
+    # Send a packet with a wrong IPv4 address embedded in bits 72-103.
+    # The BR should either drop the packet, or rewrite the spoofed
+    # source IPv4 as the actual source IPv4 address.
+    # The BR really should drop the packet.
+    #
+
+    def test_map_t_spoof_ipv4_src_addr_ip6_to_ip4(self):
+        """ MAP-T spoof ipv4 src addr IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_spoof_address,
+                  dst=self.ipv6_map_address)
+        udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+                  dport=self.ipv6_udp_or_tcp_internet_port)
+        payload = "a" * 82
+        tx_pkt = eth / ip / udp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        self.pg0.get_capture(0, timeout=1)
+        self.pg0.assert_nothing_captured("Should drop IPv4 spoof address")
+
+    #
+    # Spoofed IPv4 Source Prefix v6 -> v4 direction
+    # Send a packet with a wrong IPv4 prefix embedded in bits 72-103.
+    # The BR should either drop the packet, or rewrite the source IPv4
+    # to the prefix that matches the source IPv4 address.
+    #
+
+    def test_map_t_spoof_ipv4_src_prefix_ip6_to_ip4(self):
+        """ MAP-T spoof ipv4 src prefix IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_spoof_prefix,
+                  dst=self.ipv6_map_address)
+        udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+                  dport=self.ipv6_udp_or_tcp_internet_port)
+        payload = "a" * 82
+        tx_pkt = eth / ip / udp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        self.pg0.get_capture(0, timeout=1)
+        self.pg0.assert_nothing_captured("Should drop IPv4 spoof prefix")
+
+    #
+    # Spoofed IPv6 PSID v6 -> v4 direction
+    # Send a packet with a wrong IPv6 port PSID
+    # The BR should drop the packet.
+    #
+
+    def test_map_t_spoof_psid_ip6_to_ip4(self):
+        """ MAP-T spoof psid IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_spoof_psid,
+                  dst=self.ipv6_map_address)
+        udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+                  dport=self.ipv6_udp_or_tcp_internet_port)
+        payload = "a" * 82
+        tx_pkt = eth / ip / udp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        self.pg0.get_capture(0, timeout=1)
+        self.pg0.assert_nothing_captured("Should drop IPv6 spoof PSID")
+
+    #
+    # Spoofed IPv6 subnet field v6 -> v4 direction
+    # Send a packet with a wrong IPv6 subnet as "2001:db8:f1"
+    # The BR should drop the packet.
+    #
+
+    def test_map_t_spoof_subnet_ip6_to_ip4(self):
+        """ MAP-T spoof subnet IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_spoof_subnet,
+                  dst=self.ipv6_map_address)
+        udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+                  dport=self.ipv6_udp_or_tcp_internet_port)
+        payload = "a" * 82
+        tx_pkt = eth / ip / udp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        self.pg0.get_capture(0, timeout=1)
+        self.pg0.assert_nothing_captured("Should drop IPv6 spoof subnet")
+
+    #
+    # Spoofed IPv6 port PSID v6 -> v4 direction
+    # Send a packet with a wrong IPv6 port PSID
+    # The BR should drop the packet.
+    #
+
+    def test_map_t_spoof_port_psid_ip6_to_ip4(self):
+        """ MAP-T spoof port psid IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_address)
+        udp = UDP(sport=self.ipv6_udp_or_tcp_spoof_port,
+                  dport=self.ipv6_udp_or_tcp_internet_port)
+        payload = "a" * 82
+        tx_pkt = eth / ip / udp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        self.pg0.get_capture(0, timeout=1)
+        self.pg0.assert_nothing_captured("Should drop IPv6 spoof port PSID")
+
+    #
+    # Spoofed IPv6 ICMP ID PSID v6 -> v4 direction
+    # Send a packet with a wrong IPv6 IMCP ID PSID
+    # The BR should drop the packet.
+    #
+
+    def test_map_t_spoof_icmp_id_psid_ip6_to_ip4(self):
+        """ MAP-T spoof ICMP id psid IPv6 -> IPv4 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_address)
+        icmp = ICMPv6EchoRequest()
+        icmp.id = self.ipv6_udp_or_tcp_spoof_port
+        payload = "H" * 10
+        tx_pkt = eth / ip / icmp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        self.pg0.get_capture(0, timeout=1)
+        self.pg0.assert_nothing_captured("Should drop IPv6 spoof port PSID")
+
+    #
+    # Map to Map - same rule, different address
+    #
+
+    @unittest.skip("Fixme: correct behavior needs clarification")
+    def test_map_t_same_rule_diff_addr_ip6_to_ip4(self):
+        """ MAP-T same rule, diff addr IPv6 -> IPv6 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_same_rule_diff_addr)
+        udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+                  dport=1025)
+        payload = "a" * 82
+        tx_pkt = eth / ip / udp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        rx_pkts = self.pg1.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+    #
+    # Map to Map - same rule, same address
+    #
+
+    @unittest.skip("Fixme: correct behavior needs clarification")
+    def test_map_t_same_rule_same_addr_ip6_to_ip4(self):
+        """ MAP-T same rule, same addr IPv6 -> IPv6 """
+
+        eth = Ether(src=self.pg1.remote_mac,
+                    dst=self.pg1.local_mac)
+        ip = IPv6(src=self.ipv6_cpe_address,
+                  dst=self.ipv6_map_same_rule_same_addr)
+        udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+                  dport=1025)
+        payload = "a" * 82
+        tx_pkt = eth / ip / udp / payload
+
+        self.pg_send(self.pg1, tx_pkt * 1)
+
+        rx_pkts = self.pg1.get_capture(1)
+        rx_pkt = rx_pkts[0]
+
+if __name__ == '__main__':
+    unittest.main(testRunner=VppTestRunner)