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Diffstat (limited to 'test/test_sixrd.py')
| -rw-r--r-- | test/test_sixrd.py | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/test/test_sixrd.py b/test/test_sixrd.py new file mode 100644 index 00000000000..32ebdf4cca0 --- /dev/null +++ b/test/test_sixrd.py @@ -0,0 +1,289 @@ +# +# 6RD RFC5969 functional tests +# + +import unittest +from scapy.layers.inet import IP, UDP, ICMP +from scapy.layers.inet6 import IPv6 +from scapy.layers.l2 import Ether, GRE +from scapy.packet import Raw + +from framework import VppTestCase +from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto +from util import ppp +from ipaddress import * + +""" Test6rd is a subclass of VPPTestCase classes. + +6RD tests. + +""" + + +class Test6RD(VppTestCase): + """ 6RD Test Case """ + + @classmethod + def setUpClass(cls): + super(Test6RD, cls).setUpClass() + try: + cls.create_pg_interfaces(range(2)) + cls.interfaces = list(cls.pg_interfaces) + except Exception: + super(Test6RD, cls).tearDownClass() + raise + + def setUp(cls): + super(Test6RD, cls).setUp() + try: + for i in cls.interfaces: + i.admin_up() + i.config_ip4() + i.config_ip6() + i.disable_ipv6_ra() + i.resolve_arp() + i.resolve_ndp() + except Exception: + super(Test6RD, cls).tearDown() + raise + + def tearDown(self): + super(Test6RD, self).tearDown() + if not self.vpp_dead: + self.vapi.cli("show hardware") + for i in self.pg_interfaces: + i.unconfig_ip4() + i.unconfig_ip6() + i.admin_down() + if type(self.tunnel_index) is list: + for sw_if_index in self.tunnel_index: + self.vapi.sixrd_del_tunnel(sw_if_index) + else: + self.vapi.sixrd_del_tunnel(self.tunnel_index) + self.vapi.cli("show error") + + def validate_6in4(self, rx, expected): + if IP not in rx: + self.fail() + if IPv6 not in rx: + self.fail() + + self.assertEqual(rx[IP].src, expected[IP].src) + self.assertEqual(rx[IP].dst, expected[IP].dst) + self.assertEqual(rx[IP].proto, expected[IP].proto) + self.assertEqual(rx[IPv6].src, expected[IPv6].src) + self.assertEqual(rx[IPv6].dst, expected[IPv6].dst) + + def validate_4in6(self, rx, expected): + if IPv6 not in rx: + self.fail() + if IP in rx: + self.fail() + + self.assertTrue(rx[IPv6].src == expected[IPv6].src) + self.assertTrue(rx[IPv6].dst == expected[IPv6].dst) + self.assertTrue(rx[IPv6].nh == expected[IPv6].nh) + + def payload(self, len): + return 'x' * len + + def test_6rd_ip6_to_ip4(self): + """ ip6 -> ip4 (encap) 6rd test """ + p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1", nh='UDP') + + rv = self.vapi.sixrd_add_tunnel( + 0, str(ip_address('2002::').packed), 16, + str(ip_address('0.0.0.0').packed), 0, + str(ip_address(self.pg0.local_ip4).packed), 0, True) + + self.assertEqual(rv.retval, 0) + self.tunnel_index = rv.sw_if_index + self.vapi.cli("show ip6 fib") + p_payload = UDP(sport=1234, dport=1234) + p = (p_ether / p_ip6 / p_payload) + + p_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4, + proto='ipv6') / p_ip6) + + rx = self.send_and_expect(self.pg0, p*10, self.pg1) + for p in rx: + self.validate_6in4(p, p_reply) + + # MTU tests (default is 1480) + plen = 1481 - 40 - 8 + p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1") + p_payload = UDP(sport=1234, dport=1234) / Raw(self.payload(plen)) + p = (p_ether / p_ip6 / p_payload) + + p_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4, + proto='ipv6') / p_ip6) + + rx = self.send_and_assert_no_replies(self.pg0, p*10) + + def test_6rd_ip4_to_ip6(self): + """ ip4 -> ip6 (decap) 6rd test """ + + rv = self.vapi.sixrd_add_tunnel( + 0, str(ip_address('2002::').packed), + 16, str(ip_address('0.0.0.0').packed), + 0, str(ip_address(self.pg0.local_ip4).packed), 0, True) + self.assertEqual(rv.retval, 0) + self.tunnel_index = rv.sw_if_index + self.vapi.cli("show ip6 fib") + p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) / + UDP(sport=1234, dport=1234)) + + p = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) / + p_ip6) + + p_reply = p_ip6 + + rx = self.send_and_expect(self.pg0, p*10, self.pg1) + for p in rx: + self.validate_4in6(p, p_reply) + + def test_6rd_ip4_to_ip6_multiple(self): + """ ip4 -> ip6 (decap) 6rd test """ + + self.tunnel_index = [] + rv = self.vapi.sixrd_add_tunnel( + 0, str(ip_address('2002::').packed), + 16, str(ip_address('0.0.0.0').packed), + 0, str(ip_address(self.pg0.local_ip4).packed), 0, True) + self.assertEqual(rv.retval, 0) + self.tunnel_index.append(rv.sw_if_index) + rv = self.vapi.sixrd_add_tunnel( + 0, str(ip_address('2003::').packed), + 16, str(ip_address('0.0.0.0').packed), + 0, str(ip_address(self.pg1.local_ip4).packed), 0, True) + self.assertEqual(rv.retval, 0) + + self.tunnel_index.append(rv.sw_if_index) + + self.vapi.cli("show ip6 fib") + p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) + p_ip6_1 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) / + UDP(sport=1234, dport=1234)) + p_ip6_2 = (IPv6(src="2003:AC10:0202::1", dst=self.pg1.remote_ip6) / + UDP(sport=1234, dport=1234)) + + p = (p_ether / p_ip4 / p_ip6_1) + rx = self.send_and_expect(self.pg0, p*10, self.pg1) + for p in rx: + self.validate_4in6(p, p_ip6_1) + + p = (p_ether / p_ip4 / p_ip6_2) + rx = self.send_and_expect(self.pg0, p*10, self.pg1) + for p in rx: + self.validate_4in6(p, p_ip6_2) + + def test_6rd_ip4_to_ip6_suffix(self): + """ ip4 -> ip6 (decap) 6rd test """ + + rv = self.vapi.sixrd_add_tunnel( + 0, str(ip_address('2002::').packed), 16, + str(ip_address('172.0.0.0').packed), 8, + str(ip_address(self.pg0.local_ip4).packed), 0, True) + self.assertEqual(rv.retval, 0) + + self.tunnel_index = rv.sw_if_index + + self.vapi.cli("show ip6 fib") + p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) + p_ip6 = (IPv6(src="2002:1002:0200::1", dst=self.pg1.remote_ip6) / + UDP(sport=1234, dport=1234)) + + p = (p_ether / p_ip4 / p_ip6) + rx = self.send_and_expect(self.pg0, p*10, self.pg1) + for p in rx: + self.validate_4in6(p, p_ip6) + + def test_6rd_ip4_to_ip6_sec_check(self): + """ ip4 -> ip6 (decap) security check 6rd test """ + + rv = self.vapi.sixrd_add_tunnel( + 0, str(ip_address('2002::').packed), + 16, str(ip_address('0.0.0.0').packed), + 0, str(ip_address(self.pg0.local_ip4).packed), 0, True) + self.assertEqual(rv.retval, 0) + self.tunnel_index = rv.sw_if_index + self.vapi.cli("show ip6 fib") + p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) / + UDP(sport=1234, dport=1234)) + p_ip6_fail = (IPv6(src="2002:DEAD:0202::1", dst=self.pg1.remote_ip6) / + UDP(sport=1234, dport=1234)) + + p = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) / + p_ip6) + + p_reply = p_ip6 + + rx = self.send_and_expect(self.pg0, p*10, self.pg1) + for p in rx: + self.validate_4in6(p, p_reply) + + p = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) / + p_ip6_fail) + rx = self.send_and_assert_no_replies(self.pg0, p*10) + + def test_6rd_bgp_tunnel(self): + """ 6rd BGP tunnel """ + + rv = self.vapi.sixrd_add_tunnel( + 0, str(ip_address('2002::').packed), + 16, str(ip_address('0.0.0.0').packed), + 0, str(ip_address(self.pg0.local_ip4).packed), 0, False) + self.assertEqual(rv.retval, 0) + self.tunnel_index = rv.sw_if_index + + default_route = VppIpRoute( + self, "DEAD::", 16, [VppRoutePath("2002:0808:0808::", + self.tunnel_index, + proto=DpoProto.DPO_PROTO_IP6)], + is_ip6=1) + default_route.add_vpp_config() + + ip4_route = VppIpRoute(self, "8.0.0.0", 8, + [VppRoutePath(self.pg1.remote_ip4, 0xFFFFFFFF)]) + ip4_route.add_vpp_config() + + # Via recursive route 6 -> 4 + p = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IPv6(src="1::1", dst="DEAD:BEEF::1") / + UDP(sport=1234, dport=1234)) + + p_reply = (IP(src=self.pg0.local_ip4, dst="8.8.8.8", + proto='ipv6') / + IPv6(src='1::1', dst='DEAD:BEEF::1', nh='UDP')) + + rx = self.send_and_expect(self.pg0, p*10, self.pg1) + for p in rx: + self.validate_6in4(p, p_reply) + + # Via recursive route 4 -> 6 (Security check must be disabled) + p_ip6 = (IPv6(src="DEAD:BEEF::1", dst=self.pg1.remote_ip6) / + UDP(sport=1234, dport=1234)) + p = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src="8.8.8.8", dst=self.pg0.local_ip4) / + p_ip6) + + p_reply = p_ip6 + + rx = self.send_and_expect(self.pg0, p*10, self.pg1) + for p in rx: + self.validate_4in6(p, p_reply) + + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) |