2 """ 6RD RFC5969 functional tests """
5 from scapy.layers.inet import IP, UDP, Ether
6 from scapy.layers.inet6 import IPv6
7 from scapy.packet import Raw
8 from framework import VppTestCase, VppTestRunner
9 from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto, VppIpTable
10 from socket import AF_INET, AF_INET6, inet_pton
12 """ Test6rd is a subclass of VPPTestCase classes.
19 class Test6RD(VppTestCase):
24 super(Test6RD, cls).setUpClass()
25 cls.create_pg_interfaces(range(4))
26 cls.interfaces = list(cls.pg_interfaces)
29 super(Test6RD, self).setUp()
30 t4 = VppIpTable(self, 10)
31 t6 = VppIpTable(self, 20, True)
37 i = self.pg_interfaces[n]
49 for i in self.pg_interfaces:
54 super(Test6RD, self).tearDown()
56 def validate_6in4(self, rx, expected):
62 self.assertEqual(rx[IP].src, expected[IP].src)
63 self.assertEqual(rx[IP].dst, expected[IP].dst)
64 self.assertEqual(rx[IP].proto, expected[IP].proto)
65 self.assertEqual(rx[IPv6].src, expected[IPv6].src)
66 self.assertEqual(rx[IPv6].dst, expected[IPv6].dst)
68 def validate_4in6(self, rx, expected):
74 self.assertTrue(rx[IPv6].src == expected[IPv6].src)
75 self.assertTrue(rx[IPv6].dst == expected[IPv6].dst)
76 self.assertTrue(rx[IPv6].nh == expected[IPv6].nh)
78 def payload(self, len):
81 def test_6rd_ip6_to_ip4(self):
82 """ ip6 -> ip4 (encap) 6rd test """
83 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
84 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1", nh='UDP')
86 rv = self.vapi.ipip_6rd_add_tunnel(
87 0, inet_pton(AF_INET6, '2002::'), 16,
88 0, inet_pton(AF_INET, '0.0.0.0'), 0,
89 self.pg0.local_ip4n, True)
90 self.tunnel_index = rv.sw_if_index
92 self.vapi.cli("show ip6 fib")
93 p_payload = UDP(sport=1234, dport=1234)
94 p = (p_ether / p_ip6 / p_payload)
96 p_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4,
97 proto='ipv6') / p_ip6)
99 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
101 self.validate_6in4(p, p_reply)
103 # MTU tests (default is 1480)
105 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1")
106 p_payload = UDP(sport=1234, dport=1234) / Raw(self.payload(plen))
107 p = (p_ether / p_ip6 / p_payload)
109 p_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4,
110 proto='ipv6') / p_ip6)
112 rx = self.send_and_assert_no_replies(self.pg0, p*10)
113 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
115 def test_6rd_ip6_to_ip4_vrf(self):
116 """ ip6 -> ip4 (encap) 6rd VRF test """
117 p_ether = Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
118 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0402::1", nh='UDP')
120 rv = self.vapi.ipip_6rd_add_tunnel(
121 20, inet_pton(AF_INET6, '2002::'), 16,
122 10, inet_pton(AF_INET, '0.0.0.0'), 0,
123 self.pg2.local_ip4n, True)
124 self.tunnel_index = rv.sw_if_index
126 self.vapi.cli("show ip6 fib")
127 p_payload = UDP(sport=1234, dport=1234)
128 p = (p_ether / p_ip6 / p_payload)
130 p_reply = (IP(src=self.pg2.local_ip4, dst=self.pg3.remote_ip4,
131 proto='ipv6') / p_ip6)
133 rx = self.send_and_expect(self.pg2, p*10, self.pg3)
135 self.validate_6in4(p, p_reply)
137 # MTU tests (default is 1480)
139 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0402::1")
140 p_payload = UDP(sport=1234, dport=1234) / Raw(self.payload(plen))
141 p = (p_ether / p_ip6 / p_payload)
143 p_reply = (IP(src=self.pg2.local_ip4, dst=self.pg3.remote_ip4,
144 proto='ipv6') / p_ip6)
146 rx = self.send_and_assert_no_replies(self.pg0, p*10)
147 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
149 def test_6rd_ip4_to_ip6(self):
150 """ ip4 -> ip6 (decap) 6rd test """
152 rv = self.vapi.ipip_6rd_add_tunnel(
153 0, inet_pton(AF_INET6, '2002::'), 16,
154 0, inet_pton(AF_INET, '0.0.0.0'), 0,
155 self.pg0.local_ip4n, True)
156 self.tunnel_index = rv.sw_if_index
157 rv = self.vapi.ipip_6rd_del_tunnel(rv.sw_if_index)
158 rv = self.vapi.ipip_6rd_add_tunnel(
159 0, inet_pton(AF_INET6, '2002::'), 16,
160 0, inet_pton(AF_INET, '0.0.0.0'), 0,
161 self.pg0.local_ip4n, True)
162 self.tunnel_index = rv.sw_if_index
164 p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
165 UDP(sport=1234, dport=1234))
167 p = (Ether(src=self.pg0.remote_mac,
168 dst=self.pg0.local_mac) /
169 IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
174 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
176 self.validate_4in6(p, p_reply)
177 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
179 def test_6rd_ip4_to_ip6_vrf(self):
180 """ ip4 -> ip6 (decap) 6rd VRF test """
182 rv = self.vapi.ipip_6rd_add_tunnel(
183 20, inet_pton(AF_INET6, '2002::'), 16,
184 10, inet_pton(AF_INET, '0.0.0.0'), 0,
185 self.pg2.local_ip4n, True)
186 self.tunnel_index = rv.sw_if_index
187 rv = self.vapi.ipip_6rd_del_tunnel(rv.sw_if_index)
188 rv = self.vapi.ipip_6rd_add_tunnel(
189 20, inet_pton(AF_INET6, '2002::'), 16,
190 10, inet_pton(AF_INET, '0.0.0.0'), 0,
191 self.pg2.local_ip4n, True)
192 self.tunnel_index = rv.sw_if_index
193 self.vapi.sw_interface_set_table(self.tunnel_index, 1, 20)
195 p_ip6 = (IPv6(src="2002:AC10:0402::1", dst=self.pg3.remote_ip6) /
196 UDP(sport=1234, dport=1234))
198 p = (Ether(src=self.pg2.remote_mac,
199 dst=self.pg2.local_mac) /
200 IP(src=self.pg3.remote_ip4, dst=self.pg2.local_ip4) /
205 rx = self.send_and_expect(self.pg2, p*10, self.pg3)
207 self.validate_4in6(p, p_reply)
208 self.vapi.sw_interface_set_table(self.tunnel_index, 1, 0)
209 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
211 def test_6rd_ip4_to_ip6_multiple(self):
212 """ ip4 -> ip6 (decap) 6rd test """
214 self.tunnel_index = []
215 rv = self.vapi.ipip_6rd_add_tunnel(
216 0, inet_pton(AF_INET6, '2002::'), 16,
217 0, inet_pton(AF_INET, '0.0.0.0'), 0,
218 self.pg0.local_ip4n, True)
219 self.tunnel_index.append(rv.sw_if_index)
221 rv = self.vapi.ipip_6rd_add_tunnel(
222 0, inet_pton(AF_INET6, '2003::'), 16,
223 0, inet_pton(AF_INET, '0.0.0.0'), 0,
224 self.pg1.local_ip4n, True)
225 self.tunnel_index.append(rv.sw_if_index)
227 self.vapi.cli("show ip6 fib")
228 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
229 p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4)
230 p_ip6_1 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
231 UDP(sport=1234, dport=1234))
232 p_ip6_2 = (IPv6(src="2003:AC10:0202::1", dst=self.pg1.remote_ip6) /
233 UDP(sport=1234, dport=1234))
235 p = (p_ether / p_ip4 / p_ip6_1)
236 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
238 self.validate_4in6(p, p_ip6_1)
240 p = (p_ether / p_ip4 / p_ip6_2)
241 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
243 self.validate_4in6(p, p_ip6_2)
244 for i in self.tunnel_index:
245 self.vapi.ipip_6rd_del_tunnel(i)
247 def test_6rd_ip4_to_ip6_suffix(self):
248 """ ip4 -> ip6 (decap) 6rd test """
250 rv = self.vapi.ipip_6rd_add_tunnel(
251 0, inet_pton(AF_INET6, '2002::'), 16,
252 0, inet_pton(AF_INET, '172.0.0.0'), 8,
253 self.pg0.local_ip4n, True)
255 self.tunnel_index = rv.sw_if_index
257 self.vapi.cli("show ip6 fib")
258 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
259 p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4)
260 p_ip6 = (IPv6(src="2002:1002:0200::1", dst=self.pg1.remote_ip6) /
261 UDP(sport=1234, dport=1234))
263 p = (p_ether / p_ip4 / p_ip6)
264 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
266 self.validate_4in6(p, p_ip6)
267 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
269 def test_6rd_ip4_to_ip6_sec_check(self):
270 """ ip4 -> ip6 (decap) security check 6rd test """
272 rv = self.vapi.ipip_6rd_add_tunnel(
273 0, inet_pton(AF_INET6, '2002::'), 16,
274 0, inet_pton(AF_INET, '0.0.0.0'), 0,
275 self.pg0.local_ip4n, True)
276 self.tunnel_index = rv.sw_if_index
278 self.vapi.cli("show ip6 fib")
279 p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
280 UDP(sport=1234, dport=1234))
281 p_ip6_fail = (IPv6(src="2002:DEAD:0202::1", dst=self.pg1.remote_ip6) /
282 UDP(sport=1234, dport=1234))
284 p = (Ether(src=self.pg0.remote_mac,
285 dst=self.pg0.local_mac) /
286 IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
291 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
293 self.validate_4in6(p, p_reply)
295 p = (Ether(src=self.pg0.remote_mac,
296 dst=self.pg0.local_mac) /
297 IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
299 rx = self.send_and_assert_no_replies(self.pg0, p*10)
300 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
302 def test_6rd_bgp_tunnel(self):
303 """ 6rd BGP tunnel """
305 rv = self.vapi.ipip_6rd_add_tunnel(
306 0, inet_pton(AF_INET6, '2002::'), 16,
307 0, inet_pton(AF_INET, '0.0.0.0'), 0,
308 self.pg0.local_ip4n, False)
309 self.tunnel_index = rv.sw_if_index
311 default_route = VppIpRoute(
312 self, "DEAD::", 16, [VppRoutePath("2002:0808:0808::",
314 proto=DpoProto.DPO_PROTO_IP6)],
316 default_route.add_vpp_config()
318 ip4_route = VppIpRoute(self, "8.0.0.0", 8,
319 [VppRoutePath(self.pg1.remote_ip4, 0xFFFFFFFF)])
320 ip4_route.add_vpp_config()
322 # Via recursive route 6 -> 4
323 p = (Ether(src=self.pg0.remote_mac,
324 dst=self.pg0.local_mac) /
325 IPv6(src="1::1", dst="DEAD:BEEF::1") /
326 UDP(sport=1234, dport=1234))
328 p_reply = (IP(src=self.pg0.local_ip4, dst="8.8.8.8",
330 IPv6(src='1::1', dst='DEAD:BEEF::1', nh='UDP'))
332 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
334 self.validate_6in4(p, p_reply)
336 # Via recursive route 4 -> 6 (Security check must be disabled)
337 p_ip6 = (IPv6(src="DEAD:BEEF::1", dst=self.pg1.remote_ip6) /
338 UDP(sport=1234, dport=1234))
339 p = (Ether(src=self.pg0.remote_mac,
340 dst=self.pg0.local_mac) /
341 IP(src="8.8.8.8", dst=self.pg0.local_ip4) /
346 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
348 self.validate_4in6(p, p_reply)
349 ip4_route.remove_vpp_config()
350 default_route.remove_vpp_config()
351 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
354 if __name__ == '__main__':
355 unittest.main(testRunner=VppTestRunner)