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 import DpoProto
10 from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable
11 from socket import AF_INET, AF_INET6, inet_pton
13 """ Test6rd is a subclass of VPPTestCase classes.
20 class Test6RD(VppTestCase):
25 super(Test6RD, cls).setUpClass()
26 cls.create_pg_interfaces(range(4))
27 cls.interfaces = list(cls.pg_interfaces)
30 def tearDownClass(cls):
31 super(Test6RD, cls).tearDownClass()
34 super(Test6RD, self).setUp()
35 t4 = VppIpTable(self, 10)
36 t6 = VppIpTable(self, 20, True)
42 i = self.pg_interfaces[n]
54 for i in self.pg_interfaces:
59 super(Test6RD, self).tearDown()
61 def validate_6in4(self, rx, expected):
67 self.assertEqual(rx[IP].src, expected[IP].src)
68 self.assertEqual(rx[IP].dst, expected[IP].dst)
69 self.assertEqual(rx[IP].proto, expected[IP].proto)
70 self.assertEqual(rx[IPv6].src, expected[IPv6].src)
71 self.assertEqual(rx[IPv6].dst, expected[IPv6].dst)
73 def validate_4in6(self, rx, expected):
79 self.assertEqual(rx[IPv6].src, expected[IPv6].src)
80 self.assertEqual(rx[IPv6].dst, expected[IPv6].dst)
81 self.assertEqual(rx[IPv6].nh, expected[IPv6].nh)
83 def payload(self, len):
86 def test_6rd_ip6_to_ip4(self):
87 """ ip6 -> ip4 (encap) 6rd test """
88 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
89 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1", nh='UDP')
91 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
93 ip6_prefix='2002::/16',
94 ip4_prefix='0.0.0.0/0',
95 ip4_src=self.pg0.local_ip4,
98 self.tunnel_index = rv.sw_if_index
100 self.vapi.cli("show ip6 fib")
101 p_payload = UDP(sport=1234, dport=1234)
102 p = (p_ether / p_ip6 / p_payload)
104 p_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4,
105 proto='ipv6') / p_ip6)
107 rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
109 self.validate_6in4(p, p_reply)
111 # MTU tests (default is 1480)
113 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1")
114 p_payload = UDP(sport=1234, dport=1234) / Raw(self.payload(plen))
115 p = (p_ether / p_ip6 / p_payload)
117 p_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4,
118 proto='ipv6') / p_ip6)
120 rx = self.send_and_assert_no_replies(self.pg0, p * 10)
121 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
123 def test_6rd_ip6_to_ip4_vrf(self):
124 """ ip6 -> ip4 (encap) 6rd VRF test """
125 p_ether = Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
126 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0402::1", nh='UDP')
128 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=20, ip4_table_id=10,
129 ip6_prefix='2002::/16',
130 ip4_prefix='0.0.0.0/0',
131 ip4_src=self.pg2.local_ip4,
133 self.tunnel_index = rv.sw_if_index
135 self.vapi.cli("show ip6 fib")
136 p_payload = UDP(sport=1234, dport=1234)
137 p = (p_ether / p_ip6 / p_payload)
139 p_reply = (IP(src=self.pg2.local_ip4, dst=self.pg3.remote_ip4,
140 proto='ipv6') / p_ip6)
142 rx = self.send_and_expect(self.pg2, p * 10, self.pg3)
144 self.validate_6in4(p, p_reply)
146 # MTU tests (default is 1480)
148 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0402::1")
149 p_payload = UDP(sport=1234, dport=1234) / Raw(self.payload(plen))
150 p = (p_ether / p_ip6 / p_payload)
152 p_reply = (IP(src=self.pg2.local_ip4, dst=self.pg3.remote_ip4,
153 proto='ipv6') / p_ip6)
155 rx = self.send_and_assert_no_replies(self.pg0, p * 10)
156 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
158 def test_6rd_ip4_to_ip6(self):
159 """ ip4 -> ip6 (decap) 6rd test """
161 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
163 ip6_prefix='2002::/16',
164 ip4_prefix='0.0.0.0/0',
165 ip4_src=self.pg0.local_ip4,
167 self.tunnel_index = rv.sw_if_index
168 rv = self.vapi.ipip_6rd_del_tunnel(rv.sw_if_index)
169 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
171 ip6_prefix='2002::/16',
172 ip4_prefix='0.0.0.0/0',
173 ip4_src=self.pg0.local_ip4,
175 self.tunnel_index = rv.sw_if_index
177 p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
178 UDP(sport=1234, dport=1234))
180 p = (Ether(src=self.pg0.remote_mac,
181 dst=self.pg0.local_mac) /
182 IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
187 rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
189 self.validate_4in6(p, p_reply)
190 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
192 def test_6rd_ip4_to_ip6_vrf(self):
193 """ ip4 -> ip6 (decap) 6rd VRF test """
195 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=20,
197 ip6_prefix='2002::/16',
198 ip4_prefix='0.0.0.0/0',
199 ip4_src=self.pg2.local_ip4,
201 self.tunnel_index = rv.sw_if_index
202 rv = self.vapi.ipip_6rd_del_tunnel(rv.sw_if_index)
203 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=20,
205 ip6_prefix='2002::/16',
206 ip4_prefix='0.0.0.0/0',
207 ip4_src=self.pg2.local_ip4,
209 self.tunnel_index = rv.sw_if_index
210 self.vapi.sw_interface_set_table(self.tunnel_index, 1, 20)
212 p_ip6 = (IPv6(src="2002:AC10:0402::1", dst=self.pg3.remote_ip6) /
213 UDP(sport=1234, dport=1234))
215 p = (Ether(src=self.pg2.remote_mac,
216 dst=self.pg2.local_mac) /
217 IP(src=self.pg3.remote_ip4, dst=self.pg2.local_ip4) /
222 rx = self.send_and_expect(self.pg2, p * 10, self.pg3)
224 self.validate_4in6(p, p_reply)
225 self.vapi.sw_interface_set_table(self.tunnel_index, 1, 0)
226 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
228 def test_6rd_ip4_to_ip6_multiple(self):
229 """ ip4 -> ip6 (decap) 6rd test """
231 self.tunnel_index = []
232 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
234 ip6_prefix='2002::/16',
235 ip4_prefix='0.0.0.0/0',
236 ip4_src=self.pg0.local_ip4,
238 self.tunnel_index.append(rv.sw_if_index)
239 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
241 ip6_prefix='2003::/16',
242 ip4_prefix='0.0.0.0/0',
243 ip4_src=self.pg1.local_ip4,
246 self.tunnel_index.append(rv.sw_if_index)
248 self.vapi.cli("show ip6 fib")
249 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
250 p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4)
251 p_ip6_1 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
252 UDP(sport=1234, dport=1234))
253 p_ip6_2 = (IPv6(src="2003:AC10:0202::1", dst=self.pg1.remote_ip6) /
254 UDP(sport=1234, dport=1234))
256 p = (p_ether / p_ip4 / p_ip6_1)
257 rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
259 self.validate_4in6(p, p_ip6_1)
261 p = (p_ether / p_ip4 / p_ip6_2)
262 rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
264 self.validate_4in6(p, p_ip6_2)
265 for i in self.tunnel_index:
266 self.vapi.ipip_6rd_del_tunnel(i)
268 def test_6rd_ip4_to_ip6_suffix(self):
269 """ ip4 -> ip6 (decap) 6rd test """
271 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
273 ip6_prefix='2002::/16',
274 ip4_prefix='172.0.0.0/8',
275 ip4_src=self.pg0.local_ip4,
277 self.tunnel_index = rv.sw_if_index
279 self.vapi.cli("show ip6 fib")
280 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
281 p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4)
282 p_ip6 = (IPv6(src="2002:1002:0200::1", dst=self.pg1.remote_ip6) /
283 UDP(sport=1234, dport=1234))
285 p = (p_ether / p_ip4 / p_ip6)
286 rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
288 self.validate_4in6(p, p_ip6)
289 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
291 def test_6rd_ip4_to_ip6_sec_check(self):
292 """ ip4 -> ip6 (decap) security check 6rd test """
294 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
296 ip6_prefix='2002::/16',
297 ip4_prefix='0.0.0.0/0',
298 ip4_src=self.pg0.local_ip4,
300 self.tunnel_index = rv.sw_if_index
302 self.vapi.cli("show ip6 fib")
303 p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
304 UDP(sport=1234, dport=1234))
305 p_ip6_fail = (IPv6(src="2002:DEAD:0202::1", dst=self.pg1.remote_ip6) /
306 UDP(sport=1234, dport=1234))
308 p = (Ether(src=self.pg0.remote_mac,
309 dst=self.pg0.local_mac) /
310 IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
315 rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
317 self.validate_4in6(p, p_reply)
319 p = (Ether(src=self.pg0.remote_mac,
320 dst=self.pg0.local_mac) /
321 IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
323 rx = self.send_and_assert_no_replies(self.pg0, p * 10)
324 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
326 def test_6rd_bgp_tunnel(self):
327 """ 6rd BGP tunnel """
329 rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
331 ip6_prefix='2002::/16',
332 ip4_prefix='0.0.0.0/0',
333 ip4_src=self.pg0.local_ip4,
334 security_check=False)
336 self.tunnel_index = rv.sw_if_index
338 default_route = VppIpRoute(
339 self, "DEAD::", 16, [VppRoutePath("2002:0808:0808::",
341 proto=DpoProto.DPO_PROTO_IP6)],
343 default_route.add_vpp_config()
345 ip4_route = VppIpRoute(self, "8.0.0.0", 8,
346 [VppRoutePath(self.pg1.remote_ip4, 0xFFFFFFFF)])
347 ip4_route.add_vpp_config()
349 # Via recursive route 6 -> 4
350 p = (Ether(src=self.pg0.remote_mac,
351 dst=self.pg0.local_mac) /
352 IPv6(src="1::1", dst="DEAD:BEEF::1") /
353 UDP(sport=1234, dport=1234))
355 p_reply = (IP(src=self.pg0.local_ip4, dst="8.8.8.8",
357 IPv6(src='1::1', dst='DEAD:BEEF::1', nh='UDP'))
359 rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
361 self.validate_6in4(p, p_reply)
363 # Via recursive route 4 -> 6 (Security check must be disabled)
364 p_ip6 = (IPv6(src="DEAD:BEEF::1", dst=self.pg1.remote_ip6) /
365 UDP(sport=1234, dport=1234))
366 p = (Ether(src=self.pg0.remote_mac,
367 dst=self.pg0.local_mac) /
368 IP(src="8.8.8.8", dst=self.pg0.local_ip4) /
373 rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
375 self.validate_4in6(p, p_reply)
376 ip4_route.remove_vpp_config()
377 default_route.remove_vpp_config()
378 self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
381 if __name__ == '__main__':
382 unittest.main(testRunner=VppTestRunner)