2 # 6RD RFC5969 functional tests
6 from scapy.layers.inet import IP, UDP, ICMP
7 from scapy.layers.inet6 import IPv6
8 from scapy.layers.l2 import Ether, GRE
9 from scapy.packet import Raw
11 from framework import VppTestCase
12 from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto
14 from ipaddress import *
16 """ Test6rd is a subclass of VPPTestCase classes.
23 class Test6RD(VppTestCase):
28 super(Test6RD, cls).setUpClass()
30 cls.create_pg_interfaces(range(2))
31 cls.interfaces = list(cls.pg_interfaces)
33 super(Test6RD, cls).tearDownClass()
37 super(Test6RD, cls).setUp()
39 for i in cls.interfaces:
47 super(Test6RD, cls).tearDown()
51 super(Test6RD, self).tearDown()
53 self.vapi.cli("show hardware")
54 for i in self.pg_interfaces:
58 if type(self.tunnel_index) is list:
59 for sw_if_index in self.tunnel_index:
60 rv = self.vapi.ipip_6rd_del_tunnel(sw_if_index)
61 self.assertEqual(rv.retval, 0)
63 rv = self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
64 self.assertEqual(rv.retval, 0)
65 self.vapi.cli("show error")
67 def validate_6in4(self, rx, expected):
73 self.assertEqual(rx[IP].src, expected[IP].src)
74 self.assertEqual(rx[IP].dst, expected[IP].dst)
75 self.assertEqual(rx[IP].proto, expected[IP].proto)
76 self.assertEqual(rx[IPv6].src, expected[IPv6].src)
77 self.assertEqual(rx[IPv6].dst, expected[IPv6].dst)
79 def validate_4in6(self, rx, expected):
85 self.assertTrue(rx[IPv6].src == expected[IPv6].src)
86 self.assertTrue(rx[IPv6].dst == expected[IPv6].dst)
87 self.assertTrue(rx[IPv6].nh == expected[IPv6].nh)
89 def payload(self, len):
92 def test_6rd_ip6_to_ip4(self):
93 """ ip6 -> ip4 (encap) 6rd test """
94 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
95 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1", nh='UDP')
97 rv = self.vapi.ipip_6rd_add_tunnel(
98 0, str(ip_address('2002::').packed), 16,
99 str(ip_address('0.0.0.0').packed), 0,
100 str(ip_address(self.pg0.local_ip4).packed), True)
102 self.assertEqual(rv.retval, 0)
103 self.tunnel_index = rv.sw_if_index
105 self.vapi.cli("show ip6 fib")
106 p_payload = UDP(sport=1234, dport=1234)
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_expect(self.pg0, p*10, self.pg1)
114 self.validate_6in4(p, p_reply)
116 # MTU tests (default is 1480)
118 p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1")
119 p_payload = UDP(sport=1234, dport=1234) / Raw(self.payload(plen))
120 p = (p_ether / p_ip6 / p_payload)
122 p_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4,
123 proto='ipv6') / p_ip6)
125 rx = self.send_and_assert_no_replies(self.pg0, p*10)
127 def test_6rd_ip4_to_ip6(self):
128 """ ip4 -> ip6 (decap) 6rd test """
130 rv = self.vapi.ipip_6rd_add_tunnel(
131 0, str(ip_address('2002::').packed),
132 16, str(ip_address('0.0.0.0').packed),
133 0, str(ip_address(self.pg0.local_ip4).packed), True)
134 self.assertEqual(rv.retval, 0)
135 self.tunnel_index = rv.sw_if_index
136 rv = self.vapi.ipip_6rd_del_tunnel(rv.sw_if_index)
137 self.assertEqual(rv.retval, 0)
138 rv = self.vapi.ipip_6rd_add_tunnel(
139 0, str(ip_address('2002::').packed),
140 16, str(ip_address('0.0.0.0').packed),
141 0, str(ip_address(self.pg0.local_ip4).packed), True)
142 self.tunnel_index = rv.sw_if_index
143 self.assertEqual(rv.retval, 0)
145 p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
146 UDP(sport=1234, dport=1234))
148 p = (Ether(src=self.pg0.remote_mac,
149 dst=self.pg0.local_mac) /
150 IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
155 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
157 self.validate_4in6(p, p_reply)
159 def test_6rd_ip4_to_ip6_multiple(self):
160 """ ip4 -> ip6 (decap) 6rd test """
162 self.tunnel_index = []
163 rv = self.vapi.ipip_6rd_add_tunnel(
164 0, str(ip_address('2002::').packed),
165 16, str(ip_address('0.0.0.0').packed),
166 0, str(ip_address(self.pg0.local_ip4).packed), True)
167 self.assertEqual(rv.retval, 0)
168 self.tunnel_index.append(rv.sw_if_index)
170 rv = self.vapi.ipip_6rd_add_tunnel(
171 0, str(ip_address('2003::').packed),
172 16, str(ip_address('0.0.0.0').packed),
173 0, str(ip_address(self.pg1.local_ip4).packed), True)
174 self.assertEqual(rv.retval, 0)
175 self.tunnel_index.append(rv.sw_if_index)
177 self.vapi.cli("show ip6 fib")
178 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
179 p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4)
180 p_ip6_1 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
181 UDP(sport=1234, dport=1234))
182 p_ip6_2 = (IPv6(src="2003:AC10:0202::1", dst=self.pg1.remote_ip6) /
183 UDP(sport=1234, dport=1234))
185 p = (p_ether / p_ip4 / p_ip6_1)
186 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
188 self.validate_4in6(p, p_ip6_1)
190 p = (p_ether / p_ip4 / p_ip6_2)
191 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
193 self.validate_4in6(p, p_ip6_2)
195 def test_6rd_ip4_to_ip6_suffix(self):
196 """ ip4 -> ip6 (decap) 6rd test """
198 rv = self.vapi.ipip_6rd_add_tunnel(
199 0, str(ip_address('2002::').packed), 16,
200 str(ip_address('172.0.0.0').packed), 8,
201 str(ip_address(self.pg0.local_ip4).packed), True)
202 self.assertEqual(rv.retval, 0)
204 self.tunnel_index = rv.sw_if_index
206 self.vapi.cli("show ip6 fib")
207 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
208 p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4)
209 p_ip6 = (IPv6(src="2002:1002:0200::1", dst=self.pg1.remote_ip6) /
210 UDP(sport=1234, dport=1234))
212 p = (p_ether / p_ip4 / p_ip6)
213 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
215 self.validate_4in6(p, p_ip6)
217 def test_6rd_ip4_to_ip6_sec_check(self):
218 """ ip4 -> ip6 (decap) security check 6rd test """
220 rv = self.vapi.ipip_6rd_add_tunnel(
221 0, str(ip_address('2002::').packed),
222 16, str(ip_address('0.0.0.0').packed),
223 0, str(ip_address(self.pg0.local_ip4).packed), True)
224 self.assertEqual(rv.retval, 0)
225 self.tunnel_index = rv.sw_if_index
227 self.vapi.cli("show ip6 fib")
228 p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
229 UDP(sport=1234, dport=1234))
230 p_ip6_fail = (IPv6(src="2002:DEAD:0202::1", dst=self.pg1.remote_ip6) /
231 UDP(sport=1234, dport=1234))
233 p = (Ether(src=self.pg0.remote_mac,
234 dst=self.pg0.local_mac) /
235 IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
240 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
242 self.validate_4in6(p, p_reply)
244 p = (Ether(src=self.pg0.remote_mac,
245 dst=self.pg0.local_mac) /
246 IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
248 rx = self.send_and_assert_no_replies(self.pg0, p*10)
250 def test_6rd_bgp_tunnel(self):
251 """ 6rd BGP tunnel """
253 rv = self.vapi.ipip_6rd_add_tunnel(
254 0, str(ip_address('2002::').packed),
255 16, str(ip_address('0.0.0.0').packed),
256 0, str(ip_address(self.pg0.local_ip4).packed), False)
257 self.assertEqual(rv.retval, 0)
258 self.tunnel_index = rv.sw_if_index
260 default_route = VppIpRoute(
261 self, "DEAD::", 16, [VppRoutePath("2002:0808:0808::",
263 proto=DpoProto.DPO_PROTO_IP6)],
265 default_route.add_vpp_config()
267 ip4_route = VppIpRoute(self, "8.0.0.0", 8,
268 [VppRoutePath(self.pg1.remote_ip4, 0xFFFFFFFF)])
269 ip4_route.add_vpp_config()
271 # Via recursive route 6 -> 4
272 p = (Ether(src=self.pg0.remote_mac,
273 dst=self.pg0.local_mac) /
274 IPv6(src="1::1", dst="DEAD:BEEF::1") /
275 UDP(sport=1234, dport=1234))
277 p_reply = (IP(src=self.pg0.local_ip4, dst="8.8.8.8",
279 IPv6(src='1::1', dst='DEAD:BEEF::1', nh='UDP'))
281 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
283 self.validate_6in4(p, p_reply)
285 # Via recursive route 4 -> 6 (Security check must be disabled)
286 p_ip6 = (IPv6(src="DEAD:BEEF::1", dst=self.pg1.remote_ip6) /
287 UDP(sport=1234, dport=1234))
288 p = (Ether(src=self.pg0.remote_mac,
289 dst=self.pg0.local_mac) /
290 IP(src="8.8.8.8", dst=self.pg0.local_ip4) /
295 rx = self.send_and_expect(self.pg0, p*10, self.pg1)
297 self.validate_4in6(p, p_reply)
300 if __name__ == '__main__':
301 unittest.main(testRunner=VppTestRunner)