2 """IP{4,6} over IP{v,6} tunnel functional tests"""
5 from scapy.layers.inet6 import IPv6, Ether, IP, UDP
6 from framework import VppTestCase, VppTestRunner
7 from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto
8 from socket import AF_INET, AF_INET6, inet_pton
10 """ Testipip is a subclass of VPPTestCase classes.
17 class TestIPIP(VppTestCase):
18 """ IPIP Test Case """
22 super(TestIPIP, cls).setUpClass()
23 cls.create_pg_interfaces(range(2))
24 cls.interfaces = list(cls.pg_interfaces)
27 super(TestIPIP, cls).setUp()
28 for i in cls.interfaces:
37 super(TestIPIP, self).tearDown()
39 for i in self.pg_interfaces:
44 def validate(self, rx, expected):
45 self.assertEqual(rx, expected.__class__(str(expected)))
48 """ ip{v4,v6} over ip4 test """
49 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
50 p_ip6 = IPv6(src="1::1", dst="DEAD::1", nh='UDP', tc=42)
51 p_ip4 = IP(src="1.2.3.4", dst="130.67.0.1", tos=42)
52 p_payload = UDP(sport=1234, dport=1234)
55 rv = self.vapi.ipip_add_tunnel(
56 src_address=self.pg0.local_ip4n,
57 dst_address=self.pg1.remote_ip4n,
58 is_ipv6=0, tc_tos=0xFF)
59 sw_if_index = rv.sw_if_index
61 # Set interface up and enable IP on it
62 self.vapi.sw_interface_set_flags(sw_if_index, 1)
63 self.vapi.sw_interface_set_unnumbered(
64 ip_sw_if_index=self.pg0.sw_if_index,
65 sw_if_index=sw_if_index)
67 # Add IPv4 and IPv6 routes via tunnel interface
68 ip4_via_tunnel = VppIpRoute(
69 self, "130.67.0.0", 16,
70 [VppRoutePath("0.0.0.0",
72 proto=DpoProto.DPO_PROTO_IP4)], is_ip6=0)
73 ip4_via_tunnel.add_vpp_config()
75 ip6_via_tunnel = VppIpRoute(
79 proto=DpoProto.DPO_PROTO_IP6)], is_ip6=1)
80 ip6_via_tunnel.add_vpp_config()
82 # IPv6 in to IPv4 tunnel
83 p6 = (p_ether / p_ip6 / p_payload)
86 p6_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4,
87 proto='ipv6', id=0, tos=42) / p_inner_ip6 / p_payload)
89 rx = self.send_and_expect(self.pg0, p6*10, self.pg1)
91 self.validate(p[1], p6_reply)
93 # IPv4 in to IPv4 tunnel
94 p4 = (p_ether / p_ip4 / p_payload)
97 p4_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4,
99 p_ip4_inner / p_payload)
102 rx = self.send_and_expect(self.pg0, p4*10, self.pg1)
104 self.validate(p[1], p4_reply)
107 p_ether = Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
109 # IPv4 tunnel to IPv4
110 p_ip4 = IP(src="1.2.3.4", dst=self.pg0.remote_ip4)
111 p4 = (p_ether / IP(src=self.pg1.remote_ip4,
112 dst=self.pg0.local_ip4) / p_ip4 / p_payload)
113 p4_reply = (p_ip4 / p_payload)
115 rx = self.send_and_expect(self.pg1, p4*10, self.pg0)
117 self.validate(p[1], p4_reply)
119 # IPv4 tunnel to IPv6
120 p_ip6 = IPv6(src="1:2:3::4", dst=self.pg0.remote_ip6)
121 p6 = (p_ether / IP(src=self.pg1.remote_ip4,
122 dst=self.pg0.local_ip4) / p_ip6 / p_payload)
123 p6_reply = (p_ip6 / p_payload)
125 rx = self.send_and_expect(self.pg1, p6*10, self.pg0)
127 self.validate(p[1], p6_reply)
129 def test_ipip6(self):
130 """ ip{v4,v6} over ip6 test """
131 p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
132 p_ip6 = IPv6(src="1::1", dst="DEAD::1", tc=42, nh='UDP')
133 p_ip4 = IP(src="1.2.3.4", dst="130.67.0.1", tos=42)
134 p_payload = UDP(sport=1234, dport=1234)
137 rv = self.vapi.ipip_add_tunnel(
138 src_address=self.pg0.local_ip6n,
139 dst_address=self.pg1.remote_ip6n, tc_tos=255)
141 sw_if_index = rv.sw_if_index
143 self.vapi.sw_interface_set_flags(sw_if_index, 1)
144 self.vapi.sw_interface_set_unnumbered(
145 ip_sw_if_index=self.pg0.sw_if_index, sw_if_index=sw_if_index)
147 # Add IPv4 and IPv6 routes via tunnel interface
148 ip4_via_tunnel = VppIpRoute(
149 self, "130.67.0.0", 16,
150 [VppRoutePath("0.0.0.0",
152 proto=DpoProto.DPO_PROTO_IP4)], is_ip6=0)
153 ip4_via_tunnel.add_vpp_config()
155 ip6_via_tunnel = VppIpRoute(
159 proto=DpoProto.DPO_PROTO_IP6)], is_ip6=1)
160 ip6_via_tunnel.add_vpp_config()
164 # IPv6 in to IPv6 tunnel
165 p6 = (p_ether / p_ip6 / p_payload)
166 p6_reply = (IPv6(src=self.pg0.local_ip6, dst=self.pg1.remote_ip6,
169 p6_reply[1].hlim -= 1
170 rx = self.send_and_expect(self.pg0, p6*11, self.pg1)
172 self.validate(p[1], p6_reply)
174 # IPv4 in to IPv6 tunnel
175 p4 = (p_ether / p_ip4 / p_payload)
176 p4_reply = (IPv6(src=self.pg0.local_ip6,
177 dst=self.pg1.remote_ip6, hlim=63, tc=42) /
180 rx = self.send_and_expect(self.pg0, p4*11, self.pg1)
182 self.validate(p[1], p4_reply)
186 p_ether = Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
188 # IPv6 tunnel to IPv4
189 p_ip4 = IP(src="1.2.3.4", dst=self.pg0.remote_ip4)
190 p4 = (p_ether / IPv6(src=self.pg1.remote_ip6,
191 dst=self.pg0.local_ip6) / p_ip4 / p_payload)
192 p4_reply = (p_ip4 / p_payload)
194 rx = self.send_and_expect(self.pg1, p4*11, self.pg0)
196 self.validate(p[1], p4_reply)
198 # IPv6 tunnel to IPv6
199 p_ip6 = IPv6(src="1:2:3::4", dst=self.pg0.remote_ip6)
200 p6 = (p_ether / IPv6(src=self.pg1.remote_ip6,
201 dst=self.pg0.local_ip6) / p_ip6 / p_payload)
202 p6_reply = (p_ip6 / p_payload)
204 rx = self.send_and_expect(self.pg1, p6*11, self.pg0)
206 self.validate(p[1], p6_reply)
208 def test_ipip_create(self):
209 """ ipip create / delete interface test """
210 rv = self.vapi.ipip_add_tunnel(
211 src_address=inet_pton(AF_INET, '1.2.3.4'),
212 dst_address=inet_pton(AF_INET, '2.3.4.5'), is_ipv6=0)
213 sw_if_index = rv.sw_if_index
214 self.vapi.ipip_del_tunnel(sw_if_index)
217 if __name__ == '__main__':
218 unittest.main(testRunner=VppTestRunner)