blob: 73d716f1d9134613a44c307f01bd2d7500e1e1f1 [file] [log] [blame]
Neale Ranns17ff3c12018-07-04 10:24:24 -07001#!/usr/bin/env python
2from socket import AF_INET, AF_INET6, inet_pton
3
4from framework import VppTestCase, VppTestRunner
5from vpp_interface import VppInterface
6from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
7
8from scapy.packet import Raw
9from scapy.layers.l2 import Ether
10from scapy.layers.inet import IP, UDP
11
12
13class VppPipe(VppInterface):
14 """
15 VPP Pipe
16 """
17
18 @property
19 def east(self):
20 return self.result.pipe_sw_if_index[1]
21
22 @property
23 def west(self):
24 return self.result.pipe_sw_if_index[0]
25
26 def __init__(self, test, instance=0xffffffff):
27 super(VppPipe, self).__init__(test)
28 self._test = test
29 self.instance = instance
30
31 def add_vpp_config(self):
32 self.result = self._test.vapi.pipe_create(
33 0 if self.instance == 0xffffffff else 1,
34 self.instance)
Neale Ranns208c29a2018-04-11 08:08:30 -070035 self.set_sw_if_index(self.result.sw_if_index)
Neale Ranns17ff3c12018-07-04 10:24:24 -070036
37 def remove_vpp_config(self):
38 self._test.vapi.pipe_delete(
Neale Ranns208c29a2018-04-11 08:08:30 -070039 self.result.sw_if_index)
Neale Ranns17ff3c12018-07-04 10:24:24 -070040
41 def __str__(self):
42 return self.object_id()
43
44 def object_id(self):
45 return "pipe-%d" % (self._sw_if_index)
46
47 def query_vpp_config(self):
48 pipes = self._test.vapi.pipe_dump()
49 for p in pipes:
Neale Ranns208c29a2018-04-11 08:08:30 -070050 if p.sw_if_index == self.result.sw_if_index:
Neale Ranns17ff3c12018-07-04 10:24:24 -070051 return True
52 return False
53
54 def set_unnumbered(self, ip_sw_if_index, is_add=True):
Ole Troan9a475372019-03-05 16:58:24 +010055 res = self._test.vapi.sw_interface_set_unnumbered(ip_sw_if_index,
56 self.east, is_add)
57 res = self._test.vapi.sw_interface_set_unnumbered(ip_sw_if_index,
58 self.west, is_add)
Neale Ranns17ff3c12018-07-04 10:24:24 -070059
60
61class TestPipe(VppTestCase):
62 """ Pipes """
63
64 def setUp(self):
65 super(TestPipe, self).setUp()
66
67 self.create_pg_interfaces(range(4))
68
69 for i in self.pg_interfaces:
70 i.admin_up()
71
72 def tearDown(self):
73 for i in self.pg_interfaces:
74 i.admin_down()
75
76 super(TestPipe, self).tearDown()
77
78 def test_pipe(self):
79 """ Pipes """
80
Neale Ranns208c29a2018-04-11 08:08:30 -070081 pipes = [VppPipe(self), VppPipe(self, 10)]
Neale Ranns17ff3c12018-07-04 10:24:24 -070082
83 for p in pipes:
84 p.add_vpp_config()
85 p.admin_up()
86
87 #
88 # L2 cross-connect pipe0 east with pg0 and west with pg1
89 #
90 self.vapi.sw_interface_set_l2_xconnect(self.pg0.sw_if_index,
91 pipes[0].east,
92 enable=1)
93 self.vapi.sw_interface_set_l2_xconnect(pipes[0].east,
94 self.pg0.sw_if_index,
95 enable=1)
96 self.vapi.sw_interface_set_l2_xconnect(self.pg1.sw_if_index,
97 pipes[0].west,
98 enable=1)
99 self.vapi.sw_interface_set_l2_xconnect(pipes[0].west,
100 self.pg1.sw_if_index,
101 enable=1)
102
103 # test bi-drectional L2 flow pg0<->pg1
104 p = (Ether(src=self.pg0.remote_mac,
105 dst=self.pg1.remote_mac) /
106 IP(src="1.1.1.1",
107 dst="1.1.1.2") /
108 UDP(sport=1234, dport=1234) /
109 Raw('\xa5' * 100))
110
111 self.send_and_expect(self.pg0, p * 65, self.pg1)
112 self.send_and_expect(self.pg1, p * 65, self.pg0)
113
114 #
115 # Attach ACL to ensure features are run on the pipe
116 #
117 rule_1 = ({'is_permit': 0,
118 'is_ipv6': 0,
119 'proto': 17,
120 'srcport_or_icmptype_first': 1234,
121 'srcport_or_icmptype_last': 1234,
122 'src_ip_prefix_len': 32,
123 'src_ip_addr': inet_pton(AF_INET, "1.1.1.1"),
124 'dstport_or_icmpcode_first': 1234,
125 'dstport_or_icmpcode_last': 1234,
126 'dst_ip_prefix_len': 32,
127 'dst_ip_addr': inet_pton(AF_INET, "1.1.1.2")})
128 acl = self.vapi.acl_add_replace(acl_index=4294967295,
129 r=[rule_1])
130
131 # Apply the ACL on the pipe on output
132 self.vapi.acl_interface_set_acl_list(pipes[0].east,
133 0,
134 [acl.acl_index])
135 self.send_and_assert_no_replies(self.pg0, p * 65)
136 self.send_and_expect(self.pg1, p * 65, self.pg0)
137
138 # remove from output and apply on input
139 self.vapi.acl_interface_set_acl_list(pipes[0].east,
140 0,
141 [])
142 self.vapi.acl_interface_set_acl_list(pipes[0].west,
143 1,
144 [acl.acl_index])
145 self.send_and_assert_no_replies(self.pg0, p * 65)
146 self.send_and_expect(self.pg1, p * 65, self.pg0)
147 self.vapi.acl_interface_set_acl_list(pipes[0].west,
148 0,
149 [])
150 self.send_and_expect(self.pg0, p * 65, self.pg1)
151 self.send_and_expect(self.pg1, p * 65, self.pg0)
152
153 #
154 # L3 routes in two separate tables so a pipe can be used to L3
155 # x-connect
156 #
157 tables = []
158 tables.append(VppIpTable(self, 1))
159 tables.append(VppIpTable(self, 2))
160
161 for t in tables:
162 t.add_vpp_config()
163
164 self.pg2.set_table_ip4(1)
165 self.pg2.config_ip4()
166 self.pg2.resolve_arp()
167 self.pg3.set_table_ip4(2)
168 self.pg3.config_ip4()
169 self.pg3.resolve_arp()
170
171 routes = []
172 routes.append(VppIpRoute(self, "1.1.1.1", 32,
173 [VppRoutePath(self.pg3.remote_ip4,
174 self.pg3.sw_if_index)],
175 table_id=2))
176 routes.append(VppIpRoute(self, "1.1.1.1", 32,
177 [VppRoutePath("0.0.0.0", pipes[1].east)],
178 table_id=1))
179 routes.append(VppIpRoute(self, "1.1.1.2", 32,
180 [VppRoutePath("0.0.0.0", pipes[1].west)],
181 table_id=2))
182 routes.append(VppIpRoute(self, "1.1.1.2", 32,
183 [VppRoutePath(self.pg2.remote_ip4,
184 self.pg2.sw_if_index)],
185 table_id=1))
186
187 for r in routes:
188 r.add_vpp_config()
189
190 p_east = (Ether(src=self.pg2.remote_mac,
191 dst=self.pg2.local_mac) /
192 IP(src="1.1.1.2",
193 dst="1.1.1.1") /
194 UDP(sport=1234, dport=1234) /
195 Raw('\xa5' * 100))
196
197 # bind the pipe ends to the correct tables
198 self.vapi.sw_interface_set_table(pipes[1].west, 0, 2)
199 self.vapi.sw_interface_set_table(pipes[1].east, 0, 1)
200
201 # IP is not enabled on the pipes at this point
202 self.send_and_assert_no_replies(self.pg2, p_east * 65)
203
204 # IP enable the Pipes by making them unnumbered
205 pipes[0].set_unnumbered(self.pg2.sw_if_index)
206 pipes[1].set_unnumbered(self.pg3.sw_if_index)
207
208 self.send_and_expect(self.pg2, p_east * 65, self.pg3)
209
210 # and the return path
211 p_west = (Ether(src=self.pg3.remote_mac,
212 dst=self.pg3.local_mac) /
213 IP(src="1.1.1.1",
214 dst="1.1.1.2") /
215 UDP(sport=1234, dport=1234) /
216 Raw('\xa5' * 100))
217 self.send_and_expect(self.pg3, p_west * 65, self.pg2)
218
219 #
220 # Use ACLs to test features run on the Pipes
221 #
222 self.vapi.acl_interface_set_acl_list(pipes[1].east,
223 0,
224 [acl.acl_index])
225 self.send_and_assert_no_replies(self.pg2, p_east * 65)
226 self.send_and_expect(self.pg3, p_west * 65, self.pg2)
227
228 # remove from output and apply on input
229 self.vapi.acl_interface_set_acl_list(pipes[1].east,
230 0,
231 [])
232 self.vapi.acl_interface_set_acl_list(pipes[1].west,
233 1,
234 [acl.acl_index])
235 self.send_and_assert_no_replies(self.pg2, p_east * 65)
236 self.send_and_expect(self.pg3, p_west * 65, self.pg2)
237 self.vapi.acl_interface_set_acl_list(pipes[1].west,
238 0,
239 [])
240 self.send_and_expect(self.pg2, p_east * 65, self.pg3)
241 self.send_and_expect(self.pg3, p_west * 65, self.pg2)
242
243 # cleanup (so the tables delete)
244 self.pg2.unconfig_ip4()
245 self.pg2.set_table_ip4(0)
246 self.pg3.unconfig_ip4()
247 self.pg3.set_table_ip4(0)
248 self.vapi.sw_interface_set_table(pipes[1].west, 0, 0)
249 self.vapi.sw_interface_set_table(pipes[1].east, 0, 0)
250
251
252if __name__ == '__main__':
253 unittest.main(testRunner=VppTestRunner)