5 from framework import VppTestCase, VppTestRunner
6 from vpp_ip_route import VppIpTable
8 from scapy.packet import Raw
9 from scapy.layers.l2 import Ether
10 from scapy.layers.inet import IP, UDP, ICMP
11 from scapy.layers.inet6 import IPv6
13 from vpp_papi import VppEnum
18 class TestSVS(VppTestCase):
23 super(TestSVS, cls).setUpClass()
26 def tearDownClass(cls):
27 super(TestSVS, cls).tearDownClass()
30 super(TestSVS, self).setUp()
32 # create 2 pg interfaces
33 self.create_pg_interfaces(range(4))
37 for i in self.pg_interfaces:
41 tbl = VppIpTable(self, table_id)
43 tbl = VppIpTable(self, table_id, is_ip6=1)
46 i.set_table_ip4(table_id)
47 i.set_table_ip6(table_id)
55 for i in self.pg_interfaces:
61 super(TestSVS, self).tearDown()
64 """ Source VRF Select IP4 """
67 # packets destined out of the 3 non-default table interfaces
69 pkts_0 = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
70 IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
71 UDP(sport=1234, dport=1234) /
73 (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
74 IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
75 UDP(sport=1234, dport=1234) /
77 (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
78 IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
79 UDP(sport=1234, dport=1234) /
81 pkts_1 = [(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
82 IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
83 UDP(sport=1234, dport=1234) /
85 (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
86 IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
87 UDP(sport=1234, dport=1234) /
89 (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
90 IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
91 UDP(sport=1234, dport=1234) /
95 # before adding the SVS config all these packets are dropped when
96 # ingressing on pg0 since pg0 is in the default table
99 self.send_and_assert_no_replies(self.pg0, p * 1)
102 # Add table 1001 & 1002 into which we'll add the routes
103 # determining the source VRF selection
105 table_ids = [101, 102]
107 for table_id in table_ids:
108 self.vapi.svs_table_add_del(
109 VppEnum.vl_api_address_family_t.ADDRESS_IP4, table_id)
112 # map X.0.0.0/8 to each SVS table for lookup in table X
114 for i in range(1, 4):
115 self.vapi.svs_route_add_del(
116 table_id, "%d.0.0.0/8" % i, i)
119 # Enable SVS on pg0/pg1 using table 1001/1002
121 self.vapi.svs_enable_disable(
122 VppEnum.vl_api_address_family_t.ADDRESS_IP4, table_ids[0],
123 self.pg0.sw_if_index)
124 self.vapi.svs_enable_disable(
125 VppEnum.vl_api_address_family_t.ADDRESS_IP4, table_ids[1],
126 self.pg1.sw_if_index)
129 # now all the packets should be delivered out the respective interface
131 self.send_and_expect(self.pg0, pkts_0[0] * NUM_PKTS, self.pg1)
132 self.send_and_expect(self.pg0, pkts_0[1] * NUM_PKTS, self.pg2)
133 self.send_and_expect(self.pg0, pkts_0[2] * NUM_PKTS, self.pg3)
134 self.send_and_expect(self.pg1, pkts_1[0] * NUM_PKTS, self.pg1)
135 self.send_and_expect(self.pg1, pkts_1[1] * NUM_PKTS, self.pg2)
136 self.send_and_expect(self.pg1, pkts_1[2] * NUM_PKTS, self.pg3)
139 # check that if the SVS lookup does not match a route the packet
140 # is forwarded using the interface's routing table
142 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
143 IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
144 UDP(sport=1234, dport=1234) /
146 self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
148 p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
149 IP(src=self.pg1.remote_ip4, dst=self.pg1.remote_ip4) /
150 UDP(sport=1234, dport=1234) /
152 self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg1)
155 # dump the SVS configs
157 ss = self.vapi.svs_dump()
159 self.assertEqual(ss[0].table_id, table_ids[0])
160 self.assertEqual(ss[0].sw_if_index, self.pg0.sw_if_index)
161 self.assertEqual(ss[0].af, VppEnum.vl_api_address_family_t.ADDRESS_IP4)
162 self.assertEqual(ss[1].table_id, table_ids[1])
163 self.assertEqual(ss[1].sw_if_index, self.pg1.sw_if_index)
164 self.assertEqual(ss[1].af, VppEnum.vl_api_address_family_t.ADDRESS_IP4)
169 self.vapi.svs_enable_disable(
170 VppEnum.vl_api_address_family_t.ADDRESS_IP4,
172 self.pg0.sw_if_index,
174 self.vapi.svs_enable_disable(
175 VppEnum.vl_api_address_family_t.ADDRESS_IP4,
177 self.pg1.sw_if_index,
180 for table_id in table_ids:
181 for i in range(1, 4):
182 self.vapi.svs_route_add_del(
183 table_id, "%d.0.0.0/8" % i,
185 self.vapi.svs_table_add_del(
186 VppEnum.vl_api_address_family_t.ADDRESS_IP4,
191 """ Source VRF Select IP6 """
194 # packets destined out of the 3 non-default table interfaces
196 pkts_0 = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
197 IPv6(src="2001:1::1", dst=self.pg1.remote_ip6) /
198 UDP(sport=1234, dport=1234) /
200 (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
201 IPv6(src="2001:2::1", dst=self.pg2.remote_ip6) /
202 UDP(sport=1234, dport=1234) /
204 (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
205 IPv6(src="2001:3::1", dst=self.pg3.remote_ip6) /
206 UDP(sport=1234, dport=1234) /
208 pkts_1 = [(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
209 IPv6(src="2001:1::1", dst=self.pg1.remote_ip6) /
210 UDP(sport=1234, dport=1234) /
212 (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
213 IPv6(src="2001:2::1", dst=self.pg2.remote_ip6) /
214 UDP(sport=1234, dport=1234) /
216 (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
217 IPv6(src="2001:3::1", dst=self.pg3.remote_ip6) /
218 UDP(sport=1234, dport=1234) /
222 # before adding the SVS config all these packets are dropped when
223 # ingressing on pg0 since pg0 is in the default table
226 self.send_and_assert_no_replies(self.pg0, p * 1)
229 # Add table 1001 & 1002 into which we'll add the routes
230 # determining the source VRF selection
232 table_ids = [101, 102]
234 for table_id in table_ids:
235 self.vapi.svs_table_add_del(
236 VppEnum.vl_api_address_family_t.ADDRESS_IP6, table_id)
239 # map X.0.0.0/8 to each SVS table for lookup in table X
241 for i in range(1, 4):
242 self.vapi.svs_route_add_del(
243 table_id, "2001:%d::/32" % i,
247 # Enable SVS on pg0/pg1 using table 1001/1002
249 self.vapi.svs_enable_disable(
250 VppEnum.vl_api_address_family_t.ADDRESS_IP6,
252 self.pg0.sw_if_index)
253 self.vapi.svs_enable_disable(
254 VppEnum.vl_api_address_family_t.ADDRESS_IP6,
256 self.pg1.sw_if_index)
259 # now all the packets should be delivered out the respective interface
261 self.send_and_expect(self.pg0, pkts_0[0] * NUM_PKTS, self.pg1)
262 self.send_and_expect(self.pg0, pkts_0[1] * NUM_PKTS, self.pg2)
263 self.send_and_expect(self.pg0, pkts_0[2] * NUM_PKTS, self.pg3)
264 self.send_and_expect(self.pg1, pkts_1[0] * NUM_PKTS, self.pg1)
265 self.send_and_expect(self.pg1, pkts_1[1] * NUM_PKTS, self.pg2)
266 self.send_and_expect(self.pg1, pkts_1[2] * NUM_PKTS, self.pg3)
269 # check that if the SVS lookup does not match a route the packet
270 # is forwarded using the interface's routing table
272 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
273 IPv6(src=self.pg0.remote_ip6, dst=self.pg0.remote_ip6) /
274 UDP(sport=1234, dport=1234) /
276 self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
278 p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
279 IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
280 UDP(sport=1234, dport=1234) /
282 self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg1)
285 # dump the SVS configs
287 ss = self.vapi.svs_dump()
289 self.assertEqual(ss[0].table_id, table_ids[0])
290 self.assertEqual(ss[0].sw_if_index, self.pg0.sw_if_index)
291 self.assertEqual(ss[0].af, VppEnum.vl_api_address_family_t.ADDRESS_IP6)
292 self.assertEqual(ss[1].table_id, table_ids[1])
293 self.assertEqual(ss[1].sw_if_index, self.pg1.sw_if_index)
294 self.assertEqual(ss[1].af, VppEnum.vl_api_address_family_t.ADDRESS_IP6)
299 self.vapi.svs_enable_disable(
300 VppEnum.vl_api_address_family_t.ADDRESS_IP6,
302 self.pg0.sw_if_index,
304 self.vapi.svs_enable_disable(
305 VppEnum.vl_api_address_family_t.ADDRESS_IP6,
307 self.pg1.sw_if_index,
309 for table_id in table_ids:
310 for i in range(1, 4):
311 self.vapi.svs_route_add_del(
312 table_id, "2001:%d::/32" % i,
314 self.vapi.svs_table_add_del(
315 VppEnum.vl_api_address_family_t.ADDRESS_IP6,
320 if __name__ == '__main__':
321 unittest.main(testRunner=VppTestRunner)