4 from scapy.layers.l2 import Ether
5 from scapy.layers.inet import IP, ICMP
8 from framework import VppTestCase, VppTestRunner, running_extended_tests
9 from remote_test import RemoteClass, RemoteVppTestCase
10 from vpp_memif import remove_all_memif_vpp_config, \
11 VppSocketFilename, VppMemif
12 from vpp_ip_route import VppIpRoute, VppRoutePath
13 from vpp_papi import VppEnum
16 class TestMemif(VppTestCase):
17 """ Memif Test Case """
25 # fork new process before client connects to VPP
26 cls.remote_test = RemoteClass(RemoteVppTestCase)
27 cls.remote_test.start_remote()
28 cls.remote_test.set_request_timeout(10)
29 super(TestMemif, cls).setUpClass()
30 cls.remote_test.setUpClass(cls.tempdir)
31 cls.create_pg_interfaces(range(1))
32 for pg in cls.pg_interfaces:
38 def tearDownClass(cls):
39 cls.remote_test.tearDownClass()
40 cls.remote_test.quit_remote()
41 for pg in cls.pg_interfaces:
45 super(TestMemif, cls).tearDownClass()
48 remove_all_memif_vpp_config(self)
49 remove_all_memif_vpp_config(self.remote_test)
50 super(TestMemif, self).tearDown()
52 def _check_socket_filename(self, dump, socket_id, filename):
54 if (d.socket_id == socket_id) and (
55 d.socket_filename == filename):
59 def test_memif_socket_filename_add_del(self):
60 """ Memif socket filename add/del """
62 # dump default socket filename
63 dump = self.vapi.memif_socket_filename_dump()
65 self._check_socket_filename(
66 dump, 0, "%s/memif.sock" % self.tempdir))
72 self, 1, "%s/memif1.sock" % self.tempdir))
73 # default path (test tempdir)
79 add_default_folder=True))
80 # create new folder in default folder
86 add_default_folder=True))
88 for sock in memif_sockets:
90 dump = sock.query_vpp_config()
92 self._check_socket_filename(
95 sock.socket_filename))
97 for sock in memif_sockets:
98 sock.remove_vpp_config()
100 dump = self.vapi.memif_socket_filename_dump()
102 self._check_socket_filename(
103 dump, 0, "%s/memif.sock" % self.tempdir))
105 def _create_delete_test_one_interface(self, memif):
106 memif.add_vpp_config()
108 dump = memif.query_vpp_config()
110 self.assertTrue(dump)
111 self.assertEqual(dump.sw_if_index, memif.sw_if_index)
112 self.assertEqual(dump.role, memif.role)
113 self.assertEqual(dump.mode, memif.mode)
114 if (memif.socket_id is not None):
115 self.assertEqual(dump.socket_id, memif.socket_id)
117 memif.remove_vpp_config()
119 dump = memif.query_vpp_config()
121 self.assertFalse(dump)
123 def _connect_test_one_interface(self, memif):
124 self.assertTrue(memif.wait_for_link_up(5))
125 dump = memif.query_vpp_config()
127 if memif.role == VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE:
128 self.assertEqual(dump.ring_size, memif.ring_size)
129 self.assertEqual(dump.buffer_size, memif.buffer_size)
131 self.assertEqual(dump.ring_size, 1)
132 self.assertEqual(dump.buffer_size, 0)
134 def _connect_test_interface_pair(self, memif0, memif1):
135 memif0.add_vpp_config()
136 memif1.add_vpp_config()
141 self._connect_test_one_interface(memif0)
142 self._connect_test_one_interface(memif1)
144 memif0.remove_vpp_config()
145 memif1.remove_vpp_config()
147 def test_memif_create_delete(self):
148 """ Memif create/delete interface """
152 VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE,
153 VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET)
154 self._create_delete_test_one_interface(memif)
155 memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER
156 self._create_delete_test_one_interface(memif)
158 def test_memif_create_custom_socket(self):
159 """ Memif create with non-default socket filename """
163 memif_sockets.append(
165 self, 1, "%s/memif1.sock" % self.tempdir))
166 # default path (test tempdir)
167 memif_sockets.append(
172 add_default_folder=True))
173 # create new folder in default folder
174 memif_sockets.append(
179 add_default_folder=True))
183 VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE,
184 VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET)
186 for sock in memif_sockets:
187 sock.add_vpp_config()
188 memif.socket_id = sock.socket_id
189 memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE
190 self._create_delete_test_one_interface(memif)
191 memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER
192 self._create_delete_test_one_interface(memif)
194 def test_memif_connect(self):
195 """ Memif connect """
198 VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE,
199 VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET,
204 remote_socket = VppSocketFilename(self.remote_test, 1,
205 "%s/memif.sock" % self.tempdir)
206 remote_socket.add_vpp_config()
208 remote_memif = VppMemif(
210 VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER,
211 VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET,
217 self._connect_test_interface_pair(memif, remote_memif)
219 memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER
220 remote_memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE
222 self._connect_test_interface_pair(memif, remote_memif)
224 def _create_icmp(self, pg, memif, num):
227 pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
228 IP(src=pg.remote_ip4,
229 dst=str(memif.ip_prefix.network_address)) /
230 ICMP(id=memif.if_id, type='echo-request', seq=i))
234 def _verify_icmp(self, pg, memif, rx, seq):
236 self.assertEqual(ip.src, str(memif.ip_prefix.network_address))
237 self.assertEqual(ip.dst, pg.remote_ip4)
238 self.assertEqual(ip.proto, 1)
240 self.assertEqual(icmp.type, 0) # echo-reply
241 self.assertEqual(icmp.id, memif.if_id)
242 self.assertEqual(icmp.seq, seq)
244 def test_memif_ping(self):
249 VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE,
250 VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET)
252 remote_socket = VppSocketFilename(self.remote_test, 1,
253 "%s/memif.sock" % self.tempdir)
254 remote_socket.add_vpp_config()
256 remote_memif = VppMemif(
258 VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER,
259 VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET,
262 memif.add_vpp_config()
266 remote_memif.add_vpp_config()
267 remote_memif.config_ip4()
268 remote_memif.admin_up()
270 self.assertTrue(memif.wait_for_link_up(5))
271 self.assertTrue(remote_memif.wait_for_link_up(5))
273 # add routing to remote vpp
274 route = VppIpRoute(self.remote_test, self.pg0._local_ip4_subnet, 24,
275 [VppRoutePath(memif.ip_prefix.network_address,
279 route.add_vpp_config()
281 # create ICMP echo-request from local pg to remote memif
283 pkts = self._create_icmp(self.pg0, remote_memif, packet_num)
285 self.pg0.add_stream(pkts)
286 self.pg_enable_capture(self.pg_interfaces)
288 capture = self.pg0.get_capture(packet_num, timeout=2)
291 self._verify_icmp(self.pg0, remote_memif, c, seq)
294 route.remove_vpp_config()
297 if __name__ == '__main__':
298 unittest.main(testRunner=VppTestRunner)