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 MEMIF_MODE, MEMIF_ROLE, remove_all_memif_vpp_config, \
11 VppSocketFilename, VppMemif
12 from vpp_ip_route import VppIpRoute, VppRoutePath
15 @unittest.skipIf(True, "doesn't work with VppEnums")
16 class TestMemif(VppTestCase):
17 """ Memif Test Case """
21 # fork new process before client connects to VPP
22 cls.remote_test = RemoteClass(RemoteVppTestCase)
23 cls.remote_test.start_remote()
24 cls.remote_test.set_request_timeout(10)
25 super(TestMemif, cls).setUpClass()
26 cls.remote_test.setUpClass(cls.tempdir)
27 cls.create_pg_interfaces(range(1))
28 for pg in cls.pg_interfaces:
34 def tearDownClass(cls):
35 cls.remote_test.tearDownClass()
36 cls.remote_test.quit_remote()
37 for pg in cls.pg_interfaces:
41 super(TestMemif, cls).tearDownClass()
44 remove_all_memif_vpp_config(self)
45 remove_all_memif_vpp_config(self.remote_test)
46 super(TestMemif, self).tearDown()
48 def _check_socket_filename(self, dump, socket_id, filename):
50 if (d.socket_id == socket_id) and (
51 d.socket_filename.rstrip(b"\0") == filename):
55 def test_memif_socket_filename_add_del(self):
56 """ Memif socket filename add/del """
58 # dump default socket filename
59 dump = self.vapi.memif_socket_filename_dump()
61 self._check_socket_filename(
62 dump, 0, b"%s/memif.sock" % six.ensure_binary(
63 self.tempdir, encoding='utf-8')))
69 self, 1, b"%s/memif1.sock" % six.ensure_binary(
70 self.tempdir, encoding='utf-8')))
71 # default path (test tempdir)
77 add_default_folder=True))
78 # create new folder in default folder
84 add_default_folder=True))
86 for sock in memif_sockets:
88 dump = sock.query_vpp_config()
90 self._check_socket_filename(
93 sock.socket_filename))
95 for sock in memif_sockets:
96 sock.remove_vpp_config()
98 dump = self.vapi.memif_socket_filename_dump()
100 self._check_socket_filename(
101 dump, 0, b"%s/memif.sock" % six.ensure_binary(
102 self.tempdir, encoding='utf-8')))
104 def _create_delete_test_one_interface(self, memif):
105 memif.add_vpp_config()
107 dump = memif.query_vpp_config()
109 self.assertTrue(dump)
110 self.assertEqual(dump.sw_if_index, memif.sw_if_index)
111 self.assertEqual(dump.role, memif.role)
112 self.assertEqual(dump.mode, memif.mode)
113 if (memif.socket_id is not None):
114 self.assertEqual(dump.socket_id, memif.socket_id)
116 memif.remove_vpp_config()
118 dump = memif.query_vpp_config()
120 self.assertFalse(dump)
122 def _connect_test_one_interface(self, memif):
123 self.assertTrue(memif.wait_for_link_up(5))
124 dump = memif.query_vpp_config()
126 if memif.role == MEMIF_ROLE.SLAVE:
127 self.assertEqual(dump.ring_size, memif.ring_size)
128 self.assertEqual(dump.buffer_size, memif.buffer_size)
130 self.assertEqual(dump.ring_size, 1)
131 self.assertEqual(dump.buffer_size, 0)
133 def _connect_test_interface_pair(self, memif0, memif1):
134 memif0.add_vpp_config()
135 memif1.add_vpp_config()
140 self._connect_test_one_interface(memif0)
141 self._connect_test_one_interface(memif1)
143 memif0.remove_vpp_config()
144 memif1.remove_vpp_config()
146 def test_memif_create_delete(self):
147 """ Memif create/delete interface """
149 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
150 self._create_delete_test_one_interface(memif)
151 memif.role = MEMIF_ROLE.MASTER
152 self._create_delete_test_one_interface(memif)
154 def test_memif_create_custom_socket(self):
155 """ Memif create with non-default socket filename """
159 memif_sockets.append(
161 self, 1, b"%s/memif1.sock" % six.ensure_binary(
162 self.tempdir, encoding='utf-8')))
163 # default path (test tempdir)
164 memif_sockets.append(
169 add_default_folder=True))
170 # create new folder in default folder
171 memif_sockets.append(
176 add_default_folder=True))
178 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
180 for sock in memif_sockets:
181 sock.add_vpp_config()
182 memif.socket_id = sock.socket_id
183 memif.role = MEMIF_ROLE.SLAVE
184 self._create_delete_test_one_interface(memif)
185 memif.role = MEMIF_ROLE.MASTER
186 self._create_delete_test_one_interface(memif)
188 def test_memif_connect(self):
189 """ Memif connect """
190 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET,
191 ring_size=1024, buffer_size=2048)
193 remote_socket = VppSocketFilename(self.remote_test, 1,
194 b"%s/memif.sock" % six.ensure_binary(
195 self.tempdir, encoding='utf-8'))
196 remote_socket.add_vpp_config()
198 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
199 MEMIF_MODE.ETHERNET, socket_id=1,
200 ring_size=1024, buffer_size=2048)
202 self._connect_test_interface_pair(memif, remote_memif)
204 memif.role = MEMIF_ROLE.MASTER
205 remote_memif.role = MEMIF_ROLE.SLAVE
207 self._connect_test_interface_pair(memif, remote_memif)
209 def _create_icmp(self, pg, memif, num):
212 pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
213 IP(src=pg.remote_ip4, dst=memif.ip4_addr) /
214 ICMP(id=memif.if_id, type='echo-request', seq=i))
218 def _verify_icmp(self, pg, memif, rx, seq):
220 self.assertEqual(ip.src, memif.ip4_addr)
221 self.assertEqual(ip.dst, pg.remote_ip4)
222 self.assertEqual(ip.proto, 1)
224 self.assertEqual(icmp.type, 0) # echo-reply
225 self.assertEqual(icmp.id, memif.if_id)
226 self.assertEqual(icmp.seq, seq)
228 def test_memif_ping(self):
231 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
233 remote_socket = VppSocketFilename(self.remote_test, 1,
234 b"%s/memif.sock" % six.ensure_binary(
235 self.tempdir, encoding='utf-8'))
236 remote_socket.add_vpp_config()
238 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
239 MEMIF_MODE.ETHERNET, socket_id=1)
241 memif.add_vpp_config()
245 remote_memif.add_vpp_config()
246 remote_memif.config_ip4()
247 remote_memif.admin_up()
249 self.assertTrue(memif.wait_for_link_up(5))
250 self.assertTrue(remote_memif.wait_for_link_up(5))
252 # add routing to remote vpp
253 VppIpRoute(self.remote_test, self.pg0._local_ip4_subnet, 24,
254 [VppRoutePath(memif.ip4_addr, 0xffffffff)]).add_vpp_config()
256 # create ICMP echo-request from local pg to remote memif
258 pkts = self._create_icmp(self.pg0, remote_memif, packet_num)
260 self.pg0.add_stream(pkts)
261 self.pg_enable_capture(self.pg_interfaces)
263 capture = self.pg0.get_capture(packet_num, timeout=2)
266 self._verify_icmp(self.pg0, remote_memif, c, seq)
270 if __name__ == '__main__':
271 unittest.main(testRunner=VppTestRunner)