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 class TestMemif(VppTestCase):
16 """ Memif Test Case """
20 # fork new process before client connects to VPP
21 cls.remote_test = RemoteClass(RemoteVppTestCase)
22 cls.remote_test.start_remote()
23 cls.remote_test.set_request_timeout(10)
24 super(TestMemif, cls).setUpClass()
25 cls.remote_test.setUpClass(cls.tempdir)
26 cls.create_pg_interfaces(range(1))
27 for pg in cls.pg_interfaces:
33 def tearDownClass(cls):
34 cls.remote_test.tearDownClass()
35 cls.remote_test.quit_remote()
36 for pg in cls.pg_interfaces:
40 super(TestMemif, cls).tearDownClass()
43 remove_all_memif_vpp_config(self)
44 remove_all_memif_vpp_config(self.remote_test)
45 super(TestMemif, self).tearDown()
47 def _check_socket_filename(self, dump, socket_id, filename):
49 if (d.socket_id == socket_id) and (
50 d.socket_filename.rstrip(b"\0") == filename):
54 def test_memif_socket_filename_add_del(self):
55 """ Memif socket filename add/del """
57 # dump default socket filename
58 dump = self.vapi.memif_socket_filename_dump()
60 self._check_socket_filename(
61 dump, 0, b"%s/memif.sock" % six.ensure_binary(
62 self.tempdir, encoding='utf-8')))
68 self, 1, b"%s/memif1.sock" % six.ensure_binary(
69 self.tempdir, encoding='utf-8')))
70 # default path (test tempdir)
76 add_default_folder=True))
77 # create new folder in default folder
83 add_default_folder=True))
85 for sock in memif_sockets:
87 dump = sock.query_vpp_config()
89 self._check_socket_filename(
92 sock.socket_filename))
94 for sock in memif_sockets:
95 sock.remove_vpp_config()
97 dump = self.vapi.memif_socket_filename_dump()
99 self._check_socket_filename(
100 dump, 0, b"%s/memif.sock" % six.ensure_binary(
101 self.tempdir, encoding='utf-8')))
103 def _create_delete_test_one_interface(self, memif):
104 memif.add_vpp_config()
106 dump = memif.query_vpp_config()
108 self.assertTrue(dump)
109 self.assertEqual(dump.sw_if_index, memif.sw_if_index)
110 self.assertEqual(dump.role, memif.role)
111 self.assertEqual(dump.mode, memif.mode)
112 if (memif.socket_id is not None):
113 self.assertEqual(dump.socket_id, memif.socket_id)
115 memif.remove_vpp_config()
117 dump = memif.query_vpp_config()
119 self.assertFalse(dump)
121 def _connect_test_one_interface(self, memif):
122 self.assertTrue(memif.wait_for_link_up(5))
123 dump = memif.query_vpp_config()
125 if memif.role == MEMIF_ROLE.SLAVE:
126 self.assertEqual(dump.ring_size, memif.ring_size)
127 self.assertEqual(dump.buffer_size, memif.buffer_size)
129 self.assertEqual(dump.ring_size, 1)
130 self.assertEqual(dump.buffer_size, 0)
132 def _connect_test_interface_pair(self, memif0, memif1):
133 memif0.add_vpp_config()
134 memif1.add_vpp_config()
139 self._connect_test_one_interface(memif0)
140 self._connect_test_one_interface(memif1)
142 memif0.remove_vpp_config()
143 memif1.remove_vpp_config()
145 def test_memif_create_delete(self):
146 """ Memif create/delete interface """
148 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
149 self._create_delete_test_one_interface(memif)
150 memif.role = MEMIF_ROLE.MASTER
151 self._create_delete_test_one_interface(memif)
153 def test_memif_create_custom_socket(self):
154 """ Memif create with non-default socket filename """
158 memif_sockets.append(
160 self, 1, b"%s/memif1.sock" % six.ensure_binary(
161 self.tempdir, encoding='utf-8')))
162 # default path (test tempdir)
163 memif_sockets.append(
168 add_default_folder=True))
169 # create new folder in default folder
170 memif_sockets.append(
175 add_default_folder=True))
177 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
179 for sock in memif_sockets:
180 sock.add_vpp_config()
181 memif.socket_id = sock.socket_id
182 memif.role = MEMIF_ROLE.SLAVE
183 self._create_delete_test_one_interface(memif)
184 memif.role = MEMIF_ROLE.MASTER
185 self._create_delete_test_one_interface(memif)
187 def test_memif_connect(self):
188 """ Memif connect """
189 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET,
190 ring_size=1024, buffer_size=2048)
192 remote_socket = VppSocketFilename(self.remote_test, 1,
193 b"%s/memif.sock" % six.ensure_binary(
194 self.tempdir, encoding='utf-8'))
195 remote_socket.add_vpp_config()
197 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
198 MEMIF_MODE.ETHERNET, socket_id=1,
199 ring_size=1024, buffer_size=2048)
201 self._connect_test_interface_pair(memif, remote_memif)
203 memif.role = MEMIF_ROLE.MASTER
204 remote_memif.role = MEMIF_ROLE.SLAVE
206 self._connect_test_interface_pair(memif, remote_memif)
208 def _create_icmp(self, pg, memif, num):
211 pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
212 IP(src=pg.remote_ip4, dst=memif.ip4_addr) /
213 ICMP(id=memif.if_id, type='echo-request', seq=i))
217 def _verify_icmp(self, pg, memif, rx, seq):
219 self.assertEqual(ip.src, memif.ip4_addr)
220 self.assertEqual(ip.dst, pg.remote_ip4)
221 self.assertEqual(ip.proto, 1)
223 self.assertEqual(icmp.type, 0) # echo-reply
224 self.assertEqual(icmp.id, memif.if_id)
225 self.assertEqual(icmp.seq, seq)
227 def test_memif_ping(self):
230 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
232 remote_socket = VppSocketFilename(self.remote_test, 1,
233 b"%s/memif.sock" % six.ensure_binary(
234 self.tempdir, encoding='utf-8'))
235 remote_socket.add_vpp_config()
237 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
238 MEMIF_MODE.ETHERNET, socket_id=1)
240 memif.add_vpp_config()
244 remote_memif.add_vpp_config()
245 remote_memif.config_ip4()
246 remote_memif.admin_up()
248 self.assertTrue(memif.wait_for_link_up(5))
249 self.assertTrue(remote_memif.wait_for_link_up(5))
251 # add routing to remote vpp
252 route = VppIpRoute(self.remote_test, self.pg0._local_ip4_subnet, 24,
253 [VppRoutePath(memif.ip4_addr, 0xffffffff)],
256 route.add_vpp_config()
258 # create ICMP echo-request from local pg to remote memif
260 pkts = self._create_icmp(self.pg0, remote_memif, packet_num)
262 self.pg0.add_stream(pkts)
263 self.pg_enable_capture(self.pg_interfaces)
265 capture = self.pg0.get_capture(packet_num, timeout=2)
268 self._verify_icmp(self.pg0, remote_memif, c, seq)
271 route.remove_vpp_config()
274 if __name__ == '__main__':
275 unittest.main(testRunner=VppTestRunner)