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
14 class TestMemif(VppTestCase):
15 """ Memif Test Case """
19 # fork new process before client connects to VPP
20 cls.remote_test = RemoteClass(RemoteVppTestCase)
21 cls.remote_test.start_remote()
22 cls.remote_test.set_request_timeout(10)
23 super(TestMemif, cls).setUpClass()
24 cls.remote_test.setUpClass(cls.tempdir)
25 cls.create_pg_interfaces(range(1))
26 for pg in cls.pg_interfaces:
32 def tearDownClass(cls):
33 cls.remote_test.tearDownClass()
34 cls.remote_test.quit_remote()
35 for pg in cls.pg_interfaces:
39 super(TestMemif, cls).tearDownClass()
42 remove_all_memif_vpp_config(self)
43 remove_all_memif_vpp_config(self.remote_test)
44 super(TestMemif, self).tearDown()
46 def _check_socket_filename(self, dump, socket_id, filename):
48 if (d.socket_id == socket_id) and (
49 d.socket_filename.rstrip(b"\0") == filename):
53 def test_memif_socket_filename_add_del(self):
54 """ Memif socket filenale add/del """
56 # dump default socket filename
57 dump = self.vapi.memif_socket_filename_dump()
59 self._check_socket_filename(
60 dump, 0, b"%s/memif.sock" % six.ensure_binary(
61 self.tempdir, encoding='utf-8')))
67 self, 1, b"%s/memif1.sock" % six.ensure_binary(
68 self.tempdir, encoding='utf-8')))
69 # default path (test tempdir)
75 add_default_folder=True))
76 # create new folder in default folder
82 add_default_folder=True))
84 for sock in memif_sockets:
86 dump = sock.query_vpp_config()
88 self._check_socket_filename(
91 sock.socket_filename))
93 for sock in memif_sockets:
94 sock.remove_vpp_config()
96 dump = self.vapi.memif_socket_filename_dump()
98 self._check_socket_filename(
99 dump, 0, b"%s/memif.sock" % six.ensure_binary(
100 self.tempdir, encoding='utf-8')))
102 def _create_delete_test_one_interface(self, memif):
103 memif.add_vpp_config()
105 dump = memif.query_vpp_config()
107 self.assertTrue(dump)
108 self.assertEqual(dump.sw_if_index, memif.sw_if_index)
109 self.assertEqual(dump.role, memif.role)
110 self.assertEqual(dump.mode, memif.mode)
111 if (memif.socket_id is not None):
112 self.assertEqual(dump.socket_id, memif.socket_id)
114 memif.remove_vpp_config()
116 dump = memif.query_vpp_config()
118 self.assertFalse(dump)
120 def _connect_test_one_interface(self, memif):
121 self.assertTrue(memif.wait_for_link_up(5))
122 dump = memif.query_vpp_config()
124 if memif.role == MEMIF_ROLE.SLAVE:
125 self.assertEqual(dump.ring_size, memif.ring_size)
126 self.assertEqual(dump.buffer_size, memif.buffer_size)
128 self.assertEqual(dump.ring_size, 1)
129 self.assertEqual(dump.buffer_size, 0)
131 def _connect_test_interface_pair(self, memif0, memif1):
132 memif0.add_vpp_config()
133 memif1.add_vpp_config()
138 self._connect_test_one_interface(memif0)
139 self._connect_test_one_interface(memif1)
141 memif0.remove_vpp_config()
142 memif1.remove_vpp_config()
144 def test_memif_create_delete(self):
145 """ Memif create/delete interface """
147 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
148 self._create_delete_test_one_interface(memif)
149 memif.role = MEMIF_ROLE.MASTER
150 self._create_delete_test_one_interface(memif)
152 def test_memif_create_custom_socket(self):
153 """ Memif create with non-default socket filename """
157 memif_sockets.append(
159 self, 1, b"%s/memif1.sock" % six.ensure_binary(
160 self.tempdir, encoding='utf-8')))
161 # default path (test tempdir)
162 memif_sockets.append(
167 add_default_folder=True))
168 # create new folder in default folder
169 memif_sockets.append(
174 add_default_folder=True))
176 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
178 for sock in memif_sockets:
179 sock.add_vpp_config()
180 memif.socket_id = sock.socket_id
181 memif.role = MEMIF_ROLE.SLAVE
182 self._create_delete_test_one_interface(memif)
183 memif.role = MEMIF_ROLE.MASTER
184 self._create_delete_test_one_interface(memif)
186 def test_memif_connect(self):
187 """ Memif connect """
188 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET,
189 ring_size=1024, buffer_size=2048)
191 remote_socket = VppSocketFilename(self.remote_test, 1,
192 b"%s/memif.sock" % six.ensure_binary(
193 self.tempdir, encoding='utf-8'))
194 remote_socket.add_vpp_config()
196 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
197 MEMIF_MODE.ETHERNET, socket_id=1,
198 ring_size=1024, buffer_size=2048)
200 self._connect_test_interface_pair(memif, remote_memif)
202 memif.role = MEMIF_ROLE.MASTER
203 remote_memif.role = MEMIF_ROLE.SLAVE
205 self._connect_test_interface_pair(memif, remote_memif)
207 def _create_icmp(self, pg, memif, num):
210 pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
211 IP(src=pg.remote_ip4, dst=memif.ip4_addr) /
212 ICMP(id=memif.if_id, type='echo-request', seq=i))
216 def _verify_icmp(self, pg, memif, rx, seq):
218 self.assertEqual(ip.src, memif.ip4_addr)
219 self.assertEqual(ip.dst, pg.remote_ip4)
220 self.assertEqual(ip.proto, 1)
222 self.assertEqual(icmp.type, 0) # echo-reply
223 self.assertEqual(icmp.id, memif.if_id)
224 self.assertEqual(icmp.seq, seq)
226 def test_memif_ping(self):
228 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
230 remote_socket = VppSocketFilename(self.remote_test, 1,
231 b"%s/memif.sock" % six.ensure_binary(
232 self.tempdir, encoding='utf-8'))
233 remote_socket.add_vpp_config()
235 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
236 MEMIF_MODE.ETHERNET, socket_id=1)
238 memif.add_vpp_config()
242 remote_memif.add_vpp_config()
243 remote_memif.config_ip4()
244 remote_memif.admin_up()
246 self.assertTrue(memif.wait_for_link_up(5))
247 self.assertTrue(remote_memif.wait_for_link_up(5))
249 # add routing to remote vpp
250 dst_addr = socket.inet_pton(socket.AF_INET, self.pg0._local_ip4_subnet)
252 next_hop_addr = socket.inet_pton(socket.AF_INET, memif.ip4_addr)
253 self.remote_test.vapi.ip_add_del_route(dst_address=dst_addr,
254 dst_address_length=dst_addr_len,
255 next_hop_address=next_hop_addr)
257 # create ICMP echo-request from local pg to remote memif
259 pkts = self._create_icmp(self.pg0, remote_memif, packet_num)
261 self.pg0.add_stream(pkts)
262 self.pg_enable_capture(self.pg_interfaces)
264 capture = self.pg0.get_capture(packet_num, timeout=2)
267 self._verify_icmp(self.pg0, remote_memif, c, seq)
271 if __name__ == '__main__':
272 unittest.main(testRunner=VppTestRunner)