4 from scapy.layers.l2 import Ether
5 from scapy.layers.inet import IP, ICMP
7 from framework import VppTestCase, VppTestRunner, running_extended_tests
8 from remote_test import RemoteClass, RemoteVppTestCase
9 from vpp_memif import MEMIF_MODE, MEMIF_ROLE, remove_all_memif_vpp_config, \
10 VppSocketFilename, VppMemif
13 class TestMemif(VppTestCase):
14 """ Memif Test Case """
18 # fork new process before client connects to VPP
19 cls.remote_test = RemoteClass(RemoteVppTestCase)
20 cls.remote_test.start_remote()
21 cls.remote_test.set_request_timeout(10)
22 super(TestMemif, cls).setUpClass()
23 cls.remote_test.setUpClass(cls.tempdir)
24 cls.create_pg_interfaces(range(1))
25 for pg in cls.pg_interfaces:
31 def tearDownClass(cls):
32 cls.remote_test.tearDownClass()
33 cls.remote_test.quit_remote()
34 for pg in cls.pg_interfaces:
38 super(TestMemif, cls).tearDownClass()
41 remove_all_memif_vpp_config(self)
42 remove_all_memif_vpp_config(self.remote_test)
43 super(TestMemif, self).tearDown()
45 def _check_socket_filename(self, dump, socket_id, filename):
47 if (d.socket_id == socket_id) and (
48 d.socket_filename.rstrip("\0") == filename):
52 def test_memif_socket_filename_add_del(self):
53 """ Memif socket filenale add/del """
55 # dump default socket filename
56 dump = self.vapi.memif_socket_filename_dump()
58 self._check_socket_filename(
59 dump, 0, self.tempdir + "/memif.sock"))
65 self, 1, self.tempdir + "/memif1.sock"))
66 # default path (test tempdir)
72 add_default_folder=True))
73 # create new folder in default folder
79 add_default_folder=True))
81 for sock in memif_sockets:
83 dump = sock.query_vpp_config()
85 self._check_socket_filename(
88 sock.socket_filename))
90 for sock in memif_sockets:
91 sock.remove_vpp_config()
93 dump = self.vapi.memif_socket_filename_dump()
95 self._check_socket_filename(
96 dump, 0, self.tempdir + "/memif.sock"))
98 def _create_delete_test_one_interface(self, memif):
99 memif.add_vpp_config()
101 dump = memif.query_vpp_config()
103 self.assertTrue(dump)
104 self.assertEqual(dump.sw_if_index, memif.sw_if_index)
105 self.assertEqual(dump.role, memif.role)
106 self.assertEqual(dump.mode, memif.mode)
107 if (memif.socket_id is not None):
108 self.assertEqual(dump.socket_id, memif.socket_id)
110 memif.remove_vpp_config()
112 dump = memif.query_vpp_config()
114 self.assertFalse(dump)
116 def _connect_test_one_interface(self, memif):
117 self.assertTrue(memif.wait_for_link_up(5))
118 dump = memif.query_vpp_config()
120 if memif.role == MEMIF_ROLE.SLAVE:
121 self.assertEqual(dump.ring_size, memif.ring_size)
122 self.assertEqual(dump.buffer_size, memif.buffer_size)
124 self.assertEqual(dump.ring_size, 1)
125 self.assertEqual(dump.buffer_size, 0)
127 def _connect_test_interface_pair(self, memif0, memif1):
128 memif0.add_vpp_config()
129 memif1.add_vpp_config()
134 self._connect_test_one_interface(memif0)
135 self._connect_test_one_interface(memif1)
137 memif0.remove_vpp_config()
138 memif1.remove_vpp_config()
140 def test_memif_create_delete(self):
141 """ Memif create/delete interface """
143 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
144 self._create_delete_test_one_interface(memif)
145 memif.role = MEMIF_ROLE.MASTER
146 self._create_delete_test_one_interface(memif)
148 def test_memif_create_custom_socket(self):
149 """ Memif create with non-default socket filname """
153 memif_sockets.append(
155 self, 1, self.tempdir + "/memif1.sock"))
156 # default path (test tempdir)
157 memif_sockets.append(
162 add_default_folder=True))
163 # create new folder in default folder
164 memif_sockets.append(
169 add_default_folder=True))
171 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
173 for sock in memif_sockets:
174 sock.add_vpp_config()
175 memif.socket_id = sock.socket_id
176 memif.role = MEMIF_ROLE.SLAVE
177 self._create_delete_test_one_interface(memif)
178 memif.role = MEMIF_ROLE.MASTER
179 self._create_delete_test_one_interface(memif)
181 def test_memif_connect(self):
182 """ Memif connect """
183 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET,
184 ring_size=1024, buffer_size=2048)
186 remote_socket = VppSocketFilename(self.remote_test, 1,
187 self.tempdir + "/memif.sock")
188 remote_socket.add_vpp_config()
190 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
191 MEMIF_MODE.ETHERNET, socket_id=1,
192 ring_size=1024, buffer_size=2048)
194 self._connect_test_interface_pair(memif, remote_memif)
196 memif.role = MEMIF_ROLE.MASTER
197 remote_memif.role = MEMIF_ROLE.SLAVE
199 self._connect_test_interface_pair(memif, remote_memif)
201 def _create_icmp(self, pg, memif, num):
204 pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
205 IP(src=pg.remote_ip4, dst=memif.ip4_addr) /
206 ICMP(id=memif.if_id, type='echo-request', seq=i))
210 def _verify_icmp(self, pg, memif, rx, seq):
212 self.assertEqual(ip.src, memif.ip4_addr)
213 self.assertEqual(ip.dst, pg.remote_ip4)
214 self.assertEqual(ip.proto, 1)
216 self.assertEqual(icmp.type, 0) # echo-reply
217 self.assertEqual(icmp.id, memif.if_id)
218 self.assertEqual(icmp.seq, seq)
220 def test_memif_ping(self):
222 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
224 remote_socket = VppSocketFilename(self.remote_test, 1,
225 self.tempdir + "/memif.sock")
226 remote_socket.add_vpp_config()
228 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
229 MEMIF_MODE.ETHERNET, socket_id=1)
231 memif.add_vpp_config()
235 remote_memif.add_vpp_config()
236 remote_memif.config_ip4()
237 remote_memif.admin_up()
239 self.assertTrue(memif.wait_for_link_up(5))
240 self.assertTrue(remote_memif.wait_for_link_up(5))
242 # add routing to remote vpp
243 dst_addr = socket.inet_pton(socket.AF_INET, self.pg0._local_ip4_subnet)
245 next_hop_addr = socket.inet_pton(socket.AF_INET, memif.ip4_addr)
246 self.remote_test.vapi.ip_add_del_route(
247 dst_addr, dst_addr_len, next_hop_addr)
249 # create ICMP echo-request from local pg to remote memif
251 pkts = self._create_icmp(self.pg0, remote_memif, packet_num)
253 self.pg0.add_stream(pkts)
254 self.pg_enable_capture(self.pg_interfaces)
256 capture = self.pg0.get_capture(packet_num, timeout=2)
259 self._verify_icmp(self.pg0, remote_memif, c, seq)
263 if __name__ == '__main__':
264 unittest.main(testRunner=VppTestRunner)