3 from scapy.layers.l2 import Ether
4 from scapy.layers.inet import IP, ICMP
6 from framework import VppTestCase, VppTestRunner, running_extended_tests
7 from remote_test import RemoteClass, RemoteVppTestCase
8 from vpp_memif import *
11 class TestMemif(VppTestCase):
12 """ Memif Test Case """
16 # fork new process before client connects to VPP
17 cls.remote_test = RemoteClass(RemoteVppTestCase)
18 cls.remote_test.start_remote()
19 cls.remote_test.set_request_timeout(10)
20 super(TestMemif, cls).setUpClass()
21 cls.remote_test.setUpClass(cls.tempdir)
22 cls.create_pg_interfaces(range(1))
23 for pg in cls.pg_interfaces:
29 def tearDownClass(cls):
30 cls.remote_test.tearDownClass()
31 cls.remote_test.quit_remote()
32 for pg in cls.pg_interfaces:
36 super(TestMemif, cls).tearDownClass()
39 remove_all_memif_vpp_config(self)
40 remove_all_memif_vpp_config(self.remote_test)
41 super(TestMemif, self).tearDown()
43 def _check_socket_filename(self, dump, socket_id, filename):
45 if (d.socket_id == socket_id) and (
46 d.socket_filename.rstrip("\0") == filename):
50 def test_memif_socket_filename_add_del(self):
51 """ Memif socket filenale add/del """
53 # dump default socket filename
54 dump = self.vapi.memif_socket_filename_dump()
56 self._check_socket_filename(
57 dump, 0, self.tempdir + "/memif.sock"))
63 self, 1, self.tempdir + "/memif1.sock"))
64 # default path (test tempdir)
70 add_default_folder=True))
71 # create new folder in default folder
77 add_default_folder=True))
79 for sock in memif_sockets:
81 dump = sock.query_vpp_config()
83 self._check_socket_filename(
86 sock.socket_filename))
88 for sock in memif_sockets:
89 sock.remove_vpp_config()
91 dump = self.vapi.memif_socket_filename_dump()
93 self._check_socket_filename(
94 dump, 0, self.tempdir + "/memif.sock"))
96 def _create_delete_test_one_interface(self, memif):
97 memif.add_vpp_config()
99 dump = memif.query_vpp_config()
101 self.assertTrue(dump)
102 self.assertEqual(dump.sw_if_index, memif.sw_if_index)
103 self.assertEqual(dump.role, memif.role)
104 self.assertEqual(dump.mode, memif.mode)
105 if (memif.socket_id is not None):
106 self.assertEqual(dump.socket_id, memif.socket_id)
108 memif.remove_vpp_config()
110 dump = memif.query_vpp_config()
112 self.assertFalse(dump)
114 def _connect_test_one_interface(self, memif):
115 self.assertTrue(memif.wait_for_link_up(5))
116 dump = memif.query_vpp_config()
118 if memif.role == MEMIF_ROLE.SLAVE:
119 self.assertEqual(dump.ring_size, memif.ring_size)
120 self.assertEqual(dump.buffer_size, memif.buffer_size)
122 self.assertEqual(dump.ring_size, 1)
123 self.assertEqual(dump.buffer_size, 0)
125 def _connect_test_interface_pair(self, memif0, memif1):
126 memif0.add_vpp_config()
127 memif1.add_vpp_config()
132 self._connect_test_one_interface(memif0)
133 self._connect_test_one_interface(memif1)
135 memif0.remove_vpp_config()
136 memif1.remove_vpp_config()
138 def test_memif_create_delete(self):
139 """ Memif create/delete interface """
141 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
142 self._create_delete_test_one_interface(memif)
143 memif.role = MEMIF_ROLE.MASTER
144 self._create_delete_test_one_interface(memif)
146 def test_memif_create_custom_socket(self):
147 """ Memif create with non-default socket filname """
151 memif_sockets.append(
153 self, 1, self.tempdir + "/memif1.sock"))
154 # default path (test tempdir)
155 memif_sockets.append(
160 add_default_folder=True))
161 # create new folder in default folder
162 memif_sockets.append(
167 add_default_folder=True))
169 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
171 for sock in memif_sockets:
172 sock.add_vpp_config()
173 memif.socket_id = sock.socket_id
174 memif.role = MEMIF_ROLE.SLAVE
175 self._create_delete_test_one_interface(memif)
176 memif.role = MEMIF_ROLE.MASTER
177 self._create_delete_test_one_interface(memif)
179 def test_memif_connect(self):
180 """ Memif connect """
181 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET,
182 ring_size=1024, buffer_size=2048)
184 remote_socket = VppSocketFilename(self.remote_test, 1,
185 self.tempdir + "/memif.sock")
186 remote_socket.add_vpp_config()
188 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
189 MEMIF_MODE.ETHERNET, socket_id=1,
190 ring_size=1024, buffer_size=2048)
192 self._connect_test_interface_pair(memif, remote_memif)
194 memif.role = MEMIF_ROLE.MASTER
195 remote_memif.role = MEMIF_ROLE.SLAVE
197 self._connect_test_interface_pair(memif, remote_memif)
199 def _create_icmp(self, pg, memif, num):
202 pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
203 IP(src=pg.remote_ip4, dst=memif.ip4_addr) /
204 ICMP(id=memif.if_id, type='echo-request', seq=i))
208 def _verify_icmp(self, pg, memif, rx, seq):
210 self.assertEqual(ip.src, memif.ip4_addr)
211 self.assertEqual(ip.dst, pg.remote_ip4)
212 self.assertEqual(ip.proto, 1)
214 self.assertEqual(icmp.type, 0) # echo-reply
215 self.assertEqual(icmp.id, memif.if_id)
216 self.assertEqual(icmp.seq, seq)
218 def test_memif_ping(self):
220 memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
222 remote_socket = VppSocketFilename(self.remote_test, 1,
223 self.tempdir + "/memif.sock")
224 remote_socket.add_vpp_config()
226 remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
227 MEMIF_MODE.ETHERNET, socket_id=1)
229 memif.add_vpp_config()
233 remote_memif.add_vpp_config()
234 remote_memif.config_ip4()
235 remote_memif.admin_up()
237 self.assertTrue(memif.wait_for_link_up(5))
238 self.assertTrue(remote_memif.wait_for_link_up(5))
240 # add routing to remote vpp
241 dst_addr = socket.inet_pton(socket.AF_INET, self.pg0._local_ip4_subnet)
243 next_hop_addr = socket.inet_pton(socket.AF_INET, memif.ip4_addr)
244 self.remote_test.vapi.ip_add_del_route(
245 dst_addr, dst_addr_len, next_hop_addr)
247 # create ICMP echo-request from local pg to remote memif
249 pkts = self._create_icmp(self.pg0, remote_memif, packet_num)
251 self.pg0.add_stream(pkts)
252 self.pg_enable_capture(self.pg_interfaces)
254 capture = self.pg0.get_capture(packet_num, timeout=2)
257 self._verify_icmp(self.pg0, remote_memif, c, seq)
261 if __name__ == '__main__':
262 unittest.main(testRunner=VppTestRunner)