diff options
Diffstat (limited to 'test/test_memif.py')
| -rw-r--r-- | test/test_memif.py | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/test/test_memif.py b/test/test_memif.py new file mode 100644 index 00000000000..8fe229986aa --- /dev/null +++ b/test/test_memif.py @@ -0,0 +1,259 @@ +import unittest + +from scapy.layers.l2 import Ether +from scapy.layers.inet import IP, ICMP + +from framework import VppTestCase, VppTestRunner, running_extended_tests +from remote_test import RemoteClass, RemoteVppTestCase +from vpp_memif import * + + +class TestMemif(VppTestCase): + """ Memif Test Case """ + + @classmethod + def setUpClass(cls): + # fork new process before client connects to VPP + cls.remote_test = RemoteClass(RemoteVppTestCase) + cls.remote_test.start_remote() + cls.remote_test.set_request_timeout(10) + super(TestMemif, cls).setUpClass() + cls.remote_test.setUpClass(cls.tempdir) + cls.create_pg_interfaces(range(1)) + for pg in cls.pg_interfaces: + pg.config_ip4() + pg.admin_up() + pg.resolve_arp() + + @classmethod + def tearDownClass(cls): + cls.remote_test.tearDownClass() + cls.remote_test.quit_remote() + for pg in cls.pg_interfaces: + pg.unconfig_ip4() + pg.set_table_ip4(0) + pg.admin_down() + super(TestMemif, cls).tearDownClass() + + def tearDown(self): + remove_all_memif_vpp_config(self) + remove_all_memif_vpp_config(self.remote_test) + super(TestMemif, self).tearDown() + + def _check_socket_filename(self, dump, socket_id, filename): + for d in dump: + if (d.socket_id == socket_id) and ( + d.socket_filename.rstrip("\0") == filename): + return True + return False + + def test_memif_socket_filename_add_del(self): + """ Memif socket filenale add/del """ + + # dump default socket filename + dump = self.vapi.memif_socket_filename_dump() + self.assertTrue( + self._check_socket_filename( + dump, 0, "/run/vpp/memif.sock")) + + memif_sockets = [] + # existing path + memif_sockets.append( + VppSocketFilename( + self, 1, "/run/vpp/memif1.sock")) + # default path ("/run/vpp") + memif_sockets.append( + VppSocketFilename( + self, + 2, + "memif2.sock", + add_default_folder=True)) + # create new folder in default folder + memif_sockets.append( + VppSocketFilename( + self, + 3, + "sock/memif3.sock", + add_default_folder=True)) + + for sock in memif_sockets: + sock.add_vpp_config() + dump = sock.query_vpp_config() + self.assertTrue( + self._check_socket_filename( + dump, + sock.socket_id, + sock.socket_filename)) + + for sock in memif_sockets: + sock.remove_vpp_config() + + dump = self.vapi.memif_socket_filename_dump() + self.assertTrue( + self._check_socket_filename( + dump, 0, "/run/vpp/memif.sock")) + + def _create_delete_test_one_interface(self, memif): + memif.add_vpp_config() + + dump = memif.query_vpp_config() + + self.assertTrue(dump) + self.assertEqual(dump.sw_if_index, memif.sw_if_index) + self.assertEqual(dump.role, memif.role) + self.assertEqual(dump.mode, memif.mode) + if (memif.socket_id is not None): + self.assertEqual(dump.socket_id, memif.socket_id) + + memif.remove_vpp_config() + + dump = memif.query_vpp_config() + + self.assertFalse(dump) + + def _connect_test_one_interface(self, memif): + self.assertTrue(memif.wait_for_link_up(5)) + dump = memif.query_vpp_config() + + if memif.role == MEMIF_ROLE.SLAVE: + self.assertEqual(dump.ring_size, memif.ring_size) + self.assertEqual(dump.buffer_size, memif.buffer_size) + else: + self.assertEqual(dump.ring_size, 1) + self.assertEqual(dump.buffer_size, 0) + + def _connect_test_interface_pair(self, memif0, memif1): + memif0.add_vpp_config() + memif1.add_vpp_config() + + memif0.admin_up() + memif1.admin_up() + + self._connect_test_one_interface(memif0) + self._connect_test_one_interface(memif1) + + memif0.remove_vpp_config() + memif1.remove_vpp_config() + + def test_memif_create_delete(self): + """ Memif create/delete interface """ + + memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET) + self._create_delete_test_one_interface(memif) + memif.role = MEMIF_ROLE.MASTER + self._create_delete_test_one_interface(memif) + + def test_memif_create_custom_socket(self): + """ Memif create with non-default socket filname """ + + memif_sockets = [] + # existing path + memif_sockets.append( + VppSocketFilename( + self, 1, "/run/vpp/memif1.sock")) + # default path ("/run/vpp") + memif_sockets.append( + VppSocketFilename( + self, + 2, + "memif2.sock", + add_default_folder=True)) + # create new folder in default folder + memif_sockets.append( + VppSocketFilename( + self, + 3, + "sock/memif3.sock", + add_default_folder=True)) + + memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET) + + for sock in memif_sockets: + sock.add_vpp_config() + memif.socket_id = sock.socket_id + memif.role = MEMIF_ROLE.SLAVE + self._create_delete_test_one_interface(memif) + memif.role = MEMIF_ROLE.MASTER + self._create_delete_test_one_interface(memif) + + def test_memif_connect(self): + """ Memif connect """ + memif = VppMemif( + self, + MEMIF_ROLE.SLAVE, + MEMIF_MODE.ETHERNET, + ring_size=1024, + buffer_size=2048) + remote_memif = VppMemif( + self.remote_test, + MEMIF_ROLE.MASTER, + MEMIF_MODE.ETHERNET, + ring_size=1024, + buffer_size=2048) + + self._connect_test_interface_pair(memif, remote_memif) + + memif.role = MEMIF_ROLE.MASTER + remote_memif.role = MEMIF_ROLE.SLAVE + + self._connect_test_interface_pair(memif, remote_memif) + + def _create_icmp(self, pg, memif, num): + pkts = [] + for i in range(num): + pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) / + IP(src=pg.remote_ip4, dst=memif.ip4_addr) / + ICMP(id=memif.if_id, type='echo-request', seq=i)) + pkts.append(pkt) + return pkts + + def _verify_icmp(self, pg, memif, rx, seq): + ip = rx[IP] + self.assertEqual(ip.src, memif.ip4_addr) + self.assertEqual(ip.dst, pg.remote_ip4) + self.assertEqual(ip.proto, 1) + icmp = rx[ICMP] + self.assertEqual(icmp.type, 0) # echo-reply + self.assertEqual(icmp.id, memif.if_id) + self.assertEqual(icmp.seq, seq) + + def test_memif_ping(self): + """ Memif ping """ + memif = VppMemif(self, MEMIF_ROLE.MASTER, MEMIF_MODE.ETHERNET) + remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.SLAVE, + MEMIF_MODE.ETHERNET) + + memif.add_vpp_config() + memif.config_ip4() + memif.admin_up() + + remote_memif.add_vpp_config() + remote_memif.config_ip4() + remote_memif.admin_up() + + self.assertTrue(memif.wait_for_link_up(5)) + self.assertTrue(remote_memif.wait_for_link_up(5)) + + # add routing to remote vpp + dst_addr = socket.inet_pton(socket.AF_INET, self.pg0._local_ip4_subnet) + dst_addr_len = 24 + next_hop_addr = socket.inet_pton(socket.AF_INET, memif.ip4_addr) + self.remote_test.vapi.ip_add_del_route( + dst_addr, dst_addr_len, next_hop_addr) + + # create ICMP echo-request from local pg to remote memif + packet_num = 10 + pkts = self._create_icmp(self.pg0, remote_memif, packet_num) + + self.pg0.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + capture = self.pg0.get_capture(packet_num, timeout=2) + seq = 0 + for c in capture: + self._verify_icmp(self.pg0, remote_memif, c, seq) + seq += 1 + + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) |