diff options
Diffstat (limited to 'src/plugins/memif')
| -rw-r--r-- | src/plugins/memif/test/test_memif.py | 275 | ||||
| -rw-r--r-- | src/plugins/memif/test/vpp_memif.py | 155 |
2 files changed, 430 insertions, 0 deletions
diff --git a/src/plugins/memif/test/test_memif.py b/src/plugins/memif/test/test_memif.py new file mode 100644 index 00000000000..6413cfdbf20 --- /dev/null +++ b/src/plugins/memif/test/test_memif.py @@ -0,0 +1,275 @@ +import socket +import unittest + +from scapy.layers.l2 import Ether +from scapy.layers.inet import IP, ICMP +import six + +from framework import VppTestCase, VppTestRunner, running_extended_tests +from remote_test import RemoteClass, RemoteVppTestCase +from vpp_memif import MEMIF_MODE, MEMIF_ROLE, remove_all_memif_vpp_config, \ + VppSocketFilename, VppMemif +from vpp_ip_route import VppIpRoute, VppRoutePath + + +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(b"\0") == filename): + return True + return False + + def test_memif_socket_filename_add_del(self): + """ Memif socket filename add/del """ + + # dump default socket filename + dump = self.vapi.memif_socket_filename_dump() + self.assertTrue( + self._check_socket_filename( + dump, 0, b"%s/memif.sock" % six.ensure_binary( + self.tempdir, encoding='utf-8'))) + + memif_sockets = [] + # existing path + memif_sockets.append( + VppSocketFilename( + self, 1, b"%s/memif1.sock" % six.ensure_binary( + self.tempdir, encoding='utf-8'))) + # default path (test tempdir) + memif_sockets.append( + VppSocketFilename( + self, + 2, + b"memif2.sock", + add_default_folder=True)) + # create new folder in default folder + memif_sockets.append( + VppSocketFilename( + self, + 3, + b"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, b"%s/memif.sock" % six.ensure_binary( + self.tempdir, encoding='utf-8'))) + + 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 filename """ + + memif_sockets = [] + # existing path + memif_sockets.append( + VppSocketFilename( + self, 1, b"%s/memif1.sock" % six.ensure_binary( + self.tempdir, encoding='utf-8'))) + # default path (test tempdir) + memif_sockets.append( + VppSocketFilename( + self, + 2, + b"memif2.sock", + add_default_folder=True)) + # create new folder in default folder + memif_sockets.append( + VppSocketFilename( + self, + 3, + b"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_socket = VppSocketFilename(self.remote_test, 1, + b"%s/memif.sock" % six.ensure_binary( + self.tempdir, encoding='utf-8')) + remote_socket.add_vpp_config() + + remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER, + MEMIF_MODE.ETHERNET, socket_id=1, + 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.ip_prefix.address) / + 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.ip_prefix.address) + 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.SLAVE, MEMIF_MODE.ETHERNET) + + remote_socket = VppSocketFilename(self.remote_test, 1, + b"%s/memif.sock" % six.ensure_binary( + self.tempdir, encoding='utf-8')) + remote_socket.add_vpp_config() + + remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER, + MEMIF_MODE.ETHERNET, socket_id=1) + + 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 + route = VppIpRoute(self.remote_test, self.pg0._local_ip4_subnet, 24, + [VppRoutePath(memif.ip_prefix.address, 0xffffffff)], + register=False) + + route.add_vpp_config() + + # 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 + + route.remove_vpp_config() + + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) diff --git a/src/plugins/memif/test/vpp_memif.py b/src/plugins/memif/test/vpp_memif.py new file mode 100644 index 00000000000..befcc2840c5 --- /dev/null +++ b/src/plugins/memif/test/vpp_memif.py @@ -0,0 +1,155 @@ +import socket + +import six + +from vpp_object import VppObject +from vpp_ip import VppIpPrefix +from vpp_papi import VppEnum + + +class MEMIF_ROLE: + MASTER = 0 + SLAVE = 1 + + +class MEMIF_MODE: + ETHERNET = 0 + IP = 1 + PUNT_INJECT = 2 + + +def get_if_dump(dump, sw_if_index): + for d in dump: + if (d.sw_if_index == sw_if_index): + return d + + +def query_all_memif_vpp_config(_test): + return _test.vapi.memif_dump() + + +def remove_all_memif_vpp_config(_test): + dump = _test.vapi.memif_dump() + for d in dump: + _test.vapi.memif_delete(d.sw_if_index) + dump = _test.vapi.memif_socket_filename_dump() + for d in dump: + if d.socket_id != 0: + _test.vapi.memif_socket_filename_add_del( + 0, d.socket_id, d.socket_filename) + + +class VppSocketFilename(VppObject): + def __init__(self, test, socket_id, socket_filename, + add_default_folder=False): + self._test = test + self.socket_id = socket_id + self.socket_filename = socket_filename + + # if True insert default socket folder before socket filename, + # after adding vpp config + self.add_default_folder = add_default_folder + + def add_vpp_config(self): + rv = self._test.vapi.memif_socket_filename_add_del( + 1, self.socket_id, self.socket_filename) + if self.add_default_folder: + self.socket_filename = b"%s/%s" % ( + six.ensure_binary(self._test.tempdir, encoding='utf-8'), + self.socket_filename) + return rv + + def remove_vpp_config(self): + return self._test.vapi.memif_socket_filename_add_del( + 0, self.socket_id, self.socket_filename) + + def query_vpp_config(self): + return self._test.vapi.memif_socket_filename_dump() + + def object_id(self): + return "socket-filename-%d-%s" % (self.socket_id, self.socket_filename) + + +class VppMemif(VppObject): + def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0, + socket_id=0, secret="", ring_size=0, buffer_size=0, + hw_addr=""): + self._test = test + self.role = role + self.mode = mode + self.rx_queues = rx_queues + self.tx_queues = tx_queues + self.if_id = if_id + self.socket_id = socket_id + self.secret = secret + self.ring_size = ring_size + self.buffer_size = buffer_size + self.hw_addr = hw_addr + self.sw_if_index = None + self.ip_prefix = VppIpPrefix("192.168.%d.%d" % + (self.if_id + 1, self.role + 1), 24) + + def add_vpp_config(self): + rv = self._test.vapi.memif_create( + role=self.role, + mode=self.mode, + rx_queues=self.rx_queues, + tx_queues=self.tx_queues, + id=self.if_id, + socket_id=self.socket_id, + secret=self.secret, + ring_size=self.ring_size, + buffer_size=self.buffer_size, + hw_addr=self.hw_addr) + try: + self.sw_if_index = 0 + except AttributeError: + raise AttributeError('self: %s' % self.__dict__) + try: + self.sw_if_index = rv.sw_if_index + except AttributeError: + raise AttributeError("%s %s", self, rv) + + return self.sw_if_index + + def admin_up(self): + if self.sw_if_index: + return self._test.vapi.sw_interface_set_flags( + sw_if_index=self.sw_if_index, flags=1) + + def admin_down(self): + if self.sw_if_index: + return self._test.vapi.sw_interface_set_flags( + sw_if_index=self.sw_if_index, flags=0) + + def wait_for_link_up(self, timeout, step=1): + if not self.sw_if_index: + return False + while True: + dump = self.query_vpp_config() + if dump.link_up_down == 1: + return True + self._test.sleep(step) + timeout -= step + if timeout <= 0: + return False + + def config_ip4(self): + return self._test.vapi.sw_interface_add_del_address( + sw_if_index=self.sw_if_index, prefix=self.ip_prefix.encode()) + + def remove_vpp_config(self): + self._test.vapi.memif_delete(self.sw_if_index) + self.sw_if_index = None + + def query_vpp_config(self): + if not self.sw_if_index: + return None + dump = self._test.vapi.memif_dump() + return get_if_dump(dump, self.sw_if_index) + + def object_id(self): + if self.sw_if_index: + return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index) + else: + return "%d:%d:None" % (self.role, self.if_id) |