From eddd8e3588561039985b27edf059db6033bfdfab Mon Sep 17 00:00:00 2001 From: Dave Wallace Date: Wed, 12 May 2021 21:43:59 -0400 Subject: tests: move test source to vpp/test - Generate copyright year and version instead of using hard-coded data Type: refactor Signed-off-by: Dave Wallace Change-Id: I6058f5025323b3aa483f5df4a2c4371e27b5914e --- test/test_memif.py | 308 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 308 insertions(+) create mode 100644 test/test_memif.py (limited to 'test/test_memif.py') diff --git a/test/test_memif.py b/test/test_memif.py new file mode 100644 index 00000000000..fc7cf9b2e7e --- /dev/null +++ b/test/test_memif.py @@ -0,0 +1,308 @@ +import socket +import unittest + +from scapy.layers.l2 import Ether +from scapy.layers.inet import IP, ICMP + +from framework import VppTestCase, VppTestRunner, running_extended_tests +from framework import tag_run_solo +from remote_test import RemoteClass, RemoteVppTestCase +from vpp_memif import remove_all_memif_vpp_config, \ + VppSocketFilename, VppMemif +from vpp_ip_route import VppIpRoute, VppRoutePath +from vpp_papi import VppEnum + + +@tag_run_solo +class TestMemif(VppTestCase): + """ Memif Test Case """ + remote_class = RemoteVppTestCase + + @classmethod + def get_cpus_required(cls): + return (super().get_cpus_required() + + cls.remote_class.get_cpus_required()) + + @classmethod + def assign_cpus(cls, cpus): + remote_cpus = cpus[:cls.remote_class.get_cpus_required()] + my_cpus = cpus[cls.remote_class.get_cpus_required():] + cls.remote_class.assign_cpus(remote_cpus) + super().assign_cpus(my_cpus) + + @classmethod + def setUpClass(cls): + # fork new process before client connects to VPP + cls.remote_test = RemoteClass(cls.remote_class) + 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 == 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, "%s/memif.sock" % self.tempdir)) + + memif_sockets = [] + # existing path + memif_sockets.append( + VppSocketFilename( + self, 1, "%s/memif1.sock" % self.tempdir)) + # default path (test tempdir) + 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, "%s/memif.sock" % self.tempdir)) + + 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 == VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_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, + VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE, + VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET) + self._create_delete_test_one_interface(memif) + memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_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, "%s/memif1.sock" % self.tempdir)) + # default path (test tempdir) + 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, + VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE, + VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET) + + for sock in memif_sockets: + sock.add_vpp_config() + memif.socket_id = sock.socket_id + memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE + self._create_delete_test_one_interface(memif) + memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER + self._create_delete_test_one_interface(memif) + + def test_memif_connect(self): + """ Memif connect """ + memif = VppMemif( + self, + VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE, + VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET, + ring_size=1024, + buffer_size=2048, + secret="abc") + + remote_socket = VppSocketFilename(self.remote_test, 1, + "%s/memif.sock" % self.tempdir) + remote_socket.add_vpp_config() + + remote_memif = VppMemif( + self.remote_test, + VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER, + VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET, + socket_id=1, + ring_size=1024, + buffer_size=2048, + secret="abc") + + self._connect_test_interface_pair(memif, remote_memif) + + memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER + remote_memif.role = VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_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=str(memif.ip_prefix.network_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, str(memif.ip_prefix.network_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, + VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE, + VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET) + + remote_socket = VppSocketFilename(self.remote_test, 1, + "%s/memif.sock" % self.tempdir) + remote_socket.add_vpp_config() + + remote_memif = VppMemif( + self.remote_test, + VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER, + VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_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.network_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) -- cgit 1.2.3-korg