--- /dev/null
+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)
Code Review / vpp.git / blobdiff