23064dd22a
Change-Id: I5273d5f3f59cc3c43da0a15bb0c4a4056098adcf Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com> (cherry picked from commit 997439170aa3bb562c84e882c45331ba476e7c8e)
263 lines
8.6 KiB
Python
263 lines
8.6 KiB
Python
import unittest
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from scapy.layers.l2 import Ether
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from scapy.layers.inet import IP, ICMP
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from framework import VppTestCase, VppTestRunner, running_extended_tests
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from remote_test import RemoteClass, RemoteVppTestCase
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from vpp_memif import *
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class TestMemif(VppTestCase):
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""" Memif Test Case """
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@classmethod
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def setUpClass(cls):
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# fork new process before client connects to VPP
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cls.remote_test = RemoteClass(RemoteVppTestCase)
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cls.remote_test.start_remote()
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cls.remote_test.set_request_timeout(10)
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super(TestMemif, cls).setUpClass()
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cls.remote_test.setUpClass(cls.tempdir)
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cls.create_pg_interfaces(range(1))
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for pg in cls.pg_interfaces:
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pg.config_ip4()
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pg.admin_up()
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pg.resolve_arp()
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@classmethod
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def tearDownClass(cls):
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cls.remote_test.tearDownClass()
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cls.remote_test.quit_remote()
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for pg in cls.pg_interfaces:
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pg.unconfig_ip4()
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pg.set_table_ip4(0)
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pg.admin_down()
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super(TestMemif, cls).tearDownClass()
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def tearDown(self):
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remove_all_memif_vpp_config(self)
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remove_all_memif_vpp_config(self.remote_test)
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super(TestMemif, self).tearDown()
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def _check_socket_filename(self, dump, socket_id, filename):
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for d in dump:
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if (d.socket_id == socket_id) and (
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d.socket_filename.rstrip("\0") == filename):
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return True
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return False
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def test_memif_socket_filename_add_del(self):
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""" Memif socket filenale add/del """
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# dump default socket filename
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dump = self.vapi.memif_socket_filename_dump()
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self.assertTrue(
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self._check_socket_filename(
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dump, 0, self.tempdir + "/memif.sock"))
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memif_sockets = []
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# existing path
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memif_sockets.append(
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VppSocketFilename(
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self, 1, self.tempdir + "/memif1.sock"))
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# default path (test tempdir)
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memif_sockets.append(
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VppSocketFilename(
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self,
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2,
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"memif2.sock",
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add_default_folder=True))
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# create new folder in default folder
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memif_sockets.append(
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VppSocketFilename(
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self,
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3,
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"sock/memif3.sock",
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add_default_folder=True))
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for sock in memif_sockets:
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sock.add_vpp_config()
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dump = sock.query_vpp_config()
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self.assertTrue(
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self._check_socket_filename(
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dump,
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sock.socket_id,
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sock.socket_filename))
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for sock in memif_sockets:
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sock.remove_vpp_config()
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dump = self.vapi.memif_socket_filename_dump()
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self.assertTrue(
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self._check_socket_filename(
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dump, 0, self.tempdir + "/memif.sock"))
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def _create_delete_test_one_interface(self, memif):
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memif.add_vpp_config()
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dump = memif.query_vpp_config()
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self.assertTrue(dump)
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self.assertEqual(dump.sw_if_index, memif.sw_if_index)
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self.assertEqual(dump.role, memif.role)
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self.assertEqual(dump.mode, memif.mode)
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if (memif.socket_id is not None):
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self.assertEqual(dump.socket_id, memif.socket_id)
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memif.remove_vpp_config()
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dump = memif.query_vpp_config()
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self.assertFalse(dump)
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def _connect_test_one_interface(self, memif):
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self.assertTrue(memif.wait_for_link_up(5))
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dump = memif.query_vpp_config()
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if memif.role == MEMIF_ROLE.SLAVE:
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self.assertEqual(dump.ring_size, memif.ring_size)
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self.assertEqual(dump.buffer_size, memif.buffer_size)
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else:
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self.assertEqual(dump.ring_size, 1)
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self.assertEqual(dump.buffer_size, 0)
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def _connect_test_interface_pair(self, memif0, memif1):
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memif0.add_vpp_config()
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memif1.add_vpp_config()
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memif0.admin_up()
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memif1.admin_up()
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self._connect_test_one_interface(memif0)
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self._connect_test_one_interface(memif1)
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memif0.remove_vpp_config()
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memif1.remove_vpp_config()
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def test_memif_create_delete(self):
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""" Memif create/delete interface """
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memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
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self._create_delete_test_one_interface(memif)
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memif.role = MEMIF_ROLE.MASTER
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self._create_delete_test_one_interface(memif)
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def test_memif_create_custom_socket(self):
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""" Memif create with non-default socket filname """
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memif_sockets = []
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# existing path
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memif_sockets.append(
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VppSocketFilename(
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self, 1, self.tempdir + "/memif1.sock"))
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# default path (test tempdir)
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memif_sockets.append(
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VppSocketFilename(
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self,
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2,
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"memif2.sock",
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add_default_folder=True))
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# create new folder in default folder
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memif_sockets.append(
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VppSocketFilename(
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self,
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3,
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"sock/memif3.sock",
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add_default_folder=True))
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memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
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for sock in memif_sockets:
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sock.add_vpp_config()
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memif.socket_id = sock.socket_id
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memif.role = MEMIF_ROLE.SLAVE
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self._create_delete_test_one_interface(memif)
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memif.role = MEMIF_ROLE.MASTER
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self._create_delete_test_one_interface(memif)
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def test_memif_connect(self):
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""" Memif connect """
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memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET,
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ring_size=1024, buffer_size=2048)
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remote_socket = VppSocketFilename(self.remote_test, 1,
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self.tempdir + "/memif.sock")
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remote_socket.add_vpp_config()
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remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
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MEMIF_MODE.ETHERNET, socket_id=1,
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ring_size=1024, buffer_size=2048)
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self._connect_test_interface_pair(memif, remote_memif)
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memif.role = MEMIF_ROLE.MASTER
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remote_memif.role = MEMIF_ROLE.SLAVE
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self._connect_test_interface_pair(memif, remote_memif)
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def _create_icmp(self, pg, memif, num):
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pkts = []
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for i in range(num):
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pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
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IP(src=pg.remote_ip4, dst=memif.ip4_addr) /
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ICMP(id=memif.if_id, type='echo-request', seq=i))
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pkts.append(pkt)
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return pkts
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def _verify_icmp(self, pg, memif, rx, seq):
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ip = rx[IP]
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self.assertEqual(ip.src, memif.ip4_addr)
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self.assertEqual(ip.dst, pg.remote_ip4)
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self.assertEqual(ip.proto, 1)
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icmp = rx[ICMP]
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self.assertEqual(icmp.type, 0) # echo-reply
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self.assertEqual(icmp.id, memif.if_id)
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self.assertEqual(icmp.seq, seq)
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def test_memif_ping(self):
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""" Memif ping """
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memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
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remote_socket = VppSocketFilename(self.remote_test, 1,
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self.tempdir + "/memif.sock")
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remote_socket.add_vpp_config()
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remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
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MEMIF_MODE.ETHERNET, socket_id=1)
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memif.add_vpp_config()
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memif.config_ip4()
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memif.admin_up()
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remote_memif.add_vpp_config()
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remote_memif.config_ip4()
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remote_memif.admin_up()
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self.assertTrue(memif.wait_for_link_up(5))
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self.assertTrue(remote_memif.wait_for_link_up(5))
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# add routing to remote vpp
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dst_addr = socket.inet_pton(socket.AF_INET, self.pg0._local_ip4_subnet)
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dst_addr_len = 24
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next_hop_addr = socket.inet_pton(socket.AF_INET, memif.ip4_addr)
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self.remote_test.vapi.ip_add_del_route(
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dst_addr, dst_addr_len, next_hop_addr)
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# create ICMP echo-request from local pg to remote memif
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packet_num = 10
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pkts = self._create_icmp(self.pg0, remote_memif, packet_num)
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self.pg0.add_stream(pkts)
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self.pg_enable_capture(self.pg_interfaces)
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self.pg_start()
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capture = self.pg0.get_capture(packet_num, timeout=2)
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seq = 0
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for c in capture:
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self._verify_icmp(self.pg0, remote_memif, c, seq)
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seq += 1
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if __name__ == '__main__':
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unittest.main(testRunner=VppTestRunner)
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