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-rw-r--r--test/test_memif.py259
1 files changed, 259 insertions, 0 deletions
diff --git a/test/test_memif.py b/test/test_memif.py
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--- /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)