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authorSteven Luong <sluong@cisco.com>2020-05-15 12:21:50 -0700
committerDamjan Marion <dmarion@me.com>2020-06-27 10:22:40 +0000
commita4611b85b58155fc3abbe2a7f16bd98e1a3dc39d (patch)
tree7e6f0b4d6fe4915a024d92c9ee738c526dde8401
parent9466e4fed6faaf9c161767e2bc42c9cb0cf2c7ec (diff)
lacp: add unit test
add test_lacp.py to cover basic lacp unit test Type: fix Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: I6f7f3d801956e54106f3c55cedaca186d81dad25
-rw-r--r--src/plugins/lacp/test/test_lacp.py364
1 files changed, 364 insertions, 0 deletions
diff --git a/src/plugins/lacp/test/test_lacp.py b/src/plugins/lacp/test/test_lacp.py
new file mode 100644
index 00000000000..fa4b0a21ca9
--- /dev/null
+++ b/src/plugins/lacp/test/test_lacp.py
@@ -0,0 +1,364 @@
+#!/usr/bin/env python3
+
+import time
+import unittest
+
+from scapy.contrib.lacp import LACP, SlowProtocol, MarkerProtocol
+from scapy.layers.l2 import Ether
+
+from framework import VppTestCase, VppTestRunner
+from vpp_memif import remove_all_memif_vpp_config, VppSocketFilename, VppMemif
+from vpp_bond_interface import VppBondInterface
+from vpp_papi import VppEnum, MACAddress
+
+bond_mac = "02:02:02:02:02:02"
+lacp_dst_mac = '01:80:c2:00:00:02'
+LACP_COLLECTION_AND_DISTRIBUTION_STATE = 63
+
+
+class TestMarker(VppTestCase):
+ """LACP Marker Protocol Test Case
+
+ """
+
+ @classmethod
+ def setUpClass(cls):
+ super().setUpClass()
+ # Test variables
+ cls.pkts_per_burst = 257 # Number of packets per burst
+ # create 3 pg interfaces
+ cls.create_pg_interfaces(range(1))
+
+ # packet sizes
+ cls.pg_if_packet_sizes = [64, 512, 1518] # , 9018]
+
+ # setup all interfaces
+ for i in cls.pg_interfaces:
+ i.admin_up()
+
+ @classmethod
+ def tearDownClass(cls):
+ super().tearDownClass()
+
+ def setUp(self):
+ super().setUp()
+
+ def tearDown(self):
+ super().tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.ppcli("show interface"))
+
+ def test_marker_request(self):
+ """ Marker Request test """
+
+ # topology
+ #
+ # +-+ +-+
+ # memif1 -----|B| |B|---- memif11
+ # |o| |o|
+ # |n|------|n|
+ # |d| |d|
+ # pg0 -----|0| |1|
+ # +-+ +-+
+
+ socket1 = VppSocketFilename(
+ self,
+ socket_id=1,
+ socket_filename="%s/memif.sock1" % self.tempdir)
+ socket1.add_vpp_config()
+
+ socket11 = VppSocketFilename(
+ self,
+ socket_id=2,
+ socket_filename="%s/memif.sock1" % self.tempdir)
+ socket11.add_vpp_config()
+
+ memif1 = VppMemif(
+ self,
+ role=VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER,
+ mode=VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET,
+ socket_id=1)
+ memif1.add_vpp_config()
+ memif1.admin_up()
+
+ memif11 = VppMemif(
+ self,
+ role=VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE,
+ mode=VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET,
+ socket_id=2)
+ memif11.add_vpp_config()
+ memif11.admin_up()
+
+ bond0 = VppBondInterface(
+ self,
+ mode=VppEnum.vl_api_bond_mode_t.BOND_API_MODE_LACP,
+ use_custom_mac=1,
+ mac_address=bond_mac)
+
+ bond0.add_vpp_config()
+ bond0.admin_up()
+
+ bond1 = VppBondInterface(
+ self,
+ mode=VppEnum.vl_api_bond_mode_t.BOND_API_MODE_LACP)
+ bond1.add_vpp_config()
+ bond1.admin_up()
+
+ bond0.enslave_vpp_bond_interface(sw_if_index=memif1.sw_if_index)
+ bond1.enslave_vpp_bond_interface(sw_if_index=memif11.sw_if_index)
+
+ # wait for memif protocol exchange and hardware carrier to come up
+ self.assertEqual(memif1.wait_for_link_up(10), True)
+ self.assertEqual(memif11.wait_for_link_up(10), True)
+
+ # verify memif1 in bond0
+ intfs = self.vapi.sw_interface_slave_dump(
+ sw_if_index=bond0.sw_if_index)
+ for intf in intfs:
+ self.assertEqual(intf.sw_if_index, memif1.sw_if_index)
+
+ # verify memif11 in bond1
+ intfs = self.vapi.sw_interface_slave_dump(
+ sw_if_index=bond1.sw_if_index)
+ for intf in intfs:
+ self.assertEqual(intf.sw_if_index, memif11.sw_if_index)
+
+ self.vapi.ppcli("trace add memif-input 100")
+
+ # create marker request
+ marker = (Ether(src=bond_mac, dst=lacp_dst_mac) /
+ SlowProtocol() /
+ MarkerProtocol(marker_type=1,
+ requester_port=1,
+ requester_system=bond_mac,
+ requester_transaction_id=1))
+
+ bond1.enslave_vpp_bond_interface(sw_if_index=self.pg0.sw_if_index)
+ self.pg0.add_stream(marker)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ show_trace = self.vapi.ppcli("show trace max 100")
+ self.assertIn("Marker Information TLV:", show_trace)
+
+ bond0.remove_vpp_config()
+ bond1.remove_vpp_config()
+
+
+class TestLACP(VppTestCase):
+ """LACP Test Case
+
+ """
+
+ @classmethod
+ def setUpClass(cls):
+ super().setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super().tearDownClass()
+
+ def setUp(self):
+ super().setUp()
+
+ def tearDown(self):
+ super().tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.ppcli("show interface"))
+
+ def wait_for_lacp_connect(self, timeout, step=1):
+ while 1:
+ intfs = self.vapi.sw_interface_lacp_dump()
+ all_good = 1
+ for intf in intfs:
+ if ((intf.actor_state !=
+ LACP_COLLECTION_AND_DISTRIBUTION_STATE) or
+ (intf.partner_state !=
+ LACP_COLLECTION_AND_DISTRIBUTION_STATE)):
+ all_good = 0
+ if (all_good == 1):
+ return 1
+ self.sleep(step)
+ timeout -= step
+ if timeout <= 0:
+ return 0
+
+ def wait_for_slave_detach(self, bond, timeout, count, step=1):
+ while 1:
+ intfs = self.vapi.sw_interface_bond_dump()
+ for intf in intfs:
+ if (bond.sw_if_index == intf.sw_if_index):
+ if ((intf.slaves == count) and
+ (intf.active_slaves == count)):
+ return 1
+ else:
+ self.sleep(1)
+ timeout -= step
+ if (timeouut <= 0):
+ return 0
+
+ def test_lacp_connect(self):
+ """ LACP protocol connect test """
+
+ # topology
+ #
+ # +-+ +-+
+ # memif1 -----|B| |B|---- memif11
+ # |o| |o|
+ # |n|------|n|
+ # |d| |d|
+ # memif2 -----|0| |1|---- memif12
+ # +-+ +-+
+
+ socket1 = VppSocketFilename(
+ self,
+ socket_id=1,
+ socket_filename="%s/memif.sock1" % self.tempdir)
+ socket1.add_vpp_config()
+
+ socket11 = VppSocketFilename(
+ self,
+ socket_id=2,
+ socket_filename="%s/memif.sock1" % self.tempdir)
+ socket11.add_vpp_config()
+
+ socket2 = VppSocketFilename(
+ self,
+ socket_id=3,
+ socket_filename="%s/memif.sock2" % self.tempdir)
+ socket2.add_vpp_config()
+
+ socket22 = VppSocketFilename(
+ self,
+ socket_id=4,
+ socket_filename="%s/memif.sock2" % self.tempdir)
+ socket22.add_vpp_config()
+
+ memif1 = VppMemif(
+ self,
+ role=VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER,
+ mode=VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET,
+ socket_id=1)
+ memif1.add_vpp_config()
+ memif1.admin_up()
+
+ memif11 = VppMemif(
+ self,
+ role=VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE,
+ mode=VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET,
+ socket_id=2)
+ memif11.add_vpp_config()
+ memif11.admin_up()
+
+ memif2 = VppMemif(
+ self,
+ role=VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_MASTER,
+ mode=VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET,
+ socket_id=3)
+ memif2.add_vpp_config()
+ memif2.admin_up()
+
+ memif12 = VppMemif(
+ self,
+ role=VppEnum.vl_api_memif_role_t.MEMIF_ROLE_API_SLAVE,
+ mode=VppEnum.vl_api_memif_mode_t.MEMIF_MODE_API_ETHERNET,
+ socket_id=4)
+ memif12.add_vpp_config()
+ memif12.admin_up()
+
+ self.logger.info(self.vapi.ppcli("debug lacp on"))
+ bond0 = VppBondInterface(
+ self,
+ mode=VppEnum.vl_api_bond_mode_t.BOND_API_MODE_LACP,
+ use_custom_mac=1,
+ mac_address=bond_mac)
+
+ bond0.add_vpp_config()
+ bond0.admin_up()
+
+ bond1 = VppBondInterface(
+ self,
+ mode=VppEnum.vl_api_bond_mode_t.BOND_API_MODE_LACP)
+ bond1.add_vpp_config()
+ bond1.admin_up()
+
+ # enslave memif1 and memif2 to bond0
+ bond0.enslave_vpp_bond_interface(sw_if_index=memif1.sw_if_index)
+ bond0.enslave_vpp_bond_interface(sw_if_index=memif2.sw_if_index)
+
+ # enslave memif11 and memif12 to bond1
+ bond1.enslave_vpp_bond_interface(sw_if_index=memif11.sw_if_index)
+ bond1.enslave_vpp_bond_interface(sw_if_index=memif12.sw_if_index)
+
+ # wait for memif protocol exchange and hardware carrier to come up
+ self.assertEqual(memif1.wait_for_link_up(10), True)
+ self.assertEqual(memif2.wait_for_link_up(10), True)
+ self.assertEqual(memif11.wait_for_link_up(10), True)
+ self.assertEqual(memif12.wait_for_link_up(10), True)
+
+ # verify memif1 and memif2 in bond0
+ intfs = self.vapi.sw_interface_slave_dump(
+ sw_if_index=bond0.sw_if_index)
+ for intf in intfs:
+ self.assertIn(
+ intf.sw_if_index, (memif1.sw_if_index, memif2.sw_if_index))
+
+ # verify memif11 and memif12 in bond1
+ intfs = self.vapi.sw_interface_slave_dump(
+ sw_if_index=bond1.sw_if_index)
+ for intf in intfs:
+ self.assertIn(
+ intf.sw_if_index, (memif11.sw_if_index, memif12.sw_if_index))
+ self.assertEqual(intf.is_long_timeout, 0)
+ self.assertEqual(intf.is_passive, 0)
+
+ # Let LACP create the bundle
+ self.wait_for_lacp_connect(30)
+
+ intfs = self.vapi.sw_interface_lacp_dump()
+ for intf in intfs:
+ self.assertEqual(
+ intf.actor_state, LACP_COLLECTION_AND_DISTRIBUTION_STATE)
+ self.assertEqual(
+ intf.partner_state, LACP_COLLECTION_AND_DISTRIBUTION_STATE)
+
+ intfs = self.vapi.sw_interface_bond_dump()
+ for intf in intfs:
+ self.assertEqual(intf.slaves, 2)
+ self.assertEqual(intf.active_slaves, 2)
+ self.assertEqual(
+ intf.mode, VppEnum.vl_api_bond_mode_t.BOND_API_MODE_LACP)
+
+ self.logger.info(self.vapi.ppcli("show lacp"))
+ self.logger.info(self.vapi.ppcli("show lacp details"))
+
+ # detach slave memif1
+ bond0.detach_vpp_bond_interface(sw_if_index=memif1.sw_if_index)
+
+ self.wait_for_slave_detach(bond0, timeout=10, count=1)
+ intfs = self.vapi.sw_interface_bond_dump()
+ for intf in intfs:
+ if (bond0.sw_if_index == intf.sw_if_index):
+ self.assertEqual(intf.slaves, 1)
+ self.assertEqual(intf.active_slaves, 1)
+ self.assertEqual(
+ intf.mode, VppEnum.vl_api_bond_mode_t.BOND_API_MODE_LACP)
+
+ # detach slave memif2
+ bond0.detach_vpp_bond_interface(sw_if_index=memif2.sw_if_index)
+ self.wait_for_slave_detach(bond0, timeout=10, count=0)
+
+ intfs = self.vapi.sw_interface_bond_dump()
+ for intf in intfs:
+ if (bond0.sw_if_index == intf.sw_if_index):
+ self.assertEqual(intf.slaves, 0)
+ self.assertEqual(intf.active_slaves, 0)
+
+ bond0.remove_vpp_config()
+ bond1.remove_vpp_config()
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)