--- /dev/null
+#!/usr/bin/env python3
+
+import socket
+import unittest
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, UDP
+
+from framework import VppTestCase, VppTestRunner
+from vpp_bond_interface import VppBondInterface
+from vpp_papi import MACAddress, VppEnum
+
+
+class TestBondInterface(VppTestCase):
+ """Bond Test Case
+
+ """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestBondInterface, cls).setUpClass()
+ # Test variables
+ cls.pkts_per_burst = 257 # Number of packets per burst
+ # create 3 pg interfaces
+ cls.create_pg_interfaces(range(4))
+
+ # 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(TestBondInterface, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestBondInterface, self).setUp()
+
+ def tearDown(self):
+ super(TestBondInterface, self).tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.ppcli("show interface"))
+
+ def test_bond_traffic(self):
+ """ Bond traffic test """
+
+ # topology
+ #
+ # RX-> TX->
+ #
+ # pg2 ------+ +------pg0 (member)
+ # | |
+ # BondEthernet0 (10.10.10.1)
+ # | |
+ # pg3 ------+ +------pg1 (memberx)
+ #
+
+ # create interface (BondEthernet0)
+ # self.logger.info("create bond")
+ bond0_mac = "02:fe:38:30:59:3c"
+ mac = MACAddress(bond0_mac).packed
+ bond0 = VppBondInterface(
+ self,
+ mode=VppEnum.vl_api_bond_mode_t.BOND_API_MODE_XOR,
+ lb=VppEnum.vl_api_bond_lb_algo_t.BOND_API_LB_ALGO_L34,
+ numa_only=0,
+ use_custom_mac=1,
+ mac_address=mac)
+ bond0.add_vpp_config()
+ bond0.admin_up()
+ self.vapi.sw_interface_add_del_address(
+ sw_if_index=bond0.sw_if_index,
+ prefix="10.10.10.1/24")
+
+ self.pg2.config_ip4()
+ self.pg2.resolve_arp()
+ self.pg3.config_ip4()
+ self.pg3.resolve_arp()
+
+ self.logger.info(self.vapi.cli("show interface"))
+ self.logger.info(self.vapi.cli("show interface address"))
+ self.logger.info(self.vapi.cli("show ip neighbors"))
+
+ # add member pg0 and pg1 to BondEthernet0
+ self.logger.info("bond add member interface pg0 to BondEthernet0")
+ bond0.add_member_vpp_bond_interface(sw_if_index=self.pg0.sw_if_index)
+ self.logger.info("bond add_member interface pg1 to BondEthernet0")
+ bond0.add_member_vpp_bond_interface(sw_if_index=self.pg1.sw_if_index)
+
+ # verify both members in BondEthernet0
+ if_dump = self.vapi.sw_member_interface_dump(bond0.sw_if_index)
+ self.assertTrue(self.pg0.is_interface_config_in_dump(if_dump))
+ self.assertTrue(self.pg1.is_interface_config_in_dump(if_dump))
+
+ # generate a packet from pg2 -> BondEthernet0 -> pg1
+ # BondEthernet0 TX hashes this packet to pg1
+ p2 = (Ether(src=bond0_mac, dst=self.pg2.local_mac) /
+ IP(src=self.pg2.local_ip4, dst="10.10.10.12") /
+ UDP(sport=1235, dport=1235) /
+ Raw(b'\xa5' * 100))
+ self.pg2.add_stream(p2)
+
+ # generate a packet from pg3 -> BondEthernet0 -> pg0
+ # BondEthernet0 TX hashes this packet to pg0
+ # notice the ip address and ports are different than p2 packet
+ p3 = (Ether(src=bond0_mac, dst=self.pg3.local_mac) /
+ IP(src=self.pg3.local_ip4, dst="10.10.10.11") /
+ UDP(sport=1234, dport=1234) /
+ Raw(b'\xa5' * 100))
+ self.pg3.add_stream(p3)
+
+ self.pg_enable_capture(self.pg_interfaces)
+
+ # set up the static arp entries pointing to the BondEthernet0 interface
+ # so that it does not try to resolve the ip address
+ self.logger.info(self.vapi.cli(
+ "set ip neighbor static BondEthernet0 10.10.10.12 abcd.abcd.0002"))
+ self.logger.info(self.vapi.cli(
+ "set ip neighbor static BondEthernet0 10.10.10.11 abcd.abcd.0004"))
+
+ # clear the interface counters
+ self.logger.info(self.vapi.cli("clear interfaces"))
+
+ self.pg_start()
+
+ self.logger.info("check the interface counters")
+
+ # verify counters
+
+ # BondEthernet0 tx bytes = 284
+ intfs = self.vapi.cli("show interface BondEthernet0").split("\n")
+ found = 0
+ for intf in intfs:
+ if "tx bytes" in intf and "284" in intf:
+ found = 1
+ self.assertEqual(found, 1)
+
+ # BondEthernet0 tx bytes = 284
+ intfs = self.vapi.cli("show interface BondEthernet0").split("\n")
+ found = 0
+ for intf in intfs:
+ if "tx bytes" in intf and "284" in intf:
+ found = 1
+ self.assertEqual(found, 1)
+
+ # pg2 rx bytes = 142
+ intfs = self.vapi.cli("show interface pg2").split("\n")
+ found = 0
+ for intf in intfs:
+ if "rx bytes" in intf and "142" in intf:
+ found = 1
+ self.assertEqual(found, 1)
+
+ # pg3 rx bytes = 142
+ intfs = self.vapi.cli("show interface pg3").split("\n")
+ found = 0
+ for intf in intfs:
+ if "rx bytes" in intf and "142" in intf:
+ found = 1
+ self.assertEqual(found, 1)
+
+ bond0.remove_vpp_config()
+
+ def test_bond_add_member(self):
+ """ Bond add_member/detach member test """
+
+ # create interface (BondEthernet0) and set bond mode to LACP
+ self.logger.info("create bond")
+ bond0 = VppBondInterface(
+ self,
+ mode=VppEnum.vl_api_bond_mode_t.BOND_API_MODE_LACP,
+ enable_gso=0)
+ bond0.add_vpp_config()
+ bond0.admin_up()
+
+ # verify that interfaces can be added as_member and detached two times
+ for i in range(2):
+ # verify pg0 and pg1 not in BondEthernet0
+ if_dump = self.vapi.sw_member_interface_dump(bond0.sw_if_index)
+ self.assertFalse(self.pg0.is_interface_config_in_dump(if_dump))
+ self.assertFalse(self.pg1.is_interface_config_in_dump(if_dump))
+
+ # add_member pg0 and pg1 to BondEthernet0
+ self.logger.info("bond add_member interface pg0 to BondEthernet0")
+ bond0.add_member_vpp_bond_interface(
+ sw_if_index=self.pg0.sw_if_index,
+ is_passive=0,
+ is_long_timeout=0)
+
+ self.logger.info("bond add_member interface pg1 to BondEthernet0")
+ bond0.add_member_vpp_bond_interface(
+ sw_if_index=self.pg1.sw_if_index,
+ is_passive=0,
+ is_long_timeout=0)
+ # verify both members in BondEthernet0
+ if_dump = self.vapi.sw_member_interface_dump(bond0.sw_if_index)
+ self.assertTrue(self.pg0.is_interface_config_in_dump(if_dump))
+ self.assertTrue(self.pg1.is_interface_config_in_dump(if_dump))
+
+ # detach interface pg0
+ self.logger.info("detach interface pg0")
+ bond0.detach_vpp_bond_interface(sw_if_index=self.pg0.sw_if_index)
+
+ # verify pg0 is not in BondEthernet0, but pg1 is
+ if_dump = self.vapi.sw_member_interface_dump(bond0.sw_if_index)
+ self.assertFalse(self.pg0.is_interface_config_in_dump(if_dump))
+ self.assertTrue(self.pg1.is_interface_config_in_dump(if_dump))
+
+ # detach interface pg1
+ self.logger.info("detach interface pg1")
+ bond0.detach_vpp_bond_interface(sw_if_index=self.pg1.sw_if_index)
+
+ # verify pg0 and pg1 not in BondEthernet0
+ if_dump = self.vapi.sw_member_interface_dump(bond0.sw_if_index)
+ self.assertFalse(self.pg0.is_interface_config_in_dump(if_dump))
+ self.assertFalse(self.pg1.is_interface_config_in_dump(if_dump))
+
+ bond0.remove_vpp_config()
+
+ def test_bond(self):
+ """ Bond add/delete interface test """
+ self.logger.info("Bond add interfaces")
+
+ # create interface 1 (BondEthernet0)
+ bond0 = VppBondInterface(
+ self, mode=VppEnum.vl_api_bond_mode_t.BOND_API_MODE_LACP)
+ bond0.add_vpp_config()
+ bond0.admin_up()
+
+ # create interface 2 (BondEthernet1)
+ bond1 = VppBondInterface(
+ self, mode=VppEnum.vl_api_bond_mode_t.BOND_API_MODE_XOR)
+ bond1.add_vpp_config()
+ bond1.admin_up()
+
+ # verify both interfaces in the show
+ ifs = self.vapi.cli("show interface")
+ self.assertIn('BondEthernet0', ifs)
+ self.assertIn('BondEthernet1', ifs)
+
+ # verify they are in the dump also
+ if_dump = self.vapi.sw_bond_interface_dump(sw_if_index=0xFFFFFFFF)
+ self.assertTrue(bond0.is_interface_config_in_dump(if_dump))
+ self.assertTrue(bond1.is_interface_config_in_dump(if_dump))
+
+ # delete BondEthernet1
+ self.logger.info("Deleting BondEthernet1")
+ bond1.remove_vpp_config()
+
+ self.logger.info("Verifying BondEthernet1 is deleted")
+
+ ifs = self.vapi.cli("show interface")
+ # verify BondEthernet0 still in the show
+ self.assertIn('BondEthernet0', ifs)
+
+ # verify BondEthernet1 not in the show
+ self.assertNotIn('BondEthernet1', ifs)
+
+ # verify BondEthernet1 is not in the dump
+ if_dump = self.vapi.sw_bond_interface_dump(sw_if_index=0xFFFFFFFF)
+ self.assertFalse(bond1.is_interface_config_in_dump(if_dump))
+
+ # verify BondEthernet0 is still in the dump
+ self.assertTrue(bond0.is_interface_config_in_dump(if_dump))
+
+ # delete BondEthernet0
+ self.logger.info("Deleting BondEthernet0")
+ bond0.remove_vpp_config()
+
+ self.logger.info("Verifying BondEthernet0 is deleted")
+
+ # verify BondEthernet0 not in the show
+ ifs = self.vapi.cli("show interface")
+ self.assertNotIn('BondEthernet0', ifs)
+
+ # verify BondEthernet0 is not in the dump
+ if_dump = self.vapi.sw_bond_interface_dump(
+ sw_if_index=bond0.sw_if_index)
+ self.assertFalse(bond0.is_interface_config_in_dump(if_dump))
+
+ def test_bond_link(self):
+ """ Bond hw interface link state test """
+
+ # for convenience
+ bond_modes = VppEnum.vl_api_bond_mode_t
+ intf_flags = VppEnum.vl_api_if_status_flags_t
+
+ # create interface 1 (BondEthernet0)
+ self.logger.info("Create bond interface")
+ # use round-robin mode to avoid negotiation required by LACP
+ bond0 = VppBondInterface(self,
+ mode=bond_modes.BOND_API_MODE_ROUND_ROBIN)
+ bond0.add_vpp_config()
+
+ # set bond admin up.
+ self.logger.info("set interface BondEthernet0 admin up")
+ bond0.admin_up()
+ # confirm link up
+ bond0.assert_interface_state(intf_flags.IF_STATUS_API_FLAG_ADMIN_UP,
+ intf_flags.IF_STATUS_API_FLAG_LINK_UP)
+
+ # toggle bond admin state
+ self.logger.info("toggle interface BondEthernet0")
+ bond0.admin_down()
+ bond0.admin_up()
+
+ # confirm link is still up
+ bond0.assert_interface_state(intf_flags.IF_STATUS_API_FLAG_ADMIN_UP,
+ intf_flags.IF_STATUS_API_FLAG_LINK_UP)
+
+ # delete BondEthernet0
+ self.logger.info("Deleting BondEthernet0")
+ bond0.remove_vpp_config()
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff