| #!/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) |