From 0215ef1010fbe41a72d57e7cddc4fb18dc3d53d2 Mon Sep 17 00:00:00 2001 From: Naveen Joy Date: Wed, 31 Jan 2024 08:46:18 -0800 Subject: tests: refactor virtual interface tests Split virtual interface tests in VPP into smaller and modular tests for testing various interface types and features. Type: test Change-Id: Ic38af88379f75eee3090679d411edbdc8fd5d2e5 Signed-off-by: Naveen Joy --- test/test_vm_af_packet_gso_l2.py | 38 ++ test/test_vm_af_packet_gso_l3.py | 38 ++ test/test_vm_af_packet_l2.py | 38 ++ test/test_vm_af_packet_l3.py | 38 ++ test/test_vm_af_packet_tap_gso_l2.py | 38 ++ test/test_vm_af_packet_tun_gro_l3.py | 38 ++ test/test_vm_af_packet_tun_gso_l3.py | 38 ++ test/test_vm_memif_l2.py | 38 ++ test/test_vm_tap_checksum_offload_l2.py | 38 ++ test/test_vm_tap_checksum_offload_l3.py | 38 ++ test/test_vm_tap_gro_l2.py | 38 ++ test/test_vm_tap_gso_gro_l2.py | 38 ++ test/test_vm_tap_gso_l2.py | 38 ++ test/test_vm_tap_l2.py | 38 ++ test/test_vm_tap_tun_gro_l3.py | 38 ++ test/test_vm_vpp_interfaces.py | 681 ------------------------------ test/vm_vpp_interfaces.py | 724 ++++++++++++++++++++++++++++++++ test/vpp_iperf.py | 39 +- 18 files changed, 1317 insertions(+), 697 deletions(-) create mode 100644 test/test_vm_af_packet_gso_l2.py create mode 100644 test/test_vm_af_packet_gso_l3.py create mode 100644 test/test_vm_af_packet_l2.py create mode 100644 test/test_vm_af_packet_l3.py create mode 100644 test/test_vm_af_packet_tap_gso_l2.py create mode 100644 test/test_vm_af_packet_tun_gro_l3.py create mode 100644 test/test_vm_af_packet_tun_gso_l3.py create mode 100644 test/test_vm_memif_l2.py create mode 100644 test/test_vm_tap_checksum_offload_l2.py create mode 100644 test/test_vm_tap_checksum_offload_l3.py create mode 100644 test/test_vm_tap_gro_l2.py create mode 100644 test/test_vm_tap_gso_gro_l2.py create mode 100644 test/test_vm_tap_gso_l2.py create mode 100644 test/test_vm_tap_l2.py create mode 100644 test/test_vm_tap_tun_gro_l3.py delete mode 100644 test/test_vm_vpp_interfaces.py create mode 100644 test/vm_vpp_interfaces.py diff --git a/test/test_vm_af_packet_gso_l2.py b/test/test_vm_af_packet_gso_l2.py new file mode 100644 index 00000000000..242bbcc6064 --- /dev/null +++ b/test/test_vm_af_packet_gso_l2.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuAfPacketGsoL2(TestVPPInterfacesQemu, VppTestCase): + """Test af_packet interfaces with GSO in L2 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "14,16,22,23" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuAfPacketGsoL2, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuAfPacketGsoL2, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuAfPacketGsoL2, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuAfPacketGsoL2.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuAfPacketGsoL2) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_af_packet_gso_l3.py b/test/test_vm_af_packet_gso_l3.py new file mode 100644 index 00000000000..210b41acfe7 --- /dev/null +++ b/test/test_vm_af_packet_gso_l3.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuAfPacketGsoL3(TestVPPInterfacesQemu, VppTestCase): + """Test af_packet interfaces with GSO in L3 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "15,19" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuAfPacketGsoL3, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuAfPacketGsoL3, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuAfPacketGsoL3, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuAfPacketGsoL3.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuAfPacketGsoL3) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_af_packet_l2.py b/test/test_vm_af_packet_l2.py new file mode 100644 index 00000000000..3c48f50cff5 --- /dev/null +++ b/test/test_vm_af_packet_l2.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuAfPacketL2(TestVPPInterfacesQemu, VppTestCase): + """Test af_packet interfaces in L2 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "12,20" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuAfPacketL2, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuAfPacketL2, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuAfPacketL2, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuAfPacketL2.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuAfPacketL2) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_af_packet_l3.py b/test/test_vm_af_packet_l3.py new file mode 100644 index 00000000000..0e3d4c535f4 --- /dev/null +++ b/test/test_vm_af_packet_l3.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuAfpacketL3(TestVPPInterfacesQemu, VppTestCase): + """Test af_packet interfaces in L3 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "13" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuAfpacketL3, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuAfpacketL3, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuAfpacketL3, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuAfpacketL3.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuAfpacketL3) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_af_packet_tap_gso_l2.py b/test/test_vm_af_packet_tap_gso_l2.py new file mode 100644 index 00000000000..1e8c0e18ca4 --- /dev/null +++ b/test/test_vm_af_packet_tap_gso_l2.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuAfPacketTapGsoL2(TestVPPInterfacesQemu, VppTestCase): + """Test af_packet & tap interfaces with GSO in L2 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "17" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuAfPacketTapGsoL2, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuAfPacketTapGsoL2, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuAfPacketTapGsoL2, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuAfPacketTapGsoL2.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuAfPacketTapGsoL2) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_af_packet_tun_gro_l3.py b/test/test_vm_af_packet_tun_gro_l3.py new file mode 100644 index 00000000000..6b3507152bd --- /dev/null +++ b/test/test_vm_af_packet_tun_gro_l3.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuAfPacketTunGroL3(TestVPPInterfacesQemu, VppTestCase): + """Test af_packet & tun interfaces with GRO in L3 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "21" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuAfPacketTunGroL3, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuAfPacketTunGroL3, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuAfPacketTunGroL3, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuAfPacketTunGroL3.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuAfPacketTunGroL3) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_af_packet_tun_gso_l3.py b/test/test_vm_af_packet_tun_gso_l3.py new file mode 100644 index 00000000000..5dfce07e64a --- /dev/null +++ b/test/test_vm_af_packet_tun_gso_l3.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuAfPacketTunGsoL3(TestVPPInterfacesQemu, VppTestCase): + """Test af_packet & tun interfaces with GSO in L3 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "18" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuAfPacketTunGsoL3, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuAfPacketTunGsoL3, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuAfPacketTunGsoL3, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuAfPacketTunGsoL3.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuAfPacketTunGsoL3) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_memif_l2.py b/test/test_vm_memif_l2.py new file mode 100644 index 00000000000..53fc720886a --- /dev/null +++ b/test/test_vm_memif_l2.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuMemifL2(TestVPPInterfacesQemu, VppTestCase): + """Test Memif interfaces in L2 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "27" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuMemifL2, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuMemifL2, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuMemifL2, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuMemifL2.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuMemifL2) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_tap_checksum_offload_l2.py b/test/test_vm_tap_checksum_offload_l2.py new file mode 100644 index 00000000000..5adf3ea3256 --- /dev/null +++ b/test/test_vm_tap_checksum_offload_l2.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuTapChecksumOffloadL2(TestVPPInterfacesQemu, VppTestCase): + """Test tap interfaces in L2 mode with checksum offload for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "24" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuTapChecksumOffloadL2, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuTapChecksumOffloadL2, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuTapChecksumOffloadL2, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuTapChecksumOffloadL2.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuTapChecksumOffloadL2) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_tap_checksum_offload_l3.py b/test/test_vm_tap_checksum_offload_l3.py new file mode 100644 index 00000000000..90619381197 --- /dev/null +++ b/test/test_vm_tap_checksum_offload_l3.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuTapChecksumOffloadL3(TestVPPInterfacesQemu, VppTestCase): + """Test tap interfaces in L3 mode with checksum offload for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "25,26" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuTapChecksumOffloadL3, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuTapChecksumOffloadL3, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuTapChecksumOffloadL3, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuTapChecksumOffloadL3.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuTapChecksumOffloadL3) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_tap_gro_l2.py b/test/test_vm_tap_gro_l2.py new file mode 100644 index 00000000000..16247693405 --- /dev/null +++ b/test/test_vm_tap_gro_l2.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuTapGroL2(TestVPPInterfacesQemu, VppTestCase): + """Test tap interfaces with GRO in L2 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "4,5,9" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuTapGroL2, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuTapGroL2, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuTapGroL2, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuTapGroL2.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuTapGroL2) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_tap_gso_gro_l2.py b/test/test_vm_tap_gso_gro_l2.py new file mode 100644 index 00000000000..69f50cee66a --- /dev/null +++ b/test/test_vm_tap_gso_gro_l2.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuTapGsoGroL2(TestVPPInterfacesQemu, VppTestCase): + """Test tap interfaces with GSO & GRO in L2 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "6,7" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuTapGsoGroL2, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuTapGsoGroL2, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuTapGsoGroL2, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuTapGsoGroL2.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuTapGsoGroL2) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_tap_gso_l2.py b/test/test_vm_tap_gso_l2.py new file mode 100644 index 00000000000..2a39bef99dc --- /dev/null +++ b/test/test_vm_tap_gso_l2.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuTapGsoL2(TestVPPInterfacesQemu, VppTestCase): + """Test tap interfaces with GSO in L2 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "2,3,8" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuTapGsoL2, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuTapGsoL2, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuTapGsoL2, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuTapGsoL2.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuTapGsoL2) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_tap_l2.py b/test/test_vm_tap_l2.py new file mode 100644 index 00000000000..92ec02024cf --- /dev/null +++ b/test/test_vm_tap_l2.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuTapL2(TestVPPInterfacesQemu, VppTestCase): + """Test VPP tap interfaces in L2 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "1" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuTapL2, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuTapL2, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuTapL2, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuTapL2.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuTapL2) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_tap_tun_gro_l3.py b/test/test_vm_tap_tun_gro_l3.py new file mode 100644 index 00000000000..2bf56dfa76c --- /dev/null +++ b/test/test_vm_tap_tun_gro_l3.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + +import unittest +from framework import VppTestCase +from vm_vpp_interfaces import ( + TestSelector, + TestVPPInterfacesQemu, + generate_vpp_interface_tests, +) +from asfframework import VppTestRunner +from vm_test_config import test_config + + +class TestVPPInterfacesQemuTapTunGroL3(TestVPPInterfacesQemu, VppTestCase): + """Test tap & tun interfaces with GRO in L3 mode for IPv4/v6.""" + + # Set test_id(s) to run from vm_test_config + # The expansion of these numbers are included in the test docstring + tests_to_run = "10,11" + + @classmethod + def setUpClass(cls): + super(TestVPPInterfacesQemuTapTunGroL3, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestVPPInterfacesQemuTapTunGroL3, cls).tearDownClass() + + def tearDown(self): + super(TestVPPInterfacesQemuTapTunGroL3, self).tearDown() + + +SELECTED_TESTS = TestVPPInterfacesQemuTapTunGroL3.tests_to_run +tests = filter(TestSelector(SELECTED_TESTS).filter_tests, test_config["tests"]) +generate_vpp_interface_tests(tests, TestVPPInterfacesQemuTapTunGroL3) + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/test_vm_vpp_interfaces.py b/test/test_vm_vpp_interfaces.py deleted file mode 100644 index 0c90325e35a..00000000000 --- a/test/test_vm_vpp_interfaces.py +++ /dev/null @@ -1,681 +0,0 @@ -#!/usr/bin/env python3 -import unittest -from ipaddress import ip_address, ip_interface -from vpp_qemu_utils import ( - create_namespace, - delete_namespace, - create_host_interface, - delete_host_interfaces, - set_interface_mtu, - disable_interface_gso, - add_namespace_route, - libmemif_test_app, -) -from vpp_iperf import start_iperf, stop_iperf -from framework import VppTestCase -from asfframework import VppTestRunner, tag_fixme_debian11, is_distro_debian11 -from config import config -from vpp_papi import VppEnum -import time -import sys -from vm_test_config import test_config - -# -# Tests for: -# - tapv2, tunv2, af_packet_v2/v3 & memif interfaces. -# - reads test config from the file vm_test_config.py -# - Uses iPerf to send TCP/IP streams to VPP -# - VPP ingress interface runs the iperf client -# - VPP egress interface runs the iperf server -# - Runs tests specified in the vm_test_config module and verifies that: -# - TCP over IPv4 and IPv6 is enabled correctly for Bridged and Routed topologies. -# sending jumbo frames (9000/9001 MTUs) with GSO/GRO is enabled correctly. -# sending VPP buffer-sized frames(2048 MTU) with GSO/GRO is enabled correctly. -# sending standard frames (1500 MTU) with GSO/GRO is enabled correctly. -# sending smaller frames (512 MTU) with GSO/GRO is enabled correctly for IPv4 -# sending odd sized frames (9001, 2049 MTU) with GSO/GRO is enabled correctly. -# - - -def filter_tests(test): - """Filter test IDs to include only those selected to run.""" - selection = test_config["tests_to_run"] - if not selection or selection == " ": - return True - else: - test_ids_to_run = [] - for test_id in selection.split(","): - if "-" in test_id.strip(): - start, end = map(int, test_id.split("-")) - test_ids_to_run.extend(list(range(start, end + 1))) - elif test_id.strip(): - test_ids_to_run.append(int(test_id)) - return test["id"] in test_ids_to_run - - -# Test Config variables -client_namespace = test_config["client_namespace"] -server_namespace = test_config["server_namespace"] -tests = filter(filter_tests, test_config["tests"]) -af_packet_config = test_config["af_packet"] -layer2 = test_config["L2"] -layer3 = test_config["L3"] - - -def create_test(test_name, test, ip_version, mtu): - """Create and return a unittest method for a test.""" - - @unittest.skipIf( - is_distro_debian11, "FIXME intermittent test failures on debian11 distro" - ) - @unittest.skipIf( - config.skip_netns_tests, "netns not available or disabled from cli" - ) - def test_func(self): - self.logger.debug(f"Starting unittest:{test_name}") - self.setUpTestToplogy(test=test, ip_version=ip_version) - result = self.set_interfaces_mtu( - mtu=mtu, - ip_version=ip_version, - vpp_interfaces=self.vpp_interfaces, - linux_interfaces=self.linux_interfaces, - ) - if "memif" in self.if_types: - self.logger.debug("Starting libmemif test_app for memif test") - self.memif_process = libmemif_test_app( - memif_sock_path=self.get_memif_sock_path(), logger=self.logger - ) - if result is True: - start_iperf(ip_version=6, server_only=True, logger=self.logger) - self.assertTrue( - start_iperf( - ip_version=ip_version, - server_ipv4_address=self.server_ip4_address, - server_ipv6_address=self.server_ip6_address, - client_only=True, - duration=2, - logger=self.logger, - ) - ) - else: - print( - f"Skipping test:{test_name} as mtu:{mtu} is " - f"invalid for TCP/IPv{ip_version}" - ) - - test_func.__name__ = test_name - return test_func - - -def generate_vpp_interface_tests(): - """Generate unittests for testing vpp interfaces.""" - if config.skip_netns_tests: - print("Skipping netns tests") - for test in tests: - for ip_version in test_config["ip_versions"]: - for mtu in test_config["mtus"]: - test_name = ( - f"test_id_{test['id']}_" - + f"client_{test['client_if_type']}" - + f"_v{test['client_if_version']}_" - + f"gso_{test.get('client_if_gso', 0)}_" - + f"gro_{test.get('client_if_gro', 0)}_" - + f"checksum_{test.get('client_if_checksum_offload', 0)}_" - + f"to_server_{test['server_if_type']}" - + f"_v{test['server_if_version']}_" - + f"gso_{test.get('server_if_gso', 0)}_" - + f"gro_{test.get('server_if_gro', 0)}_" - + f"checksum_{test.get('server_if_checksum_offload', 0)}_" - + f"mtu_{mtu}_mode_{test['x_connect_mode']}_" - + f"tcp_ipv{ip_version}" - ) - test_func = create_test( - test_name=test_name, test=test, ip_version=ip_version, mtu=mtu - ) - setattr(TestVPPInterfacesQemu, test_name, test_func) - - -@tag_fixme_debian11 -class TestVPPInterfacesQemu(VppTestCase): - """Test VPP interfaces inside a QEMU VM for IPv4/v6. - - Test Setup: - Linux_ns1--iperfClient--host-int1--vpp-af_packet-int1--VPP-BD - --vppaf_packet_int2--host-int2--iperfServer--Linux_ns2 - """ - - @classmethod - def setUpClass(cls): - super(TestVPPInterfacesQemu, cls).setUpClass() - - @classmethod - def tearDownClass(cls): - super(TestVPPInterfacesQemu, cls).tearDownClass() - - def setUpTestToplogy(self, test, ip_version): - """Setup the test topology. - - 1. Create Linux Namespaces for iPerf Client & Server. - 2. Create VPP iPerf client and server virtual interfaces. - 3. Enable desired vif features such as GSO & GRO. - 3. Cross-Connect interfaces in VPP using L2 or L3. - """ - super(TestVPPInterfacesQemu, self).setUp() - # Need to support multiple interface types as the memif interface - # in VPP is connected to the iPerf client & server by x-connecting - # to a tap interface in their respective namespaces. - client_if_types = test["client_if_type"].split(",") - server_if_types = test["server_if_type"].split(",") - client_if_version = test["client_if_version"] - server_if_version = test["server_if_version"] - x_connect_mode = test["x_connect_mode"] - # server ip4/ip6 addresses required by iperf client - server_ip4_prefix = ( - layer2["server_ip4_prefix"] - if x_connect_mode == "L2" - else layer3["server_ip4_prefix"] - ) - server_ip6_prefix = ( - layer2["server_ip6_prefix"] - if x_connect_mode == "L2" - else layer3["server_ip6_prefix"] - ) - self.server_ip4_address = str(ip_interface(server_ip4_prefix).ip) - self.server_ip6_address = str(ip_interface(server_ip6_prefix).ip) - # next-hop IP address on VPP for routing from client & server namespaces - vpp_client_prefix = ( - layer3["vpp_client_ip4_prefix"] - if ip_version == 4 - else layer3["vpp_client_ip6_prefix"] - ) - vpp_client_nexthop = str(ip_interface(vpp_client_prefix).ip) - vpp_server_prefix = ( - layer3["vpp_server_ip4_prefix"] - if ip_version == 4 - else layer3["vpp_server_ip6_prefix"] - ) - vpp_server_nexthop = str(ip_interface(vpp_server_prefix).ip) - create_namespace([client_namespace, server_namespace]) - # IPerf client & server ingress/egress interface indexes in VPP - self.tap_interfaces = [] - self.memif_interfaces = [] - self.ingress_if_idxes = [] - self.egress_if_idxes = [] - self.vpp_interfaces = [] - self.linux_interfaces = [] - enable_client_if_gso = test.get("client_if_gso", 0) - enable_server_if_gso = test.get("server_if_gso", 0) - enable_client_if_gro = test.get("client_if_gro", 0) - enable_server_if_gro = test.get("server_if_gro", 0) - enable_client_if_checksum_offload = test.get("client_if_checksum_offload", 0) - enable_server_if_checksum_offload = test.get("server_if_checksum_offload", 0) - ## Handle client interface types - for client_if_type in client_if_types: - if client_if_type == "af_packet": - create_host_interface( - af_packet_config["iprf_client_interface_on_linux"], - af_packet_config["iprf_client_interface_on_vpp"], - client_namespace, - layer2["client_ip4_prefix"] - if x_connect_mode == "L2" - else layer3["client_ip4_prefix"], - layer2["client_ip6_prefix"] - if x_connect_mode == "L2" - else layer3["client_ip6_prefix"], - ) - self.ingress_if_idx = self.create_af_packet( - version=client_if_version, - host_if_name=af_packet_config["iprf_client_interface_on_vpp"], - enable_gso=enable_client_if_gso, - ) - self.ingress_if_idxes.append(self.ingress_if_idx) - self.vpp_interfaces.append(self.ingress_if_idx) - self.linux_interfaces.append( - ["", af_packet_config["iprf_client_interface_on_vpp"]] - ) - self.linux_interfaces.append( - [ - client_namespace, - af_packet_config["iprf_client_interface_on_linux"], - ] - ) - if enable_client_if_gso == 0: - disable_interface_gso( - "", af_packet_config["iprf_client_interface_on_vpp"] - ) - disable_interface_gso( - client_namespace, - af_packet_config["iprf_client_interface_on_linux"], - ) - elif client_if_type == "tap" or client_if_type == "tun": - self.ingress_if_idx = self.create_tap_tun( - id=101, - host_namespace=client_namespace, - ip_version=ip_version, - host_ip4_prefix=layer2["client_ip4_prefix"] - if x_connect_mode == "L2" - else layer3["client_ip4_prefix"], - host_ip6_prefix=layer2["client_ip6_prefix"] - if x_connect_mode == "L2" - else layer3["client_ip6_prefix"], - host_ip4_gw=vpp_client_nexthop - if x_connect_mode == "L3" and ip_version == 4 - else None, - host_ip6_gw=vpp_client_nexthop - if x_connect_mode == "L3" and ip_version == 6 - else None, - int_type=client_if_type, - host_if_name=f"{client_if_type}0", - enable_gso=enable_client_if_gso, - enable_gro=enable_client_if_gro, - enable_checksum_offload=enable_client_if_checksum_offload, - ) - self.tap_interfaces.append(self.ingress_if_idx) - self.ingress_if_idxes.append(self.ingress_if_idx) - self.vpp_interfaces.append(self.ingress_if_idx) - self.linux_interfaces.append([client_namespace, f"{client_if_type}0"]) - # Seeing TCP timeouts if tx=on & rx=on Linux tap & tun interfaces - disable_interface_gso(client_namespace, f"{client_if_type}0") - elif client_if_type == "memif": - self.ingress_if_idx = self.create_memif( - memif_id=0, mode=0 if x_connect_mode == "L2" else 1 - ) - self.memif_interfaces.append(self.ingress_if_idx) - self.ingress_if_idxes.append(self.ingress_if_idx) - self.vpp_interfaces.append(self.ingress_if_idx) - else: - print( - f"Unsupported client interface type: {client_if_type} " - f"for test - ID={test['id']}" - ) - sys.exit(1) - for server_if_type in server_if_types: - if server_if_type == "af_packet": - create_host_interface( - af_packet_config["iprf_server_interface_on_linux"], - af_packet_config["iprf_server_interface_on_vpp"], - server_namespace, - server_ip4_prefix, - server_ip6_prefix, - ) - self.egress_if_idx = self.create_af_packet( - version=server_if_version, - host_if_name=af_packet_config["iprf_server_interface_on_vpp"], - enable_gso=enable_server_if_gso, - ) - self.egress_if_idxes.append(self.egress_if_idx) - self.vpp_interfaces.append(self.egress_if_idx) - self.linux_interfaces.append( - ["", af_packet_config["iprf_server_interface_on_vpp"]] - ) - self.linux_interfaces.append( - [ - server_namespace, - af_packet_config["iprf_server_interface_on_linux"], - ] - ) - if enable_server_if_gso == 0: - disable_interface_gso( - "", af_packet_config["iprf_server_interface_on_vpp"] - ) - disable_interface_gso( - server_namespace, - af_packet_config["iprf_server_interface_on_linux"], - ) - elif server_if_type == "tap" or server_if_type == "tun": - self.egress_if_idx = self.create_tap_tun( - id=102, - host_namespace=server_namespace, - ip_version=ip_version, - host_ip4_prefix=layer2["server_ip4_prefix"] - if x_connect_mode == "L2" - else layer3["server_ip4_prefix"], - host_ip6_prefix=layer2["server_ip6_prefix"] - if x_connect_mode == "L2" - else layer3["server_ip6_prefix"], - int_type=server_if_type, - host_if_name=f"{server_if_type}0", - enable_gso=enable_server_if_gso, - enable_gro=enable_server_if_gro, - enable_checksum_offload=enable_server_if_checksum_offload, - ) - self.tap_interfaces.append(self.egress_if_idx) - self.egress_if_idxes.append(self.egress_if_idx) - self.vpp_interfaces.append(self.egress_if_idx) - self.linux_interfaces.append([server_namespace, f"{server_if_type}0"]) - # Seeing TCP timeouts if tx=on & rx=on Linux tap & tun interfaces - disable_interface_gso(server_namespace, f"{server_if_type}0") - elif server_if_type == "memif": - self.egress_if_idx = self.create_memif( - memif_id=1, mode=0 if x_connect_mode == "L2" else 1 - ) - self.memif_interfaces.append(self.egress_if_idx) - self.egress_if_idxes.append(self.egress_if_idx) - self.vpp_interfaces.append(self.egress_if_idx) - else: - print( - f"Unsupported server interface type: {server_if_type} " - f"for test - ID={test['id']}" - ) - sys.exit(1) - self.if_types = set(client_if_types).union(set(server_if_types)) - # for memif testing: tapv2, memif & libmemif_app are connected - if "memif" not in self.if_types: - if x_connect_mode == "L2": - self.l2_connect_interfaces(1, self.ingress_if_idx, self.egress_if_idx) - elif x_connect_mode == "L3": - # L3 connect client & server side - vrf_id = layer3["ip4_vrf"] if ip_version == 4 else layer3["ip6_vrf"] - self.l3_connect_interfaces( - ip_version, - vrf_id, - (self.ingress_if_idx, vpp_client_prefix), - (self.egress_if_idx, vpp_server_prefix), - ) - # Setup namespace routing - if ip_version == 4: - add_namespace_route( - client_namespace, "0.0.0.0/0", vpp_client_nexthop - ) - add_namespace_route( - server_namespace, "0.0.0.0/0", vpp_server_nexthop - ) - else: - add_namespace_route(client_namespace, "::/0", vpp_client_nexthop) - add_namespace_route(server_namespace, "::/0", vpp_server_nexthop) - else: - # connect: ingress tap & memif & egress tap and memif interfaces - if x_connect_mode == "L2": - self.l2_connect_interfaces(1, *self.ingress_if_idxes) - self.l2_connect_interfaces(2, *self.egress_if_idxes) - # Wait for Linux IPv6 stack to become ready - if ip_version == 6: - time.sleep(2) - - def tearDown(self): - try: - for interface_if_idx in self.tap_interfaces: - self.vapi.tap_delete_v2(sw_if_index=interface_if_idx) - except Exception: - pass - try: - for interface_if_idx in self.memif_interfaces: - self.vapi.memif_delete(sw_if_index=interface_if_idx) - except Exception: - pass - try: - for interface in self.vapi.af_packet_dump(): - if ( - interface.host_if_name - == af_packet_config["iprf_client_interface_on_vpp"] - ): - self.vapi.af_packet_delete( - af_packet_config["iprf_client_interface_on_vpp"] - ) - elif ( - interface.host_if_name - == af_packet_config["iprf_server_interface_on_vpp"] - ): - self.vapi.af_packet_delete( - af_packet_config["iprf_server_interface_on_vpp"] - ) - except Exception: - pass - try: - delete_host_interfaces( - af_packet_config["iprf_client_interface_on_linux"], - af_packet_config["iprf_server_interface_on_linux"], - af_packet_config["iprf_client_interface_on_vpp"], - af_packet_config["iprf_server_interface_on_vpp"], - ) - except Exception: - pass - try: - self.vapi.ip_table_add_del(is_add=0, table={"table_id": layer3["ip4_vrf"]}) - except Exception: - pass - try: - self.vapi.ip_table_add_del(is_add=0, table={"table_id": layer3["ip6_vrf"]}) - except Exception: - pass - try: - self.vapi.bridge_domain_add_del_v2(bd_id=1, is_add=0) - self.vapi.bridge_domain_add_del_v2(bd_id=2, is_add=0) - except Exception: - pass - try: - delete_namespace( - [ - client_namespace, - server_namespace, - ] - ) - except Exception: - pass - try: - stop_iperf() - except Exception: - pass - try: - if self.memif_process: - self.memif_process.terminate() - self.memif_process.join() - except Exception: - pass - - def create_af_packet(self, version, host_if_name, enable_gso=0): - """Create an af_packetv3 interface in VPP. - - Parameters: - version -- 2 for af_packet_create_v2 - -- 3 for af_packet_create_v3 - host_if_name -- host interface name - enable_gso -- Enable GSO on the interface when True - """ - af_packet_mode = VppEnum.vl_api_af_packet_mode_t - af_packet_interface_mode = af_packet_mode.AF_PACKET_API_MODE_ETHERNET - af_packet_flags = VppEnum.vl_api_af_packet_flags_t - af_packet_interface_flags = af_packet_flags.AF_PACKET_API_FLAG_QDISC_BYPASS - if enable_gso: - af_packet_interface_flags = ( - af_packet_interface_flags | af_packet_flags.AF_PACKET_API_FLAG_CKSUM_GSO - ) - if version == 2: - af_packet_interface_flags = ( - af_packet_interface_flags | af_packet_flags.AF_PACKET_API_FLAG_VERSION_2 - ) - api_args = { - "use_random_hw_addr": True, - "host_if_name": host_if_name, - "flags": af_packet_interface_flags, - } - api_args["mode"] = af_packet_interface_mode - result = self.vapi.af_packet_create_v3(**api_args) - sw_if_index = result.sw_if_index - # Enable software GSO chunking when interface doesn't support GSO offload - if enable_gso == 0: - self.vapi.feature_gso_enable_disable( - sw_if_index=sw_if_index, enable_disable=1 - ) - else: - self.vapi.feature_gso_enable_disable( - sw_if_index=sw_if_index, enable_disable=0 - ) - self.vapi.sw_interface_set_flags(sw_if_index=sw_if_index, flags=1) - return sw_if_index - - def create_tap_tun( - self, - id, - host_namespace, - ip_version, - host_ip4_prefix=None, - host_ip6_prefix=None, - host_ip4_gw=None, - host_ip6_gw=None, - int_type="tap", - host_if_name=None, - enable_gso=0, - enable_gro=0, - enable_checksum_offload=0, - ): - """Create a tapv2 or tunv2 interface in VPP and attach to host. - - Parameters: - id -- interface ID - host_namespace -- host namespace to attach the tap/tun interface to - ip_version -- 4 or 6 - host_ip4_prefix -- ipv4 host interface address in CIDR notation - if ip_version=4 - host_ip6_prefix -- ipv6 host interface address in CIDR notation - if ip_version=6 - host_ip4_gw -- host IPv4 default gateway IP Address - host_ip6_gw -- host IPv6 default gateway IP address - int_type -- "tap" for tapv2 & "tun" for tunv2 interface - host_if_name -- host side interface name - enable_gso -- enable GSO - enable_gro -- enable GSO/GRO-Coalesce - enable_checksum_offload -- enable checksum offload without gso - """ - TapFlags = VppEnum.vl_api_tap_flags_t - tap_flags = 0 - if int_type == "tun": - tap_flags = TapFlags.TAP_API_FLAG_TUN - if enable_gro: - tap_flags = tap_flags | ( - TapFlags.TAP_API_FLAG_GSO | TapFlags.TAP_API_FLAG_GRO_COALESCE - ) - elif enable_gso: - tap_flags = tap_flags | TapFlags.TAP_API_FLAG_GSO - elif enable_checksum_offload: - tap_flags = tap_flags | TapFlags.TAP_API_FLAG_CSUM_OFFLOAD - elif int_type == "tap": - if enable_gro: - tap_flags = ( - TapFlags.TAP_API_FLAG_GSO | TapFlags.TAP_API_FLAG_GRO_COALESCE - ) - elif enable_gso: - tap_flags = TapFlags.TAP_API_FLAG_GSO - elif enable_checksum_offload: - tap_flags = tap_flags | TapFlags.TAP_API_FLAG_CSUM_OFFLOAD - - api_args = { - "id": id, - "host_namespace_set": True, - "host_namespace": host_namespace, - "host_if_name_set": False, - "host_bridge_set": False, - "host_mac_addr_set": False, - } - if tap_flags != 0: - api_args["tap_flags"] = tap_flags - if ip_version == 4: - api_args["host_ip4_prefix"] = ip_interface(host_ip4_prefix) - api_args["host_ip4_prefix_set"] = True - if host_ip4_gw: - api_args["host_ip4_gw"] = ip_address(host_ip4_gw) - api_args["host_ip4_gw_set"] = True - if ip_version == 6: - api_args["host_ip6_prefix"] = ip_interface(host_ip6_prefix) - api_args["host_ip6_prefix_set"] = True - if host_ip6_gw: - api_args["host_ip6_gw"] = ip_address(host_ip6_gw) - api_args["host_ip6_gw_set"] = True - if host_if_name: - api_args["host_if_name"] = host_if_name - api_args["host_if_name_set"] = True - - result = self.vapi.tap_create_v2(**api_args) - sw_if_index = result.sw_if_index - # Enable software GSO chunking when interface doesn't support GSO offload and - # GRO coalesce - if enable_gso == 0 and enable_gro == 0: - self.vapi.feature_gso_enable_disable( - sw_if_index=sw_if_index, enable_disable=1 - ) - else: - self.vapi.feature_gso_enable_disable( - sw_if_index=sw_if_index, enable_disable=0 - ) - # Admin up - self.vapi.sw_interface_set_flags(sw_if_index=sw_if_index, flags=1) - return sw_if_index - - def create_memif(self, memif_id, mode): - """Create memif interface in VPP. - - Parameters: - memif_id: A unique ID for the memif interface - mode: 0 = ethernet, 1 = ip, 2 = punt/inject - """ - # create memif interface with role=0 (i.e. master) - result = self.vapi.memif_create_v2( - role=0, mode=mode, id=memif_id, buffer_size=9216 - ) - sw_if_index = result.sw_if_index - self.vapi.sw_interface_set_flags(sw_if_index=sw_if_index, flags=1) - return sw_if_index - - def dump_bridge_domain_details(self, bd_id): - return self.vapi.bridge_domain_dump(bd_id=bd_id) - - def l2_connect_interfaces(self, bridge_id, *sw_if_idxs): - for if_idx in sw_if_idxs: - self.vapi.sw_interface_set_l2_bridge( - rx_sw_if_index=if_idx, bd_id=bridge_id, shg=0, port_type=0, enable=True - ) - - def l3_connect_interfaces(self, ip_version, vrf_id, *if_idx_ip_prefixes): - """Setup routing for (if_idx, ip_prefix) inside VPP. - - arguments: - if_idx_ip_prefixes -- sequence of (if_idx, ip_prefix) tuples - ip_version -- 4 or 6 - vrf_id -- vrf_id - """ - is_ipv6 = 0 if ip_version == 4 else 1 - self.vapi.ip_table_add_del( - is_add=1, table={"table_id": vrf_id, "is_ip6": is_ipv6} - ) - for sw_if_index, ip_prefix in if_idx_ip_prefixes: - self.vapi.sw_interface_set_table( - sw_if_index=sw_if_index, is_ipv6=is_ipv6, vrf_id=vrf_id - ) - self.vapi.sw_interface_add_del_address( - sw_if_index=sw_if_index, is_add=1, prefix=ip_interface(ip_prefix) - ) - - def set_interfaces_mtu(self, mtu, ip_version, **kwargs): - """Set MTUs on VPP and Linux interfaces. - - arguments -- - mtu -- mtu value - ip_version - 4 or 6 - kwargs['vpp_interfaces'] -- list of vpp interface if indexes - kwargs['linux_interfaces'] -- list of tuples (namespace, interface_names) - return True if mtu is set, else False - """ - vpp_interfaces = kwargs.get("vpp_interfaces") - linux_interfaces = kwargs.get("linux_interfaces") - # IPv6 on Linux requires an MTU value >=1280 - if (ip_version == 6 and mtu >= 1280) or ip_version == 4: - for sw_if_idx in vpp_interfaces: - self.vapi.sw_interface_set_mtu( - sw_if_index=sw_if_idx, mtu=[mtu, 0, 0, 0] - ) - for namespace, interface_name in linux_interfaces: - set_interface_mtu( - namespace=namespace, - interface=interface_name, - mtu=mtu, - logger=self.logger, - ) - return True - else: - return False - - -generate_vpp_interface_tests() - -if __name__ == "__main__": - unittest.main(testRunner=VppTestRunner) diff --git a/test/vm_vpp_interfaces.py b/test/vm_vpp_interfaces.py new file mode 100644 index 00000000000..ed2d55b834a --- /dev/null +++ b/test/vm_vpp_interfaces.py @@ -0,0 +1,724 @@ +#!/usr/bin/env python3 +import unittest +from ipaddress import ip_address, ip_interface +from vpp_qemu_utils import ( + create_namespace, + delete_namespace, + create_host_interface, + delete_host_interfaces, + set_interface_mtu, + disable_interface_gso, + add_namespace_route, + libmemif_test_app, +) +from vpp_iperf import start_iperf, stop_iperf +from framework import VppTestCase +from asfframework import VppTestRunner, tag_fixme_debian11, is_distro_debian11 +from config import config +from vpp_papi import VppEnum +import time +import sys +from vm_test_config import test_config + +# +# Tests for: +# - tapv2, tunv2, af_packet_v2/v3 & memif interfaces. +# - reads test config from the file vm_test_config.py +# - Uses iPerf to send TCP/IP streams to VPP +# - VPP ingress interface runs the iperf client +# - VPP egress interface runs the iperf server +# - Runs tests specified in the vm_test_config module and verifies that: +# - TCP over IPv4 and IPv6 is enabled correctly for Bridged and Routed topologies. +# sending jumbo frames (9000/9001 MTUs) with GSO/GRO is enabled correctly. +# sending VPP buffer-sized frames(2048 MTU) with GSO/GRO is enabled correctly. +# sending standard frames (1500 MTU) with GSO/GRO is enabled correctly. +# sending smaller frames (512 MTU) with GSO/GRO is enabled correctly for IPv4 +# sending odd sized frames (9001, 2049 MTU) with GSO/GRO is enabled correctly. +# + + +class TestSelector: + """Selects specified test(s) from vm_test_config to run + + The selected_test field specifies a comma separated or range(s) of + tests to run (default='' i.e all_tests) e.g. setting the selected_tests + attribute to "1,3-4,19-23" runs tests with ID's 1, 3, 4, 19, 20, 21, + 22 & 23 from the spec file vm_test_config + """ + + def __init__(self, selected_tests="") -> None: + self.selected_tests = selected_tests + + def filter_tests(self, test): + """Works with the filter fn. to include only selected tests.""" + + if self.selected_tests: + selection = self.selected_tests + else: + selection = test_config["tests_to_run"] + + if not selection or selection == " ": + return True + + test_ids_to_run = [] + for test_id in selection.split(","): + if "-" in test_id.strip(): + start, end = map(int, test_id.split("-")) + test_ids_to_run.extend(list(range(start, end + 1))) + elif test_id.strip(): + test_ids_to_run.append(int(test_id)) + return test["id"] in test_ids_to_run + + +# Test Config variables +af_packet_config = test_config["af_packet"] +layer2 = test_config["L2"] +layer3 = test_config["L3"] + + +def create_test(test_name, test, ip_version, mtu): + """Create and return a unittest method for a test.""" + + @unittest.skipIf( + is_distro_debian11, "FIXME intermittent test failures on debian11 distro" + ) + @unittest.skipIf( + config.skip_netns_tests, "netns not available or disabled from cli" + ) + def test_func(self): + self.logger.debug(f"Starting unittest:{test_name}") + self.setUpTestToplogy(test=test, ip_version=ip_version) + result = self.set_interfaces_mtu( + mtu=mtu, + ip_version=ip_version, + vpp_interfaces=self.vpp_interfaces, + linux_interfaces=self.linux_interfaces, + ) + if "memif" in self.if_types: + self.logger.debug("Starting libmemif test_app for memif test") + self.memif_process = libmemif_test_app( + memif_sock_path=self.get_memif_sock_path(), logger=self.logger + ) + if result is True: + # Start an instance of an iperf server using + # a unique port. Save the iperf cmdline for + # terminating the iperf_server process after the test. + self.iperf_cmd = start_iperf( + ip_version=6, + client_ns=self.client_namespace, + server_ns=self.server_namespace, + server_only=True, + server_args=f"-p {self.iperf_port}", + logger=self.logger, + ) + # Send traffic between iperf client & server + self.assertTrue( + start_iperf( + ip_version=ip_version, + client_ns=self.client_namespace, + server_ns=self.server_namespace, + server_ipv4_address=self.server_ip4_address, + server_ipv6_address=self.server_ip6_address, + client_args=f"-p {self.iperf_port}", + client_only=True, + duration=2, + logger=self.logger, + ) + ) + else: + print( + f"Skipping test:{test_name} as mtu:{mtu} is " + f"invalid for TCP/IPv{ip_version}" + ) + + test_func.__name__ = test_name + return test_func + + +def generate_vpp_interface_tests(tests, test_class): + """Generate unittests for testing vpp interfaces + + Generates unittests from test spec. and sets them as attributes + to the test_class. + Args: + tests : list of test specs from vm_test_config['tests'] + test_class : the name of the test class to which the + generated tests are set as attributes. + """ + + if config.skip_netns_tests: + print("Skipping netns tests") + for test in tests: + for ip_version in test_config["ip_versions"]: + for mtu in test_config["mtus"]: + test_name = ( + f"test_id_{test['id']}_" + + f"client_{test['client_if_type']}" + + f"_v{test['client_if_version']}_" + + f"gso_{test.get('client_if_gso', 0)}_" + + f"gro_{test.get('client_if_gro', 0)}_" + + f"checksum_{test.get('client_if_checksum_offload', 0)}_" + + f"to_server_{test['server_if_type']}" + + f"_v{test['server_if_version']}_" + + f"gso_{test.get('server_if_gso', 0)}_" + + f"gro_{test.get('server_if_gro', 0)}_" + + f"checksum_{test.get('server_if_checksum_offload', 0)}_" + + f"mtu_{mtu}_mode_{test['x_connect_mode']}_" + + f"tcp_ipv{ip_version}" + ) + test_func = create_test( + test_name=test_name, test=test, ip_version=ip_version, mtu=mtu + ) + setattr(test_class, test_name, test_func) + + +@tag_fixme_debian11 +class TestVPPInterfacesQemu: + """Test VPP interfaces inside a QEMU VM for IPv4/v6. + + Test Setup: + Linux_ns1--iperfClient--host-int1--vpp-af_packet-int1--VPP-BD + --vppaf_packet_int2--host-int2--iperfServer--Linux_ns2 + """ + + def setUpTestToplogy(self, test, ip_version): + """Setup the test topology. + + 1. Create Linux Namespaces for iPerf Client & Server. + 2. Create VPP iPerf client and server virtual interfaces. + 3. Enable desired vif features such as GSO & GRO. + 3. Cross-Connect interfaces in VPP using L2 or L3. + """ + + # Need to support multiple interface types as the memif interface + # in VPP is connected to the iPerf client & server by x-connecting + # to a tap interface in their respective namespaces. + client_if_types = test["client_if_type"].split(",") + server_if_types = test["server_if_type"].split(",") + client_if_version = test["client_if_version"] + server_if_version = test["server_if_version"] + x_connect_mode = test["x_connect_mode"] + # server ip4/ip6 addresses required by iperf client + server_ip4_prefix = ( + layer2["server_ip4_prefix"] + if x_connect_mode == "L2" + else layer3["server_ip4_prefix"] + ) + server_ip6_prefix = ( + layer2["server_ip6_prefix"] + if x_connect_mode == "L2" + else layer3["server_ip6_prefix"] + ) + self.server_ip4_address = str(ip_interface(server_ip4_prefix).ip) + self.server_ip6_address = str(ip_interface(server_ip6_prefix).ip) + # next-hop IP address on VPP for routing from client & server namespaces + vpp_client_prefix = ( + layer3["vpp_client_ip4_prefix"] + if ip_version == 4 + else layer3["vpp_client_ip6_prefix"] + ) + vpp_client_nexthop = str(ip_interface(vpp_client_prefix).ip) + vpp_server_prefix = ( + layer3["vpp_server_ip4_prefix"] + if ip_version == 4 + else layer3["vpp_server_ip6_prefix"] + ) + vpp_server_nexthop = str(ip_interface(vpp_server_prefix).ip) + # Create unique namespaces for iperf client & iperf server to + # prevent conflicts when TEST_JOBS > 1 + self.client_namespace = test_config["client_namespace"] + str(test["id"]) + self.server_namespace = test_config["server_namespace"] + str(test["id"]) + create_namespace([self.client_namespace, self.server_namespace]) + # Set a unique iPerf port for parallel server and client runs + self.iperf_port = 5000 + test["id"] + # IPerf client & server ingress/egress interface indexes in VPP + self.tap_interfaces = [] + self.memif_interfaces = [] + self.ingress_if_idxes = [] + self.egress_if_idxes = [] + self.vpp_interfaces = [] + self.linux_interfaces = [] + enable_client_if_gso = test.get("client_if_gso", 0) + enable_server_if_gso = test.get("server_if_gso", 0) + enable_client_if_gro = test.get("client_if_gro", 0) + enable_server_if_gro = test.get("server_if_gro", 0) + enable_client_if_checksum_offload = test.get("client_if_checksum_offload", 0) + enable_server_if_checksum_offload = test.get("server_if_checksum_offload", 0) + + # Create unique host interfaces in Linux and VPP for connecting to iperf + # client & iperf server to prevent conflicts when TEST_JOBS > 1 + self.iprf_client_host_interface_on_linux = af_packet_config[ + "iprf_client_interface_on_linux" + ] + str(test["id"]) + self.iprf_client_host_interface_on_vpp = af_packet_config[ + "iprf_client_interface_on_vpp" + ] + str(test["id"]) + self.iprf_server_host_interface_on_linux = af_packet_config[ + "iprf_server_interface_on_linux" + ] + str(test["id"]) + self.iprf_server_host_interface_on_vpp = af_packet_config[ + "iprf_server_interface_on_vpp" + ] + str(test["id"]) + # Handle client interface types + for client_if_type in client_if_types: + if client_if_type == "af_packet": + create_host_interface( + self.iprf_client_host_interface_on_linux, + self.iprf_client_host_interface_on_vpp, + self.client_namespace, + layer2["client_ip4_prefix"] + if x_connect_mode == "L2" + else layer3["client_ip4_prefix"], + layer2["client_ip6_prefix"] + if x_connect_mode == "L2" + else layer3["client_ip6_prefix"], + ) + self.ingress_if_idx = self.create_af_packet( + version=client_if_version, + host_if_name=self.iprf_client_host_interface_on_vpp, + enable_gso=enable_client_if_gso, + ) + self.ingress_if_idxes.append(self.ingress_if_idx) + self.vpp_interfaces.append(self.ingress_if_idx) + self.linux_interfaces.append( + ["", self.iprf_client_host_interface_on_vpp] + ) + self.linux_interfaces.append( + [ + self.client_namespace, + self.iprf_client_host_interface_on_linux, + ] + ) + if enable_client_if_gso == 0: + disable_interface_gso("", self.iprf_client_host_interface_on_vpp) + disable_interface_gso( + self.client_namespace, + self.iprf_client_host_interface_on_linux, + ) + elif client_if_type == "tap" or client_if_type == "tun": + self.ingress_if_idx = self.create_tap_tun( + id=101, + host_namespace=self.client_namespace, + ip_version=ip_version, + host_ip4_prefix=layer2["client_ip4_prefix"] + if x_connect_mode == "L2" + else layer3["client_ip4_prefix"], + host_ip6_prefix=layer2["client_ip6_prefix"] + if x_connect_mode == "L2" + else layer3["client_ip6_prefix"], + host_ip4_gw=vpp_client_nexthop + if x_connect_mode == "L3" and ip_version == 4 + else None, + host_ip6_gw=vpp_client_nexthop + if x_connect_mode == "L3" and ip_version == 6 + else None, + int_type=client_if_type, + host_if_name=f"{client_if_type}0", + enable_gso=enable_client_if_gso, + enable_gro=enable_client_if_gro, + enable_checksum_offload=enable_client_if_checksum_offload, + ) + self.tap_interfaces.append(self.ingress_if_idx) + self.ingress_if_idxes.append(self.ingress_if_idx) + self.vpp_interfaces.append(self.ingress_if_idx) + self.linux_interfaces.append( + [self.client_namespace, f"{client_if_type}0"] + ) + # Seeing TCP timeouts if tx=on & rx=on Linux tap & tun interfaces + disable_interface_gso(self.client_namespace, f"{client_if_type}0") + elif client_if_type == "memif": + self.ingress_if_idx = self.create_memif( + memif_id=0, mode=0 if x_connect_mode == "L2" else 1 + ) + self.memif_interfaces.append(self.ingress_if_idx) + self.ingress_if_idxes.append(self.ingress_if_idx) + self.vpp_interfaces.append(self.ingress_if_idx) + else: + print( + f"Unsupported client interface type: {client_if_type} " + f"for test - ID={test['id']}" + ) + sys.exit(1) + for server_if_type in server_if_types: + if server_if_type == "af_packet": + create_host_interface( + self.iprf_server_host_interface_on_linux, + self.iprf_server_host_interface_on_vpp, + self.server_namespace, + server_ip4_prefix, + server_ip6_prefix, + ) + self.egress_if_idx = self.create_af_packet( + version=server_if_version, + host_if_name=self.iprf_server_host_interface_on_vpp, + enable_gso=enable_server_if_gso, + ) + self.egress_if_idxes.append(self.egress_if_idx) + self.vpp_interfaces.append(self.egress_if_idx) + self.linux_interfaces.append( + ["", self.iprf_server_host_interface_on_vpp] + ) + self.linux_interfaces.append( + [ + self.server_namespace, + self.iprf_server_host_interface_on_linux, + ] + ) + if enable_server_if_gso == 0: + disable_interface_gso("", self.iprf_server_host_interface_on_vpp) + disable_interface_gso( + self.server_namespace, + self.iprf_server_host_interface_on_linux, + ) + elif server_if_type == "tap" or server_if_type == "tun": + self.egress_if_idx = self.create_tap_tun( + id=102, + host_namespace=self.server_namespace, + ip_version=ip_version, + host_ip4_prefix=layer2["server_ip4_prefix"] + if x_connect_mode == "L2" + else layer3["server_ip4_prefix"], + host_ip6_prefix=layer2["server_ip6_prefix"] + if x_connect_mode == "L2" + else layer3["server_ip6_prefix"], + int_type=server_if_type, + host_if_name=f"{server_if_type}0", + enable_gso=enable_server_if_gso, + enable_gro=enable_server_if_gro, + enable_checksum_offload=enable_server_if_checksum_offload, + ) + self.tap_interfaces.append(self.egress_if_idx) + self.egress_if_idxes.append(self.egress_if_idx) + self.vpp_interfaces.append(self.egress_if_idx) + self.linux_interfaces.append( + [self.server_namespace, f"{server_if_type}0"] + ) + # Seeing TCP timeouts if tx=on & rx=on Linux tap & tun interfaces + disable_interface_gso(self.server_namespace, f"{server_if_type}0") + elif server_if_type == "memif": + self.egress_if_idx = self.create_memif( + memif_id=1, mode=0 if x_connect_mode == "L2" else 1 + ) + self.memif_interfaces.append(self.egress_if_idx) + self.egress_if_idxes.append(self.egress_if_idx) + self.vpp_interfaces.append(self.egress_if_idx) + else: + print( + f"Unsupported server interface type: {server_if_type} " + f"for test - ID={test['id']}" + ) + sys.exit(1) + self.if_types = set(client_if_types).union(set(server_if_types)) + # for memif testing: tapv2, memif & libmemif_app are connected + if "memif" not in self.if_types: + if x_connect_mode == "L2": + self.l2_connect_interfaces(1, self.ingress_if_idx, self.egress_if_idx) + elif x_connect_mode == "L3": + # L3 connect client & server side + vrf_id = layer3["ip4_vrf"] if ip_version == 4 else layer3["ip6_vrf"] + self.l3_connect_interfaces( + ip_version, + vrf_id, + (self.ingress_if_idx, vpp_client_prefix), + (self.egress_if_idx, vpp_server_prefix), + ) + # Setup namespace routing + if ip_version == 4: + add_namespace_route( + self.client_namespace, "0.0.0.0/0", vpp_client_nexthop + ) + add_namespace_route( + self.server_namespace, "0.0.0.0/0", vpp_server_nexthop + ) + else: + add_namespace_route( + self.client_namespace, "::/0", vpp_client_nexthop + ) + add_namespace_route( + self.server_namespace, "::/0", vpp_server_nexthop + ) + else: + # connect: ingress tap & memif & egress tap and memif interfaces + if x_connect_mode == "L2": + self.l2_connect_interfaces(1, *self.ingress_if_idxes) + self.l2_connect_interfaces(2, *self.egress_if_idxes) + # Wait for Linux IPv6 stack to become ready + if ip_version == 6: + time.sleep(2) + + def tearDown(self): + try: + for interface_if_idx in self.tap_interfaces: + self.vapi.tap_delete_v2(sw_if_index=interface_if_idx) + except Exception: + pass + try: + for interface_if_idx in self.memif_interfaces: + self.vapi.memif_delete(sw_if_index=interface_if_idx) + except Exception: + pass + try: + for interface in self.vapi.af_packet_dump(): + if interface.host_if_name == self.iprf_client_host_interface_on_vpp: + self.vapi.af_packet_delete(self.iprf_client_host_interface_on_vpp) + elif interface.host_if_name == self.iprf_server_host_interface_on_vpp: + self.vapi.af_packet_delete(self.iprf_server_host_interface_on_vpp) + except Exception: + pass + try: + delete_host_interfaces( + self.iprf_client_host_interface_on_linux, + self.iprf_server_host_interface_on_linux, + self.iprf_client_host_interface_on_vpp, + self.iprf_server_host_interface_on_vpp, + ) + except Exception: + pass + try: + self.vapi.ip_table_add_del(is_add=0, table={"table_id": layer3["ip4_vrf"]}) + except Exception: + pass + try: + self.vapi.ip_table_add_del(is_add=0, table={"table_id": layer3["ip6_vrf"]}) + except Exception: + pass + try: + self.vapi.bridge_domain_add_del_v2(bd_id=1, is_add=0) + self.vapi.bridge_domain_add_del_v2(bd_id=2, is_add=0) + except Exception: + pass + try: + delete_namespace( + [ + self.client_namespace, + self.server_namespace, + ] + ) + except Exception: + pass + try: + if hasattr(self, "iperf_cmd"): + stop_iperf(" ".join(self.iperf_cmd)) + except Exception: + pass + try: + if self.memif_process: + self.memif_process.terminate() + self.memif_process.join() + except Exception: + pass + + def create_af_packet(self, version, host_if_name, enable_gso=0): + """Create an af_packetv3 interface in VPP. + + Parameters: + version -- 2 for af_packet_create_v2 + -- 3 for af_packet_create_v3 + host_if_name -- host interface name + enable_gso -- Enable GSO on the interface when True + """ + af_packet_mode = VppEnum.vl_api_af_packet_mode_t + af_packet_interface_mode = af_packet_mode.AF_PACKET_API_MODE_ETHERNET + af_packet_flags = VppEnum.vl_api_af_packet_flags_t + af_packet_interface_flags = af_packet_flags.AF_PACKET_API_FLAG_QDISC_BYPASS + if enable_gso: + af_packet_interface_flags = ( + af_packet_interface_flags | af_packet_flags.AF_PACKET_API_FLAG_CKSUM_GSO + ) + if version == 2: + af_packet_interface_flags = ( + af_packet_interface_flags | af_packet_flags.AF_PACKET_API_FLAG_VERSION_2 + ) + api_args = { + "use_random_hw_addr": True, + "host_if_name": host_if_name, + "flags": af_packet_interface_flags, + } + api_args["mode"] = af_packet_interface_mode + result = self.vapi.af_packet_create_v3(**api_args) + sw_if_index = result.sw_if_index + # Enable software GSO chunking when interface doesn't support GSO offload + if enable_gso == 0: + self.vapi.feature_gso_enable_disable( + sw_if_index=sw_if_index, enable_disable=1 + ) + else: + self.vapi.feature_gso_enable_disable( + sw_if_index=sw_if_index, enable_disable=0 + ) + self.vapi.sw_interface_set_flags(sw_if_index=sw_if_index, flags=1) + return sw_if_index + + def create_tap_tun( + self, + id, + host_namespace, + ip_version, + host_ip4_prefix=None, + host_ip6_prefix=None, + host_ip4_gw=None, + host_ip6_gw=None, + int_type="tap", + host_if_name=None, + enable_gso=0, + enable_gro=0, + enable_checksum_offload=0, + ): + """Create a tapv2 or tunv2 interface in VPP and attach to host. + + Parameters: + id -- interface ID + host_namespace -- host namespace to attach the tap/tun interface to + ip_version -- 4 or 6 + host_ip4_prefix -- ipv4 host interface address in CIDR notation + if ip_version=4 + host_ip6_prefix -- ipv6 host interface address in CIDR notation + if ip_version=6 + host_ip4_gw -- host IPv4 default gateway IP Address + host_ip6_gw -- host IPv6 default gateway IP address + int_type -- "tap" for tapv2 & "tun" for tunv2 interface + host_if_name -- host side interface name + enable_gso -- enable GSO + enable_gro -- enable GSO/GRO-Coalesce + enable_checksum_offload -- enable checksum offload without gso + """ + TapFlags = VppEnum.vl_api_tap_flags_t + tap_flags = 0 + if int_type == "tun": + tap_flags = TapFlags.TAP_API_FLAG_TUN + if enable_gro: + tap_flags = tap_flags | ( + TapFlags.TAP_API_FLAG_GSO | TapFlags.TAP_API_FLAG_GRO_COALESCE + ) + elif enable_gso: + tap_flags = tap_flags | TapFlags.TAP_API_FLAG_GSO + elif enable_checksum_offload: + tap_flags = tap_flags | TapFlags.TAP_API_FLAG_CSUM_OFFLOAD + elif int_type == "tap": + if enable_gro: + tap_flags = ( + TapFlags.TAP_API_FLAG_GSO | TapFlags.TAP_API_FLAG_GRO_COALESCE + ) + elif enable_gso: + tap_flags = TapFlags.TAP_API_FLAG_GSO + elif enable_checksum_offload: + tap_flags = tap_flags | TapFlags.TAP_API_FLAG_CSUM_OFFLOAD + + api_args = { + "id": id, + "host_namespace_set": True, + "host_namespace": host_namespace, + "host_if_name_set": False, + "host_bridge_set": False, + "host_mac_addr_set": False, + } + if tap_flags != 0: + api_args["tap_flags"] = tap_flags + if ip_version == 4: + api_args["host_ip4_prefix"] = ip_interface(host_ip4_prefix) + api_args["host_ip4_prefix_set"] = True + if host_ip4_gw: + api_args["host_ip4_gw"] = ip_address(host_ip4_gw) + api_args["host_ip4_gw_set"] = True + if ip_version == 6: + api_args["host_ip6_prefix"] = ip_interface(host_ip6_prefix) + api_args["host_ip6_prefix_set"] = True + if host_ip6_gw: + api_args["host_ip6_gw"] = ip_address(host_ip6_gw) + api_args["host_ip6_gw_set"] = True + if host_if_name: + api_args["host_if_name"] = host_if_name + api_args["host_if_name_set"] = True + + result = self.vapi.tap_create_v2(**api_args) + sw_if_index = result.sw_if_index + # Enable software GSO chunking when interface doesn't support GSO offload and + # GRO coalesce + if enable_gso == 0 and enable_gro == 0: + self.vapi.feature_gso_enable_disable( + sw_if_index=sw_if_index, enable_disable=1 + ) + else: + self.vapi.feature_gso_enable_disable( + sw_if_index=sw_if_index, enable_disable=0 + ) + # Admin up + self.vapi.sw_interface_set_flags(sw_if_index=sw_if_index, flags=1) + return sw_if_index + + def create_memif(self, memif_id, mode): + """Create memif interface in VPP. + + Parameters: + memif_id: A unique ID for the memif interface + mode: 0 = ethernet, 1 = ip, 2 = punt/inject + """ + # create memif interface with role=0 (i.e. master) + result = self.vapi.memif_create_v2( + role=0, mode=mode, id=memif_id, buffer_size=9216 + ) + sw_if_index = result.sw_if_index + self.vapi.sw_interface_set_flags(sw_if_index=sw_if_index, flags=1) + return sw_if_index + + def dump_bridge_domain_details(self, bd_id): + return self.vapi.bridge_domain_dump(bd_id=bd_id) + + def l2_connect_interfaces(self, bridge_id, *sw_if_idxs): + for if_idx in sw_if_idxs: + self.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=if_idx, bd_id=bridge_id, shg=0, port_type=0, enable=True + ) + + def l3_connect_interfaces(self, ip_version, vrf_id, *if_idx_ip_prefixes): + """Setup routing for (if_idx, ip_prefix) inside VPP. + + arguments: + if_idx_ip_prefixes -- sequence of (if_idx, ip_prefix) tuples + ip_version -- 4 or 6 + vrf_id -- vrf_id + """ + is_ipv6 = 0 if ip_version == 4 else 1 + self.vapi.ip_table_add_del( + is_add=1, table={"table_id": vrf_id, "is_ip6": is_ipv6} + ) + for sw_if_index, ip_prefix in if_idx_ip_prefixes: + self.vapi.sw_interface_set_table( + sw_if_index=sw_if_index, is_ipv6=is_ipv6, vrf_id=vrf_id + ) + self.vapi.sw_interface_add_del_address( + sw_if_index=sw_if_index, is_add=1, prefix=ip_interface(ip_prefix) + ) + + def set_interfaces_mtu(self, mtu, ip_version, **kwargs): + """Set MTUs on VPP and Linux interfaces. + + arguments -- + mtu -- mtu value + ip_version - 4 or 6 + kwargs['vpp_interfaces'] -- list of vpp interface if indexes + kwargs['linux_interfaces'] -- list of tuples (namespace, interface_names) + return True if mtu is set, else False + """ + vpp_interfaces = kwargs.get("vpp_interfaces") + linux_interfaces = kwargs.get("linux_interfaces") + # IPv6 on Linux requires an MTU value >=1280 + if (ip_version == 6 and mtu >= 1280) or ip_version == 4: + for sw_if_idx in vpp_interfaces: + self.vapi.sw_interface_set_mtu( + sw_if_index=sw_if_idx, mtu=[mtu, 0, 0, 0] + ) + for namespace, interface_name in linux_interfaces: + set_interface_mtu( + namespace=namespace, + interface=interface_name, + mtu=mtu, + logger=self.logger, + ) + return True + else: + return False + + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) diff --git a/test/vpp_iperf.py b/test/vpp_iperf.py index 8fe0d749a4b..b325399f8e1 100644 --- a/test/vpp_iperf.py +++ b/test/vpp_iperf.py @@ -65,6 +65,7 @@ class VppIperf: sys.exit(1) def start_iperf_server(self): + """Starts the iperf server and returns the process cmdline args.""" args = [ "ip", "netns", @@ -75,11 +76,11 @@ class VppIperf: "-D", ] args.extend(self.server_args.split()) - args = " ".join(args) - self.logger.debug(f"Starting iperf server: {args}") + cmd = " ".join(args) + self.logger.debug(f"Starting iperf server: {cmd}") try: - return subprocess.run( - args, + subprocess.run( + cmd, timeout=self.duration + 5, encoding="utf-8", shell=True, @@ -88,6 +89,7 @@ class VppIperf: ) except subprocess.TimeoutExpired as e: raise Exception("Error: Timeout expired for iPerf", e.output) + return args[4:] def start_iperf_client(self): args = [ @@ -125,7 +127,7 @@ class VppIperf: """ self.ensure_init() if not client_only: - self.start_iperf_server() + return self.start_iperf_server() if not server_only: result = self.start_iperf_client() self.logger.debug(f"Iperf client args: {result.args}") @@ -192,17 +194,22 @@ def start_iperf( return iperf.start(server_only=server_only, client_only=client_only) -def stop_iperf(): - args = ["pkill", "iperf"] - args = " ".join(args) - try: - return subprocess.run( - args, - encoding="utf-8", - shell=True, - ) - except Exception: - pass +def stop_iperf(iperf_cmd): + """Stop the iperf process matching the iperf_cmd string.""" + args = ["pgrep", "-x", "-f", iperf_cmd] + p = subprocess.Popen( + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, encoding="utf-8" + ) + stdout, _ = p.communicate() + for pid in stdout.split(): + try: + subprocess.run( + f"kill -9 {pid}", + encoding="utf-8", + shell=True, + ) + except Exception: + pass if __name__ == "__main__": -- cgit 1.2.3-korg