<div dir="ltr">Reviewed-by: Patrick Robb <<a href="mailto:probb@iol.unh.edu">probb@iol.unh.edu</a>><div>Tested-by: Patrick Robb <<a href="mailto:probb@iol.unh.edu">probb@iol.unh.edu</a>></div></div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Nov 8, 2024 at 12:01 PM Luca Vizzarro <<a href="mailto:luca.vizzarro@arm.com">luca.vizzarro@arm.com</a>> wrote: </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Add a basic L2 forwarding test suite which tests the correct functionality of the forwarding facility built-in in the DPDK. The tests are performed with different queues numbers per port. Signed-off-by: Luca Vizzarro <<a href="mailto:luca.vizzarro@arm.com" target="_blank">luca.vizzarro@arm.com</a>> Signed-off-by: Thomas Wilks <<a href="mailto:thomas.wilks@arm.com" target="_blank">thomas.wilks@arm.com</a>> Reviewed-by: Paul Szczepanek <<a href="mailto:paul.szczepanek@arm.com" target="_blank">paul.szczepanek@arm.com</a>> Reviewed-by: Dean Marx <<a href="mailto:dmarx@iol.unh.edu" target="_blank">dmarx@iol.unh.edu</a>> Reviewed-by: Patrick Robb <<a href="mailto:probb@iol.unh.edu" target="_blank">probb@iol.unh.edu</a>> Tested-by: Patrick Robb <<a href="mailto:probb@iol.unh.edu" target="_blank">probb@iol.unh.edu</a>> --- dts/tests/TestSuite_l2fwd.py | 63 ++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 dts/tests/TestSuite_l2fwd.py diff --git a/dts/tests/TestSuite_l2fwd.py b/dts/tests/TestSuite_l2fwd.py new file mode 100644 index 0000000000..0f6ff18907 --- /dev/null +++ b/dts/tests/TestSuite_l2fwd.py @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2024 Arm Limited + +"""Basic L2 forwarding test suite. + +This testing suites runs basic L2 forwarding on testpmd across multiple different queue sizes. +The forwarding test is performed with several packets being sent at once. +""" + +from framework.params.testpmd import EthPeer, SimpleForwardingModes +from framework.remote_session.testpmd_shell import TestPmdShell +from framework.test_suite import TestSuite, func_test +from framework.testbed_model.capability import requires +from framework.testbed_model.cpu import LogicalCoreCount +from framework.testbed_model.topology import TopologyType +from framework.utils import generate_random_packets + + +@requires(topology_type=TopologyType.two_links) +class TestL2fwd(TestSuite): + """L2 forwarding test suite.""" + + #: The total number of packets to generate and send for forwarding. + NUMBER_OF_PACKETS_TO_SEND = 50 + #: The payload size to use for the generated packets in bytes. + PAYLOAD_SIZE = 100 + + def set_up_suite(self) -> None: + """Set up the test suite. + + Setup: + Generate the random packets that will be sent. + """ + self.packets = generate_random_packets(self.NUMBER_OF_PACKETS_TO_SEND, self.PAYLOAD_SIZE) + + @func_test + def l2fwd_integrity(self) -> None: + """Test the L2 forwarding integrity. + + Test: + Configure a testpmd shell with a different numbers of queues (1, 2, 4 and 8) per run. + Start up L2 forwarding, send random packets from the TG and verify they were all + received back. + """ + queues = [1, 2, 4, 8] + + with TestPmdShell( + self.sut_node, + lcore_filter_specifier=LogicalCoreCount(cores_per_socket=4), + forward_mode=SimpleForwardingModes.mac, + eth_peer=[EthPeer(1, self.tg_node.ports[1].mac_address)], + disable_device_start=True, + ) as shell: + for queues_num in queues: + self._<a href="http://logger.info" rel="noreferrer" target="_blank">logger.info</a>(f"Testing L2 forwarding with {queues_num} queue(s)") + shell.set_ports_queues(queues_num) + shell.start() + + received_packets = self.send_packets_and_capture(self.packets) + expected_packets = self.get_expected_packets(self.packets) + self.match_all_packets(expected_packets, received_packets) + + shell.stop() -- 2.43.0 </blockquote></div>