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 <luca.vizza...@arm.com>
Signed-off-by: Thomas Wilks <thomas.wi...@arm.com>
Reviewed-by: Paul Szczepanek <paul.szczepa...@arm.com>
Reviewed-by: Dean Marx <dm...@iol.unh.edu>
Reviewed-by: Patrick Robb <pr...@iol.unh.edu>
Tested-by: Patrick Robb <pr...@iol.unh.edu>
---
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._logger.info(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
