Added verification that enables promiscuous mode, sends a packet with a different destination mac address and then disables promiscuous mode, sends the same packet and checks if the packet was filtered out.
Signed-off-by: Thomas Wilks <thomas.wi...@arm.com> --- Reviewed-by: Luca Vizzarro <luca.vizza...@arm.com> Reviewed-by: Paul Szczepanek <paul.szczepa...@arm.com> --- dts/tests/TestSuite_promisc_support.py | 63 ++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 dts/tests/TestSuite_promisc_support.py diff --git a/dts/tests/TestSuite_promisc_support.py b/dts/tests/TestSuite_promisc_support.py new file mode 100644 index 0000000000..a3ea2461f0 --- /dev/null +++ b/dts/tests/TestSuite_promisc_support.py @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2025 Arm Limited + +"""Promiscuous mode support test suite. + +Test promiscuous support by sending a packet with a different destination +mac address from the TG to the SUT. +""" + +from scapy.layers.inet import IP +from scapy.layers.l2 import Ether +from scapy.packet import Raw + +from framework.remote_session.testpmd_shell import TestPmdShell +from framework.test_suite import TestSuite, func_test + + +class TestPromiscSupport(TestSuite): + """Promiscuous mode support test suite.""" + + #: Alternate MAC address. + ALTERNATIVE_MAC_ADDRESS: str = "02:00:00:00:00:00" + + @func_test + def test_promisc_packets(self) -> None: + """Verify that promiscuous mode works. + + Steps: + Create a packet with a different mac address to the destination. + Enable promiscuous mode. + Send and receive packet. + Disable promiscuous mode. + Send and receive packet. + Verify: + Packet sent with the wrong address is received in promiscuous mode and filtered out + otherwise. + + """ + packet = [Ether(dst=self.ALTERNATIVE_MAC_ADDRESS) / IP() / Raw(load=b"\x00" * 64)] + + with TestPmdShell( + self.sut_node, + ) as testpmd: + for port_id in range(len(self.sut_node.ports)): + testpmd.set_promisc(port=port_id, enable=True, verify=True) + testpmd.start() + + received_packets = self.send_packets_and_capture(packet) + expected_packets = self.get_expected_packets(packet, sent_from_tg=True) + self.match_all_packets(expected_packets, received_packets) + + testpmd.stop() + + for port_id in range(len(self.sut_node.ports)): + testpmd.set_promisc(port=port_id, enable=False, verify=True) + testpmd.start() + + received_packets = self.send_packets_and_capture(packet) + expected_packets = self.get_expected_packets(packet, sent_from_tg=True) + self.verify( + not self.match_all_packets(expected_packets, received_packets, verify=False), + "Invalid packet wasn't filtered out.", + ) -- 2.43.0
