From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id EE2F8456A3; Fri, 26 Jul 2024 18:39:51 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 65EA942F1B; Fri, 26 Jul 2024 18:39:51 +0200 (CEST) Received: from mail-oo1-f53.google.com (mail-oo1-f53.google.com [209.85.161.53]) by mails.dpdk.org (Postfix) with ESMTP id 9692442F1B for ; Fri, 26 Jul 2024 18:39:49 +0200 (CEST) Received: by mail-oo1-f53.google.com with SMTP id 006d021491bc7-5c680f40faeso115073eaf.1 for ; Fri, 26 Jul 2024 09:39:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iol.unh.edu; s=unh-iol; t=1722011989; x=1722616789; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tsIKyD7+SqFivkUNYWpTFsMVINcADu0sKCb0pgaMEV0=; b=cXR0PP3taWZK+k6KDWBsJWlmxjgGDyl6mXjf4LOA0dfcqQJx6TTm002WVa3Y9RNY4J SqqSjVsZHG5q3ZzV6Rzaq4Inl7kMfmxBGi+jZ+5XdyaUXlw9tUN3x/RAPUs0VkN8LnSu rPy6DinuhrVMZUIGO08gfIcaWY0Cai4xpuEM0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722011989; x=1722616789; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tsIKyD7+SqFivkUNYWpTFsMVINcADu0sKCb0pgaMEV0=; b=v1fAumQUxq+7PkRoPFlUumizFpvvDX/hrFXNrLkTjtHCLpRRGkDwPtGiP2iRWZXu6h WjMYGyOTor0eUFleSulWPynt7GvrcaIMV/0GM3gXKx/HYkyEaZ2mf7hPKB5YFvHiEj3l B8h7EPdY7QmcSvADMjg21CyrEf3uuDA3GaEW4t8FRRgDGZ8b++CF84v+Pr5k6J08TEGL us0tabT107J4wGhtxhEZ+J6HNZpw0AM2l+59DSvK4T7dDddnKHnj1UM9axWRRY8YSpYn gYW1MZAFdfxUwFvTdO32gkF/8DyUnLoO56YQ20de6aZTaJ7vpVls2hKDt89EJgoqKP45 gUYg== X-Gm-Message-State: AOJu0Yzyw5t4884IIxOJQgV6kds5QnZYU1alj2FkWMUumAgtQZ67ape/ YDsder+abCfMgVo1r6RFhkcUyD8W9MHWnqD7ySu5akdRWwWqM/zS0fKRK68lelg= X-Google-Smtp-Source: AGHT+IHWUcHHdQBV7plcR7lFcm3qdk12yMJ7sq8xAd7dukkZxxmfcTmEaJ7lAUdXDcgYRNOtJeFOEA== X-Received: by 2002:a05:6870:b018:b0:260:f1c4:2fe3 with SMTP id 586e51a60fabf-264c450335bmr3911266fac.10.1722011988482; Fri, 26 Jul 2024 09:39:48 -0700 (PDT) Received: from localhost.unh.edu ([2606:4100:3880:1257::1003]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7a1d7398d3asm191961685a.7.2024.07.26.09.39.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jul 2024 09:39:47 -0700 (PDT) From: Nicholas Pratte To: probb@iol.unh.edu, dmarx@iol.unh.edu, jspewock@iol.unh.edu, luca.vizzarro@arm.com, yoan.picchi@foss.arm.com, Honnappa.Nagarahalli@arm.com, paul.szczepanek@arm.com, juraj.linkes@pantheon.tech Cc: dev@dpdk.org, Nicholas Pratte Subject: [PATCH v4 2/2] dts: mac filter test suite refactored for new dts Date: Fri, 26 Jul 2024 12:39:16 -0400 Message-ID: <20240726163915.19277-4-npratte@iol.unh.edu> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240702192422.2480-2-npratte@iol.unh.edu> References: <20240702192422.2480-2-npratte@iol.unh.edu> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org The mac address filter test suite, whose test cases are based on old DTS's test cases, has been refactored to interface with the new DTS framework. In porting over this test suite into the new framework, some adjustments were made, namely in the EAL and TestPMD parameter provided before executing the application. While the original test plan was referenced, by and large, only for the individual test cases, I'll leave the parameters the original test plan was asking for below for the sake of discussion: --burst=1 --rxpt=0 --rxht=0 --rxwt=0 --txpt=36 --txht=0 --txwt=0 --txfreet=32 --rxfreet=64 --mbcache=250 --portmask=0x3 depends-on: patch-142691 ("dts: add send_packets to test suites and rework packet addressing") depends-on: patch-142696 ("dts: add VLAN methods to testpmd shell") Bugzilla ID: 1454 Signed-off-by: Nicholas Pratte --- v2: * Refactored the address pool capacity tests to use all available octets in the mac address. * Change the payload to 'X' characters instead of 'P' characters. v4: * Refactored TestPMD sessions to interface with context manager. --- dts/framework/config/conf_yaml_schema.json | 3 +- dts/tests/TestSuite_mac_filter.py | 217 +++++++++++++++++++++ 2 files changed, 219 insertions(+), 1 deletion(-) create mode 100644 dts/tests/TestSuite_mac_filter.py diff --git a/dts/framework/config/conf_yaml_schema.json b/dts/framework/config/conf_yaml_schema.json index f02a310bb5..ad1f3757f7 100644 --- a/dts/framework/config/conf_yaml_schema.json +++ b/dts/framework/config/conf_yaml_schema.json @@ -187,7 +187,8 @@ "enum": [ "hello_world", "os_udp", - "pmd_buffer_scatter" + "pmd_buffer_scatter", + "mac_filter" ] }, "test_target": { diff --git a/dts/tests/TestSuite_mac_filter.py b/dts/tests/TestSuite_mac_filter.py new file mode 100644 index 0000000000..9d61eb514d --- /dev/null +++ b/dts/tests/TestSuite_mac_filter.py @@ -0,0 +1,217 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2023-2024 University of New Hampshire +"""Mac address filtering test suite. + +This test suite ensures proper and expected behavior of Allowlist filtering via mac +addresses on devices bound to the Poll Mode Driver. If a packet received on a device +contains a mac address not contained with its mac address pool, the packet should +be dropped. Alternatively, if a packet is received that contains a destination mac +within the devices address pool, the packet should be accepted and forwarded. This +behavior should remain consistent across all packets, namely those containing dot1q +tags or otherwise. + +The following test suite assesses behaviors based on the aforementioned logic. +Additionally, testing is done within the PMD itself to ensure that the mac address +allow list is behaving as expected. +""" + +from scapy.layers.inet import IP # type: ignore[import-untyped] +from scapy.layers.l2 import Dot1Q, Ether # type: ignore[import-untyped] +from scapy.packet import Raw # type: ignore[import-untyped] + +from framework.exception import InteractiveCommandExecutionError +from framework.remote_session.testpmd_shell import TestPmdShell +from framework.test_suite import TestSuite + + +class TestMacFilter(TestSuite): + """Mac address allowlist filtering test suite. + + Configure mac address filtering on a given port, and test the port's filtering behavior + using both a given port's hardware address as well as dummy addresses. If a port accepts + a packet that is not contained within its mac address allowlist, then a given test case + fails. Alternatively, if a port drops a packet that is designated within its mac address + allowlist, a given test case will fail. + + Moreover, a given port should demonstrate proper behavior when bound to the Poll Mode + Driver. A port should not have a mac address allowlist that exceeds its designated size. + A port's default hardware address should not be removed from its address pool, and invalid + addresses should not be included in the allowlist. If a port abides by the above rules, the + test case passes. + """ + + def send_packet_and_verify( + self, + mac_address: str, + add_vlan: bool = False, + should_receive: bool = True, + ) -> None: + """Generate, send, and verify a packet based on specified parameters. + + Test cases within this suite utilize this method to create, send, and verify + packets based on criteria relating to the packet's destination mac address, + vlan tag, and whether or not the packet should be received or not. Packets + are verified using an inserted payload. Assuming the test case expects to + receive a specified packet, if the list of received packets contains this + payload within any of its packets, the test case passes. Alternatively, if + the designed packet should not be received, and the packet payload is not, + received, then the test case fails. Each call with this method sends exactly + one packet. + + Args: + mac_address: The destination mac address of the packet being sent. + add_vlan: If :data:'True', add a vlan tag to the packet being sent. The + vlan tag will be :data:'2' if the packet should be received and + :data:'1' if the packet should not be received but requires a vlan tag. + should_receive: If :data:'True', assert whether or not the sent packet + has been received. If :data:'False', assert that the send packet was not + received. :data:'True' by default + """ + if add_vlan: + packet = Ether() / Dot1Q(vlan=2 if should_receive else 1) / IP() / Raw(load="X" * 22) + else: + packet = Ether() / IP() / Raw(load="X" * 22) + packet.dst = mac_address + received_packets = [ + packets + for packets in self.send_packet_and_capture(packet) + if hasattr(packets, "load") and "X" * 22 in str(packets.load) + ] + if should_receive: + self.verify(len(received_packets) == 1, "Expected packet not received") + else: + self.verify(len(received_packets) == 0, "Expected packet received") + + def test_add_remove_mac_addresses(self) -> None: + """Assess basic mac addressing filtering functionalities. + + This test case validates for proper behavior of mac address filtering with both + a port's default, burned-in mac address, as well as additional mac addresses + added to the PMD. Packets should either be received or not received depending on + the properties applied to the PMD at any given time. + + Test: + Start TestPMD with promiscuous mode. + Send a packet with the port's default mac address. (Should receive) + Send a packet with fake mac address. (Should not receive) + Add fake mac address to the PMD's address pool. + Send a packet with the fake mac address to the PMD. (Should receive) + Remove the fake mac address from the PMD's address pool. + Sent a packet with the fake mac address to the PMD. (Should not receive) + """ + with TestPmdShell(self.sut_node) as testpmd: + testpmd.set_promisc(0, on=False) + testpmd.start() + mac_address = self._sut_port_ingress.mac_address + + # Send a packet with NIC default mac address + self.send_packet_and_verify(mac_address=mac_address, should_receive=True) + # Send a packet with different mac address + fake_address = "00:00:00:00:00:01" + self.send_packet_and_verify(mac_address=fake_address, should_receive=False) + + # Add mac address to pool and rerun tests + testpmd.set_mac_addr(0, mac_address=fake_address, add=True) + self.send_packet_and_verify(mac_address=fake_address, should_receive=True) + testpmd.set_mac_addr(0, mac_address=fake_address, add=False) + self.send_packet_and_verify(mac_address=fake_address, should_receive=False) + + def test_invalid_address(self) -> None: + """Assess the behavior of a NIC mac address pool while bound to the PMD. + + An assessment of a NIC's behavior when mounted to a PMD as it relates to mac addresses + and address pooling. Devices should not be able to use invalid mac addresses, remove their + built-in hardware address, or exceed their address pools. + + Test: + Start TestPMD. + Attempt to add an invalid mac address. (Should fail) + Attempt to remove the device's hardware address with no additional addresses in the + address pool. (Should fail) + Add a fake mac address to the pool twice in succession. (Should not create any errors) + Attempt to remove the device's hardware address with other addresses in the address + pool. (Should fail) + Determine the device's mac address pool size, and fill the pool with fake addresses. + Attempt to add another fake mac address, overloading the address pool. (Should fail) + """ + with TestPmdShell(self.sut_node) as testpmd: + testpmd.start() + mac_address = self._sut_port_ingress.mac_address + try: + testpmd.set_mac_addr(0, "00:00:00:00:00:00", add=True) + self.verify(False, "Invalid mac address added.") + except InteractiveCommandExecutionError: + pass + try: + testpmd.set_mac_addr(0, mac_address, add=False) + self.verify(False, "Default mac address removed.") + except InteractiveCommandExecutionError: + pass + # Should be no errors adding this twice + testpmd.set_mac_addr(0, "1" + mac_address[1:], add=True) + testpmd.set_mac_addr(0, "1" + mac_address[1:], add=True) + # Double check to see if default mac address can be removed + try: + testpmd.set_mac_addr(0, mac_address, add=False) + self.verify(False, "Default mac address removed.") + except InteractiveCommandExecutionError: + pass + + for i in range(testpmd.show_port_info(0).max_mac_addresses_num - 1): + # A0 fake address based on the index 'i'. + fake_address = str(hex(i)[2:].zfill(12)) + # Insert ':' characters every two indexes to create a fake mac address. + fake_address = ":".join( + fake_address[x : x + 2] for x in range(0, len(fake_address), 2) + ) + testpmd.set_mac_addr(0, fake_address, add=True, verify=False) + try: + testpmd.set_mac_addr(0, "F" + mac_address[1:], add=True) + self.verify(False, "Mac address limit exceeded.") + except InteractiveCommandExecutionError: + pass + + def test_multicast_filter(self) -> None: + """Assess basic multicast address filtering functionalities. + + Ensure that multicast filtering performs as intended when a given device is bound + to the PMD, with and without dot1q vlan tagging. + + Test: + Start TestPMD with promiscuous mode. + Add a fake multicast address to the PMD's multicast address pool. + Send a packet with the fake multicast address to the PMD. (Should receive) + Set vlan filtering on the PMD, and add vlan ID to the PMD. + Send a packet with the fake multicast address and vlan ID to the PMD. (Should receive) + Send a packet with the fake multicast address and a different vlan ID to the PMD. + (Should not receive) + Remove the vlan tag from the PMD, and turn vlan filtering off on the PMD. + Send a packet with the fake multicast address and no vlan tag to the PMD. + (Should receive) + Remove the fake multicast address from the PMDs multicast address filter. + Send a packet with the fake multicast address to the PMD. (Should not receive) + """ + with TestPmdShell(self.sut_node) as testpmd: + testpmd.start() + testpmd.set_promisc(0, on=False) + multicast_address = "01:00:5E:00:00:00" + vlan_id = 2 + + testpmd.set_multicast_mac_addr(0, multi_addr=multicast_address, add=True) + self.send_packet_and_verify(multicast_address, should_receive=True) + + # Test vlan filtering on multicast addressing. + # Verify vlan functionality for debugging purposes. + testpmd.vlan_filter_set(0, on=True) + testpmd.rx_vlan(vlan_id, 0, add=True) + self.send_packet_and_verify(multicast_address, should_receive=True, add_vlan=True) + self.send_packet_and_verify(multicast_address, should_receive=False, add_vlan=True) + + # Remove vlan tag and filtering and run basic multicast addr test. + testpmd.rx_vlan(vlan_id, 0, add=False) + testpmd.vlan_filter_set(0, on=False) + self.send_packet_and_verify(multicast_address, should_receive=True) + + # Remove multicast filter and verify the packet was not received. + testpmd.set_multicast_mac_addr(0, multicast_address, add=False) + self.send_packet_and_verify(multicast_address, should_receive=False) -- 2.44.0