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[132.177.123.84]) by smtp-relay.gmail.com with ESMTPS id d9443c01a7336-1fda4126a15sm2690325ad.144.2024.07.24.10.13.58 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Jul 2024 10:13:58 -0700 (PDT) X-Relaying-Domain: iol.unh.edu Received: from iol.unh.edu (unknown [IPv6:2606:4100:3880:1257::1083]) by postal.iol.unh.edu (Postfix) with ESMTP id 21CDC605C351; Wed, 24 Jul 2024 13:13:57 -0400 (EDT) From: jspewock@iol.unh.edu To: yoan.picchi@foss.arm.com, paul.szczepanek@arm.com, juraj.linkes@pantheon.tech, Luca.Vizzarro@arm.com, Honnappa.Nagarahalli@arm.com, thomas@monjalon.net, npratte@iol.unh.edu, wathsala.vithanage@arm.com, probb@iol.unh.edu Cc: dev@dpdk.org, Jeremy Spewock Subject: [PATCH v3 1/2] dts: add dual_vlan testing suite Date: Wed, 24 Jul 2024 13:13:44 -0400 Message-ID: <20240724171345.341495-2-jspewock@iol.unh.edu> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240724171345.341495-1-jspewock@iol.unh.edu> References: <20240715195852.254033-1-jspewock@iol.unh.edu> <20240724171345.341495-1-jspewock@iol.unh.edu> MIME-Version: 1.0 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 From: Jeremy Spewock This patch ports over the functionality of the dual_vlan suite from old DTS to the new framework. This test suite exists to test the functionality of VLAN functions such as stripping, inserting, and filerting in the presence of two VLAN headers. There are some test cases which were left out in this refactored version including test cases that test the functionality of VLAN functions on a packet with only one VLAN header, as this is something that is tested in another test suite which is currently in development. Additionally, this series does not include test cases for testing the adjustment of TPID or extended VLAN ranges, as these things were included in the old test suite specifically for testing on Intel hardware and they are not universally supported on every NIC. There could be further reason to add these test cases in the future once the capabilities feature is fully implemented. Extended mode for VLANs seems to be exposed through offload capabilities of the port, but there doesn't seem to be anything as obvious for TPID modification. depends-on: patch-142103 ("dts: add VLAN methods to testpmd shell") Signed-off-by: Jeremy Spewock Reviewed-by: Dean Marx Reviewed-by: Patrick Robb --- dts/tests/TestSuite_dual_vlan.py | 268 +++++++++++++++++++++++++++++++ 1 file changed, 268 insertions(+) create mode 100644 dts/tests/TestSuite_dual_vlan.py diff --git a/dts/tests/TestSuite_dual_vlan.py b/dts/tests/TestSuite_dual_vlan.py new file mode 100644 index 0000000000..3a8a52afeb --- /dev/null +++ b/dts/tests/TestSuite_dual_vlan.py @@ -0,0 +1,268 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2024 University of New Hampshire + +"""Dual VLAN functionality testing suite. + +The main objective of this test suite is to ensure that standard VLAN functions such as stripping +and filtering both still carry out their expected behavior in the presence of a packet which +contains two VLAN headers. These functions should carry out said behavior not just in isolation, +but also when other VLAN functions are configured on the same port. In addition to this, the +priority attributes of VLAN headers should be unchanged in the case of multiple VLAN headers +existing on a single packet, and a packet with only a single VLAN header should be able to have one +additional VLAN inserted into it. +""" +from enum import Flag, auto +from typing import ClassVar + +from scapy.layers.l2 import Dot1Q, Ether # type: ignore[import-untyped] +from scapy.packet import Packet, Raw # type: ignore[import-untyped] + +from framework.params.testpmd import SimpleForwardingModes +from framework.remote_session.testpmd_shell import TestPmdShell +from framework.test_suite import TestSuite + + +class TestDualVlan(TestSuite): + """DPDK Dual VLAN test suite. + + This suite tests the behavior of VLAN functions and properties in the presence of two VLAN + headers. All VLAN functions which are tested in this suite are specified using the inner class + :class:`TestCaseOptions` and should have cases for configuring them in + :meth:`configure_testpmd` as well as cases for testing their behavior in + :meth:`verify_vlan_functions`. Every combination of VLAN functions being enabled should be + tested. Additionally, attributes of VLAN headers, such as priority, are tested to ensure they + are not modified in the case of two VLAN headers. + """ + + class TestCaseOptions(Flag): + """Flag for specifying which VLAN functions to configure.""" + + #: + VLAN_STRIP = auto() + #: + VLAN_FILTER_INNER = auto() + #: + VLAN_FILTER_OUTER = auto() + + #: ID to set on inner VLAN tags. + inner_vlan_tag: ClassVar[int] = 2 + #: ID to set on outer VLAN tags. + outer_vlan_tag: ClassVar[int] = 1 + #: ID to use when inserting VLAN tags. + vlan_insert_tag: ClassVar[int] = 3 + #: + rx_port: ClassVar[int] = 0 + #: + tx_port: ClassVar[int] = 1 + + def is_relevant_packet(self, pkt: Packet) -> bool: + """Check if a packet was sent by functions in this suite. + + All functions in this test suite send packets with a payload that is packed with 20 "X" + characters. This method, therefore, can determine if the packet was sent by this test suite + by just checking to see if this payload exists on the received packet. + + Args: + pkt: Packet to check for relevancy. + + Returns: + :data:`True` if the packet contains the expected payload, :data:`False` otherwise. + """ + return hasattr(pkt, "load") and "X" * 20 in str(pkt.load) + + def pkt_payload_contains_layers(self, pkt: Packet, *expected_layers: Dot1Q) -> bool: + """Verify that the payload of the packet matches `expected_layers`. + + The layers in the payload of `pkt` must match the type and the user-defined fields of the + layers in `expected_layers` in order. + + Args: + pkt: Packet to check the payload of. + *expected_layers: Layers expected to be in the payload of `pkt`. + + Returns: + :data:`True` if the payload of `pkt` matches the layers in `expected_layers` in order, + :data:`False` otherwise. + """ + current_pkt_layer = pkt.payload + ret = True + for layer in expected_layers: + ret &= isinstance(current_pkt_layer, type(layer)) + if not ret: + break + for field, val in layer.fields.items(): + ret &= ( + hasattr(current_pkt_layer, field) and getattr(current_pkt_layer, field) == val + ) + current_pkt_layer = current_pkt_layer.payload + return ret + + def verify_vlan_functions(self, send_packet: Packet, options: TestCaseOptions) -> None: + """Send packet and verify the received packet has the expected structure. + + Expected structure is defined by `options` according to the following table: + +----------------------------------------------+-----------------------+ + | Configure setting | Result | + +=======+=======+========+============+========+=======+=======+=======+ + | Outer | Inner | Vlan | Vlan | Vlan | Pass/ | Outer | Inner | + | vlan | vlan | strip | filter | insert | Drop | vlan | vlan | + +-------+-------+--------+------------+--------+-------+-------+-------+ + | 0x1 | 0x2 | no | no | no | pass | 0x1 | 0x2 | + +-------+-------+--------+------------+--------+-------+-------+-------+ + | 0x1 | 0x2 | yes | no | no | pass | no | 0x2 | + +-------+-------+--------+------------+--------+-------+-------+-------+ + | 0x1 | 0x2 | no | yes,0x1 | no | pass | 0x1 | 0x2 | + +-------+-------+--------+------------+--------+-------+-------+-------+ + | 0x1 | 0x2 | no | yes,0x2 | no | pass | 0x1 | 0x2 | + +-------+-------+--------+------------+--------+-------+-------+-------+ + | 0x1 | 0x2 | no | yes,0x1,0x2| no | pass | 0x1 | 0x2 | + +-------+-------+--------+------------+--------+-------+-------+-------+ + | 0x1 | 0x2 | yes | yes,0x1 | no | pass | no | 0x2 | + +-------+-------+--------+------------+--------+-------+-------+-------+ + | 0x1 | 0x2 | yes | yes,0x2 | no | pass | no | 0x2 | + +-------+-------+--------+------------+--------+-------+-------+-------+ + | 0x1 | 0x2 | yes | yes,0x1,0x2| no | pass | no | 0x2 | + +-------+-------+--------+------------+--------+-------+-------+-------+ + + Args: + send_packet: Packet to send for testing. + options: Flag which defines the currents configured settings in testpmd. + """ + recv = self.send_packet_and_capture(send_packet) + recv = list(filter(self.is_relevant_packet, recv)) + expected_layers: list[Packet] = [] + + if self.TestCaseOptions.VLAN_STRIP not in options: + expected_layers.append(Dot1Q(vlan=self.outer_vlan_tag)) + expected_layers.append(Dot1Q(vlan=self.inner_vlan_tag)) + + self.verify( + len(recv) > 0, + f"Expected to receive packet with the payload {expected_layers} but got nothing.", + ) + + for pkt in recv: + self.verify( + self.pkt_payload_contains_layers(pkt, *expected_layers), + f"Received packet ({pkt.summary()}) did not match the expected sequence of layers " + f"{expected_layers} with options {options}.", + ) + + def configure_testpmd(self, shell: TestPmdShell, options: TestCaseOptions, add: bool) -> None: + """Configure VLAN functions in testpmd based on `options`. + + Args: + shell: Testpmd session to configure the settings on. Expected to already be running + with all ports stopped before being passed into this function. + options: Settings to modify in `shell`. + add: If :data:`True`, turn the settings in `options` on, otherwise turn them off. + """ + if ( + self.TestCaseOptions.VLAN_FILTER_INNER in options + or self.TestCaseOptions.VLAN_FILTER_OUTER in options + ): + if add: + # If we are adding a filter, filtering has to be enabled first + shell.vlan_filter_set(self.rx_port, True) + + if self.TestCaseOptions.VLAN_FILTER_INNER in options: + shell.rx_vlan(self.inner_vlan_tag, self.rx_port, add) + if self.TestCaseOptions.VLAN_FILTER_OUTER in options: + shell.rx_vlan(self.outer_vlan_tag, self.rx_port, add) + + if not add: + # If we are removing filters then we need to remove the filters before we can + # disable filtering. + shell.vlan_filter_set(self.rx_port, False) + if self.TestCaseOptions.VLAN_STRIP in options: + shell.vlan_strip_set(self.rx_port, add) + + def test_insert_second_vlan(self) -> None: + """Test that a packet with a single VLAN can have an additional one inserted into it.""" + with TestPmdShell(self.sut_node, forward_mode=SimpleForwardingModes.mac) as testpmd: + testpmd.port_stop_all() + testpmd.tx_vlan_set(self.tx_port, self.vlan_insert_tag) + testpmd.port_start_all() + testpmd.start() + recv = self.send_packet_and_capture( + Ether() / Dot1Q(vlan=self.outer_vlan_tag) / Raw("X" * 20) + ) + self.verify(len(recv) > 0, "Did not receive any packets when testing VLAN insertion.") + self.verify( + any( + self.is_relevant_packet(p) + and self.pkt_payload_contains_layers( + p, *[Dot1Q(vlan=self.vlan_insert_tag), Dot1Q(vlan=self.outer_vlan_tag)] + ) + for p in recv + ), + "Packet was unable to insert a second VLAN tag.", + ) + + def test_all_vlan_functions(self) -> None: + """Test that all combinations of :class:`TestCaseOptions` behave as expected. + + To test this, the base case is tested first, ensuring that a packet with two VLANs is + unchanged without the VLAN modification functions enabled. Then the same Testpmd shell is + modified to enable all necessary VLAN functions, followed by verification that the + functions work as expected, and finally the functions are disabled to allow for a clean + environment for the next test. + """ + send_pakt = ( + Ether() + / Dot1Q(vlan=self.outer_vlan_tag) + / Dot1Q(vlan=self.inner_vlan_tag) + / Raw("X" * 20) + ) + with TestPmdShell(self.sut_node, forward_mode=SimpleForwardingModes.mac) as testpmd: + testpmd.start() + recv = self.send_packet_and_capture(send_pakt) + self.verify(len(recv) > 0, "Unmodified packet was not received.") + self.verify( + any( + self.is_relevant_packet(p) + and self.pkt_payload_contains_layers( + p, *[Dot1Q(vlan=self.outer_vlan_tag), Dot1Q(vlan=self.inner_vlan_tag)] + ) + for p in recv + ), + "Packet was modified without any VLAN functions applied.", + ) + testpmd.stop() + testpmd.port_stop_all() + for i in range(2 ** len(self.TestCaseOptions)): + options = self.TestCaseOptions(i) + self.configure_testpmd(testpmd, options, True) + testpmd.port_start_all() + testpmd.start() + self.verify_vlan_functions(send_pakt, options) + testpmd.stop() + testpmd.port_stop_all() + self.configure_testpmd(testpmd, options, False) + + def test_maintains_priority(self) -> None: + """Test that priorities of multiple VLAN tags are preserved by the PMD.""" + pakt = ( + Ether() + / Dot1Q(vlan=self.outer_vlan_tag, prio=1) + / Dot1Q(vlan=self.inner_vlan_tag, prio=2) + / Raw("X" * 20) + ) + with TestPmdShell(self.sut_node, forward_mode=SimpleForwardingModes.mac) as testpmd: + testpmd.start() + recv = self.send_packet_and_capture(pakt) + self.verify(len(recv) > 0, "Did not receive any packets when testing VLAN priority.") + self.verify( + any( + self.is_relevant_packet(p) + and self.pkt_payload_contains_layers( + p, + *[ + Dot1Q(vlan=self.outer_vlan_tag, prio=1), + Dot1Q(vlan=self.inner_vlan_tag, prio=2), + ], + ) + for p in recv + ), + "Vlan headers did not maintain their priorities.", + ) From patchwork Wed Jul 24 17:13:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeremy Spewock X-Patchwork-Id: 142700 X-Patchwork-Delegate: juraj.linkes@pantheon.tech Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E42FA4568A; Wed, 24 Jul 2024 19:14:10 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2A34343405; Wed, 24 Jul 2024 19:14:02 +0200 (CEST) Received: from mail-yb1-f227.google.com (mail-yb1-f227.google.com [209.85.219.227]) by mails.dpdk.org (Postfix) with ESMTP id 17C3F4339F for ; Wed, 24 Jul 2024 19:14:00 +0200 (CEST) Received: by mail-yb1-f227.google.com with SMTP id 3f1490d57ef6-dfef5980a69so7429008276.3 for ; Wed, 24 Jul 2024 10:14:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iol.unh.edu; s=unh-iol; t=1721841239; x=1722446039; 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=3kqqR8tt5pIv8x/RMagpk1vtwpcgnzpZ/iIiKNKBo1E=; b=cIPHZsGyb37geQzmnS4/lXcQ3HhmFlDAxoxPn/qVg5f1mjxSrgmUiKQ9ypgPJ9YN1P 8WWhAE2WqQZEHedyrU04wPuv0JI/7MPQvZneUfGLD5NTrwVxocsinsWBVs1mYxMB5yVl KgIEodKWfTilXVJO7jPE3sHRDCaunGwEGQyAk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721841239; x=1722446039; 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=3kqqR8tt5pIv8x/RMagpk1vtwpcgnzpZ/iIiKNKBo1E=; b=jF+15M+rRFyaBnH3TRmvABPPfqczBX87mOVvqmpEwJeeBYhdd2b+tlYo3fZbeb6sLG MB0MGKDkb5ZSjNLv/E+fci1x7xUqUgBTA6zJDbgp9yWb1sRsTjtKm1ZYMz+VE0T/DXS8 xt/2T82Og3LSEBdIk1a92Gp/YVIYztbcKXoY8lNFrz14U+SjOengj9WUWX1zLIOCN4a0 Hj9mal+O4HOwAw0H5LPbG7svxMGV4lCLajuuseHFEmVDZkAPF//EmFUxNyXP/4S9p/kK 7+y2x/dYmbdPCDfVtqFSiG9XbdODMOHxJaOLJqCczOOrAJLiW0dCch9CI/146K3YeXpl Q4Eg== X-Gm-Message-State: AOJu0YxXwpsPlRySluu5iiVTkMu9VZNsorUfnlQCMXdtWIbo7Ke6tc9u 5m+GjdOW276Tj3tGPBA4BKWKRizLhb1WXGUs6TUWz0zHmAN7qHUq5S5DU1WRTBmHUSHWyO3EJ4w 7SyZ1bHTA+CG/NmudR+hmFaxcF2CeAquH X-Google-Smtp-Source: AGHT+IEfm12/rtKmmkn6iceT62g4Q1eYtSA0q08U6jeSSlkkFUlhzEZJ5sXFyyRYBaO+TKF9Z5PL3dUSG8Fb X-Received: by 2002:a05:6902:1882:b0:e08:6b2a:998b with SMTP id 3f1490d57ef6-e0b23060c83mr207663276.3.1721841239451; Wed, 24 Jul 2024 10:13:59 -0700 (PDT) Received: from postal.iol.unh.edu (postal.iol.unh.edu. [132.177.123.84]) by smtp-relay.gmail.com with ESMTPS id 3f1490d57ef6-e08608cae59sm249672276.12.2024.07.24.10.13.59 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Jul 2024 10:13:59 -0700 (PDT) X-Relaying-Domain: iol.unh.edu Received: from iol.unh.edu (unknown [IPv6:2606:4100:3880:1257::1083]) by postal.iol.unh.edu (Postfix) with ESMTP id 4A920605C352; Wed, 24 Jul 2024 13:13:58 -0400 (EDT) From: jspewock@iol.unh.edu To: yoan.picchi@foss.arm.com, paul.szczepanek@arm.com, juraj.linkes@pantheon.tech, Luca.Vizzarro@arm.com, Honnappa.Nagarahalli@arm.com, thomas@monjalon.net, npratte@iol.unh.edu, wathsala.vithanage@arm.com, probb@iol.unh.edu Cc: dev@dpdk.org, Jeremy Spewock Subject: [PATCH v3 2/2] dts: add dual_vlan test suite to the yaml schema Date: Wed, 24 Jul 2024 13:13:45 -0400 Message-ID: <20240724171345.341495-3-jspewock@iol.unh.edu> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240724171345.341495-1-jspewock@iol.unh.edu> References: <20240715195852.254033-1-jspewock@iol.unh.edu> <20240724171345.341495-1-jspewock@iol.unh.edu> MIME-Version: 1.0 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 From: Jeremy Spewock Adds the test suite name to the yaml schema to allow for it to be run. Signed-off-by: Jeremy Spewock Reviewed-by: Dean Marx --- dts/framework/config/conf_yaml_schema.json | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/dts/framework/config/conf_yaml_schema.json b/dts/framework/config/conf_yaml_schema.json index f02a310bb5..b8ad5b37b3 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", + "dual_vlan" ] }, "test_target": {