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 13D1245524; Fri, 28 Jun 2024 18:20:09 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0FE7942E98; Fri, 28 Jun 2024 18:20:06 +0200 (CEST) Received: from mail-qt1-f173.google.com (mail-qt1-f173.google.com [209.85.160.173]) by mails.dpdk.org (Postfix) with ESMTP id F0FDC42E7D for ; Fri, 28 Jun 2024 18:20:04 +0200 (CEST) Received: by mail-qt1-f173.google.com with SMTP id d75a77b69052e-445033fbc24so6697681cf.3 for ; Fri, 28 Jun 2024 09:20:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iol.unh.edu; s=unh-iol; t=1719591604; x=1720196404; 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=XUYrTHvbcQUoOEaGhMJkE3SLx99ank8aVcD7lN6tBzs=; b=jKSPXL16Exe//6zsm2AgNOwfz+lD3S47mqxn3ooBzb4npS/vGvuiKGkKyOR6IBcWdq XC9IZPgz0GFB9m6IwbcrQ59OcC4kGgy1HTZm/ojUfnd+BlH68zJnIneNfXCd4TH1zYRl /M8i8d8LRP4P1fCd1Mqdq23wMAYyBlF3cEIQ0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719591604; x=1720196404; 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=XUYrTHvbcQUoOEaGhMJkE3SLx99ank8aVcD7lN6tBzs=; b=qqrYNyqrYVXuBNSlAMdfXDf8x1Hd3jxQC1FPGEbRTwarwh9ZLP1kK/RsiL2rIJr/il vIk6kAUpCHY9AW1ATUWgmfPhACVewUev1lqlah/ZfGbOpLdbqdDNLMsRsy/SR4cYS1i/ MzfTcgTEBYXUqvOYwqJIlAtiEUSqzSYLu1PGTwnCG9/OKCpyviYrp0JieWtTXpL4nAhz NlTbdOntjhVOAnWZm9kD4IoN5Je7dBekbz+boRSn3CPc6KM4X37B7UsAvOkaLQCWUTMQ vqTThjag+tNn6CibDMh6tMBtZOAL3redMm2Gi8BSp2GTUqUN3Hy2e2AXiPKVICtv6TYb xR5w== X-Gm-Message-State: AOJu0YzM4iVjocDG6aeoKetan6IpwurshVTgwESuyYgr5x1NA3Mtphn+ h25JhJI4utee9I9+cbtz1WN32tmzAXi6OYMdT0TQ/WAHQDipqG0W8JVF3Loq7Fs= X-Google-Smtp-Source: AGHT+IGYm+tXAjhsuoeXQt4wn3F0nRQQGuDGK7da3nyYg/eQ1z9+Xd7ab1jFzsu6xGViJLTWjW9jJg== X-Received: by 2002:a05:6214:1d2f:b0:6b5:4c67:e622 with SMTP id 6a1803df08f44-6b54c67eb6emr211052166d6.29.1719591604077; Fri, 28 Jun 2024 09:20:04 -0700 (PDT) Received: from dean-laptop.iol.unh.edu ([2606:4100:3880:1271:f9bd:24da:464d:6294]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6b59e5642fesm9075246d6.40.2024.06.28.09.20.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Jun 2024 09:20:03 -0700 (PDT) From: Dean Marx To: Honnappa.Nagarahalli@arm.com, juraj.linkes@pantheon.tech, probb@iol.unh.edu, paul.szczepanek@arm.com, yoan.picchi@foss.arm.com, jspewock@iol.unh.edu, bruce.richardson@intel.com, luca.vizzarro@arm.com Cc: dev@dpdk.org, Dean Marx Subject: [PATCH v4 2/3] dts: initial queue start/stop suite implementation Date: Fri, 28 Jun 2024 12:19:29 -0400 Message-ID: <20240628161930.15915-2-dmarx@iol.unh.edu> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240628161930.15915-1-dmarx@iol.unh.edu> References: <20240617194638.12926-2-dmarx@iol.unh.edu> <20240628161930.15915-1-dmarx@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 This suite tests the ability of the Poll Mode Driver to enable and disable Rx/Tx queues on a port. Signed-off-by: Dean Marx --- dts/tests/TestSuite_queue_start_stop.py | 95 +++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 dts/tests/TestSuite_queue_start_stop.py diff --git a/dts/tests/TestSuite_queue_start_stop.py b/dts/tests/TestSuite_queue_start_stop.py new file mode 100644 index 0000000000..48306cf03c --- /dev/null +++ b/dts/tests/TestSuite_queue_start_stop.py @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2024 University of New Hampshire + +"""Rx/Tx queue start and stop functionality suite. + +This suite tests the ability of the poll mode driver to start and +stop either the Rx or Tx queue (depending on the port) during runtime, +and verify that packets are not received when one is disabled. + +Given a paired port topology, the Rx queue will be disabled on port 0, +and the Tx queue will be disabled on port 1. + +""" + +from scapy.layers.inet import IP # type: ignore[import] +from scapy.layers.l2 import Ether # type: ignore[import] +from scapy.packet import Raw # type: ignore[import] + +from framework.remote_session.testpmd_shell import SimpleForwardingModes, TestPmdShell +from framework.test_suite import TestSuite + + +class TestQueueStartStop(TestSuite): + """DPDK Queue start/stop test suite. + + Ensures Rx/Tx queue on a port can be disabled and enabled. + Verifies packets are not received when either queue is disabled. + The suite contains two test cases, Rx queue start/stop and + Tx queue start/stop, which each disable the corresponding + queue and verify that packets are not received/forwarded. + """ + + def set_up_suite(self) -> None: + """Set up the test suite. + + Setup: + Verify that at least two ports are open for session. + """ + self.verify(len(self._port_links) > 1, "Not enough ports") + + def send_packet_and_verify(self, should_receive: bool = True): + """Generate a packet, send to the DUT, and verify it is forwarded back. + + Args: + should_receive: Indicate whether the packet should be received. + queue_type: Indicate which port should be verified (True for Rx, False for Tx.) + """ + packet = Ether() / IP() / Raw(load="xxxxx") + received = self.send_packet_and_capture(packet) + contains_packet = any( + packet.haslayer(Raw) and b"xxxxx" in packet.load for packet in received + ) + self.verify( + should_receive == contains_packet, + f"Packet was {'dropped' if should_receive else 'received'}", + ) + + def test_rx_queue_start_stop(self) -> None: + """Verify packets are not received by port 0 when Rx queue is disabled. + + Test: + Create an interactive testpmd session, stop Rx queue on port 0, verify + packets are not received. + """ + testpmd = TestPmdShell(node=self.sut_node) + testpmd.set_forward_mode(SimpleForwardingModes.mac) + testpmd.stop_port_queue(0, 0, True) + + testpmd.start() + self.send_packet_and_verify(should_receive=False) + stats = testpmd.show_port_stats(port_id=0) + self.verify( + stats.rx_packets == 0, + "Packets were received on Rx queue when it should've been disabled", + ) + testpmd.close() + + def test_tx_queue_start_stop(self) -> None: + """Verify packets are not forwarded by port 1 when Tx queue is disabled. + + Test: + Create an interactive testpmd session, stop Tx queue on port 1, verify + packets are not forwarded. + """ + testpmd = TestPmdShell(node=self.sut_node) + testpmd.set_forward_mode(SimpleForwardingModes.mac) + testpmd.stop_port_queue(1, 0, False) + testpmd.start() + self.send_packet_and_verify(should_receive=False) + stats = testpmd.show_port_stats(port_id=1) + self.verify( + stats.tx_packets == 0, + "Packets were forwarded on Tx queue when it should've been disabled", + ) + testpmd.close() -- 2.44.0