From patchwork Wed Aug 7 19:36:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dean Marx X-Patchwork-Id: 143005 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 AB98545760; Wed, 7 Aug 2024 21:36:07 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3F3D940E96; Wed, 7 Aug 2024 21:36:04 +0200 (CEST) Received: from mail-ot1-f42.google.com (mail-ot1-f42.google.com [209.85.210.42]) by mails.dpdk.org (Postfix) with ESMTP id DF49A40E27 for ; Wed, 7 Aug 2024 21:36:02 +0200 (CEST) Received: by mail-ot1-f42.google.com with SMTP id 46e09a7af769-70949118d26so144276a34.0 for ; Wed, 07 Aug 2024 12:36:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iol.unh.edu; s=unh-iol; t=1723059362; x=1723664162; 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=33a09v4tgzV7j4J6QBAcsyQUZ8bWdNYAEoE34nn8vbQ=; b=AGSRsyV69dW0naGDA7V2sz2nKmfTz1fK1AIy8XakKC5pH5fPvu2ImBGJdW3QPahT7K Nb4Lfovnq7+2Uhn5scYn5MDqFnVNfZky70JWU821eRQBJHVXCwSvUbf90kqybTO4QATz y5oT617SFxwTC4cl/+I7WjmttaWrR8LXzgP9Y= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723059362; x=1723664162; 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=33a09v4tgzV7j4J6QBAcsyQUZ8bWdNYAEoE34nn8vbQ=; b=S1d23p4DZdXoLpePS8LG5HvGzHi0IuKvhaMk4PqdgRcrMGTGPaak1JsCoyXHdPthNL +OM92JhlrVnlKKa9+rypQsFRE84wP7GEirJoq2+PSTsEa3OZ2ztsfK5gprTGYVXfOnib qnYZkTzTCq1BqK3J+9oTXkuashLYeWSbeGVxEpZu62PyPmkFtzaPsUl3CFxX+pRKX+dU OeEpZJl8srjFfT4178e+Sc+Ij0vHJuJ6ukx2YYtWzjFEBNOTtvhzoFYH0kKe4OV40PKv G6WMCNN5ecGUkzzN/1u7YNkVdIZ7MjSjl1c7YHUUKwErLfB+TVVKNfUACQVT+bUF2UoQ G3gA== X-Gm-Message-State: AOJu0YxHRD5GcuckbBg8bE5N1ISc9j57AgpjoTBPjkMUWVMoVRuO00vX CKGoTqFmJxMMUgFcbx8sD1nnL1xM/dqYJjSMdsC3koDbfx6PwP0t5H82pC7JlNg= X-Google-Smtp-Source: AGHT+IETwFxTois/AR1nDtCGLU0ZKK6Wm6zgr2kDl9+vAddeljl8NUOaB93Lq+RUAd17EVhVc/MCIA== X-Received: by 2002:a05:6830:6403:b0:709:483e:7033 with SMTP id 46e09a7af769-709aa004674mr29447419a34.3.1723059361942; Wed, 07 Aug 2024 12:36:01 -0700 (PDT) Received: from dean-laptop.iol.unh.edu ([2606:4100:3880:1271:f9bd:24da:464d:6294]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6bb9c78ecc7sm59757536d6.35.2024.08.07.12.36.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Aug 2024 12:36:01 -0700 (PDT) From: Dean Marx To: probb@iol.unh.edu, npratte@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, Dean Marx Subject: [PATCH v9 1/2] dts: add functions to testpmd shell Date: Wed, 7 Aug 2024 15:36:10 -0400 Message-ID: <20240807193611.23060-2-dmarx@iol.unh.edu> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240807193611.23060-1-dmarx@iol.unh.edu> References: <20240724183209.11192-1-dmarx@iol.unh.edu> <20240807193611.23060-1-dmarx@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 added set promisc, set verbose, and port stop commands to testpmd shell. Signed-off-by: Dean Marx Reviewed-by: Jeremy Spewock --- dts/framework/remote_session/testpmd_shell.py | 232 +++++++++++++++++- 1 file changed, 231 insertions(+), 1 deletion(-) diff --git a/dts/framework/remote_session/testpmd_shell.py b/dts/framework/remote_session/testpmd_shell.py index eda6eb320f..bbc495bdba 100644 --- a/dts/framework/remote_session/testpmd_shell.py +++ b/dts/framework/remote_session/testpmd_shell.py @@ -19,7 +19,7 @@ from dataclasses import dataclass, field from enum import Flag, auto from pathlib import PurePath -from typing import ClassVar +from typing import ClassVar, cast from typing_extensions import Self, Unpack @@ -577,6 +577,56 @@ class TestPmdPortStats(TextParser): tx_bps: int = field(metadata=TextParser.find_int(r"Tx-bps:\s+(\d+)")) +@dataclass +class TestPmdPortQueue(TextParser): + """Dataclass representation of the common parts of the testpmd `show rxq/txq info` commands.""" + + #: + prefetch_threshold: int = field(metadata=TextParser.find_int(r"prefetch threshold: (\d+)")) + #: + host_threshold: int = field(metadata=TextParser.find_int(r"host threshold: (\d+)")) + #: + writeback_threshold: int = field(metadata=TextParser.find_int(r"writeback threshold: (\d+)")) + #: + free_threshold: int = field(metadata=TextParser.find_int(r"free threshold: (\d+)")) + #: + deferred_start: bool = field(metadata=TextParser.find("deferred start: on")) + #: The number of RXD/TXDs is just the ring size of the queue. + ring_size: int = field(metadata=TextParser.find_int(r"Number of (?:RXDs|TXDs): (\d+)")) + #: + is_queue_started: bool = field(metadata=TextParser.find("queue state: started")) + #: + burst_mode: str | None = field( + default=None, metadata=TextParser.find(r"Burst mode: ([^\r\n]+)") + ) + + +@dataclass +class TestPmdTxPortQueue(TestPmdPortQueue): + """Dataclass representation for testpmd `show txq info` command.""" + + #: + rs_threshold: int | None = field( + default=None, metadata=TextParser.find_int(r"RS threshold: (\d+)") + ) + + +@dataclass +class TestPmdRxPortQueue(TestPmdPortQueue): + """Dataclass representation for testpmd `show rxq info` command.""" + + #: + mempool: str | None = field(default=None, metadata=TextParser.find(r"Mempool: ([^\r\n]+)")) + #: + can_drop_packets: bool | None = field( + default=None, metadata=TextParser.find(r"drop packets: on") + ) + #: + is_scattering_packets: bool | None = field( + default=None, metadata=TextParser.find(r"scattered packets: on") + ) + + class TestPmdShell(DPDKShell): """Testpmd interactive shell. @@ -804,6 +854,186 @@ def show_port_stats(self, port_id: int) -> TestPmdPortStats: return TestPmdPortStats.parse(output) + def show_port_queue_info( + self, port_id: int, queue_id: int, is_rx_queue: bool + ) -> TestPmdPortQueue: + """Get the info for a queue on a given port. + + Args: + port_id: ID of the port where the queue resides. + queue_id: ID of the queue to query. + is_rx_queue: Whether to check an RX or TX queue. If :data:`True` an RX queue will be + queried, otherwise a TX queue will be queried. + + Raises: + InteractiveCommandExecutionError: If there is a failure when getting the info for the + queue. + + Returns: + Information about the queue on the given port. + """ + queue_type = "rxq" if is_rx_queue else "txq" + queue_info = self.send_command( + f"show {queue_type} info {port_id} {queue_id}", skip_first_line=True + ) + if queue_info.startswith("ETHDEV: Invalid"): + raise InteractiveCommandExecutionError( + f"Could not get the info for {queue_type} {queue_id} on port {port_id}" + ) + return ( + TestPmdRxPortQueue.parse(queue_info) + if is_rx_queue + else TestPmdTxPortQueue.parse(queue_info) + ) + + def show_port_rx_queue_info(self, port_id: int, queue_id: int) -> TestPmdRxPortQueue: + """Get port queue info and cast to :class:`TestPmdRxPortQueue`. + + Wrapper around :meth:`show_port_queue_info` that casts the more generic type into the + correct subclass. + + Args: + port_id: ID of the port where the queue resides. + queue_id: ID of the queue to query. + + Returns: + Information about the Rx queue on the given port. + """ + return cast(TestPmdRxPortQueue, self.show_port_queue_info(port_id, queue_id, True)) + + def show_port_tx_queue_info(self, port_id: int, queue_id: int) -> TestPmdTxPortQueue: + """Get port queue info and cast to :class:`TestPmdTxPortQueue`. + + Wrapper around :meth:`show_port_queue_info` that casts the more generic type into the + correct subclass. + + Args: + port_id: ID of the port where the queue resides. + queue_id: ID of the queue to query. + + Returns: + Information about the Tx queue on the given port. + """ + return cast(TestPmdTxPortQueue, self.show_port_queue_info(port_id, queue_id, False)) + + def stop_port_queue( + self, port_id: int, queue_id: int, is_rx_queue: bool, verify: bool = True + ) -> None: + """Stops a given queue on a port. + + Args: + port_id: ID of the port that the queue belongs to. + queue_id: ID of the queue to stop. + is_rx_queue: Type of queue to stop. If :data:`True` an RX queue will be stopped, + otherwise a TX queue will be stopped. + verify: If :data:`True` an additional command will be sent to verify the queue stopped. + Defaults to :data:`True`. + + Raises: + InteractiveCommandExecutionError: If `verify` is :data:`True` and the queue fails to + stop. + """ + port_type = "rxq" if is_rx_queue else "txq" + stop_cmd_output = self.send_command(f"port {port_id} {port_type} {queue_id} stop") + if verify: + if self.show_port_queue_info(port_id, queue_id, is_rx_queue).is_queue_started: + self._logger.debug( + f"Failed to stop {port_type} {queue_id} on port {port_id}:\n{stop_cmd_output}" + ) + raise InteractiveCommandExecutionError( + f"Test pmd failed to stop {port_type} {queue_id} on port {port_id}" + ) + + def start_port_queue( + self, port_id: int, queue_id: int, is_rx_queue: bool, verify: bool = True + ) -> None: + """Starts a given queue on a port. + + First sets up the port queue, then starts it. + + Args: + port_id: ID of the port that the queue belongs to. + queue_id: ID of the queue to start. + is_rx_queue: Type of queue to start. If :data:`True` an RX queue will be started, + otherwise a TX queue will be started. + verify: if :data:`True` an additional command will be sent to verify that the queue was + started. Defaults to :data:`True`. + + Raises: + InteractiveCommandExecutionError: If `verify` is :data:`True` and the queue fails to + start. + """ + port_type = "rxq" if is_rx_queue else "txq" + self.setup_port_queue(port_id, queue_id, is_rx_queue) + start_cmd_output = self.send_command(f"port {port_id} {port_type} {queue_id} start") + if verify: + if not self.show_port_queue_info(port_id, queue_id, is_rx_queue).is_queue_started: + self._logger.debug( + f"Failed to start {port_type} {queue_id} on port {port_id}:\n{start_cmd_output}" + ) + raise InteractiveCommandExecutionError( + f"Test pmd failed to start {port_type} {queue_id} on port {port_id}" + ) + + def setup_port_queue(self, port_id: int, queue_id: int, is_rx_queue: bool) -> None: + """Setup a given queue on a port. + + This functionality cannot be verified because the setup action only takes effect when the + queue is started. + + Args: + port_id: ID of the port where the queue resides. + queue_id: ID of the queue to setup. + is_rx_queue: Type of queue to setup. If :data:`True` an RX queue will be setup, + otherwise a TX queue will be setup. + """ + self.send_command(f"port {port_id} {'rxq' if is_rx_queue else 'txq'} {queue_id} setup") + + def set_promisc(self, port: int, on: bool, verify: bool = True) -> None: + """Turns promiscuous mode on/off for the specified port. + + Args: + port: Port number to use, should be within 0-32. + on: If :data:`True`, turn promisc mode on, otherwise turn off. + verify: If :data:`True` an additional command will be sent to verify that promisc mode + is properly set. Defaults to :data:`True`. + + Raises: + InteractiveCommandExecutionError: If `verify` is :data:`True` and promisc mode + is not correctly set. + """ + promisc_output = self.send_command(f"set promisc {port} {'on' if on else 'off'}") + if verify: + stats = self.show_port_info(port_id=port) + if on ^ stats.is_promiscuous_mode_enabled: + self._logger.debug(f"Failed to set promisc mode on port {port}: \n{promisc_output}") + raise InteractiveCommandExecutionError( + f"Testpmd failed to set promisc mode on port {port}." + ) + + def set_verbose(self, level: int, verify: bool = True) -> None: + """Set debug verbosity level. + + Args: + level: 0 - silent except for error + 1 - fully verbose except for Tx packets + 2 - fully verbose except for Rx packets + >2 - fully verbose + verify: if :data:`True` an additional command will be sent to verify that verbose level + is properly set. Defaults to :data:`True`. + + Raises: + InteractiveCommandExecutionError: If `verify` is :data:`True` and verbose level + is not correctly set. + """ + verbose_output = self.send_command(f"set verbose {level}") + if verify: + if "Change verbose level" not in verbose_output: + self._logger.debug(f"Failed to set verbose level to {level}: \n{verbose_output}") + raise InteractiveCommandExecutionError( + f"Testpmd failed to set verbose level to {level}." + ) + def _close(self) -> None: """Overrides :meth:`~.interactive_shell.close`.""" self.stop() From patchwork Wed Aug 7 19:36:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dean Marx X-Patchwork-Id: 143006 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 5C34645760; Wed, 7 Aug 2024 21:36:16 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E5E7B4113D; Wed, 7 Aug 2024 21:36:05 +0200 (CEST) Received: from mail-qv1-f53.google.com (mail-qv1-f53.google.com [209.85.219.53]) by mails.dpdk.org (Postfix) with ESMTP id 2AC3740E27 for ; Wed, 7 Aug 2024 21:36:04 +0200 (CEST) Received: by mail-qv1-f53.google.com with SMTP id 6a1803df08f44-6b5dfcfb165so1687566d6.0 for ; Wed, 07 Aug 2024 12:36:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iol.unh.edu; s=unh-iol; t=1723059363; x=1723664163; 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=hvMQ/JhzgtcsC6KtWk+vZQG8OZO7EdzJexOK4bU6b2k=; b=Cz6lA4WHmJW6uInZpOEyzyccBc2ibeVRfmJhfYNSIeOqg13JngaFfWYY07ZBKEtSyY ZVC03x6BLOlqD7Qb7yvMkXS9a5UvkQhnuR1zatVtHgN7Xi/vtzYOUVvWA/XJHd+2ZvCh Xizwms+QywrrvFE1HwVtQu8dE2TPMehQGvQjI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723059363; x=1723664163; 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=hvMQ/JhzgtcsC6KtWk+vZQG8OZO7EdzJexOK4bU6b2k=; b=hzttCi8BK9hsVwForpG3iXfSvQzJzlainMJ1h2CS81DjKhCTajXTJ21/4vXWNq5fp3 AqzpVqbvMhQThpsaxx+nYajzCIbOMiKP21cgAnDwPxElNwTuAMDM21zXDBX2cFe5d2oU wRQN1BwFVPC2xFez0aRFQJow13Adz/QmjU4Y2zTsPolyBQ7ezAToT/dHWbEUtGCVWdm/ j3KX4cquoiVI7LHHquBcUJNAUsPKq6jPrEcWJ20UADTmHHYLqY8d69PQcEVJznsu7zh0 7khn7AAL6mqt1OxgUejWux0OgURwg90ERBEwhm/X5XQ35iwwDNOqUyKSNL1VHJV+7VSt Ls8Q== X-Gm-Message-State: AOJu0YyCMPhkiWCSK6cLrDYVSR79ZD5bKJIEWOg2ISmByRKW/re6bvh5 As0JQ7jLeMUBSOzzlveQkTLvfbzAflCxEX6Qr/D7Ir1kOdl99pfyf19z0A8A0UA= X-Google-Smtp-Source: AGHT+IHontkZjhb1UBOHqhEMvxxdRJtdWRDyGzrVfDnIbfh3L1rlr8la5Tpd6+2I2IL9m53tvwgQEg== X-Received: by 2002:a05:6214:5546:b0:6b9:5d27:92 with SMTP id 6a1803df08f44-6bb983a96cemr237738286d6.8.1723059363456; Wed, 07 Aug 2024 12:36:03 -0700 (PDT) Received: from dean-laptop.iol.unh.edu ([2606:4100:3880:1271:f9bd:24da:464d:6294]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6bb9c78ecc7sm59757536d6.35.2024.08.07.12.36.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Aug 2024 12:36:02 -0700 (PDT) From: Dean Marx To: probb@iol.unh.edu, npratte@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, Dean Marx Subject: [PATCH v9 2/2] dts: initial queue start/stop suite implementation Date: Wed, 7 Aug 2024 15:36:11 -0400 Message-ID: <20240807193611.23060-3-dmarx@iol.unh.edu> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240807193611.23060-1-dmarx@iol.unh.edu> References: <20240724183209.11192-1-dmarx@iol.unh.edu> <20240807193611.23060-1-dmarx@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 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 Reviewed-by: Jeremy Spewock --- dts/framework/config/conf_yaml_schema.json | 3 +- dts/tests/TestSuite_queue_start_stop.py | 91 ++++++++++++++++++++++ 2 files changed, 93 insertions(+), 1 deletion(-) create mode 100644 dts/tests/TestSuite_queue_start_stop.py diff --git a/dts/framework/config/conf_yaml_schema.json b/dts/framework/config/conf_yaml_schema.json index f02a310bb5..9882ddb3d8 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", + "queue_start_stop" ] }, "test_target": { diff --git a/dts/tests/TestSuite_queue_start_stop.py b/dts/tests/TestSuite_queue_start_stop.py new file mode 100644 index 0000000000..7533f0b395 --- /dev/null +++ b/dts/tests/TestSuite_queue_start_stop.py @@ -0,0 +1,91 @@ +# 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-untyped] +from scapy.layers.l2 import Ether # type: ignore[import-untyped] +from scapy.packet import Raw # type: ignore[import-untyped] + +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) -> None: + """Generate a packet, send to the DUT, and verify it is forwarded back. + + Args: + should_receive: Indicate whether the packet should be received. + """ + 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. + """ + with TestPmdShell(node=self.sut_node) as testpmd: + 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", + ) + + 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. + """ + with TestPmdShell(node=self.sut_node) as testpmd: + 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", + )