DPDK patches and discussions
 help / color / mirror / Atom feed
From: Dean Marx <dmarx@iol.unh.edu>
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 <dmarx@iol.unh.edu>
Subject: [PATCH v9 2/2] dts: initial queue start/stop suite implementation
Date: Wed,  7 Aug 2024 15:36:11 -0400	[thread overview]
Message-ID: <20240807193611.23060-3-dmarx@iol.unh.edu> (raw)
In-Reply-To: <20240807193611.23060-1-dmarx@iol.unh.edu>

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 <dmarx@iol.unh.edu>
---
 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",
+            )
-- 
2.44.0


  parent reply	other threads:[~2024-08-07 19:36 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-17 19:46 [PATCH v2 0/3] dts: queue start/stop suite Dean Marx
2024-06-17 19:46 ` [PATCH v2 1/3] dts: initial queue start/stop suite implementation Dean Marx
2024-06-21 21:27   ` Jeremy Spewock
2024-06-17 19:46 ` [PATCH v2 2/3] dts: added promisc/verbose func to testpmd shell Dean Marx
2024-06-21 21:28   ` Jeremy Spewock
2024-06-17 19:46 ` [PATCH v2 3/3] dts: queue suite conf schema Dean Marx
2024-06-21 21:28   ` Jeremy Spewock
2024-06-21 21:27 ` [PATCH v2 0/3] dts: queue start/stop suite Jeremy Spewock
2024-06-26 13:51 ` [PATCH v3 1/3] dts: initial queue start/stop suite implementation Dean Marx
2024-06-26 13:51   ` [PATCH v3 2/3] dts: add functions to testpmd shell Dean Marx
2024-06-26 19:51     ` Jeremy Spewock
2024-06-26 13:51   ` [PATCH v3 3/3] dts: queue suite conf schema Dean Marx
2024-06-26 19:51     ` Jeremy Spewock
2024-06-26 19:50   ` [PATCH v3 1/3] dts: initial queue start/stop suite implementation Jeremy Spewock
2024-06-28 16:19 ` [PATCH v4 1/3] dts: add functions to testpmd shell Dean Marx
2024-06-28 16:19   ` [PATCH v4 2/3] dts: initial queue start/stop suite implementation Dean Marx
2024-07-01 20:17     ` Jeremy Spewock
2024-06-28 16:19   ` [PATCH v4 3/3] dts: queue suite conf schema Dean Marx
2024-07-01 20:17   ` [PATCH v4 1/3] dts: add functions to testpmd shell Jeremy Spewock
2024-07-03 18:08 ` [PATCH v5 " Dean Marx
2024-07-03 18:08   ` [PATCH v5 2/3] dts: initial queue start/stop suite implementation Dean Marx
2024-07-10 15:36     ` Jeremy Spewock
2024-07-03 18:08   ` [PATCH v5 3/3] dts: queue suite conf schema Dean Marx
2024-07-10 15:37     ` Jeremy Spewock
2024-07-10 15:36   ` [PATCH v5 1/3] dts: add functions to testpmd shell Jeremy Spewock
2024-07-10 16:01 ` [PATCH v6 " Dean Marx
2024-07-10 16:01   ` [PATCH v6 2/3] dts: initial queue start/stop suite implementation Dean Marx
2024-07-11 13:58     ` Jeremy Spewock
2024-07-10 16:01   ` [PATCH v6 3/3] dts: queue suite conf schema Dean Marx
2024-07-11 13:59   ` [PATCH v6 1/3] dts: add functions to testpmd shell Jeremy Spewock
2024-07-17 20:23 ` [PATCH v7 " Dean Marx
2024-07-17 20:23   ` [PATCH v7 2/3] dts: initial queue start/stop suite implementation Dean Marx
2024-07-19 13:34     ` Jeremy Spewock
2024-07-23 17:04       ` Adam Hassick
2024-07-17 20:23   ` [PATCH v7 3/3] dts: queue suite conf schema Dean Marx
2024-07-19 13:34     ` Jeremy Spewock
2024-07-19 13:34   ` [PATCH v7 1/3] dts: add functions to testpmd shell Jeremy Spewock
2024-07-24 18:32 ` [PATCH v8 0/3] dts: refactored queue start/stop suite Dean Marx
2024-07-24 18:32   ` [PATCH v8 1/3] dts: add functions to testpmd shell Dean Marx
2024-07-26 19:19     ` Jeremy Spewock
2024-07-24 18:32   ` [PATCH v8 2/3] dts: initial queue start/stop suite implementation Dean Marx
2024-07-26 19:19     ` Jeremy Spewock
2024-07-24 18:32   ` [PATCH v8 3/3] dts: queue suite conf schema Dean Marx
2024-07-26 19:19     ` Jeremy Spewock
2024-08-07 19:36   ` [PATCH v9 0/2] dts: refactored queue start/stop suite Dean Marx
2024-08-07 19:36     ` [PATCH v9 1/2] dts: add functions to testpmd shell Dean Marx
2024-08-09 15:51       ` Jeremy Spewock
2024-08-07 19:36     ` Dean Marx [this message]
2024-08-09 15:52       ` [PATCH v9 2/2] dts: initial queue start/stop suite implementation Jeremy Spewock
2024-10-08 21:48     ` [PATCH v10 0/1] dts: port over queue start/stop suite Dean Marx
2024-10-08 21:48       ` [PATCH v10] " Dean Marx

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240807193611.23060-3-dmarx@iol.unh.edu \
    --to=dmarx@iol.unh.edu \
    --cc=Honnappa.Nagarahalli@arm.com \
    --cc=dev@dpdk.org \
    --cc=jspewock@iol.unh.edu \
    --cc=juraj.linkes@pantheon.tech \
    --cc=luca.vizzarro@arm.com \
    --cc=npratte@iol.unh.edu \
    --cc=paul.szczepanek@arm.com \
    --cc=probb@iol.unh.edu \
    --cc=yoan.picchi@foss.arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).