On Wed, Feb 25, 2026 at 1:33 PM Andrew Bailey <[email protected]> wrote:
>
> This commit ports the speed capabilities test suite from old DTS to next
> DTS.
>
> Bugzilla ID: 1494
>
> Signed-off-by: Andrew Bailey <[email protected]>
> ---
> .../tests.TestSuite_speed_capabilities.rst | 8 +++
> dts/configurations/tests_config.example.yaml | 4 ++
> dts/tests/TestSuite_speed_capabilities.py | 54 +++++++++++++++++++
> 3 files changed, 66 insertions(+)
> create mode 100644 doc/api/dts/tests.TestSuite_speed_capabilities.rst
> create mode 100644 dts/tests/TestSuite_speed_capabilities.py
>
> diff --git a/doc/api/dts/tests.TestSuite_speed_capabilities.rst
> b/doc/api/dts/tests.TestSuite_speed_capabilities.rst
> new file mode 100644
> index 0000000000..de6dc42757
> --- /dev/null
> +++ b/doc/api/dts/tests.TestSuite_speed_capabilities.rst
> @@ -0,0 +1,8 @@
> +.. SPDX-License-Identifier: BSD-3-Clause
> +
> +speed_capabilities Test Suite
> +=============================
> +
> +.. automodule:: tests.TestSuite_speed_capabilities
> + :members:
> + :show-inheritance:
> diff --git a/dts/configurations/tests_config.example.yaml
> b/dts/configurations/tests_config.example.yaml
> index 64fa630aa0..bdc4c49a1c 100644
> --- a/dts/configurations/tests_config.example.yaml
> +++ b/dts/configurations/tests_config.example.yaml
> @@ -15,3 +15,7 @@ hello_world:
> # num_descriptors: 1024
> # expected_mpps: 1.0
> # delta_tolerance: 0.05
> +# port_speed_capabilities:
> +# test_parameters:
> +# 0 : 100 Gbps # set link speed according to your expected speed in Gbps
> +# 1 : 100 Gbps
Can you add a comment indicating that the keys are in reference to the
port number?
> \ No newline at end of file
> diff --git a/dts/tests/TestSuite_speed_capabilities.py
> b/dts/tests/TestSuite_speed_capabilities.py
> new file mode 100644
> index 0000000000..9ab488ab1b
> --- /dev/null
> +++ b/dts/tests/TestSuite_speed_capabilities.py
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: BSD-3-Clause
> +# Copyright(c) 2026 University of New Hampshire
> +
> +"""Speed capability test suite.
> +
> +This test suite ensures that testpmd recognizes the expected speed from a
> link in Gbps.
> +"""
> +
> +from typing import Literal
> +
> +from api.capabilities import (
> + LinkTopology,
> + requires_link_topology,
> +)
> +from api.test import verify
> +from api.testpmd import TestPmd
> +from framework.test_suite import BaseConfig, TestSuite, func_test
> +
> +
> +class Config(BaseConfig):
> + """Performance test metrics."""
> +
> + test_parameters: dict[int, Literal["1 Gbps", "10 Gbps", "25 Gbps", "40
> Gbps", "100 Gbps"]] = {
Add 200 Gbps, 400, 800, 1600
> + 0: "100 Gbps",
> + }
> +
> +
> +@requires_link_topology(LinkTopology.ONE_LINK)
> +class TestSpeedCapabilities(TestSuite):
> + """Speed capabilities test suite."""
> +
> + config: Config
> +
> + def set_up_suite(self):
> + """Set up the test suite."""
> + self.test_parameters = self.config.test_parameters
> +
> + @func_test
> + def validate_port_speed(self) -> None:
> + """Validate expected port speed is also the observed port speed.
> +
> + Steps:
> + * Show port info for each available port
> +
> + Verify:
> + * The resulting link speeds are equal to the configured link
> speeds
> + """
> + with TestPmd() as testpmd:
> + for i, param in enumerate(self.test_parameters.items()):
> + link_speed = testpmd.show_port_info(i).link_speed
> + verify(
> + link_speed == param[1],
> + f"port {i} speed {link_speed} does not match configured
> '{param[1]}'",
> + )
> --
> 2.50.1
>
Reviewed-by: Patrick Robb <[email protected]>
