diff mbox series

[net-next,v4,2/3] selftests: nic_link_layer: Add selftest case for speed and duplex states

Message ID 20241114192545.1742514-3-mohan.prasad@microchip.com
State Accepted
Commit c087dc54394b3f8a2950007fb17a8937a38fe73a
Headers show
Series selftests: Add selftest for link layer and performance testing | expand

Commit Message

Mohan Prasad J Nov. 14, 2024, 7:25 p.m. UTC 
Add selftest case for testing the speed and duplex state of
local NIC driver and the partner based on the supported
link modes obtained from the ethtool. Speed and duplex states
are varied and verified using ethtool.

Signed-off-by: Mohan Prasad J <mohan.prasad@microchip.com>
---
 .../drivers/net/hw/nic_link_layer.py          | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/drivers/net/hw/nic_link_layer.py b/tools/testing/selftests/drivers/net/hw/nic_link_layer.py
index d8cc12e84..efd921180 100644
--- a/tools/testing/selftests/drivers/net/hw/nic_link_layer.py
+++ b/tools/testing/selftests/drivers/net/hw/nic_link_layer.py
@@ -76,6 +76,28 @@  def test_autonegotiation(cfg: object, link_config: LinkConfig, time_delay: int)
         time.sleep(time_delay)
         verify_autonegotiation(cfg, state, link_config)
 
+def test_network_speed(cfg: object, link_config: LinkConfig, time_delay: int) -> None:
+    _pre_test_checks(cfg, link_config)
+    common_link_modes = link_config.common_link_modes
+    if not common_link_modes:
+        KsftSkipEx("No common link modes exist")
+    speeds, duplex_modes = link_config.get_speed_duplex_values(common_link_modes)
+
+    if speeds and duplex_modes and len(speeds) == len(duplex_modes):
+        for idx in range(len(speeds)):
+            speed = speeds[idx]
+            duplex = duplex_modes[idx]
+            if not link_config.set_speed_and_duplex(speed, duplex):
+                raise KsftFailEx(f"Unable to set speed and duplex parameters for {cfg.ifname}")
+            time.sleep(time_delay)
+            if not link_config.verify_speed_and_duplex(speed, duplex):
+                raise KsftSkipEx(f"Error occurred while verifying speed and duplex states for interface {cfg.ifname}")
+    else:
+        if not speeds or not duplex_modes:
+            KsftSkipEx(f"No supported speeds or duplex modes found for interface {cfg.ifname}")
+        else:
+            KsftSkipEx("Mismatch in the number of speeds and duplex modes")
+
 def main() -> None:
     parser = argparse.ArgumentParser(description="Run basic link layer tests for NIC driver")
     parser.add_argument('--time-delay', type=int, default=8, help='Time taken to wait for transitions to happen(in seconds). Default is 8 seconds.')