Commit c087dc54 authored by Mohan Prasad J's avatar Mohan Prasad J Committed by Paolo Abeni
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selftests: nic_link_layer: Add selftest case for speed and duplex states 



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: default avatarMohan Prasad J <mohan.prasad@microchip.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 6116075e

tools/testing/selftests/drivers/net/hw/nic_link_layer.py

+22 −0
Original line number Diff line number Diff line
@@ -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.')