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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Test YNL ethtool functionality
# Load KTAP test helpers
KSELFTEST_KTAP_HELPERS="$(dirname "$(realpath "$0")")/../../../testing/selftests/kselftest/ktap_helpers.sh"
# shellcheck source=../../../testing/selftests/kselftest/ktap_helpers.sh
source "$KSELFTEST_KTAP_HELPERS"
# Default ynl-ethtool path for direct execution, can be overridden by make install
ynl_ethtool="../pyynl/ethtool.py"
readonly NSIM_ID="1337"
readonly NSIM_DEV_NAME="nsim${NSIM_ID}"
readonly VETH_A="veth_a"
readonly VETH_B="veth_b"
testns="ynl-ethtool-$(mktemp -u XXXXXX)"
TESTS_NO=0
# Uses veth device as netdevsim doesn't support basic ethtool device info
ethtool_device_info()
{
local info_output
info_output=$(ip netns exec "$testns" $ynl_ethtool "$VETH_A" 2>/dev/null)
if ! echo "$info_output" | grep -q "Settings for"; then
ktap_test_fail "YNL ethtool device info (device info output missing expected content)"
return
fi
ktap_test_pass "YNL ethtool device info"
}
TESTS_NO=$((TESTS_NO + 1))
ethtool_statistics()
{
local stats_output
stats_output=$(ip netns exec "$testns" $ynl_ethtool --statistics "$NSIM_DEV_NAME" 2>/dev/null)
if ! echo "$stats_output" | grep -q -E "(NIC statistics|packets|bytes)"; then
ktap_test_fail "YNL ethtool statistics (statistics output missing expected content)"
return
fi
ktap_test_pass "YNL ethtool statistics"
}
TESTS_NO=$((TESTS_NO + 1))
ethtool_ring_params()
{
local ring_output
ring_output=$(ip netns exec "$testns" $ynl_ethtool --show-ring "$NSIM_DEV_NAME" 2>/dev/null)
if ! echo "$ring_output" | grep -q -E "(Ring parameters|RX|TX)"; then
ktap_test_fail "YNL ethtool ring parameters (ring parameters output missing expected content)"
return
fi
if ! ip netns exec "$testns" $ynl_ethtool --set-ring "$NSIM_DEV_NAME" rx 64 2>/dev/null; then
ktap_test_fail "YNL ethtool ring parameters (set-ring command failed unexpectedly)"
return
fi
ktap_test_pass "YNL ethtool ring parameters (show/set)"
}
TESTS_NO=$((TESTS_NO + 1))
ethtool_coalesce_params()
{
if ! ip netns exec "$testns" $ynl_ethtool --show-coalesce "$NSIM_DEV_NAME" &>/dev/null; then
ktap_test_fail "YNL ethtool coalesce parameters (failed to get coalesce parameters)"
return
fi
if ! ip netns exec "$testns" $ynl_ethtool --set-coalesce "$NSIM_DEV_NAME" rx-usecs 50 2>/dev/null; then
ktap_test_fail "YNL ethtool coalesce parameters (set-coalesce command failed unexpectedly)"
return
fi
ktap_test_pass "YNL ethtool coalesce parameters (show/set)"
}
TESTS_NO=$((TESTS_NO + 1))
ethtool_pause_params()
{
if ! ip netns exec "$testns" $ynl_ethtool --show-pause "$NSIM_DEV_NAME" &>/dev/null; then
ktap_test_fail "YNL ethtool pause parameters (failed to get pause parameters)"
return
fi
if ! ip netns exec "$testns" $ynl_ethtool --set-pause "$NSIM_DEV_NAME" tx 1 rx 1 2>/dev/null; then
ktap_test_fail "YNL ethtool pause parameters (set-pause command failed unexpectedly)"
return
fi
ktap_test_pass "YNL ethtool pause parameters (show/set)"
}
TESTS_NO=$((TESTS_NO + 1))
ethtool_features_info()
{
local features_output
features_output=$(ip netns exec "$testns" $ynl_ethtool --show-features "$NSIM_DEV_NAME" 2>/dev/null)
if ! echo "$features_output" | grep -q -E "(Features|offload)"; then
ktap_test_fail "YNL ethtool features info (features output missing expected content)"
return
fi
ktap_test_pass "YNL ethtool features info (show/set)"
}
TESTS_NO=$((TESTS_NO + 1))
ethtool_channels_info()
{
local channels_output
channels_output=$(ip netns exec "$testns" $ynl_ethtool --show-channels "$NSIM_DEV_NAME" 2>/dev/null)
if ! echo "$channels_output" | grep -q -E "(Channel|Combined|RX|TX)"; then
ktap_test_fail "YNL ethtool channels info (channels output missing expected content)"
return
fi
if ! ip netns exec "$testns" $ynl_ethtool --set-channels "$NSIM_DEV_NAME" combined-count 1 2>/dev/null; then
ktap_test_fail "YNL ethtool channels info (set-channels command failed unexpectedly)"
return
fi
ktap_test_pass "YNL ethtool channels info (show/set)"
}
TESTS_NO=$((TESTS_NO + 1))
ethtool_time_stamping()
{
local ts_output
ts_output=$(ip netns exec "$testns" $ynl_ethtool --show-time-stamping "$NSIM_DEV_NAME" 2>/dev/null)
if ! echo "$ts_output" | grep -q -E "(Time stamping|timestamping|SOF_TIMESTAMPING)"; then
ktap_test_fail "YNL ethtool time stamping (time stamping output missing expected content)"
return
fi
ktap_test_pass "YNL ethtool time stamping"
}
TESTS_NO=$((TESTS_NO + 1))
setup()
{
modprobe netdevsim &> /dev/null
if ! [ -f /sys/bus/netdevsim/new_device ]; then
ktap_skip_all "netdevsim module not available"
exit "$KSFT_SKIP"
fi
if ! ip netns add "$testns" 2>/dev/null; then
ktap_skip_all "failed to create test namespace"
exit "$KSFT_SKIP"
fi
echo "$NSIM_ID 1" | ip netns exec "$testns" tee /sys/bus/netdevsim/new_device >/dev/null 2>&1 || {
ktap_skip_all "failed to create netdevsim device"
exit "$KSFT_SKIP"
}
local dev
dev=$(ip netns exec "$testns" ls /sys/bus/netdevsim/devices/netdevsim$NSIM_ID/net 2>/dev/null | head -1)
if [[ -z "$dev" ]]; then
ktap_skip_all "failed to find netdevsim device"
exit "$KSFT_SKIP"
fi
ip -netns "$testns" link set dev "$dev" name "$NSIM_DEV_NAME" 2>/dev/null || {
ktap_skip_all "failed to rename netdevsim device"
exit "$KSFT_SKIP"
}
ip -netns "$testns" link set dev "$NSIM_DEV_NAME" up 2>/dev/null
if ! ip -n "$testns" link add "$VETH_A" type veth peer name "$VETH_B" 2>/dev/null; then
ktap_skip_all "failed to create veth pair"
exit "$KSFT_SKIP"
fi
ip -n "$testns" link set "$VETH_A" up 2>/dev/null
ip -n "$testns" link set "$VETH_B" up 2>/dev/null
}
cleanup()
{
ip netns exec "$testns" bash -c "echo $NSIM_ID > /sys/bus/netdevsim/del_device" 2>/dev/null || true
ip netns del "$testns" 2>/dev/null || true
}
# Check if ynl-ethtool command is available
if ! command -v $ynl_ethtool &>/dev/null && [[ ! -x $ynl_ethtool ]]; then
ktap_skip_all "ynl-ethtool command not found: $ynl_ethtool"
exit "$KSFT_SKIP"
fi
trap cleanup EXIT
ktap_print_header
setup
ktap_set_plan "${TESTS_NO}"
ethtool_device_info
ethtool_statistics
ethtool_ring_params
ethtool_coalesce_params
ethtool_pause_params
ethtool_features_info
ethtool_channels_info
ethtool_time_stamping
ktap_finished
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