#!/bin/bash# SPDX-License-Identifier: GPL-2.0-only source ethtool-common.sh # Bail if ethtool is too oldif ! ethtool -h | grep include-stat 2>&1 >/dev/null; then    echo "SKIP: No --include-statistics support in ethtool"    exit 4fi NSIM_NETDEV=$(make_netdev) set -o pipefail echo n > $NSIM_DEV_DFS/ethtool/pause/report_stats_txecho n > $NSIM_DEV_DFS/ethtool/pause/report_stats_rx s=$(ethtool --json -a $NSIM_NETDEV | jq '.[].statistics')check $? "$s" "null" s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics')check $? "$s" "{}" echo y > $NSIM_DEV_DFS/ethtool/pause/report_stats_tx s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics | length')check $? "$s" "1" s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics.tx_pause_frames')check $? "$s" "2" echo y > $NSIM_DEV_DFS/ethtool/pause/report_stats_rx s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics | length')check $? "$s" "2" s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics.rx_pause_frames')check $? "$s" "1"s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics.tx_pause_frames')check $? "$s" "2" if [ $num_errors -eq 0 ]; then    echo "PASSED all $((num_passes)) checks"    exit 0else    echo "FAILED $num_errors/$((num_errors+num_passes)) checks"    exit 1fi