name : ethtool-common.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0-only NSIM_ID=$((RANDOM % 1024)) NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID/ports/0 NSIM_NETDEV= num_passes=0 num_errors=0 function cleanup_nsim { if [ -e $NSIM_DEV_SYS ]; then echo $NSIM_ID > /sys/bus/netdevsim/del_device fi } function cleanup { cleanup_nsim } trap cleanup EXIT function check { local code=$1 local str=$2 local exp_str=$3 local exp_fail=$4 [ -z "$exp_fail" ] && cop="-ne" || cop="-eq" if [ $code $cop 0 ]; then ((num_errors++)) return fi if [ "$str" != "$exp_str" ]; then echo -e "Expected: '$exp_str', got '$str'" ((num_errors++)) return fi ((num_passes++)) } function make_netdev { # Make a netdevsim old_netdevs=$(ls /sys/class/net) if ! $(lsmod | grep -q netdevsim); then modprobe netdevsim fi echo $NSIM_ID $@ > /sys/bus/netdevsim/new_device udevadm settle # get new device name ls /sys/bus/netdevsim/devices/netdevsim${NSIM_ID}/net/ }