| #!/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/ | |
| } |