Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0-only
3
4NSIM_ID=$((RANDOM % 1024))
5NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID
6NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID/ports/0
7NSIM_NETDEV=
8num_passes=0
9num_errors=0
10
11function cleanup_nsim {
12 if [ -e $NSIM_DEV_SYS ]; then
13 echo $NSIM_ID > /sys/bus/netdevsim/del_device
14 fi
15}
16
17function cleanup {
18 cleanup_nsim
19}
20
21trap cleanup EXIT
22
23function check {
24 local code=$1
25 local str=$2
26 local exp_str=$3
27
28 if [ $code -ne 0 ]; then
29 ((num_errors++))
30 return
31 fi
32
33 if [ "$str" != "$exp_str" ]; then
34 echo -e "Expected: '$exp_str', got '$str'"
35 ((num_errors++))
36 return
37 fi
38
39 ((num_passes++))
40}
41
42function make_netdev {
43 # Make a netdevsim
44 old_netdevs=$(ls /sys/class/net)
45
46 if ! $(lsmod | grep -q netdevsim); then
47 modprobe netdevsim
48 fi
49
50 echo $NSIM_ID > /sys/bus/netdevsim/new_device
51 # get new device name
52 ls /sys/bus/netdevsim/devices/netdevsim${NSIM_ID}/net/
53}