swh:1:snp:baebc2109e4a2ec22a1129a3859647e191d04df4
Tip revision: 7408f1ede24c7a018f0884683e39aaf1b1707198 authored by Ben Hutchings on 22 December 2017, 14:12:23 UTC
Synthetic revision for Debian source package linux version 4.14.7-1
Synthetic revision for Debian source package linux version 4.14.7-1
Tip revision: 7408f1e
netdev-notifier-error-inject.c
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include "notifier-error-inject.h"
static int priority;
module_param(priority, int, 0);
MODULE_PARM_DESC(priority, "specify netdevice notifier priority");
static struct notifier_err_inject netdev_notifier_err_inject = {
.actions = {
{ NOTIFIER_ERR_INJECT_ACTION(NETDEV_REGISTER) },
{ NOTIFIER_ERR_INJECT_ACTION(NETDEV_CHANGEMTU) },
{ NOTIFIER_ERR_INJECT_ACTION(NETDEV_CHANGENAME) },
{ NOTIFIER_ERR_INJECT_ACTION(NETDEV_PRE_UP) },
{ NOTIFIER_ERR_INJECT_ACTION(NETDEV_PRE_TYPE_CHANGE) },
{ NOTIFIER_ERR_INJECT_ACTION(NETDEV_POST_INIT) },
{ NOTIFIER_ERR_INJECT_ACTION(NETDEV_PRECHANGEMTU) },
{ NOTIFIER_ERR_INJECT_ACTION(NETDEV_PRECHANGEUPPER) },
{ NOTIFIER_ERR_INJECT_ACTION(NETDEV_CHANGEUPPER) },
{}
}
};
static struct dentry *dir;
static int netdev_err_inject_init(void)
{
int err;
dir = notifier_err_inject_init("netdev", notifier_err_inject_dir,
&netdev_notifier_err_inject, priority);
if (IS_ERR(dir))
return PTR_ERR(dir);
err = register_netdevice_notifier(&netdev_notifier_err_inject.nb);
if (err)
debugfs_remove_recursive(dir);
return err;
}
static void netdev_err_inject_exit(void)
{
unregister_netdevice_notifier(&netdev_notifier_err_inject.nb);
debugfs_remove_recursive(dir);
}
module_init(netdev_err_inject_init);
module_exit(netdev_err_inject_exit);
MODULE_DESCRIPTION("Netdevice notifier error injection module");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Nikolay Aleksandrov <razor@blackwall.org>");