Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
#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>");
|