mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 02:56:50 +07:00
c39d0454ec
Since CHANGEUPPER can now fail, add support for it in the newly introduced netdev notifier error injection infrastructure. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
56 lines
1.5 KiB
C
56 lines
1.5 KiB
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>");
|