cregit-Linux how code gets into the kernel

Release 4.14 lib/netdev-notifier-error-inject.c

Directory: lib
#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; }

Contributors

PersonTokensPropCommitsCommitProp
Nikolay Aleksandrov60100.00%1100.00%
Total60100.00%1100.00%


static void netdev_err_inject_exit(void) { unregister_netdevice_notifier(&netdev_notifier_err_inject.nb); debugfs_remove_recursive(dir); }

Contributors

PersonTokensPropCommitsCommitProp
Nikolay Aleksandrov21100.00%1100.00%
Total21100.00%1100.00%

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>");

Overall Contributors

PersonTokensPropCommitsCommitProp
Nikolay Aleksandrov21496.83%150.00%
Ido Schimmel73.17%150.00%
Total221100.00%2100.00%
Directory: lib
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