#ifndef __NET_FIB_NOTIFIER_H#define __NET_FIB_NOTIFIER_H #include <linux/types.h>#include <linux/notifier.h>#include <net/net_namespace.h> struct module; struct fib_notifier_info {	int family;	struct netlink_ext_ack  *extack;}; enum fib_event_type {	FIB_EVENT_ENTRY_REPLACE,	FIB_EVENT_ENTRY_APPEND,	FIB_EVENT_ENTRY_ADD,	FIB_EVENT_ENTRY_DEL,	FIB_EVENT_RULE_ADD,	FIB_EVENT_RULE_DEL,	FIB_EVENT_NH_ADD,	FIB_EVENT_NH_DEL,	FIB_EVENT_VIF_ADD,	FIB_EVENT_VIF_DEL,}; struct fib_notifier_ops {	int family;	struct list_head list;	unsigned int (*fib_seq_read)(const struct net *net);	int (*fib_dump)(struct net *net, struct notifier_block *nb,			struct netlink_ext_ack *extack);	struct module *owner;	struct rcu_head rcu;}; int call_fib_notifier(struct notifier_block *nb,		      enum fib_event_type event_type,		      struct fib_notifier_info *info);int call_fib_notifiers(struct net *net, enum fib_event_type event_type,		       struct fib_notifier_info *info);int register_fib_notifier(struct net *net, struct notifier_block *nb,			  void (*cb)(struct notifier_block *nb),			  struct netlink_ext_ack *extack);int unregister_fib_notifier(struct net *net, struct notifier_block *nb);struct fib_notifier_ops *fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net);void fib_notifier_ops_unregister(struct fib_notifier_ops *ops); #endif