#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