1#ifndef __NET_FIB_NOTIFIER_H
 2#define __NET_FIB_NOTIFIER_H
 3
 4#include <linux/types.h>
 5#include <linux/notifier.h>
 6#include <net/net_namespace.h>
 7
 8struct module;
 9
10struct fib_notifier_info {
11	struct net *net;
12	int family;
13	struct netlink_ext_ack  *extack;
14};
15
16enum fib_event_type {
17	FIB_EVENT_ENTRY_REPLACE,
18	FIB_EVENT_ENTRY_APPEND,
19	FIB_EVENT_ENTRY_ADD,
20	FIB_EVENT_ENTRY_DEL,
21	FIB_EVENT_RULE_ADD,
22	FIB_EVENT_RULE_DEL,
23	FIB_EVENT_NH_ADD,
24	FIB_EVENT_NH_DEL,
25	FIB_EVENT_VIF_ADD,
26	FIB_EVENT_VIF_DEL,
27};
28
29struct fib_notifier_ops {
30	int family;
31	struct list_head list;
32	unsigned int (*fib_seq_read)(struct net *net);
33	int (*fib_dump)(struct net *net, struct notifier_block *nb);
34	struct module *owner;
35	struct rcu_head rcu;
36};
37
38int call_fib_notifier(struct notifier_block *nb, struct net *net,
39		      enum fib_event_type event_type,
40		      struct fib_notifier_info *info);
41int call_fib_notifiers(struct net *net, enum fib_event_type event_type,
42		       struct fib_notifier_info *info);
43int register_fib_notifier(struct notifier_block *nb,
44			  void (*cb)(struct notifier_block *nb));
45int unregister_fib_notifier(struct notifier_block *nb);
46struct fib_notifier_ops *
47fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net);
48void fib_notifier_ops_unregister(struct fib_notifier_ops *ops);
49
50#endif