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