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 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)(const struct net *net);
32 int (*fib_dump)(struct net *net, struct notifier_block *nb,
33 struct netlink_ext_ack *extack);
34 struct module *owner;
35 struct rcu_head rcu;
36};
37
38int call_fib_notifier(struct notifier_block *nb,
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 net *net, struct notifier_block *nb,
44 void (*cb)(struct notifier_block *nb),
45 struct netlink_ext_ack *extack);
46int unregister_fib_notifier(struct net *net, struct notifier_block *nb);
47struct fib_notifier_ops *
48fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net);
49void fib_notifier_ops_unregister(struct fib_notifier_ops *ops);
50
51#endif
52