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 | |
8 | struct module; |
9 | |
10 | struct fib_notifier_info { |
11 | int family; |
12 | struct netlink_ext_ack *extack; |
13 | }; |
14 | |
15 | enum 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 | |
28 | struct 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 netlink_ext_ack *extack); |
34 | struct module *owner; |
35 | struct rcu_head rcu; |
36 | }; |
37 | |
38 | int call_fib_notifier(struct notifier_block *nb, |
39 | enum fib_event_type event_type, |
40 | struct fib_notifier_info *info); |
41 | int call_fib_notifiers(struct net *net, enum fib_event_type event_type, |
42 | struct fib_notifier_info *info); |
43 | int register_fib_notifier(struct net *net, struct notifier_block *nb, |
44 | void (*cb)(struct notifier_block *nb), |
45 | struct netlink_ext_ack *extack); |
46 | int unregister_fib_notifier(struct net *net, struct notifier_block *nb); |
47 | struct fib_notifier_ops * |
48 | fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net); |
49 | void fib_notifier_ops_unregister(struct fib_notifier_ops *ops); |
50 | |
51 | #endif |
52 | |