1 #include <linux/notifier.h>
2 #include <linux/socket.h>
3 #include <linux/kernel.h>
4 #include <linux/export.h>
5 #include <net/net_namespace.h>
6 #include <net/fib_notifier.h>
7 #include <net/netns/ipv6.h>
8 #include <net/ip6_fib.h>
9
10 int call_fib6_notifier(struct notifier_block *nb, struct net *net,
11 enum fib_event_type event_type,
12 struct fib_notifier_info *info)
13 {
14 info->family = AF_INET6;
15 return call_fib_notifier(nb, net, event_type, info);
16 }
17
18 int call_fib6_notifiers(struct net *net, enum fib_event_type event_type,
19 struct fib_notifier_info *info)
20 {
21 info->family = AF_INET6;
22 return call_fib_notifiers(net, event_type, info);
23 }
24
25 static unsigned int fib6_seq_read(struct net *net)
26 {
27 return fib6_tables_seq_read(net) + fib6_rules_seq_read(net);
28 }
29
30 static int fib6_dump(struct net *net, struct notifier_block *nb)
31 {
32 int err;
33
34 err = fib6_rules_dump(net, nb);
35 if (err)
36 return err;
37
38 return fib6_tables_dump(net, nb);
39 }
40
41 static const struct fib_notifier_ops fib6_notifier_ops_template = {
42 .family = AF_INET6,
43 .fib_seq_read = fib6_seq_read,
44 .fib_dump = fib6_dump,
45 .owner = THIS_MODULE,
46 };
47
48 int __net_init fib6_notifier_init(struct net *net)
49 {
50 struct fib_notifier_ops *ops;
51
52 ops = fib_notifier_ops_register(&fib6_notifier_ops_template, net);
53 if (IS_ERR(ops))
54 return PTR_ERR(ops);
55 net->ipv6.notifier_ops = ops;
56
57 return 0;
58 }
59
60 void __net_exit fib6_notifier_exit(struct net *net)
61 {
62 fib_notifier_ops_unregister(net->ipv6.notifier_ops);
63 }
64
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.