Commit | Line | Data |
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16ab6d7d IS |
1 | #include <linux/notifier.h> |
2 | #include <linux/socket.h> | |
3 | #include <linux/kernel.h> | |
864150df | 4 | #include <linux/export.h> |
16ab6d7d IS |
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 | ||
7c550daf | 10 | int call_fib6_notifier(struct notifier_block *nb, |
16ab6d7d IS |
11 | enum fib_event_type event_type, |
12 | struct fib_notifier_info *info) | |
13 | { | |
14 | info->family = AF_INET6; | |
7c550daf | 15 | return call_fib_notifier(nb, event_type, info); |
16ab6d7d IS |
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 | { | |
e1ee0a5b | 27 | return fib6_tables_seq_read(net) + fib6_rules_seq_read(net); |
16ab6d7d IS |
28 | } |
29 | ||
b7a59557 JP |
30 | static int fib6_dump(struct net *net, struct notifier_block *nb, |
31 | struct netlink_ext_ack *extack) | |
16ab6d7d | 32 | { |
e1ee0a5b IS |
33 | int err; |
34 | ||
b7a59557 | 35 | err = fib6_rules_dump(net, nb, extack); |
e1ee0a5b IS |
36 | if (err) |
37 | return err; | |
38 | ||
b7a59557 | 39 | return fib6_tables_dump(net, nb, extack); |
16ab6d7d IS |
40 | } |
41 | ||
42 | static const struct fib_notifier_ops fib6_notifier_ops_template = { | |
43 | .family = AF_INET6, | |
44 | .fib_seq_read = fib6_seq_read, | |
45 | .fib_dump = fib6_dump, | |
864150df | 46 | .owner = THIS_MODULE, |
16ab6d7d IS |
47 | }; |
48 | ||
49 | int __net_init fib6_notifier_init(struct net *net) | |
50 | { | |
51 | struct fib_notifier_ops *ops; | |
52 | ||
53 | ops = fib_notifier_ops_register(&fib6_notifier_ops_template, net); | |
54 | if (IS_ERR(ops)) | |
55 | return PTR_ERR(ops); | |
56 | net->ipv6.notifier_ops = ops; | |
57 | ||
58 | return 0; | |
59 | } | |
60 | ||
61 | void __net_exit fib6_notifier_exit(struct net *net) | |
62 | { | |
63 | fib_notifier_ops_unregister(net->ipv6.notifier_ops); | |
64 | } |