register pernet_operations nf_conntrack_net_proto_ipv6_ops
when loading nf_conntrack_ipv6 module,and unregister it when
removing.
Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx>
---
net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c | 48 ++++++++++++++++++++++++
1 files changed, 48 insertions(+), 0 deletions(-)
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 4111050..8c0456c 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -333,6 +333,43 @@ MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET6));
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yasuyuki KOZAKAI @USAGI <yasuyuki.kozakai@xxxxxxxxxxxxx>");
+static int nf_conntrack_net_proto_ipv6_init(struct net *net)
+{
+ int ret;
+
+ ret = nf_conntrack_proto_ipv6_tcp_init(net);
+ if (ret < 0)
+ return ret;
+
+ ret = nf_conntrack_proto_ipv6_udp_init(net);
+ if (ret < 0)
+ goto cleanup_tcp;
+
+ ret = nf_conntrack_proto_icmpv6_net_init(net);
+ if (ret < 0)
+ goto cleanup_udp;
+ return 0;
+ cleanup_udp:
+ nf_conntrack_proto_ipv6_udp_fini(net);
+
+ cleanup_tcp:
+ nf_conntrack_proto_ipv6_tcp_fini(net);
+
+ return ret;
+}
+
+static void nf_conntrack_net_proto_ipv6_fini(struct net *net)
+{
+ nf_conntrack_proto_icmpv6_net_fini(net);
+ nf_conntrack_proto_ipv6_udp_fini(net);
+ nf_conntrack_proto_ipv6_tcp_fini(net);
+}
+
+static struct pernet_operations nf_conntrack_net_proto_ipv6_ops = {
+ .init = nf_conntrack_net_proto_ipv6_init,
+ .exit = nf_conntrack_net_proto_ipv6_fini,
+};
+
static int __init nf_conntrack_l3proto_ipv6_init(void)
{
int ret = 0;
@@ -371,8 +408,18 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
"hook.\n");
goto cleanup_ipv6;
}
+
+ ret = register_pernet_subsys(&nf_conntrack_net_proto_ipv6_ops);
+ if (ret < 0) {
+ pr_err("nf_conntrack_ipv6: can't register pernet subsys.\n");
+ goto cleanup_hooks;
+ }
+
return ret;
+ cleanup_hooks:
+ nf_unregister_hooks(ipv6_conntrack_ops,
+ ARRAY_SIZE(ipv6_conntrack_ops));
cleanup_ipv6:
nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv6);
cleanup_icmpv6:
@@ -387,6 +434,7 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
static void __exit nf_conntrack_l3proto_ipv6_fini(void)
{
synchronize_net();
+ unregister_pernet_subsys(&nf_conntrack_net_proto_ipv6_ops);
nf_unregister_hooks(ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv6);
nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_icmpv6);
--
1.7.7.6
--
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