Signed-off-by: Alexey Dobriyan <[EMAIL PROTECTED]>
---
include/net/netns/ipv4.h | 1
net/ipv4/netfilter/nf_nat_rule.c | 40 +++++++++++++++++++++++++++------------
2 files changed, 29 insertions(+), 12 deletions(-)
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -38,6 +38,7 @@ struct netns_ipv4 {
struct xt_table *iptable_raw;
struct xt_table *arptable_filter;
struct xt_table *iptable_security;
+ struct xt_table *nat_table;
#endif
int sysctl_icmp_echo_ignore_all;
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -33,7 +33,7 @@ static struct
struct ipt_replace repl;
struct ipt_standard entries[3];
struct ipt_error term;
-} nat_initial_table __initdata = {
+} nat_initial_table __net_initdata = {
.repl = {
.name = "nat",
.valid_hooks = NAT_VALID_HOOKS,
@@ -58,14 +58,13 @@ static struct
.term = IPT_ERROR_INIT, /* ERROR */
};
-static struct xt_table __nat_table = {
+static struct xt_table nat_table = {
.name = "nat",
.valid_hooks = NAT_VALID_HOOKS,
.lock = __RW_LOCK_UNLOCKED(__nat_table.lock),
.me = THIS_MODULE,
.af = AF_INET,
};
-static struct xt_table *nat_table;
/* Source NAT */
static unsigned int ipt_snat_target(struct sk_buff *skb,
@@ -196,7 +195,7 @@ int nf_nat_rule_find(struct sk_buff *skb,
{
int ret;
- ret = ipt_do_table(skb, hooknum, in, out, nat_table);
+ ret = ipt_do_table(skb, hooknum, in, out,
nf_ct_net(ct)->ipv4.nat_table);
if (ret == NF_ACCEPT) {
if (!nf_nat_initialized(ct, HOOK2MANIP(hooknum)))
@@ -226,14 +225,32 @@ static struct xt_target ipt_dnat_reg __read_mostly = {
.family = AF_INET,
};
+static int __net_init nf_nat_rule_net_init(struct net *net)
+{
+ net->ipv4.nat_table = ipt_register_table(net, &nat_table,
+ &nat_initial_table.repl);
+ if (IS_ERR(net->ipv4.nat_table))
+ return PTR_ERR(net->ipv4.nat_table);
+ return 0;
+}
+
+static void __net_exit nf_nat_rule_net_exit(struct net *net)
+{
+ ipt_unregister_table(net->ipv4.nat_table);
+}
+
+static struct pernet_operations nf_nat_rule_net_ops = {
+ .init = nf_nat_rule_net_init,
+ .exit = nf_nat_rule_net_exit,
+};
+
int __init nf_nat_rule_init(void)
{
int ret;
- nat_table = ipt_register_table(&init_net, &__nat_table,
- &nat_initial_table.repl);
- if (IS_ERR(nat_table))
- return PTR_ERR(nat_table);
+ ret = register_pernet_subsys(&nf_nat_rule_net_ops);
+ if (ret != 0)
+ goto out;
ret = xt_register_target(&ipt_snat_reg);
if (ret != 0)
goto unregister_table;
@@ -247,8 +264,8 @@ int __init nf_nat_rule_init(void)
unregister_snat:
xt_unregister_target(&ipt_snat_reg);
unregister_table:
- ipt_unregister_table(nat_table);
-
+ unregister_pernet_subsys(&nf_nat_rule_net_ops);
+ out:
return ret;
}
@@ -256,5 +273,5 @@ void nf_nat_rule_cleanup(void)
{
xt_unregister_target(&ipt_dnat_reg);
xt_unregister_target(&ipt_snat_reg);
- ipt_unregister_table(nat_table);
+ unregister_pernet_subsys(&nf_nat_rule_net_ops);
}
--
1.5.6.3
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