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,
static struct xt_table nat_table = {
.name = "nat",
.valid_hooks = NAT_VALID_HOOKS,
- .lock = RW_LOCK_UNLOCKED,
+ .lock = __RW_LOCK_UNLOCKED(__nat_table.lock),
.me = THIS_MODULE,
.af = AF_INET,
};
void *targinfo,
unsigned int hook_mask)
{
- struct nf_nat_multi_range_compat *mr = targinfo;
+ const struct nf_nat_multi_range_compat *mr = targinfo;
/* Must be a valid range */
if (mr->rangesize != 1) {
void *targinfo,
unsigned int hook_mask)
{
- struct nf_nat_multi_range_compat *mr = targinfo;
+ const struct nf_nat_multi_range_compat *mr = targinfo;
/* Must be a valid range */
if (mr->rangesize != 1) {
return nf_nat_setup_info(ct, &range, HOOK2MANIP(hooknum));
}
-unsigned int
-alloc_null_binding_confirmed(struct nf_conn *ct, unsigned int hooknum)
-{
- __be32 ip
- = (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC
- ? ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip
- : ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip);
- __be16 all
- = (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC
- ? ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u.all
- : ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u.all);
- struct nf_nat_range range
- = { IP_NAT_RANGE_MAP_IPS, ip, ip, { all }, { all } };
-
- pr_debug("Allocating NULL binding for confirmed %p (%u.%u.%u.%u)\n",
- ct, NIPQUAD(ip));
- return nf_nat_setup_info(ct, &range, HOOK2MANIP(hooknum));
-}
-
int nf_nat_rule_find(struct sk_buff *skb,
unsigned int hooknum,
const struct net_device *in,
const struct net_device *out,
struct nf_conn *ct)
{
+ struct net *net = nf_ct_net(ct);
int ret;
- ret = ipt_do_table(skb, hooknum, in, out, &nat_table);
+ ret = ipt_do_table(skb, hooknum, in, out, net->ipv4.nat_table);
if (ret == NF_ACCEPT) {
if (!nf_nat_initialized(ct, HOOK2MANIP(hooknum)))
.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;
- ret = ipt_register_table(&nat_table, &nat_initial_table.repl);
+ ret = register_pernet_subsys(&nf_nat_rule_net_ops);
if (ret != 0)
- return ret;
+ goto out;
ret = xt_register_target(&ipt_snat_reg);
if (ret != 0)
goto unregister_table;
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;
}
{
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);
}