/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NF_NAT_H
#define _NF_NAT_H
+
+#include <linux/list.h>
#include <linux/netfilter_ipv4.h>
-#include <linux/netfilter/nf_nat.h>
+#include <linux/netfilter/nf_conntrack_pptp.h>
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_extend.h>
#include <net/netfilter/nf_conntrack_tuple.h>
+#include <uapi/linux/netfilter/nf_nat.h>
enum nf_nat_manip_type {
NF_NAT_MANIP_SRC,
#define HOOK2MANIP(hooknum) ((hooknum) != NF_INET_POST_ROUTING && \
(hooknum) != NF_INET_LOCAL_IN)
-#include <linux/list.h>
-#include <linux/netfilter/nf_conntrack_pptp.h>
-#include <net/netfilter/nf_conntrack_extend.h>
-
/* per conntrack: nat application helper private data */
union nf_conntrack_nat_help {
/* insert nat helper private data here */
-#if defined(CONFIG_NF_NAT_PPTP) || defined(CONFIG_NF_NAT_PPTP_MODULE)
+#if IS_ENABLED(CONFIG_NF_NAT_PPTP)
struct nf_nat_pptp nat_pptp_info;
#endif
};
-struct nf_conn;
-
/* The structure embedded in the conntrack structure. */
struct nf_conn_nat {
union nf_conntrack_nat_help help;
static inline struct nf_conn_nat *nfct_nat(const struct nf_conn *ct)
{
-#if defined(CONFIG_NF_NAT) || defined(CONFIG_NF_NAT_MODULE)
+#if IS_ENABLED(CONFIG_NF_NAT)
return nf_ct_ext_find(ct, NF_CT_EXT_NAT);
#else
return NULL;
#endif
}
-#if IS_ENABLED(CONFIG_NETFILTER)
int nf_nat_register_fn(struct net *net, u8 pf, const struct nf_hook_ops *ops,
const struct nf_hook_ops *nat_ops, unsigned int ops_count);
void nf_nat_unregister_fn(struct net *net, u8 pf, const struct nf_hook_ops *ops,
unsigned int ops_count);
-#endif
unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
unsigned int hooknum, struct sk_buff *skb);
enum ip_conntrack_info ctinfo,
unsigned int hooknum, unsigned int hdrlen);
-#if IS_ENABLED(CONFIG_NETFILTER)
int nf_nat_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops);
void nf_nat_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops);
unsigned int
nf_nat_inet_fn(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state);
-#endif
int nf_xfrm_me_harder(struct net *n, struct sk_buff *s, unsigned int family);