1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _NF_NAT_CORE_H
3 #define _NF_NAT_CORE_H
4 #include <linux/list.h>
5 #include <net/netfilter/nf_conntrack.h>
6 #include <net/netfilter/nf_nat.h>
7
8 /* This header used to share core functionality between the standalone
9 NAT module, and the compatibility layer's use of NAT for masquerading. */
10
11 unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
12 unsigned int hooknum, struct sk_buff *skb);
13
14 unsigned int
15 nf_nat_inet_fn(void *priv, struct sk_buff *skb,
16 const struct nf_hook_state *state);
17
18 int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family);
19
nf_nat_initialized(struct nf_conn * ct,enum nf_nat_manip_type manip)20 static inline int nf_nat_initialized(struct nf_conn *ct,
21 enum nf_nat_manip_type manip)
22 {
23 if (manip == NF_NAT_MANIP_SRC)
24 return ct->status & IPS_SRC_NAT_DONE;
25 else
26 return ct->status & IPS_DST_NAT_DONE;
27 }
28
29 #endif /* _NF_NAT_CORE_H */
30
