1 #ifndef _NF_NAT_CORE_H
2 #define _NF_NAT_CORE_H
3 #include <linux/list.h>
4 #include <net/netfilter/nf_conntrack.h>
5 #include <net/netfilter/nf_nat.h>
6
7 /* This header used to share core functionality between the standalone
8 NAT module, and the compatibility layer's use of NAT for masquerading. */
9
10 unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
11 unsigned int hooknum, struct sk_buff *skb);
12
13 int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family);
14
nf_nat_initialized(struct nf_conn * ct,enum nf_nat_manip_type manip)15 static inline int nf_nat_initialized(struct nf_conn *ct,
16 enum nf_nat_manip_type manip)
17 {
18 if (manip == NF_NAT_MANIP_SRC)
19 return ct->status & IPS_SRC_NAT_DONE;
20 else
21 return ct->status & IPS_DST_NAT_DONE;
22 }
23
24 struct nlattr;
25
26 extern int
27 (*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct,
28 enum nf_nat_manip_type manip,
29 const struct nlattr *attr);
30
31 #endif /* _NF_NAT_CORE_H */
32