diff options
Diffstat (limited to 'include/net/netfilter/nf_nat_core.h')
| -rw-r--r-- | include/net/netfilter/nf_nat_core.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_nat_core.h b/include/net/netfilter/nf_nat_core.h new file mode 100644 index 00000000..3dc7b98e --- /dev/null +++ b/include/net/netfilter/nf_nat_core.h @@ -0,0 +1,36 @@ +#ifndef _NF_NAT_CORE_H +#define _NF_NAT_CORE_H +#include <linux/list.h> +#include <net/netfilter/nf_conntrack.h> +#include <net/netfilter/nf_nat.h> + +/* This header used to share core functionality between the standalone + NAT module, and the compatibility layer's use of NAT for masquerading. */ + +extern unsigned int nf_nat_packet(struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned int hooknum, + struct sk_buff *skb); + +extern int nf_nat_icmp_reply_translation(struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned int hooknum, + struct sk_buff *skb); + +static inline int nf_nat_initialized(struct nf_conn *ct, + enum nf_nat_manip_type manip) +{ + if (manip == IP_NAT_MANIP_SRC) + return ct->status & IPS_SRC_NAT_DONE; + else + return ct->status & IPS_DST_NAT_DONE; +} + +struct nlattr; + +extern int +(*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct, + enum nf_nat_manip_type manip, + const struct nlattr *attr); + +#endif /* _NF_NAT_CORE_H */ |