diff options
Diffstat (limited to 'include/net/netfilter/nf_nat.h')
| -rw-r--r-- | include/net/netfilter/nf_nat.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h index bc57dd7b9b5c..6ae52f7c9f55 100644 --- a/include/net/netfilter/nf_nat.h +++ b/include/net/netfilter/nf_nat.h @@ -51,16 +51,31 @@ struct nf_nat_multi_range_compat #ifdef __KERNEL__ #include <linux/list.h> +#include <linux/netfilter/nf_conntrack_pptp.h> +#include <net/netfilter/nf_conntrack_extend.h> -/* The structure embedded in the conntrack structure. */ -struct nf_nat_info +/* per conntrack: nat application helper private data */ +union nf_conntrack_nat_help { - struct list_head bysource; - struct nf_nat_seq seq[IP_CT_DIR_MAX]; + /* insert nat helper private data here */ + struct nf_nat_pptp nat_pptp_info; }; struct nf_conn; +/* The structure embedded in the conntrack structure. */ +struct nf_conn_nat +{ + struct hlist_node bysource; + struct nf_nat_seq seq[IP_CT_DIR_MAX]; + struct nf_conn *ct; + union nf_conntrack_nat_help help; +#if defined(CONFIG_IP_NF_TARGET_MASQUERADE) || \ + defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE) + int masq_index; +#endif +}; + /* Set up the info structure to map into this range. */ extern unsigned int nf_nat_setup_info(struct nf_conn *ct, const struct nf_nat_range *range, @@ -70,7 +85,10 @@ extern unsigned int nf_nat_setup_info(struct nf_conn *ct, extern int nf_nat_used_tuple(const struct nf_conntrack_tuple *tuple, const struct nf_conn *ignored_conntrack); -extern int nf_nat_module_is_loaded; +static inline struct nf_conn_nat *nfct_nat(const struct nf_conn *ct) +{ + return nf_ct_ext_find(ct, NF_CT_EXT_NAT); +} #else /* !__KERNEL__: iptables wants this to compile. */ #define nf_nat_multi_range nf_nat_multi_range_compat |