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/*
* IPv4 support for nf_conntrack.
*
* 23 Mar 2004: Yasuyuki Kozakai @ USAGI <yasuyuki.kozakai@toshiba.co.jp>
* - move L3 protocol dependent part from include/linux/netfilter_ipv4/
* ip_conntarck.h
*/
#ifndef _NF_CONNTRACK_IPV4_H
#define _NF_CONNTRACK_IPV4_H
#ifdef CONFIG_NF_NAT_NEEDED
#include <net/netfilter/nf_nat.h>
#include <linux/netfilter/nf_conntrack_pptp.h>
/* per conntrack: nat application helper private data */
union nf_conntrack_nat_help {
/* insert nat helper private data here */
struct nf_nat_pptp nat_pptp_info;
};
struct nf_conn_nat {
struct nf_nat_info info;
union nf_conntrack_nat_help help;
#if defined(CONFIG_IP_NF_TARGET_MASQUERADE) || \
defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE)
int masq_index;
#endif
};
#endif /* CONFIG_NF_NAT_NEEDED */
/* Returns new sk_buff, or NULL */
struct sk_buff *
nf_ct_ipv4_ct_gather_frags(struct sk_buff *skb);
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4;
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4;
extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp;
extern int nf_conntrack_ipv4_compat_init(void);
extern void nf_conntrack_ipv4_compat_fini(void);
#endif /*_NF_CONNTRACK_IPV4_H*/
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