| /* |
| * 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_IP_NF_NAT_NEEDED |
| #include <linux/netfilter_ipv4/ip_nat.h> |
| |
| /* per conntrack: nat application helper private data */ |
| union ip_conntrack_nat_help { |
| /* insert nat helper private data here */ |
| }; |
| |
| struct nf_conntrack_ipv4_nat { |
| struct ip_nat_info info; |
| union ip_conntrack_nat_help help; |
| #if defined(CONFIG_IP_NF_TARGET_MASQUERADE) || \ |
| defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE) |
| int masq_index; |
| #endif |
| }; |
| #endif /* CONFIG_IP_NF_NAT_NEEDED */ |
| |
| struct nf_conntrack_ipv4 { |
| #ifdef CONFIG_IP_NF_NAT_NEEDED |
| struct nf_conntrack_ipv4_nat *nat; |
| #endif |
| }; |
| |
| /* Returns new sk_buff, or NULL */ |
| struct sk_buff * |
| nf_ct_ipv4_ct_gather_frags(struct sk_buff *skb); |
| |
| /* call to create an explicit dependency on nf_conntrack_l3proto_ipv4. */ |
| extern void need_ip_conntrack(void); |
| |
| #endif /*_NF_CONNTRACK_IPV4_H*/ |