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#ifndef _NF_TPROXY_CORE_H
#define _NF_TPROXY_CORE_H
#include <linux/types.h>
#include <linux/in.h>
#include <linux/skbuff.h>
#include <net/sock.h>
#include <net/inet_sock.h>
#include <net/tcp.h>
#define NFT_LOOKUP_ANY 0
#define NFT_LOOKUP_LISTENER 1
#define NFT_LOOKUP_ESTABLISHED 2
/* look up and get a reference to a matching socket */
extern struct sock *
nf_tproxy_get_sock_v4(struct net *net, const u8 protocol,
const __be32 saddr, const __be32 daddr,
const __be16 sport, const __be16 dport,
const struct net_device *in, int lookup_type);
static inline void
nf_tproxy_put_sock(struct sock *sk)
{
/* TIME_WAIT inet sockets have to be handled differently */
if ((sk->sk_protocol == IPPROTO_TCP) && (sk->sk_state == TCP_TIME_WAIT))
inet_twsk_put(inet_twsk(sk));
else
sock_put(sk);
}
/* assign a socket to the skb -- consumes sk */
int
nf_tproxy_assign_sock(struct sk_buff *skb, struct sock *sk);
#endif
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