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/*
* NET Generic infrastructure for Network protocols.
*
* Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _TIMEWAIT_SOCK_H
#define _TIMEWAIT_SOCK_H
#include <linux/slab.h>
#include <linux/bug.h>
#include <net/sock.h>
struct timewait_sock_ops {
struct kmem_cache *twsk_slab;
char *twsk_slab_name;
unsigned int twsk_obj_size;
int (*twsk_unique)(struct sock *sk,
struct sock *sktw, void *twp);
void (*twsk_destructor)(struct sock *sk);
void *(*twsk_getpeer)(struct sock *sk);
};
static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
{
if (sk->sk_prot->twsk_prot->twsk_unique != NULL)
return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp);
return 0;
}
static inline void twsk_destructor(struct sock *sk)
{
BUG_ON(sk == NULL);
BUG_ON(sk->sk_prot == NULL);
BUG_ON(sk->sk_prot->twsk_prot == NULL);
if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
sk->sk_prot->twsk_prot->twsk_destructor(sk);
}
static inline void *twsk_getpeer(struct sock *sk)
{
if (sk->sk_prot->twsk_prot->twsk_getpeer)
return sk->sk_prot->twsk_prot->twsk_getpeer(sk);
return NULL;
}
#endif /* _TIMEWAIT_SOCK_H */
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