1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * NET Generic infrastructure for Network protocols.
4 *
5 * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
6 */
7#ifndef _TIMEWAIT_SOCK_H
8#define _TIMEWAIT_SOCK_H
9
10#include <linux/slab.h>
11#include <linux/bug.h>
12#include <net/sock.h>
13
14struct timewait_sock_ops {
15 struct kmem_cache *twsk_slab;
16 char *twsk_slab_name;
17 unsigned int twsk_obj_size;
18 int (*twsk_unique)(struct sock *sk,
19 struct sock *sktw, void *twp);
20 void (*twsk_destructor)(struct sock *sk);
21};
22
23static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
24{
25 if (sk->sk_prot->twsk_prot->twsk_unique != NULL)
26 return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp);
27 return 0;
28}
29
30static inline void twsk_destructor(struct sock *sk)
31{
32 if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
33 sk->sk_prot->twsk_prot->twsk_destructor(sk);
34}
35
36#endif /* _TIMEWAIT_SOCK_H */
37

source code of linux/include/net/timewait_sock.h