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 */

 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 */