2 * NET Generic infrastructure for Network protocols.
4 * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
11 #ifndef _TIMEWAIT_SOCK_H
12 #define _TIMEWAIT_SOCK_H
14 #include <linux/slab.h>
17 struct timewait_sock_ops {
18 struct kmem_cache *twsk_slab;
20 unsigned int twsk_obj_size;
21 int (*twsk_unique)(struct sock *sk,
22 struct sock *sktw, void *twp);
23 void (*twsk_destructor)(struct sock *sk);
24 void *(*twsk_getpeer)(struct sock *sk);
27 static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
29 if (sk->sk_prot->twsk_prot->twsk_unique != NULL)
30 return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp);
34 static inline void twsk_destructor(struct sock *sk)
37 BUG_ON(sk->sk_prot == NULL);
38 BUG_ON(sk->sk_prot->twsk_prot == NULL);
39 if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
40 sk->sk_prot->twsk_prot->twsk_destructor(sk);
43 static inline void *twsk_getpeer(struct sock *sk)
45 if (sk->sk_prot->twsk_prot->twsk_getpeer)
46 return sk->sk_prot->twsk_prot->twsk_getpeer(sk);
50 #endif /* _TIMEWAIT_SOCK_H */