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1 | /* | |
2 | * NET Generic infrastructure for Network protocols. | |
3 | * | |
4 | * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br> | |
5 | * | |
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. | |
10 | */ | |
11 | #ifndef _TIMEWAIT_SOCK_H | |
12 | #define _TIMEWAIT_SOCK_H | |
13 | ||
14 | #include <linux/slab.h> | |
15 | #include <net/sock.h> | |
16 | ||
17 | struct timewait_sock_ops { | |
18 | struct kmem_cache *twsk_slab; | |
19 | char *twsk_slab_name; | |
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 | }; | |
25 | ||
26 | static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp) | |
27 | { | |
28 | if (sk->sk_prot->twsk_prot->twsk_unique != NULL) | |
29 | return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp); | |
30 | return 0; | |
31 | } | |
32 | ||
33 | static inline void twsk_destructor(struct sock *sk) | |
34 | { | |
35 | BUG_ON(sk == NULL); | |
36 | BUG_ON(sk->sk_prot == NULL); | |
37 | BUG_ON(sk->sk_prot->twsk_prot == NULL); | |
38 | if (sk->sk_prot->twsk_prot->twsk_destructor != NULL) | |
39 | sk->sk_prot->twsk_prot->twsk_destructor(sk); | |
40 | } | |
41 | ||
42 | #endif /* _TIMEWAIT_SOCK_H */ |