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 17struct 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 26static 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 33static 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 */ 43