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 14 struct 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 twsk_unique(struct sock * sk,struct sock * sktw,void * twp)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 twsk_destructor(struct sock * sk)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