162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * NET Generic infrastructure for Network protocols. 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br> 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci#ifndef _TIMEWAIT_SOCK_H 862306a36Sopenharmony_ci#define _TIMEWAIT_SOCK_H 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#include <linux/slab.h> 1162306a36Sopenharmony_ci#include <linux/bug.h> 1262306a36Sopenharmony_ci#include <net/sock.h> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_cistruct timewait_sock_ops { 1562306a36Sopenharmony_ci struct kmem_cache *twsk_slab; 1662306a36Sopenharmony_ci char *twsk_slab_name; 1762306a36Sopenharmony_ci unsigned int twsk_obj_size; 1862306a36Sopenharmony_ci int (*twsk_unique)(struct sock *sk, 1962306a36Sopenharmony_ci struct sock *sktw, void *twp); 2062306a36Sopenharmony_ci void (*twsk_destructor)(struct sock *sk); 2162306a36Sopenharmony_ci}; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_cistatic inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp) 2462306a36Sopenharmony_ci{ 2562306a36Sopenharmony_ci if (sk->sk_prot->twsk_prot->twsk_unique != NULL) 2662306a36Sopenharmony_ci return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp); 2762306a36Sopenharmony_ci return 0; 2862306a36Sopenharmony_ci} 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistatic inline void twsk_destructor(struct sock *sk) 3162306a36Sopenharmony_ci{ 3262306a36Sopenharmony_ci if (sk->sk_prot->twsk_prot->twsk_destructor != NULL) 3362306a36Sopenharmony_ci sk->sk_prot->twsk_prot->twsk_destructor(sk); 3462306a36Sopenharmony_ci} 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci#endif /* _TIMEWAIT_SOCK_H */ 37