include/net/timewait_sock.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * NET      Generic infrastructure for Network protocols.
0004  *
0005  * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
0006  */
0007 #ifndef _TIMEWAIT_SOCK_H
0008 #define _TIMEWAIT_SOCK_H
0009
0010 #include <linux/slab.h>
0011 #include <linux/bug.h>
0012 #include <net/sock.h>
0013
0014 struct timewait_sock_ops {
0015     struct kmem_cache   *twsk_slab;
0016     char        *twsk_slab_name;
0017     unsigned int    twsk_obj_size;
0018     int     (*twsk_unique)(struct sock *sk,
0019                        struct sock *sktw, void *twp);
0020     void        (*twsk_destructor)(struct sock *sk);
0021 };
0022
0023 static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
0024 {
0025     if (sk->sk_prot->twsk_prot->twsk_unique != NULL)
0026         return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp);
0027     return 0;
0028 }
0029
0030 static inline void twsk_destructor(struct sock *sk)
0031 {
0032     if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
0033         sk->sk_prot->twsk_prot->twsk_destructor(sk);
0034 }
0035
0036 #endif /* _TIMEWAIT_SOCK_H */