root/include/net/timewait_sock.h

INCLUDED FROM

DEFINITIONS

1. twsk_unique
2. twsk_destructor

/*
 * NET          Generic infrastructure for Network protocols.
 *
 * Authors:     Arnaldo Carvalho de Melo <acme@conectiva.com.br>
 *
 *              This program is free software; you can redistribute it and/or
 *              modify it under the terms of the GNU General Public License
 *              as published by the Free Software Foundation; either version
 *              2 of the License, or (at your option) any later version.
 */
#ifndef _TIMEWAIT_SOCK_H
#define _TIMEWAIT_SOCK_H

#include <linux/slab.h>
#include <net/sock.h>

struct timewait_sock_ops {
        struct kmem_cache       *twsk_slab;
        unsigned int    twsk_obj_size;
        int             (*twsk_unique)(struct sock *sk,
                                       struct sock *sktw, void *twp);
        void            (*twsk_destructor)(struct sock *sk);
};

static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
{
        if (sk->sk_prot->twsk_prot->twsk_unique != NULL)
                return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp);
        return 0;
}

static inline void twsk_destructor(struct sock *sk)
{
        BUG_ON(sk == NULL);
        BUG_ON(sk->sk_prot == NULL);
        BUG_ON(sk->sk_prot->twsk_prot == NULL);
        if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
                sk->sk_prot->twsk_prot->twsk_destructor(sk);
}

#endif /* _TIMEWAIT_SOCK_H */