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[NET]: Introduce protocol-specific destructor for time-wait sockets.

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-10-10 19:42:09 -07:00 committed by David S. Miller
parent 9469c7b4aa
commit 42b6785eeb
2 changed files with 8 additions and 0 deletions
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1
include/net/inet_timewait_sock.h
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@ -196,6 +196,7 @@ static inline void inet_twsk_put(struct inet_timewait_sock *tw)
{ {
if (atomic_dec_and_test(&tw->tw_refcnt)) { if (atomic_dec_and_test(&tw->tw_refcnt)) {
struct module *owner = tw->tw_prot->owner; struct module *owner = tw->tw_prot->owner;
twsk_destructor((struct sock *)tw);
#ifdef SOCK_REFCNT_DEBUG #ifdef SOCK_REFCNT_DEBUG
printk(KERN_DEBUG "%s timewait_sock %p released\n", printk(KERN_DEBUG "%s timewait_sock %p released\n",
tw->tw_prot->name, tw); tw->tw_prot->name, tw);

7
include/net/timewait_sock.h
View File

@ -19,6 +19,7 @@ struct timewait_sock_ops {
unsigned int twsk_obj_size; unsigned int twsk_obj_size;
int (*twsk_unique)(struct sock *sk, int (*twsk_unique)(struct sock *sk,
struct sock *sktw, void *twp); struct sock *sktw, void *twp);
void (*twsk_destructor)(struct sock *sk);
}; };
static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp) static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
@ -28,4 +29,10 @@ static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
return 0; return 0;
} }
static inline void twsk_destructor(struct sock *sk)
{
if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
sk->sk_prot->twsk_prot->twsk_destructor(sk);
}
#endif /* _TIMEWAIT_SOCK_H */ #endif /* _TIMEWAIT_SOCK_H */