#include <asm/byteorder.h>
/* This is for all connections with a full identity, no wildcards.
- * New scheme, half the table is for TIME_WAIT, the other half is
- * for the rest. I'll experiment with dynamic table growth later.
+ * One chain is dedicated to TIME_WAIT sockets.
+ * I'll experiment with dynamic table growth later.
*/
struct inet_ehash_bucket {
rwlock_t lock;
struct hlist_head chain;
+ struct hlist_head twchain;
};
/* There are a few simple rules, which allow for local port reuse by
*
* TCP_ESTABLISHED <= sk->sk_state < TCP_CLOSE
*
- * First half of the table is for sockets not in TIME_WAIT, second half
- * is for TIME_WAIT sockets only.
+ * TIME_WAIT sockets use a separate chain (twchain).
*/
struct inet_ehash_bucket *ehash;
rwlock_t lhash_lock ____cacheline_aligned;
atomic_t lhash_users;
wait_queue_head_t lhash_wait;
- kmem_cache_t *bind_bucket_cachep;
+ struct kmem_cache *bind_bucket_cachep;
};
static inline struct inet_ehash_bucket *inet_ehash_bucket(
}
extern struct inet_bind_bucket *
- inet_bind_bucket_create(kmem_cache_t *cachep,
+ inet_bind_bucket_create(struct kmem_cache *cachep,
struct inet_bind_hashbucket *head,
const unsigned short snum);
-extern void inet_bind_bucket_destroy(kmem_cache_t *cachep,
+extern void inet_bind_bucket_destroy(struct kmem_cache *cachep,
struct inet_bind_bucket *tb);
static inline int inet_bhashfn(const __u16 lport, const int bhash_size)
}
/* Must check for a TIME_WAIT'er before going to listener hash. */
- sk_for_each(sk, node, &(head + hashinfo->ehash_size)->chain) {
+ sk_for_each(sk, node, &head->twchain) {
if (INET_TW_MATCH(sk, hash, acookie, saddr, daddr, ports, dif))
goto hit;
}