X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fnet%2Finet6_hashtables.h;h=c28e424f53d9eb5e28d1480d55562668ef0dba16;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=25f708ff020e9b158e26fe95c56b2706774c8bdf;hpb=64ba3f394c830ec48a1c31b53dcae312c56f1604;p=linux-2.6.git

diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index 25f708ff0..c28e424f5 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -14,7 +14,6 @@
 #ifndef _INET6_HASHTABLES_H
 #define _INET6_HASHTABLES_H
 
-#include <linux/config.h>
 
 #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
 #include <linux/in6.h>
@@ -27,11 +26,11 @@ struct inet_hashinfo;
 
 /* I have no idea if this is a good hash for v6 or not. -DaveM */
 static inline unsigned int inet6_ehashfn(const struct in6_addr *laddr, const u16 lport,
-				const struct in6_addr *faddr, const u16 fport)
+				const struct in6_addr *faddr, const __be16 fport)
 {
-	unsigned int hashent = (lport ^ fport);
+	unsigned int hashent = (lport ^ (__force u16)fport);
 
-	hashent ^= (laddr->s6_addr32[3] ^ faddr->s6_addr32[3]);
+	hashent ^= (__force u32)(laddr->s6_addr32[3] ^ faddr->s6_addr32[3]);
 	hashent ^= hashent >> 16;
 	hashent ^= hashent >> 8;
 	return hashent;
@@ -44,35 +43,11 @@ static inline int inet6_sk_ehashfn(const struct sock *sk)
 	const struct in6_addr *laddr = &np->rcv_saddr;
 	const struct in6_addr *faddr = &np->daddr;
 	const __u16 lport = inet->num;
-	const __u16 fport = inet->dport;
+	const __be16 fport = inet->dport;
 	return inet6_ehashfn(laddr, lport, faddr, fport);
 }
 
-static inline void __inet6_hash(struct inet_hashinfo *hashinfo,
-				struct sock *sk)
-{
-	struct hlist_head *list;
-	rwlock_t *lock;
-
-	BUG_TRAP(sk_unhashed(sk));
-
-	if (sk->sk_state == TCP_LISTEN) {
-		list = &hashinfo->listening_hash[inet_sk_listen_hashfn(sk)];
-		lock = &hashinfo->lhash_lock;
-		inet_listen_wlock(hashinfo);
-	} else {
-		unsigned int hash;
-		sk->sk_hash = hash = inet6_sk_ehashfn(sk);
-		hash &= (hashinfo->ehash_size - 1);
-		list = &hashinfo->ehash[hash].chain;
-		lock = &hashinfo->ehash[hash].lock;
-		write_lock(lock);
-	}
-
-	__sk_add_node(sk, list);
-	sock_prot_inc_use(sk->sk_prot);
-	write_unlock(lock);
-}
+extern void __inet6_hash(struct inet_hashinfo *hashinfo, struct sock *sk);
 
 /*
  * Sockets in TCP_CLOSE state are _always_ taken out of the hash, so
@@ -80,52 +55,12 @@ static inline void __inet6_hash(struct inet_hashinfo *hashinfo,
  *
  * The sockhash lock must be held as a reader here.
  */
-static inline struct sock *
-		__inet6_lookup_established(struct inet_hashinfo *hashinfo,
+extern struct sock *__inet6_lookup_established(struct inet_hashinfo *hashinfo,
 					   const struct in6_addr *saddr,
-					   const u16 sport,
+					   const __be16 sport,
 					   const struct in6_addr *daddr,
 					   const u16 hnum,
-					   const int dif)
-{
-	struct sock *sk;
-	const struct hlist_node *node;
-	const __u32 ports = INET_COMBINED_PORTS(sport, hnum);
-	/* Optimize here for direct hit, only listening connections can
-	 * have wildcards anyways.
-	 */
-	unsigned int hash = inet6_ehashfn(daddr, hnum, saddr, sport);
-	struct inet_ehash_bucket *head = inet_ehash_bucket(hashinfo, hash);
-
-	prefetch(head->chain.first);
-	read_lock(&head->lock);
-	sk_for_each(sk, node, &head->chain) {
-		/* For IPV6 do the cheaper port and family tests first. */
-		if (INET6_MATCH(sk, hash, saddr, daddr, ports, dif))
-			goto hit; /* You sunk my battleship! */
-	}
-	/* Must check for a TIME_WAIT'er before going to listener hash. */
-	sk_for_each(sk, node, &(head + hashinfo->ehash_size)->chain) {
-		const struct inet_timewait_sock *tw = inet_twsk(sk);
-
-		if(*((__u32 *)&(tw->tw_dport))	== ports	&&
-		   sk->sk_family		== PF_INET6) {
-			const struct inet6_timewait_sock *tw6 = inet6_twsk(sk);
-
-			if (ipv6_addr_equal(&tw6->tw_v6_daddr, saddr)	&&
-			    ipv6_addr_equal(&tw6->tw_v6_rcv_saddr, daddr)	&&
-			    (!sk->sk_bound_dev_if || sk->sk_bound_dev_if == dif))
-				goto hit;
-		}
-	}
-	read_unlock(&head->lock);
-	return NULL;
-
-hit:
-	sock_hold(sk);
-	read_unlock(&head->lock);
-	return sk;
-}
+					   const int dif);
 
 extern struct sock *inet6_lookup_listener(struct inet_hashinfo *hashinfo,
 					  const struct in6_addr *daddr,
@@ -134,7 +69,7 @@ extern struct sock *inet6_lookup_listener(struct inet_hashinfo *hashinfo,
 
 static inline struct sock *__inet6_lookup(struct inet_hashinfo *hashinfo,
 					  const struct in6_addr *saddr,
-					  const u16 sport,
+					  const __be16 sport,
 					  const struct in6_addr *daddr,
 					  const u16 hnum,
 					  const int dif)
@@ -148,8 +83,8 @@ static inline struct sock *__inet6_lookup(struct inet_hashinfo *hashinfo,
 }
 
 extern struct sock *inet6_lookup(struct inet_hashinfo *hashinfo,
-				 const struct in6_addr *saddr, const u16 sport,
-				 const struct in6_addr *daddr, const u16 dport,
+				 const struct in6_addr *saddr, const __be16 sport,
+				 const struct in6_addr *daddr, const __be16 dport,
 				 const int dif);
 #endif /* defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE) */
 #endif /* _INET6_HASHTABLES_H */