X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=net%2Fipv4%2Finet_connection_sock.c;h=ae20281d8deb085e58eec67def12fef96da3b1fd;hb=0368309cb45bbba99f84a01d5fc6a18780788480;hp=94468a76c5b4e0f70bca33afcf0c5b95cf654a7c;hpb=fbbb0bd1f6eb2d8b28d246a4821453bdc3d01b2f;p=powerpc.git

diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 94468a76c5..ae20281d8d 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -37,7 +37,8 @@ EXPORT_SYMBOL(inet_csk_timer_bug_msg);
  */
 int sysctl_local_port_range[2] = { 1024, 4999 };
 
-static inline int inet_csk_bind_conflict(struct sock *sk, struct inet_bind_bucket *tb)
+int inet_csk_bind_conflict(const struct sock *sk,
+			   const struct inet_bind_bucket *tb)
 {
 	const u32 sk_rcv_saddr = inet_rcv_saddr(sk);
 	struct sock *sk2;
@@ -62,11 +63,15 @@ static inline int inet_csk_bind_conflict(struct sock *sk, struct inet_bind_bucke
 	return node != NULL;
 }
 
+EXPORT_SYMBOL_GPL(inet_csk_bind_conflict);
+
 /* Obtain a reference to a local port for the given sock,
  * if snum is zero it means select any available local port.
  */
 int inet_csk_get_port(struct inet_hashinfo *hashinfo,
-		      struct sock *sk, unsigned short snum)
+		      struct sock *sk, unsigned short snum,
+		      int (*bind_conflict)(const struct sock *sk,
+					   const struct inet_bind_bucket *tb))
 {
 	struct inet_bind_hashbucket *head;
 	struct hlist_node *node;
@@ -78,17 +83,9 @@ int inet_csk_get_port(struct inet_hashinfo *hashinfo,
 		int low = sysctl_local_port_range[0];
 		int high = sysctl_local_port_range[1];
 		int remaining = (high - low) + 1;
-		int rover;
+		int rover = net_random() % (high - low) + low;
 
-		spin_lock(&hashinfo->portalloc_lock);
-		if (hashinfo->port_rover < low)
-			rover = low;
-		else
-			rover = hashinfo->port_rover;
 		do {
-			rover++;
-			if (rover > high)
-				rover = low;
 			head = &hashinfo->bhash[inet_bhashfn(rover, hashinfo->bhash_size)];
 			spin_lock(&head->lock);
 			inet_bind_bucket_for_each(tb, node, &head->chain)
@@ -97,9 +94,9 @@ int inet_csk_get_port(struct inet_hashinfo *hashinfo,
 			break;
 		next:
 			spin_unlock(&head->lock);
+			if (++rover > high)
+				rover = low;
 		} while (--remaining > 0);
-		hashinfo->port_rover = rover;
-		spin_unlock(&hashinfo->portalloc_lock);
 
 		/* Exhausted local port range during search?  It is not
 		 * possible for us to be holding one of the bind hash
@@ -133,7 +130,7 @@ tb_found:
 			goto success;
 		} else {
 			ret = 1;
-			if (inet_csk_bind_conflict(sk, tb))
+			if (bind_conflict(sk, tb))
 				goto fail_unlock;
 		}
 	}
@@ -388,7 +385,7 @@ struct request_sock *inet_csk_search_req(const struct sock *sk,
 EXPORT_SYMBOL_GPL(inet_csk_search_req);
 
 void inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req,
-				   const unsigned timeout)
+				   unsigned long timeout)
 {
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct listen_sock *lopt = icsk->icsk_accept_queue.listen_opt;
@@ -639,3 +636,15 @@ void inet_csk_listen_stop(struct sock *sk)
 }
 
 EXPORT_SYMBOL_GPL(inet_csk_listen_stop);
+
+void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr)
+{
+	struct sockaddr_in *sin = (struct sockaddr_in *)uaddr;
+	const struct inet_sock *inet = inet_sk(sk);
+
+	sin->sin_family		= AF_INET;
+	sin->sin_addr.s_addr	= inet->daddr;
+	sin->sin_port		= inet->dport;
+}
+
+EXPORT_SYMBOL_GPL(inet_csk_addr2sockaddr);