tipc: change sk_receive_queue upper limit

The sk_recv_queue upper limit for connectionless sockets has empirically
turned out to be too low. When we double the current limit we get much
fewer rejected messages and no noticable negative side-effects.
Signed-off-by: NJon Maloy <jon.maloy@ericsson.com>
Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>

net/tipc/socket.c

 /*
  * net/tipc/socket.c: TIPC socket API
  *
- * Copyright (c) 2001-2007, Ericsson AB
+ * Copyright (c) 2001-2007, 2012 Ericsson AB
  * Copyright (c) 2004-2008, 2010-2012, Wind River Systems
  * All rights reserved.
  *
@@ -43,7 +43,7 @@
 #define SS_LISTENING	-1	/* socket is listening */
 #define SS_READY	-2	/* socket is connectionless */
 
-#define OVERLOAD_LIMIT_BASE	5000
+#define OVERLOAD_LIMIT_BASE	10000
 #define CONN_TIMEOUT_DEFAULT	8000	/* default connect timeout = 8s */
 
 struct tipc_sock {