--- a/usr/src/uts/common/inet/ipclassifier.h	Mon Dec 21 13:33:28 2009 -0800
+++ b/usr/src/uts/common/inet/ipclassifier.h	Tue Dec 22 00:58:06 2009 +0000
@@ -445,6 +445,7 @@
 	/* Checksum to compensate for source routed packets. Host byte order */
 	uint32_t	conn_sum;
 
+	uint32_t	conn_ioctlref;		/* ioctl ref count */
 #ifdef CONN_DEBUG
 #define	CONN_TRACE_MAX	10
 	int		conn_trace_last;	/* ndx of last used tracebuf */