--- linux-2.4.9.orig/include/linux/if_shaper.h	Wed Aug 18 20:38:47 1999
+++ linux-2.4.9/include/linux/if_shaper.h	Sun Sep  9 16:27:01 2001
@@ -14,6 +14,8 @@
 #define SHAPER_MAXSLIP	2
 #define SHAPER_BURST	(HZ/50)		/* Good for >128K then */
 
+#define IS_SHAPERDEVICE(dev) ((dev)->features & NETIF_F_SHAPER)
+
 struct shaper
 {
 	struct sk_buff_head sendq;