$NetBSD: patch-aa,v 1.1.1.1 2000/01/25 10:54:55 abs Exp $

--- ioctl_stat.c	Sat Dec 18 01:35:12 1999
+++ /tmp/ioctl_stat.c	Tue Jan 25 10:32:46 2000
@@ -68,6 +68,9 @@
 
 void ioctl_stat(if_data *ifd)
 {
+#ifdef __NetBSD__
+	struct ifreq ifr;
+#endif
 	struct ifpppstatsreq req;
 	
 	if (s < 0) getsocket();
@@ -79,8 +82,20 @@
 	req.stats_ptr = (caddr_t) &req.stats;
 #endif
 	/* sprintf(req.ifr_name, ifd->device); */
-	strncpy(req.ifr_name, ifd->device, sizeof(req.ifr_name));
 	
+#ifdef __NetBSD__
+	snprintf(ifr.ifr_name, sizeof(req.ifr_name), ifd->device);
+	if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0 ||
+						!(ifr.ifr_flags&IFF_UP))
+	{
+		/* invalid interface, or interface down */
+		ifd->in_bytes = 0UL;
+		ifd->out_bytes = 0UL;
+		return;
+	}
+#endif
+
+	strncpy(req.ifr_name, ifd->device, sizeof(req.ifr_name));
 	if (ioctl(s, SIOCGPPPSTATS, &req) != 0)
 	{
 		/* non-existant device? */