support bpf properly

etc/etc.hp300/MAKEDEV

@@ -56,6 +56,7 @@
 #	grf*	raw interface to HP300 graphics devices
 #	ite*	terminal emulator interface to HP300 graphics devices
 #	hil	HP300 HIL input devices
+#	bpf*	packet filter
 
 PATH=/sbin:/bin/:/usr/bin:/usr/sbin
 umask 77
@@ -117,6 +118,14 @@ ct*|st*)
 	umask 77
 	;;
 
+bpf*)
+	unit=`expr $i : 'bpf\(.*\)'`
+	rm -f bpf$unit
+	mknod bpf$unit c 105 $unit
+	chmod 600 bpf$unit
+	chown root.wheel bpf$unit
+	;;
+
 cd*|fd*|rd*|sd*)
 	umask 2 ; unit=`expr $i : '..\(.*\)'`
 	case $i in

etc/etc.sparc/MAKEDEV

@@ -48,10 +48,10 @@
 # Special purpose devices:
 #	audio
 #	openprom
-#	bwtwo
-#	cgthree
-#	cgsix
-#	audio
+#	bwtwo*
+#	cgthree*
+#	cgsix*
+#	bpf*	packet filter
 
 PATH=/sbin:/bin/:/usr/bin:/usr/sbin:/usr/etc
 umask 77
@@ -110,8 +110,12 @@ openprom)
 	mknod openprom		c 70 0; chmod 600 openprom
 	;;
 
-bpf)
-	mknod bpf		c 105 0; chmod 600 bpf
+bpf*)
+	unit=`expr $i : 'bpf\(.*\)'`
+	rm -f bpf$unit
+	mknod bpf$unit c 105 $unit
+	chmod 600 bpf$unit
+	chown root.wheel bpf$unit
 	;;
 
 fd*|sd*)