#define PACKET_BROADCAST 1 /* To all */
#define PACKET_MULTICAST 2 /* To group */
#define PACKET_OTHERHOST 3 /* To someone else */
-#define PACKET_OUTGOING 4 /* Originated by us */
-#define PACKET_LOOPBACK 5
-#define PACKET_FASTROUTE 6
+#define PACKET_OUTGOING 4 /* Outgoing of any type */
+/* These ones are invisible by user level */
+#define PACKET_LOOPBACK 5 /* MC/BRD frame looped back */
+#define PACKET_FASTROUTE 6 /* Fastrouted frame */
/* Packet socket options */
