Index: head/sys/net/rndis.h
===================================================================
--- head/sys/net/rndis.h
+++ head/sys/net/rndis.h
@@ -122,7 +122,7 @@
 /* Per-packet-info for RNDIS data message */
 struct rndis_pktinfo {
 	uint32_t rm_size;
-	uint32_t rm_type;
+	uint32_t rm_type;		/* NDIS_PKTINFO_TYPE_ */
 	uint32_t rm_pktinfooffset;
 	uint8_t rm_data[];
 };
@@ -131,6 +131,19 @@
 	__offsetof(struct rndis_pktinfo, rm_data[0])
 #define	RNDIS_PKTINFO_ALIGN		4
 
+#define	NDIS_PKTINFO_TYPE_CSUM		0
+#define	NDIS_PKTINFO_TYPE_IPSEC		1
+#define	NDIS_PKTINFO_TYPE_LSO		2
+#define	NDIS_PKTINFO_TYPE_CLASSIFY	3
+/* reserved 4 */
+#define	NDIS_PKTINFO_TYPE_SGLIST	5
+#define	NDIS_PKTINFO_TYPE_VLAN		6
+#define	NDIS_PKTINFO_TYPE_ORIG		7
+#define	NDIS_PKTINFO_TYPE_PKT_CANCELID	8
+#define	NDIS_PKTINFO_TYPE_ORIG_NBLIST	9
+#define	NDIS_PKTINFO_TYPE_CACHE_NBLIST	10
+#define	NDIS_PKTINFO_TYPE_PKT_PAD	11
+
 /*
  * RNDIS control messages
  */