SCCS-vsn: sys/vax/if/if_vv.h 4.2
-/* if_vv.h 4.1 82/06/04 */
+/* if_vv.h 4.2 82/08/01 */
/*
* Local network header for V2LNI Ring
* This is arbitrated by "V2LNI-PEOPLE@MIT-MC"
* (aka Joel N. Chiappa)
*/
/*
* Local network header for V2LNI Ring
* This is arbitrated by "V2LNI-PEOPLE@MIT-MC"
* (aka Joel N. Chiappa)
*/
struct vv_header {
/* the first two fields are required by the hardware */
u_char vh_dhost; /* destination address */
struct vv_header {
/* the first two fields are required by the hardware */
u_char vh_dhost; /* destination address */
/*
* Packet types (protocol numbers) in v2lni header
/*
* Packet types (protocol numbers) in v2lni header
+ *
+ * NOTE: the Trailer format stuff is lifted right out of
+ * the other drivers. It will be changed to take advantage
+ * of the fields in the vv_header, but the packet throw-away
+ * code must first be improved.
*/
#define RING_IP 1
#define RING_IPTrailer 2
*/
#define RING_IP 1
#define RING_IPTrailer 2
+#define RING_IPNTrailer 16
#define RING_WHOAMI 0xa5 /* insure some bit transitions */
#define VV_BROADCAST 0 /* hardware-defined broadcast address */
#define RING_WHOAMI 0xa5 /* insure some bit transitions */
#define VV_BROADCAST 0 /* hardware-defined broadcast address */