can-j1939: update headers with j1939

Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

include/linux/can.h

@@ -157,7 +157,8 @@ struct canfd_frame {
 #define CAN_TP20	4 /* VAG Transport Protocol v2.0 */
 #define CAN_MCNET	5 /* Bosch MCNet */
 #define CAN_ISOTP	6 /* ISO 15765-2 Transport Protocol */
-#define CAN_NPROTO	7
+#define CAN_J1939	7 /* SAE J1939 */
+#define CAN_NPROTO	8
 
 #define SOL_CAN_BASE 100
 
@@ -185,6 +186,23 @@ struct sockaddr_can {
 			canid_t tx_id;
 		} tp;
 
+		/* J1939 address information */
+		struct {
+			/* 8 byte name when using dynamic addressing */
+			__u64 name;
+			/*
+			 * pgn:
+			 * 8bit: PS in PDU2 case, else 0
+			 * 8bit: PF
+			 * 1bit: DP
+			 * 1bit: reserved
+			 */
+			__u32 pgn;
+
+			/* 1byte address */
+			__u8 addr;
+		} j1939;
+
 		/* reserved for future CAN protocols address information */
 	} can_addr;
 };