This patch prepares struct sockaddr_can for SAE J1939.
Signed-off-by: Kurt Van Dijck <[email protected]>
Signed-off-by: Oleksij Rempel <[email protected]>
---
include/uapi/linux/can.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/include/uapi/linux/can.h b/include/uapi/linux/can.h
index 06d92d6be6e6..1e988fdeba34 100644
--- a/include/uapi/linux/can.h
+++ b/include/uapi/linux/can.h
@@ -175,6 +175,23 @@ struct sockaddr_can {
/* transport protocol class address information (e.g. ISOTP) */
struct { canid_t rx_id, tx_id; } tp;
+ /* J1939 address information */
+ struct {
+ /* 8 byte name when using dynamic addressing */
+ __u64 name;
+
+ /* pgn:
+ * 8 bit: PS in PDU2 case, else 0
+ * 8 bit: PF
+ * 1 bit: DP
+ * 1 bit: reserved
+ */
+ __u32 pgn;
+
+ /* 1 byte address */
+ __u8 addr;
+ } j1939;
+
/* reserved for future CAN protocols address information */
} can_addr;
};
--
2.19.0
