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; };