SOL_CAN_BASE       63 include/uapi/linux/can/j1939.h #define SOL_CAN_J1939 (SOL_CAN_BASE + CAN_J1939)
SOL_CAN_BASE       51 include/uapi/linux/can/raw.h #define SOL_CAN_RAW (SOL_CAN_BASE + CAN_RAW)