The necessary information might be determined out of the CAN_*_MASK, however it is undesirable to misuse masks for such purpose. Signed-off-by: Rostislav Lisovy <lisovy@xxxxxxxxx> --- include/linux/can.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/can.h b/include/linux/can.h index 9a19bcb..08d1610 100644 --- a/include/linux/can.h +++ b/include/linux/can.h @@ -38,6 +38,9 @@ */ typedef __u32 canid_t; +#define CAN_SFF_ID_BITS 11 +#define CAN_EFF_ID_BITS 29 + /* * Controller Area Network Error Frame Mask structure * -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe lartc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html