RATE_MCS_DUP_POS  304 drivers/net/wireless/intel/iwlegacy/commands.h #define RATE_MCS_DUP_POS 12
RATE_MCS_DUP_POS  300 drivers/net/wireless/intel/iwlwifi/dvm/commands.h #define RATE_MCS_DUP_POS 12
RATE_MCS_DUP_POS  478 drivers/net/wireless/intel/iwlwifi/fw/api/rs.h #define RATE_MCS_DUP_POS		24