STA_FLG_HT40_EN_MSK  862 drivers/net/wireless/intel/iwlegacy/commands.h #define STA_FLG_HT40_EN_MSK		cpu_to_le32(1 << 21)
STA_FLG_HT40_EN_MSK  795 drivers/net/wireless/intel/iwlwifi/dvm/commands.h #define STA_FLG_HT40_EN_MSK		cpu_to_le32(1 << 21)