STA_KEY_MULTICAST_MSK  884 drivers/net/wireless/intel/iwlegacy/commands.h #define STA_KEY_MULTICAST_MSK		cpu_to_le16(0x4000)
STA_KEY_MULTICAST_MSK  817 drivers/net/wireless/intel/iwlwifi/dvm/commands.h #define STA_KEY_MULTICAST_MSK        cpu_to_le16(0x4000)