diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h
index 007a93b25bd79ca96134a60ebe5ec79e69be56fe..6994232f572611703e67903c793115d05beb0b42 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h
@@ -134,6 +134,7 @@ enum iwl_tx_flags {
 #define TX_CMD_SEC_WEP			0x01
 #define TX_CMD_SEC_CCM			0x02
 #define TX_CMD_SEC_TKIP			0x03
+#define TX_CMD_SEC_MSK			0x07
 #define TX_CMD_SEC_WEP_KEY_IDX_POS	6
 #define TX_CMD_SEC_WEP_KEY_IDX_MSK	0xc0
 #define TX_CMD_SEC_KEY128		0x08