iwlwifi: change kill mask based on reduce power state

In bt coex, consider reduce tx power as part of ack/cts kill mask

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index e5dfbfd..83a6930 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -1877,9 +1877,16 @@
 
 #define IWLAGN_BT3_T7_DEFAULT		1
 
+enum iwl_bt_kill_idx {
+	IWL_BT_KILL_DEFAULT = 0,
+	IWL_BT_KILL_OVERRIDE = 1,
+	IWL_BT_KILL_REDUCE = 2,
+};
+
 #define IWLAGN_BT_KILL_ACK_MASK_DEFAULT	cpu_to_le32(0xffff0000)
 #define IWLAGN_BT_KILL_CTS_MASK_DEFAULT	cpu_to_le32(0xffff0000)
 #define IWLAGN_BT_KILL_ACK_CTS_MASK_SCO	cpu_to_le32(0xffffffff)
+#define IWLAGN_BT_KILL_ACK_CTS_MASK_REDUCE	cpu_to_le32(0)
 
 #define IWLAGN_BT3_PRIO_SAMPLE_DEFAULT	2