diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 8a3020d..0fe98e9 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -2307,6 +2307,10 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
 			     ar->wmi.svc_map))
 			val |= WMI_10_4_TDLS_UAPSD_BUFFER_STA;
 
+		if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI,
+			     ar->wmi.svc_map))
+			val |= WMI_10_4_TX_DATA_ACK_RSSI;
+
 		status = ath10k_mac_ext_resource_config(ar, val);
 		if (status) {
 			ath10k_err(ar,
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index 8cc2a8b..bd39d6b 100644
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2005-2011 Atheros Communications Inc.
  * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -557,6 +558,8 @@ struct htt_mgmt_tx_completion {
 #define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_MASK     0xFF000000
 #define HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES_LSB      24
 
+#define HTT_TX_CMPL_FLAG_DATA_RSSI BIT(0)
+
 struct htt_rx_indication_hdr {
 	u8 info0; /* %HTT_RX_INDICATION_INFO0_ */
 	__le16 peer_id;
@@ -820,7 +823,7 @@ struct htt_data_tx_completion {
 		} __packed;
 	} __packed;
 	u8 num_msdus;
-	u8 rsvd0;
+	u8 flags2; /* HTT_TX_CMPL_FLAG_DATA_RSSI */
 	__le16 msdus[0]; /* variable length based on %num_msdus */
 } __packed;
 
@@ -1648,6 +1651,7 @@ struct htt_resp {
 struct htt_tx_done {
 	u16 msdu_id;
 	u16 status;
+	u8 ack_rssi;
 };
 
 enum htt_tx_compl_state {
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 5e02e26..e16e818 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -1882,6 +1882,8 @@ static void ath10k_htt_rx_tx_compl_ind(struct ath10k *ar,
 	int status = MS(resp->data_tx_completion.flags, HTT_DATA_TX_STATUS);
 	__le16 msdu_id;
 	int i;
+	bool rssi_enabled;
+	__le16 msdu_count;
 
 	switch (status) {
 	case HTT_DATA_TX_STATUS_NO_ACK:
@@ -1904,10 +1906,29 @@ static void ath10k_htt_rx_tx_compl_ind(struct ath10k *ar,
 	ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx completion num_msdus %d\n",
 		   resp->data_tx_completion.num_msdus);
 
+	if (resp->data_tx_completion.flags2 & HTT_TX_CMPL_FLAG_DATA_RSSI) {
+		rssi_enabled = true;
+		msdu_count = __le16_to_cpu(resp->data_tx_completion.num_msdus);
+	} else {
+		rssi_enabled = false;
+	}
+
 	for (i = 0; i < resp->data_tx_completion.num_msdus; i++) {
 		msdu_id = resp->data_tx_completion.msdus[i];
 		tx_done.msdu_id = __le16_to_cpu(msdu_id);
 
+		if (rssi_enabled) {
+			/* Total no of MSDUs should be even,
+			 * if odd MSDUs are sent firmware fills
+			 * last msdu id with 0xffff
+			 */
+			if (msdu_count & 0x01)
+				tx_done.ack_rssi =
+				resp->data_tx_completion.msdus[msdu_count +  i + 1];
+			else
+				tx_done.ack_rssi =
+				resp->data_tx_completion.msdus[msdu_count + i];
+		}
 		/* kfifo_put: In practice firmware shouldn't fire off per-CE
 		 * interrupt and main interrupt (MSI/-X range case) for the same
 		 * HTC service so it should be safe to use kfifo_put w/o lock.
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index bf05a36..f62ddd6 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -8352,6 +8352,10 @@ int ath10k_mac_register(struct ath10k *ar)
 
 	wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
 
+	if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI, ar->wmi.svc_map))
+		wiphy_ext_feature_set(ar->hw->wiphy,
+				NL80211_EXT_FEATURE_DATA_ACK_SIGNAL_SUPPORT);
+
 	/*
 	 * on LL hardware queues are managed entirely by the FW
 	 * so we only advertise to mac we can do the queues thing
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 6fbc84c..5c43c26 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -201,6 +201,7 @@ enum wmi_service {
 	WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
 	WMI_SERVICE_HOST_DFS_CHECK_SUPPORT,
 	WMI_SERVICE_TPC_STATS_FINAL,
+	WMI_SERVICE_TX_DATA_ACK_RSSI,
 
 	/* keep last */
 	WMI_SERVICE_MAX,
@@ -346,6 +347,8 @@ enum wmi_10_4_service {
 	WMI_10_4_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
 	WMI_10_4_SERVICE_HOST_DFS_CHECK_SUPPORT,
 	WMI_10_4_SERVICE_TPC_STATS_FINAL,
+	WMI_10_4_SERVICE_CFR_CAPTURE_SUPPORT,
+	WMI_10_4_SERVICE_TX_DATA_ACK_RSSI,
 };
 
 static inline char *wmi_service_name(int service_id)
@@ -458,6 +461,7 @@ static inline char *wmi_service_name(int service_id)
 	SVCSTR(WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS);
 	SVCSTR(WMI_SERVICE_HOST_DFS_CHECK_SUPPORT);
 	SVCSTR(WMI_SERVICE_TPC_STATS_FINAL);
+	SVCSTR(WMI_SERVICE_TX_DATA_ACK_RSSI);
 	default:
 		return NULL;
 	}
@@ -762,6 +766,8 @@ static inline void wmi_10_4_svc_map(const __le32 *in, unsigned long *out,
 	       WMI_SERVICE_HOST_DFS_CHECK_SUPPORT, len);
 	SVCMAP(WMI_10_4_SERVICE_TPC_STATS_FINAL,
 	       WMI_SERVICE_TPC_STATS_FINAL, len);
+	SVCMAP(WMI_10_4_SERVICE_TX_DATA_ACK_RSSI,
+	       WMI_SERVICE_TX_DATA_ACK_RSSI, len);
 }
 
 #undef SVCMAP
@@ -2904,6 +2910,7 @@ enum wmi_coex_version {
  * @WMI_10_4_TDLS_CONN_TRACKER_IN_HOST_MODE: TDLS connection tracker in host
  *	enable/disable
  * @WMI_10_4_TDLS_EXPLICIT_MODE_ONLY:Explicit TDLS mode enable/disable
+ * @WMI_10_4_TX_DATA_ACK_RSSI: Enable DATA ACK RSSI if firmware is capable
  */
 enum wmi_10_4_feature_mask {
 	WMI_10_4_LTEU_SUPPORT			= BIT(0),
@@ -2919,6 +2926,7 @@ enum wmi_10_4_feature_mask {
 	WMI_10_4_TDLS_UAPSD_SLEEP_STA		= BIT(10),
 	WMI_10_4_TDLS_CONN_TRACKER_IN_HOST_MODE = BIT(11),
 	WMI_10_4_TDLS_EXPLICIT_MODE_ONLY	= BIT(12),
+	WMI_10_4_TX_DATA_ACK_RSSI               = BIT(16),
 
 };
 
