ath10k: add support for ack rssi value of data tx packets

In WCN3990, WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI service Indicates that
the firmware has the capability to send the RSSI value of the ACK for all
data and management packets transmitted.

If WMI_RSRC_CFG_FLAG_TX_ACK_RSSI is set in host capability then firmware
sends RSSI value in "data" tx completion event. Host extracts ack rssi
values of data packets from their tx completion event.

Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01617-QCAHLSWMTPLZ-1

Signed-off-by: Abhishek Ambure <aambure@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/ath10k/hw.h

@@ -609,6 +609,8 @@ struct ath10k_hw_params {
 };
 
 struct htt_rx_desc;
+struct htt_resp;
+struct htt_data_tx_completion_ext;
 
 /* Defines needed for Rx descriptor abstraction */
 struct ath10k_hw_ops {
@@ -616,6 +618,8 @@ struct ath10k_hw_ops {
 	void (*set_coverage_class)(struct ath10k *ar, s16 value);
 	int (*enable_pll_clk)(struct ath10k *ar);
 	bool (*rx_desc_get_msdu_limit_error)(struct htt_rx_desc *rxd);
+	int (*tx_data_rssi_pad_bytes)(struct htt_resp *htt);
+	int (*is_rssi_enable)(struct htt_resp *resp);
 };
 
 extern const struct ath10k_hw_ops qca988x_ops;
@@ -643,6 +647,24 @@ ath10k_rx_desc_msdu_limit_error(struct ath10k_hw_params *hw,
 	return false;
 }
 
+static inline int
+ath10k_tx_data_rssi_get_pad_bytes(struct ath10k_hw_params *hw,
+				  struct htt_resp *htt)
+{
+	if (hw->hw_ops->tx_data_rssi_pad_bytes)
+		return hw->hw_ops->tx_data_rssi_pad_bytes(htt);
+	return 0;
+}
+
+static inline int
+ath10k_is_rssi_enable(struct ath10k_hw_params *hw,
+		      struct htt_resp *resp)
+{
+	if (hw->hw_ops->is_rssi_enable)
+		return hw->hw_ops->is_rssi_enable(resp);
+	return 0;
+}
+
 /* Target specific defines for MAIN firmware */
 #define TARGET_NUM_VDEVS			8
 #define TARGET_NUM_PEER_AST			2