diff --git a/wmi/inc/wmi_unified_api.h b/wmi/inc/wmi_unified_api.h
index 79cd444113..1c5c603913 100644
--- a/wmi/inc/wmi_unified_api.h
+++ b/wmi/inc/wmi_unified_api.h
@@ -1588,6 +1588,10 @@ QDF_STATUS wmi_extract_mumimo_tx_count_ev_param(void *wmi_hdl, void *evt_buf,
 QDF_STATUS wmi_extract_peer_gid_userpos_list_ev_param(void *wmi_hdl,
 		void *evt_buf, wmi_host_peer_gid_userpos_list_event *param);
 
+QDF_STATUS
+wmi_extract_esp_estimate_ev_param(void *wmi_hdl, void *evt_buf,
+				  struct esp_estimation_event *param);
+
 QDF_STATUS wmi_extract_pdev_caldata_version_check_ev_param(void *wmi_hdl,
 		void *evt_buf, wmi_host_pdev_check_cal_version_event *param);
 
diff --git a/wmi/inc/wmi_unified_param.h b/wmi/inc/wmi_unified_param.h
index e2e48d2482..4bdb021d79 100644
--- a/wmi/inc/wmi_unified_param.h
+++ b/wmi/inc/wmi_unified_param.h
@@ -5535,6 +5535,7 @@ typedef enum {
 	wmi_debug_fatal_condition_eventid,
 #endif /* OL_ATH_SMART_LOGGING */
 	wmi_wlan_sar2_result_event_id,
+	wmi_esp_estimate_event_id,
 	wmi_events_max,
 } wmi_conv_event_id;
 
@@ -5678,7 +5679,7 @@ typedef enum {
 	wmi_pdev_param_tx_ack_timeout,
 	wmi_pdev_param_soft_tx_chain_mask,
 	wmi_pdev_param_cck_tx_enable,
-
+	wmi_pdev_param_esp_indication_period,
 	wmi_pdev_param_max,
 } wmi_conv_pdev_params_id;
 
@@ -7738,6 +7739,16 @@ struct sar_limit_event {
 			sar_limit_row[MAX_SAR_LIMIT_ROWS_SUPPORTED];
 };
 
+/**
+ * struct esp_estimation_event - esp airtime estimation event
+ * @ac_airtime_percentage: Estimated Airtime
+ * @pdev_id: PDEV_ID of Data
+ */
+struct esp_estimation_event {
+	uint32_t ac_airtime_percentage;
+	uint32_t pdev_id;
+};
+
 /*
  * struct wmi_peer_gid_userpos_list_event
  * @usr_list - User list
diff --git a/wmi/inc/wmi_unified_priv.h b/wmi/inc/wmi_unified_priv.h
index def37d1146..a9a7fe4ee8 100644
--- a/wmi/inc/wmi_unified_priv.h
+++ b/wmi/inc/wmi_unified_priv.h
@@ -1216,6 +1216,10 @@ QDF_STATUS (*extract_mumimo_tx_count_ev_param)(wmi_unified_t wmi_handle,
 QDF_STATUS (*extract_peer_gid_userpos_list_ev_param)(wmi_unified_t wmi_handle,
 	void *evt_buf, wmi_host_peer_gid_userpos_list_event *param);
 
+QDF_STATUS
+(*extract_esp_estimation_ev_param)(wmi_unified_t wmi_handle, void *evt_buf,
+				   struct esp_estimation_event *param);
+
 QDF_STATUS (*extract_pdev_caldata_version_check_ev_param)(
 	wmi_unified_t wmi_handle,
 	void *evt_buf, wmi_host_pdev_check_cal_version_event *param);
diff --git a/wmi/src/wmi_unified_api.c b/wmi/src/wmi_unified_api.c
index 562b605922..eb94cba9bd 100644
--- a/wmi/src/wmi_unified_api.c
+++ b/wmi/src/wmi_unified_api.c
@@ -5422,6 +5422,27 @@ QDF_STATUS wmi_extract_peer_gid_userpos_list_ev_param(void *wmi_hdl,
 	return QDF_STATUS_E_FAILURE;
 }
 
+/**
+ * wmi_extract_esp_estimate_ev_param() - extract air time from event
+ * @wmi_handle: wmi handle
+ * @evt_buf: pointer to event buffer
+ * @param: Pointer to hold esp event
+ *
+ * Return: QDF_STATUS_SUCCESS on success and QDF_STATUS_E_FAILURE for failure
+ */
+QDF_STATUS
+wmi_extract_esp_estimate_ev_param(void *wmi_hdl, void *evt_buf,
+				  struct esp_estimation_event *param)
+{
+	wmi_unified_t wmi_handle = (wmi_unified_t)wmi_hdl;
+
+	if (wmi_handle->ops->extract_esp_estimation_ev_param)
+		return wmi_handle->ops->extract_esp_estimation_ev_param(
+				wmi_handle, evt_buf, param);
+
+	return QDF_STATUS_E_FAILURE;
+}
+
 /**
  * wmi_extract_pdev_caldata_version_check_ev_param() - extract caldata
  * 						       from event
diff --git a/wmi/src/wmi_unified_non_tlv.c b/wmi/src/wmi_unified_non_tlv.c
index 0fd91eddbe..84d1d4e62b 100644
--- a/wmi/src/wmi_unified_non_tlv.c
+++ b/wmi/src/wmi_unified_non_tlv.c
@@ -6566,9 +6566,30 @@ static QDF_STATUS extract_mumimo_tx_count_ev_param_non_tlv(wmi_unified_t wmi_han
 	return QDF_STATUS_SUCCESS;
 }
 
+/**
+ * extract_esp_estimation_ev_param_non_tlv() - extract air time from event
+ * @wmi_handle: wmi handle
+ * @evt_buf: pointer to event buffer
+ * @param: Pointer to hold esp event
+ *
+ * Return: QDF_STATUS_SUCCESS
+ */
+QDF_STATUS extract_esp_estimation_ev_param_non_tlv(
+		wmi_unified_t wmi_handle,
+		void *evt_buf,
+		struct esp_estimation_event *param)
+{
+	wmi_esp_estimation_event *event = (wmi_esp_estimation_event *)evt_buf;
+
+	param->ac_airtime_percentage = event->ac_airtime_percentage;
+	param->pdev_id = WMI_NON_TLV_DEFAULT_PDEV_ID;
+
+	return QDF_STATUS_SUCCESS;
+}
+
 /**
  * extract_peer_gid_userpos_list_ev_param_non_tlv() - extract gid user position
- * 						      from event
+ * from event
  * @wmi_handle: wmi handle
  * @param evt_buf: pointer to event buffer
  * @param param: Pointer to hold peer user position list
@@ -8866,6 +8887,8 @@ struct wmi_ops non_tlv_ops =  {
 		send_dfs_average_radar_params_cmd_non_tlv,
 	.extract_dfs_status_from_fw = extract_dfs_status_from_fw_non_tlv,
 #endif
+	.extract_esp_estimation_ev_param =
+				extract_esp_estimation_ev_param_non_tlv,
 };
 
 /**
@@ -9171,6 +9194,8 @@ static void populate_non_tlv_events_id(uint32_t *event_ids)
 	event_ids[wmi_host_dfs_status_check_event_id] =
 		WMI_HOST_DFS_STATUS_CHECK_EVENTID;
 #endif
+	event_ids[wmi_esp_estimate_event_id] =
+					WMI_ESP_ESTIMATE_EVENTID;
 }
 
 /**
@@ -9359,6 +9384,8 @@ static void populate_pdev_param_non_tlv(uint32_t *pdev_param)
 	pdev_param[wmi_pdev_param_tx_ack_timeout] = WMI_UNAVAILABLE_PARAM;
 	pdev_param[wmi_pdev_param_soft_tx_chain_mask] =
 		WMI_PDEV_PARAM_SOFT_TX_CHAIN_MASK;
+	pdev_param[wmi_pdev_param_esp_indication_period] =
+		WMI_PDEV_PARAM_ESP_INDICATION_PERIOD;
 	pdev_param[wmi_pdev_param_rfkill_enable] = WMI_UNAVAILABLE_PARAM;
 	pdev_param[wmi_pdev_param_hw_rfkill_config] = WMI_UNAVAILABLE_PARAM;
 	pdev_param[wmi_pdev_param_low_power_rf_enable] = WMI_UNAVAILABLE_PARAM;