diff --git a/wmi_unified_api.h b/wmi_unified_api.h
index 43931867eb..5c8505d9ca 100644
--- a/wmi_unified_api.h
+++ b/wmi_unified_api.h
@@ -1096,6 +1096,16 @@ QDF_STATUS wmi_unified_vdev_set_fwtest_param_cmd_send(void *wmi_hdl,
 QDF_STATUS wmi_unified_vdev_config_ratemask_cmd_send(void *wmi_hdl,
 				struct config_ratemask_params *param);
 
+/**
+ *  wmi_unified_vdev_set_custom_aggr_size_cmd_send() - WMI set custom aggr
+ *						       size command
+ *  @param wmi_hdl      : handle to WMI.
+ *  @param param        : pointer to hold custom aggr size param
+ *
+ *  @return QDF_STATUS_SUCCESS on success and QDF_STATUS_E_FAILURE for failure
+ */
+QDF_STATUS wmi_unified_vdev_set_custom_aggr_size_cmd_send(void *wmi_hdl,
+				struct set_custom_aggr_size_params *param);
 
 QDF_STATUS wmi_unified_pdev_set_regdomain_cmd_send(void *wmi_hdl,
 				struct pdev_set_regdomain_params *param);
diff --git a/wmi_unified_param.h b/wmi_unified_param.h
index 98bdc6a498..2bc6145ce0 100644
--- a/wmi_unified_param.h
+++ b/wmi_unified_param.h
@@ -3747,6 +3747,37 @@ struct set_fwtest_params {
 	uint32_t value;
 };
 
+/**
+ * struct set_custom_aggr_size_params - custom aggr size params
+ * @vdev_id      : vdev id
+ * @tx_aggr_size : TX aggr size
+ * @rx_aggr_size : RX aggr size
+ * @enable_bitmap: Bitmap for aggr size check
+ */
+struct set_custom_aggr_size_params {
+	uint32_t  vdev_id;
+	uint32_t tx_aggr_size;
+	uint32_t rx_aggr_size;
+	uint32_t ac:2,
+		 aggr_type:1,
+		 tx_aggr_size_disable:1,
+		 rx_aggr_size_disable:1,
+		 tx_ac_enable:1,
+		 reserved:26;
+};
+
+/**
+ * enum wmi_host_custom_aggr_type_t: custon aggregate type
+ * @WMI_HOST_CUSTOM_AGGR_TYPE_AMPDU: A-MPDU aggregation
+ * @WMI_HOST_CUSTOM_AGGR_TYPE_AMSDU: A-MSDU aggregation
+ * @WMI_HOST_CUSTOM_AGGR_TYPE_MAX: Max type
+ */
+enum wmi_host_custom_aggr_type_t {
+	WMI_HOST_CUSTOM_AGGR_TYPE_AMPDU = 0,
+	WMI_HOST_CUSTOM_AGGR_TYPE_AMSDU = 1,
+	WMI_HOST_CUSTOM_AGGR_TYPE_MAX,
+};
+
 /**
  * struct config_ratemask_params - ratemask config parameters
  * @vdev_id: vdev id
@@ -5668,6 +5699,7 @@ typedef enum {
 	wmi_vdev_param_set_heop,
 	wmi_vdev_param_disable_cabq,
 
+	wmi_vdev_param_rate_dropdown_bmap,
 	wmi_vdev_param_max,
 } wmi_conv_vdev_param_id;
 
diff --git a/wmi_unified_priv.h b/wmi_unified_priv.h
index 201e1cef02..a1caad3785 100644
--- a/wmi_unified_priv.h
+++ b/wmi_unified_priv.h
@@ -895,6 +895,8 @@ QDF_STATUS (*send_vdev_set_fwtest_param_cmd)(wmi_unified_t wmi_handle,
 QDF_STATUS (*send_vdev_config_ratemask_cmd)(wmi_unified_t wmi_handle,
 		struct config_ratemask_params *param);
 
+QDF_STATUS (*send_vdev_set_custom_aggr_size_cmd)(wmi_unified_t wmi_handle,
+		struct set_custom_aggr_size_params *param);
 
 QDF_STATUS (*send_wow_wakeup_cmd)(wmi_unified_t wmi_handle);