diff --git a/umac/global_umac_dispatcher/lmac_if/inc/wlan_lmac_if_def.h b/umac/global_umac_dispatcher/lmac_if/inc/wlan_lmac_if_def.h
index ee9945c6e3..b19548626f 100644
--- a/umac/global_umac_dispatcher/lmac_if/inc/wlan_lmac_if_def.h
+++ b/umac/global_umac_dispatcher/lmac_if/inc/wlan_lmac_if_def.h
@@ -597,6 +597,7 @@ struct wlan_lmac_if_reg_tx_ops {
  *                                      support.
  * @dfs_send_avg_radar_params_to_fw:    Send average radar parameters to FW.
  * @dfs_send_usenol_pdev_param:         Send usenol pdev param to FW.
+ * @dfs_send_subchan_marking_pdev_param: Send subchan marking pdev param to FW.
  */
 
 struct wlan_lmac_if_dfs_tx_ops {
@@ -643,6 +644,9 @@ struct wlan_lmac_if_dfs_tx_ops {
 			struct dfs_radar_found_params *params);
 	QDF_STATUS (*dfs_send_usenol_pdev_param)(struct wlan_objmgr_pdev *pdev,
 						 bool usenol);
+	QDF_STATUS (*dfs_send_subchan_marking_pdev_param)(
+			struct wlan_objmgr_pdev *pdev,
+			bool subchanmark);
 };
 
 /**
diff --git a/wmi/inc/wmi_unified_dfs_api.h b/wmi/inc/wmi_unified_dfs_api.h
index 1626e5bd88..b7e644702d 100644
--- a/wmi/inc/wmi_unified_dfs_api.h
+++ b/wmi/inc/wmi_unified_dfs_api.h
@@ -70,6 +70,7 @@ QDF_STATUS wmi_extract_wlan_radar_event_info(void *wmi_hdl,
 		uint32_t len);
 #endif
 
+#if defined(WLAN_DFS_FULL_OFFLOAD) && defined(QCA_DFS_NOL_OFFLOAD)
 /**
  * wmi_send_usenol_pdev_param() - function to send usenol pdev param.
  * @wmi_hdl: wmi handle
@@ -78,9 +79,22 @@ QDF_STATUS wmi_extract_wlan_radar_event_info(void *wmi_hdl,
  *
  * Return: QDF_STATUS
  */
-#if defined(WLAN_DFS_FULL_OFFLOAD) && defined(QCA_DFS_NOL_OFFLOAD)
 QDF_STATUS wmi_send_usenol_pdev_param(void *wmi_hdl, bool usenol,
 				      struct wlan_objmgr_pdev *pdev);
+
+/**
+ * wmi_send_subchan_marking_pdev_param() - Function to send subchannel
+ * marking pdev param.
+ * @wmi_hdl: WMI handle.
+ * @subchanmark: Value of use subchannel marking.
+ * @pdev: Pointer to objmgr_pdev structure.
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS
+wmi_send_subchan_marking_pdev_param(void *wmi_hdl,
+				    bool subchanmark,
+				    struct wlan_objmgr_pdev *pdev);
 #else
 static inline QDF_STATUS
 wmi_send_usenol_pdev_param(void *wmi_hdl, bool usenol,
@@ -88,5 +102,13 @@ wmi_send_usenol_pdev_param(void *wmi_hdl, bool usenol,
 {
 	return QDF_STATUS_SUCCESS;
 }
+
+static inline QDF_STATUS
+wmi_send_subchan_marking_pdev_param(void *wmi_hdl,
+				    bool subchanmark,
+				    struct wlan_objmgr_pdev *pdev)
+{
+	return QDF_STATUS_SUCCESS;
+}
 #endif
 #endif /* _WMI_UNIFIED_DFS_API_H_ */
diff --git a/wmi/inc/wmi_unified_param.h b/wmi/inc/wmi_unified_param.h
index 734d901102..d827352dc4 100644
--- a/wmi/inc/wmi_unified_param.h
+++ b/wmi/inc/wmi_unified_param.h
@@ -4934,6 +4934,7 @@ typedef enum {
 	wmi_pdev_param_enable_peer_retry_stats,
 	wmi_pdev_param_ul_trig_int,
 	wmi_pdev_param_max,
+	wmi_pdev_param_sub_channel_marking,
 } wmi_conv_pdev_params_id;
 
 
diff --git a/wmi/src/wmi_unified_dfs_api.c b/wmi/src/wmi_unified_dfs_api.c
index 062402d57a..05bf68c5ff 100644
--- a/wmi/src/wmi_unified_dfs_api.c
+++ b/wmi/src/wmi_unified_dfs_api.c
@@ -93,4 +93,25 @@ QDF_STATUS wmi_send_usenol_pdev_param(void *wmi_hdl, bool usenol,
 
 	return wmi_unified_pdev_param_send(wmi_handle, &pparam, pdev_idx);
 }
+
+QDF_STATUS
+wmi_send_subchan_marking_pdev_param(void *wmi_hdl,
+				    bool subchanmark,
+				    struct wlan_objmgr_pdev *pdev)
+{
+	struct pdev_params pparam;
+	int pdev_idx;
+	struct wmi_unified *wmi_handle = (struct wmi_unified *)wmi_hdl;
+
+	pdev_idx = lmac_get_pdev_idx(pdev);
+	if (pdev_idx < 0)
+		return QDF_STATUS_E_FAILURE;
+
+	qdf_mem_set(&pparam, sizeof(pparam), 0);
+	pparam.param_id = wmi_pdev_param_sub_channel_marking;
+	pparam.param_value = subchanmark;
+
+	return wmi_unified_pdev_param_send(wmi_handle, &pparam, pdev_idx);
+}
+
 #endif
diff --git a/wmi/src/wmi_unified_tlv.c b/wmi/src/wmi_unified_tlv.c
index 2269330446..ef5eb54f93 100644
--- a/wmi/src/wmi_unified_tlv.c
+++ b/wmi/src/wmi_unified_tlv.c
@@ -12118,6 +12118,8 @@ static void populate_pdev_param_tlv(uint32_t *pdev_param)
 	/* Trigger interval for all trigger types. */
 	pdev_param[wmi_pdev_param_ul_trig_int] =
 				WMI_PDEV_PARAM_SET_UL_BSR_TRIG_INTERVAL;
+	pdev_param[wmi_pdev_param_sub_channel_marking] =
+				WMI_PDEV_PARAM_SUB_CHANNEL_MARKING;
 }
 
 /**