diff --git a/drivers/net/ethernet/freescale/enetc/ntmp.c b/drivers/net/ethernet/freescale/enetc/ntmp.c
index f71cad943424..bda26fe93b8d 100644
--- a/drivers/net/ethernet/freescale/enetc/ntmp.c
+++ b/drivers/net/ethernet/freescale/enetc/ntmp.c
@@ -31,6 +31,7 @@
 #define NTMP_GEN_UA_STSEU		BIT(1)
 
 /* Specific Update Actions for some tables */
+#define FDBT_UA_ACTEU			BIT(1)
 #define BPT_UA_BPSEU			BIT(1)
 
 /* Query Action: 0: Full query. 1: Query entry ID, the fields after entry
@@ -793,6 +794,167 @@ int ntmp_fdbt_search_port_entry(struct ntmp_user *user, int port,
 }
 EXPORT_SYMBOL_GPL(ntmp_fdbt_search_port_entry);
 
+/**
+ * ntmp_fdbt_update_activity_element - update the activity element of all
+ * the dynamic entries in the FDB table.
+ * @user: target ntmp_user struct
+ *
+ * A single activity update management could be used to process all the
+ * dynamic entries in the FDB table. When hardware process an activity
+ * update management command for an entry in the FDB table and the entry
+ * does not have its activity flag set, the activity counter is incremented.
+ * However, if the activity flag is set, then both the activity flag and
+ * activity counter are reset. Software can issue the activity update
+ * management commands at predefined times and the value of the activity
+ * counter can then be used to estimate the period of how long an FDB
+ * entry has been inactive.
+ *
+ * Return: 0 on success, otherwise a negative error code
+ */
+int ntmp_fdbt_update_activity_element(struct ntmp_user *user)
+{
+	struct fdbt_req_ua *req;
+	struct netc_swcbd swcbd;
+	struct netc_cbdr *cbdr;
+	union netc_cbd cbd;
+	u32 len;
+	int err;
+
+	swcbd.size = sizeof(*req);
+	err = ntmp_alloc_data_mem(user->dev, &swcbd, (void **)&req);
+	if (err)
+		return err;
+
+	/* Request data */
+	ntmp_fill_crd(&req->crd, user->tbl.fdbt_ver, 0, FDBT_UA_ACTEU);
+	req->ak.search.resume_eid = cpu_to_le32(NTMP_NULL_ENTRY_ID);
+	req->ak.search.cfge.cfg = cpu_to_le32(FDBT_DYNAMIC);
+	req->ak.search.cfge_mc = FDBT_CFGE_MC_DYNAMIC;
+
+	/* Request header */
+	len = NTMP_LEN(swcbd.size, NTMP_STATUS_RESP_LEN);
+	/* For activity update, the access method must be search */
+	ntmp_fill_request_hdr(&cbd, swcbd.dma, len, NTMP_FDBT_ID,
+			      NTMP_CMD_UPDATE, NTMP_AM_SEARCH);
+
+	ntmp_select_and_lock_cbdr(user, &cbdr);
+	err = netc_xmit_ntmp_cmd(cbdr, &cbd, &swcbd);
+	if (err)
+		dev_err(user->dev,
+			"Failed to update activity of %s, err: %pe\n",
+			ntmp_table_name(NTMP_FDBT_ID), ERR_PTR(err));
+
+	ntmp_unlock_cbdr(cbdr);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(ntmp_fdbt_update_activity_element);
+
+/**
+ * ntmp_fdbt_delete_ageing_entries - delete all the ageing dynamic entries
+ * in the FDB table
+ * @user: target ntmp_user struct
+ * @act_cnt: the target value of the activity counter
+ *
+ * The matching rule is that the activity flag is not set and the activity
+ * counter is greater than or equal to act_cnt
+ *
+ * Return: 0 on success, otherwise a negative error code
+ */
+int ntmp_fdbt_delete_ageing_entries(struct ntmp_user *user, u8 act_cnt)
+{
+	struct fdbt_req_qd *req;
+	struct netc_swcbd swcbd;
+	struct netc_cbdr *cbdr;
+	union netc_cbd cbd;
+	u32 len;
+	int err;
+
+	if (act_cnt > FDBT_ACT_CNT)
+		return -EINVAL;
+
+	swcbd.size = sizeof(*req);
+	err = ntmp_alloc_data_mem(user->dev, &swcbd, (void **)&req);
+	if (err)
+		return err;
+
+	/* Request data */
+	ntmp_fill_crd(&req->crd, user->tbl.fdbt_ver, 0, 0);
+	req->ak.search.resume_eid = cpu_to_le32(NTMP_NULL_ENTRY_ID);
+	req->ak.search.cfge.cfg = cpu_to_le32(FDBT_DYNAMIC);
+	req->ak.search.acte = act_cnt;
+	/* Exact match with ACTE_DATA[ACT_FLAG] AND
+	 * match >= ACTE_DATA[ACT_CNT]
+	 */
+	req->ak.search.acte_mc = FDBT_ACTE_MC;
+	req->ak.search.cfge_mc = FDBT_CFGE_MC_DYNAMIC;
+
+	/* Request header */
+	len = NTMP_LEN(swcbd.size, NTMP_STATUS_RESP_LEN);
+	ntmp_fill_request_hdr(&cbd, swcbd.dma, len, NTMP_FDBT_ID,
+			      NTMP_CMD_DELETE, NTMP_AM_SEARCH);
+
+	ntmp_select_and_lock_cbdr(user, &cbdr);
+	err = netc_xmit_ntmp_cmd(cbdr, &cbd, &swcbd);
+	if (err)
+		dev_err(user->dev,
+			"Failed to delete ageing entries of %s, err: %pe\n",
+			ntmp_table_name(NTMP_FDBT_ID), ERR_PTR(err));
+
+	ntmp_unlock_cbdr(cbdr);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(ntmp_fdbt_delete_ageing_entries);
+
+/**
+ * ntmp_fdbt_delete_port_dynamic_entries - delete all dynamic FDB entries
+ * associated with the specified switch port
+ * @user: target ntmp_user struct
+ * @port: the specified switch port ID
+ *
+ * Return: 0 on success, otherwise a negative error code
+ */
+int ntmp_fdbt_delete_port_dynamic_entries(struct ntmp_user *user, int port)
+{
+	struct fdbt_req_qd *req;
+	struct netc_swcbd swcbd;
+	struct netc_cbdr *cbdr;
+	union netc_cbd cbd;
+	u32 len;
+	int err;
+
+	swcbd.size = sizeof(*req);
+	err = ntmp_alloc_data_mem(user->dev, &swcbd, (void **)&req);
+	if (err)
+		return err;
+
+	/* Request data */
+	ntmp_fill_crd(&req->crd, user->tbl.fdbt_ver, 0, 0);
+	req->ak.search.resume_eid = cpu_to_le32(NTMP_NULL_ENTRY_ID);
+	req->ak.search.cfge.port_bitmap = cpu_to_le32(BIT(port));
+	req->ak.search.cfge.cfg = cpu_to_le32(FDBT_DYNAMIC);
+	/* Match CFGE_DATA[DYNAMIC & PORT_BITMAP] field */
+	req->ak.search.cfge_mc = FDBT_CFGE_MC_DYNAMIC_AND_PORT_BITMAP;
+
+	/* Request header */
+	len = NTMP_LEN(swcbd.size, NTMP_STATUS_RESP_LEN);
+	ntmp_fill_request_hdr(&cbd, swcbd.dma, len, NTMP_FDBT_ID,
+			      NTMP_CMD_DELETE, NTMP_AM_SEARCH);
+
+	ntmp_select_and_lock_cbdr(user, &cbdr);
+	err = netc_xmit_ntmp_cmd(cbdr, &cbd, &swcbd);
+	if (err)
+		dev_err(user->dev,
+			"Failed to delete dynamic %s entries on port %d, err: %pe\n",
+			ntmp_table_name(NTMP_FDBT_ID), port, ERR_PTR(err));
+
+	ntmp_unlock_cbdr(cbdr);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(ntmp_fdbt_delete_port_dynamic_entries);
+
 /**
  * ntmp_vft_add_entry - add an entry into the VLAN filter table
  * @user: target ntmp_user struct
diff --git a/drivers/net/ethernet/freescale/enetc/ntmp_private.h b/drivers/net/ethernet/freescale/enetc/ntmp_private.h
index 0a9b87286105..ad532b059ba8 100644
--- a/drivers/net/ethernet/freescale/enetc/ntmp_private.h
+++ b/drivers/net/ethernet/freescale/enetc/ntmp_private.h
@@ -155,8 +155,8 @@ struct fdbt_ak_search {
 #define FDBT_KEYE_MAC		GENMASK(1, 0)
 	u8 cfge_mc;
 #define FDBT_CFGE_MC		GENMASK(2, 0)
-#define FDBT_CFGE_MC_ANY		0
-#define FDBT_CFGE_MC_DYNAMIC		1
+#define FDBT_CFGE_MC_ANY	0
+#define FDBT_CFGE_MC_DYNAMIC	1
 #define FDBT_CFGE_MC_PORT_BITMAP	2
 #define FDBT_CFGE_MC_DYNAMIC_AND_PORT_BITMAP	3
 	u8 acte_mc;
diff --git a/include/linux/fsl/ntmp.h b/include/linux/fsl/ntmp.h
index 88166f9ad3a2..5db078e1caa0 100644
--- a/include/linux/fsl/ntmp.h
+++ b/include/linux/fsl/ntmp.h
@@ -263,6 +263,9 @@ int ntmp_fdbt_delete_entry(struct ntmp_user *user, u32 entry_id);
 int ntmp_fdbt_search_port_entry(struct ntmp_user *user, int port,
 				u32 *resume_entry_id,
 				struct fdbt_entry_data *entry);
+int ntmp_fdbt_update_activity_element(struct ntmp_user *user);
+int ntmp_fdbt_delete_ageing_entries(struct ntmp_user *user, u8 act_cnt);
+int ntmp_fdbt_delete_port_dynamic_entries(struct ntmp_user *user, int port);
 int ntmp_vft_add_entry(struct ntmp_user *user, u16 vid,
 		       const struct vft_cfge_data *cfge);
 int ntmp_bpt_update_entry(struct ntmp_user *user, u32 entry_id,