+int
+rte_eth_dev_set_link_up(uint8_t port_id)
+{
+ struct rte_eth_dev *dev;
+
+ /* This function is only safe when called from the primary process
+ * in a multi-process setup*/
+ PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
+
+ if (port_id >= nb_ports) {
+ PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+ return -EINVAL;
+ }
+ dev = &rte_eth_devices[port_id];
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
+ return (*dev->dev_ops->dev_set_link_up)(dev);
+}
+
+int
+rte_eth_dev_set_link_down(uint8_t port_id)
+{
+ struct rte_eth_dev *dev;
+
+ /* This function is only safe when called from the primary process
+ * in a multi-process setup*/
+ PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
+
+ if (port_id >= nb_ports) {
+ PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+ return -EINVAL;
+ }
+ dev = &rte_eth_devices[port_id];
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
+ return (*dev->dev_ops->dev_set_link_down)(dev);
+}
+