+static int
+rte_pmd_ring_remove(struct rte_vdev_device *dev)
+{
+ const char *name = rte_vdev_device_name(dev);
+ struct rte_eth_dev *eth_dev = NULL;
+ struct pmd_internals *internals = NULL;
+ struct ring_queue *r = NULL;
+ uint16_t i;
+
+ RTE_LOG(INFO, PMD, "Un-Initializing pmd_ring for %s\n", name);
+
+ if (name == NULL)
+ return -EINVAL;
+
+ /* find an ethdev entry */
+ eth_dev = rte_eth_dev_allocated(name);
+ if (eth_dev == NULL)
+ return -ENODEV;
+
+ eth_dev_stop(eth_dev);
+
+ internals = eth_dev->data->dev_private;
+ if (internals->action == DEV_CREATE) {
+ /*
+ * it is only necessary to delete the rings in rx_queues because
+ * they are the same used in tx_queues
+ */
+ for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
+ r = eth_dev->data->rx_queues[i];
+ rte_ring_free(r->rng);
+ }
+ }
+
+ rte_free(eth_dev->data->rx_queues);
+ rte_free(eth_dev->data->tx_queues);
+ rte_free(eth_dev->data->dev_private);
+
+ rte_free(eth_dev->data);
+
+ rte_eth_dev_release_port(eth_dev);
+ return 0;
+}
+
+static struct rte_vdev_driver pmd_ring_drv = {
+ .probe = rte_pmd_ring_probe,
+ .remove = rte_pmd_ring_remove,