+ retval = rte_eth_dev_adjust_nb_rx_tx_desc(port, &rx_ring_size,
+ &tx_ring_size);
+ if (retval != 0) {
+ RTE_LOG(ERR, VHOST_PORT, "Failed to adjust number of descriptors "
+ "for port %u: %s.\n", port, strerror(-retval));
+ return retval;
+ }
+ if (rx_ring_size > RTE_TEST_RX_DESC_DEFAULT) {
+ RTE_LOG(ERR, VHOST_PORT, "Mbuf pool has an insufficient size "
+ "for Rx queues on port %u.\n", port);
+ return -1;
+ }
+