examples: adjust Rx and Tx descriptors to device limits

[dpdk.git] / examples / l2fwd / main.c

diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c
index f966727..00759b9 100644 (file)
--- a/examples/l2fwd/main.c
+++ b/examples/l2fwd/main.c
@@ -666,6 +666,13 @@ main(int argc, char **argv)
                        rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
                                  ret, (unsigned) portid);
 
+               ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
+                                                      &nb_txd);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "Cannot adjust number of descriptors: err=%d, port=%u\n",
+                                ret, (unsigned) portid);
+
                rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[portid]);
 
                /* init one RX queue */