examples: adjust Rx and Tx descriptors to device limits

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

diff --git a/examples/l2fwd-keepalive/main.c b/examples/l2fwd-keepalive/main.c
index 3745348..3c6a9d3 100644 (file)
--- a/examples/l2fwd-keepalive/main.c
+++ b/examples/l2fwd-keepalive/main.c
@@ -677,6 +677,13 @@ main(int argc, char **argv)
                                "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 */