ethdev: allow maximum packet length to less than 1518

[dpdk.git] / lib / librte_ether / rte_ethdev.c

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 42333ee..3d5d64c 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -661,9 +661,13 @@ rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
                                (unsigned)ETHER_MIN_LEN);
                        return (-EINVAL);
                }
-       } else
-               /* Use default value */
-               dev->data->dev_conf.rxmode.max_rx_pkt_len = ETHER_MAX_LEN;
+       } else {
+               if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
+                       dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
+                       /* Use default value */
+                       dev->data->dev_conf.rxmode.max_rx_pkt_len =
+                                                       ETHER_MAX_LEN;
+       }
 
        /* multipe queue mode checking */
        diag = rte_eth_dev_check_mq_mode(port_id, nb_rx_q, nb_tx_q, dev_conf);