net/virtio: fix device configure without jumbo Rx offload

[dpdk.git] / drivers / net / virtio / virtio_ethdev.c

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 51fa85b..da1633d 100644 (file)
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -2103,10 +2103,14 @@ virtio_dev_configure(struct rte_eth_dev *dev)
                        return ret;
        }
 
-       if (rxmode->max_rx_pkt_len > hw->max_mtu + ether_hdr_len)
+       if ((rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) &&
+           (rxmode->max_rx_pkt_len > hw->max_mtu + ether_hdr_len))
                req_features &= ~(1ULL << VIRTIO_NET_F_MTU);
 
-       hw->max_rx_pkt_len = rxmode->max_rx_pkt_len;
+       if (rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
+               hw->max_rx_pkt_len = rxmode->max_rx_pkt_len;
+       else
+               hw->max_rx_pkt_len = ether_hdr_len + dev->data->mtu;
 
        if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM |
                           DEV_RX_OFFLOAD_TCP_CKSUM))