net/ixgbevf: remove MTU setting limitation

[dpdk.git] / drivers / net / ixgbe / ixgbe_ethdev.c

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 95b9fa4..975fa47 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -6353,20 +6353,22 @@ ixgbevf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 {
        struct ixgbe_hw *hw;
        uint32_t max_frame = mtu + IXGBE_ETH_OVERHEAD;
-       struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
+       struct rte_eth_dev_data *dev_data = dev->data;
 
        hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 
        if ((mtu < ETHER_MIN_MTU) || (max_frame > ETHER_MAX_JUMBO_FRAME_LEN))
                return -EINVAL;
 
-       /* refuse mtu that requires the support of scattered packets when this
-        * feature has not been enabled before.
+       /* If device is started, refuse mtu that requires the support of
+        * scattered packets when this feature has not been enabled before.
         */
-       if (!(rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER) &&
+       if (dev_data->dev_started && !dev_data->scattered_rx &&
            (max_frame + 2 * IXGBE_VLAN_TAG_SIZE >
-            dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM))
+            dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) {
+               PMD_INIT_LOG(ERR, "Stop port first.");
                return -EINVAL;
+       }
 
        /*
         * When supported by the underlying PF driver, use the IXGBE_VF_SET_MTU