net/i40e: consider QinQ when setting MTU

[dpdk.git] / drivers / net / i40e / i40e_ethdev.c

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index f85e0aa4da0a1e5f7d3280f8070f0f85cd5daed3..4c49673fac2d646504b78461721bcced203b990b 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -10593,8 +10593,7 @@ i40e_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 {
        struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
        struct rte_eth_dev_data *dev_data = pf->dev_data;
-       uint32_t frame_size = mtu + ETHER_HDR_LEN
-                             + ETHER_CRC_LEN + I40E_VLAN_TAG_SIZE;
+       uint32_t frame_size = mtu + I40E_ETH_OVERHEAD;
        int ret = 0;
 
        /* check if mtu is within the allowed range */