+
+static int
+i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+ struct rte_eth_dev_data *dev_data = vf->dev_data;
+ uint32_t frame_size = mtu + I40E_ETH_OVERHEAD;
+ int ret = 0;
+
+ /* check if mtu is within the allowed range */
+ if ((mtu < ETHER_MIN_MTU) || (frame_size > I40E_FRAME_SIZE_MAX))
+ return -EINVAL;
+
+ /* mtu setting is forbidden if port is start */
+ if (dev_data->dev_started) {
+ PMD_DRV_LOG(ERR, "port %d must be stopped before configuration",
+ dev_data->port_id);
+ return -EBUSY;
+ }
+
+ if (frame_size > ETHER_MAX_LEN)
+ dev_data->dev_conf.rxmode.jumbo_frame = 1;
+ else
+ dev_data->dev_conf.rxmode.jumbo_frame = 0;
+
+ dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
+
+ return ret;
+}
+
+static void
+i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr)
+{
+ struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+
+ if (!is_valid_assigned_ether_addr(mac_addr)) {
+ PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
+ return;
+ }
+
+ if (is_same_ether_addr(mac_addr, dev->data->mac_addrs))
+ return;
+
+ if (vf->flags & I40E_FLAG_VF_MAC_BY_PF)
+ return;
+
+ i40evf_del_mac_addr_by_addr(dev, dev->data->mac_addrs);
+
+ i40evf_add_mac_addr(dev, mac_addr, 0, 0);
+}