static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
+ int max_frame = adapter->netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
u32 txdctl;
int i, j;
if (hw->mac.type == ixgbe_mac_82598EB)
netif_set_gso_max_size(adapter->netdev, 32768);
- ixgbe_dcb_calculate_tc_credits(&adapter->dcb_cfg, DCB_TX_CONFIG);
- ixgbe_dcb_calculate_tc_credits(&adapter->dcb_cfg, DCB_RX_CONFIG);
+#ifdef CONFIG_FCOE
+ if (adapter->netdev->features & NETIF_F_FCOE_MTU)
+ max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE);
+#endif
+
+ ixgbe_dcb_calculate_tc_credits(&adapter->dcb_cfg, max_frame,
+ DCB_TX_CONFIG);
+ ixgbe_dcb_calculate_tc_credits(&adapter->dcb_cfg, max_frame,
+ DCB_RX_CONFIG);
/* reconfigure the hardware */
ixgbe_dcb_hw_config(&adapter->hw, &adapter->dcb_cfg);