ixgbe: Add support for NETIF_F_FCOE_MTU to 82599 devices

Enable netdev feature flag bit NETIF_F_FCOE_MTU for 82599 devices and enable
jumbo frame correspondingly when NETIF_F_FCOE_MTU is set.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c
index 116f12cc2c70..34bca45fbd17 100644
--- a/drivers/net/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c
@@ -148,8 +148,10 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
                                 IXGBE_FCRETA_SIZE;
                         netdev->features |= NETIF_F_FCOE_CRC;
                         netdev->features |= NETIF_F_FSO;
+                        netdev->features |= NETIF_F_FCOE_MTU;
                         netdev->vlan_features |= NETIF_F_FCOE_CRC;
                         netdev->vlan_features |= NETIF_F_FSO;
+                        netdev->vlan_features |= NETIF_F_FCOE_MTU;
                         netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1;
                         netdev_features_change(netdev);
                 }
@@ -180,8 +182,10 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
                                 adapter->ring_feature[RING_F_FCOE].indices = 0;
                                 netdev->features &= ~NETIF_F_FCOE_CRC;
                                 netdev->features &= ~NETIF_F_FSO;
+                                netdev->features &= ~NETIF_F_FCOE_MTU;
                                 netdev->vlan_features &= ~NETIF_F_FCOE_CRC;
                                 netdev->vlan_features &= ~NETIF_F_FSO;
+                                netdev->vlan_features &= ~NETIF_F_FCOE_MTU;
                                 netdev->fcoe_ddp_xid = 0;
                                 netdev_features_change(netdev);
                         }