XAE_MTU
#define XAE_MAX_FRAME_SIZE (XAE_MTU + XAE_HDR_SIZE + XAE_TRL_SIZE)
#define XAE_MAX_VLAN_FRAME_SIZE (XAE_MTU + VLAN_ETH_HLEN + XAE_TRL_SIZE)
if (ndev->mtu > XAE_MTU && ndev->mtu <= XAE_JUMBO_MTU) {