xgmac: Drop packets with eth_can_rx is false. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Message-id: 1436955553-22791-2-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>