* Rx Flow control is enabled and Tx Flow control is disabled
* by a software over-ride. Since there really isn't a way to
* advertise that we are capable of Rx Pause ONLY, we will
* advertise that we support both symmetric and asymmetric Rx
* PAUSE. Later, we will disable the adapter's ability to send
* PAUSE frames.
* Rx Flow control is enabled and Tx Flow control is disabled
* by a software over-ride. Since there really isn't a way to
* advertise that we are capable of Rx Pause ONLY, we will
* advertise that we support both symmetric and asymmetric Rx
* PAUSE. Later, we will disable the adapter's ability to send
* PAUSE frames.