IGC_CTRL_RFCE
ctrl &= (~(IGC_CTRL_TFCE | IGC_CTRL_RFCE));
ctrl |= IGC_CTRL_RFCE;
ctrl &= (~IGC_CTRL_RFCE);
ctrl |= (IGC_CTRL_TFCE | IGC_CTRL_RFCE);
(ctrl & IGC_CTRL_RFCE) ? "RX/TX" :
(ctrl & IGC_CTRL_RFCE) ? "RX" :