921#define ETH_MAC_TXFIFO_READ ((uint32_t)0x00100000) /* Tx FIFO read status: Read (transferring data to the MAC transmitter) */
922#define ETH_MAC_TXFIFO_WAITING ((uint32_t)0x00200000) /* Tx FIFO read status: Waiting for TxStatus from MAC transmitter */
923#define ETH_MAC_TXFIFO_WRITING ((uint32_t)0x00300000) /* Tx FIFO read status: Writing the received TxStatus or flushing the TxFIFO */
924#define ETH_MAC_TRANSMISSION_PAUSE ((uint32_t)0x00080000) /* MAC transmitter in pause */
925#define ETH_MAC_TRANSMITFRAMECONTROLLER_IDLE ((uint32_t)0x00000000) /* MAC transmit frame controller: Idle */
926#define ETH_MAC_TRANSMITFRAMECONTROLLER_WAITING ((uint32_t)0x00020000) /* MAC transmit frame controller: Waiting for Status of previous frame or IFG/backoff period to be over */
927#define ETH_MAC_TRANSMITFRAMECONTROLLER_GENRATING_PCF ((uint32_t)0x00040000) /* MAC transmit frame controller: Generating and transmitting a Pause control frame (in full duplex mode) */
928#define ETH_MAC_TRANSMITFRAMECONTROLLER_TRANSFERRING ((uint32_t)0x00060000) /* MAC transmit frame controller: Transferring input frame for transmission */
929#define ETH_MAC_MII_TRANSMIT_ACTIVE ((uint32_t)0x00010000) /* MAC MII transmit engine active */
930#define ETH_MAC_RXFIFO_EMPTY ((uint32_t)0x00000000) /* Rx FIFO fill level: empty */