1003#define ETH_MAC_TXFIFO_READ 0x00100000U /* Tx FIFO read status: Read (transferring data to the MAC transmitter) */
1004#define ETH_MAC_TXFIFO_WAITING 0x00200000U /* Tx FIFO read status: Waiting for TxStatus from MAC transmitter */
1005#define ETH_MAC_TXFIFO_WRITING 0x00300000U /* Tx FIFO read status: Writing the received TxStatus or flushing the TxFIFO */
1006#define ETH_MAC_TRANSMISSION_PAUSE 0x00080000U /* MAC transmitter in pause */
1007#define ETH_MAC_TRANSMITFRAMECONTROLLER_IDLE 0x00000000U /* MAC transmit frame controller: Idle */
1008#define ETH_MAC_TRANSMITFRAMECONTROLLER_WAITING 0x00020000U /* MAC transmit frame controller: Waiting for Status of previous frame or IFG/backoff period to be over */
1009#define ETH_MAC_TRANSMITFRAMECONTROLLER_GENRATING_PCF 0x00040000U /* MAC transmit frame controller: Generating and transmitting a Pause control frame (in full duplex mode) */
1010#define ETH_MAC_TRANSMITFRAMECONTROLLER_TRANSFERRING 0x00060000U /* MAC transmit frame controller: Transferring input frame for transmission */
1011#define ETH_MAC_MII_TRANSMIT_ACTIVE 0x00010000U /* MAC MII transmit engine active */
1012#define ETH_MAC_RXFIFO_EMPTY 0x00000000U /* Rx FIFO fill level: empty */