MAC_CTRL_TX_EN    394 drivers/net/ethernet/atheros/atl1c/atl1c_hw.h #define MAC_CTRL_TX_EN			BIT(0)
MAC_CTRL_TX_EN    264 drivers/net/ethernet/atheros/atl1e/atl1e_hw.h #define     MAC_CTRL_TX_EN              1  /* 1: Transmit Enable */
MAC_CTRL_TX_EN    194 drivers/net/ethernet/atheros/atlx/atlx.h #define MAC_CTRL_TX_EN			1