MAC_CTRL_TX_FLOW  392 drivers/net/ethernet/atheros/atl1c/atl1c_hw.h #define MAC_CTRL_TX_FLOW		BIT(2)
MAC_CTRL_TX_FLOW  266 drivers/net/ethernet/atheros/atl1e/atl1e_hw.h #define     MAC_CTRL_TX_FLOW            4  /* 1: Transmit Flow Control Enable */
MAC_CTRL_TX_FLOW  196 drivers/net/ethernet/atheros/atlx/atlx.h #define MAC_CTRL_TX_FLOW		4