REG_TPD_RING_SIZE  539 drivers/net/ethernet/atheros/atl1c/atl1c_hw.h #define REG_TPD_RING_SIZE		0x1584
REG_TPD_RING_SIZE  389 drivers/net/ethernet/atheros/atl1e/atl1e_hw.h #define REG_TPD_RING_SIZE               0x155C