DMA_DSR1 3256 drivers/net/ethernet/amd/xgbe/xgbe-dev.c tx_dsr = DMA_DSR1 + ((tx_qidx / DMA_DSRX_QPR) * DMA_DSRX_INC); DMA_DSR1 470 drivers/net/ethernet/synopsys/dwc-xlgmac-hw.c tx_dsr = DMA_DSR1 + ((tx_qidx / DMA_DSRX_QPR) * DMA_DSRX_INC);