net: axienet: Add DMA registers to ethtool register dump

These registers are important for troubleshooting the state of the DMA
cores.

Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 2c2d626..4df424c 100644 (file)
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -50,7 +50,7 @@
 #define DRIVER_DESCRIPTION     "Xilinx Axi Ethernet driver"
 #define DRIVER_VERSION         "1.00a"
 
-#define AXIENET_REGS_N         32
+#define AXIENET_REGS_N         40
 
 /* Match table for of_platform binding */
 static const struct of_device_id axienet_of_match[] = {
@@ -1179,6 +1179,14 @@ static void axienet_ethtools_get_regs(struct net_device *ndev,
        data[29] = axienet_ior(lp, XAE_FMI_OFFSET);
        data[30] = axienet_ior(lp, XAE_AF0_OFFSET);
        data[31] = axienet_ior(lp, XAE_AF1_OFFSET);
+       data[32] = axienet_dma_in32(lp, XAXIDMA_TX_CR_OFFSET);
+       data[33] = axienet_dma_in32(lp, XAXIDMA_TX_SR_OFFSET);
+       data[34] = axienet_dma_in32(lp, XAXIDMA_TX_CDESC_OFFSET);
+       data[35] = axienet_dma_in32(lp, XAXIDMA_TX_TDESC_OFFSET);
+       data[36] = axienet_dma_in32(lp, XAXIDMA_RX_CR_OFFSET);
+       data[37] = axienet_dma_in32(lp, XAXIDMA_RX_SR_OFFSET);
+       data[38] = axienet_dma_in32(lp, XAXIDMA_RX_CDESC_OFFSET);
+       data[39] = axienet_dma_in32(lp, XAXIDMA_RX_TDESC_OFFSET);
 }
 
 static void axienet_ethtools_get_ringparam(struct net_device *ndev,