[PATCH net-next 05/13] net: axienet: Add DMA registers to ethtool register dump

[Robert Hancock]

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

Signed-off-by: Robert Hancock <hanc...@sedsystems.ca>
---
 drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c 
b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index decd16e..fad5750 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -49,7 +49,7 @@
 #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,
-- 
1.8.3.1