[PATCH] sk98lin: ethtool register dump
Add support for dumping the registers in the deprecated
sk98lin driver. This is allows for easier comparison with
settings in new skge driver.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/sk98lin/skethtool.c b/drivers/net/sk98lin/skethtool.c
index e5cb5b5..3646069 100644
--- a/drivers/net/sk98lin/skethtool.c
+++ b/drivers/net/sk98lin/skethtool.c
@@ -581,6 +581,30 @@
return 0;
}
+static int getRegsLen(struct net_device *dev)
+{
+ return 0x4000;
+}
+
+/*
+ * Returns copy of whole control register region
+ * Note: skip RAM address register because accessing it will
+ * cause bus hangs!
+ */
+static void getRegs(struct net_device *dev, struct ethtool_regs *regs,
+ void *p)
+{
+ DEV_NET *pNet = netdev_priv(dev);
+ const void __iomem *io = pNet->pAC->IoBase;
+
+ regs->version = 1;
+ memset(p, 0, regs->len);
+ memcpy_fromio(p, io, B3_RAM_ADDR);
+
+ memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1,
+ regs->len - B3_RI_WTO_R1);
+}
+
const struct ethtool_ops SkGeEthtoolOps = {
.get_settings = getSettings,
.set_settings = setSettings,
@@ -599,4 +623,6 @@
.set_tx_csum = setTxCsum,
.get_rx_csum = getRxCsum,
.set_rx_csum = setRxCsum,
+ .get_regs = getRegs,
+ .get_regs_len = getRegsLen,
};