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smsc9420: add ethtool register dump support

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This patch adds support for SMSC's LAN9420 PCI ethernet controller
to ethtool's dump registers (-d) command.

This patch is for use with an accompanying ethtool patch, which decodes
the register dump.

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steve Glendinning 2008-12-15 00:59:47 -08:00 committed by David S. Miller
parent b1721d2bb9
commit a7276db6ad
1 changed files with 25 additions and 0 deletions
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25
drivers/net/smsc9420.c
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@ -293,6 +293,29 @@ static int smsc9420_ethtool_nway_reset(struct net_device *netdev)
return phy_start_aneg(pd->phy_dev);
}
static int smsc9420_ethtool_getregslen(struct net_device *dev)
{
/* all smsc9420 registers plus all phy registers */
return 0x100 + (32 * sizeof(u32));
}
static void
smsc9420_ethtool_getregs(struct net_device *dev, struct ethtool_regs *regs,
void *buf)
{
struct smsc9420_pdata *pd = netdev_priv(dev);
struct phy_device *phy_dev = pd->phy_dev;
unsigned int i, j = 0;
u32 *data = buf;
regs->version = smsc9420_reg_read(pd, ID_REV);
for (i = 0; i < 0x100; i += (sizeof(u32)))
data[j++] = smsc9420_reg_read(pd, i);
for (i = 0; i <= 31; i++)
data[j++] = smsc9420_mii_read(phy_dev->bus, phy_dev->addr, i);
}
static void smsc9420_eeprom_enable_access(struct smsc9420_pdata *pd)
{
unsigned int temp = smsc9420_reg_read(pd, GPIO_CFG);
@ -422,6 +445,8 @@ static const struct ethtool_ops smsc9420_ethtool_ops = {
.get_eeprom_len = smsc9420_ethtool_get_eeprom_len,
.get_eeprom = smsc9420_ethtool_get_eeprom,
.set_eeprom = smsc9420_ethtool_set_eeprom,
.get_regs_len = smsc9420_ethtool_getregslen,
.get_regs = smsc9420_ethtool_getregs,
};
/* Sets the device MAC address to dev_addr */