diff options
| author | Steve Glendinning <steve.glendinning@smsc.com> | 2008-12-15 00:59:47 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-15 00:59:47 -0800 |
| commit | a7276db6adfded660eec1e1629710b8b82d83455 (patch) | |
| tree | 4d35c330d24e1f3324bd01c1b726bb8d85d219a0 /drivers/net/smsc9420.c | |
| parent | b1721d2bb9d015d7e49079414671569a2fc0ac9b (diff) | |
smsc9420: add ethtool register dump support
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>
Diffstat (limited to 'drivers/net/smsc9420.c')
| -rw-r--r-- | drivers/net/smsc9420.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c index 2a8e9b71de92..bc9879d5f281 100644 --- a/drivers/net/smsc9420.c +++ b/drivers/net/smsc9420.c @@ -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 */ |