Commit a7276db6 authored by Steve Glendinning's avatar Steve Glendinning Committed by David S. Miller
Browse files

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: default avatarSteve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b1721d2b

drivers/net/smsc9420.c

+25 −0
Original line number Diff line number Diff line
@@ -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 */

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