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/* 10G controller driver for Samsung SoCs
*
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Author: Siva Reddy Kallam <siva.kallam@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/phy.h>
#include "sxgbe_common.h"
struct sxgbe_stats {
char stat_string[ETH_GSTRING_LEN];
int sizeof_stat;
int stat_offset;
};
#define SXGBE_STAT(m) \
{ \
#m, \
FIELD_SIZEOF(struct sxgbe_extra_stats, m), \
offsetof(struct sxgbe_priv_data, xstats.m) \
}
static const struct sxgbe_stats sxgbe_gstrings_stats[] = {
SXGBE_STAT(tx_lpi_entry_n),
SXGBE_STAT(tx_lpi_exit_n),
SXGBE_STAT(rx_lpi_entry_n),
SXGBE_STAT(rx_lpi_exit_n),
SXGBE_STAT(eee_wakeup_error_n),
};
#define SXGBE_STATS_LEN ARRAY_SIZE(sxgbe_gstrings_stats)
static int sxgbe_get_eee(struct net_device *dev,
struct ethtool_eee *edata)
{
struct sxgbe_priv_data *priv = netdev_priv(dev);
if (!priv->hw_cap.eee)
return -EOPNOTSUPP;
edata->eee_enabled = priv->eee_enabled;
edata->eee_active = priv->eee_active;
edata->tx_lpi_timer = priv->tx_lpi_timer;
return phy_ethtool_get_eee(priv->phydev, edata);
}
static int sxgbe_set_eee(struct net_device *dev,
struct ethtool_eee *edata)
{
struct sxgbe_priv_data *priv = netdev_priv(dev);
priv->eee_enabled = edata->eee_enabled;
if (!priv->eee_enabled) {
sxgbe_disable_eee_mode(priv);
} else {
/* We are asking for enabling the EEE but it is safe
* to verify all by invoking the eee_init function.
* In case of failure it will return an error.
*/
priv->eee_enabled = sxgbe_eee_init(priv);
if (!priv->eee_enabled)
return -EOPNOTSUPP;
/* Do not change tx_lpi_timer in case of failure */
priv->tx_lpi_timer = edata->tx_lpi_timer;
}
return phy_ethtool_set_eee(priv->phydev, edata);
}
static const struct ethtool_ops sxgbe_ethtool_ops = {
.get_eee = sxgbe_get_eee,
.set_eee = sxgbe_set_eee,
};
void sxgbe_set_ethtool_ops(struct net_device *netdev)
{
SET_ETHTOOL_OPS(netdev, &sxgbe_ethtool_ops);
}
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