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/*
* Atheros AR71xx built-in ethernet mac driver
*
* Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* Based on Atheros' AG7100 driver
*
* 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.
*/
#include "ag71xx.h"
static int ag71xx_ethtool_get_settings(struct net_device *dev,
struct ethtool_cmd *cmd)
{
struct ag71xx *ag = netdev_priv(dev);
struct phy_device *phydev = ag->phy_dev;
if (!phydev)
return -ENODEV;
return phy_ethtool_gset(phydev, cmd);
}
static int ag71xx_ethtool_set_settings(struct net_device *dev,
struct ethtool_cmd *cmd)
{
struct ag71xx *ag = netdev_priv(dev);
struct phy_device *phydev = ag->phy_dev;
if (!phydev)
return -ENODEV;
return phy_ethtool_sset(phydev, cmd);
}
static void ag71xx_ethtool_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct ag71xx *ag = netdev_priv(dev);
strcpy(info->driver, ag->pdev->dev.driver->name);
strcpy(info->version, AG71XX_DRV_VERSION);
strcpy(info->bus_info, dev_name(&ag->pdev->dev));
}
static u32 ag71xx_ethtool_get_msglevel(struct net_device *dev)
{
struct ag71xx *ag = netdev_priv(dev);
return ag->msg_enable;
}
static void ag71xx_ethtool_set_msglevel(struct net_device *dev, u32 msg_level)
{
struct ag71xx *ag = netdev_priv(dev);
ag->msg_enable = msg_level;
}
static void ag71xx_ethtool_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *er)
{
struct ag71xx *ag = netdev_priv(dev);
er->tx_max_pending = AG71XX_TX_RING_SIZE_MAX;
er->rx_max_pending = AG71XX_RX_RING_SIZE_MAX;
er->rx_mini_max_pending = 0;
er->rx_jumbo_max_pending = 0;
er->tx_pending = ag->tx_ring.size;
er->rx_pending = ag->rx_ring.size;
er->rx_mini_pending = 0;
er->rx_jumbo_pending = 0;
}
static int ag71xx_ethtool_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *er)
{
struct ag71xx *ag = netdev_priv(dev);
unsigned tx_size;
unsigned rx_size;
int err;
if (er->rx_mini_pending != 0||
er->rx_jumbo_pending != 0 ||
er->rx_pending == 0 ||
er->tx_pending == 0)
return -EINVAL;
tx_size = er->tx_pending < AG71XX_TX_RING_SIZE_MAX ?
er->tx_pending : AG71XX_TX_RING_SIZE_MAX;
rx_size = er->rx_pending < AG71XX_RX_RING_SIZE_MAX ?
er->rx_pending : AG71XX_RX_RING_SIZE_MAX;
if (netif_running(dev)) {
err = dev->netdev_ops->ndo_stop(dev);
if (err)
return err;
}
ag->tx_ring.size = tx_size;
ag->rx_ring.size = rx_size;
if (netif_running(dev))
err = dev->netdev_ops->ndo_open(dev);
return err;
}
struct ethtool_ops ag71xx_ethtool_ops = {
.set_settings = ag71xx_ethtool_set_settings,
.get_settings = ag71xx_ethtool_get_settings,
.get_drvinfo = ag71xx_ethtool_get_drvinfo,
.get_msglevel = ag71xx_ethtool_get_msglevel,
.set_msglevel = ag71xx_ethtool_set_msglevel,
.get_ringparam = ag71xx_ethtool_get_ringparam,
.set_ringparam = ag71xx_ethtool_set_ringparam,
.get_link = ethtool_op_get_link,
};
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