static int pch_gbe_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct pch_gbe_adapter *adapter = netdev_priv(netdev);
struct pch_gbe_hw *hw = &adapter->hw;
int ret = 0;
hw->mac.fc_autoneg = pause->autoneg;
if ((pause->rx_pause) && (pause->tx_pause))
hw->mac.fc = PCH_GBE_FC_FULL;
else if ((pause->rx_pause) && (!pause->tx_pause))
hw->mac.fc = PCH_GBE_FC_RX_PAUSE;
else if ((!pause->rx_pause) && (pause->tx_pause))
hw->mac.fc = PCH_GBE_FC_TX_PAUSE;
else if ((!pause->rx_pause) && (!pause->tx_pause))
hw->mac.fc = PCH_GBE_FC_NONE;
if (hw->mac.fc_autoneg == AUTONEG_ENABLE) {
if ((netif_running(adapter->netdev))) {
pch_gbe_down(adapter);
ret = pch_gbe_up(adapter);
} else {
pch_gbe_reset(adapter);
}
} else {
ret = pch_gbe_mac_force_mac_fc(hw);
}
return ret;
}
/**
* pch_gbe_set_settings - Set device-specific settings
* @netdev: Network interface device structure
* @ecmd: Ethtool command
* Returns
* 0: Successful.
* Negative value: Failed.
*/
static int pch_gbe_set_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd)
{
struct pch_gbe_adapter *adapter = netdev_priv(netdev);
struct pch_gbe_hw *hw = &adapter->hw;
int ret;
pch_gbe_hal_write_phy_reg(hw, MII_BMCR, BMCR_RESET);
if (ecmd->speed == USHRT_MAX) {
ecmd->speed = SPEED_1000;
ecmd->duplex = DUPLEX_FULL;
}
ret = mii_ethtool_sset(&adapter->mii, ecmd);
if (ret) {
pr_err("Error: mii_ethtool_sset\n");
return ret;
}
hw->mac.link_speed = ecmd->speed;
hw->mac.link_duplex = ecmd->duplex;
hw->phy.autoneg_advertised = ecmd->advertising;
hw->mac.autoneg = ecmd->autoneg;
pch_gbe_hal_phy_sw_reset(hw);
/* reset the link */
if (netif_running(adapter->netdev)) {
pch_gbe_down(adapter);
ret = pch_gbe_up(adapter);
} else {
pch_gbe_reset(adapter);
}
return ret;
}
static void pch_gbe_stop(struct udevice *dev)
{
struct pch_gbe_priv *priv = dev_get_priv(dev);
pch_gbe_reset(dev);
phy_shutdown(priv->phydev);
}
static void pch_gbe_halt(struct eth_device *dev)
{
struct pch_gbe_priv *priv = dev->priv;
pch_gbe_reset(dev);
phy_shutdown(priv->phydev);
}
/**
* pch_gbe_set_rx_csum - Turn receive checksum on or off
* @netdev: Network interface device structure
* @data: Checksum On[true] or Off[false]
* Returns
* 0: Successful.
* Negative value: Failed.
*/
static int pch_gbe_set_rx_csum(struct net_device *netdev, u32 data)
{
struct pch_gbe_adapter *adapter = netdev_priv(netdev);
adapter->rx_csum = data;
if ((netif_running(netdev)))
pch_gbe_reinit_locked(adapter);
else
pch_gbe_reset(adapter);
return 0;
}
static int pch_gbe_start(struct udevice *dev)
{
struct pch_gbe_priv *priv = dev_get_priv(dev);
struct pch_gbe_regs *mac_regs = priv->mac_regs;
if (pch_gbe_reset(dev))
return -1;
pch_gbe_rx_descs_init(dev);
pch_gbe_tx_descs_init(dev);
/* Enable frame bursting */
writel(PCH_GBE_MODE_FR_BST, &mac_regs->mode);
/* Disable TCP/IP accelerator */
writel(PCH_GBE_RX_TCPIPACC_OFF, &mac_regs->tcpip_acc);
/* Disable RX flow control */
writel(0, &mac_regs->rx_fctrl);
/* Configure RX/TX mode */
writel(PCH_GBE_RH_ALM_EMP_16 | PCH_GBE_RH_ALM_FULL_16 |
PCH_GBE_RH_RD_TRG_32, &mac_regs->rx_mode);
writel(PCH_GBE_TM_TH_TX_STRT_32 | PCH_GBE_TM_TH_ALM_EMP_16 |
PCH_GBE_TM_TH_ALM_FULL_32 | PCH_GBE_TM_ST_AND_FD |
PCH_GBE_TM_SHORT_PKT, &mac_regs->tx_mode);
/* Start up the PHY */
if (phy_startup(priv->phydev)) {
printf("Could not initialize PHY %s\n",
priv->phydev->dev->name);
return -1;
}
pch_gbe_adjust_link(mac_regs, priv->phydev);
if (!priv->phydev->link)
return -1;
/* Enable TX & RX */
writel(PCH_GBE_RX_DMA_EN | PCH_GBE_TX_DMA_EN, &mac_regs->dma_ctrl);
writel(PCH_GBE_MRE_MAC_RX_EN, &mac_regs->mac_rx_en);
return 0;
}
