263 lines
6.6 KiB
C
263 lines
6.6 KiB
C
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
* Copyright (C) 2009-2013 Michael Lee <igvtee@gmail.com>
|
|
*/
|
|
|
|
#include "ralink_soc_eth.h"
|
|
|
|
static const char fe_gdma_str[][ETH_GSTRING_LEN] = {
|
|
#define _FE(x...) # x,
|
|
FE_STAT_REG_DECLARE
|
|
#undef _FE
|
|
};
|
|
|
|
static int fe_get_settings(struct net_device *dev,
|
|
struct ethtool_cmd *cmd)
|
|
{
|
|
struct fe_priv *priv = netdev_priv(dev);
|
|
int err;
|
|
|
|
if (!priv->phy_dev)
|
|
goto out_gset;
|
|
|
|
if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
|
|
err = phy_read_status(priv->phy_dev);
|
|
if (err)
|
|
goto out_gset;
|
|
}
|
|
|
|
return phy_ethtool_gset(priv->phy_dev, cmd);
|
|
|
|
out_gset:
|
|
return -ENODEV;
|
|
}
|
|
|
|
static int fe_set_settings(struct net_device *dev,
|
|
struct ethtool_cmd *cmd)
|
|
{
|
|
struct fe_priv *priv = netdev_priv(dev);
|
|
|
|
if (!priv->phy_dev)
|
|
goto out_sset;
|
|
|
|
if (cmd->phy_address != priv->phy_dev->addr) {
|
|
if (priv->phy->phy_node[cmd->phy_address]) {
|
|
priv->phy_dev = priv->phy->phy[cmd->phy_address];
|
|
priv->phy_flags = FE_PHY_FLAG_PORT;
|
|
} else if (priv->mii_bus &&
|
|
priv->mii_bus->phy_map[cmd->phy_address]) {
|
|
priv->phy_dev = priv->mii_bus->phy_map[cmd->phy_address];
|
|
priv->phy_flags = FE_PHY_FLAG_ATTACH;
|
|
} else
|
|
goto out_sset;
|
|
}
|
|
|
|
return phy_ethtool_sset(priv->phy_dev, cmd);
|
|
|
|
out_sset:
|
|
return -ENODEV;
|
|
}
|
|
|
|
static void fe_get_drvinfo (struct net_device *dev,
|
|
struct ethtool_drvinfo *info)
|
|
{
|
|
struct fe_priv *priv = netdev_priv(dev);
|
|
struct fe_soc_data *soc = priv->soc;
|
|
|
|
strlcpy(info->driver, priv->device->driver->name, sizeof(info->driver));
|
|
strlcpy(info->version, FE_DRV_VERSION, sizeof(info->version));
|
|
strlcpy(info->bus_info, dev_name(priv->device), sizeof(info->bus_info));
|
|
|
|
if (soc->reg_table[FE_REG_FE_COUNTER_BASE])
|
|
info->n_stats = ARRAY_SIZE(fe_gdma_str);
|
|
}
|
|
|
|
static u32 fe_get_msglevel(struct net_device *dev)
|
|
{
|
|
struct fe_priv *priv = netdev_priv(dev);
|
|
|
|
return priv->msg_enable;
|
|
}
|
|
|
|
static void fe_set_msglevel(struct net_device *dev, u32 value)
|
|
{
|
|
struct fe_priv *priv = netdev_priv(dev);
|
|
|
|
priv->msg_enable = value;
|
|
}
|
|
|
|
static int fe_nway_reset(struct net_device *dev)
|
|
{
|
|
struct fe_priv *priv = netdev_priv(dev);
|
|
|
|
if (!priv->phy_dev)
|
|
goto out_nway_reset;
|
|
|
|
return genphy_restart_aneg(priv->phy_dev);
|
|
|
|
out_nway_reset:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static u32 fe_get_link(struct net_device *dev)
|
|
{
|
|
struct fe_priv *priv = netdev_priv(dev);
|
|
int err;
|
|
|
|
if (!priv->phy_dev)
|
|
goto out_get_link;
|
|
|
|
if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
|
|
err = genphy_update_link(priv->phy_dev);
|
|
if (err)
|
|
goto out_get_link;
|
|
}
|
|
|
|
return priv->phy_dev->link;
|
|
|
|
out_get_link:
|
|
return ethtool_op_get_link(dev);
|
|
}
|
|
|
|
static void fe_get_ringparam(struct net_device *dev,
|
|
struct ethtool_ringparam *ring)
|
|
{
|
|
ring->rx_max_pending = MAX_DMA_DESC;
|
|
ring->tx_max_pending = MAX_DMA_DESC;
|
|
ring->rx_pending = NUM_DMA_DESC;
|
|
ring->tx_pending = NUM_DMA_DESC;
|
|
}
|
|
|
|
static int fe_get_coalesce(struct net_device *dev,
|
|
struct ethtool_coalesce *coal)
|
|
{
|
|
u32 delay_cfg = fe_reg_r32(FE_REG_DLY_INT_CFG);
|
|
|
|
coal->rx_coalesce_usecs = (delay_cfg & 0xff) * FE_DELAY_TIME;
|
|
coal->rx_max_coalesced_frames = ((delay_cfg >> 8) & 0x7f);
|
|
coal->use_adaptive_rx_coalesce = (delay_cfg >> 15) & 0x1;
|
|
|
|
coal->tx_coalesce_usecs = ((delay_cfg >> 16 )& 0xff) * FE_DELAY_TIME;
|
|
coal->tx_max_coalesced_frames = ((delay_cfg >> 24) & 0x7f);
|
|
coal->use_adaptive_tx_coalesce = (delay_cfg >> 31) & 0x1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fe_set_coalesce(struct net_device *dev,
|
|
struct ethtool_coalesce *coal)
|
|
{
|
|
u32 delay_cfg;
|
|
u32 rx_usecs, tx_usecs;
|
|
u32 rx_frames, tx_frames;
|
|
|
|
if (!coal->use_adaptive_rx_coalesce || !coal->use_adaptive_tx_coalesce)
|
|
return -EINVAL;
|
|
|
|
rx_usecs = DIV_ROUND_UP(coal->rx_coalesce_usecs, FE_DELAY_TIME);
|
|
rx_frames = coal->rx_max_coalesced_frames;
|
|
tx_usecs = DIV_ROUND_UP(coal->tx_coalesce_usecs, FE_DELAY_TIME);
|
|
tx_frames = coal->tx_max_coalesced_frames;
|
|
|
|
if (((tx_usecs == 0) && (tx_frames ==0)) ||
|
|
((rx_usecs == 0) && (rx_frames ==0)))
|
|
return -EINVAL;
|
|
|
|
if (rx_usecs > 0xff) rx_usecs = 0xff;
|
|
if (rx_frames > 0x7f) rx_frames = 0x7f;
|
|
if (tx_usecs > 0xff) tx_usecs = 0xff;
|
|
if (tx_frames > 0x7f) tx_frames = 0x7f;
|
|
|
|
delay_cfg = ((((FE_DELAY_EN_INT | tx_frames) << 8) | tx_usecs) << 16) |
|
|
(((FE_DELAY_EN_INT | rx_frames) << 8) | rx_usecs);
|
|
|
|
fe_reg_w32(delay_cfg, FE_REG_DLY_INT_CFG);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void fe_get_strings(struct net_device *dev, u32 stringset, u8 *data)
|
|
{
|
|
switch (stringset) {
|
|
case ETH_SS_STATS:
|
|
memcpy(data, *fe_gdma_str, sizeof(fe_gdma_str));
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int fe_get_sset_count(struct net_device *dev, int sset)
|
|
{
|
|
switch (sset) {
|
|
case ETH_SS_STATS:
|
|
return ARRAY_SIZE(fe_gdma_str);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static void fe_get_ethtool_stats(struct net_device *dev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
struct fe_priv *priv = netdev_priv(dev);
|
|
struct fe_hw_stats *hwstats = priv->hw_stats;
|
|
u64 *data_src, *data_dst;
|
|
unsigned int start;
|
|
int i;
|
|
|
|
if (netif_running(dev) && netif_device_present(dev)) {
|
|
if (spin_trylock(&hwstats->stats_lock)) {
|
|
fe_stats_update(priv);
|
|
spin_unlock(&hwstats->stats_lock);
|
|
}
|
|
}
|
|
|
|
do {
|
|
data_src = &hwstats->tx_bytes;
|
|
data_dst = data;
|
|
start = u64_stats_fetch_begin_bh(&hwstats->syncp);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fe_gdma_str); i++)
|
|
*data_dst++ = *data_src++;
|
|
|
|
} while (u64_stats_fetch_retry_bh(&hwstats->syncp, start));
|
|
}
|
|
|
|
static struct ethtool_ops fe_ethtool_ops = {
|
|
.get_settings = fe_get_settings,
|
|
.set_settings = fe_set_settings,
|
|
.get_drvinfo = fe_get_drvinfo,
|
|
.get_msglevel = fe_get_msglevel,
|
|
.set_msglevel = fe_set_msglevel,
|
|
.nway_reset = fe_nway_reset,
|
|
.get_link = fe_get_link,
|
|
.get_ringparam = fe_get_ringparam,
|
|
.get_coalesce = fe_get_coalesce,
|
|
.set_coalesce = fe_set_coalesce,
|
|
};
|
|
|
|
void fe_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
struct fe_priv *priv = netdev_priv(netdev);
|
|
struct fe_soc_data *soc = priv->soc;
|
|
|
|
if (soc->reg_table[FE_REG_FE_COUNTER_BASE]) {
|
|
fe_ethtool_ops.get_strings = fe_get_strings;
|
|
fe_ethtool_ops.get_sset_count = fe_get_sset_count;
|
|
fe_ethtool_ops.get_ethtool_stats = fe_get_ethtool_stats;
|
|
}
|
|
|
|
SET_ETHTOOL_OPS(netdev, &fe_ethtool_ops);
|
|
}
|