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/* Applied Micro X-Gene SoC Ethernet Driver
*
* Copyright (c) 2014, Applied Micro Circuits Corporation
* Authors: Iyappan Subramanian <isubramanian@apm.com>
*
* 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; either version 2 of the License, or (at your
* option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <linux/ethtool.h>
#include "xgene_enet_main.h"
struct xgene_gstrings_stats {
char name[ETH_GSTRING_LEN];
int offset;
};
#define XGENE_STAT(m) { #m, offsetof(struct xgene_enet_pdata, stats.m) }
static const struct xgene_gstrings_stats gstrings_stats[] = {
XGENE_STAT(rx_packets),
XGENE_STAT(tx_packets),
XGENE_STAT(rx_bytes),
XGENE_STAT(tx_bytes),
XGENE_STAT(rx_errors),
XGENE_STAT(tx_errors),
XGENE_STAT(rx_length_errors),
XGENE_STAT(rx_crc_errors),
XGENE_STAT(rx_frame_errors),
XGENE_STAT(rx_fifo_errors)
};
#define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats)
static void xgene_get_drvinfo(struct net_device *ndev,
struct ethtool_drvinfo *info)
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct platform_device *pdev = pdata->pdev;
strcpy(info->driver, "xgene_enet");
strcpy(info->version, XGENE_DRV_VERSION);
snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "N/A");
sprintf(info->bus_info, "%s", pdev->name);
}
static int xgene_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct phy_device *phydev = pdata->phy_dev;
if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
if (phydev == NULL)
return -ENODEV;
return phy_ethtool_gset(phydev, cmd);
} else if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
cmd->supported = SUPPORTED_1000baseT_Full |
SUPPORTED_Autoneg | SUPPORTED_MII;
cmd->advertising = cmd->supported;
ethtool_cmd_speed_set(cmd, SPEED_1000);
cmd->duplex = DUPLEX_FULL;
cmd->port = PORT_MII;
cmd->transceiver = XCVR_INTERNAL;
cmd->autoneg = AUTONEG_ENABLE;
} else {
cmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE;
cmd->advertising = cmd->supported;
ethtool_cmd_speed_set(cmd, SPEED_10000);
cmd->duplex = DUPLEX_FULL;
cmd->port = PORT_FIBRE;
cmd->transceiver = XCVR_INTERNAL;
cmd->autoneg = AUTONEG_DISABLE;
}
return 0;
}
static int xgene_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct phy_device *phydev = pdata->phy_dev;
if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
if (phydev == NULL)
return -ENODEV;
return phy_ethtool_sset(phydev, cmd);
}
return -EINVAL;
}
static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
{
int i;
u8 *p = data;
if (stringset != ETH_SS_STATS)
return;
for (i = 0; i < XGENE_STATS_LEN; i++) {
memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
}
static int xgene_get_sset_count(struct net_device *ndev, int sset)
{
if (sset != ETH_SS_STATS)
return -EINVAL;
return XGENE_STATS_LEN;
}
static void xgene_get_ethtool_stats(struct net_device *ndev,
struct ethtool_stats *dummy,
u64 *data)
{
void *pdata = netdev_priv(ndev);
int i;
for (i = 0; i < XGENE_STATS_LEN; i++)
*data++ = *(u64 *)(pdata + gstrings_stats[i].offset);
}
static const struct ethtool_ops xgene_ethtool_ops = {
.get_drvinfo = xgene_get_drvinfo,
.get_settings = xgene_get_settings,
.set_settings = xgene_set_settings,
.get_link = ethtool_op_get_link,
.get_strings = xgene_get_strings,
.get_sset_count = xgene_get_sset_count,
.get_ethtool_stats = xgene_get_ethtool_stats
};
void xgene_enet_set_ethtool_ops(struct net_device *ndev)
{
ndev->ethtool_ops = &xgene_ethtool_ops;
}
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