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/*
* FUJITSU Extended Socket Network Device driver
* Copyright (c) 2015 FUJITSU LIMITED
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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/>.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
*/
/* ethtool support for fjes */
#include <linux/vmalloc.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/platform_device.h>
#include "fjes.h"
struct fjes_stats {
char stat_string[ETH_GSTRING_LEN];
int sizeof_stat;
int stat_offset;
};
#define FJES_STAT(name, stat) { \
.stat_string = name, \
.sizeof_stat = FIELD_SIZEOF(struct fjes_adapter, stat), \
.stat_offset = offsetof(struct fjes_adapter, stat) \
}
static const struct fjes_stats fjes_gstrings_stats[] = {
FJES_STAT("rx_packets", stats64.rx_packets),
FJES_STAT("tx_packets", stats64.tx_packets),
FJES_STAT("rx_bytes", stats64.rx_bytes),
FJES_STAT("tx_bytes", stats64.rx_bytes),
FJES_STAT("rx_dropped", stats64.rx_dropped),
FJES_STAT("tx_dropped", stats64.tx_dropped),
};
static void fjes_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct fjes_adapter *adapter = netdev_priv(netdev);
char *p;
int i;
for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
p = (char *)adapter + fjes_gstrings_stats[i].stat_offset;
data[i] = (fjes_gstrings_stats[i].sizeof_stat == sizeof(u64))
? *(u64 *)p : *(u32 *)p;
}
}
static void fjes_get_strings(struct net_device *netdev,
u32 stringset, u8 *data)
{
u8 *p = data;
int i;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
memcpy(p, fjes_gstrings_stats[i].stat_string,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
break;
}
}
static int fjes_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return ARRAY_SIZE(fjes_gstrings_stats);
default:
return -EOPNOTSUPP;
}
}
static void fjes_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct fjes_adapter *adapter = netdev_priv(netdev);
struct platform_device *plat_dev;
plat_dev = adapter->plat_dev;
strlcpy(drvinfo->driver, fjes_driver_name, sizeof(drvinfo->driver));
strlcpy(drvinfo->version, fjes_driver_version,
sizeof(drvinfo->version));
strlcpy(drvinfo->fw_version, "none", sizeof(drvinfo->fw_version));
snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info),
"platform:%s", plat_dev->name);
}
static int fjes_get_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd)
{
ecmd->supported = 0;
ecmd->advertising = 0;
ecmd->duplex = DUPLEX_FULL;
ecmd->autoneg = AUTONEG_DISABLE;
ecmd->transceiver = XCVR_DUMMY1;
ecmd->port = PORT_NONE;
ethtool_cmd_speed_set(ecmd, 20000); /* 20Gb/s */
return 0;
}
static const struct ethtool_ops fjes_ethtool_ops = {
.get_settings = fjes_get_settings,
.get_drvinfo = fjes_get_drvinfo,
.get_ethtool_stats = fjes_get_ethtool_stats,
.get_strings = fjes_get_strings,
.get_sset_count = fjes_get_sset_count,
};
void fjes_set_ethtool_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &fjes_ethtool_ops;
}
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