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// SPDX-License-Identifier: GPL-2.0
/* Marvell OcteonTx2 BPHY RFOE/CPRI Ethernet Driver
*
* Copyright (C) 2020 Marvell International Ltd.
*
* 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 <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/net_tstamp.h>
#include "otx2_cpri.h"
static const char ethtool_stat_strings[][ETH_GSTRING_LEN] = {
"rx_frames",
"rx_octets",
"rx_err",
"bad_crc",
"oversize",
"undersize",
"rx_fifo_overrun",
"rx_dropped",
"tx_frames",
"tx_octets",
"tx_dropped",
};
static void otx2_cpri_get_strings(struct net_device *netdev, u32 sset, u8 *data)
{
switch (sset) {
case ETH_SS_STATS:
memcpy(data, *ethtool_stat_strings,
sizeof(ethtool_stat_strings));
break;
}
}
static int otx2_cpri_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return ARRAY_SIZE(ethtool_stat_strings);
default:
return -EOPNOTSUPP;
}
}
static void otx2_cpri_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats,
u64 *data)
{
struct otx2_cpri_ndev_priv *priv = netdev_priv(netdev);
otx2_cpri_update_stats(priv);
spin_lock(&priv->stats.lock);
memcpy(data, &priv->stats,
ARRAY_SIZE(ethtool_stat_strings) * sizeof(u64));
spin_unlock(&priv->stats.lock);
}
static void otx2_cpri_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *p)
{
struct otx2_cpri_ndev_priv *priv = netdev_priv(netdev);
snprintf(p->driver, sizeof(p->driver), "otx2_cpri {cpri%d lmac%d}",
priv->cpri_num, priv->lmac_id);
strlcpy(p->bus_info, "platform", sizeof(p->bus_info));
}
static u32 otx2_cpri_get_msglevel(struct net_device *netdev)
{
struct otx2_cpri_ndev_priv *priv = netdev_priv(netdev);
return priv->msg_enable;
}
static void otx2_cpri_set_msglevel(struct net_device *netdev, u32 level)
{
struct otx2_cpri_ndev_priv *priv = netdev_priv(netdev);
priv->msg_enable = level;
}
static const struct ethtool_ops otx2_cpri_ethtool_ops = {
.get_drvinfo = otx2_cpri_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_strings = otx2_cpri_get_strings,
.get_sset_count = otx2_cpri_get_sset_count,
.get_ethtool_stats = otx2_cpri_get_ethtool_stats,
.get_msglevel = otx2_cpri_get_msglevel,
.set_msglevel = otx2_cpri_set_msglevel,
};
void otx2_cpri_set_ethtool_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &otx2_cpri_ethtool_ops;
}
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