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/* Copyright (c) 2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*/
#include <linux/ethtool.h>
#include <linux/phy.h>
#include "emac.h"
static const char * const emac_ethtool_stat_strings[] = {
"rx_ok",
"rx_bcast",
"rx_mcast",
"rx_pause",
"rx_ctrl",
"rx_fcs_err",
"rx_len_err",
"rx_byte_cnt",
"rx_runt",
"rx_frag",
"rx_sz_64",
"rx_sz_65_127",
"rx_sz_128_255",
"rx_sz_256_511",
"rx_sz_512_1023",
"rx_sz_1024_1518",
"rx_sz_1519_max",
"rx_sz_ov",
"rx_rxf_ov",
"rx_align_err",
"rx_bcast_byte_cnt",
"rx_mcast_byte_cnt",
"rx_err_addr",
"rx_crc_align",
"rx_jabbers",
"tx_ok",
"tx_bcast",
"tx_mcast",
"tx_pause",
"tx_exc_defer",
"tx_ctrl",
"tx_defer",
"tx_byte_cnt",
"tx_sz_64",
"tx_sz_65_127",
"tx_sz_128_255",
"tx_sz_256_511",
"tx_sz_512_1023",
"tx_sz_1024_1518",
"tx_sz_1519_max",
"tx_1_col",
"tx_2_col",
"tx_late_col",
"tx_abort_col",
"tx_underrun",
"tx_rd_eop",
"tx_len_err",
"tx_trunc",
"tx_bcast_byte",
"tx_mcast_byte",
"tx_col",
};
#define EMAC_STATS_LEN ARRAY_SIZE(emac_ethtool_stat_strings)
static u32 emac_get_msglevel(struct net_device *netdev)
{
struct emac_adapter *adpt = netdev_priv(netdev);
return adpt->msg_enable;
}
static void emac_set_msglevel(struct net_device *netdev, u32 data)
{
struct emac_adapter *adpt = netdev_priv(netdev);
adpt->msg_enable = data;
}
static int emac_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return EMAC_STATS_LEN;
default:
return -EOPNOTSUPP;
}
}
static void emac_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
unsigned int i;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < EMAC_STATS_LEN; i++) {
strlcpy(data, emac_ethtool_stat_strings[i],
ETH_GSTRING_LEN);
data += ETH_GSTRING_LEN;
}
break;
}
}
static void emac_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats,
u64 *data)
{
struct emac_adapter *adpt = netdev_priv(netdev);
spin_lock(&adpt->stats.lock);
emac_update_hw_stats(adpt);
memcpy(data, &adpt->stats, EMAC_STATS_LEN * sizeof(u64));
spin_unlock(&adpt->stats.lock);
}
static int emac_nway_reset(struct net_device *netdev)
{
struct phy_device *phydev = netdev->phydev;
if (!phydev)
return -ENODEV;
return genphy_restart_aneg(phydev);
}
static void emac_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct emac_adapter *adpt = netdev_priv(netdev);
ring->rx_max_pending = EMAC_MAX_RX_DESCS;
ring->tx_max_pending = EMAC_MAX_TX_DESCS;
ring->rx_pending = adpt->rx_desc_cnt;
ring->tx_pending = adpt->tx_desc_cnt;
}
static void emac_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct phy_device *phydev = netdev->phydev;
if (phydev) {
if (phydev->autoneg)
pause->autoneg = 1;
if (phydev->pause)
pause->rx_pause = 1;
if (phydev->pause != phydev->asym_pause)
pause->tx_pause = 1;
}
}
static const struct ethtool_ops emac_ethtool_ops = {
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,
.get_msglevel = emac_get_msglevel,
.set_msglevel = emac_set_msglevel,
.get_sset_count = emac_get_sset_count,
.get_strings = emac_get_strings,
.get_ethtool_stats = emac_get_ethtool_stats,
.get_ringparam = emac_get_ringparam,
.get_pauseparam = emac_get_pauseparam,
.nway_reset = emac_nway_reset,
.get_link = ethtool_op_get_link,
};
void emac_set_ethtool_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &emac_ethtool_ops;
}
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