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/*
* Applied Micro X-Gene SoC Ethernet v2 Driver
*
* Copyright (c) 2017, Applied Micro Circuits Corporation
* Author(s): Iyappan Subramanian <isubramanian@apm.com>
* Keyur Chudgar <kchudgar@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 "main.h"
#define XGE_STAT(m) { #m, offsetof(struct xge_pdata, stats.m) }
#define XGE_EXTD_STAT(m, n) \
{ \
#m, \
n, \
0 \
}
static const struct xge_gstrings_stats gstrings_stats[] = {
XGE_STAT(rx_packets),
XGE_STAT(tx_packets),
XGE_STAT(rx_bytes),
XGE_STAT(tx_bytes),
XGE_STAT(rx_errors)
};
static struct xge_gstrings_extd_stats gstrings_extd_stats[] = {
XGE_EXTD_STAT(tx_rx_64b_frame_cntr, TR64),
XGE_EXTD_STAT(tx_rx_127b_frame_cntr, TR127),
XGE_EXTD_STAT(tx_rx_255b_frame_cntr, TR255),
XGE_EXTD_STAT(tx_rx_511b_frame_cntr, TR511),
XGE_EXTD_STAT(tx_rx_1023b_frame_cntr, TR1K),
XGE_EXTD_STAT(tx_rx_1518b_frame_cntr, TRMAX),
XGE_EXTD_STAT(tx_rx_1522b_frame_cntr, TRMGV),
XGE_EXTD_STAT(rx_fcs_error_cntr, RFCS),
XGE_EXTD_STAT(rx_multicast_pkt_cntr, RMCA),
XGE_EXTD_STAT(rx_broadcast_pkt_cntr, RBCA),
XGE_EXTD_STAT(rx_ctrl_frame_pkt_cntr, RXCF),
XGE_EXTD_STAT(rx_pause_frame_pkt_cntr, RXPF),
XGE_EXTD_STAT(rx_unk_opcode_cntr, RXUO),
XGE_EXTD_STAT(rx_align_err_cntr, RALN),
XGE_EXTD_STAT(rx_frame_len_err_cntr, RFLR),
XGE_EXTD_STAT(rx_code_err_cntr, RCDE),
XGE_EXTD_STAT(rx_carrier_sense_err_cntr, RCSE),
XGE_EXTD_STAT(rx_undersize_pkt_cntr, RUND),
XGE_EXTD_STAT(rx_oversize_pkt_cntr, ROVR),
XGE_EXTD_STAT(rx_fragments_cntr, RFRG),
XGE_EXTD_STAT(rx_jabber_cntr, RJBR),
XGE_EXTD_STAT(rx_dropped_pkt_cntr, RDRP),
XGE_EXTD_STAT(tx_multicast_pkt_cntr, TMCA),
XGE_EXTD_STAT(tx_broadcast_pkt_cntr, TBCA),
XGE_EXTD_STAT(tx_pause_ctrl_frame_cntr, TXPF),
XGE_EXTD_STAT(tx_defer_pkt_cntr, TDFR),
XGE_EXTD_STAT(tx_excv_defer_pkt_cntr, TEDF),
XGE_EXTD_STAT(tx_single_col_pkt_cntr, TSCL),
XGE_EXTD_STAT(tx_multi_col_pkt_cntr, TMCL),
XGE_EXTD_STAT(tx_late_col_pkt_cntr, TLCL),
XGE_EXTD_STAT(tx_excv_col_pkt_cntr, TXCL),
XGE_EXTD_STAT(tx_total_col_cntr, TNCL),
XGE_EXTD_STAT(tx_pause_frames_hnrd_cntr, TPFH),
XGE_EXTD_STAT(tx_drop_frame_cntr, TDRP),
XGE_EXTD_STAT(tx_jabber_frame_cntr, TJBR),
XGE_EXTD_STAT(tx_fcs_error_cntr, TFCS),
XGE_EXTD_STAT(tx_ctrl_frame_cntr, TXCF),
XGE_EXTD_STAT(tx_oversize_frame_cntr, TOVR),
XGE_EXTD_STAT(tx_undersize_frame_cntr, TUND),
XGE_EXTD_STAT(tx_fragments_cntr, TFRG)
};
#define XGE_STATS_LEN ARRAY_SIZE(gstrings_stats)
#define XGE_EXTD_STATS_LEN ARRAY_SIZE(gstrings_extd_stats)
static void xge_mac_get_extd_stats(struct xge_pdata *pdata)
{
u32 data;
int i;
for (i = 0; i < XGE_EXTD_STATS_LEN; i++) {
data = xge_rd_csr(pdata, gstrings_extd_stats[i].addr);
gstrings_extd_stats[i].value += data;
}
}
static void xge_get_drvinfo(struct net_device *ndev,
struct ethtool_drvinfo *info)
{
struct xge_pdata *pdata = netdev_priv(ndev);
struct platform_device *pdev = pdata->pdev;
strcpy(info->driver, "xgene-enet-v2");
strcpy(info->version, XGENE_ENET_V2_VERSION);
snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "N/A");
sprintf(info->bus_info, "%s", pdev->name);
}
static void xge_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
{
u8 *p = data;
int i;
if (stringset != ETH_SS_STATS)
return;
for (i = 0; i < XGE_STATS_LEN; i++) {
memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < XGE_EXTD_STATS_LEN; i++) {
memcpy(p, gstrings_extd_stats[i].name, ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
}
static int xge_get_sset_count(struct net_device *ndev, int sset)
{
if (sset != ETH_SS_STATS)
return -EINVAL;
return XGE_STATS_LEN + XGE_EXTD_STATS_LEN;
}
static void xge_get_ethtool_stats(struct net_device *ndev,
struct ethtool_stats *dummy,
u64 *data)
{
void *pdata = netdev_priv(ndev);
int i;
for (i = 0; i < XGE_STATS_LEN; i++)
*data++ = *(u64 *)(pdata + gstrings_stats[i].offset);
xge_mac_get_extd_stats(pdata);
for (i = 0; i < XGE_EXTD_STATS_LEN; i++)
*data++ = gstrings_extd_stats[i].value;
}
static int xge_get_link_ksettings(struct net_device *ndev,
struct ethtool_link_ksettings *cmd)
{
struct phy_device *phydev = ndev->phydev;
if (!phydev)
return -ENODEV;
phy_ethtool_ksettings_get(phydev, cmd);
return 0;
}
static int xge_set_link_ksettings(struct net_device *ndev,
const struct ethtool_link_ksettings *cmd)
{
struct phy_device *phydev = ndev->phydev;
if (!phydev)
return -ENODEV;
return phy_ethtool_ksettings_set(phydev, cmd);
}
static const struct ethtool_ops xge_ethtool_ops = {
.get_drvinfo = xge_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_strings = xge_get_strings,
.get_sset_count = xge_get_sset_count,
.get_ethtool_stats = xge_get_ethtool_stats,
.get_link_ksettings = xge_get_link_ksettings,
.set_link_ksettings = xge_set_link_ksettings,
};
void xge_set_ethtool_ops(struct net_device *ndev)
{
ndev->ethtool_ops = &xge_ethtool_ops;
}
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