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linux-next/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
Thomas Gleixner 1ccea77e2a treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 
Based on 2 normalized pattern(s):

  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

  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 [based]
  [from] [clk] [highbank] [c] you should have received a copy of the
  gnu general public license along with this program if not see http
  www gnu org licenses

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 355 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154041.837383322@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 11:28:45 +02:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/* Applied Micro X-Gene SoC Ethernet Driver
*
* Copyright (c) 2014, Applied Micro Circuits Corporation
* Authors: Iyappan Subramanian <isubramanian@apm.com>
*/
#include <linux/ethtool.h>
#include "xgene_enet_main.h"
struct xgene_gstrings_stats {
char name[ETH_GSTRING_LEN];
int offset;
u32 addr;
u32 mask;
};
#define XGENE_STAT(m) { #m, offsetof(struct rtnl_link_stats64, m) }
#define XGENE_EXTD_STAT(s, a, m) \
{ \
.name = #s, \
.addr = a ## _ADDR, \
.mask = 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)
};
static const struct xgene_gstrings_stats gstrings_extd_stats[] = {
XGENE_EXTD_STAT(tx_rx_64b_frame_cntr, TR64, 31),
XGENE_EXTD_STAT(tx_rx_127b_frame_cntr, TR127, 31),
XGENE_EXTD_STAT(tx_rx_255b_frame_cntr, TR255, 31),
XGENE_EXTD_STAT(tx_rx_511b_frame_cntr, TR511, 31),
XGENE_EXTD_STAT(tx_rx_1023b_frame_cntr, TR1K, 31),
XGENE_EXTD_STAT(tx_rx_1518b_frame_cntr, TRMAX, 31),
XGENE_EXTD_STAT(tx_rx_1522b_frame_cntr, TRMGV, 31),
XGENE_EXTD_STAT(rx_fcs_error_cntr, RFCS, 16),
XGENE_EXTD_STAT(rx_multicast_pkt_cntr, RMCA, 31),
XGENE_EXTD_STAT(rx_broadcast_pkt_cntr, RBCA, 31),
XGENE_EXTD_STAT(rx_ctrl_frame_pkt_cntr, RXCF, 16),
XGENE_EXTD_STAT(rx_pause_frame_pkt_cntr, RXPF, 16),
XGENE_EXTD_STAT(rx_unk_opcode_cntr, RXUO, 16),
XGENE_EXTD_STAT(rx_align_err_cntr, RALN, 16),
XGENE_EXTD_STAT(rx_frame_len_err_cntr, RFLR, 16),
XGENE_EXTD_STAT(rx_frame_len_err_recov_cntr, DUMP, 0),
XGENE_EXTD_STAT(rx_code_err_cntr, RCDE, 16),
XGENE_EXTD_STAT(rx_carrier_sense_err_cntr, RCSE, 16),
XGENE_EXTD_STAT(rx_undersize_pkt_cntr, RUND, 16),
XGENE_EXTD_STAT(rx_oversize_pkt_cntr, ROVR, 16),
XGENE_EXTD_STAT(rx_fragments_cntr, RFRG, 16),
XGENE_EXTD_STAT(rx_jabber_cntr, RJBR, 16),
XGENE_EXTD_STAT(rx_jabber_recov_cntr, DUMP, 0),
XGENE_EXTD_STAT(rx_dropped_pkt_cntr, RDRP, 16),
XGENE_EXTD_STAT(rx_overrun_cntr, DUMP, 0),
XGENE_EXTD_STAT(tx_multicast_pkt_cntr, TMCA, 31),
XGENE_EXTD_STAT(tx_broadcast_pkt_cntr, TBCA, 31),
XGENE_EXTD_STAT(tx_pause_ctrl_frame_cntr, TXPF, 16),
XGENE_EXTD_STAT(tx_defer_pkt_cntr, TDFR, 31),
XGENE_EXTD_STAT(tx_excv_defer_pkt_cntr, TEDF, 31),
XGENE_EXTD_STAT(tx_single_col_pkt_cntr, TSCL, 31),
XGENE_EXTD_STAT(tx_multi_col_pkt_cntr, TMCL, 31),
XGENE_EXTD_STAT(tx_late_col_pkt_cntr, TLCL, 31),
XGENE_EXTD_STAT(tx_excv_col_pkt_cntr, TXCL, 31),
XGENE_EXTD_STAT(tx_total_col_cntr, TNCL, 31),
XGENE_EXTD_STAT(tx_pause_frames_hnrd_cntr, TPFH, 16),
XGENE_EXTD_STAT(tx_drop_frame_cntr, TDRP, 16),
XGENE_EXTD_STAT(tx_jabber_frame_cntr, TJBR, 12),
XGENE_EXTD_STAT(tx_fcs_error_cntr, TFCS, 12),
XGENE_EXTD_STAT(tx_ctrl_frame_cntr, TXCF, 12),
XGENE_EXTD_STAT(tx_oversize_frame_cntr, TOVR, 12),
XGENE_EXTD_STAT(tx_undersize_frame_cntr, TUND, 12),
XGENE_EXTD_STAT(tx_fragments_cntr, TFRG, 12),
XGENE_EXTD_STAT(tx_underrun_cntr, DUMP, 0)
};
#define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats)
#define XGENE_EXTD_STATS_LEN ARRAY_SIZE(gstrings_extd_stats)
#define RFCS_IDX 7
#define RALN_IDX 13
#define RFLR_IDX 14
#define FALSE_RFLR_IDX 15
#define RUND_IDX 18
#define FALSE_RJBR_IDX 22
#define RX_OVERRUN_IDX 24
#define TFCS_IDX 38
#define TFRG_IDX 42
#define TX_UNDERRUN_IDX 43
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_link_ksettings(struct net_device *ndev,
struct ethtool_link_ksettings *cmd)
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct phy_device *phydev = ndev->phydev;
u32 supported;
if (phy_interface_mode_is_rgmii(pdata->phy_mode)) {
if (phydev == NULL)
return -ENODEV;
phy_ethtool_ksettings_get(phydev, cmd);
return 0;
} else if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
if (pdata->mdio_driver) {
if (!phydev)
return -ENODEV;
phy_ethtool_ksettings_get(phydev, cmd);
return 0;
}
supported = SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg |
SUPPORTED_MII;
ethtool_convert_legacy_u32_to_link_mode(
cmd->link_modes.supported,
supported);
ethtool_convert_legacy_u32_to_link_mode(
cmd->link_modes.advertising,
supported);
cmd->base.speed = SPEED_1000;
cmd->base.duplex = DUPLEX_FULL;
cmd->base.port = PORT_MII;
cmd->base.autoneg = AUTONEG_ENABLE;
} else {
supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE;
ethtool_convert_legacy_u32_to_link_mode(
cmd->link_modes.supported,
supported);
ethtool_convert_legacy_u32_to_link_mode(
cmd->link_modes.advertising,
supported);
cmd->base.speed = SPEED_10000;
cmd->base.duplex = DUPLEX_FULL;
cmd->base.port = PORT_FIBRE;
cmd->base.autoneg = AUTONEG_DISABLE;
}
return 0;
}
static int xgene_set_link_ksettings(struct net_device *ndev,
const struct ethtool_link_ksettings *cmd)
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct phy_device *phydev = ndev->phydev;
if (phy_interface_mode_is_rgmii(pdata->phy_mode)) {
if (!phydev)
return -ENODEV;
return phy_ethtool_ksettings_set(phydev, cmd);
}
if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
if (pdata->mdio_driver) {
if (!phydev)
return -ENODEV;
return phy_ethtool_ksettings_set(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;
}
for (i = 0; i < XGENE_EXTD_STATS_LEN; i++) {
memcpy(p, gstrings_extd_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 + XGENE_EXTD_STATS_LEN;
}
static void xgene_get_extd_stats(struct xgene_enet_pdata *pdata)
{
u32 rx_drop, tx_drop;
u32 mask, tmp;
int i;
for (i = 0; i < XGENE_EXTD_STATS_LEN; i++) {
tmp = xgene_enet_rd_stat(pdata, gstrings_extd_stats[i].addr);
if (gstrings_extd_stats[i].mask) {
mask = GENMASK(gstrings_extd_stats[i].mask - 1, 0);
pdata->extd_stats[i] += (tmp & mask);
}
}
if (pdata->phy_mode == PHY_INTERFACE_MODE_XGMII) {
/* Errata 10GE_10 - SW should intepret RALN as 0 */
pdata->extd_stats[RALN_IDX] = 0;
} else {
/* Errata ENET_15 - Fixes RFCS, RFLR, TFCS counter */
pdata->extd_stats[RFCS_IDX] -= pdata->extd_stats[RALN_IDX];
pdata->extd_stats[RFLR_IDX] -= pdata->extd_stats[RUND_IDX];
pdata->extd_stats[TFCS_IDX] -= pdata->extd_stats[TFRG_IDX];
}
pdata->mac_ops->get_drop_cnt(pdata, &rx_drop, &tx_drop);
pdata->extd_stats[RX_OVERRUN_IDX] += rx_drop;
pdata->extd_stats[TX_UNDERRUN_IDX] += tx_drop;
/* Errata 10GE_8 - Update Frame recovered from Errata 10GE_8/ENET_11 */
pdata->extd_stats[FALSE_RFLR_IDX] = pdata->false_rflr;
/* Errata ENET_15 - Jabber Frame recov'ed from Errata 10GE_10/ENET_15 */
pdata->extd_stats[FALSE_RJBR_IDX] = pdata->vlan_rjbr;
}
int xgene_extd_stats_init(struct xgene_enet_pdata *pdata)
{
pdata->extd_stats = devm_kmalloc_array(&pdata->pdev->dev,
XGENE_EXTD_STATS_LEN, sizeof(u64), GFP_KERNEL);
if (!pdata->extd_stats)
return -ENOMEM;
xgene_get_extd_stats(pdata);
memset(pdata->extd_stats, 0, XGENE_EXTD_STATS_LEN * sizeof(u64));
return 0;
}
static void xgene_get_ethtool_stats(struct net_device *ndev,
struct ethtool_stats *dummy,
u64 *data)
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct rtnl_link_stats64 stats;
int i;
dev_get_stats(ndev, &stats);
for (i = 0; i < XGENE_STATS_LEN; i++)
data[i] = *(u64 *)((char *)&stats + gstrings_stats[i].offset);
xgene_get_extd_stats(pdata);
for (i = 0; i < XGENE_EXTD_STATS_LEN; i++)
data[i + XGENE_STATS_LEN] = pdata->extd_stats[i];
}
static void xgene_get_pauseparam(struct net_device *ndev,
struct ethtool_pauseparam *pp)
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
pp->autoneg = pdata->pause_autoneg;
pp->tx_pause = pdata->tx_pause;
pp->rx_pause = pdata->rx_pause;
}
static int xgene_set_pauseparam(struct net_device *ndev,
struct ethtool_pauseparam *pp)
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct phy_device *phydev = ndev->phydev;
if (phy_interface_mode_is_rgmii(pdata->phy_mode) ||
pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
if (!phydev)
return -EINVAL;
if (!phy_validate_pause(phydev, pp))
return -EINVAL;
pdata->pause_autoneg = pp->autoneg;
pdata->tx_pause = pp->tx_pause;
pdata->rx_pause = pp->rx_pause;
phy_set_asym_pause(phydev, pp->rx_pause, pp->tx_pause);
if (!pp->autoneg) {
pdata->mac_ops->flowctl_tx(pdata, pdata->tx_pause);
pdata->mac_ops->flowctl_rx(pdata, pdata->rx_pause);
}
} else {
if (pp->autoneg)
return -EINVAL;
pdata->tx_pause = pp->tx_pause;
pdata->rx_pause = pp->rx_pause;
pdata->mac_ops->flowctl_tx(pdata, pdata->tx_pause);
pdata->mac_ops->flowctl_rx(pdata, pdata->rx_pause);
}
return 0;
}
static const struct ethtool_ops xgene_ethtool_ops = {
.get_drvinfo = xgene_get_drvinfo,
.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,
.get_link_ksettings = xgene_get_link_ksettings,
.set_link_ksettings = xgene_set_link_ksettings,
.get_pauseparam = xgene_get_pauseparam,
.set_pauseparam = xgene_set_pauseparam
};
void xgene_enet_set_ethtool_ops(struct net_device *ndev)
{
ndev->ethtool_ops = &xgene_ethtool_ops;
}
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