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linux_dsm_epyc7002/drivers/net/fjes/fjes_ethtool.c
Thomas Gleixner dcc4086d9e treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 308 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 12 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000434.160381502@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:04 +02:00

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// SPDX-License-Identifier: GPL-2.0-only
/*
* FUJITSU Extended Socket Network Device driver
* Copyright (c) 2015 FUJITSU LIMITED
*/
/* 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),
};
#define FJES_EP_STATS_LEN 14
#define FJES_STATS_LEN \
(ARRAY_SIZE(fjes_gstrings_stats) + \
((&((struct fjes_adapter *)netdev_priv(netdev))->hw)->max_epid - 1) * \
FJES_EP_STATS_LEN)
static void fjes_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct fjes_adapter *adapter = netdev_priv(netdev);
struct fjes_hw *hw = &adapter->hw;
int epidx;
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;
}
for (epidx = 0; epidx < hw->max_epid; epidx++) {
if (epidx == hw->my_epid)
continue;
data[i++] = hw->ep_shm_info[epidx].ep_stats
.com_regist_buf_exec;
data[i++] = hw->ep_shm_info[epidx].ep_stats
.com_unregist_buf_exec;
data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_rx;
data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_unshare;
data[i++] = hw->ep_shm_info[epidx].ep_stats
.send_intr_zoneupdate;
data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_rx;
data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_unshare;
data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_stop;
data[i++] = hw->ep_shm_info[epidx].ep_stats
.recv_intr_zoneupdate;
data[i++] = hw->ep_shm_info[epidx].ep_stats.tx_buffer_full;
data[i++] = hw->ep_shm_info[epidx].ep_stats
.tx_dropped_not_shared;
data[i++] = hw->ep_shm_info[epidx].ep_stats
.tx_dropped_ver_mismatch;
data[i++] = hw->ep_shm_info[epidx].ep_stats
.tx_dropped_buf_size_mismatch;
data[i++] = hw->ep_shm_info[epidx].ep_stats
.tx_dropped_vlanid_mismatch;
}
}
static void fjes_get_strings(struct net_device *netdev,
u32 stringset, u8 *data)
{
struct fjes_adapter *adapter = netdev_priv(netdev);
struct fjes_hw *hw = &adapter->hw;
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;
}
for (i = 0; i < hw->max_epid; i++) {
if (i == hw->my_epid)
continue;
sprintf(p, "ep%u_com_regist_buf_exec", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_com_unregist_buf_exec", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_send_intr_rx", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_send_intr_unshare", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_send_intr_zoneupdate", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_recv_intr_rx", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_recv_intr_unshare", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_recv_intr_stop", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_recv_intr_zoneupdate", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_tx_buffer_full", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_tx_dropped_not_shared", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_tx_dropped_ver_mismatch", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_tx_dropped_buf_size_mismatch", i);
p += ETH_GSTRING_LEN;
sprintf(p, "ep%u_tx_dropped_vlanid_mismatch", i);
p += ETH_GSTRING_LEN;
}
break;
}
}
static int fjes_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return FJES_STATS_LEN;
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_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *ecmd)
{
ethtool_link_ksettings_zero_link_mode(ecmd, supported);
ethtool_link_ksettings_zero_link_mode(ecmd, advertising);
ecmd->base.duplex = DUPLEX_FULL;
ecmd->base.autoneg = AUTONEG_DISABLE;
ecmd->base.port = PORT_NONE;
ecmd->base.speed = 20000; /* 20Gb/s */
return 0;
}
static int fjes_get_regs_len(struct net_device *netdev)
{
#define FJES_REGS_LEN 37
return FJES_REGS_LEN * sizeof(u32);
}
static void fjes_get_regs(struct net_device *netdev,
struct ethtool_regs *regs, void *p)
{
struct fjes_adapter *adapter = netdev_priv(netdev);
struct fjes_hw *hw = &adapter->hw;
u32 *regs_buff = p;
memset(p, 0, FJES_REGS_LEN * sizeof(u32));
regs->version = 1;
/* Information registers */
regs_buff[0] = rd32(XSCT_OWNER_EPID);
regs_buff[1] = rd32(XSCT_MAX_EP);
/* Device Control registers */
regs_buff[4] = rd32(XSCT_DCTL);
/* Command Control registers */
regs_buff[8] = rd32(XSCT_CR);
regs_buff[9] = rd32(XSCT_CS);
regs_buff[10] = rd32(XSCT_SHSTSAL);
regs_buff[11] = rd32(XSCT_SHSTSAH);
regs_buff[13] = rd32(XSCT_REQBL);
regs_buff[14] = rd32(XSCT_REQBAL);
regs_buff[15] = rd32(XSCT_REQBAH);
regs_buff[17] = rd32(XSCT_RESPBL);
regs_buff[18] = rd32(XSCT_RESPBAL);
regs_buff[19] = rd32(XSCT_RESPBAH);
/* Interrupt Control registers */
regs_buff[32] = rd32(XSCT_IS);
regs_buff[33] = rd32(XSCT_IMS);
regs_buff[34] = rd32(XSCT_IMC);
regs_buff[35] = rd32(XSCT_IG);
regs_buff[36] = rd32(XSCT_ICTL);
}
static int fjes_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
{
struct fjes_adapter *adapter = netdev_priv(netdev);
struct fjes_hw *hw = &adapter->hw;
int ret = 0;
if (dump->flag) {
if (hw->debug_mode)
return -EPERM;
hw->debug_mode = dump->flag;
/* enable debug mode */
mutex_lock(&hw->hw_info.lock);
ret = fjes_hw_start_debug(hw);
mutex_unlock(&hw->hw_info.lock);
if (ret)
hw->debug_mode = 0;
} else {
if (!hw->debug_mode)
return -EPERM;
/* disable debug mode */
mutex_lock(&hw->hw_info.lock);
ret = fjes_hw_stop_debug(hw);
mutex_unlock(&hw->hw_info.lock);
}
return ret;
}
static int fjes_get_dump_flag(struct net_device *netdev,
struct ethtool_dump *dump)
{
struct fjes_adapter *adapter = netdev_priv(netdev);
struct fjes_hw *hw = &adapter->hw;
dump->len = hw->hw_info.trace_size;
dump->version = 1;
dump->flag = hw->debug_mode;
return 0;
}
static int fjes_get_dump_data(struct net_device *netdev,
struct ethtool_dump *dump, void *buf)
{
struct fjes_adapter *adapter = netdev_priv(netdev);
struct fjes_hw *hw = &adapter->hw;
int ret = 0;
if (hw->hw_info.trace)
memcpy(buf, hw->hw_info.trace, hw->hw_info.trace_size);
else
ret = -EPERM;
return ret;
}
static const struct ethtool_ops fjes_ethtool_ops = {
.get_drvinfo = fjes_get_drvinfo,
.get_ethtool_stats = fjes_get_ethtool_stats,
.get_strings = fjes_get_strings,
.get_sset_count = fjes_get_sset_count,
.get_regs = fjes_get_regs,
.get_regs_len = fjes_get_regs_len,
.set_dump = fjes_set_dump,
.get_dump_flag = fjes_get_dump_flag,
.get_dump_data = fjes_get_dump_data,
.get_link_ksettings = fjes_get_link_ksettings,
};
void fjes_set_ethtool_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &fjes_ethtool_ops;
}
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