315 строки
8.5 KiB
C
315 строки
8.5 KiB
C
/*
|
|
* FUJITSU Extended Socket Network Device driver
|
|
* Copyright (c) 2015 FUJITSU LIMITED
|
|
*
|
|
* 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".
|
|
*
|
|
*/
|
|
|
|
/* 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_settings(struct net_device *netdev,
|
|
struct ethtool_cmd *ecmd)
|
|
{
|
|
ecmd->supported = 0;
|
|
ecmd->advertising = 0;
|
|
ecmd->duplex = DUPLEX_FULL;
|
|
ecmd->autoneg = AUTONEG_DISABLE;
|
|
ecmd->transceiver = XCVR_DUMMY1;
|
|
ecmd->port = PORT_NONE;
|
|
ethtool_cmd_speed_set(ecmd, 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_settings = fjes_get_settings,
|
|
.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,
|
|
};
|
|
|
|
void fjes_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
netdev->ethtool_ops = &fjes_ethtool_ops;
|
|
}
|