278 lines
6.4 KiB
C
278 lines
6.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* linux/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
|
|
*
|
|
* eHEA ethernet device driver for IBM eServer System p
|
|
*
|
|
* (C) Copyright IBM Corp. 2006
|
|
*
|
|
* Authors:
|
|
* Christoph Raisch <raisch@de.ibm.com>
|
|
* Jan-Bernd Themann <themann@de.ibm.com>
|
|
* Thomas Klein <tklein@de.ibm.com>
|
|
*/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include "ehea.h"
|
|
#include "ehea_phyp.h"
|
|
|
|
static int ehea_get_link_ksettings(struct net_device *dev,
|
|
struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct ehea_port *port = netdev_priv(dev);
|
|
u32 supported, advertising;
|
|
u32 speed;
|
|
int ret;
|
|
|
|
ret = ehea_sense_port_attr(port);
|
|
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (netif_carrier_ok(dev)) {
|
|
switch (port->port_speed) {
|
|
case EHEA_SPEED_10M:
|
|
speed = SPEED_10;
|
|
break;
|
|
case EHEA_SPEED_100M:
|
|
speed = SPEED_100;
|
|
break;
|
|
case EHEA_SPEED_1G:
|
|
speed = SPEED_1000;
|
|
break;
|
|
case EHEA_SPEED_10G:
|
|
speed = SPEED_10000;
|
|
break;
|
|
default:
|
|
speed = -1;
|
|
break; /* BUG */
|
|
}
|
|
cmd->base.duplex = port->full_duplex == 1 ?
|
|
DUPLEX_FULL : DUPLEX_HALF;
|
|
} else {
|
|
speed = SPEED_UNKNOWN;
|
|
cmd->base.duplex = DUPLEX_UNKNOWN;
|
|
}
|
|
cmd->base.speed = speed;
|
|
|
|
if (cmd->base.speed == SPEED_10000) {
|
|
supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
|
|
advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
|
|
cmd->base.port = PORT_FIBRE;
|
|
} else {
|
|
supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full
|
|
| SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full
|
|
| SUPPORTED_10baseT_Half | SUPPORTED_Autoneg
|
|
| SUPPORTED_TP);
|
|
advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg
|
|
| ADVERTISED_TP);
|
|
cmd->base.port = PORT_TP;
|
|
}
|
|
|
|
cmd->base.autoneg = port->autoneg == 1 ?
|
|
AUTONEG_ENABLE : AUTONEG_DISABLE;
|
|
|
|
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
|
|
supported);
|
|
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
|
|
advertising);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ehea_set_link_ksettings(struct net_device *dev,
|
|
const struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct ehea_port *port = netdev_priv(dev);
|
|
int ret = 0;
|
|
u32 sp;
|
|
|
|
if (cmd->base.autoneg == AUTONEG_ENABLE) {
|
|
sp = EHEA_SPEED_AUTONEG;
|
|
goto doit;
|
|
}
|
|
|
|
switch (cmd->base.speed) {
|
|
case SPEED_10:
|
|
if (cmd->base.duplex == DUPLEX_FULL)
|
|
sp = H_SPEED_10M_F;
|
|
else
|
|
sp = H_SPEED_10M_H;
|
|
break;
|
|
|
|
case SPEED_100:
|
|
if (cmd->base.duplex == DUPLEX_FULL)
|
|
sp = H_SPEED_100M_F;
|
|
else
|
|
sp = H_SPEED_100M_H;
|
|
break;
|
|
|
|
case SPEED_1000:
|
|
if (cmd->base.duplex == DUPLEX_FULL)
|
|
sp = H_SPEED_1G_F;
|
|
else
|
|
ret = -EINVAL;
|
|
break;
|
|
|
|
case SPEED_10000:
|
|
if (cmd->base.duplex == DUPLEX_FULL)
|
|
sp = H_SPEED_10G_F;
|
|
else
|
|
ret = -EINVAL;
|
|
break;
|
|
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
if (ret)
|
|
goto out;
|
|
doit:
|
|
ret = ehea_set_portspeed(port, sp);
|
|
|
|
if (!ret)
|
|
netdev_info(dev,
|
|
"Port speed successfully set: %dMbps %s Duplex\n",
|
|
port->port_speed,
|
|
port->full_duplex == 1 ? "Full" : "Half");
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int ehea_nway_reset(struct net_device *dev)
|
|
{
|
|
struct ehea_port *port = netdev_priv(dev);
|
|
int ret;
|
|
|
|
ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG);
|
|
|
|
if (!ret)
|
|
netdev_info(port->netdev,
|
|
"Port speed successfully set: %dMbps %s Duplex\n",
|
|
port->port_speed,
|
|
port->full_duplex == 1 ? "Full" : "Half");
|
|
return ret;
|
|
}
|
|
|
|
static void ehea_get_drvinfo(struct net_device *dev,
|
|
struct ethtool_drvinfo *info)
|
|
{
|
|
strscpy(info->driver, DRV_NAME, sizeof(info->driver));
|
|
strscpy(info->version, DRV_VERSION, sizeof(info->version));
|
|
}
|
|
|
|
static u32 ehea_get_msglevel(struct net_device *dev)
|
|
{
|
|
struct ehea_port *port = netdev_priv(dev);
|
|
return port->msg_enable;
|
|
}
|
|
|
|
static void ehea_set_msglevel(struct net_device *dev, u32 value)
|
|
{
|
|
struct ehea_port *port = netdev_priv(dev);
|
|
port->msg_enable = value;
|
|
}
|
|
|
|
static const char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = {
|
|
{"sig_comp_iv"},
|
|
{"swqe_refill_th"},
|
|
{"port resets"},
|
|
{"Receive errors"},
|
|
{"TCP cksum errors"},
|
|
{"IP cksum errors"},
|
|
{"Frame cksum errors"},
|
|
{"num SQ stopped"},
|
|
{"PR0 free_swqes"},
|
|
{"PR1 free_swqes"},
|
|
{"PR2 free_swqes"},
|
|
{"PR3 free_swqes"},
|
|
{"PR4 free_swqes"},
|
|
{"PR5 free_swqes"},
|
|
{"PR6 free_swqes"},
|
|
{"PR7 free_swqes"},
|
|
{"PR8 free_swqes"},
|
|
{"PR9 free_swqes"},
|
|
{"PR10 free_swqes"},
|
|
{"PR11 free_swqes"},
|
|
{"PR12 free_swqes"},
|
|
{"PR13 free_swqes"},
|
|
{"PR14 free_swqes"},
|
|
{"PR15 free_swqes"},
|
|
};
|
|
|
|
static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data)
|
|
{
|
|
if (stringset == ETH_SS_STATS) {
|
|
memcpy(data, &ehea_ethtool_stats_keys,
|
|
sizeof(ehea_ethtool_stats_keys));
|
|
}
|
|
}
|
|
|
|
static int ehea_get_sset_count(struct net_device *dev, int sset)
|
|
{
|
|
switch (sset) {
|
|
case ETH_SS_STATS:
|
|
return ARRAY_SIZE(ehea_ethtool_stats_keys);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static void ehea_get_ethtool_stats(struct net_device *dev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
int i, k, tmp;
|
|
struct ehea_port *port = netdev_priv(dev);
|
|
|
|
for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++)
|
|
data[i] = 0;
|
|
i = 0;
|
|
|
|
data[i++] = port->sig_comp_iv;
|
|
data[i++] = port->port_res[0].swqe_refill_th;
|
|
data[i++] = port->resets;
|
|
|
|
for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
|
|
tmp += port->port_res[k].p_stats.poll_receive_errors;
|
|
data[i++] = tmp;
|
|
|
|
for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
|
|
tmp += port->port_res[k].p_stats.err_tcp_cksum;
|
|
data[i++] = tmp;
|
|
|
|
for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
|
|
tmp += port->port_res[k].p_stats.err_ip_cksum;
|
|
data[i++] = tmp;
|
|
|
|
for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
|
|
tmp += port->port_res[k].p_stats.err_frame_crc;
|
|
data[i++] = tmp;
|
|
|
|
for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
|
|
tmp += port->port_res[k].p_stats.queue_stopped;
|
|
data[i++] = tmp;
|
|
|
|
for (k = 0; k < 16; k++)
|
|
data[i++] = atomic_read(&port->port_res[k].swqe_avail);
|
|
}
|
|
|
|
static const struct ethtool_ops ehea_ethtool_ops = {
|
|
.get_drvinfo = ehea_get_drvinfo,
|
|
.get_msglevel = ehea_get_msglevel,
|
|
.set_msglevel = ehea_set_msglevel,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_strings = ehea_get_strings,
|
|
.get_sset_count = ehea_get_sset_count,
|
|
.get_ethtool_stats = ehea_get_ethtool_stats,
|
|
.nway_reset = ehea_nway_reset, /* Restart autonegotiation */
|
|
.get_link_ksettings = ehea_get_link_ksettings,
|
|
.set_link_ksettings = ehea_set_link_ksettings,
|
|
};
|
|
|
|
void ehea_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
netdev->ethtool_ops = &ehea_ethtool_ops;
|
|
}
|