linux/drivers/net/ehea/ehea_ethtool.c

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/*
* linux/drivers/net/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>
*
*
* 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, 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "ehea.h"
#include "ehea_phyp.h"
static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct ehea_port *port = netdev_priv(dev);
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: cmd->speed = SPEED_10; break;
case EHEA_SPEED_100M: cmd->speed = SPEED_100; break;
case EHEA_SPEED_1G: cmd->speed = SPEED_1000; break;
case EHEA_SPEED_10G: cmd->speed = SPEED_10000; break;
}
cmd->duplex = port->full_duplex == 1 ?
DUPLEX_FULL : DUPLEX_HALF;
} else {
cmd->speed = -1;
cmd->duplex = -1;
}
cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full
| SUPPORTED_100baseT_Full | SUPPORTED_100baseT_Half
| SUPPORTED_10baseT_Full | SUPPORTED_10baseT_Half
| SUPPORTED_Autoneg | SUPPORTED_FIBRE);
cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_Autoneg
| ADVERTISED_FIBRE);
cmd->port = PORT_FIBRE;
cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE;
return 0;
}
static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct ehea_port *port = netdev_priv(dev);
int ret = 0;
u32 sp;
if (cmd->autoneg == AUTONEG_ENABLE) {
sp = EHEA_SPEED_AUTONEG;
goto doit;
}
switch(cmd->speed) {
case SPEED_10:
if (cmd->duplex == DUPLEX_FULL)
sp = H_SPEED_10M_F;
else
sp = H_SPEED_10M_H;
break;
case SPEED_100:
if (cmd->duplex == DUPLEX_FULL)
sp = H_SPEED_100M_F;
else
sp = H_SPEED_100M_H;
break;
case SPEED_1000:
if (cmd->duplex == DUPLEX_FULL)
sp = H_SPEED_1G_F;
else
ret = -EINVAL;
break;
case SPEED_10000:
if (cmd->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)
ehea_info("%s: Port speed succesfully set: %dMbps "
"%s Duplex",
port->netdev->name, 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)
ehea_info("%s: Port speed succesfully set: %dMbps "
"%s Duplex",
port->netdev->name, port->port_speed,
port->full_duplex == 1 ? "Full" : "Half");
return ret;
}
static void ehea_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strlcpy(info->driver, DRV_NAME, sizeof(info->driver) - 1);
strlcpy(info->version, DRV_VERSION, sizeof(info->version) - 1);
}
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 u32 ehea_get_rx_csum(struct net_device *dev)
{
return 1;
}
static char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = {
{"poll_max_processed"},
{"queue_stopped"},
{"min_swqe_avail"},
{"poll_receive_err"},
{"pkt_send"},
{"pkt_xmit"},
{"send_tasklet"},
{"ehea_poll"},
{"nwqe"},
{"swqe_available_0"},
{"sig_comp_iv"},
{"swqe_refill_th"},
{"port resets"},
{"rxo"},
{"rx64"},
{"rx65"},
{"rx128"},
{"rx256"},
{"rx512"},
{"rx1024"},
{"txo"},
{"tx64"},
{"tx65"},
{"tx128"},
{"tx256"},
{"tx512"},
{"tx1024"},
};
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_stats_count(struct net_device *dev)
{
return ARRAY_SIZE(ehea_ethtool_stats_keys);
}
static void ehea_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
u64 hret;
int i;
struct ehea_port *port = netdev_priv(dev);
struct ehea_adapter *adapter = port->adapter;
struct ehea_port_res *pr = &port->port_res[0];
struct port_state *p_state = &pr->p_state;
struct hcp_ehea_port_cb6 *cb6;
for (i = 0; i < ehea_get_stats_count(dev); i++)
data[i] = 0;
i = 0;
data[i++] = p_state->poll_max_processed;
data[i++] = p_state->queue_stopped;
data[i++] = p_state->min_swqe_avail;
data[i++] = p_state->poll_receive_errors;
data[i++] = p_state->pkt_send;
data[i++] = p_state->pkt_xmit;
data[i++] = p_state->send_tasklet;
data[i++] = p_state->ehea_poll;
data[i++] = p_state->nwqe;
data[i++] = atomic_read(&port->port_res[0].swqe_avail);
data[i++] = port->sig_comp_iv;
data[i++] = port->port_res[0].swqe_refill_th;
data[i++] = port->resets;
cb6 = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!cb6) {
ehea_error("no mem for cb6");
return;
}
hret = ehea_h_query_ehea_port(adapter->handle, port->logical_port_id,
H_PORT_CB6, H_PORT_CB6_ALL, cb6);
if (netif_msg_hw(port))
ehea_dump(cb6, sizeof(*cb6), "ehea_get_ethtool_stats");
if (hret == H_SUCCESS) {
data[i++] = cb6->rxo;
data[i++] = cb6->rx64;
data[i++] = cb6->rx65;
data[i++] = cb6->rx128;
data[i++] = cb6->rx256;
data[i++] = cb6->rx512;
data[i++] = cb6->rx1024;
data[i++] = cb6->txo;
data[i++] = cb6->tx64;
data[i++] = cb6->tx65;
data[i++] = cb6->tx128;
data[i++] = cb6->tx256;
data[i++] = cb6->tx512;
data[i++] = cb6->tx1024;
} else
ehea_error("query_ehea_port failed");
kfree(cb6);
}
const struct ethtool_ops ehea_ethtool_ops = {
.get_settings = ehea_get_settings,
.get_drvinfo = ehea_get_drvinfo,
.get_msglevel = ehea_get_msglevel,
.set_msglevel = ehea_set_msglevel,
.get_link = ethtool_op_get_link,
.get_tx_csum = ethtool_op_get_tx_csum,
.get_sg = ethtool_op_get_sg,
.get_tso = ethtool_op_get_tso,
.set_tso = ethtool_op_set_tso,
.get_strings = ehea_get_strings,
.get_stats_count = ehea_get_stats_count,
.get_ethtool_stats = ehea_get_ethtool_stats,
.get_rx_csum = ehea_get_rx_csum,
.set_settings = ehea_set_settings,
.nway_reset = ehea_nway_reset, /* Restart autonegotiation */
};
void ehea_set_ethtool_ops(struct net_device *netdev)
{
SET_ETHTOOL_OPS(netdev, &ehea_ethtool_ops);
}