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/*
* Network device driver for Cell Processor-Based Blade
*
* (C) Copyright IBM Corp. 2005
*
* Authors : Utz Bacher <utz.bacher@de.ibm.com>
* Jens Osterkamp <Jens.Osterkamp@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 <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/pci.h>
#include "spider_net.h"
#define SPIDER_NET_NUM_STATS 13
static struct {
const char str[ETH_GSTRING_LEN];
} ethtool_stats_keys[] = {
{ "tx_packets" },
{ "tx_bytes" },
{ "rx_packets" },
{ "rx_bytes" },
{ "tx_errors" },
{ "tx_dropped" },
{ "rx_dropped" },
{ "rx_descriptor_error" },
{ "tx_timeouts" },
{ "alloc_rx_skb_error" },
{ "rx_iommu_map_error" },
{ "tx_iommu_map_error" },
{ "rx_desc_unk_state" },
};
static int
spider_net_ethtool_get_settings(struct net_device *netdev,
struct ethtool_cmd *cmd)
{
struct spider_net_card *card;
card = netdev_priv(netdev);
cmd->supported = (SUPPORTED_1000baseT_Full |
SUPPORTED_FIBRE);
cmd->advertising = (ADVERTISED_1000baseT_Full |
ADVERTISED_FIBRE);
cmd->port = PORT_FIBRE;
cmd->speed = card->phy.speed;
cmd->duplex = DUPLEX_FULL;
return 0;
}
static void
spider_net_ethtool_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct spider_net_card *card;
card = netdev_priv(netdev);
/* clear and fill out info */
memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
strncpy(drvinfo->driver, spider_net_driver_name, 32);
strncpy(drvinfo->version, VERSION, 32);
strcpy(drvinfo->fw_version, "no information");
strncpy(drvinfo->bus_info, pci_name(card->pdev), 32);
}
static void
spider_net_ethtool_get_wol(struct net_device *netdev,
struct ethtool_wolinfo *wolinfo)
{
/* no support for wol */
wolinfo->supported = 0;
wolinfo->wolopts = 0;
}
static u32
spider_net_ethtool_get_msglevel(struct net_device *netdev)
{
struct spider_net_card *card;
card = netdev_priv(netdev);
return card->msg_enable;
}
static void
spider_net_ethtool_set_msglevel(struct net_device *netdev,
u32 level)
{
struct spider_net_card *card;
card = netdev_priv(netdev);
card->msg_enable = level;
}
static int
spider_net_ethtool_nway_reset(struct net_device *netdev)
{
if (netif_running(netdev)) {
spider_net_stop(netdev);
spider_net_open(netdev);
}
return 0;
}
static u32
spider_net_ethtool_get_rx_csum(struct net_device *netdev)
{
struct spider_net_card *card = netdev->priv;
return card->options.rx_csum;
}
static int
spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
{
struct spider_net_card *card = netdev->priv;
card->options.rx_csum = n;
return 0;
}
static uint32_t
spider_net_ethtool_get_tx_csum(struct net_device *netdev)
{
return (netdev->features & NETIF_F_HW_CSUM) != 0;
}
static int
spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data)
{
if (data)
netdev->features |= NETIF_F_HW_CSUM;
else
netdev->features &= ~NETIF_F_HW_CSUM;
return 0;
}
static void
spider_net_ethtool_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ering)
{
struct spider_net_card *card = netdev->priv;
ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
ering->tx_pending = card->num_tx_desc;
ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
ering->rx_pending = card->num_rx_desc;
}
static int spider_net_get_stats_count(struct net_device *netdev)
{
return SPIDER_NET_NUM_STATS;
}
static void spider_net_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct spider_net_card *card = netdev->priv;
data[0] = card->netdev_stats.tx_packets;
data[1] = card->netdev_stats.tx_bytes;
data[2] = card->netdev_stats.rx_packets;
data[3] = card->netdev_stats.rx_bytes;
data[4] = card->netdev_stats.tx_errors;
data[5] = card->netdev_stats.tx_dropped;
data[6] = card->netdev_stats.rx_dropped;
data[7] = card->spider_stats.rx_desc_error;
data[8] = card->spider_stats.tx_timeouts;
data[9] = card->spider_stats.alloc_rx_skb_error;
data[10] = card->spider_stats.rx_iommu_map_error;
data[11] = card->spider_stats.tx_iommu_map_error;
data[12] = card->spider_stats.rx_desc_unk_state;
}
static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
u8 *data)
{
memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
}
const struct ethtool_ops spider_net_ethtool_ops = {
.get_settings = spider_net_ethtool_get_settings,
.get_drvinfo = spider_net_ethtool_get_drvinfo,
.get_wol = spider_net_ethtool_get_wol,
.get_msglevel = spider_net_ethtool_get_msglevel,
.set_msglevel = spider_net_ethtool_set_msglevel,
.nway_reset = spider_net_ethtool_nway_reset,
.get_rx_csum = spider_net_ethtool_get_rx_csum,
.set_rx_csum = spider_net_ethtool_set_rx_csum,
.get_tx_csum = spider_net_ethtool_get_tx_csum,
.set_tx_csum = spider_net_ethtool_set_tx_csum,
.get_ringparam = spider_net_ethtool_get_ringparam,
.get_strings = spider_net_get_strings,
.get_stats_count = spider_net_get_stats_count,
.get_ethtool_stats = spider_net_get_ethtool_stats,
};
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