mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-22 09:22:37 +00:00
11f1a52b87
Performance optimizations, changes in these areas: - RX and TX checksum offload - correct maximum MTU - don't use TX interrupts anymore, use a timer instead - remove some superfluous barriers - improve RX RAM full handling From: Utz Bacher <utz.bacher@de.ibm.com> Signed-off-by: Jens Osterkamp <jens.osterkamp@de.ibm.com> Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
146 lines
3.7 KiB
C
146 lines
3.7 KiB
C
/*
|
|
* 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"
|
|
|
|
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, "0.1", 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;
|
|
}
|
|
|
|
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,
|
|
};
|
|
|