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
/*
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* Network device driver for Cell Processor-Based Blade
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*
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* (C) Copyright IBM Corp. 2005
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*
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* Authors : Utz Bacher <utz.bacher@de.ibm.com>
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* Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/pci.h>
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#include "spider_net.h"
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static int
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spider_net_ethtool_get_settings(struct net_device *netdev,
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struct ethtool_cmd *cmd)
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{
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struct spider_net_card *card;
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card = netdev_priv(netdev);
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cmd->supported = (SUPPORTED_1000baseT_Full |
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SUPPORTED_FIBRE);
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cmd->advertising = (ADVERTISED_1000baseT_Full |
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ADVERTISED_FIBRE);
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cmd->port = PORT_FIBRE;
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cmd->speed = card->phy.speed;
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cmd->duplex = DUPLEX_FULL;
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return 0;
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}
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static void
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spider_net_ethtool_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct spider_net_card *card;
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card = netdev_priv(netdev);
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/* clear and fill out info */
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memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
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strncpy(drvinfo->driver, spider_net_driver_name, 32);
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strncpy(drvinfo->version, "0.1", 32);
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strcpy(drvinfo->fw_version, "no information");
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strncpy(drvinfo->bus_info, pci_name(card->pdev), 32);
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}
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static void
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spider_net_ethtool_get_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wolinfo)
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{
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/* no support for wol */
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wolinfo->supported = 0;
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wolinfo->wolopts = 0;
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}
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static u32
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spider_net_ethtool_get_msglevel(struct net_device *netdev)
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{
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struct spider_net_card *card;
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card = netdev_priv(netdev);
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return card->msg_enable;
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}
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static void
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spider_net_ethtool_set_msglevel(struct net_device *netdev,
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u32 level)
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{
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struct spider_net_card *card;
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card = netdev_priv(netdev);
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card->msg_enable = level;
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}
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static int
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spider_net_ethtool_nway_reset(struct net_device *netdev)
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{
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if (netif_running(netdev)) {
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spider_net_stop(netdev);
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spider_net_open(netdev);
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}
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return 0;
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}
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static u32
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spider_net_ethtool_get_rx_csum(struct net_device *netdev)
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{
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struct spider_net_card *card = netdev->priv;
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return card->options.rx_csum;
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}
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static int
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spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
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{
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struct spider_net_card *card = netdev->priv;
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card->options.rx_csum = n;
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return 0;
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}
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static uint32_t
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spider_net_ethtool_get_tx_csum(struct net_device *netdev)
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{
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return (netdev->features & NETIF_F_HW_CSUM) != 0;
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}
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static int
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spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data)
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{
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if (data)
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netdev->features |= NETIF_F_HW_CSUM;
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else
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netdev->features &= ~NETIF_F_HW_CSUM;
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return 0;
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}
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struct ethtool_ops spider_net_ethtool_ops = {
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.get_settings = spider_net_ethtool_get_settings,
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.get_drvinfo = spider_net_ethtool_get_drvinfo,
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.get_wol = spider_net_ethtool_get_wol,
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.get_msglevel = spider_net_ethtool_get_msglevel,
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.set_msglevel = spider_net_ethtool_set_msglevel,
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.nway_reset = spider_net_ethtool_nway_reset,
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.get_rx_csum = spider_net_ethtool_get_rx_csum,
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.set_rx_csum = spider_net_ethtool_set_rx_csum,
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.get_tx_csum = spider_net_ethtool_get_tx_csum,
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.set_tx_csum = spider_net_ethtool_set_tx_csum,
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};
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