drivers/net/spider_net_ethtool.c

   1 /*
   2  * Network device driver for Cell Processor-Based Blade
   3  *
   4  * (C) Copyright IBM Corp. 2005
   5  *
   6  * Authors : Utz Bacher <utz.bacher@de.ibm.com>
   7  *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2, or (at your option)
  12  * any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23
  24 #include <linux/netdevice.h>
  25 #include <linux/ethtool.h>
  26 #include <linux/pci.h>
  27
  28 #include "spider_net.h"
  29
  30 static int
  31 spider_net_ethtool_get_settings(struct net_device *netdev,
  32                                struct ethtool_cmd *cmd)
  33 {
  34         struct spider_net_card *card;
  35         card = netdev_priv(netdev);
  36
  37         cmd->supported   = (SUPPORTED_1000baseT_Full |
  38                              SUPPORTED_FIBRE);
  39         cmd->advertising = (ADVERTISED_1000baseT_Full |
  40                              ADVERTISED_FIBRE);
  41         cmd->port = PORT_FIBRE;
  42         cmd->speed = card->phy.speed;
  43         cmd->duplex = DUPLEX_FULL;
  44
  45         return 0;
  46 }
  47
  48 static void
  49 spider_net_ethtool_get_drvinfo(struct net_device *netdev,
  50                                struct ethtool_drvinfo *drvinfo)
  51 {
  52         struct spider_net_card *card;
  53         card = netdev_priv(netdev);
  54
  55         /* clear and fill out info */
  56         memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
  57         strncpy(drvinfo->driver, spider_net_driver_name, 32);
  58         strncpy(drvinfo->version, "0.1", 32);
  59         strcpy(drvinfo->fw_version, "no information");
  60         strncpy(drvinfo->bus_info, pci_name(card->pdev), 32);
  61 }
  62
  63 static void
  64 spider_net_ethtool_get_wol(struct net_device *netdev,
  65                            struct ethtool_wolinfo *wolinfo)
  66 {
  67         /* no support for wol */
  68         wolinfo->supported = 0;
  69         wolinfo->wolopts = 0;
  70 }
  71
  72 static u32
  73 spider_net_ethtool_get_msglevel(struct net_device *netdev)
  74 {
  75         struct spider_net_card *card;
  76         card = netdev_priv(netdev);
  77         return card->msg_enable;
  78 }
  79
  80 static void
  81 spider_net_ethtool_set_msglevel(struct net_device *netdev,
  82                                 u32 level)
  83 {
  84         struct spider_net_card *card;
  85         card = netdev_priv(netdev);
  86         card->msg_enable = level;
  87 }
  88
  89 static int
  90 spider_net_ethtool_nway_reset(struct net_device *netdev)
  91 {
  92         if (netif_running(netdev)) {
  93                 spider_net_stop(netdev);
  94                 spider_net_open(netdev);
  95         }
  96         return 0;
  97 }
  98
  99 static u32
 100 spider_net_ethtool_get_rx_csum(struct net_device *netdev)
 101 {
 102         struct spider_net_card *card = netdev->priv;
 103
 104         return card->options.rx_csum;
 105 }
 106
 107 static int
 108 spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
 109 {
 110         struct spider_net_card *card = netdev->priv;
 111
 112         card->options.rx_csum = n;
 113         return 0;
 114 }
 115
 116 static uint32_t
 117 spider_net_ethtool_get_tx_csum(struct net_device *netdev)
 118 {
 119         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 120 }
 121
 122 static int
 123 spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data)
 124 {
 125         if (data)
 126                 netdev->features |= NETIF_F_HW_CSUM;
 127         else
 128                 netdev->features &= ~NETIF_F_HW_CSUM;
 129
 130         return 0;
 131 }
 132
 133 static void
 134 spider_net_ethtool_get_ringparam(struct net_device *netdev,
 135                                  struct ethtool_ringparam *ering)
 136 {
 137         struct spider_net_card *card = netdev->priv;
 138
 139         ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
 140         ering->tx_pending = card->tx_desc;
 141         ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
 142         ering->rx_pending = card->rx_desc;
 143 }
 144
 145 struct ethtool_ops spider_net_ethtool_ops = {
 146         .get_settings           = spider_net_ethtool_get_settings,
 147         .get_drvinfo            = spider_net_ethtool_get_drvinfo,
 148         .get_wol                = spider_net_ethtool_get_wol,
 149         .get_msglevel           = spider_net_ethtool_get_msglevel,
 150         .set_msglevel           = spider_net_ethtool_set_msglevel,
 151         .nway_reset             = spider_net_ethtool_nway_reset,
 152         .get_rx_csum            = spider_net_ethtool_get_rx_csum,
 153         .set_rx_csum            = spider_net_ethtool_set_rx_csum,
 154         .get_tx_csum            = spider_net_ethtool_get_tx_csum,
 155         .set_tx_csum            = spider_net_ethtool_set_tx_csum,
 156         .get_ringparam          = spider_net_ethtool_get_ringparam,
 157 };
 158