drivers/net/ethernet/toshiba/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
  31 static struct {
  32         const char str[ETH_GSTRING_LEN];
  33 } ethtool_stats_keys[] = {
  34         { "tx_packets" },
  35         { "tx_bytes" },
  36         { "rx_packets" },
  37         { "rx_bytes" },
  38         { "tx_errors" },
  39         { "tx_dropped" },
  40         { "rx_dropped" },
  41         { "rx_descriptor_error" },
  42         { "tx_timeouts" },
  43         { "alloc_rx_skb_error" },
  44         { "rx_iommu_map_error" },
  45         { "tx_iommu_map_error" },
  46         { "rx_desc_unk_state" },
  47 };
  48
  49 static int
  50 spider_net_ethtool_get_link_ksettings(struct net_device *netdev,
  51                                       struct ethtool_link_ksettings *cmd)
  52 {
  53         struct spider_net_card *card;
  54         card = netdev_priv(netdev);
  55
  56         ethtool_link_ksettings_zero_link_mode(cmd, supported);
  57         ethtool_link_ksettings_add_link_mode(cmd, supported, 1000baseT_Full);
  58         ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
  59
  60         ethtool_link_ksettings_zero_link_mode(cmd, advertising);
  61         ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Full);
  62         ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
  63
  64         cmd->base.port = PORT_FIBRE;
  65         cmd->base.speed = card->phy.speed;
  66         cmd->base.duplex = DUPLEX_FULL;
  67
  68         return 0;
  69 }
  70
  71 static void
  72 spider_net_ethtool_get_drvinfo(struct net_device *netdev,
  73                                struct ethtool_drvinfo *drvinfo)
  74 {
  75         struct spider_net_card *card;
  76         card = netdev_priv(netdev);
  77
  78         /* clear and fill out info */
  79         strlcpy(drvinfo->driver, spider_net_driver_name,
  80                 sizeof(drvinfo->driver));
  81         strlcpy(drvinfo->version, VERSION, sizeof(drvinfo->version));
  82         strlcpy(drvinfo->fw_version, "no information",
  83                 sizeof(drvinfo->fw_version));
  84         strlcpy(drvinfo->bus_info, pci_name(card->pdev),
  85                 sizeof(drvinfo->bus_info));
  86 }
  87
  88 static void
  89 spider_net_ethtool_get_wol(struct net_device *netdev,
  90                            struct ethtool_wolinfo *wolinfo)
  91 {
  92         /* no support for wol */
  93         wolinfo->supported = 0;
  94         wolinfo->wolopts = 0;
  95 }
  96
  97 static u32
  98 spider_net_ethtool_get_msglevel(struct net_device *netdev)
  99 {
 100         struct spider_net_card *card;
 101         card = netdev_priv(netdev);
 102         return card->msg_enable;
 103 }
 104
 105 static void
 106 spider_net_ethtool_set_msglevel(struct net_device *netdev,
 107                                 u32 level)
 108 {
 109         struct spider_net_card *card;
 110         card = netdev_priv(netdev);
 111         card->msg_enable = level;
 112 }
 113
 114 static int
 115 spider_net_ethtool_nway_reset(struct net_device *netdev)
 116 {
 117         if (netif_running(netdev)) {
 118                 spider_net_stop(netdev);
 119                 spider_net_open(netdev);
 120         }
 121         return 0;
 122 }
 123
 124 static void
 125 spider_net_ethtool_get_ringparam(struct net_device *netdev,
 126                                  struct ethtool_ringparam *ering)
 127 {
 128         struct spider_net_card *card = netdev_priv(netdev);
 129
 130         ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
 131         ering->tx_pending = card->tx_chain.num_desc;
 132         ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
 133         ering->rx_pending = card->rx_chain.num_desc;
 134 }
 135
 136 static int spider_net_get_sset_count(struct net_device *netdev, int sset)
 137 {
 138         switch (sset) {
 139         case ETH_SS_STATS:
 140                 return ARRAY_SIZE(ethtool_stats_keys);
 141         default:
 142                 return -EOPNOTSUPP;
 143         }
 144 }
 145
 146 static void spider_net_get_ethtool_stats(struct net_device *netdev,
 147                 struct ethtool_stats *stats, u64 *data)
 148 {
 149         struct spider_net_card *card = netdev_priv(netdev);
 150
 151         data[0] = netdev->stats.tx_packets;
 152         data[1] = netdev->stats.tx_bytes;
 153         data[2] = netdev->stats.rx_packets;
 154         data[3] = netdev->stats.rx_bytes;
 155         data[4] = netdev->stats.tx_errors;
 156         data[5] = netdev->stats.tx_dropped;
 157         data[6] = netdev->stats.rx_dropped;
 158         data[7] = card->spider_stats.rx_desc_error;
 159         data[8] = card->spider_stats.tx_timeouts;
 160         data[9] = card->spider_stats.alloc_rx_skb_error;
 161         data[10] = card->spider_stats.rx_iommu_map_error;
 162         data[11] = card->spider_stats.tx_iommu_map_error;
 163         data[12] = card->spider_stats.rx_desc_unk_state;
 164 }
 165
 166 static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
 167                                    u8 *data)
 168 {
 169         memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
 170 }
 171
 172 const struct ethtool_ops spider_net_ethtool_ops = {
 173         .get_drvinfo            = spider_net_ethtool_get_drvinfo,
 174         .get_wol                = spider_net_ethtool_get_wol,
 175         .get_msglevel           = spider_net_ethtool_get_msglevel,
 176         .set_msglevel           = spider_net_ethtool_set_msglevel,
 177         .get_link               = ethtool_op_get_link,
 178         .nway_reset             = spider_net_ethtool_nway_reset,
 179         .get_ringparam          = spider_net_ethtool_get_ringparam,
 180         .get_strings            = spider_net_get_strings,
 181         .get_sset_count         = spider_net_get_sset_count,
 182         .get_ethtool_stats      = spider_net_get_ethtool_stats,
 183         .get_link_ksettings     = spider_net_ethtool_get_link_ksettings,
 184 };
 185