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
  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_settings(struct net_device *netdev,
  51                                struct ethtool_cmd *cmd)
  52 {
  53         struct spider_net_card *card;
  54         card = netdev_priv(netdev);
  55
  56         cmd->supported   = (SUPPORTED_1000baseT_Full |
  57                              SUPPORTED_FIBRE);
  58         cmd->advertising = (ADVERTISED_1000baseT_Full |
  59                              ADVERTISED_FIBRE);
  60         cmd->port = PORT_FIBRE;
  61         cmd->speed = card->phy.speed;
  62         cmd->duplex = DUPLEX_FULL;
  63
  64         return 0;
  65 }
  66
  67 static void
  68 spider_net_ethtool_get_drvinfo(struct net_device *netdev,
  69                                struct ethtool_drvinfo *drvinfo)
  70 {
  71         struct spider_net_card *card;
  72         card = netdev_priv(netdev);
  73
  74         /* clear and fill out info */
  75         memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
  76         strncpy(drvinfo->driver, spider_net_driver_name, 32);
  77         strncpy(drvinfo->version, VERSION, 32);
  78         strcpy(drvinfo->fw_version, "no information");
  79         strncpy(drvinfo->bus_info, pci_name(card->pdev), 32);
  80 }
  81
  82 static void
  83 spider_net_ethtool_get_wol(struct net_device *netdev,
  84                            struct ethtool_wolinfo *wolinfo)
  85 {
  86         /* no support for wol */
  87         wolinfo->supported = 0;
  88         wolinfo->wolopts = 0;
  89 }
  90
  91 static u32
  92 spider_net_ethtool_get_msglevel(struct net_device *netdev)
  93 {
  94         struct spider_net_card *card;
  95         card = netdev_priv(netdev);
  96         return card->msg_enable;
  97 }
  98
  99 static void
 100 spider_net_ethtool_set_msglevel(struct net_device *netdev,
 101                                 u32 level)
 102 {
 103         struct spider_net_card *card;
 104         card = netdev_priv(netdev);
 105         card->msg_enable = level;
 106 }
 107
 108 static int
 109 spider_net_ethtool_nway_reset(struct net_device *netdev)
 110 {
 111         if (netif_running(netdev)) {
 112                 spider_net_stop(netdev);
 113                 spider_net_open(netdev);
 114         }
 115         return 0;
 116 }
 117
 118 static u32
 119 spider_net_ethtool_get_rx_csum(struct net_device *netdev)
 120 {
 121         struct spider_net_card *card = netdev_priv(netdev);
 122
 123         return card->options.rx_csum;
 124 }
 125
 126 static int
 127 spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
 128 {
 129         struct spider_net_card *card = netdev_priv(netdev);
 130
 131         card->options.rx_csum = n;
 132         return 0;
 133 }
 134
 135
 136 static void
 137 spider_net_ethtool_get_ringparam(struct net_device *netdev,
 138                                  struct ethtool_ringparam *ering)
 139 {
 140         struct spider_net_card *card = netdev_priv(netdev);
 141
 142         ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
 143         ering->tx_pending = card->tx_chain.num_desc;
 144         ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
 145         ering->rx_pending = card->rx_chain.num_desc;
 146 }
 147
 148 static int spider_net_get_sset_count(struct net_device *netdev, int sset)
 149 {
 150         switch (sset) {
 151         case ETH_SS_STATS:
 152                 return ARRAY_SIZE(ethtool_stats_keys);
 153         default:
 154                 return -EOPNOTSUPP;
 155         }
 156 }
 157
 158 static void spider_net_get_ethtool_stats(struct net_device *netdev,
 159                 struct ethtool_stats *stats, u64 *data)
 160 {
 161         struct spider_net_card *card = netdev_priv(netdev);
 162
 163         data[0] = netdev->stats.tx_packets;
 164         data[1] = netdev->stats.tx_bytes;
 165         data[2] = netdev->stats.rx_packets;
 166         data[3] = netdev->stats.rx_bytes;
 167         data[4] = netdev->stats.tx_errors;
 168         data[5] = netdev->stats.tx_dropped;
 169         data[6] = netdev->stats.rx_dropped;
 170         data[7] = card->spider_stats.rx_desc_error;
 171         data[8] = card->spider_stats.tx_timeouts;
 172         data[9] = card->spider_stats.alloc_rx_skb_error;
 173         data[10] = card->spider_stats.rx_iommu_map_error;
 174         data[11] = card->spider_stats.tx_iommu_map_error;
 175         data[12] = card->spider_stats.rx_desc_unk_state;
 176 }
 177
 178 static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
 179                                    u8 *data)
 180 {
 181         memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
 182 }
 183
 184 const struct ethtool_ops spider_net_ethtool_ops = {
 185         .get_settings           = spider_net_ethtool_get_settings,
 186         .get_drvinfo            = spider_net_ethtool_get_drvinfo,
 187         .get_wol                = spider_net_ethtool_get_wol,
 188         .get_msglevel           = spider_net_ethtool_get_msglevel,
 189         .set_msglevel           = spider_net_ethtool_set_msglevel,
 190         .get_link               = ethtool_op_get_link,
 191         .nway_reset             = spider_net_ethtool_nway_reset,
 192         .get_rx_csum            = spider_net_ethtool_get_rx_csum,
 193         .set_rx_csum            = spider_net_ethtool_set_rx_csum,
 194         .set_tx_csum            = ethtool_op_set_tx_csum,
 195         .get_ringparam          = spider_net_ethtool_get_ringparam,
 196         .get_strings            = spider_net_get_strings,
 197         .get_sset_count         = spider_net_get_sset_count,
 198         .get_ethtool_stats      = spider_net_get_ethtool_stats,
 199 };
 200