drivers/net/atl1c/atl1c_ethtool.c

   1 /*
   2  * Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved.
   3  *
   4  * Derived from Intel e1000 driver
   5  * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 59
  19  * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20  *
  21  */
  22
  23 #include <linux/netdevice.h>
  24 #include <linux/ethtool.h>
  25
  26 #include "atl1c.h"
  27
  28 static int atl1c_get_settings(struct net_device *netdev,
  29                               struct ethtool_cmd *ecmd)
  30 {
  31         struct atl1c_adapter *adapter = netdev_priv(netdev);
  32         struct atl1c_hw *hw = &adapter->hw;
  33
  34         ecmd->supported = (SUPPORTED_10baseT_Half  |
  35                            SUPPORTED_10baseT_Full  |
  36                            SUPPORTED_100baseT_Half |
  37                            SUPPORTED_100baseT_Full |
  38                            SUPPORTED_Autoneg       |
  39                            SUPPORTED_TP);
  40         if (hw->ctrl_flags & ATL1C_LINK_CAP_1000M)
  41                 ecmd->supported |= SUPPORTED_1000baseT_Full;
  42
  43         ecmd->advertising = ADVERTISED_TP;
  44
  45         ecmd->advertising |= hw->autoneg_advertised;
  46
  47         ecmd->port = PORT_TP;
  48         ecmd->phy_address = 0;
  49         ecmd->transceiver = XCVR_INTERNAL;
  50
  51         if (adapter->link_speed != SPEED_0) {
  52                 ecmd->speed = adapter->link_speed;
  53                 if (adapter->link_duplex == FULL_DUPLEX)
  54                         ecmd->duplex = DUPLEX_FULL;
  55                 else
  56                         ecmd->duplex = DUPLEX_HALF;
  57         } else {
  58                 ecmd->speed = -1;
  59                 ecmd->duplex = -1;
  60         }
  61
  62         ecmd->autoneg = AUTONEG_ENABLE;
  63         return 0;
  64 }
  65
  66 static int atl1c_set_settings(struct net_device *netdev,
  67                               struct ethtool_cmd *ecmd)
  68 {
  69         struct atl1c_adapter *adapter = netdev_priv(netdev);
  70         struct atl1c_hw *hw = &adapter->hw;
  71         u16  autoneg_advertised;
  72
  73         while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
  74                 msleep(1);
  75
  76         if (ecmd->autoneg == AUTONEG_ENABLE) {
  77                 autoneg_advertised = ADVERTISED_Autoneg;
  78         } else {
  79                 if (ecmd->speed == SPEED_1000) {
  80                         if (ecmd->duplex != DUPLEX_FULL) {
  81                                 if (netif_msg_link(adapter))
  82                                         dev_warn(&adapter->pdev->dev,
  83                                                 "1000M half is invalid\n");
  84                                 clear_bit(__AT_RESETTING, &adapter->flags);
  85                                 return -EINVAL;
  86                         }
  87                         autoneg_advertised = ADVERTISED_1000baseT_Full;
  88                 } else if (ecmd->speed == SPEED_100) {
  89                         if (ecmd->duplex == DUPLEX_FULL)
  90                                 autoneg_advertised = ADVERTISED_100baseT_Full;
  91                         else
  92                                 autoneg_advertised = ADVERTISED_100baseT_Half;
  93                 } else {
  94                         if (ecmd->duplex == DUPLEX_FULL)
  95                                 autoneg_advertised = ADVERTISED_10baseT_Full;
  96                         else
  97                                 autoneg_advertised = ADVERTISED_10baseT_Half;
  98                 }
  99         }
 100
 101         if (hw->autoneg_advertised != autoneg_advertised) {
 102                 hw->autoneg_advertised = autoneg_advertised;
 103                 if (atl1c_restart_autoneg(hw) != 0) {
 104                         if (netif_msg_link(adapter))
 105                                 dev_warn(&adapter->pdev->dev,
 106                                         "ethtool speed/duplex setting failed\n");
 107                         clear_bit(__AT_RESETTING, &adapter->flags);
 108                         return -EINVAL;
 109                 }
 110         }
 111         clear_bit(__AT_RESETTING, &adapter->flags);
 112         return 0;
 113 }
 114
 115 static u32 atl1c_get_tx_csum(struct net_device *netdev)
 116 {
 117         return (netdev->features & NETIF_F_HW_CSUM) != 0;
 118 }
 119
 120 static u32 atl1c_get_msglevel(struct net_device *netdev)
 121 {
 122         struct atl1c_adapter *adapter = netdev_priv(netdev);
 123         return adapter->msg_enable;
 124 }
 125
 126 static void atl1c_set_msglevel(struct net_device *netdev, u32 data)
 127 {
 128         struct atl1c_adapter *adapter = netdev_priv(netdev);
 129         adapter->msg_enable = data;
 130 }
 131
 132 static int atl1c_get_regs_len(struct net_device *netdev)
 133 {
 134         return AT_REGS_LEN;
 135 }
 136
 137 static void atl1c_get_regs(struct net_device *netdev,
 138                            struct ethtool_regs *regs, void *p)
 139 {
 140         struct atl1c_adapter *adapter = netdev_priv(netdev);
 141         struct atl1c_hw *hw = &adapter->hw;
 142         u32 *regs_buff = p;
 143         u16 phy_data;
 144
 145         memset(p, 0, AT_REGS_LEN);
 146
 147         regs->version = 0;
 148         AT_READ_REG(hw, REG_VPD_CAP,              p++);
 149         AT_READ_REG(hw, REG_PM_CTRL,              p++);
 150         AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL,  p++);
 151         AT_READ_REG(hw, REG_TWSI_CTRL,            p++);
 152         AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL,   p++);
 153         AT_READ_REG(hw, REG_MASTER_CTRL,          p++);
 154         AT_READ_REG(hw, REG_MANUAL_TIMER_INIT,    p++);
 155         AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++);
 156         AT_READ_REG(hw, REG_GPHY_CTRL,            p++);
 157         AT_READ_REG(hw, REG_LINK_CTRL,            p++);
 158         AT_READ_REG(hw, REG_IDLE_STATUS,          p++);
 159         AT_READ_REG(hw, REG_MDIO_CTRL,            p++);
 160         AT_READ_REG(hw, REG_SERDES_LOCK,          p++);
 161         AT_READ_REG(hw, REG_MAC_CTRL,             p++);
 162         AT_READ_REG(hw, REG_MAC_IPG_IFG,          p++);
 163         AT_READ_REG(hw, REG_MAC_STA_ADDR,         p++);
 164         AT_READ_REG(hw, REG_MAC_STA_ADDR+4,       p++);
 165         AT_READ_REG(hw, REG_RX_HASH_TABLE,        p++);
 166         AT_READ_REG(hw, REG_RX_HASH_TABLE+4,      p++);
 167         AT_READ_REG(hw, REG_RXQ_CTRL,             p++);
 168         AT_READ_REG(hw, REG_TXQ_CTRL,             p++);
 169         AT_READ_REG(hw, REG_MTU,                  p++);
 170         AT_READ_REG(hw, REG_WOL_CTRL,             p++);
 171
 172         atl1c_read_phy_reg(hw, MII_BMCR, &phy_data);
 173         regs_buff[73] = (u32) phy_data;
 174         atl1c_read_phy_reg(hw, MII_BMSR, &phy_data);
 175         regs_buff[74] = (u32) phy_data;
 176 }
 177
 178 static int atl1c_get_eeprom_len(struct net_device *netdev)
 179 {
 180         struct atl1c_adapter *adapter = netdev_priv(netdev);
 181
 182         if (atl1c_check_eeprom_exist(&adapter->hw))
 183                 return AT_EEPROM_LEN;
 184         else
 185                 return 0;
 186 }
 187
 188 static int atl1c_get_eeprom(struct net_device *netdev,
 189                 struct ethtool_eeprom *eeprom, u8 *bytes)
 190 {
 191         struct atl1c_adapter *adapter = netdev_priv(netdev);
 192         struct atl1c_hw *hw = &adapter->hw;
 193         u32 *eeprom_buff;
 194         int first_dword, last_dword;
 195         int ret_val = 0;
 196         int i;
 197
 198         if (eeprom->len == 0)
 199                 return -EINVAL;
 200
 201         if (!atl1c_check_eeprom_exist(hw)) /* not exist */
 202                 return -EINVAL;
 203
 204         eeprom->magic = adapter->pdev->vendor |
 205                         (adapter->pdev->device << 16);
 206
 207         first_dword = eeprom->offset >> 2;
 208         last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
 209
 210         eeprom_buff = kmalloc(sizeof(u32) *
 211                         (last_dword - first_dword + 1), GFP_KERNEL);
 212         if (eeprom_buff == NULL)
 213                 return -ENOMEM;
 214
 215         for (i = first_dword; i < last_dword; i++) {
 216                 if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
 217                         kfree(eeprom_buff);
 218                         return -EIO;
 219                 }
 220         }
 221
 222         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
 223                         eeprom->len);
 224         kfree(eeprom_buff);
 225
 226         return ret_val;
 227         return 0;
 228 }
 229
 230 static void atl1c_get_drvinfo(struct net_device *netdev,
 231                 struct ethtool_drvinfo *drvinfo)
 232 {
 233         struct atl1c_adapter *adapter = netdev_priv(netdev);
 234
 235         strncpy(drvinfo->driver,  atl1c_driver_name, sizeof(drvinfo->driver));
 236         strncpy(drvinfo->version, atl1c_driver_version,
 237                 sizeof(drvinfo->version));
 238         strncpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
 239         strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
 240                 sizeof(drvinfo->bus_info));
 241         drvinfo->n_stats = 0;
 242         drvinfo->testinfo_len = 0;
 243         drvinfo->regdump_len = atl1c_get_regs_len(netdev);
 244         drvinfo->eedump_len = atl1c_get_eeprom_len(netdev);
 245 }
 246
 247 static void atl1c_get_wol(struct net_device *netdev,
 248                           struct ethtool_wolinfo *wol)
 249 {
 250         struct atl1c_adapter *adapter = netdev_priv(netdev);
 251
 252         wol->supported = WAKE_MAGIC | WAKE_PHY;
 253         wol->wolopts = 0;
 254
 255         if (adapter->wol & AT_WUFC_EX)
 256                 wol->wolopts |= WAKE_UCAST;
 257         if (adapter->wol & AT_WUFC_MC)
 258                 wol->wolopts |= WAKE_MCAST;
 259         if (adapter->wol & AT_WUFC_BC)
 260                 wol->wolopts |= WAKE_BCAST;
 261         if (adapter->wol & AT_WUFC_MAG)
 262                 wol->wolopts |= WAKE_MAGIC;
 263         if (adapter->wol & AT_WUFC_LNKC)
 264                 wol->wolopts |= WAKE_PHY;
 265
 266         return;
 267 }
 268
 269 static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 270 {
 271         struct atl1c_adapter *adapter = netdev_priv(netdev);
 272
 273         if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
 274                             WAKE_UCAST | WAKE_BCAST | WAKE_MCAST))
 275                 return -EOPNOTSUPP;
 276         /* these settings will always override what we currently have */
 277         adapter->wol = 0;
 278
 279         if (wol->wolopts & WAKE_MAGIC)
 280                 adapter->wol |= AT_WUFC_MAG;
 281         if (wol->wolopts & WAKE_PHY)
 282                 adapter->wol |= AT_WUFC_LNKC;
 283
 284         return 0;
 285 }
 286
 287 static int atl1c_nway_reset(struct net_device *netdev)
 288 {
 289         struct atl1c_adapter *adapter = netdev_priv(netdev);
 290         if (netif_running(netdev))
 291                 atl1c_reinit_locked(adapter);
 292         return 0;
 293 }
 294
 295 static struct ethtool_ops atl1c_ethtool_ops = {
 296         .get_settings           = atl1c_get_settings,
 297         .set_settings           = atl1c_set_settings,
 298         .get_drvinfo            = atl1c_get_drvinfo,
 299         .get_regs_len           = atl1c_get_regs_len,
 300         .get_regs               = atl1c_get_regs,
 301         .get_wol                = atl1c_get_wol,
 302         .set_wol                = atl1c_set_wol,
 303         .get_msglevel           = atl1c_get_msglevel,
 304         .set_msglevel           = atl1c_set_msglevel,
 305         .nway_reset             = atl1c_nway_reset,
 306         .get_link               = ethtool_op_get_link,
 307         .get_eeprom_len         = atl1c_get_eeprom_len,
 308         .get_eeprom             = atl1c_get_eeprom,
 309         .get_tx_csum            = atl1c_get_tx_csum,
 310         .get_sg                 = ethtool_op_get_sg,
 311         .set_sg                 = ethtool_op_set_sg,
 312 };
 313
 314 void atl1c_set_ethtool_ops(struct net_device *netdev)
 315 {
 316         SET_ETHTOOL_OPS(netdev, &atl1c_ethtool_ops);
 317 }