drivers/net/atl1e/atl1e_ethtool.c

   1 /*
   2  * Copyright(c) 2007 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 "atl1e.h"
  27
  28 static int atl1e_get_settings(struct net_device *netdev,
  29                               struct ethtool_cmd *ecmd)
  30 {
  31         struct atl1e_adapter *adapter = netdev_priv(netdev);
  32         struct atl1e_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->nic_type == athr_l1e)
  41                 ecmd->supported |= SUPPORTED_1000baseT_Full;
  42
  43         ecmd->advertising = ADVERTISED_TP;
  44
  45         ecmd->advertising |= ADVERTISED_Autoneg;
  46         ecmd->advertising |= hw->autoneg_advertised;
  47
  48         ecmd->port = PORT_TP;
  49         ecmd->phy_address = 0;
  50         ecmd->transceiver = XCVR_INTERNAL;
  51
  52         if (adapter->link_speed != SPEED_0) {
  53                 ecmd->speed = adapter->link_speed;
  54                 if (adapter->link_duplex == FULL_DUPLEX)
  55                         ecmd->duplex = DUPLEX_FULL;
  56                 else
  57                         ecmd->duplex = DUPLEX_HALF;
  58         } else {
  59                 ecmd->speed = -1;
  60                 ecmd->duplex = -1;
  61         }
  62
  63         ecmd->autoneg = AUTONEG_ENABLE;
  64         return 0;
  65 }
  66
  67 static int atl1e_set_settings(struct net_device *netdev,
  68                               struct ethtool_cmd *ecmd)
  69 {
  70         struct atl1e_adapter *adapter = netdev_priv(netdev);
  71         struct atl1e_hw *hw = &adapter->hw;
  72
  73         while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
  74                 msleep(1);
  75
  76         if (ecmd->autoneg == AUTONEG_ENABLE) {
  77                 u16 adv4, adv9;
  78
  79                 if ((ecmd->advertising&ADVERTISE_1000_FULL)) {
  80                         if (hw->nic_type == athr_l1e) {
  81                                 hw->autoneg_advertised =
  82                                         ecmd->advertising & AT_ADV_MASK;
  83                         } else {
  84                                 clear_bit(__AT_RESETTING, &adapter->flags);
  85                                 return -EINVAL;
  86                         }
  87                 } else if (ecmd->advertising&ADVERTISE_1000_HALF) {
  88                         clear_bit(__AT_RESETTING, &adapter->flags);
  89                         return -EINVAL;
  90                 } else {
  91                         hw->autoneg_advertised =
  92                                 ecmd->advertising & AT_ADV_MASK;
  93                 }
  94                 ecmd->advertising = hw->autoneg_advertised |
  95                                     ADVERTISED_TP | ADVERTISED_Autoneg;
  96
  97                 adv4 = hw->mii_autoneg_adv_reg & ~MII_AR_SPEED_MASK;
  98                 adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK;
  99                 if (hw->autoneg_advertised & ADVERTISE_10_HALF)
 100                         adv4 |= MII_AR_10T_HD_CAPS;
 101                 if (hw->autoneg_advertised & ADVERTISE_10_FULL)
 102                         adv4 |= MII_AR_10T_FD_CAPS;
 103                 if (hw->autoneg_advertised & ADVERTISE_100_HALF)
 104                         adv4 |= MII_AR_100TX_HD_CAPS;
 105                 if (hw->autoneg_advertised & ADVERTISE_100_FULL)
 106                         adv4 |= MII_AR_100TX_FD_CAPS;
 107                 if (hw->autoneg_advertised & ADVERTISE_1000_FULL)
 108                         adv9 |= MII_AT001_CR_1000T_FD_CAPS;
 109
 110                 if (adv4 != hw->mii_autoneg_adv_reg ||
 111                                 adv9 != hw->mii_1000t_ctrl_reg) {
 112                         hw->mii_autoneg_adv_reg = adv4;
 113                         hw->mii_1000t_ctrl_reg = adv9;
 114                         hw->re_autoneg = true;
 115                 }
 116
 117         } else {
 118                 clear_bit(__AT_RESETTING, &adapter->flags);
 119                 return -EINVAL;
 120         }
 121
 122         /* reset the link */
 123
 124         if (netif_running(adapter->netdev)) {
 125                 atl1e_down(adapter);
 126                 atl1e_up(adapter);
 127         } else
 128                 atl1e_reset_hw(&adapter->hw);
 129
 130         clear_bit(__AT_RESETTING, &adapter->flags);
 131         return 0;
 132 }
 133
 134 static u32 atl1e_get_msglevel(struct net_device *netdev)
 135 {
 136 #ifdef DBG
 137         return 1;
 138 #else
 139         return 0;
 140 #endif
 141 }
 142
 143 static int atl1e_get_regs_len(struct net_device *netdev)
 144 {
 145         return AT_REGS_LEN * sizeof(u32);
 146 }
 147
 148 static void atl1e_get_regs(struct net_device *netdev,
 149                            struct ethtool_regs *regs, void *p)
 150 {
 151         struct atl1e_adapter *adapter = netdev_priv(netdev);
 152         struct atl1e_hw *hw = &adapter->hw;
 153         u32 *regs_buff = p;
 154         u16 phy_data;
 155
 156         memset(p, 0, AT_REGS_LEN * sizeof(u32));
 157
 158         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 159
 160         regs_buff[0]  = AT_READ_REG(hw, REG_VPD_CAP);
 161         regs_buff[1]  = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
 162         regs_buff[2]  = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
 163         regs_buff[3]  = AT_READ_REG(hw, REG_TWSI_CTRL);
 164         regs_buff[4]  = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
 165         regs_buff[5]  = AT_READ_REG(hw, REG_MASTER_CTRL);
 166         regs_buff[6]  = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
 167         regs_buff[7]  = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
 168         regs_buff[8]  = AT_READ_REG(hw, REG_GPHY_CTRL);
 169         regs_buff[9]  = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
 170         regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
 171         regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
 172         regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
 173         regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
 174         regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
 175         regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
 176         regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
 177         regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
 178         regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
 179         regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
 180         regs_buff[20] = AT_READ_REG(hw, REG_MTU);
 181         regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
 182         regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
 183         regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
 184         regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
 185         regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
 186         regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
 187         regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
 188         regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
 189         regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);
 190
 191         atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
 192         regs_buff[73] = (u32)phy_data;
 193         atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
 194         regs_buff[74] = (u32)phy_data;
 195 }
 196
 197 static int atl1e_get_eeprom_len(struct net_device *netdev)
 198 {
 199         struct atl1e_adapter *adapter = netdev_priv(netdev);
 200
 201         if (!atl1e_check_eeprom_exist(&adapter->hw))
 202                 return AT_EEPROM_LEN;
 203         else
 204                 return 0;
 205 }
 206
 207 static int atl1e_get_eeprom(struct net_device *netdev,
 208                 struct ethtool_eeprom *eeprom, u8 *bytes)
 209 {
 210         struct atl1e_adapter *adapter = netdev_priv(netdev);
 211         struct atl1e_hw *hw = &adapter->hw;
 212         u32 *eeprom_buff;
 213         int first_dword, last_dword;
 214         int ret_val = 0;
 215         int i;
 216
 217         if (eeprom->len == 0)
 218                 return -EINVAL;
 219
 220         if (atl1e_check_eeprom_exist(hw)) /* not exist */
 221                 return -EINVAL;
 222
 223         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 224
 225         first_dword = eeprom->offset >> 2;
 226         last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
 227
 228         eeprom_buff = kmalloc(sizeof(u32) *
 229                         (last_dword - first_dword + 1), GFP_KERNEL);
 230         if (eeprom_buff == NULL)
 231                 return -ENOMEM;
 232
 233         for (i = first_dword; i < last_dword; i++) {
 234                 if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
 235                         kfree(eeprom_buff);
 236                         return -EIO;
 237                 }
 238         }
 239
 240         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
 241                         eeprom->len);
 242         kfree(eeprom_buff);
 243
 244         return ret_val;
 245 }
 246
 247 static int atl1e_set_eeprom(struct net_device *netdev,
 248                             struct ethtool_eeprom *eeprom, u8 *bytes)
 249 {
 250         struct atl1e_adapter *adapter = netdev_priv(netdev);
 251         struct atl1e_hw *hw = &adapter->hw;
 252         u32 *eeprom_buff;
 253         u32 *ptr;
 254         int first_dword, last_dword;
 255         int ret_val = 0;
 256         int i;
 257
 258         if (eeprom->len == 0)
 259                 return -EOPNOTSUPP;
 260
 261         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 262                 return -EINVAL;
 263
 264         first_dword = eeprom->offset >> 2;
 265         last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
 266         eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL);
 267         if (eeprom_buff == NULL)
 268                 return -ENOMEM;
 269
 270         ptr = (u32 *)eeprom_buff;
 271
 272         if (eeprom->offset & 3) {
 273                 /* need read/modify/write of first changed EEPROM word */
 274                 /* only the second byte of the word is being modified */
 275                 if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) {
 276                         ret_val = -EIO;
 277                         goto out;
 278                 }
 279                 ptr++;
 280         }
 281         if (((eeprom->offset + eeprom->len) & 3)) {
 282                 /* need read/modify/write of last changed EEPROM word */
 283                 /* only the first byte of the word is being modified */
 284
 285                 if (!atl1e_read_eeprom(hw, last_dword * 4,
 286                                 &(eeprom_buff[last_dword - first_dword]))) {
 287                         ret_val = -EIO;
 288                         goto out;
 289                 }
 290         }
 291
 292         /* Device's eeprom is always little-endian, word addressable */
 293         memcpy(ptr, bytes, eeprom->len);
 294
 295         for (i = 0; i < last_dword - first_dword + 1; i++) {
 296                 if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
 297                                   eeprom_buff[i])) {
 298                         ret_val = -EIO;
 299                         goto out;
 300                 }
 301         }
 302 out:
 303         kfree(eeprom_buff);
 304         return ret_val;
 305 }
 306
 307 static void atl1e_get_drvinfo(struct net_device *netdev,
 308                 struct ethtool_drvinfo *drvinfo)
 309 {
 310         struct atl1e_adapter *adapter = netdev_priv(netdev);
 311
 312         strncpy(drvinfo->driver,  atl1e_driver_name, 32);
 313         strncpy(drvinfo->version, atl1e_driver_version, 32);
 314         strncpy(drvinfo->fw_version, "L1e", 32);
 315         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 316         drvinfo->n_stats = 0;
 317         drvinfo->testinfo_len = 0;
 318         drvinfo->regdump_len = atl1e_get_regs_len(netdev);
 319         drvinfo->eedump_len = atl1e_get_eeprom_len(netdev);
 320 }
 321
 322 static void atl1e_get_wol(struct net_device *netdev,
 323                           struct ethtool_wolinfo *wol)
 324 {
 325         struct atl1e_adapter *adapter = netdev_priv(netdev);
 326
 327         wol->supported = WAKE_MAGIC | WAKE_PHY;
 328         wol->wolopts = 0;
 329
 330         if (adapter->wol & AT_WUFC_EX)
 331                 wol->wolopts |= WAKE_UCAST;
 332         if (adapter->wol & AT_WUFC_MC)
 333                 wol->wolopts |= WAKE_MCAST;
 334         if (adapter->wol & AT_WUFC_BC)
 335                 wol->wolopts |= WAKE_BCAST;
 336         if (adapter->wol & AT_WUFC_MAG)
 337                 wol->wolopts |= WAKE_MAGIC;
 338         if (adapter->wol & AT_WUFC_LNKC)
 339                 wol->wolopts |= WAKE_PHY;
 340
 341         return;
 342 }
 343
 344 static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 345 {
 346         struct atl1e_adapter *adapter = netdev_priv(netdev);
 347
 348         if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
 349                             WAKE_UCAST | WAKE_MCAST | WAKE_BCAST))
 350                 return -EOPNOTSUPP;
 351         /* these settings will always override what we currently have */
 352         adapter->wol = 0;
 353
 354         if (wol->wolopts & WAKE_MAGIC)
 355                 adapter->wol |= AT_WUFC_MAG;
 356         if (wol->wolopts & WAKE_PHY)
 357                 adapter->wol |= AT_WUFC_LNKC;
 358
 359         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
 360
 361         return 0;
 362 }
 363
 364 static int atl1e_nway_reset(struct net_device *netdev)
 365 {
 366         struct atl1e_adapter *adapter = netdev_priv(netdev);
 367         if (netif_running(netdev))
 368                 atl1e_reinit_locked(adapter);
 369         return 0;
 370 }
 371
 372 static const struct ethtool_ops atl1e_ethtool_ops = {
 373         .get_settings           = atl1e_get_settings,
 374         .set_settings           = atl1e_set_settings,
 375         .get_drvinfo            = atl1e_get_drvinfo,
 376         .get_regs_len           = atl1e_get_regs_len,
 377         .get_regs               = atl1e_get_regs,
 378         .get_wol                = atl1e_get_wol,
 379         .set_wol                = atl1e_set_wol,
 380         .get_msglevel           = atl1e_get_msglevel,
 381         .nway_reset             = atl1e_nway_reset,
 382         .get_link               = ethtool_op_get_link,
 383         .get_eeprom_len         = atl1e_get_eeprom_len,
 384         .get_eeprom             = atl1e_get_eeprom,
 385         .set_eeprom             = atl1e_set_eeprom,
 386         .set_tx_csum            = ethtool_op_set_tx_hw_csum,
 387         .set_sg                 = ethtool_op_set_sg,
 388         .set_tso                = ethtool_op_set_tso,
 389 };
 390
 391 void atl1e_set_ethtool_ops(struct net_device *netdev)
 392 {
 393         SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops);
 394 }