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 void atl1e_set_msglevel(struct net_device *netdev, u32 data)
 144 {
 145 }
 146
 147 static int atl1e_get_regs_len(struct net_device *netdev)
 148 {
 149         return AT_REGS_LEN * sizeof(u32);
 150 }
 151
 152 static void atl1e_get_regs(struct net_device *netdev,
 153                            struct ethtool_regs *regs, void *p)
 154 {
 155         struct atl1e_adapter *adapter = netdev_priv(netdev);
 156         struct atl1e_hw *hw = &adapter->hw;
 157         u32 *regs_buff = p;
 158         u16 phy_data;
 159
 160         memset(p, 0, AT_REGS_LEN * sizeof(u32));
 161
 162         regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
 163
 164         regs_buff[0]  = AT_READ_REG(hw, REG_VPD_CAP);
 165         regs_buff[1]  = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
 166         regs_buff[2]  = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
 167         regs_buff[3]  = AT_READ_REG(hw, REG_TWSI_CTRL);
 168         regs_buff[4]  = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
 169         regs_buff[5]  = AT_READ_REG(hw, REG_MASTER_CTRL);
 170         regs_buff[6]  = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
 171         regs_buff[7]  = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
 172         regs_buff[8]  = AT_READ_REG(hw, REG_GPHY_CTRL);
 173         regs_buff[9]  = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
 174         regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
 175         regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
 176         regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
 177         regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
 178         regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
 179         regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
 180         regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
 181         regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
 182         regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
 183         regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
 184         regs_buff[20] = AT_READ_REG(hw, REG_MTU);
 185         regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
 186         regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
 187         regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
 188         regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
 189         regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
 190         regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
 191         regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
 192         regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
 193         regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);
 194
 195         atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
 196         regs_buff[73] = (u32)phy_data;
 197         atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
 198         regs_buff[74] = (u32)phy_data;
 199 }
 200
 201 static int atl1e_get_eeprom_len(struct net_device *netdev)
 202 {
 203         struct atl1e_adapter *adapter = netdev_priv(netdev);
 204
 205         if (!atl1e_check_eeprom_exist(&adapter->hw))
 206                 return AT_EEPROM_LEN;
 207         else
 208                 return 0;
 209 }
 210
 211 static int atl1e_get_eeprom(struct net_device *netdev,
 212                 struct ethtool_eeprom *eeprom, u8 *bytes)
 213 {
 214         struct atl1e_adapter *adapter = netdev_priv(netdev);
 215         struct atl1e_hw *hw = &adapter->hw;
 216         u32 *eeprom_buff;
 217         int first_dword, last_dword;
 218         int ret_val = 0;
 219         int i;
 220
 221         if (eeprom->len == 0)
 222                 return -EINVAL;
 223
 224         if (atl1e_check_eeprom_exist(hw)) /* not exist */
 225                 return -EINVAL;
 226
 227         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 228
 229         first_dword = eeprom->offset >> 2;
 230         last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
 231
 232         eeprom_buff = kmalloc(sizeof(u32) *
 233                         (last_dword - first_dword + 1), GFP_KERNEL);
 234         if (eeprom_buff == NULL)
 235                 return -ENOMEM;
 236
 237         for (i = first_dword; i < last_dword; i++) {
 238                 if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
 239                         kfree(eeprom_buff);
 240                         return -EIO;
 241                 }
 242         }
 243
 244         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
 245                         eeprom->len);
 246         kfree(eeprom_buff);
 247
 248         return ret_val;
 249 }
 250
 251 static int atl1e_set_eeprom(struct net_device *netdev,
 252                             struct ethtool_eeprom *eeprom, u8 *bytes)
 253 {
 254         struct atl1e_adapter *adapter = netdev_priv(netdev);
 255         struct atl1e_hw *hw = &adapter->hw;
 256         u32 *eeprom_buff;
 257         u32 *ptr;
 258         int first_dword, last_dword;
 259         int ret_val = 0;
 260         int i;
 261
 262         if (eeprom->len == 0)
 263                 return -EOPNOTSUPP;
 264
 265         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
 266                 return -EINVAL;
 267
 268         first_dword = eeprom->offset >> 2;
 269         last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
 270         eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL);
 271         if (eeprom_buff == NULL)
 272                 return -ENOMEM;
 273
 274         ptr = (u32 *)eeprom_buff;
 275
 276         if (eeprom->offset & 3) {
 277                 /* need read/modify/write of first changed EEPROM word */
 278                 /* only the second byte of the word is being modified */
 279                 if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) {
 280                         ret_val = -EIO;
 281                         goto out;
 282                 }
 283                 ptr++;
 284         }
 285         if (((eeprom->offset + eeprom->len) & 3)) {
 286                 /* need read/modify/write of last changed EEPROM word */
 287                 /* only the first byte of the word is being modified */
 288
 289                 if (!atl1e_read_eeprom(hw, last_dword * 4,
 290                                 &(eeprom_buff[last_dword - first_dword]))) {
 291                         ret_val = -EIO;
 292                         goto out;
 293                 }
 294         }
 295
 296         /* Device's eeprom is always little-endian, word addressable */
 297         memcpy(ptr, bytes, eeprom->len);
 298
 299         for (i = 0; i < last_dword - first_dword + 1; i++) {
 300                 if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
 301                                   eeprom_buff[i])) {
 302                         ret_val = -EIO;
 303                         goto out;
 304                 }
 305         }
 306 out:
 307         kfree(eeprom_buff);
 308         return ret_val;
 309 }
 310
 311 static void atl1e_get_drvinfo(struct net_device *netdev,
 312                 struct ethtool_drvinfo *drvinfo)
 313 {
 314         struct atl1e_adapter *adapter = netdev_priv(netdev);
 315
 316         strncpy(drvinfo->driver,  atl1e_driver_name, 32);
 317         strncpy(drvinfo->version, atl1e_driver_version, 32);
 318         strncpy(drvinfo->fw_version, "L1e", 32);
 319         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 320         drvinfo->n_stats = 0;
 321         drvinfo->testinfo_len = 0;
 322         drvinfo->regdump_len = atl1e_get_regs_len(netdev);
 323         drvinfo->eedump_len = atl1e_get_eeprom_len(netdev);
 324 }
 325
 326 static void atl1e_get_wol(struct net_device *netdev,
 327                           struct ethtool_wolinfo *wol)
 328 {
 329         struct atl1e_adapter *adapter = netdev_priv(netdev);
 330
 331         wol->supported = WAKE_MAGIC | WAKE_PHY;
 332         wol->wolopts = 0;
 333
 334         if (adapter->wol & AT_WUFC_EX)
 335                 wol->wolopts |= WAKE_UCAST;
 336         if (adapter->wol & AT_WUFC_MC)
 337                 wol->wolopts |= WAKE_MCAST;
 338         if (adapter->wol & AT_WUFC_BC)
 339                 wol->wolopts |= WAKE_BCAST;
 340         if (adapter->wol & AT_WUFC_MAG)
 341                 wol->wolopts |= WAKE_MAGIC;
 342         if (adapter->wol & AT_WUFC_LNKC)
 343                 wol->wolopts |= WAKE_PHY;
 344
 345         return;
 346 }
 347
 348 static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 349 {
 350         struct atl1e_adapter *adapter = netdev_priv(netdev);
 351
 352         if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
 353                             WAKE_UCAST | WAKE_MCAST | WAKE_BCAST))
 354                 return -EOPNOTSUPP;
 355         /* these settings will always override what we currently have */
 356         adapter->wol = 0;
 357
 358         if (wol->wolopts & WAKE_MAGIC)
 359                 adapter->wol |= AT_WUFC_MAG;
 360         if (wol->wolopts & WAKE_PHY)
 361                 adapter->wol |= AT_WUFC_LNKC;
 362
 363         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
 364
 365         return 0;
 366 }
 367
 368 static int atl1e_nway_reset(struct net_device *netdev)
 369 {
 370         struct atl1e_adapter *adapter = netdev_priv(netdev);
 371         if (netif_running(netdev))
 372                 atl1e_reinit_locked(adapter);
 373         return 0;
 374 }
 375
 376 static const struct ethtool_ops atl1e_ethtool_ops = {
 377         .get_settings           = atl1e_get_settings,
 378         .set_settings           = atl1e_set_settings,
 379         .get_drvinfo            = atl1e_get_drvinfo,
 380         .get_regs_len           = atl1e_get_regs_len,
 381         .get_regs               = atl1e_get_regs,
 382         .get_wol                = atl1e_get_wol,
 383         .set_wol                = atl1e_set_wol,
 384         .get_msglevel           = atl1e_get_msglevel,
 385         .set_msglevel           = atl1e_set_msglevel,
 386         .nway_reset             = atl1e_nway_reset,
 387         .get_link               = ethtool_op_get_link,
 388         .get_eeprom_len         = atl1e_get_eeprom_len,
 389         .get_eeprom             = atl1e_get_eeprom,
 390         .set_eeprom             = atl1e_set_eeprom,
 391         .set_tx_csum            = ethtool_op_set_tx_hw_csum,
 392         .set_sg                 = ethtool_op_set_sg,
 393         .set_tso                = ethtool_op_set_tso,
 394 };
 395
 396 void atl1e_set_ethtool_ops(struct net_device *netdev)
 397 {
 398         SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops);
 399 }