drivers/net/netxen/netxen_nic_ethtool.c

   1 /*
   2  * Copyright (C) 2003 - 2009 NetXen, Inc.
   3  * Copyright (C) 2009 - QLogic Corporation.
   4  * All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  19  * MA  02111-1307, USA.
  20  *
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called LICENSE.
  23  *
  24  */
  25
  26 #include <linux/types.h>
  27 #include <linux/delay.h>
  28 #include <linux/pci.h>
  29 #include <asm/io.h>
  30 #include <linux/netdevice.h>
  31 #include <linux/ethtool.h>
  32
  33 #include "netxen_nic.h"
  34 #include "netxen_nic_hw.h"
  35
  36 struct netxen_nic_stats {
  37         char stat_string[ETH_GSTRING_LEN];
  38         int sizeof_stat;
  39         int stat_offset;
  40 };
  41
  42 #define NETXEN_NIC_STAT(m) sizeof(((struct netxen_adapter *)0)->m), \
  43                         offsetof(struct netxen_adapter, m)
  44
  45 #define NETXEN_NIC_PORT_WINDOW 0x10000
  46 #define NETXEN_NIC_INVALID_DATA 0xDEADBEEF
  47
  48 static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
  49         {"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
  50         {"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
  51         {"rx_dropped", NETXEN_NIC_STAT(stats.rxdropped)},
  52         {"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
  53         {"csummed", NETXEN_NIC_STAT(stats.csummed)},
  54         {"rx_pkts", NETXEN_NIC_STAT(stats.rx_pkts)},
  55         {"lro_pkts", NETXEN_NIC_STAT(stats.lro_pkts)},
  56         {"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
  57         {"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
  58 };
  59
  60 #define NETXEN_NIC_STATS_LEN    ARRAY_SIZE(netxen_nic_gstrings_stats)
  61
  62 static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
  63         "Register_Test_on_offline",
  64         "Link_Test_on_offline"
  65 };
  66
  67 #define NETXEN_NIC_TEST_LEN     ARRAY_SIZE(netxen_nic_gstrings_test)
  68
  69 #define NETXEN_NIC_REGS_COUNT 42
  70 #define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
  71 #define NETXEN_MAX_EEPROM_LEN   1024
  72
  73 static int netxen_nic_get_eeprom_len(struct net_device *dev)
  74 {
  75         return NETXEN_FLASH_TOTAL_SIZE;
  76 }
  77
  78 static void
  79 netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
  80 {
  81         struct netxen_adapter *adapter = netdev_priv(dev);
  82         u32 fw_major = 0;
  83         u32 fw_minor = 0;
  84         u32 fw_build = 0;
  85
  86         strncpy(drvinfo->driver, netxen_nic_driver_name, 32);
  87         strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32);
  88         read_lock(&adapter->adapter_lock);
  89         fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
  90         fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
  91         fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
  92         read_unlock(&adapter->adapter_lock);
  93         sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);
  94
  95         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
  96         drvinfo->regdump_len = NETXEN_NIC_REGS_LEN;
  97         drvinfo->eedump_len = netxen_nic_get_eeprom_len(dev);
  98 }
  99
 100 static int
 101 netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 102 {
 103         struct netxen_adapter *adapter = netdev_priv(dev);
 104         int check_sfp_module = 0;
 105
 106         /* read which mode */
 107         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 108                 ecmd->supported = (SUPPORTED_10baseT_Half |
 109                                    SUPPORTED_10baseT_Full |
 110                                    SUPPORTED_100baseT_Half |
 111                                    SUPPORTED_100baseT_Full |
 112                                    SUPPORTED_1000baseT_Half |
 113                                    SUPPORTED_1000baseT_Full);
 114
 115                 ecmd->advertising = (ADVERTISED_100baseT_Half |
 116                                      ADVERTISED_100baseT_Full |
 117                                      ADVERTISED_1000baseT_Half |
 118                                      ADVERTISED_1000baseT_Full);
 119
 120                 ecmd->port = PORT_TP;
 121
 122                 ecmd->speed = adapter->link_speed;
 123                 ecmd->duplex = adapter->link_duplex;
 124                 ecmd->autoneg = adapter->link_autoneg;
 125
 126         } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 127                 u32 val;
 128
 129                 val = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
 130                 if (val == NETXEN_PORT_MODE_802_3_AP) {
 131                         ecmd->supported = SUPPORTED_1000baseT_Full;
 132                         ecmd->advertising = ADVERTISED_1000baseT_Full;
 133                 } else {
 134                         ecmd->supported = SUPPORTED_10000baseT_Full;
 135                         ecmd->advertising = ADVERTISED_10000baseT_Full;
 136                 }
 137
 138                 if (netif_running(dev) && adapter->has_link_events) {
 139                         ecmd->speed = adapter->link_speed;
 140                         ecmd->autoneg = adapter->link_autoneg;
 141                         ecmd->duplex = adapter->link_duplex;
 142                         goto skip;
 143                 }
 144
 145                 ecmd->port = PORT_TP;
 146
 147                 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
 148                         u16 pcifn = adapter->ahw.pci_func;
 149
 150                         val = NXRD32(adapter, P3_LINK_SPEED_REG(pcifn));
 151                         ecmd->speed = P3_LINK_SPEED_MHZ *
 152                                         P3_LINK_SPEED_VAL(pcifn, val);
 153                 } else
 154                         ecmd->speed = SPEED_10000;
 155
 156                 ecmd->duplex = DUPLEX_FULL;
 157                 ecmd->autoneg = AUTONEG_DISABLE;
 158         } else
 159                 return -EIO;
 160
 161 skip:
 162         ecmd->phy_address = adapter->physical_port;
 163         ecmd->transceiver = XCVR_EXTERNAL;
 164
 165         switch (adapter->ahw.board_type) {
 166         case NETXEN_BRDTYPE_P2_SB35_4G:
 167         case NETXEN_BRDTYPE_P2_SB31_2G:
 168         case NETXEN_BRDTYPE_P3_REF_QG:
 169         case NETXEN_BRDTYPE_P3_4_GB:
 170         case NETXEN_BRDTYPE_P3_4_GB_MM:
 171
 172                 ecmd->supported |= SUPPORTED_Autoneg;
 173                 ecmd->advertising |= ADVERTISED_Autoneg;
 174         case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
 175         case NETXEN_BRDTYPE_P3_10G_CX4:
 176         case NETXEN_BRDTYPE_P3_10G_CX4_LP:
 177         case NETXEN_BRDTYPE_P3_10000_BASE_T:
 178                 ecmd->supported |= SUPPORTED_TP;
 179                 ecmd->advertising |= ADVERTISED_TP;
 180                 ecmd->port = PORT_TP;
 181                 ecmd->autoneg = (adapter->ahw.board_type ==
 182                                  NETXEN_BRDTYPE_P2_SB31_10G_CX4) ?
 183                     (AUTONEG_DISABLE) : (adapter->link_autoneg);
 184                 break;
 185         case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
 186         case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
 187         case NETXEN_BRDTYPE_P3_IMEZ:
 188         case NETXEN_BRDTYPE_P3_XG_LOM:
 189         case NETXEN_BRDTYPE_P3_HMEZ:
 190                 ecmd->supported |= SUPPORTED_MII;
 191                 ecmd->advertising |= ADVERTISED_MII;
 192                 ecmd->port = PORT_MII;
 193                 ecmd->autoneg = AUTONEG_DISABLE;
 194                 break;
 195         case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
 196         case NETXEN_BRDTYPE_P3_10G_SFP_CT:
 197         case NETXEN_BRDTYPE_P3_10G_SFP_QT:
 198                 ecmd->advertising |= ADVERTISED_TP;
 199                 ecmd->supported |= SUPPORTED_TP;
 200                 check_sfp_module = netif_running(dev) &&
 201                         adapter->has_link_events;
 202         case NETXEN_BRDTYPE_P2_SB31_10G:
 203         case NETXEN_BRDTYPE_P3_10G_XFP:
 204                 ecmd->supported |= SUPPORTED_FIBRE;
 205                 ecmd->advertising |= ADVERTISED_FIBRE;
 206                 ecmd->port = PORT_FIBRE;
 207                 ecmd->autoneg = AUTONEG_DISABLE;
 208                 break;
 209         case NETXEN_BRDTYPE_P3_10G_TP:
 210                 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 211                         ecmd->autoneg = AUTONEG_DISABLE;
 212                         ecmd->supported |= (SUPPORTED_FIBRE | SUPPORTED_TP);
 213                         ecmd->advertising |=
 214                                 (ADVERTISED_FIBRE | ADVERTISED_TP);
 215                         ecmd->port = PORT_FIBRE;
 216                         check_sfp_module = netif_running(dev) &&
 217                                 adapter->has_link_events;
 218                 } else {
 219                         ecmd->autoneg = AUTONEG_ENABLE;
 220                         ecmd->supported |= (SUPPORTED_TP |SUPPORTED_Autoneg);
 221                         ecmd->advertising |=
 222                                 (ADVERTISED_TP | ADVERTISED_Autoneg);
 223                         ecmd->port = PORT_TP;
 224                 }
 225                 break;
 226         default:
 227                 printk(KERN_ERR "netxen-nic: Unsupported board model %d\n",
 228                                 adapter->ahw.board_type);
 229                 return -EIO;
 230         }
 231
 232         if (check_sfp_module) {
 233                 switch (adapter->module_type) {
 234                 case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
 235                 case LINKEVENT_MODULE_OPTICAL_SRLR:
 236                 case LINKEVENT_MODULE_OPTICAL_LRM:
 237                 case LINKEVENT_MODULE_OPTICAL_SFP_1G:
 238                         ecmd->port = PORT_FIBRE;
 239                         break;
 240                 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
 241                 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
 242                 case LINKEVENT_MODULE_TWINAX:
 243                         ecmd->port = PORT_TP;
 244                         break;
 245                 default:
 246                         ecmd->port = -1;
 247                 }
 248         }
 249
 250         return 0;
 251 }
 252
 253 static int
 254 netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 255 {
 256         struct netxen_adapter *adapter = netdev_priv(dev);
 257         __u32 status;
 258
 259         /* read which mode */
 260         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 261                 /* autonegotiation */
 262                 if (adapter->phy_write
 263                     && adapter->phy_write(adapter,
 264                                           NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
 265                                           ecmd->autoneg) != 0)
 266                         return -EIO;
 267                 else
 268                         adapter->link_autoneg = ecmd->autoneg;
 269
 270                 if (adapter->phy_read
 271                     && adapter->phy_read(adapter,
 272                                          NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
 273                                          &status) != 0)
 274                         return -EIO;
 275
 276                 /* speed */
 277                 switch (ecmd->speed) {
 278                 case SPEED_10:
 279                         netxen_set_phy_speed(status, 0);
 280                         break;
 281                 case SPEED_100:
 282                         netxen_set_phy_speed(status, 1);
 283                         break;
 284                 case SPEED_1000:
 285                         netxen_set_phy_speed(status, 2);
 286                         break;
 287                 }
 288                 /* set duplex mode */
 289                 if (ecmd->duplex == DUPLEX_HALF)
 290                         netxen_clear_phy_duplex(status);
 291                 if (ecmd->duplex == DUPLEX_FULL)
 292                         netxen_set_phy_duplex(status);
 293                 if (adapter->phy_write
 294                     && adapter->phy_write(adapter,
 295                                           NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
 296                                           *((int *)&status)) != 0)
 297                         return -EIO;
 298                 else {
 299                         adapter->link_speed = ecmd->speed;
 300                         adapter->link_duplex = ecmd->duplex;
 301                 }
 302         } else
 303                 return -EOPNOTSUPP;
 304
 305         if (!netif_running(dev))
 306                 return 0;
 307
 308         dev->netdev_ops->ndo_stop(dev);
 309         return dev->netdev_ops->ndo_open(dev);
 310 }
 311
 312 static int netxen_nic_get_regs_len(struct net_device *dev)
 313 {
 314         return NETXEN_NIC_REGS_LEN;
 315 }
 316
 317 struct netxen_niu_regs {
 318         __u32 reg[NETXEN_NIC_REGS_COUNT];
 319 };
 320
 321 static struct netxen_niu_regs niu_registers[] = {
 322         {
 323          /* GB Mode */
 324          {
 325           NETXEN_NIU_GB_SERDES_RESET,
 326           NETXEN_NIU_GB0_MII_MODE,
 327           NETXEN_NIU_GB1_MII_MODE,
 328           NETXEN_NIU_GB2_MII_MODE,
 329           NETXEN_NIU_GB3_MII_MODE,
 330           NETXEN_NIU_GB0_GMII_MODE,
 331           NETXEN_NIU_GB1_GMII_MODE,
 332           NETXEN_NIU_GB2_GMII_MODE,
 333           NETXEN_NIU_GB3_GMII_MODE,
 334           NETXEN_NIU_REMOTE_LOOPBACK,
 335           NETXEN_NIU_GB0_HALF_DUPLEX,
 336           NETXEN_NIU_GB1_HALF_DUPLEX,
 337           NETXEN_NIU_RESET_SYS_FIFOS,
 338           NETXEN_NIU_GB_CRC_DROP,
 339           NETXEN_NIU_GB_DROP_WRONGADDR,
 340           NETXEN_NIU_TEST_MUX_CTL,
 341
 342           NETXEN_NIU_GB_MAC_CONFIG_0(0),
 343           NETXEN_NIU_GB_MAC_CONFIG_1(0),
 344           NETXEN_NIU_GB_HALF_DUPLEX_CTRL(0),
 345           NETXEN_NIU_GB_MAX_FRAME_SIZE(0),
 346           NETXEN_NIU_GB_TEST_REG(0),
 347           NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
 348           NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
 349           NETXEN_NIU_GB_MII_MGMT_ADDR(0),
 350           NETXEN_NIU_GB_MII_MGMT_CTRL(0),
 351           NETXEN_NIU_GB_MII_MGMT_STATUS(0),
 352           NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
 353           NETXEN_NIU_GB_INTERFACE_CTRL(0),
 354           NETXEN_NIU_GB_INTERFACE_STATUS(0),
 355           NETXEN_NIU_GB_STATION_ADDR_0(0),
 356           NETXEN_NIU_GB_STATION_ADDR_1(0),
 357           -1,
 358           }
 359          },
 360         {
 361          /* XG Mode */
 362          {
 363           NETXEN_NIU_XG_SINGLE_TERM,
 364           NETXEN_NIU_XG_DRIVE_HI,
 365           NETXEN_NIU_XG_DRIVE_LO,
 366           NETXEN_NIU_XG_DTX,
 367           NETXEN_NIU_XG_DEQ,
 368           NETXEN_NIU_XG_WORD_ALIGN,
 369           NETXEN_NIU_XG_RESET,
 370           NETXEN_NIU_XG_POWER_DOWN,
 371           NETXEN_NIU_XG_RESET_PLL,
 372           NETXEN_NIU_XG_SERDES_LOOPBACK,
 373           NETXEN_NIU_XG_DO_BYTE_ALIGN,
 374           NETXEN_NIU_XG_TX_ENABLE,
 375           NETXEN_NIU_XG_RX_ENABLE,
 376           NETXEN_NIU_XG_STATUS,
 377           NETXEN_NIU_XG_PAUSE_THRESHOLD,
 378           NETXEN_NIU_XGE_CONFIG_0,
 379           NETXEN_NIU_XGE_CONFIG_1,
 380           NETXEN_NIU_XGE_IPG,
 381           NETXEN_NIU_XGE_STATION_ADDR_0_HI,
 382           NETXEN_NIU_XGE_STATION_ADDR_0_1,
 383           NETXEN_NIU_XGE_STATION_ADDR_1_LO,
 384           NETXEN_NIU_XGE_STATUS,
 385           NETXEN_NIU_XGE_MAX_FRAME_SIZE,
 386           NETXEN_NIU_XGE_PAUSE_FRAME_VALUE,
 387           NETXEN_NIU_XGE_TX_BYTE_CNT,
 388           NETXEN_NIU_XGE_TX_FRAME_CNT,
 389           NETXEN_NIU_XGE_RX_BYTE_CNT,
 390           NETXEN_NIU_XGE_RX_FRAME_CNT,
 391           NETXEN_NIU_XGE_AGGR_ERROR_CNT,
 392           NETXEN_NIU_XGE_MULTICAST_FRAME_CNT,
 393           NETXEN_NIU_XGE_UNICAST_FRAME_CNT,
 394           NETXEN_NIU_XGE_CRC_ERROR_CNT,
 395           NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
 396           NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
 397           NETXEN_NIU_XGE_LOCAL_ERROR_CNT,
 398           NETXEN_NIU_XGE_REMOTE_ERROR_CNT,
 399           NETXEN_NIU_XGE_CONTROL_CHAR_CNT,
 400           NETXEN_NIU_XGE_PAUSE_FRAME_CNT,
 401           -1,
 402           }
 403          }
 404 };
 405
 406 static void
 407 netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
 408 {
 409         struct netxen_adapter *adapter = netdev_priv(dev);
 410         __u32 mode, *regs_buff = p;
 411         int i, window;
 412
 413         memset(p, 0, NETXEN_NIC_REGS_LEN);
 414         regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
 415             (adapter->pdev)->device;
 416         /* which mode */
 417         regs_buff[0] = NXRD32(adapter, NETXEN_NIU_MODE);
 418         mode = regs_buff[0];
 419
 420         /* Common registers to all the modes */
 421         regs_buff[2] = NXRD32(adapter, NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER);
 422         /* GB/XGB Mode */
 423         mode = (mode / 2) - 1;
 424         window = 0;
 425         if (mode <= 1) {
 426                 for (i = 3; niu_registers[mode].reg[i - 3] != -1; i++) {
 427                         /* GB: port specific registers */
 428                         if (mode == 0 && i >= 19)
 429                                 window = adapter->physical_port *
 430                                         NETXEN_NIC_PORT_WINDOW;
 431
 432                         regs_buff[i] = NXRD32(adapter,
 433                                 niu_registers[mode].reg[i - 3] + window);
 434                 }
 435
 436         }
 437 }
 438
 439 static u32 netxen_nic_test_link(struct net_device *dev)
 440 {
 441         struct netxen_adapter *adapter = netdev_priv(dev);
 442         __u32 status;
 443         int val;
 444
 445         /* read which mode */
 446         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 447                 if (adapter->phy_read
 448                     && adapter->phy_read(adapter,
 449                                          NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
 450                                          &status) != 0)
 451                         return -EIO;
 452                 else {
 453                         val = netxen_get_phy_link(status);
 454                         return !val;
 455                 }
 456         } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 457                 val = NXRD32(adapter, CRB_XG_STATE);
 458                 return (val == XG_LINK_UP) ? 0 : 1;
 459         }
 460         return -EIO;
 461 }
 462
 463 static int
 464 netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 465                       u8 * bytes)
 466 {
 467         struct netxen_adapter *adapter = netdev_priv(dev);
 468         int offset;
 469         int ret;
 470
 471         if (eeprom->len == 0)
 472                 return -EINVAL;
 473
 474         eeprom->magic = (adapter->pdev)->vendor |
 475                         ((adapter->pdev)->device << 16);
 476         offset = eeprom->offset;
 477
 478         ret = netxen_rom_fast_read_words(adapter, offset, bytes,
 479                                                 eeprom->len);
 480         if (ret < 0)
 481                 return ret;
 482
 483         return 0;
 484 }
 485
 486 static void
 487 netxen_nic_get_ringparam(struct net_device *dev,
 488                 struct ethtool_ringparam *ring)
 489 {
 490         struct netxen_adapter *adapter = netdev_priv(dev);
 491
 492         ring->rx_pending = adapter->num_rxd;
 493         ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
 494         ring->rx_jumbo_pending += adapter->num_lro_rxd;
 495         ring->tx_pending = adapter->num_txd;
 496
 497         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 498                 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
 499                 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_1G;
 500         } else {
 501                 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G;
 502                 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 503         }
 504
 505         ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
 506
 507         ring->rx_mini_max_pending = 0;
 508         ring->rx_mini_pending = 0;
 509 }
 510
 511 static u32
 512 netxen_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
 513 {
 514         u32 num_desc;
 515         num_desc = max(val, min);
 516         num_desc = min(num_desc, max);
 517         num_desc = roundup_pow_of_two(num_desc);
 518
 519         if (val != num_desc) {
 520                 printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
 521                        netxen_nic_driver_name, r_name, num_desc, val);
 522         }
 523
 524         return num_desc;
 525 }
 526
 527 static int
 528 netxen_nic_set_ringparam(struct net_device *dev,
 529                 struct ethtool_ringparam *ring)
 530 {
 531         struct netxen_adapter *adapter = netdev_priv(dev);
 532         u16 max_rcv_desc = MAX_RCV_DESCRIPTORS_10G;
 533         u16 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 534         u16 num_rxd, num_jumbo_rxd, num_txd;
 535
 536         if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 537                 return -EOPNOTSUPP;
 538
 539         if (ring->rx_mini_pending)
 540                 return -EOPNOTSUPP;
 541
 542         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 543                 max_rcv_desc = MAX_RCV_DESCRIPTORS_1G;
 544                 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 545         }
 546
 547         num_rxd = netxen_validate_ringparam(ring->rx_pending,
 548                         MIN_RCV_DESCRIPTORS, max_rcv_desc, "rx");
 549
 550         num_jumbo_rxd = netxen_validate_ringparam(ring->rx_jumbo_pending,
 551                         MIN_JUMBO_DESCRIPTORS, max_jumbo_desc, "rx jumbo");
 552
 553         num_txd = netxen_validate_ringparam(ring->tx_pending,
 554                         MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");
 555
 556         if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
 557                         num_jumbo_rxd == adapter->num_jumbo_rxd)
 558                 return 0;
 559
 560         adapter->num_rxd = num_rxd;
 561         adapter->num_jumbo_rxd = num_jumbo_rxd;
 562         adapter->num_txd = num_txd;
 563
 564         return netxen_nic_reset_context(adapter);
 565 }
 566
 567 static void
 568 netxen_nic_get_pauseparam(struct net_device *dev,
 569                           struct ethtool_pauseparam *pause)
 570 {
 571         struct netxen_adapter *adapter = netdev_priv(dev);
 572         __u32 val;
 573         int port = adapter->physical_port;
 574
 575         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 576                 if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
 577                         return;
 578                 /* get flow control settings */
 579                 val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
 580                 pause->rx_pause = netxen_gb_get_rx_flowctl(val);
 581                 val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
 582                 switch (port) {
 583                         case 0:
 584                                 pause->tx_pause = !(netxen_gb_get_gb0_mask(val));
 585                                 break;
 586                         case 1:
 587                                 pause->tx_pause = !(netxen_gb_get_gb1_mask(val));
 588                                 break;
 589                         case 2:
 590                                 pause->tx_pause = !(netxen_gb_get_gb2_mask(val));
 591                                 break;
 592                         case 3:
 593                         default:
 594                                 pause->tx_pause = !(netxen_gb_get_gb3_mask(val));
 595                                 break;
 596                 }
 597         } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 598                 if ((port < 0) || (port > NETXEN_NIU_MAX_XG_PORTS))
 599                         return;
 600                 pause->rx_pause = 1;
 601                 val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
 602                 if (port == 0)
 603                         pause->tx_pause = !(netxen_xg_get_xg0_mask(val));
 604                 else
 605                         pause->tx_pause = !(netxen_xg_get_xg1_mask(val));
 606         } else {
 607                 printk(KERN_ERR"%s: Unknown board type: %x\n",
 608                                 netxen_nic_driver_name, adapter->ahw.port_type);
 609         }
 610 }
 611
 612 static int
 613 netxen_nic_set_pauseparam(struct net_device *dev,
 614                           struct ethtool_pauseparam *pause)
 615 {
 616         struct netxen_adapter *adapter = netdev_priv(dev);
 617         __u32 val;
 618         int port = adapter->physical_port;
 619         /* read mode */
 620         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 621                 if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
 622                         return -EIO;
 623                 /* set flow control */
 624                 val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
 625
 626                 if (pause->rx_pause)
 627                         netxen_gb_rx_flowctl(val);
 628                 else
 629                         netxen_gb_unset_rx_flowctl(val);
 630
 631                 NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
 632                                 val);
 633                 /* set autoneg */
 634                 val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
 635                 switch (port) {
 636                         case 0:
 637                                 if (pause->tx_pause)
 638                                         netxen_gb_unset_gb0_mask(val);
 639                                 else
 640                                         netxen_gb_set_gb0_mask(val);
 641                                 break;
 642                         case 1:
 643                                 if (pause->tx_pause)
 644                                         netxen_gb_unset_gb1_mask(val);
 645                                 else
 646                                         netxen_gb_set_gb1_mask(val);
 647                                 break;
 648                         case 2:
 649                                 if (pause->tx_pause)
 650                                         netxen_gb_unset_gb2_mask(val);
 651                                 else
 652                                         netxen_gb_set_gb2_mask(val);
 653                                 break;
 654                         case 3:
 655                         default:
 656                                 if (pause->tx_pause)
 657                                         netxen_gb_unset_gb3_mask(val);
 658                                 else
 659                                         netxen_gb_set_gb3_mask(val);
 660                                 break;
 661                 }
 662                 NXWR32(adapter, NETXEN_NIU_GB_PAUSE_CTL, val);
 663         } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 664                 if ((port < 0) || (port > NETXEN_NIU_MAX_XG_PORTS))
 665                         return -EIO;
 666                 val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
 667                 if (port == 0) {
 668                         if (pause->tx_pause)
 669                                 netxen_xg_unset_xg0_mask(val);
 670                         else
 671                                 netxen_xg_set_xg0_mask(val);
 672                 } else {
 673                         if (pause->tx_pause)
 674                                 netxen_xg_unset_xg1_mask(val);
 675                         else
 676                                 netxen_xg_set_xg1_mask(val);
 677                 }
 678                 NXWR32(adapter, NETXEN_NIU_XG_PAUSE_CTL, val);
 679         } else {
 680                 printk(KERN_ERR "%s: Unknown board type: %x\n",
 681                                 netxen_nic_driver_name,
 682                                 adapter->ahw.port_type);
 683         }
 684         return 0;
 685 }
 686
 687 static int netxen_nic_reg_test(struct net_device *dev)
 688 {
 689         struct netxen_adapter *adapter = netdev_priv(dev);
 690         u32 data_read, data_written;
 691
 692         data_read = NXRD32(adapter, NETXEN_PCIX_PH_REG(0));
 693         if ((data_read & 0xffff) != PHAN_VENDOR_ID)
 694         return 1;
 695
 696         data_written = (u32)0xa5a5a5a5;
 697
 698         NXWR32(adapter, CRB_SCRATCHPAD_TEST, data_written);
 699         data_read = NXRD32(adapter, CRB_SCRATCHPAD_TEST);
 700         if (data_written != data_read)
 701                 return 1;
 702
 703         return 0;
 704 }
 705
 706 static int netxen_get_sset_count(struct net_device *dev, int sset)
 707 {
 708         switch (sset) {
 709         case ETH_SS_TEST:
 710                 return NETXEN_NIC_TEST_LEN;
 711         case ETH_SS_STATS:
 712                 return NETXEN_NIC_STATS_LEN;
 713         default:
 714                 return -EOPNOTSUPP;
 715         }
 716 }
 717
 718 static void
 719 netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
 720                      u64 * data)
 721 {
 722         memset(data, 0, sizeof(uint64_t) * NETXEN_NIC_TEST_LEN);
 723         if ((data[0] = netxen_nic_reg_test(dev)))
 724                 eth_test->flags |= ETH_TEST_FL_FAILED;
 725         /* link test */
 726         if ((data[1] = (u64) netxen_nic_test_link(dev)))
 727                 eth_test->flags |= ETH_TEST_FL_FAILED;
 728 }
 729
 730 static void
 731 netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 * data)
 732 {
 733         int index;
 734
 735         switch (stringset) {
 736         case ETH_SS_TEST:
 737                 memcpy(data, *netxen_nic_gstrings_test,
 738                        NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
 739                 break;
 740         case ETH_SS_STATS:
 741                 for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
 742                         memcpy(data + index * ETH_GSTRING_LEN,
 743                                netxen_nic_gstrings_stats[index].stat_string,
 744                                ETH_GSTRING_LEN);
 745                 }
 746                 break;
 747         }
 748 }
 749
 750 static void
 751 netxen_nic_get_ethtool_stats(struct net_device *dev,
 752                              struct ethtool_stats *stats, u64 * data)
 753 {
 754         struct netxen_adapter *adapter = netdev_priv(dev);
 755         int index;
 756
 757         for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
 758                 char *p =
 759                     (char *)adapter +
 760                     netxen_nic_gstrings_stats[index].stat_offset;
 761                 data[index] =
 762                     (netxen_nic_gstrings_stats[index].sizeof_stat ==
 763                      sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
 764         }
 765 }
 766
 767 static u32 netxen_nic_get_rx_csum(struct net_device *dev)
 768 {
 769         struct netxen_adapter *adapter = netdev_priv(dev);
 770         return adapter->rx_csum;
 771 }
 772
 773 static int netxen_nic_set_rx_csum(struct net_device *dev, u32 data)
 774 {
 775         struct netxen_adapter *adapter = netdev_priv(dev);
 776         adapter->rx_csum = !!data;
 777         return 0;
 778 }
 779
 780 static u32 netxen_nic_get_tso(struct net_device *dev)
 781 {
 782         struct netxen_adapter *adapter = netdev_priv(dev);
 783
 784         if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 785                 return (dev->features & (NETIF_F_TSO | NETIF_F_TSO6)) != 0;
 786
 787         return (dev->features & NETIF_F_TSO) != 0;
 788 }
 789
 790 static int netxen_nic_set_tso(struct net_device *dev, u32 data)
 791 {
 792         if (data) {
 793                 struct netxen_adapter *adapter = netdev_priv(dev);
 794
 795                 dev->features |= NETIF_F_TSO;
 796                 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 797                         dev->features |= NETIF_F_TSO6;
 798         } else
 799                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
 800
 801         return 0;
 802 }
 803
 804 static void
 805 netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 806 {
 807         struct netxen_adapter *adapter = netdev_priv(dev);
 808         u32 wol_cfg = 0;
 809
 810         wol->supported = 0;
 811         wol->wolopts = 0;
 812
 813         if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 814                 return;
 815
 816         wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
 817         if (wol_cfg & (1UL << adapter->portnum))
 818                 wol->supported |= WAKE_MAGIC;
 819
 820         wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
 821         if (wol_cfg & (1UL << adapter->portnum))
 822                 wol->wolopts |= WAKE_MAGIC;
 823 }
 824
 825 static int
 826 netxen_nic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 827 {
 828         struct netxen_adapter *adapter = netdev_priv(dev);
 829         u32 wol_cfg = 0;
 830
 831         if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 832                 return -EOPNOTSUPP;
 833
 834         if (wol->wolopts & ~WAKE_MAGIC)
 835                 return -EOPNOTSUPP;
 836
 837         wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
 838         if (!(wol_cfg & (1 << adapter->portnum)))
 839                 return -EOPNOTSUPP;
 840
 841         wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
 842         if (wol->wolopts & WAKE_MAGIC)
 843                 wol_cfg |= 1UL << adapter->portnum;
 844         else
 845                 wol_cfg &= ~(1UL << adapter->portnum);
 846         NXWR32(adapter, NETXEN_WOL_CONFIG, wol_cfg);
 847
 848         return 0;
 849 }
 850
 851 /*
 852  * Set the coalescing parameters. Currently only normal is supported.
 853  * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
 854  * firmware coalescing to default.
 855  */
 856 static int netxen_set_intr_coalesce(struct net_device *netdev,
 857                         struct ethtool_coalesce *ethcoal)
 858 {
 859         struct netxen_adapter *adapter = netdev_priv(netdev);
 860
 861         if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
 862                 return -EINVAL;
 863
 864         if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
 865                 return -EINVAL;
 866
 867         /*
 868         * Return Error if unsupported values or
 869         * unsupported parameters are set.
 870         */
 871         if (ethcoal->rx_coalesce_usecs > 0xffff ||
 872                 ethcoal->rx_max_coalesced_frames > 0xffff ||
 873                 ethcoal->tx_coalesce_usecs > 0xffff ||
 874                 ethcoal->tx_max_coalesced_frames > 0xffff ||
 875                 ethcoal->rx_coalesce_usecs_irq ||
 876                 ethcoal->rx_max_coalesced_frames_irq ||
 877                 ethcoal->tx_coalesce_usecs_irq ||
 878                 ethcoal->tx_max_coalesced_frames_irq ||
 879                 ethcoal->stats_block_coalesce_usecs ||
 880                 ethcoal->use_adaptive_rx_coalesce ||
 881                 ethcoal->use_adaptive_tx_coalesce ||
 882                 ethcoal->pkt_rate_low ||
 883                 ethcoal->rx_coalesce_usecs_low ||
 884                 ethcoal->rx_max_coalesced_frames_low ||
 885                 ethcoal->tx_coalesce_usecs_low ||
 886                 ethcoal->tx_max_coalesced_frames_low ||
 887                 ethcoal->pkt_rate_high ||
 888                 ethcoal->rx_coalesce_usecs_high ||
 889                 ethcoal->rx_max_coalesced_frames_high ||
 890                 ethcoal->tx_coalesce_usecs_high ||
 891                 ethcoal->tx_max_coalesced_frames_high)
 892                 return -EINVAL;
 893
 894         if (!ethcoal->rx_coalesce_usecs ||
 895                 !ethcoal->rx_max_coalesced_frames) {
 896                 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
 897                 adapter->coal.normal.data.rx_time_us =
 898                         NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
 899                 adapter->coal.normal.data.rx_packets =
 900                         NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
 901         } else {
 902                 adapter->coal.flags = 0;
 903                 adapter->coal.normal.data.rx_time_us =
 904                 ethcoal->rx_coalesce_usecs;
 905                 adapter->coal.normal.data.rx_packets =
 906                 ethcoal->rx_max_coalesced_frames;
 907         }
 908         adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
 909         adapter->coal.normal.data.tx_packets =
 910         ethcoal->tx_max_coalesced_frames;
 911
 912         netxen_config_intr_coalesce(adapter);
 913
 914         return 0;
 915 }
 916
 917 static int netxen_get_intr_coalesce(struct net_device *netdev,
 918                         struct ethtool_coalesce *ethcoal)
 919 {
 920         struct netxen_adapter *adapter = netdev_priv(netdev);
 921
 922         if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
 923                 return -EINVAL;
 924
 925         if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
 926                 return -EINVAL;
 927
 928         ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
 929         ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
 930         ethcoal->rx_max_coalesced_frames =
 931                 adapter->coal.normal.data.rx_packets;
 932         ethcoal->tx_max_coalesced_frames =
 933                 adapter->coal.normal.data.tx_packets;
 934
 935         return 0;
 936 }
 937
 938 static int netxen_nic_set_flags(struct net_device *netdev, u32 data)
 939 {
 940         struct netxen_adapter *adapter = netdev_priv(netdev);
 941         int hw_lro;
 942
 943         if (!(adapter->capabilities & NX_FW_CAPABILITY_HW_LRO))
 944                 return -EINVAL;
 945
 946         ethtool_op_set_flags(netdev, data);
 947
 948         hw_lro = (data & ETH_FLAG_LRO) ? NETXEN_NIC_LRO_ENABLED : 0;
 949
 950         if (netxen_config_hw_lro(adapter, hw_lro))
 951                 return -EIO;
 952
 953         if ((hw_lro == 0) && netxen_send_lro_cleanup(adapter))
 954                 return -EIO;
 955
 956
 957         return 0;
 958 }
 959
 960 const struct ethtool_ops netxen_nic_ethtool_ops = {
 961         .get_settings = netxen_nic_get_settings,
 962         .set_settings = netxen_nic_set_settings,
 963         .get_drvinfo = netxen_nic_get_drvinfo,
 964         .get_regs_len = netxen_nic_get_regs_len,
 965         .get_regs = netxen_nic_get_regs,
 966         .get_link = ethtool_op_get_link,
 967         .get_eeprom_len = netxen_nic_get_eeprom_len,
 968         .get_eeprom = netxen_nic_get_eeprom,
 969         .get_ringparam = netxen_nic_get_ringparam,
 970         .set_ringparam = netxen_nic_set_ringparam,
 971         .get_pauseparam = netxen_nic_get_pauseparam,
 972         .set_pauseparam = netxen_nic_set_pauseparam,
 973         .set_tx_csum = ethtool_op_set_tx_csum,
 974         .set_sg = ethtool_op_set_sg,
 975         .get_tso = netxen_nic_get_tso,
 976         .set_tso = netxen_nic_set_tso,
 977         .get_wol = netxen_nic_get_wol,
 978         .set_wol = netxen_nic_set_wol,
 979         .self_test = netxen_nic_diag_test,
 980         .get_strings = netxen_nic_get_strings,
 981         .get_ethtool_stats = netxen_nic_get_ethtool_stats,
 982         .get_sset_count = netxen_get_sset_count,
 983         .get_rx_csum = netxen_nic_get_rx_csum,
 984         .set_rx_csum = netxen_nic_set_rx_csum,
 985         .get_coalesce = netxen_get_intr_coalesce,
 986         .set_coalesce = netxen_set_intr_coalesce,
 987         .get_flags = ethtool_op_get_flags,
 988         .set_flags = netxen_nic_set_flags,
 989 };