drivers/net/netxen/netxen_nic_ethtool.c

   1 /*
   2  * Copyright (C) 2003 - 2009 NetXen, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  18  * MA  02111-1307, USA.
  19  *
  20  * The full GNU General Public License is included in this distribution
  21  * in the file called LICENSE.
  22  *
  23  * Contact Information:
  24  *    info@netxen.com
  25  * NetXen Inc,
  26  * 18922 Forge Drive
  27  * Cupertino, CA 95014-0701
  28  *
  29  */
  30
  31 #include <linux/types.h>
  32 #include <linux/delay.h>
  33 #include <linux/pci.h>
  34 #include <asm/io.h>
  35 #include <linux/netdevice.h>
  36 #include <linux/ethtool.h>
  37
  38 #include "netxen_nic.h"
  39 #include "netxen_nic_hw.h"
  40
  41 struct netxen_nic_stats {
  42         char stat_string[ETH_GSTRING_LEN];
  43         int sizeof_stat;
  44         int stat_offset;
  45 };
  46
  47 #define NETXEN_NIC_STAT(m) sizeof(((struct netxen_adapter *)0)->m), \
  48                         offsetof(struct netxen_adapter, m)
  49
  50 #define NETXEN_NIC_PORT_WINDOW 0x10000
  51 #define NETXEN_NIC_INVALID_DATA 0xDEADBEEF
  52
  53 static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
  54         {"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
  55         {"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
  56         {"rx_dropped", NETXEN_NIC_STAT(stats.rxdropped)},
  57         {"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
  58         {"csummed", NETXEN_NIC_STAT(stats.csummed)},
  59         {"rx_pkts", NETXEN_NIC_STAT(stats.rx_pkts)},
  60         {"lro_pkts", NETXEN_NIC_STAT(stats.lro_pkts)},
  61         {"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
  62         {"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
  63 };
  64
  65 #define NETXEN_NIC_STATS_LEN    ARRAY_SIZE(netxen_nic_gstrings_stats)
  66
  67 static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
  68         "Register_Test_on_offline",
  69         "Link_Test_on_offline"
  70 };
  71
  72 #define NETXEN_NIC_TEST_LEN     ARRAY_SIZE(netxen_nic_gstrings_test)
  73
  74 #define NETXEN_NIC_REGS_COUNT 42
  75 #define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
  76 #define NETXEN_MAX_EEPROM_LEN   1024
  77
  78 static int netxen_nic_get_eeprom_len(struct net_device *dev)
  79 {
  80         return NETXEN_FLASH_TOTAL_SIZE;
  81 }
  82
  83 static void
  84 netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
  85 {
  86         struct netxen_adapter *adapter = netdev_priv(dev);
  87         unsigned long flags;
  88         u32 fw_major = 0;
  89         u32 fw_minor = 0;
  90         u32 fw_build = 0;
  91
  92         strncpy(drvinfo->driver, netxen_nic_driver_name, 32);
  93         strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32);
  94         write_lock_irqsave(&adapter->adapter_lock, flags);
  95         fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
  96         fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
  97         fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
  98         write_unlock_irqrestore(&adapter->adapter_lock, flags);
  99         sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);
 100
 101         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 102         drvinfo->regdump_len = NETXEN_NIC_REGS_LEN;
 103         drvinfo->eedump_len = netxen_nic_get_eeprom_len(dev);
 104 }
 105
 106 static int
 107 netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 108 {
 109         struct netxen_adapter *adapter = netdev_priv(dev);
 110         int check_sfp_module = 0;
 111
 112         /* read which mode */
 113         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 114                 ecmd->supported = (SUPPORTED_10baseT_Half |
 115                                    SUPPORTED_10baseT_Full |
 116                                    SUPPORTED_100baseT_Half |
 117                                    SUPPORTED_100baseT_Full |
 118                                    SUPPORTED_1000baseT_Half |
 119                                    SUPPORTED_1000baseT_Full);
 120
 121                 ecmd->advertising = (ADVERTISED_100baseT_Half |
 122                                      ADVERTISED_100baseT_Full |
 123                                      ADVERTISED_1000baseT_Half |
 124                                      ADVERTISED_1000baseT_Full);
 125
 126                 ecmd->port = PORT_TP;
 127
 128                 ecmd->speed = adapter->link_speed;
 129                 ecmd->duplex = adapter->link_duplex;
 130                 ecmd->autoneg = adapter->link_autoneg;
 131
 132         } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 133                 u32 val;
 134
 135                 val = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
 136                 if (val == NETXEN_PORT_MODE_802_3_AP) {
 137                         ecmd->supported = SUPPORTED_1000baseT_Full;
 138                         ecmd->advertising = ADVERTISED_1000baseT_Full;
 139                 } else {
 140                         ecmd->supported = SUPPORTED_10000baseT_Full;
 141                         ecmd->advertising = ADVERTISED_10000baseT_Full;
 142                 }
 143
 144                 if (netif_running(dev) && adapter->has_link_events) {
 145                         ecmd->speed = adapter->link_speed;
 146                         ecmd->autoneg = adapter->link_autoneg;
 147                         ecmd->duplex = adapter->link_duplex;
 148                         goto skip;
 149                 }
 150
 151                 ecmd->port = PORT_TP;
 152
 153                 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
 154                         u16 pcifn = adapter->ahw.pci_func;
 155
 156                         val = NXRD32(adapter, P3_LINK_SPEED_REG(pcifn));
 157                         ecmd->speed = P3_LINK_SPEED_MHZ *
 158                                         P3_LINK_SPEED_VAL(pcifn, val);
 159                 } else
 160                         ecmd->speed = SPEED_10000;
 161
 162                 ecmd->duplex = DUPLEX_FULL;
 163                 ecmd->autoneg = AUTONEG_DISABLE;
 164         } else
 165                 return -EIO;
 166
 167 skip:
 168         ecmd->phy_address = adapter->physical_port;
 169         ecmd->transceiver = XCVR_EXTERNAL;
 170
 171         switch (adapter->ahw.board_type) {
 172         case NETXEN_BRDTYPE_P2_SB35_4G:
 173         case NETXEN_BRDTYPE_P2_SB31_2G:
 174         case NETXEN_BRDTYPE_P3_REF_QG:
 175         case NETXEN_BRDTYPE_P3_4_GB:
 176         case NETXEN_BRDTYPE_P3_4_GB_MM:
 177
 178                 ecmd->supported |= SUPPORTED_Autoneg;
 179                 ecmd->advertising |= ADVERTISED_Autoneg;
 180         case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
 181         case NETXEN_BRDTYPE_P3_10G_CX4:
 182         case NETXEN_BRDTYPE_P3_10G_CX4_LP:
 183         case NETXEN_BRDTYPE_P3_10000_BASE_T:
 184                 ecmd->supported |= SUPPORTED_TP;
 185                 ecmd->advertising |= ADVERTISED_TP;
 186                 ecmd->port = PORT_TP;
 187                 ecmd->autoneg = (adapter->ahw.board_type ==
 188                                  NETXEN_BRDTYPE_P2_SB31_10G_CX4) ?
 189                     (AUTONEG_DISABLE) : (adapter->link_autoneg);
 190                 break;
 191         case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
 192         case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
 193         case NETXEN_BRDTYPE_P3_IMEZ:
 194         case NETXEN_BRDTYPE_P3_XG_LOM:
 195         case NETXEN_BRDTYPE_P3_HMEZ:
 196                 ecmd->supported |= SUPPORTED_MII;
 197                 ecmd->advertising |= ADVERTISED_MII;
 198                 ecmd->port = PORT_MII;
 199                 ecmd->autoneg = AUTONEG_DISABLE;
 200                 break;
 201         case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
 202         case NETXEN_BRDTYPE_P3_10G_SFP_CT:
 203         case NETXEN_BRDTYPE_P3_10G_SFP_QT:
 204                 ecmd->advertising |= ADVERTISED_TP;
 205                 ecmd->supported |= SUPPORTED_TP;
 206                 check_sfp_module = netif_running(dev) &&
 207                         adapter->has_link_events;
 208         case NETXEN_BRDTYPE_P2_SB31_10G:
 209         case NETXEN_BRDTYPE_P3_10G_XFP:
 210                 ecmd->supported |= SUPPORTED_FIBRE;
 211                 ecmd->advertising |= ADVERTISED_FIBRE;
 212                 ecmd->port = PORT_FIBRE;
 213                 ecmd->autoneg = AUTONEG_DISABLE;
 214                 break;
 215         case NETXEN_BRDTYPE_P3_10G_TP:
 216                 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 217                         ecmd->autoneg = AUTONEG_DISABLE;
 218                         ecmd->supported |= (SUPPORTED_FIBRE | SUPPORTED_TP);
 219                         ecmd->advertising |=
 220                                 (ADVERTISED_FIBRE | ADVERTISED_TP);
 221                         ecmd->port = PORT_FIBRE;
 222                         check_sfp_module = netif_running(dev) &&
 223                                 adapter->has_link_events;
 224                 } else {
 225                         ecmd->autoneg = AUTONEG_ENABLE;
 226                         ecmd->supported |= (SUPPORTED_TP |SUPPORTED_Autoneg);
 227                         ecmd->advertising |=
 228                                 (ADVERTISED_TP | ADVERTISED_Autoneg);
 229                         ecmd->port = PORT_TP;
 230                 }
 231                 break;
 232         default:
 233                 printk(KERN_ERR "netxen-nic: Unsupported board model %d\n",
 234                                 adapter->ahw.board_type);
 235                 return -EIO;
 236         }
 237
 238         if (check_sfp_module) {
 239                 switch (adapter->module_type) {
 240                 case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
 241                 case LINKEVENT_MODULE_OPTICAL_SRLR:
 242                 case LINKEVENT_MODULE_OPTICAL_LRM:
 243                 case LINKEVENT_MODULE_OPTICAL_SFP_1G:
 244                         ecmd->port = PORT_FIBRE;
 245                         break;
 246                 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
 247                 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
 248                 case LINKEVENT_MODULE_TWINAX:
 249                         ecmd->port = PORT_TP;
 250                         break;
 251                 default:
 252                         ecmd->port = -1;
 253                 }
 254         }
 255
 256         return 0;
 257 }
 258
 259 static int
 260 netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 261 {
 262         struct netxen_adapter *adapter = netdev_priv(dev);
 263         __u32 status;
 264
 265         /* read which mode */
 266         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 267                 /* autonegotiation */
 268                 if (adapter->phy_write
 269                     && adapter->phy_write(adapter,
 270                                           NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
 271                                           ecmd->autoneg) != 0)
 272                         return -EIO;
 273                 else
 274                         adapter->link_autoneg = ecmd->autoneg;
 275
 276                 if (adapter->phy_read
 277                     && adapter->phy_read(adapter,
 278                                          NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
 279                                          &status) != 0)
 280                         return -EIO;
 281
 282                 /* speed */
 283                 switch (ecmd->speed) {
 284                 case SPEED_10:
 285                         netxen_set_phy_speed(status, 0);
 286                         break;
 287                 case SPEED_100:
 288                         netxen_set_phy_speed(status, 1);
 289                         break;
 290                 case SPEED_1000:
 291                         netxen_set_phy_speed(status, 2);
 292                         break;
 293                 }
 294                 /* set duplex mode */
 295                 if (ecmd->duplex == DUPLEX_HALF)
 296                         netxen_clear_phy_duplex(status);
 297                 if (ecmd->duplex == DUPLEX_FULL)
 298                         netxen_set_phy_duplex(status);
 299                 if (adapter->phy_write
 300                     && adapter->phy_write(adapter,
 301                                           NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
 302                                           *((int *)&status)) != 0)
 303                         return -EIO;
 304                 else {
 305                         adapter->link_speed = ecmd->speed;
 306                         adapter->link_duplex = ecmd->duplex;
 307                 }
 308         } else
 309                 return -EOPNOTSUPP;
 310
 311         if (!netif_running(dev))
 312                 return 0;
 313
 314         dev->netdev_ops->ndo_stop(dev);
 315         return dev->netdev_ops->ndo_open(dev);
 316 }
 317
 318 static int netxen_nic_get_regs_len(struct net_device *dev)
 319 {
 320         return NETXEN_NIC_REGS_LEN;
 321 }
 322
 323 struct netxen_niu_regs {
 324         __u32 reg[NETXEN_NIC_REGS_COUNT];
 325 };
 326
 327 static struct netxen_niu_regs niu_registers[] = {
 328         {
 329          /* GB Mode */
 330          {
 331           NETXEN_NIU_GB_SERDES_RESET,
 332           NETXEN_NIU_GB0_MII_MODE,
 333           NETXEN_NIU_GB1_MII_MODE,
 334           NETXEN_NIU_GB2_MII_MODE,
 335           NETXEN_NIU_GB3_MII_MODE,
 336           NETXEN_NIU_GB0_GMII_MODE,
 337           NETXEN_NIU_GB1_GMII_MODE,
 338           NETXEN_NIU_GB2_GMII_MODE,
 339           NETXEN_NIU_GB3_GMII_MODE,
 340           NETXEN_NIU_REMOTE_LOOPBACK,
 341           NETXEN_NIU_GB0_HALF_DUPLEX,
 342           NETXEN_NIU_GB1_HALF_DUPLEX,
 343           NETXEN_NIU_RESET_SYS_FIFOS,
 344           NETXEN_NIU_GB_CRC_DROP,
 345           NETXEN_NIU_GB_DROP_WRONGADDR,
 346           NETXEN_NIU_TEST_MUX_CTL,
 347
 348           NETXEN_NIU_GB_MAC_CONFIG_0(0),
 349           NETXEN_NIU_GB_MAC_CONFIG_1(0),
 350           NETXEN_NIU_GB_HALF_DUPLEX_CTRL(0),
 351           NETXEN_NIU_GB_MAX_FRAME_SIZE(0),
 352           NETXEN_NIU_GB_TEST_REG(0),
 353           NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
 354           NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
 355           NETXEN_NIU_GB_MII_MGMT_ADDR(0),
 356           NETXEN_NIU_GB_MII_MGMT_CTRL(0),
 357           NETXEN_NIU_GB_MII_MGMT_STATUS(0),
 358           NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
 359           NETXEN_NIU_GB_INTERFACE_CTRL(0),
 360           NETXEN_NIU_GB_INTERFACE_STATUS(0),
 361           NETXEN_NIU_GB_STATION_ADDR_0(0),
 362           NETXEN_NIU_GB_STATION_ADDR_1(0),
 363           -1,
 364           }
 365          },
 366         {
 367          /* XG Mode */
 368          {
 369           NETXEN_NIU_XG_SINGLE_TERM,
 370           NETXEN_NIU_XG_DRIVE_HI,
 371           NETXEN_NIU_XG_DRIVE_LO,
 372           NETXEN_NIU_XG_DTX,
 373           NETXEN_NIU_XG_DEQ,
 374           NETXEN_NIU_XG_WORD_ALIGN,
 375           NETXEN_NIU_XG_RESET,
 376           NETXEN_NIU_XG_POWER_DOWN,
 377           NETXEN_NIU_XG_RESET_PLL,
 378           NETXEN_NIU_XG_SERDES_LOOPBACK,
 379           NETXEN_NIU_XG_DO_BYTE_ALIGN,
 380           NETXEN_NIU_XG_TX_ENABLE,
 381           NETXEN_NIU_XG_RX_ENABLE,
 382           NETXEN_NIU_XG_STATUS,
 383           NETXEN_NIU_XG_PAUSE_THRESHOLD,
 384           NETXEN_NIU_XGE_CONFIG_0,
 385           NETXEN_NIU_XGE_CONFIG_1,
 386           NETXEN_NIU_XGE_IPG,
 387           NETXEN_NIU_XGE_STATION_ADDR_0_HI,
 388           NETXEN_NIU_XGE_STATION_ADDR_0_1,
 389           NETXEN_NIU_XGE_STATION_ADDR_1_LO,
 390           NETXEN_NIU_XGE_STATUS,
 391           NETXEN_NIU_XGE_MAX_FRAME_SIZE,
 392           NETXEN_NIU_XGE_PAUSE_FRAME_VALUE,
 393           NETXEN_NIU_XGE_TX_BYTE_CNT,
 394           NETXEN_NIU_XGE_TX_FRAME_CNT,
 395           NETXEN_NIU_XGE_RX_BYTE_CNT,
 396           NETXEN_NIU_XGE_RX_FRAME_CNT,
 397           NETXEN_NIU_XGE_AGGR_ERROR_CNT,
 398           NETXEN_NIU_XGE_MULTICAST_FRAME_CNT,
 399           NETXEN_NIU_XGE_UNICAST_FRAME_CNT,
 400           NETXEN_NIU_XGE_CRC_ERROR_CNT,
 401           NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
 402           NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
 403           NETXEN_NIU_XGE_LOCAL_ERROR_CNT,
 404           NETXEN_NIU_XGE_REMOTE_ERROR_CNT,
 405           NETXEN_NIU_XGE_CONTROL_CHAR_CNT,
 406           NETXEN_NIU_XGE_PAUSE_FRAME_CNT,
 407           -1,
 408           }
 409          }
 410 };
 411
 412 static void
 413 netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
 414 {
 415         struct netxen_adapter *adapter = netdev_priv(dev);
 416         __u32 mode, *regs_buff = p;
 417         int i, window;
 418
 419         memset(p, 0, NETXEN_NIC_REGS_LEN);
 420         regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
 421             (adapter->pdev)->device;
 422         /* which mode */
 423         regs_buff[0] = NXRD32(adapter, NETXEN_NIU_MODE);
 424         mode = regs_buff[0];
 425
 426         /* Common registers to all the modes */
 427         regs_buff[2] = NXRD32(adapter, NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER);
 428         /* GB/XGB Mode */
 429         mode = (mode / 2) - 1;
 430         window = 0;
 431         if (mode <= 1) {
 432                 for (i = 3; niu_registers[mode].reg[i - 3] != -1; i++) {
 433                         /* GB: port specific registers */
 434                         if (mode == 0 && i >= 19)
 435                                 window = adapter->physical_port *
 436                                         NETXEN_NIC_PORT_WINDOW;
 437
 438                         regs_buff[i] = NXRD32(adapter,
 439                                 niu_registers[mode].reg[i - 3] + window);
 440                 }
 441
 442         }
 443 }
 444
 445 static u32 netxen_nic_test_link(struct net_device *dev)
 446 {
 447         struct netxen_adapter *adapter = netdev_priv(dev);
 448         __u32 status;
 449         int val;
 450
 451         /* read which mode */
 452         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 453                 if (adapter->phy_read
 454                     && adapter->phy_read(adapter,
 455                                          NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
 456                                          &status) != 0)
 457                         return -EIO;
 458                 else {
 459                         val = netxen_get_phy_link(status);
 460                         return !val;
 461                 }
 462         } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 463                 val = NXRD32(adapter, CRB_XG_STATE);
 464                 return (val == XG_LINK_UP) ? 0 : 1;
 465         }
 466         return -EIO;
 467 }
 468
 469 static int
 470 netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 471                       u8 * bytes)
 472 {
 473         struct netxen_adapter *adapter = netdev_priv(dev);
 474         int offset;
 475         int ret;
 476
 477         if (eeprom->len == 0)
 478                 return -EINVAL;
 479
 480         eeprom->magic = (adapter->pdev)->vendor |
 481                         ((adapter->pdev)->device << 16);
 482         offset = eeprom->offset;
 483
 484         ret = netxen_rom_fast_read_words(adapter, offset, bytes,
 485                                                 eeprom->len);
 486         if (ret < 0)
 487                 return ret;
 488
 489         return 0;
 490 }
 491
 492 static void
 493 netxen_nic_get_ringparam(struct net_device *dev,
 494                 struct ethtool_ringparam *ring)
 495 {
 496         struct netxen_adapter *adapter = netdev_priv(dev);
 497
 498         ring->rx_pending = adapter->num_rxd;
 499         ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
 500         ring->rx_jumbo_pending += adapter->num_lro_rxd;
 501         ring->tx_pending = adapter->num_txd;
 502
 503         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 504                 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
 505                 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_1G;
 506         } else {
 507                 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G;
 508                 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 509         }
 510
 511         ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
 512
 513         ring->rx_mini_max_pending = 0;
 514         ring->rx_mini_pending = 0;
 515 }
 516
 517 static u32
 518 netxen_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
 519 {
 520         u32 num_desc;
 521         num_desc = max(val, min);
 522         num_desc = min(num_desc, max);
 523         num_desc = roundup_pow_of_two(num_desc);
 524
 525         if (val != num_desc) {
 526                 printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
 527                        netxen_nic_driver_name, r_name, num_desc, val);
 528         }
 529
 530         return num_desc;
 531 }
 532
 533 static int
 534 netxen_nic_set_ringparam(struct net_device *dev,
 535                 struct ethtool_ringparam *ring)
 536 {
 537         struct netxen_adapter *adapter = netdev_priv(dev);
 538         u16 max_rcv_desc = MAX_RCV_DESCRIPTORS_10G;
 539         u16 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 540         u16 num_rxd, num_jumbo_rxd, num_txd;
 541
 542         if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 543                 return -EOPNOTSUPP;
 544
 545         if (ring->rx_mini_pending)
 546                 return -EOPNOTSUPP;
 547
 548         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 549                 max_rcv_desc = MAX_RCV_DESCRIPTORS_1G;
 550                 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
 551         }
 552
 553         num_rxd = netxen_validate_ringparam(ring->rx_pending,
 554                         MIN_RCV_DESCRIPTORS, max_rcv_desc, "rx");
 555
 556         num_jumbo_rxd = netxen_validate_ringparam(ring->rx_jumbo_pending,
 557                         MIN_JUMBO_DESCRIPTORS, max_jumbo_desc, "rx jumbo");
 558
 559         num_txd = netxen_validate_ringparam(ring->tx_pending,
 560                         MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");
 561
 562         if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
 563                         num_jumbo_rxd == adapter->num_jumbo_rxd)
 564                 return 0;
 565
 566         adapter->num_rxd = num_rxd;
 567         adapter->num_jumbo_rxd = num_jumbo_rxd;
 568         adapter->num_txd = num_txd;
 569
 570         return netxen_nic_reset_context(adapter);
 571 }
 572
 573 static void
 574 netxen_nic_get_pauseparam(struct net_device *dev,
 575                           struct ethtool_pauseparam *pause)
 576 {
 577         struct netxen_adapter *adapter = netdev_priv(dev);
 578         __u32 val;
 579         int port = adapter->physical_port;
 580
 581         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 582                 if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
 583                         return;
 584                 /* get flow control settings */
 585                 val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
 586                 pause->rx_pause = netxen_gb_get_rx_flowctl(val);
 587                 val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
 588                 switch (port) {
 589                         case 0:
 590                                 pause->tx_pause = !(netxen_gb_get_gb0_mask(val));
 591                                 break;
 592                         case 1:
 593                                 pause->tx_pause = !(netxen_gb_get_gb1_mask(val));
 594                                 break;
 595                         case 2:
 596                                 pause->tx_pause = !(netxen_gb_get_gb2_mask(val));
 597                                 break;
 598                         case 3:
 599                         default:
 600                                 pause->tx_pause = !(netxen_gb_get_gb3_mask(val));
 601                                 break;
 602                 }
 603         } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 604                 if ((port < 0) || (port > NETXEN_NIU_MAX_XG_PORTS))
 605                         return;
 606                 pause->rx_pause = 1;
 607                 val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
 608                 if (port == 0)
 609                         pause->tx_pause = !(netxen_xg_get_xg0_mask(val));
 610                 else
 611                         pause->tx_pause = !(netxen_xg_get_xg1_mask(val));
 612         } else {
 613                 printk(KERN_ERR"%s: Unknown board type: %x\n",
 614                                 netxen_nic_driver_name, adapter->ahw.port_type);
 615         }
 616 }
 617
 618 static int
 619 netxen_nic_set_pauseparam(struct net_device *dev,
 620                           struct ethtool_pauseparam *pause)
 621 {
 622         struct netxen_adapter *adapter = netdev_priv(dev);
 623         __u32 val;
 624         int port = adapter->physical_port;
 625         /* read mode */
 626         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 627                 if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
 628                         return -EIO;
 629                 /* set flow control */
 630                 val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
 631
 632                 if (pause->rx_pause)
 633                         netxen_gb_rx_flowctl(val);
 634                 else
 635                         netxen_gb_unset_rx_flowctl(val);
 636
 637                 NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
 638                                 val);
 639                 /* set autoneg */
 640                 val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
 641                 switch (port) {
 642                         case 0:
 643                                 if (pause->tx_pause)
 644                                         netxen_gb_unset_gb0_mask(val);
 645                                 else
 646                                         netxen_gb_set_gb0_mask(val);
 647                                 break;
 648                         case 1:
 649                                 if (pause->tx_pause)
 650                                         netxen_gb_unset_gb1_mask(val);
 651                                 else
 652                                         netxen_gb_set_gb1_mask(val);
 653                                 break;
 654                         case 2:
 655                                 if (pause->tx_pause)
 656                                         netxen_gb_unset_gb2_mask(val);
 657                                 else
 658                                         netxen_gb_set_gb2_mask(val);
 659                                 break;
 660                         case 3:
 661                         default:
 662                                 if (pause->tx_pause)
 663                                         netxen_gb_unset_gb3_mask(val);
 664                                 else
 665                                         netxen_gb_set_gb3_mask(val);
 666                                 break;
 667                 }
 668                 NXWR32(adapter, NETXEN_NIU_GB_PAUSE_CTL, val);
 669         } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
 670                 if ((port < 0) || (port > NETXEN_NIU_MAX_XG_PORTS))
 671                         return -EIO;
 672                 val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
 673                 if (port == 0) {
 674                         if (pause->tx_pause)
 675                                 netxen_xg_unset_xg0_mask(val);
 676                         else
 677                                 netxen_xg_set_xg0_mask(val);
 678                 } else {
 679                         if (pause->tx_pause)
 680                                 netxen_xg_unset_xg1_mask(val);
 681                         else
 682                                 netxen_xg_set_xg1_mask(val);
 683                 }
 684                 NXWR32(adapter, NETXEN_NIU_XG_PAUSE_CTL, val);
 685         } else {
 686                 printk(KERN_ERR "%s: Unknown board type: %x\n",
 687                                 netxen_nic_driver_name,
 688                                 adapter->ahw.port_type);
 689         }
 690         return 0;
 691 }
 692
 693 static int netxen_nic_reg_test(struct net_device *dev)
 694 {
 695         struct netxen_adapter *adapter = netdev_priv(dev);
 696         u32 data_read, data_written;
 697
 698         data_read = NXRD32(adapter, NETXEN_PCIX_PH_REG(0));
 699         if ((data_read & 0xffff) != PHAN_VENDOR_ID)
 700         return 1;
 701
 702         data_written = (u32)0xa5a5a5a5;
 703
 704         NXWR32(adapter, CRB_SCRATCHPAD_TEST, data_written);
 705         data_read = NXRD32(adapter, CRB_SCRATCHPAD_TEST);
 706         if (data_written != data_read)
 707                 return 1;
 708
 709         return 0;
 710 }
 711
 712 static int netxen_get_sset_count(struct net_device *dev, int sset)
 713 {
 714         switch (sset) {
 715         case ETH_SS_TEST:
 716                 return NETXEN_NIC_TEST_LEN;
 717         case ETH_SS_STATS:
 718                 return NETXEN_NIC_STATS_LEN;
 719         default:
 720                 return -EOPNOTSUPP;
 721         }
 722 }
 723
 724 static void
 725 netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
 726                      u64 * data)
 727 {
 728         memset(data, 0, sizeof(uint64_t) * NETXEN_NIC_TEST_LEN);
 729         if ((data[0] = netxen_nic_reg_test(dev)))
 730                 eth_test->flags |= ETH_TEST_FL_FAILED;
 731         /* link test */
 732         if ((data[1] = (u64) netxen_nic_test_link(dev)))
 733                 eth_test->flags |= ETH_TEST_FL_FAILED;
 734 }
 735
 736 static void
 737 netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 * data)
 738 {
 739         int index;
 740
 741         switch (stringset) {
 742         case ETH_SS_TEST:
 743                 memcpy(data, *netxen_nic_gstrings_test,
 744                        NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
 745                 break;
 746         case ETH_SS_STATS:
 747                 for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
 748                         memcpy(data + index * ETH_GSTRING_LEN,
 749                                netxen_nic_gstrings_stats[index].stat_string,
 750                                ETH_GSTRING_LEN);
 751                 }
 752                 break;
 753         }
 754 }
 755
 756 static void
 757 netxen_nic_get_ethtool_stats(struct net_device *dev,
 758                              struct ethtool_stats *stats, u64 * data)
 759 {
 760         struct netxen_adapter *adapter = netdev_priv(dev);
 761         int index;
 762
 763         for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
 764                 char *p =
 765                     (char *)adapter +
 766                     netxen_nic_gstrings_stats[index].stat_offset;
 767                 data[index] =
 768                     (netxen_nic_gstrings_stats[index].sizeof_stat ==
 769                      sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
 770         }
 771 }
 772
 773 static u32 netxen_nic_get_rx_csum(struct net_device *dev)
 774 {
 775         struct netxen_adapter *adapter = netdev_priv(dev);
 776         return adapter->rx_csum;
 777 }
 778
 779 static int netxen_nic_set_rx_csum(struct net_device *dev, u32 data)
 780 {
 781         struct netxen_adapter *adapter = netdev_priv(dev);
 782         adapter->rx_csum = !!data;
 783         return 0;
 784 }
 785
 786 static u32 netxen_nic_get_tso(struct net_device *dev)
 787 {
 788         struct netxen_adapter *adapter = netdev_priv(dev);
 789
 790         if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 791                 return (dev->features & (NETIF_F_TSO | NETIF_F_TSO6)) != 0;
 792
 793         return (dev->features & NETIF_F_TSO) != 0;
 794 }
 795
 796 static int netxen_nic_set_tso(struct net_device *dev, u32 data)
 797 {
 798         if (data) {
 799                 struct netxen_adapter *adapter = netdev_priv(dev);
 800
 801                 dev->features |= NETIF_F_TSO;
 802                 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 803                         dev->features |= NETIF_F_TSO6;
 804         } else
 805                 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
 806
 807         return 0;
 808 }
 809
 810 static void
 811 netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 812 {
 813         struct netxen_adapter *adapter = netdev_priv(dev);
 814         u32 wol_cfg = 0;
 815
 816         wol->supported = 0;
 817         wol->wolopts = 0;
 818
 819         if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 820                 return;
 821
 822         wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
 823         if (wol_cfg & (1UL << adapter->portnum))
 824                 wol->supported |= WAKE_MAGIC;
 825
 826         wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
 827         if (wol_cfg & (1UL << adapter->portnum))
 828                 wol->wolopts |= WAKE_MAGIC;
 829 }
 830
 831 static int
 832 netxen_nic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 833 {
 834         struct netxen_adapter *adapter = netdev_priv(dev);
 835         u32 wol_cfg = 0;
 836
 837         if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 838                 return -EOPNOTSUPP;
 839
 840         if (wol->wolopts & ~WAKE_MAGIC)
 841                 return -EOPNOTSUPP;
 842
 843         wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
 844         if (!(wol_cfg & (1 << adapter->portnum)))
 845                 return -EOPNOTSUPP;
 846
 847         wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
 848         if (wol->wolopts & WAKE_MAGIC)
 849                 wol_cfg |= 1UL << adapter->portnum;
 850         else
 851                 wol_cfg &= ~(1UL << adapter->portnum);
 852         NXWR32(adapter, NETXEN_WOL_CONFIG, wol_cfg);
 853
 854         return 0;
 855 }
 856
 857 /*
 858  * Set the coalescing parameters. Currently only normal is supported.
 859  * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
 860  * firmware coalescing to default.
 861  */
 862 static int netxen_set_intr_coalesce(struct net_device *netdev,
 863                         struct ethtool_coalesce *ethcoal)
 864 {
 865         struct netxen_adapter *adapter = netdev_priv(netdev);
 866
 867         if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
 868                 return -EINVAL;
 869
 870         if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
 871                 return -EINVAL;
 872
 873         /*
 874         * Return Error if unsupported values or
 875         * unsupported parameters are set.
 876         */
 877         if (ethcoal->rx_coalesce_usecs > 0xffff ||
 878                 ethcoal->rx_max_coalesced_frames > 0xffff ||
 879                 ethcoal->tx_coalesce_usecs > 0xffff ||
 880                 ethcoal->tx_max_coalesced_frames > 0xffff ||
 881                 ethcoal->rx_coalesce_usecs_irq ||
 882                 ethcoal->rx_max_coalesced_frames_irq ||
 883                 ethcoal->tx_coalesce_usecs_irq ||
 884                 ethcoal->tx_max_coalesced_frames_irq ||
 885                 ethcoal->stats_block_coalesce_usecs ||
 886                 ethcoal->use_adaptive_rx_coalesce ||
 887                 ethcoal->use_adaptive_tx_coalesce ||
 888                 ethcoal->pkt_rate_low ||
 889                 ethcoal->rx_coalesce_usecs_low ||
 890                 ethcoal->rx_max_coalesced_frames_low ||
 891                 ethcoal->tx_coalesce_usecs_low ||
 892                 ethcoal->tx_max_coalesced_frames_low ||
 893                 ethcoal->pkt_rate_high ||
 894                 ethcoal->rx_coalesce_usecs_high ||
 895                 ethcoal->rx_max_coalesced_frames_high ||
 896                 ethcoal->tx_coalesce_usecs_high ||
 897                 ethcoal->tx_max_coalesced_frames_high)
 898                 return -EINVAL;
 899
 900         if (!ethcoal->rx_coalesce_usecs ||
 901                 !ethcoal->rx_max_coalesced_frames) {
 902                 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
 903                 adapter->coal.normal.data.rx_time_us =
 904                         NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
 905                 adapter->coal.normal.data.rx_packets =
 906                         NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
 907         } else {
 908                 adapter->coal.flags = 0;
 909                 adapter->coal.normal.data.rx_time_us =
 910                 ethcoal->rx_coalesce_usecs;
 911                 adapter->coal.normal.data.rx_packets =
 912                 ethcoal->rx_max_coalesced_frames;
 913         }
 914         adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
 915         adapter->coal.normal.data.tx_packets =
 916         ethcoal->tx_max_coalesced_frames;
 917
 918         netxen_config_intr_coalesce(adapter);
 919
 920         return 0;
 921 }
 922
 923 static int netxen_get_intr_coalesce(struct net_device *netdev,
 924                         struct ethtool_coalesce *ethcoal)
 925 {
 926         struct netxen_adapter *adapter = netdev_priv(netdev);
 927
 928         if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
 929                 return -EINVAL;
 930
 931         if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
 932                 return -EINVAL;
 933
 934         ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
 935         ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
 936         ethcoal->rx_max_coalesced_frames =
 937                 adapter->coal.normal.data.rx_packets;
 938         ethcoal->tx_max_coalesced_frames =
 939                 adapter->coal.normal.data.tx_packets;
 940
 941         return 0;
 942 }
 943
 944 static int netxen_nic_set_flags(struct net_device *netdev, u32 data)
 945 {
 946         struct netxen_adapter *adapter = netdev_priv(netdev);
 947         int hw_lro;
 948
 949         if (!(adapter->capabilities & NX_FW_CAPABILITY_HW_LRO))
 950                 return -EINVAL;
 951
 952         ethtool_op_set_flags(netdev, data);
 953
 954         hw_lro = (data & ETH_FLAG_LRO) ? NETXEN_NIC_LRO_ENABLED : 0;
 955
 956         if (netxen_config_hw_lro(adapter, hw_lro))
 957                 return -EIO;
 958
 959         if ((hw_lro == 0) && netxen_send_lro_cleanup(adapter))
 960                 return -EIO;
 961
 962
 963         return 0;
 964 }
 965
 966 const struct ethtool_ops netxen_nic_ethtool_ops = {
 967         .get_settings = netxen_nic_get_settings,
 968         .set_settings = netxen_nic_set_settings,
 969         .get_drvinfo = netxen_nic_get_drvinfo,
 970         .get_regs_len = netxen_nic_get_regs_len,
 971         .get_regs = netxen_nic_get_regs,
 972         .get_link = ethtool_op_get_link,
 973         .get_eeprom_len = netxen_nic_get_eeprom_len,
 974         .get_eeprom = netxen_nic_get_eeprom,
 975         .get_ringparam = netxen_nic_get_ringparam,
 976         .set_ringparam = netxen_nic_set_ringparam,
 977         .get_pauseparam = netxen_nic_get_pauseparam,
 978         .set_pauseparam = netxen_nic_set_pauseparam,
 979         .set_tx_csum = ethtool_op_set_tx_csum,
 980         .set_sg = ethtool_op_set_sg,
 981         .get_tso = netxen_nic_get_tso,
 982         .set_tso = netxen_nic_set_tso,
 983         .get_wol = netxen_nic_get_wol,
 984         .set_wol = netxen_nic_set_wol,
 985         .self_test = netxen_nic_diag_test,
 986         .get_strings = netxen_nic_get_strings,
 987         .get_ethtool_stats = netxen_nic_get_ethtool_stats,
 988         .get_sset_count = netxen_get_sset_count,
 989         .get_rx_csum = netxen_nic_get_rx_csum,
 990         .set_rx_csum = netxen_nic_set_rx_csum,
 991         .get_coalesce = netxen_get_intr_coalesce,
 992         .set_coalesce = netxen_set_intr_coalesce,
 993         .get_flags = ethtool_op_get_flags,
 994         .set_flags = netxen_nic_set_flags,
 995 };