drivers/net/e1000/e1000_param.c

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2006 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 #include "e1000.h"
  30
  31 /* This is the only thing that needs to be changed to adjust the
  32  * maximum number of ports that the driver can manage.
  33  */
  34
  35 #define E1000_MAX_NIC 32
  36
  37 #define OPTION_UNSET   -1
  38 #define OPTION_DISABLED 0
  39 #define OPTION_ENABLED  1
  40
  41 /* All parameters are treated the same, as an integer array of values.
  42  * This macro just reduces the need to repeat the same declaration code
  43  * over and over (plus this helps to avoid typo bugs).
  44  */
  45
  46 #define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
  47 #define E1000_PARAM(X, desc) \
  48         static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
  49         static int num_##X = 0; \
  50         module_param_array_named(X, X, int, &num_##X, 0); \
  51         MODULE_PARM_DESC(X, desc);
  52
  53 /* Transmit Descriptor Count
  54  *
  55  * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
  56  * Valid Range: 80-4096 for 82544 and newer
  57  *
  58  * Default Value: 256
  59  */
  60 E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
  61
  62 /* Receive Descriptor Count
  63  *
  64  * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
  65  * Valid Range: 80-4096 for 82544 and newer
  66  *
  67  * Default Value: 256
  68  */
  69 E1000_PARAM(RxDescriptors, "Number of receive descriptors");
  70
  71 /* User Specified Speed Override
  72  *
  73  * Valid Range: 0, 10, 100, 1000
  74  *  - 0    - auto-negotiate at all supported speeds
  75  *  - 10   - only link at 10 Mbps
  76  *  - 100  - only link at 100 Mbps
  77  *  - 1000 - only link at 1000 Mbps
  78  *
  79  * Default Value: 0
  80  */
  81 E1000_PARAM(Speed, "Speed setting");
  82
  83 /* User Specified Duplex Override
  84  *
  85  * Valid Range: 0-2
  86  *  - 0 - auto-negotiate for duplex
  87  *  - 1 - only link at half duplex
  88  *  - 2 - only link at full duplex
  89  *
  90  * Default Value: 0
  91  */
  92 E1000_PARAM(Duplex, "Duplex setting");
  93
  94 /* Auto-negotiation Advertisement Override
  95  *
  96  * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
  97  *
  98  * The AutoNeg value is a bit mask describing which speed and duplex
  99  * combinations should be advertised during auto-negotiation.
 100  * The supported speed and duplex modes are listed below
 101  *
 102  * Bit           7     6     5      4      3     2     1      0
 103  * Speed (Mbps)  N/A   N/A   1000   N/A    100   100   10     10
 104  * Duplex                    Full          Full  Half  Full   Half
 105  *
 106  * Default Value: 0x2F (copper); 0x20 (fiber)
 107  */
 108 E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
 109 #define AUTONEG_ADV_DEFAULT  0x2F
 110 #define AUTONEG_ADV_MASK     0x2F
 111
 112 /* User Specified Flow Control Override
 113  *
 114  * Valid Range: 0-3
 115  *  - 0 - No Flow Control
 116  *  - 1 - Rx only, respond to PAUSE frames but do not generate them
 117  *  - 2 - Tx only, generate PAUSE frames but ignore them on receive
 118  *  - 3 - Full Flow Control Support
 119  *
 120  * Default Value: Read flow control settings from the EEPROM
 121  */
 122 E1000_PARAM(FlowControl, "Flow Control setting");
 123 #define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
 124
 125 /* XsumRX - Receive Checksum Offload Enable/Disable
 126  *
 127  * Valid Range: 0, 1
 128  *  - 0 - disables all checksum offload
 129  *  - 1 - enables receive IP/TCP/UDP checksum offload
 130  *        on 82543 and newer -based NICs
 131  *
 132  * Default Value: 1
 133  */
 134 E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
 135
 136 /* Transmit Interrupt Delay in units of 1.024 microseconds
 137  *  Tx interrupt delay needs to typically be set to something non zero
 138  *
 139  * Valid Range: 0-65535
 140  */
 141 E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
 142 #define DEFAULT_TIDV                   8
 143 #define MAX_TXDELAY               0xFFFF
 144 #define MIN_TXDELAY                    0
 145
 146 /* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
 147  *
 148  * Valid Range: 0-65535
 149  */
 150 E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
 151 #define DEFAULT_TADV                  32
 152 #define MAX_TXABSDELAY            0xFFFF
 153 #define MIN_TXABSDELAY                 0
 154
 155 /* Receive Interrupt Delay in units of 1.024 microseconds
 156  *   hardware will likely hang if you set this to anything but zero.
 157  *
 158  * Valid Range: 0-65535
 159  */
 160 E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
 161 #define DEFAULT_RDTR                   0
 162 #define MAX_RXDELAY               0xFFFF
 163 #define MIN_RXDELAY                    0
 164
 165 /* Receive Absolute Interrupt Delay in units of 1.024 microseconds
 166  *
 167  * Valid Range: 0-65535
 168  */
 169 E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
 170 #define DEFAULT_RADV                   8
 171 #define MAX_RXABSDELAY            0xFFFF
 172 #define MIN_RXABSDELAY                 0
 173
 174 /* Interrupt Throttle Rate (interrupts/sec)
 175  *
 176  * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
 177  */
 178 E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
 179 #define DEFAULT_ITR                    3
 180 #define MAX_ITR                   100000
 181 #define MIN_ITR                      100
 182
 183 /* Enable Smart Power Down of the PHY
 184  *
 185  * Valid Range: 0, 1
 186  *
 187  * Default Value: 0 (disabled)
 188  */
 189 E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
 190
 191 /* Enable Kumeran Lock Loss workaround
 192  *
 193  * Valid Range: 0, 1
 194  *
 195  * Default Value: 1 (enabled)
 196  */
 197 E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
 198
 199 struct e1000_option {
 200         enum { enable_option, range_option, list_option } type;
 201         char *name;
 202         char *err;
 203         int  def;
 204         union {
 205                 struct { /* range_option info */
 206                         int min;
 207                         int max;
 208                 } r;
 209                 struct { /* list_option info */
 210                         int nr;
 211                         struct e1000_opt_list { int i; char *str; } *p;
 212                 } l;
 213         } arg;
 214 };
 215
 216 static int __devinit
 217 e1000_validate_option(int *value, struct e1000_option *opt,
 218                 struct e1000_adapter *adapter)
 219 {
 220         if (*value == OPTION_UNSET) {
 221                 *value = opt->def;
 222                 return 0;
 223         }
 224
 225         switch (opt->type) {
 226         case enable_option:
 227                 switch (*value) {
 228                 case OPTION_ENABLED:
 229                         DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
 230                         return 0;
 231                 case OPTION_DISABLED:
 232                         DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
 233                         return 0;
 234                 }
 235                 break;
 236         case range_option:
 237                 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
 238                         DPRINTK(PROBE, INFO,
 239                                         "%s set to %i\n", opt->name, *value);
 240                         return 0;
 241                 }
 242                 break;
 243         case list_option: {
 244                 int i;
 245                 struct e1000_opt_list *ent;
 246
 247                 for (i = 0; i < opt->arg.l.nr; i++) {
 248                         ent = &opt->arg.l.p[i];
 249                         if (*value == ent->i) {
 250                                 if (ent->str[0] != '\0')
 251                                         DPRINTK(PROBE, INFO, "%s\n", ent->str);
 252                                 return 0;
 253                         }
 254                 }
 255         }
 256                 break;
 257         default:
 258                 BUG();
 259         }
 260
 261         DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
 262                opt->name, *value, opt->err);
 263         *value = opt->def;
 264         return -1;
 265 }
 266
 267 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
 268 static void e1000_check_copper_options(struct e1000_adapter *adapter);
 269
 270 /**
 271  * e1000_check_options - Range Checking for Command Line Parameters
 272  * @adapter: board private structure
 273  *
 274  * This routine checks all command line parameters for valid user
 275  * input.  If an invalid value is given, or if no user specified
 276  * value exists, a default value is used.  The final value is stored
 277  * in a variable in the adapter structure.
 278  **/
 279
 280 void __devinit
 281 e1000_check_options(struct e1000_adapter *adapter)
 282 {
 283         int bd = adapter->bd_number;
 284         if (bd >= E1000_MAX_NIC) {
 285                 DPRINTK(PROBE, NOTICE,
 286                        "Warning: no configuration for board #%i\n", bd);
 287                 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
 288         }
 289
 290         { /* Transmit Descriptor Count */
 291                 struct e1000_option opt = {
 292                         .type = range_option,
 293                         .name = "Transmit Descriptors",
 294                         .err  = "using default of "
 295                                 __MODULE_STRING(E1000_DEFAULT_TXD),
 296                         .def  = E1000_DEFAULT_TXD,
 297                         .arg  = { .r = { .min = E1000_MIN_TXD }}
 298                 };
 299                 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
 300                 int i;
 301                 e1000_mac_type mac_type = adapter->hw.mac_type;
 302                 opt.arg.r.max = mac_type < e1000_82544 ?
 303                         E1000_MAX_TXD : E1000_MAX_82544_TXD;
 304
 305                 if (num_TxDescriptors > bd) {
 306                         tx_ring->count = TxDescriptors[bd];
 307                         e1000_validate_option(&tx_ring->count, &opt, adapter);
 308                         E1000_ROUNDUP(tx_ring->count,
 309                                                 REQ_TX_DESCRIPTOR_MULTIPLE);
 310                 } else {
 311                         tx_ring->count = opt.def;
 312                 }
 313                 for (i = 0; i < adapter->num_tx_queues; i++)
 314                         tx_ring[i].count = tx_ring->count;
 315         }
 316         { /* Receive Descriptor Count */
 317                 struct e1000_option opt = {
 318                         .type = range_option,
 319                         .name = "Receive Descriptors",
 320                         .err  = "using default of "
 321                                 __MODULE_STRING(E1000_DEFAULT_RXD),
 322                         .def  = E1000_DEFAULT_RXD,
 323                         .arg  = { .r = { .min = E1000_MIN_RXD }}
 324                 };
 325                 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
 326                 int i;
 327                 e1000_mac_type mac_type = adapter->hw.mac_type;
 328                 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
 329                         E1000_MAX_82544_RXD;
 330
 331                 if (num_RxDescriptors > bd) {
 332                         rx_ring->count = RxDescriptors[bd];
 333                         e1000_validate_option(&rx_ring->count, &opt, adapter);
 334                         E1000_ROUNDUP(rx_ring->count,
 335                                                 REQ_RX_DESCRIPTOR_MULTIPLE);
 336                 } else {
 337                         rx_ring->count = opt.def;
 338                 }
 339                 for (i = 0; i < adapter->num_rx_queues; i++)
 340                         rx_ring[i].count = rx_ring->count;
 341         }
 342         { /* Checksum Offload Enable/Disable */
 343                 struct e1000_option opt = {
 344                         .type = enable_option,
 345                         .name = "Checksum Offload",
 346                         .err  = "defaulting to Enabled",
 347                         .def  = OPTION_ENABLED
 348                 };
 349
 350                 if (num_XsumRX > bd) {
 351                         int rx_csum = XsumRX[bd];
 352                         e1000_validate_option(&rx_csum, &opt, adapter);
 353                         adapter->rx_csum = rx_csum;
 354                 } else {
 355                         adapter->rx_csum = opt.def;
 356                 }
 357         }
 358         { /* Flow Control */
 359
 360                 struct e1000_opt_list fc_list[] =
 361                         {{ E1000_FC_NONE,    "Flow Control Disabled" },
 362                          { E1000_FC_RX_PAUSE,"Flow Control Receive Only" },
 363                          { E1000_FC_TX_PAUSE,"Flow Control Transmit Only" },
 364                          { E1000_FC_FULL,    "Flow Control Enabled" },
 365                          { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
 366
 367                 struct e1000_option opt = {
 368                         .type = list_option,
 369                         .name = "Flow Control",
 370                         .err  = "reading default settings from EEPROM",
 371                         .def  = E1000_FC_DEFAULT,
 372                         .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
 373                                          .p = fc_list }}
 374                 };
 375
 376                 if (num_FlowControl > bd) {
 377                         int fc = FlowControl[bd];
 378                         e1000_validate_option(&fc, &opt, adapter);
 379                         adapter->hw.fc = adapter->hw.original_fc = fc;
 380                 } else {
 381                         adapter->hw.fc = adapter->hw.original_fc = opt.def;
 382                 }
 383         }
 384         { /* Transmit Interrupt Delay */
 385                 struct e1000_option opt = {
 386                         .type = range_option,
 387                         .name = "Transmit Interrupt Delay",
 388                         .err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
 389                         .def  = DEFAULT_TIDV,
 390                         .arg  = { .r = { .min = MIN_TXDELAY,
 391                                          .max = MAX_TXDELAY }}
 392                 };
 393
 394                 if (num_TxIntDelay > bd) {
 395                         adapter->tx_int_delay = TxIntDelay[bd];
 396                         e1000_validate_option(&adapter->tx_int_delay, &opt,
 397                                               adapter);
 398                 } else {
 399                         adapter->tx_int_delay = opt.def;
 400                 }
 401         }
 402         { /* Transmit Absolute Interrupt Delay */
 403                 struct e1000_option opt = {
 404                         .type = range_option,
 405                         .name = "Transmit Absolute Interrupt Delay",
 406                         .err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
 407                         .def  = DEFAULT_TADV,
 408                         .arg  = { .r = { .min = MIN_TXABSDELAY,
 409                                          .max = MAX_TXABSDELAY }}
 410                 };
 411
 412                 if (num_TxAbsIntDelay > bd) {
 413                         adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
 414                         e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
 415                                               adapter);
 416                 } else {
 417                         adapter->tx_abs_int_delay = opt.def;
 418                 }
 419         }
 420         { /* Receive Interrupt Delay */
 421                 struct e1000_option opt = {
 422                         .type = range_option,
 423                         .name = "Receive Interrupt Delay",
 424                         .err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
 425                         .def  = DEFAULT_RDTR,
 426                         .arg  = { .r = { .min = MIN_RXDELAY,
 427                                          .max = MAX_RXDELAY }}
 428                 };
 429
 430                 if (num_RxIntDelay > bd) {
 431                         adapter->rx_int_delay = RxIntDelay[bd];
 432                         e1000_validate_option(&adapter->rx_int_delay, &opt,
 433                                               adapter);
 434                 } else {
 435                         adapter->rx_int_delay = opt.def;
 436                 }
 437         }
 438         { /* Receive Absolute Interrupt Delay */
 439                 struct e1000_option opt = {
 440                         .type = range_option,
 441                         .name = "Receive Absolute Interrupt Delay",
 442                         .err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
 443                         .def  = DEFAULT_RADV,
 444                         .arg  = { .r = { .min = MIN_RXABSDELAY,
 445                                          .max = MAX_RXABSDELAY }}
 446                 };
 447
 448                 if (num_RxAbsIntDelay > bd) {
 449                         adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
 450                         e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
 451                                               adapter);
 452                 } else {
 453                         adapter->rx_abs_int_delay = opt.def;
 454                 }
 455         }
 456         { /* Interrupt Throttling Rate */
 457                 struct e1000_option opt = {
 458                         .type = range_option,
 459                         .name = "Interrupt Throttling Rate (ints/sec)",
 460                         .err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
 461                         .def  = DEFAULT_ITR,
 462                         .arg  = { .r = { .min = MIN_ITR,
 463                                          .max = MAX_ITR }}
 464                 };
 465
 466                 if (num_InterruptThrottleRate > bd) {
 467                         adapter->itr = InterruptThrottleRate[bd];
 468                         switch (adapter->itr) {
 469                         case 0:
 470                                 DPRINTK(PROBE, INFO, "%s turned off\n",
 471                                         opt.name);
 472                                 break;
 473                         case 1:
 474                                 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
 475                                         opt.name);
 476                                 adapter->itr_setting = adapter->itr;
 477                                 adapter->itr = 20000;
 478                                 break;
 479                         case 3:
 480                                 DPRINTK(PROBE, INFO,
 481                                         "%s set to dynamic conservative mode\n",
 482                                         opt.name);
 483                                 adapter->itr_setting = adapter->itr;
 484                                 adapter->itr = 20000;
 485                                 break;
 486                         default:
 487                                 e1000_validate_option(&adapter->itr, &opt,
 488                                         adapter);
 489                                 /* save the setting, because the dynamic bits change itr */
 490                                 /* clear the lower two bits because they are
 491                                  * used as control */
 492                                 adapter->itr_setting = adapter->itr & ~3;
 493                                 break;
 494                         }
 495                 } else {
 496                         adapter->itr_setting = opt.def;
 497                         adapter->itr = 20000;
 498                 }
 499         }
 500         { /* Smart Power Down */
 501                 struct e1000_option opt = {
 502                         .type = enable_option,
 503                         .name = "PHY Smart Power Down",
 504                         .err  = "defaulting to Disabled",
 505                         .def  = OPTION_DISABLED
 506                 };
 507
 508                 if (num_SmartPowerDownEnable > bd) {
 509                         int spd = SmartPowerDownEnable[bd];
 510                         e1000_validate_option(&spd, &opt, adapter);
 511                         adapter->smart_power_down = spd;
 512                 } else {
 513                         adapter->smart_power_down = opt.def;
 514                 }
 515         }
 516         { /* Kumeran Lock Loss Workaround */
 517                 struct e1000_option opt = {
 518                         .type = enable_option,
 519                         .name = "Kumeran Lock Loss Workaround",
 520                         .err  = "defaulting to Enabled",
 521                         .def  = OPTION_ENABLED
 522                 };
 523
 524                 if (num_KumeranLockLoss > bd) {
 525                         int kmrn_lock_loss = KumeranLockLoss[bd];
 526                         e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
 527                         adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
 528                 } else {
 529                         adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def;
 530                 }
 531         }
 532
 533         switch (adapter->hw.media_type) {
 534         case e1000_media_type_fiber:
 535         case e1000_media_type_internal_serdes:
 536                 e1000_check_fiber_options(adapter);
 537                 break;
 538         case e1000_media_type_copper:
 539                 e1000_check_copper_options(adapter);
 540                 break;
 541         default:
 542                 BUG();
 543         }
 544 }
 545
 546 /**
 547  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
 548  * @adapter: board private structure
 549  *
 550  * Handles speed and duplex options on fiber adapters
 551  **/
 552
 553 static void __devinit
 554 e1000_check_fiber_options(struct e1000_adapter *adapter)
 555 {
 556         int bd = adapter->bd_number;
 557         if (num_Speed > bd) {
 558                 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
 559                        "parameter ignored\n");
 560         }
 561
 562         if (num_Duplex > bd) {
 563                 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
 564                        "parameter ignored\n");
 565         }
 566
 567         if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
 568                 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
 569                                  "not valid for fiber adapters, "
 570                                  "parameter ignored\n");
 571         }
 572 }
 573
 574 /**
 575  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
 576  * @adapter: board private structure
 577  *
 578  * Handles speed and duplex options on copper adapters
 579  **/
 580
 581 static void __devinit
 582 e1000_check_copper_options(struct e1000_adapter *adapter)
 583 {
 584         int speed, dplx, an;
 585         int bd = adapter->bd_number;
 586
 587         { /* Speed */
 588                 struct e1000_opt_list speed_list[] = {{          0, "" },
 589                                                       {   SPEED_10, "" },
 590                                                       {  SPEED_100, "" },
 591                                                       { SPEED_1000, "" }};
 592
 593                 struct e1000_option opt = {
 594                         .type = list_option,
 595                         .name = "Speed",
 596                         .err  = "parameter ignored",
 597                         .def  = 0,
 598                         .arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
 599                                          .p = speed_list }}
 600                 };
 601
 602                 if (num_Speed > bd) {
 603                         speed = Speed[bd];
 604                         e1000_validate_option(&speed, &opt, adapter);
 605                 } else {
 606                         speed = opt.def;
 607                 }
 608         }
 609         { /* Duplex */
 610                 struct e1000_opt_list dplx_list[] = {{           0, "" },
 611                                                      { HALF_DUPLEX, "" },
 612                                                      { FULL_DUPLEX, "" }};
 613
 614                 struct e1000_option opt = {
 615                         .type = list_option,
 616                         .name = "Duplex",
 617                         .err  = "parameter ignored",
 618                         .def  = 0,
 619                         .arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
 620                                          .p = dplx_list }}
 621                 };
 622
 623                 if (e1000_check_phy_reset_block(&adapter->hw)) {
 624                         DPRINTK(PROBE, INFO,
 625                                 "Link active due to SoL/IDER Session. "
 626                                 "Speed/Duplex/AutoNeg parameter ignored.\n");
 627                         return;
 628                 }
 629                 if (num_Duplex > bd) {
 630                         dplx = Duplex[bd];
 631                         e1000_validate_option(&dplx, &opt, adapter);
 632                 } else {
 633                         dplx = opt.def;
 634                 }
 635         }
 636
 637         if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
 638                 DPRINTK(PROBE, INFO,
 639                        "AutoNeg specified along with Speed or Duplex, "
 640                        "parameter ignored\n");
 641                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
 642         } else { /* Autoneg */
 643                 struct e1000_opt_list an_list[] =
 644                         #define AA "AutoNeg advertising "
 645                         {{ 0x01, AA "10/HD" },
 646                          { 0x02, AA "10/FD" },
 647                          { 0x03, AA "10/FD, 10/HD" },
 648                          { 0x04, AA "100/HD" },
 649                          { 0x05, AA "100/HD, 10/HD" },
 650                          { 0x06, AA "100/HD, 10/FD" },
 651                          { 0x07, AA "100/HD, 10/FD, 10/HD" },
 652                          { 0x08, AA "100/FD" },
 653                          { 0x09, AA "100/FD, 10/HD" },
 654                          { 0x0a, AA "100/FD, 10/FD" },
 655                          { 0x0b, AA "100/FD, 10/FD, 10/HD" },
 656                          { 0x0c, AA "100/FD, 100/HD" },
 657                          { 0x0d, AA "100/FD, 100/HD, 10/HD" },
 658                          { 0x0e, AA "100/FD, 100/HD, 10/FD" },
 659                          { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
 660                          { 0x20, AA "1000/FD" },
 661                          { 0x21, AA "1000/FD, 10/HD" },
 662                          { 0x22, AA "1000/FD, 10/FD" },
 663                          { 0x23, AA "1000/FD, 10/FD, 10/HD" },
 664                          { 0x24, AA "1000/FD, 100/HD" },
 665                          { 0x25, AA "1000/FD, 100/HD, 10/HD" },
 666                          { 0x26, AA "1000/FD, 100/HD, 10/FD" },
 667                          { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
 668                          { 0x28, AA "1000/FD, 100/FD" },
 669                          { 0x29, AA "1000/FD, 100/FD, 10/HD" },
 670                          { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
 671                          { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
 672                          { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
 673                          { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
 674                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
 675                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
 676
 677                 struct e1000_option opt = {
 678                         .type = list_option,
 679                         .name = "AutoNeg",
 680                         .err  = "parameter ignored",
 681                         .def  = AUTONEG_ADV_DEFAULT,
 682                         .arg  = { .l = { .nr = ARRAY_SIZE(an_list),
 683                                          .p = an_list }}
 684                 };
 685
 686                 if (num_AutoNeg > bd) {
 687                         an = AutoNeg[bd];
 688                         e1000_validate_option(&an, &opt, adapter);
 689                 } else {
 690                         an = opt.def;
 691                 }
 692                 adapter->hw.autoneg_advertised = an;
 693         }
 694
 695         switch (speed + dplx) {
 696         case 0:
 697                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 698                 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
 699                         DPRINTK(PROBE, INFO,
 700                                "Speed and duplex autonegotiation enabled\n");
 701                 break;
 702         case HALF_DUPLEX:
 703                 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
 704                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 705                         "Half Duplex only\n");
 706                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 707                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 708                                                  ADVERTISE_100_HALF;
 709                 break;
 710         case FULL_DUPLEX:
 711                 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
 712                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 713                         "Full Duplex only\n");
 714                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 715                 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
 716                                                  ADVERTISE_100_FULL |
 717                                                  ADVERTISE_1000_FULL;
 718                 break;
 719         case SPEED_10:
 720                 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
 721                         "without Duplex\n");
 722                 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
 723                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 724                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 725                                                  ADVERTISE_10_FULL;
 726                 break;
 727         case SPEED_10 + HALF_DUPLEX:
 728                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
 729                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 730                 adapter->hw.forced_speed_duplex = e1000_10_half;
 731                 adapter->hw.autoneg_advertised = 0;
 732                 break;
 733         case SPEED_10 + FULL_DUPLEX:
 734                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
 735                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 736                 adapter->hw.forced_speed_duplex = e1000_10_full;
 737                 adapter->hw.autoneg_advertised = 0;
 738                 break;
 739         case SPEED_100:
 740                 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
 741                         "without Duplex\n");
 742                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 743                         "100 Mbps only\n");
 744                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 745                 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
 746                                                  ADVERTISE_100_FULL;
 747                 break;
 748         case SPEED_100 + HALF_DUPLEX:
 749                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
 750                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 751                 adapter->hw.forced_speed_duplex = e1000_100_half;
 752                 adapter->hw.autoneg_advertised = 0;
 753                 break;
 754         case SPEED_100 + FULL_DUPLEX:
 755                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
 756                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 757                 adapter->hw.forced_speed_duplex = e1000_100_full;
 758                 adapter->hw.autoneg_advertised = 0;
 759                 break;
 760         case SPEED_1000:
 761                 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
 762                         "Duplex\n");
 763                 goto full_duplex_only;
 764         case SPEED_1000 + HALF_DUPLEX:
 765                 DPRINTK(PROBE, INFO,
 766                         "Half Duplex is not supported at 1000 Mbps\n");
 767                 /* fall through */
 768         case SPEED_1000 + FULL_DUPLEX:
 769 full_duplex_only:
 770                 DPRINTK(PROBE, INFO,
 771                        "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
 772                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 773                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
 774                 break;
 775         default:
 776                 BUG();
 777         }
 778
 779         /* Speed, AutoNeg and MDI/MDI-X must all play nice */
 780         if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
 781                 DPRINTK(PROBE, INFO,
 782                         "Speed, AutoNeg and MDI-X specifications are "
 783                         "incompatible. Setting MDI-X to a compatible value.\n");
 784         }
 785 }
 786