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 unsigned int num_##X; \
  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         const char *name;
 202         const 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(unsigned int *value,
 218                       const struct e1000_option *opt,
 219                       struct e1000_adapter *adapter)
 220 {
 221         if (*value == OPTION_UNSET) {
 222                 *value = opt->def;
 223                 return 0;
 224         }
 225
 226         switch (opt->type) {
 227         case enable_option:
 228                 switch (*value) {
 229                 case OPTION_ENABLED:
 230                         DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
 231                         return 0;
 232                 case OPTION_DISABLED:
 233                         DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
 234                         return 0;
 235                 }
 236                 break;
 237         case range_option:
 238                 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
 239                         DPRINTK(PROBE, INFO,
 240                                         "%s set to %i\n", opt->name, *value);
 241                         return 0;
 242                 }
 243                 break;
 244         case list_option: {
 245                 int i;
 246                 struct e1000_opt_list *ent;
 247
 248                 for (i = 0; i < opt->arg.l.nr; i++) {
 249                         ent = &opt->arg.l.p[i];
 250                         if (*value == ent->i) {
 251                                 if (ent->str[0] != '\0')
 252                                         DPRINTK(PROBE, INFO, "%s\n", ent->str);
 253                                 return 0;
 254                         }
 255                 }
 256         }
 257                 break;
 258         default:
 259                 BUG();
 260         }
 261
 262         DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
 263                opt->name, *value, opt->err);
 264         *value = opt->def;
 265         return -1;
 266 }
 267
 268 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
 269 static void e1000_check_copper_options(struct e1000_adapter *adapter);
 270
 271 /**
 272  * e1000_check_options - Range Checking for Command Line Parameters
 273  * @adapter: board private structure
 274  *
 275  * This routine checks all command line parameters for valid user
 276  * input.  If an invalid value is given, or if no user specified
 277  * value exists, a default value is used.  The final value is stored
 278  * in a variable in the adapter structure.
 279  **/
 280
 281 void __devinit
 282 e1000_check_options(struct e1000_adapter *adapter)
 283 {
 284         int bd = adapter->bd_number;
 285         if (bd >= E1000_MAX_NIC) {
 286                 DPRINTK(PROBE, NOTICE,
 287                        "Warning: no configuration for board #%i\n", bd);
 288                 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
 289         }
 290
 291         { /* Transmit Descriptor Count */
 292                 struct e1000_option opt = {
 293                         .type = range_option,
 294                         .name = "Transmit Descriptors",
 295                         .err  = "using default of "
 296                                 __MODULE_STRING(E1000_DEFAULT_TXD),
 297                         .def  = E1000_DEFAULT_TXD,
 298                         .arg  = { .r = { .min = E1000_MIN_TXD }}
 299                 };
 300                 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
 301                 int i;
 302                 e1000_mac_type mac_type = adapter->hw.mac_type;
 303                 opt.arg.r.max = mac_type < e1000_82544 ?
 304                         E1000_MAX_TXD : E1000_MAX_82544_TXD;
 305
 306                 if (num_TxDescriptors > bd) {
 307                         tx_ring->count = TxDescriptors[bd];
 308                         e1000_validate_option(&tx_ring->count, &opt, adapter);
 309                         tx_ring->count = ALIGN(tx_ring->count,
 310                                                 REQ_TX_DESCRIPTOR_MULTIPLE);
 311                 } else {
 312                         tx_ring->count = opt.def;
 313                 }
 314                 for (i = 0; i < adapter->num_tx_queues; i++)
 315                         tx_ring[i].count = tx_ring->count;
 316         }
 317         { /* Receive Descriptor Count */
 318                 struct e1000_option opt = {
 319                         .type = range_option,
 320                         .name = "Receive Descriptors",
 321                         .err  = "using default of "
 322                                 __MODULE_STRING(E1000_DEFAULT_RXD),
 323                         .def  = E1000_DEFAULT_RXD,
 324                         .arg  = { .r = { .min = E1000_MIN_RXD }}
 325                 };
 326                 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
 327                 int i;
 328                 e1000_mac_type mac_type = adapter->hw.mac_type;
 329                 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
 330                         E1000_MAX_82544_RXD;
 331
 332                 if (num_RxDescriptors > bd) {
 333                         rx_ring->count = RxDescriptors[bd];
 334                         e1000_validate_option(&rx_ring->count, &opt, adapter);
 335                         rx_ring->count = ALIGN(rx_ring->count,
 336                                                 REQ_RX_DESCRIPTOR_MULTIPLE);
 337                 } else {
 338                         rx_ring->count = opt.def;
 339                 }
 340                 for (i = 0; i < adapter->num_rx_queues; i++)
 341                         rx_ring[i].count = rx_ring->count;
 342         }
 343         { /* Checksum Offload Enable/Disable */
 344                 struct e1000_option opt = {
 345                         .type = enable_option,
 346                         .name = "Checksum Offload",
 347                         .err  = "defaulting to Enabled",
 348                         .def  = OPTION_ENABLED
 349                 };
 350
 351                 if (num_XsumRX > bd) {
 352                         unsigned int rx_csum = XsumRX[bd];
 353                         e1000_validate_option(&rx_csum, &opt, adapter);
 354                         adapter->rx_csum = rx_csum;
 355                 } else {
 356                         adapter->rx_csum = opt.def;
 357                 }
 358         }
 359         { /* Flow Control */
 360
 361                 struct e1000_opt_list fc_list[] =
 362                         {{ E1000_FC_NONE,    "Flow Control Disabled" },
 363                          { E1000_FC_RX_PAUSE,"Flow Control Receive Only" },
 364                          { E1000_FC_TX_PAUSE,"Flow Control Transmit Only" },
 365                          { E1000_FC_FULL,    "Flow Control Enabled" },
 366                          { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
 367
 368                 struct e1000_option opt = {
 369                         .type = list_option,
 370                         .name = "Flow Control",
 371                         .err  = "reading default settings from EEPROM",
 372                         .def  = E1000_FC_DEFAULT,
 373                         .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
 374                                          .p = fc_list }}
 375                 };
 376
 377                 if (num_FlowControl > bd) {
 378                         unsigned int fc = FlowControl[bd];
 379                         e1000_validate_option(&fc, &opt, adapter);
 380                         adapter->hw.fc = adapter->hw.original_fc = fc;
 381                 } else {
 382                         adapter->hw.fc = adapter->hw.original_fc = opt.def;
 383                 }
 384         }
 385         { /* Transmit Interrupt Delay */
 386                 struct e1000_option opt = {
 387                         .type = range_option,
 388                         .name = "Transmit Interrupt Delay",
 389                         .err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
 390                         .def  = DEFAULT_TIDV,
 391                         .arg  = { .r = { .min = MIN_TXDELAY,
 392                                          .max = MAX_TXDELAY }}
 393                 };
 394
 395                 if (num_TxIntDelay > bd) {
 396                         adapter->tx_int_delay = TxIntDelay[bd];
 397                         e1000_validate_option(&adapter->tx_int_delay, &opt,
 398                                               adapter);
 399                 } else {
 400                         adapter->tx_int_delay = opt.def;
 401                 }
 402         }
 403         { /* Transmit Absolute Interrupt Delay */
 404                 struct e1000_option opt = {
 405                         .type = range_option,
 406                         .name = "Transmit Absolute Interrupt Delay",
 407                         .err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
 408                         .def  = DEFAULT_TADV,
 409                         .arg  = { .r = { .min = MIN_TXABSDELAY,
 410                                          .max = MAX_TXABSDELAY }}
 411                 };
 412
 413                 if (num_TxAbsIntDelay > bd) {
 414                         adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
 415                         e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
 416                                               adapter);
 417                 } else {
 418                         adapter->tx_abs_int_delay = opt.def;
 419                 }
 420         }
 421         { /* Receive Interrupt Delay */
 422                 struct e1000_option opt = {
 423                         .type = range_option,
 424                         .name = "Receive Interrupt Delay",
 425                         .err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
 426                         .def  = DEFAULT_RDTR,
 427                         .arg  = { .r = { .min = MIN_RXDELAY,
 428                                          .max = MAX_RXDELAY }}
 429                 };
 430
 431                 if (num_RxIntDelay > bd) {
 432                         adapter->rx_int_delay = RxIntDelay[bd];
 433                         e1000_validate_option(&adapter->rx_int_delay, &opt,
 434                                               adapter);
 435                 } else {
 436                         adapter->rx_int_delay = opt.def;
 437                 }
 438         }
 439         { /* Receive Absolute Interrupt Delay */
 440                 struct e1000_option opt = {
 441                         .type = range_option,
 442                         .name = "Receive Absolute Interrupt Delay",
 443                         .err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
 444                         .def  = DEFAULT_RADV,
 445                         .arg  = { .r = { .min = MIN_RXABSDELAY,
 446                                          .max = MAX_RXABSDELAY }}
 447                 };
 448
 449                 if (num_RxAbsIntDelay > bd) {
 450                         adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
 451                         e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
 452                                               adapter);
 453                 } else {
 454                         adapter->rx_abs_int_delay = opt.def;
 455                 }
 456         }
 457         { /* Interrupt Throttling Rate */
 458                 struct e1000_option opt = {
 459                         .type = range_option,
 460                         .name = "Interrupt Throttling Rate (ints/sec)",
 461                         .err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
 462                         .def  = DEFAULT_ITR,
 463                         .arg  = { .r = { .min = MIN_ITR,
 464                                          .max = MAX_ITR }}
 465                 };
 466
 467                 if (num_InterruptThrottleRate > bd) {
 468                         adapter->itr = InterruptThrottleRate[bd];
 469                         switch (adapter->itr) {
 470                         case 0:
 471                                 DPRINTK(PROBE, INFO, "%s turned off\n",
 472                                         opt.name);
 473                                 break;
 474                         case 1:
 475                                 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
 476                                         opt.name);
 477                                 adapter->itr_setting = adapter->itr;
 478                                 adapter->itr = 20000;
 479                                 break;
 480                         case 3:
 481                                 DPRINTK(PROBE, INFO,
 482                                         "%s set to dynamic conservative mode\n",
 483                                         opt.name);
 484                                 adapter->itr_setting = adapter->itr;
 485                                 adapter->itr = 20000;
 486                                 break;
 487                         default:
 488                                 e1000_validate_option(&adapter->itr, &opt,
 489                                         adapter);
 490                                 /* save the setting, because the dynamic bits change itr */
 491                                 /* clear the lower two bits because they are
 492                                  * used as control */
 493                                 adapter->itr_setting = adapter->itr & ~3;
 494                                 break;
 495                         }
 496                 } else {
 497                         adapter->itr_setting = opt.def;
 498                         adapter->itr = 20000;
 499                 }
 500         }
 501         { /* Smart Power Down */
 502                 struct e1000_option opt = {
 503                         .type = enable_option,
 504                         .name = "PHY Smart Power Down",
 505                         .err  = "defaulting to Disabled",
 506                         .def  = OPTION_DISABLED
 507                 };
 508
 509                 if (num_SmartPowerDownEnable > bd) {
 510                         unsigned int spd = SmartPowerDownEnable[bd];
 511                         e1000_validate_option(&spd, &opt, adapter);
 512                         adapter->smart_power_down = spd;
 513                 } else {
 514                         adapter->smart_power_down = opt.def;
 515                 }
 516         }
 517         { /* Kumeran Lock Loss Workaround */
 518                 struct e1000_option opt = {
 519                         .type = enable_option,
 520                         .name = "Kumeran Lock Loss Workaround",
 521                         .err  = "defaulting to Enabled",
 522                         .def  = OPTION_ENABLED
 523                 };
 524
 525                 if (num_KumeranLockLoss > bd) {
 526                         unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
 527                         e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
 528                         adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
 529                 } else {
 530                         adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def;
 531                 }
 532         }
 533
 534         switch (adapter->hw.media_type) {
 535         case e1000_media_type_fiber:
 536         case e1000_media_type_internal_serdes:
 537                 e1000_check_fiber_options(adapter);
 538                 break;
 539         case e1000_media_type_copper:
 540                 e1000_check_copper_options(adapter);
 541                 break;
 542         default:
 543                 BUG();
 544         }
 545 }
 546
 547 /**
 548  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
 549  * @adapter: board private structure
 550  *
 551  * Handles speed and duplex options on fiber adapters
 552  **/
 553
 554 static void __devinit
 555 e1000_check_fiber_options(struct e1000_adapter *adapter)
 556 {
 557         int bd = adapter->bd_number;
 558         if (num_Speed > bd) {
 559                 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
 560                        "parameter ignored\n");
 561         }
 562
 563         if (num_Duplex > bd) {
 564                 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
 565                        "parameter ignored\n");
 566         }
 567
 568         if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
 569                 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
 570                                  "not valid for fiber adapters, "
 571                                  "parameter ignored\n");
 572         }
 573 }
 574
 575 /**
 576  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
 577  * @adapter: board private structure
 578  *
 579  * Handles speed and duplex options on copper adapters
 580  **/
 581
 582 static void __devinit
 583 e1000_check_copper_options(struct e1000_adapter *adapter)
 584 {
 585         unsigned int speed, dplx, an;
 586         int bd = adapter->bd_number;
 587
 588         { /* Speed */
 589                 struct e1000_opt_list speed_list[] = {{          0, "" },
 590                                                       {   SPEED_10, "" },
 591                                                       {  SPEED_100, "" },
 592                                                       { SPEED_1000, "" }};
 593
 594                 struct e1000_option opt = {
 595                         .type = list_option,
 596                         .name = "Speed",
 597                         .err  = "parameter ignored",
 598                         .def  = 0,
 599                         .arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
 600                                          .p = speed_list }}
 601                 };
 602
 603                 if (num_Speed > bd) {
 604                         speed = Speed[bd];
 605                         e1000_validate_option(&speed, &opt, adapter);
 606                 } else {
 607                         speed = opt.def;
 608                 }
 609         }
 610         { /* Duplex */
 611                 struct e1000_opt_list dplx_list[] = {{           0, "" },
 612                                                      { HALF_DUPLEX, "" },
 613                                                      { FULL_DUPLEX, "" }};
 614
 615                 struct e1000_option opt = {
 616                         .type = list_option,
 617                         .name = "Duplex",
 618                         .err  = "parameter ignored",
 619                         .def  = 0,
 620                         .arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
 621                                          .p = dplx_list }}
 622                 };
 623
 624                 if (e1000_check_phy_reset_block(&adapter->hw)) {
 625                         DPRINTK(PROBE, INFO,
 626                                 "Link active due to SoL/IDER Session. "
 627                                 "Speed/Duplex/AutoNeg parameter ignored.\n");
 628                         return;
 629                 }
 630                 if (num_Duplex > bd) {
 631                         dplx = Duplex[bd];
 632                         e1000_validate_option(&dplx, &opt, adapter);
 633                 } else {
 634                         dplx = opt.def;
 635                 }
 636         }
 637
 638         if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
 639                 DPRINTK(PROBE, INFO,
 640                        "AutoNeg specified along with Speed or Duplex, "
 641                        "parameter ignored\n");
 642                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
 643         } else { /* Autoneg */
 644                 struct e1000_opt_list an_list[] =
 645                         #define AA "AutoNeg advertising "
 646                         {{ 0x01, AA "10/HD" },
 647                          { 0x02, AA "10/FD" },
 648                          { 0x03, AA "10/FD, 10/HD" },
 649                          { 0x04, AA "100/HD" },
 650                          { 0x05, AA "100/HD, 10/HD" },
 651                          { 0x06, AA "100/HD, 10/FD" },
 652                          { 0x07, AA "100/HD, 10/FD, 10/HD" },
 653                          { 0x08, AA "100/FD" },
 654                          { 0x09, AA "100/FD, 10/HD" },
 655                          { 0x0a, AA "100/FD, 10/FD" },
 656                          { 0x0b, AA "100/FD, 10/FD, 10/HD" },
 657                          { 0x0c, AA "100/FD, 100/HD" },
 658                          { 0x0d, AA "100/FD, 100/HD, 10/HD" },
 659                          { 0x0e, AA "100/FD, 100/HD, 10/FD" },
 660                          { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
 661                          { 0x20, AA "1000/FD" },
 662                          { 0x21, AA "1000/FD, 10/HD" },
 663                          { 0x22, AA "1000/FD, 10/FD" },
 664                          { 0x23, AA "1000/FD, 10/FD, 10/HD" },
 665                          { 0x24, AA "1000/FD, 100/HD" },
 666                          { 0x25, AA "1000/FD, 100/HD, 10/HD" },
 667                          { 0x26, AA "1000/FD, 100/HD, 10/FD" },
 668                          { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
 669                          { 0x28, AA "1000/FD, 100/FD" },
 670                          { 0x29, AA "1000/FD, 100/FD, 10/HD" },
 671                          { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
 672                          { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
 673                          { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
 674                          { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
 675                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
 676                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
 677
 678                 struct e1000_option opt = {
 679                         .type = list_option,
 680                         .name = "AutoNeg",
 681                         .err  = "parameter ignored",
 682                         .def  = AUTONEG_ADV_DEFAULT,
 683                         .arg  = { .l = { .nr = ARRAY_SIZE(an_list),
 684                                          .p = an_list }}
 685                 };
 686
 687                 if (num_AutoNeg > bd) {
 688                         an = AutoNeg[bd];
 689                         e1000_validate_option(&an, &opt, adapter);
 690                 } else {
 691                         an = opt.def;
 692                 }
 693                 adapter->hw.autoneg_advertised = an;
 694         }
 695
 696         switch (speed + dplx) {
 697         case 0:
 698                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 699                 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
 700                         DPRINTK(PROBE, INFO,
 701                                "Speed and duplex autonegotiation enabled\n");
 702                 break;
 703         case HALF_DUPLEX:
 704                 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
 705                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 706                         "Half Duplex only\n");
 707                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 708                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 709                                                  ADVERTISE_100_HALF;
 710                 break;
 711         case FULL_DUPLEX:
 712                 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
 713                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 714                         "Full Duplex only\n");
 715                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 716                 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
 717                                                  ADVERTISE_100_FULL |
 718                                                  ADVERTISE_1000_FULL;
 719                 break;
 720         case SPEED_10:
 721                 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
 722                         "without Duplex\n");
 723                 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
 724                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 725                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 726                                                  ADVERTISE_10_FULL;
 727                 break;
 728         case SPEED_10 + HALF_DUPLEX:
 729                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
 730                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 731                 adapter->hw.forced_speed_duplex = e1000_10_half;
 732                 adapter->hw.autoneg_advertised = 0;
 733                 break;
 734         case SPEED_10 + FULL_DUPLEX:
 735                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
 736                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 737                 adapter->hw.forced_speed_duplex = e1000_10_full;
 738                 adapter->hw.autoneg_advertised = 0;
 739                 break;
 740         case SPEED_100:
 741                 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
 742                         "without Duplex\n");
 743                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 744                         "100 Mbps only\n");
 745                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 746                 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
 747                                                  ADVERTISE_100_FULL;
 748                 break;
 749         case SPEED_100 + HALF_DUPLEX:
 750                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
 751                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 752                 adapter->hw.forced_speed_duplex = e1000_100_half;
 753                 adapter->hw.autoneg_advertised = 0;
 754                 break;
 755         case SPEED_100 + FULL_DUPLEX:
 756                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
 757                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 758                 adapter->hw.forced_speed_duplex = e1000_100_full;
 759                 adapter->hw.autoneg_advertised = 0;
 760                 break;
 761         case SPEED_1000:
 762                 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
 763                         "Duplex\n");
 764                 goto full_duplex_only;
 765         case SPEED_1000 + HALF_DUPLEX:
 766                 DPRINTK(PROBE, INFO,
 767                         "Half Duplex is not supported at 1000 Mbps\n");
 768                 /* fall through */
 769         case SPEED_1000 + FULL_DUPLEX:
 770 full_duplex_only:
 771                 DPRINTK(PROBE, INFO,
 772                        "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
 773                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 774                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
 775                 break;
 776         default:
 777                 BUG();
 778         }
 779
 780         /* Speed, AutoNeg and MDI/MDI-X must all play nice */
 781         if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
 782                 DPRINTK(PROBE, INFO,
 783                         "Speed, AutoNeg and MDI-X specifications are "
 784                         "incompatible. Setting MDI-X to a compatible value.\n");
 785         }
 786 }
 787