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   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                         const struct e1000_opt_list { int i; char *str; } *p;
 212                 } l;
 213         } arg;
 214 };
 215
 216 static int __devinit e1000_validate_option(unsigned int *value,
 217                                            const 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                         e_dev_info("%s Enabled\n", opt->name);
 230                         return 0;
 231                 case OPTION_DISABLED:
 232                         e_dev_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                         e_dev_info("%s set to %i\n", opt->name, *value);
 239                         return 0;
 240                 }
 241                 break;
 242         case list_option: {
 243                 int i;
 244                 const struct e1000_opt_list *ent;
 245
 246                 for (i = 0; i < opt->arg.l.nr; i++) {
 247                         ent = &opt->arg.l.p[i];
 248                         if (*value == ent->i) {
 249                                 if (ent->str[0] != '\0')
 250                                         e_dev_info("%s\n", ent->str);
 251                                 return 0;
 252                         }
 253                 }
 254         }
 255                 break;
 256         default:
 257                 BUG();
 258         }
 259
 260         e_dev_info("Invalid %s value specified (%i) %s\n",
 261                opt->name, *value, opt->err);
 262         *value = opt->def;
 263         return -1;
 264 }
 265
 266 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
 267 static void e1000_check_copper_options(struct e1000_adapter *adapter);
 268
 269 /**
 270  * e1000_check_options - Range Checking for Command Line Parameters
 271  * @adapter: board private structure
 272  *
 273  * This routine checks all command line parameters for valid user
 274  * input.  If an invalid value is given, or if no user specified
 275  * value exists, a default value is used.  The final value is stored
 276  * in a variable in the adapter structure.
 277  **/
 278
 279 void __devinit e1000_check_options(struct e1000_adapter *adapter)
 280 {
 281         struct e1000_option opt;
 282         int bd = adapter->bd_number;
 283
 284         if (bd >= E1000_MAX_NIC) {
 285                 e_dev_warn("Warning: no configuration for board #%i "
 286                            "using defaults for all values\n", bd);
 287         }
 288
 289         { /* Transmit Descriptor Count */
 290                 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
 291                 int i;
 292                 e1000_mac_type mac_type = adapter->hw.mac_type;
 293
 294                 opt = (struct e1000_option) {
 295                         .type = range_option,
 296                         .name = "Transmit Descriptors",
 297                         .err  = "using default of "
 298                                 __MODULE_STRING(E1000_DEFAULT_TXD),
 299                         .def  = E1000_DEFAULT_TXD,
 300                         .arg  = { .r = {
 301                                 .min = E1000_MIN_TXD,
 302                                 .max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD
 303                                 }}
 304                 };
 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_rx_ring *rx_ring = adapter->rx_ring;
 319                 int i;
 320                 e1000_mac_type mac_type = adapter->hw.mac_type;
 321
 322                 opt = (struct e1000_option) {
 323                         .type = range_option,
 324                         .name = "Receive Descriptors",
 325                         .err  = "using default of "
 326                                 __MODULE_STRING(E1000_DEFAULT_RXD),
 327                         .def  = E1000_DEFAULT_RXD,
 328                         .arg  = { .r = {
 329                                 .min = E1000_MIN_RXD,
 330                                 .max = mac_type < e1000_82544 ? E1000_MAX_RXD : E1000_MAX_82544_RXD
 331                         }}
 332                 };
 333
 334                 if (num_RxDescriptors > bd) {
 335                         rx_ring->count = RxDescriptors[bd];
 336                         e1000_validate_option(&rx_ring->count, &opt, adapter);
 337                         rx_ring->count = ALIGN(rx_ring->count,
 338                                                 REQ_RX_DESCRIPTOR_MULTIPLE);
 339                 } else {
 340                         rx_ring->count = opt.def;
 341                 }
 342                 for (i = 0; i < adapter->num_rx_queues; i++)
 343                         rx_ring[i].count = rx_ring->count;
 344         }
 345         { /* Checksum Offload Enable/Disable */
 346                 opt = (struct e1000_option) {
 347                         .type = enable_option,
 348                         .name = "Checksum Offload",
 349                         .err  = "defaulting to Enabled",
 350                         .def  = OPTION_ENABLED
 351                 };
 352
 353                 if (num_XsumRX > bd) {
 354                         unsigned int rx_csum = XsumRX[bd];
 355                         e1000_validate_option(&rx_csum, &opt, adapter);
 356                         adapter->rx_csum = rx_csum;
 357                 } else {
 358                         adapter->rx_csum = opt.def;
 359                 }
 360         }
 361         { /* Flow Control */
 362
 363                 struct e1000_opt_list fc_list[] =
 364                         {{ E1000_FC_NONE,    "Flow Control Disabled" },
 365                          { E1000_FC_RX_PAUSE,"Flow Control Receive Only" },
 366                          { E1000_FC_TX_PAUSE,"Flow Control Transmit Only" },
 367                          { E1000_FC_FULL,    "Flow Control Enabled" },
 368                          { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
 369
 370                 opt = (struct e1000_option) {
 371                         .type = list_option,
 372                         .name = "Flow Control",
 373                         .err  = "reading default settings from EEPROM",
 374                         .def  = E1000_FC_DEFAULT,
 375                         .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
 376                                          .p = fc_list }}
 377                 };
 378
 379                 if (num_FlowControl > bd) {
 380                         unsigned int fc = FlowControl[bd];
 381                         e1000_validate_option(&fc, &opt, adapter);
 382                         adapter->hw.fc = adapter->hw.original_fc = fc;
 383                 } else {
 384                         adapter->hw.fc = adapter->hw.original_fc = opt.def;
 385                 }
 386         }
 387         { /* Transmit Interrupt Delay */
 388                 opt = (struct e1000_option) {
 389                         .type = range_option,
 390                         .name = "Transmit Interrupt Delay",
 391                         .err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
 392                         .def  = DEFAULT_TIDV,
 393                         .arg  = { .r = { .min = MIN_TXDELAY,
 394                                          .max = MAX_TXDELAY }}
 395                 };
 396
 397                 if (num_TxIntDelay > bd) {
 398                         adapter->tx_int_delay = TxIntDelay[bd];
 399                         e1000_validate_option(&adapter->tx_int_delay, &opt,
 400                                               adapter);
 401                 } else {
 402                         adapter->tx_int_delay = opt.def;
 403                 }
 404         }
 405         { /* Transmit Absolute Interrupt Delay */
 406                 opt = (struct e1000_option) {
 407                         .type = range_option,
 408                         .name = "Transmit Absolute Interrupt Delay",
 409                         .err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
 410                         .def  = DEFAULT_TADV,
 411                         .arg  = { .r = { .min = MIN_TXABSDELAY,
 412                                          .max = MAX_TXABSDELAY }}
 413                 };
 414
 415                 if (num_TxAbsIntDelay > bd) {
 416                         adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
 417                         e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
 418                                               adapter);
 419                 } else {
 420                         adapter->tx_abs_int_delay = opt.def;
 421                 }
 422         }
 423         { /* Receive Interrupt Delay */
 424                 opt = (struct e1000_option) {
 425                         .type = range_option,
 426                         .name = "Receive Interrupt Delay",
 427                         .err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
 428                         .def  = DEFAULT_RDTR,
 429                         .arg  = { .r = { .min = MIN_RXDELAY,
 430                                          .max = MAX_RXDELAY }}
 431                 };
 432
 433                 if (num_RxIntDelay > bd) {
 434                         adapter->rx_int_delay = RxIntDelay[bd];
 435                         e1000_validate_option(&adapter->rx_int_delay, &opt,
 436                                               adapter);
 437                 } else {
 438                         adapter->rx_int_delay = opt.def;
 439                 }
 440         }
 441         { /* Receive Absolute Interrupt Delay */
 442                 opt = (struct e1000_option) {
 443                         .type = range_option,
 444                         .name = "Receive Absolute Interrupt Delay",
 445                         .err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
 446                         .def  = DEFAULT_RADV,
 447                         .arg  = { .r = { .min = MIN_RXABSDELAY,
 448                                          .max = MAX_RXABSDELAY }}
 449                 };
 450
 451                 if (num_RxAbsIntDelay > bd) {
 452                         adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
 453                         e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
 454                                               adapter);
 455                 } else {
 456                         adapter->rx_abs_int_delay = opt.def;
 457                 }
 458         }
 459         { /* Interrupt Throttling Rate */
 460                 opt = (struct e1000_option) {
 461                         .type = range_option,
 462                         .name = "Interrupt Throttling Rate (ints/sec)",
 463                         .err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
 464                         .def  = DEFAULT_ITR,
 465                         .arg  = { .r = { .min = MIN_ITR,
 466                                          .max = MAX_ITR }}
 467                 };
 468
 469                 if (num_InterruptThrottleRate > bd) {
 470                         adapter->itr = InterruptThrottleRate[bd];
 471                         switch (adapter->itr) {
 472                         case 0:
 473                                 e_dev_info("%s turned off\n", opt.name);
 474                                 break;
 475                         case 1:
 476                                 e_dev_info("%s set to dynamic mode\n",
 477                                            opt.name);
 478                                 adapter->itr_setting = adapter->itr;
 479                                 adapter->itr = 20000;
 480                                 break;
 481                         case 3:
 482                                 e_dev_info("%s set to dynamic conservative "
 483                                            "mode\n", opt.name);
 484                                 adapter->itr_setting = adapter->itr;
 485                                 adapter->itr = 20000;
 486                                 break;
 487                         case 4:
 488                                 e_dev_info("%s set to simplified "
 489                                            "(2000-8000) ints mode\n", opt.name);
 490                                 adapter->itr_setting = adapter->itr;
 491                                 break;
 492                         default:
 493                                 e1000_validate_option(&adapter->itr, &opt,
 494                                         adapter);
 495                                 /* save the setting, because the dynamic bits
 496                                  * change itr.
 497                                  * clear the lower two bits because they are
 498                                  * used as control */
 499                                 adapter->itr_setting = adapter->itr & ~3;
 500                                 break;
 501                         }
 502                 } else {
 503                         adapter->itr_setting = opt.def;
 504                         adapter->itr = 20000;
 505                 }
 506         }
 507         { /* Smart Power Down */
 508                 opt = (struct e1000_option) {
 509                         .type = enable_option,
 510                         .name = "PHY Smart Power Down",
 511                         .err  = "defaulting to Disabled",
 512                         .def  = OPTION_DISABLED
 513                 };
 514
 515                 if (num_SmartPowerDownEnable > bd) {
 516                         unsigned int spd = SmartPowerDownEnable[bd];
 517                         e1000_validate_option(&spd, &opt, adapter);
 518                         adapter->smart_power_down = spd;
 519                 } else {
 520                         adapter->smart_power_down = opt.def;
 521                 }
 522         }
 523
 524         switch (adapter->hw.media_type) {
 525         case e1000_media_type_fiber:
 526         case e1000_media_type_internal_serdes:
 527                 e1000_check_fiber_options(adapter);
 528                 break;
 529         case e1000_media_type_copper:
 530                 e1000_check_copper_options(adapter);
 531                 break;
 532         default:
 533                 BUG();
 534         }
 535 }
 536
 537 /**
 538  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
 539  * @adapter: board private structure
 540  *
 541  * Handles speed and duplex options on fiber adapters
 542  **/
 543
 544 static void __devinit e1000_check_fiber_options(struct e1000_adapter *adapter)
 545 {
 546         int bd = adapter->bd_number;
 547         if (num_Speed > bd) {
 548                 e_dev_info("Speed not valid for fiber adapters, parameter "
 549                            "ignored\n");
 550         }
 551
 552         if (num_Duplex > bd) {
 553                 e_dev_info("Duplex not valid for fiber adapters, parameter "
 554                            "ignored\n");
 555         }
 556
 557         if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
 558                 e_dev_info("AutoNeg other than 1000/Full is not valid for fiber"
 559                            "adapters, parameter ignored\n");
 560         }
 561 }
 562
 563 /**
 564  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
 565  * @adapter: board private structure
 566  *
 567  * Handles speed and duplex options on copper adapters
 568  **/
 569
 570 static void __devinit e1000_check_copper_options(struct e1000_adapter *adapter)
 571 {
 572         struct e1000_option opt;
 573         unsigned int speed, dplx, an;
 574         int bd = adapter->bd_number;
 575
 576         { /* Speed */
 577                 static const struct e1000_opt_list speed_list[] = {
 578                         {          0, "" },
 579                         {   SPEED_10, "" },
 580                         {  SPEED_100, "" },
 581                         { SPEED_1000, "" }};
 582
 583                 opt = (struct e1000_option) {
 584                         .type = list_option,
 585                         .name = "Speed",
 586                         .err  = "parameter ignored",
 587                         .def  = 0,
 588                         .arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
 589                                          .p = speed_list }}
 590                 };
 591
 592                 if (num_Speed > bd) {
 593                         speed = Speed[bd];
 594                         e1000_validate_option(&speed, &opt, adapter);
 595                 } else {
 596                         speed = opt.def;
 597                 }
 598         }
 599         { /* Duplex */
 600                 static const struct e1000_opt_list dplx_list[] = {
 601                         {           0, "" },
 602                         { HALF_DUPLEX, "" },
 603                         { FULL_DUPLEX, "" }};
 604
 605                 opt = (struct e1000_option) {
 606                         .type = list_option,
 607                         .name = "Duplex",
 608                         .err  = "parameter ignored",
 609                         .def  = 0,
 610                         .arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
 611                                          .p = dplx_list }}
 612                 };
 613
 614                 if (num_Duplex > bd) {
 615                         dplx = Duplex[bd];
 616                         e1000_validate_option(&dplx, &opt, adapter);
 617                 } else {
 618                         dplx = opt.def;
 619                 }
 620         }
 621
 622         if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
 623                 e_dev_info("AutoNeg specified along with Speed or Duplex, "
 624                            "parameter ignored\n");
 625                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
 626         } else { /* Autoneg */
 627                 static const struct e1000_opt_list an_list[] =
 628                         #define AA "AutoNeg advertising "
 629                         {{ 0x01, AA "10/HD" },
 630                          { 0x02, AA "10/FD" },
 631                          { 0x03, AA "10/FD, 10/HD" },
 632                          { 0x04, AA "100/HD" },
 633                          { 0x05, AA "100/HD, 10/HD" },
 634                          { 0x06, AA "100/HD, 10/FD" },
 635                          { 0x07, AA "100/HD, 10/FD, 10/HD" },
 636                          { 0x08, AA "100/FD" },
 637                          { 0x09, AA "100/FD, 10/HD" },
 638                          { 0x0a, AA "100/FD, 10/FD" },
 639                          { 0x0b, AA "100/FD, 10/FD, 10/HD" },
 640                          { 0x0c, AA "100/FD, 100/HD" },
 641                          { 0x0d, AA "100/FD, 100/HD, 10/HD" },
 642                          { 0x0e, AA "100/FD, 100/HD, 10/FD" },
 643                          { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
 644                          { 0x20, AA "1000/FD" },
 645                          { 0x21, AA "1000/FD, 10/HD" },
 646                          { 0x22, AA "1000/FD, 10/FD" },
 647                          { 0x23, AA "1000/FD, 10/FD, 10/HD" },
 648                          { 0x24, AA "1000/FD, 100/HD" },
 649                          { 0x25, AA "1000/FD, 100/HD, 10/HD" },
 650                          { 0x26, AA "1000/FD, 100/HD, 10/FD" },
 651                          { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
 652                          { 0x28, AA "1000/FD, 100/FD" },
 653                          { 0x29, AA "1000/FD, 100/FD, 10/HD" },
 654                          { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
 655                          { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
 656                          { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
 657                          { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
 658                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
 659                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
 660
 661                 opt = (struct e1000_option) {
 662                         .type = list_option,
 663                         .name = "AutoNeg",
 664                         .err  = "parameter ignored",
 665                         .def  = AUTONEG_ADV_DEFAULT,
 666                         .arg  = { .l = { .nr = ARRAY_SIZE(an_list),
 667                                          .p = an_list }}
 668                 };
 669
 670                 if (num_AutoNeg > bd) {
 671                         an = AutoNeg[bd];
 672                         e1000_validate_option(&an, &opt, adapter);
 673                 } else {
 674                         an = opt.def;
 675                 }
 676                 adapter->hw.autoneg_advertised = an;
 677         }
 678
 679         switch (speed + dplx) {
 680         case 0:
 681                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 682                 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
 683                         e_dev_info("Speed and duplex autonegotiation "
 684                                    "enabled\n");
 685                 break;
 686         case HALF_DUPLEX:
 687                 e_dev_info("Half Duplex specified without Speed\n");
 688                 e_dev_info("Using Autonegotiation at Half Duplex only\n");
 689                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 690                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 691                                                  ADVERTISE_100_HALF;
 692                 break;
 693         case FULL_DUPLEX:
 694                 e_dev_info("Full Duplex specified without Speed\n");
 695                 e_dev_info("Using Autonegotiation at Full Duplex only\n");
 696                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 697                 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
 698                                                  ADVERTISE_100_FULL |
 699                                                  ADVERTISE_1000_FULL;
 700                 break;
 701         case SPEED_10:
 702                 e_dev_info("10 Mbps Speed specified without Duplex\n");
 703                 e_dev_info("Using Autonegotiation at 10 Mbps only\n");
 704                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 705                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 706                                                  ADVERTISE_10_FULL;
 707                 break;
 708         case SPEED_10 + HALF_DUPLEX:
 709                 e_dev_info("Forcing to 10 Mbps Half Duplex\n");
 710                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 711                 adapter->hw.forced_speed_duplex = e1000_10_half;
 712                 adapter->hw.autoneg_advertised = 0;
 713                 break;
 714         case SPEED_10 + FULL_DUPLEX:
 715                 e_dev_info("Forcing to 10 Mbps Full Duplex\n");
 716                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 717                 adapter->hw.forced_speed_duplex = e1000_10_full;
 718                 adapter->hw.autoneg_advertised = 0;
 719                 break;
 720         case SPEED_100:
 721                 e_dev_info("100 Mbps Speed specified without Duplex\n");
 722                 e_dev_info("Using Autonegotiation at 100 Mbps only\n");
 723                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 724                 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
 725                                                  ADVERTISE_100_FULL;
 726                 break;
 727         case SPEED_100 + HALF_DUPLEX:
 728                 e_dev_info("Forcing to 100 Mbps Half Duplex\n");
 729                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 730                 adapter->hw.forced_speed_duplex = e1000_100_half;
 731                 adapter->hw.autoneg_advertised = 0;
 732                 break;
 733         case SPEED_100 + FULL_DUPLEX:
 734                 e_dev_info("Forcing to 100 Mbps Full Duplex\n");
 735                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 736                 adapter->hw.forced_speed_duplex = e1000_100_full;
 737                 adapter->hw.autoneg_advertised = 0;
 738                 break;
 739         case SPEED_1000:
 740                 e_dev_info("1000 Mbps Speed specified without Duplex\n");
 741                 goto full_duplex_only;
 742         case SPEED_1000 + HALF_DUPLEX:
 743                 e_dev_info("Half Duplex is not supported at 1000 Mbps\n");
 744                 /* fall through */
 745         case SPEED_1000 + FULL_DUPLEX:
 746 full_duplex_only:
 747                 e_dev_info("Using Autonegotiation at 1000 Mbps Full Duplex "
 748                            "only\n");
 749                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 750                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
 751                 break;
 752         default:
 753                 BUG();
 754         }
 755
 756         /* Speed, AutoNeg and MDI/MDI-X must all play nice */
 757         if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
 758                 e_dev_info("Speed, AutoNeg and MDI-X specs are incompatible. "
 759                            "Setting MDI-X to a compatible value.\n");
 760         }
 761 }
 762