drivers/net/e1000/e1000_param.c

   1 /*******************************************************************************
   2
   3
   4   Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by the Free
   8   Software Foundation; either version 2 of the License, or (at your option)
   9   any later version.
  10
  11   This program is distributed in the hope that it will be useful, but WITHOUT
  12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14   more details.
  15
  16   You should have received a copy of the GNU General Public License along with
  17   this program; if not, write to the Free Software Foundation, Inc., 59
  18   Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20   The full GNU General Public License is included in this distribution in the
  21   file called LICENSE.
  22
  23   Contact Information:
  24   Linux NICS <linux.nics@intel.com>
  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(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
  61 E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
  62
  63 /* Receive Descriptor Count
  64  *
  65  * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
  66  * Valid Range: 80-4096 for 82544 and newer
  67  *
  68  * Default Value: 256
  69  */
  70
  71 E1000_PARAM(RxDescriptors, "Number of receive descriptors");
  72
  73 /* User Specified Speed Override
  74  *
  75  * Valid Range: 0, 10, 100, 1000
  76  *  - 0    - auto-negotiate at all supported speeds
  77  *  - 10   - only link at 10 Mbps
  78  *  - 100  - only link at 100 Mbps
  79  *  - 1000 - only link at 1000 Mbps
  80  *
  81  * Default Value: 0
  82  */
  83
  84 E1000_PARAM(Speed, "Speed setting");
  85
  86 /* User Specified Duplex Override
  87  *
  88  * Valid Range: 0-2
  89  *  - 0 - auto-negotiate for duplex
  90  *  - 1 - only link at half duplex
  91  *  - 2 - only link at full duplex
  92  *
  93  * Default Value: 0
  94  */
  95
  96 E1000_PARAM(Duplex, "Duplex setting");
  97
  98 /* Auto-negotiation Advertisement Override
  99  *
 100  * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
 101  *
 102  * The AutoNeg value is a bit mask describing which speed and duplex
 103  * combinations should be advertised during auto-negotiation.
 104  * The supported speed and duplex modes are listed below
 105  *
 106  * Bit           7     6     5      4      3     2     1      0
 107  * Speed (Mbps)  N/A   N/A   1000   N/A    100   100   10     10
 108  * Duplex                    Full          Full  Half  Full   Half
 109  *
 110  * Default Value: 0x2F (copper); 0x20 (fiber)
 111  */
 112
 113 E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
 114
 115 /* User Specified Flow Control Override
 116  *
 117  * Valid Range: 0-3
 118  *  - 0 - No Flow Control
 119  *  - 1 - Rx only, respond to PAUSE frames but do not generate them
 120  *  - 2 - Tx only, generate PAUSE frames but ignore them on receive
 121  *  - 3 - Full Flow Control Support
 122  *
 123  * Default Value: Read flow control settings from the EEPROM
 124  */
 125
 126 E1000_PARAM(FlowControl, "Flow Control setting");
 127
 128 /* XsumRX - Receive Checksum Offload Enable/Disable
 129  *
 130  * Valid Range: 0, 1
 131  *  - 0 - disables all checksum offload
 132  *  - 1 - enables receive IP/TCP/UDP checksum offload
 133  *        on 82543 and newer -based NICs
 134  *
 135  * Default Value: 1
 136  */
 137
 138 E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
 139
 140 /* Transmit Interrupt Delay in units of 1.024 microseconds
 141  *
 142  * Valid Range: 0-65535
 143  *
 144  * Default Value: 64
 145  */
 146
 147 E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
 148
 149 /* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
 150  *
 151  * Valid Range: 0-65535
 152  *
 153  * Default Value: 0
 154  */
 155
 156 E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
 157
 158 /* Receive Interrupt Delay in units of 1.024 microseconds
 159  *
 160  * Valid Range: 0-65535
 161  *
 162  * Default Value: 0
 163  */
 164
 165 E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
 166
 167 /* Receive Absolute Interrupt Delay in units of 1.024 microseconds
 168  *
 169  * Valid Range: 0-65535
 170  *
 171  * Default Value: 128
 172  */
 173
 174 E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
 175
 176 /* Interrupt Throttle Rate (interrupts/sec)
 177  *
 178  * Valid Range: 100-100000 (0=off, 1=dynamic)
 179  *
 180  * Default Value: 1
 181  */
 182
 183 E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
 184
 185 #define AUTONEG_ADV_DEFAULT  0x2F
 186 #define AUTONEG_ADV_MASK     0x2F
 187 #define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
 188
 189 #define DEFAULT_RDTR                   0
 190 #define MAX_RXDELAY               0xFFFF
 191 #define MIN_RXDELAY                    0
 192
 193 #define DEFAULT_RADV                 128
 194 #define MAX_RXABSDELAY            0xFFFF
 195 #define MIN_RXABSDELAY                 0
 196
 197 #define DEFAULT_TIDV                  64
 198 #define MAX_TXDELAY               0xFFFF
 199 #define MIN_TXDELAY                    0
 200
 201 #define DEFAULT_TADV                  64
 202 #define MAX_TXABSDELAY            0xFFFF
 203 #define MIN_TXABSDELAY                 0
 204
 205 #define DEFAULT_ITR                 8000
 206 #define MAX_ITR                   100000
 207 #define MIN_ITR                      100
 208
 209 struct e1000_option {
 210         enum { enable_option, range_option, list_option } type;
 211         char *name;
 212         char *err;
 213         int  def;
 214         union {
 215                 struct { /* range_option info */
 216                         int min;
 217                         int max;
 218                 } r;
 219                 struct { /* list_option info */
 220                         int nr;
 221                         struct e1000_opt_list { int i; char *str; } *p;
 222                 } l;
 223         } arg;
 224 };
 225
 226 static int __devinit
 227 e1000_validate_option(int *value, struct e1000_option *opt,
 228                 struct e1000_adapter *adapter)
 229 {
 230         if(*value == OPTION_UNSET) {
 231                 *value = opt->def;
 232                 return 0;
 233         }
 234
 235         switch (opt->type) {
 236         case enable_option:
 237                 switch (*value) {
 238                 case OPTION_ENABLED:
 239                         DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
 240                         return 0;
 241                 case OPTION_DISABLED:
 242                         DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
 243                         return 0;
 244                 }
 245                 break;
 246         case range_option:
 247                 if(*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
 248                         DPRINTK(PROBE, INFO,
 249                                         "%s set to %i\n", opt->name, *value);
 250                         return 0;
 251                 }
 252                 break;
 253         case list_option: {
 254                 int i;
 255                 struct e1000_opt_list *ent;
 256
 257                 for(i = 0; i < opt->arg.l.nr; i++) {
 258                         ent = &opt->arg.l.p[i];
 259                         if(*value == ent->i) {
 260                                 if(ent->str[0] != '\0')
 261                                         DPRINTK(PROBE, INFO, "%s\n", ent->str);
 262                                 return 0;
 263                         }
 264                 }
 265         }
 266                 break;
 267         default:
 268                 BUG();
 269         }
 270
 271         DPRINTK(PROBE, INFO, "Invalid %s specified (%i) %s\n",
 272                opt->name, *value, opt->err);
 273         *value = opt->def;
 274         return -1;
 275 }
 276
 277 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
 278 static void e1000_check_copper_options(struct e1000_adapter *adapter);
 279
 280 /**
 281  * e1000_check_options - Range Checking for Command Line Parameters
 282  * @adapter: board private structure
 283  *
 284  * This routine checks all command line parameters for valid user
 285  * input.  If an invalid value is given, or if no user specified
 286  * value exists, a default value is used.  The final value is stored
 287  * in a variable in the adapter structure.
 288  **/
 289
 290 void __devinit
 291 e1000_check_options(struct e1000_adapter *adapter)
 292 {
 293         int bd = adapter->bd_number;
 294         if(bd >= E1000_MAX_NIC) {
 295                 DPRINTK(PROBE, NOTICE,
 296                        "Warning: no configuration for board #%i\n", bd);
 297                 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
 298         }
 299
 300         { /* Transmit Descriptor Count */
 301                 struct e1000_option opt = {
 302                         .type = range_option,
 303                         .name = "Transmit Descriptors",
 304                         .err  = "using default of "
 305                                 __MODULE_STRING(E1000_DEFAULT_TXD),
 306                         .def  = E1000_DEFAULT_TXD,
 307                         .arg  = { .r = { .min = E1000_MIN_TXD }}
 308                 };
 309                 struct e1000_desc_ring *tx_ring = &adapter->tx_ring;
 310                 e1000_mac_type mac_type = adapter->hw.mac_type;
 311                 opt.arg.r.max = mac_type < e1000_82544 ?
 312                         E1000_MAX_TXD : E1000_MAX_82544_TXD;
 313
 314                 if (num_TxDescriptors > bd) {
 315                         tx_ring->count = TxDescriptors[bd];
 316                         e1000_validate_option(&tx_ring->count, &opt, adapter);
 317                         E1000_ROUNDUP(tx_ring->count,
 318                                                 REQ_TX_DESCRIPTOR_MULTIPLE);
 319                 } else {
 320                         tx_ring->count = opt.def;
 321                 }
 322         }
 323         { /* Receive Descriptor Count */
 324                 struct e1000_option opt = {
 325                         .type = range_option,
 326                         .name = "Receive Descriptors",
 327                         .err  = "using default of "
 328                                 __MODULE_STRING(E1000_DEFAULT_RXD),
 329                         .def  = E1000_DEFAULT_RXD,
 330                         .arg  = { .r = { .min = E1000_MIN_RXD }}
 331                 };
 332                 struct e1000_desc_ring *rx_ring = &adapter->rx_ring;
 333                 e1000_mac_type mac_type = adapter->hw.mac_type;
 334                 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
 335                         E1000_MAX_82544_RXD;
 336
 337                 if (num_RxDescriptors > bd) {
 338                         rx_ring->count = RxDescriptors[bd];
 339                         e1000_validate_option(&rx_ring->count, &opt, adapter);
 340                         E1000_ROUNDUP(rx_ring->count,
 341                                                 REQ_RX_DESCRIPTOR_MULTIPLE);
 342                 } else {
 343                         rx_ring->count = opt.def;
 344                 }
 345         }
 346         { /* Checksum Offload Enable/Disable */
 347                 struct e1000_option opt = {
 348                         .type = enable_option,
 349                         .name = "Checksum Offload",
 350                         .err  = "defaulting to Enabled",
 351                         .def  = OPTION_ENABLED
 352                 };
 353
 354                 if (num_XsumRX > bd) {
 355                         int rx_csum = XsumRX[bd];
 356                         e1000_validate_option(&rx_csum, &opt, adapter);
 357                         adapter->rx_csum = rx_csum;
 358                 } else {
 359                         adapter->rx_csum = opt.def;
 360                 }
 361         }
 362         { /* Flow Control */
 363
 364                 struct e1000_opt_list fc_list[] =
 365                         {{ e1000_fc_none,    "Flow Control Disabled" },
 366                          { e1000_fc_rx_pause,"Flow Control Receive Only" },
 367                          { e1000_fc_tx_pause,"Flow Control Transmit Only" },
 368                          { e1000_fc_full,    "Flow Control Enabled" },
 369                          { e1000_fc_default, "Flow Control Hardware Default" }};
 370
 371                 struct e1000_option opt = {
 372                         .type = list_option,
 373                         .name = "Flow Control",
 374                         .err  = "reading default settings from EEPROM",
 375                         .def  = e1000_fc_default,
 376                         .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
 377                                          .p = fc_list }}
 378                 };
 379
 380                 if (num_FlowControl > bd) {
 381                         int fc = FlowControl[bd];
 382                         e1000_validate_option(&fc, &opt, adapter);
 383                         adapter->hw.fc = adapter->hw.original_fc = fc;
 384                 } else {
 385                         adapter->hw.fc = opt.def;
 386                 }
 387         }
 388         { /* Transmit Interrupt Delay */
 389                 struct e1000_option opt = {
 390                         .type = range_option,
 391                         .name = "Transmit Interrupt Delay",
 392                         .err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
 393                         .def  = DEFAULT_TIDV,
 394                         .arg  = { .r = { .min = MIN_TXDELAY,
 395                                          .max = MAX_TXDELAY }}
 396                 };
 397
 398                 if (num_TxIntDelay > bd) {
 399                         adapter->tx_int_delay = TxIntDelay[bd];
 400                         e1000_validate_option(&adapter->tx_int_delay, &opt,
 401                                                                 adapter);
 402                 } else {
 403                         adapter->tx_int_delay = opt.def;
 404                 }
 405         }
 406         { /* Transmit Absolute Interrupt Delay */
 407                 struct e1000_option opt = {
 408                         .type = range_option,
 409                         .name = "Transmit Absolute Interrupt Delay",
 410                         .err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
 411                         .def  = DEFAULT_TADV,
 412                         .arg  = { .r = { .min = MIN_TXABSDELAY,
 413                                          .max = MAX_TXABSDELAY }}
 414                 };
 415
 416                 if (num_TxAbsIntDelay > bd) {
 417                         adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
 418                         e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
 419                                                                 adapter);
 420                 } else {
 421                         adapter->tx_abs_int_delay = opt.def;
 422                 }
 423         }
 424         { /* Receive Interrupt Delay */
 425                 struct e1000_option opt = {
 426                         .type = range_option,
 427                         .name = "Receive Interrupt Delay",
 428                         .err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
 429                         .def  = DEFAULT_RDTR,
 430                         .arg  = { .r = { .min = MIN_RXDELAY,
 431                                          .max = MAX_RXDELAY }}
 432                 };
 433
 434                 if (num_RxIntDelay > bd) {
 435                         adapter->rx_int_delay = RxIntDelay[bd];
 436                         e1000_validate_option(&adapter->rx_int_delay, &opt,
 437                                                                 adapter);
 438                 } else {
 439                         adapter->rx_int_delay = opt.def;
 440                 }
 441         }
 442         { /* Receive Absolute Interrupt Delay */
 443                 struct e1000_option opt = {
 444                         .type = range_option,
 445                         .name = "Receive Absolute Interrupt Delay",
 446                         .err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
 447                         .def  = DEFAULT_RADV,
 448                         .arg  = { .r = { .min = MIN_RXABSDELAY,
 449                                          .max = MAX_RXABSDELAY }}
 450                 };
 451
 452                 if (num_RxAbsIntDelay > bd) {
 453                         adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
 454                         e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
 455                                                                 adapter);
 456                 } else {
 457                         adapter->rx_abs_int_delay = opt.def;
 458                 }
 459         }
 460         { /* Interrupt Throttling Rate */
 461                 struct e1000_option opt = {
 462                         .type = range_option,
 463                         .name = "Interrupt Throttling Rate (ints/sec)",
 464                         .err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
 465                         .def  = DEFAULT_ITR,
 466                         .arg  = { .r = { .min = MIN_ITR,
 467                                          .max = MAX_ITR }}
 468                 };
 469
 470                 if (num_InterruptThrottleRate > bd) {
 471                         adapter->itr = InterruptThrottleRate[bd];
 472                         switch(adapter->itr) {
 473                         case -1:
 474                                 adapter->itr = 1;
 475                                 break;
 476                         case 0:
 477                                 DPRINTK(PROBE, INFO, "%s turned off\n",
 478                                         opt.name);
 479                                 break;
 480                         case 1:
 481                                 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
 482                                         opt.name);
 483                                 break;
 484                         default:
 485                                 e1000_validate_option(&adapter->itr, &opt,
 486                                         adapter);
 487                                 break;
 488                         }
 489                 } else {
 490                         adapter->itr = 1;
 491                 }
 492         }
 493
 494         switch(adapter->hw.media_type) {
 495         case e1000_media_type_fiber:
 496         case e1000_media_type_internal_serdes:
 497                 e1000_check_fiber_options(adapter);
 498                 break;
 499         case e1000_media_type_copper:
 500                 e1000_check_copper_options(adapter);
 501                 break;
 502         default:
 503                 BUG();
 504         }
 505 }
 506
 507 /**
 508  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
 509  * @adapter: board private structure
 510  *
 511  * Handles speed and duplex options on fiber adapters
 512  **/
 513
 514 static void __devinit
 515 e1000_check_fiber_options(struct e1000_adapter *adapter)
 516 {
 517         int bd = adapter->bd_number;
 518         if(num_Speed > bd) {
 519                 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
 520                        "parameter ignored\n");
 521         }
 522
 523         if(num_Duplex > bd) {
 524                 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
 525                        "parameter ignored\n");
 526         }
 527
 528         if((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
 529                 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
 530                                  "not valid for fiber adapters, "
 531                                  "parameter ignored\n");
 532         }
 533 }
 534
 535 /**
 536  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
 537  * @adapter: board private structure
 538  *
 539  * Handles speed and duplex options on copper adapters
 540  **/
 541
 542 static void __devinit
 543 e1000_check_copper_options(struct e1000_adapter *adapter)
 544 {
 545         int speed, dplx;
 546         int bd = adapter->bd_number;
 547
 548         { /* Speed */
 549                 struct e1000_opt_list speed_list[] = {{          0, "" },
 550                                                       {   SPEED_10, "" },
 551                                                       {  SPEED_100, "" },
 552                                                       { SPEED_1000, "" }};
 553
 554                 struct e1000_option opt = {
 555                         .type = list_option,
 556                         .name = "Speed",
 557                         .err  = "parameter ignored",
 558                         .def  = 0,
 559                         .arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
 560                                          .p = speed_list }}
 561                 };
 562
 563                 if (num_Speed > bd) {
 564                         speed = Speed[bd];
 565                         e1000_validate_option(&speed, &opt, adapter);
 566                 } else {
 567                         speed = opt.def;
 568                 }
 569         }
 570         { /* Duplex */
 571                 struct e1000_opt_list dplx_list[] = {{           0, "" },
 572                                                      { HALF_DUPLEX, "" },
 573                                                      { FULL_DUPLEX, "" }};
 574
 575                 struct e1000_option opt = {
 576                         .type = list_option,
 577                         .name = "Duplex",
 578                         .err  = "parameter ignored",
 579                         .def  = 0,
 580                         .arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
 581                                          .p = dplx_list }}
 582                 };
 583
 584                 if (num_Duplex > bd) {
 585                         dplx = Duplex[bd];
 586                         e1000_validate_option(&dplx, &opt, adapter);
 587                 } else {
 588                         dplx = opt.def;
 589                 }
 590         }
 591
 592         if((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
 593                 DPRINTK(PROBE, INFO,
 594                        "AutoNeg specified along with Speed or Duplex, "
 595                        "parameter ignored\n");
 596                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
 597         } else { /* Autoneg */
 598                 struct e1000_opt_list an_list[] =
 599                         #define AA "AutoNeg advertising "
 600                         {{ 0x01, AA "10/HD" },
 601                          { 0x02, AA "10/FD" },
 602                          { 0x03, AA "10/FD, 10/HD" },
 603                          { 0x04, AA "100/HD" },
 604                          { 0x05, AA "100/HD, 10/HD" },
 605                          { 0x06, AA "100/HD, 10/FD" },
 606                          { 0x07, AA "100/HD, 10/FD, 10/HD" },
 607                          { 0x08, AA "100/FD" },
 608                          { 0x09, AA "100/FD, 10/HD" },
 609                          { 0x0a, AA "100/FD, 10/FD" },
 610                          { 0x0b, AA "100/FD, 10/FD, 10/HD" },
 611                          { 0x0c, AA "100/FD, 100/HD" },
 612                          { 0x0d, AA "100/FD, 100/HD, 10/HD" },
 613                          { 0x0e, AA "100/FD, 100/HD, 10/FD" },
 614                          { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
 615                          { 0x20, AA "1000/FD" },
 616                          { 0x21, AA "1000/FD, 10/HD" },
 617                          { 0x22, AA "1000/FD, 10/FD" },
 618                          { 0x23, AA "1000/FD, 10/FD, 10/HD" },
 619                          { 0x24, AA "1000/FD, 100/HD" },
 620                          { 0x25, AA "1000/FD, 100/HD, 10/HD" },
 621                          { 0x26, AA "1000/FD, 100/HD, 10/FD" },
 622                          { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
 623                          { 0x28, AA "1000/FD, 100/FD" },
 624                          { 0x29, AA "1000/FD, 100/FD, 10/HD" },
 625                          { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
 626                          { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
 627                          { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
 628                          { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
 629                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
 630                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
 631
 632                 struct e1000_option opt = {
 633                         .type = list_option,
 634                         .name = "AutoNeg",
 635                         .err  = "parameter ignored",
 636                         .def  = AUTONEG_ADV_DEFAULT,
 637                         .arg  = { .l = { .nr = ARRAY_SIZE(an_list),
 638                                          .p = an_list }}
 639                 };
 640
 641                 int an = AutoNeg[bd];
 642                 e1000_validate_option(&an, &opt, adapter);
 643                 adapter->hw.autoneg_advertised = an;
 644         }
 645
 646         switch (speed + dplx) {
 647         case 0:
 648                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 649                 if((num_Speed > bd) && (speed != 0 || dplx != 0))
 650                         DPRINTK(PROBE, INFO,
 651                                "Speed and duplex autonegotiation enabled\n");
 652                 break;
 653         case HALF_DUPLEX:
 654                 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
 655                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 656                         "Half Duplex only\n");
 657                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 658                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 659                                                  ADVERTISE_100_HALF;
 660                 break;
 661         case FULL_DUPLEX:
 662                 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
 663                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 664                         "Full Duplex only\n");
 665                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 666                 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
 667                                                  ADVERTISE_100_FULL |
 668                                                  ADVERTISE_1000_FULL;
 669                 break;
 670         case SPEED_10:
 671                 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
 672                         "without Duplex\n");
 673                 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
 674                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 675                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 676                                                  ADVERTISE_10_FULL;
 677                 break;
 678         case SPEED_10 + HALF_DUPLEX:
 679                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
 680                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 681                 adapter->hw.forced_speed_duplex = e1000_10_half;
 682                 adapter->hw.autoneg_advertised = 0;
 683                 break;
 684         case SPEED_10 + FULL_DUPLEX:
 685                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
 686                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 687                 adapter->hw.forced_speed_duplex = e1000_10_full;
 688                 adapter->hw.autoneg_advertised = 0;
 689                 break;
 690         case SPEED_100:
 691                 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
 692                         "without Duplex\n");
 693                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 694                         "100 Mbps only\n");
 695                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 696                 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
 697                                                  ADVERTISE_100_FULL;
 698                 break;
 699         case SPEED_100 + HALF_DUPLEX:
 700                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
 701                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 702                 adapter->hw.forced_speed_duplex = e1000_100_half;
 703                 adapter->hw.autoneg_advertised = 0;
 704                 break;
 705         case SPEED_100 + FULL_DUPLEX:
 706                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
 707                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 708                 adapter->hw.forced_speed_duplex = e1000_100_full;
 709                 adapter->hw.autoneg_advertised = 0;
 710                 break;
 711         case SPEED_1000:
 712                 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
 713                         "Duplex\n");
 714                 DPRINTK(PROBE, INFO,
 715                         "Using Autonegotiation at 1000 Mbps "
 716                         "Full Duplex only\n");
 717                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 718                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
 719                 break;
 720         case SPEED_1000 + HALF_DUPLEX:
 721                 DPRINTK(PROBE, INFO,
 722                         "Half Duplex is not supported at 1000 Mbps\n");
 723                 DPRINTK(PROBE, INFO,
 724                         "Using Autonegotiation at 1000 Mbps "
 725                         "Full Duplex only\n");
 726                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 727                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
 728                 break;
 729         case SPEED_1000 + FULL_DUPLEX:
 730                 DPRINTK(PROBE, INFO,
 731                        "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
 732                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 733                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
 734                 break;
 735         default:
 736                 BUG();
 737         }
 738
 739         /* Speed, AutoNeg and MDI/MDI-X must all play nice */
 740         if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
 741                 DPRINTK(PROBE, INFO,
 742                         "Speed, AutoNeg and MDI-X specifications are "
 743                         "incompatible. Setting MDI-X to a compatible value.\n");
 744         }
 745 }
 746