drivers/net/e1000/e1000_param.c

   1 /*******************************************************************************
   2
   3
   4   Copyright(c) 1999 - 2006 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   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  26   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27
  28 *******************************************************************************/
  29
  30 #include "e1000.h"
  31
  32 /* This is the only thing that needs to be changed to adjust the
  33  * maximum number of ports that the driver can manage.
  34  */
  35
  36 #define E1000_MAX_NIC 32
  37
  38 #define OPTION_UNSET   -1
  39 #define OPTION_DISABLED 0
  40 #define OPTION_ENABLED  1
  41
  42 /* All parameters are treated the same, as an integer array of values.
  43  * This macro just reduces the need to repeat the same declaration code
  44  * over and over (plus this helps to avoid typo bugs).
  45  */
  46
  47 #define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
  48 #define E1000_PARAM(X, desc) \
  49         static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
  50         static int num_##X = 0; \
  51         module_param_array_named(X, X, int, &num_##X, 0); \
  52         MODULE_PARM_DESC(X, desc);
  53
  54 /* Transmit Descriptor Count
  55  *
  56  * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
  57  * Valid Range: 80-4096 for 82544 and newer
  58  *
  59  * Default Value: 256
  60  */
  61
  62 E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
  63
  64 /* Receive Descriptor Count
  65  *
  66  * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
  67  * Valid Range: 80-4096 for 82544 and newer
  68  *
  69  * Default Value: 256
  70  */
  71
  72 E1000_PARAM(RxDescriptors, "Number of receive descriptors");
  73
  74 /* User Specified Speed Override
  75  *
  76  * Valid Range: 0, 10, 100, 1000
  77  *  - 0    - auto-negotiate at all supported speeds
  78  *  - 10   - only link at 10 Mbps
  79  *  - 100  - only link at 100 Mbps
  80  *  - 1000 - only link at 1000 Mbps
  81  *
  82  * Default Value: 0
  83  */
  84
  85 E1000_PARAM(Speed, "Speed setting");
  86
  87 /* User Specified Duplex Override
  88  *
  89  * Valid Range: 0-2
  90  *  - 0 - auto-negotiate for duplex
  91  *  - 1 - only link at half duplex
  92  *  - 2 - only link at full duplex
  93  *
  94  * Default Value: 0
  95  */
  96
  97 E1000_PARAM(Duplex, "Duplex setting");
  98
  99 /* Auto-negotiation Advertisement Override
 100  *
 101  * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
 102  *
 103  * The AutoNeg value is a bit mask describing which speed and duplex
 104  * combinations should be advertised during auto-negotiation.
 105  * The supported speed and duplex modes are listed below
 106  *
 107  * Bit           7     6     5      4      3     2     1      0
 108  * Speed (Mbps)  N/A   N/A   1000   N/A    100   100   10     10
 109  * Duplex                    Full          Full  Half  Full   Half
 110  *
 111  * Default Value: 0x2F (copper); 0x20 (fiber)
 112  */
 113
 114 E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
 115
 116 /* User Specified Flow Control Override
 117  *
 118  * Valid Range: 0-3
 119  *  - 0 - No Flow Control
 120  *  - 1 - Rx only, respond to PAUSE frames but do not generate them
 121  *  - 2 - Tx only, generate PAUSE frames but ignore them on receive
 122  *  - 3 - Full Flow Control Support
 123  *
 124  * Default Value: Read flow control settings from the EEPROM
 125  */
 126
 127 E1000_PARAM(FlowControl, "Flow Control setting");
 128
 129 /* XsumRX - Receive Checksum Offload Enable/Disable
 130  *
 131  * Valid Range: 0, 1
 132  *  - 0 - disables all checksum offload
 133  *  - 1 - enables receive IP/TCP/UDP checksum offload
 134  *        on 82543 and newer -based NICs
 135  *
 136  * Default Value: 1
 137  */
 138
 139 E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
 140
 141 /* Transmit Interrupt Delay in units of 1.024 microseconds
 142  *
 143  * Valid Range: 0-65535
 144  *
 145  * Default Value: 64
 146  */
 147
 148 E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
 149
 150 /* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
 151  *
 152  * Valid Range: 0-65535
 153  *
 154  * Default Value: 0
 155  */
 156
 157 E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
 158
 159 /* Receive Interrupt Delay in units of 1.024 microseconds
 160  *
 161  * Valid Range: 0-65535
 162  *
 163  * Default Value: 0
 164  */
 165
 166 E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
 167
 168 /* Receive Absolute Interrupt Delay in units of 1.024 microseconds
 169  *
 170  * Valid Range: 0-65535
 171  *
 172  * Default Value: 128
 173  */
 174
 175 E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
 176
 177 /* Interrupt Throttle Rate (interrupts/sec)
 178  *
 179  * Valid Range: 100-100000 (0=off, 1=dynamic)
 180  *
 181  * Default Value: 8000
 182  */
 183
 184 E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
 185
 186 #define AUTONEG_ADV_DEFAULT  0x2F
 187 #define AUTONEG_ADV_MASK     0x2F
 188 #define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
 189
 190 #define DEFAULT_RDTR                   0
 191 #define MAX_RXDELAY               0xFFFF
 192 #define MIN_RXDELAY                    0
 193
 194 #define DEFAULT_RADV                 128
 195 #define MAX_RXABSDELAY            0xFFFF
 196 #define MIN_RXABSDELAY                 0
 197
 198 #define DEFAULT_TIDV                  64
 199 #define MAX_TXDELAY               0xFFFF
 200 #define MIN_TXDELAY                    0
 201
 202 #define DEFAULT_TADV                  64
 203 #define MAX_TXABSDELAY            0xFFFF
 204 #define MIN_TXABSDELAY                 0
 205
 206 #define DEFAULT_ITR                 8000
 207 #define MAX_ITR                   100000
 208 #define MIN_ITR                      100
 209
 210 struct e1000_option {
 211         enum { enable_option, range_option, list_option } type;
 212         char *name;
 213         char *err;
 214         int  def;
 215         union {
 216                 struct { /* range_option info */
 217                         int min;
 218                         int max;
 219                 } r;
 220                 struct { /* list_option info */
 221                         int nr;
 222                         struct e1000_opt_list { int i; char *str; } *p;
 223                 } l;
 224         } arg;
 225 };
 226
 227 static int __devinit
 228 e1000_validate_option(int *value, struct e1000_option *opt,
 229                 struct e1000_adapter *adapter)
 230 {
 231         if (*value == OPTION_UNSET) {
 232                 *value = opt->def;
 233                 return 0;
 234         }
 235
 236         switch (opt->type) {
 237         case enable_option:
 238                 switch (*value) {
 239                 case OPTION_ENABLED:
 240                         DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
 241                         return 0;
 242                 case OPTION_DISABLED:
 243                         DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
 244                         return 0;
 245                 }
 246                 break;
 247         case range_option:
 248                 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
 249                         DPRINTK(PROBE, INFO,
 250                                         "%s set to %i\n", opt->name, *value);
 251                         return 0;
 252                 }
 253                 break;
 254         case list_option: {
 255                 int i;
 256                 struct e1000_opt_list *ent;
 257
 258                 for (i = 0; i < opt->arg.l.nr; i++) {
 259                         ent = &opt->arg.l.p[i];
 260                         if (*value == ent->i) {
 261                                 if (ent->str[0] != '\0')
 262                                         DPRINTK(PROBE, INFO, "%s\n", ent->str);
 263                                 return 0;
 264                         }
 265                 }
 266         }
 267                 break;
 268         default:
 269                 BUG();
 270         }
 271
 272         DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
 273                opt->name, *value, opt->err);
 274         *value = opt->def;
 275         return -1;
 276 }
 277
 278 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
 279 static void e1000_check_copper_options(struct e1000_adapter *adapter);
 280
 281 /**
 282  * e1000_check_options - Range Checking for Command Line Parameters
 283  * @adapter: board private structure
 284  *
 285  * This routine checks all command line parameters for valid user
 286  * input.  If an invalid value is given, or if no user specified
 287  * value exists, a default value is used.  The final value is stored
 288  * in a variable in the adapter structure.
 289  **/
 290
 291 void __devinit
 292 e1000_check_options(struct e1000_adapter *adapter)
 293 {
 294         int bd = adapter->bd_number;
 295         if (bd >= E1000_MAX_NIC) {
 296                 DPRINTK(PROBE, NOTICE,
 297                        "Warning: no configuration for board #%i\n", bd);
 298                 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
 299         }
 300
 301         { /* Transmit Descriptor Count */
 302                 struct e1000_option opt = {
 303                         .type = range_option,
 304                         .name = "Transmit Descriptors",
 305                         .err  = "using default of "
 306                                 __MODULE_STRING(E1000_DEFAULT_TXD),
 307                         .def  = E1000_DEFAULT_TXD,
 308                         .arg  = { .r = { .min = E1000_MIN_TXD }}
 309                 };
 310                 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
 311                 int i;
 312                 e1000_mac_type mac_type = adapter->hw.mac_type;
 313                 opt.arg.r.max = mac_type < e1000_82544 ?
 314                         E1000_MAX_TXD : E1000_MAX_82544_TXD;
 315
 316                 if (num_TxDescriptors > bd) {
 317                         tx_ring->count = TxDescriptors[bd];
 318                         e1000_validate_option(&tx_ring->count, &opt, adapter);
 319                         E1000_ROUNDUP(tx_ring->count,
 320                                                 REQ_TX_DESCRIPTOR_MULTIPLE);
 321                 } else {
 322                         tx_ring->count = opt.def;
 323                 }
 324                 for (i = 0; i < adapter->num_tx_queues; i++)
 325                         tx_ring[i].count = tx_ring->count;
 326         }
 327         { /* Receive Descriptor Count */
 328                 struct e1000_option opt = {
 329                         .type = range_option,
 330                         .name = "Receive Descriptors",
 331                         .err  = "using default of "
 332                                 __MODULE_STRING(E1000_DEFAULT_RXD),
 333                         .def  = E1000_DEFAULT_RXD,
 334                         .arg  = { .r = { .min = E1000_MIN_RXD }}
 335                 };
 336                 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
 337                 int i;
 338                 e1000_mac_type mac_type = adapter->hw.mac_type;
 339                 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
 340                         E1000_MAX_82544_RXD;
 341
 342                 if (num_RxDescriptors > bd) {
 343                         rx_ring->count = RxDescriptors[bd];
 344                         e1000_validate_option(&rx_ring->count, &opt, adapter);
 345                         E1000_ROUNDUP(rx_ring->count,
 346                                                 REQ_RX_DESCRIPTOR_MULTIPLE);
 347                 } else {
 348                         rx_ring->count = opt.def;
 349                 }
 350                 for (i = 0; i < adapter->num_rx_queues; i++)
 351                         rx_ring[i].count = rx_ring->count;
 352         }
 353         { /* Checksum Offload Enable/Disable */
 354                 struct e1000_option opt = {
 355                         .type = enable_option,
 356                         .name = "Checksum Offload",
 357                         .err  = "defaulting to Enabled",
 358                         .def  = OPTION_ENABLED
 359                 };
 360
 361                 if (num_XsumRX > bd) {
 362                         int rx_csum = XsumRX[bd];
 363                         e1000_validate_option(&rx_csum, &opt, adapter);
 364                         adapter->rx_csum = rx_csum;
 365                 } else {
 366                         adapter->rx_csum = opt.def;
 367                 }
 368         }
 369         { /* Flow Control */
 370
 371                 struct e1000_opt_list fc_list[] =
 372                         {{ e1000_fc_none,    "Flow Control Disabled" },
 373                          { e1000_fc_rx_pause,"Flow Control Receive Only" },
 374                          { e1000_fc_tx_pause,"Flow Control Transmit Only" },
 375                          { e1000_fc_full,    "Flow Control Enabled" },
 376                          { e1000_fc_default, "Flow Control Hardware Default" }};
 377
 378                 struct e1000_option opt = {
 379                         .type = list_option,
 380                         .name = "Flow Control",
 381                         .err  = "reading default settings from EEPROM",
 382                         .def  = e1000_fc_default,
 383                         .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
 384                                          .p = fc_list }}
 385                 };
 386
 387                 if (num_FlowControl > bd) {
 388                         int fc = FlowControl[bd];
 389                         e1000_validate_option(&fc, &opt, adapter);
 390                         adapter->hw.fc = adapter->hw.original_fc = fc;
 391                 } else {
 392                         adapter->hw.fc = adapter->hw.original_fc = opt.def;
 393                 }
 394         }
 395         { /* Transmit Interrupt Delay */
 396                 struct e1000_option opt = {
 397                         .type = range_option,
 398                         .name = "Transmit Interrupt Delay",
 399                         .err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
 400                         .def  = DEFAULT_TIDV,
 401                         .arg  = { .r = { .min = MIN_TXDELAY,
 402                                          .max = MAX_TXDELAY }}
 403                 };
 404
 405                 if (num_TxIntDelay > bd) {
 406                         adapter->tx_int_delay = TxIntDelay[bd];
 407                         e1000_validate_option(&adapter->tx_int_delay, &opt,
 408                                                                 adapter);
 409                 } else {
 410                         adapter->tx_int_delay = opt.def;
 411                 }
 412         }
 413         { /* Transmit Absolute Interrupt Delay */
 414                 struct e1000_option opt = {
 415                         .type = range_option,
 416                         .name = "Transmit Absolute Interrupt Delay",
 417                         .err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
 418                         .def  = DEFAULT_TADV,
 419                         .arg  = { .r = { .min = MIN_TXABSDELAY,
 420                                          .max = MAX_TXABSDELAY }}
 421                 };
 422
 423                 if (num_TxAbsIntDelay > bd) {
 424                         adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
 425                         e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
 426                                                                 adapter);
 427                 } else {
 428                         adapter->tx_abs_int_delay = opt.def;
 429                 }
 430         }
 431         { /* Receive Interrupt Delay */
 432                 struct e1000_option opt = {
 433                         .type = range_option,
 434                         .name = "Receive Interrupt Delay",
 435                         .err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
 436                         .def  = DEFAULT_RDTR,
 437                         .arg  = { .r = { .min = MIN_RXDELAY,
 438                                          .max = MAX_RXDELAY }}
 439                 };
 440
 441                 if (num_RxIntDelay > bd) {
 442                         adapter->rx_int_delay = RxIntDelay[bd];
 443                         e1000_validate_option(&adapter->rx_int_delay, &opt,
 444                                                                 adapter);
 445                 } else {
 446                         adapter->rx_int_delay = opt.def;
 447                 }
 448         }
 449         { /* Receive Absolute Interrupt Delay */
 450                 struct e1000_option opt = {
 451                         .type = range_option,
 452                         .name = "Receive Absolute Interrupt Delay",
 453                         .err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
 454                         .def  = DEFAULT_RADV,
 455                         .arg  = { .r = { .min = MIN_RXABSDELAY,
 456                                          .max = MAX_RXABSDELAY }}
 457                 };
 458
 459                 if (num_RxAbsIntDelay > bd) {
 460                         adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
 461                         e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
 462                                                                 adapter);
 463                 } else {
 464                         adapter->rx_abs_int_delay = opt.def;
 465                 }
 466         }
 467         { /* Interrupt Throttling Rate */
 468                 struct e1000_option opt = {
 469                         .type = range_option,
 470                         .name = "Interrupt Throttling Rate (ints/sec)",
 471                         .err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
 472                         .def  = DEFAULT_ITR,
 473                         .arg  = { .r = { .min = MIN_ITR,
 474                                          .max = MAX_ITR }}
 475                 };
 476
 477                 if (num_InterruptThrottleRate > bd) {
 478                         adapter->itr = InterruptThrottleRate[bd];
 479                         switch (adapter->itr) {
 480                         case 0:
 481                                 DPRINTK(PROBE, INFO, "%s turned off\n",
 482                                         opt.name);
 483                                 break;
 484                         case 1:
 485                                 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
 486                                         opt.name);
 487                                 break;
 488                         default:
 489                                 e1000_validate_option(&adapter->itr, &opt,
 490                                         adapter);
 491                                 break;
 492                         }
 493                 } else {
 494                         adapter->itr = opt.def;
 495                 }
 496         }
 497
 498         switch (adapter->hw.media_type) {
 499         case e1000_media_type_fiber:
 500         case e1000_media_type_internal_serdes:
 501                 e1000_check_fiber_options(adapter);
 502                 break;
 503         case e1000_media_type_copper:
 504                 e1000_check_copper_options(adapter);
 505                 break;
 506         default:
 507                 BUG();
 508         }
 509 }
 510
 511 /**
 512  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
 513  * @adapter: board private structure
 514  *
 515  * Handles speed and duplex options on fiber adapters
 516  **/
 517
 518 static void __devinit
 519 e1000_check_fiber_options(struct e1000_adapter *adapter)
 520 {
 521         int bd = adapter->bd_number;
 522         if (num_Speed > bd) {
 523                 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
 524                        "parameter ignored\n");
 525         }
 526
 527         if (num_Duplex > bd) {
 528                 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
 529                        "parameter ignored\n");
 530         }
 531
 532         if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
 533                 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
 534                                  "not valid for fiber adapters, "
 535                                  "parameter ignored\n");
 536         }
 537 }
 538
 539 /**
 540  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
 541  * @adapter: board private structure
 542  *
 543  * Handles speed and duplex options on copper adapters
 544  **/
 545
 546 static void __devinit
 547 e1000_check_copper_options(struct e1000_adapter *adapter)
 548 {
 549         int speed, dplx, an;
 550         int bd = adapter->bd_number;
 551
 552         { /* Speed */
 553                 struct e1000_opt_list speed_list[] = {{          0, "" },
 554                                                       {   SPEED_10, "" },
 555                                                       {  SPEED_100, "" },
 556                                                       { SPEED_1000, "" }};
 557
 558                 struct e1000_option opt = {
 559                         .type = list_option,
 560                         .name = "Speed",
 561                         .err  = "parameter ignored",
 562                         .def  = 0,
 563                         .arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
 564                                          .p = speed_list }}
 565                 };
 566
 567                 if (num_Speed > bd) {
 568                         speed = Speed[bd];
 569                         e1000_validate_option(&speed, &opt, adapter);
 570                 } else {
 571                         speed = opt.def;
 572                 }
 573         }
 574         { /* Duplex */
 575                 struct e1000_opt_list dplx_list[] = {{           0, "" },
 576                                                      { HALF_DUPLEX, "" },
 577                                                      { FULL_DUPLEX, "" }};
 578
 579                 struct e1000_option opt = {
 580                         .type = list_option,
 581                         .name = "Duplex",
 582                         .err  = "parameter ignored",
 583                         .def  = 0,
 584                         .arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
 585                                          .p = dplx_list }}
 586                 };
 587
 588                 if (e1000_check_phy_reset_block(&adapter->hw)) {
 589                         DPRINTK(PROBE, INFO,
 590                                 "Link active due to SoL/IDER Session. "
 591                                 "Speed/Duplex/AutoNeg parameter ignored.\n");
 592                         return;
 593                 }
 594                 if (num_Duplex > bd) {
 595                         dplx = Duplex[bd];
 596                         e1000_validate_option(&dplx, &opt, adapter);
 597                 } else {
 598                         dplx = opt.def;
 599                 }
 600         }
 601
 602         if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
 603                 DPRINTK(PROBE, INFO,
 604                        "AutoNeg specified along with Speed or Duplex, "
 605                        "parameter ignored\n");
 606                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
 607         } else { /* Autoneg */
 608                 struct e1000_opt_list an_list[] =
 609                         #define AA "AutoNeg advertising "
 610                         {{ 0x01, AA "10/HD" },
 611                          { 0x02, AA "10/FD" },
 612                          { 0x03, AA "10/FD, 10/HD" },
 613                          { 0x04, AA "100/HD" },
 614                          { 0x05, AA "100/HD, 10/HD" },
 615                          { 0x06, AA "100/HD, 10/FD" },
 616                          { 0x07, AA "100/HD, 10/FD, 10/HD" },
 617                          { 0x08, AA "100/FD" },
 618                          { 0x09, AA "100/FD, 10/HD" },
 619                          { 0x0a, AA "100/FD, 10/FD" },
 620                          { 0x0b, AA "100/FD, 10/FD, 10/HD" },
 621                          { 0x0c, AA "100/FD, 100/HD" },
 622                          { 0x0d, AA "100/FD, 100/HD, 10/HD" },
 623                          { 0x0e, AA "100/FD, 100/HD, 10/FD" },
 624                          { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
 625                          { 0x20, AA "1000/FD" },
 626                          { 0x21, AA "1000/FD, 10/HD" },
 627                          { 0x22, AA "1000/FD, 10/FD" },
 628                          { 0x23, AA "1000/FD, 10/FD, 10/HD" },
 629                          { 0x24, AA "1000/FD, 100/HD" },
 630                          { 0x25, AA "1000/FD, 100/HD, 10/HD" },
 631                          { 0x26, AA "1000/FD, 100/HD, 10/FD" },
 632                          { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
 633                          { 0x28, AA "1000/FD, 100/FD" },
 634                          { 0x29, AA "1000/FD, 100/FD, 10/HD" },
 635                          { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
 636                          { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
 637                          { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
 638                          { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
 639                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
 640                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
 641
 642                 struct e1000_option opt = {
 643                         .type = list_option,
 644                         .name = "AutoNeg",
 645                         .err  = "parameter ignored",
 646                         .def  = AUTONEG_ADV_DEFAULT,
 647                         .arg  = { .l = { .nr = ARRAY_SIZE(an_list),
 648                                          .p = an_list }}
 649                 };
 650
 651                 if (num_AutoNeg > bd) {
 652                         an = AutoNeg[bd];
 653                         e1000_validate_option(&an, &opt, adapter);
 654                 } else {
 655                         an = opt.def;
 656                 }
 657                 adapter->hw.autoneg_advertised = an;
 658         }
 659
 660         switch (speed + dplx) {
 661         case 0:
 662                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 663                 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
 664                         DPRINTK(PROBE, INFO,
 665                                "Speed and duplex autonegotiation enabled\n");
 666                 break;
 667         case HALF_DUPLEX:
 668                 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
 669                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 670                         "Half Duplex only\n");
 671                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 672                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 673                                                  ADVERTISE_100_HALF;
 674                 break;
 675         case FULL_DUPLEX:
 676                 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
 677                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 678                         "Full Duplex only\n");
 679                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 680                 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
 681                                                  ADVERTISE_100_FULL |
 682                                                  ADVERTISE_1000_FULL;
 683                 break;
 684         case SPEED_10:
 685                 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
 686                         "without Duplex\n");
 687                 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
 688                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 689                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
 690                                                  ADVERTISE_10_FULL;
 691                 break;
 692         case SPEED_10 + HALF_DUPLEX:
 693                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
 694                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 695                 adapter->hw.forced_speed_duplex = e1000_10_half;
 696                 adapter->hw.autoneg_advertised = 0;
 697                 break;
 698         case SPEED_10 + FULL_DUPLEX:
 699                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
 700                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 701                 adapter->hw.forced_speed_duplex = e1000_10_full;
 702                 adapter->hw.autoneg_advertised = 0;
 703                 break;
 704         case SPEED_100:
 705                 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
 706                         "without Duplex\n");
 707                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
 708                         "100 Mbps only\n");
 709                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 710                 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
 711                                                  ADVERTISE_100_FULL;
 712                 break;
 713         case SPEED_100 + HALF_DUPLEX:
 714                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
 715                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 716                 adapter->hw.forced_speed_duplex = e1000_100_half;
 717                 adapter->hw.autoneg_advertised = 0;
 718                 break;
 719         case SPEED_100 + FULL_DUPLEX:
 720                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
 721                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
 722                 adapter->hw.forced_speed_duplex = e1000_100_full;
 723                 adapter->hw.autoneg_advertised = 0;
 724                 break;
 725         case SPEED_1000:
 726                 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
 727                         "Duplex\n");
 728                 DPRINTK(PROBE, INFO,
 729                         "Using Autonegotiation at 1000 Mbps "
 730                         "Full Duplex only\n");
 731                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 732                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
 733                 break;
 734         case SPEED_1000 + HALF_DUPLEX:
 735                 DPRINTK(PROBE, INFO,
 736                         "Half Duplex is not supported at 1000 Mbps\n");
 737                 DPRINTK(PROBE, INFO,
 738                         "Using Autonegotiation at 1000 Mbps "
 739                         "Full Duplex only\n");
 740                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 741                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
 742                 break;
 743         case SPEED_1000 + FULL_DUPLEX:
 744                 DPRINTK(PROBE, INFO,
 745                        "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
 746                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
 747                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
 748                 break;
 749         default:
 750                 BUG();
 751         }
 752
 753         /* Speed, AutoNeg and MDI/MDI-X must all play nice */
 754         if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
 755                 DPRINTK(PROBE, INFO,
 756                         "Speed, AutoNeg and MDI-X specifications are "
 757                         "incompatible. Setting MDI-X to a compatible value.\n");
 758         }
 759 }
 760