drivers/net/e1000/e1000_param.c

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