Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
[linux-2.6] / 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