Merge branch 'janitor'
[linux-2.6] / drivers / net / e1000 / e1000_param.c
1 /*******************************************************************************
2
3   
4   Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
5   
6   This program is free software; you can redistribute it and/or modify it 
7   under the terms of the GNU General Public License as published by the Free 
8   Software Foundation; either version 2 of the License, or (at your option) 
9   any later version.
10   
11   This program is distributed in the hope that it will be useful, but WITHOUT 
12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
13   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
14   more details.
15   
16   You should have received a copy of the GNU General Public License along with
17   this program; if not, write to the Free Software Foundation, Inc., 59 
18   Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19   
20   The full GNU General Public License is included in this distribution in the
21   file called LICENSE.
22   
23   Contact Information:
24   Linux NICS <linux.nics@intel.com>
25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27 *******************************************************************************/
28
29 #include "e1000.h"
30
31 /* This is the only thing that needs to be changed to adjust the
32  * maximum number of ports that the driver can manage.
33  */
34
35 #define E1000_MAX_NIC 32
36
37 #define OPTION_UNSET   -1
38 #define OPTION_DISABLED 0
39 #define OPTION_ENABLED  1
40
41 /* All parameters are treated the same, as an integer array of values.
42  * This macro just reduces the need to repeat the same declaration code
43  * over and over (plus this helps to avoid typo bugs).
44  */
45
46 #define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
47 #define E1000_PARAM(X, desc) \
48         static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
49         static int num_##X = 0; \
50         module_param_array_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
61 E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
62
63 /* Receive Descriptor Count
64  *
65  * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
66  * Valid Range: 80-4096 for 82544 and newer
67  *
68  * Default Value: 256
69  */
70
71 E1000_PARAM(RxDescriptors, "Number of receive descriptors");
72
73 /* User Specified Speed Override
74  *
75  * Valid Range: 0, 10, 100, 1000
76  *  - 0    - auto-negotiate at all supported speeds
77  *  - 10   - only link at 10 Mbps
78  *  - 100  - only link at 100 Mbps
79  *  - 1000 - only link at 1000 Mbps
80  *
81  * Default Value: 0
82  */
83
84 E1000_PARAM(Speed, "Speed setting");
85
86 /* User Specified Duplex Override
87  *
88  * Valid Range: 0-2
89  *  - 0 - auto-negotiate for duplex
90  *  - 1 - only link at half duplex
91  *  - 2 - only link at full duplex
92  *
93  * Default Value: 0
94  */
95
96 E1000_PARAM(Duplex, "Duplex setting");
97
98 /* Auto-negotiation Advertisement Override
99  *
100  * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
101  *
102  * The AutoNeg value is a bit mask describing which speed and duplex
103  * combinations should be advertised during auto-negotiation.
104  * The supported speed and duplex modes are listed below
105  *
106  * Bit           7     6     5      4      3     2     1      0
107  * Speed (Mbps)  N/A   N/A   1000   N/A    100   100   10     10
108  * Duplex                    Full          Full  Half  Full   Half
109  *
110  * Default Value: 0x2F (copper); 0x20 (fiber)
111  */
112
113 E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
114
115 /* User Specified Flow Control Override
116  *
117  * Valid Range: 0-3
118  *  - 0 - No Flow Control
119  *  - 1 - Rx only, respond to PAUSE frames but do not generate them
120  *  - 2 - Tx only, generate PAUSE frames but ignore them on receive
121  *  - 3 - Full Flow Control Support
122  *
123  * Default Value: Read flow control settings from the EEPROM
124  */
125
126 E1000_PARAM(FlowControl, "Flow Control setting");
127
128 /* XsumRX - Receive Checksum Offload Enable/Disable
129  *
130  * Valid Range: 0, 1
131  *  - 0 - disables all checksum offload
132  *  - 1 - enables receive IP/TCP/UDP checksum offload
133  *        on 82543 and newer -based NICs
134  *
135  * Default Value: 1
136  */
137
138 E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
139
140 /* Transmit Interrupt Delay in units of 1.024 microseconds
141  *
142  * Valid Range: 0-65535
143  *
144  * Default Value: 64
145  */
146
147 E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
148
149 /* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
150  *
151  * Valid Range: 0-65535
152  *
153  * Default Value: 0
154  */
155
156 E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
157
158 /* Receive Interrupt Delay in units of 1.024 microseconds
159  *
160  * Valid Range: 0-65535
161  *
162  * Default Value: 0
163  */
164
165 E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
166
167 /* Receive Absolute Interrupt Delay in units of 1.024 microseconds
168  *
169  * Valid Range: 0-65535
170  *
171  * Default Value: 128
172  */
173
174 E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
175
176 /* Interrupt Throttle Rate (interrupts/sec)
177  *
178  * Valid Range: 100-100000 (0=off, 1=dynamic)
179  *
180  * Default Value: 8000
181  */
182
183 E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
184
185 #define AUTONEG_ADV_DEFAULT  0x2F
186 #define AUTONEG_ADV_MASK     0x2F
187 #define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
188
189 #define DEFAULT_RDTR                   0
190 #define MAX_RXDELAY               0xFFFF
191 #define MIN_RXDELAY                    0
192
193 #define DEFAULT_RADV                 128
194 #define MAX_RXABSDELAY            0xFFFF
195 #define MIN_RXABSDELAY                 0
196
197 #define DEFAULT_TIDV                  64
198 #define MAX_TXDELAY               0xFFFF
199 #define MIN_TXDELAY                    0
200
201 #define DEFAULT_TADV                  64
202 #define MAX_TXABSDELAY            0xFFFF
203 #define MIN_TXABSDELAY                 0
204
205 #define DEFAULT_ITR                 8000
206 #define MAX_ITR                   100000
207 #define MIN_ITR                      100
208
209 struct e1000_option {
210         enum { enable_option, range_option, list_option } type;
211         char *name;
212         char *err;
213         int  def;
214         union {
215                 struct { /* range_option info */
216                         int min;
217                         int max;
218                 } r;
219                 struct { /* list_option info */
220                         int nr;
221                         struct e1000_opt_list { int i; char *str; } *p;
222                 } l;
223         } arg;
224 };
225
226 static int __devinit
227 e1000_validate_option(int *value, struct e1000_option *opt,
228                 struct e1000_adapter *adapter)
229 {
230         if(*value == OPTION_UNSET) {
231                 *value = opt->def;
232                 return 0;
233         }
234
235         switch (opt->type) {
236         case enable_option:
237                 switch (*value) {
238                 case OPTION_ENABLED:
239                         DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
240                         return 0;
241                 case OPTION_DISABLED:
242                         DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
243                         return 0;
244                 }
245                 break;
246         case range_option:
247                 if(*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
248                         DPRINTK(PROBE, INFO,
249                                         "%s set to %i\n", opt->name, *value);
250                         return 0;
251                 }
252                 break;
253         case list_option: {
254                 int i;
255                 struct e1000_opt_list *ent;
256
257                 for(i = 0; i < opt->arg.l.nr; i++) {
258                         ent = &opt->arg.l.p[i];
259                         if(*value == ent->i) {
260                                 if(ent->str[0] != '\0')
261                                         DPRINTK(PROBE, INFO, "%s\n", ent->str);
262                                 return 0;
263                         }
264                 }
265         }
266                 break;
267         default:
268                 BUG();
269         }
270
271         DPRINTK(PROBE, INFO, "Invalid %s specified (%i) %s\n",
272                opt->name, *value, opt->err);
273         *value = opt->def;
274         return -1;
275 }
276
277 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
278 static void e1000_check_copper_options(struct e1000_adapter *adapter);
279
280 /**
281  * e1000_check_options - Range Checking for Command Line Parameters
282  * @adapter: board private structure
283  *
284  * This routine checks all command line parameters for valid user
285  * input.  If an invalid value is given, or if no user specified
286  * value exists, a default value is used.  The final value is stored
287  * in a variable in the adapter structure.
288  **/
289
290 void __devinit
291 e1000_check_options(struct e1000_adapter *adapter)
292 {
293         int bd = adapter->bd_number;
294         if(bd >= E1000_MAX_NIC) {
295                 DPRINTK(PROBE, NOTICE,
296                        "Warning: no configuration for board #%i\n", bd);
297                 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
298         }
299
300         { /* Transmit Descriptor Count */
301                 struct e1000_option opt = {
302                         .type = range_option,
303                         .name = "Transmit Descriptors",
304                         .err  = "using default of "
305                                 __MODULE_STRING(E1000_DEFAULT_TXD),
306                         .def  = E1000_DEFAULT_TXD,
307                         .arg  = { .r = { .min = E1000_MIN_TXD }}
308                 };
309                 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
310                 int i;
311                 e1000_mac_type mac_type = adapter->hw.mac_type;
312                 opt.arg.r.max = mac_type < e1000_82544 ?
313                         E1000_MAX_TXD : E1000_MAX_82544_TXD;
314
315                 if (num_TxDescriptors > bd) {
316                         tx_ring->count = TxDescriptors[bd];
317                         e1000_validate_option(&tx_ring->count, &opt, adapter);
318                         E1000_ROUNDUP(tx_ring->count, 
319                                                 REQ_TX_DESCRIPTOR_MULTIPLE);
320                 } else {
321                         tx_ring->count = opt.def;
322                 }
323                 for (i = 0; i < adapter->num_tx_queues; i++)
324                         tx_ring[i].count = tx_ring->count;
325         }
326         { /* Receive Descriptor Count */
327                 struct e1000_option opt = {
328                         .type = range_option,
329                         .name = "Receive Descriptors",
330                         .err  = "using default of "
331                                 __MODULE_STRING(E1000_DEFAULT_RXD),
332                         .def  = E1000_DEFAULT_RXD,
333                         .arg  = { .r = { .min = E1000_MIN_RXD }}
334                 };
335                 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
336                 int i;
337                 e1000_mac_type mac_type = adapter->hw.mac_type;
338                 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
339                         E1000_MAX_82544_RXD;
340
341                 if (num_RxDescriptors > bd) {
342                         rx_ring->count = RxDescriptors[bd];
343                         e1000_validate_option(&rx_ring->count, &opt, adapter);
344                         E1000_ROUNDUP(rx_ring->count, 
345                                                 REQ_RX_DESCRIPTOR_MULTIPLE);
346                 } else {
347                         rx_ring->count = opt.def;
348                 }
349                 for (i = 0; i < adapter->num_rx_queues; i++)
350                         rx_ring[i].count = rx_ring->count;
351         }
352         { /* Checksum Offload Enable/Disable */
353                 struct e1000_option opt = {
354                         .type = enable_option,
355                         .name = "Checksum Offload",
356                         .err  = "defaulting to Enabled",
357                         .def  = OPTION_ENABLED
358                 };
359
360                 if (num_XsumRX > bd) {
361                         int rx_csum = XsumRX[bd];
362                         e1000_validate_option(&rx_csum, &opt, adapter);
363                         adapter->rx_csum = rx_csum;
364                 } else {
365                         adapter->rx_csum = opt.def;
366                 }
367         }
368         { /* Flow Control */
369
370                 struct e1000_opt_list fc_list[] =
371                         {{ e1000_fc_none,    "Flow Control Disabled" },
372                          { e1000_fc_rx_pause,"Flow Control Receive Only" },
373                          { e1000_fc_tx_pause,"Flow Control Transmit Only" },
374                          { e1000_fc_full,    "Flow Control Enabled" },
375                          { e1000_fc_default, "Flow Control Hardware Default" }};
376
377                 struct e1000_option opt = {
378                         .type = list_option,
379                         .name = "Flow Control",
380                         .err  = "reading default settings from EEPROM",
381                         .def  = e1000_fc_default,
382                         .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
383                                          .p = fc_list }}
384                 };
385
386                 if (num_FlowControl > bd) {
387                         int fc = FlowControl[bd];
388                         e1000_validate_option(&fc, &opt, adapter);
389                         adapter->hw.fc = adapter->hw.original_fc = fc;
390                 } else {
391                         adapter->hw.fc = adapter->hw.original_fc = opt.def;
392                 }
393         }
394         { /* Transmit Interrupt Delay */
395                 struct e1000_option opt = {
396                         .type = range_option,
397                         .name = "Transmit Interrupt Delay",
398                         .err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
399                         .def  = DEFAULT_TIDV,
400                         .arg  = { .r = { .min = MIN_TXDELAY,
401                                          .max = MAX_TXDELAY }}
402                 };
403
404                 if (num_TxIntDelay > bd) {
405                         adapter->tx_int_delay = TxIntDelay[bd];
406                         e1000_validate_option(&adapter->tx_int_delay, &opt, 
407                                                                 adapter);
408                 } else {
409                         adapter->tx_int_delay = opt.def;
410                 }
411         }
412         { /* Transmit Absolute Interrupt Delay */
413                 struct e1000_option opt = {
414                         .type = range_option,
415                         .name = "Transmit Absolute Interrupt Delay",
416                         .err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
417                         .def  = DEFAULT_TADV,
418                         .arg  = { .r = { .min = MIN_TXABSDELAY,
419                                          .max = MAX_TXABSDELAY }}
420                 };
421
422                 if (num_TxAbsIntDelay > bd) {
423                         adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
424                         e1000_validate_option(&adapter->tx_abs_int_delay, &opt, 
425                                                                 adapter);
426                 } else {
427                         adapter->tx_abs_int_delay = opt.def;
428                 }
429         }
430         { /* Receive Interrupt Delay */
431                 struct e1000_option opt = {
432                         .type = range_option,
433                         .name = "Receive Interrupt Delay",
434                         .err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
435                         .def  = DEFAULT_RDTR,
436                         .arg  = { .r = { .min = MIN_RXDELAY,
437                                          .max = MAX_RXDELAY }}
438                 };
439
440                 if (num_RxIntDelay > bd) {
441                         adapter->rx_int_delay = RxIntDelay[bd];
442                         e1000_validate_option(&adapter->rx_int_delay, &opt, 
443                                                                 adapter);
444                 } else {
445                         adapter->rx_int_delay = opt.def;
446                 }
447         }
448         { /* Receive Absolute Interrupt Delay */
449                 struct e1000_option opt = {
450                         .type = range_option,
451                         .name = "Receive Absolute Interrupt Delay",
452                         .err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
453                         .def  = DEFAULT_RADV,
454                         .arg  = { .r = { .min = MIN_RXABSDELAY,
455                                          .max = MAX_RXABSDELAY }}
456                 };
457
458                 if (num_RxAbsIntDelay > bd) {
459                         adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
460                         e1000_validate_option(&adapter->rx_abs_int_delay, &opt, 
461                                                                 adapter);
462                 } else {
463                         adapter->rx_abs_int_delay = opt.def;
464                 }
465         }
466         { /* Interrupt Throttling Rate */
467                 struct e1000_option opt = {
468                         .type = range_option,
469                         .name = "Interrupt Throttling Rate (ints/sec)",
470                         .err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
471                         .def  = DEFAULT_ITR,
472                         .arg  = { .r = { .min = MIN_ITR,
473                                          .max = MAX_ITR }}
474                 };
475
476                 if (num_InterruptThrottleRate > bd) {
477                         adapter->itr = InterruptThrottleRate[bd];
478                         switch(adapter->itr) {
479                         case 0:
480                                 DPRINTK(PROBE, INFO, "%s turned off\n", 
481                                         opt.name);
482                                 break;
483                         case 1:
484                                 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n", 
485                                         opt.name);
486                                 break;
487                         default:
488                                 e1000_validate_option(&adapter->itr, &opt, 
489                                         adapter);
490                                 break;
491                         }
492                 } else {
493                         adapter->itr = opt.def;
494                 }
495         }
496
497         switch(adapter->hw.media_type) {
498         case e1000_media_type_fiber:
499         case e1000_media_type_internal_serdes:
500                 e1000_check_fiber_options(adapter);
501                 break;
502         case e1000_media_type_copper:
503                 e1000_check_copper_options(adapter);
504                 break;
505         default:
506                 BUG();
507         }
508 }
509
510 /**
511  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
512  * @adapter: board private structure
513  *
514  * Handles speed and duplex options on fiber adapters
515  **/
516
517 static void __devinit
518 e1000_check_fiber_options(struct e1000_adapter *adapter)
519 {
520         int bd = adapter->bd_number;
521         if(num_Speed > bd) {
522                 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
523                        "parameter ignored\n");
524         }
525
526         if(num_Duplex > bd) {
527                 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
528                        "parameter ignored\n");
529         }
530
531         if((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
532                 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
533                                  "not valid for fiber adapters, "
534                                  "parameter ignored\n");
535         }
536 }
537
538 /**
539  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
540  * @adapter: board private structure
541  *
542  * Handles speed and duplex options on copper adapters
543  **/
544
545 static void __devinit
546 e1000_check_copper_options(struct e1000_adapter *adapter)
547 {
548         int speed, dplx, an;
549         int bd = adapter->bd_number;
550
551         { /* Speed */
552                 struct e1000_opt_list speed_list[] = {{          0, "" },
553                                                       {   SPEED_10, "" },
554                                                       {  SPEED_100, "" },
555                                                       { SPEED_1000, "" }};
556
557                 struct e1000_option opt = {
558                         .type = list_option,
559                         .name = "Speed",
560                         .err  = "parameter ignored",
561                         .def  = 0,
562                         .arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
563                                          .p = speed_list }}
564                 };
565
566                 if (num_Speed > bd) {
567                         speed = Speed[bd];
568                         e1000_validate_option(&speed, &opt, adapter);
569                 } else {
570                         speed = opt.def;
571                 }
572         }
573         { /* Duplex */
574                 struct e1000_opt_list dplx_list[] = {{           0, "" },
575                                                      { HALF_DUPLEX, "" },
576                                                      { FULL_DUPLEX, "" }};
577
578                 struct e1000_option opt = {
579                         .type = list_option,
580                         .name = "Duplex",
581                         .err  = "parameter ignored",
582                         .def  = 0,
583                         .arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
584                                          .p = dplx_list }}
585                 };
586
587                 if (e1000_check_phy_reset_block(&adapter->hw)) {
588                         DPRINTK(PROBE, INFO,
589                                 "Link active due to SoL/IDER Session. "
590                                 "Speed/Duplex/AutoNeg parameter ignored.\n");
591                         return;
592                 }
593                 if (num_Duplex > bd) {
594                         dplx = Duplex[bd];
595                         e1000_validate_option(&dplx, &opt, adapter);
596                 } else {
597                         dplx = opt.def;
598                 }
599         }
600
601         if((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
602                 DPRINTK(PROBE, INFO,
603                        "AutoNeg specified along with Speed or Duplex, "
604                        "parameter ignored\n");
605                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
606         } else { /* Autoneg */
607                 struct e1000_opt_list an_list[] =
608                         #define AA "AutoNeg advertising "
609                         {{ 0x01, AA "10/HD" },
610                          { 0x02, AA "10/FD" },
611                          { 0x03, AA "10/FD, 10/HD" },
612                          { 0x04, AA "100/HD" },
613                          { 0x05, AA "100/HD, 10/HD" },
614                          { 0x06, AA "100/HD, 10/FD" },
615                          { 0x07, AA "100/HD, 10/FD, 10/HD" },
616                          { 0x08, AA "100/FD" },
617                          { 0x09, AA "100/FD, 10/HD" },
618                          { 0x0a, AA "100/FD, 10/FD" },
619                          { 0x0b, AA "100/FD, 10/FD, 10/HD" },
620                          { 0x0c, AA "100/FD, 100/HD" },
621                          { 0x0d, AA "100/FD, 100/HD, 10/HD" },
622                          { 0x0e, AA "100/FD, 100/HD, 10/FD" },
623                          { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
624                          { 0x20, AA "1000/FD" },
625                          { 0x21, AA "1000/FD, 10/HD" },
626                          { 0x22, AA "1000/FD, 10/FD" },
627                          { 0x23, AA "1000/FD, 10/FD, 10/HD" },
628                          { 0x24, AA "1000/FD, 100/HD" },
629                          { 0x25, AA "1000/FD, 100/HD, 10/HD" },
630                          { 0x26, AA "1000/FD, 100/HD, 10/FD" },
631                          { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
632                          { 0x28, AA "1000/FD, 100/FD" },
633                          { 0x29, AA "1000/FD, 100/FD, 10/HD" },
634                          { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
635                          { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
636                          { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
637                          { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
638                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
639                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
640
641                 struct e1000_option opt = {
642                         .type = list_option,
643                         .name = "AutoNeg",
644                         .err  = "parameter ignored",
645                         .def  = AUTONEG_ADV_DEFAULT,
646                         .arg  = { .l = { .nr = ARRAY_SIZE(an_list),
647                                          .p = an_list }}
648                 };
649
650                 if (num_AutoNeg > bd) {
651                         an = AutoNeg[bd];
652                         e1000_validate_option(&an, &opt, adapter);
653                 } else {
654                         an = opt.def;
655                 }
656                 adapter->hw.autoneg_advertised = an;
657         }
658
659         switch (speed + dplx) {
660         case 0:
661                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
662                 if((num_Speed > bd) && (speed != 0 || dplx != 0))
663                         DPRINTK(PROBE, INFO,
664                                "Speed and duplex autonegotiation enabled\n");
665                 break;
666         case HALF_DUPLEX:
667                 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
668                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
669                         "Half Duplex only\n");
670                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
671                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
672                                                  ADVERTISE_100_HALF;
673                 break;
674         case FULL_DUPLEX:
675                 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
676                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
677                         "Full Duplex only\n");
678                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
679                 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
680                                                  ADVERTISE_100_FULL |
681                                                  ADVERTISE_1000_FULL;
682                 break;
683         case SPEED_10:
684                 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
685                         "without Duplex\n");
686                 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
687                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
688                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
689                                                  ADVERTISE_10_FULL;
690                 break;
691         case SPEED_10 + HALF_DUPLEX:
692                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
693                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
694                 adapter->hw.forced_speed_duplex = e1000_10_half;
695                 adapter->hw.autoneg_advertised = 0;
696                 break;
697         case SPEED_10 + FULL_DUPLEX:
698                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
699                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
700                 adapter->hw.forced_speed_duplex = e1000_10_full;
701                 adapter->hw.autoneg_advertised = 0;
702                 break;
703         case SPEED_100:
704                 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
705                         "without Duplex\n");
706                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
707                         "100 Mbps only\n");
708                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
709                 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
710                                                  ADVERTISE_100_FULL;
711                 break;
712         case SPEED_100 + HALF_DUPLEX:
713                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
714                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
715                 adapter->hw.forced_speed_duplex = e1000_100_half;
716                 adapter->hw.autoneg_advertised = 0;
717                 break;
718         case SPEED_100 + FULL_DUPLEX:
719                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
720                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
721                 adapter->hw.forced_speed_duplex = e1000_100_full;
722                 adapter->hw.autoneg_advertised = 0;
723                 break;
724         case SPEED_1000:
725                 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
726                         "Duplex\n");
727                 DPRINTK(PROBE, INFO,
728                         "Using Autonegotiation at 1000 Mbps "
729                         "Full Duplex only\n");
730                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
731                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
732                 break;
733         case SPEED_1000 + HALF_DUPLEX:
734                 DPRINTK(PROBE, INFO,
735                         "Half Duplex is not supported at 1000 Mbps\n");
736                 DPRINTK(PROBE, INFO,
737                         "Using Autonegotiation at 1000 Mbps "
738                         "Full Duplex only\n");
739                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
740                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
741                 break;
742         case SPEED_1000 + FULL_DUPLEX:
743                 DPRINTK(PROBE, INFO,
744                        "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
745                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
746                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
747                 break;
748         default:
749                 BUG();
750         }
751
752         /* Speed, AutoNeg and MDI/MDI-X must all play nice */
753         if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
754                 DPRINTK(PROBE, INFO,
755                         "Speed, AutoNeg and MDI-X specifications are "
756                         "incompatible. Setting MDI-X to a compatible value.\n");
757         }
758 }
759