Merge branch 'v2.6.24-rc1-lockdep' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6] / 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
217 e1000_validate_option(unsigned int *value,
218                       const struct e1000_option *opt,
219                       struct e1000_adapter *adapter)
220 {
221         if (*value == OPTION_UNSET) {
222                 *value = opt->def;
223                 return 0;
224         }
225
226         switch (opt->type) {
227         case enable_option:
228                 switch (*value) {
229                 case OPTION_ENABLED:
230                         DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
231                         return 0;
232                 case OPTION_DISABLED:
233                         DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
234                         return 0;
235                 }
236                 break;
237         case range_option:
238                 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
239                         DPRINTK(PROBE, INFO,
240                                         "%s set to %i\n", opt->name, *value);
241                         return 0;
242                 }
243                 break;
244         case list_option: {
245                 int i;
246                 struct e1000_opt_list *ent;
247
248                 for (i = 0; i < opt->arg.l.nr; i++) {
249                         ent = &opt->arg.l.p[i];
250                         if (*value == ent->i) {
251                                 if (ent->str[0] != '\0')
252                                         DPRINTK(PROBE, INFO, "%s\n", ent->str);
253                                 return 0;
254                         }
255                 }
256         }
257                 break;
258         default:
259                 BUG();
260         }
261
262         DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
263                opt->name, *value, opt->err);
264         *value = opt->def;
265         return -1;
266 }
267
268 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
269 static void e1000_check_copper_options(struct e1000_adapter *adapter);
270
271 /**
272  * e1000_check_options - Range Checking for Command Line Parameters
273  * @adapter: board private structure
274  *
275  * This routine checks all command line parameters for valid user
276  * input.  If an invalid value is given, or if no user specified
277  * value exists, a default value is used.  The final value is stored
278  * in a variable in the adapter structure.
279  **/
280
281 void __devinit
282 e1000_check_options(struct e1000_adapter *adapter)
283 {
284         int bd = adapter->bd_number;
285         if (bd >= E1000_MAX_NIC) {
286                 DPRINTK(PROBE, NOTICE,
287                        "Warning: no configuration for board #%i\n", bd);
288                 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
289         }
290
291         { /* Transmit Descriptor Count */
292                 struct e1000_option opt = {
293                         .type = range_option,
294                         .name = "Transmit Descriptors",
295                         .err  = "using default of "
296                                 __MODULE_STRING(E1000_DEFAULT_TXD),
297                         .def  = E1000_DEFAULT_TXD,
298                         .arg  = { .r = { .min = E1000_MIN_TXD }}
299                 };
300                 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
301                 int i;
302                 e1000_mac_type mac_type = adapter->hw.mac_type;
303                 opt.arg.r.max = mac_type < e1000_82544 ?
304                         E1000_MAX_TXD : E1000_MAX_82544_TXD;
305
306                 if (num_TxDescriptors > bd) {
307                         tx_ring->count = TxDescriptors[bd];
308                         e1000_validate_option(&tx_ring->count, &opt, adapter);
309                         tx_ring->count = ALIGN(tx_ring->count,
310                                                 REQ_TX_DESCRIPTOR_MULTIPLE);
311                 } else {
312                         tx_ring->count = opt.def;
313                 }
314                 for (i = 0; i < adapter->num_tx_queues; i++)
315                         tx_ring[i].count = tx_ring->count;
316         }
317         { /* Receive Descriptor Count */
318                 struct e1000_option opt = {
319                         .type = range_option,
320                         .name = "Receive Descriptors",
321                         .err  = "using default of "
322                                 __MODULE_STRING(E1000_DEFAULT_RXD),
323                         .def  = E1000_DEFAULT_RXD,
324                         .arg  = { .r = { .min = E1000_MIN_RXD }}
325                 };
326                 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
327                 int i;
328                 e1000_mac_type mac_type = adapter->hw.mac_type;
329                 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
330                         E1000_MAX_82544_RXD;
331
332                 if (num_RxDescriptors > bd) {
333                         rx_ring->count = RxDescriptors[bd];
334                         e1000_validate_option(&rx_ring->count, &opt, adapter);
335                         rx_ring->count = ALIGN(rx_ring->count,
336                                                 REQ_RX_DESCRIPTOR_MULTIPLE);
337                 } else {
338                         rx_ring->count = opt.def;
339                 }
340                 for (i = 0; i < adapter->num_rx_queues; i++)
341                         rx_ring[i].count = rx_ring->count;
342         }
343         { /* Checksum Offload Enable/Disable */
344                 struct e1000_option opt = {
345                         .type = enable_option,
346                         .name = "Checksum Offload",
347                         .err  = "defaulting to Enabled",
348                         .def  = OPTION_ENABLED
349                 };
350
351                 if (num_XsumRX > bd) {
352                         unsigned int rx_csum = XsumRX[bd];
353                         e1000_validate_option(&rx_csum, &opt, adapter);
354                         adapter->rx_csum = rx_csum;
355                 } else {
356                         adapter->rx_csum = opt.def;
357                 }
358         }
359         { /* Flow Control */
360
361                 struct e1000_opt_list fc_list[] =
362                         {{ E1000_FC_NONE,    "Flow Control Disabled" },
363                          { E1000_FC_RX_PAUSE,"Flow Control Receive Only" },
364                          { E1000_FC_TX_PAUSE,"Flow Control Transmit Only" },
365                          { E1000_FC_FULL,    "Flow Control Enabled" },
366                          { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
367
368                 struct e1000_option opt = {
369                         .type = list_option,
370                         .name = "Flow Control",
371                         .err  = "reading default settings from EEPROM",
372                         .def  = E1000_FC_DEFAULT,
373                         .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
374                                          .p = fc_list }}
375                 };
376
377                 if (num_FlowControl > bd) {
378                         unsigned int fc = FlowControl[bd];
379                         e1000_validate_option(&fc, &opt, adapter);
380                         adapter->hw.fc = adapter->hw.original_fc = fc;
381                 } else {
382                         adapter->hw.fc = adapter->hw.original_fc = opt.def;
383                 }
384         }
385         { /* Transmit Interrupt Delay */
386                 struct e1000_option opt = {
387                         .type = range_option,
388                         .name = "Transmit Interrupt Delay",
389                         .err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
390                         .def  = DEFAULT_TIDV,
391                         .arg  = { .r = { .min = MIN_TXDELAY,
392                                          .max = MAX_TXDELAY }}
393                 };
394
395                 if (num_TxIntDelay > bd) {
396                         adapter->tx_int_delay = TxIntDelay[bd];
397                         e1000_validate_option(&adapter->tx_int_delay, &opt,
398                                               adapter);
399                 } else {
400                         adapter->tx_int_delay = opt.def;
401                 }
402         }
403         { /* Transmit Absolute Interrupt Delay */
404                 struct e1000_option opt = {
405                         .type = range_option,
406                         .name = "Transmit Absolute Interrupt Delay",
407                         .err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
408                         .def  = DEFAULT_TADV,
409                         .arg  = { .r = { .min = MIN_TXABSDELAY,
410                                          .max = MAX_TXABSDELAY }}
411                 };
412
413                 if (num_TxAbsIntDelay > bd) {
414                         adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
415                         e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
416                                               adapter);
417                 } else {
418                         adapter->tx_abs_int_delay = opt.def;
419                 }
420         }
421         { /* Receive Interrupt Delay */
422                 struct e1000_option opt = {
423                         .type = range_option,
424                         .name = "Receive Interrupt Delay",
425                         .err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
426                         .def  = DEFAULT_RDTR,
427                         .arg  = { .r = { .min = MIN_RXDELAY,
428                                          .max = MAX_RXDELAY }}
429                 };
430
431                 if (num_RxIntDelay > bd) {
432                         adapter->rx_int_delay = RxIntDelay[bd];
433                         e1000_validate_option(&adapter->rx_int_delay, &opt,
434                                               adapter);
435                 } else {
436                         adapter->rx_int_delay = opt.def;
437                 }
438         }
439         { /* Receive Absolute Interrupt Delay */
440                 struct e1000_option opt = {
441                         .type = range_option,
442                         .name = "Receive Absolute Interrupt Delay",
443                         .err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
444                         .def  = DEFAULT_RADV,
445                         .arg  = { .r = { .min = MIN_RXABSDELAY,
446                                          .max = MAX_RXABSDELAY }}
447                 };
448
449                 if (num_RxAbsIntDelay > bd) {
450                         adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
451                         e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
452                                               adapter);
453                 } else {
454                         adapter->rx_abs_int_delay = opt.def;
455                 }
456         }
457         { /* Interrupt Throttling Rate */
458                 struct e1000_option opt = {
459                         .type = range_option,
460                         .name = "Interrupt Throttling Rate (ints/sec)",
461                         .err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
462                         .def  = DEFAULT_ITR,
463                         .arg  = { .r = { .min = MIN_ITR,
464                                          .max = MAX_ITR }}
465                 };
466
467                 if (num_InterruptThrottleRate > bd) {
468                         adapter->itr = InterruptThrottleRate[bd];
469                         switch (adapter->itr) {
470                         case 0:
471                                 DPRINTK(PROBE, INFO, "%s turned off\n",
472                                         opt.name);
473                                 break;
474                         case 1:
475                                 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
476                                         opt.name);
477                                 adapter->itr_setting = adapter->itr;
478                                 adapter->itr = 20000;
479                                 break;
480                         case 3:
481                                 DPRINTK(PROBE, INFO,
482                                         "%s set to dynamic conservative mode\n",
483                                         opt.name);
484                                 adapter->itr_setting = adapter->itr;
485                                 adapter->itr = 20000;
486                                 break;
487                         default:
488                                 e1000_validate_option(&adapter->itr, &opt,
489                                         adapter);
490                                 /* save the setting, because the dynamic bits change itr */
491                                 /* clear the lower two bits because they are
492                                  * used as control */
493                                 adapter->itr_setting = adapter->itr & ~3;
494                                 break;
495                         }
496                 } else {
497                         adapter->itr_setting = opt.def;
498                         adapter->itr = 20000;
499                 }
500         }
501         { /* Smart Power Down */
502                 struct e1000_option opt = {
503                         .type = enable_option,
504                         .name = "PHY Smart Power Down",
505                         .err  = "defaulting to Disabled",
506                         .def  = OPTION_DISABLED
507                 };
508
509                 if (num_SmartPowerDownEnable > bd) {
510                         unsigned int spd = SmartPowerDownEnable[bd];
511                         e1000_validate_option(&spd, &opt, adapter);
512                         adapter->smart_power_down = spd;
513                 } else {
514                         adapter->smart_power_down = opt.def;
515                 }
516         }
517         { /* Kumeran Lock Loss Workaround */
518                 struct e1000_option opt = {
519                         .type = enable_option,
520                         .name = "Kumeran Lock Loss Workaround",
521                         .err  = "defaulting to Enabled",
522                         .def  = OPTION_ENABLED
523                 };
524
525                 if (num_KumeranLockLoss > bd) {
526                         unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
527                         e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
528                         adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
529                 } else {
530                         adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def;
531                 }
532         }
533
534         switch (adapter->hw.media_type) {
535         case e1000_media_type_fiber:
536         case e1000_media_type_internal_serdes:
537                 e1000_check_fiber_options(adapter);
538                 break;
539         case e1000_media_type_copper:
540                 e1000_check_copper_options(adapter);
541                 break;
542         default:
543                 BUG();
544         }
545 }
546
547 /**
548  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
549  * @adapter: board private structure
550  *
551  * Handles speed and duplex options on fiber adapters
552  **/
553
554 static void __devinit
555 e1000_check_fiber_options(struct e1000_adapter *adapter)
556 {
557         int bd = adapter->bd_number;
558         if (num_Speed > bd) {
559                 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
560                        "parameter ignored\n");
561         }
562
563         if (num_Duplex > bd) {
564                 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
565                        "parameter ignored\n");
566         }
567
568         if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
569                 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
570                                  "not valid for fiber adapters, "
571                                  "parameter ignored\n");
572         }
573 }
574
575 /**
576  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
577  * @adapter: board private structure
578  *
579  * Handles speed and duplex options on copper adapters
580  **/
581
582 static void __devinit
583 e1000_check_copper_options(struct e1000_adapter *adapter)
584 {
585         unsigned int speed, dplx, an;
586         int bd = adapter->bd_number;
587
588         { /* Speed */
589                 struct e1000_opt_list speed_list[] = {{          0, "" },
590                                                       {   SPEED_10, "" },
591                                                       {  SPEED_100, "" },
592                                                       { SPEED_1000, "" }};
593
594                 struct e1000_option opt = {
595                         .type = list_option,
596                         .name = "Speed",
597                         .err  = "parameter ignored",
598                         .def  = 0,
599                         .arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
600                                          .p = speed_list }}
601                 };
602
603                 if (num_Speed > bd) {
604                         speed = Speed[bd];
605                         e1000_validate_option(&speed, &opt, adapter);
606                 } else {
607                         speed = opt.def;
608                 }
609         }
610         { /* Duplex */
611                 struct e1000_opt_list dplx_list[] = {{           0, "" },
612                                                      { HALF_DUPLEX, "" },
613                                                      { FULL_DUPLEX, "" }};
614
615                 struct e1000_option opt = {
616                         .type = list_option,
617                         .name = "Duplex",
618                         .err  = "parameter ignored",
619                         .def  = 0,
620                         .arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
621                                          .p = dplx_list }}
622                 };
623
624                 if (e1000_check_phy_reset_block(&adapter->hw)) {
625                         DPRINTK(PROBE, INFO,
626                                 "Link active due to SoL/IDER Session. "
627                                 "Speed/Duplex/AutoNeg parameter ignored.\n");
628                         return;
629                 }
630                 if (num_Duplex > bd) {
631                         dplx = Duplex[bd];
632                         e1000_validate_option(&dplx, &opt, adapter);
633                 } else {
634                         dplx = opt.def;
635                 }
636         }
637
638         if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
639                 DPRINTK(PROBE, INFO,
640                        "AutoNeg specified along with Speed or Duplex, "
641                        "parameter ignored\n");
642                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
643         } else { /* Autoneg */
644                 struct e1000_opt_list an_list[] =
645                         #define AA "AutoNeg advertising "
646                         {{ 0x01, AA "10/HD" },
647                          { 0x02, AA "10/FD" },
648                          { 0x03, AA "10/FD, 10/HD" },
649                          { 0x04, AA "100/HD" },
650                          { 0x05, AA "100/HD, 10/HD" },
651                          { 0x06, AA "100/HD, 10/FD" },
652                          { 0x07, AA "100/HD, 10/FD, 10/HD" },
653                          { 0x08, AA "100/FD" },
654                          { 0x09, AA "100/FD, 10/HD" },
655                          { 0x0a, AA "100/FD, 10/FD" },
656                          { 0x0b, AA "100/FD, 10/FD, 10/HD" },
657                          { 0x0c, AA "100/FD, 100/HD" },
658                          { 0x0d, AA "100/FD, 100/HD, 10/HD" },
659                          { 0x0e, AA "100/FD, 100/HD, 10/FD" },
660                          { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
661                          { 0x20, AA "1000/FD" },
662                          { 0x21, AA "1000/FD, 10/HD" },
663                          { 0x22, AA "1000/FD, 10/FD" },
664                          { 0x23, AA "1000/FD, 10/FD, 10/HD" },
665                          { 0x24, AA "1000/FD, 100/HD" },
666                          { 0x25, AA "1000/FD, 100/HD, 10/HD" },
667                          { 0x26, AA "1000/FD, 100/HD, 10/FD" },
668                          { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
669                          { 0x28, AA "1000/FD, 100/FD" },
670                          { 0x29, AA "1000/FD, 100/FD, 10/HD" },
671                          { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
672                          { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
673                          { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
674                          { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
675                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
676                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
677
678                 struct e1000_option opt = {
679                         .type = list_option,
680                         .name = "AutoNeg",
681                         .err  = "parameter ignored",
682                         .def  = AUTONEG_ADV_DEFAULT,
683                         .arg  = { .l = { .nr = ARRAY_SIZE(an_list),
684                                          .p = an_list }}
685                 };
686
687                 if (num_AutoNeg > bd) {
688                         an = AutoNeg[bd];
689                         e1000_validate_option(&an, &opt, adapter);
690                 } else {
691                         an = opt.def;
692                 }
693                 adapter->hw.autoneg_advertised = an;
694         }
695
696         switch (speed + dplx) {
697         case 0:
698                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
699                 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
700                         DPRINTK(PROBE, INFO,
701                                "Speed and duplex autonegotiation enabled\n");
702                 break;
703         case HALF_DUPLEX:
704                 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
705                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
706                         "Half Duplex only\n");
707                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
708                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
709                                                  ADVERTISE_100_HALF;
710                 break;
711         case FULL_DUPLEX:
712                 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
713                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
714                         "Full Duplex only\n");
715                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
716                 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
717                                                  ADVERTISE_100_FULL |
718                                                  ADVERTISE_1000_FULL;
719                 break;
720         case SPEED_10:
721                 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
722                         "without Duplex\n");
723                 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
724                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
725                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
726                                                  ADVERTISE_10_FULL;
727                 break;
728         case SPEED_10 + HALF_DUPLEX:
729                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
730                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
731                 adapter->hw.forced_speed_duplex = e1000_10_half;
732                 adapter->hw.autoneg_advertised = 0;
733                 break;
734         case SPEED_10 + FULL_DUPLEX:
735                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
736                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
737                 adapter->hw.forced_speed_duplex = e1000_10_full;
738                 adapter->hw.autoneg_advertised = 0;
739                 break;
740         case SPEED_100:
741                 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
742                         "without Duplex\n");
743                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
744                         "100 Mbps only\n");
745                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
746                 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
747                                                  ADVERTISE_100_FULL;
748                 break;
749         case SPEED_100 + HALF_DUPLEX:
750                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
751                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
752                 adapter->hw.forced_speed_duplex = e1000_100_half;
753                 adapter->hw.autoneg_advertised = 0;
754                 break;
755         case SPEED_100 + FULL_DUPLEX:
756                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
757                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
758                 adapter->hw.forced_speed_duplex = e1000_100_full;
759                 adapter->hw.autoneg_advertised = 0;
760                 break;
761         case SPEED_1000:
762                 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
763                         "Duplex\n");
764                 goto full_duplex_only;
765         case SPEED_1000 + HALF_DUPLEX:
766                 DPRINTK(PROBE, INFO,
767                         "Half Duplex is not supported at 1000 Mbps\n");
768                 /* fall through */
769         case SPEED_1000 + FULL_DUPLEX:
770 full_duplex_only:
771                 DPRINTK(PROBE, INFO,
772                        "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
773                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
774                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
775                 break;
776         default:
777                 BUG();
778         }
779
780         /* Speed, AutoNeg and MDI/MDI-X must all play nice */
781         if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
782                 DPRINTK(PROBE, INFO,
783                         "Speed, AutoNeg and MDI-X specifications are "
784                         "incompatible. Setting MDI-X to a compatible value.\n");
785         }
786 }
787