e1000: e1000_adapter->polling_netdev is useless
[linux-2.6.git] / 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                         const struct e1000_opt_list { int i; char *str; } *p;
212                 } l;
213         } arg;
214 };
215
216 static int __devinit e1000_validate_option(unsigned int *value,
217                                            const struct e1000_option *opt,
218                                            struct e1000_adapter *adapter)
219 {
220         if (*value == OPTION_UNSET) {
221                 *value = opt->def;
222                 return 0;
223         }
224
225         switch (opt->type) {
226         case enable_option:
227                 switch (*value) {
228                 case OPTION_ENABLED:
229                         DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
230                         return 0;
231                 case OPTION_DISABLED:
232                         DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
233                         return 0;
234                 }
235                 break;
236         case range_option:
237                 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
238                         DPRINTK(PROBE, INFO,
239                                         "%s set to %i\n", opt->name, *value);
240                         return 0;
241                 }
242                 break;
243         case list_option: {
244                 int i;
245                 const struct e1000_opt_list *ent;
246
247                 for (i = 0; i < opt->arg.l.nr; i++) {
248                         ent = &opt->arg.l.p[i];
249                         if (*value == ent->i) {
250                                 if (ent->str[0] != '\0')
251                                         DPRINTK(PROBE, INFO, "%s\n", ent->str);
252                                 return 0;
253                         }
254                 }
255         }
256                 break;
257         default:
258                 BUG();
259         }
260
261         DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
262                opt->name, *value, opt->err);
263         *value = opt->def;
264         return -1;
265 }
266
267 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
268 static void e1000_check_copper_options(struct e1000_adapter *adapter);
269
270 /**
271  * e1000_check_options - Range Checking for Command Line Parameters
272  * @adapter: board private structure
273  *
274  * This routine checks all command line parameters for valid user
275  * input.  If an invalid value is given, or if no user specified
276  * value exists, a default value is used.  The final value is stored
277  * in a variable in the adapter structure.
278  **/
279
280 void __devinit e1000_check_options(struct e1000_adapter *adapter)
281 {
282         struct e1000_option opt;
283         int bd = adapter->bd_number;
284
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_tx_ring *tx_ring = adapter->tx_ring;
293                 int i;
294                 e1000_mac_type mac_type = adapter->hw.mac_type;
295
296                 opt = (struct e1000_option) {
297                         .type = range_option,
298                         .name = "Transmit Descriptors",
299                         .err  = "using default of "
300                                 __MODULE_STRING(E1000_DEFAULT_TXD),
301                         .def  = E1000_DEFAULT_TXD,
302                         .arg  = { .r = {
303                                 .min = E1000_MIN_TXD,
304                                 .max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD
305                                 }}
306                 };
307
308                 if (num_TxDescriptors > bd) {
309                         tx_ring->count = TxDescriptors[bd];
310                         e1000_validate_option(&tx_ring->count, &opt, adapter);
311                         tx_ring->count = ALIGN(tx_ring->count,
312                                                 REQ_TX_DESCRIPTOR_MULTIPLE);
313                 } else {
314                         tx_ring->count = opt.def;
315                 }
316                 for (i = 0; i < adapter->num_tx_queues; i++)
317                         tx_ring[i].count = tx_ring->count;
318         }
319         { /* Receive Descriptor Count */
320                 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
321                 int i;
322                 e1000_mac_type mac_type = adapter->hw.mac_type;
323
324                 opt = (struct e1000_option) {
325                         .type = range_option,
326                         .name = "Receive Descriptors",
327                         .err  = "using default of "
328                                 __MODULE_STRING(E1000_DEFAULT_RXD),
329                         .def  = E1000_DEFAULT_RXD,
330                         .arg  = { .r = {
331                                 .min = E1000_MIN_RXD,
332                                 .max = mac_type < e1000_82544 ? E1000_MAX_RXD : E1000_MAX_82544_RXD
333                         }}
334                 };
335
336                 if (num_RxDescriptors > bd) {
337                         rx_ring->count = RxDescriptors[bd];
338                         e1000_validate_option(&rx_ring->count, &opt, adapter);
339                         rx_ring->count = ALIGN(rx_ring->count,
340                                                 REQ_RX_DESCRIPTOR_MULTIPLE);
341                 } else {
342                         rx_ring->count = opt.def;
343                 }
344                 for (i = 0; i < adapter->num_rx_queues; i++)
345                         rx_ring[i].count = rx_ring->count;
346         }
347         { /* Checksum Offload Enable/Disable */
348                 opt = (struct e1000_option) {
349                         .type = enable_option,
350                         .name = "Checksum Offload",
351                         .err  = "defaulting to Enabled",
352                         .def  = OPTION_ENABLED
353                 };
354
355                 if (num_XsumRX > bd) {
356                         unsigned int rx_csum = XsumRX[bd];
357                         e1000_validate_option(&rx_csum, &opt, adapter);
358                         adapter->rx_csum = rx_csum;
359                 } else {
360                         adapter->rx_csum = opt.def;
361                 }
362         }
363         { /* Flow Control */
364
365                 struct e1000_opt_list fc_list[] =
366                         {{ E1000_FC_NONE,    "Flow Control Disabled" },
367                          { E1000_FC_RX_PAUSE,"Flow Control Receive Only" },
368                          { E1000_FC_TX_PAUSE,"Flow Control Transmit Only" },
369                          { E1000_FC_FULL,    "Flow Control Enabled" },
370                          { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
371
372                 opt = (struct e1000_option) {
373                         .type = list_option,
374                         .name = "Flow Control",
375                         .err  = "reading default settings from EEPROM",
376                         .def  = E1000_FC_DEFAULT,
377                         .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
378                                          .p = fc_list }}
379                 };
380
381                 if (num_FlowControl > bd) {
382                         unsigned int fc = FlowControl[bd];
383                         e1000_validate_option(&fc, &opt, adapter);
384                         adapter->hw.fc = adapter->hw.original_fc = fc;
385                 } else {
386                         adapter->hw.fc = adapter->hw.original_fc = opt.def;
387                 }
388         }
389         { /* Transmit Interrupt Delay */
390                 opt = (struct e1000_option) {
391                         .type = range_option,
392                         .name = "Transmit Interrupt Delay",
393                         .err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
394                         .def  = DEFAULT_TIDV,
395                         .arg  = { .r = { .min = MIN_TXDELAY,
396                                          .max = MAX_TXDELAY }}
397                 };
398
399                 if (num_TxIntDelay > bd) {
400                         adapter->tx_int_delay = TxIntDelay[bd];
401                         e1000_validate_option(&adapter->tx_int_delay, &opt,
402                                               adapter);
403                 } else {
404                         adapter->tx_int_delay = opt.def;
405                 }
406         }
407         { /* Transmit Absolute Interrupt Delay */
408                 opt = (struct e1000_option) {
409                         .type = range_option,
410                         .name = "Transmit Absolute Interrupt Delay",
411                         .err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
412                         .def  = DEFAULT_TADV,
413                         .arg  = { .r = { .min = MIN_TXABSDELAY,
414                                          .max = MAX_TXABSDELAY }}
415                 };
416
417                 if (num_TxAbsIntDelay > bd) {
418                         adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
419                         e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
420                                               adapter);
421                 } else {
422                         adapter->tx_abs_int_delay = opt.def;
423                 }
424         }
425         { /* Receive Interrupt Delay */
426                 opt = (struct e1000_option) {
427                         .type = range_option,
428                         .name = "Receive Interrupt Delay",
429                         .err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
430                         .def  = DEFAULT_RDTR,
431                         .arg  = { .r = { .min = MIN_RXDELAY,
432                                          .max = MAX_RXDELAY }}
433                 };
434
435                 if (num_RxIntDelay > bd) {
436                         adapter->rx_int_delay = RxIntDelay[bd];
437                         e1000_validate_option(&adapter->rx_int_delay, &opt,
438                                               adapter);
439                 } else {
440                         adapter->rx_int_delay = opt.def;
441                 }
442         }
443         { /* Receive Absolute Interrupt Delay */
444                 opt = (struct e1000_option) {
445                         .type = range_option,
446                         .name = "Receive Absolute Interrupt Delay",
447                         .err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
448                         .def  = DEFAULT_RADV,
449                         .arg  = { .r = { .min = MIN_RXABSDELAY,
450                                          .max = MAX_RXABSDELAY }}
451                 };
452
453                 if (num_RxAbsIntDelay > bd) {
454                         adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
455                         e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
456                                               adapter);
457                 } else {
458                         adapter->rx_abs_int_delay = opt.def;
459                 }
460         }
461         { /* Interrupt Throttling Rate */
462                 opt = (struct e1000_option) {
463                         .type = range_option,
464                         .name = "Interrupt Throttling Rate (ints/sec)",
465                         .err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
466                         .def  = DEFAULT_ITR,
467                         .arg  = { .r = { .min = MIN_ITR,
468                                          .max = MAX_ITR }}
469                 };
470
471                 if (num_InterruptThrottleRate > bd) {
472                         adapter->itr = InterruptThrottleRate[bd];
473                         switch (adapter->itr) {
474                         case 0:
475                                 DPRINTK(PROBE, INFO, "%s turned off\n",
476                                         opt.name);
477                                 break;
478                         case 1:
479                                 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
480                                         opt.name);
481                                 adapter->itr_setting = adapter->itr;
482                                 adapter->itr = 20000;
483                                 break;
484                         case 3:
485                                 DPRINTK(PROBE, INFO,
486                                         "%s set to dynamic conservative mode\n",
487                                         opt.name);
488                                 adapter->itr_setting = adapter->itr;
489                                 adapter->itr = 20000;
490                                 break;
491                         default:
492                                 e1000_validate_option(&adapter->itr, &opt,
493                                         adapter);
494                                 /* save the setting, because the dynamic bits change itr */
495                                 /* clear the lower two bits because they are
496                                  * used as control */
497                                 adapter->itr_setting = adapter->itr & ~3;
498                                 break;
499                         }
500                 } else {
501                         adapter->itr_setting = opt.def;
502                         adapter->itr = 20000;
503                 }
504         }
505         { /* Smart Power Down */
506                 opt = (struct e1000_option) {
507                         .type = enable_option,
508                         .name = "PHY Smart Power Down",
509                         .err  = "defaulting to Disabled",
510                         .def  = OPTION_DISABLED
511                 };
512
513                 if (num_SmartPowerDownEnable > bd) {
514                         unsigned int spd = SmartPowerDownEnable[bd];
515                         e1000_validate_option(&spd, &opt, adapter);
516                         adapter->smart_power_down = spd;
517                 } else {
518                         adapter->smart_power_down = opt.def;
519                 }
520         }
521         { /* Kumeran Lock Loss Workaround */
522                 opt = (struct e1000_option) {
523                         .type = enable_option,
524                         .name = "Kumeran Lock Loss Workaround",
525                         .err  = "defaulting to Enabled",
526                         .def  = OPTION_ENABLED
527                 };
528
529                 if (num_KumeranLockLoss > bd) {
530                         unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
531                         e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
532                         adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
533                 } else {
534                         adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def;
535                 }
536         }
537
538         switch (adapter->hw.media_type) {
539         case e1000_media_type_fiber:
540         case e1000_media_type_internal_serdes:
541                 e1000_check_fiber_options(adapter);
542                 break;
543         case e1000_media_type_copper:
544                 e1000_check_copper_options(adapter);
545                 break;
546         default:
547                 BUG();
548         }
549 }
550
551 /**
552  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
553  * @adapter: board private structure
554  *
555  * Handles speed and duplex options on fiber adapters
556  **/
557
558 static void __devinit e1000_check_fiber_options(struct e1000_adapter *adapter)
559 {
560         int bd = adapter->bd_number;
561         if (num_Speed > bd) {
562                 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
563                        "parameter ignored\n");
564         }
565
566         if (num_Duplex > bd) {
567                 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
568                        "parameter ignored\n");
569         }
570
571         if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
572                 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
573                                  "not valid for fiber adapters, "
574                                  "parameter ignored\n");
575         }
576 }
577
578 /**
579  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
580  * @adapter: board private structure
581  *
582  * Handles speed and duplex options on copper adapters
583  **/
584
585 static void __devinit e1000_check_copper_options(struct e1000_adapter *adapter)
586 {
587         struct e1000_option opt;
588         unsigned int speed, dplx, an;
589         int bd = adapter->bd_number;
590
591         { /* Speed */
592                 static const struct e1000_opt_list speed_list[] = {
593                         {          0, "" },
594                         {   SPEED_10, "" },
595                         {  SPEED_100, "" },
596                         { SPEED_1000, "" }};
597
598                 opt = (struct e1000_option) {
599                         .type = list_option,
600                         .name = "Speed",
601                         .err  = "parameter ignored",
602                         .def  = 0,
603                         .arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
604                                          .p = speed_list }}
605                 };
606
607                 if (num_Speed > bd) {
608                         speed = Speed[bd];
609                         e1000_validate_option(&speed, &opt, adapter);
610                 } else {
611                         speed = opt.def;
612                 }
613         }
614         { /* Duplex */
615                 static const struct e1000_opt_list dplx_list[] = {
616                         {           0, "" },
617                         { HALF_DUPLEX, "" },
618                         { FULL_DUPLEX, "" }};
619
620                 opt = (struct e1000_option) {
621                         .type = list_option,
622                         .name = "Duplex",
623                         .err  = "parameter ignored",
624                         .def  = 0,
625                         .arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
626                                          .p = dplx_list }}
627                 };
628
629                 if (e1000_check_phy_reset_block(&adapter->hw)) {
630                         DPRINTK(PROBE, INFO,
631                                 "Link active due to SoL/IDER Session. "
632                                 "Speed/Duplex/AutoNeg parameter ignored.\n");
633                         return;
634                 }
635                 if (num_Duplex > bd) {
636                         dplx = Duplex[bd];
637                         e1000_validate_option(&dplx, &opt, adapter);
638                 } else {
639                         dplx = opt.def;
640                 }
641         }
642
643         if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
644                 DPRINTK(PROBE, INFO,
645                        "AutoNeg specified along with Speed or Duplex, "
646                        "parameter ignored\n");
647                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
648         } else { /* Autoneg */
649                 static const struct e1000_opt_list an_list[] =
650                         #define AA "AutoNeg advertising "
651                         {{ 0x01, AA "10/HD" },
652                          { 0x02, AA "10/FD" },
653                          { 0x03, AA "10/FD, 10/HD" },
654                          { 0x04, AA "100/HD" },
655                          { 0x05, AA "100/HD, 10/HD" },
656                          { 0x06, AA "100/HD, 10/FD" },
657                          { 0x07, AA "100/HD, 10/FD, 10/HD" },
658                          { 0x08, AA "100/FD" },
659                          { 0x09, AA "100/FD, 10/HD" },
660                          { 0x0a, AA "100/FD, 10/FD" },
661                          { 0x0b, AA "100/FD, 10/FD, 10/HD" },
662                          { 0x0c, AA "100/FD, 100/HD" },
663                          { 0x0d, AA "100/FD, 100/HD, 10/HD" },
664                          { 0x0e, AA "100/FD, 100/HD, 10/FD" },
665                          { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
666                          { 0x20, AA "1000/FD" },
667                          { 0x21, AA "1000/FD, 10/HD" },
668                          { 0x22, AA "1000/FD, 10/FD" },
669                          { 0x23, AA "1000/FD, 10/FD, 10/HD" },
670                          { 0x24, AA "1000/FD, 100/HD" },
671                          { 0x25, AA "1000/FD, 100/HD, 10/HD" },
672                          { 0x26, AA "1000/FD, 100/HD, 10/FD" },
673                          { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
674                          { 0x28, AA "1000/FD, 100/FD" },
675                          { 0x29, AA "1000/FD, 100/FD, 10/HD" },
676                          { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
677                          { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
678                          { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
679                          { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
680                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
681                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
682
683                 opt = (struct e1000_option) {
684                         .type = list_option,
685                         .name = "AutoNeg",
686                         .err  = "parameter ignored",
687                         .def  = AUTONEG_ADV_DEFAULT,
688                         .arg  = { .l = { .nr = ARRAY_SIZE(an_list),
689                                          .p = an_list }}
690                 };
691
692                 if (num_AutoNeg > bd) {
693                         an = AutoNeg[bd];
694                         e1000_validate_option(&an, &opt, adapter);
695                 } else {
696                         an = opt.def;
697                 }
698                 adapter->hw.autoneg_advertised = an;
699         }
700
701         switch (speed + dplx) {
702         case 0:
703                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
704                 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
705                         DPRINTK(PROBE, INFO,
706                                "Speed and duplex autonegotiation enabled\n");
707                 break;
708         case HALF_DUPLEX:
709                 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
710                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
711                         "Half Duplex only\n");
712                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
713                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
714                                                  ADVERTISE_100_HALF;
715                 break;
716         case FULL_DUPLEX:
717                 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
718                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
719                         "Full Duplex only\n");
720                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
721                 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
722                                                  ADVERTISE_100_FULL |
723                                                  ADVERTISE_1000_FULL;
724                 break;
725         case SPEED_10:
726                 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
727                         "without Duplex\n");
728                 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
729                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
730                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
731                                                  ADVERTISE_10_FULL;
732                 break;
733         case SPEED_10 + HALF_DUPLEX:
734                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
735                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
736                 adapter->hw.forced_speed_duplex = e1000_10_half;
737                 adapter->hw.autoneg_advertised = 0;
738                 break;
739         case SPEED_10 + FULL_DUPLEX:
740                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
741                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
742                 adapter->hw.forced_speed_duplex = e1000_10_full;
743                 adapter->hw.autoneg_advertised = 0;
744                 break;
745         case SPEED_100:
746                 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
747                         "without Duplex\n");
748                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
749                         "100 Mbps only\n");
750                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
751                 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
752                                                  ADVERTISE_100_FULL;
753                 break;
754         case SPEED_100 + HALF_DUPLEX:
755                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
756                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
757                 adapter->hw.forced_speed_duplex = e1000_100_half;
758                 adapter->hw.autoneg_advertised = 0;
759                 break;
760         case SPEED_100 + FULL_DUPLEX:
761                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
762                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
763                 adapter->hw.forced_speed_duplex = e1000_100_full;
764                 adapter->hw.autoneg_advertised = 0;
765                 break;
766         case SPEED_1000:
767                 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
768                         "Duplex\n");
769                 goto full_duplex_only;
770         case SPEED_1000 + HALF_DUPLEX:
771                 DPRINTK(PROBE, INFO,
772                         "Half Duplex is not supported at 1000 Mbps\n");
773                 /* fall through */
774         case SPEED_1000 + FULL_DUPLEX:
775 full_duplex_only:
776                 DPRINTK(PROBE, INFO,
777                        "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
778                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
779                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
780                 break;
781         default:
782                 BUG();
783         }
784
785         /* Speed, AutoNeg and MDI/MDI-X must all play nice */
786         if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
787                 DPRINTK(PROBE, INFO,
788                         "Speed, AutoNeg and MDI-X specifications are "
789                         "incompatible. Setting MDI-X to a compatible value.\n");
790         }
791 }
792