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e1000: add smart power down code
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / net / e1000 / e1000_param.c
bloba8d9295b07797e527b50a7b9968e0104d2b8b6df
1 /*******************************************************************************
2
3
4 Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2 of the License, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 more details.
15
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc., 59
18 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20 The full GNU General Public License is included in this distribution in the
21 file called LICENSE.
22
23 Contact Information:
24 Linux NICS <linux.nics@intel.com>
25 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
26 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27
28 *******************************************************************************/
29
30 #include "e1000.h"
31
32 /* This is the only thing that needs to be changed to adjust the
33 * maximum number of ports that the driver can manage.
34 */
35
36 #define E1000_MAX_NIC 32
37
38 #define OPTION_UNSET -1
39 #define OPTION_DISABLED 0
40 #define OPTION_ENABLED 1
41
42 /* All parameters are treated the same, as an integer array of values.
43 * This macro just reduces the need to repeat the same declaration code
44 * over and over (plus this helps to avoid typo bugs).
45 */
46
47 #define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
48 #define E1000_PARAM(X, desc) \
49 static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
50 static int num_##X = 0; \
51 module_param_array_named(X, X, int, &num_##X, 0); \
52 MODULE_PARM_DESC(X, desc);
53
54 /* Transmit Descriptor Count
55 *
56 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
57 * Valid Range: 80-4096 for 82544 and newer
58 *
59 * Default Value: 256
60 */
61
62 E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
63
64 /* Receive Descriptor Count
65 *
66 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
67 * Valid Range: 80-4096 for 82544 and newer
68 *
69 * Default Value: 256
70 */
71
72 E1000_PARAM(RxDescriptors, "Number of receive descriptors");
73
74 /* User Specified Speed Override
75 *
76 * Valid Range: 0, 10, 100, 1000
77 * - 0 - auto-negotiate at all supported speeds
78 * - 10 - only link at 10 Mbps
79 * - 100 - only link at 100 Mbps
80 * - 1000 - only link at 1000 Mbps
81 *
82 * Default Value: 0
83 */
84
85 E1000_PARAM(Speed, "Speed setting");
86
87 /* User Specified Duplex Override
88 *
89 * Valid Range: 0-2
90 * - 0 - auto-negotiate for duplex
91 * - 1 - only link at half duplex
92 * - 2 - only link at full duplex
93 *
94 * Default Value: 0
95 */
96
97 E1000_PARAM(Duplex, "Duplex setting");
98
99 /* Auto-negotiation Advertisement Override
100 *
101 * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
102 *
103 * The AutoNeg value is a bit mask describing which speed and duplex
104 * combinations should be advertised during auto-negotiation.
105 * The supported speed and duplex modes are listed below
106 *
107 * Bit 7 6 5 4 3 2 1 0
108 * Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
109 * Duplex Full Full Half Full Half
110 *
111 * Default Value: 0x2F (copper); 0x20 (fiber)
112 */
113
114 E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
115
116 /* User Specified Flow Control Override
117 *
118 * Valid Range: 0-3
119 * - 0 - No Flow Control
120 * - 1 - Rx only, respond to PAUSE frames but do not generate them
121 * - 2 - Tx only, generate PAUSE frames but ignore them on receive
122 * - 3 - Full Flow Control Support
123 *
124 * Default Value: Read flow control settings from the EEPROM
125 */
126
127 E1000_PARAM(FlowControl, "Flow Control setting");
128
129 /* XsumRX - Receive Checksum Offload Enable/Disable
130 *
131 * Valid Range: 0, 1
132 * - 0 - disables all checksum offload
133 * - 1 - enables receive IP/TCP/UDP checksum offload
134 * on 82543 and newer -based NICs
135 *
136 * Default Value: 1
137 */
138
139 E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
140
141 /* Transmit Interrupt Delay in units of 1.024 microseconds
142 *
143 * Valid Range: 0-65535
144 *
145 * Default Value: 64
146 */
147
148 E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
149
150 /* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
151 *
152 * Valid Range: 0-65535
153 *
154 * Default Value: 0
155 */
156
157 E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
158
159 /* Receive Interrupt Delay in units of 1.024 microseconds
160 *
161 * Valid Range: 0-65535
162 *
163 * Default Value: 0
164 */
165
166 E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
167
168 /* Receive Absolute Interrupt Delay in units of 1.024 microseconds
169 *
170 * Valid Range: 0-65535
171 *
172 * Default Value: 128
173 */
174
175 E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
176
177 /* Interrupt Throttle Rate (interrupts/sec)
178 *
179 * Valid Range: 100-100000 (0=off, 1=dynamic)
180 *
181 * Default Value: 8000
182 */
183
184 E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
185
186 /* Enable Smart Power Down of the PHY
187 *
188 * Valid Range: 0, 1
189 *
190 * Default Value: 0 (disabled)
191 */
192
193 E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
194
195 #define AUTONEG_ADV_DEFAULT 0x2F
196 #define AUTONEG_ADV_MASK 0x2F
197 #define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
198
199 #define DEFAULT_RDTR 0
200 #define MAX_RXDELAY 0xFFFF
201 #define MIN_RXDELAY 0
202
203 #define DEFAULT_RADV 128
204 #define MAX_RXABSDELAY 0xFFFF
205 #define MIN_RXABSDELAY 0
206
207 #define DEFAULT_TIDV 64
208 #define MAX_TXDELAY 0xFFFF
209 #define MIN_TXDELAY 0
210
211 #define DEFAULT_TADV 64
212 #define MAX_TXABSDELAY 0xFFFF
213 #define MIN_TXABSDELAY 0
214
215 #define DEFAULT_ITR 8000
216 #define MAX_ITR 100000
217 #define MIN_ITR 100
218
219 struct e1000_option {
220 enum { enable_option, range_option, list_option } type;
221 char *name;
222 char *err;
223 int def;
224 union {
225 struct { /* range_option info */
226 int min;
227 int max;
228 } r;
229 struct { /* list_option info */
230 int nr;
231 struct e1000_opt_list { int i; char *str; } *p;
232 } l;
233 } arg;
234 };
235
236 static int __devinit
237 e1000_validate_option(int *value, struct e1000_option *opt,
238 struct e1000_adapter *adapter)
239 {
240 if (*value == OPTION_UNSET) {
241 *value = opt->def;
242 return 0;
243 }
244
245 switch (opt->type) {
246 case enable_option:
247 switch (*value) {
248 case OPTION_ENABLED:
249 DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
250 return 0;
251 case OPTION_DISABLED:
252 DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
253 return 0;
254 }
255 break;
256 case range_option:
257 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
258 DPRINTK(PROBE, INFO,
259 "%s set to %i\n", opt->name, *value);
260 return 0;
261 }
262 break;
263 case list_option: {
264 int i;
265 struct e1000_opt_list *ent;
266
267 for (i = 0; i < opt->arg.l.nr; i++) {
268 ent = &opt->arg.l.p[i];
269 if (*value == ent->i) {
270 if (ent->str[0] != '\0')
271 DPRINTK(PROBE, INFO, "%s\n", ent->str);
272 return 0;
273 }
274 }
275 }
276 break;
277 default:
278 BUG();
279 }
280
281 DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
282 opt->name, *value, opt->err);
283 *value = opt->def;
284 return -1;
285 }
286
287 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
288 static void e1000_check_copper_options(struct e1000_adapter *adapter);
289
290 /**
291 * e1000_check_options - Range Checking for Command Line Parameters
292 * @adapter: board private structure
293 *
294 * This routine checks all command line parameters for valid user
295 * input. If an invalid value is given, or if no user specified
296 * value exists, a default value is used. The final value is stored
297 * in a variable in the adapter structure.
298 **/
299
300 void __devinit
301 e1000_check_options(struct e1000_adapter *adapter)
302 {
303 int bd = adapter->bd_number;
304 if (bd >= E1000_MAX_NIC) {
305 DPRINTK(PROBE, NOTICE,
306 "Warning: no configuration for board #%i\n", bd);
307 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
308 }
309
310 { /* Transmit Descriptor Count */
311 struct e1000_option opt = {
312 .type = range_option,
313 .name = "Transmit Descriptors",
314 .err = "using default of "
315 __MODULE_STRING(E1000_DEFAULT_TXD),
316 .def = E1000_DEFAULT_TXD,
317 .arg = { .r = { .min = E1000_MIN_TXD }}
318 };
319 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
320 int i;
321 e1000_mac_type mac_type = adapter->hw.mac_type;
322 opt.arg.r.max = mac_type < e1000_82544 ?
323 E1000_MAX_TXD : E1000_MAX_82544_TXD;
324
325 if (num_TxDescriptors > bd) {
326 tx_ring->count = TxDescriptors[bd];
327 e1000_validate_option(&tx_ring->count, &opt, adapter);
328 E1000_ROUNDUP(tx_ring->count,
329 REQ_TX_DESCRIPTOR_MULTIPLE);
330 } else {
331 tx_ring->count = opt.def;
332 }
333 for (i = 0; i < adapter->num_tx_queues; i++)
334 tx_ring[i].count = tx_ring->count;
335 }
336 { /* Receive Descriptor Count */
337 struct e1000_option opt = {
338 .type = range_option,
339 .name = "Receive Descriptors",
340 .err = "using default of "
341 __MODULE_STRING(E1000_DEFAULT_RXD),
342 .def = E1000_DEFAULT_RXD,
343 .arg = { .r = { .min = E1000_MIN_RXD }}
344 };
345 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
346 int i;
347 e1000_mac_type mac_type = adapter->hw.mac_type;
348 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
349 E1000_MAX_82544_RXD;
350
351 if (num_RxDescriptors > bd) {
352 rx_ring->count = RxDescriptors[bd];
353 e1000_validate_option(&rx_ring->count, &opt, adapter);
354 E1000_ROUNDUP(rx_ring->count,
355 REQ_RX_DESCRIPTOR_MULTIPLE);
356 } else {
357 rx_ring->count = opt.def;
358 }
359 for (i = 0; i < adapter->num_rx_queues; i++)
360 rx_ring[i].count = rx_ring->count;
361 }
362 { /* Checksum Offload Enable/Disable */
363 struct e1000_option opt = {
364 .type = enable_option,
365 .name = "Checksum Offload",
366 .err = "defaulting to Enabled",
367 .def = OPTION_ENABLED
368 };
369
370 if (num_XsumRX > bd) {
371 int rx_csum = XsumRX[bd];
372 e1000_validate_option(&rx_csum, &opt, adapter);
373 adapter->rx_csum = rx_csum;
374 } else {
375 adapter->rx_csum = opt.def;
376 }
377 }
378 { /* Flow Control */
379
380 struct e1000_opt_list fc_list[] =
381 {{ e1000_fc_none, "Flow Control Disabled" },
382 { e1000_fc_rx_pause,"Flow Control Receive Only" },
383 { e1000_fc_tx_pause,"Flow Control Transmit Only" },
384 { e1000_fc_full, "Flow Control Enabled" },
385 { e1000_fc_default, "Flow Control Hardware Default" }};
386
387 struct e1000_option opt = {
388 .type = list_option,
389 .name = "Flow Control",
390 .err = "reading default settings from EEPROM",
391 .def = e1000_fc_default,
392 .arg = { .l = { .nr = ARRAY_SIZE(fc_list),
393 .p = fc_list }}
394 };
395
396 if (num_FlowControl > bd) {
397 int fc = FlowControl[bd];
398 e1000_validate_option(&fc, &opt, adapter);
399 adapter->hw.fc = adapter->hw.original_fc = fc;
400 } else {
401 adapter->hw.fc = adapter->hw.original_fc = opt.def;
402 }
403 }
404 { /* Transmit Interrupt Delay */
405 struct e1000_option opt = {
406 .type = range_option,
407 .name = "Transmit Interrupt Delay",
408 .err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
409 .def = DEFAULT_TIDV,
410 .arg = { .r = { .min = MIN_TXDELAY,
411 .max = MAX_TXDELAY }}
412 };
413
414 if (num_TxIntDelay > bd) {
415 adapter->tx_int_delay = TxIntDelay[bd];
416 e1000_validate_option(&adapter->tx_int_delay, &opt,
417 adapter);
418 } else {
419 adapter->tx_int_delay = opt.def;
420 }
421 }
422 { /* Transmit Absolute Interrupt Delay */
423 struct e1000_option opt = {
424 .type = range_option,
425 .name = "Transmit Absolute Interrupt Delay",
426 .err = "using default of " __MODULE_STRING(DEFAULT_TADV),
427 .def = DEFAULT_TADV,
428 .arg = { .r = { .min = MIN_TXABSDELAY,
429 .max = MAX_TXABSDELAY }}
430 };
431
432 if (num_TxAbsIntDelay > bd) {
433 adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
434 e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
435 adapter);
436 } else {
437 adapter->tx_abs_int_delay = opt.def;
438 }
439 }
440 { /* Receive Interrupt Delay */
441 struct e1000_option opt = {
442 .type = range_option,
443 .name = "Receive Interrupt Delay",
444 .err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
445 .def = DEFAULT_RDTR,
446 .arg = { .r = { .min = MIN_RXDELAY,
447 .max = MAX_RXDELAY }}
448 };
449
450 if (num_RxIntDelay > bd) {
451 adapter->rx_int_delay = RxIntDelay[bd];
452 e1000_validate_option(&adapter->rx_int_delay, &opt,
453 adapter);
454 } else {
455 adapter->rx_int_delay = opt.def;
456 }
457 }
458 { /* Receive Absolute Interrupt Delay */
459 struct e1000_option opt = {
460 .type = range_option,
461 .name = "Receive Absolute Interrupt Delay",
462 .err = "using default of " __MODULE_STRING(DEFAULT_RADV),
463 .def = DEFAULT_RADV,
464 .arg = { .r = { .min = MIN_RXABSDELAY,
465 .max = MAX_RXABSDELAY }}
466 };
467
468 if (num_RxAbsIntDelay > bd) {
469 adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
470 e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
471 adapter);
472 } else {
473 adapter->rx_abs_int_delay = opt.def;
474 }
475 }
476 { /* Interrupt Throttling Rate */
477 struct e1000_option opt = {
478 .type = range_option,
479 .name = "Interrupt Throttling Rate (ints/sec)",
480 .err = "using default of " __MODULE_STRING(DEFAULT_ITR),
481 .def = DEFAULT_ITR,
482 .arg = { .r = { .min = MIN_ITR,
483 .max = MAX_ITR }}
484 };
485
486 if (num_InterruptThrottleRate > bd) {
487 adapter->itr = InterruptThrottleRate[bd];
488 switch (adapter->itr) {
489 case 0:
490 DPRINTK(PROBE, INFO, "%s turned off\n",
491 opt.name);
492 break;
493 case 1:
494 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
495 opt.name);
496 break;
497 default:
498 e1000_validate_option(&adapter->itr, &opt,
499 adapter);
500 break;
501 }
502 } else {
503 adapter->itr = opt.def;
504 }
505 }
506 { /* Smart Power Down */
507 struct e1000_option opt = {
508 .type = enable_option,
509 .name = "PHY Smart Power Down",
510 .err = "defaulting to Disabled",
511 .def = OPTION_DISABLED
512 };
513
514 if (num_SmartPowerDownEnable > bd) {
515 int spd = SmartPowerDownEnable[bd];
516 e1000_validate_option(&spd, &opt, adapter);
517 adapter->smart_power_down = spd;
518 } else {
519 adapter->smart_power_down = opt.def;
520 }
521 }
522
523 switch (adapter->hw.media_type) {
524 case e1000_media_type_fiber:
525 case e1000_media_type_internal_serdes:
526 e1000_check_fiber_options(adapter);
527 break;
528 case e1000_media_type_copper:
529 e1000_check_copper_options(adapter);
530 break;
531 default:
532 BUG();
533 }
534 }
535
536 /**
537 * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
538 * @adapter: board private structure
539 *
540 * Handles speed and duplex options on fiber adapters
541 **/
542
543 static void __devinit
544 e1000_check_fiber_options(struct e1000_adapter *adapter)
545 {
546 int bd = adapter->bd_number;
547 if (num_Speed > bd) {
548 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
549 "parameter ignored\n");
550 }
551
552 if (num_Duplex > bd) {
553 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
554 "parameter ignored\n");
555 }
556
557 if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
558 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
559 "not valid for fiber adapters, "
560 "parameter ignored\n");
561 }
562 }
563
564 /**
565 * e1000_check_copper_options - Range Checking for Link Options, Copper Version
566 * @adapter: board private structure
567 *
568 * Handles speed and duplex options on copper adapters
569 **/
570
571 static void __devinit
572 e1000_check_copper_options(struct e1000_adapter *adapter)
573 {
574 int speed, dplx, an;
575 int bd = adapter->bd_number;
576
577 { /* Speed */
578 struct e1000_opt_list speed_list[] = {{ 0, "" },
579 { SPEED_10, "" },
580 { SPEED_100, "" },
581 { SPEED_1000, "" }};
582
583 struct e1000_option opt = {
584 .type = list_option,
585 .name = "Speed",
586 .err = "parameter ignored",
587 .def = 0,
588 .arg = { .l = { .nr = ARRAY_SIZE(speed_list),
589 .p = speed_list }}
590 };
591
592 if (num_Speed > bd) {
593 speed = Speed[bd];
594 e1000_validate_option(&speed, &opt, adapter);
595 } else {
596 speed = opt.def;
597 }
598 }
599 { /* Duplex */
600 struct e1000_opt_list dplx_list[] = {{ 0, "" },
601 { HALF_DUPLEX, "" },
602 { FULL_DUPLEX, "" }};
603
604 struct e1000_option opt = {
605 .type = list_option,
606 .name = "Duplex",
607 .err = "parameter ignored",
608 .def = 0,
609 .arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
610 .p = dplx_list }}
611 };
612
613 if (e1000_check_phy_reset_block(&adapter->hw)) {
614 DPRINTK(PROBE, INFO,
615 "Link active due to SoL/IDER Session. "
616 "Speed/Duplex/AutoNeg parameter ignored.\n");
617 return;
618 }
619 if (num_Duplex > bd) {
620 dplx = Duplex[bd];
621 e1000_validate_option(&dplx, &opt, adapter);
622 } else {
623 dplx = opt.def;
624 }
625 }
626
627 if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
628 DPRINTK(PROBE, INFO,
629 "AutoNeg specified along with Speed or Duplex, "
630 "parameter ignored\n");
631 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
632 } else { /* Autoneg */
633 struct e1000_opt_list an_list[] =
634 #define AA "AutoNeg advertising "
635 {{ 0x01, AA "10/HD" },
636 { 0x02, AA "10/FD" },
637 { 0x03, AA "10/FD, 10/HD" },
638 { 0x04, AA "100/HD" },
639 { 0x05, AA "100/HD, 10/HD" },
640 { 0x06, AA "100/HD, 10/FD" },
641 { 0x07, AA "100/HD, 10/FD, 10/HD" },
642 { 0x08, AA "100/FD" },
643 { 0x09, AA "100/FD, 10/HD" },
644 { 0x0a, AA "100/FD, 10/FD" },
645 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
646 { 0x0c, AA "100/FD, 100/HD" },
647 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
648 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
649 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
650 { 0x20, AA "1000/FD" },
651 { 0x21, AA "1000/FD, 10/HD" },
652 { 0x22, AA "1000/FD, 10/FD" },
653 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
654 { 0x24, AA "1000/FD, 100/HD" },
655 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
656 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
657 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
658 { 0x28, AA "1000/FD, 100/FD" },
659 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
660 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
661 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
662 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
663 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
664 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
665 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
666
667 struct e1000_option opt = {
668 .type = list_option,
669 .name = "AutoNeg",
670 .err = "parameter ignored",
671 .def = AUTONEG_ADV_DEFAULT,
672 .arg = { .l = { .nr = ARRAY_SIZE(an_list),
673 .p = an_list }}
674 };
675
676 if (num_AutoNeg > bd) {
677 an = AutoNeg[bd];
678 e1000_validate_option(&an, &opt, adapter);
679 } else {
680 an = opt.def;
681 }
682 adapter->hw.autoneg_advertised = an;
683 }
684
685 switch (speed + dplx) {
686 case 0:
687 adapter->hw.autoneg = adapter->fc_autoneg = 1;
688 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
689 DPRINTK(PROBE, INFO,
690 "Speed and duplex autonegotiation enabled\n");
691 break;
692 case HALF_DUPLEX:
693 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
694 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
695 "Half Duplex only\n");
696 adapter->hw.autoneg = adapter->fc_autoneg = 1;
697 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
698 ADVERTISE_100_HALF;
699 break;
700 case FULL_DUPLEX:
701 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
702 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
703 "Full Duplex only\n");
704 adapter->hw.autoneg = adapter->fc_autoneg = 1;
705 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
706 ADVERTISE_100_FULL |
707 ADVERTISE_1000_FULL;
708 break;
709 case SPEED_10:
710 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
711 "without Duplex\n");
712 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
713 adapter->hw.autoneg = adapter->fc_autoneg = 1;
714 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
715 ADVERTISE_10_FULL;
716 break;
717 case SPEED_10 + HALF_DUPLEX:
718 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
719 adapter->hw.autoneg = adapter->fc_autoneg = 0;
720 adapter->hw.forced_speed_duplex = e1000_10_half;
721 adapter->hw.autoneg_advertised = 0;
722 break;
723 case SPEED_10 + FULL_DUPLEX:
724 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
725 adapter->hw.autoneg = adapter->fc_autoneg = 0;
726 adapter->hw.forced_speed_duplex = e1000_10_full;
727 adapter->hw.autoneg_advertised = 0;
728 break;
729 case SPEED_100:
730 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
731 "without Duplex\n");
732 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
733 "100 Mbps only\n");
734 adapter->hw.autoneg = adapter->fc_autoneg = 1;
735 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
736 ADVERTISE_100_FULL;
737 break;
738 case SPEED_100 + HALF_DUPLEX:
739 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
740 adapter->hw.autoneg = adapter->fc_autoneg = 0;
741 adapter->hw.forced_speed_duplex = e1000_100_half;
742 adapter->hw.autoneg_advertised = 0;
743 break;
744 case SPEED_100 + FULL_DUPLEX:
745 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
746 adapter->hw.autoneg = adapter->fc_autoneg = 0;
747 adapter->hw.forced_speed_duplex = e1000_100_full;
748 adapter->hw.autoneg_advertised = 0;
749 break;
750 case SPEED_1000:
751 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
752 "Duplex\n");
753 DPRINTK(PROBE, INFO,
754 "Using Autonegotiation at 1000 Mbps "
755 "Full Duplex only\n");
756 adapter->hw.autoneg = adapter->fc_autoneg = 1;
757 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
758 break;
759 case SPEED_1000 + HALF_DUPLEX:
760 DPRINTK(PROBE, INFO,
761 "Half Duplex is not supported at 1000 Mbps\n");
762 DPRINTK(PROBE, INFO,
763 "Using Autonegotiation at 1000 Mbps "
764 "Full Duplex only\n");
765 adapter->hw.autoneg = adapter->fc_autoneg = 1;
766 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
767 break;
768 case SPEED_1000 + FULL_DUPLEX:
769 DPRINTK(PROBE, INFO,
770 "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
771 adapter->hw.autoneg = adapter->fc_autoneg = 1;
772 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
773 break;
774 default:
775 BUG();
776 }
777
778 /* Speed, AutoNeg and MDI/MDI-X must all play nice */
779 if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
780 DPRINTK(PROBE, INFO,
781 "Speed, AutoNeg and MDI-X specifications are "
782 "incompatible. Setting MDI-X to a compatible value.\n");
783 }
784 }
785
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