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Linux 3.11-rc3
[cris-mirror.git] / drivers / net / ethernet / intel / e1000 / e1000_param.c
blobc9cde352b1c885acd3c45fee6460afa6fd64deaf
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 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 struct e1000_option {
192 enum { enable_option, range_option, list_option } type;
193 const char *name;
194 const char *err;
195 int def;
196 union {
197 struct { /* range_option info */
198 int min;
199 int max;
200 } r;
201 struct { /* list_option info */
202 int nr;
203 const struct e1000_opt_list { int i; char *str; } *p;
204 } l;
205 } arg;
206 };
207
208 static int e1000_validate_option(unsigned int *value,
209 const struct e1000_option *opt,
210 struct e1000_adapter *adapter)
211 {
212 if (*value == OPTION_UNSET) {
213 *value = opt->def;
214 return 0;
215 }
216
217 switch (opt->type) {
218 case enable_option:
219 switch (*value) {
220 case OPTION_ENABLED:
221 e_dev_info("%s Enabled\n", opt->name);
222 return 0;
223 case OPTION_DISABLED:
224 e_dev_info("%s Disabled\n", opt->name);
225 return 0;
226 }
227 break;
228 case range_option:
229 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
230 e_dev_info("%s set to %i\n", opt->name, *value);
231 return 0;
232 }
233 break;
234 case list_option: {
235 int i;
236 const struct e1000_opt_list *ent;
237
238 for (i = 0; i < opt->arg.l.nr; i++) {
239 ent = &opt->arg.l.p[i];
240 if (*value == ent->i) {
241 if (ent->str[0] != '\0')
242 e_dev_info("%s\n", ent->str);
243 return 0;
244 }
245 }
246 }
247 break;
248 default:
249 BUG();
250 }
251
252 e_dev_info("Invalid %s value specified (%i) %s\n",
253 opt->name, *value, opt->err);
254 *value = opt->def;
255 return -1;
256 }
257
258 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
259 static void e1000_check_copper_options(struct e1000_adapter *adapter);
260
261 /**
262 * e1000_check_options - Range Checking for Command Line Parameters
263 * @adapter: board private structure
264 *
265 * This routine checks all command line parameters for valid user
266 * input. If an invalid value is given, or if no user specified
267 * value exists, a default value is used. The final value is stored
268 * in a variable in the adapter structure.
269 **/
270 void e1000_check_options(struct e1000_adapter *adapter)
271 {
272 struct e1000_option opt;
273 int bd = adapter->bd_number;
274
275 if (bd >= E1000_MAX_NIC) {
276 e_dev_warn("Warning: no configuration for board #%i "
277 "using defaults for all values\n", bd);
278 }
279
280 { /* Transmit Descriptor Count */
281 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
282 int i;
283 e1000_mac_type mac_type = adapter->hw.mac_type;
284
285 opt = (struct e1000_option) {
286 .type = range_option,
287 .name = "Transmit Descriptors",
288 .err = "using default of "
289 __MODULE_STRING(E1000_DEFAULT_TXD),
290 .def = E1000_DEFAULT_TXD,
291 .arg = { .r = {
292 .min = E1000_MIN_TXD,
293 .max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD
294 }}
295 };
296
297 if (num_TxDescriptors > bd) {
298 tx_ring->count = TxDescriptors[bd];
299 e1000_validate_option(&tx_ring->count, &opt, adapter);
300 tx_ring->count = ALIGN(tx_ring->count,
301 REQ_TX_DESCRIPTOR_MULTIPLE);
302 } else {
303 tx_ring->count = opt.def;
304 }
305 for (i = 0; i < adapter->num_tx_queues; i++)
306 tx_ring[i].count = tx_ring->count;
307 }
308 { /* Receive Descriptor Count */
309 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
310 int i;
311 e1000_mac_type mac_type = adapter->hw.mac_type;
312
313 opt = (struct e1000_option) {
314 .type = range_option,
315 .name = "Receive Descriptors",
316 .err = "using default of "
317 __MODULE_STRING(E1000_DEFAULT_RXD),
318 .def = E1000_DEFAULT_RXD,
319 .arg = { .r = {
320 .min = E1000_MIN_RXD,
321 .max = mac_type < e1000_82544 ? E1000_MAX_RXD :
322 E1000_MAX_82544_RXD
323 }}
324 };
325
326 if (num_RxDescriptors > bd) {
327 rx_ring->count = RxDescriptors[bd];
328 e1000_validate_option(&rx_ring->count, &opt, adapter);
329 rx_ring->count = ALIGN(rx_ring->count,
330 REQ_RX_DESCRIPTOR_MULTIPLE);
331 } else {
332 rx_ring->count = opt.def;
333 }
334 for (i = 0; i < adapter->num_rx_queues; i++)
335 rx_ring[i].count = rx_ring->count;
336 }
337 { /* Checksum Offload Enable/Disable */
338 opt = (struct e1000_option) {
339 .type = enable_option,
340 .name = "Checksum Offload",
341 .err = "defaulting to Enabled",
342 .def = OPTION_ENABLED
343 };
344
345 if (num_XsumRX > bd) {
346 unsigned int rx_csum = XsumRX[bd];
347 e1000_validate_option(&rx_csum, &opt, adapter);
348 adapter->rx_csum = rx_csum;
349 } else {
350 adapter->rx_csum = opt.def;
351 }
352 }
353 { /* Flow Control */
354
355 static const struct e1000_opt_list fc_list[] = {
356 { E1000_FC_NONE, "Flow Control Disabled" },
357 { E1000_FC_RX_PAUSE, "Flow Control Receive Only" },
358 { E1000_FC_TX_PAUSE, "Flow Control Transmit Only" },
359 { E1000_FC_FULL, "Flow Control Enabled" },
360 { E1000_FC_DEFAULT, "Flow Control Hardware Default" }
361 };
362
363 opt = (struct e1000_option) {
364 .type = list_option,
365 .name = "Flow Control",
366 .err = "reading default settings from EEPROM",
367 .def = E1000_FC_DEFAULT,
368 .arg = { .l = { .nr = ARRAY_SIZE(fc_list),
369 .p = fc_list }}
370 };
371
372 if (num_FlowControl > bd) {
373 unsigned int fc = FlowControl[bd];
374 e1000_validate_option(&fc, &opt, adapter);
375 adapter->hw.fc = adapter->hw.original_fc = fc;
376 } else {
377 adapter->hw.fc = adapter->hw.original_fc = opt.def;
378 }
379 }
380 { /* Transmit Interrupt Delay */
381 opt = (struct e1000_option) {
382 .type = range_option,
383 .name = "Transmit Interrupt Delay",
384 .err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
385 .def = DEFAULT_TIDV,
386 .arg = { .r = { .min = MIN_TXDELAY,
387 .max = MAX_TXDELAY }}
388 };
389
390 if (num_TxIntDelay > bd) {
391 adapter->tx_int_delay = TxIntDelay[bd];
392 e1000_validate_option(&adapter->tx_int_delay, &opt,
393 adapter);
394 } else {
395 adapter->tx_int_delay = opt.def;
396 }
397 }
398 { /* Transmit Absolute Interrupt Delay */
399 opt = (struct e1000_option) {
400 .type = range_option,
401 .name = "Transmit Absolute Interrupt Delay",
402 .err = "using default of " __MODULE_STRING(DEFAULT_TADV),
403 .def = DEFAULT_TADV,
404 .arg = { .r = { .min = MIN_TXABSDELAY,
405 .max = MAX_TXABSDELAY }}
406 };
407
408 if (num_TxAbsIntDelay > bd) {
409 adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
410 e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
411 adapter);
412 } else {
413 adapter->tx_abs_int_delay = opt.def;
414 }
415 }
416 { /* Receive Interrupt Delay */
417 opt = (struct e1000_option) {
418 .type = range_option,
419 .name = "Receive Interrupt Delay",
420 .err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
421 .def = DEFAULT_RDTR,
422 .arg = { .r = { .min = MIN_RXDELAY,
423 .max = MAX_RXDELAY }}
424 };
425
426 if (num_RxIntDelay > bd) {
427 adapter->rx_int_delay = RxIntDelay[bd];
428 e1000_validate_option(&adapter->rx_int_delay, &opt,
429 adapter);
430 } else {
431 adapter->rx_int_delay = opt.def;
432 }
433 }
434 { /* Receive Absolute Interrupt Delay */
435 opt = (struct e1000_option) {
436 .type = range_option,
437 .name = "Receive Absolute Interrupt Delay",
438 .err = "using default of " __MODULE_STRING(DEFAULT_RADV),
439 .def = DEFAULT_RADV,
440 .arg = { .r = { .min = MIN_RXABSDELAY,
441 .max = MAX_RXABSDELAY }}
442 };
443
444 if (num_RxAbsIntDelay > bd) {
445 adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
446 e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
447 adapter);
448 } else {
449 adapter->rx_abs_int_delay = opt.def;
450 }
451 }
452 { /* Interrupt Throttling Rate */
453 opt = (struct e1000_option) {
454 .type = range_option,
455 .name = "Interrupt Throttling Rate (ints/sec)",
456 .err = "using default of " __MODULE_STRING(DEFAULT_ITR),
457 .def = DEFAULT_ITR,
458 .arg = { .r = { .min = MIN_ITR,
459 .max = MAX_ITR }}
460 };
461
462 if (num_InterruptThrottleRate > bd) {
463 adapter->itr = InterruptThrottleRate[bd];
464 switch (adapter->itr) {
465 case 0:
466 e_dev_info("%s turned off\n", opt.name);
467 break;
468 case 1:
469 e_dev_info("%s set to dynamic mode\n",
470 opt.name);
471 adapter->itr_setting = adapter->itr;
472 adapter->itr = 20000;
473 break;
474 case 3:
475 e_dev_info("%s set to dynamic conservative "
476 "mode\n", opt.name);
477 adapter->itr_setting = adapter->itr;
478 adapter->itr = 20000;
479 break;
480 case 4:
481 e_dev_info("%s set to simplified "
482 "(2000-8000) ints mode\n", opt.name);
483 adapter->itr_setting = adapter->itr;
484 break;
485 default:
486 e1000_validate_option(&adapter->itr, &opt,
487 adapter);
488 /* save the setting, because the dynamic bits
489 * change itr.
490 * clear the lower two bits because they are
491 * used as control
492 */
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 opt = (struct e1000_option) {
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
518 switch (adapter->hw.media_type) {
519 case e1000_media_type_fiber:
520 case e1000_media_type_internal_serdes:
521 e1000_check_fiber_options(adapter);
522 break;
523 case e1000_media_type_copper:
524 e1000_check_copper_options(adapter);
525 break;
526 default:
527 BUG();
528 }
529 }
530
531 /**
532 * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
533 * @adapter: board private structure
534 *
535 * Handles speed and duplex options on fiber adapters
536 **/
537 static void e1000_check_fiber_options(struct e1000_adapter *adapter)
538 {
539 int bd = adapter->bd_number;
540 if (num_Speed > bd) {
541 e_dev_info("Speed not valid for fiber adapters, parameter "
542 "ignored\n");
543 }
544
545 if (num_Duplex > bd) {
546 e_dev_info("Duplex not valid for fiber adapters, parameter "
547 "ignored\n");
548 }
549
550 if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
551 e_dev_info("AutoNeg other than 1000/Full is not valid for fiber"
552 "adapters, parameter ignored\n");
553 }
554 }
555
556 /**
557 * e1000_check_copper_options - Range Checking for Link Options, Copper Version
558 * @adapter: board private structure
559 *
560 * Handles speed and duplex options on copper adapters
561 **/
562 static void e1000_check_copper_options(struct e1000_adapter *adapter)
563 {
564 struct e1000_option opt;
565 unsigned int speed, dplx, an;
566 int bd = adapter->bd_number;
567
568 { /* Speed */
569 static const struct e1000_opt_list speed_list[] = {
570 { 0, "" },
571 { SPEED_10, "" },
572 { SPEED_100, "" },
573 { SPEED_1000, "" }};
574
575 opt = (struct e1000_option) {
576 .type = list_option,
577 .name = "Speed",
578 .err = "parameter ignored",
579 .def = 0,
580 .arg = { .l = { .nr = ARRAY_SIZE(speed_list),
581 .p = speed_list }}
582 };
583
584 if (num_Speed > bd) {
585 speed = Speed[bd];
586 e1000_validate_option(&speed, &opt, adapter);
587 } else {
588 speed = opt.def;
589 }
590 }
591 { /* Duplex */
592 static const struct e1000_opt_list dplx_list[] = {
593 { 0, "" },
594 { HALF_DUPLEX, "" },
595 { FULL_DUPLEX, "" }};
596
597 opt = (struct e1000_option) {
598 .type = list_option,
599 .name = "Duplex",
600 .err = "parameter ignored",
601 .def = 0,
602 .arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
603 .p = dplx_list }}
604 };
605
606 if (num_Duplex > bd) {
607 dplx = Duplex[bd];
608 e1000_validate_option(&dplx, &opt, adapter);
609 } else {
610 dplx = opt.def;
611 }
612 }
613
614 if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
615 e_dev_info("AutoNeg specified along with Speed or Duplex, "
616 "parameter ignored\n");
617 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
618 } else { /* Autoneg */
619 static const struct e1000_opt_list an_list[] =
620 #define AA "AutoNeg advertising "
621 {{ 0x01, AA "10/HD" },
622 { 0x02, AA "10/FD" },
623 { 0x03, AA "10/FD, 10/HD" },
624 { 0x04, AA "100/HD" },
625 { 0x05, AA "100/HD, 10/HD" },
626 { 0x06, AA "100/HD, 10/FD" },
627 { 0x07, AA "100/HD, 10/FD, 10/HD" },
628 { 0x08, AA "100/FD" },
629 { 0x09, AA "100/FD, 10/HD" },
630 { 0x0a, AA "100/FD, 10/FD" },
631 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
632 { 0x0c, AA "100/FD, 100/HD" },
633 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
634 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
635 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
636 { 0x20, AA "1000/FD" },
637 { 0x21, AA "1000/FD, 10/HD" },
638 { 0x22, AA "1000/FD, 10/FD" },
639 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
640 { 0x24, AA "1000/FD, 100/HD" },
641 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
642 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
643 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
644 { 0x28, AA "1000/FD, 100/FD" },
645 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
646 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
647 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
648 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
649 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
650 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
651 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
652
653 opt = (struct e1000_option) {
654 .type = list_option,
655 .name = "AutoNeg",
656 .err = "parameter ignored",
657 .def = AUTONEG_ADV_DEFAULT,
658 .arg = { .l = { .nr = ARRAY_SIZE(an_list),
659 .p = an_list }}
660 };
661
662 if (num_AutoNeg > bd) {
663 an = AutoNeg[bd];
664 e1000_validate_option(&an, &opt, adapter);
665 } else {
666 an = opt.def;
667 }
668 adapter->hw.autoneg_advertised = an;
669 }
670
671 switch (speed + dplx) {
672 case 0:
673 adapter->hw.autoneg = adapter->fc_autoneg = 1;
674 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
675 e_dev_info("Speed and duplex autonegotiation "
676 "enabled\n");
677 break;
678 case HALF_DUPLEX:
679 e_dev_info("Half Duplex specified without Speed\n");
680 e_dev_info("Using Autonegotiation at Half Duplex only\n");
681 adapter->hw.autoneg = adapter->fc_autoneg = 1;
682 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
683 ADVERTISE_100_HALF;
684 break;
685 case FULL_DUPLEX:
686 e_dev_info("Full Duplex specified without Speed\n");
687 e_dev_info("Using Autonegotiation at Full Duplex only\n");
688 adapter->hw.autoneg = adapter->fc_autoneg = 1;
689 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
690 ADVERTISE_100_FULL |
691 ADVERTISE_1000_FULL;
692 break;
693 case SPEED_10:
694 e_dev_info("10 Mbps Speed specified without Duplex\n");
695 e_dev_info("Using Autonegotiation at 10 Mbps only\n");
696 adapter->hw.autoneg = adapter->fc_autoneg = 1;
697 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
698 ADVERTISE_10_FULL;
699 break;
700 case SPEED_10 + HALF_DUPLEX:
701 e_dev_info("Forcing to 10 Mbps Half Duplex\n");
702 adapter->hw.autoneg = adapter->fc_autoneg = 0;
703 adapter->hw.forced_speed_duplex = e1000_10_half;
704 adapter->hw.autoneg_advertised = 0;
705 break;
706 case SPEED_10 + FULL_DUPLEX:
707 e_dev_info("Forcing to 10 Mbps Full Duplex\n");
708 adapter->hw.autoneg = adapter->fc_autoneg = 0;
709 adapter->hw.forced_speed_duplex = e1000_10_full;
710 adapter->hw.autoneg_advertised = 0;
711 break;
712 case SPEED_100:
713 e_dev_info("100 Mbps Speed specified without Duplex\n");
714 e_dev_info("Using Autonegotiation at 100 Mbps only\n");
715 adapter->hw.autoneg = adapter->fc_autoneg = 1;
716 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
717 ADVERTISE_100_FULL;
718 break;
719 case SPEED_100 + HALF_DUPLEX:
720 e_dev_info("Forcing to 100 Mbps Half Duplex\n");
721 adapter->hw.autoneg = adapter->fc_autoneg = 0;
722 adapter->hw.forced_speed_duplex = e1000_100_half;
723 adapter->hw.autoneg_advertised = 0;
724 break;
725 case SPEED_100 + FULL_DUPLEX:
726 e_dev_info("Forcing to 100 Mbps Full Duplex\n");
727 adapter->hw.autoneg = adapter->fc_autoneg = 0;
728 adapter->hw.forced_speed_duplex = e1000_100_full;
729 adapter->hw.autoneg_advertised = 0;
730 break;
731 case SPEED_1000:
732 e_dev_info("1000 Mbps Speed specified without Duplex\n");
733 goto full_duplex_only;
734 case SPEED_1000 + HALF_DUPLEX:
735 e_dev_info("Half Duplex is not supported at 1000 Mbps\n");
736 /* fall through */
737 case SPEED_1000 + FULL_DUPLEX:
738 full_duplex_only:
739 e_dev_info("Using Autonegotiation at 1000 Mbps Full Duplex "
740 "only\n");
741 adapter->hw.autoneg = adapter->fc_autoneg = 1;
742 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
743 break;
744 default:
745 BUG();
746 }
747
748 /* Speed, AutoNeg and MDI/MDI-X must all play nice */
749 if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
750 e_dev_info("Speed, AutoNeg and MDI-X specs are incompatible. "
751 "Setting MDI-X to a compatible value.\n");
752 }
753 }
754
CRIS linux kernel tree