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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 */
60E1000_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 */
69E1000_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 */
81E1000_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 */
92E1000_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 */
108E1000_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 */
122E1000_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 */
134E1000_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 */
141E1000_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 */
150E1000_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 */
160E1000_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 */
169E1000_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 */
178E1000_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 */
189E1000_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 */
197E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
198
199struct 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
216static 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
267static void e1000_check_fiber_options(struct e1000_adapter *adapter);
268static 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
280void __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
558static 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
585static 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:
775full_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