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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 struct e1000_opt_list { int i; char *str; } *p;
212 } l;
213 } arg;
214};
215
216static int __devinit
217e1000_validate_option(unsigned int *value,
218 const struct e1000_option *opt,
219 struct e1000_adapter *adapter)
220{
221 if (*value == OPTION_UNSET) {
222 *value = opt->def;
223 return 0;
224 }
225
226 switch (opt->type) {
227 case enable_option:
228 switch (*value) {
229 case OPTION_ENABLED:
230 DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
231 return 0;
232 case OPTION_DISABLED:
233 DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
234 return 0;
235 }
236 break;
237 case range_option:
238 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
239 DPRINTK(PROBE, INFO,
240 "%s set to %i\n", opt->name, *value);
241 return 0;
242 }
243 break;
244 case list_option: {
245 int i;
246 struct e1000_opt_list *ent;
247
248 for (i = 0; i < opt->arg.l.nr; i++) {
249 ent = &opt->arg.l.p[i];
250 if (*value == ent->i) {
251 if (ent->str[0] != '\0')
252 DPRINTK(PROBE, INFO, "%s\n", ent->str);
253 return 0;
254 }
255 }
256 }
257 break;
258 default:
259 BUG();
260 }
261
262 DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
263 opt->name, *value, opt->err);
264 *value = opt->def;
265 return -1;
266}
267
268static void e1000_check_fiber_options(struct e1000_adapter *adapter);
269static void e1000_check_copper_options(struct e1000_adapter *adapter);
270
271/**
272 * e1000_check_options - Range Checking for Command Line Parameters
273 * @adapter: board private structure
274 *
275 * This routine checks all command line parameters for valid user
276 * input. If an invalid value is given, or if no user specified
277 * value exists, a default value is used. The final value is stored
278 * in a variable in the adapter structure.
279 **/
280
281void __devinit
282e1000_check_options(struct e1000_adapter *adapter)
283{
284 int bd = adapter->bd_number;
285 if (bd >= E1000_MAX_NIC) {
286 DPRINTK(PROBE, NOTICE,
287 "Warning: no configuration for board #%i\n", bd);
288 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
289 }
290
291 { /* Transmit Descriptor Count */
292 struct e1000_option opt = {
293 .type = range_option,
294 .name = "Transmit Descriptors",
295 .err = "using default of "
296 __MODULE_STRING(E1000_DEFAULT_TXD),
297 .def = E1000_DEFAULT_TXD,
298 .arg = { .r = { .min = E1000_MIN_TXD }}
299 };
300 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
301 int i;
302 e1000_mac_type mac_type = adapter->hw.mac_type;
303 opt.arg.r.max = mac_type < e1000_82544 ?
304 E1000_MAX_TXD : E1000_MAX_82544_TXD;
305
306 if (num_TxDescriptors > bd) {
307 tx_ring->count = TxDescriptors[bd];
308 e1000_validate_option(&tx_ring->count, &opt, adapter);
309 tx_ring->count = ALIGN(tx_ring->count,
310 REQ_TX_DESCRIPTOR_MULTIPLE);
311 } else {
312 tx_ring->count = opt.def;
313 }
314 for (i = 0; i < adapter->num_tx_queues; i++)
315 tx_ring[i].count = tx_ring->count;
316 }
317 { /* Receive Descriptor Count */
318 struct e1000_option opt = {
319 .type = range_option,
320 .name = "Receive Descriptors",
321 .err = "using default of "
322 __MODULE_STRING(E1000_DEFAULT_RXD),
323 .def = E1000_DEFAULT_RXD,
324 .arg = { .r = { .min = E1000_MIN_RXD }}
325 };
326 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
327 int i;
328 e1000_mac_type mac_type = adapter->hw.mac_type;
329 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
330 E1000_MAX_82544_RXD;
331
332 if (num_RxDescriptors > bd) {
333 rx_ring->count = RxDescriptors[bd];
334 e1000_validate_option(&rx_ring->count, &opt, adapter);
335 rx_ring->count = ALIGN(rx_ring->count,
336 REQ_RX_DESCRIPTOR_MULTIPLE);
337 } else {
338 rx_ring->count = opt.def;
339 }
340 for (i = 0; i < adapter->num_rx_queues; i++)
341 rx_ring[i].count = rx_ring->count;
342 }
343 { /* Checksum Offload Enable/Disable */
344 struct e1000_option opt = {
345 .type = enable_option,
346 .name = "Checksum Offload",
347 .err = "defaulting to Enabled",
348 .def = OPTION_ENABLED
349 };
350
351 if (num_XsumRX > bd) {
352 unsigned int rx_csum = XsumRX[bd];
353 e1000_validate_option(&rx_csum, &opt, adapter);
354 adapter->rx_csum = rx_csum;
355 } else {
356 adapter->rx_csum = opt.def;
357 }
358 }
359 { /* Flow Control */
360
361 struct e1000_opt_list fc_list[] =
362 {{ E1000_FC_NONE, "Flow Control Disabled" },
363 { E1000_FC_RX_PAUSE,"Flow Control Receive Only" },
364 { E1000_FC_TX_PAUSE,"Flow Control Transmit Only" },
365 { E1000_FC_FULL, "Flow Control Enabled" },
366 { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
367
368 struct e1000_option opt = {
369 .type = list_option,
370 .name = "Flow Control",
371 .err = "reading default settings from EEPROM",
372 .def = E1000_FC_DEFAULT,
373 .arg = { .l = { .nr = ARRAY_SIZE(fc_list),
374 .p = fc_list }}
375 };
376
377 if (num_FlowControl > bd) {
378 unsigned int fc = FlowControl[bd];
379 e1000_validate_option(&fc, &opt, adapter);
380 adapter->hw.fc = adapter->hw.original_fc = fc;
381 } else {
382 adapter->hw.fc = adapter->hw.original_fc = opt.def;
383 }
384 }
385 { /* Transmit Interrupt Delay */
386 struct e1000_option opt = {
387 .type = range_option,
388 .name = "Transmit Interrupt Delay",
389 .err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
390 .def = DEFAULT_TIDV,
391 .arg = { .r = { .min = MIN_TXDELAY,
392 .max = MAX_TXDELAY }}
393 };
394
395 if (num_TxIntDelay > bd) {
396 adapter->tx_int_delay = TxIntDelay[bd];
397 e1000_validate_option(&adapter->tx_int_delay, &opt,
398 adapter);
399 } else {
400 adapter->tx_int_delay = opt.def;
401 }
402 }
403 { /* Transmit Absolute Interrupt Delay */
404 struct e1000_option opt = {
405 .type = range_option,
406 .name = "Transmit Absolute Interrupt Delay",
407 .err = "using default of " __MODULE_STRING(DEFAULT_TADV),
408 .def = DEFAULT_TADV,
409 .arg = { .r = { .min = MIN_TXABSDELAY,
410 .max = MAX_TXABSDELAY }}
411 };
412
413 if (num_TxAbsIntDelay > bd) {
414 adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
415 e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
416 adapter);
417 } else {
418 adapter->tx_abs_int_delay = opt.def;
419 }
420 }
421 { /* Receive Interrupt Delay */
422 struct e1000_option opt = {
423 .type = range_option,
424 .name = "Receive Interrupt Delay",
425 .err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
426 .def = DEFAULT_RDTR,
427 .arg = { .r = { .min = MIN_RXDELAY,
428 .max = MAX_RXDELAY }}
429 };
430
431 if (num_RxIntDelay > bd) {
432 adapter->rx_int_delay = RxIntDelay[bd];
433 e1000_validate_option(&adapter->rx_int_delay, &opt,
434 adapter);
435 } else {
436 adapter->rx_int_delay = opt.def;
437 }
438 }
439 { /* Receive Absolute Interrupt Delay */
440 struct e1000_option opt = {
441 .type = range_option,
442 .name = "Receive Absolute Interrupt Delay",
443 .err = "using default of " __MODULE_STRING(DEFAULT_RADV),
444 .def = DEFAULT_RADV,
445 .arg = { .r = { .min = MIN_RXABSDELAY,
446 .max = MAX_RXABSDELAY }}
447 };
448
449 if (num_RxAbsIntDelay > bd) {
450 adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
451 e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
452 adapter);
453 } else {
454 adapter->rx_abs_int_delay = opt.def;
455 }
456 }
457 { /* Interrupt Throttling Rate */
458 struct e1000_option opt = {
459 .type = range_option,
460 .name = "Interrupt Throttling Rate (ints/sec)",
461 .err = "using default of " __MODULE_STRING(DEFAULT_ITR),
462 .def = DEFAULT_ITR,
463 .arg = { .r = { .min = MIN_ITR,
464 .max = MAX_ITR }}
465 };
466
467 if (num_InterruptThrottleRate > bd) {
468 adapter->itr = InterruptThrottleRate[bd];
469 switch (adapter->itr) {
470 case 0:
471 DPRINTK(PROBE, INFO, "%s turned off\n",
472 opt.name);
473 break;
474 case 1:
475 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
476 opt.name);
477 adapter->itr_setting = adapter->itr;
478 adapter->itr = 20000;
479 break;
480 case 3:
481 DPRINTK(PROBE, INFO,
482 "%s set to dynamic conservative mode\n",
483 opt.name);
484 adapter->itr_setting = adapter->itr;
485 adapter->itr = 20000;
486 break;
487 default:
488 e1000_validate_option(&adapter->itr, &opt,
489 adapter);
490 /* save the setting, because the dynamic bits change itr */
491 /* clear the lower two bits because they are
492 * used as control */
493 adapter->itr_setting = adapter->itr & ~3;
494 break;
495 }
496 } else {
497 adapter->itr_setting = opt.def;
498 adapter->itr = 20000;
499 }
500 }
501 { /* Smart Power Down */
502 struct e1000_option opt = {
503 .type = enable_option,
504 .name = "PHY Smart Power Down",
505 .err = "defaulting to Disabled",
506 .def = OPTION_DISABLED
507 };
508
509 if (num_SmartPowerDownEnable > bd) {
510 unsigned int spd = SmartPowerDownEnable[bd];
511 e1000_validate_option(&spd, &opt, adapter);
512 adapter->smart_power_down = spd;
513 } else {
514 adapter->smart_power_down = opt.def;
515 }
516 }
517 { /* Kumeran Lock Loss Workaround */
518 struct e1000_option opt = {
519 .type = enable_option,
520 .name = "Kumeran Lock Loss Workaround",
521 .err = "defaulting to Enabled",
522 .def = OPTION_ENABLED
523 };
524
525 if (num_KumeranLockLoss > bd) {
526 unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
527 e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
528 adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
529 } else {
530 adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def;
531 }
532 }
533
534 switch (adapter->hw.media_type) {
535 case e1000_media_type_fiber:
536 case e1000_media_type_internal_serdes:
537 e1000_check_fiber_options(adapter);
538 break;
539 case e1000_media_type_copper:
540 e1000_check_copper_options(adapter);
541 break;
542 default:
543 BUG();
544 }
545}
546
547/**
548 * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
549 * @adapter: board private structure
550 *
551 * Handles speed and duplex options on fiber adapters
552 **/
553
554static void __devinit
555e1000_check_fiber_options(struct e1000_adapter *adapter)
556{
557 int bd = adapter->bd_number;
558 if (num_Speed > bd) {
559 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
560 "parameter ignored\n");
561 }
562
563 if (num_Duplex > bd) {
564 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
565 "parameter ignored\n");
566 }
567
568 if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
569 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
570 "not valid for fiber adapters, "
571 "parameter ignored\n");
572 }
573}
574
575/**
576 * e1000_check_copper_options - Range Checking for Link Options, Copper Version
577 * @adapter: board private structure
578 *
579 * Handles speed and duplex options on copper adapters
580 **/
581
582static void __devinit
583e1000_check_copper_options(struct e1000_adapter *adapter)
584{
585 unsigned int speed, dplx, an;
586 int bd = adapter->bd_number;
587
588 { /* Speed */
589 struct e1000_opt_list speed_list[] = {{ 0, "" },
590 { SPEED_10, "" },
591 { SPEED_100, "" },
592 { SPEED_1000, "" }};
593
594 struct e1000_option opt = {
595 .type = list_option,
596 .name = "Speed",
597 .err = "parameter ignored",
598 .def = 0,
599 .arg = { .l = { .nr = ARRAY_SIZE(speed_list),
600 .p = speed_list }}
601 };
602
603 if (num_Speed > bd) {
604 speed = Speed[bd];
605 e1000_validate_option(&speed, &opt, adapter);
606 } else {
607 speed = opt.def;
608 }
609 }
610 { /* Duplex */
611 struct e1000_opt_list dplx_list[] = {{ 0, "" },
612 { HALF_DUPLEX, "" },
613 { FULL_DUPLEX, "" }};
614
615 struct e1000_option opt = {
616 .type = list_option,
617 .name = "Duplex",
618 .err = "parameter ignored",
619 .def = 0,
620 .arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
621 .p = dplx_list }}
622 };
623
624 if (e1000_check_phy_reset_block(&adapter->hw)) {
625 DPRINTK(PROBE, INFO,
626 "Link active due to SoL/IDER Session. "
627 "Speed/Duplex/AutoNeg parameter ignored.\n");
628 return;
629 }
630 if (num_Duplex > bd) {
631 dplx = Duplex[bd];
632 e1000_validate_option(&dplx, &opt, adapter);
633 } else {
634 dplx = opt.def;
635 }
636 }
637
638 if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
639 DPRINTK(PROBE, INFO,
640 "AutoNeg specified along with Speed or Duplex, "
641 "parameter ignored\n");
642 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
643 } else { /* Autoneg */
644 struct e1000_opt_list an_list[] =
645 #define AA "AutoNeg advertising "
646 {{ 0x01, AA "10/HD" },
647 { 0x02, AA "10/FD" },
648 { 0x03, AA "10/FD, 10/HD" },
649 { 0x04, AA "100/HD" },
650 { 0x05, AA "100/HD, 10/HD" },
651 { 0x06, AA "100/HD, 10/FD" },
652 { 0x07, AA "100/HD, 10/FD, 10/HD" },
653 { 0x08, AA "100/FD" },
654 { 0x09, AA "100/FD, 10/HD" },
655 { 0x0a, AA "100/FD, 10/FD" },
656 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
657 { 0x0c, AA "100/FD, 100/HD" },
658 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
659 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
660 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
661 { 0x20, AA "1000/FD" },
662 { 0x21, AA "1000/FD, 10/HD" },
663 { 0x22, AA "1000/FD, 10/FD" },
664 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
665 { 0x24, AA "1000/FD, 100/HD" },
666 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
667 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
668 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
669 { 0x28, AA "1000/FD, 100/FD" },
670 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
671 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
672 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
673 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
674 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
675 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
676 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
677
678 struct e1000_option opt = {
679 .type = list_option,
680 .name = "AutoNeg",
681 .err = "parameter ignored",
682 .def = AUTONEG_ADV_DEFAULT,
683 .arg = { .l = { .nr = ARRAY_SIZE(an_list),
684 .p = an_list }}
685 };
686
687 if (num_AutoNeg > bd) {
688 an = AutoNeg[bd];
689 e1000_validate_option(&an, &opt, adapter);
690 } else {
691 an = opt.def;
692 }
693 adapter->hw.autoneg_advertised = an;
694 }
695
696 switch (speed + dplx) {
697 case 0:
698 adapter->hw.autoneg = adapter->fc_autoneg = 1;
699 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
700 DPRINTK(PROBE, INFO,
701 "Speed and duplex autonegotiation enabled\n");
702 break;
703 case HALF_DUPLEX:
704 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
705 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
706 "Half Duplex only\n");
707 adapter->hw.autoneg = adapter->fc_autoneg = 1;
708 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
709 ADVERTISE_100_HALF;
710 break;
711 case FULL_DUPLEX:
712 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
713 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
714 "Full Duplex only\n");
715 adapter->hw.autoneg = adapter->fc_autoneg = 1;
716 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
717 ADVERTISE_100_FULL |
718 ADVERTISE_1000_FULL;
719 break;
720 case SPEED_10:
721 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
722 "without Duplex\n");
723 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
724 adapter->hw.autoneg = adapter->fc_autoneg = 1;
725 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
726 ADVERTISE_10_FULL;
727 break;
728 case SPEED_10 + HALF_DUPLEX:
729 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
730 adapter->hw.autoneg = adapter->fc_autoneg = 0;
731 adapter->hw.forced_speed_duplex = e1000_10_half;
732 adapter->hw.autoneg_advertised = 0;
733 break;
734 case SPEED_10 + FULL_DUPLEX:
735 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
736 adapter->hw.autoneg = adapter->fc_autoneg = 0;
737 adapter->hw.forced_speed_duplex = e1000_10_full;
738 adapter->hw.autoneg_advertised = 0;
739 break;
740 case SPEED_100:
741 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
742 "without Duplex\n");
743 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
744 "100 Mbps only\n");
745 adapter->hw.autoneg = adapter->fc_autoneg = 1;
746 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
747 ADVERTISE_100_FULL;
748 break;
749 case SPEED_100 + HALF_DUPLEX:
750 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
751 adapter->hw.autoneg = adapter->fc_autoneg = 0;
752 adapter->hw.forced_speed_duplex = e1000_100_half;
753 adapter->hw.autoneg_advertised = 0;
754 break;
755 case SPEED_100 + FULL_DUPLEX:
756 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
757 adapter->hw.autoneg = adapter->fc_autoneg = 0;
758 adapter->hw.forced_speed_duplex = e1000_100_full;
759 adapter->hw.autoneg_advertised = 0;
760 break;
761 case SPEED_1000:
762 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
763 "Duplex\n");
764 goto full_duplex_only;
765 case SPEED_1000 + HALF_DUPLEX:
766 DPRINTK(PROBE, INFO,
767 "Half Duplex is not supported at 1000 Mbps\n");
768 /* fall through */
769 case SPEED_1000 + FULL_DUPLEX:
770full_duplex_only:
771 DPRINTK(PROBE, INFO,
772 "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
773 adapter->hw.autoneg = adapter->fc_autoneg = 1;
774 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
775 break;
776 default:
777 BUG();
778 }
779
780 /* Speed, AutoNeg and MDI/MDI-X must all play nice */
781 if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
782 DPRINTK(PROBE, INFO,
783 "Speed, AutoNeg and MDI-X specifications are "
784 "incompatible. Setting MDI-X to a compatible value.\n");
785 }
786}
787