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