tjh.dev
Linux kernel mirror (for testing)
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1/*******************************************************************************
2
3
4 Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2 of the License, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 more details.
15
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc., 59
18 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20 The full GNU General Public License is included in this distribution in the
21 file called LICENSE.
22
23 Contact Information:
24 Linux NICS <linux.nics@intel.com>
25 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 int num_##X = 0; \
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
61E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
62
63/* Receive Descriptor Count
64 *
65 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
66 * Valid Range: 80-4096 for 82544 and newer
67 *
68 * Default Value: 256
69 */
70
71E1000_PARAM(RxDescriptors, "Number of receive descriptors");
72
73/* User Specified Speed Override
74 *
75 * Valid Range: 0, 10, 100, 1000
76 * - 0 - auto-negotiate at all supported speeds
77 * - 10 - only link at 10 Mbps
78 * - 100 - only link at 100 Mbps
79 * - 1000 - only link at 1000 Mbps
80 *
81 * Default Value: 0
82 */
83
84E1000_PARAM(Speed, "Speed setting");
85
86/* User Specified Duplex Override
87 *
88 * Valid Range: 0-2
89 * - 0 - auto-negotiate for duplex
90 * - 1 - only link at half duplex
91 * - 2 - only link at full duplex
92 *
93 * Default Value: 0
94 */
95
96E1000_PARAM(Duplex, "Duplex setting");
97
98/* Auto-negotiation Advertisement Override
99 *
100 * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
101 *
102 * The AutoNeg value is a bit mask describing which speed and duplex
103 * combinations should be advertised during auto-negotiation.
104 * The supported speed and duplex modes are listed below
105 *
106 * Bit 7 6 5 4 3 2 1 0
107 * Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
108 * Duplex Full Full Half Full Half
109 *
110 * Default Value: 0x2F (copper); 0x20 (fiber)
111 */
112
113E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
114
115/* User Specified Flow Control Override
116 *
117 * Valid Range: 0-3
118 * - 0 - No Flow Control
119 * - 1 - Rx only, respond to PAUSE frames but do not generate them
120 * - 2 - Tx only, generate PAUSE frames but ignore them on receive
121 * - 3 - Full Flow Control Support
122 *
123 * Default Value: Read flow control settings from the EEPROM
124 */
125
126E1000_PARAM(FlowControl, "Flow Control setting");
127
128/* XsumRX - Receive Checksum Offload Enable/Disable
129 *
130 * Valid Range: 0, 1
131 * - 0 - disables all checksum offload
132 * - 1 - enables receive IP/TCP/UDP checksum offload
133 * on 82543 and newer -based NICs
134 *
135 * Default Value: 1
136 */
137
138E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
139
140/* Transmit Interrupt Delay in units of 1.024 microseconds
141 *
142 * Valid Range: 0-65535
143 *
144 * Default Value: 64
145 */
146
147E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
148
149/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
150 *
151 * Valid Range: 0-65535
152 *
153 * Default Value: 0
154 */
155
156E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
157
158/* Receive Interrupt Delay in units of 1.024 microseconds
159 *
160 * Valid Range: 0-65535
161 *
162 * Default Value: 0
163 */
164
165E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
166
167/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
168 *
169 * Valid Range: 0-65535
170 *
171 * Default Value: 128
172 */
173
174E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
175
176/* Interrupt Throttle Rate (interrupts/sec)
177 *
178 * Valid Range: 100-100000 (0=off, 1=dynamic)
179 *
180 * Default Value: 1
181 */
182
183E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
184
185#define AUTONEG_ADV_DEFAULT 0x2F
186#define AUTONEG_ADV_MASK 0x2F
187#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
188
189#define DEFAULT_RDTR 0
190#define MAX_RXDELAY 0xFFFF
191#define MIN_RXDELAY 0
192
193#define DEFAULT_RADV 128
194#define MAX_RXABSDELAY 0xFFFF
195#define MIN_RXABSDELAY 0
196
197#define DEFAULT_TIDV 64
198#define MAX_TXDELAY 0xFFFF
199#define MIN_TXDELAY 0
200
201#define DEFAULT_TADV 64
202#define MAX_TXABSDELAY 0xFFFF
203#define MIN_TXABSDELAY 0
204
205#define DEFAULT_ITR 8000
206#define MAX_ITR 100000
207#define MIN_ITR 100
208
209struct e1000_option {
210 enum { enable_option, range_option, list_option } type;
211 char *name;
212 char *err;
213 int def;
214 union {
215 struct { /* range_option info */
216 int min;
217 int max;
218 } r;
219 struct { /* list_option info */
220 int nr;
221 struct e1000_opt_list { int i; char *str; } *p;
222 } l;
223 } arg;
224};
225
226static int __devinit
227e1000_validate_option(int *value, struct e1000_option *opt,
228 struct e1000_adapter *adapter)
229{
230 if(*value == OPTION_UNSET) {
231 *value = opt->def;
232 return 0;
233 }
234
235 switch (opt->type) {
236 case enable_option:
237 switch (*value) {
238 case OPTION_ENABLED:
239 DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
240 return 0;
241 case OPTION_DISABLED:
242 DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
243 return 0;
244 }
245 break;
246 case range_option:
247 if(*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
248 DPRINTK(PROBE, INFO,
249 "%s set to %i\n", opt->name, *value);
250 return 0;
251 }
252 break;
253 case list_option: {
254 int i;
255 struct e1000_opt_list *ent;
256
257 for(i = 0; i < opt->arg.l.nr; i++) {
258 ent = &opt->arg.l.p[i];
259 if(*value == ent->i) {
260 if(ent->str[0] != '\0')
261 DPRINTK(PROBE, INFO, "%s\n", ent->str);
262 return 0;
263 }
264 }
265 }
266 break;
267 default:
268 BUG();
269 }
270
271 DPRINTK(PROBE, INFO, "Invalid %s specified (%i) %s\n",
272 opt->name, *value, opt->err);
273 *value = opt->def;
274 return -1;
275}
276
277static void e1000_check_fiber_options(struct e1000_adapter *adapter);
278static void e1000_check_copper_options(struct e1000_adapter *adapter);
279
280/**
281 * e1000_check_options - Range Checking for Command Line Parameters
282 * @adapter: board private structure
283 *
284 * This routine checks all command line parameters for valid user
285 * input. If an invalid value is given, or if no user specified
286 * value exists, a default value is used. The final value is stored
287 * in a variable in the adapter structure.
288 **/
289
290void __devinit
291e1000_check_options(struct e1000_adapter *adapter)
292{
293 int bd = adapter->bd_number;
294 if(bd >= E1000_MAX_NIC) {
295 DPRINTK(PROBE, NOTICE,
296 "Warning: no configuration for board #%i\n", bd);
297 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
298 }
299
300 { /* Transmit Descriptor Count */
301 struct e1000_option opt = {
302 .type = range_option,
303 .name = "Transmit Descriptors",
304 .err = "using default of "
305 __MODULE_STRING(E1000_DEFAULT_TXD),
306 .def = E1000_DEFAULT_TXD,
307 .arg = { .r = { .min = E1000_MIN_TXD }}
308 };
309 struct e1000_desc_ring *tx_ring = &adapter->tx_ring;
310 e1000_mac_type mac_type = adapter->hw.mac_type;
311 opt.arg.r.max = mac_type < e1000_82544 ?
312 E1000_MAX_TXD : E1000_MAX_82544_TXD;
313
314 if (num_TxDescriptors > bd) {
315 tx_ring->count = TxDescriptors[bd];
316 e1000_validate_option(&tx_ring->count, &opt, adapter);
317 E1000_ROUNDUP(tx_ring->count,
318 REQ_TX_DESCRIPTOR_MULTIPLE);
319 } else {
320 tx_ring->count = opt.def;
321 }
322 }
323 { /* Receive Descriptor Count */
324 struct e1000_option opt = {
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 = { .min = E1000_MIN_RXD }}
331 };
332 struct e1000_desc_ring *rx_ring = &adapter->rx_ring;
333 e1000_mac_type mac_type = adapter->hw.mac_type;
334 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
335 E1000_MAX_82544_RXD;
336
337 if (num_RxDescriptors > bd) {
338 rx_ring->count = RxDescriptors[bd];
339 e1000_validate_option(&rx_ring->count, &opt, adapter);
340 E1000_ROUNDUP(rx_ring->count,
341 REQ_RX_DESCRIPTOR_MULTIPLE);
342 } else {
343 rx_ring->count = opt.def;
344 }
345 }
346 { /* Checksum Offload Enable/Disable */
347 struct e1000_option opt = {
348 .type = enable_option,
349 .name = "Checksum Offload",
350 .err = "defaulting to Enabled",
351 .def = OPTION_ENABLED
352 };
353
354 if (num_XsumRX > bd) {
355 int rx_csum = XsumRX[bd];
356 e1000_validate_option(&rx_csum, &opt, adapter);
357 adapter->rx_csum = rx_csum;
358 } else {
359 adapter->rx_csum = opt.def;
360 }
361 }
362 { /* Flow Control */
363
364 struct e1000_opt_list fc_list[] =
365 {{ e1000_fc_none, "Flow Control Disabled" },
366 { e1000_fc_rx_pause,"Flow Control Receive Only" },
367 { e1000_fc_tx_pause,"Flow Control Transmit Only" },
368 { e1000_fc_full, "Flow Control Enabled" },
369 { e1000_fc_default, "Flow Control Hardware Default" }};
370
371 struct e1000_option opt = {
372 .type = list_option,
373 .name = "Flow Control",
374 .err = "reading default settings from EEPROM",
375 .def = e1000_fc_default,
376 .arg = { .l = { .nr = ARRAY_SIZE(fc_list),
377 .p = fc_list }}
378 };
379
380 if (num_FlowControl > bd) {
381 int fc = FlowControl[bd];
382 e1000_validate_option(&fc, &opt, adapter);
383 adapter->hw.fc = adapter->hw.original_fc = fc;
384 } else {
385 adapter->hw.fc = opt.def;
386 }
387 }
388 { /* Transmit Interrupt Delay */
389 struct e1000_option opt = {
390 .type = range_option,
391 .name = "Transmit Interrupt Delay",
392 .err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
393 .def = DEFAULT_TIDV,
394 .arg = { .r = { .min = MIN_TXDELAY,
395 .max = MAX_TXDELAY }}
396 };
397
398 if (num_TxIntDelay > bd) {
399 adapter->tx_int_delay = TxIntDelay[bd];
400 e1000_validate_option(&adapter->tx_int_delay, &opt,
401 adapter);
402 } else {
403 adapter->tx_int_delay = opt.def;
404 }
405 }
406 { /* Transmit Absolute Interrupt Delay */
407 struct e1000_option opt = {
408 .type = range_option,
409 .name = "Transmit Absolute Interrupt Delay",
410 .err = "using default of " __MODULE_STRING(DEFAULT_TADV),
411 .def = DEFAULT_TADV,
412 .arg = { .r = { .min = MIN_TXABSDELAY,
413 .max = MAX_TXABSDELAY }}
414 };
415
416 if (num_TxAbsIntDelay > bd) {
417 adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
418 e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
419 adapter);
420 } else {
421 adapter->tx_abs_int_delay = opt.def;
422 }
423 }
424 { /* Receive Interrupt Delay */
425 struct e1000_option opt = {
426 .type = range_option,
427 .name = "Receive Interrupt Delay",
428 .err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
429 .def = DEFAULT_RDTR,
430 .arg = { .r = { .min = MIN_RXDELAY,
431 .max = MAX_RXDELAY }}
432 };
433
434 if (num_RxIntDelay > bd) {
435 adapter->rx_int_delay = RxIntDelay[bd];
436 e1000_validate_option(&adapter->rx_int_delay, &opt,
437 adapter);
438 } else {
439 adapter->rx_int_delay = opt.def;
440 }
441 }
442 { /* Receive Absolute Interrupt Delay */
443 struct e1000_option opt = {
444 .type = range_option,
445 .name = "Receive Absolute Interrupt Delay",
446 .err = "using default of " __MODULE_STRING(DEFAULT_RADV),
447 .def = DEFAULT_RADV,
448 .arg = { .r = { .min = MIN_RXABSDELAY,
449 .max = MAX_RXABSDELAY }}
450 };
451
452 if (num_RxAbsIntDelay > bd) {
453 adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
454 e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
455 adapter);
456 } else {
457 adapter->rx_abs_int_delay = opt.def;
458 }
459 }
460 { /* Interrupt Throttling Rate */
461 struct e1000_option opt = {
462 .type = range_option,
463 .name = "Interrupt Throttling Rate (ints/sec)",
464 .err = "using default of " __MODULE_STRING(DEFAULT_ITR),
465 .def = DEFAULT_ITR,
466 .arg = { .r = { .min = MIN_ITR,
467 .max = MAX_ITR }}
468 };
469
470 if (num_InterruptThrottleRate > bd) {
471 adapter->itr = InterruptThrottleRate[bd];
472 switch(adapter->itr) {
473 case 0:
474 DPRINTK(PROBE, INFO, "%s turned off\n",
475 opt.name);
476 break;
477 case 1:
478 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
479 opt.name);
480 break;
481 default:
482 e1000_validate_option(&adapter->itr, &opt,
483 adapter);
484 break;
485 }
486 } else {
487 adapter->itr = opt.def;
488 }
489 }
490
491 switch(adapter->hw.media_type) {
492 case e1000_media_type_fiber:
493 case e1000_media_type_internal_serdes:
494 e1000_check_fiber_options(adapter);
495 break;
496 case e1000_media_type_copper:
497 e1000_check_copper_options(adapter);
498 break;
499 default:
500 BUG();
501 }
502}
503
504/**
505 * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
506 * @adapter: board private structure
507 *
508 * Handles speed and duplex options on fiber adapters
509 **/
510
511static void __devinit
512e1000_check_fiber_options(struct e1000_adapter *adapter)
513{
514 int bd = adapter->bd_number;
515 if(num_Speed > bd) {
516 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
517 "parameter ignored\n");
518 }
519
520 if(num_Duplex > bd) {
521 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
522 "parameter ignored\n");
523 }
524
525 if((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
526 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
527 "not valid for fiber adapters, "
528 "parameter ignored\n");
529 }
530}
531
532/**
533 * e1000_check_copper_options - Range Checking for Link Options, Copper Version
534 * @adapter: board private structure
535 *
536 * Handles speed and duplex options on copper adapters
537 **/
538
539static void __devinit
540e1000_check_copper_options(struct e1000_adapter *adapter)
541{
542 int speed, dplx;
543 int bd = adapter->bd_number;
544
545 { /* Speed */
546 struct e1000_opt_list speed_list[] = {{ 0, "" },
547 { SPEED_10, "" },
548 { SPEED_100, "" },
549 { SPEED_1000, "" }};
550
551 struct e1000_option opt = {
552 .type = list_option,
553 .name = "Speed",
554 .err = "parameter ignored",
555 .def = 0,
556 .arg = { .l = { .nr = ARRAY_SIZE(speed_list),
557 .p = speed_list }}
558 };
559
560 if (num_Speed > bd) {
561 speed = Speed[bd];
562 e1000_validate_option(&speed, &opt, adapter);
563 } else {
564 speed = opt.def;
565 }
566 }
567 { /* Duplex */
568 struct e1000_opt_list dplx_list[] = {{ 0, "" },
569 { HALF_DUPLEX, "" },
570 { FULL_DUPLEX, "" }};
571
572 struct e1000_option opt = {
573 .type = list_option,
574 .name = "Duplex",
575 .err = "parameter ignored",
576 .def = 0,
577 .arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
578 .p = dplx_list }}
579 };
580
581 if (num_Duplex > bd) {
582 dplx = Duplex[bd];
583 e1000_validate_option(&dplx, &opt, adapter);
584 } else {
585 dplx = opt.def;
586 }
587 }
588
589 if((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
590 DPRINTK(PROBE, INFO,
591 "AutoNeg specified along with Speed or Duplex, "
592 "parameter ignored\n");
593 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
594 } else { /* Autoneg */
595 struct e1000_opt_list an_list[] =
596 #define AA "AutoNeg advertising "
597 {{ 0x01, AA "10/HD" },
598 { 0x02, AA "10/FD" },
599 { 0x03, AA "10/FD, 10/HD" },
600 { 0x04, AA "100/HD" },
601 { 0x05, AA "100/HD, 10/HD" },
602 { 0x06, AA "100/HD, 10/FD" },
603 { 0x07, AA "100/HD, 10/FD, 10/HD" },
604 { 0x08, AA "100/FD" },
605 { 0x09, AA "100/FD, 10/HD" },
606 { 0x0a, AA "100/FD, 10/FD" },
607 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
608 { 0x0c, AA "100/FD, 100/HD" },
609 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
610 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
611 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
612 { 0x20, AA "1000/FD" },
613 { 0x21, AA "1000/FD, 10/HD" },
614 { 0x22, AA "1000/FD, 10/FD" },
615 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
616 { 0x24, AA "1000/FD, 100/HD" },
617 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
618 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
619 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
620 { 0x28, AA "1000/FD, 100/FD" },
621 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
622 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
623 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
624 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
625 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
626 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
627 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
628
629 struct e1000_option opt = {
630 .type = list_option,
631 .name = "AutoNeg",
632 .err = "parameter ignored",
633 .def = AUTONEG_ADV_DEFAULT,
634 .arg = { .l = { .nr = ARRAY_SIZE(an_list),
635 .p = an_list }}
636 };
637
638 int an = AutoNeg[bd];
639 e1000_validate_option(&an, &opt, adapter);
640 adapter->hw.autoneg_advertised = an;
641 }
642
643 switch (speed + dplx) {
644 case 0:
645 adapter->hw.autoneg = adapter->fc_autoneg = 1;
646 if((num_Speed > bd) && (speed != 0 || dplx != 0))
647 DPRINTK(PROBE, INFO,
648 "Speed and duplex autonegotiation enabled\n");
649 break;
650 case HALF_DUPLEX:
651 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
652 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
653 "Half Duplex only\n");
654 adapter->hw.autoneg = adapter->fc_autoneg = 1;
655 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
656 ADVERTISE_100_HALF;
657 break;
658 case FULL_DUPLEX:
659 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
660 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
661 "Full Duplex only\n");
662 adapter->hw.autoneg = adapter->fc_autoneg = 1;
663 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
664 ADVERTISE_100_FULL |
665 ADVERTISE_1000_FULL;
666 break;
667 case SPEED_10:
668 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
669 "without Duplex\n");
670 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
671 adapter->hw.autoneg = adapter->fc_autoneg = 1;
672 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
673 ADVERTISE_10_FULL;
674 break;
675 case SPEED_10 + HALF_DUPLEX:
676 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
677 adapter->hw.autoneg = adapter->fc_autoneg = 0;
678 adapter->hw.forced_speed_duplex = e1000_10_half;
679 adapter->hw.autoneg_advertised = 0;
680 break;
681 case SPEED_10 + FULL_DUPLEX:
682 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
683 adapter->hw.autoneg = adapter->fc_autoneg = 0;
684 adapter->hw.forced_speed_duplex = e1000_10_full;
685 adapter->hw.autoneg_advertised = 0;
686 break;
687 case SPEED_100:
688 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
689 "without Duplex\n");
690 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
691 "100 Mbps only\n");
692 adapter->hw.autoneg = adapter->fc_autoneg = 1;
693 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
694 ADVERTISE_100_FULL;
695 break;
696 case SPEED_100 + HALF_DUPLEX:
697 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
698 adapter->hw.autoneg = adapter->fc_autoneg = 0;
699 adapter->hw.forced_speed_duplex = e1000_100_half;
700 adapter->hw.autoneg_advertised = 0;
701 break;
702 case SPEED_100 + FULL_DUPLEX:
703 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
704 adapter->hw.autoneg = adapter->fc_autoneg = 0;
705 adapter->hw.forced_speed_duplex = e1000_100_full;
706 adapter->hw.autoneg_advertised = 0;
707 break;
708 case SPEED_1000:
709 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
710 "Duplex\n");
711 DPRINTK(PROBE, INFO,
712 "Using Autonegotiation at 1000 Mbps "
713 "Full Duplex only\n");
714 adapter->hw.autoneg = adapter->fc_autoneg = 1;
715 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
716 break;
717 case SPEED_1000 + HALF_DUPLEX:
718 DPRINTK(PROBE, INFO,
719 "Half Duplex is not supported at 1000 Mbps\n");
720 DPRINTK(PROBE, INFO,
721 "Using Autonegotiation at 1000 Mbps "
722 "Full Duplex only\n");
723 adapter->hw.autoneg = adapter->fc_autoneg = 1;
724 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
725 break;
726 case SPEED_1000 + FULL_DUPLEX:
727 DPRINTK(PROBE, INFO,
728 "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
729 adapter->hw.autoneg = adapter->fc_autoneg = 1;
730 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
731 break;
732 default:
733 BUG();
734 }
735
736 /* Speed, AutoNeg and MDI/MDI-X must all play nice */
737 if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
738 DPRINTK(PROBE, INFO,
739 "Speed, AutoNeg and MDI-X specifications are "
740 "incompatible. Setting MDI-X to a compatible value.\n");
741 }
742}
743