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[PATCH] sched: reduce task_struct size
[linux-2.6/kmemtrace.git] / drivers / net / e1000 / e1000_param.c
blobf485874a63f56f6d5b0eaee18e3813cf3aa75c7a
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 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 E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
61
62 /* Receive Descriptor Count
63 *
64 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
65 * Valid Range: 80-4096 for 82544 and newer
66 *
67 * Default Value: 256
68 */
69 E1000_PARAM(RxDescriptors, "Number of receive descriptors");
70
71 /* User Specified Speed Override
72 *
73 * Valid Range: 0, 10, 100, 1000
74 * - 0 - auto-negotiate at all supported speeds
75 * - 10 - only link at 10 Mbps
76 * - 100 - only link at 100 Mbps
77 * - 1000 - only link at 1000 Mbps
78 *
79 * Default Value: 0
80 */
81 E1000_PARAM(Speed, "Speed setting");
82
83 /* User Specified Duplex Override
84 *
85 * Valid Range: 0-2
86 * - 0 - auto-negotiate for duplex
87 * - 1 - only link at half duplex
88 * - 2 - only link at full duplex
89 *
90 * Default Value: 0
91 */
92 E1000_PARAM(Duplex, "Duplex setting");
93
94 /* Auto-negotiation Advertisement Override
95 *
96 * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
97 *
98 * The AutoNeg value is a bit mask describing which speed and duplex
99 * combinations should be advertised during auto-negotiation.
100 * The supported speed and duplex modes are listed below
101 *
102 * Bit 7 6 5 4 3 2 1 0
103 * Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
104 * Duplex Full Full Half Full Half
105 *
106 * Default Value: 0x2F (copper); 0x20 (fiber)
107 */
108 E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
109 #define AUTONEG_ADV_DEFAULT 0x2F
110 #define AUTONEG_ADV_MASK 0x2F
111
112 /* User Specified Flow Control Override
113 *
114 * Valid Range: 0-3
115 * - 0 - No Flow Control
116 * - 1 - Rx only, respond to PAUSE frames but do not generate them
117 * - 2 - Tx only, generate PAUSE frames but ignore them on receive
118 * - 3 - Full Flow Control Support
119 *
120 * Default Value: Read flow control settings from the EEPROM
121 */
122 E1000_PARAM(FlowControl, "Flow Control setting");
123 #define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
124
125 /* XsumRX - Receive Checksum Offload Enable/Disable
126 *
127 * Valid Range: 0, 1
128 * - 0 - disables all checksum offload
129 * - 1 - enables receive IP/TCP/UDP checksum offload
130 * on 82543 and newer -based NICs
131 *
132 * Default Value: 1
133 */
134 E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
135
136 /* Transmit Interrupt Delay in units of 1.024 microseconds
137 * Tx interrupt delay needs to typically be set to something non zero
138 *
139 * Valid Range: 0-65535
140 */
141 E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
142 #define DEFAULT_TIDV 8
143 #define MAX_TXDELAY 0xFFFF
144 #define MIN_TXDELAY 0
145
146 /* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
147 *
148 * Valid Range: 0-65535
149 */
150 E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
151 #define DEFAULT_TADV 32
152 #define MAX_TXABSDELAY 0xFFFF
153 #define MIN_TXABSDELAY 0
154
155 /* Receive Interrupt Delay in units of 1.024 microseconds
156 * hardware will likely hang if you set this to anything but zero.
157 *
158 * Valid Range: 0-65535
159 */
160 E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
161 #define DEFAULT_RDTR 0
162 #define MAX_RXDELAY 0xFFFF
163 #define MIN_RXDELAY 0
164
165 /* Receive Absolute Interrupt Delay in units of 1.024 microseconds
166 *
167 * Valid Range: 0-65535
168 */
169 E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
170 #define DEFAULT_RADV 8
171 #define MAX_RXABSDELAY 0xFFFF
172 #define MIN_RXABSDELAY 0
173
174 /* Interrupt Throttle Rate (interrupts/sec)
175 *
176 * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
177 */
178 E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
179 #define DEFAULT_ITR 3
180 #define MAX_ITR 100000
181 #define MIN_ITR 100
182
183 /* Enable Smart Power Down of the PHY
184 *
185 * Valid Range: 0, 1
186 *
187 * Default Value: 0 (disabled)
188 */
189 E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
190
191 /* Enable Kumeran Lock Loss workaround
192 *
193 * Valid Range: 0, 1
194 *
195 * Default Value: 1 (enabled)
196 */
197 E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
198
199 struct e1000_option {
200 enum { enable_option, range_option, list_option } type;
201 char *name;
202 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
216 static int __devinit
217 e1000_validate_option(int *value, 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
267 static void e1000_check_fiber_options(struct e1000_adapter *adapter);
268 static 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
280 void __devinit
281 e1000_check_options(struct e1000_adapter *adapter)
282 {
283 int bd = adapter->bd_number;
284 if (bd >= E1000_MAX_NIC) {
285 DPRINTK(PROBE, NOTICE,
286 "Warning: no configuration for board #%i\n", bd);
287 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
288 }
289
290 { /* Transmit Descriptor Count */
291 struct e1000_option opt = {
292 .type = range_option,
293 .name = "Transmit Descriptors",
294 .err = "using default of "
295 __MODULE_STRING(E1000_DEFAULT_TXD),
296 .def = E1000_DEFAULT_TXD,
297 .arg = { .r = { .min = E1000_MIN_TXD }}
298 };
299 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
300 int i;
301 e1000_mac_type mac_type = adapter->hw.mac_type;
302 opt.arg.r.max = mac_type < e1000_82544 ?
303 E1000_MAX_TXD : E1000_MAX_82544_TXD;
304
305 if (num_TxDescriptors > bd) {
306 tx_ring->count = TxDescriptors[bd];
307 e1000_validate_option(&tx_ring->count, &opt, adapter);
308 tx_ring->count = ALIGN(tx_ring->count,
309 REQ_TX_DESCRIPTOR_MULTIPLE);
310 } else {
311 tx_ring->count = opt.def;
312 }
313 for (i = 0; i < adapter->num_tx_queues; i++)
314 tx_ring[i].count = tx_ring->count;
315 }
316 { /* Receive Descriptor Count */
317 struct e1000_option opt = {
318 .type = range_option,
319 .name = "Receive Descriptors",
320 .err = "using default of "
321 __MODULE_STRING(E1000_DEFAULT_RXD),
322 .def = E1000_DEFAULT_RXD,
323 .arg = { .r = { .min = E1000_MIN_RXD }}
324 };
325 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
326 int i;
327 e1000_mac_type mac_type = adapter->hw.mac_type;
328 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
329 E1000_MAX_82544_RXD;
330
331 if (num_RxDescriptors > bd) {
332 rx_ring->count = RxDescriptors[bd];
333 e1000_validate_option(&rx_ring->count, &opt, adapter);
334 rx_ring->count = ALIGN(rx_ring->count,
335 REQ_RX_DESCRIPTOR_MULTIPLE);
336 } else {
337 rx_ring->count = opt.def;
338 }
339 for (i = 0; i < adapter->num_rx_queues; i++)
340 rx_ring[i].count = rx_ring->count;
341 }
342 { /* Checksum Offload Enable/Disable */
343 struct e1000_option opt = {
344 .type = enable_option,
345 .name = "Checksum Offload",
346 .err = "defaulting to Enabled",
347 .def = OPTION_ENABLED
348 };
349
350 if (num_XsumRX > bd) {
351 int rx_csum = XsumRX[bd];
352 e1000_validate_option(&rx_csum, &opt, adapter);
353 adapter->rx_csum = rx_csum;
354 } else {
355 adapter->rx_csum = opt.def;
356 }
357 }
358 { /* Flow Control */
359
360 struct e1000_opt_list fc_list[] =
361 {{ E1000_FC_NONE, "Flow Control Disabled" },
362 { E1000_FC_RX_PAUSE,"Flow Control Receive Only" },
363 { E1000_FC_TX_PAUSE,"Flow Control Transmit Only" },
364 { E1000_FC_FULL, "Flow Control Enabled" },
365 { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
366
367 struct e1000_option opt = {
368 .type = list_option,
369 .name = "Flow Control",
370 .err = "reading default settings from EEPROM",
371 .def = E1000_FC_DEFAULT,
372 .arg = { .l = { .nr = ARRAY_SIZE(fc_list),
373 .p = fc_list }}
374 };
375
376 if (num_FlowControl > bd) {
377 int fc = FlowControl[bd];
378 e1000_validate_option(&fc, &opt, adapter);
379 adapter->hw.fc = adapter->hw.original_fc = fc;
380 } else {
381 adapter->hw.fc = adapter->hw.original_fc = opt.def;
382 }
383 }
384 { /* Transmit Interrupt Delay */
385 struct e1000_option opt = {
386 .type = range_option,
387 .name = "Transmit Interrupt Delay",
388 .err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
389 .def = DEFAULT_TIDV,
390 .arg = { .r = { .min = MIN_TXDELAY,
391 .max = MAX_TXDELAY }}
392 };
393
394 if (num_TxIntDelay > bd) {
395 adapter->tx_int_delay = TxIntDelay[bd];
396 e1000_validate_option(&adapter->tx_int_delay, &opt,
397 adapter);
398 } else {
399 adapter->tx_int_delay = opt.def;
400 }
401 }
402 { /* Transmit Absolute Interrupt Delay */
403 struct e1000_option opt = {
404 .type = range_option,
405 .name = "Transmit Absolute Interrupt Delay",
406 .err = "using default of " __MODULE_STRING(DEFAULT_TADV),
407 .def = DEFAULT_TADV,
408 .arg = { .r = { .min = MIN_TXABSDELAY,
409 .max = MAX_TXABSDELAY }}
410 };
411
412 if (num_TxAbsIntDelay > bd) {
413 adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
414 e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
415 adapter);
416 } else {
417 adapter->tx_abs_int_delay = opt.def;
418 }
419 }
420 { /* Receive Interrupt Delay */
421 struct e1000_option opt = {
422 .type = range_option,
423 .name = "Receive Interrupt Delay",
424 .err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
425 .def = DEFAULT_RDTR,
426 .arg = { .r = { .min = MIN_RXDELAY,
427 .max = MAX_RXDELAY }}
428 };
429
430 if (num_RxIntDelay > bd) {
431 adapter->rx_int_delay = RxIntDelay[bd];
432 e1000_validate_option(&adapter->rx_int_delay, &opt,
433 adapter);
434 } else {
435 adapter->rx_int_delay = opt.def;
436 }
437 }
438 { /* Receive Absolute Interrupt Delay */
439 struct e1000_option opt = {
440 .type = range_option,
441 .name = "Receive Absolute Interrupt Delay",
442 .err = "using default of " __MODULE_STRING(DEFAULT_RADV),
443 .def = DEFAULT_RADV,
444 .arg = { .r = { .min = MIN_RXABSDELAY,
445 .max = MAX_RXABSDELAY }}
446 };
447
448 if (num_RxAbsIntDelay > bd) {
449 adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
450 e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
451 adapter);
452 } else {
453 adapter->rx_abs_int_delay = opt.def;
454 }
455 }
456 { /* Interrupt Throttling Rate */
457 struct e1000_option opt = {
458 .type = range_option,
459 .name = "Interrupt Throttling Rate (ints/sec)",
460 .err = "using default of " __MODULE_STRING(DEFAULT_ITR),
461 .def = DEFAULT_ITR,
462 .arg = { .r = { .min = MIN_ITR,
463 .max = MAX_ITR }}
464 };
465
466 if (num_InterruptThrottleRate > bd) {
467 adapter->itr = InterruptThrottleRate[bd];
468 switch (adapter->itr) {
469 case 0:
470 DPRINTK(PROBE, INFO, "%s turned off\n",
471 opt.name);
472 break;
473 case 1:
474 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
475 opt.name);
476 adapter->itr_setting = adapter->itr;
477 adapter->itr = 20000;
478 break;
479 case 3:
480 DPRINTK(PROBE, INFO,
481 "%s set to dynamic conservative mode\n",
482 opt.name);
483 adapter->itr_setting = adapter->itr;
484 adapter->itr = 20000;
485 break;
486 default:
487 e1000_validate_option(&adapter->itr, &opt,
488 adapter);
489 /* save the setting, because the dynamic bits change itr */
490 /* clear the lower two bits because they are
491 * used as control */
492 adapter->itr_setting = adapter->itr & ~3;
493 break;
494 }
495 } else {
496 adapter->itr_setting = opt.def;
497 adapter->itr = 20000;
498 }
499 }
500 { /* Smart Power Down */
501 struct e1000_option opt = {
502 .type = enable_option,
503 .name = "PHY Smart Power Down",
504 .err = "defaulting to Disabled",
505 .def = OPTION_DISABLED
506 };
507
508 if (num_SmartPowerDownEnable > bd) {
509 int spd = SmartPowerDownEnable[bd];
510 e1000_validate_option(&spd, &opt, adapter);
511 adapter->smart_power_down = spd;
512 } else {
513 adapter->smart_power_down = opt.def;
514 }
515 }
516 { /* Kumeran Lock Loss Workaround */
517 struct e1000_option opt = {
518 .type = enable_option,
519 .name = "Kumeran Lock Loss Workaround",
520 .err = "defaulting to Enabled",
521 .def = OPTION_ENABLED
522 };
523
524 if (num_KumeranLockLoss > bd) {
525 int kmrn_lock_loss = KumeranLockLoss[bd];
526 e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
527 adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
528 } else {
529 adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def;
530 }
531 }
532
533 switch (adapter->hw.media_type) {
534 case e1000_media_type_fiber:
535 case e1000_media_type_internal_serdes:
536 e1000_check_fiber_options(adapter);
537 break;
538 case e1000_media_type_copper:
539 e1000_check_copper_options(adapter);
540 break;
541 default:
542 BUG();
543 }
544 }
545
546 /**
547 * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
548 * @adapter: board private structure
549 *
550 * Handles speed and duplex options on fiber adapters
551 **/
552
553 static void __devinit
554 e1000_check_fiber_options(struct e1000_adapter *adapter)
555 {
556 int bd = adapter->bd_number;
557 if (num_Speed > bd) {
558 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
559 "parameter ignored\n");
560 }
561
562 if (num_Duplex > bd) {
563 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
564 "parameter ignored\n");
565 }
566
567 if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
568 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
569 "not valid for fiber adapters, "
570 "parameter ignored\n");
571 }
572 }
573
574 /**
575 * e1000_check_copper_options - Range Checking for Link Options, Copper Version
576 * @adapter: board private structure
577 *
578 * Handles speed and duplex options on copper adapters
579 **/
580
581 static void __devinit
582 e1000_check_copper_options(struct e1000_adapter *adapter)
583 {
584 int speed, dplx, an;
585 int bd = adapter->bd_number;
586
587 { /* Speed */
588 struct e1000_opt_list speed_list[] = {{ 0, "" },
589 { SPEED_10, "" },
590 { SPEED_100, "" },
591 { SPEED_1000, "" }};
592
593 struct e1000_option opt = {
594 .type = list_option,
595 .name = "Speed",
596 .err = "parameter ignored",
597 .def = 0,
598 .arg = { .l = { .nr = ARRAY_SIZE(speed_list),
599 .p = speed_list }}
600 };
601
602 if (num_Speed > bd) {
603 speed = Speed[bd];
604 e1000_validate_option(&speed, &opt, adapter);
605 } else {
606 speed = opt.def;
607 }
608 }
609 { /* Duplex */
610 struct e1000_opt_list dplx_list[] = {{ 0, "" },
611 { HALF_DUPLEX, "" },
612 { FULL_DUPLEX, "" }};
613
614 struct e1000_option opt = {
615 .type = list_option,
616 .name = "Duplex",
617 .err = "parameter ignored",
618 .def = 0,
619 .arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
620 .p = dplx_list }}
621 };
622
623 if (e1000_check_phy_reset_block(&adapter->hw)) {
624 DPRINTK(PROBE, INFO,
625 "Link active due to SoL/IDER Session. "
626 "Speed/Duplex/AutoNeg parameter ignored.\n");
627 return;
628 }
629 if (num_Duplex > bd) {
630 dplx = Duplex[bd];
631 e1000_validate_option(&dplx, &opt, adapter);
632 } else {
633 dplx = opt.def;
634 }
635 }
636
637 if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
638 DPRINTK(PROBE, INFO,
639 "AutoNeg specified along with Speed or Duplex, "
640 "parameter ignored\n");
641 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
642 } else { /* Autoneg */
643 struct e1000_opt_list an_list[] =
644 #define AA "AutoNeg advertising "
645 {{ 0x01, AA "10/HD" },
646 { 0x02, AA "10/FD" },
647 { 0x03, AA "10/FD, 10/HD" },
648 { 0x04, AA "100/HD" },
649 { 0x05, AA "100/HD, 10/HD" },
650 { 0x06, AA "100/HD, 10/FD" },
651 { 0x07, AA "100/HD, 10/FD, 10/HD" },
652 { 0x08, AA "100/FD" },
653 { 0x09, AA "100/FD, 10/HD" },
654 { 0x0a, AA "100/FD, 10/FD" },
655 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
656 { 0x0c, AA "100/FD, 100/HD" },
657 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
658 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
659 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
660 { 0x20, AA "1000/FD" },
661 { 0x21, AA "1000/FD, 10/HD" },
662 { 0x22, AA "1000/FD, 10/FD" },
663 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
664 { 0x24, AA "1000/FD, 100/HD" },
665 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
666 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
667 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
668 { 0x28, AA "1000/FD, 100/FD" },
669 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
670 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
671 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
672 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
673 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
674 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
675 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
676
677 struct e1000_option opt = {
678 .type = list_option,
679 .name = "AutoNeg",
680 .err = "parameter ignored",
681 .def = AUTONEG_ADV_DEFAULT,
682 .arg = { .l = { .nr = ARRAY_SIZE(an_list),
683 .p = an_list }}
684 };
685
686 if (num_AutoNeg > bd) {
687 an = AutoNeg[bd];
688 e1000_validate_option(&an, &opt, adapter);
689 } else {
690 an = opt.def;
691 }
692 adapter->hw.autoneg_advertised = an;
693 }
694
695 switch (speed + dplx) {
696 case 0:
697 adapter->hw.autoneg = adapter->fc_autoneg = 1;
698 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
699 DPRINTK(PROBE, INFO,
700 "Speed and duplex autonegotiation enabled\n");
701 break;
702 case HALF_DUPLEX:
703 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
704 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
705 "Half Duplex only\n");
706 adapter->hw.autoneg = adapter->fc_autoneg = 1;
707 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
708 ADVERTISE_100_HALF;
709 break;
710 case FULL_DUPLEX:
711 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
712 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
713 "Full Duplex only\n");
714 adapter->hw.autoneg = adapter->fc_autoneg = 1;
715 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
716 ADVERTISE_100_FULL |
717 ADVERTISE_1000_FULL;
718 break;
719 case SPEED_10:
720 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
721 "without Duplex\n");
722 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
723 adapter->hw.autoneg = adapter->fc_autoneg = 1;
724 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
725 ADVERTISE_10_FULL;
726 break;
727 case SPEED_10 + HALF_DUPLEX:
728 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
729 adapter->hw.autoneg = adapter->fc_autoneg = 0;
730 adapter->hw.forced_speed_duplex = e1000_10_half;
731 adapter->hw.autoneg_advertised = 0;
732 break;
733 case SPEED_10 + FULL_DUPLEX:
734 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
735 adapter->hw.autoneg = adapter->fc_autoneg = 0;
736 adapter->hw.forced_speed_duplex = e1000_10_full;
737 adapter->hw.autoneg_advertised = 0;
738 break;
739 case SPEED_100:
740 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
741 "without Duplex\n");
742 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
743 "100 Mbps only\n");
744 adapter->hw.autoneg = adapter->fc_autoneg = 1;
745 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
746 ADVERTISE_100_FULL;
747 break;
748 case SPEED_100 + HALF_DUPLEX:
749 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
750 adapter->hw.autoneg = adapter->fc_autoneg = 0;
751 adapter->hw.forced_speed_duplex = e1000_100_half;
752 adapter->hw.autoneg_advertised = 0;
753 break;
754 case SPEED_100 + FULL_DUPLEX:
755 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
756 adapter->hw.autoneg = adapter->fc_autoneg = 0;
757 adapter->hw.forced_speed_duplex = e1000_100_full;
758 adapter->hw.autoneg_advertised = 0;
759 break;
760 case SPEED_1000:
761 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
762 "Duplex\n");
763 goto full_duplex_only;
764 case SPEED_1000 + HALF_DUPLEX:
765 DPRINTK(PROBE, INFO,
766 "Half Duplex is not supported at 1000 Mbps\n");
767 /* fall through */
768 case SPEED_1000 + FULL_DUPLEX:
769 full_duplex_only:
770 DPRINTK(PROBE, INFO,
771 "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
772 adapter->hw.autoneg = adapter->fc_autoneg = 1;
773 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
774 break;
775 default:
776 BUG();
777 }
778
779 /* Speed, AutoNeg and MDI/MDI-X must all play nice */
780 if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
781 DPRINTK(PROBE, INFO,
782 "Speed, AutoNeg and MDI-X specifications are "
783 "incompatible. Setting MDI-X to a compatible value.\n");
784 }
785 }
786
kmemtrace - Kernel memory tracer