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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
[linux-block.git] / drivers / net / e1000 / e1000_param.c
CommitLineData
1da177e4
LT		 1/*******************************************************************************
2
3
3d41e30a 4 Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
1da177e4
LT		 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>
3d41e30a 25 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
1da177e4
LT		 26 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27
28*******************************************************************************/
29
30#include "e1000.h"
31
32/* This is the only thing that needs to be changed to adjust the
33 * maximum number of ports that the driver can manage.
34 */
35
36#define E1000_MAX_NIC 32
37
38#define OPTION_UNSET -1
39#define OPTION_DISABLED 0
40#define OPTION_ENABLED 1
41
42/* All parameters are treated the same, as an integer array of values.
43 * This macro just reduces the need to repeat the same declaration code
44 * over and over (plus this helps to avoid typo bugs).
45 */
46
47#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
17231712
AK		 48/* Module Parameters are always initialized to -1, so that the driver
49 * can tell the difference between no user specified value or the
50 * user asking for the default value.
51 * The true default values are loaded in when e1000_check_options is called.
52 *
53 * This is a GCC extension to ANSI C.
54 * See the item "Labeled Elements in Initializers" in the section
55 * "Extensions to the C Language Family" of the GCC documentation.
56 */
57
1da177e4
LT		 58#define E1000_PARAM(X, desc) \
59 static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
60 static int num_##X = 0; \
61 module_param_array_named(X, X, int, &num_##X, 0); \
62 MODULE_PARM_DESC(X, desc);
63
64/* Transmit Descriptor Count
65 *
66 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
67 * Valid Range: 80-4096 for 82544 and newer
68 *
69 * Default Value: 256
70 */
71
72E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
73
74/* Receive Descriptor Count
75 *
76 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
77 * Valid Range: 80-4096 for 82544 and newer
78 *
79 * Default Value: 256
80 */
81
82E1000_PARAM(RxDescriptors, "Number of receive descriptors");
83
84/* User Specified Speed Override
85 *
86 * Valid Range: 0, 10, 100, 1000
87 * - 0 - auto-negotiate at all supported speeds
88 * - 10 - only link at 10 Mbps
89 * - 100 - only link at 100 Mbps
90 * - 1000 - only link at 1000 Mbps
91 *
92 * Default Value: 0
93 */
94
95E1000_PARAM(Speed, "Speed setting");
96
97/* User Specified Duplex Override
98 *
99 * Valid Range: 0-2
100 * - 0 - auto-negotiate for duplex
101 * - 1 - only link at half duplex
102 * - 2 - only link at full duplex
103 *
104 * Default Value: 0
105 */
106
107E1000_PARAM(Duplex, "Duplex setting");
108
109/* Auto-negotiation Advertisement Override
110 *
111 * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
112 *
113 * The AutoNeg value is a bit mask describing which speed and duplex
114 * combinations should be advertised during auto-negotiation.
115 * The supported speed and duplex modes are listed below
116 *
117 * Bit 7 6 5 4 3 2 1 0
118 * Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
119 * Duplex Full Full Half Full Half
120 *
121 * Default Value: 0x2F (copper); 0x20 (fiber)
122 */
123
124E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
125
126/* User Specified Flow Control Override
127 *
128 * Valid Range: 0-3
129 * - 0 - No Flow Control
130 * - 1 - Rx only, respond to PAUSE frames but do not generate them
131 * - 2 - Tx only, generate PAUSE frames but ignore them on receive
132 * - 3 - Full Flow Control Support
133 *
134 * Default Value: Read flow control settings from the EEPROM
135 */
136
137E1000_PARAM(FlowControl, "Flow Control setting");
138
139/* XsumRX - Receive Checksum Offload Enable/Disable
140 *
141 * Valid Range: 0, 1
142 * - 0 - disables all checksum offload
143 * - 1 - enables receive IP/TCP/UDP checksum offload
144 * on 82543 and newer -based NICs
145 *
146 * Default Value: 1
147 */
148
149E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
150
151/* Transmit Interrupt Delay in units of 1.024 microseconds
152 *
153 * Valid Range: 0-65535
154 *
155 * Default Value: 64
156 */
157
158E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
159
160/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
161 *
162 * Valid Range: 0-65535
163 *
164 * Default Value: 0
165 */
166
167E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
168
169/* Receive Interrupt Delay in units of 1.024 microseconds
170 *
171 * Valid Range: 0-65535
172 *
173 * Default Value: 0
174 */
175
176E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
177
178/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
179 *
180 * Valid Range: 0-65535
181 *
182 * Default Value: 128
183 */
184
185E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
186
187/* Interrupt Throttle Rate (interrupts/sec)
188 *
189 * Valid Range: 100-100000 (0=off, 1=dynamic)
190 *
38bd3b26 191 * Default Value: 8000
1da177e4
LT		 192 */
193
194E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
195
9a53a202
AK		 196/* Enable Smart Power Down of the PHY
197 *
198 * Valid Range: 0, 1
199 *
200 * Default Value: 0 (disabled)
201 */
202
203E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
204
1f9e7e3d
AK		 205/* Enable Kumeran Lock Loss workaround
206 *
207 * Valid Range: 0, 1
208 *
209 * Default Value: 1 (enabled)
210 */
211
212E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
213
1da177e4
LT		 214#define AUTONEG_ADV_DEFAULT 0x2F
215#define AUTONEG_ADV_MASK 0x2F
216#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
217
218#define DEFAULT_RDTR 0
219#define MAX_RXDELAY 0xFFFF
220#define MIN_RXDELAY 0
221
222#define DEFAULT_RADV 128
223#define MAX_RXABSDELAY 0xFFFF
224#define MIN_RXABSDELAY 0
225
226#define DEFAULT_TIDV 64
227#define MAX_TXDELAY 0xFFFF
228#define MIN_TXDELAY 0
229
230#define DEFAULT_TADV 64
231#define MAX_TXABSDELAY 0xFFFF
232#define MIN_TXABSDELAY 0
233
234#define DEFAULT_ITR 8000
235#define MAX_ITR 100000
236#define MIN_ITR 100
237
238struct e1000_option {
239 enum { enable_option, range_option, list_option } type;
240 char *name;
241 char *err;
242 int def;
243 union {
244 struct { /* range_option info */
245 int min;
246 int max;
247 } r;
248 struct { /* list_option info */
249 int nr;
250 struct e1000_opt_list { int i; char *str; } *p;
251 } l;
252 } arg;
253};
254
255static int __devinit
256e1000_validate_option(int *value, struct e1000_option *opt,
257 struct e1000_adapter *adapter)
258{
96838a40 259 if (*value == OPTION_UNSET) {
1da177e4
LT		 260 *value = opt->def;
261 return 0;
262 }
263
264 switch (opt->type) {
265 case enable_option:
266 switch (*value) {
267 case OPTION_ENABLED:
268 DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
269 return 0;
270 case OPTION_DISABLED:
271 DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
272 return 0;
273 }
274 break;
275 case range_option:
96838a40 276 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
1da177e4
LT		 277 DPRINTK(PROBE, INFO,
278 "%s set to %i\n", opt->name, *value);
279 return 0;
280 }
281 break;
282 case list_option: {
283 int i;
284 struct e1000_opt_list *ent;
285
96838a40 286 for (i = 0; i < opt->arg.l.nr; i++) {
1da177e4 287 ent = &opt->arg.l.p[i];
96838a40
JB		 288 if (*value == ent->i) {
289 if (ent->str[0] != '\0')
1da177e4
LT		 290 DPRINTK(PROBE, INFO, "%s\n", ent->str);
291 return 0;
292 }
293 }
294 }
295 break;
296 default:
297 BUG();
298 }
299
7e6c9861 300 DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
1da177e4
LT		 301 opt->name, *value, opt->err);
302 *value = opt->def;
303 return -1;
304}
305
306static void e1000_check_fiber_options(struct e1000_adapter *adapter);
307static void e1000_check_copper_options(struct e1000_adapter *adapter);
308
309/**
310 * e1000_check_options - Range Checking for Command Line Parameters
311 * @adapter: board private structure
312 *
313 * This routine checks all command line parameters for valid user
314 * input. If an invalid value is given, or if no user specified
315 * value exists, a default value is used. The final value is stored
316 * in a variable in the adapter structure.
317 **/
318
319void __devinit
320e1000_check_options(struct e1000_adapter *adapter)
321{
322 int bd = adapter->bd_number;
96838a40 323 if (bd >= E1000_MAX_NIC) {
1da177e4
LT		 324 DPRINTK(PROBE, NOTICE,
325 "Warning: no configuration for board #%i\n", bd);
326 DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
17231712 327 bd = E1000_MAX_NIC;
1da177e4
LT		 328 }
329
330 { /* Transmit Descriptor Count */
331 struct e1000_option opt = {
332 .type = range_option,
333 .name = "Transmit Descriptors",
334 .err = "using default of "
335 __MODULE_STRING(E1000_DEFAULT_TXD),
336 .def = E1000_DEFAULT_TXD,
337 .arg = { .r = { .min = E1000_MIN_TXD }}
338 };
581d708e
MC		 339 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
340 int i;
1da177e4
LT		 341 e1000_mac_type mac_type = adapter->hw.mac_type;
342 opt.arg.r.max = mac_type < e1000_82544 ?
343 E1000_MAX_TXD : E1000_MAX_82544_TXD;
344
17231712
AK		 345 tx_ring->count = TxDescriptors[bd];
346 e1000_validate_option(&tx_ring->count, &opt, adapter);
347 E1000_ROUNDUP(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
f56799ea 348 for (i = 0; i < adapter->num_tx_queues; i++)
581d708e 349 tx_ring[i].count = tx_ring->count;
1da177e4
LT		 350 }
351 { /* Receive Descriptor Count */
352 struct e1000_option opt = {
353 .type = range_option,
354 .name = "Receive Descriptors",
355 .err = "using default of "
356 __MODULE_STRING(E1000_DEFAULT_RXD),
357 .def = E1000_DEFAULT_RXD,
358 .arg = { .r = { .min = E1000_MIN_RXD }}
359 };
581d708e
MC		 360 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
361 int i;
1da177e4
LT		 362 e1000_mac_type mac_type = adapter->hw.mac_type;
363 opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
364 E1000_MAX_82544_RXD;
365
17231712
AK		 366 rx_ring->count = RxDescriptors[bd];
367 e1000_validate_option(&rx_ring->count, &opt, adapter);
368 E1000_ROUNDUP(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
f56799ea 369 for (i = 0; i < adapter->num_rx_queues; i++)
581d708e 370 rx_ring[i].count = rx_ring->count;
1da177e4
LT		 371 }
372 { /* Checksum Offload Enable/Disable */
373 struct e1000_option opt = {
374 .type = enable_option,
375 .name = "Checksum Offload",
376 .err = "defaulting to Enabled",
377 .def = OPTION_ENABLED
378 };
379
17231712
AK		 380 int rx_csum = XsumRX[bd];
381 e1000_validate_option(&rx_csum, &opt, adapter);
382 adapter->rx_csum = rx_csum;
1da177e4
LT		 383 }
384 { /* Flow Control */
385
386 struct e1000_opt_list fc_list[] =
387 {{ e1000_fc_none, "Flow Control Disabled" },
388 { e1000_fc_rx_pause,"Flow Control Receive Only" },
389 { e1000_fc_tx_pause,"Flow Control Transmit Only" },
390 { e1000_fc_full, "Flow Control Enabled" },
391 { e1000_fc_default, "Flow Control Hardware Default" }};
392
393 struct e1000_option opt = {
394 .type = list_option,
395 .name = "Flow Control",
396 .err = "reading default settings from EEPROM",
397 .def = e1000_fc_default,
398 .arg = { .l = { .nr = ARRAY_SIZE(fc_list),
399 .p = fc_list }}
400 };
401
17231712
AK		 402 int fc = FlowControl[bd];
403 e1000_validate_option(&fc, &opt, adapter);
404 adapter->hw.fc = adapter->hw.original_fc = fc;
1da177e4
LT		 405 }
406 { /* Transmit Interrupt Delay */
407 struct e1000_option opt = {
408 .type = range_option,
409 .name = "Transmit Interrupt Delay",
410 .err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
411 .def = DEFAULT_TIDV,
412 .arg = { .r = { .min = MIN_TXDELAY,
413 .max = MAX_TXDELAY }}
414 };
415
17231712
AK		 416 adapter->tx_int_delay = TxIntDelay[bd];
417 e1000_validate_option(&adapter->tx_int_delay, &opt, adapter);
1da177e4
LT		 418 }
419 { /* Transmit Absolute Interrupt Delay */
420 struct e1000_option opt = {
421 .type = range_option,
422 .name = "Transmit Absolute Interrupt Delay",
423 .err = "using default of " __MODULE_STRING(DEFAULT_TADV),
424 .def = DEFAULT_TADV,
425 .arg = { .r = { .min = MIN_TXABSDELAY,
426 .max = MAX_TXABSDELAY }}
427 };
428
17231712
AK		 429 adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
430 e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
431 adapter);
1da177e4
LT		 432 }
433 { /* Receive Interrupt Delay */
434 struct e1000_option opt = {
435 .type = range_option,
436 .name = "Receive Interrupt Delay",
437 .err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
438 .def = DEFAULT_RDTR,
439 .arg = { .r = { .min = MIN_RXDELAY,
440 .max = MAX_RXDELAY }}
441 };
442
17231712
AK		 443 adapter->rx_int_delay = RxIntDelay[bd];
444 e1000_validate_option(&adapter->rx_int_delay, &opt, adapter);
1da177e4
LT		 445 }
446 { /* Receive Absolute Interrupt Delay */
447 struct e1000_option opt = {
448 .type = range_option,
449 .name = "Receive Absolute Interrupt Delay",
450 .err = "using default of " __MODULE_STRING(DEFAULT_RADV),
451 .def = DEFAULT_RADV,
452 .arg = { .r = { .min = MIN_RXABSDELAY,
453 .max = MAX_RXABSDELAY }}
454 };
455
17231712
AK		 456 adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
457 e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
458 adapter);
1da177e4
LT		 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
17231712
AK		 470 adapter->itr = InterruptThrottleRate[bd];
471 switch (adapter->itr) {
472 case 0:
473 DPRINTK(PROBE, INFO, "%s turned off\n", opt.name);
474 break;
475 case 1:
476 DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
477 opt.name);
478 break;
479 default:
480 e1000_validate_option(&adapter->itr, &opt, adapter);
481 break;
1da177e4
LT		 482 }
483 }
9a53a202
AK		 484 { /* Smart Power Down */
485 struct e1000_option opt = {
486 .type = enable_option,
487 .name = "PHY Smart Power Down",
488 .err = "defaulting to Disabled",
489 .def = OPTION_DISABLED
490 };
491
17231712
AK		 492 int spd = SmartPowerDownEnable[bd];
493 e1000_validate_option(&spd, &opt, adapter);
494 adapter->smart_power_down = spd;
9a53a202 495 }
1f9e7e3d
AK		 496 { /* Kumeran Lock Loss Workaround */
497 struct e1000_option opt = {
498 .type = enable_option,
499 .name = "Kumeran Lock Loss Workaround",
500 .err = "defaulting to Enabled",
501 .def = OPTION_ENABLED
502 };
503
504 int kmrn_lock_loss = KumeranLockLoss[bd];
505 e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
506 adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
507 }
1da177e4 508
96838a40 509 switch (adapter->hw.media_type) {
1da177e4
LT		 510 case e1000_media_type_fiber:
511 case e1000_media_type_internal_serdes:
512 e1000_check_fiber_options(adapter);
513 break;
514 case e1000_media_type_copper:
515 e1000_check_copper_options(adapter);
516 break;
517 default:
518 BUG();
519 }
520}
521
522/**
523 * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
524 * @adapter: board private structure
525 *
526 * Handles speed and duplex options on fiber adapters
527 **/
528
529static void __devinit
530e1000_check_fiber_options(struct e1000_adapter *adapter)
531{
532 int bd = adapter->bd_number;
17231712
AK		 533 bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
534 if ((Speed[bd] != OPTION_UNSET)) {
1da177e4
LT		 535 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
536 "parameter ignored\n");
537 }
538
17231712 539 if ((Duplex[bd] != OPTION_UNSET)) {
1da177e4
LT		 540 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
541 "parameter ignored\n");
542 }
543
17231712 544 if ((AutoNeg[bd] != OPTION_UNSET) && (AutoNeg[bd] != 0x20)) {
1da177e4
LT		 545 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
546 "not valid for fiber adapters, "
547 "parameter ignored\n");
548 }
549}
550
551/**
552 * e1000_check_copper_options - Range Checking for Link Options, Copper Version
553 * @adapter: board private structure
554 *
555 * Handles speed and duplex options on copper adapters
556 **/
557
558static void __devinit
559e1000_check_copper_options(struct e1000_adapter *adapter)
560{
32a4ec97 561 int speed, dplx, an;
1da177e4 562 int bd = adapter->bd_number;
17231712 563 bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
1da177e4
LT		 564
565 { /* Speed */
566 struct e1000_opt_list speed_list[] = {{ 0, "" },
567 { SPEED_10, "" },
568 { SPEED_100, "" },
569 { SPEED_1000, "" }};
570
571 struct e1000_option opt = {
572 .type = list_option,
573 .name = "Speed",
574 .err = "parameter ignored",
575 .def = 0,
576 .arg = { .l = { .nr = ARRAY_SIZE(speed_list),
577 .p = speed_list }}
578 };
579
17231712
AK		 580 speed = Speed[bd];
581 e1000_validate_option(&speed, &opt, adapter);
1da177e4
LT		 582 }
583 { /* Duplex */
584 struct e1000_opt_list dplx_list[] = {{ 0, "" },
585 { HALF_DUPLEX, "" },
586 { FULL_DUPLEX, "" }};
587
588 struct e1000_option opt = {
589 .type = list_option,
590 .name = "Duplex",
591 .err = "parameter ignored",
592 .def = 0,
593 .arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
594 .p = dplx_list }}
595 };
596
57128197
JK		 597 if (e1000_check_phy_reset_block(&adapter->hw)) {
598 DPRINTK(PROBE, INFO,
599 "Link active due to SoL/IDER Session. "
600 "Speed/Duplex/AutoNeg parameter ignored.\n");
601 return;
602 }
17231712
AK		 603 dplx = Duplex[bd];
604 e1000_validate_option(&dplx, &opt, adapter);
1da177e4
LT		 605 }
606
17231712 607 if (AutoNeg[bd] != OPTION_UNSET && (speed != 0 || dplx != 0)) {
1da177e4
LT		 608 DPRINTK(PROBE, INFO,
609 "AutoNeg specified along with Speed or Duplex, "
610 "parameter ignored\n");
611 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
612 } else { /* Autoneg */
613 struct e1000_opt_list an_list[] =
614 #define AA "AutoNeg advertising "
615 {{ 0x01, AA "10/HD" },
616 { 0x02, AA "10/FD" },
617 { 0x03, AA "10/FD, 10/HD" },
618 { 0x04, AA "100/HD" },
619 { 0x05, AA "100/HD, 10/HD" },
620 { 0x06, AA "100/HD, 10/FD" },
621 { 0x07, AA "100/HD, 10/FD, 10/HD" },
622 { 0x08, AA "100/FD" },
623 { 0x09, AA "100/FD, 10/HD" },
624 { 0x0a, AA "100/FD, 10/FD" },
625 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
626 { 0x0c, AA "100/FD, 100/HD" },
627 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
628 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
629 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
630 { 0x20, AA "1000/FD" },
631 { 0x21, AA "1000/FD, 10/HD" },
632 { 0x22, AA "1000/FD, 10/FD" },
633 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
634 { 0x24, AA "1000/FD, 100/HD" },
635 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
636 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
637 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
638 { 0x28, AA "1000/FD, 100/FD" },
639 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
640 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
641 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
642 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
643 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
644 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
645 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
646
647 struct e1000_option opt = {
648 .type = list_option,
649 .name = "AutoNeg",
650 .err = "parameter ignored",
651 .def = AUTONEG_ADV_DEFAULT,
652 .arg = { .l = { .nr = ARRAY_SIZE(an_list),
653 .p = an_list }}
654 };
655
17231712
AK		 656 an = AutoNeg[bd];
657 e1000_validate_option(&an, &opt, adapter);
1da177e4
LT		 658 adapter->hw.autoneg_advertised = an;
659 }
660
661 switch (speed + dplx) {
662 case 0:
663 adapter->hw.autoneg = adapter->fc_autoneg = 1;
17231712 664 if (Speed[bd] != OPTION_UNSET || Duplex[bd] != OPTION_UNSET)
1da177e4
LT		 665 DPRINTK(PROBE, INFO,
666 "Speed and duplex autonegotiation enabled\n");
667 break;
668 case HALF_DUPLEX:
669 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
670 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
671 "Half Duplex only\n");
672 adapter->hw.autoneg = adapter->fc_autoneg = 1;
673 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
674 ADVERTISE_100_HALF;
675 break;
676 case FULL_DUPLEX:
677 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
678 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
679 "Full Duplex only\n");
680 adapter->hw.autoneg = adapter->fc_autoneg = 1;
681 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
682 ADVERTISE_100_FULL |
683 ADVERTISE_1000_FULL;
684 break;
685 case SPEED_10:
686 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
687 "without Duplex\n");
688 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
689 adapter->hw.autoneg = adapter->fc_autoneg = 1;
690 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
691 ADVERTISE_10_FULL;
692 break;
693 case SPEED_10 + HALF_DUPLEX:
694 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
695 adapter->hw.autoneg = adapter->fc_autoneg = 0;
696 adapter->hw.forced_speed_duplex = e1000_10_half;
697 adapter->hw.autoneg_advertised = 0;
698 break;
699 case SPEED_10 + FULL_DUPLEX:
700 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
701 adapter->hw.autoneg = adapter->fc_autoneg = 0;
702 adapter->hw.forced_speed_duplex = e1000_10_full;
703 adapter->hw.autoneg_advertised = 0;
704 break;
705 case SPEED_100:
706 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
707 "without Duplex\n");
708 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
709 "100 Mbps only\n");
710 adapter->hw.autoneg = adapter->fc_autoneg = 1;
711 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
712 ADVERTISE_100_FULL;
713 break;
714 case SPEED_100 + HALF_DUPLEX:
715 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
716 adapter->hw.autoneg = adapter->fc_autoneg = 0;
717 adapter->hw.forced_speed_duplex = e1000_100_half;
718 adapter->hw.autoneg_advertised = 0;
719 break;
720 case SPEED_100 + FULL_DUPLEX:
721 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
722 adapter->hw.autoneg = adapter->fc_autoneg = 0;
723 adapter->hw.forced_speed_duplex = e1000_100_full;
724 adapter->hw.autoneg_advertised = 0;
725 break;
726 case SPEED_1000:
727 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
728 "Duplex\n");
729 DPRINTK(PROBE, INFO,
730 "Using Autonegotiation at 1000 Mbps "
731 "Full Duplex only\n");
732 adapter->hw.autoneg = adapter->fc_autoneg = 1;
733 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
734 break;
735 case SPEED_1000 + HALF_DUPLEX:
736 DPRINTK(PROBE, INFO,
737 "Half Duplex is not supported at 1000 Mbps\n");
738 DPRINTK(PROBE, INFO,
739 "Using Autonegotiation at 1000 Mbps "
740 "Full Duplex only\n");
741 adapter->hw.autoneg = adapter->fc_autoneg = 1;
742 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
743 break;
744 case SPEED_1000 + FULL_DUPLEX:
745 DPRINTK(PROBE, INFO,
746 "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
747 adapter->hw.autoneg = adapter->fc_autoneg = 1;
748 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
749 break;
750 default:
751 BUG();
752 }
753
754 /* Speed, AutoNeg and MDI/MDI-X must all play nice */
755 if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
756 DPRINTK(PROBE, INFO,
757 "Speed, AutoNeg and MDI-X specifications are "
758 "incompatible. Setting MDI-X to a compatible value.\n");
759 }
760}
761
Linux 6.x block layer and io_uring tree(s)