1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 1999 - 2006 Intel Corporation. */
3
4#include "e1000.h"
5
6/* This is the only thing that needs to be changed to adjust the
7 * maximum number of ports that the driver can manage.
8 */
9
10#define E1000_MAX_NIC 32
11
12#define OPTION_UNSET -1
13#define OPTION_DISABLED 0
14#define OPTION_ENABLED 1
15
16/* All parameters are treated the same, as an integer array of values.
17 * This macro just reduces the need to repeat the same declaration code
18 * over and over (plus this helps to avoid typo bugs).
19 */
20
21#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
22#define E1000_PARAM(X, desc) \
23 static int X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
24 static unsigned int num_##X; \
25 module_param_array_named(X, X, int, &num_##X, 0); \
26 MODULE_PARM_DESC(X, desc);
27
28/* Transmit Descriptor Count
29 *
30 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
31 * Valid Range: 80-4096 for 82544 and newer
32 *
33 * Default Value: 256
34 */
35E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
36
37/* Receive Descriptor Count
38 *
39 * Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
40 * Valid Range: 80-4096 for 82544 and newer
41 *
42 * Default Value: 256
43 */
44E1000_PARAM(RxDescriptors, "Number of receive descriptors");
45
46/* User Specified Speed Override
47 *
48 * Valid Range: 0, 10, 100, 1000
49 * - 0 - auto-negotiate at all supported speeds
50 * - 10 - only link at 10 Mbps
51 * - 100 - only link at 100 Mbps
52 * - 1000 - only link at 1000 Mbps
53 *
54 * Default Value: 0
55 */
56E1000_PARAM(Speed, "Speed setting");
57
58/* User Specified Duplex Override
59 *
60 * Valid Range: 0-2
61 * - 0 - auto-negotiate for duplex
62 * - 1 - only link at half duplex
63 * - 2 - only link at full duplex
64 *
65 * Default Value: 0
66 */
67E1000_PARAM(Duplex, "Duplex setting");
68
69/* Auto-negotiation Advertisement Override
70 *
71 * Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
72 *
73 * The AutoNeg value is a bit mask describing which speed and duplex
74 * combinations should be advertised during auto-negotiation.
75 * The supported speed and duplex modes are listed below
76 *
77 * Bit 7 6 5 4 3 2 1 0
78 * Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
79 * Duplex Full Full Half Full Half
80 *
81 * Default Value: 0x2F (copper); 0x20 (fiber)
82 */
83E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
84#define AUTONEG_ADV_DEFAULT 0x2F
85
86/* User Specified Flow Control Override
87 *
88 * Valid Range: 0-3
89 * - 0 - No Flow Control
90 * - 1 - Rx only, respond to PAUSE frames but do not generate them
91 * - 2 - Tx only, generate PAUSE frames but ignore them on receive
92 * - 3 - Full Flow Control Support
93 *
94 * Default Value: Read flow control settings from the EEPROM
95 */
96E1000_PARAM(FlowControl, "Flow Control setting");
97
98/* XsumRX - Receive Checksum Offload Enable/Disable
99 *
100 * Valid Range: 0, 1
101 * - 0 - disables all checksum offload
102 * - 1 - enables receive IP/TCP/UDP checksum offload
103 * on 82543 and newer -based NICs
104 *
105 * Default Value: 1
106 */
107E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
108
109/* Transmit Interrupt Delay in units of 1.024 microseconds
110 * Tx interrupt delay needs to typically be set to something non zero
111 *
112 * Valid Range: 0-65535
113 */
114E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
115#define DEFAULT_TIDV 8
116#define MAX_TXDELAY 0xFFFF
117#define MIN_TXDELAY 0
118
119/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
120 *
121 * Valid Range: 0-65535
122 */
123E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
124#define DEFAULT_TADV 32
125#define MAX_TXABSDELAY 0xFFFF
126#define MIN_TXABSDELAY 0
127
128/* Receive Interrupt Delay in units of 1.024 microseconds
129 * hardware will likely hang if you set this to anything but zero.
130 *
131 * Valid Range: 0-65535
132 */
133E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
134#define DEFAULT_RDTR 0
135#define MAX_RXDELAY 0xFFFF
136#define MIN_RXDELAY 0
137
138/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
139 *
140 * Valid Range: 0-65535
141 */
142E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
143#define DEFAULT_RADV 8
144#define MAX_RXABSDELAY 0xFFFF
145#define MIN_RXABSDELAY 0
146
147/* Interrupt Throttle Rate (interrupts/sec)
148 *
149 * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
150 */
151E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
152#define DEFAULT_ITR 3
153#define MAX_ITR 100000
154#define MIN_ITR 100
155
156/* Enable Smart Power Down of the PHY
157 *
158 * Valid Range: 0, 1
159 *
160 * Default Value: 0 (disabled)
161 */
162E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
163
164struct e1000_option {
165 enum { enable_option, range_option, list_option } type;
166 const char *name;
167 const char *err;
168 int def;
169 union {
170 struct { /* range_option info */
171 int min;
172 int max;
173 } r;
174 struct { /* list_option info */
175 int nr;
176 const struct e1000_opt_list { int i; char *str; } *p;
177 } l;
178 } arg;
179};
180
181static int e1000_validate_option(unsigned int *value,
182 const struct e1000_option *opt,
183 struct e1000_adapter *adapter)
184{
185 if (*value == OPTION_UNSET) {
186 *value = opt->def;
187 return 0;
188 }
189
190 switch (opt->type) {
191 case enable_option:
192 switch (*value) {
193 case OPTION_ENABLED:
194 e_dev_info("%s Enabled\n", opt->name);
195 return 0;
196 case OPTION_DISABLED:
197 e_dev_info("%s Disabled\n", opt->name);
198 return 0;
199 }
200 break;
201 case range_option:
202 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
203 e_dev_info("%s set to %i\n", opt->name, *value);
204 return 0;
205 }
206 break;
207 case list_option: {
208 int i;
209 const struct e1000_opt_list *ent;
210
211 for (i = 0; i < opt->arg.l.nr; i++) {
212 ent = &opt->arg.l.p[i];
213 if (*value == ent->i) {
214 if (ent->str[0] != '\0')
215 e_dev_info("%s\n", ent->str);
216 return 0;
217 }
218 }
219 }
220 break;
221 default:
222 BUG();
223 }
224
225 e_dev_info("Invalid %s value specified (%i) %s\n",
226 opt->name, *value, opt->err);
227 *value = opt->def;
228 return -1;
229}
230
231static void e1000_check_fiber_options(struct e1000_adapter *adapter);
232static void e1000_check_copper_options(struct e1000_adapter *adapter);
233
234/**
235 * e1000_check_options - Range Checking for Command Line Parameters
236 * @adapter: board private structure
237 *
238 * This routine checks all command line parameters for valid user
239 * input. If an invalid value is given, or if no user specified
240 * value exists, a default value is used. The final value is stored
241 * in a variable in the adapter structure.
242 **/
243void e1000_check_options(struct e1000_adapter *adapter)
244{
245 struct e1000_option opt;
246 int bd = adapter->bd_number;
247
248 if (bd >= E1000_MAX_NIC) {
249 e_dev_warn("Warning: no configuration for board #%i "
250 "using defaults for all values\n", bd);
251 }
252
253 { /* Transmit Descriptor Count */
254 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
255 int i;
256 e1000_mac_type mac_type = adapter->hw.mac_type;
257
258 opt = (struct e1000_option) {
259 .type = range_option,
260 .name = "Transmit Descriptors",
261 .err = "using default of "
262 __MODULE_STRING(E1000_DEFAULT_TXD),
263 .def = E1000_DEFAULT_TXD,
264 .arg = { .r = {
265 .min = E1000_MIN_TXD,
266 .max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD
267 }}
268 };
269
270 if (num_TxDescriptors > bd) {
271 tx_ring->count = TxDescriptors[bd];
272 e1000_validate_option(value: &tx_ring->count, opt: &opt, adapter);
273 tx_ring->count = ALIGN(tx_ring->count,
274 REQ_TX_DESCRIPTOR_MULTIPLE);
275 } else {
276 tx_ring->count = opt.def;
277 }
278 for (i = 0; i < adapter->num_tx_queues; i++)
279 tx_ring[i].count = tx_ring->count;
280 }
281 { /* Receive Descriptor Count */
282 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
283 int i;
284 e1000_mac_type mac_type = adapter->hw.mac_type;
285
286 opt = (struct e1000_option) {
287 .type = range_option,
288 .name = "Receive Descriptors",
289 .err = "using default of "
290 __MODULE_STRING(E1000_DEFAULT_RXD),
291 .def = E1000_DEFAULT_RXD,
292 .arg = { .r = {
293 .min = E1000_MIN_RXD,
294 .max = mac_type < e1000_82544 ? E1000_MAX_RXD :
295 E1000_MAX_82544_RXD
296 }}
297 };
298
299 if (num_RxDescriptors > bd) {
300 rx_ring->count = RxDescriptors[bd];
301 e1000_validate_option(value: &rx_ring->count, opt: &opt, adapter);
302 rx_ring->count = ALIGN(rx_ring->count,
303 REQ_RX_DESCRIPTOR_MULTIPLE);
304 } else {
305 rx_ring->count = opt.def;
306 }
307 for (i = 0; i < adapter->num_rx_queues; i++)
308 rx_ring[i].count = rx_ring->count;
309 }
310 { /* Checksum Offload Enable/Disable */
311 opt = (struct e1000_option) {
312 .type = enable_option,
313 .name = "Checksum Offload",
314 .err = "defaulting to Enabled",
315 .def = OPTION_ENABLED
316 };
317
318 if (num_XsumRX > bd) {
319 unsigned int rx_csum = XsumRX[bd];
320 e1000_validate_option(value: &rx_csum, opt: &opt, adapter);
321 adapter->rx_csum = rx_csum;
322 } else {
323 adapter->rx_csum = opt.def;
324 }
325 }
326 { /* Flow Control */
327
328 static const struct e1000_opt_list fc_list[] = {
329 { E1000_FC_NONE, "Flow Control Disabled" },
330 { .i: E1000_FC_RX_PAUSE, .str: "Flow Control Receive Only" },
331 { .i: E1000_FC_TX_PAUSE, .str: "Flow Control Transmit Only" },
332 { .i: E1000_FC_FULL, .str: "Flow Control Enabled" },
333 { .i: E1000_FC_DEFAULT, .str: "Flow Control Hardware Default" }
334 };
335
336 opt = (struct e1000_option) {
337 .type = list_option,
338 .name = "Flow Control",
339 .err = "reading default settings from EEPROM",
340 .def = E1000_FC_DEFAULT,
341 .arg = { .l = { .nr = ARRAY_SIZE(fc_list),
342 .p = fc_list }}
343 };
344
345 if (num_FlowControl > bd) {
346 unsigned int fc = FlowControl[bd];
347 e1000_validate_option(value: &fc, opt: &opt, adapter);
348 adapter->hw.fc = adapter->hw.original_fc = fc;
349 } else {
350 adapter->hw.fc = adapter->hw.original_fc = opt.def;
351 }
352 }
353 { /* Transmit Interrupt Delay */
354 opt = (struct e1000_option) {
355 .type = range_option,
356 .name = "Transmit Interrupt Delay",
357 .err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
358 .def = DEFAULT_TIDV,
359 .arg = { .r = { .min = MIN_TXDELAY,
360 .max = MAX_TXDELAY }}
361 };
362
363 if (num_TxIntDelay > bd) {
364 adapter->tx_int_delay = TxIntDelay[bd];
365 e1000_validate_option(value: &adapter->tx_int_delay, opt: &opt,
366 adapter);
367 } else {
368 adapter->tx_int_delay = opt.def;
369 }
370 }
371 { /* Transmit Absolute Interrupt Delay */
372 opt = (struct e1000_option) {
373 .type = range_option,
374 .name = "Transmit Absolute Interrupt Delay",
375 .err = "using default of " __MODULE_STRING(DEFAULT_TADV),
376 .def = DEFAULT_TADV,
377 .arg = { .r = { .min = MIN_TXABSDELAY,
378 .max = MAX_TXABSDELAY }}
379 };
380
381 if (num_TxAbsIntDelay > bd) {
382 adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
383 e1000_validate_option(value: &adapter->tx_abs_int_delay, opt: &opt,
384 adapter);
385 } else {
386 adapter->tx_abs_int_delay = opt.def;
387 }
388 }
389 { /* Receive Interrupt Delay */
390 opt = (struct e1000_option) {
391 .type = range_option,
392 .name = "Receive Interrupt Delay",
393 .err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
394 .def = DEFAULT_RDTR,
395 .arg = { .r = { .min = MIN_RXDELAY,
396 .max = MAX_RXDELAY }}
397 };
398
399 if (num_RxIntDelay > bd) {
400 adapter->rx_int_delay = RxIntDelay[bd];
401 e1000_validate_option(value: &adapter->rx_int_delay, opt: &opt,
402 adapter);
403 } else {
404 adapter->rx_int_delay = opt.def;
405 }
406 }
407 { /* Receive Absolute Interrupt Delay */
408 opt = (struct e1000_option) {
409 .type = range_option,
410 .name = "Receive Absolute Interrupt Delay",
411 .err = "using default of " __MODULE_STRING(DEFAULT_RADV),
412 .def = DEFAULT_RADV,
413 .arg = { .r = { .min = MIN_RXABSDELAY,
414 .max = MAX_RXABSDELAY }}
415 };
416
417 if (num_RxAbsIntDelay > bd) {
418 adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
419 e1000_validate_option(value: &adapter->rx_abs_int_delay, opt: &opt,
420 adapter);
421 } else {
422 adapter->rx_abs_int_delay = opt.def;
423 }
424 }
425 { /* Interrupt Throttling Rate */
426 opt = (struct e1000_option) {
427 .type = range_option,
428 .name = "Interrupt Throttling Rate (ints/sec)",
429 .err = "using default of " __MODULE_STRING(DEFAULT_ITR),
430 .def = DEFAULT_ITR,
431 .arg = { .r = { .min = MIN_ITR,
432 .max = MAX_ITR }}
433 };
434
435 if (num_InterruptThrottleRate > bd) {
436 adapter->itr = InterruptThrottleRate[bd];
437 switch (adapter->itr) {
438 case 0:
439 e_dev_info("%s turned off\n", opt.name);
440 break;
441 case 1:
442 e_dev_info("%s set to dynamic mode\n",
443 opt.name);
444 adapter->itr_setting = adapter->itr;
445 adapter->itr = 20000;
446 break;
447 case 3:
448 e_dev_info("%s set to dynamic conservative "
449 "mode\n", opt.name);
450 adapter->itr_setting = adapter->itr;
451 adapter->itr = 20000;
452 break;
453 case 4:
454 e_dev_info("%s set to simplified "
455 "(2000-8000) ints mode\n", opt.name);
456 adapter->itr_setting = adapter->itr;
457 break;
458 default:
459 e1000_validate_option(value: &adapter->itr, opt: &opt,
460 adapter);
461 /* save the setting, because the dynamic bits
462 * change itr.
463 * clear the lower two bits because they are
464 * used as control
465 */
466 adapter->itr_setting = adapter->itr & ~3;
467 break;
468 }
469 } else {
470 adapter->itr_setting = opt.def;
471 adapter->itr = 20000;
472 }
473 }
474 { /* Smart Power Down */
475 opt = (struct e1000_option) {
476 .type = enable_option,
477 .name = "PHY Smart Power Down",
478 .err = "defaulting to Disabled",
479 .def = OPTION_DISABLED
480 };
481
482 if (num_SmartPowerDownEnable > bd) {
483 unsigned int spd = SmartPowerDownEnable[bd];
484 e1000_validate_option(value: &spd, opt: &opt, adapter);
485 adapter->smart_power_down = spd;
486 } else {
487 adapter->smart_power_down = 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 **/
510static void e1000_check_fiber_options(struct e1000_adapter *adapter)
511{
512 int bd = adapter->bd_number;
513 if (num_Speed > bd) {
514 e_dev_info("Speed not valid for fiber adapters, parameter "
515 "ignored\n");
516 }
517
518 if (num_Duplex > bd) {
519 e_dev_info("Duplex not valid for fiber adapters, parameter "
520 "ignored\n");
521 }
522
523 if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
524 e_dev_info("AutoNeg other than 1000/Full is not valid for fiber"
525 "adapters, parameter ignored\n");
526 }
527}
528
529/**
530 * e1000_check_copper_options - Range Checking for Link Options, Copper Version
531 * @adapter: board private structure
532 *
533 * Handles speed and duplex options on copper adapters
534 **/
535static void e1000_check_copper_options(struct e1000_adapter *adapter)
536{
537 struct e1000_option opt;
538 unsigned int speed, dplx, an;
539 int bd = adapter->bd_number;
540
541 { /* Speed */
542 static const struct e1000_opt_list speed_list[] = {
543 { 0, "" },
544 { SPEED_10, .str: "" },
545 { SPEED_100, .str: "" },
546 { SPEED_1000, .str: "" }};
547
548 opt = (struct e1000_option) {
549 .type = list_option,
550 .name = "Speed",
551 .err = "parameter ignored",
552 .def = 0,
553 .arg = { .l = { .nr = ARRAY_SIZE(speed_list),
554 .p = speed_list }}
555 };
556
557 if (num_Speed > bd) {
558 speed = Speed[bd];
559 e1000_validate_option(value: &speed, opt: &opt, adapter);
560 } else {
561 speed = opt.def;
562 }
563 }
564 { /* Duplex */
565 static const struct e1000_opt_list dplx_list[] = {
566 { 0, "" },
567 { HALF_DUPLEX, .str: "" },
568 { FULL_DUPLEX, .str: "" }};
569
570 opt = (struct e1000_option) {
571 .type = list_option,
572 .name = "Duplex",
573 .err = "parameter ignored",
574 .def = 0,
575 .arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
576 .p = dplx_list }}
577 };
578
579 if (num_Duplex > bd) {
580 dplx = Duplex[bd];
581 e1000_validate_option(value: &dplx, opt: &opt, adapter);
582 } else {
583 dplx = opt.def;
584 }
585 }
586
587 if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
588 e_dev_info("AutoNeg specified along with Speed or Duplex, "
589 "parameter ignored\n");
590 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
591 } else { /* Autoneg */
592 static const struct e1000_opt_list an_list[] =
593 #define AA "AutoNeg advertising "
594 {{ 0x01, AA "10/HD" },
595 { .i: 0x02, AA "10/FD" },
596 { .i: 0x03, AA "10/FD, 10/HD" },
597 { .i: 0x04, AA "100/HD" },
598 { .i: 0x05, AA "100/HD, 10/HD" },
599 { .i: 0x06, AA "100/HD, 10/FD" },
600 { .i: 0x07, AA "100/HD, 10/FD, 10/HD" },
601 { .i: 0x08, AA "100/FD" },
602 { .i: 0x09, AA "100/FD, 10/HD" },
603 { .i: 0x0a, AA "100/FD, 10/FD" },
604 { .i: 0x0b, AA "100/FD, 10/FD, 10/HD" },
605 { .i: 0x0c, AA "100/FD, 100/HD" },
606 { .i: 0x0d, AA "100/FD, 100/HD, 10/HD" },
607 { .i: 0x0e, AA "100/FD, 100/HD, 10/FD" },
608 { .i: 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
609 { .i: 0x20, AA "1000/FD" },
610 { .i: 0x21, AA "1000/FD, 10/HD" },
611 { .i: 0x22, AA "1000/FD, 10/FD" },
612 { .i: 0x23, AA "1000/FD, 10/FD, 10/HD" },
613 { .i: 0x24, AA "1000/FD, 100/HD" },
614 { .i: 0x25, AA "1000/FD, 100/HD, 10/HD" },
615 { .i: 0x26, AA "1000/FD, 100/HD, 10/FD" },
616 { .i: 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
617 { .i: 0x28, AA "1000/FD, 100/FD" },
618 { .i: 0x29, AA "1000/FD, 100/FD, 10/HD" },
619 { .i: 0x2a, AA "1000/FD, 100/FD, 10/FD" },
620 { .i: 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
621 { .i: 0x2c, AA "1000/FD, 100/FD, 100/HD" },
622 { .i: 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
623 { .i: 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
624 { .i: 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
625
626 opt = (struct e1000_option) {
627 .type = list_option,
628 .name = "AutoNeg",
629 .err = "parameter ignored",
630 .def = AUTONEG_ADV_DEFAULT,
631 .arg = { .l = { .nr = ARRAY_SIZE(an_list),
632 .p = an_list }}
633 };
634
635 if (num_AutoNeg > bd) {
636 an = AutoNeg[bd];
637 e1000_validate_option(value: &an, opt: &opt, adapter);
638 } else {
639 an = opt.def;
640 }
641 adapter->hw.autoneg_advertised = an;
642 }
643
644 switch (speed + dplx) {
645 case 0:
646 adapter->hw.autoneg = adapter->fc_autoneg = 1;
647 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
648 e_dev_info("Speed and duplex autonegotiation "
649 "enabled\n");
650 break;
651 case HALF_DUPLEX:
652 e_dev_info("Half Duplex specified without Speed\n");
653 e_dev_info("Using Autonegotiation at 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 e_dev_info("Full Duplex specified without Speed\n");
660 e_dev_info("Using Autonegotiation at Full Duplex only\n");
661 adapter->hw.autoneg = adapter->fc_autoneg = 1;
662 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
663 ADVERTISE_100_FULL |
664 ADVERTISE_1000_FULL;
665 break;
666 case SPEED_10:
667 e_dev_info("10 Mbps Speed specified without Duplex\n");
668 e_dev_info("Using Autonegotiation at 10 Mbps only\n");
669 adapter->hw.autoneg = adapter->fc_autoneg = 1;
670 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
671 ADVERTISE_10_FULL;
672 break;
673 case SPEED_10 + HALF_DUPLEX:
674 e_dev_info("Forcing to 10 Mbps Half Duplex\n");
675 adapter->hw.autoneg = adapter->fc_autoneg = 0;
676 adapter->hw.forced_speed_duplex = e1000_10_half;
677 adapter->hw.autoneg_advertised = 0;
678 break;
679 case SPEED_10 + FULL_DUPLEX:
680 e_dev_info("Forcing to 10 Mbps Full Duplex\n");
681 adapter->hw.autoneg = adapter->fc_autoneg = 0;
682 adapter->hw.forced_speed_duplex = e1000_10_full;
683 adapter->hw.autoneg_advertised = 0;
684 break;
685 case SPEED_100:
686 e_dev_info("100 Mbps Speed specified without Duplex\n");
687 e_dev_info("Using Autonegotiation at 100 Mbps only\n");
688 adapter->hw.autoneg = adapter->fc_autoneg = 1;
689 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
690 ADVERTISE_100_FULL;
691 break;
692 case SPEED_100 + HALF_DUPLEX:
693 e_dev_info("Forcing to 100 Mbps Half Duplex\n");
694 adapter->hw.autoneg = adapter->fc_autoneg = 0;
695 adapter->hw.forced_speed_duplex = e1000_100_half;
696 adapter->hw.autoneg_advertised = 0;
697 break;
698 case SPEED_100 + FULL_DUPLEX:
699 e_dev_info("Forcing to 100 Mbps Full Duplex\n");
700 adapter->hw.autoneg = adapter->fc_autoneg = 0;
701 adapter->hw.forced_speed_duplex = e1000_100_full;
702 adapter->hw.autoneg_advertised = 0;
703 break;
704 case SPEED_1000:
705 e_dev_info("1000 Mbps Speed specified without Duplex\n");
706 goto full_duplex_only;
707 case SPEED_1000 + HALF_DUPLEX:
708 e_dev_info("Half Duplex is not supported at 1000 Mbps\n");
709 fallthrough;
710 case SPEED_1000 + FULL_DUPLEX:
711full_duplex_only:
712 e_dev_info("Using Autonegotiation at 1000 Mbps Full Duplex "
713 "only\n");
714 adapter->hw.autoneg = adapter->fc_autoneg = 1;
715 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
716 break;
717 default:
718 BUG();
719 }
720
721 /* Speed, AutoNeg and MDI/MDI-X must all play nice */
722 if (e1000_validate_mdi_setting(hw: &(adapter->hw)) < 0) {
723 e_dev_info("Speed, AutoNeg and MDI-X specs are incompatible. "
724 "Setting MDI-X to a compatible value.\n");
725 }
726}
727
728