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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  */
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 	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 			const struct e1000_opt_list { int i; char *str; } *p;
212 		} l;
213 	} arg;
214 };
215 
e1000_validate_option(unsigned int * value,const struct e1000_option * opt,struct e1000_adapter * adapter)216 static 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 		const 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 
e1000_check_options(struct e1000_adapter * adapter)280 void __devinit e1000_check_options(struct e1000_adapter *adapter)
281 {
282 	struct e1000_option opt;
283 	int bd = adapter->bd_number;
284 
285 	if (bd >= E1000_MAX_NIC) {
286 		DPRINTK(PROBE, NOTICE,
287 		       "Warning: no configuration for board #%i\n", bd);
288 		DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
289 	}
290 
291 	{ /* Transmit Descriptor Count */
292 		struct e1000_tx_ring *tx_ring = adapter->tx_ring;
293 		int i;
294 		e1000_mac_type mac_type = adapter->hw.mac_type;
295 
296 		opt = (struct e1000_option) {
297 			.type = range_option,
298 			.name = "Transmit Descriptors",
299 			.err  = "using default of "
300 				__MODULE_STRING(E1000_DEFAULT_TXD),
301 			.def  = E1000_DEFAULT_TXD,
302 			.arg  = { .r = {
303 				.min = E1000_MIN_TXD,
304 				.max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD
305 				}}
306 		};
307 
308 		if (num_TxDescriptors > bd) {
309 			tx_ring->count = TxDescriptors[bd];
310 			e1000_validate_option(&tx_ring->count, &opt, adapter);
311 			tx_ring->count = ALIGN(tx_ring->count,
312 						REQ_TX_DESCRIPTOR_MULTIPLE);
313 		} else {
314 			tx_ring->count = opt.def;
315 		}
316 		for (i = 0; i < adapter->num_tx_queues; i++)
317 			tx_ring[i].count = tx_ring->count;
318 	}
319 	{ /* Receive Descriptor Count */
320 		struct e1000_rx_ring *rx_ring = adapter->rx_ring;
321 		int i;
322 		e1000_mac_type mac_type = adapter->hw.mac_type;
323 
324 		opt = (struct e1000_option) {
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 = {
331 				.min = E1000_MIN_RXD,
332 				.max = mac_type < e1000_82544 ? E1000_MAX_RXD : E1000_MAX_82544_RXD
333 			}}
334 		};
335 
336 		if (num_RxDescriptors > bd) {
337 			rx_ring->count = RxDescriptors[bd];
338 			e1000_validate_option(&rx_ring->count, &opt, adapter);
339 			rx_ring->count = ALIGN(rx_ring->count,
340 						REQ_RX_DESCRIPTOR_MULTIPLE);
341 		} else {
342 			rx_ring->count = opt.def;
343 		}
344 		for (i = 0; i < adapter->num_rx_queues; i++)
345 			rx_ring[i].count = rx_ring->count;
346 	}
347 	{ /* Checksum Offload Enable/Disable */
348 		opt = (struct e1000_option) {
349 			.type = enable_option,
350 			.name = "Checksum Offload",
351 			.err  = "defaulting to Enabled",
352 			.def  = OPTION_ENABLED
353 		};
354 
355 		if (num_XsumRX > bd) {
356 			unsigned int rx_csum = XsumRX[bd];
357 			e1000_validate_option(&rx_csum, &opt, adapter);
358 			adapter->rx_csum = rx_csum;
359 		} else {
360 			adapter->rx_csum = opt.def;
361 		}
362 	}
363 	{ /* Flow Control */
364 
365 		struct e1000_opt_list fc_list[] =
366 			{{ E1000_FC_NONE,    "Flow Control Disabled" },
367 			 { E1000_FC_RX_PAUSE,"Flow Control Receive Only" },
368 			 { E1000_FC_TX_PAUSE,"Flow Control Transmit Only" },
369 			 { E1000_FC_FULL,    "Flow Control Enabled" },
370 			 { E1000_FC_DEFAULT, "Flow Control Hardware Default" }};
371 
372 		opt = (struct e1000_option) {
373 			.type = list_option,
374 			.name = "Flow Control",
375 			.err  = "reading default settings from EEPROM",
376 			.def  = E1000_FC_DEFAULT,
377 			.arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
378 					 .p = fc_list }}
379 		};
380 
381 		if (num_FlowControl > bd) {
382 			unsigned int fc = FlowControl[bd];
383 			e1000_validate_option(&fc, &opt, adapter);
384 			adapter->hw.fc = adapter->hw.original_fc = fc;
385 		} else {
386 			adapter->hw.fc = adapter->hw.original_fc = opt.def;
387 		}
388 	}
389 	{ /* Transmit Interrupt Delay */
390 		opt = (struct e1000_option) {
391 			.type = range_option,
392 			.name = "Transmit Interrupt Delay",
393 			.err  = "using default of " __MODULE_STRING(DEFAULT_TIDV),
394 			.def  = DEFAULT_TIDV,
395 			.arg  = { .r = { .min = MIN_TXDELAY,
396 					 .max = MAX_TXDELAY }}
397 		};
398 
399 		if (num_TxIntDelay > bd) {
400 			adapter->tx_int_delay = TxIntDelay[bd];
401 			e1000_validate_option(&adapter->tx_int_delay, &opt,
402 			                      adapter);
403 		} else {
404 			adapter->tx_int_delay = opt.def;
405 		}
406 	}
407 	{ /* Transmit Absolute Interrupt Delay */
408 		opt = (struct e1000_option) {
409 			.type = range_option,
410 			.name = "Transmit Absolute Interrupt Delay",
411 			.err  = "using default of " __MODULE_STRING(DEFAULT_TADV),
412 			.def  = DEFAULT_TADV,
413 			.arg  = { .r = { .min = MIN_TXABSDELAY,
414 					 .max = MAX_TXABSDELAY }}
415 		};
416 
417 		if (num_TxAbsIntDelay > bd) {
418 			adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
419 			e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
420 			                      adapter);
421 		} else {
422 			adapter->tx_abs_int_delay = opt.def;
423 		}
424 	}
425 	{ /* Receive Interrupt Delay */
426 		opt = (struct e1000_option) {
427 			.type = range_option,
428 			.name = "Receive Interrupt Delay",
429 			.err  = "using default of " __MODULE_STRING(DEFAULT_RDTR),
430 			.def  = DEFAULT_RDTR,
431 			.arg  = { .r = { .min = MIN_RXDELAY,
432 					 .max = MAX_RXDELAY }}
433 		};
434 
435 		if (num_RxIntDelay > bd) {
436 			adapter->rx_int_delay = RxIntDelay[bd];
437 			e1000_validate_option(&adapter->rx_int_delay, &opt,
438 			                      adapter);
439 		} else {
440 			adapter->rx_int_delay = opt.def;
441 		}
442 	}
443 	{ /* Receive Absolute Interrupt Delay */
444 		opt = (struct e1000_option) {
445 			.type = range_option,
446 			.name = "Receive Absolute Interrupt Delay",
447 			.err  = "using default of " __MODULE_STRING(DEFAULT_RADV),
448 			.def  = DEFAULT_RADV,
449 			.arg  = { .r = { .min = MIN_RXABSDELAY,
450 					 .max = MAX_RXABSDELAY }}
451 		};
452 
453 		if (num_RxAbsIntDelay > bd) {
454 			adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
455 			e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
456 			                      adapter);
457 		} else {
458 			adapter->rx_abs_int_delay = opt.def;
459 		}
460 	}
461 	{ /* Interrupt Throttling Rate */
462 		opt = (struct e1000_option) {
463 			.type = range_option,
464 			.name = "Interrupt Throttling Rate (ints/sec)",
465 			.err  = "using default of " __MODULE_STRING(DEFAULT_ITR),
466 			.def  = DEFAULT_ITR,
467 			.arg  = { .r = { .min = MIN_ITR,
468 					 .max = MAX_ITR }}
469 		};
470 
471 		if (num_InterruptThrottleRate > bd) {
472 			adapter->itr = InterruptThrottleRate[bd];
473 			switch (adapter->itr) {
474 			case 0:
475 				DPRINTK(PROBE, INFO, "%s turned off\n",
476 				        opt.name);
477 				break;
478 			case 1:
479 				DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
480 					opt.name);
481 				adapter->itr_setting = adapter->itr;
482 				adapter->itr = 20000;
483 				break;
484 			case 3:
485 				DPRINTK(PROBE, INFO,
486 				        "%s set to dynamic conservative mode\n",
487 					opt.name);
488 				adapter->itr_setting = adapter->itr;
489 				adapter->itr = 20000;
490 				break;
491 			default:
492 				e1000_validate_option(&adapter->itr, &opt,
493 				        adapter);
494 				/* save the setting, because the dynamic bits change itr */
495 				/* clear the lower two bits because they are
496 				 * used as control */
497 				adapter->itr_setting = adapter->itr & ~3;
498 				break;
499 			}
500 		} else {
501 			adapter->itr_setting = opt.def;
502 			adapter->itr = 20000;
503 		}
504 	}
505 	{ /* Smart Power Down */
506 		opt = (struct e1000_option) {
507 			.type = enable_option,
508 			.name = "PHY Smart Power Down",
509 			.err  = "defaulting to Disabled",
510 			.def  = OPTION_DISABLED
511 		};
512 
513 		if (num_SmartPowerDownEnable > bd) {
514 			unsigned int spd = SmartPowerDownEnable[bd];
515 			e1000_validate_option(&spd, &opt, adapter);
516 			adapter->smart_power_down = spd;
517 		} else {
518 			adapter->smart_power_down = opt.def;
519 		}
520 	}
521 	{ /* Kumeran Lock Loss Workaround */
522 		opt = (struct e1000_option) {
523 			.type = enable_option,
524 			.name = "Kumeran Lock Loss Workaround",
525 			.err  = "defaulting to Enabled",
526 			.def  = OPTION_ENABLED
527 		};
528 
529 		if (num_KumeranLockLoss > bd) {
530 			unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
531 			e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
532 			adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
533 		} else {
534 			adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def;
535 		}
536 	}
537 
538 	switch (adapter->hw.media_type) {
539 	case e1000_media_type_fiber:
540 	case e1000_media_type_internal_serdes:
541 		e1000_check_fiber_options(adapter);
542 		break;
543 	case e1000_media_type_copper:
544 		e1000_check_copper_options(adapter);
545 		break;
546 	default:
547 		BUG();
548 	}
549 }
550 
551 /**
552  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
553  * @adapter: board private structure
554  *
555  * Handles speed and duplex options on fiber adapters
556  **/
557 
e1000_check_fiber_options(struct e1000_adapter * adapter)558 static void __devinit e1000_check_fiber_options(struct e1000_adapter *adapter)
559 {
560 	int bd = adapter->bd_number;
561 	if (num_Speed > bd) {
562 		DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
563 		       "parameter ignored\n");
564 	}
565 
566 	if (num_Duplex > bd) {
567 		DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
568 		       "parameter ignored\n");
569 	}
570 
571 	if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
572 		DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
573 				 "not valid for fiber adapters, "
574 				 "parameter ignored\n");
575 	}
576 }
577 
578 /**
579  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
580  * @adapter: board private structure
581  *
582  * Handles speed and duplex options on copper adapters
583  **/
584 
e1000_check_copper_options(struct e1000_adapter * adapter)585 static void __devinit e1000_check_copper_options(struct e1000_adapter *adapter)
586 {
587 	struct e1000_option opt;
588 	unsigned int speed, dplx, an;
589 	int bd = adapter->bd_number;
590 
591 	{ /* Speed */
592 		static const struct e1000_opt_list speed_list[] = {
593 			{          0, "" },
594 			{   SPEED_10, "" },
595 			{  SPEED_100, "" },
596 			{ SPEED_1000, "" }};
597 
598 		opt = (struct e1000_option) {
599 			.type = list_option,
600 			.name = "Speed",
601 			.err  = "parameter ignored",
602 			.def  = 0,
603 			.arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
604 					 .p = speed_list }}
605 		};
606 
607 		if (num_Speed > bd) {
608 			speed = Speed[bd];
609 			e1000_validate_option(&speed, &opt, adapter);
610 		} else {
611 			speed = opt.def;
612 		}
613 	}
614 	{ /* Duplex */
615 		static const struct e1000_opt_list dplx_list[] = {
616 			{           0, "" },
617 			{ HALF_DUPLEX, "" },
618 			{ FULL_DUPLEX, "" }};
619 
620 		opt = (struct e1000_option) {
621 			.type = list_option,
622 			.name = "Duplex",
623 			.err  = "parameter ignored",
624 			.def  = 0,
625 			.arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
626 					 .p = dplx_list }}
627 		};
628 
629 		if (e1000_check_phy_reset_block(&adapter->hw)) {
630 			DPRINTK(PROBE, INFO,
631 				"Link active due to SoL/IDER Session. "
632 			        "Speed/Duplex/AutoNeg parameter ignored.\n");
633 			return;
634 		}
635 		if (num_Duplex > bd) {
636 			dplx = Duplex[bd];
637 			e1000_validate_option(&dplx, &opt, adapter);
638 		} else {
639 			dplx = opt.def;
640 		}
641 	}
642 
643 	if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
644 		DPRINTK(PROBE, INFO,
645 		       "AutoNeg specified along with Speed or Duplex, "
646 		       "parameter ignored\n");
647 		adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
648 	} else { /* Autoneg */
649 		static const struct e1000_opt_list an_list[] =
650 			#define AA "AutoNeg advertising "
651 			{{ 0x01, AA "10/HD" },
652 			 { 0x02, AA "10/FD" },
653 			 { 0x03, AA "10/FD, 10/HD" },
654 			 { 0x04, AA "100/HD" },
655 			 { 0x05, AA "100/HD, 10/HD" },
656 			 { 0x06, AA "100/HD, 10/FD" },
657 			 { 0x07, AA "100/HD, 10/FD, 10/HD" },
658 			 { 0x08, AA "100/FD" },
659 			 { 0x09, AA "100/FD, 10/HD" },
660 			 { 0x0a, AA "100/FD, 10/FD" },
661 			 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
662 			 { 0x0c, AA "100/FD, 100/HD" },
663 			 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
664 			 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
665 			 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
666 			 { 0x20, AA "1000/FD" },
667 			 { 0x21, AA "1000/FD, 10/HD" },
668 			 { 0x22, AA "1000/FD, 10/FD" },
669 			 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
670 			 { 0x24, AA "1000/FD, 100/HD" },
671 			 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
672 			 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
673 			 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
674 			 { 0x28, AA "1000/FD, 100/FD" },
675 			 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
676 			 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
677 			 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
678 			 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
679 			 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
680 			 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
681 			 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
682 
683 		opt = (struct e1000_option) {
684 			.type = list_option,
685 			.name = "AutoNeg",
686 			.err  = "parameter ignored",
687 			.def  = AUTONEG_ADV_DEFAULT,
688 			.arg  = { .l = { .nr = ARRAY_SIZE(an_list),
689 					 .p = an_list }}
690 		};
691 
692 		if (num_AutoNeg > bd) {
693 			an = AutoNeg[bd];
694 			e1000_validate_option(&an, &opt, adapter);
695 		} else {
696 			an = opt.def;
697 		}
698 		adapter->hw.autoneg_advertised = an;
699 	}
700 
701 	switch (speed + dplx) {
702 	case 0:
703 		adapter->hw.autoneg = adapter->fc_autoneg = 1;
704 		if ((num_Speed > bd) && (speed != 0 || dplx != 0))
705 			DPRINTK(PROBE, INFO,
706 			       "Speed and duplex autonegotiation enabled\n");
707 		break;
708 	case HALF_DUPLEX:
709 		DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
710 		DPRINTK(PROBE, INFO, "Using Autonegotiation at "
711 			"Half Duplex only\n");
712 		adapter->hw.autoneg = adapter->fc_autoneg = 1;
713 		adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
714 		                                 ADVERTISE_100_HALF;
715 		break;
716 	case FULL_DUPLEX:
717 		DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
718 		DPRINTK(PROBE, INFO, "Using Autonegotiation at "
719 			"Full Duplex only\n");
720 		adapter->hw.autoneg = adapter->fc_autoneg = 1;
721 		adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
722 		                                 ADVERTISE_100_FULL |
723 		                                 ADVERTISE_1000_FULL;
724 		break;
725 	case SPEED_10:
726 		DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
727 			"without Duplex\n");
728 		DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
729 		adapter->hw.autoneg = adapter->fc_autoneg = 1;
730 		adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
731 		                                 ADVERTISE_10_FULL;
732 		break;
733 	case SPEED_10 + HALF_DUPLEX:
734 		DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
735 		adapter->hw.autoneg = adapter->fc_autoneg = 0;
736 		adapter->hw.forced_speed_duplex = e1000_10_half;
737 		adapter->hw.autoneg_advertised = 0;
738 		break;
739 	case SPEED_10 + FULL_DUPLEX:
740 		DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
741 		adapter->hw.autoneg = adapter->fc_autoneg = 0;
742 		adapter->hw.forced_speed_duplex = e1000_10_full;
743 		adapter->hw.autoneg_advertised = 0;
744 		break;
745 	case SPEED_100:
746 		DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
747 			"without Duplex\n");
748 		DPRINTK(PROBE, INFO, "Using Autonegotiation at "
749 			"100 Mbps only\n");
750 		adapter->hw.autoneg = adapter->fc_autoneg = 1;
751 		adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
752 		                                 ADVERTISE_100_FULL;
753 		break;
754 	case SPEED_100 + HALF_DUPLEX:
755 		DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
756 		adapter->hw.autoneg = adapter->fc_autoneg = 0;
757 		adapter->hw.forced_speed_duplex = e1000_100_half;
758 		adapter->hw.autoneg_advertised = 0;
759 		break;
760 	case SPEED_100 + FULL_DUPLEX:
761 		DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
762 		adapter->hw.autoneg = adapter->fc_autoneg = 0;
763 		adapter->hw.forced_speed_duplex = e1000_100_full;
764 		adapter->hw.autoneg_advertised = 0;
765 		break;
766 	case SPEED_1000:
767 		DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
768 			"Duplex\n");
769 		goto full_duplex_only;
770 	case SPEED_1000 + HALF_DUPLEX:
771 		DPRINTK(PROBE, INFO,
772 			"Half Duplex is not supported at 1000 Mbps\n");
773 		/* fall through */
774 	case SPEED_1000 + FULL_DUPLEX:
775 full_duplex_only:
776 		DPRINTK(PROBE, INFO,
777 		       "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
778 		adapter->hw.autoneg = adapter->fc_autoneg = 1;
779 		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
780 		break;
781 	default:
782 		BUG();
783 	}
784 
785 	/* Speed, AutoNeg and MDI/MDI-X must all play nice */
786 	if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
787 		DPRINTK(PROBE, INFO,
788 			"Speed, AutoNeg and MDI-X specifications are "
789 			"incompatible. Setting MDI-X to a compatible value.\n");
790 	}
791 }
792 
793