[NET]: Split skb->csum
[linux-2.6.git] / drivers / net / e1000 / e1000_param.c
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                         E1000_ROUNDUP(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                         E1000_ROUNDUP(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                                 adapter->itr_setting = adapter->itr;
491                                 break;
492                         }
493                 } else {
494                         adapter->itr_setting = opt.def;
495                         adapter->itr = 20000;
496                 }
497         }
498         { /* Smart Power Down */
499                 struct e1000_option opt = {
500                         .type = enable_option,
501                         .name = "PHY Smart Power Down",
502                         .err  = "defaulting to Disabled",
503                         .def  = OPTION_DISABLED
504                 };
505
506                 if (num_SmartPowerDownEnable > bd) {
507                         int spd = SmartPowerDownEnable[bd];
508                         e1000_validate_option(&spd, &opt, adapter);
509                         adapter->smart_power_down = spd;
510                 } else {
511                         adapter->smart_power_down = opt.def;
512                 }
513         }
514         { /* Kumeran Lock Loss Workaround */
515                 struct e1000_option opt = {
516                         .type = enable_option,
517                         .name = "Kumeran Lock Loss Workaround",
518                         .err  = "defaulting to Enabled",
519                         .def  = OPTION_ENABLED
520                 };
521
522                 if (num_KumeranLockLoss > bd) {
523                         int kmrn_lock_loss = KumeranLockLoss[bd];
524                         e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
525                         adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
526                 } else {
527                         adapter->hw.kmrn_lock_loss_workaround_disabled = !opt.def;
528                 }
529         }
530
531         switch (adapter->hw.media_type) {
532         case e1000_media_type_fiber:
533         case e1000_media_type_internal_serdes:
534                 e1000_check_fiber_options(adapter);
535                 break;
536         case e1000_media_type_copper:
537                 e1000_check_copper_options(adapter);
538                 break;
539         default:
540                 BUG();
541         }
542 }
543
544 /**
545  * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
546  * @adapter: board private structure
547  *
548  * Handles speed and duplex options on fiber adapters
549  **/
550
551 static void __devinit
552 e1000_check_fiber_options(struct e1000_adapter *adapter)
553 {
554         int bd = adapter->bd_number;
555         if (num_Speed > bd) {
556                 DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
557                        "parameter ignored\n");
558         }
559
560         if (num_Duplex > bd) {
561                 DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
562                        "parameter ignored\n");
563         }
564
565         if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
566                 DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
567                                  "not valid for fiber adapters, "
568                                  "parameter ignored\n");
569         }
570 }
571
572 /**
573  * e1000_check_copper_options - Range Checking for Link Options, Copper Version
574  * @adapter: board private structure
575  *
576  * Handles speed and duplex options on copper adapters
577  **/
578
579 static void __devinit
580 e1000_check_copper_options(struct e1000_adapter *adapter)
581 {
582         int speed, dplx, an;
583         int bd = adapter->bd_number;
584
585         { /* Speed */
586                 struct e1000_opt_list speed_list[] = {{          0, "" },
587                                                       {   SPEED_10, "" },
588                                                       {  SPEED_100, "" },
589                                                       { SPEED_1000, "" }};
590
591                 struct e1000_option opt = {
592                         .type = list_option,
593                         .name = "Speed",
594                         .err  = "parameter ignored",
595                         .def  = 0,
596                         .arg  = { .l = { .nr = ARRAY_SIZE(speed_list),
597                                          .p = speed_list }}
598                 };
599
600                 if (num_Speed > bd) {
601                         speed = Speed[bd];
602                         e1000_validate_option(&speed, &opt, adapter);
603                 } else {
604                         speed = opt.def;
605                 }
606         }
607         { /* Duplex */
608                 struct e1000_opt_list dplx_list[] = {{           0, "" },
609                                                      { HALF_DUPLEX, "" },
610                                                      { FULL_DUPLEX, "" }};
611
612                 struct e1000_option opt = {
613                         .type = list_option,
614                         .name = "Duplex",
615                         .err  = "parameter ignored",
616                         .def  = 0,
617                         .arg  = { .l = { .nr = ARRAY_SIZE(dplx_list),
618                                          .p = dplx_list }}
619                 };
620
621                 if (e1000_check_phy_reset_block(&adapter->hw)) {
622                         DPRINTK(PROBE, INFO,
623                                 "Link active due to SoL/IDER Session. "
624                                 "Speed/Duplex/AutoNeg parameter ignored.\n");
625                         return;
626                 }
627                 if (num_Duplex > bd) {
628                         dplx = Duplex[bd];
629                         e1000_validate_option(&dplx, &opt, adapter);
630                 } else {
631                         dplx = opt.def;
632                 }
633         }
634
635         if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
636                 DPRINTK(PROBE, INFO,
637                        "AutoNeg specified along with Speed or Duplex, "
638                        "parameter ignored\n");
639                 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
640         } else { /* Autoneg */
641                 struct e1000_opt_list an_list[] =
642                         #define AA "AutoNeg advertising "
643                         {{ 0x01, AA "10/HD" },
644                          { 0x02, AA "10/FD" },
645                          { 0x03, AA "10/FD, 10/HD" },
646                          { 0x04, AA "100/HD" },
647                          { 0x05, AA "100/HD, 10/HD" },
648                          { 0x06, AA "100/HD, 10/FD" },
649                          { 0x07, AA "100/HD, 10/FD, 10/HD" },
650                          { 0x08, AA "100/FD" },
651                          { 0x09, AA "100/FD, 10/HD" },
652                          { 0x0a, AA "100/FD, 10/FD" },
653                          { 0x0b, AA "100/FD, 10/FD, 10/HD" },
654                          { 0x0c, AA "100/FD, 100/HD" },
655                          { 0x0d, AA "100/FD, 100/HD, 10/HD" },
656                          { 0x0e, AA "100/FD, 100/HD, 10/FD" },
657                          { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
658                          { 0x20, AA "1000/FD" },
659                          { 0x21, AA "1000/FD, 10/HD" },
660                          { 0x22, AA "1000/FD, 10/FD" },
661                          { 0x23, AA "1000/FD, 10/FD, 10/HD" },
662                          { 0x24, AA "1000/FD, 100/HD" },
663                          { 0x25, AA "1000/FD, 100/HD, 10/HD" },
664                          { 0x26, AA "1000/FD, 100/HD, 10/FD" },
665                          { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
666                          { 0x28, AA "1000/FD, 100/FD" },
667                          { 0x29, AA "1000/FD, 100/FD, 10/HD" },
668                          { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
669                          { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
670                          { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
671                          { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
672                          { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
673                          { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
674
675                 struct e1000_option opt = {
676                         .type = list_option,
677                         .name = "AutoNeg",
678                         .err  = "parameter ignored",
679                         .def  = AUTONEG_ADV_DEFAULT,
680                         .arg  = { .l = { .nr = ARRAY_SIZE(an_list),
681                                          .p = an_list }}
682                 };
683
684                 if (num_AutoNeg > bd) {
685                         an = AutoNeg[bd];
686                         e1000_validate_option(&an, &opt, adapter);
687                 } else {
688                         an = opt.def;
689                 }
690                 adapter->hw.autoneg_advertised = an;
691         }
692
693         switch (speed + dplx) {
694         case 0:
695                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
696                 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
697                         DPRINTK(PROBE, INFO,
698                                "Speed and duplex autonegotiation enabled\n");
699                 break;
700         case HALF_DUPLEX:
701                 DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
702                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
703                         "Half Duplex only\n");
704                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
705                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
706                                                  ADVERTISE_100_HALF;
707                 break;
708         case FULL_DUPLEX:
709                 DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
710                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
711                         "Full Duplex only\n");
712                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
713                 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
714                                                  ADVERTISE_100_FULL |
715                                                  ADVERTISE_1000_FULL;
716                 break;
717         case SPEED_10:
718                 DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
719                         "without Duplex\n");
720                 DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
721                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
722                 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
723                                                  ADVERTISE_10_FULL;
724                 break;
725         case SPEED_10 + HALF_DUPLEX:
726                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
727                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
728                 adapter->hw.forced_speed_duplex = e1000_10_half;
729                 adapter->hw.autoneg_advertised = 0;
730                 break;
731         case SPEED_10 + FULL_DUPLEX:
732                 DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
733                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
734                 adapter->hw.forced_speed_duplex = e1000_10_full;
735                 adapter->hw.autoneg_advertised = 0;
736                 break;
737         case SPEED_100:
738                 DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
739                         "without Duplex\n");
740                 DPRINTK(PROBE, INFO, "Using Autonegotiation at "
741                         "100 Mbps only\n");
742                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
743                 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
744                                                  ADVERTISE_100_FULL;
745                 break;
746         case SPEED_100 + HALF_DUPLEX:
747                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
748                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
749                 adapter->hw.forced_speed_duplex = e1000_100_half;
750                 adapter->hw.autoneg_advertised = 0;
751                 break;
752         case SPEED_100 + FULL_DUPLEX:
753                 DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
754                 adapter->hw.autoneg = adapter->fc_autoneg = 0;
755                 adapter->hw.forced_speed_duplex = e1000_100_full;
756                 adapter->hw.autoneg_advertised = 0;
757                 break;
758         case SPEED_1000:
759                 DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
760                         "Duplex\n");
761                 DPRINTK(PROBE, INFO,
762                         "Using Autonegotiation at 1000 Mbps "
763                         "Full Duplex only\n");
764                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
765                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
766                 break;
767         case SPEED_1000 + HALF_DUPLEX:
768                 DPRINTK(PROBE, INFO,
769                         "Half Duplex is not supported at 1000 Mbps\n");
770                 DPRINTK(PROBE, INFO,
771                         "Using Autonegotiation at 1000 Mbps "
772                         "Full Duplex only\n");
773                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
774                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
775                 break;
776         case SPEED_1000 + FULL_DUPLEX:
777                 DPRINTK(PROBE, INFO,
778                        "Using Autonegotiation at 1000 Mbps Full Duplex only\n");
779                 adapter->hw.autoneg = adapter->fc_autoneg = 1;
780                 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
781                 break;
782         default:
783                 BUG();
784         }
785
786         /* Speed, AutoNeg and MDI/MDI-X must all play nice */
787         if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
788                 DPRINTK(PROBE, INFO,
789                         "Speed, AutoNeg and MDI-X specifications are "
790                         "incompatible. Setting MDI-X to a compatible value.\n");
791         }
792 }
793