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Jeff Kirsherae06c702018-03-22 10:08:48 -07001// SPDX-License-Identifier: GPL-2.0
Jeff Kirsher51dce242018-04-26 08:08:09 -07002/* Copyright(c) 1999 - 2006 Intel Corporation. */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003
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) \
Bill Pemberton9f9a12f2012-12-03 09:24:25 -050023 static int X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
Stephen Hemmingerabec42a2007-10-29 10:46:19 -070024 static unsigned int num_##X; \
Linus Torvalds1da177e2005-04-16 15:20:36 -070025 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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070035E1000_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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070044E1000_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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070056E1000_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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070067E1000_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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070083E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
Auke Kok04fedbf2006-11-01 08:48:07 -080084#define AUTONEG_ADV_DEFAULT 0x2F
85#define AUTONEG_ADV_MASK 0x2F
Linus Torvalds1da177e2005-04-16 15:20:36 -070086
87/* User Specified Flow Control Override
88 *
89 * Valid Range: 0-3
90 * - 0 - No Flow Control
91 * - 1 - Rx only, respond to PAUSE frames but do not generate them
92 * - 2 - Tx only, generate PAUSE frames but ignore them on receive
93 * - 3 - Full Flow Control Support
94 *
95 * Default Value: Read flow control settings from the EEPROM
96 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070097E1000_PARAM(FlowControl, "Flow Control setting");
Auke Kok04fedbf2006-11-01 08:48:07 -080098#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
100/* XsumRX - Receive Checksum Offload Enable/Disable
101 *
102 * Valid Range: 0, 1
103 * - 0 - disables all checksum offload
104 * - 1 - enables receive IP/TCP/UDP checksum offload
105 * on 82543 and newer -based NICs
106 *
107 * Default Value: 1
108 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
110
111/* Transmit Interrupt Delay in units of 1.024 microseconds
Auke Kok04fedbf2006-11-01 08:48:07 -0800112 * Tx interrupt delay needs to typically be set to something non zero
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 *
114 * Valid Range: 0-65535
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
Jesse Brandeburg835bb122006-11-01 08:48:13 -0800117#define DEFAULT_TIDV 8
Auke Kok04fedbf2006-11-01 08:48:07 -0800118#define MAX_TXDELAY 0xFFFF
119#define MIN_TXDELAY 0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120
121/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
122 *
123 * Valid Range: 0-65535
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
Jesse Brandeburg835bb122006-11-01 08:48:13 -0800126#define DEFAULT_TADV 32
Auke Kok04fedbf2006-11-01 08:48:07 -0800127#define MAX_TXABSDELAY 0xFFFF
128#define MIN_TXABSDELAY 0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
130/* Receive Interrupt Delay in units of 1.024 microseconds
Auke Kok04fedbf2006-11-01 08:48:07 -0800131 * hardware will likely hang if you set this to anything but zero.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132 *
133 * Valid Range: 0-65535
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
Auke Kok04fedbf2006-11-01 08:48:07 -0800136#define DEFAULT_RDTR 0
137#define MAX_RXDELAY 0xFFFF
138#define MIN_RXDELAY 0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139
140/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
141 *
142 * Valid Range: 0-65535
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
Jesse Brandeburg835bb122006-11-01 08:48:13 -0800145#define DEFAULT_RADV 8
Auke Kok04fedbf2006-11-01 08:48:07 -0800146#define MAX_RXABSDELAY 0xFFFF
147#define MIN_RXABSDELAY 0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148
149/* Interrupt Throttle Rate (interrupts/sec)
150 *
Jesse Brandeburg835bb122006-11-01 08:48:13 -0800151 * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
Jesse Brandeburg835bb122006-11-01 08:48:13 -0800154#define DEFAULT_ITR 3
Auke Kok04fedbf2006-11-01 08:48:07 -0800155#define MAX_ITR 100000
156#define MIN_ITR 100
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157
Auke Kok9a53a202006-06-27 09:06:45 -0700158/* Enable Smart Power Down of the PHY
159 *
160 * Valid Range: 0, 1
161 *
162 * Default Value: 0 (disabled)
163 */
Auke Kok9a53a202006-06-27 09:06:45 -0700164E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
165
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166struct e1000_option {
167 enum { enable_option, range_option, list_option } type;
Stephen Hemmingerabec42a2007-10-29 10:46:19 -0700168 const char *name;
169 const char *err;
170 int def;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171 union {
172 struct { /* range_option info */
173 int min;
174 int max;
175 } r;
176 struct { /* list_option info */
177 int nr;
Linus Torvalds16ecf852008-08-27 01:14:46 -0700178 const struct e1000_opt_list { int i; char *str; } *p;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179 } l;
180 } arg;
181};
182
Bill Pemberton9f9a12f2012-12-03 09:24:25 -0500183static int e1000_validate_option(unsigned int *value,
Greg Kroah-Hartman1dd06ae2012-12-06 14:30:56 +0000184 const struct e1000_option *opt,
185 struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186{
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800187 if (*value == OPTION_UNSET) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188 *value = opt->def;
189 return 0;
190 }
191
192 switch (opt->type) {
193 case enable_option:
194 switch (*value) {
195 case OPTION_ENABLED:
Emil Tantilov675ad472010-04-27 14:02:58 +0000196 e_dev_info("%s Enabled\n", opt->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197 return 0;
198 case OPTION_DISABLED:
Emil Tantilov675ad472010-04-27 14:02:58 +0000199 e_dev_info("%s Disabled\n", opt->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200 return 0;
201 }
202 break;
203 case range_option:
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800204 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
Emil Tantilov675ad472010-04-27 14:02:58 +0000205 e_dev_info("%s set to %i\n", opt->name, *value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206 return 0;
207 }
208 break;
209 case list_option: {
210 int i;
Linus Torvalds16ecf852008-08-27 01:14:46 -0700211 const struct e1000_opt_list *ent;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800213 for (i = 0; i < opt->arg.l.nr; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214 ent = &opt->arg.l.p[i];
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800215 if (*value == ent->i) {
216 if (ent->str[0] != '\0')
Emil Tantilov675ad472010-04-27 14:02:58 +0000217 e_dev_info("%s\n", ent->str);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218 return 0;
219 }
220 }
221 }
222 break;
223 default:
224 BUG();
225 }
226
Emil Tantilov675ad472010-04-27 14:02:58 +0000227 e_dev_info("Invalid %s value specified (%i) %s\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228 opt->name, *value, opt->err);
229 *value = opt->def;
230 return -1;
231}
232
233static void e1000_check_fiber_options(struct e1000_adapter *adapter);
234static void e1000_check_copper_options(struct e1000_adapter *adapter);
235
236/**
237 * e1000_check_options - Range Checking for Command Line Parameters
238 * @adapter: board private structure
239 *
240 * This routine checks all command line parameters for valid user
241 * input. If an invalid value is given, or if no user specified
242 * value exists, a default value is used. The final value is stored
243 * in a variable in the adapter structure.
244 **/
Bill Pemberton9f9a12f2012-12-03 09:24:25 -0500245void e1000_check_options(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246{
Linus Torvalds16ecf852008-08-27 01:14:46 -0700247 struct e1000_option opt;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248 int bd = adapter->bd_number;
Linus Torvalds16ecf852008-08-27 01:14:46 -0700249
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800250 if (bd >= E1000_MAX_NIC) {
Emil Tantilov675ad472010-04-27 14:02:58 +0000251 e_dev_warn("Warning: no configuration for board #%i "
252 "using defaults for all values\n", bd);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253 }
254
255 { /* Transmit Descriptor Count */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700256 struct e1000_tx_ring *tx_ring = adapter->tx_ring;
257 int i;
258 e1000_mac_type mac_type = adapter->hw.mac_type;
259
260 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261 .type = range_option,
262 .name = "Transmit Descriptors",
263 .err = "using default of "
264 __MODULE_STRING(E1000_DEFAULT_TXD),
265 .def = E1000_DEFAULT_TXD,
Linus Torvalds16ecf852008-08-27 01:14:46 -0700266 .arg = { .r = {
267 .min = E1000_MIN_TXD,
268 .max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD
269 }}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271
Auke Kok1db27402006-08-28 14:56:32 -0700272 if (num_TxDescriptors > bd) {
273 tx_ring->count = TxDescriptors[bd];
274 e1000_validate_option(&tx_ring->count, &opt, adapter);
Milind Arun Choudhary9099cfb2007-04-27 13:55:29 -0700275 tx_ring->count = ALIGN(tx_ring->count,
Auke Kok1db27402006-08-28 14:56:32 -0700276 REQ_TX_DESCRIPTOR_MULTIPLE);
277 } else {
278 tx_ring->count = opt.def;
279 }
Jeff Kirsherf56799e2006-01-12 16:50:39 -0800280 for (i = 0; i < adapter->num_tx_queues; i++)
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400281 tx_ring[i].count = tx_ring->count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282 }
283 { /* Receive Descriptor Count */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700284 struct e1000_rx_ring *rx_ring = adapter->rx_ring;
285 int i;
286 e1000_mac_type mac_type = adapter->hw.mac_type;
287
288 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289 .type = range_option,
290 .name = "Receive Descriptors",
291 .err = "using default of "
292 __MODULE_STRING(E1000_DEFAULT_RXD),
293 .def = E1000_DEFAULT_RXD,
Linus Torvalds16ecf852008-08-27 01:14:46 -0700294 .arg = { .r = {
295 .min = E1000_MIN_RXD,
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000296 .max = mac_type < e1000_82544 ? E1000_MAX_RXD :
297 E1000_MAX_82544_RXD
Linus Torvalds16ecf852008-08-27 01:14:46 -0700298 }}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700299 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300
Auke Kok1db27402006-08-28 14:56:32 -0700301 if (num_RxDescriptors > bd) {
302 rx_ring->count = RxDescriptors[bd];
303 e1000_validate_option(&rx_ring->count, &opt, adapter);
Milind Arun Choudhary9099cfb2007-04-27 13:55:29 -0700304 rx_ring->count = ALIGN(rx_ring->count,
Auke Kok1db27402006-08-28 14:56:32 -0700305 REQ_RX_DESCRIPTOR_MULTIPLE);
306 } else {
307 rx_ring->count = opt.def;
308 }
Jeff Kirsherf56799e2006-01-12 16:50:39 -0800309 for (i = 0; i < adapter->num_rx_queues; i++)
Mallikarjuna R Chilakala581d7082005-10-04 07:01:55 -0400310 rx_ring[i].count = rx_ring->count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700311 }
312 { /* Checksum Offload Enable/Disable */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700313 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314 .type = enable_option,
315 .name = "Checksum Offload",
316 .err = "defaulting to Enabled",
317 .def = OPTION_ENABLED
318 };
319
Auke Kok1db27402006-08-28 14:56:32 -0700320 if (num_XsumRX > bd) {
Stephen Hemmingerabec42a2007-10-29 10:46:19 -0700321 unsigned int rx_csum = XsumRX[bd];
Auke Kok1db27402006-08-28 14:56:32 -0700322 e1000_validate_option(&rx_csum, &opt, adapter);
323 adapter->rx_csum = rx_csum;
324 } else {
325 adapter->rx_csum = opt.def;
326 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327 }
328 { /* Flow Control */
329
Jeff Kirsher66744502010-12-01 19:59:50 +0000330 static const struct e1000_opt_list fc_list[] = {
331 { E1000_FC_NONE, "Flow Control Disabled" },
332 { E1000_FC_RX_PAUSE, "Flow Control Receive Only" },
333 { E1000_FC_TX_PAUSE, "Flow Control Transmit Only" },
334 { E1000_FC_FULL, "Flow Control Enabled" },
335 { E1000_FC_DEFAULT, "Flow Control Hardware Default" }
336 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337
Linus Torvalds16ecf852008-08-27 01:14:46 -0700338 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339 .type = list_option,
340 .name = "Flow Control",
341 .err = "reading default settings from EEPROM",
Jeff Kirsher11241b12006-09-27 12:53:28 -0700342 .def = E1000_FC_DEFAULT,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700343 .arg = { .l = { .nr = ARRAY_SIZE(fc_list),
344 .p = fc_list }}
345 };
346
Auke Kok1db27402006-08-28 14:56:32 -0700347 if (num_FlowControl > bd) {
Stephen Hemmingerabec42a2007-10-29 10:46:19 -0700348 unsigned int fc = FlowControl[bd];
Auke Kok1db27402006-08-28 14:56:32 -0700349 e1000_validate_option(&fc, &opt, adapter);
350 adapter->hw.fc = adapter->hw.original_fc = fc;
351 } else {
352 adapter->hw.fc = adapter->hw.original_fc = opt.def;
353 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354 }
355 { /* Transmit Interrupt Delay */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700356 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700357 .type = range_option,
358 .name = "Transmit Interrupt Delay",
359 .err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
360 .def = DEFAULT_TIDV,
361 .arg = { .r = { .min = MIN_TXDELAY,
362 .max = MAX_TXDELAY }}
363 };
364
Auke Kok1db27402006-08-28 14:56:32 -0700365 if (num_TxIntDelay > bd) {
366 adapter->tx_int_delay = TxIntDelay[bd];
367 e1000_validate_option(&adapter->tx_int_delay, &opt,
368 adapter);
369 } else {
370 adapter->tx_int_delay = opt.def;
371 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700372 }
373 { /* Transmit Absolute Interrupt Delay */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700374 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375 .type = range_option,
376 .name = "Transmit Absolute Interrupt Delay",
377 .err = "using default of " __MODULE_STRING(DEFAULT_TADV),
378 .def = DEFAULT_TADV,
379 .arg = { .r = { .min = MIN_TXABSDELAY,
380 .max = MAX_TXABSDELAY }}
381 };
382
Auke Kok1db27402006-08-28 14:56:32 -0700383 if (num_TxAbsIntDelay > bd) {
384 adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
385 e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000386 adapter);
Auke Kok1db27402006-08-28 14:56:32 -0700387 } else {
388 adapter->tx_abs_int_delay = opt.def;
389 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390 }
391 { /* Receive Interrupt Delay */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700392 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393 .type = range_option,
394 .name = "Receive Interrupt Delay",
395 .err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
396 .def = DEFAULT_RDTR,
397 .arg = { .r = { .min = MIN_RXDELAY,
398 .max = MAX_RXDELAY }}
399 };
400
Auke Kok1db27402006-08-28 14:56:32 -0700401 if (num_RxIntDelay > bd) {
402 adapter->rx_int_delay = RxIntDelay[bd];
403 e1000_validate_option(&adapter->rx_int_delay, &opt,
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000404 adapter);
Auke Kok1db27402006-08-28 14:56:32 -0700405 } else {
406 adapter->rx_int_delay = opt.def;
407 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700408 }
409 { /* Receive Absolute Interrupt Delay */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700410 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700411 .type = range_option,
412 .name = "Receive Absolute Interrupt Delay",
413 .err = "using default of " __MODULE_STRING(DEFAULT_RADV),
414 .def = DEFAULT_RADV,
415 .arg = { .r = { .min = MIN_RXABSDELAY,
416 .max = MAX_RXABSDELAY }}
417 };
418
Auke Kok1db27402006-08-28 14:56:32 -0700419 if (num_RxAbsIntDelay > bd) {
420 adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
421 e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000422 adapter);
Auke Kok1db27402006-08-28 14:56:32 -0700423 } else {
424 adapter->rx_abs_int_delay = opt.def;
425 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426 }
427 { /* Interrupt Throttling Rate */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700428 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700429 .type = range_option,
430 .name = "Interrupt Throttling Rate (ints/sec)",
431 .err = "using default of " __MODULE_STRING(DEFAULT_ITR),
432 .def = DEFAULT_ITR,
433 .arg = { .r = { .min = MIN_ITR,
434 .max = MAX_ITR }}
435 };
436
Auke Kok1db27402006-08-28 14:56:32 -0700437 if (num_InterruptThrottleRate > bd) {
438 adapter->itr = InterruptThrottleRate[bd];
439 switch (adapter->itr) {
440 case 0:
Emil Tantilov675ad472010-04-27 14:02:58 +0000441 e_dev_info("%s turned off\n", opt.name);
Auke Kok1db27402006-08-28 14:56:32 -0700442 break;
443 case 1:
Emil Tantilov675ad472010-04-27 14:02:58 +0000444 e_dev_info("%s set to dynamic mode\n",
445 opt.name);
Jesse Brandeburg835bb122006-11-01 08:48:13 -0800446 adapter->itr_setting = adapter->itr;
447 adapter->itr = 20000;
448 break;
449 case 3:
Emil Tantilov675ad472010-04-27 14:02:58 +0000450 e_dev_info("%s set to dynamic conservative "
451 "mode\n", opt.name);
Jesse Brandeburg835bb122006-11-01 08:48:13 -0800452 adapter->itr_setting = adapter->itr;
453 adapter->itr = 20000;
Auke Kok1db27402006-08-28 14:56:32 -0700454 break;
Jesse Brandeburgeab2abf2010-05-04 22:26:03 +0000455 case 4:
456 e_dev_info("%s set to simplified "
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000457 "(2000-8000) ints mode\n", opt.name);
Jesse Brandeburgeab2abf2010-05-04 22:26:03 +0000458 adapter->itr_setting = adapter->itr;
459 break;
Auke Kok1db27402006-08-28 14:56:32 -0700460 default:
461 e1000_validate_option(&adapter->itr, &opt,
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000462 adapter);
Jesse Brandeburgeab2abf2010-05-04 22:26:03 +0000463 /* save the setting, because the dynamic bits
464 * change itr.
465 * clear the lower two bits because they are
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000466 * used as control
467 */
Jesse Brandeburg7d16e652006-12-15 10:29:31 +0100468 adapter->itr_setting = adapter->itr & ~3;
Auke Kok1db27402006-08-28 14:56:32 -0700469 break;
470 }
471 } else {
Jesse Brandeburg835bb122006-11-01 08:48:13 -0800472 adapter->itr_setting = opt.def;
473 adapter->itr = 20000;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474 }
475 }
Auke Kok9a53a202006-06-27 09:06:45 -0700476 { /* Smart Power Down */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700477 opt = (struct e1000_option) {
Auke Kok9a53a202006-06-27 09:06:45 -0700478 .type = enable_option,
479 .name = "PHY Smart Power Down",
480 .err = "defaulting to Disabled",
481 .def = OPTION_DISABLED
482 };
483
Auke Kok1db27402006-08-28 14:56:32 -0700484 if (num_SmartPowerDownEnable > bd) {
Stephen Hemmingerabec42a2007-10-29 10:46:19 -0700485 unsigned int spd = SmartPowerDownEnable[bd];
Auke Kok1db27402006-08-28 14:56:32 -0700486 e1000_validate_option(&spd, &opt, adapter);
487 adapter->smart_power_down = spd;
488 } else {
489 adapter->smart_power_down = opt.def;
490 }
Auke Kok9a53a202006-06-27 09:06:45 -0700491 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700492
Jesse Brandeburg96838a42006-01-18 13:01:39 -0800493 switch (adapter->hw.media_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700494 case e1000_media_type_fiber:
495 case e1000_media_type_internal_serdes:
496 e1000_check_fiber_options(adapter);
497 break;
498 case e1000_media_type_copper:
499 e1000_check_copper_options(adapter);
500 break;
501 default:
502 BUG();
503 }
504}
505
506/**
507 * e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
508 * @adapter: board private structure
509 *
510 * Handles speed and duplex options on fiber adapters
511 **/
Bill Pemberton9f9a12f2012-12-03 09:24:25 -0500512static void e1000_check_fiber_options(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513{
514 int bd = adapter->bd_number;
Auke Kok1db27402006-08-28 14:56:32 -0700515 if (num_Speed > bd) {
Emil Tantilov675ad472010-04-27 14:02:58 +0000516 e_dev_info("Speed not valid for fiber adapters, parameter "
517 "ignored\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518 }
519
Auke Kok1db27402006-08-28 14:56:32 -0700520 if (num_Duplex > bd) {
Emil Tantilov675ad472010-04-27 14:02:58 +0000521 e_dev_info("Duplex not valid for fiber adapters, parameter "
522 "ignored\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700523 }
524
Auke Kok1db27402006-08-28 14:56:32 -0700525 if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
Emil Tantilov675ad472010-04-27 14:02:58 +0000526 e_dev_info("AutoNeg other than 1000/Full is not valid for fiber"
527 "adapters, parameter ignored\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700528 }
529}
530
531/**
532 * e1000_check_copper_options - Range Checking for Link Options, Copper Version
533 * @adapter: board private structure
534 *
535 * Handles speed and duplex options on copper adapters
536 **/
Bill Pemberton9f9a12f2012-12-03 09:24:25 -0500537static void e1000_check_copper_options(struct e1000_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538{
Linus Torvalds16ecf852008-08-27 01:14:46 -0700539 struct e1000_option opt;
Stephen Hemmingerabec42a2007-10-29 10:46:19 -0700540 unsigned int speed, dplx, an;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541 int bd = adapter->bd_number;
542
543 { /* Speed */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700544 static const struct e1000_opt_list speed_list[] = {
545 { 0, "" },
546 { SPEED_10, "" },
547 { SPEED_100, "" },
548 { SPEED_1000, "" }};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549
Linus Torvalds16ecf852008-08-27 01:14:46 -0700550 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700551 .type = list_option,
552 .name = "Speed",
553 .err = "parameter ignored",
554 .def = 0,
555 .arg = { .l = { .nr = ARRAY_SIZE(speed_list),
556 .p = speed_list }}
557 };
558
Auke Kok1db27402006-08-28 14:56:32 -0700559 if (num_Speed > bd) {
560 speed = Speed[bd];
561 e1000_validate_option(&speed, &opt, adapter);
562 } else {
563 speed = opt.def;
564 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700565 }
566 { /* Duplex */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700567 static const struct e1000_opt_list dplx_list[] = {
568 { 0, "" },
569 { HALF_DUPLEX, "" },
570 { FULL_DUPLEX, "" }};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700571
Linus Torvalds16ecf852008-08-27 01:14:46 -0700572 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700573 .type = list_option,
574 .name = "Duplex",
575 .err = "parameter ignored",
576 .def = 0,
577 .arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
578 .p = dplx_list }}
579 };
580
Auke Kok1db27402006-08-28 14:56:32 -0700581 if (num_Duplex > bd) {
582 dplx = Duplex[bd];
583 e1000_validate_option(&dplx, &opt, adapter);
584 } else {
585 dplx = opt.def;
586 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700587 }
588
Auke Kok1db27402006-08-28 14:56:32 -0700589 if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
Emil Tantilov675ad472010-04-27 14:02:58 +0000590 e_dev_info("AutoNeg specified along with Speed or Duplex, "
591 "parameter ignored\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700592 adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
593 } else { /* Autoneg */
Linus Torvalds16ecf852008-08-27 01:14:46 -0700594 static const struct e1000_opt_list an_list[] =
Linus Torvalds1da177e2005-04-16 15:20:36 -0700595 #define AA "AutoNeg advertising "
596 {{ 0x01, AA "10/HD" },
597 { 0x02, AA "10/FD" },
598 { 0x03, AA "10/FD, 10/HD" },
599 { 0x04, AA "100/HD" },
600 { 0x05, AA "100/HD, 10/HD" },
601 { 0x06, AA "100/HD, 10/FD" },
602 { 0x07, AA "100/HD, 10/FD, 10/HD" },
603 { 0x08, AA "100/FD" },
604 { 0x09, AA "100/FD, 10/HD" },
605 { 0x0a, AA "100/FD, 10/FD" },
606 { 0x0b, AA "100/FD, 10/FD, 10/HD" },
607 { 0x0c, AA "100/FD, 100/HD" },
608 { 0x0d, AA "100/FD, 100/HD, 10/HD" },
609 { 0x0e, AA "100/FD, 100/HD, 10/FD" },
610 { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
611 { 0x20, AA "1000/FD" },
612 { 0x21, AA "1000/FD, 10/HD" },
613 { 0x22, AA "1000/FD, 10/FD" },
614 { 0x23, AA "1000/FD, 10/FD, 10/HD" },
615 { 0x24, AA "1000/FD, 100/HD" },
616 { 0x25, AA "1000/FD, 100/HD, 10/HD" },
617 { 0x26, AA "1000/FD, 100/HD, 10/FD" },
618 { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
619 { 0x28, AA "1000/FD, 100/FD" },
620 { 0x29, AA "1000/FD, 100/FD, 10/HD" },
621 { 0x2a, AA "1000/FD, 100/FD, 10/FD" },
622 { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
623 { 0x2c, AA "1000/FD, 100/FD, 100/HD" },
624 { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
625 { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
626 { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
627
Linus Torvalds16ecf852008-08-27 01:14:46 -0700628 opt = (struct e1000_option) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700629 .type = list_option,
630 .name = "AutoNeg",
631 .err = "parameter ignored",
632 .def = AUTONEG_ADV_DEFAULT,
633 .arg = { .l = { .nr = ARRAY_SIZE(an_list),
634 .p = an_list }}
635 };
636
Auke Kok1db27402006-08-28 14:56:32 -0700637 if (num_AutoNeg > bd) {
638 an = AutoNeg[bd];
639 e1000_validate_option(&an, &opt, adapter);
640 } else {
641 an = opt.def;
642 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643 adapter->hw.autoneg_advertised = an;
644 }
645
646 switch (speed + dplx) {
647 case 0:
648 adapter->hw.autoneg = adapter->fc_autoneg = 1;
Auke Kok1db27402006-08-28 14:56:32 -0700649 if ((num_Speed > bd) && (speed != 0 || dplx != 0))
Emil Tantilov675ad472010-04-27 14:02:58 +0000650 e_dev_info("Speed and duplex autonegotiation "
651 "enabled\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700652 break;
653 case HALF_DUPLEX:
Emil Tantilov675ad472010-04-27 14:02:58 +0000654 e_dev_info("Half Duplex specified without Speed\n");
655 e_dev_info("Using Autonegotiation at Half Duplex only\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700656 adapter->hw.autoneg = adapter->fc_autoneg = 1;
657 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000658 ADVERTISE_100_HALF;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700659 break;
660 case FULL_DUPLEX:
Emil Tantilov675ad472010-04-27 14:02:58 +0000661 e_dev_info("Full Duplex specified without Speed\n");
662 e_dev_info("Using Autonegotiation at Full Duplex only\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700663 adapter->hw.autoneg = adapter->fc_autoneg = 1;
664 adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000665 ADVERTISE_100_FULL |
666 ADVERTISE_1000_FULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667 break;
668 case SPEED_10:
Emil Tantilov675ad472010-04-27 14:02:58 +0000669 e_dev_info("10 Mbps Speed specified without Duplex\n");
670 e_dev_info("Using Autonegotiation at 10 Mbps only\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700671 adapter->hw.autoneg = adapter->fc_autoneg = 1;
672 adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000673 ADVERTISE_10_FULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700674 break;
675 case SPEED_10 + HALF_DUPLEX:
Emil Tantilov675ad472010-04-27 14:02:58 +0000676 e_dev_info("Forcing to 10 Mbps Half Duplex\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700677 adapter->hw.autoneg = adapter->fc_autoneg = 0;
678 adapter->hw.forced_speed_duplex = e1000_10_half;
679 adapter->hw.autoneg_advertised = 0;
680 break;
681 case SPEED_10 + FULL_DUPLEX:
Emil Tantilov675ad472010-04-27 14:02:58 +0000682 e_dev_info("Forcing to 10 Mbps Full Duplex\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700683 adapter->hw.autoneg = adapter->fc_autoneg = 0;
684 adapter->hw.forced_speed_duplex = e1000_10_full;
685 adapter->hw.autoneg_advertised = 0;
686 break;
687 case SPEED_100:
Emil Tantilov675ad472010-04-27 14:02:58 +0000688 e_dev_info("100 Mbps Speed specified without Duplex\n");
689 e_dev_info("Using Autonegotiation at 100 Mbps only\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690 adapter->hw.autoneg = adapter->fc_autoneg = 1;
691 adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
Jeff Kirsher6cfbd972013-02-09 12:49:21 +0000692 ADVERTISE_100_FULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700693 break;
694 case SPEED_100 + HALF_DUPLEX:
Emil Tantilov675ad472010-04-27 14:02:58 +0000695 e_dev_info("Forcing to 100 Mbps Half Duplex\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700696 adapter->hw.autoneg = adapter->fc_autoneg = 0;
697 adapter->hw.forced_speed_duplex = e1000_100_half;
698 adapter->hw.autoneg_advertised = 0;
699 break;
700 case SPEED_100 + FULL_DUPLEX:
Emil Tantilov675ad472010-04-27 14:02:58 +0000701 e_dev_info("Forcing to 100 Mbps Full Duplex\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700702 adapter->hw.autoneg = adapter->fc_autoneg = 0;
703 adapter->hw.forced_speed_duplex = e1000_100_full;
704 adapter->hw.autoneg_advertised = 0;
705 break;
706 case SPEED_1000:
Emil Tantilov675ad472010-04-27 14:02:58 +0000707 e_dev_info("1000 Mbps Speed specified without Duplex\n");
Jesse Brandeburg9990fa32007-01-18 09:25:15 -0800708 goto full_duplex_only;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700709 case SPEED_1000 + HALF_DUPLEX:
Emil Tantilov675ad472010-04-27 14:02:58 +0000710 e_dev_info("Half Duplex is not supported at 1000 Mbps\n");
Jeff Kirsher5463fce62020-06-03 20:07:26 -0700711 fallthrough;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700712 case SPEED_1000 + FULL_DUPLEX:
Jesse Brandeburg9990fa32007-01-18 09:25:15 -0800713full_duplex_only:
Emil Tantilov675ad472010-04-27 14:02:58 +0000714 e_dev_info("Using Autonegotiation at 1000 Mbps Full Duplex "
715 "only\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700716 adapter->hw.autoneg = adapter->fc_autoneg = 1;
717 adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
718 break;
719 default:
720 BUG();
721 }
722
723 /* Speed, AutoNeg and MDI/MDI-X must all play nice */
724 if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
Emil Tantilov675ad472010-04-27 14:02:58 +0000725 e_dev_info("Speed, AutoNeg and MDI-X specs are incompatible. "
726 "Setting MDI-X to a compatible value.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700727 }
728}
729