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77555ee7 MO |
1 | /* |
2 | * Copyright (C) 1999 - 2010 Intel Corporation. | |
3 | * Copyright (C) 2010 OKI SEMICONDUCTOR Co., LTD. | |
4 | * | |
5 | * This code was derived from the Intel e1000e Linux driver. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; version 2 of the License. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
0ab75ae8 | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
77555ee7 MO |
18 | */ |
19 | ||
20 | #include "pch_gbe.h" | |
5e773fdc | 21 | #include <linux/module.h> /* for __MODULE_STRING */ |
77555ee7 MO |
22 | |
23 | #define OPTION_UNSET -1 | |
24 | #define OPTION_DISABLED 0 | |
25 | #define OPTION_ENABLED 1 | |
26 | ||
27 | /** | |
28 | * TxDescriptors - Transmit Descriptor Count | |
29 | * @Valid Range: PCH_GBE_MIN_TXD - PCH_GBE_MAX_TXD | |
30 | * @Default Value: PCH_GBE_DEFAULT_TXD | |
31 | */ | |
32 | static int TxDescriptors = OPTION_UNSET; | |
33 | module_param(TxDescriptors, int, 0); | |
34 | MODULE_PARM_DESC(TxDescriptors, "Number of transmit descriptors"); | |
35 | ||
36 | /** | |
37 | * RxDescriptors -Receive Descriptor Count | |
38 | * @Valid Range: PCH_GBE_MIN_RXD - PCH_GBE_MAX_RXD | |
39 | * @Default Value: PCH_GBE_DEFAULT_RXD | |
40 | */ | |
41 | static int RxDescriptors = OPTION_UNSET; | |
42 | module_param(RxDescriptors, int, 0); | |
43 | MODULE_PARM_DESC(RxDescriptors, "Number of receive descriptors"); | |
44 | ||
45 | /** | |
46 | * Speed - User Specified Speed Override | |
47 | * @Valid Range: 0, 10, 100, 1000 | |
48 | * - 0: auto-negotiate at all supported speeds | |
49 | * - 10: only link at 10 Mbps | |
50 | * - 100: only link at 100 Mbps | |
51 | * - 1000: only link at 1000 Mbps | |
52 | * @Default Value: 0 | |
53 | */ | |
54 | static int Speed = OPTION_UNSET; | |
55 | module_param(Speed, int, 0); | |
56 | MODULE_PARM_DESC(Speed, "Speed setting"); | |
57 | ||
58 | /** | |
59 | * Duplex - User Specified Duplex Override | |
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 | * @Default Value: 0 | |
65 | */ | |
66 | static int Duplex = OPTION_UNSET; | |
67 | module_param(Duplex, int, 0); | |
68 | MODULE_PARM_DESC(Duplex, "Duplex setting"); | |
69 | ||
70 | #define HALF_DUPLEX 1 | |
71 | #define FULL_DUPLEX 2 | |
72 | ||
73 | /** | |
74 | * AutoNeg - Auto-negotiation Advertisement Override | |
75 | * @Valid Range: 0x01-0x0F, 0x20-0x2F | |
76 | * | |
77 | * The AutoNeg value is a bit mask describing which speed and duplex | |
78 | * combinations should be advertised during auto-negotiation. | |
79 | * The supported speed and duplex modes are listed below | |
80 | * | |
81 | * Bit 7 6 5 4 3 2 1 0 | |
82 | * Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10 | |
83 | * Duplex Full Full Half Full Half | |
84 | * | |
85 | * @Default Value: 0x2F (copper) | |
86 | */ | |
87 | static int AutoNeg = OPTION_UNSET; | |
88 | module_param(AutoNeg, int, 0); | |
89 | MODULE_PARM_DESC(AutoNeg, "Advertised auto-negotiation setting"); | |
90 | ||
91 | #define PHY_ADVERTISE_10_HALF 0x0001 | |
92 | #define PHY_ADVERTISE_10_FULL 0x0002 | |
93 | #define PHY_ADVERTISE_100_HALF 0x0004 | |
94 | #define PHY_ADVERTISE_100_FULL 0x0008 | |
95 | #define PHY_ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */ | |
96 | #define PHY_ADVERTISE_1000_FULL 0x0020 | |
97 | #define PCH_AUTONEG_ADVERTISE_DEFAULT 0x2F | |
98 | ||
99 | /** | |
100 | * FlowControl - User Specified Flow Control Override | |
101 | * @Valid Range: 0-3 | |
102 | * - 0: No Flow Control | |
103 | * - 1: Rx only, respond to PAUSE frames but do not generate them | |
104 | * - 2: Tx only, generate PAUSE frames but ignore them on receive | |
105 | * - 3: Full Flow Control Support | |
106 | * @Default Value: Read flow control settings from the EEPROM | |
107 | */ | |
108 | static int FlowControl = OPTION_UNSET; | |
109 | module_param(FlowControl, int, 0); | |
110 | MODULE_PARM_DESC(FlowControl, "Flow Control setting"); | |
111 | ||
112 | /* | |
113 | * XsumRX - Receive Checksum Offload Enable/Disable | |
114 | * @Valid Range: 0, 1 | |
115 | * - 0: disables all checksum offload | |
116 | * - 1: enables receive IP/TCP/UDP checksum offload | |
117 | * @Default Value: PCH_GBE_DEFAULT_RX_CSUM | |
118 | */ | |
119 | static int XsumRX = OPTION_UNSET; | |
120 | module_param(XsumRX, int, 0); | |
121 | MODULE_PARM_DESC(XsumRX, "Disable or enable Receive Checksum offload"); | |
122 | ||
123 | #define PCH_GBE_DEFAULT_RX_CSUM true /* trueorfalse */ | |
124 | ||
125 | /* | |
126 | * XsumTX - Transmit Checksum Offload Enable/Disable | |
127 | * @Valid Range: 0, 1 | |
128 | * - 0: disables all checksum offload | |
129 | * - 1: enables transmit IP/TCP/UDP checksum offload | |
130 | * @Default Value: PCH_GBE_DEFAULT_TX_CSUM | |
131 | */ | |
132 | static int XsumTX = OPTION_UNSET; | |
133 | module_param(XsumTX, int, 0); | |
134 | MODULE_PARM_DESC(XsumTX, "Disable or enable Transmit Checksum offload"); | |
135 | ||
136 | #define PCH_GBE_DEFAULT_TX_CSUM true /* trueorfalse */ | |
137 | ||
138 | /** | |
139 | * pch_gbe_option - Force the MAC's flow control settings | |
140 | * @hw: Pointer to the HW structure | |
49ce9c2c | 141 | * Returns: |
77555ee7 MO |
142 | * 0: Successful. |
143 | * Negative value: Failed. | |
144 | */ | |
145 | struct pch_gbe_option { | |
146 | enum { enable_option, range_option, list_option } type; | |
147 | char *name; | |
148 | char *err; | |
149 | int def; | |
150 | union { | |
151 | struct { /* range_option info */ | |
152 | int min; | |
153 | int max; | |
154 | } r; | |
155 | struct { /* list_option info */ | |
156 | int nr; | |
157 | const struct pch_gbe_opt_list { int i; char *str; } *p; | |
158 | } l; | |
159 | } arg; | |
160 | }; | |
161 | ||
162 | static const struct pch_gbe_opt_list speed_list[] = { | |
163 | { 0, "" }, | |
164 | { SPEED_10, "" }, | |
165 | { SPEED_100, "" }, | |
166 | { SPEED_1000, "" } | |
167 | }; | |
168 | ||
169 | static const struct pch_gbe_opt_list dplx_list[] = { | |
170 | { 0, "" }, | |
171 | { HALF_DUPLEX, "" }, | |
172 | { FULL_DUPLEX, "" } | |
173 | }; | |
174 | ||
175 | static const struct pch_gbe_opt_list an_list[] = | |
176 | #define AA "AutoNeg advertising " | |
177 | {{ 0x01, AA "10/HD" }, | |
178 | { 0x02, AA "10/FD" }, | |
179 | { 0x03, AA "10/FD, 10/HD" }, | |
180 | { 0x04, AA "100/HD" }, | |
181 | { 0x05, AA "100/HD, 10/HD" }, | |
182 | { 0x06, AA "100/HD, 10/FD" }, | |
183 | { 0x07, AA "100/HD, 10/FD, 10/HD" }, | |
184 | { 0x08, AA "100/FD" }, | |
185 | { 0x09, AA "100/FD, 10/HD" }, | |
186 | { 0x0a, AA "100/FD, 10/FD" }, | |
187 | { 0x0b, AA "100/FD, 10/FD, 10/HD" }, | |
188 | { 0x0c, AA "100/FD, 100/HD" }, | |
189 | { 0x0d, AA "100/FD, 100/HD, 10/HD" }, | |
190 | { 0x0e, AA "100/FD, 100/HD, 10/FD" }, | |
191 | { 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" }, | |
192 | { 0x20, AA "1000/FD" }, | |
193 | { 0x21, AA "1000/FD, 10/HD" }, | |
194 | { 0x22, AA "1000/FD, 10/FD" }, | |
195 | { 0x23, AA "1000/FD, 10/FD, 10/HD" }, | |
196 | { 0x24, AA "1000/FD, 100/HD" }, | |
197 | { 0x25, AA "1000/FD, 100/HD, 10/HD" }, | |
198 | { 0x26, AA "1000/FD, 100/HD, 10/FD" }, | |
199 | { 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" }, | |
200 | { 0x28, AA "1000/FD, 100/FD" }, | |
201 | { 0x29, AA "1000/FD, 100/FD, 10/HD" }, | |
202 | { 0x2a, AA "1000/FD, 100/FD, 10/FD" }, | |
203 | { 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" }, | |
204 | { 0x2c, AA "1000/FD, 100/FD, 100/HD" }, | |
205 | { 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" }, | |
206 | { 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" }, | |
207 | { 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" } | |
208 | }; | |
209 | ||
210 | static const struct pch_gbe_opt_list fc_list[] = { | |
211 | { PCH_GBE_FC_NONE, "Flow Control Disabled" }, | |
212 | { PCH_GBE_FC_RX_PAUSE, "Flow Control Receive Only" }, | |
213 | { PCH_GBE_FC_TX_PAUSE, "Flow Control Transmit Only" }, | |
214 | { PCH_GBE_FC_FULL, "Flow Control Enabled" } | |
215 | }; | |
216 | ||
217 | /** | |
218 | * pch_gbe_validate_option - Validate option | |
219 | * @value: value | |
220 | * @opt: option | |
221 | * @adapter: Board private structure | |
49ce9c2c | 222 | * Returns: |
77555ee7 MO |
223 | * 0: Successful. |
224 | * Negative value: Failed. | |
225 | */ | |
226 | static int pch_gbe_validate_option(int *value, | |
227 | const struct pch_gbe_option *opt, | |
228 | struct pch_gbe_adapter *adapter) | |
229 | { | |
230 | if (*value == OPTION_UNSET) { | |
231 | *value = opt->def; | |
232 | return 0; | |
233 | } | |
234 | ||
235 | switch (opt->type) { | |
236 | case enable_option: | |
237 | switch (*value) { | |
238 | case OPTION_ENABLED: | |
453ca931 | 239 | netdev_dbg(adapter->netdev, "%s Enabled\n", opt->name); |
77555ee7 MO |
240 | return 0; |
241 | case OPTION_DISABLED: | |
453ca931 | 242 | netdev_dbg(adapter->netdev, "%s Disabled\n", opt->name); |
77555ee7 MO |
243 | return 0; |
244 | } | |
245 | break; | |
246 | case range_option: | |
247 | if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { | |
453ca931 AS |
248 | netdev_dbg(adapter->netdev, "%s set to %i\n", |
249 | opt->name, *value); | |
77555ee7 MO |
250 | return 0; |
251 | } | |
252 | break; | |
253 | case list_option: { | |
254 | int i; | |
255 | const struct pch_gbe_opt_list *ent; | |
256 | ||
257 | for (i = 0; i < opt->arg.l.nr; i++) { | |
258 | ent = &opt->arg.l.p[i]; | |
259 | if (*value == ent->i) { | |
260 | if (ent->str[0] != '\0') | |
453ca931 AS |
261 | netdev_dbg(adapter->netdev, "%s\n", |
262 | ent->str); | |
77555ee7 MO |
263 | return 0; |
264 | } | |
265 | } | |
266 | } | |
267 | break; | |
268 | default: | |
269 | BUG(); | |
270 | } | |
271 | ||
453ca931 AS |
272 | netdev_dbg(adapter->netdev, "Invalid %s value specified (%i) %s\n", |
273 | opt->name, *value, opt->err); | |
77555ee7 MO |
274 | *value = opt->def; |
275 | return -1; | |
276 | } | |
277 | ||
278 | /** | |
279 | * pch_gbe_check_copper_options - Range Checking for Link Options, Copper Version | |
280 | * @adapter: Board private structure | |
281 | */ | |
282 | static void pch_gbe_check_copper_options(struct pch_gbe_adapter *adapter) | |
283 | { | |
284 | struct pch_gbe_hw *hw = &adapter->hw; | |
285 | int speed, dplx; | |
286 | ||
287 | { /* Speed */ | |
288 | static const struct pch_gbe_option opt = { | |
289 | .type = list_option, | |
290 | .name = "Speed", | |
291 | .err = "parameter ignored", | |
292 | .def = 0, | |
293 | .arg = { .l = { .nr = (int)ARRAY_SIZE(speed_list), | |
294 | .p = speed_list } } | |
295 | }; | |
296 | speed = Speed; | |
297 | pch_gbe_validate_option(&speed, &opt, adapter); | |
298 | } | |
299 | { /* Duplex */ | |
300 | static const struct pch_gbe_option opt = { | |
301 | .type = list_option, | |
302 | .name = "Duplex", | |
303 | .err = "parameter ignored", | |
304 | .def = 0, | |
305 | .arg = { .l = { .nr = (int)ARRAY_SIZE(dplx_list), | |
306 | .p = dplx_list } } | |
307 | }; | |
308 | dplx = Duplex; | |
309 | pch_gbe_validate_option(&dplx, &opt, adapter); | |
310 | } | |
311 | ||
312 | { /* Autoneg */ | |
313 | static const struct pch_gbe_option opt = { | |
314 | .type = list_option, | |
315 | .name = "AutoNeg", | |
316 | .err = "parameter ignored", | |
317 | .def = PCH_AUTONEG_ADVERTISE_DEFAULT, | |
318 | .arg = { .l = { .nr = (int)ARRAY_SIZE(an_list), | |
319 | .p = an_list} } | |
320 | }; | |
321 | if (speed || dplx) { | |
453ca931 AS |
322 | netdev_dbg(adapter->netdev, |
323 | "AutoNeg specified along with Speed or Duplex, AutoNeg parameter ignored\n"); | |
77555ee7 MO |
324 | hw->phy.autoneg_advertised = opt.def; |
325 | } else { | |
73f98eab DC |
326 | int tmp = AutoNeg; |
327 | ||
328 | pch_gbe_validate_option(&tmp, &opt, adapter); | |
329 | hw->phy.autoneg_advertised = tmp; | |
77555ee7 MO |
330 | } |
331 | } | |
332 | ||
333 | switch (speed + dplx) { | |
334 | case 0: | |
335 | hw->mac.autoneg = hw->mac.fc_autoneg = 1; | |
336 | if ((speed || dplx)) | |
453ca931 AS |
337 | netdev_dbg(adapter->netdev, |
338 | "Speed and duplex autonegotiation enabled\n"); | |
77555ee7 MO |
339 | hw->mac.link_speed = SPEED_10; |
340 | hw->mac.link_duplex = DUPLEX_HALF; | |
341 | break; | |
342 | case HALF_DUPLEX: | |
453ca931 AS |
343 | netdev_dbg(adapter->netdev, |
344 | "Half Duplex specified without Speed\n"); | |
345 | netdev_dbg(adapter->netdev, | |
346 | "Using Autonegotiation at Half Duplex only\n"); | |
77555ee7 MO |
347 | hw->mac.autoneg = hw->mac.fc_autoneg = 1; |
348 | hw->phy.autoneg_advertised = PHY_ADVERTISE_10_HALF | | |
349 | PHY_ADVERTISE_100_HALF; | |
350 | hw->mac.link_speed = SPEED_10; | |
351 | hw->mac.link_duplex = DUPLEX_HALF; | |
352 | break; | |
353 | case FULL_DUPLEX: | |
453ca931 AS |
354 | netdev_dbg(adapter->netdev, |
355 | "Full Duplex specified without Speed\n"); | |
356 | netdev_dbg(adapter->netdev, | |
357 | "Using Autonegotiation at Full Duplex only\n"); | |
77555ee7 MO |
358 | hw->mac.autoneg = hw->mac.fc_autoneg = 1; |
359 | hw->phy.autoneg_advertised = PHY_ADVERTISE_10_FULL | | |
360 | PHY_ADVERTISE_100_FULL | | |
361 | PHY_ADVERTISE_1000_FULL; | |
362 | hw->mac.link_speed = SPEED_10; | |
363 | hw->mac.link_duplex = DUPLEX_FULL; | |
364 | break; | |
365 | case SPEED_10: | |
453ca931 AS |
366 | netdev_dbg(adapter->netdev, |
367 | "10 Mbps Speed specified without Duplex\n"); | |
368 | netdev_dbg(adapter->netdev, | |
369 | "Using Autonegotiation at 10 Mbps only\n"); | |
77555ee7 MO |
370 | hw->mac.autoneg = hw->mac.fc_autoneg = 1; |
371 | hw->phy.autoneg_advertised = PHY_ADVERTISE_10_HALF | | |
372 | PHY_ADVERTISE_10_FULL; | |
373 | hw->mac.link_speed = SPEED_10; | |
374 | hw->mac.link_duplex = DUPLEX_HALF; | |
375 | break; | |
376 | case SPEED_10 + HALF_DUPLEX: | |
453ca931 | 377 | netdev_dbg(adapter->netdev, "Forcing to 10 Mbps Half Duplex\n"); |
77555ee7 MO |
378 | hw->mac.autoneg = hw->mac.fc_autoneg = 0; |
379 | hw->phy.autoneg_advertised = 0; | |
380 | hw->mac.link_speed = SPEED_10; | |
381 | hw->mac.link_duplex = DUPLEX_HALF; | |
382 | break; | |
383 | case SPEED_10 + FULL_DUPLEX: | |
453ca931 | 384 | netdev_dbg(adapter->netdev, "Forcing to 10 Mbps Full Duplex\n"); |
77555ee7 MO |
385 | hw->mac.autoneg = hw->mac.fc_autoneg = 0; |
386 | hw->phy.autoneg_advertised = 0; | |
387 | hw->mac.link_speed = SPEED_10; | |
388 | hw->mac.link_duplex = DUPLEX_FULL; | |
389 | break; | |
390 | case SPEED_100: | |
453ca931 AS |
391 | netdev_dbg(adapter->netdev, |
392 | "100 Mbps Speed specified without Duplex\n"); | |
393 | netdev_dbg(adapter->netdev, | |
394 | "Using Autonegotiation at 100 Mbps only\n"); | |
77555ee7 MO |
395 | hw->mac.autoneg = hw->mac.fc_autoneg = 1; |
396 | hw->phy.autoneg_advertised = PHY_ADVERTISE_100_HALF | | |
397 | PHY_ADVERTISE_100_FULL; | |
398 | hw->mac.link_speed = SPEED_100; | |
399 | hw->mac.link_duplex = DUPLEX_HALF; | |
400 | break; | |
401 | case SPEED_100 + HALF_DUPLEX: | |
453ca931 AS |
402 | netdev_dbg(adapter->netdev, |
403 | "Forcing to 100 Mbps Half Duplex\n"); | |
77555ee7 MO |
404 | hw->mac.autoneg = hw->mac.fc_autoneg = 0; |
405 | hw->phy.autoneg_advertised = 0; | |
406 | hw->mac.link_speed = SPEED_100; | |
407 | hw->mac.link_duplex = DUPLEX_HALF; | |
408 | break; | |
409 | case SPEED_100 + FULL_DUPLEX: | |
453ca931 AS |
410 | netdev_dbg(adapter->netdev, |
411 | "Forcing to 100 Mbps Full Duplex\n"); | |
77555ee7 MO |
412 | hw->mac.autoneg = hw->mac.fc_autoneg = 0; |
413 | hw->phy.autoneg_advertised = 0; | |
414 | hw->mac.link_speed = SPEED_100; | |
415 | hw->mac.link_duplex = DUPLEX_FULL; | |
416 | break; | |
417 | case SPEED_1000: | |
453ca931 AS |
418 | netdev_dbg(adapter->netdev, |
419 | "1000 Mbps Speed specified without Duplex\n"); | |
77555ee7 MO |
420 | goto full_duplex_only; |
421 | case SPEED_1000 + HALF_DUPLEX: | |
453ca931 AS |
422 | netdev_dbg(adapter->netdev, |
423 | "Half Duplex is not supported at 1000 Mbps\n"); | |
77555ee7 MO |
424 | /* fall through */ |
425 | case SPEED_1000 + FULL_DUPLEX: | |
426 | full_duplex_only: | |
453ca931 AS |
427 | netdev_dbg(adapter->netdev, |
428 | "Using Autonegotiation at 1000 Mbps Full Duplex only\n"); | |
77555ee7 MO |
429 | hw->mac.autoneg = hw->mac.fc_autoneg = 1; |
430 | hw->phy.autoneg_advertised = PHY_ADVERTISE_1000_FULL; | |
431 | hw->mac.link_speed = SPEED_1000; | |
432 | hw->mac.link_duplex = DUPLEX_FULL; | |
433 | break; | |
434 | default: | |
435 | BUG(); | |
436 | } | |
437 | } | |
438 | ||
439 | /** | |
440 | * pch_gbe_check_options - Range Checking for Command Line Parameters | |
441 | * @adapter: Board private structure | |
442 | */ | |
443 | void pch_gbe_check_options(struct pch_gbe_adapter *adapter) | |
444 | { | |
445 | struct pch_gbe_hw *hw = &adapter->hw; | |
756a6b03 MM |
446 | struct net_device *dev = adapter->netdev; |
447 | int val; | |
77555ee7 MO |
448 | |
449 | { /* Transmit Descriptor Count */ | |
450 | static const struct pch_gbe_option opt = { | |
451 | .type = range_option, | |
452 | .name = "Transmit Descriptors", | |
453 | .err = "using default of " | |
454 | __MODULE_STRING(PCH_GBE_DEFAULT_TXD), | |
455 | .def = PCH_GBE_DEFAULT_TXD, | |
50a42053 TO |
456 | .arg = { .r = { .min = PCH_GBE_MIN_TXD, |
457 | .max = PCH_GBE_MAX_TXD } } | |
77555ee7 MO |
458 | }; |
459 | struct pch_gbe_tx_ring *tx_ring = adapter->tx_ring; | |
460 | tx_ring->count = TxDescriptors; | |
461 | pch_gbe_validate_option(&tx_ring->count, &opt, adapter); | |
462 | tx_ring->count = roundup(tx_ring->count, | |
463 | PCH_GBE_TX_DESC_MULTIPLE); | |
464 | } | |
465 | { /* Receive Descriptor Count */ | |
466 | static const struct pch_gbe_option opt = { | |
467 | .type = range_option, | |
468 | .name = "Receive Descriptors", | |
469 | .err = "using default of " | |
470 | __MODULE_STRING(PCH_GBE_DEFAULT_RXD), | |
471 | .def = PCH_GBE_DEFAULT_RXD, | |
50a42053 TO |
472 | .arg = { .r = { .min = PCH_GBE_MIN_RXD, |
473 | .max = PCH_GBE_MAX_RXD } } | |
77555ee7 MO |
474 | }; |
475 | struct pch_gbe_rx_ring *rx_ring = adapter->rx_ring; | |
476 | rx_ring->count = RxDescriptors; | |
477 | pch_gbe_validate_option(&rx_ring->count, &opt, adapter); | |
478 | rx_ring->count = roundup(rx_ring->count, | |
479 | PCH_GBE_RX_DESC_MULTIPLE); | |
480 | } | |
481 | { /* Checksum Offload Enable/Disable */ | |
482 | static const struct pch_gbe_option opt = { | |
483 | .type = enable_option, | |
484 | .name = "Checksum Offload", | |
485 | .err = "defaulting to Enabled", | |
486 | .def = PCH_GBE_DEFAULT_RX_CSUM | |
487 | }; | |
756a6b03 MM |
488 | val = XsumRX; |
489 | pch_gbe_validate_option(&val, &opt, adapter); | |
490 | if (!val) | |
491 | dev->features &= ~NETIF_F_RXCSUM; | |
77555ee7 MO |
492 | } |
493 | { /* Checksum Offload Enable/Disable */ | |
494 | static const struct pch_gbe_option opt = { | |
495 | .type = enable_option, | |
496 | .name = "Checksum Offload", | |
497 | .err = "defaulting to Enabled", | |
498 | .def = PCH_GBE_DEFAULT_TX_CSUM | |
499 | }; | |
756a6b03 MM |
500 | val = XsumTX; |
501 | pch_gbe_validate_option(&val, &opt, adapter); | |
502 | if (!val) | |
503 | dev->features &= ~NETIF_F_ALL_CSUM; | |
77555ee7 MO |
504 | } |
505 | { /* Flow Control */ | |
506 | static const struct pch_gbe_option opt = { | |
507 | .type = list_option, | |
508 | .name = "Flow Control", | |
509 | .err = "reading default settings from EEPROM", | |
510 | .def = PCH_GBE_FC_DEFAULT, | |
511 | .arg = { .l = { .nr = (int)ARRAY_SIZE(fc_list), | |
512 | .p = fc_list } } | |
513 | }; | |
73f98eab DC |
514 | int tmp = FlowControl; |
515 | ||
516 | pch_gbe_validate_option(&tmp, &opt, adapter); | |
517 | hw->mac.fc = tmp; | |
77555ee7 MO |
518 | } |
519 | ||
520 | pch_gbe_check_copper_options(adapter); | |
521 | } |