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net/mlx4_en: Move filters cleanup to a proper location
[linux/fpc-iii.git] / drivers / net / wireless / intel / iwlwifi / iwl-drv.c
blobf52ff75f6f80dceb554dd93d2b9beaa638ad9d83
1 /******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 Intel Deutschland GmbH
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * USA
25 *
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
28 *
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
32 *
33 * BSD LICENSE
34 *
35 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 Intel Deutschland GmbH
38 * All rights reserved.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 *
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
49 * distribution.
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 *
66 *****************************************************************************/
67 #include <linux/completion.h>
68 #include <linux/dma-mapping.h>
69 #include <linux/firmware.h>
70 #include <linux/module.h>
71 #include <linux/vmalloc.h>
72
73 #include "iwl-drv.h"
74 #include "iwl-csr.h"
75 #include "iwl-debug.h"
76 #include "iwl-trans.h"
77 #include "iwl-op-mode.h"
78 #include "iwl-agn-hw.h"
79 #include "iwl-fw.h"
80 #include "iwl-config.h"
81 #include "iwl-modparams.h"
82
83 /******************************************************************************
84 *
85 * module boiler plate
86 *
87 ******************************************************************************/
88
89 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
90 MODULE_DESCRIPTION(DRV_DESCRIPTION);
91 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
92 MODULE_LICENSE("GPL");
93
94 #ifdef CONFIG_IWLWIFI_DEBUGFS
95 static struct dentry *iwl_dbgfs_root;
96 #endif
97
98 /**
99 * struct iwl_drv - drv common data
100 * @list: list of drv structures using this opmode
101 * @fw: the iwl_fw structure
102 * @op_mode: the running op_mode
103 * @trans: transport layer
104 * @dev: for debug prints only
105 * @cfg: configuration struct
106 * @fw_index: firmware revision to try loading
107 * @firmware_name: composite filename of ucode file to load
108 * @request_firmware_complete: the firmware has been obtained from user space
109 */
110 struct iwl_drv {
111 struct list_head list;
112 struct iwl_fw fw;
113
114 struct iwl_op_mode *op_mode;
115 struct iwl_trans *trans;
116 struct device *dev;
117 const struct iwl_cfg *cfg;
118
119 int fw_index; /* firmware we're trying to load */
120 char firmware_name[64]; /* name of firmware file to load */
121
122 struct completion request_firmware_complete;
123
124 #ifdef CONFIG_IWLWIFI_DEBUGFS
125 struct dentry *dbgfs_drv;
126 struct dentry *dbgfs_trans;
127 struct dentry *dbgfs_op_mode;
128 #endif
129 };
130
131 enum {
132 DVM_OP_MODE = 0,
133 MVM_OP_MODE = 1,
134 };
135
136 /* Protects the table contents, i.e. the ops pointer & drv list */
137 static struct mutex iwlwifi_opmode_table_mtx;
138 static struct iwlwifi_opmode_table {
139 const char *name; /* name: iwldvm, iwlmvm, etc */
140 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
141 struct list_head drv; /* list of devices using this op_mode */
142 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
143 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
144 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
145 };
146
147 #define IWL_DEFAULT_SCAN_CHANNELS 40
148
149 /*
150 * struct fw_sec: Just for the image parsing process.
151 * For the fw storage we are using struct fw_desc.
152 */
153 struct fw_sec {
154 const void *data; /* the sec data */
155 size_t size; /* section size */
156 u32 offset; /* offset of writing in the device */
157 };
158
159 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
160 {
161 vfree(desc->data);
162 desc->data = NULL;
163 desc->len = 0;
164 }
165
166 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
167 {
168 int i;
169 for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
170 iwl_free_fw_desc(drv, &img->sec[i]);
171 }
172
173 static void iwl_dealloc_ucode(struct iwl_drv *drv)
174 {
175 int i;
176
177 kfree(drv->fw.dbg_dest_tlv);
178 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
179 kfree(drv->fw.dbg_conf_tlv[i]);
180 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
181 kfree(drv->fw.dbg_trigger_tlv[i]);
182 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_mem_tlv); i++)
183 kfree(drv->fw.dbg_mem_tlv[i]);
184
185 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
186 iwl_free_fw_img(drv, drv->fw.img + i);
187 }
188
189 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
190 struct fw_sec *sec)
191 {
192 void *data;
193
194 desc->data = NULL;
195
196 if (!sec || !sec->size)
197 return -EINVAL;
198
199 data = vmalloc(sec->size);
200 if (!data)
201 return -ENOMEM;
202
203 desc->len = sec->size;
204 desc->offset = sec->offset;
205 memcpy(data, sec->data, desc->len);
206 desc->data = data;
207
208 return 0;
209 }
210
211 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
212 void *context);
213
214 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
215 {
216 const char *name_pre = drv->cfg->fw_name_pre;
217 char tag[8];
218
219 if (first) {
220 drv->fw_index = drv->cfg->ucode_api_max;
221 sprintf(tag, "%d", drv->fw_index);
222 } else {
223 drv->fw_index--;
224 sprintf(tag, "%d", drv->fw_index);
225 }
226
227 if (drv->fw_index < drv->cfg->ucode_api_min) {
228 IWL_ERR(drv, "no suitable firmware found!\n");
229 return -ENOENT;
230 }
231
232 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
233 name_pre, tag);
234
235 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n",
236 drv->firmware_name);
237
238 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
239 drv->trans->dev,
240 GFP_KERNEL, drv, iwl_req_fw_callback);
241 }
242
243 struct fw_img_parsing {
244 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
245 int sec_counter;
246 };
247
248 /*
249 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
250 */
251 struct fw_sec_parsing {
252 __le32 offset;
253 const u8 data[];
254 } __packed;
255
256 /**
257 * struct iwl_tlv_calib_data - parse the default calib data from TLV
258 *
259 * @ucode_type: the uCode to which the following default calib relates.
260 * @calib: default calibrations.
261 */
262 struct iwl_tlv_calib_data {
263 __le32 ucode_type;
264 struct iwl_tlv_calib_ctrl calib;
265 } __packed;
266
267 struct iwl_firmware_pieces {
268 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
269
270 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
271 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
272
273 /* FW debug data parsed for driver usage */
274 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
275 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
276 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
277 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
278 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
279 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv[FW_DBG_MEM_MAX];
280 };
281
282 /*
283 * These functions are just to extract uCode section data from the pieces
284 * structure.
285 */
286 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
287 enum iwl_ucode_type type,
288 int sec)
289 {
290 return &pieces->img[type].sec[sec];
291 }
292
293 static void set_sec_data(struct iwl_firmware_pieces *pieces,
294 enum iwl_ucode_type type,
295 int sec,
296 const void *data)
297 {
298 pieces->img[type].sec[sec].data = data;
299 }
300
301 static void set_sec_size(struct iwl_firmware_pieces *pieces,
302 enum iwl_ucode_type type,
303 int sec,
304 size_t size)
305 {
306 pieces->img[type].sec[sec].size = size;
307 }
308
309 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
310 enum iwl_ucode_type type,
311 int sec)
312 {
313 return pieces->img[type].sec[sec].size;
314 }
315
316 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
317 enum iwl_ucode_type type,
318 int sec,
319 u32 offset)
320 {
321 pieces->img[type].sec[sec].offset = offset;
322 }
323
324 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
325 {
326 int i, j;
327 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
328 struct iwl_fw_cipher_scheme *fwcs;
329 struct ieee80211_cipher_scheme *cs;
330 u32 cipher;
331
332 if (len < sizeof(*l) ||
333 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
334 return -EINVAL;
335
336 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
337 fwcs = &l->cs[j];
338 cipher = le32_to_cpu(fwcs->cipher);
339
340 /* we skip schemes with zero cipher suite selector */
341 if (!cipher)
342 continue;
343
344 cs = &fw->cs[j++];
345 cs->cipher = cipher;
346 cs->iftype = BIT(NL80211_IFTYPE_STATION);
347 cs->hdr_len = fwcs->hdr_len;
348 cs->pn_len = fwcs->pn_len;
349 cs->pn_off = fwcs->pn_off;
350 cs->key_idx_off = fwcs->key_idx_off;
351 cs->key_idx_mask = fwcs->key_idx_mask;
352 cs->key_idx_shift = fwcs->key_idx_shift;
353 cs->mic_len = fwcs->mic_len;
354 }
355
356 return 0;
357 }
358
359 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
360 const u32 len)
361 {
362 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
363 struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
364
365 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
366 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
367 capa->max_ap_cache_per_scan =
368 le32_to_cpu(fw_capa->max_ap_cache_per_scan);
369 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
370 capa->max_scan_reporting_threshold =
371 le32_to_cpu(fw_capa->max_scan_reporting_threshold);
372 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
373 capa->max_significant_change_aps =
374 le32_to_cpu(fw_capa->max_significant_change_aps);
375 capa->max_bssid_history_entries =
376 le32_to_cpu(fw_capa->max_bssid_history_entries);
377 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids);
378 capa->max_number_epno_networks =
379 le32_to_cpu(fw_capa->max_number_epno_networks);
380 capa->max_number_epno_networks_by_ssid =
381 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid);
382 capa->max_number_of_white_listed_ssid =
383 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid);
384 capa->max_number_of_black_listed_ssid =
385 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid);
386 }
387
388 /*
389 * Gets uCode section from tlv.
390 */
391 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
392 const void *data, enum iwl_ucode_type type,
393 int size)
394 {
395 struct fw_img_parsing *img;
396 struct fw_sec *sec;
397 struct fw_sec_parsing *sec_parse;
398
399 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
400 return -1;
401
402 sec_parse = (struct fw_sec_parsing *)data;
403
404 img = &pieces->img[type];
405 sec = &img->sec[img->sec_counter];
406
407 sec->offset = le32_to_cpu(sec_parse->offset);
408 sec->data = sec_parse->data;
409 sec->size = size - sizeof(sec_parse->offset);
410
411 ++img->sec_counter;
412
413 return 0;
414 }
415
416 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
417 {
418 struct iwl_tlv_calib_data *def_calib =
419 (struct iwl_tlv_calib_data *)data;
420 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
421 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
422 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
423 ucode_type);
424 return -EINVAL;
425 }
426 drv->fw.default_calib[ucode_type].flow_trigger =
427 def_calib->calib.flow_trigger;
428 drv->fw.default_calib[ucode_type].event_trigger =
429 def_calib->calib.event_trigger;
430
431 return 0;
432 }
433
434 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
435 struct iwl_ucode_capabilities *capa)
436 {
437 const struct iwl_ucode_api *ucode_api = (void *)data;
438 u32 api_index = le32_to_cpu(ucode_api->api_index);
439 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
440 int i;
441
442 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
443 IWL_ERR(drv,
444 "api flags index %d larger than supported by driver\n",
445 api_index);
446 /* don't return an error so we can load FW that has more bits */
447 return 0;
448 }
449
450 for (i = 0; i < 32; i++) {
451 if (api_flags & BIT(i))
452 __set_bit(i + 32 * api_index, capa->_api);
453 }
454
455 return 0;
456 }
457
458 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
459 struct iwl_ucode_capabilities *capa)
460 {
461 const struct iwl_ucode_capa *ucode_capa = (void *)data;
462 u32 api_index = le32_to_cpu(ucode_capa->api_index);
463 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
464 int i;
465
466 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
467 IWL_ERR(drv,
468 "capa flags index %d larger than supported by driver\n",
469 api_index);
470 /* don't return an error so we can load FW that has more bits */
471 return 0;
472 }
473
474 for (i = 0; i < 32; i++) {
475 if (api_flags & BIT(i))
476 __set_bit(i + 32 * api_index, capa->_capa);
477 }
478
479 return 0;
480 }
481
482 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
483 const struct firmware *ucode_raw,
484 struct iwl_firmware_pieces *pieces)
485 {
486 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
487 u32 api_ver, hdr_size, build;
488 char buildstr[25];
489 const u8 *src;
490
491 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
492 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
493
494 switch (api_ver) {
495 default:
496 hdr_size = 28;
497 if (ucode_raw->size < hdr_size) {
498 IWL_ERR(drv, "File size too small!\n");
499 return -EINVAL;
500 }
501 build = le32_to_cpu(ucode->u.v2.build);
502 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
503 le32_to_cpu(ucode->u.v2.inst_size));
504 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
505 le32_to_cpu(ucode->u.v2.data_size));
506 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
507 le32_to_cpu(ucode->u.v2.init_size));
508 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
509 le32_to_cpu(ucode->u.v2.init_data_size));
510 src = ucode->u.v2.data;
511 break;
512 case 0:
513 case 1:
514 case 2:
515 hdr_size = 24;
516 if (ucode_raw->size < hdr_size) {
517 IWL_ERR(drv, "File size too small!\n");
518 return -EINVAL;
519 }
520 build = 0;
521 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
522 le32_to_cpu(ucode->u.v1.inst_size));
523 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
524 le32_to_cpu(ucode->u.v1.data_size));
525 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
526 le32_to_cpu(ucode->u.v1.init_size));
527 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
528 le32_to_cpu(ucode->u.v1.init_data_size));
529 src = ucode->u.v1.data;
530 break;
531 }
532
533 if (build)
534 sprintf(buildstr, " build %u", build);
535 else
536 buildstr[0] = '\0';
537
538 snprintf(drv->fw.fw_version,
539 sizeof(drv->fw.fw_version),
540 "%u.%u.%u.%u%s",
541 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
542 IWL_UCODE_MINOR(drv->fw.ucode_ver),
543 IWL_UCODE_API(drv->fw.ucode_ver),
544 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
545 buildstr);
546
547 /* Verify size of file vs. image size info in file's header */
548
549 if (ucode_raw->size != hdr_size +
550 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
551 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
552 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
553 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
554
555 IWL_ERR(drv,
556 "uCode file size %d does not match expected size\n",
557 (int)ucode_raw->size);
558 return -EINVAL;
559 }
560
561
562 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
563 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
564 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
565 IWLAGN_RTC_INST_LOWER_BOUND);
566 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
567 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
568 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
569 IWLAGN_RTC_DATA_LOWER_BOUND);
570 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
571 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
572 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
573 IWLAGN_RTC_INST_LOWER_BOUND);
574 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
575 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
576 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
577 IWLAGN_RTC_DATA_LOWER_BOUND);
578 return 0;
579 }
580
581 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
582 const struct firmware *ucode_raw,
583 struct iwl_firmware_pieces *pieces,
584 struct iwl_ucode_capabilities *capa,
585 bool *usniffer_images)
586 {
587 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
588 struct iwl_ucode_tlv *tlv;
589 size_t len = ucode_raw->size;
590 const u8 *data;
591 u32 tlv_len;
592 u32 usniffer_img;
593 enum iwl_ucode_tlv_type tlv_type;
594 const u8 *tlv_data;
595 char buildstr[25];
596 u32 build, paging_mem_size;
597 int num_of_cpus;
598 bool usniffer_req = false;
599 bool gscan_capa = false;
600
601 if (len < sizeof(*ucode)) {
602 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
603 return -EINVAL;
604 }
605
606 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
607 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
608 le32_to_cpu(ucode->magic));
609 return -EINVAL;
610 }
611
612 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
613 memcpy(drv->fw.human_readable, ucode->human_readable,
614 sizeof(drv->fw.human_readable));
615 build = le32_to_cpu(ucode->build);
616
617 if (build)
618 sprintf(buildstr, " build %u", build);
619 else
620 buildstr[0] = '\0';
621
622 snprintf(drv->fw.fw_version,
623 sizeof(drv->fw.fw_version),
624 "%u.%u.%u.%u%s",
625 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
626 IWL_UCODE_MINOR(drv->fw.ucode_ver),
627 IWL_UCODE_API(drv->fw.ucode_ver),
628 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
629 buildstr);
630
631 data = ucode->data;
632
633 len -= sizeof(*ucode);
634
635 while (len >= sizeof(*tlv)) {
636 len -= sizeof(*tlv);
637 tlv = (void *)data;
638
639 tlv_len = le32_to_cpu(tlv->length);
640 tlv_type = le32_to_cpu(tlv->type);
641 tlv_data = tlv->data;
642
643 if (len < tlv_len) {
644 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
645 len, tlv_len);
646 return -EINVAL;
647 }
648 len -= ALIGN(tlv_len, 4);
649 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
650
651 switch (tlv_type) {
652 case IWL_UCODE_TLV_INST:
653 set_sec_data(pieces, IWL_UCODE_REGULAR,
654 IWL_UCODE_SECTION_INST, tlv_data);
655 set_sec_size(pieces, IWL_UCODE_REGULAR,
656 IWL_UCODE_SECTION_INST, tlv_len);
657 set_sec_offset(pieces, IWL_UCODE_REGULAR,
658 IWL_UCODE_SECTION_INST,
659 IWLAGN_RTC_INST_LOWER_BOUND);
660 break;
661 case IWL_UCODE_TLV_DATA:
662 set_sec_data(pieces, IWL_UCODE_REGULAR,
663 IWL_UCODE_SECTION_DATA, tlv_data);
664 set_sec_size(pieces, IWL_UCODE_REGULAR,
665 IWL_UCODE_SECTION_DATA, tlv_len);
666 set_sec_offset(pieces, IWL_UCODE_REGULAR,
667 IWL_UCODE_SECTION_DATA,
668 IWLAGN_RTC_DATA_LOWER_BOUND);
669 break;
670 case IWL_UCODE_TLV_INIT:
671 set_sec_data(pieces, IWL_UCODE_INIT,
672 IWL_UCODE_SECTION_INST, tlv_data);
673 set_sec_size(pieces, IWL_UCODE_INIT,
674 IWL_UCODE_SECTION_INST, tlv_len);
675 set_sec_offset(pieces, IWL_UCODE_INIT,
676 IWL_UCODE_SECTION_INST,
677 IWLAGN_RTC_INST_LOWER_BOUND);
678 break;
679 case IWL_UCODE_TLV_INIT_DATA:
680 set_sec_data(pieces, IWL_UCODE_INIT,
681 IWL_UCODE_SECTION_DATA, tlv_data);
682 set_sec_size(pieces, IWL_UCODE_INIT,
683 IWL_UCODE_SECTION_DATA, tlv_len);
684 set_sec_offset(pieces, IWL_UCODE_INIT,
685 IWL_UCODE_SECTION_DATA,
686 IWLAGN_RTC_DATA_LOWER_BOUND);
687 break;
688 case IWL_UCODE_TLV_BOOT:
689 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
690 break;
691 case IWL_UCODE_TLV_PROBE_MAX_LEN:
692 if (tlv_len != sizeof(u32))
693 goto invalid_tlv_len;
694 capa->max_probe_length =
695 le32_to_cpup((__le32 *)tlv_data);
696 break;
697 case IWL_UCODE_TLV_PAN:
698 if (tlv_len)
699 goto invalid_tlv_len;
700 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
701 break;
702 case IWL_UCODE_TLV_FLAGS:
703 /* must be at least one u32 */
704 if (tlv_len < sizeof(u32))
705 goto invalid_tlv_len;
706 /* and a proper number of u32s */
707 if (tlv_len % sizeof(u32))
708 goto invalid_tlv_len;
709 /*
710 * This driver only reads the first u32 as
711 * right now no more features are defined,
712 * if that changes then either the driver
713 * will not work with the new firmware, or
714 * it'll not take advantage of new features.
715 */
716 capa->flags = le32_to_cpup((__le32 *)tlv_data);
717 break;
718 case IWL_UCODE_TLV_API_CHANGES_SET:
719 if (tlv_len != sizeof(struct iwl_ucode_api))
720 goto invalid_tlv_len;
721 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
722 goto tlv_error;
723 break;
724 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
725 if (tlv_len != sizeof(struct iwl_ucode_capa))
726 goto invalid_tlv_len;
727 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
728 goto tlv_error;
729 break;
730 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
731 if (tlv_len != sizeof(u32))
732 goto invalid_tlv_len;
733 pieces->init_evtlog_ptr =
734 le32_to_cpup((__le32 *)tlv_data);
735 break;
736 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
737 if (tlv_len != sizeof(u32))
738 goto invalid_tlv_len;
739 pieces->init_evtlog_size =
740 le32_to_cpup((__le32 *)tlv_data);
741 break;
742 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
743 if (tlv_len != sizeof(u32))
744 goto invalid_tlv_len;
745 pieces->init_errlog_ptr =
746 le32_to_cpup((__le32 *)tlv_data);
747 break;
748 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
749 if (tlv_len != sizeof(u32))
750 goto invalid_tlv_len;
751 pieces->inst_evtlog_ptr =
752 le32_to_cpup((__le32 *)tlv_data);
753 break;
754 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
755 if (tlv_len != sizeof(u32))
756 goto invalid_tlv_len;
757 pieces->inst_evtlog_size =
758 le32_to_cpup((__le32 *)tlv_data);
759 break;
760 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
761 if (tlv_len != sizeof(u32))
762 goto invalid_tlv_len;
763 pieces->inst_errlog_ptr =
764 le32_to_cpup((__le32 *)tlv_data);
765 break;
766 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
767 if (tlv_len)
768 goto invalid_tlv_len;
769 drv->fw.enhance_sensitivity_table = true;
770 break;
771 case IWL_UCODE_TLV_WOWLAN_INST:
772 set_sec_data(pieces, IWL_UCODE_WOWLAN,
773 IWL_UCODE_SECTION_INST, tlv_data);
774 set_sec_size(pieces, IWL_UCODE_WOWLAN,
775 IWL_UCODE_SECTION_INST, tlv_len);
776 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
777 IWL_UCODE_SECTION_INST,
778 IWLAGN_RTC_INST_LOWER_BOUND);
779 break;
780 case IWL_UCODE_TLV_WOWLAN_DATA:
781 set_sec_data(pieces, IWL_UCODE_WOWLAN,
782 IWL_UCODE_SECTION_DATA, tlv_data);
783 set_sec_size(pieces, IWL_UCODE_WOWLAN,
784 IWL_UCODE_SECTION_DATA, tlv_len);
785 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
786 IWL_UCODE_SECTION_DATA,
787 IWLAGN_RTC_DATA_LOWER_BOUND);
788 break;
789 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
790 if (tlv_len != sizeof(u32))
791 goto invalid_tlv_len;
792 capa->standard_phy_calibration_size =
793 le32_to_cpup((__le32 *)tlv_data);
794 break;
795 case IWL_UCODE_TLV_SEC_RT:
796 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
797 tlv_len);
798 drv->fw.mvm_fw = true;
799 break;
800 case IWL_UCODE_TLV_SEC_INIT:
801 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
802 tlv_len);
803 drv->fw.mvm_fw = true;
804 break;
805 case IWL_UCODE_TLV_SEC_WOWLAN:
806 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
807 tlv_len);
808 drv->fw.mvm_fw = true;
809 break;
810 case IWL_UCODE_TLV_DEF_CALIB:
811 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
812 goto invalid_tlv_len;
813 if (iwl_set_default_calib(drv, tlv_data))
814 goto tlv_error;
815 break;
816 case IWL_UCODE_TLV_PHY_SKU:
817 if (tlv_len != sizeof(u32))
818 goto invalid_tlv_len;
819 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
820 drv->fw.valid_tx_ant = (drv->fw.phy_config &
821 FW_PHY_CFG_TX_CHAIN) >>
822 FW_PHY_CFG_TX_CHAIN_POS;
823 drv->fw.valid_rx_ant = (drv->fw.phy_config &
824 FW_PHY_CFG_RX_CHAIN) >>
825 FW_PHY_CFG_RX_CHAIN_POS;
826 break;
827 case IWL_UCODE_TLV_SECURE_SEC_RT:
828 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
829 tlv_len);
830 drv->fw.mvm_fw = true;
831 break;
832 case IWL_UCODE_TLV_SECURE_SEC_INIT:
833 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
834 tlv_len);
835 drv->fw.mvm_fw = true;
836 break;
837 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
838 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
839 tlv_len);
840 drv->fw.mvm_fw = true;
841 break;
842 case IWL_UCODE_TLV_NUM_OF_CPU:
843 if (tlv_len != sizeof(u32))
844 goto invalid_tlv_len;
845 num_of_cpus =
846 le32_to_cpup((__le32 *)tlv_data);
847
848 if (num_of_cpus == 2) {
849 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
850 true;
851 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
852 true;
853 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
854 true;
855 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
856 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
857 return -EINVAL;
858 }
859 break;
860 case IWL_UCODE_TLV_CSCHEME:
861 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
862 goto invalid_tlv_len;
863 break;
864 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
865 if (tlv_len != sizeof(u32))
866 goto invalid_tlv_len;
867 capa->n_scan_channels =
868 le32_to_cpup((__le32 *)tlv_data);
869 break;
870 case IWL_UCODE_TLV_FW_VERSION: {
871 __le32 *ptr = (void *)tlv_data;
872 u32 major, minor;
873 u8 local_comp;
874
875 if (tlv_len != sizeof(u32) * 3)
876 goto invalid_tlv_len;
877
878 major = le32_to_cpup(ptr++);
879 minor = le32_to_cpup(ptr++);
880 local_comp = le32_to_cpup(ptr);
881
882 snprintf(drv->fw.fw_version,
883 sizeof(drv->fw.fw_version), "%u.%u.%u",
884 major, minor, local_comp);
885 break;
886 }
887 case IWL_UCODE_TLV_FW_DBG_DEST: {
888 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
889
890 if (pieces->dbg_dest_tlv) {
891 IWL_ERR(drv,
892 "dbg destination ignored, already exists\n");
893 break;
894 }
895
896 pieces->dbg_dest_tlv = dest;
897 IWL_INFO(drv, "Found debug destination: %s\n",
898 get_fw_dbg_mode_string(dest->monitor_mode));
899
900 drv->fw.dbg_dest_reg_num =
901 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
902 reg_ops);
903 drv->fw.dbg_dest_reg_num /=
904 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
905
906 break;
907 }
908 case IWL_UCODE_TLV_FW_DBG_CONF: {
909 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
910
911 if (!pieces->dbg_dest_tlv) {
912 IWL_ERR(drv,
913 "Ignore dbg config %d - no destination configured\n",
914 conf->id);
915 break;
916 }
917
918 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
919 IWL_ERR(drv,
920 "Skip unknown configuration: %d\n",
921 conf->id);
922 break;
923 }
924
925 if (pieces->dbg_conf_tlv[conf->id]) {
926 IWL_ERR(drv,
927 "Ignore duplicate dbg config %d\n",
928 conf->id);
929 break;
930 }
931
932 if (conf->usniffer)
933 usniffer_req = true;
934
935 IWL_INFO(drv, "Found debug configuration: %d\n",
936 conf->id);
937
938 pieces->dbg_conf_tlv[conf->id] = conf;
939 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
940 break;
941 }
942 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
943 struct iwl_fw_dbg_trigger_tlv *trigger =
944 (void *)tlv_data;
945 u32 trigger_id = le32_to_cpu(trigger->id);
946
947 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
948 IWL_ERR(drv,
949 "Skip unknown trigger: %u\n",
950 trigger->id);
951 break;
952 }
953
954 if (pieces->dbg_trigger_tlv[trigger_id]) {
955 IWL_ERR(drv,
956 "Ignore duplicate dbg trigger %u\n",
957 trigger->id);
958 break;
959 }
960
961 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
962
963 pieces->dbg_trigger_tlv[trigger_id] = trigger;
964 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
965 break;
966 }
967 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
968 *usniffer_images = true;
969 iwl_store_ucode_sec(pieces, tlv_data,
970 IWL_UCODE_REGULAR_USNIFFER,
971 tlv_len);
972 break;
973 case IWL_UCODE_TLV_PAGING:
974 if (tlv_len != sizeof(u32))
975 goto invalid_tlv_len;
976 paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
977
978 IWL_DEBUG_FW(drv,
979 "Paging: paging enabled (size = %u bytes)\n",
980 paging_mem_size);
981
982 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
983 IWL_ERR(drv,
984 "Paging: driver supports up to %lu bytes for paging image\n",
985 MAX_PAGING_IMAGE_SIZE);
986 return -EINVAL;
987 }
988
989 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
990 IWL_ERR(drv,
991 "Paging: image isn't multiple %lu\n",
992 FW_PAGING_SIZE);
993 return -EINVAL;
994 }
995
996 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
997 paging_mem_size;
998 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
999 drv->fw.img[usniffer_img].paging_mem_size =
1000 paging_mem_size;
1001 break;
1002 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
1003 if (tlv_len != sizeof(u32))
1004 goto invalid_tlv_len;
1005 drv->fw.sdio_adma_addr =
1006 le32_to_cpup((__le32 *)tlv_data);
1007 break;
1008 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1009 /*
1010 * Don't return an error in case of a shorter tlv_len
1011 * to enable loading of FW that has an old format
1012 * of GSCAN capabilities TLV.
1013 */
1014 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities))
1015 break;
1016
1017 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len);
1018 gscan_capa = true;
1019 break;
1020 case IWL_UCODE_TLV_FW_MEM_SEG: {
1021 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1022 (void *)tlv_data;
1023 u32 type;
1024
1025 if (tlv_len != (sizeof(*dbg_mem)))
1026 goto invalid_tlv_len;
1027
1028 type = le32_to_cpu(dbg_mem->data_type);
1029 drv->fw.dbg_dynamic_mem = true;
1030
1031 if (type >= ARRAY_SIZE(drv->fw.dbg_mem_tlv)) {
1032 IWL_ERR(drv,
1033 "Skip unknown dbg mem segment: %u\n",
1034 dbg_mem->data_type);
1035 break;
1036 }
1037
1038 if (pieces->dbg_mem_tlv[type]) {
1039 IWL_ERR(drv,
1040 "Ignore duplicate mem segment: %u\n",
1041 dbg_mem->data_type);
1042 break;
1043 }
1044
1045 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1046 dbg_mem->data_type);
1047
1048 pieces->dbg_mem_tlv[type] = dbg_mem;
1049 break;
1050 }
1051 default:
1052 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1053 break;
1054 }
1055 }
1056
1057 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1058 usniffer_req && !*usniffer_images) {
1059 IWL_ERR(drv,
1060 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1061 return -EINVAL;
1062 }
1063
1064 if (len) {
1065 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1066 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1067 return -EINVAL;
1068 }
1069
1070 /*
1071 * If ucode advertises that it supports GSCAN but GSCAN
1072 * capabilities TLV is not present, or if it has an old format,
1073 * warn and continue without GSCAN.
1074 */
1075 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
1076 !gscan_capa) {
1077 IWL_DEBUG_INFO(drv,
1078 "GSCAN is supported but capabilities TLV is unavailable\n");
1079 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
1080 capa->_capa);
1081 }
1082
1083 return 0;
1084
1085 invalid_tlv_len:
1086 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1087 tlv_error:
1088 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1089
1090 return -EINVAL;
1091 }
1092
1093 static int iwl_alloc_ucode(struct iwl_drv *drv,
1094 struct iwl_firmware_pieces *pieces,
1095 enum iwl_ucode_type type)
1096 {
1097 int i;
1098 for (i = 0;
1099 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
1100 i++)
1101 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
1102 get_sec(pieces, type, i)))
1103 return -ENOMEM;
1104 return 0;
1105 }
1106
1107 static int validate_sec_sizes(struct iwl_drv *drv,
1108 struct iwl_firmware_pieces *pieces,
1109 const struct iwl_cfg *cfg)
1110 {
1111 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
1112 get_sec_size(pieces, IWL_UCODE_REGULAR,
1113 IWL_UCODE_SECTION_INST));
1114 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
1115 get_sec_size(pieces, IWL_UCODE_REGULAR,
1116 IWL_UCODE_SECTION_DATA));
1117 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
1118 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1119 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
1120 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1121
1122 /* Verify that uCode images will fit in card's SRAM. */
1123 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1124 cfg->max_inst_size) {
1125 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
1126 get_sec_size(pieces, IWL_UCODE_REGULAR,
1127 IWL_UCODE_SECTION_INST));
1128 return -1;
1129 }
1130
1131 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1132 cfg->max_data_size) {
1133 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
1134 get_sec_size(pieces, IWL_UCODE_REGULAR,
1135 IWL_UCODE_SECTION_DATA));
1136 return -1;
1137 }
1138
1139 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1140 cfg->max_inst_size) {
1141 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
1142 get_sec_size(pieces, IWL_UCODE_INIT,
1143 IWL_UCODE_SECTION_INST));
1144 return -1;
1145 }
1146
1147 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1148 cfg->max_data_size) {
1149 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
1150 get_sec_size(pieces, IWL_UCODE_REGULAR,
1151 IWL_UCODE_SECTION_DATA));
1152 return -1;
1153 }
1154 return 0;
1155 }
1156
1157 static struct iwl_op_mode *
1158 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1159 {
1160 const struct iwl_op_mode_ops *ops = op->ops;
1161 struct dentry *dbgfs_dir = NULL;
1162 struct iwl_op_mode *op_mode = NULL;
1163
1164 #ifdef CONFIG_IWLWIFI_DEBUGFS
1165 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1166 drv->dbgfs_drv);
1167 if (!drv->dbgfs_op_mode) {
1168 IWL_ERR(drv,
1169 "failed to create opmode debugfs directory\n");
1170 return op_mode;
1171 }
1172 dbgfs_dir = drv->dbgfs_op_mode;
1173 #endif
1174
1175 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
1176
1177 #ifdef CONFIG_IWLWIFI_DEBUGFS
1178 if (!op_mode) {
1179 debugfs_remove_recursive(drv->dbgfs_op_mode);
1180 drv->dbgfs_op_mode = NULL;
1181 }
1182 #endif
1183
1184 return op_mode;
1185 }
1186
1187 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1188 {
1189 /* op_mode can be NULL if its start failed */
1190 if (drv->op_mode) {
1191 iwl_op_mode_stop(drv->op_mode);
1192 drv->op_mode = NULL;
1193
1194 #ifdef CONFIG_IWLWIFI_DEBUGFS
1195 debugfs_remove_recursive(drv->dbgfs_op_mode);
1196 drv->dbgfs_op_mode = NULL;
1197 #endif
1198 }
1199 }
1200
1201 /**
1202 * iwl_req_fw_callback - callback when firmware was loaded
1203 *
1204 * If loaded successfully, copies the firmware into buffers
1205 * for the card to fetch (via DMA).
1206 */
1207 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1208 {
1209 struct iwl_drv *drv = context;
1210 struct iwl_fw *fw = &drv->fw;
1211 struct iwl_ucode_header *ucode;
1212 struct iwlwifi_opmode_table *op;
1213 int err;
1214 struct iwl_firmware_pieces *pieces;
1215 const unsigned int api_max = drv->cfg->ucode_api_max;
1216 const unsigned int api_min = drv->cfg->ucode_api_min;
1217 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1218 u32 api_ver;
1219 int i;
1220 bool load_module = false;
1221 bool usniffer_images = false;
1222
1223 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1224 fw->ucode_capa.standard_phy_calibration_size =
1225 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1226 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1227
1228 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1229 if (!pieces)
1230 return;
1231
1232 if (!ucode_raw)
1233 goto try_again;
1234
1235 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1236 drv->firmware_name, ucode_raw->size);
1237
1238 /* Make sure that we got at least the API version number */
1239 if (ucode_raw->size < 4) {
1240 IWL_ERR(drv, "File size way too small!\n");
1241 goto try_again;
1242 }
1243
1244 /* Data from ucode file: header followed by uCode images */
1245 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1246
1247 if (ucode->ver)
1248 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1249 else
1250 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1251 &fw->ucode_capa, &usniffer_images);
1252
1253 if (err)
1254 goto try_again;
1255
1256 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1257 api_ver = drv->fw.ucode_ver;
1258 else
1259 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1260
1261 /*
1262 * api_ver should match the api version forming part of the
1263 * firmware filename ... but we don't check for that and only rely
1264 * on the API version read from firmware header from here on forward
1265 */
1266 if (api_ver < api_min || api_ver > api_max) {
1267 IWL_ERR(drv,
1268 "Driver unable to support your firmware API. "
1269 "Driver supports v%u, firmware is v%u.\n",
1270 api_max, api_ver);
1271 goto try_again;
1272 }
1273
1274 /*
1275 * In mvm uCode there is no difference between data and instructions
1276 * sections.
1277 */
1278 if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
1279 goto try_again;
1280
1281 /* Allocate ucode buffers for card's bus-master loading ... */
1282
1283 /* Runtime instructions and 2 copies of data:
1284 * 1) unmodified from disk
1285 * 2) backup cache for save/restore during power-downs */
1286 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1287 if (iwl_alloc_ucode(drv, pieces, i))
1288 goto out_free_fw;
1289
1290 if (pieces->dbg_dest_tlv) {
1291 drv->fw.dbg_dest_tlv =
1292 kmemdup(pieces->dbg_dest_tlv,
1293 sizeof(*pieces->dbg_dest_tlv) +
1294 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1295 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1296
1297 if (!drv->fw.dbg_dest_tlv)
1298 goto out_free_fw;
1299 }
1300
1301 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1302 if (pieces->dbg_conf_tlv[i]) {
1303 drv->fw.dbg_conf_tlv_len[i] =
1304 pieces->dbg_conf_tlv_len[i];
1305 drv->fw.dbg_conf_tlv[i] =
1306 kmemdup(pieces->dbg_conf_tlv[i],
1307 drv->fw.dbg_conf_tlv_len[i],
1308 GFP_KERNEL);
1309 if (!drv->fw.dbg_conf_tlv[i])
1310 goto out_free_fw;
1311 }
1312 }
1313
1314 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1315
1316 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1317 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1318 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1319 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1320 sizeof(struct iwl_fw_dbg_trigger_cmd);
1321 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1322 sizeof(struct iwl_fw_dbg_trigger_mlme);
1323 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1324 sizeof(struct iwl_fw_dbg_trigger_stats);
1325 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1326 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1327 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1328 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1329 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1330 sizeof(struct iwl_fw_dbg_trigger_time_event);
1331 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1332 sizeof(struct iwl_fw_dbg_trigger_ba);
1333 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1334 sizeof(struct iwl_fw_dbg_trigger_tdls);
1335
1336 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1337 if (pieces->dbg_trigger_tlv[i]) {
1338 /*
1339 * If the trigger isn't long enough, WARN and exit.
1340 * Someone is trying to debug something and he won't
1341 * be able to catch the bug he is trying to chase.
1342 * We'd better be noisy to be sure he knows what's
1343 * going on.
1344 */
1345 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1346 (trigger_tlv_sz[i] +
1347 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1348 goto out_free_fw;
1349 drv->fw.dbg_trigger_tlv_len[i] =
1350 pieces->dbg_trigger_tlv_len[i];
1351 drv->fw.dbg_trigger_tlv[i] =
1352 kmemdup(pieces->dbg_trigger_tlv[i],
1353 drv->fw.dbg_trigger_tlv_len[i],
1354 GFP_KERNEL);
1355 if (!drv->fw.dbg_trigger_tlv[i])
1356 goto out_free_fw;
1357 }
1358 }
1359
1360 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_mem_tlv); i++) {
1361 if (pieces->dbg_mem_tlv[i]) {
1362 drv->fw.dbg_mem_tlv[i] =
1363 kmemdup(pieces->dbg_mem_tlv[i],
1364 sizeof(*drv->fw.dbg_mem_tlv[i]),
1365 GFP_KERNEL);
1366 if (!drv->fw.dbg_mem_tlv[i])
1367 goto out_free_fw;
1368 }
1369 }
1370
1371 /* Now that we can no longer fail, copy information */
1372
1373 /*
1374 * The (size - 16) / 12 formula is based on the information recorded
1375 * for each event, which is of mode 1 (including timestamp) for all
1376 * new microcodes that include this information.
1377 */
1378 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1379 if (pieces->init_evtlog_size)
1380 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1381 else
1382 fw->init_evtlog_size =
1383 drv->cfg->base_params->max_event_log_size;
1384 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1385 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1386 if (pieces->inst_evtlog_size)
1387 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1388 else
1389 fw->inst_evtlog_size =
1390 drv->cfg->base_params->max_event_log_size;
1391 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1392
1393 /*
1394 * figure out the offset of chain noise reset and gain commands
1395 * base on the size of standard phy calibration commands table size
1396 */
1397 if (fw->ucode_capa.standard_phy_calibration_size >
1398 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1399 fw->ucode_capa.standard_phy_calibration_size =
1400 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1401
1402 /* We have our copies now, allow OS release its copies */
1403 release_firmware(ucode_raw);
1404
1405 mutex_lock(&iwlwifi_opmode_table_mtx);
1406 if (fw->mvm_fw)
1407 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1408 else
1409 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1410
1411 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1412 drv->fw.fw_version, op->name);
1413
1414 /* add this device to the list of devices using this op_mode */
1415 list_add_tail(&drv->list, &op->drv);
1416
1417 if (op->ops) {
1418 drv->op_mode = _iwl_op_mode_start(drv, op);
1419
1420 if (!drv->op_mode) {
1421 mutex_unlock(&iwlwifi_opmode_table_mtx);
1422 goto out_unbind;
1423 }
1424 } else {
1425 load_module = true;
1426 }
1427 mutex_unlock(&iwlwifi_opmode_table_mtx);
1428
1429 /*
1430 * Complete the firmware request last so that
1431 * a driver unbind (stop) doesn't run while we
1432 * are doing the start() above.
1433 */
1434 complete(&drv->request_firmware_complete);
1435
1436 /*
1437 * Load the module last so we don't block anything
1438 * else from proceeding if the module fails to load
1439 * or hangs loading.
1440 */
1441 if (load_module) {
1442 err = request_module("%s", op->name);
1443 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1444 if (err)
1445 IWL_ERR(drv,
1446 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1447 op->name, err);
1448 #endif
1449 }
1450 kfree(pieces);
1451 return;
1452
1453 try_again:
1454 /* try next, if any */
1455 release_firmware(ucode_raw);
1456 if (iwl_request_firmware(drv, false))
1457 goto out_unbind;
1458 kfree(pieces);
1459 return;
1460
1461 out_free_fw:
1462 IWL_ERR(drv, "failed to allocate pci memory\n");
1463 iwl_dealloc_ucode(drv);
1464 release_firmware(ucode_raw);
1465 out_unbind:
1466 kfree(pieces);
1467 complete(&drv->request_firmware_complete);
1468 device_release_driver(drv->trans->dev);
1469 }
1470
1471 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1472 const struct iwl_cfg *cfg)
1473 {
1474 struct iwl_drv *drv;
1475 int ret;
1476
1477 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1478 if (!drv) {
1479 ret = -ENOMEM;
1480 goto err;
1481 }
1482
1483 drv->trans = trans;
1484 drv->dev = trans->dev;
1485 drv->cfg = cfg;
1486
1487 init_completion(&drv->request_firmware_complete);
1488 INIT_LIST_HEAD(&drv->list);
1489
1490 #ifdef CONFIG_IWLWIFI_DEBUGFS
1491 /* Create the device debugfs entries. */
1492 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1493 iwl_dbgfs_root);
1494
1495 if (!drv->dbgfs_drv) {
1496 IWL_ERR(drv, "failed to create debugfs directory\n");
1497 ret = -ENOMEM;
1498 goto err_free_drv;
1499 }
1500
1501 /* Create transport layer debugfs dir */
1502 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1503
1504 if (!drv->trans->dbgfs_dir) {
1505 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1506 ret = -ENOMEM;
1507 goto err_free_dbgfs;
1508 }
1509 #endif
1510
1511 ret = iwl_request_firmware(drv, true);
1512 if (ret) {
1513 IWL_ERR(trans, "Couldn't request the fw\n");
1514 goto err_fw;
1515 }
1516
1517 return drv;
1518
1519 err_fw:
1520 #ifdef CONFIG_IWLWIFI_DEBUGFS
1521 err_free_dbgfs:
1522 debugfs_remove_recursive(drv->dbgfs_drv);
1523 err_free_drv:
1524 #endif
1525 kfree(drv);
1526 err:
1527 return ERR_PTR(ret);
1528 }
1529
1530 void iwl_drv_stop(struct iwl_drv *drv)
1531 {
1532 wait_for_completion(&drv->request_firmware_complete);
1533
1534 _iwl_op_mode_stop(drv);
1535
1536 iwl_dealloc_ucode(drv);
1537
1538 mutex_lock(&iwlwifi_opmode_table_mtx);
1539 /*
1540 * List is empty (this item wasn't added)
1541 * when firmware loading failed -- in that
1542 * case we can't remove it from any list.
1543 */
1544 if (!list_empty(&drv->list))
1545 list_del(&drv->list);
1546 mutex_unlock(&iwlwifi_opmode_table_mtx);
1547
1548 #ifdef CONFIG_IWLWIFI_DEBUGFS
1549 debugfs_remove_recursive(drv->dbgfs_drv);
1550 #endif
1551
1552 kfree(drv);
1553 }
1554
1555
1556 /* shared module parameters */
1557 struct iwl_mod_params iwlwifi_mod_params = {
1558 .restart_fw = true,
1559 .bt_coex_active = true,
1560 .power_level = IWL_POWER_INDEX_1,
1561 .d0i3_disable = true,
1562 .d0i3_entry_delay = 1000,
1563 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1564 /* the rest are 0 by default */
1565 };
1566 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1567
1568 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1569 {
1570 int i;
1571 struct iwl_drv *drv;
1572 struct iwlwifi_opmode_table *op;
1573
1574 mutex_lock(&iwlwifi_opmode_table_mtx);
1575 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1576 op = &iwlwifi_opmode_table[i];
1577 if (strcmp(op->name, name))
1578 continue;
1579 op->ops = ops;
1580 /* TODO: need to handle exceptional case */
1581 list_for_each_entry(drv, &op->drv, list)
1582 drv->op_mode = _iwl_op_mode_start(drv, op);
1583
1584 mutex_unlock(&iwlwifi_opmode_table_mtx);
1585 return 0;
1586 }
1587 mutex_unlock(&iwlwifi_opmode_table_mtx);
1588 return -EIO;
1589 }
1590 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1591
1592 void iwl_opmode_deregister(const char *name)
1593 {
1594 int i;
1595 struct iwl_drv *drv;
1596
1597 mutex_lock(&iwlwifi_opmode_table_mtx);
1598 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1599 if (strcmp(iwlwifi_opmode_table[i].name, name))
1600 continue;
1601 iwlwifi_opmode_table[i].ops = NULL;
1602
1603 /* call the stop routine for all devices */
1604 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1605 _iwl_op_mode_stop(drv);
1606
1607 mutex_unlock(&iwlwifi_opmode_table_mtx);
1608 return;
1609 }
1610 mutex_unlock(&iwlwifi_opmode_table_mtx);
1611 }
1612 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1613
1614 static int __init iwl_drv_init(void)
1615 {
1616 int i;
1617
1618 mutex_init(&iwlwifi_opmode_table_mtx);
1619
1620 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1621 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1622
1623 pr_info(DRV_DESCRIPTION "\n");
1624 pr_info(DRV_COPYRIGHT "\n");
1625
1626 #ifdef CONFIG_IWLWIFI_DEBUGFS
1627 /* Create the root of iwlwifi debugfs subsystem. */
1628 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1629
1630 if (!iwl_dbgfs_root)
1631 return -EFAULT;
1632 #endif
1633
1634 return iwl_pci_register_driver();
1635 }
1636 module_init(iwl_drv_init);
1637
1638 static void __exit iwl_drv_exit(void)
1639 {
1640 iwl_pci_unregister_driver();
1641
1642 #ifdef CONFIG_IWLWIFI_DEBUGFS
1643 debugfs_remove_recursive(iwl_dbgfs_root);
1644 #endif
1645 }
1646 module_exit(iwl_drv_exit);
1647
1648 #ifdef CONFIG_IWLWIFI_DEBUG
1649 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1650 S_IRUGO | S_IWUSR);
1651 MODULE_PARM_DESC(debug, "debug output mask");
1652 #endif
1653
1654 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1655 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1656 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1657 MODULE_PARM_DESC(11n_disable,
1658 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1659 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size,
1660 int, S_IRUGO);
1661 MODULE_PARM_DESC(amsdu_size, "amsdu size 0:4K 1:8K 2:12K (default 0)");
1662 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1663 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1664
1665 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1666 int, S_IRUGO);
1667 MODULE_PARM_DESC(antenna_coupling,
1668 "specify antenna coupling in dB (default: 0 dB)");
1669
1670 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1671 MODULE_PARM_DESC(nvm_file, "NVM file name");
1672
1673 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1674 bool, S_IRUGO);
1675 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1676
1677 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1678 bool, S_IRUGO);
1679 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1680
1681 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1682 uint, S_IRUGO | S_IWUSR);
1683 MODULE_PARM_DESC(uapsd_disable,
1684 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1685
1686 /*
1687 * set bt_coex_active to true, uCode will do kill/defer
1688 * every time the priority line is asserted (BT is sending signals on the
1689 * priority line in the PCIx).
1690 * set bt_coex_active to false, uCode will ignore the BT activity and
1691 * perform the normal operation
1692 *
1693 * User might experience transmit issue on some platform due to WiFi/BT
1694 * co-exist problem. The possible behaviors are:
1695 * Able to scan and finding all the available AP
1696 * Not able to associate with any AP
1697 * On those platforms, WiFi communication can be restored by set
1698 * "bt_coex_active" module parameter to "false"
1699 *
1700 * default: bt_coex_active = true (BT_COEX_ENABLE)
1701 */
1702 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1703 bool, S_IRUGO);
1704 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1705
1706 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1707 MODULE_PARM_DESC(led_mode, "0=system default, "
1708 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1709
1710 module_param_named(power_save, iwlwifi_mod_params.power_save,
1711 bool, S_IRUGO);
1712 MODULE_PARM_DESC(power_save,
1713 "enable WiFi power management (default: disable)");
1714
1715 module_param_named(power_level, iwlwifi_mod_params.power_level,
1716 int, S_IRUGO);
1717 MODULE_PARM_DESC(power_level,
1718 "default power save level (range from 1 - 5, default: 1)");
1719
1720 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1721 MODULE_PARM_DESC(fw_monitor,
1722 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1723
1724 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay,
1725 uint, S_IRUGO);
1726 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
1727
1728 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool,
1729 S_IRUGO);
1730 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
Linux with added FPC-III support