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Merge tag 'iwlwifi-next-for-kalle-2016-07-06' of git://git.kernel.org/pub/scm/linux...
[deliverable/linux.git] / drivers / net / wireless / intel / iwlwifi / iwl-drv.c
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,
133 MVM_OP_MODE,
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
330 if (len < sizeof(*l) ||
331 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
332 return -EINVAL;
333
334 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
335 fwcs = &l->cs[j];
336
337 /* we skip schemes with zero cipher suite selector */
338 if (!fwcs->cipher)
339 continue;
340
341 fw->cs[j++] = *fwcs;
342 }
343
344 return 0;
345 }
346
347 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
348 const u32 len)
349 {
350 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
351 struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
352
353 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
354 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
355 capa->max_ap_cache_per_scan =
356 le32_to_cpu(fw_capa->max_ap_cache_per_scan);
357 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
358 capa->max_scan_reporting_threshold =
359 le32_to_cpu(fw_capa->max_scan_reporting_threshold);
360 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
361 capa->max_significant_change_aps =
362 le32_to_cpu(fw_capa->max_significant_change_aps);
363 capa->max_bssid_history_entries =
364 le32_to_cpu(fw_capa->max_bssid_history_entries);
365 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids);
366 capa->max_number_epno_networks =
367 le32_to_cpu(fw_capa->max_number_epno_networks);
368 capa->max_number_epno_networks_by_ssid =
369 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid);
370 capa->max_number_of_white_listed_ssid =
371 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid);
372 capa->max_number_of_black_listed_ssid =
373 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid);
374 }
375
376 /*
377 * Gets uCode section from tlv.
378 */
379 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
380 const void *data, enum iwl_ucode_type type,
381 int size)
382 {
383 struct fw_img_parsing *img;
384 struct fw_sec *sec;
385 struct fw_sec_parsing *sec_parse;
386
387 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
388 return -1;
389
390 sec_parse = (struct fw_sec_parsing *)data;
391
392 img = &pieces->img[type];
393 sec = &img->sec[img->sec_counter];
394
395 sec->offset = le32_to_cpu(sec_parse->offset);
396 sec->data = sec_parse->data;
397 sec->size = size - sizeof(sec_parse->offset);
398
399 ++img->sec_counter;
400
401 return 0;
402 }
403
404 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
405 {
406 struct iwl_tlv_calib_data *def_calib =
407 (struct iwl_tlv_calib_data *)data;
408 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
409 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
410 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
411 ucode_type);
412 return -EINVAL;
413 }
414 drv->fw.default_calib[ucode_type].flow_trigger =
415 def_calib->calib.flow_trigger;
416 drv->fw.default_calib[ucode_type].event_trigger =
417 def_calib->calib.event_trigger;
418
419 return 0;
420 }
421
422 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
423 struct iwl_ucode_capabilities *capa)
424 {
425 const struct iwl_ucode_api *ucode_api = (void *)data;
426 u32 api_index = le32_to_cpu(ucode_api->api_index);
427 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
428 int i;
429
430 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
431 IWL_ERR(drv,
432 "api flags index %d larger than supported by driver\n",
433 api_index);
434 /* don't return an error so we can load FW that has more bits */
435 return 0;
436 }
437
438 for (i = 0; i < 32; i++) {
439 if (api_flags & BIT(i))
440 __set_bit(i + 32 * api_index, capa->_api);
441 }
442
443 return 0;
444 }
445
446 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
447 struct iwl_ucode_capabilities *capa)
448 {
449 const struct iwl_ucode_capa *ucode_capa = (void *)data;
450 u32 api_index = le32_to_cpu(ucode_capa->api_index);
451 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
452 int i;
453
454 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
455 IWL_ERR(drv,
456 "capa flags index %d larger than supported by driver\n",
457 api_index);
458 /* don't return an error so we can load FW that has more bits */
459 return 0;
460 }
461
462 for (i = 0; i < 32; i++) {
463 if (api_flags & BIT(i))
464 __set_bit(i + 32 * api_index, capa->_capa);
465 }
466
467 return 0;
468 }
469
470 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
471 const struct firmware *ucode_raw,
472 struct iwl_firmware_pieces *pieces)
473 {
474 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
475 u32 api_ver, hdr_size, build;
476 char buildstr[25];
477 const u8 *src;
478
479 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
480 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
481
482 switch (api_ver) {
483 default:
484 hdr_size = 28;
485 if (ucode_raw->size < hdr_size) {
486 IWL_ERR(drv, "File size too small!\n");
487 return -EINVAL;
488 }
489 build = le32_to_cpu(ucode->u.v2.build);
490 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
491 le32_to_cpu(ucode->u.v2.inst_size));
492 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
493 le32_to_cpu(ucode->u.v2.data_size));
494 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
495 le32_to_cpu(ucode->u.v2.init_size));
496 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
497 le32_to_cpu(ucode->u.v2.init_data_size));
498 src = ucode->u.v2.data;
499 break;
500 case 0:
501 case 1:
502 case 2:
503 hdr_size = 24;
504 if (ucode_raw->size < hdr_size) {
505 IWL_ERR(drv, "File size too small!\n");
506 return -EINVAL;
507 }
508 build = 0;
509 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
510 le32_to_cpu(ucode->u.v1.inst_size));
511 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
512 le32_to_cpu(ucode->u.v1.data_size));
513 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
514 le32_to_cpu(ucode->u.v1.init_size));
515 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
516 le32_to_cpu(ucode->u.v1.init_data_size));
517 src = ucode->u.v1.data;
518 break;
519 }
520
521 if (build)
522 sprintf(buildstr, " build %u", build);
523 else
524 buildstr[0] = '\0';
525
526 snprintf(drv->fw.fw_version,
527 sizeof(drv->fw.fw_version),
528 "%u.%u.%u.%u%s",
529 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
530 IWL_UCODE_MINOR(drv->fw.ucode_ver),
531 IWL_UCODE_API(drv->fw.ucode_ver),
532 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
533 buildstr);
534
535 /* Verify size of file vs. image size info in file's header */
536
537 if (ucode_raw->size != hdr_size +
538 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
539 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
540 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
541 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
542
543 IWL_ERR(drv,
544 "uCode file size %d does not match expected size\n",
545 (int)ucode_raw->size);
546 return -EINVAL;
547 }
548
549
550 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
551 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
552 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
553 IWLAGN_RTC_INST_LOWER_BOUND);
554 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
555 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
556 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
557 IWLAGN_RTC_DATA_LOWER_BOUND);
558 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
559 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
560 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
561 IWLAGN_RTC_INST_LOWER_BOUND);
562 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
563 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
564 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
565 IWLAGN_RTC_DATA_LOWER_BOUND);
566 return 0;
567 }
568
569 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
570 const struct firmware *ucode_raw,
571 struct iwl_firmware_pieces *pieces,
572 struct iwl_ucode_capabilities *capa,
573 bool *usniffer_images)
574 {
575 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
576 struct iwl_ucode_tlv *tlv;
577 size_t len = ucode_raw->size;
578 const u8 *data;
579 u32 tlv_len;
580 u32 usniffer_img;
581 enum iwl_ucode_tlv_type tlv_type;
582 const u8 *tlv_data;
583 char buildstr[25];
584 u32 build, paging_mem_size;
585 int num_of_cpus;
586 bool usniffer_req = false;
587 bool gscan_capa = false;
588
589 if (len < sizeof(*ucode)) {
590 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
591 return -EINVAL;
592 }
593
594 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
595 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
596 le32_to_cpu(ucode->magic));
597 return -EINVAL;
598 }
599
600 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
601 memcpy(drv->fw.human_readable, ucode->human_readable,
602 sizeof(drv->fw.human_readable));
603 build = le32_to_cpu(ucode->build);
604
605 if (build)
606 sprintf(buildstr, " build %u", build);
607 else
608 buildstr[0] = '\0';
609
610 snprintf(drv->fw.fw_version,
611 sizeof(drv->fw.fw_version),
612 "%u.%u.%u.%u%s",
613 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
614 IWL_UCODE_MINOR(drv->fw.ucode_ver),
615 IWL_UCODE_API(drv->fw.ucode_ver),
616 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
617 buildstr);
618
619 data = ucode->data;
620
621 len -= sizeof(*ucode);
622
623 while (len >= sizeof(*tlv)) {
624 len -= sizeof(*tlv);
625 tlv = (void *)data;
626
627 tlv_len = le32_to_cpu(tlv->length);
628 tlv_type = le32_to_cpu(tlv->type);
629 tlv_data = tlv->data;
630
631 if (len < tlv_len) {
632 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
633 len, tlv_len);
634 return -EINVAL;
635 }
636 len -= ALIGN(tlv_len, 4);
637 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
638
639 switch (tlv_type) {
640 case IWL_UCODE_TLV_INST:
641 set_sec_data(pieces, IWL_UCODE_REGULAR,
642 IWL_UCODE_SECTION_INST, tlv_data);
643 set_sec_size(pieces, IWL_UCODE_REGULAR,
644 IWL_UCODE_SECTION_INST, tlv_len);
645 set_sec_offset(pieces, IWL_UCODE_REGULAR,
646 IWL_UCODE_SECTION_INST,
647 IWLAGN_RTC_INST_LOWER_BOUND);
648 break;
649 case IWL_UCODE_TLV_DATA:
650 set_sec_data(pieces, IWL_UCODE_REGULAR,
651 IWL_UCODE_SECTION_DATA, tlv_data);
652 set_sec_size(pieces, IWL_UCODE_REGULAR,
653 IWL_UCODE_SECTION_DATA, tlv_len);
654 set_sec_offset(pieces, IWL_UCODE_REGULAR,
655 IWL_UCODE_SECTION_DATA,
656 IWLAGN_RTC_DATA_LOWER_BOUND);
657 break;
658 case IWL_UCODE_TLV_INIT:
659 set_sec_data(pieces, IWL_UCODE_INIT,
660 IWL_UCODE_SECTION_INST, tlv_data);
661 set_sec_size(pieces, IWL_UCODE_INIT,
662 IWL_UCODE_SECTION_INST, tlv_len);
663 set_sec_offset(pieces, IWL_UCODE_INIT,
664 IWL_UCODE_SECTION_INST,
665 IWLAGN_RTC_INST_LOWER_BOUND);
666 break;
667 case IWL_UCODE_TLV_INIT_DATA:
668 set_sec_data(pieces, IWL_UCODE_INIT,
669 IWL_UCODE_SECTION_DATA, tlv_data);
670 set_sec_size(pieces, IWL_UCODE_INIT,
671 IWL_UCODE_SECTION_DATA, tlv_len);
672 set_sec_offset(pieces, IWL_UCODE_INIT,
673 IWL_UCODE_SECTION_DATA,
674 IWLAGN_RTC_DATA_LOWER_BOUND);
675 break;
676 case IWL_UCODE_TLV_BOOT:
677 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
678 break;
679 case IWL_UCODE_TLV_PROBE_MAX_LEN:
680 if (tlv_len != sizeof(u32))
681 goto invalid_tlv_len;
682 capa->max_probe_length =
683 le32_to_cpup((__le32 *)tlv_data);
684 break;
685 case IWL_UCODE_TLV_PAN:
686 if (tlv_len)
687 goto invalid_tlv_len;
688 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
689 break;
690 case IWL_UCODE_TLV_FLAGS:
691 /* must be at least one u32 */
692 if (tlv_len < sizeof(u32))
693 goto invalid_tlv_len;
694 /* and a proper number of u32s */
695 if (tlv_len % sizeof(u32))
696 goto invalid_tlv_len;
697 /*
698 * This driver only reads the first u32 as
699 * right now no more features are defined,
700 * if that changes then either the driver
701 * will not work with the new firmware, or
702 * it'll not take advantage of new features.
703 */
704 capa->flags = le32_to_cpup((__le32 *)tlv_data);
705 break;
706 case IWL_UCODE_TLV_API_CHANGES_SET:
707 if (tlv_len != sizeof(struct iwl_ucode_api))
708 goto invalid_tlv_len;
709 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
710 goto tlv_error;
711 break;
712 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
713 if (tlv_len != sizeof(struct iwl_ucode_capa))
714 goto invalid_tlv_len;
715 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
716 goto tlv_error;
717 break;
718 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
719 if (tlv_len != sizeof(u32))
720 goto invalid_tlv_len;
721 pieces->init_evtlog_ptr =
722 le32_to_cpup((__le32 *)tlv_data);
723 break;
724 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
725 if (tlv_len != sizeof(u32))
726 goto invalid_tlv_len;
727 pieces->init_evtlog_size =
728 le32_to_cpup((__le32 *)tlv_data);
729 break;
730 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
731 if (tlv_len != sizeof(u32))
732 goto invalid_tlv_len;
733 pieces->init_errlog_ptr =
734 le32_to_cpup((__le32 *)tlv_data);
735 break;
736 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
737 if (tlv_len != sizeof(u32))
738 goto invalid_tlv_len;
739 pieces->inst_evtlog_ptr =
740 le32_to_cpup((__le32 *)tlv_data);
741 break;
742 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
743 if (tlv_len != sizeof(u32))
744 goto invalid_tlv_len;
745 pieces->inst_evtlog_size =
746 le32_to_cpup((__le32 *)tlv_data);
747 break;
748 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
749 if (tlv_len != sizeof(u32))
750 goto invalid_tlv_len;
751 pieces->inst_errlog_ptr =
752 le32_to_cpup((__le32 *)tlv_data);
753 break;
754 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
755 if (tlv_len)
756 goto invalid_tlv_len;
757 drv->fw.enhance_sensitivity_table = true;
758 break;
759 case IWL_UCODE_TLV_WOWLAN_INST:
760 set_sec_data(pieces, IWL_UCODE_WOWLAN,
761 IWL_UCODE_SECTION_INST, tlv_data);
762 set_sec_size(pieces, IWL_UCODE_WOWLAN,
763 IWL_UCODE_SECTION_INST, tlv_len);
764 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
765 IWL_UCODE_SECTION_INST,
766 IWLAGN_RTC_INST_LOWER_BOUND);
767 break;
768 case IWL_UCODE_TLV_WOWLAN_DATA:
769 set_sec_data(pieces, IWL_UCODE_WOWLAN,
770 IWL_UCODE_SECTION_DATA, tlv_data);
771 set_sec_size(pieces, IWL_UCODE_WOWLAN,
772 IWL_UCODE_SECTION_DATA, tlv_len);
773 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
774 IWL_UCODE_SECTION_DATA,
775 IWLAGN_RTC_DATA_LOWER_BOUND);
776 break;
777 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
778 if (tlv_len != sizeof(u32))
779 goto invalid_tlv_len;
780 capa->standard_phy_calibration_size =
781 le32_to_cpup((__le32 *)tlv_data);
782 break;
783 case IWL_UCODE_TLV_SEC_RT:
784 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
785 tlv_len);
786 drv->fw.type = IWL_FW_MVM;
787 break;
788 case IWL_UCODE_TLV_SEC_INIT:
789 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
790 tlv_len);
791 drv->fw.type = IWL_FW_MVM;
792 break;
793 case IWL_UCODE_TLV_SEC_WOWLAN:
794 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
795 tlv_len);
796 drv->fw.type = IWL_FW_MVM;
797 break;
798 case IWL_UCODE_TLV_DEF_CALIB:
799 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
800 goto invalid_tlv_len;
801 if (iwl_set_default_calib(drv, tlv_data))
802 goto tlv_error;
803 break;
804 case IWL_UCODE_TLV_PHY_SKU:
805 if (tlv_len != sizeof(u32))
806 goto invalid_tlv_len;
807 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
808 drv->fw.valid_tx_ant = (drv->fw.phy_config &
809 FW_PHY_CFG_TX_CHAIN) >>
810 FW_PHY_CFG_TX_CHAIN_POS;
811 drv->fw.valid_rx_ant = (drv->fw.phy_config &
812 FW_PHY_CFG_RX_CHAIN) >>
813 FW_PHY_CFG_RX_CHAIN_POS;
814 break;
815 case IWL_UCODE_TLV_SECURE_SEC_RT:
816 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
817 tlv_len);
818 drv->fw.type = IWL_FW_MVM;
819 break;
820 case IWL_UCODE_TLV_SECURE_SEC_INIT:
821 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
822 tlv_len);
823 drv->fw.type = IWL_FW_MVM;
824 break;
825 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
826 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
827 tlv_len);
828 drv->fw.type = IWL_FW_MVM;
829 break;
830 case IWL_UCODE_TLV_NUM_OF_CPU:
831 if (tlv_len != sizeof(u32))
832 goto invalid_tlv_len;
833 num_of_cpus =
834 le32_to_cpup((__le32 *)tlv_data);
835
836 if (num_of_cpus == 2) {
837 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
838 true;
839 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
840 true;
841 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
842 true;
843 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
844 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
845 return -EINVAL;
846 }
847 break;
848 case IWL_UCODE_TLV_CSCHEME:
849 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
850 goto invalid_tlv_len;
851 break;
852 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
853 if (tlv_len != sizeof(u32))
854 goto invalid_tlv_len;
855 capa->n_scan_channels =
856 le32_to_cpup((__le32 *)tlv_data);
857 break;
858 case IWL_UCODE_TLV_FW_VERSION: {
859 __le32 *ptr = (void *)tlv_data;
860 u32 major, minor;
861 u8 local_comp;
862
863 if (tlv_len != sizeof(u32) * 3)
864 goto invalid_tlv_len;
865
866 major = le32_to_cpup(ptr++);
867 minor = le32_to_cpup(ptr++);
868 local_comp = le32_to_cpup(ptr);
869
870 snprintf(drv->fw.fw_version,
871 sizeof(drv->fw.fw_version), "%u.%u.%u",
872 major, minor, local_comp);
873 break;
874 }
875 case IWL_UCODE_TLV_FW_DBG_DEST: {
876 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
877
878 if (pieces->dbg_dest_tlv) {
879 IWL_ERR(drv,
880 "dbg destination ignored, already exists\n");
881 break;
882 }
883
884 pieces->dbg_dest_tlv = dest;
885 IWL_INFO(drv, "Found debug destination: %s\n",
886 get_fw_dbg_mode_string(dest->monitor_mode));
887
888 drv->fw.dbg_dest_reg_num =
889 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
890 reg_ops);
891 drv->fw.dbg_dest_reg_num /=
892 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
893
894 break;
895 }
896 case IWL_UCODE_TLV_FW_DBG_CONF: {
897 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
898
899 if (!pieces->dbg_dest_tlv) {
900 IWL_ERR(drv,
901 "Ignore dbg config %d - no destination configured\n",
902 conf->id);
903 break;
904 }
905
906 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
907 IWL_ERR(drv,
908 "Skip unknown configuration: %d\n",
909 conf->id);
910 break;
911 }
912
913 if (pieces->dbg_conf_tlv[conf->id]) {
914 IWL_ERR(drv,
915 "Ignore duplicate dbg config %d\n",
916 conf->id);
917 break;
918 }
919
920 if (conf->usniffer)
921 usniffer_req = true;
922
923 IWL_INFO(drv, "Found debug configuration: %d\n",
924 conf->id);
925
926 pieces->dbg_conf_tlv[conf->id] = conf;
927 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
928 break;
929 }
930 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
931 struct iwl_fw_dbg_trigger_tlv *trigger =
932 (void *)tlv_data;
933 u32 trigger_id = le32_to_cpu(trigger->id);
934
935 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
936 IWL_ERR(drv,
937 "Skip unknown trigger: %u\n",
938 trigger->id);
939 break;
940 }
941
942 if (pieces->dbg_trigger_tlv[trigger_id]) {
943 IWL_ERR(drv,
944 "Ignore duplicate dbg trigger %u\n",
945 trigger->id);
946 break;
947 }
948
949 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
950
951 pieces->dbg_trigger_tlv[trigger_id] = trigger;
952 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
953 break;
954 }
955 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
956 *usniffer_images = true;
957 iwl_store_ucode_sec(pieces, tlv_data,
958 IWL_UCODE_REGULAR_USNIFFER,
959 tlv_len);
960 break;
961 case IWL_UCODE_TLV_PAGING:
962 if (tlv_len != sizeof(u32))
963 goto invalid_tlv_len;
964 paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
965
966 IWL_DEBUG_FW(drv,
967 "Paging: paging enabled (size = %u bytes)\n",
968 paging_mem_size);
969
970 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
971 IWL_ERR(drv,
972 "Paging: driver supports up to %lu bytes for paging image\n",
973 MAX_PAGING_IMAGE_SIZE);
974 return -EINVAL;
975 }
976
977 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
978 IWL_ERR(drv,
979 "Paging: image isn't multiple %lu\n",
980 FW_PAGING_SIZE);
981 return -EINVAL;
982 }
983
984 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
985 paging_mem_size;
986 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
987 drv->fw.img[usniffer_img].paging_mem_size =
988 paging_mem_size;
989 break;
990 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
991 if (tlv_len != sizeof(u32))
992 goto invalid_tlv_len;
993 drv->fw.sdio_adma_addr =
994 le32_to_cpup((__le32 *)tlv_data);
995 break;
996 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
997 /*
998 * Don't return an error in case of a shorter tlv_len
999 * to enable loading of FW that has an old format
1000 * of GSCAN capabilities TLV.
1001 */
1002 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities))
1003 break;
1004
1005 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len);
1006 gscan_capa = true;
1007 break;
1008 case IWL_UCODE_TLV_FW_MEM_SEG: {
1009 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1010 (void *)tlv_data;
1011 u32 type;
1012
1013 if (tlv_len != (sizeof(*dbg_mem)))
1014 goto invalid_tlv_len;
1015
1016 type = le32_to_cpu(dbg_mem->data_type);
1017 drv->fw.dbg_dynamic_mem = true;
1018
1019 if (type >= ARRAY_SIZE(drv->fw.dbg_mem_tlv)) {
1020 IWL_ERR(drv,
1021 "Skip unknown dbg mem segment: %u\n",
1022 dbg_mem->data_type);
1023 break;
1024 }
1025
1026 if (pieces->dbg_mem_tlv[type]) {
1027 IWL_ERR(drv,
1028 "Ignore duplicate mem segment: %u\n",
1029 dbg_mem->data_type);
1030 break;
1031 }
1032
1033 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1034 dbg_mem->data_type);
1035
1036 pieces->dbg_mem_tlv[type] = dbg_mem;
1037 break;
1038 }
1039 default:
1040 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1041 break;
1042 }
1043 }
1044
1045 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1046 usniffer_req && !*usniffer_images) {
1047 IWL_ERR(drv,
1048 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1049 return -EINVAL;
1050 }
1051
1052 if (len) {
1053 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1054 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1055 return -EINVAL;
1056 }
1057
1058 /*
1059 * If ucode advertises that it supports GSCAN but GSCAN
1060 * capabilities TLV is not present, or if it has an old format,
1061 * warn and continue without GSCAN.
1062 */
1063 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
1064 !gscan_capa) {
1065 IWL_DEBUG_INFO(drv,
1066 "GSCAN is supported but capabilities TLV is unavailable\n");
1067 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
1068 capa->_capa);
1069 }
1070
1071 return 0;
1072
1073 invalid_tlv_len:
1074 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1075 tlv_error:
1076 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1077
1078 return -EINVAL;
1079 }
1080
1081 static int iwl_alloc_ucode(struct iwl_drv *drv,
1082 struct iwl_firmware_pieces *pieces,
1083 enum iwl_ucode_type type)
1084 {
1085 int i;
1086 for (i = 0;
1087 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
1088 i++)
1089 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
1090 get_sec(pieces, type, i)))
1091 return -ENOMEM;
1092 return 0;
1093 }
1094
1095 static int validate_sec_sizes(struct iwl_drv *drv,
1096 struct iwl_firmware_pieces *pieces,
1097 const struct iwl_cfg *cfg)
1098 {
1099 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
1100 get_sec_size(pieces, IWL_UCODE_REGULAR,
1101 IWL_UCODE_SECTION_INST));
1102 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
1103 get_sec_size(pieces, IWL_UCODE_REGULAR,
1104 IWL_UCODE_SECTION_DATA));
1105 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
1106 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1107 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
1108 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1109
1110 /* Verify that uCode images will fit in card's SRAM. */
1111 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1112 cfg->max_inst_size) {
1113 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
1114 get_sec_size(pieces, IWL_UCODE_REGULAR,
1115 IWL_UCODE_SECTION_INST));
1116 return -1;
1117 }
1118
1119 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1120 cfg->max_data_size) {
1121 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
1122 get_sec_size(pieces, IWL_UCODE_REGULAR,
1123 IWL_UCODE_SECTION_DATA));
1124 return -1;
1125 }
1126
1127 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1128 cfg->max_inst_size) {
1129 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
1130 get_sec_size(pieces, IWL_UCODE_INIT,
1131 IWL_UCODE_SECTION_INST));
1132 return -1;
1133 }
1134
1135 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1136 cfg->max_data_size) {
1137 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
1138 get_sec_size(pieces, IWL_UCODE_REGULAR,
1139 IWL_UCODE_SECTION_DATA));
1140 return -1;
1141 }
1142 return 0;
1143 }
1144
1145 static struct iwl_op_mode *
1146 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1147 {
1148 const struct iwl_op_mode_ops *ops = op->ops;
1149 struct dentry *dbgfs_dir = NULL;
1150 struct iwl_op_mode *op_mode = NULL;
1151
1152 #ifdef CONFIG_IWLWIFI_DEBUGFS
1153 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1154 drv->dbgfs_drv);
1155 if (!drv->dbgfs_op_mode) {
1156 IWL_ERR(drv,
1157 "failed to create opmode debugfs directory\n");
1158 return op_mode;
1159 }
1160 dbgfs_dir = drv->dbgfs_op_mode;
1161 #endif
1162
1163 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
1164
1165 #ifdef CONFIG_IWLWIFI_DEBUGFS
1166 if (!op_mode) {
1167 debugfs_remove_recursive(drv->dbgfs_op_mode);
1168 drv->dbgfs_op_mode = NULL;
1169 }
1170 #endif
1171
1172 return op_mode;
1173 }
1174
1175 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1176 {
1177 /* op_mode can be NULL if its start failed */
1178 if (drv->op_mode) {
1179 iwl_op_mode_stop(drv->op_mode);
1180 drv->op_mode = NULL;
1181
1182 #ifdef CONFIG_IWLWIFI_DEBUGFS
1183 debugfs_remove_recursive(drv->dbgfs_op_mode);
1184 drv->dbgfs_op_mode = NULL;
1185 #endif
1186 }
1187 }
1188
1189 /**
1190 * iwl_req_fw_callback - callback when firmware was loaded
1191 *
1192 * If loaded successfully, copies the firmware into buffers
1193 * for the card to fetch (via DMA).
1194 */
1195 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1196 {
1197 struct iwl_drv *drv = context;
1198 struct iwl_fw *fw = &drv->fw;
1199 struct iwl_ucode_header *ucode;
1200 struct iwlwifi_opmode_table *op;
1201 int err;
1202 struct iwl_firmware_pieces *pieces;
1203 const unsigned int api_max = drv->cfg->ucode_api_max;
1204 const unsigned int api_min = drv->cfg->ucode_api_min;
1205 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1206 u32 api_ver;
1207 int i;
1208 bool load_module = false;
1209 bool usniffer_images = false;
1210
1211 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1212 fw->ucode_capa.standard_phy_calibration_size =
1213 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1214 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1215
1216 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1217 if (!pieces)
1218 return;
1219
1220 if (!ucode_raw)
1221 goto try_again;
1222
1223 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1224 drv->firmware_name, ucode_raw->size);
1225
1226 /* Make sure that we got at least the API version number */
1227 if (ucode_raw->size < 4) {
1228 IWL_ERR(drv, "File size way too small!\n");
1229 goto try_again;
1230 }
1231
1232 /* Data from ucode file: header followed by uCode images */
1233 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1234
1235 if (ucode->ver)
1236 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1237 else
1238 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1239 &fw->ucode_capa, &usniffer_images);
1240
1241 if (err)
1242 goto try_again;
1243
1244 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1245 api_ver = drv->fw.ucode_ver;
1246 else
1247 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1248
1249 /*
1250 * api_ver should match the api version forming part of the
1251 * firmware filename ... but we don't check for that and only rely
1252 * on the API version read from firmware header from here on forward
1253 */
1254 if (api_ver < api_min || api_ver > api_max) {
1255 IWL_ERR(drv,
1256 "Driver unable to support your firmware API. "
1257 "Driver supports v%u, firmware is v%u.\n",
1258 api_max, api_ver);
1259 goto try_again;
1260 }
1261
1262 /*
1263 * In mvm uCode there is no difference between data and instructions
1264 * sections.
1265 */
1266 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, drv->cfg))
1267 goto try_again;
1268
1269 /* Allocate ucode buffers for card's bus-master loading ... */
1270
1271 /* Runtime instructions and 2 copies of data:
1272 * 1) unmodified from disk
1273 * 2) backup cache for save/restore during power-downs */
1274 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1275 if (iwl_alloc_ucode(drv, pieces, i))
1276 goto out_free_fw;
1277
1278 if (pieces->dbg_dest_tlv) {
1279 drv->fw.dbg_dest_tlv =
1280 kmemdup(pieces->dbg_dest_tlv,
1281 sizeof(*pieces->dbg_dest_tlv) +
1282 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1283 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1284
1285 if (!drv->fw.dbg_dest_tlv)
1286 goto out_free_fw;
1287 }
1288
1289 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1290 if (pieces->dbg_conf_tlv[i]) {
1291 drv->fw.dbg_conf_tlv_len[i] =
1292 pieces->dbg_conf_tlv_len[i];
1293 drv->fw.dbg_conf_tlv[i] =
1294 kmemdup(pieces->dbg_conf_tlv[i],
1295 drv->fw.dbg_conf_tlv_len[i],
1296 GFP_KERNEL);
1297 if (!drv->fw.dbg_conf_tlv[i])
1298 goto out_free_fw;
1299 }
1300 }
1301
1302 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1303
1304 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1305 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1306 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1307 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1308 sizeof(struct iwl_fw_dbg_trigger_cmd);
1309 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1310 sizeof(struct iwl_fw_dbg_trigger_mlme);
1311 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1312 sizeof(struct iwl_fw_dbg_trigger_stats);
1313 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1314 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1315 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1316 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1317 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1318 sizeof(struct iwl_fw_dbg_trigger_time_event);
1319 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1320 sizeof(struct iwl_fw_dbg_trigger_ba);
1321 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1322 sizeof(struct iwl_fw_dbg_trigger_tdls);
1323
1324 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1325 if (pieces->dbg_trigger_tlv[i]) {
1326 /*
1327 * If the trigger isn't long enough, WARN and exit.
1328 * Someone is trying to debug something and he won't
1329 * be able to catch the bug he is trying to chase.
1330 * We'd better be noisy to be sure he knows what's
1331 * going on.
1332 */
1333 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1334 (trigger_tlv_sz[i] +
1335 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1336 goto out_free_fw;
1337 drv->fw.dbg_trigger_tlv_len[i] =
1338 pieces->dbg_trigger_tlv_len[i];
1339 drv->fw.dbg_trigger_tlv[i] =
1340 kmemdup(pieces->dbg_trigger_tlv[i],
1341 drv->fw.dbg_trigger_tlv_len[i],
1342 GFP_KERNEL);
1343 if (!drv->fw.dbg_trigger_tlv[i])
1344 goto out_free_fw;
1345 }
1346 }
1347
1348 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_mem_tlv); i++) {
1349 if (pieces->dbg_mem_tlv[i]) {
1350 drv->fw.dbg_mem_tlv[i] =
1351 kmemdup(pieces->dbg_mem_tlv[i],
1352 sizeof(*drv->fw.dbg_mem_tlv[i]),
1353 GFP_KERNEL);
1354 if (!drv->fw.dbg_mem_tlv[i])
1355 goto out_free_fw;
1356 }
1357 }
1358
1359 /* Now that we can no longer fail, copy information */
1360
1361 /*
1362 * The (size - 16) / 12 formula is based on the information recorded
1363 * for each event, which is of mode 1 (including timestamp) for all
1364 * new microcodes that include this information.
1365 */
1366 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1367 if (pieces->init_evtlog_size)
1368 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1369 else
1370 fw->init_evtlog_size =
1371 drv->cfg->base_params->max_event_log_size;
1372 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1373 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1374 if (pieces->inst_evtlog_size)
1375 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1376 else
1377 fw->inst_evtlog_size =
1378 drv->cfg->base_params->max_event_log_size;
1379 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1380
1381 /*
1382 * figure out the offset of chain noise reset and gain commands
1383 * base on the size of standard phy calibration commands table size
1384 */
1385 if (fw->ucode_capa.standard_phy_calibration_size >
1386 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1387 fw->ucode_capa.standard_phy_calibration_size =
1388 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1389
1390 /* We have our copies now, allow OS release its copies */
1391 release_firmware(ucode_raw);
1392
1393 mutex_lock(&iwlwifi_opmode_table_mtx);
1394 switch (fw->type) {
1395 case IWL_FW_DVM:
1396 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1397 break;
1398 default:
1399 WARN(1, "Invalid fw type %d\n", fw->type);
1400 case IWL_FW_MVM:
1401 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1402 break;
1403 }
1404
1405 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1406 drv->fw.fw_version, op->name);
1407
1408 /* add this device to the list of devices using this op_mode */
1409 list_add_tail(&drv->list, &op->drv);
1410
1411 if (op->ops) {
1412 drv->op_mode = _iwl_op_mode_start(drv, op);
1413
1414 if (!drv->op_mode) {
1415 mutex_unlock(&iwlwifi_opmode_table_mtx);
1416 goto out_unbind;
1417 }
1418 } else {
1419 load_module = true;
1420 }
1421 mutex_unlock(&iwlwifi_opmode_table_mtx);
1422
1423 /*
1424 * Complete the firmware request last so that
1425 * a driver unbind (stop) doesn't run while we
1426 * are doing the start() above.
1427 */
1428 complete(&drv->request_firmware_complete);
1429
1430 /*
1431 * Load the module last so we don't block anything
1432 * else from proceeding if the module fails to load
1433 * or hangs loading.
1434 */
1435 if (load_module) {
1436 err = request_module("%s", op->name);
1437 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1438 if (err)
1439 IWL_ERR(drv,
1440 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1441 op->name, err);
1442 #endif
1443 }
1444 kfree(pieces);
1445 return;
1446
1447 try_again:
1448 /* try next, if any */
1449 release_firmware(ucode_raw);
1450 if (iwl_request_firmware(drv, false))
1451 goto out_unbind;
1452 kfree(pieces);
1453 return;
1454
1455 out_free_fw:
1456 IWL_ERR(drv, "failed to allocate pci memory\n");
1457 iwl_dealloc_ucode(drv);
1458 release_firmware(ucode_raw);
1459 out_unbind:
1460 kfree(pieces);
1461 complete(&drv->request_firmware_complete);
1462 device_release_driver(drv->trans->dev);
1463 }
1464
1465 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1466 const struct iwl_cfg *cfg)
1467 {
1468 struct iwl_drv *drv;
1469 int ret;
1470
1471 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1472 if (!drv) {
1473 ret = -ENOMEM;
1474 goto err;
1475 }
1476
1477 drv->trans = trans;
1478 drv->dev = trans->dev;
1479 drv->cfg = cfg;
1480
1481 init_completion(&drv->request_firmware_complete);
1482 INIT_LIST_HEAD(&drv->list);
1483
1484 #ifdef CONFIG_IWLWIFI_DEBUGFS
1485 /* Create the device debugfs entries. */
1486 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1487 iwl_dbgfs_root);
1488
1489 if (!drv->dbgfs_drv) {
1490 IWL_ERR(drv, "failed to create debugfs directory\n");
1491 ret = -ENOMEM;
1492 goto err_free_drv;
1493 }
1494
1495 /* Create transport layer debugfs dir */
1496 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1497
1498 if (!drv->trans->dbgfs_dir) {
1499 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1500 ret = -ENOMEM;
1501 goto err_free_dbgfs;
1502 }
1503 #endif
1504
1505 ret = iwl_request_firmware(drv, true);
1506 if (ret) {
1507 IWL_ERR(trans, "Couldn't request the fw\n");
1508 goto err_fw;
1509 }
1510
1511 return drv;
1512
1513 err_fw:
1514 #ifdef CONFIG_IWLWIFI_DEBUGFS
1515 err_free_dbgfs:
1516 debugfs_remove_recursive(drv->dbgfs_drv);
1517 err_free_drv:
1518 #endif
1519 kfree(drv);
1520 err:
1521 return ERR_PTR(ret);
1522 }
1523
1524 void iwl_drv_stop(struct iwl_drv *drv)
1525 {
1526 wait_for_completion(&drv->request_firmware_complete);
1527
1528 _iwl_op_mode_stop(drv);
1529
1530 iwl_dealloc_ucode(drv);
1531
1532 mutex_lock(&iwlwifi_opmode_table_mtx);
1533 /*
1534 * List is empty (this item wasn't added)
1535 * when firmware loading failed -- in that
1536 * case we can't remove it from any list.
1537 */
1538 if (!list_empty(&drv->list))
1539 list_del(&drv->list);
1540 mutex_unlock(&iwlwifi_opmode_table_mtx);
1541
1542 #ifdef CONFIG_IWLWIFI_DEBUGFS
1543 debugfs_remove_recursive(drv->dbgfs_drv);
1544 #endif
1545
1546 kfree(drv);
1547 }
1548
1549
1550 /* shared module parameters */
1551 struct iwl_mod_params iwlwifi_mod_params = {
1552 .restart_fw = true,
1553 .bt_coex_active = true,
1554 .power_level = IWL_POWER_INDEX_1,
1555 .d0i3_disable = true,
1556 .d0i3_entry_delay = 1000,
1557 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1558 /* the rest are 0 by default */
1559 };
1560 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1561
1562 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1563 {
1564 int i;
1565 struct iwl_drv *drv;
1566 struct iwlwifi_opmode_table *op;
1567
1568 mutex_lock(&iwlwifi_opmode_table_mtx);
1569 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1570 op = &iwlwifi_opmode_table[i];
1571 if (strcmp(op->name, name))
1572 continue;
1573 op->ops = ops;
1574 /* TODO: need to handle exceptional case */
1575 list_for_each_entry(drv, &op->drv, list)
1576 drv->op_mode = _iwl_op_mode_start(drv, op);
1577
1578 mutex_unlock(&iwlwifi_opmode_table_mtx);
1579 return 0;
1580 }
1581 mutex_unlock(&iwlwifi_opmode_table_mtx);
1582 return -EIO;
1583 }
1584 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1585
1586 void iwl_opmode_deregister(const char *name)
1587 {
1588 int i;
1589 struct iwl_drv *drv;
1590
1591 mutex_lock(&iwlwifi_opmode_table_mtx);
1592 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1593 if (strcmp(iwlwifi_opmode_table[i].name, name))
1594 continue;
1595 iwlwifi_opmode_table[i].ops = NULL;
1596
1597 /* call the stop routine for all devices */
1598 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1599 _iwl_op_mode_stop(drv);
1600
1601 mutex_unlock(&iwlwifi_opmode_table_mtx);
1602 return;
1603 }
1604 mutex_unlock(&iwlwifi_opmode_table_mtx);
1605 }
1606 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1607
1608 static int __init iwl_drv_init(void)
1609 {
1610 int i;
1611
1612 mutex_init(&iwlwifi_opmode_table_mtx);
1613
1614 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1615 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1616
1617 pr_info(DRV_DESCRIPTION "\n");
1618 pr_info(DRV_COPYRIGHT "\n");
1619
1620 #ifdef CONFIG_IWLWIFI_DEBUGFS
1621 /* Create the root of iwlwifi debugfs subsystem. */
1622 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1623
1624 if (!iwl_dbgfs_root)
1625 return -EFAULT;
1626 #endif
1627
1628 return iwl_pci_register_driver();
1629 }
1630 module_init(iwl_drv_init);
1631
1632 static void __exit iwl_drv_exit(void)
1633 {
1634 iwl_pci_unregister_driver();
1635
1636 #ifdef CONFIG_IWLWIFI_DEBUGFS
1637 debugfs_remove_recursive(iwl_dbgfs_root);
1638 #endif
1639 }
1640 module_exit(iwl_drv_exit);
1641
1642 #ifdef CONFIG_IWLWIFI_DEBUG
1643 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1644 S_IRUGO | S_IWUSR);
1645 MODULE_PARM_DESC(debug, "debug output mask");
1646 #endif
1647
1648 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1649 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1650 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1651 MODULE_PARM_DESC(11n_disable,
1652 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1653 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size,
1654 int, S_IRUGO);
1655 MODULE_PARM_DESC(amsdu_size,
1656 "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)");
1657 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1658 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1659
1660 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1661 int, S_IRUGO);
1662 MODULE_PARM_DESC(antenna_coupling,
1663 "specify antenna coupling in dB (default: 0 dB)");
1664
1665 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1666 MODULE_PARM_DESC(nvm_file, "NVM file name");
1667
1668 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1669 bool, S_IRUGO);
1670 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1671
1672 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1673 bool, S_IRUGO);
1674 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1675
1676 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1677 uint, S_IRUGO | S_IWUSR);
1678 MODULE_PARM_DESC(uapsd_disable,
1679 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1680
1681 /*
1682 * set bt_coex_active to true, uCode will do kill/defer
1683 * every time the priority line is asserted (BT is sending signals on the
1684 * priority line in the PCIx).
1685 * set bt_coex_active to false, uCode will ignore the BT activity and
1686 * perform the normal operation
1687 *
1688 * User might experience transmit issue on some platform due to WiFi/BT
1689 * co-exist problem. The possible behaviors are:
1690 * Able to scan and finding all the available AP
1691 * Not able to associate with any AP
1692 * On those platforms, WiFi communication can be restored by set
1693 * "bt_coex_active" module parameter to "false"
1694 *
1695 * default: bt_coex_active = true (BT_COEX_ENABLE)
1696 */
1697 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1698 bool, S_IRUGO);
1699 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1700
1701 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1702 MODULE_PARM_DESC(led_mode, "0=system default, "
1703 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1704
1705 module_param_named(power_save, iwlwifi_mod_params.power_save,
1706 bool, S_IRUGO);
1707 MODULE_PARM_DESC(power_save,
1708 "enable WiFi power management (default: disable)");
1709
1710 module_param_named(power_level, iwlwifi_mod_params.power_level,
1711 int, S_IRUGO);
1712 MODULE_PARM_DESC(power_level,
1713 "default power save level (range from 1 - 5, default: 1)");
1714
1715 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1716 MODULE_PARM_DESC(fw_monitor,
1717 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1718
1719 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay,
1720 uint, S_IRUGO);
1721 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
1722
1723 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool,
1724 S_IRUGO);
1725 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
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