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iwlwifi: mvm: avoid to WARN about gscan capabilities
[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[32]; /* 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
183 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
184 iwl_free_fw_img(drv, drv->fw.img + i);
185 }
186
187 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
188 struct fw_sec *sec)
189 {
190 void *data;
191
192 desc->data = NULL;
193
194 if (!sec || !sec->size)
195 return -EINVAL;
196
197 data = vmalloc(sec->size);
198 if (!data)
199 return -ENOMEM;
200
201 desc->len = sec->size;
202 desc->offset = sec->offset;
203 memcpy(data, sec->data, desc->len);
204 desc->data = data;
205
206 return 0;
207 }
208
209 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
210 void *context);
211
212 #define UCODE_EXPERIMENTAL_INDEX 100
213 #define UCODE_EXPERIMENTAL_TAG "exp"
214
215 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
216 {
217 const char *name_pre = drv->cfg->fw_name_pre;
218 char tag[8];
219
220 if (first) {
221 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
222 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
223 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
224 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
225 #endif
226 drv->fw_index = drv->cfg->ucode_api_max;
227 sprintf(tag, "%d", drv->fw_index);
228 } else {
229 drv->fw_index--;
230 sprintf(tag, "%d", drv->fw_index);
231 }
232
233 if (drv->fw_index < drv->cfg->ucode_api_min) {
234 IWL_ERR(drv, "no suitable firmware found!\n");
235 return -ENOENT;
236 }
237
238 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
239 name_pre, tag);
240
241 /*
242 * Starting 8000B - FW name format has changed. This overwrites the
243 * previous name and uses the new format.
244 */
245 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
246 char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev);
247
248 if (rev_step != 'A')
249 snprintf(drv->firmware_name,
250 sizeof(drv->firmware_name), "%s%c-%s.ucode",
251 name_pre, rev_step, tag);
252 }
253
254 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
255 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
256 ? "EXPERIMENTAL " : "",
257 drv->firmware_name);
258
259 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
260 drv->trans->dev,
261 GFP_KERNEL, drv, iwl_req_fw_callback);
262 }
263
264 struct fw_img_parsing {
265 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
266 int sec_counter;
267 };
268
269 /*
270 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
271 */
272 struct fw_sec_parsing {
273 __le32 offset;
274 const u8 data[];
275 } __packed;
276
277 /**
278 * struct iwl_tlv_calib_data - parse the default calib data from TLV
279 *
280 * @ucode_type: the uCode to which the following default calib relates.
281 * @calib: default calibrations.
282 */
283 struct iwl_tlv_calib_data {
284 __le32 ucode_type;
285 struct iwl_tlv_calib_ctrl calib;
286 } __packed;
287
288 struct iwl_firmware_pieces {
289 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
290
291 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
292 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
293
294 /* FW debug data parsed for driver usage */
295 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
296 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
297 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
298 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
299 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
300 };
301
302 /*
303 * These functions are just to extract uCode section data from the pieces
304 * structure.
305 */
306 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
307 enum iwl_ucode_type type,
308 int sec)
309 {
310 return &pieces->img[type].sec[sec];
311 }
312
313 static void set_sec_data(struct iwl_firmware_pieces *pieces,
314 enum iwl_ucode_type type,
315 int sec,
316 const void *data)
317 {
318 pieces->img[type].sec[sec].data = data;
319 }
320
321 static void set_sec_size(struct iwl_firmware_pieces *pieces,
322 enum iwl_ucode_type type,
323 int sec,
324 size_t size)
325 {
326 pieces->img[type].sec[sec].size = size;
327 }
328
329 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
330 enum iwl_ucode_type type,
331 int sec)
332 {
333 return pieces->img[type].sec[sec].size;
334 }
335
336 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
337 enum iwl_ucode_type type,
338 int sec,
339 u32 offset)
340 {
341 pieces->img[type].sec[sec].offset = offset;
342 }
343
344 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
345 {
346 int i, j;
347 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
348 struct iwl_fw_cipher_scheme *fwcs;
349 struct ieee80211_cipher_scheme *cs;
350 u32 cipher;
351
352 if (len < sizeof(*l) ||
353 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
354 return -EINVAL;
355
356 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
357 fwcs = &l->cs[j];
358 cipher = le32_to_cpu(fwcs->cipher);
359
360 /* we skip schemes with zero cipher suite selector */
361 if (!cipher)
362 continue;
363
364 cs = &fw->cs[j++];
365 cs->cipher = cipher;
366 cs->iftype = BIT(NL80211_IFTYPE_STATION);
367 cs->hdr_len = fwcs->hdr_len;
368 cs->pn_len = fwcs->pn_len;
369 cs->pn_off = fwcs->pn_off;
370 cs->key_idx_off = fwcs->key_idx_off;
371 cs->key_idx_mask = fwcs->key_idx_mask;
372 cs->key_idx_shift = fwcs->key_idx_shift;
373 cs->mic_len = fwcs->mic_len;
374 }
375
376 return 0;
377 }
378
379 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
380 const u32 len)
381 {
382 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
383 struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
384
385 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
386 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
387 capa->max_ap_cache_per_scan =
388 le32_to_cpu(fw_capa->max_ap_cache_per_scan);
389 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
390 capa->max_scan_reporting_threshold =
391 le32_to_cpu(fw_capa->max_scan_reporting_threshold);
392 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
393 capa->max_significant_change_aps =
394 le32_to_cpu(fw_capa->max_significant_change_aps);
395 capa->max_bssid_history_entries =
396 le32_to_cpu(fw_capa->max_bssid_history_entries);
397 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids);
398 capa->max_number_epno_networks =
399 le32_to_cpu(fw_capa->max_number_epno_networks);
400 capa->max_number_epno_networks_by_ssid =
401 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid);
402 capa->max_number_of_white_listed_ssid =
403 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid);
404 capa->max_number_of_black_listed_ssid =
405 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid);
406 }
407
408 /*
409 * Gets uCode section from tlv.
410 */
411 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
412 const void *data, enum iwl_ucode_type type,
413 int size)
414 {
415 struct fw_img_parsing *img;
416 struct fw_sec *sec;
417 struct fw_sec_parsing *sec_parse;
418
419 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
420 return -1;
421
422 sec_parse = (struct fw_sec_parsing *)data;
423
424 img = &pieces->img[type];
425 sec = &img->sec[img->sec_counter];
426
427 sec->offset = le32_to_cpu(sec_parse->offset);
428 sec->data = sec_parse->data;
429 sec->size = size - sizeof(sec_parse->offset);
430
431 ++img->sec_counter;
432
433 return 0;
434 }
435
436 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
437 {
438 struct iwl_tlv_calib_data *def_calib =
439 (struct iwl_tlv_calib_data *)data;
440 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
441 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
442 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
443 ucode_type);
444 return -EINVAL;
445 }
446 drv->fw.default_calib[ucode_type].flow_trigger =
447 def_calib->calib.flow_trigger;
448 drv->fw.default_calib[ucode_type].event_trigger =
449 def_calib->calib.event_trigger;
450
451 return 0;
452 }
453
454 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
455 struct iwl_ucode_capabilities *capa)
456 {
457 const struct iwl_ucode_api *ucode_api = (void *)data;
458 u32 api_index = le32_to_cpu(ucode_api->api_index);
459 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
460 int i;
461
462 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
463 IWL_ERR(drv,
464 "api flags index %d larger than supported by driver\n",
465 api_index);
466 /* don't return an error so we can load FW that has more bits */
467 return 0;
468 }
469
470 for (i = 0; i < 32; i++) {
471 if (api_flags & BIT(i))
472 __set_bit(i + 32 * api_index, capa->_api);
473 }
474
475 return 0;
476 }
477
478 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
479 struct iwl_ucode_capabilities *capa)
480 {
481 const struct iwl_ucode_capa *ucode_capa = (void *)data;
482 u32 api_index = le32_to_cpu(ucode_capa->api_index);
483 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
484 int i;
485
486 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
487 IWL_ERR(drv,
488 "capa flags index %d larger than supported by driver\n",
489 api_index);
490 /* don't return an error so we can load FW that has more bits */
491 return 0;
492 }
493
494 for (i = 0; i < 32; i++) {
495 if (api_flags & BIT(i))
496 __set_bit(i + 32 * api_index, capa->_capa);
497 }
498
499 return 0;
500 }
501
502 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
503 const struct firmware *ucode_raw,
504 struct iwl_firmware_pieces *pieces)
505 {
506 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
507 u32 api_ver, hdr_size, build;
508 char buildstr[25];
509 const u8 *src;
510
511 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
512 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
513
514 switch (api_ver) {
515 default:
516 hdr_size = 28;
517 if (ucode_raw->size < hdr_size) {
518 IWL_ERR(drv, "File size too small!\n");
519 return -EINVAL;
520 }
521 build = le32_to_cpu(ucode->u.v2.build);
522 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
523 le32_to_cpu(ucode->u.v2.inst_size));
524 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
525 le32_to_cpu(ucode->u.v2.data_size));
526 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
527 le32_to_cpu(ucode->u.v2.init_size));
528 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
529 le32_to_cpu(ucode->u.v2.init_data_size));
530 src = ucode->u.v2.data;
531 break;
532 case 0:
533 case 1:
534 case 2:
535 hdr_size = 24;
536 if (ucode_raw->size < hdr_size) {
537 IWL_ERR(drv, "File size too small!\n");
538 return -EINVAL;
539 }
540 build = 0;
541 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
542 le32_to_cpu(ucode->u.v1.inst_size));
543 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
544 le32_to_cpu(ucode->u.v1.data_size));
545 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
546 le32_to_cpu(ucode->u.v1.init_size));
547 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
548 le32_to_cpu(ucode->u.v1.init_data_size));
549 src = ucode->u.v1.data;
550 break;
551 }
552
553 if (build)
554 sprintf(buildstr, " build %u%s", build,
555 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
556 ? " (EXP)" : "");
557 else
558 buildstr[0] = '\0';
559
560 snprintf(drv->fw.fw_version,
561 sizeof(drv->fw.fw_version),
562 "%u.%u.%u.%u%s",
563 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
564 IWL_UCODE_MINOR(drv->fw.ucode_ver),
565 IWL_UCODE_API(drv->fw.ucode_ver),
566 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
567 buildstr);
568
569 /* Verify size of file vs. image size info in file's header */
570
571 if (ucode_raw->size != hdr_size +
572 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
573 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
574 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
575 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
576
577 IWL_ERR(drv,
578 "uCode file size %d does not match expected size\n",
579 (int)ucode_raw->size);
580 return -EINVAL;
581 }
582
583
584 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
585 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
586 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
587 IWLAGN_RTC_INST_LOWER_BOUND);
588 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
589 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
590 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
591 IWLAGN_RTC_DATA_LOWER_BOUND);
592 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
593 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
594 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
595 IWLAGN_RTC_INST_LOWER_BOUND);
596 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
597 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
598 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
599 IWLAGN_RTC_DATA_LOWER_BOUND);
600 return 0;
601 }
602
603 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
604 const struct firmware *ucode_raw,
605 struct iwl_firmware_pieces *pieces,
606 struct iwl_ucode_capabilities *capa,
607 bool *usniffer_images)
608 {
609 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
610 struct iwl_ucode_tlv *tlv;
611 size_t len = ucode_raw->size;
612 const u8 *data;
613 u32 tlv_len;
614 u32 usniffer_img;
615 enum iwl_ucode_tlv_type tlv_type;
616 const u8 *tlv_data;
617 char buildstr[25];
618 u32 build, paging_mem_size;
619 int num_of_cpus;
620 bool usniffer_req = false;
621 bool gscan_capa = false;
622
623 if (len < sizeof(*ucode)) {
624 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
625 return -EINVAL;
626 }
627
628 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
629 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
630 le32_to_cpu(ucode->magic));
631 return -EINVAL;
632 }
633
634 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
635 memcpy(drv->fw.human_readable, ucode->human_readable,
636 sizeof(drv->fw.human_readable));
637 build = le32_to_cpu(ucode->build);
638
639 if (build)
640 sprintf(buildstr, " build %u%s", build,
641 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
642 ? " (EXP)" : "");
643 else
644 buildstr[0] = '\0';
645
646 snprintf(drv->fw.fw_version,
647 sizeof(drv->fw.fw_version),
648 "%u.%u.%u.%u%s",
649 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
650 IWL_UCODE_MINOR(drv->fw.ucode_ver),
651 IWL_UCODE_API(drv->fw.ucode_ver),
652 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
653 buildstr);
654
655 data = ucode->data;
656
657 len -= sizeof(*ucode);
658
659 while (len >= sizeof(*tlv)) {
660 len -= sizeof(*tlv);
661 tlv = (void *)data;
662
663 tlv_len = le32_to_cpu(tlv->length);
664 tlv_type = le32_to_cpu(tlv->type);
665 tlv_data = tlv->data;
666
667 if (len < tlv_len) {
668 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
669 len, tlv_len);
670 return -EINVAL;
671 }
672 len -= ALIGN(tlv_len, 4);
673 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
674
675 switch (tlv_type) {
676 case IWL_UCODE_TLV_INST:
677 set_sec_data(pieces, IWL_UCODE_REGULAR,
678 IWL_UCODE_SECTION_INST, tlv_data);
679 set_sec_size(pieces, IWL_UCODE_REGULAR,
680 IWL_UCODE_SECTION_INST, tlv_len);
681 set_sec_offset(pieces, IWL_UCODE_REGULAR,
682 IWL_UCODE_SECTION_INST,
683 IWLAGN_RTC_INST_LOWER_BOUND);
684 break;
685 case IWL_UCODE_TLV_DATA:
686 set_sec_data(pieces, IWL_UCODE_REGULAR,
687 IWL_UCODE_SECTION_DATA, tlv_data);
688 set_sec_size(pieces, IWL_UCODE_REGULAR,
689 IWL_UCODE_SECTION_DATA, tlv_len);
690 set_sec_offset(pieces, IWL_UCODE_REGULAR,
691 IWL_UCODE_SECTION_DATA,
692 IWLAGN_RTC_DATA_LOWER_BOUND);
693 break;
694 case IWL_UCODE_TLV_INIT:
695 set_sec_data(pieces, IWL_UCODE_INIT,
696 IWL_UCODE_SECTION_INST, tlv_data);
697 set_sec_size(pieces, IWL_UCODE_INIT,
698 IWL_UCODE_SECTION_INST, tlv_len);
699 set_sec_offset(pieces, IWL_UCODE_INIT,
700 IWL_UCODE_SECTION_INST,
701 IWLAGN_RTC_INST_LOWER_BOUND);
702 break;
703 case IWL_UCODE_TLV_INIT_DATA:
704 set_sec_data(pieces, IWL_UCODE_INIT,
705 IWL_UCODE_SECTION_DATA, tlv_data);
706 set_sec_size(pieces, IWL_UCODE_INIT,
707 IWL_UCODE_SECTION_DATA, tlv_len);
708 set_sec_offset(pieces, IWL_UCODE_INIT,
709 IWL_UCODE_SECTION_DATA,
710 IWLAGN_RTC_DATA_LOWER_BOUND);
711 break;
712 case IWL_UCODE_TLV_BOOT:
713 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
714 break;
715 case IWL_UCODE_TLV_PROBE_MAX_LEN:
716 if (tlv_len != sizeof(u32))
717 goto invalid_tlv_len;
718 capa->max_probe_length =
719 le32_to_cpup((__le32 *)tlv_data);
720 break;
721 case IWL_UCODE_TLV_PAN:
722 if (tlv_len)
723 goto invalid_tlv_len;
724 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
725 break;
726 case IWL_UCODE_TLV_FLAGS:
727 /* must be at least one u32 */
728 if (tlv_len < sizeof(u32))
729 goto invalid_tlv_len;
730 /* and a proper number of u32s */
731 if (tlv_len % sizeof(u32))
732 goto invalid_tlv_len;
733 /*
734 * This driver only reads the first u32 as
735 * right now no more features are defined,
736 * if that changes then either the driver
737 * will not work with the new firmware, or
738 * it'll not take advantage of new features.
739 */
740 capa->flags = le32_to_cpup((__le32 *)tlv_data);
741 break;
742 case IWL_UCODE_TLV_API_CHANGES_SET:
743 if (tlv_len != sizeof(struct iwl_ucode_api))
744 goto invalid_tlv_len;
745 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
746 goto tlv_error;
747 break;
748 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
749 if (tlv_len != sizeof(struct iwl_ucode_capa))
750 goto invalid_tlv_len;
751 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
752 goto tlv_error;
753 break;
754 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
755 if (tlv_len != sizeof(u32))
756 goto invalid_tlv_len;
757 pieces->init_evtlog_ptr =
758 le32_to_cpup((__le32 *)tlv_data);
759 break;
760 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
761 if (tlv_len != sizeof(u32))
762 goto invalid_tlv_len;
763 pieces->init_evtlog_size =
764 le32_to_cpup((__le32 *)tlv_data);
765 break;
766 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
767 if (tlv_len != sizeof(u32))
768 goto invalid_tlv_len;
769 pieces->init_errlog_ptr =
770 le32_to_cpup((__le32 *)tlv_data);
771 break;
772 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
773 if (tlv_len != sizeof(u32))
774 goto invalid_tlv_len;
775 pieces->inst_evtlog_ptr =
776 le32_to_cpup((__le32 *)tlv_data);
777 break;
778 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
779 if (tlv_len != sizeof(u32))
780 goto invalid_tlv_len;
781 pieces->inst_evtlog_size =
782 le32_to_cpup((__le32 *)tlv_data);
783 break;
784 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
785 if (tlv_len != sizeof(u32))
786 goto invalid_tlv_len;
787 pieces->inst_errlog_ptr =
788 le32_to_cpup((__le32 *)tlv_data);
789 break;
790 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
791 if (tlv_len)
792 goto invalid_tlv_len;
793 drv->fw.enhance_sensitivity_table = true;
794 break;
795 case IWL_UCODE_TLV_WOWLAN_INST:
796 set_sec_data(pieces, IWL_UCODE_WOWLAN,
797 IWL_UCODE_SECTION_INST, tlv_data);
798 set_sec_size(pieces, IWL_UCODE_WOWLAN,
799 IWL_UCODE_SECTION_INST, tlv_len);
800 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
801 IWL_UCODE_SECTION_INST,
802 IWLAGN_RTC_INST_LOWER_BOUND);
803 break;
804 case IWL_UCODE_TLV_WOWLAN_DATA:
805 set_sec_data(pieces, IWL_UCODE_WOWLAN,
806 IWL_UCODE_SECTION_DATA, tlv_data);
807 set_sec_size(pieces, IWL_UCODE_WOWLAN,
808 IWL_UCODE_SECTION_DATA, tlv_len);
809 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
810 IWL_UCODE_SECTION_DATA,
811 IWLAGN_RTC_DATA_LOWER_BOUND);
812 break;
813 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
814 if (tlv_len != sizeof(u32))
815 goto invalid_tlv_len;
816 capa->standard_phy_calibration_size =
817 le32_to_cpup((__le32 *)tlv_data);
818 break;
819 case IWL_UCODE_TLV_SEC_RT:
820 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
821 tlv_len);
822 drv->fw.mvm_fw = true;
823 break;
824 case IWL_UCODE_TLV_SEC_INIT:
825 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
826 tlv_len);
827 drv->fw.mvm_fw = true;
828 break;
829 case IWL_UCODE_TLV_SEC_WOWLAN:
830 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
831 tlv_len);
832 drv->fw.mvm_fw = true;
833 break;
834 case IWL_UCODE_TLV_DEF_CALIB:
835 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
836 goto invalid_tlv_len;
837 if (iwl_set_default_calib(drv, tlv_data))
838 goto tlv_error;
839 break;
840 case IWL_UCODE_TLV_PHY_SKU:
841 if (tlv_len != sizeof(u32))
842 goto invalid_tlv_len;
843 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
844 drv->fw.valid_tx_ant = (drv->fw.phy_config &
845 FW_PHY_CFG_TX_CHAIN) >>
846 FW_PHY_CFG_TX_CHAIN_POS;
847 drv->fw.valid_rx_ant = (drv->fw.phy_config &
848 FW_PHY_CFG_RX_CHAIN) >>
849 FW_PHY_CFG_RX_CHAIN_POS;
850 break;
851 case IWL_UCODE_TLV_SECURE_SEC_RT:
852 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
853 tlv_len);
854 drv->fw.mvm_fw = true;
855 break;
856 case IWL_UCODE_TLV_SECURE_SEC_INIT:
857 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
858 tlv_len);
859 drv->fw.mvm_fw = true;
860 break;
861 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
862 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
863 tlv_len);
864 drv->fw.mvm_fw = true;
865 break;
866 case IWL_UCODE_TLV_NUM_OF_CPU:
867 if (tlv_len != sizeof(u32))
868 goto invalid_tlv_len;
869 num_of_cpus =
870 le32_to_cpup((__le32 *)tlv_data);
871
872 if (num_of_cpus == 2) {
873 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
874 true;
875 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
876 true;
877 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
878 true;
879 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
880 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
881 return -EINVAL;
882 }
883 break;
884 case IWL_UCODE_TLV_CSCHEME:
885 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
886 goto invalid_tlv_len;
887 break;
888 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
889 if (tlv_len != sizeof(u32))
890 goto invalid_tlv_len;
891 capa->n_scan_channels =
892 le32_to_cpup((__le32 *)tlv_data);
893 break;
894 case IWL_UCODE_TLV_FW_VERSION: {
895 __le32 *ptr = (void *)tlv_data;
896 u32 major, minor;
897 u8 local_comp;
898
899 if (tlv_len != sizeof(u32) * 3)
900 goto invalid_tlv_len;
901
902 major = le32_to_cpup(ptr++);
903 minor = le32_to_cpup(ptr++);
904 local_comp = le32_to_cpup(ptr);
905
906 snprintf(drv->fw.fw_version,
907 sizeof(drv->fw.fw_version), "%u.%u.%u",
908 major, minor, local_comp);
909 break;
910 }
911 case IWL_UCODE_TLV_FW_DBG_DEST: {
912 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
913
914 if (pieces->dbg_dest_tlv) {
915 IWL_ERR(drv,
916 "dbg destination ignored, already exists\n");
917 break;
918 }
919
920 pieces->dbg_dest_tlv = dest;
921 IWL_INFO(drv, "Found debug destination: %s\n",
922 get_fw_dbg_mode_string(dest->monitor_mode));
923
924 drv->fw.dbg_dest_reg_num =
925 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
926 reg_ops);
927 drv->fw.dbg_dest_reg_num /=
928 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
929
930 break;
931 }
932 case IWL_UCODE_TLV_FW_DBG_CONF: {
933 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
934
935 if (!pieces->dbg_dest_tlv) {
936 IWL_ERR(drv,
937 "Ignore dbg config %d - no destination configured\n",
938 conf->id);
939 break;
940 }
941
942 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
943 IWL_ERR(drv,
944 "Skip unknown configuration: %d\n",
945 conf->id);
946 break;
947 }
948
949 if (pieces->dbg_conf_tlv[conf->id]) {
950 IWL_ERR(drv,
951 "Ignore duplicate dbg config %d\n",
952 conf->id);
953 break;
954 }
955
956 if (conf->usniffer)
957 usniffer_req = true;
958
959 IWL_INFO(drv, "Found debug configuration: %d\n",
960 conf->id);
961
962 pieces->dbg_conf_tlv[conf->id] = conf;
963 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
964 break;
965 }
966 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
967 struct iwl_fw_dbg_trigger_tlv *trigger =
968 (void *)tlv_data;
969 u32 trigger_id = le32_to_cpu(trigger->id);
970
971 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
972 IWL_ERR(drv,
973 "Skip unknown trigger: %u\n",
974 trigger->id);
975 break;
976 }
977
978 if (pieces->dbg_trigger_tlv[trigger_id]) {
979 IWL_ERR(drv,
980 "Ignore duplicate dbg trigger %u\n",
981 trigger->id);
982 break;
983 }
984
985 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
986
987 pieces->dbg_trigger_tlv[trigger_id] = trigger;
988 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
989 break;
990 }
991 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
992 *usniffer_images = true;
993 iwl_store_ucode_sec(pieces, tlv_data,
994 IWL_UCODE_REGULAR_USNIFFER,
995 tlv_len);
996 break;
997 case IWL_UCODE_TLV_PAGING:
998 if (tlv_len != sizeof(u32))
999 goto invalid_tlv_len;
1000 paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
1001
1002 IWL_DEBUG_FW(drv,
1003 "Paging: paging enabled (size = %u bytes)\n",
1004 paging_mem_size);
1005
1006 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
1007 IWL_ERR(drv,
1008 "Paging: driver supports up to %lu bytes for paging image\n",
1009 MAX_PAGING_IMAGE_SIZE);
1010 return -EINVAL;
1011 }
1012
1013 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1014 IWL_ERR(drv,
1015 "Paging: image isn't multiple %lu\n",
1016 FW_PAGING_SIZE);
1017 return -EINVAL;
1018 }
1019
1020 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1021 paging_mem_size;
1022 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1023 drv->fw.img[usniffer_img].paging_mem_size =
1024 paging_mem_size;
1025 break;
1026 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
1027 if (tlv_len != sizeof(u32))
1028 goto invalid_tlv_len;
1029 drv->fw.sdio_adma_addr =
1030 le32_to_cpup((__le32 *)tlv_data);
1031 break;
1032 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1033 /*
1034 * Don't return an error in case of a shorter tlv_len
1035 * to enable loading of FW that has an old format
1036 * of GSCAN capabilities TLV.
1037 */
1038 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities))
1039 break;
1040
1041 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len);
1042 gscan_capa = true;
1043 break;
1044 default:
1045 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1046 break;
1047 }
1048 }
1049
1050 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1051 usniffer_req && !*usniffer_images) {
1052 IWL_ERR(drv,
1053 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1054 return -EINVAL;
1055 }
1056
1057 if (len) {
1058 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1059 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1060 return -EINVAL;
1061 }
1062
1063 /*
1064 * If ucode advertises that it supports GSCAN but GSCAN
1065 * capabilities TLV is not present, or if it has an old format,
1066 * warn and continue without GSCAN.
1067 */
1068 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
1069 !gscan_capa) {
1070 IWL_DEBUG_INFO(drv,
1071 "GSCAN is supported but capabilities TLV is unavailable\n");
1072 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
1073 capa->_capa);
1074 }
1075
1076 return 0;
1077
1078 invalid_tlv_len:
1079 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1080 tlv_error:
1081 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1082
1083 return -EINVAL;
1084 }
1085
1086 static int iwl_alloc_ucode(struct iwl_drv *drv,
1087 struct iwl_firmware_pieces *pieces,
1088 enum iwl_ucode_type type)
1089 {
1090 int i;
1091 for (i = 0;
1092 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
1093 i++)
1094 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
1095 get_sec(pieces, type, i)))
1096 return -ENOMEM;
1097 return 0;
1098 }
1099
1100 static int validate_sec_sizes(struct iwl_drv *drv,
1101 struct iwl_firmware_pieces *pieces,
1102 const struct iwl_cfg *cfg)
1103 {
1104 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
1105 get_sec_size(pieces, IWL_UCODE_REGULAR,
1106 IWL_UCODE_SECTION_INST));
1107 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
1108 get_sec_size(pieces, IWL_UCODE_REGULAR,
1109 IWL_UCODE_SECTION_DATA));
1110 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
1111 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1112 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
1113 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1114
1115 /* Verify that uCode images will fit in card's SRAM. */
1116 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1117 cfg->max_inst_size) {
1118 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
1119 get_sec_size(pieces, IWL_UCODE_REGULAR,
1120 IWL_UCODE_SECTION_INST));
1121 return -1;
1122 }
1123
1124 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1125 cfg->max_data_size) {
1126 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
1127 get_sec_size(pieces, IWL_UCODE_REGULAR,
1128 IWL_UCODE_SECTION_DATA));
1129 return -1;
1130 }
1131
1132 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1133 cfg->max_inst_size) {
1134 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
1135 get_sec_size(pieces, IWL_UCODE_INIT,
1136 IWL_UCODE_SECTION_INST));
1137 return -1;
1138 }
1139
1140 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1141 cfg->max_data_size) {
1142 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
1143 get_sec_size(pieces, IWL_UCODE_REGULAR,
1144 IWL_UCODE_SECTION_DATA));
1145 return -1;
1146 }
1147 return 0;
1148 }
1149
1150 static struct iwl_op_mode *
1151 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1152 {
1153 const struct iwl_op_mode_ops *ops = op->ops;
1154 struct dentry *dbgfs_dir = NULL;
1155 struct iwl_op_mode *op_mode = NULL;
1156
1157 #ifdef CONFIG_IWLWIFI_DEBUGFS
1158 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1159 drv->dbgfs_drv);
1160 if (!drv->dbgfs_op_mode) {
1161 IWL_ERR(drv,
1162 "failed to create opmode debugfs directory\n");
1163 return op_mode;
1164 }
1165 dbgfs_dir = drv->dbgfs_op_mode;
1166 #endif
1167
1168 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
1169
1170 #ifdef CONFIG_IWLWIFI_DEBUGFS
1171 if (!op_mode) {
1172 debugfs_remove_recursive(drv->dbgfs_op_mode);
1173 drv->dbgfs_op_mode = NULL;
1174 }
1175 #endif
1176
1177 return op_mode;
1178 }
1179
1180 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1181 {
1182 /* op_mode can be NULL if its start failed */
1183 if (drv->op_mode) {
1184 iwl_op_mode_stop(drv->op_mode);
1185 drv->op_mode = NULL;
1186
1187 #ifdef CONFIG_IWLWIFI_DEBUGFS
1188 debugfs_remove_recursive(drv->dbgfs_op_mode);
1189 drv->dbgfs_op_mode = NULL;
1190 #endif
1191 }
1192 }
1193
1194 /**
1195 * iwl_req_fw_callback - callback when firmware was loaded
1196 *
1197 * If loaded successfully, copies the firmware into buffers
1198 * for the card to fetch (via DMA).
1199 */
1200 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1201 {
1202 struct iwl_drv *drv = context;
1203 struct iwl_fw *fw = &drv->fw;
1204 struct iwl_ucode_header *ucode;
1205 struct iwlwifi_opmode_table *op;
1206 int err;
1207 struct iwl_firmware_pieces *pieces;
1208 const unsigned int api_max = drv->cfg->ucode_api_max;
1209 unsigned int api_ok = drv->cfg->ucode_api_ok;
1210 const unsigned int api_min = drv->cfg->ucode_api_min;
1211 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1212 u32 api_ver;
1213 int i;
1214 bool load_module = false;
1215 bool usniffer_images = false;
1216
1217 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1218 fw->ucode_capa.standard_phy_calibration_size =
1219 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1220 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1221
1222 if (!api_ok)
1223 api_ok = api_max;
1224
1225 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1226 if (!pieces)
1227 return;
1228
1229 if (!ucode_raw) {
1230 if (drv->fw_index <= api_ok)
1231 IWL_ERR(drv,
1232 "request for firmware file '%s' failed.\n",
1233 drv->firmware_name);
1234 goto try_again;
1235 }
1236
1237 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1238 drv->firmware_name, ucode_raw->size);
1239
1240 /* Make sure that we got at least the API version number */
1241 if (ucode_raw->size < 4) {
1242 IWL_ERR(drv, "File size way too small!\n");
1243 goto try_again;
1244 }
1245
1246 /* Data from ucode file: header followed by uCode images */
1247 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1248
1249 if (ucode->ver)
1250 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1251 else
1252 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1253 &fw->ucode_capa, &usniffer_images);
1254
1255 if (err)
1256 goto try_again;
1257
1258 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1259 api_ver = drv->fw.ucode_ver;
1260 else
1261 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1262
1263 /*
1264 * api_ver should match the api version forming part of the
1265 * firmware filename ... but we don't check for that and only rely
1266 * on the API version read from firmware header from here on forward
1267 */
1268 /* no api version check required for experimental uCode */
1269 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
1270 if (api_ver < api_min || api_ver > api_max) {
1271 IWL_ERR(drv,
1272 "Driver unable to support your firmware API. "
1273 "Driver supports v%u, firmware is v%u.\n",
1274 api_max, api_ver);
1275 goto try_again;
1276 }
1277
1278 if (api_ver < api_ok) {
1279 if (api_ok != api_max)
1280 IWL_ERR(drv, "Firmware has old API version, "
1281 "expected v%u through v%u, got v%u.\n",
1282 api_ok, api_max, api_ver);
1283 else
1284 IWL_ERR(drv, "Firmware has old API version, "
1285 "expected v%u, got v%u.\n",
1286 api_max, api_ver);
1287 IWL_ERR(drv, "New firmware can be obtained from "
1288 "http://www.intellinuxwireless.org/.\n");
1289 }
1290 }
1291
1292 /*
1293 * In mvm uCode there is no difference between data and instructions
1294 * sections.
1295 */
1296 if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
1297 goto try_again;
1298
1299 /* Allocate ucode buffers for card's bus-master loading ... */
1300
1301 /* Runtime instructions and 2 copies of data:
1302 * 1) unmodified from disk
1303 * 2) backup cache for save/restore during power-downs */
1304 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1305 if (iwl_alloc_ucode(drv, pieces, i))
1306 goto out_free_fw;
1307
1308 if (pieces->dbg_dest_tlv) {
1309 drv->fw.dbg_dest_tlv =
1310 kmemdup(pieces->dbg_dest_tlv,
1311 sizeof(*pieces->dbg_dest_tlv) +
1312 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1313 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1314
1315 if (!drv->fw.dbg_dest_tlv)
1316 goto out_free_fw;
1317 }
1318
1319 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1320 if (pieces->dbg_conf_tlv[i]) {
1321 drv->fw.dbg_conf_tlv_len[i] =
1322 pieces->dbg_conf_tlv_len[i];
1323 drv->fw.dbg_conf_tlv[i] =
1324 kmemdup(pieces->dbg_conf_tlv[i],
1325 drv->fw.dbg_conf_tlv_len[i],
1326 GFP_KERNEL);
1327 if (!drv->fw.dbg_conf_tlv[i])
1328 goto out_free_fw;
1329 }
1330 }
1331
1332 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1333
1334 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1335 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1336 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1337 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1338 sizeof(struct iwl_fw_dbg_trigger_cmd);
1339 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1340 sizeof(struct iwl_fw_dbg_trigger_mlme);
1341 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1342 sizeof(struct iwl_fw_dbg_trigger_stats);
1343 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1344 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1345 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1346 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1347 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1348 sizeof(struct iwl_fw_dbg_trigger_time_event);
1349 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1350 sizeof(struct iwl_fw_dbg_trigger_ba);
1351 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1352 sizeof(struct iwl_fw_dbg_trigger_tdls);
1353
1354 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1355 if (pieces->dbg_trigger_tlv[i]) {
1356 /*
1357 * If the trigger isn't long enough, WARN and exit.
1358 * Someone is trying to debug something and he won't
1359 * be able to catch the bug he is trying to chase.
1360 * We'd better be noisy to be sure he knows what's
1361 * going on.
1362 */
1363 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1364 (trigger_tlv_sz[i] +
1365 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1366 goto out_free_fw;
1367 drv->fw.dbg_trigger_tlv_len[i] =
1368 pieces->dbg_trigger_tlv_len[i];
1369 drv->fw.dbg_trigger_tlv[i] =
1370 kmemdup(pieces->dbg_trigger_tlv[i],
1371 drv->fw.dbg_trigger_tlv_len[i],
1372 GFP_KERNEL);
1373 if (!drv->fw.dbg_trigger_tlv[i])
1374 goto out_free_fw;
1375 }
1376 }
1377
1378 /* Now that we can no longer fail, copy information */
1379
1380 /*
1381 * The (size - 16) / 12 formula is based on the information recorded
1382 * for each event, which is of mode 1 (including timestamp) for all
1383 * new microcodes that include this information.
1384 */
1385 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1386 if (pieces->init_evtlog_size)
1387 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1388 else
1389 fw->init_evtlog_size =
1390 drv->cfg->base_params->max_event_log_size;
1391 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1392 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1393 if (pieces->inst_evtlog_size)
1394 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1395 else
1396 fw->inst_evtlog_size =
1397 drv->cfg->base_params->max_event_log_size;
1398 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1399
1400 /*
1401 * figure out the offset of chain noise reset and gain commands
1402 * base on the size of standard phy calibration commands table size
1403 */
1404 if (fw->ucode_capa.standard_phy_calibration_size >
1405 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1406 fw->ucode_capa.standard_phy_calibration_size =
1407 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1408
1409 /* We have our copies now, allow OS release its copies */
1410 release_firmware(ucode_raw);
1411
1412 mutex_lock(&iwlwifi_opmode_table_mtx);
1413 if (fw->mvm_fw)
1414 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1415 else
1416 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1417
1418 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1419 drv->fw.fw_version, op->name);
1420
1421 /* add this device to the list of devices using this op_mode */
1422 list_add_tail(&drv->list, &op->drv);
1423
1424 if (op->ops) {
1425 drv->op_mode = _iwl_op_mode_start(drv, op);
1426
1427 if (!drv->op_mode) {
1428 mutex_unlock(&iwlwifi_opmode_table_mtx);
1429 goto out_unbind;
1430 }
1431 } else {
1432 load_module = true;
1433 }
1434 mutex_unlock(&iwlwifi_opmode_table_mtx);
1435
1436 /*
1437 * Complete the firmware request last so that
1438 * a driver unbind (stop) doesn't run while we
1439 * are doing the start() above.
1440 */
1441 complete(&drv->request_firmware_complete);
1442
1443 /*
1444 * Load the module last so we don't block anything
1445 * else from proceeding if the module fails to load
1446 * or hangs loading.
1447 */
1448 if (load_module) {
1449 err = request_module("%s", op->name);
1450 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1451 if (err)
1452 IWL_ERR(drv,
1453 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1454 op->name, err);
1455 #endif
1456 }
1457 kfree(pieces);
1458 return;
1459
1460 try_again:
1461 /* try next, if any */
1462 release_firmware(ucode_raw);
1463 if (iwl_request_firmware(drv, false))
1464 goto out_unbind;
1465 kfree(pieces);
1466 return;
1467
1468 out_free_fw:
1469 IWL_ERR(drv, "failed to allocate pci memory\n");
1470 iwl_dealloc_ucode(drv);
1471 release_firmware(ucode_raw);
1472 out_unbind:
1473 kfree(pieces);
1474 complete(&drv->request_firmware_complete);
1475 device_release_driver(drv->trans->dev);
1476 }
1477
1478 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1479 const struct iwl_cfg *cfg)
1480 {
1481 struct iwl_drv *drv;
1482 int ret;
1483
1484 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1485 if (!drv) {
1486 ret = -ENOMEM;
1487 goto err;
1488 }
1489
1490 drv->trans = trans;
1491 drv->dev = trans->dev;
1492 drv->cfg = cfg;
1493
1494 init_completion(&drv->request_firmware_complete);
1495 INIT_LIST_HEAD(&drv->list);
1496
1497 #ifdef CONFIG_IWLWIFI_DEBUGFS
1498 /* Create the device debugfs entries. */
1499 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1500 iwl_dbgfs_root);
1501
1502 if (!drv->dbgfs_drv) {
1503 IWL_ERR(drv, "failed to create debugfs directory\n");
1504 ret = -ENOMEM;
1505 goto err_free_drv;
1506 }
1507
1508 /* Create transport layer debugfs dir */
1509 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1510
1511 if (!drv->trans->dbgfs_dir) {
1512 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1513 ret = -ENOMEM;
1514 goto err_free_dbgfs;
1515 }
1516 #endif
1517
1518 ret = iwl_request_firmware(drv, true);
1519 if (ret) {
1520 IWL_ERR(trans, "Couldn't request the fw\n");
1521 goto err_fw;
1522 }
1523
1524 return drv;
1525
1526 err_fw:
1527 #ifdef CONFIG_IWLWIFI_DEBUGFS
1528 err_free_dbgfs:
1529 debugfs_remove_recursive(drv->dbgfs_drv);
1530 err_free_drv:
1531 #endif
1532 kfree(drv);
1533 err:
1534 return ERR_PTR(ret);
1535 }
1536
1537 void iwl_drv_stop(struct iwl_drv *drv)
1538 {
1539 wait_for_completion(&drv->request_firmware_complete);
1540
1541 _iwl_op_mode_stop(drv);
1542
1543 iwl_dealloc_ucode(drv);
1544
1545 mutex_lock(&iwlwifi_opmode_table_mtx);
1546 /*
1547 * List is empty (this item wasn't added)
1548 * when firmware loading failed -- in that
1549 * case we can't remove it from any list.
1550 */
1551 if (!list_empty(&drv->list))
1552 list_del(&drv->list);
1553 mutex_unlock(&iwlwifi_opmode_table_mtx);
1554
1555 #ifdef CONFIG_IWLWIFI_DEBUGFS
1556 debugfs_remove_recursive(drv->dbgfs_drv);
1557 #endif
1558
1559 kfree(drv);
1560 }
1561
1562
1563 /* shared module parameters */
1564 struct iwl_mod_params iwlwifi_mod_params = {
1565 .restart_fw = true,
1566 .bt_coex_active = true,
1567 .power_level = IWL_POWER_INDEX_1,
1568 .d0i3_disable = true,
1569 .d0i3_entry_delay = 1000,
1570 #ifndef CONFIG_IWLWIFI_UAPSD
1571 .uapsd_disable = true,
1572 #endif /* CONFIG_IWLWIFI_UAPSD */
1573 /* the rest are 0 by default */
1574 };
1575 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1576
1577 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1578 {
1579 int i;
1580 struct iwl_drv *drv;
1581 struct iwlwifi_opmode_table *op;
1582
1583 mutex_lock(&iwlwifi_opmode_table_mtx);
1584 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1585 op = &iwlwifi_opmode_table[i];
1586 if (strcmp(op->name, name))
1587 continue;
1588 op->ops = ops;
1589 /* TODO: need to handle exceptional case */
1590 list_for_each_entry(drv, &op->drv, list)
1591 drv->op_mode = _iwl_op_mode_start(drv, op);
1592
1593 mutex_unlock(&iwlwifi_opmode_table_mtx);
1594 return 0;
1595 }
1596 mutex_unlock(&iwlwifi_opmode_table_mtx);
1597 return -EIO;
1598 }
1599 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1600
1601 void iwl_opmode_deregister(const char *name)
1602 {
1603 int i;
1604 struct iwl_drv *drv;
1605
1606 mutex_lock(&iwlwifi_opmode_table_mtx);
1607 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1608 if (strcmp(iwlwifi_opmode_table[i].name, name))
1609 continue;
1610 iwlwifi_opmode_table[i].ops = NULL;
1611
1612 /* call the stop routine for all devices */
1613 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1614 _iwl_op_mode_stop(drv);
1615
1616 mutex_unlock(&iwlwifi_opmode_table_mtx);
1617 return;
1618 }
1619 mutex_unlock(&iwlwifi_opmode_table_mtx);
1620 }
1621 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1622
1623 static int __init iwl_drv_init(void)
1624 {
1625 int i;
1626
1627 mutex_init(&iwlwifi_opmode_table_mtx);
1628
1629 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1630 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1631
1632 pr_info(DRV_DESCRIPTION "\n");
1633 pr_info(DRV_COPYRIGHT "\n");
1634
1635 #ifdef CONFIG_IWLWIFI_DEBUGFS
1636 /* Create the root of iwlwifi debugfs subsystem. */
1637 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1638
1639 if (!iwl_dbgfs_root)
1640 return -EFAULT;
1641 #endif
1642
1643 return iwl_pci_register_driver();
1644 }
1645 module_init(iwl_drv_init);
1646
1647 static void __exit iwl_drv_exit(void)
1648 {
1649 iwl_pci_unregister_driver();
1650
1651 #ifdef CONFIG_IWLWIFI_DEBUGFS
1652 debugfs_remove_recursive(iwl_dbgfs_root);
1653 #endif
1654 }
1655 module_exit(iwl_drv_exit);
1656
1657 #ifdef CONFIG_IWLWIFI_DEBUG
1658 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1659 S_IRUGO | S_IWUSR);
1660 MODULE_PARM_DESC(debug, "debug output mask");
1661 #endif
1662
1663 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1664 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1665 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1666 MODULE_PARM_DESC(11n_disable,
1667 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1668 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size,
1669 int, S_IRUGO);
1670 MODULE_PARM_DESC(amsdu_size, "amsdu size 0:4K 1:8K 2:12K (default 0)");
1671 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1672 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1673
1674 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1675 int, S_IRUGO);
1676 MODULE_PARM_DESC(antenna_coupling,
1677 "specify antenna coupling in dB (default: 0 dB)");
1678
1679 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1680 MODULE_PARM_DESC(nvm_file, "NVM file name");
1681
1682 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1683 bool, S_IRUGO);
1684 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1685
1686 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1687 bool, S_IRUGO);
1688 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1689
1690 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1691 bool, S_IRUGO | S_IWUSR);
1692 #ifdef CONFIG_IWLWIFI_UAPSD
1693 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)");
1694 #else
1695 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)");
1696 #endif
1697
1698 /*
1699 * set bt_coex_active to true, uCode will do kill/defer
1700 * every time the priority line is asserted (BT is sending signals on the
1701 * priority line in the PCIx).
1702 * set bt_coex_active to false, uCode will ignore the BT activity and
1703 * perform the normal operation
1704 *
1705 * User might experience transmit issue on some platform due to WiFi/BT
1706 * co-exist problem. The possible behaviors are:
1707 * Able to scan and finding all the available AP
1708 * Not able to associate with any AP
1709 * On those platforms, WiFi communication can be restored by set
1710 * "bt_coex_active" module parameter to "false"
1711 *
1712 * default: bt_coex_active = true (BT_COEX_ENABLE)
1713 */
1714 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1715 bool, S_IRUGO);
1716 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1717
1718 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1719 MODULE_PARM_DESC(led_mode, "0=system default, "
1720 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1721
1722 module_param_named(power_save, iwlwifi_mod_params.power_save,
1723 bool, S_IRUGO);
1724 MODULE_PARM_DESC(power_save,
1725 "enable WiFi power management (default: disable)");
1726
1727 module_param_named(power_level, iwlwifi_mod_params.power_level,
1728 int, S_IRUGO);
1729 MODULE_PARM_DESC(power_level,
1730 "default power save level (range from 1 - 5, default: 1)");
1731
1732 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1733 MODULE_PARM_DESC(fw_monitor,
1734 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1735
1736 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay,
1737 uint, S_IRUGO);
1738 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
1739
1740 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool,
1741 S_IRUGO);
1742 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities");
Linux kernel - Deliverables
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