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[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 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 #define UCODE_EXPERIMENTAL_INDEX 100
215 #define UCODE_EXPERIMENTAL_TAG "exp"
216
217 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
218 {
219 const char *name_pre = drv->cfg->fw_name_pre;
220 char tag[8];
221
222 if (first) {
223 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
224 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
225 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
226 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
227 #endif
228 drv->fw_index = drv->cfg->ucode_api_max;
229 sprintf(tag, "%d", drv->fw_index);
230 } else {
231 drv->fw_index--;
232 sprintf(tag, "%d", drv->fw_index);
233 }
234
235 if (drv->fw_index < drv->cfg->ucode_api_min) {
236 IWL_ERR(drv, "no suitable firmware found!\n");
237 return -ENOENT;
238 }
239
240 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
241 name_pre, tag);
242
243 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
244 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
245 ? "EXPERIMENTAL " : "",
246 drv->firmware_name);
247
248 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
249 drv->trans->dev,
250 GFP_KERNEL, drv, iwl_req_fw_callback);
251 }
252
253 struct fw_img_parsing {
254 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
255 int sec_counter;
256 };
257
258 /*
259 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
260 */
261 struct fw_sec_parsing {
262 __le32 offset;
263 const u8 data[];
264 } __packed;
265
266 /**
267 * struct iwl_tlv_calib_data - parse the default calib data from TLV
268 *
269 * @ucode_type: the uCode to which the following default calib relates.
270 * @calib: default calibrations.
271 */
272 struct iwl_tlv_calib_data {
273 __le32 ucode_type;
274 struct iwl_tlv_calib_ctrl calib;
275 } __packed;
276
277 struct iwl_firmware_pieces {
278 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
279
280 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
281 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
282
283 /* FW debug data parsed for driver usage */
284 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
285 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
286 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
287 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
288 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
289 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv[FW_DBG_MEM_MAX];
290 };
291
292 /*
293 * These functions are just to extract uCode section data from the pieces
294 * structure.
295 */
296 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
297 enum iwl_ucode_type type,
298 int sec)
299 {
300 return &pieces->img[type].sec[sec];
301 }
302
303 static void set_sec_data(struct iwl_firmware_pieces *pieces,
304 enum iwl_ucode_type type,
305 int sec,
306 const void *data)
307 {
308 pieces->img[type].sec[sec].data = data;
309 }
310
311 static void set_sec_size(struct iwl_firmware_pieces *pieces,
312 enum iwl_ucode_type type,
313 int sec,
314 size_t size)
315 {
316 pieces->img[type].sec[sec].size = size;
317 }
318
319 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
320 enum iwl_ucode_type type,
321 int sec)
322 {
323 return pieces->img[type].sec[sec].size;
324 }
325
326 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
327 enum iwl_ucode_type type,
328 int sec,
329 u32 offset)
330 {
331 pieces->img[type].sec[sec].offset = offset;
332 }
333
334 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
335 {
336 int i, j;
337 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
338 struct iwl_fw_cipher_scheme *fwcs;
339 struct ieee80211_cipher_scheme *cs;
340 u32 cipher;
341
342 if (len < sizeof(*l) ||
343 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
344 return -EINVAL;
345
346 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
347 fwcs = &l->cs[j];
348 cipher = le32_to_cpu(fwcs->cipher);
349
350 /* we skip schemes with zero cipher suite selector */
351 if (!cipher)
352 continue;
353
354 cs = &fw->cs[j++];
355 cs->cipher = cipher;
356 cs->iftype = BIT(NL80211_IFTYPE_STATION);
357 cs->hdr_len = fwcs->hdr_len;
358 cs->pn_len = fwcs->pn_len;
359 cs->pn_off = fwcs->pn_off;
360 cs->key_idx_off = fwcs->key_idx_off;
361 cs->key_idx_mask = fwcs->key_idx_mask;
362 cs->key_idx_shift = fwcs->key_idx_shift;
363 cs->mic_len = fwcs->mic_len;
364 }
365
366 return 0;
367 }
368
369 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
370 const u32 len)
371 {
372 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
373 struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
374
375 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
376 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
377 capa->max_ap_cache_per_scan =
378 le32_to_cpu(fw_capa->max_ap_cache_per_scan);
379 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
380 capa->max_scan_reporting_threshold =
381 le32_to_cpu(fw_capa->max_scan_reporting_threshold);
382 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
383 capa->max_significant_change_aps =
384 le32_to_cpu(fw_capa->max_significant_change_aps);
385 capa->max_bssid_history_entries =
386 le32_to_cpu(fw_capa->max_bssid_history_entries);
387 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids);
388 capa->max_number_epno_networks =
389 le32_to_cpu(fw_capa->max_number_epno_networks);
390 capa->max_number_epno_networks_by_ssid =
391 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid);
392 capa->max_number_of_white_listed_ssid =
393 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid);
394 capa->max_number_of_black_listed_ssid =
395 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid);
396 }
397
398 /*
399 * Gets uCode section from tlv.
400 */
401 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
402 const void *data, enum iwl_ucode_type type,
403 int size)
404 {
405 struct fw_img_parsing *img;
406 struct fw_sec *sec;
407 struct fw_sec_parsing *sec_parse;
408
409 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
410 return -1;
411
412 sec_parse = (struct fw_sec_parsing *)data;
413
414 img = &pieces->img[type];
415 sec = &img->sec[img->sec_counter];
416
417 sec->offset = le32_to_cpu(sec_parse->offset);
418 sec->data = sec_parse->data;
419 sec->size = size - sizeof(sec_parse->offset);
420
421 ++img->sec_counter;
422
423 return 0;
424 }
425
426 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
427 {
428 struct iwl_tlv_calib_data *def_calib =
429 (struct iwl_tlv_calib_data *)data;
430 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
431 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
432 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
433 ucode_type);
434 return -EINVAL;
435 }
436 drv->fw.default_calib[ucode_type].flow_trigger =
437 def_calib->calib.flow_trigger;
438 drv->fw.default_calib[ucode_type].event_trigger =
439 def_calib->calib.event_trigger;
440
441 return 0;
442 }
443
444 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
445 struct iwl_ucode_capabilities *capa)
446 {
447 const struct iwl_ucode_api *ucode_api = (void *)data;
448 u32 api_index = le32_to_cpu(ucode_api->api_index);
449 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
450 int i;
451
452 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
453 IWL_ERR(drv,
454 "api flags index %d larger than supported by driver\n",
455 api_index);
456 /* don't return an error so we can load FW that has more bits */
457 return 0;
458 }
459
460 for (i = 0; i < 32; i++) {
461 if (api_flags & BIT(i))
462 __set_bit(i + 32 * api_index, capa->_api);
463 }
464
465 return 0;
466 }
467
468 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
469 struct iwl_ucode_capabilities *capa)
470 {
471 const struct iwl_ucode_capa *ucode_capa = (void *)data;
472 u32 api_index = le32_to_cpu(ucode_capa->api_index);
473 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
474 int i;
475
476 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
477 IWL_ERR(drv,
478 "capa flags index %d larger than supported by driver\n",
479 api_index);
480 /* don't return an error so we can load FW that has more bits */
481 return 0;
482 }
483
484 for (i = 0; i < 32; i++) {
485 if (api_flags & BIT(i))
486 __set_bit(i + 32 * api_index, capa->_capa);
487 }
488
489 return 0;
490 }
491
492 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
493 const struct firmware *ucode_raw,
494 struct iwl_firmware_pieces *pieces)
495 {
496 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
497 u32 api_ver, hdr_size, build;
498 char buildstr[25];
499 const u8 *src;
500
501 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
502 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
503
504 switch (api_ver) {
505 default:
506 hdr_size = 28;
507 if (ucode_raw->size < hdr_size) {
508 IWL_ERR(drv, "File size too small!\n");
509 return -EINVAL;
510 }
511 build = le32_to_cpu(ucode->u.v2.build);
512 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
513 le32_to_cpu(ucode->u.v2.inst_size));
514 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
515 le32_to_cpu(ucode->u.v2.data_size));
516 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
517 le32_to_cpu(ucode->u.v2.init_size));
518 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
519 le32_to_cpu(ucode->u.v2.init_data_size));
520 src = ucode->u.v2.data;
521 break;
522 case 0:
523 case 1:
524 case 2:
525 hdr_size = 24;
526 if (ucode_raw->size < hdr_size) {
527 IWL_ERR(drv, "File size too small!\n");
528 return -EINVAL;
529 }
530 build = 0;
531 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
532 le32_to_cpu(ucode->u.v1.inst_size));
533 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
534 le32_to_cpu(ucode->u.v1.data_size));
535 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
536 le32_to_cpu(ucode->u.v1.init_size));
537 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
538 le32_to_cpu(ucode->u.v1.init_data_size));
539 src = ucode->u.v1.data;
540 break;
541 }
542
543 if (build)
544 sprintf(buildstr, " build %u%s", build,
545 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
546 ? " (EXP)" : "");
547 else
548 buildstr[0] = '\0';
549
550 snprintf(drv->fw.fw_version,
551 sizeof(drv->fw.fw_version),
552 "%u.%u.%u.%u%s",
553 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
554 IWL_UCODE_MINOR(drv->fw.ucode_ver),
555 IWL_UCODE_API(drv->fw.ucode_ver),
556 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
557 buildstr);
558
559 /* Verify size of file vs. image size info in file's header */
560
561 if (ucode_raw->size != hdr_size +
562 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
563 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
564 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
565 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
566
567 IWL_ERR(drv,
568 "uCode file size %d does not match expected size\n",
569 (int)ucode_raw->size);
570 return -EINVAL;
571 }
572
573
574 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
575 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
576 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
577 IWLAGN_RTC_INST_LOWER_BOUND);
578 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
579 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
580 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
581 IWLAGN_RTC_DATA_LOWER_BOUND);
582 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
583 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
584 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
585 IWLAGN_RTC_INST_LOWER_BOUND);
586 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
587 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
588 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
589 IWLAGN_RTC_DATA_LOWER_BOUND);
590 return 0;
591 }
592
593 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
594 const struct firmware *ucode_raw,
595 struct iwl_firmware_pieces *pieces,
596 struct iwl_ucode_capabilities *capa,
597 bool *usniffer_images)
598 {
599 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
600 struct iwl_ucode_tlv *tlv;
601 size_t len = ucode_raw->size;
602 const u8 *data;
603 u32 tlv_len;
604 u32 usniffer_img;
605 enum iwl_ucode_tlv_type tlv_type;
606 const u8 *tlv_data;
607 char buildstr[25];
608 u32 build, paging_mem_size;
609 int num_of_cpus;
610 bool usniffer_req = false;
611 bool gscan_capa = false;
612
613 if (len < sizeof(*ucode)) {
614 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
615 return -EINVAL;
616 }
617
618 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
619 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
620 le32_to_cpu(ucode->magic));
621 return -EINVAL;
622 }
623
624 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
625 memcpy(drv->fw.human_readable, ucode->human_readable,
626 sizeof(drv->fw.human_readable));
627 build = le32_to_cpu(ucode->build);
628
629 if (build)
630 sprintf(buildstr, " build %u%s", build,
631 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
632 ? " (EXP)" : "");
633 else
634 buildstr[0] = '\0';
635
636 snprintf(drv->fw.fw_version,
637 sizeof(drv->fw.fw_version),
638 "%u.%u.%u.%u%s",
639 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
640 IWL_UCODE_MINOR(drv->fw.ucode_ver),
641 IWL_UCODE_API(drv->fw.ucode_ver),
642 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
643 buildstr);
644
645 data = ucode->data;
646
647 len -= sizeof(*ucode);
648
649 while (len >= sizeof(*tlv)) {
650 len -= sizeof(*tlv);
651 tlv = (void *)data;
652
653 tlv_len = le32_to_cpu(tlv->length);
654 tlv_type = le32_to_cpu(tlv->type);
655 tlv_data = tlv->data;
656
657 if (len < tlv_len) {
658 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
659 len, tlv_len);
660 return -EINVAL;
661 }
662 len -= ALIGN(tlv_len, 4);
663 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
664
665 switch (tlv_type) {
666 case IWL_UCODE_TLV_INST:
667 set_sec_data(pieces, IWL_UCODE_REGULAR,
668 IWL_UCODE_SECTION_INST, tlv_data);
669 set_sec_size(pieces, IWL_UCODE_REGULAR,
670 IWL_UCODE_SECTION_INST, tlv_len);
671 set_sec_offset(pieces, IWL_UCODE_REGULAR,
672 IWL_UCODE_SECTION_INST,
673 IWLAGN_RTC_INST_LOWER_BOUND);
674 break;
675 case IWL_UCODE_TLV_DATA:
676 set_sec_data(pieces, IWL_UCODE_REGULAR,
677 IWL_UCODE_SECTION_DATA, tlv_data);
678 set_sec_size(pieces, IWL_UCODE_REGULAR,
679 IWL_UCODE_SECTION_DATA, tlv_len);
680 set_sec_offset(pieces, IWL_UCODE_REGULAR,
681 IWL_UCODE_SECTION_DATA,
682 IWLAGN_RTC_DATA_LOWER_BOUND);
683 break;
684 case IWL_UCODE_TLV_INIT:
685 set_sec_data(pieces, IWL_UCODE_INIT,
686 IWL_UCODE_SECTION_INST, tlv_data);
687 set_sec_size(pieces, IWL_UCODE_INIT,
688 IWL_UCODE_SECTION_INST, tlv_len);
689 set_sec_offset(pieces, IWL_UCODE_INIT,
690 IWL_UCODE_SECTION_INST,
691 IWLAGN_RTC_INST_LOWER_BOUND);
692 break;
693 case IWL_UCODE_TLV_INIT_DATA:
694 set_sec_data(pieces, IWL_UCODE_INIT,
695 IWL_UCODE_SECTION_DATA, tlv_data);
696 set_sec_size(pieces, IWL_UCODE_INIT,
697 IWL_UCODE_SECTION_DATA, tlv_len);
698 set_sec_offset(pieces, IWL_UCODE_INIT,
699 IWL_UCODE_SECTION_DATA,
700 IWLAGN_RTC_DATA_LOWER_BOUND);
701 break;
702 case IWL_UCODE_TLV_BOOT:
703 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
704 break;
705 case IWL_UCODE_TLV_PROBE_MAX_LEN:
706 if (tlv_len != sizeof(u32))
707 goto invalid_tlv_len;
708 capa->max_probe_length =
709 le32_to_cpup((__le32 *)tlv_data);
710 break;
711 case IWL_UCODE_TLV_PAN:
712 if (tlv_len)
713 goto invalid_tlv_len;
714 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
715 break;
716 case IWL_UCODE_TLV_FLAGS:
717 /* must be at least one u32 */
718 if (tlv_len < sizeof(u32))
719 goto invalid_tlv_len;
720 /* and a proper number of u32s */
721 if (tlv_len % sizeof(u32))
722 goto invalid_tlv_len;
723 /*
724 * This driver only reads the first u32 as
725 * right now no more features are defined,
726 * if that changes then either the driver
727 * will not work with the new firmware, or
728 * it'll not take advantage of new features.
729 */
730 capa->flags = le32_to_cpup((__le32 *)tlv_data);
731 break;
732 case IWL_UCODE_TLV_API_CHANGES_SET:
733 if (tlv_len != sizeof(struct iwl_ucode_api))
734 goto invalid_tlv_len;
735 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
736 goto tlv_error;
737 break;
738 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
739 if (tlv_len != sizeof(struct iwl_ucode_capa))
740 goto invalid_tlv_len;
741 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
742 goto tlv_error;
743 break;
744 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
745 if (tlv_len != sizeof(u32))
746 goto invalid_tlv_len;
747 pieces->init_evtlog_ptr =
748 le32_to_cpup((__le32 *)tlv_data);
749 break;
750 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
751 if (tlv_len != sizeof(u32))
752 goto invalid_tlv_len;
753 pieces->init_evtlog_size =
754 le32_to_cpup((__le32 *)tlv_data);
755 break;
756 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
757 if (tlv_len != sizeof(u32))
758 goto invalid_tlv_len;
759 pieces->init_errlog_ptr =
760 le32_to_cpup((__le32 *)tlv_data);
761 break;
762 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
763 if (tlv_len != sizeof(u32))
764 goto invalid_tlv_len;
765 pieces->inst_evtlog_ptr =
766 le32_to_cpup((__le32 *)tlv_data);
767 break;
768 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
769 if (tlv_len != sizeof(u32))
770 goto invalid_tlv_len;
771 pieces->inst_evtlog_size =
772 le32_to_cpup((__le32 *)tlv_data);
773 break;
774 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
775 if (tlv_len != sizeof(u32))
776 goto invalid_tlv_len;
777 pieces->inst_errlog_ptr =
778 le32_to_cpup((__le32 *)tlv_data);
779 break;
780 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
781 if (tlv_len)
782 goto invalid_tlv_len;
783 drv->fw.enhance_sensitivity_table = true;
784 break;
785 case IWL_UCODE_TLV_WOWLAN_INST:
786 set_sec_data(pieces, IWL_UCODE_WOWLAN,
787 IWL_UCODE_SECTION_INST, tlv_data);
788 set_sec_size(pieces, IWL_UCODE_WOWLAN,
789 IWL_UCODE_SECTION_INST, tlv_len);
790 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
791 IWL_UCODE_SECTION_INST,
792 IWLAGN_RTC_INST_LOWER_BOUND);
793 break;
794 case IWL_UCODE_TLV_WOWLAN_DATA:
795 set_sec_data(pieces, IWL_UCODE_WOWLAN,
796 IWL_UCODE_SECTION_DATA, tlv_data);
797 set_sec_size(pieces, IWL_UCODE_WOWLAN,
798 IWL_UCODE_SECTION_DATA, tlv_len);
799 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
800 IWL_UCODE_SECTION_DATA,
801 IWLAGN_RTC_DATA_LOWER_BOUND);
802 break;
803 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
804 if (tlv_len != sizeof(u32))
805 goto invalid_tlv_len;
806 capa->standard_phy_calibration_size =
807 le32_to_cpup((__le32 *)tlv_data);
808 break;
809 case IWL_UCODE_TLV_SEC_RT:
810 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
811 tlv_len);
812 drv->fw.mvm_fw = true;
813 break;
814 case IWL_UCODE_TLV_SEC_INIT:
815 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
816 tlv_len);
817 drv->fw.mvm_fw = true;
818 break;
819 case IWL_UCODE_TLV_SEC_WOWLAN:
820 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
821 tlv_len);
822 drv->fw.mvm_fw = true;
823 break;
824 case IWL_UCODE_TLV_DEF_CALIB:
825 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
826 goto invalid_tlv_len;
827 if (iwl_set_default_calib(drv, tlv_data))
828 goto tlv_error;
829 break;
830 case IWL_UCODE_TLV_PHY_SKU:
831 if (tlv_len != sizeof(u32))
832 goto invalid_tlv_len;
833 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
834 drv->fw.valid_tx_ant = (drv->fw.phy_config &
835 FW_PHY_CFG_TX_CHAIN) >>
836 FW_PHY_CFG_TX_CHAIN_POS;
837 drv->fw.valid_rx_ant = (drv->fw.phy_config &
838 FW_PHY_CFG_RX_CHAIN) >>
839 FW_PHY_CFG_RX_CHAIN_POS;
840 break;
841 case IWL_UCODE_TLV_SECURE_SEC_RT:
842 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
843 tlv_len);
844 drv->fw.mvm_fw = true;
845 break;
846 case IWL_UCODE_TLV_SECURE_SEC_INIT:
847 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
848 tlv_len);
849 drv->fw.mvm_fw = true;
850 break;
851 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
852 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
853 tlv_len);
854 drv->fw.mvm_fw = true;
855 break;
856 case IWL_UCODE_TLV_NUM_OF_CPU:
857 if (tlv_len != sizeof(u32))
858 goto invalid_tlv_len;
859 num_of_cpus =
860 le32_to_cpup((__le32 *)tlv_data);
861
862 if (num_of_cpus == 2) {
863 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
864 true;
865 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
866 true;
867 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
868 true;
869 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
870 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
871 return -EINVAL;
872 }
873 break;
874 case IWL_UCODE_TLV_CSCHEME:
875 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
876 goto invalid_tlv_len;
877 break;
878 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
879 if (tlv_len != sizeof(u32))
880 goto invalid_tlv_len;
881 capa->n_scan_channels =
882 le32_to_cpup((__le32 *)tlv_data);
883 break;
884 case IWL_UCODE_TLV_FW_VERSION: {
885 __le32 *ptr = (void *)tlv_data;
886 u32 major, minor;
887 u8 local_comp;
888
889 if (tlv_len != sizeof(u32) * 3)
890 goto invalid_tlv_len;
891
892 major = le32_to_cpup(ptr++);
893 minor = le32_to_cpup(ptr++);
894 local_comp = le32_to_cpup(ptr);
895
896 snprintf(drv->fw.fw_version,
897 sizeof(drv->fw.fw_version), "%u.%u.%u",
898 major, minor, local_comp);
899 break;
900 }
901 case IWL_UCODE_TLV_FW_DBG_DEST: {
902 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
903
904 if (pieces->dbg_dest_tlv) {
905 IWL_ERR(drv,
906 "dbg destination ignored, already exists\n");
907 break;
908 }
909
910 pieces->dbg_dest_tlv = dest;
911 IWL_INFO(drv, "Found debug destination: %s\n",
912 get_fw_dbg_mode_string(dest->monitor_mode));
913
914 drv->fw.dbg_dest_reg_num =
915 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
916 reg_ops);
917 drv->fw.dbg_dest_reg_num /=
918 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
919
920 break;
921 }
922 case IWL_UCODE_TLV_FW_DBG_CONF: {
923 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
924
925 if (!pieces->dbg_dest_tlv) {
926 IWL_ERR(drv,
927 "Ignore dbg config %d - no destination configured\n",
928 conf->id);
929 break;
930 }
931
932 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
933 IWL_ERR(drv,
934 "Skip unknown configuration: %d\n",
935 conf->id);
936 break;
937 }
938
939 if (pieces->dbg_conf_tlv[conf->id]) {
940 IWL_ERR(drv,
941 "Ignore duplicate dbg config %d\n",
942 conf->id);
943 break;
944 }
945
946 if (conf->usniffer)
947 usniffer_req = true;
948
949 IWL_INFO(drv, "Found debug configuration: %d\n",
950 conf->id);
951
952 pieces->dbg_conf_tlv[conf->id] = conf;
953 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
954 break;
955 }
956 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
957 struct iwl_fw_dbg_trigger_tlv *trigger =
958 (void *)tlv_data;
959 u32 trigger_id = le32_to_cpu(trigger->id);
960
961 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
962 IWL_ERR(drv,
963 "Skip unknown trigger: %u\n",
964 trigger->id);
965 break;
966 }
967
968 if (pieces->dbg_trigger_tlv[trigger_id]) {
969 IWL_ERR(drv,
970 "Ignore duplicate dbg trigger %u\n",
971 trigger->id);
972 break;
973 }
974
975 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
976
977 pieces->dbg_trigger_tlv[trigger_id] = trigger;
978 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
979 break;
980 }
981 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
982 *usniffer_images = true;
983 iwl_store_ucode_sec(pieces, tlv_data,
984 IWL_UCODE_REGULAR_USNIFFER,
985 tlv_len);
986 break;
987 case IWL_UCODE_TLV_PAGING:
988 if (tlv_len != sizeof(u32))
989 goto invalid_tlv_len;
990 paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
991
992 IWL_DEBUG_FW(drv,
993 "Paging: paging enabled (size = %u bytes)\n",
994 paging_mem_size);
995
996 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
997 IWL_ERR(drv,
998 "Paging: driver supports up to %lu bytes for paging image\n",
999 MAX_PAGING_IMAGE_SIZE);
1000 return -EINVAL;
1001 }
1002
1003 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1004 IWL_ERR(drv,
1005 "Paging: image isn't multiple %lu\n",
1006 FW_PAGING_SIZE);
1007 return -EINVAL;
1008 }
1009
1010 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1011 paging_mem_size;
1012 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1013 drv->fw.img[usniffer_img].paging_mem_size =
1014 paging_mem_size;
1015 break;
1016 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
1017 if (tlv_len != sizeof(u32))
1018 goto invalid_tlv_len;
1019 drv->fw.sdio_adma_addr =
1020 le32_to_cpup((__le32 *)tlv_data);
1021 break;
1022 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1023 /*
1024 * Don't return an error in case of a shorter tlv_len
1025 * to enable loading of FW that has an old format
1026 * of GSCAN capabilities TLV.
1027 */
1028 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities))
1029 break;
1030
1031 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len);
1032 gscan_capa = true;
1033 break;
1034 case IWL_UCODE_TLV_FW_MEM_SEG: {
1035 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1036 (void *)tlv_data;
1037 u32 type;
1038
1039 if (tlv_len != (sizeof(*dbg_mem)))
1040 goto invalid_tlv_len;
1041
1042 type = le32_to_cpu(dbg_mem->data_type);
1043 drv->fw.dbg_dynamic_mem = true;
1044
1045 if (type >= ARRAY_SIZE(drv->fw.dbg_mem_tlv)) {
1046 IWL_ERR(drv,
1047 "Skip unknown dbg mem segment: %u\n",
1048 dbg_mem->data_type);
1049 break;
1050 }
1051
1052 if (pieces->dbg_mem_tlv[type]) {
1053 IWL_ERR(drv,
1054 "Ignore duplicate mem segment: %u\n",
1055 dbg_mem->data_type);
1056 break;
1057 }
1058
1059 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1060 dbg_mem->data_type);
1061
1062 pieces->dbg_mem_tlv[type] = dbg_mem;
1063 break;
1064 }
1065 default:
1066 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1067 break;
1068 }
1069 }
1070
1071 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1072 usniffer_req && !*usniffer_images) {
1073 IWL_ERR(drv,
1074 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1075 return -EINVAL;
1076 }
1077
1078 if (len) {
1079 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1080 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1081 return -EINVAL;
1082 }
1083
1084 /*
1085 * If ucode advertises that it supports GSCAN but GSCAN
1086 * capabilities TLV is not present, or if it has an old format,
1087 * warn and continue without GSCAN.
1088 */
1089 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
1090 !gscan_capa) {
1091 IWL_DEBUG_INFO(drv,
1092 "GSCAN is supported but capabilities TLV is unavailable\n");
1093 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
1094 capa->_capa);
1095 }
1096
1097 return 0;
1098
1099 invalid_tlv_len:
1100 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1101 tlv_error:
1102 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1103
1104 return -EINVAL;
1105 }
1106
1107 static int iwl_alloc_ucode(struct iwl_drv *drv,
1108 struct iwl_firmware_pieces *pieces,
1109 enum iwl_ucode_type type)
1110 {
1111 int i;
1112 for (i = 0;
1113 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
1114 i++)
1115 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
1116 get_sec(pieces, type, i)))
1117 return -ENOMEM;
1118 return 0;
1119 }
1120
1121 static int validate_sec_sizes(struct iwl_drv *drv,
1122 struct iwl_firmware_pieces *pieces,
1123 const struct iwl_cfg *cfg)
1124 {
1125 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
1126 get_sec_size(pieces, IWL_UCODE_REGULAR,
1127 IWL_UCODE_SECTION_INST));
1128 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
1129 get_sec_size(pieces, IWL_UCODE_REGULAR,
1130 IWL_UCODE_SECTION_DATA));
1131 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
1132 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1133 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
1134 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1135
1136 /* Verify that uCode images will fit in card's SRAM. */
1137 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1138 cfg->max_inst_size) {
1139 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
1140 get_sec_size(pieces, IWL_UCODE_REGULAR,
1141 IWL_UCODE_SECTION_INST));
1142 return -1;
1143 }
1144
1145 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1146 cfg->max_data_size) {
1147 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
1148 get_sec_size(pieces, IWL_UCODE_REGULAR,
1149 IWL_UCODE_SECTION_DATA));
1150 return -1;
1151 }
1152
1153 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1154 cfg->max_inst_size) {
1155 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
1156 get_sec_size(pieces, IWL_UCODE_INIT,
1157 IWL_UCODE_SECTION_INST));
1158 return -1;
1159 }
1160
1161 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1162 cfg->max_data_size) {
1163 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
1164 get_sec_size(pieces, IWL_UCODE_REGULAR,
1165 IWL_UCODE_SECTION_DATA));
1166 return -1;
1167 }
1168 return 0;
1169 }
1170
1171 static struct iwl_op_mode *
1172 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1173 {
1174 const struct iwl_op_mode_ops *ops = op->ops;
1175 struct dentry *dbgfs_dir = NULL;
1176 struct iwl_op_mode *op_mode = NULL;
1177
1178 #ifdef CONFIG_IWLWIFI_DEBUGFS
1179 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1180 drv->dbgfs_drv);
1181 if (!drv->dbgfs_op_mode) {
1182 IWL_ERR(drv,
1183 "failed to create opmode debugfs directory\n");
1184 return op_mode;
1185 }
1186 dbgfs_dir = drv->dbgfs_op_mode;
1187 #endif
1188
1189 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
1190
1191 #ifdef CONFIG_IWLWIFI_DEBUGFS
1192 if (!op_mode) {
1193 debugfs_remove_recursive(drv->dbgfs_op_mode);
1194 drv->dbgfs_op_mode = NULL;
1195 }
1196 #endif
1197
1198 return op_mode;
1199 }
1200
1201 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1202 {
1203 /* op_mode can be NULL if its start failed */
1204 if (drv->op_mode) {
1205 iwl_op_mode_stop(drv->op_mode);
1206 drv->op_mode = NULL;
1207
1208 #ifdef CONFIG_IWLWIFI_DEBUGFS
1209 debugfs_remove_recursive(drv->dbgfs_op_mode);
1210 drv->dbgfs_op_mode = NULL;
1211 #endif
1212 }
1213 }
1214
1215 /**
1216 * iwl_req_fw_callback - callback when firmware was loaded
1217 *
1218 * If loaded successfully, copies the firmware into buffers
1219 * for the card to fetch (via DMA).
1220 */
1221 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1222 {
1223 struct iwl_drv *drv = context;
1224 struct iwl_fw *fw = &drv->fw;
1225 struct iwl_ucode_header *ucode;
1226 struct iwlwifi_opmode_table *op;
1227 int err;
1228 struct iwl_firmware_pieces *pieces;
1229 const unsigned int api_max = drv->cfg->ucode_api_max;
1230 const unsigned int api_min = drv->cfg->ucode_api_min;
1231 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1232 u32 api_ver;
1233 int i;
1234 bool load_module = false;
1235 bool usniffer_images = false;
1236
1237 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1238 fw->ucode_capa.standard_phy_calibration_size =
1239 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1240 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1241
1242 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1243 if (!pieces)
1244 return;
1245
1246 if (!ucode_raw)
1247 goto try_again;
1248
1249 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1250 drv->firmware_name, ucode_raw->size);
1251
1252 /* Make sure that we got at least the API version number */
1253 if (ucode_raw->size < 4) {
1254 IWL_ERR(drv, "File size way too small!\n");
1255 goto try_again;
1256 }
1257
1258 /* Data from ucode file: header followed by uCode images */
1259 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1260
1261 if (ucode->ver)
1262 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1263 else
1264 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1265 &fw->ucode_capa, &usniffer_images);
1266
1267 if (err)
1268 goto try_again;
1269
1270 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1271 api_ver = drv->fw.ucode_ver;
1272 else
1273 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1274
1275 /*
1276 * api_ver should match the api version forming part of the
1277 * firmware filename ... but we don't check for that and only rely
1278 * on the API version read from firmware header from here on forward
1279 */
1280 /* no api version check required for experimental uCode */
1281 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
1282 if (api_ver < api_min || api_ver > api_max) {
1283 IWL_ERR(drv,
1284 "Driver unable to support your firmware API. "
1285 "Driver supports v%u, firmware is v%u.\n",
1286 api_max, api_ver);
1287 goto try_again;
1288 }
1289 }
1290
1291 /*
1292 * In mvm uCode there is no difference between data and instructions
1293 * sections.
1294 */
1295 if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
1296 goto try_again;
1297
1298 /* Allocate ucode buffers for card's bus-master loading ... */
1299
1300 /* Runtime instructions and 2 copies of data:
1301 * 1) unmodified from disk
1302 * 2) backup cache for save/restore during power-downs */
1303 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1304 if (iwl_alloc_ucode(drv, pieces, i))
1305 goto out_free_fw;
1306
1307 if (pieces->dbg_dest_tlv) {
1308 drv->fw.dbg_dest_tlv =
1309 kmemdup(pieces->dbg_dest_tlv,
1310 sizeof(*pieces->dbg_dest_tlv) +
1311 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1312 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1313
1314 if (!drv->fw.dbg_dest_tlv)
1315 goto out_free_fw;
1316 }
1317
1318 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1319 if (pieces->dbg_conf_tlv[i]) {
1320 drv->fw.dbg_conf_tlv_len[i] =
1321 pieces->dbg_conf_tlv_len[i];
1322 drv->fw.dbg_conf_tlv[i] =
1323 kmemdup(pieces->dbg_conf_tlv[i],
1324 drv->fw.dbg_conf_tlv_len[i],
1325 GFP_KERNEL);
1326 if (!drv->fw.dbg_conf_tlv[i])
1327 goto out_free_fw;
1328 }
1329 }
1330
1331 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1332
1333 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1334 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1335 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1336 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1337 sizeof(struct iwl_fw_dbg_trigger_cmd);
1338 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1339 sizeof(struct iwl_fw_dbg_trigger_mlme);
1340 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1341 sizeof(struct iwl_fw_dbg_trigger_stats);
1342 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1343 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1344 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1345 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1346 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1347 sizeof(struct iwl_fw_dbg_trigger_time_event);
1348 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1349 sizeof(struct iwl_fw_dbg_trigger_ba);
1350 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1351 sizeof(struct iwl_fw_dbg_trigger_tdls);
1352
1353 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1354 if (pieces->dbg_trigger_tlv[i]) {
1355 /*
1356 * If the trigger isn't long enough, WARN and exit.
1357 * Someone is trying to debug something and he won't
1358 * be able to catch the bug he is trying to chase.
1359 * We'd better be noisy to be sure he knows what's
1360 * going on.
1361 */
1362 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1363 (trigger_tlv_sz[i] +
1364 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1365 goto out_free_fw;
1366 drv->fw.dbg_trigger_tlv_len[i] =
1367 pieces->dbg_trigger_tlv_len[i];
1368 drv->fw.dbg_trigger_tlv[i] =
1369 kmemdup(pieces->dbg_trigger_tlv[i],
1370 drv->fw.dbg_trigger_tlv_len[i],
1371 GFP_KERNEL);
1372 if (!drv->fw.dbg_trigger_tlv[i])
1373 goto out_free_fw;
1374 }
1375 }
1376
1377 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_mem_tlv); i++) {
1378 if (pieces->dbg_mem_tlv[i]) {
1379 drv->fw.dbg_mem_tlv[i] =
1380 kmemdup(pieces->dbg_mem_tlv[i],
1381 sizeof(*drv->fw.dbg_mem_tlv[i]),
1382 GFP_KERNEL);
1383 if (!drv->fw.dbg_mem_tlv[i])
1384 goto out_free_fw;
1385 }
1386 }
1387
1388 /* Now that we can no longer fail, copy information */
1389
1390 /*
1391 * The (size - 16) / 12 formula is based on the information recorded
1392 * for each event, which is of mode 1 (including timestamp) for all
1393 * new microcodes that include this information.
1394 */
1395 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1396 if (pieces->init_evtlog_size)
1397 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1398 else
1399 fw->init_evtlog_size =
1400 drv->cfg->base_params->max_event_log_size;
1401 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1402 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1403 if (pieces->inst_evtlog_size)
1404 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1405 else
1406 fw->inst_evtlog_size =
1407 drv->cfg->base_params->max_event_log_size;
1408 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1409
1410 /*
1411 * figure out the offset of chain noise reset and gain commands
1412 * base on the size of standard phy calibration commands table size
1413 */
1414 if (fw->ucode_capa.standard_phy_calibration_size >
1415 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1416 fw->ucode_capa.standard_phy_calibration_size =
1417 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1418
1419 /* We have our copies now, allow OS release its copies */
1420 release_firmware(ucode_raw);
1421
1422 mutex_lock(&iwlwifi_opmode_table_mtx);
1423 if (fw->mvm_fw)
1424 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1425 else
1426 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1427
1428 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1429 drv->fw.fw_version, op->name);
1430
1431 /* add this device to the list of devices using this op_mode */
1432 list_add_tail(&drv->list, &op->drv);
1433
1434 if (op->ops) {
1435 drv->op_mode = _iwl_op_mode_start(drv, op);
1436
1437 if (!drv->op_mode) {
1438 mutex_unlock(&iwlwifi_opmode_table_mtx);
1439 goto out_unbind;
1440 }
1441 } else {
1442 load_module = true;
1443 }
1444 mutex_unlock(&iwlwifi_opmode_table_mtx);
1445
1446 /*
1447 * Complete the firmware request last so that
1448 * a driver unbind (stop) doesn't run while we
1449 * are doing the start() above.
1450 */
1451 complete(&drv->request_firmware_complete);
1452
1453 /*
1454 * Load the module last so we don't block anything
1455 * else from proceeding if the module fails to load
1456 * or hangs loading.
1457 */
1458 if (load_module) {
1459 err = request_module("%s", op->name);
1460 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1461 if (err)
1462 IWL_ERR(drv,
1463 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1464 op->name, err);
1465 #endif
1466 }
1467 kfree(pieces);
1468 return;
1469
1470 try_again:
1471 /* try next, if any */
1472 release_firmware(ucode_raw);
1473 if (iwl_request_firmware(drv, false))
1474 goto out_unbind;
1475 kfree(pieces);
1476 return;
1477
1478 out_free_fw:
1479 IWL_ERR(drv, "failed to allocate pci memory\n");
1480 iwl_dealloc_ucode(drv);
1481 release_firmware(ucode_raw);
1482 out_unbind:
1483 kfree(pieces);
1484 complete(&drv->request_firmware_complete);
1485 device_release_driver(drv->trans->dev);
1486 }
1487
1488 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1489 const struct iwl_cfg *cfg)
1490 {
1491 struct iwl_drv *drv;
1492 int ret;
1493
1494 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1495 if (!drv) {
1496 ret = -ENOMEM;
1497 goto err;
1498 }
1499
1500 drv->trans = trans;
1501 drv->dev = trans->dev;
1502 drv->cfg = cfg;
1503
1504 init_completion(&drv->request_firmware_complete);
1505 INIT_LIST_HEAD(&drv->list);
1506
1507 #ifdef CONFIG_IWLWIFI_DEBUGFS
1508 /* Create the device debugfs entries. */
1509 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1510 iwl_dbgfs_root);
1511
1512 if (!drv->dbgfs_drv) {
1513 IWL_ERR(drv, "failed to create debugfs directory\n");
1514 ret = -ENOMEM;
1515 goto err_free_drv;
1516 }
1517
1518 /* Create transport layer debugfs dir */
1519 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1520
1521 if (!drv->trans->dbgfs_dir) {
1522 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1523 ret = -ENOMEM;
1524 goto err_free_dbgfs;
1525 }
1526 #endif
1527
1528 ret = iwl_request_firmware(drv, true);
1529 if (ret) {
1530 IWL_ERR(trans, "Couldn't request the fw\n");
1531 goto err_fw;
1532 }
1533
1534 return drv;
1535
1536 err_fw:
1537 #ifdef CONFIG_IWLWIFI_DEBUGFS
1538 err_free_dbgfs:
1539 debugfs_remove_recursive(drv->dbgfs_drv);
1540 err_free_drv:
1541 #endif
1542 kfree(drv);
1543 err:
1544 return ERR_PTR(ret);
1545 }
1546
1547 void iwl_drv_stop(struct iwl_drv *drv)
1548 {
1549 wait_for_completion(&drv->request_firmware_complete);
1550
1551 _iwl_op_mode_stop(drv);
1552
1553 iwl_dealloc_ucode(drv);
1554
1555 mutex_lock(&iwlwifi_opmode_table_mtx);
1556 /*
1557 * List is empty (this item wasn't added)
1558 * when firmware loading failed -- in that
1559 * case we can't remove it from any list.
1560 */
1561 if (!list_empty(&drv->list))
1562 list_del(&drv->list);
1563 mutex_unlock(&iwlwifi_opmode_table_mtx);
1564
1565 #ifdef CONFIG_IWLWIFI_DEBUGFS
1566 debugfs_remove_recursive(drv->dbgfs_drv);
1567 #endif
1568
1569 kfree(drv);
1570 }
1571
1572
1573 /* shared module parameters */
1574 struct iwl_mod_params iwlwifi_mod_params = {
1575 .restart_fw = true,
1576 .bt_coex_active = true,
1577 .power_level = IWL_POWER_INDEX_1,
1578 .d0i3_disable = true,
1579 .d0i3_entry_delay = 1000,
1580 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1581 /* the rest are 0 by default */
1582 };
1583 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1584
1585 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1586 {
1587 int i;
1588 struct iwl_drv *drv;
1589 struct iwlwifi_opmode_table *op;
1590
1591 mutex_lock(&iwlwifi_opmode_table_mtx);
1592 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1593 op = &iwlwifi_opmode_table[i];
1594 if (strcmp(op->name, name))
1595 continue;
1596 op->ops = ops;
1597 /* TODO: need to handle exceptional case */
1598 list_for_each_entry(drv, &op->drv, list)
1599 drv->op_mode = _iwl_op_mode_start(drv, op);
1600
1601 mutex_unlock(&iwlwifi_opmode_table_mtx);
1602 return 0;
1603 }
1604 mutex_unlock(&iwlwifi_opmode_table_mtx);
1605 return -EIO;
1606 }
1607 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1608
1609 void iwl_opmode_deregister(const char *name)
1610 {
1611 int i;
1612 struct iwl_drv *drv;
1613
1614 mutex_lock(&iwlwifi_opmode_table_mtx);
1615 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1616 if (strcmp(iwlwifi_opmode_table[i].name, name))
1617 continue;
1618 iwlwifi_opmode_table[i].ops = NULL;
1619
1620 /* call the stop routine for all devices */
1621 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1622 _iwl_op_mode_stop(drv);
1623
1624 mutex_unlock(&iwlwifi_opmode_table_mtx);
1625 return;
1626 }
1627 mutex_unlock(&iwlwifi_opmode_table_mtx);
1628 }
1629 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1630
1631 static int __init iwl_drv_init(void)
1632 {
1633 int i;
1634
1635 mutex_init(&iwlwifi_opmode_table_mtx);
1636
1637 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1638 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1639
1640 pr_info(DRV_DESCRIPTION "\n");
1641 pr_info(DRV_COPYRIGHT "\n");
1642
1643 #ifdef CONFIG_IWLWIFI_DEBUGFS
1644 /* Create the root of iwlwifi debugfs subsystem. */
1645 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1646
1647 if (!iwl_dbgfs_root)
1648 return -EFAULT;
1649 #endif
1650
1651 return iwl_pci_register_driver();
1652 }
1653 module_init(iwl_drv_init);
1654
1655 static void __exit iwl_drv_exit(void)
1656 {
1657 iwl_pci_unregister_driver();
1658
1659 #ifdef CONFIG_IWLWIFI_DEBUGFS
1660 debugfs_remove_recursive(iwl_dbgfs_root);
1661 #endif
1662 }
1663 module_exit(iwl_drv_exit);
1664
1665 #ifdef CONFIG_IWLWIFI_DEBUG
1666 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1667 S_IRUGO | S_IWUSR);
1668 MODULE_PARM_DESC(debug, "debug output mask");
1669 #endif
1670
1671 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1672 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1673 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1674 MODULE_PARM_DESC(11n_disable,
1675 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1676 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size,
1677 int, S_IRUGO);
1678 MODULE_PARM_DESC(amsdu_size, "amsdu size 0:4K 1:8K 2:12K (default 0)");
1679 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1680 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1681
1682 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1683 int, S_IRUGO);
1684 MODULE_PARM_DESC(antenna_coupling,
1685 "specify antenna coupling in dB (default: 0 dB)");
1686
1687 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1688 MODULE_PARM_DESC(nvm_file, "NVM file name");
1689
1690 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1691 bool, S_IRUGO);
1692 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1693
1694 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1695 bool, S_IRUGO);
1696 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1697
1698 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1699 uint, S_IRUGO | S_IWUSR);
1700 MODULE_PARM_DESC(uapsd_disable,
1701 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1702
1703 /*
1704 * set bt_coex_active to true, uCode will do kill/defer
1705 * every time the priority line is asserted (BT is sending signals on the
1706 * priority line in the PCIx).
1707 * set bt_coex_active to false, uCode will ignore the BT activity and
1708 * perform the normal operation
1709 *
1710 * User might experience transmit issue on some platform due to WiFi/BT
1711 * co-exist problem. The possible behaviors are:
1712 * Able to scan and finding all the available AP
1713 * Not able to associate with any AP
1714 * On those platforms, WiFi communication can be restored by set
1715 * "bt_coex_active" module parameter to "false"
1716 *
1717 * default: bt_coex_active = true (BT_COEX_ENABLE)
1718 */
1719 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1720 bool, S_IRUGO);
1721 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1722
1723 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1724 MODULE_PARM_DESC(led_mode, "0=system default, "
1725 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1726
1727 module_param_named(power_save, iwlwifi_mod_params.power_save,
1728 bool, S_IRUGO);
1729 MODULE_PARM_DESC(power_save,
1730 "enable WiFi power management (default: disable)");
1731
1732 module_param_named(power_level, iwlwifi_mod_params.power_level,
1733 int, S_IRUGO);
1734 MODULE_PARM_DESC(power_level,
1735 "default power save level (range from 1 - 5, default: 1)");
1736
1737 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1738 MODULE_PARM_DESC(fw_monitor,
1739 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1740
1741 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay,
1742 uint, S_IRUGO);
1743 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
1744
1745 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool,
1746 S_IRUGO);
1747 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities");
Linux kernel - Deliverables
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