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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / net / wireless / intel / iwlwifi / iwl-drv.c
blob9c4a7f648a44e263b4a16142a68d9fb67c0a0059
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 - 2017 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 - 2017 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 "fw/img.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 * @fw_index: firmware revision to try loading
106 * @firmware_name: composite filename of ucode file to load
107 * @request_firmware_complete: the firmware has been obtained from user space
108 */
109 struct iwl_drv {
110 struct list_head list;
111 struct iwl_fw fw;
112
113 struct iwl_op_mode *op_mode;
114 struct iwl_trans *trans;
115 struct device *dev;
116
117 int fw_index; /* firmware we're trying to load */
118 char firmware_name[64]; /* name of firmware file to load */
119
120 struct completion request_firmware_complete;
121
122 #ifdef CONFIG_IWLWIFI_DEBUGFS
123 struct dentry *dbgfs_drv;
124 struct dentry *dbgfs_trans;
125 struct dentry *dbgfs_op_mode;
126 #endif
127 };
128
129 enum {
130 DVM_OP_MODE,
131 MVM_OP_MODE,
132 };
133
134 /* Protects the table contents, i.e. the ops pointer & drv list */
135 static struct mutex iwlwifi_opmode_table_mtx;
136 static struct iwlwifi_opmode_table {
137 const char *name; /* name: iwldvm, iwlmvm, etc */
138 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
139 struct list_head drv; /* list of devices using this op_mode */
140 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
141 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
142 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
143 };
144
145 #define IWL_DEFAULT_SCAN_CHANNELS 40
146
147 /*
148 * struct fw_sec: Just for the image parsing process.
149 * For the fw storage we are using struct fw_desc.
150 */
151 struct fw_sec {
152 const void *data; /* the sec data */
153 size_t size; /* section size */
154 u32 offset; /* offset of writing in the device */
155 };
156
157 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
158 {
159 vfree(desc->data);
160 desc->data = NULL;
161 desc->len = 0;
162 }
163
164 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
165 {
166 int i;
167 for (i = 0; i < img->num_sec; i++)
168 iwl_free_fw_desc(drv, &img->sec[i]);
169 kfree(img->sec);
170 }
171
172 static void iwl_dealloc_ucode(struct iwl_drv *drv)
173 {
174 int i;
175
176 kfree(drv->fw.dbg_dest_tlv);
177 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
178 kfree(drv->fw.dbg_conf_tlv[i]);
179 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
180 kfree(drv->fw.dbg_trigger_tlv[i]);
181 kfree(drv->fw.dbg_mem_tlv);
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 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
213 {
214 const struct iwl_cfg *cfg = drv->trans->cfg;
215 char tag[8];
216 const char *fw_pre_name;
217
218 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
219 (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP ||
220 CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_C_STEP))
221 fw_pre_name = cfg->fw_name_pre_b_or_c_step;
222 else if (drv->trans->cfg->integrated &&
223 CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP &&
224 cfg->fw_name_pre_rf_next_step)
225 fw_pre_name = cfg->fw_name_pre_rf_next_step;
226 else
227 fw_pre_name = cfg->fw_name_pre;
228
229 if (first) {
230 drv->fw_index = cfg->ucode_api_max;
231 sprintf(tag, "%d", drv->fw_index);
232 } else {
233 drv->fw_index--;
234 sprintf(tag, "%d", drv->fw_index);
235 }
236
237 if (drv->fw_index < cfg->ucode_api_min) {
238 IWL_ERR(drv, "no suitable firmware found!\n");
239
240 if (cfg->ucode_api_min == cfg->ucode_api_max) {
241 IWL_ERR(drv, "%s%d is required\n", fw_pre_name,
242 cfg->ucode_api_max);
243 } else {
244 IWL_ERR(drv, "minimum version required: %s%d\n",
245 fw_pre_name,
246 cfg->ucode_api_min);
247 IWL_ERR(drv, "maximum version supported: %s%d\n",
248 fw_pre_name,
249 cfg->ucode_api_max);
250 }
251
252 IWL_ERR(drv,
253 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
254 return -ENOENT;
255 }
256
257 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
258 fw_pre_name, tag);
259
260 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n",
261 drv->firmware_name);
262
263 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
264 drv->trans->dev,
265 GFP_KERNEL, drv, iwl_req_fw_callback);
266 }
267
268 struct fw_img_parsing {
269 struct fw_sec *sec;
270 int sec_counter;
271 };
272
273 /*
274 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
275 */
276 struct fw_sec_parsing {
277 __le32 offset;
278 const u8 data[];
279 } __packed;
280
281 /**
282 * struct iwl_tlv_calib_data - parse the default calib data from TLV
283 *
284 * @ucode_type: the uCode to which the following default calib relates.
285 * @calib: default calibrations.
286 */
287 struct iwl_tlv_calib_data {
288 __le32 ucode_type;
289 struct iwl_tlv_calib_ctrl calib;
290 } __packed;
291
292 struct iwl_firmware_pieces {
293 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
294
295 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
296 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
297
298 /* FW debug data parsed for driver usage */
299 bool dbg_dest_tlv_init;
300 u8 *dbg_dest_ver;
301 union {
302 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
303 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1;
304 };
305 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
306 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
307 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
308 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
309 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
310 size_t n_dbg_mem_tlv;
311 };
312
313 /*
314 * These functions are just to extract uCode section data from the pieces
315 * structure.
316 */
317 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
318 enum iwl_ucode_type type,
319 int sec)
320 {
321 return &pieces->img[type].sec[sec];
322 }
323
324 static void alloc_sec_data(struct iwl_firmware_pieces *pieces,
325 enum iwl_ucode_type type,
326 int sec)
327 {
328 struct fw_img_parsing *img = &pieces->img[type];
329 struct fw_sec *sec_memory;
330 int size = sec + 1;
331 size_t alloc_size = sizeof(*img->sec) * size;
332
333 if (img->sec && img->sec_counter >= size)
334 return;
335
336 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL);
337 if (!sec_memory)
338 return;
339
340 img->sec = sec_memory;
341 img->sec_counter = size;
342 }
343
344 static void set_sec_data(struct iwl_firmware_pieces *pieces,
345 enum iwl_ucode_type type,
346 int sec,
347 const void *data)
348 {
349 alloc_sec_data(pieces, type, sec);
350
351 pieces->img[type].sec[sec].data = data;
352 }
353
354 static void set_sec_size(struct iwl_firmware_pieces *pieces,
355 enum iwl_ucode_type type,
356 int sec,
357 size_t size)
358 {
359 alloc_sec_data(pieces, type, sec);
360
361 pieces->img[type].sec[sec].size = size;
362 }
363
364 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
365 enum iwl_ucode_type type,
366 int sec)
367 {
368 return pieces->img[type].sec[sec].size;
369 }
370
371 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
372 enum iwl_ucode_type type,
373 int sec,
374 u32 offset)
375 {
376 alloc_sec_data(pieces, type, sec);
377
378 pieces->img[type].sec[sec].offset = offset;
379 }
380
381 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
382 {
383 int i, j;
384 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
385 struct iwl_fw_cipher_scheme *fwcs;
386
387 if (len < sizeof(*l) ||
388 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
389 return -EINVAL;
390
391 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
392 fwcs = &l->cs[j];
393
394 /* we skip schemes with zero cipher suite selector */
395 if (!fwcs->cipher)
396 continue;
397
398 fw->cs[j++] = *fwcs;
399 }
400
401 return 0;
402 }
403
404 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
405 const u32 len)
406 {
407 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
408 struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
409
410 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
411 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
412 capa->max_ap_cache_per_scan =
413 le32_to_cpu(fw_capa->max_ap_cache_per_scan);
414 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
415 capa->max_scan_reporting_threshold =
416 le32_to_cpu(fw_capa->max_scan_reporting_threshold);
417 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
418 capa->max_significant_change_aps =
419 le32_to_cpu(fw_capa->max_significant_change_aps);
420 capa->max_bssid_history_entries =
421 le32_to_cpu(fw_capa->max_bssid_history_entries);
422 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids);
423 capa->max_number_epno_networks =
424 le32_to_cpu(fw_capa->max_number_epno_networks);
425 capa->max_number_epno_networks_by_ssid =
426 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid);
427 capa->max_number_of_white_listed_ssid =
428 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid);
429 capa->max_number_of_black_listed_ssid =
430 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid);
431 }
432
433 /*
434 * Gets uCode section from tlv.
435 */
436 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
437 const void *data, enum iwl_ucode_type type,
438 int size)
439 {
440 struct fw_img_parsing *img;
441 struct fw_sec *sec;
442 struct fw_sec_parsing *sec_parse;
443 size_t alloc_size;
444
445 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
446 return -1;
447
448 sec_parse = (struct fw_sec_parsing *)data;
449
450 img = &pieces->img[type];
451
452 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
453 sec = krealloc(img->sec, alloc_size, GFP_KERNEL);
454 if (!sec)
455 return -ENOMEM;
456 img->sec = sec;
457
458 sec = &img->sec[img->sec_counter];
459
460 sec->offset = le32_to_cpu(sec_parse->offset);
461 sec->data = sec_parse->data;
462 sec->size = size - sizeof(sec_parse->offset);
463
464 ++img->sec_counter;
465
466 return 0;
467 }
468
469 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
470 {
471 struct iwl_tlv_calib_data *def_calib =
472 (struct iwl_tlv_calib_data *)data;
473 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
474 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
475 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
476 ucode_type);
477 return -EINVAL;
478 }
479 drv->fw.default_calib[ucode_type].flow_trigger =
480 def_calib->calib.flow_trigger;
481 drv->fw.default_calib[ucode_type].event_trigger =
482 def_calib->calib.event_trigger;
483
484 return 0;
485 }
486
487 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
488 struct iwl_ucode_capabilities *capa)
489 {
490 const struct iwl_ucode_api *ucode_api = (void *)data;
491 u32 api_index = le32_to_cpu(ucode_api->api_index);
492 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
493 int i;
494
495 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
496 IWL_WARN(drv,
497 "api flags index %d larger than supported by driver\n",
498 api_index);
499 return;
500 }
501
502 for (i = 0; i < 32; i++) {
503 if (api_flags & BIT(i))
504 __set_bit(i + 32 * api_index, capa->_api);
505 }
506 }
507
508 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
509 struct iwl_ucode_capabilities *capa)
510 {
511 const struct iwl_ucode_capa *ucode_capa = (void *)data;
512 u32 api_index = le32_to_cpu(ucode_capa->api_index);
513 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
514 int i;
515
516 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
517 IWL_WARN(drv,
518 "capa flags index %d larger than supported by driver\n",
519 api_index);
520 return;
521 }
522
523 for (i = 0; i < 32; i++) {
524 if (api_flags & BIT(i))
525 __set_bit(i + 32 * api_index, capa->_capa);
526 }
527 }
528
529 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
530 const struct firmware *ucode_raw,
531 struct iwl_firmware_pieces *pieces)
532 {
533 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
534 u32 api_ver, hdr_size, build;
535 char buildstr[25];
536 const u8 *src;
537
538 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
539 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
540
541 switch (api_ver) {
542 default:
543 hdr_size = 28;
544 if (ucode_raw->size < hdr_size) {
545 IWL_ERR(drv, "File size too small!\n");
546 return -EINVAL;
547 }
548 build = le32_to_cpu(ucode->u.v2.build);
549 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
550 le32_to_cpu(ucode->u.v2.inst_size));
551 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
552 le32_to_cpu(ucode->u.v2.data_size));
553 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
554 le32_to_cpu(ucode->u.v2.init_size));
555 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
556 le32_to_cpu(ucode->u.v2.init_data_size));
557 src = ucode->u.v2.data;
558 break;
559 case 0:
560 case 1:
561 case 2:
562 hdr_size = 24;
563 if (ucode_raw->size < hdr_size) {
564 IWL_ERR(drv, "File size too small!\n");
565 return -EINVAL;
566 }
567 build = 0;
568 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
569 le32_to_cpu(ucode->u.v1.inst_size));
570 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
571 le32_to_cpu(ucode->u.v1.data_size));
572 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
573 le32_to_cpu(ucode->u.v1.init_size));
574 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
575 le32_to_cpu(ucode->u.v1.init_data_size));
576 src = ucode->u.v1.data;
577 break;
578 }
579
580 if (build)
581 sprintf(buildstr, " build %u", build);
582 else
583 buildstr[0] = '\0';
584
585 snprintf(drv->fw.fw_version,
586 sizeof(drv->fw.fw_version),
587 "%u.%u.%u.%u%s",
588 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
589 IWL_UCODE_MINOR(drv->fw.ucode_ver),
590 IWL_UCODE_API(drv->fw.ucode_ver),
591 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
592 buildstr);
593
594 /* Verify size of file vs. image size info in file's header */
595
596 if (ucode_raw->size != hdr_size +
597 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
598 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
599 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
600 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
601
602 IWL_ERR(drv,
603 "uCode file size %d does not match expected size\n",
604 (int)ucode_raw->size);
605 return -EINVAL;
606 }
607
608
609 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
610 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
611 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
612 IWLAGN_RTC_INST_LOWER_BOUND);
613 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
614 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
615 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
616 IWLAGN_RTC_DATA_LOWER_BOUND);
617 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
618 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
619 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
620 IWLAGN_RTC_INST_LOWER_BOUND);
621 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
622 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
623 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
624 IWLAGN_RTC_DATA_LOWER_BOUND);
625 return 0;
626 }
627
628 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
629 const struct firmware *ucode_raw,
630 struct iwl_firmware_pieces *pieces,
631 struct iwl_ucode_capabilities *capa,
632 bool *usniffer_images)
633 {
634 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
635 struct iwl_ucode_tlv *tlv;
636 size_t len = ucode_raw->size;
637 const u8 *data;
638 u32 tlv_len;
639 u32 usniffer_img;
640 enum iwl_ucode_tlv_type tlv_type;
641 const u8 *tlv_data;
642 char buildstr[25];
643 u32 build, paging_mem_size;
644 int num_of_cpus;
645 bool usniffer_req = false;
646 bool gscan_capa = false;
647
648 if (len < sizeof(*ucode)) {
649 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
650 return -EINVAL;
651 }
652
653 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
654 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
655 le32_to_cpu(ucode->magic));
656 return -EINVAL;
657 }
658
659 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
660 memcpy(drv->fw.human_readable, ucode->human_readable,
661 sizeof(drv->fw.human_readable));
662 build = le32_to_cpu(ucode->build);
663
664 if (build)
665 sprintf(buildstr, " build %u", build);
666 else
667 buildstr[0] = '\0';
668
669 snprintf(drv->fw.fw_version,
670 sizeof(drv->fw.fw_version),
671 "%u.%u.%u.%u%s",
672 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
673 IWL_UCODE_MINOR(drv->fw.ucode_ver),
674 IWL_UCODE_API(drv->fw.ucode_ver),
675 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
676 buildstr);
677
678 data = ucode->data;
679
680 len -= sizeof(*ucode);
681
682 while (len >= sizeof(*tlv)) {
683 len -= sizeof(*tlv);
684 tlv = (void *)data;
685
686 tlv_len = le32_to_cpu(tlv->length);
687 tlv_type = le32_to_cpu(tlv->type);
688 tlv_data = tlv->data;
689
690 if (len < tlv_len) {
691 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
692 len, tlv_len);
693 return -EINVAL;
694 }
695 len -= ALIGN(tlv_len, 4);
696 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
697
698 switch (tlv_type) {
699 case IWL_UCODE_TLV_INST:
700 set_sec_data(pieces, IWL_UCODE_REGULAR,
701 IWL_UCODE_SECTION_INST, tlv_data);
702 set_sec_size(pieces, IWL_UCODE_REGULAR,
703 IWL_UCODE_SECTION_INST, tlv_len);
704 set_sec_offset(pieces, IWL_UCODE_REGULAR,
705 IWL_UCODE_SECTION_INST,
706 IWLAGN_RTC_INST_LOWER_BOUND);
707 break;
708 case IWL_UCODE_TLV_DATA:
709 set_sec_data(pieces, IWL_UCODE_REGULAR,
710 IWL_UCODE_SECTION_DATA, tlv_data);
711 set_sec_size(pieces, IWL_UCODE_REGULAR,
712 IWL_UCODE_SECTION_DATA, tlv_len);
713 set_sec_offset(pieces, IWL_UCODE_REGULAR,
714 IWL_UCODE_SECTION_DATA,
715 IWLAGN_RTC_DATA_LOWER_BOUND);
716 break;
717 case IWL_UCODE_TLV_INIT:
718 set_sec_data(pieces, IWL_UCODE_INIT,
719 IWL_UCODE_SECTION_INST, tlv_data);
720 set_sec_size(pieces, IWL_UCODE_INIT,
721 IWL_UCODE_SECTION_INST, tlv_len);
722 set_sec_offset(pieces, IWL_UCODE_INIT,
723 IWL_UCODE_SECTION_INST,
724 IWLAGN_RTC_INST_LOWER_BOUND);
725 break;
726 case IWL_UCODE_TLV_INIT_DATA:
727 set_sec_data(pieces, IWL_UCODE_INIT,
728 IWL_UCODE_SECTION_DATA, tlv_data);
729 set_sec_size(pieces, IWL_UCODE_INIT,
730 IWL_UCODE_SECTION_DATA, tlv_len);
731 set_sec_offset(pieces, IWL_UCODE_INIT,
732 IWL_UCODE_SECTION_DATA,
733 IWLAGN_RTC_DATA_LOWER_BOUND);
734 break;
735 case IWL_UCODE_TLV_BOOT:
736 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
737 break;
738 case IWL_UCODE_TLV_PROBE_MAX_LEN:
739 if (tlv_len != sizeof(u32))
740 goto invalid_tlv_len;
741 capa->max_probe_length =
742 le32_to_cpup((__le32 *)tlv_data);
743 break;
744 case IWL_UCODE_TLV_PAN:
745 if (tlv_len)
746 goto invalid_tlv_len;
747 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
748 break;
749 case IWL_UCODE_TLV_FLAGS:
750 /* must be at least one u32 */
751 if (tlv_len < sizeof(u32))
752 goto invalid_tlv_len;
753 /* and a proper number of u32s */
754 if (tlv_len % sizeof(u32))
755 goto invalid_tlv_len;
756 /*
757 * This driver only reads the first u32 as
758 * right now no more features are defined,
759 * if that changes then either the driver
760 * will not work with the new firmware, or
761 * it'll not take advantage of new features.
762 */
763 capa->flags = le32_to_cpup((__le32 *)tlv_data);
764 break;
765 case IWL_UCODE_TLV_API_CHANGES_SET:
766 if (tlv_len != sizeof(struct iwl_ucode_api))
767 goto invalid_tlv_len;
768 iwl_set_ucode_api_flags(drv, tlv_data, capa);
769 break;
770 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
771 if (tlv_len != sizeof(struct iwl_ucode_capa))
772 goto invalid_tlv_len;
773 iwl_set_ucode_capabilities(drv, tlv_data, capa);
774 break;
775 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
776 if (tlv_len != sizeof(u32))
777 goto invalid_tlv_len;
778 pieces->init_evtlog_ptr =
779 le32_to_cpup((__le32 *)tlv_data);
780 break;
781 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
782 if (tlv_len != sizeof(u32))
783 goto invalid_tlv_len;
784 pieces->init_evtlog_size =
785 le32_to_cpup((__le32 *)tlv_data);
786 break;
787 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
788 if (tlv_len != sizeof(u32))
789 goto invalid_tlv_len;
790 pieces->init_errlog_ptr =
791 le32_to_cpup((__le32 *)tlv_data);
792 break;
793 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
794 if (tlv_len != sizeof(u32))
795 goto invalid_tlv_len;
796 pieces->inst_evtlog_ptr =
797 le32_to_cpup((__le32 *)tlv_data);
798 break;
799 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
800 if (tlv_len != sizeof(u32))
801 goto invalid_tlv_len;
802 pieces->inst_evtlog_size =
803 le32_to_cpup((__le32 *)tlv_data);
804 break;
805 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
806 if (tlv_len != sizeof(u32))
807 goto invalid_tlv_len;
808 pieces->inst_errlog_ptr =
809 le32_to_cpup((__le32 *)tlv_data);
810 break;
811 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
812 if (tlv_len)
813 goto invalid_tlv_len;
814 drv->fw.enhance_sensitivity_table = true;
815 break;
816 case IWL_UCODE_TLV_WOWLAN_INST:
817 set_sec_data(pieces, IWL_UCODE_WOWLAN,
818 IWL_UCODE_SECTION_INST, tlv_data);
819 set_sec_size(pieces, IWL_UCODE_WOWLAN,
820 IWL_UCODE_SECTION_INST, tlv_len);
821 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
822 IWL_UCODE_SECTION_INST,
823 IWLAGN_RTC_INST_LOWER_BOUND);
824 break;
825 case IWL_UCODE_TLV_WOWLAN_DATA:
826 set_sec_data(pieces, IWL_UCODE_WOWLAN,
827 IWL_UCODE_SECTION_DATA, tlv_data);
828 set_sec_size(pieces, IWL_UCODE_WOWLAN,
829 IWL_UCODE_SECTION_DATA, tlv_len);
830 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
831 IWL_UCODE_SECTION_DATA,
832 IWLAGN_RTC_DATA_LOWER_BOUND);
833 break;
834 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
835 if (tlv_len != sizeof(u32))
836 goto invalid_tlv_len;
837 capa->standard_phy_calibration_size =
838 le32_to_cpup((__le32 *)tlv_data);
839 break;
840 case IWL_UCODE_TLV_SEC_RT:
841 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
842 tlv_len);
843 drv->fw.type = IWL_FW_MVM;
844 break;
845 case IWL_UCODE_TLV_SEC_INIT:
846 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
847 tlv_len);
848 drv->fw.type = IWL_FW_MVM;
849 break;
850 case IWL_UCODE_TLV_SEC_WOWLAN:
851 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
852 tlv_len);
853 drv->fw.type = IWL_FW_MVM;
854 break;
855 case IWL_UCODE_TLV_DEF_CALIB:
856 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
857 goto invalid_tlv_len;
858 if (iwl_set_default_calib(drv, tlv_data))
859 goto tlv_error;
860 break;
861 case IWL_UCODE_TLV_PHY_SKU:
862 if (tlv_len != sizeof(u32))
863 goto invalid_tlv_len;
864 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
865 drv->fw.valid_tx_ant = (drv->fw.phy_config &
866 FW_PHY_CFG_TX_CHAIN) >>
867 FW_PHY_CFG_TX_CHAIN_POS;
868 drv->fw.valid_rx_ant = (drv->fw.phy_config &
869 FW_PHY_CFG_RX_CHAIN) >>
870 FW_PHY_CFG_RX_CHAIN_POS;
871 break;
872 case IWL_UCODE_TLV_SECURE_SEC_RT:
873 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
874 tlv_len);
875 drv->fw.type = IWL_FW_MVM;
876 break;
877 case IWL_UCODE_TLV_SECURE_SEC_INIT:
878 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
879 tlv_len);
880 drv->fw.type = IWL_FW_MVM;
881 break;
882 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
883 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
884 tlv_len);
885 drv->fw.type = IWL_FW_MVM;
886 break;
887 case IWL_UCODE_TLV_NUM_OF_CPU:
888 if (tlv_len != sizeof(u32))
889 goto invalid_tlv_len;
890 num_of_cpus =
891 le32_to_cpup((__le32 *)tlv_data);
892
893 if (num_of_cpus == 2) {
894 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
895 true;
896 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
897 true;
898 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
899 true;
900 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
901 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
902 return -EINVAL;
903 }
904 break;
905 case IWL_UCODE_TLV_CSCHEME:
906 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
907 goto invalid_tlv_len;
908 break;
909 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
910 if (tlv_len != sizeof(u32))
911 goto invalid_tlv_len;
912 capa->n_scan_channels =
913 le32_to_cpup((__le32 *)tlv_data);
914 break;
915 case IWL_UCODE_TLV_FW_VERSION: {
916 __le32 *ptr = (void *)tlv_data;
917 u32 major, minor;
918 u8 local_comp;
919
920 if (tlv_len != sizeof(u32) * 3)
921 goto invalid_tlv_len;
922
923 major = le32_to_cpup(ptr++);
924 minor = le32_to_cpup(ptr++);
925 local_comp = le32_to_cpup(ptr);
926
927 if (major >= 35)
928 snprintf(drv->fw.fw_version,
929 sizeof(drv->fw.fw_version),
930 "%u.%08x.%u", major, minor, local_comp);
931 else
932 snprintf(drv->fw.fw_version,
933 sizeof(drv->fw.fw_version),
934 "%u.%u.%u", major, minor, local_comp);
935 break;
936 }
937 case IWL_UCODE_TLV_FW_DBG_DEST: {
938 struct iwl_fw_dbg_dest_tlv *dest = NULL;
939 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL;
940 u8 mon_mode;
941
942 pieces->dbg_dest_ver = (u8 *)tlv_data;
943 if (*pieces->dbg_dest_ver == 1) {
944 dest = (void *)tlv_data;
945 } else if (*pieces->dbg_dest_ver == 0) {
946 dest_v1 = (void *)tlv_data;
947 } else {
948 IWL_ERR(drv,
949 "The version is %d, and it is invalid\n",
950 *pieces->dbg_dest_ver);
951 break;
952 }
953
954 if (pieces->dbg_dest_tlv_init) {
955 IWL_ERR(drv,
956 "dbg destination ignored, already exists\n");
957 break;
958 }
959
960 pieces->dbg_dest_tlv_init = true;
961
962 if (dest_v1) {
963 pieces->dbg_dest_tlv_v1 = dest_v1;
964 mon_mode = dest_v1->monitor_mode;
965 } else {
966 pieces->dbg_dest_tlv = dest;
967 mon_mode = dest->monitor_mode;
968 }
969
970 IWL_INFO(drv, "Found debug destination: %s\n",
971 get_fw_dbg_mode_string(mon_mode));
972
973 drv->fw.dbg_dest_reg_num = (dest_v1) ?
974 tlv_len -
975 offsetof(struct iwl_fw_dbg_dest_tlv_v1,
976 reg_ops) :
977 tlv_len -
978 offsetof(struct iwl_fw_dbg_dest_tlv,
979 reg_ops);
980
981 drv->fw.dbg_dest_reg_num /=
982 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
983
984 break;
985 }
986 case IWL_UCODE_TLV_FW_DBG_CONF: {
987 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
988
989 if (!pieces->dbg_dest_tlv_init) {
990 IWL_ERR(drv,
991 "Ignore dbg config %d - no destination configured\n",
992 conf->id);
993 break;
994 }
995
996 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
997 IWL_ERR(drv,
998 "Skip unknown configuration: %d\n",
999 conf->id);
1000 break;
1001 }
1002
1003 if (pieces->dbg_conf_tlv[conf->id]) {
1004 IWL_ERR(drv,
1005 "Ignore duplicate dbg config %d\n",
1006 conf->id);
1007 break;
1008 }
1009
1010 if (conf->usniffer)
1011 usniffer_req = true;
1012
1013 IWL_INFO(drv, "Found debug configuration: %d\n",
1014 conf->id);
1015
1016 pieces->dbg_conf_tlv[conf->id] = conf;
1017 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
1018 break;
1019 }
1020 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
1021 struct iwl_fw_dbg_trigger_tlv *trigger =
1022 (void *)tlv_data;
1023 u32 trigger_id = le32_to_cpu(trigger->id);
1024
1025 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
1026 IWL_ERR(drv,
1027 "Skip unknown trigger: %u\n",
1028 trigger->id);
1029 break;
1030 }
1031
1032 if (pieces->dbg_trigger_tlv[trigger_id]) {
1033 IWL_ERR(drv,
1034 "Ignore duplicate dbg trigger %u\n",
1035 trigger->id);
1036 break;
1037 }
1038
1039 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
1040
1041 pieces->dbg_trigger_tlv[trigger_id] = trigger;
1042 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
1043 break;
1044 }
1045 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
1046 *usniffer_images = true;
1047 iwl_store_ucode_sec(pieces, tlv_data,
1048 IWL_UCODE_REGULAR_USNIFFER,
1049 tlv_len);
1050 break;
1051 case IWL_UCODE_TLV_PAGING:
1052 if (tlv_len != sizeof(u32))
1053 goto invalid_tlv_len;
1054 paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
1055
1056 IWL_DEBUG_FW(drv,
1057 "Paging: paging enabled (size = %u bytes)\n",
1058 paging_mem_size);
1059
1060 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
1061 IWL_ERR(drv,
1062 "Paging: driver supports up to %lu bytes for paging image\n",
1063 MAX_PAGING_IMAGE_SIZE);
1064 return -EINVAL;
1065 }
1066
1067 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1068 IWL_ERR(drv,
1069 "Paging: image isn't multiple %lu\n",
1070 FW_PAGING_SIZE);
1071 return -EINVAL;
1072 }
1073
1074 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1075 paging_mem_size;
1076 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1077 drv->fw.img[usniffer_img].paging_mem_size =
1078 paging_mem_size;
1079 break;
1080 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1081 /*
1082 * Don't return an error in case of a shorter tlv_len
1083 * to enable loading of FW that has an old format
1084 * of GSCAN capabilities TLV.
1085 */
1086 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities))
1087 break;
1088
1089 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len);
1090 gscan_capa = true;
1091 break;
1092 case IWL_UCODE_TLV_FW_MEM_SEG: {
1093 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1094 (void *)tlv_data;
1095 u32 type;
1096 size_t size;
1097 struct iwl_fw_dbg_mem_seg_tlv *n;
1098
1099 if (tlv_len != (sizeof(*dbg_mem)))
1100 goto invalid_tlv_len;
1101
1102 type = le32_to_cpu(dbg_mem->data_type);
1103
1104 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1105 dbg_mem->data_type);
1106
1107 switch (type & FW_DBG_MEM_TYPE_MASK) {
1108 case FW_DBG_MEM_TYPE_REGULAR:
1109 case FW_DBG_MEM_TYPE_PRPH:
1110 /* we know how to handle these */
1111 break;
1112 default:
1113 IWL_ERR(drv,
1114 "Found debug memory segment with invalid type: 0x%x\n",
1115 type);
1116 return -EINVAL;
1117 }
1118
1119 size = sizeof(*pieces->dbg_mem_tlv) *
1120 (pieces->n_dbg_mem_tlv + 1);
1121 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);
1122 if (!n)
1123 return -ENOMEM;
1124 pieces->dbg_mem_tlv = n;
1125 pieces->dbg_mem_tlv[pieces->n_dbg_mem_tlv] = *dbg_mem;
1126 pieces->n_dbg_mem_tlv++;
1127 break;
1128 }
1129 default:
1130 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1131 break;
1132 }
1133 }
1134
1135 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1136 usniffer_req && !*usniffer_images) {
1137 IWL_ERR(drv,
1138 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1139 return -EINVAL;
1140 }
1141
1142 if (len) {
1143 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1144 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1145 return -EINVAL;
1146 }
1147
1148 /*
1149 * If ucode advertises that it supports GSCAN but GSCAN
1150 * capabilities TLV is not present, or if it has an old format,
1151 * warn and continue without GSCAN.
1152 */
1153 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
1154 !gscan_capa) {
1155 IWL_DEBUG_INFO(drv,
1156 "GSCAN is supported but capabilities TLV is unavailable\n");
1157 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
1158 capa->_capa);
1159 }
1160
1161 return 0;
1162
1163 invalid_tlv_len:
1164 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1165 tlv_error:
1166 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1167
1168 return -EINVAL;
1169 }
1170
1171 static int iwl_alloc_ucode(struct iwl_drv *drv,
1172 struct iwl_firmware_pieces *pieces,
1173 enum iwl_ucode_type type)
1174 {
1175 int i;
1176 struct fw_desc *sec;
1177
1178 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL);
1179 if (!sec)
1180 return -ENOMEM;
1181 drv->fw.img[type].sec = sec;
1182 drv->fw.img[type].num_sec = pieces->img[type].sec_counter;
1183
1184 for (i = 0; i < pieces->img[type].sec_counter; i++)
1185 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i)))
1186 return -ENOMEM;
1187
1188 return 0;
1189 }
1190
1191 static int validate_sec_sizes(struct iwl_drv *drv,
1192 struct iwl_firmware_pieces *pieces,
1193 const struct iwl_cfg *cfg)
1194 {
1195 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n",
1196 get_sec_size(pieces, IWL_UCODE_REGULAR,
1197 IWL_UCODE_SECTION_INST));
1198 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n",
1199 get_sec_size(pieces, IWL_UCODE_REGULAR,
1200 IWL_UCODE_SECTION_DATA));
1201 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n",
1202 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1203 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n",
1204 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1205
1206 /* Verify that uCode images will fit in card's SRAM. */
1207 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1208 cfg->max_inst_size) {
1209 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n",
1210 get_sec_size(pieces, IWL_UCODE_REGULAR,
1211 IWL_UCODE_SECTION_INST));
1212 return -1;
1213 }
1214
1215 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1216 cfg->max_data_size) {
1217 IWL_ERR(drv, "uCode data len %zd too large to fit in\n",
1218 get_sec_size(pieces, IWL_UCODE_REGULAR,
1219 IWL_UCODE_SECTION_DATA));
1220 return -1;
1221 }
1222
1223 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1224 cfg->max_inst_size) {
1225 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n",
1226 get_sec_size(pieces, IWL_UCODE_INIT,
1227 IWL_UCODE_SECTION_INST));
1228 return -1;
1229 }
1230
1231 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1232 cfg->max_data_size) {
1233 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n",
1234 get_sec_size(pieces, IWL_UCODE_REGULAR,
1235 IWL_UCODE_SECTION_DATA));
1236 return -1;
1237 }
1238 return 0;
1239 }
1240
1241 static struct iwl_op_mode *
1242 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1243 {
1244 const struct iwl_op_mode_ops *ops = op->ops;
1245 struct dentry *dbgfs_dir = NULL;
1246 struct iwl_op_mode *op_mode = NULL;
1247
1248 #ifdef CONFIG_IWLWIFI_DEBUGFS
1249 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1250 drv->dbgfs_drv);
1251 if (!drv->dbgfs_op_mode) {
1252 IWL_ERR(drv,
1253 "failed to create opmode debugfs directory\n");
1254 return op_mode;
1255 }
1256 dbgfs_dir = drv->dbgfs_op_mode;
1257 #endif
1258
1259 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir);
1260
1261 #ifdef CONFIG_IWLWIFI_DEBUGFS
1262 if (!op_mode) {
1263 debugfs_remove_recursive(drv->dbgfs_op_mode);
1264 drv->dbgfs_op_mode = NULL;
1265 }
1266 #endif
1267
1268 return op_mode;
1269 }
1270
1271 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1272 {
1273 /* op_mode can be NULL if its start failed */
1274 if (drv->op_mode) {
1275 iwl_op_mode_stop(drv->op_mode);
1276 drv->op_mode = NULL;
1277
1278 #ifdef CONFIG_IWLWIFI_DEBUGFS
1279 debugfs_remove_recursive(drv->dbgfs_op_mode);
1280 drv->dbgfs_op_mode = NULL;
1281 #endif
1282 }
1283 }
1284
1285 /**
1286 * iwl_req_fw_callback - callback when firmware was loaded
1287 *
1288 * If loaded successfully, copies the firmware into buffers
1289 * for the card to fetch (via DMA).
1290 */
1291 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1292 {
1293 struct iwl_drv *drv = context;
1294 struct iwl_fw *fw = &drv->fw;
1295 struct iwl_ucode_header *ucode;
1296 struct iwlwifi_opmode_table *op;
1297 int err;
1298 struct iwl_firmware_pieces *pieces;
1299 const unsigned int api_max = drv->trans->cfg->ucode_api_max;
1300 const unsigned int api_min = drv->trans->cfg->ucode_api_min;
1301 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1302 u32 api_ver;
1303 int i;
1304 bool load_module = false;
1305 bool usniffer_images = false;
1306
1307 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1308 fw->ucode_capa.standard_phy_calibration_size =
1309 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1310 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1311
1312 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1313 if (!pieces)
1314 goto out_free_fw;
1315
1316 if (!ucode_raw)
1317 goto try_again;
1318
1319 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1320 drv->firmware_name, ucode_raw->size);
1321
1322 /* Make sure that we got at least the API version number */
1323 if (ucode_raw->size < 4) {
1324 IWL_ERR(drv, "File size way too small!\n");
1325 goto try_again;
1326 }
1327
1328 /* Data from ucode file: header followed by uCode images */
1329 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1330
1331 if (ucode->ver)
1332 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1333 else
1334 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1335 &fw->ucode_capa, &usniffer_images);
1336
1337 if (err)
1338 goto try_again;
1339
1340 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1341 api_ver = drv->fw.ucode_ver;
1342 else
1343 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1344
1345 /*
1346 * api_ver should match the api version forming part of the
1347 * firmware filename ... but we don't check for that and only rely
1348 * on the API version read from firmware header from here on forward
1349 */
1350 if (api_ver < api_min || api_ver > api_max) {
1351 IWL_ERR(drv,
1352 "Driver unable to support your firmware API. "
1353 "Driver supports v%u, firmware is v%u.\n",
1354 api_max, api_ver);
1355 goto try_again;
1356 }
1357
1358 /*
1359 * In mvm uCode there is no difference between data and instructions
1360 * sections.
1361 */
1362 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces,
1363 drv->trans->cfg))
1364 goto try_again;
1365
1366 /* Allocate ucode buffers for card's bus-master loading ... */
1367
1368 /* Runtime instructions and 2 copies of data:
1369 * 1) unmodified from disk
1370 * 2) backup cache for save/restore during power-downs
1371 */
1372 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1373 if (iwl_alloc_ucode(drv, pieces, i))
1374 goto out_free_fw;
1375
1376 if (pieces->dbg_dest_tlv_init) {
1377 size_t dbg_dest_size = sizeof(*drv->fw.dbg_dest_tlv) +
1378 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]) *
1379 drv->fw.dbg_dest_reg_num;
1380
1381 drv->fw.dbg_dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);
1382
1383 if (!drv->fw.dbg_dest_tlv)
1384 goto out_free_fw;
1385
1386 if (*pieces->dbg_dest_ver == 0) {
1387 memcpy(drv->fw.dbg_dest_tlv, pieces->dbg_dest_tlv_v1,
1388 dbg_dest_size);
1389 } else {
1390 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv =
1391 drv->fw.dbg_dest_tlv;
1392
1393 dest_tlv->version = pieces->dbg_dest_tlv->version;
1394 dest_tlv->monitor_mode =
1395 pieces->dbg_dest_tlv->monitor_mode;
1396 dest_tlv->size_power =
1397 pieces->dbg_dest_tlv->size_power;
1398 dest_tlv->wrap_count =
1399 pieces->dbg_dest_tlv->wrap_count;
1400 dest_tlv->write_ptr_reg =
1401 pieces->dbg_dest_tlv->write_ptr_reg;
1402 dest_tlv->base_shift =
1403 pieces->dbg_dest_tlv->base_shift;
1404 memcpy(dest_tlv->reg_ops,
1405 pieces->dbg_dest_tlv->reg_ops,
1406 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]) *
1407 drv->fw.dbg_dest_reg_num);
1408
1409 /* In version 1 of the destination tlv, which is
1410 * relevant for internal buffer exclusively,
1411 * the base address is part of given with the length
1412 * of the buffer, and the size shift is give instead of
1413 * end shift. We now store these values in base_reg,
1414 * and end shift, and when dumping the data we'll
1415 * manipulate it for extracting both the length and
1416 * base address */
1417 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg;
1418 dest_tlv->end_shift =
1419 pieces->dbg_dest_tlv->size_shift;
1420 }
1421 }
1422
1423 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1424 if (pieces->dbg_conf_tlv[i]) {
1425 drv->fw.dbg_conf_tlv_len[i] =
1426 pieces->dbg_conf_tlv_len[i];
1427 drv->fw.dbg_conf_tlv[i] =
1428 kmemdup(pieces->dbg_conf_tlv[i],
1429 drv->fw.dbg_conf_tlv_len[i],
1430 GFP_KERNEL);
1431 if (!drv->fw.dbg_conf_tlv[i])
1432 goto out_free_fw;
1433 }
1434 }
1435
1436 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1437
1438 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1439 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1440 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1441 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1442 sizeof(struct iwl_fw_dbg_trigger_cmd);
1443 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1444 sizeof(struct iwl_fw_dbg_trigger_mlme);
1445 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1446 sizeof(struct iwl_fw_dbg_trigger_stats);
1447 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1448 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1449 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1450 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1451 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1452 sizeof(struct iwl_fw_dbg_trigger_time_event);
1453 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1454 sizeof(struct iwl_fw_dbg_trigger_ba);
1455 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1456 sizeof(struct iwl_fw_dbg_trigger_tdls);
1457
1458 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1459 if (pieces->dbg_trigger_tlv[i]) {
1460 /*
1461 * If the trigger isn't long enough, WARN and exit.
1462 * Someone is trying to debug something and he won't
1463 * be able to catch the bug he is trying to chase.
1464 * We'd better be noisy to be sure he knows what's
1465 * going on.
1466 */
1467 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1468 (trigger_tlv_sz[i] +
1469 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1470 goto out_free_fw;
1471 drv->fw.dbg_trigger_tlv_len[i] =
1472 pieces->dbg_trigger_tlv_len[i];
1473 drv->fw.dbg_trigger_tlv[i] =
1474 kmemdup(pieces->dbg_trigger_tlv[i],
1475 drv->fw.dbg_trigger_tlv_len[i],
1476 GFP_KERNEL);
1477 if (!drv->fw.dbg_trigger_tlv[i])
1478 goto out_free_fw;
1479 }
1480 }
1481
1482 /* Now that we can no longer fail, copy information */
1483
1484 drv->fw.dbg_mem_tlv = pieces->dbg_mem_tlv;
1485 pieces->dbg_mem_tlv = NULL;
1486 drv->fw.n_dbg_mem_tlv = pieces->n_dbg_mem_tlv;
1487
1488 /*
1489 * The (size - 16) / 12 formula is based on the information recorded
1490 * for each event, which is of mode 1 (including timestamp) for all
1491 * new microcodes that include this information.
1492 */
1493 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1494 if (pieces->init_evtlog_size)
1495 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1496 else
1497 fw->init_evtlog_size =
1498 drv->trans->cfg->base_params->max_event_log_size;
1499 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1500 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1501 if (pieces->inst_evtlog_size)
1502 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1503 else
1504 fw->inst_evtlog_size =
1505 drv->trans->cfg->base_params->max_event_log_size;
1506 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1507
1508 /*
1509 * figure out the offset of chain noise reset and gain commands
1510 * base on the size of standard phy calibration commands table size
1511 */
1512 if (fw->ucode_capa.standard_phy_calibration_size >
1513 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1514 fw->ucode_capa.standard_phy_calibration_size =
1515 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1516
1517 /* We have our copies now, allow OS release its copies */
1518 release_firmware(ucode_raw);
1519
1520 mutex_lock(&iwlwifi_opmode_table_mtx);
1521 switch (fw->type) {
1522 case IWL_FW_DVM:
1523 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1524 break;
1525 default:
1526 WARN(1, "Invalid fw type %d\n", fw->type);
1527 case IWL_FW_MVM:
1528 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1529 break;
1530 }
1531
1532 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1533 drv->fw.fw_version, op->name);
1534
1535 /* add this device to the list of devices using this op_mode */
1536 list_add_tail(&drv->list, &op->drv);
1537
1538 if (op->ops) {
1539 drv->op_mode = _iwl_op_mode_start(drv, op);
1540
1541 if (!drv->op_mode) {
1542 mutex_unlock(&iwlwifi_opmode_table_mtx);
1543 goto out_unbind;
1544 }
1545 } else {
1546 load_module = true;
1547 }
1548 mutex_unlock(&iwlwifi_opmode_table_mtx);
1549
1550 /*
1551 * Complete the firmware request last so that
1552 * a driver unbind (stop) doesn't run while we
1553 * are doing the start() above.
1554 */
1555 complete(&drv->request_firmware_complete);
1556
1557 /*
1558 * Load the module last so we don't block anything
1559 * else from proceeding if the module fails to load
1560 * or hangs loading.
1561 */
1562 if (load_module) {
1563 request_module("%s", op->name);
1564 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1565 if (err)
1566 IWL_ERR(drv,
1567 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1568 op->name, err);
1569 #endif
1570 }
1571 goto free;
1572
1573 try_again:
1574 /* try next, if any */
1575 release_firmware(ucode_raw);
1576 if (iwl_request_firmware(drv, false))
1577 goto out_unbind;
1578 goto free;
1579
1580 out_free_fw:
1581 iwl_dealloc_ucode(drv);
1582 release_firmware(ucode_raw);
1583 out_unbind:
1584 complete(&drv->request_firmware_complete);
1585 device_release_driver(drv->trans->dev);
1586 free:
1587 if (pieces) {
1588 for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
1589 kfree(pieces->img[i].sec);
1590 kfree(pieces->dbg_mem_tlv);
1591 kfree(pieces);
1592 }
1593 }
1594
1595 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
1596 {
1597 struct iwl_drv *drv;
1598 int ret;
1599
1600 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1601 if (!drv) {
1602 ret = -ENOMEM;
1603 goto err;
1604 }
1605
1606 drv->trans = trans;
1607 drv->dev = trans->dev;
1608
1609 init_completion(&drv->request_firmware_complete);
1610 INIT_LIST_HEAD(&drv->list);
1611
1612 #ifdef CONFIG_IWLWIFI_DEBUGFS
1613 /* Create the device debugfs entries. */
1614 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1615 iwl_dbgfs_root);
1616
1617 if (!drv->dbgfs_drv) {
1618 IWL_ERR(drv, "failed to create debugfs directory\n");
1619 ret = -ENOMEM;
1620 goto err_free_drv;
1621 }
1622
1623 /* Create transport layer debugfs dir */
1624 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1625
1626 if (!drv->trans->dbgfs_dir) {
1627 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1628 ret = -ENOMEM;
1629 goto err_free_dbgfs;
1630 }
1631 #endif
1632
1633 ret = iwl_request_firmware(drv, true);
1634 if (ret) {
1635 IWL_ERR(trans, "Couldn't request the fw\n");
1636 goto err_fw;
1637 }
1638
1639 return drv;
1640
1641 err_fw:
1642 #ifdef CONFIG_IWLWIFI_DEBUGFS
1643 err_free_dbgfs:
1644 debugfs_remove_recursive(drv->dbgfs_drv);
1645 err_free_drv:
1646 #endif
1647 kfree(drv);
1648 err:
1649 return ERR_PTR(ret);
1650 }
1651
1652 void iwl_drv_stop(struct iwl_drv *drv)
1653 {
1654 wait_for_completion(&drv->request_firmware_complete);
1655
1656 _iwl_op_mode_stop(drv);
1657
1658 iwl_dealloc_ucode(drv);
1659
1660 mutex_lock(&iwlwifi_opmode_table_mtx);
1661 /*
1662 * List is empty (this item wasn't added)
1663 * when firmware loading failed -- in that
1664 * case we can't remove it from any list.
1665 */
1666 if (!list_empty(&drv->list))
1667 list_del(&drv->list);
1668 mutex_unlock(&iwlwifi_opmode_table_mtx);
1669
1670 #ifdef CONFIG_IWLWIFI_DEBUGFS
1671 debugfs_remove_recursive(drv->dbgfs_drv);
1672 #endif
1673
1674 kfree(drv);
1675 }
1676
1677
1678 /* shared module parameters */
1679 struct iwl_mod_params iwlwifi_mod_params = {
1680 .fw_restart = true,
1681 .bt_coex_active = true,
1682 .power_level = IWL_POWER_INDEX_1,
1683 .d0i3_disable = true,
1684 .d0i3_timeout = 1000,
1685 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1686 /* the rest are 0 by default */
1687 };
1688 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1689
1690 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1691 {
1692 int i;
1693 struct iwl_drv *drv;
1694 struct iwlwifi_opmode_table *op;
1695
1696 mutex_lock(&iwlwifi_opmode_table_mtx);
1697 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1698 op = &iwlwifi_opmode_table[i];
1699 if (strcmp(op->name, name))
1700 continue;
1701 op->ops = ops;
1702 /* TODO: need to handle exceptional case */
1703 list_for_each_entry(drv, &op->drv, list)
1704 drv->op_mode = _iwl_op_mode_start(drv, op);
1705
1706 mutex_unlock(&iwlwifi_opmode_table_mtx);
1707 return 0;
1708 }
1709 mutex_unlock(&iwlwifi_opmode_table_mtx);
1710 return -EIO;
1711 }
1712 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1713
1714 void iwl_opmode_deregister(const char *name)
1715 {
1716 int i;
1717 struct iwl_drv *drv;
1718
1719 mutex_lock(&iwlwifi_opmode_table_mtx);
1720 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1721 if (strcmp(iwlwifi_opmode_table[i].name, name))
1722 continue;
1723 iwlwifi_opmode_table[i].ops = NULL;
1724
1725 /* call the stop routine for all devices */
1726 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1727 _iwl_op_mode_stop(drv);
1728
1729 mutex_unlock(&iwlwifi_opmode_table_mtx);
1730 return;
1731 }
1732 mutex_unlock(&iwlwifi_opmode_table_mtx);
1733 }
1734 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1735
1736 static int __init iwl_drv_init(void)
1737 {
1738 int i;
1739
1740 mutex_init(&iwlwifi_opmode_table_mtx);
1741
1742 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1743 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1744
1745 pr_info(DRV_DESCRIPTION "\n");
1746 pr_info(DRV_COPYRIGHT "\n");
1747
1748 #ifdef CONFIG_IWLWIFI_DEBUGFS
1749 /* Create the root of iwlwifi debugfs subsystem. */
1750 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1751
1752 if (!iwl_dbgfs_root)
1753 return -EFAULT;
1754 #endif
1755
1756 return iwl_pci_register_driver();
1757 }
1758 module_init(iwl_drv_init);
1759
1760 static void __exit iwl_drv_exit(void)
1761 {
1762 iwl_pci_unregister_driver();
1763
1764 #ifdef CONFIG_IWLWIFI_DEBUGFS
1765 debugfs_remove_recursive(iwl_dbgfs_root);
1766 #endif
1767 }
1768 module_exit(iwl_drv_exit);
1769
1770 #ifdef CONFIG_IWLWIFI_DEBUG
1771 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1772 S_IRUGO | S_IWUSR);
1773 MODULE_PARM_DESC(debug, "debug output mask");
1774 #endif
1775
1776 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, S_IRUGO);
1777 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1778 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1779 MODULE_PARM_DESC(11n_disable,
1780 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1781 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size,
1782 int, S_IRUGO);
1783 MODULE_PARM_DESC(amsdu_size,
1784 "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)");
1785 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, S_IRUGO);
1786 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1787
1788 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling,
1789 int, S_IRUGO);
1790 MODULE_PARM_DESC(antenna_coupling,
1791 "specify antenna coupling in dB (default: 0 dB)");
1792
1793 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1794 MODULE_PARM_DESC(nvm_file, "NVM file name");
1795
1796 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1797 bool, S_IRUGO);
1798 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1799
1800 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1801 bool, S_IRUGO);
1802 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1803
1804 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1805 uint, S_IRUGO | S_IWUSR);
1806 MODULE_PARM_DESC(uapsd_disable,
1807 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1808
1809 /*
1810 * set bt_coex_active to true, uCode will do kill/defer
1811 * every time the priority line is asserted (BT is sending signals on the
1812 * priority line in the PCIx).
1813 * set bt_coex_active to false, uCode will ignore the BT activity and
1814 * perform the normal operation
1815 *
1816 * User might experience transmit issue on some platform due to WiFi/BT
1817 * co-exist problem. The possible behaviors are:
1818 * Able to scan and finding all the available AP
1819 * Not able to associate with any AP
1820 * On those platforms, WiFi communication can be restored by set
1821 * "bt_coex_active" module parameter to "false"
1822 *
1823 * default: bt_coex_active = true (BT_COEX_ENABLE)
1824 */
1825 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1826 bool, S_IRUGO);
1827 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1828
1829 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1830 MODULE_PARM_DESC(led_mode, "0=system default, "
1831 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1832
1833 module_param_named(power_save, iwlwifi_mod_params.power_save,
1834 bool, S_IRUGO);
1835 MODULE_PARM_DESC(power_save,
1836 "enable WiFi power management (default: disable)");
1837
1838 module_param_named(power_level, iwlwifi_mod_params.power_level,
1839 int, S_IRUGO);
1840 MODULE_PARM_DESC(power_level,
1841 "default power save level (range from 1 - 5, default: 1)");
1842
1843 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1844 MODULE_PARM_DESC(fw_monitor,
1845 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1846
1847 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout,
1848 uint, S_IRUGO);
1849 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
1850
1851 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool,
1852 S_IRUGO);
1853 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
CRIS linux kernel tree