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7#include <linux/completion.h>
8#include <linux/dma-mapping.h>
9#include <linux/firmware.h>
10#include <linux/module.h>
11#include <linux/vmalloc.h>
12
13#include "iwl-drv.h"
14#include "iwl-csr.h"
15#include "iwl-debug.h"
16#include "iwl-trans.h"
17#include "iwl-op-mode.h"
18#include "iwl-agn-hw.h"
19#include "fw/img.h"
20#include "iwl-dbg-tlv.h"
21#include "iwl-config.h"
22#include "iwl-modparams.h"
23#include "fw/api/alive.h"
24#include "fw/api/mac.h"
25
26
27
28
29
30
31
32#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
33MODULE_DESCRIPTION(DRV_DESCRIPTION);
34MODULE_AUTHOR(DRV_AUTHOR);
35MODULE_LICENSE("GPL");
36
37#ifdef CONFIG_IWLWIFI_DEBUGFS
38static struct dentry *iwl_dbgfs_root;
39#endif
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55struct iwl_drv {
56 struct list_head list;
57 struct iwl_fw fw;
58
59 struct iwl_op_mode *op_mode;
60 struct iwl_trans *trans;
61 struct device *dev;
62
63 int fw_index;
64 char firmware_name[64];
65
66 struct completion request_firmware_complete;
67
68#ifdef CONFIG_IWLWIFI_DEBUGFS
69 struct dentry *dbgfs_drv;
70 struct dentry *dbgfs_trans;
71 struct dentry *dbgfs_op_mode;
72#endif
73};
74
75enum {
76 DVM_OP_MODE,
77 MVM_OP_MODE,
78};
79
80
81static DEFINE_MUTEX(iwlwifi_opmode_table_mtx);
82static struct iwlwifi_opmode_table {
83 const char *name;
84 const struct iwl_op_mode_ops *ops;
85 struct list_head drv;
86} iwlwifi_opmode_table[] = {
87 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
88 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
89};
90
91#define IWL_DEFAULT_SCAN_CHANNELS 40
92
93
94
95
96
97struct fw_sec {
98 const void *data;
99 size_t size;
100 u32 offset;
101};
102
103static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
104{
105 vfree(desc->data);
106 desc->data = NULL;
107 desc->len = 0;
108}
109
110static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
111{
112 int i;
113 for (i = 0; i < img->num_sec; i++)
114 iwl_free_fw_desc(drv, &img->sec[i]);
115 kfree(img->sec);
116}
117
118static void iwl_dealloc_ucode(struct iwl_drv *drv)
119{
120 int i;
121
122 kfree(drv->fw.dbg.dest_tlv);
123 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++)
124 kfree(drv->fw.dbg.conf_tlv[i]);
125 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++)
126 kfree(drv->fw.dbg.trigger_tlv[i]);
127 kfree(drv->fw.dbg.mem_tlv);
128 kfree(drv->fw.iml);
129 kfree(drv->fw.ucode_capa.cmd_versions);
130 kfree(drv->fw.phy_integration_ver);
131
132 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
133 iwl_free_fw_img(drv, drv->fw.img + i);
134}
135
136static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
137 struct fw_sec *sec)
138{
139 void *data;
140
141 desc->data = NULL;
142
143 if (!sec || !sec->size)
144 return -EINVAL;
145
146 data = vmalloc(sec->size);
147 if (!data)
148 return -ENOMEM;
149
150 desc->len = sec->size;
151 desc->offset = sec->offset;
152 memcpy(data, sec->data, desc->len);
153 desc->data = data;
154
155 return 0;
156}
157
158static void iwl_req_fw_callback(const struct firmware *ucode_raw,
159 void *context);
160
161static int iwl_request_firmware(struct iwl_drv *drv, bool first)
162{
163 const struct iwl_cfg *cfg = drv->trans->cfg;
164 char tag[8];
165
166 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
167 (CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP &&
168 CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) {
169 IWL_ERR(drv,
170 "Only HW steps B and C are currently supported (0x%0x)\n",
171 drv->trans->hw_rev);
172 return -EINVAL;
173 }
174
175 if (first) {
176 drv->fw_index = cfg->ucode_api_max;
177 sprintf(tag, "%d", drv->fw_index);
178 } else {
179 drv->fw_index--;
180 sprintf(tag, "%d", drv->fw_index);
181 }
182
183 if (drv->fw_index < cfg->ucode_api_min) {
184 IWL_ERR(drv, "no suitable firmware found!\n");
185
186 if (cfg->ucode_api_min == cfg->ucode_api_max) {
187 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre,
188 cfg->ucode_api_max);
189 } else {
190 IWL_ERR(drv, "minimum version required: %s%d\n",
191 cfg->fw_name_pre, cfg->ucode_api_min);
192 IWL_ERR(drv, "maximum version supported: %s%d\n",
193 cfg->fw_name_pre, cfg->ucode_api_max);
194 }
195
196 IWL_ERR(drv,
197 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
198 return -ENOENT;
199 }
200
201 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
202 cfg->fw_name_pre, tag);
203
204 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n",
205 drv->firmware_name);
206
207 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
208 drv->trans->dev,
209 GFP_KERNEL, drv, iwl_req_fw_callback);
210}
211
212struct fw_img_parsing {
213 struct fw_sec *sec;
214 int sec_counter;
215};
216
217
218
219
220struct fw_sec_parsing {
221 __le32 offset;
222 const u8 data[];
223} __packed;
224
225
226
227
228
229
230
231struct iwl_tlv_calib_data {
232 __le32 ucode_type;
233 struct iwl_tlv_calib_ctrl calib;
234} __packed;
235
236struct iwl_firmware_pieces {
237 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
238
239 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
240 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
241
242
243 bool dbg_dest_tlv_init;
244 u8 *dbg_dest_ver;
245 union {
246 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
247 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1;
248 };
249 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
250 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
251 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
252 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
253 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
254 size_t n_mem_tlv;
255};
256
257
258
259
260
261static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
262 enum iwl_ucode_type type,
263 int sec)
264{
265 return &pieces->img[type].sec[sec];
266}
267
268static void alloc_sec_data(struct iwl_firmware_pieces *pieces,
269 enum iwl_ucode_type type,
270 int sec)
271{
272 struct fw_img_parsing *img = &pieces->img[type];
273 struct fw_sec *sec_memory;
274 int size = sec + 1;
275 size_t alloc_size = sizeof(*img->sec) * size;
276
277 if (img->sec && img->sec_counter >= size)
278 return;
279
280 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL);
281 if (!sec_memory)
282 return;
283
284 img->sec = sec_memory;
285 img->sec_counter = size;
286}
287
288static void set_sec_data(struct iwl_firmware_pieces *pieces,
289 enum iwl_ucode_type type,
290 int sec,
291 const void *data)
292{
293 alloc_sec_data(pieces, type, sec);
294
295 pieces->img[type].sec[sec].data = data;
296}
297
298static void set_sec_size(struct iwl_firmware_pieces *pieces,
299 enum iwl_ucode_type type,
300 int sec,
301 size_t size)
302{
303 alloc_sec_data(pieces, type, sec);
304
305 pieces->img[type].sec[sec].size = size;
306}
307
308static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
309 enum iwl_ucode_type type,
310 int sec)
311{
312 return pieces->img[type].sec[sec].size;
313}
314
315static void set_sec_offset(struct iwl_firmware_pieces *pieces,
316 enum iwl_ucode_type type,
317 int sec,
318 u32 offset)
319{
320 alloc_sec_data(pieces, type, sec);
321
322 pieces->img[type].sec[sec].offset = offset;
323}
324
325static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
326{
327 int i, j;
328 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
329 struct iwl_fw_cipher_scheme *fwcs;
330
331 if (len < sizeof(*l) ||
332 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
333 return -EINVAL;
334
335 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
336 fwcs = &l->cs[j];
337
338
339 if (!fwcs->cipher)
340 continue;
341
342 fw->cs[j++] = *fwcs;
343 }
344
345 return 0;
346}
347
348
349
350
351static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
352 const void *data, enum iwl_ucode_type type,
353 int size)
354{
355 struct fw_img_parsing *img;
356 struct fw_sec *sec;
357 struct fw_sec_parsing *sec_parse;
358 size_t alloc_size;
359
360 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
361 return -1;
362
363 sec_parse = (struct fw_sec_parsing *)data;
364
365 img = &pieces->img[type];
366
367 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
368 sec = krealloc(img->sec, alloc_size, GFP_KERNEL);
369 if (!sec)
370 return -ENOMEM;
371 img->sec = sec;
372
373 sec = &img->sec[img->sec_counter];
374
375 sec->offset = le32_to_cpu(sec_parse->offset);
376 sec->data = sec_parse->data;
377 sec->size = size - sizeof(sec_parse->offset);
378
379 ++img->sec_counter;
380
381 return 0;
382}
383
384static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
385{
386 struct iwl_tlv_calib_data *def_calib =
387 (struct iwl_tlv_calib_data *)data;
388 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
389 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
390 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
391 ucode_type);
392 return -EINVAL;
393 }
394 drv->fw.default_calib[ucode_type].flow_trigger =
395 def_calib->calib.flow_trigger;
396 drv->fw.default_calib[ucode_type].event_trigger =
397 def_calib->calib.event_trigger;
398
399 return 0;
400}
401
402static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
403 struct iwl_ucode_capabilities *capa)
404{
405 const struct iwl_ucode_api *ucode_api = (void *)data;
406 u32 api_index = le32_to_cpu(ucode_api->api_index);
407 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
408 int i;
409
410 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
411 IWL_WARN(drv,
412 "api flags index %d larger than supported by driver\n",
413 api_index);
414 return;
415 }
416
417 for (i = 0; i < 32; i++) {
418 if (api_flags & BIT(i))
419 __set_bit(i + 32 * api_index, capa->_api);
420 }
421}
422
423static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
424 struct iwl_ucode_capabilities *capa)
425{
426 const struct iwl_ucode_capa *ucode_capa = (void *)data;
427 u32 api_index = le32_to_cpu(ucode_capa->api_index);
428 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
429 int i;
430
431 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
432 IWL_WARN(drv,
433 "capa flags index %d larger than supported by driver\n",
434 api_index);
435 return;
436 }
437
438 for (i = 0; i < 32; i++) {
439 if (api_flags & BIT(i))
440 __set_bit(i + 32 * api_index, capa->_capa);
441 }
442}
443
444static const char *iwl_reduced_fw_name(struct iwl_drv *drv)
445{
446 const char *name = drv->firmware_name;
447
448 if (strncmp(name, "iwlwifi-", 8) == 0)
449 name += 8;
450
451 return name;
452}
453
454static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
455 const struct firmware *ucode_raw,
456 struct iwl_firmware_pieces *pieces)
457{
458 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
459 u32 api_ver, hdr_size, build;
460 char buildstr[25];
461 const u8 *src;
462
463 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
464 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
465
466 switch (api_ver) {
467 default:
468 hdr_size = 28;
469 if (ucode_raw->size < hdr_size) {
470 IWL_ERR(drv, "File size too small!\n");
471 return -EINVAL;
472 }
473 build = le32_to_cpu(ucode->u.v2.build);
474 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
475 le32_to_cpu(ucode->u.v2.inst_size));
476 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
477 le32_to_cpu(ucode->u.v2.data_size));
478 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
479 le32_to_cpu(ucode->u.v2.init_size));
480 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
481 le32_to_cpu(ucode->u.v2.init_data_size));
482 src = ucode->u.v2.data;
483 break;
484 case 0:
485 case 1:
486 case 2:
487 hdr_size = 24;
488 if (ucode_raw->size < hdr_size) {
489 IWL_ERR(drv, "File size too small!\n");
490 return -EINVAL;
491 }
492 build = 0;
493 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
494 le32_to_cpu(ucode->u.v1.inst_size));
495 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
496 le32_to_cpu(ucode->u.v1.data_size));
497 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
498 le32_to_cpu(ucode->u.v1.init_size));
499 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
500 le32_to_cpu(ucode->u.v1.init_data_size));
501 src = ucode->u.v1.data;
502 break;
503 }
504
505 if (build)
506 sprintf(buildstr, " build %u", build);
507 else
508 buildstr[0] = '\0';
509
510 snprintf(drv->fw.fw_version,
511 sizeof(drv->fw.fw_version),
512 "%u.%u.%u.%u%s %s",
513 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
514 IWL_UCODE_MINOR(drv->fw.ucode_ver),
515 IWL_UCODE_API(drv->fw.ucode_ver),
516 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
517 buildstr, iwl_reduced_fw_name(drv));
518
519
520
521 if (ucode_raw->size != hdr_size +
522 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
523 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
524 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
525 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
526
527 IWL_ERR(drv,
528 "uCode file size %d does not match expected size\n",
529 (int)ucode_raw->size);
530 return -EINVAL;
531 }
532
533
534 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
535 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
536 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
537 IWLAGN_RTC_INST_LOWER_BOUND);
538 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
539 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
540 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
541 IWLAGN_RTC_DATA_LOWER_BOUND);
542 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
543 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
544 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
545 IWLAGN_RTC_INST_LOWER_BOUND);
546 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
547 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
548 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
549 IWLAGN_RTC_DATA_LOWER_BOUND);
550 return 0;
551}
552
553static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
554 const struct firmware *ucode_raw,
555 struct iwl_firmware_pieces *pieces,
556 struct iwl_ucode_capabilities *capa,
557 bool *usniffer_images)
558{
559 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
560 const struct iwl_ucode_tlv *tlv;
561 size_t len = ucode_raw->size;
562 const u8 *data;
563 u32 tlv_len;
564 u32 usniffer_img;
565 enum iwl_ucode_tlv_type tlv_type;
566 const u8 *tlv_data;
567 char buildstr[25];
568 u32 build, paging_mem_size;
569 int num_of_cpus;
570 bool usniffer_req = false;
571
572 if (len < sizeof(*ucode)) {
573 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
574 return -EINVAL;
575 }
576
577 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
578 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
579 le32_to_cpu(ucode->magic));
580 return -EINVAL;
581 }
582
583 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
584 memcpy(drv->fw.human_readable, ucode->human_readable,
585 sizeof(drv->fw.human_readable));
586 build = le32_to_cpu(ucode->build);
587
588 if (build)
589 sprintf(buildstr, " build %u", build);
590 else
591 buildstr[0] = '\0';
592
593 snprintf(drv->fw.fw_version,
594 sizeof(drv->fw.fw_version),
595 "%u.%u.%u.%u%s %s",
596 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
597 IWL_UCODE_MINOR(drv->fw.ucode_ver),
598 IWL_UCODE_API(drv->fw.ucode_ver),
599 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
600 buildstr, iwl_reduced_fw_name(drv));
601
602 data = ucode->data;
603
604 len -= sizeof(*ucode);
605
606 while (len >= sizeof(*tlv)) {
607 len -= sizeof(*tlv);
608 tlv = (void *)data;
609
610 tlv_len = le32_to_cpu(tlv->length);
611 tlv_type = le32_to_cpu(tlv->type);
612 tlv_data = tlv->data;
613
614 if (len < tlv_len) {
615 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
616 len, tlv_len);
617 return -EINVAL;
618 }
619 len -= ALIGN(tlv_len, 4);
620 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
621
622 switch (tlv_type) {
623 case IWL_UCODE_TLV_INST:
624 set_sec_data(pieces, IWL_UCODE_REGULAR,
625 IWL_UCODE_SECTION_INST, tlv_data);
626 set_sec_size(pieces, IWL_UCODE_REGULAR,
627 IWL_UCODE_SECTION_INST, tlv_len);
628 set_sec_offset(pieces, IWL_UCODE_REGULAR,
629 IWL_UCODE_SECTION_INST,
630 IWLAGN_RTC_INST_LOWER_BOUND);
631 break;
632 case IWL_UCODE_TLV_DATA:
633 set_sec_data(pieces, IWL_UCODE_REGULAR,
634 IWL_UCODE_SECTION_DATA, tlv_data);
635 set_sec_size(pieces, IWL_UCODE_REGULAR,
636 IWL_UCODE_SECTION_DATA, tlv_len);
637 set_sec_offset(pieces, IWL_UCODE_REGULAR,
638 IWL_UCODE_SECTION_DATA,
639 IWLAGN_RTC_DATA_LOWER_BOUND);
640 break;
641 case IWL_UCODE_TLV_INIT:
642 set_sec_data(pieces, IWL_UCODE_INIT,
643 IWL_UCODE_SECTION_INST, tlv_data);
644 set_sec_size(pieces, IWL_UCODE_INIT,
645 IWL_UCODE_SECTION_INST, tlv_len);
646 set_sec_offset(pieces, IWL_UCODE_INIT,
647 IWL_UCODE_SECTION_INST,
648 IWLAGN_RTC_INST_LOWER_BOUND);
649 break;
650 case IWL_UCODE_TLV_INIT_DATA:
651 set_sec_data(pieces, IWL_UCODE_INIT,
652 IWL_UCODE_SECTION_DATA, tlv_data);
653 set_sec_size(pieces, IWL_UCODE_INIT,
654 IWL_UCODE_SECTION_DATA, tlv_len);
655 set_sec_offset(pieces, IWL_UCODE_INIT,
656 IWL_UCODE_SECTION_DATA,
657 IWLAGN_RTC_DATA_LOWER_BOUND);
658 break;
659 case IWL_UCODE_TLV_BOOT:
660 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
661 break;
662 case IWL_UCODE_TLV_PROBE_MAX_LEN:
663 if (tlv_len != sizeof(u32))
664 goto invalid_tlv_len;
665 capa->max_probe_length =
666 le32_to_cpup((__le32 *)tlv_data);
667 break;
668 case IWL_UCODE_TLV_PAN:
669 if (tlv_len)
670 goto invalid_tlv_len;
671 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
672 break;
673 case IWL_UCODE_TLV_FLAGS:
674
675 if (tlv_len < sizeof(u32))
676 goto invalid_tlv_len;
677
678 if (tlv_len % sizeof(u32))
679 goto invalid_tlv_len;
680
681
682
683
684
685
686
687 capa->flags = le32_to_cpup((__le32 *)tlv_data);
688 break;
689 case IWL_UCODE_TLV_API_CHANGES_SET:
690 if (tlv_len != sizeof(struct iwl_ucode_api))
691 goto invalid_tlv_len;
692 iwl_set_ucode_api_flags(drv, tlv_data, capa);
693 break;
694 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
695 if (tlv_len != sizeof(struct iwl_ucode_capa))
696 goto invalid_tlv_len;
697 iwl_set_ucode_capabilities(drv, tlv_data, capa);
698 break;
699 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
700 if (tlv_len != sizeof(u32))
701 goto invalid_tlv_len;
702 pieces->init_evtlog_ptr =
703 le32_to_cpup((__le32 *)tlv_data);
704 break;
705 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
706 if (tlv_len != sizeof(u32))
707 goto invalid_tlv_len;
708 pieces->init_evtlog_size =
709 le32_to_cpup((__le32 *)tlv_data);
710 break;
711 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
712 if (tlv_len != sizeof(u32))
713 goto invalid_tlv_len;
714 pieces->init_errlog_ptr =
715 le32_to_cpup((__le32 *)tlv_data);
716 break;
717 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
718 if (tlv_len != sizeof(u32))
719 goto invalid_tlv_len;
720 pieces->inst_evtlog_ptr =
721 le32_to_cpup((__le32 *)tlv_data);
722 break;
723 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
724 if (tlv_len != sizeof(u32))
725 goto invalid_tlv_len;
726 pieces->inst_evtlog_size =
727 le32_to_cpup((__le32 *)tlv_data);
728 break;
729 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
730 if (tlv_len != sizeof(u32))
731 goto invalid_tlv_len;
732 pieces->inst_errlog_ptr =
733 le32_to_cpup((__le32 *)tlv_data);
734 break;
735 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
736 if (tlv_len)
737 goto invalid_tlv_len;
738 drv->fw.enhance_sensitivity_table = true;
739 break;
740 case IWL_UCODE_TLV_WOWLAN_INST:
741 set_sec_data(pieces, IWL_UCODE_WOWLAN,
742 IWL_UCODE_SECTION_INST, tlv_data);
743 set_sec_size(pieces, IWL_UCODE_WOWLAN,
744 IWL_UCODE_SECTION_INST, tlv_len);
745 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
746 IWL_UCODE_SECTION_INST,
747 IWLAGN_RTC_INST_LOWER_BOUND);
748 break;
749 case IWL_UCODE_TLV_WOWLAN_DATA:
750 set_sec_data(pieces, IWL_UCODE_WOWLAN,
751 IWL_UCODE_SECTION_DATA, tlv_data);
752 set_sec_size(pieces, IWL_UCODE_WOWLAN,
753 IWL_UCODE_SECTION_DATA, tlv_len);
754 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
755 IWL_UCODE_SECTION_DATA,
756 IWLAGN_RTC_DATA_LOWER_BOUND);
757 break;
758 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
759 if (tlv_len != sizeof(u32))
760 goto invalid_tlv_len;
761 capa->standard_phy_calibration_size =
762 le32_to_cpup((__le32 *)tlv_data);
763 break;
764 case IWL_UCODE_TLV_SEC_RT:
765 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
766 tlv_len);
767 drv->fw.type = IWL_FW_MVM;
768 break;
769 case IWL_UCODE_TLV_SEC_INIT:
770 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
771 tlv_len);
772 drv->fw.type = IWL_FW_MVM;
773 break;
774 case IWL_UCODE_TLV_SEC_WOWLAN:
775 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
776 tlv_len);
777 drv->fw.type = IWL_FW_MVM;
778 break;
779 case IWL_UCODE_TLV_DEF_CALIB:
780 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
781 goto invalid_tlv_len;
782 if (iwl_set_default_calib(drv, tlv_data))
783 goto tlv_error;
784 break;
785 case IWL_UCODE_TLV_PHY_SKU:
786 if (tlv_len != sizeof(u32))
787 goto invalid_tlv_len;
788 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
789 drv->fw.valid_tx_ant = (drv->fw.phy_config &
790 FW_PHY_CFG_TX_CHAIN) >>
791 FW_PHY_CFG_TX_CHAIN_POS;
792 drv->fw.valid_rx_ant = (drv->fw.phy_config &
793 FW_PHY_CFG_RX_CHAIN) >>
794 FW_PHY_CFG_RX_CHAIN_POS;
795 break;
796 case IWL_UCODE_TLV_SECURE_SEC_RT:
797 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
798 tlv_len);
799 drv->fw.type = IWL_FW_MVM;
800 break;
801 case IWL_UCODE_TLV_SECURE_SEC_INIT:
802 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
803 tlv_len);
804 drv->fw.type = IWL_FW_MVM;
805 break;
806 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
807 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
808 tlv_len);
809 drv->fw.type = IWL_FW_MVM;
810 break;
811 case IWL_UCODE_TLV_NUM_OF_CPU:
812 if (tlv_len != sizeof(u32))
813 goto invalid_tlv_len;
814 num_of_cpus =
815 le32_to_cpup((__le32 *)tlv_data);
816
817 if (num_of_cpus == 2) {
818 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
819 true;
820 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
821 true;
822 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
823 true;
824 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
825 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
826 return -EINVAL;
827 }
828 break;
829 case IWL_UCODE_TLV_CSCHEME:
830 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
831 goto invalid_tlv_len;
832 break;
833 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
834 if (tlv_len != sizeof(u32))
835 goto invalid_tlv_len;
836 capa->n_scan_channels =
837 le32_to_cpup((__le32 *)tlv_data);
838 break;
839 case IWL_UCODE_TLV_FW_VERSION: {
840 __le32 *ptr = (void *)tlv_data;
841 u32 major, minor;
842 u8 local_comp;
843
844 if (tlv_len != sizeof(u32) * 3)
845 goto invalid_tlv_len;
846
847 major = le32_to_cpup(ptr++);
848 minor = le32_to_cpup(ptr++);
849 local_comp = le32_to_cpup(ptr);
850
851 if (major >= 35)
852 snprintf(drv->fw.fw_version,
853 sizeof(drv->fw.fw_version),
854 "%u.%08x.%u %s", major, minor,
855 local_comp, iwl_reduced_fw_name(drv));
856 else
857 snprintf(drv->fw.fw_version,
858 sizeof(drv->fw.fw_version),
859 "%u.%u.%u %s", major, minor,
860 local_comp, iwl_reduced_fw_name(drv));
861 break;
862 }
863 case IWL_UCODE_TLV_FW_DBG_DEST: {
864 struct iwl_fw_dbg_dest_tlv *dest = NULL;
865 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL;
866 u8 mon_mode;
867
868 pieces->dbg_dest_ver = (u8 *)tlv_data;
869 if (*pieces->dbg_dest_ver == 1) {
870 dest = (void *)tlv_data;
871 } else if (*pieces->dbg_dest_ver == 0) {
872 dest_v1 = (void *)tlv_data;
873 } else {
874 IWL_ERR(drv,
875 "The version is %d, and it is invalid\n",
876 *pieces->dbg_dest_ver);
877 break;
878 }
879
880 if (pieces->dbg_dest_tlv_init) {
881 IWL_ERR(drv,
882 "dbg destination ignored, already exists\n");
883 break;
884 }
885
886 pieces->dbg_dest_tlv_init = true;
887
888 if (dest_v1) {
889 pieces->dbg_dest_tlv_v1 = dest_v1;
890 mon_mode = dest_v1->monitor_mode;
891 } else {
892 pieces->dbg_dest_tlv = dest;
893 mon_mode = dest->monitor_mode;
894 }
895
896 IWL_INFO(drv, "Found debug destination: %s\n",
897 get_fw_dbg_mode_string(mon_mode));
898
899 drv->fw.dbg.n_dest_reg = (dest_v1) ?
900 tlv_len -
901 offsetof(struct iwl_fw_dbg_dest_tlv_v1,
902 reg_ops) :
903 tlv_len -
904 offsetof(struct iwl_fw_dbg_dest_tlv,
905 reg_ops);
906
907 drv->fw.dbg.n_dest_reg /=
908 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]);
909
910 break;
911 }
912 case IWL_UCODE_TLV_FW_DBG_CONF: {
913 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
914
915 if (!pieces->dbg_dest_tlv_init) {
916 IWL_ERR(drv,
917 "Ignore dbg config %d - no destination configured\n",
918 conf->id);
919 break;
920 }
921
922 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) {
923 IWL_ERR(drv,
924 "Skip unknown configuration: %d\n",
925 conf->id);
926 break;
927 }
928
929 if (pieces->dbg_conf_tlv[conf->id]) {
930 IWL_ERR(drv,
931 "Ignore duplicate dbg config %d\n",
932 conf->id);
933 break;
934 }
935
936 if (conf->usniffer)
937 usniffer_req = true;
938
939 IWL_INFO(drv, "Found debug configuration: %d\n",
940 conf->id);
941
942 pieces->dbg_conf_tlv[conf->id] = conf;
943 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
944 break;
945 }
946 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
947 struct iwl_fw_dbg_trigger_tlv *trigger =
948 (void *)tlv_data;
949 u32 trigger_id = le32_to_cpu(trigger->id);
950
951 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) {
952 IWL_ERR(drv,
953 "Skip unknown trigger: %u\n",
954 trigger->id);
955 break;
956 }
957
958 if (pieces->dbg_trigger_tlv[trigger_id]) {
959 IWL_ERR(drv,
960 "Ignore duplicate dbg trigger %u\n",
961 trigger->id);
962 break;
963 }
964
965 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
966
967 pieces->dbg_trigger_tlv[trigger_id] = trigger;
968 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
969 break;
970 }
971 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: {
972 if (tlv_len != sizeof(u32)) {
973 IWL_ERR(drv,
974 "dbg lst mask size incorrect, skip\n");
975 break;
976 }
977
978 drv->fw.dbg.dump_mask =
979 le32_to_cpup((__le32 *)tlv_data);
980 break;
981 }
982 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
983 *usniffer_images = true;
984 iwl_store_ucode_sec(pieces, tlv_data,
985 IWL_UCODE_REGULAR_USNIFFER,
986 tlv_len);
987 break;
988 case IWL_UCODE_TLV_PAGING:
989 if (tlv_len != sizeof(u32))
990 goto invalid_tlv_len;
991 paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
992
993 IWL_DEBUG_FW(drv,
994 "Paging: paging enabled (size = %u bytes)\n",
995 paging_mem_size);
996
997 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
998 IWL_ERR(drv,
999 "Paging: driver supports up to %lu bytes for paging image\n",
1000 MAX_PAGING_IMAGE_SIZE);
1001 return -EINVAL;
1002 }
1003
1004 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1005 IWL_ERR(drv,
1006 "Paging: image isn't multiple %lu\n",
1007 FW_PAGING_SIZE);
1008 return -EINVAL;
1009 }
1010
1011 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1012 paging_mem_size;
1013 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1014 drv->fw.img[usniffer_img].paging_mem_size =
1015 paging_mem_size;
1016 break;
1017 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1018
1019 break;
1020 case IWL_UCODE_TLV_FW_MEM_SEG: {
1021 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1022 (void *)tlv_data;
1023 size_t size;
1024 struct iwl_fw_dbg_mem_seg_tlv *n;
1025
1026 if (tlv_len != (sizeof(*dbg_mem)))
1027 goto invalid_tlv_len;
1028
1029 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1030 dbg_mem->data_type);
1031
1032 size = sizeof(*pieces->dbg_mem_tlv) *
1033 (pieces->n_mem_tlv + 1);
1034 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);
1035 if (!n)
1036 return -ENOMEM;
1037 pieces->dbg_mem_tlv = n;
1038 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem;
1039 pieces->n_mem_tlv++;
1040 break;
1041 }
1042 case IWL_UCODE_TLV_IML: {
1043 drv->fw.iml_len = tlv_len;
1044 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1045 if (!drv->fw.iml)
1046 return -ENOMEM;
1047 break;
1048 }
1049 case IWL_UCODE_TLV_FW_RECOVERY_INFO: {
1050 struct {
1051 __le32 buf_addr;
1052 __le32 buf_size;
1053 } *recov_info = (void *)tlv_data;
1054
1055 if (tlv_len != sizeof(*recov_info))
1056 goto invalid_tlv_len;
1057 capa->error_log_addr =
1058 le32_to_cpu(recov_info->buf_addr);
1059 capa->error_log_size =
1060 le32_to_cpu(recov_info->buf_size);
1061 }
1062 break;
1063 case IWL_UCODE_TLV_FW_FSEQ_VERSION: {
1064 struct {
1065 u8 version[32];
1066 u8 sha1[20];
1067 } *fseq_ver = (void *)tlv_data;
1068
1069 if (tlv_len != sizeof(*fseq_ver))
1070 goto invalid_tlv_len;
1071 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n",
1072 fseq_ver->version);
1073 }
1074 break;
1075 case IWL_UCODE_TLV_FW_NUM_STATIONS:
1076 if (tlv_len != sizeof(u32))
1077 goto invalid_tlv_len;
1078 if (le32_to_cpup((__le32 *)tlv_data) >
1079 IWL_MVM_STATION_COUNT_MAX) {
1080 IWL_ERR(drv,
1081 "%d is an invalid number of station\n",
1082 le32_to_cpup((__le32 *)tlv_data));
1083 goto tlv_error;
1084 }
1085 capa->num_stations =
1086 le32_to_cpup((__le32 *)tlv_data);
1087 break;
1088 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: {
1089 struct iwl_umac_debug_addrs *dbg_ptrs =
1090 (void *)tlv_data;
1091
1092 if (tlv_len != sizeof(*dbg_ptrs))
1093 goto invalid_tlv_len;
1094 if (drv->trans->trans_cfg->device_family <
1095 IWL_DEVICE_FAMILY_22000)
1096 break;
1097 drv->trans->dbg.umac_error_event_table =
1098 le32_to_cpu(dbg_ptrs->error_info_addr) &
1099 ~FW_ADDR_CACHE_CONTROL;
1100 drv->trans->dbg.error_event_table_tlv_status |=
1101 IWL_ERROR_EVENT_TABLE_UMAC;
1102 break;
1103 }
1104 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: {
1105 struct iwl_lmac_debug_addrs *dbg_ptrs =
1106 (void *)tlv_data;
1107
1108 if (tlv_len != sizeof(*dbg_ptrs))
1109 goto invalid_tlv_len;
1110 if (drv->trans->trans_cfg->device_family <
1111 IWL_DEVICE_FAMILY_22000)
1112 break;
1113 drv->trans->dbg.lmac_error_event_table[0] =
1114 le32_to_cpu(dbg_ptrs->error_event_table_ptr) &
1115 ~FW_ADDR_CACHE_CONTROL;
1116 drv->trans->dbg.error_event_table_tlv_status |=
1117 IWL_ERROR_EVENT_TABLE_LMAC1;
1118 break;
1119 }
1120 case IWL_UCODE_TLV_TCM_DEBUG_ADDRS: {
1121 struct iwl_fw_tcm_error_addr *ptr = (void *)tlv_data;
1122
1123 if (tlv_len != sizeof(*ptr))
1124 goto invalid_tlv_len;
1125 drv->trans->dbg.tcm_error_event_table =
1126 le32_to_cpu(ptr->addr) & ~FW_ADDR_CACHE_CONTROL;
1127 drv->trans->dbg.error_event_table_tlv_status |=
1128 IWL_ERROR_EVENT_TABLE_TCM;
1129 break;
1130 }
1131 case IWL_UCODE_TLV_TYPE_DEBUG_INFO:
1132 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:
1133 case IWL_UCODE_TLV_TYPE_HCMD:
1134 case IWL_UCODE_TLV_TYPE_REGIONS:
1135 case IWL_UCODE_TLV_TYPE_TRIGGERS:
1136 if (iwlwifi_mod_params.enable_ini)
1137 iwl_dbg_tlv_alloc(drv->trans, tlv, false);
1138 break;
1139 case IWL_UCODE_TLV_CMD_VERSIONS:
1140 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) {
1141 IWL_ERR(drv,
1142 "Invalid length for command versions: %u\n",
1143 tlv_len);
1144 tlv_len /= sizeof(struct iwl_fw_cmd_version);
1145 tlv_len *= sizeof(struct iwl_fw_cmd_version);
1146 }
1147 if (WARN_ON(capa->cmd_versions))
1148 return -EINVAL;
1149 capa->cmd_versions = kmemdup(tlv_data, tlv_len,
1150 GFP_KERNEL);
1151 if (!capa->cmd_versions)
1152 return -ENOMEM;
1153 capa->n_cmd_versions =
1154 tlv_len / sizeof(struct iwl_fw_cmd_version);
1155 break;
1156 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION:
1157 if (drv->fw.phy_integration_ver) {
1158 IWL_ERR(drv,
1159 "phy integration str ignored, already exists\n");
1160 break;
1161 }
1162
1163 drv->fw.phy_integration_ver =
1164 kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1165 if (!drv->fw.phy_integration_ver)
1166 return -ENOMEM;
1167 drv->fw.phy_integration_ver_len = tlv_len;
1168 break;
1169 default:
1170 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1171 break;
1172 }
1173 }
1174
1175 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1176 usniffer_req && !*usniffer_images) {
1177 IWL_ERR(drv,
1178 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1179 return -EINVAL;
1180 }
1181
1182 if (len) {
1183 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1184 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1185 return -EINVAL;
1186 }
1187
1188 return 0;
1189
1190 invalid_tlv_len:
1191 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1192 tlv_error:
1193 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1194
1195 return -EINVAL;
1196}
1197
1198static int iwl_alloc_ucode(struct iwl_drv *drv,
1199 struct iwl_firmware_pieces *pieces,
1200 enum iwl_ucode_type type)
1201{
1202 int i;
1203 struct fw_desc *sec;
1204
1205 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL);
1206 if (!sec)
1207 return -ENOMEM;
1208 drv->fw.img[type].sec = sec;
1209 drv->fw.img[type].num_sec = pieces->img[type].sec_counter;
1210
1211 for (i = 0; i < pieces->img[type].sec_counter; i++)
1212 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i)))
1213 return -ENOMEM;
1214
1215 return 0;
1216}
1217
1218static int validate_sec_sizes(struct iwl_drv *drv,
1219 struct iwl_firmware_pieces *pieces,
1220 const struct iwl_cfg *cfg)
1221{
1222 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n",
1223 get_sec_size(pieces, IWL_UCODE_REGULAR,
1224 IWL_UCODE_SECTION_INST));
1225 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n",
1226 get_sec_size(pieces, IWL_UCODE_REGULAR,
1227 IWL_UCODE_SECTION_DATA));
1228 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n",
1229 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1230 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n",
1231 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1232
1233
1234 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1235 cfg->max_inst_size) {
1236 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n",
1237 get_sec_size(pieces, IWL_UCODE_REGULAR,
1238 IWL_UCODE_SECTION_INST));
1239 return -1;
1240 }
1241
1242 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1243 cfg->max_data_size) {
1244 IWL_ERR(drv, "uCode data len %zd too large to fit in\n",
1245 get_sec_size(pieces, IWL_UCODE_REGULAR,
1246 IWL_UCODE_SECTION_DATA));
1247 return -1;
1248 }
1249
1250 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1251 cfg->max_inst_size) {
1252 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n",
1253 get_sec_size(pieces, IWL_UCODE_INIT,
1254 IWL_UCODE_SECTION_INST));
1255 return -1;
1256 }
1257
1258 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1259 cfg->max_data_size) {
1260 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n",
1261 get_sec_size(pieces, IWL_UCODE_REGULAR,
1262 IWL_UCODE_SECTION_DATA));
1263 return -1;
1264 }
1265 return 0;
1266}
1267
1268static struct iwl_op_mode *
1269_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1270{
1271 const struct iwl_op_mode_ops *ops = op->ops;
1272 struct dentry *dbgfs_dir = NULL;
1273 struct iwl_op_mode *op_mode = NULL;
1274
1275#ifdef CONFIG_IWLWIFI_DEBUGFS
1276 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1277 drv->dbgfs_drv);
1278 dbgfs_dir = drv->dbgfs_op_mode;
1279#endif
1280
1281 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir);
1282
1283#ifdef CONFIG_IWLWIFI_DEBUGFS
1284 if (!op_mode) {
1285 debugfs_remove_recursive(drv->dbgfs_op_mode);
1286 drv->dbgfs_op_mode = NULL;
1287 }
1288#endif
1289
1290 return op_mode;
1291}
1292
1293static void _iwl_op_mode_stop(struct iwl_drv *drv)
1294{
1295
1296 if (drv->op_mode) {
1297 iwl_op_mode_stop(drv->op_mode);
1298 drv->op_mode = NULL;
1299
1300#ifdef CONFIG_IWLWIFI_DEBUGFS
1301 debugfs_remove_recursive(drv->dbgfs_op_mode);
1302 drv->dbgfs_op_mode = NULL;
1303#endif
1304 }
1305}
1306
1307
1308
1309
1310
1311
1312
1313static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1314{
1315 struct iwl_drv *drv = context;
1316 struct iwl_fw *fw = &drv->fw;
1317 struct iwl_ucode_header *ucode;
1318 struct iwlwifi_opmode_table *op;
1319 int err;
1320 struct iwl_firmware_pieces *pieces;
1321 const unsigned int api_max = drv->trans->cfg->ucode_api_max;
1322 const unsigned int api_min = drv->trans->cfg->ucode_api_min;
1323 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1324 u32 api_ver;
1325 int i;
1326 bool load_module = false;
1327 bool usniffer_images = false;
1328
1329 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1330 fw->ucode_capa.standard_phy_calibration_size =
1331 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1332 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1333 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX;
1334
1335 fw->dbg.dump_mask = 0xffffffff;
1336
1337 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1338 if (!pieces)
1339 goto out_free_fw;
1340
1341 if (!ucode_raw)
1342 goto try_again;
1343
1344 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1345 drv->firmware_name, ucode_raw->size);
1346
1347
1348 if (ucode_raw->size < 4) {
1349 IWL_ERR(drv, "File size way too small!\n");
1350 goto try_again;
1351 }
1352
1353
1354 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1355
1356 if (ucode->ver)
1357 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1358 else
1359 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1360 &fw->ucode_capa, &usniffer_images);
1361
1362 if (err)
1363 goto try_again;
1364
1365 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1366 api_ver = drv->fw.ucode_ver;
1367 else
1368 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1369
1370
1371
1372
1373
1374
1375 if (api_ver < api_min || api_ver > api_max) {
1376 IWL_ERR(drv,
1377 "Driver unable to support your firmware API. "
1378 "Driver supports v%u, firmware is v%u.\n",
1379 api_max, api_ver);
1380 goto try_again;
1381 }
1382
1383
1384
1385
1386
1387 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces,
1388 drv->trans->cfg))
1389 goto try_again;
1390
1391
1392
1393
1394
1395
1396
1397 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1398 if (iwl_alloc_ucode(drv, pieces, i))
1399 goto out_free_fw;
1400
1401 if (pieces->dbg_dest_tlv_init) {
1402 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) +
1403 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1404 drv->fw.dbg.n_dest_reg;
1405
1406 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);
1407
1408 if (!drv->fw.dbg.dest_tlv)
1409 goto out_free_fw;
1410
1411 if (*pieces->dbg_dest_ver == 0) {
1412 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1,
1413 dbg_dest_size);
1414 } else {
1415 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv =
1416 drv->fw.dbg.dest_tlv;
1417
1418 dest_tlv->version = pieces->dbg_dest_tlv->version;
1419 dest_tlv->monitor_mode =
1420 pieces->dbg_dest_tlv->monitor_mode;
1421 dest_tlv->size_power =
1422 pieces->dbg_dest_tlv->size_power;
1423 dest_tlv->wrap_count =
1424 pieces->dbg_dest_tlv->wrap_count;
1425 dest_tlv->write_ptr_reg =
1426 pieces->dbg_dest_tlv->write_ptr_reg;
1427 dest_tlv->base_shift =
1428 pieces->dbg_dest_tlv->base_shift;
1429 memcpy(dest_tlv->reg_ops,
1430 pieces->dbg_dest_tlv->reg_ops,
1431 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1432 drv->fw.dbg.n_dest_reg);
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg;
1443 dest_tlv->end_shift =
1444 pieces->dbg_dest_tlv->size_shift;
1445 }
1446 }
1447
1448 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) {
1449 if (pieces->dbg_conf_tlv[i]) {
1450 drv->fw.dbg.conf_tlv[i] =
1451 kmemdup(pieces->dbg_conf_tlv[i],
1452 pieces->dbg_conf_tlv_len[i],
1453 GFP_KERNEL);
1454 if (!drv->fw.dbg.conf_tlv[i])
1455 goto out_free_fw;
1456 }
1457 }
1458
1459 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1460
1461 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1462 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1463 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1464 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1465 sizeof(struct iwl_fw_dbg_trigger_cmd);
1466 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1467 sizeof(struct iwl_fw_dbg_trigger_mlme);
1468 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1469 sizeof(struct iwl_fw_dbg_trigger_stats);
1470 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1471 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1472 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1473 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1474 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1475 sizeof(struct iwl_fw_dbg_trigger_time_event);
1476 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1477 sizeof(struct iwl_fw_dbg_trigger_ba);
1478 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1479 sizeof(struct iwl_fw_dbg_trigger_tdls);
1480
1481 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) {
1482 if (pieces->dbg_trigger_tlv[i]) {
1483
1484
1485
1486
1487
1488
1489
1490 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1491 (trigger_tlv_sz[i] +
1492 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1493 goto out_free_fw;
1494 drv->fw.dbg.trigger_tlv_len[i] =
1495 pieces->dbg_trigger_tlv_len[i];
1496 drv->fw.dbg.trigger_tlv[i] =
1497 kmemdup(pieces->dbg_trigger_tlv[i],
1498 drv->fw.dbg.trigger_tlv_len[i],
1499 GFP_KERNEL);
1500 if (!drv->fw.dbg.trigger_tlv[i])
1501 goto out_free_fw;
1502 }
1503 }
1504
1505
1506
1507 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv;
1508 pieces->dbg_mem_tlv = NULL;
1509 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv;
1510
1511
1512
1513
1514
1515
1516 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1517 if (pieces->init_evtlog_size)
1518 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1519 else
1520 fw->init_evtlog_size =
1521 drv->trans->trans_cfg->base_params->max_event_log_size;
1522 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1523 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1524 if (pieces->inst_evtlog_size)
1525 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1526 else
1527 fw->inst_evtlog_size =
1528 drv->trans->trans_cfg->base_params->max_event_log_size;
1529 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1530
1531
1532
1533
1534
1535 if (fw->ucode_capa.standard_phy_calibration_size >
1536 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1537 fw->ucode_capa.standard_phy_calibration_size =
1538 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1539
1540
1541 release_firmware(ucode_raw);
1542
1543 mutex_lock(&iwlwifi_opmode_table_mtx);
1544 switch (fw->type) {
1545 case IWL_FW_DVM:
1546 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1547 break;
1548 default:
1549 WARN(1, "Invalid fw type %d\n", fw->type);
1550 fallthrough;
1551 case IWL_FW_MVM:
1552 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1553 break;
1554 }
1555
1556 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1557 drv->fw.fw_version, op->name);
1558
1559 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans);
1560
1561
1562 list_add_tail(&drv->list, &op->drv);
1563
1564 if (op->ops) {
1565 drv->op_mode = _iwl_op_mode_start(drv, op);
1566
1567 if (!drv->op_mode) {
1568 mutex_unlock(&iwlwifi_opmode_table_mtx);
1569 goto out_unbind;
1570 }
1571 } else {
1572 load_module = true;
1573 }
1574 mutex_unlock(&iwlwifi_opmode_table_mtx);
1575
1576
1577
1578
1579
1580
1581 complete(&drv->request_firmware_complete);
1582
1583
1584
1585
1586
1587
1588 if (load_module) {
1589 request_module("%s", op->name);
1590#ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1591 if (err)
1592 IWL_ERR(drv,
1593 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1594 op->name, err);
1595#endif
1596 }
1597 goto free;
1598
1599 try_again:
1600
1601 release_firmware(ucode_raw);
1602 if (iwl_request_firmware(drv, false))
1603 goto out_unbind;
1604 goto free;
1605
1606 out_free_fw:
1607 release_firmware(ucode_raw);
1608 out_unbind:
1609 complete(&drv->request_firmware_complete);
1610 device_release_driver(drv->trans->dev);
1611 free:
1612 if (pieces) {
1613 for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
1614 kfree(pieces->img[i].sec);
1615 kfree(pieces->dbg_mem_tlv);
1616 kfree(pieces);
1617 }
1618}
1619
1620struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
1621{
1622 struct iwl_drv *drv;
1623 int ret;
1624
1625 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1626 if (!drv) {
1627 ret = -ENOMEM;
1628 goto err;
1629 }
1630
1631 drv->trans = trans;
1632 drv->dev = trans->dev;
1633
1634 init_completion(&drv->request_firmware_complete);
1635 INIT_LIST_HEAD(&drv->list);
1636
1637#ifdef CONFIG_IWLWIFI_DEBUGFS
1638
1639 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1640 iwl_dbgfs_root);
1641
1642
1643 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1644#endif
1645
1646 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans);
1647
1648 ret = iwl_request_firmware(drv, true);
1649 if (ret) {
1650 IWL_ERR(trans, "Couldn't request the fw\n");
1651 goto err_fw;
1652 }
1653
1654 return drv;
1655
1656err_fw:
1657#ifdef CONFIG_IWLWIFI_DEBUGFS
1658 debugfs_remove_recursive(drv->dbgfs_drv);
1659 iwl_dbg_tlv_free(drv->trans);
1660#endif
1661 kfree(drv);
1662err:
1663 return ERR_PTR(ret);
1664}
1665
1666void iwl_drv_stop(struct iwl_drv *drv)
1667{
1668 wait_for_completion(&drv->request_firmware_complete);
1669
1670 _iwl_op_mode_stop(drv);
1671
1672 iwl_dealloc_ucode(drv);
1673
1674 mutex_lock(&iwlwifi_opmode_table_mtx);
1675
1676
1677
1678
1679
1680 if (!list_empty(&drv->list))
1681 list_del(&drv->list);
1682 mutex_unlock(&iwlwifi_opmode_table_mtx);
1683
1684#ifdef CONFIG_IWLWIFI_DEBUGFS
1685 drv->trans->ops->debugfs_cleanup(drv->trans);
1686
1687 debugfs_remove_recursive(drv->dbgfs_drv);
1688#endif
1689
1690 iwl_dbg_tlv_free(drv->trans);
1691
1692 kfree(drv);
1693}
1694
1695
1696
1697struct iwl_mod_params iwlwifi_mod_params = {
1698 .fw_restart = true,
1699 .bt_coex_active = true,
1700 .power_level = IWL_POWER_INDEX_1,
1701 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1702 .enable_ini = true,
1703
1704};
1705IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1706
1707int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1708{
1709 int i;
1710 struct iwl_drv *drv;
1711 struct iwlwifi_opmode_table *op;
1712
1713 mutex_lock(&iwlwifi_opmode_table_mtx);
1714 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1715 op = &iwlwifi_opmode_table[i];
1716 if (strcmp(op->name, name))
1717 continue;
1718 op->ops = ops;
1719
1720 list_for_each_entry(drv, &op->drv, list)
1721 drv->op_mode = _iwl_op_mode_start(drv, op);
1722
1723 mutex_unlock(&iwlwifi_opmode_table_mtx);
1724 return 0;
1725 }
1726 mutex_unlock(&iwlwifi_opmode_table_mtx);
1727 return -EIO;
1728}
1729IWL_EXPORT_SYMBOL(iwl_opmode_register);
1730
1731void iwl_opmode_deregister(const char *name)
1732{
1733 int i;
1734 struct iwl_drv *drv;
1735
1736 mutex_lock(&iwlwifi_opmode_table_mtx);
1737 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1738 if (strcmp(iwlwifi_opmode_table[i].name, name))
1739 continue;
1740 iwlwifi_opmode_table[i].ops = NULL;
1741
1742
1743 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1744 _iwl_op_mode_stop(drv);
1745
1746 mutex_unlock(&iwlwifi_opmode_table_mtx);
1747 return;
1748 }
1749 mutex_unlock(&iwlwifi_opmode_table_mtx);
1750}
1751IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1752
1753static int __init iwl_drv_init(void)
1754{
1755 int i, err;
1756
1757 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1758 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1759
1760 pr_info(DRV_DESCRIPTION "\n");
1761
1762#ifdef CONFIG_IWLWIFI_DEBUGFS
1763
1764 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1765#endif
1766
1767 err = iwl_pci_register_driver();
1768 if (err)
1769 goto cleanup_debugfs;
1770
1771 return 0;
1772
1773cleanup_debugfs:
1774#ifdef CONFIG_IWLWIFI_DEBUGFS
1775 debugfs_remove_recursive(iwl_dbgfs_root);
1776#endif
1777 return err;
1778}
1779module_init(iwl_drv_init);
1780
1781static void __exit iwl_drv_exit(void)
1782{
1783 iwl_pci_unregister_driver();
1784
1785#ifdef CONFIG_IWLWIFI_DEBUGFS
1786 debugfs_remove_recursive(iwl_dbgfs_root);
1787#endif
1788}
1789module_exit(iwl_drv_exit);
1790
1791#ifdef CONFIG_IWLWIFI_DEBUG
1792module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644);
1793MODULE_PARM_DESC(debug, "debug output mask");
1794#endif
1795
1796module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444);
1797MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1798module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444);
1799MODULE_PARM_DESC(11n_disable,
1800 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1801module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444);
1802MODULE_PARM_DESC(amsdu_size,
1803 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, "
1804 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)");
1805module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);
1806MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1807
1808module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);
1809MODULE_PARM_DESC(nvm_file, "NVM file name");
1810
1811module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);
1812MODULE_PARM_DESC(uapsd_disable,
1813 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1814module_param_named(enable_ini, iwlwifi_mod_params.enable_ini,
1815 bool, S_IRUGO | S_IWUSR);
1816MODULE_PARM_DESC(enable_ini,
1817 "Enable debug INI TLV FW debug infrastructure (default: true");
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1836 bool, 0444);
1837MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1838
1839module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444);
1840MODULE_PARM_DESC(led_mode, "0=system default, "
1841 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1842
1843module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444);
1844MODULE_PARM_DESC(power_save,
1845 "enable WiFi power management (default: disable)");
1846
1847module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444);
1848MODULE_PARM_DESC(power_level,
1849 "default power save level (range from 1 - 5, default: 1)");
1850
1851module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);
1852MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
1853
1854module_param_named(remove_when_gone,
1855 iwlwifi_mod_params.remove_when_gone, bool,
1856 0444);
1857MODULE_PARM_DESC(remove_when_gone,
1858 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)");
1859
1860module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool,
1861 S_IRUGO);
1862MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
1863
