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63#include <linux/completion.h>
64#include <linux/dma-mapping.h>
65#include <linux/firmware.h>
66#include <linux/module.h>
67
68#include "iwl-drv.h"
69#include "iwl-debug.h"
70#include "iwl-trans.h"
71#include "iwl-op-mode.h"
72#include "iwl-agn-hw.h"
73#include "iwl-fw.h"
74#include "iwl-config.h"
75#include "iwl-modparams.h"
76
77
78#include "iwl-fw-file.h"
79
80
81
82
83
84
85
86
87
88
89
90
91struct iwl_drv {
92 struct iwl_fw fw;
93
94 struct iwl_op_mode *op_mode;
95 struct iwl_trans *trans;
96 struct device *dev;
97 const struct iwl_cfg *cfg;
98
99 int fw_index;
100 char firmware_name[25];
101
102 struct completion request_firmware_complete;
103};
104
105
106
107
108
109
110
111struct fw_sec {
112 const void *data;
113 size_t size;
114 u32 offset;
115};
116
117static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
118{
119 if (desc->v_addr)
120 dma_free_coherent(drv->trans->dev, desc->len,
121 desc->v_addr, desc->p_addr);
122 desc->v_addr = NULL;
123 desc->len = 0;
124}
125
126static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
127{
128 int i;
129 for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
130 iwl_free_fw_desc(drv, &img->sec[i]);
131}
132
133static void iwl_dealloc_ucode(struct iwl_drv *drv)
134{
135 int i;
136 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
137 iwl_free_fw_img(drv, drv->fw.img + i);
138}
139
140static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
141 struct fw_sec *sec)
142{
143 if (!sec || !sec->size) {
144 desc->v_addr = NULL;
145 return -EINVAL;
146 }
147
148 desc->v_addr = dma_alloc_coherent(drv->trans->dev, sec->size,
149 &desc->p_addr, GFP_KERNEL);
150 if (!desc->v_addr)
151 return -ENOMEM;
152
153 desc->len = sec->size;
154 desc->offset = sec->offset;
155 memcpy(desc->v_addr, sec->data, sec->size);
156 return 0;
157}
158
159static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
160
161#define UCODE_EXPERIMENTAL_INDEX 100
162#define UCODE_EXPERIMENTAL_TAG "exp"
163
164static int iwl_request_firmware(struct iwl_drv *drv, bool first)
165{
166 const char *name_pre = drv->cfg->fw_name_pre;
167 char tag[8];
168
169 if (first) {
170#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
171 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
172 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
173 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
174#endif
175 drv->fw_index = drv->cfg->ucode_api_max;
176 sprintf(tag, "%d", drv->fw_index);
177 } else {
178 drv->fw_index--;
179 sprintf(tag, "%d", drv->fw_index);
180 }
181
182 if (drv->fw_index < drv->cfg->ucode_api_min) {
183 IWL_ERR(drv, "no suitable firmware found!\n");
184 return -ENOENT;
185 }
186
187 sprintf(drv->firmware_name, "%s%s%s", name_pre, tag, ".ucode");
188
189 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
190 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
191 ? "EXPERIMENTAL " : "",
192 drv->firmware_name);
193
194 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
195 drv->trans->dev,
196 GFP_KERNEL, drv, iwl_ucode_callback);
197}
198
199struct fw_img_parsing {
200 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
201 int sec_counter;
202};
203
204
205
206
207struct fw_sec_parsing {
208 __le32 offset;
209 const u8 data[];
210} __packed;
211
212
213
214
215
216
217
218struct iwl_tlv_calib_data {
219 __le32 ucode_type;
220 __le64 calib;
221} __packed;
222
223struct iwl_firmware_pieces {
224 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
225
226 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
227 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
228};
229
230
231
232
233
234static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
235 enum iwl_ucode_type type,
236 int sec)
237{
238 return &pieces->img[type].sec[sec];
239}
240
241static void set_sec_data(struct iwl_firmware_pieces *pieces,
242 enum iwl_ucode_type type,
243 int sec,
244 const void *data)
245{
246 pieces->img[type].sec[sec].data = data;
247}
248
249static void set_sec_size(struct iwl_firmware_pieces *pieces,
250 enum iwl_ucode_type type,
251 int sec,
252 size_t size)
253{
254 pieces->img[type].sec[sec].size = size;
255}
256
257static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
258 enum iwl_ucode_type type,
259 int sec)
260{
261 return pieces->img[type].sec[sec].size;
262}
263
264static void set_sec_offset(struct iwl_firmware_pieces *pieces,
265 enum iwl_ucode_type type,
266 int sec,
267 u32 offset)
268{
269 pieces->img[type].sec[sec].offset = offset;
270}
271
272
273
274
275static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
276 const void *data, enum iwl_ucode_type type,
277 int size)
278{
279 struct fw_img_parsing *img;
280 struct fw_sec *sec;
281 struct fw_sec_parsing *sec_parse;
282
283 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
284 return -1;
285
286 sec_parse = (struct fw_sec_parsing *)data;
287
288 img = &pieces->img[type];
289 sec = &img->sec[img->sec_counter];
290
291 sec->offset = le32_to_cpu(sec_parse->offset);
292 sec->data = sec_parse->data;
293 sec->size = size - sizeof(sec_parse->offset);
294
295 ++img->sec_counter;
296
297 return 0;
298}
299
300static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
301{
302 struct iwl_tlv_calib_data *def_calib =
303 (struct iwl_tlv_calib_data *)data;
304 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
305 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
306 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
307 ucode_type);
308 return -EINVAL;
309 }
310 drv->fw.default_calib[ucode_type] = le64_to_cpu(def_calib->calib);
311 return 0;
312}
313
314static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
315 const struct firmware *ucode_raw,
316 struct iwl_firmware_pieces *pieces)
317{
318 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
319 u32 api_ver, hdr_size, build;
320 char buildstr[25];
321 const u8 *src;
322
323 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
324 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
325
326 switch (api_ver) {
327 default:
328 hdr_size = 28;
329 if (ucode_raw->size < hdr_size) {
330 IWL_ERR(drv, "File size too small!\n");
331 return -EINVAL;
332 }
333 build = le32_to_cpu(ucode->u.v2.build);
334 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
335 le32_to_cpu(ucode->u.v2.inst_size));
336 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
337 le32_to_cpu(ucode->u.v2.data_size));
338 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
339 le32_to_cpu(ucode->u.v2.init_size));
340 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
341 le32_to_cpu(ucode->u.v2.init_data_size));
342 src = ucode->u.v2.data;
343 break;
344 case 0:
345 case 1:
346 case 2:
347 hdr_size = 24;
348 if (ucode_raw->size < hdr_size) {
349 IWL_ERR(drv, "File size too small!\n");
350 return -EINVAL;
351 }
352 build = 0;
353 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
354 le32_to_cpu(ucode->u.v1.inst_size));
355 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
356 le32_to_cpu(ucode->u.v1.data_size));
357 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
358 le32_to_cpu(ucode->u.v1.init_size));
359 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
360 le32_to_cpu(ucode->u.v1.init_data_size));
361 src = ucode->u.v1.data;
362 break;
363 }
364
365 if (build)
366 sprintf(buildstr, " build %u%s", build,
367 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
368 ? " (EXP)" : "");
369 else
370 buildstr[0] = '\0';
371
372 snprintf(drv->fw.fw_version,
373 sizeof(drv->fw.fw_version),
374 "%u.%u.%u.%u%s",
375 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
376 IWL_UCODE_MINOR(drv->fw.ucode_ver),
377 IWL_UCODE_API(drv->fw.ucode_ver),
378 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
379 buildstr);
380
381
382
383 if (ucode_raw->size != hdr_size +
384 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
385 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
386 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
387 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
388
389 IWL_ERR(drv,
390 "uCode file size %d does not match expected size\n",
391 (int)ucode_raw->size);
392 return -EINVAL;
393 }
394
395
396 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
397 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
398 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
399 IWLAGN_RTC_INST_LOWER_BOUND);
400 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
401 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
402 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
403 IWLAGN_RTC_DATA_LOWER_BOUND);
404 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
405 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
406 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
407 IWLAGN_RTC_INST_LOWER_BOUND);
408 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
409 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
410 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
411 IWLAGN_RTC_DATA_LOWER_BOUND);
412 return 0;
413}
414
415static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
416 const struct firmware *ucode_raw,
417 struct iwl_firmware_pieces *pieces,
418 struct iwl_ucode_capabilities *capa)
419{
420 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
421 struct iwl_ucode_tlv *tlv;
422 size_t len = ucode_raw->size;
423 const u8 *data;
424 u32 tlv_len;
425 enum iwl_ucode_tlv_type tlv_type;
426 const u8 *tlv_data;
427 char buildstr[25];
428 u32 build;
429
430 if (len < sizeof(*ucode)) {
431 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
432 return -EINVAL;
433 }
434
435 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
436 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
437 le32_to_cpu(ucode->magic));
438 return -EINVAL;
439 }
440
441 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
442 build = le32_to_cpu(ucode->build);
443
444 if (build)
445 sprintf(buildstr, " build %u%s", build,
446 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
447 ? " (EXP)" : "");
448 else
449 buildstr[0] = '\0';
450
451 snprintf(drv->fw.fw_version,
452 sizeof(drv->fw.fw_version),
453 "%u.%u.%u.%u%s",
454 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
455 IWL_UCODE_MINOR(drv->fw.ucode_ver),
456 IWL_UCODE_API(drv->fw.ucode_ver),
457 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
458 buildstr);
459
460 data = ucode->data;
461
462 len -= sizeof(*ucode);
463
464 while (len >= sizeof(*tlv)) {
465 len -= sizeof(*tlv);
466 tlv = (void *)data;
467
468 tlv_len = le32_to_cpu(tlv->length);
469 tlv_type = le32_to_cpu(tlv->type);
470 tlv_data = tlv->data;
471
472 if (len < tlv_len) {
473 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
474 len, tlv_len);
475 return -EINVAL;
476 }
477 len -= ALIGN(tlv_len, 4);
478 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
479
480 switch (tlv_type) {
481 case IWL_UCODE_TLV_INST:
482 set_sec_data(pieces, IWL_UCODE_REGULAR,
483 IWL_UCODE_SECTION_INST, tlv_data);
484 set_sec_size(pieces, IWL_UCODE_REGULAR,
485 IWL_UCODE_SECTION_INST, tlv_len);
486 set_sec_offset(pieces, IWL_UCODE_REGULAR,
487 IWL_UCODE_SECTION_INST,
488 IWLAGN_RTC_INST_LOWER_BOUND);
489 break;
490 case IWL_UCODE_TLV_DATA:
491 set_sec_data(pieces, IWL_UCODE_REGULAR,
492 IWL_UCODE_SECTION_DATA, tlv_data);
493 set_sec_size(pieces, IWL_UCODE_REGULAR,
494 IWL_UCODE_SECTION_DATA, tlv_len);
495 set_sec_offset(pieces, IWL_UCODE_REGULAR,
496 IWL_UCODE_SECTION_DATA,
497 IWLAGN_RTC_DATA_LOWER_BOUND);
498 break;
499 case IWL_UCODE_TLV_INIT:
500 set_sec_data(pieces, IWL_UCODE_INIT,
501 IWL_UCODE_SECTION_INST, tlv_data);
502 set_sec_size(pieces, IWL_UCODE_INIT,
503 IWL_UCODE_SECTION_INST, tlv_len);
504 set_sec_offset(pieces, IWL_UCODE_INIT,
505 IWL_UCODE_SECTION_INST,
506 IWLAGN_RTC_INST_LOWER_BOUND);
507 break;
508 case IWL_UCODE_TLV_INIT_DATA:
509 set_sec_data(pieces, IWL_UCODE_INIT,
510 IWL_UCODE_SECTION_DATA, tlv_data);
511 set_sec_size(pieces, IWL_UCODE_INIT,
512 IWL_UCODE_SECTION_DATA, tlv_len);
513 set_sec_offset(pieces, IWL_UCODE_INIT,
514 IWL_UCODE_SECTION_DATA,
515 IWLAGN_RTC_DATA_LOWER_BOUND);
516 break;
517 case IWL_UCODE_TLV_BOOT:
518 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
519 break;
520 case IWL_UCODE_TLV_PROBE_MAX_LEN:
521 if (tlv_len != sizeof(u32))
522 goto invalid_tlv_len;
523 capa->max_probe_length =
524 le32_to_cpup((__le32 *)tlv_data);
525 break;
526 case IWL_UCODE_TLV_PAN:
527 if (tlv_len)
528 goto invalid_tlv_len;
529 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
530 break;
531 case IWL_UCODE_TLV_FLAGS:
532
533 if (tlv_len < sizeof(u32))
534 goto invalid_tlv_len;
535
536 if (tlv_len % sizeof(u32))
537 goto invalid_tlv_len;
538
539
540
541
542
543
544
545 capa->flags = le32_to_cpup((__le32 *)tlv_data);
546 break;
547 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
548 if (tlv_len != sizeof(u32))
549 goto invalid_tlv_len;
550 pieces->init_evtlog_ptr =
551 le32_to_cpup((__le32 *)tlv_data);
552 break;
553 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
554 if (tlv_len != sizeof(u32))
555 goto invalid_tlv_len;
556 pieces->init_evtlog_size =
557 le32_to_cpup((__le32 *)tlv_data);
558 break;
559 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
560 if (tlv_len != sizeof(u32))
561 goto invalid_tlv_len;
562 pieces->init_errlog_ptr =
563 le32_to_cpup((__le32 *)tlv_data);
564 break;
565 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
566 if (tlv_len != sizeof(u32))
567 goto invalid_tlv_len;
568 pieces->inst_evtlog_ptr =
569 le32_to_cpup((__le32 *)tlv_data);
570 break;
571 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
572 if (tlv_len != sizeof(u32))
573 goto invalid_tlv_len;
574 pieces->inst_evtlog_size =
575 le32_to_cpup((__le32 *)tlv_data);
576 break;
577 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
578 if (tlv_len != sizeof(u32))
579 goto invalid_tlv_len;
580 pieces->inst_errlog_ptr =
581 le32_to_cpup((__le32 *)tlv_data);
582 break;
583 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
584 if (tlv_len)
585 goto invalid_tlv_len;
586 drv->fw.enhance_sensitivity_table = true;
587 break;
588 case IWL_UCODE_TLV_WOWLAN_INST:
589 set_sec_data(pieces, IWL_UCODE_WOWLAN,
590 IWL_UCODE_SECTION_INST, tlv_data);
591 set_sec_size(pieces, IWL_UCODE_WOWLAN,
592 IWL_UCODE_SECTION_INST, tlv_len);
593 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
594 IWL_UCODE_SECTION_INST,
595 IWLAGN_RTC_INST_LOWER_BOUND);
596 break;
597 case IWL_UCODE_TLV_WOWLAN_DATA:
598 set_sec_data(pieces, IWL_UCODE_WOWLAN,
599 IWL_UCODE_SECTION_DATA, tlv_data);
600 set_sec_size(pieces, IWL_UCODE_WOWLAN,
601 IWL_UCODE_SECTION_DATA, tlv_len);
602 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
603 IWL_UCODE_SECTION_DATA,
604 IWLAGN_RTC_DATA_LOWER_BOUND);
605 break;
606 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
607 if (tlv_len != sizeof(u32))
608 goto invalid_tlv_len;
609 capa->standard_phy_calibration_size =
610 le32_to_cpup((__le32 *)tlv_data);
611 break;
612 case IWL_UCODE_TLV_SEC_RT:
613 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
614 tlv_len);
615 drv->fw.mvm_fw = true;
616 break;
617 case IWL_UCODE_TLV_SEC_INIT:
618 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
619 tlv_len);
620 drv->fw.mvm_fw = true;
621 break;
622 case IWL_UCODE_TLV_SEC_WOWLAN:
623 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
624 tlv_len);
625 drv->fw.mvm_fw = true;
626 break;
627 case IWL_UCODE_TLV_DEF_CALIB:
628 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
629 goto invalid_tlv_len;
630 if (iwl_set_default_calib(drv, tlv_data))
631 goto tlv_error;
632 break;
633 case IWL_UCODE_TLV_PHY_SKU:
634 if (tlv_len != sizeof(u32))
635 goto invalid_tlv_len;
636 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
637 break;
638 default:
639 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
640 break;
641 }
642 }
643
644 if (len) {
645 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
646 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
647 return -EINVAL;
648 }
649
650 return 0;
651
652 invalid_tlv_len:
653 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
654 tlv_error:
655 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
656
657 return -EINVAL;
658}
659
660static int iwl_alloc_ucode(struct iwl_drv *drv,
661 struct iwl_firmware_pieces *pieces,
662 enum iwl_ucode_type type)
663{
664 int i;
665 for (i = 0;
666 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
667 i++)
668 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
669 get_sec(pieces, type, i)))
670 return -ENOMEM;
671 return 0;
672}
673
674static int validate_sec_sizes(struct iwl_drv *drv,
675 struct iwl_firmware_pieces *pieces,
676 const struct iwl_cfg *cfg)
677{
678 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
679 get_sec_size(pieces, IWL_UCODE_REGULAR,
680 IWL_UCODE_SECTION_INST));
681 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
682 get_sec_size(pieces, IWL_UCODE_REGULAR,
683 IWL_UCODE_SECTION_DATA));
684 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
685 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
686 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
687 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
688
689
690 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
691 cfg->max_inst_size) {
692 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
693 get_sec_size(pieces, IWL_UCODE_REGULAR,
694 IWL_UCODE_SECTION_INST));
695 return -1;
696 }
697
698 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
699 cfg->max_data_size) {
700 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
701 get_sec_size(pieces, IWL_UCODE_REGULAR,
702 IWL_UCODE_SECTION_DATA));
703 return -1;
704 }
705
706 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
707 cfg->max_inst_size) {
708 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
709 get_sec_size(pieces, IWL_UCODE_INIT,
710 IWL_UCODE_SECTION_INST));
711 return -1;
712 }
713
714 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
715 cfg->max_data_size) {
716 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
717 get_sec_size(pieces, IWL_UCODE_REGULAR,
718 IWL_UCODE_SECTION_DATA));
719 return -1;
720 }
721 return 0;
722}
723
724
725
726
727
728
729
730
731static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
732{
733 struct iwl_drv *drv = context;
734 struct iwl_fw *fw = &drv->fw;
735 struct iwl_ucode_header *ucode;
736 int err;
737 struct iwl_firmware_pieces pieces;
738 const unsigned int api_max = drv->cfg->ucode_api_max;
739 unsigned int api_ok = drv->cfg->ucode_api_ok;
740 const unsigned int api_min = drv->cfg->ucode_api_min;
741 u32 api_ver;
742 int i;
743
744 fw->ucode_capa.max_probe_length = 200;
745 fw->ucode_capa.standard_phy_calibration_size =
746 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
747
748 if (!api_ok)
749 api_ok = api_max;
750
751 memset(&pieces, 0, sizeof(pieces));
752
753 if (!ucode_raw) {
754 if (drv->fw_index <= api_ok)
755 IWL_ERR(drv,
756 "request for firmware file '%s' failed.\n",
757 drv->firmware_name);
758 goto try_again;
759 }
760
761 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
762 drv->firmware_name, ucode_raw->size);
763
764
765 if (ucode_raw->size < 4) {
766 IWL_ERR(drv, "File size way too small!\n");
767 goto try_again;
768 }
769
770
771 ucode = (struct iwl_ucode_header *)ucode_raw->data;
772
773 if (ucode->ver)
774 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces);
775 else
776 err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces,
777 &fw->ucode_capa);
778
779 if (err)
780 goto try_again;
781
782 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
783
784
785
786
787
788
789
790 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
791 if (api_ver < api_min || api_ver > api_max) {
792 IWL_ERR(drv,
793 "Driver unable to support your firmware API. "
794 "Driver supports v%u, firmware is v%u.\n",
795 api_max, api_ver);
796 goto try_again;
797 }
798
799 if (api_ver < api_ok) {
800 if (api_ok != api_max)
801 IWL_ERR(drv, "Firmware has old API version, "
802 "expected v%u through v%u, got v%u.\n",
803 api_ok, api_max, api_ver);
804 else
805 IWL_ERR(drv, "Firmware has old API version, "
806 "expected v%u, got v%u.\n",
807 api_max, api_ver);
808 IWL_ERR(drv, "New firmware can be obtained from "
809 "http://www.intellinuxwireless.org/.\n");
810 }
811 }
812
813 IWL_INFO(drv, "loaded firmware version %s", drv->fw.fw_version);
814
815
816
817
818
819 if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg))
820 goto try_again;
821
822
823
824
825
826
827 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
828 if (iwl_alloc_ucode(drv, &pieces, i))
829 goto out_free_fw;
830
831
832
833
834
835
836
837
838 fw->init_evtlog_ptr = pieces.init_evtlog_ptr;
839 if (pieces.init_evtlog_size)
840 fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
841 else
842 fw->init_evtlog_size =
843 drv->cfg->base_params->max_event_log_size;
844 fw->init_errlog_ptr = pieces.init_errlog_ptr;
845 fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr;
846 if (pieces.inst_evtlog_size)
847 fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
848 else
849 fw->inst_evtlog_size =
850 drv->cfg->base_params->max_event_log_size;
851 fw->inst_errlog_ptr = pieces.inst_errlog_ptr;
852
853
854
855
856
857 if (fw->ucode_capa.standard_phy_calibration_size >
858 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
859 fw->ucode_capa.standard_phy_calibration_size =
860 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
861
862
863 release_firmware(ucode_raw);
864
865 drv->op_mode = iwl_dvm_ops.start(drv->trans, drv->cfg, &drv->fw);
866
867 if (!drv->op_mode)
868 goto out_unbind;
869
870
871
872
873
874
875 complete(&drv->request_firmware_complete);
876 return;
877
878 try_again:
879
880 release_firmware(ucode_raw);
881 if (iwl_request_firmware(drv, false))
882 goto out_unbind;
883 return;
884
885 out_free_fw:
886 IWL_ERR(drv, "failed to allocate pci memory\n");
887 iwl_dealloc_ucode(drv);
888 release_firmware(ucode_raw);
889 out_unbind:
890 complete(&drv->request_firmware_complete);
891 device_release_driver(drv->trans->dev);
892}
893
894struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
895 const struct iwl_cfg *cfg)
896{
897 struct iwl_drv *drv;
898 int ret;
899
900 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
901 if (!drv)
902 return NULL;
903
904 drv->trans = trans;
905 drv->dev = trans->dev;
906 drv->cfg = cfg;
907
908 init_completion(&drv->request_firmware_complete);
909
910 ret = iwl_request_firmware(drv, true);
911
912 if (ret) {
913 IWL_ERR(trans, "Couldn't request the fw\n");
914 kfree(drv);
915 drv = NULL;
916 }
917
918 return drv;
919}
920
921void iwl_drv_stop(struct iwl_drv *drv)
922{
923 wait_for_completion(&drv->request_firmware_complete);
924
925
926 if (drv->op_mode)
927 iwl_op_mode_stop(drv->op_mode);
928
929 iwl_dealloc_ucode(drv);
930
931 kfree(drv);
932}
933
934
935
936struct iwl_mod_params iwlwifi_mod_params = {
937 .amsdu_size_8K = 1,
938 .restart_fw = 1,
939 .plcp_check = true,
940 .bt_coex_active = true,
941 .power_level = IWL_POWER_INDEX_1,
942 .bt_ch_announce = true,
943 .auto_agg = true,
944
945};
946
947#ifdef CONFIG_IWLWIFI_DEBUG
948module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
949 S_IRUGO | S_IWUSR);
950MODULE_PARM_DESC(debug, "debug output mask");
951#endif
952
953module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
954MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
955module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
956MODULE_PARM_DESC(11n_disable,
957 "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
958module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
959 int, S_IRUGO);
960MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
961module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, int, S_IRUGO);
962MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
963
964module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
965 int, S_IRUGO);
966MODULE_PARM_DESC(antenna_coupling,
967 "specify antenna coupling in dB (defualt: 0 dB)");
968
969module_param_named(bt_ch_inhibition, iwlwifi_mod_params.bt_ch_announce,
970 bool, S_IRUGO);
971MODULE_PARM_DESC(bt_ch_inhibition,
972 "Enable BT channel inhibition (default: enable)");
973
974module_param_named(plcp_check, iwlwifi_mod_params.plcp_check, bool, S_IRUGO);
975MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
976
977module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO);
978MODULE_PARM_DESC(wd_disable,
979 "Disable stuck queue watchdog timer 0=system default, "
980 "1=disable, 2=enable (default: 0)");
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
999 bool, S_IRUGO);
1000MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1001
1002module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1003MODULE_PARM_DESC(led_mode, "0=system default, "
1004 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1005
1006module_param_named(power_save, iwlwifi_mod_params.power_save,
1007 bool, S_IRUGO);
1008MODULE_PARM_DESC(power_save,
1009 "enable WiFi power management (default: disable)");
1010
1011module_param_named(power_level, iwlwifi_mod_params.power_level,
1012 int, S_IRUGO);
1013MODULE_PARM_DESC(power_level,
1014 "default power save level (range from 1 - 5, default: 1)");
1015
1016module_param_named(auto_agg, iwlwifi_mod_params.auto_agg,
1017 bool, S_IRUGO);
1018MODULE_PARM_DESC(auto_agg,
1019 "enable agg w/o check traffic load (default: enable)");
1020
1021module_param_named(5ghz_disable, iwlwifi_mod_params.disable_5ghz,
1022 bool, S_IRUGO);
1023MODULE_PARM_DESC(5ghz_disable, "disable 5GHz band (default: 0 [enabled])");
1024
