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65#include <linux/completion.h>
66#include <linux/dma-mapping.h>
67#include <linux/firmware.h>
68#include <linux/module.h>
69#include <linux/vmalloc.h>
70
71#include "iwl-drv.h"
72#include "iwl-csr.h"
73#include "iwl-debug.h"
74#include "iwl-trans.h"
75#include "iwl-op-mode.h"
76#include "iwl-agn-hw.h"
77#include "iwl-fw.h"
78#include "iwl-config.h"
79#include "iwl-modparams.h"
80
81
82
83
84
85
86
87#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
88MODULE_DESCRIPTION(DRV_DESCRIPTION);
89MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
90MODULE_LICENSE("GPL");
91
92#ifdef CONFIG_IWLWIFI_DEBUGFS
93static struct dentry *iwl_dbgfs_root;
94#endif
95
96
97
98
99
100
101
102
103
104
105
106
107
108struct iwl_drv {
109 struct list_head list;
110 struct iwl_fw fw;
111
112 struct iwl_op_mode *op_mode;
113 struct iwl_trans *trans;
114 struct device *dev;
115 const struct iwl_cfg *cfg;
116
117 int fw_index;
118 char firmware_name[32];
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
129enum {
130 DVM_OP_MODE = 0,
131 MVM_OP_MODE = 1,
132};
133
134
135static struct mutex iwlwifi_opmode_table_mtx;
136static struct iwlwifi_opmode_table {
137 const char *name;
138 const struct iwl_op_mode_ops *ops;
139 struct list_head drv;
140} iwlwifi_opmode_table[] = {
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
149
150
151struct fw_sec {
152 const void *data;
153 size_t size;
154 u32 offset;
155};
156
157static 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
164static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
165{
166 int i;
167 for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
168 iwl_free_fw_desc(drv, &img->sec[i]);
169}
170
171static void iwl_dealloc_ucode(struct iwl_drv *drv)
172{
173 int i;
174
175 kfree(drv->fw.dbg_dest_tlv);
176 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
177 kfree(drv->fw.dbg_conf_tlv[i]);
178 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
179 kfree(drv->fw.dbg_trigger_tlv[i]);
180
181 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
182 iwl_free_fw_img(drv, drv->fw.img + i);
183}
184
185static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
186 struct fw_sec *sec)
187{
188 void *data;
189
190 desc->data = NULL;
191
192 if (!sec || !sec->size)
193 return -EINVAL;
194
195 data = vmalloc(sec->size);
196 if (!data)
197 return -ENOMEM;
198
199 desc->len = sec->size;
200 desc->offset = sec->offset;
201 memcpy(data, sec->data, desc->len);
202 desc->data = data;
203
204 return 0;
205}
206
207static void iwl_req_fw_callback(const struct firmware *ucode_raw,
208 void *context);
209
210#define UCODE_EXPERIMENTAL_INDEX 100
211#define UCODE_EXPERIMENTAL_TAG "exp"
212
213static int iwl_request_firmware(struct iwl_drv *drv, bool first)
214{
215 const char *name_pre = drv->cfg->fw_name_pre;
216 char tag[8];
217
218 if (first) {
219#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
220 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
221 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
222 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
223#endif
224 drv->fw_index = drv->cfg->ucode_api_max;
225 sprintf(tag, "%d", drv->fw_index);
226 } else {
227 drv->fw_index--;
228 sprintf(tag, "%d", drv->fw_index);
229 }
230
231 if (drv->fw_index < drv->cfg->ucode_api_min) {
232 IWL_ERR(drv, "no suitable firmware found!\n");
233 return -ENOENT;
234 }
235
236 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
237 name_pre, tag);
238
239
240
241
242
243 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
244 char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev);
245
246 snprintf(drv->firmware_name, sizeof(drv->firmware_name),
247 "%s%c-%s.ucode", name_pre, rev_step, tag);
248 }
249
250 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
251 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
252 ? "EXPERIMENTAL " : "",
253 drv->firmware_name);
254
255 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
256 drv->trans->dev,
257 GFP_KERNEL, drv, iwl_req_fw_callback);
258}
259
260struct fw_img_parsing {
261 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
262 int sec_counter;
263};
264
265
266
267
268struct fw_sec_parsing {
269 __le32 offset;
270 const u8 data[];
271} __packed;
272
273
274
275
276
277
278
279struct iwl_tlv_calib_data {
280 __le32 ucode_type;
281 struct iwl_tlv_calib_ctrl calib;
282} __packed;
283
284struct iwl_firmware_pieces {
285 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
286
287 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
288 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
289
290
291 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
292 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
293 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
294 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
295 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
296};
297
298
299
300
301
302static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
303 enum iwl_ucode_type type,
304 int sec)
305{
306 return &pieces->img[type].sec[sec];
307}
308
309static void set_sec_data(struct iwl_firmware_pieces *pieces,
310 enum iwl_ucode_type type,
311 int sec,
312 const void *data)
313{
314 pieces->img[type].sec[sec].data = data;
315}
316
317static void set_sec_size(struct iwl_firmware_pieces *pieces,
318 enum iwl_ucode_type type,
319 int sec,
320 size_t size)
321{
322 pieces->img[type].sec[sec].size = size;
323}
324
325static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
326 enum iwl_ucode_type type,
327 int sec)
328{
329 return pieces->img[type].sec[sec].size;
330}
331
332static void set_sec_offset(struct iwl_firmware_pieces *pieces,
333 enum iwl_ucode_type type,
334 int sec,
335 u32 offset)
336{
337 pieces->img[type].sec[sec].offset = offset;
338}
339
340static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
341{
342 int i, j;
343 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
344 struct iwl_fw_cipher_scheme *fwcs;
345 struct ieee80211_cipher_scheme *cs;
346 u32 cipher;
347
348 if (len < sizeof(*l) ||
349 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
350 return -EINVAL;
351
352 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
353 fwcs = &l->cs[j];
354 cipher = le32_to_cpu(fwcs->cipher);
355
356
357 if (!cipher)
358 continue;
359
360 cs = &fw->cs[j++];
361 cs->cipher = cipher;
362 cs->iftype = BIT(NL80211_IFTYPE_STATION);
363 cs->hdr_len = fwcs->hdr_len;
364 cs->pn_len = fwcs->pn_len;
365 cs->pn_off = fwcs->pn_off;
366 cs->key_idx_off = fwcs->key_idx_off;
367 cs->key_idx_mask = fwcs->key_idx_mask;
368 cs->key_idx_shift = fwcs->key_idx_shift;
369 cs->mic_len = fwcs->mic_len;
370 }
371
372 return 0;
373}
374
375
376
377
378static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
379 const void *data, enum iwl_ucode_type type,
380 int size)
381{
382 struct fw_img_parsing *img;
383 struct fw_sec *sec;
384 struct fw_sec_parsing *sec_parse;
385
386 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
387 return -1;
388
389 sec_parse = (struct fw_sec_parsing *)data;
390
391 img = &pieces->img[type];
392 sec = &img->sec[img->sec_counter];
393
394 sec->offset = le32_to_cpu(sec_parse->offset);
395 sec->data = sec_parse->data;
396 sec->size = size - sizeof(sec_parse->offset);
397
398 ++img->sec_counter;
399
400 return 0;
401}
402
403static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
404{
405 struct iwl_tlv_calib_data *def_calib =
406 (struct iwl_tlv_calib_data *)data;
407 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
408 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
409 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
410 ucode_type);
411 return -EINVAL;
412 }
413 drv->fw.default_calib[ucode_type].flow_trigger =
414 def_calib->calib.flow_trigger;
415 drv->fw.default_calib[ucode_type].event_trigger =
416 def_calib->calib.event_trigger;
417
418 return 0;
419}
420
421static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
422 struct iwl_ucode_capabilities *capa)
423{
424 const struct iwl_ucode_api *ucode_api = (void *)data;
425 u32 api_index = le32_to_cpu(ucode_api->api_index);
426 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
427 int i;
428
429 if (api_index >= IWL_API_MAX_BITS / 32) {
430 IWL_ERR(drv, "api_index larger than supported by driver\n");
431
432 return 0;
433 }
434
435 for (i = 0; i < 32; i++) {
436 if (api_flags & BIT(i))
437 __set_bit(i + 32 * api_index, capa->_api);
438 }
439
440 return 0;
441}
442
443static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
444 struct iwl_ucode_capabilities *capa)
445{
446 const struct iwl_ucode_capa *ucode_capa = (void *)data;
447 u32 api_index = le32_to_cpu(ucode_capa->api_index);
448 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
449 int i;
450
451 if (api_index >= IWL_CAPABILITIES_MAX_BITS / 32) {
452 IWL_ERR(drv, "api_index larger than supported by driver\n");
453
454 return 0;
455 }
456
457 for (i = 0; i < 32; i++) {
458 if (api_flags & BIT(i))
459 __set_bit(i + 32 * api_index, capa->_capa);
460 }
461
462 return 0;
463}
464
465static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
466 const struct firmware *ucode_raw,
467 struct iwl_firmware_pieces *pieces)
468{
469 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
470 u32 api_ver, hdr_size, build;
471 char buildstr[25];
472 const u8 *src;
473
474 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
475 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
476
477 switch (api_ver) {
478 default:
479 hdr_size = 28;
480 if (ucode_raw->size < hdr_size) {
481 IWL_ERR(drv, "File size too small!\n");
482 return -EINVAL;
483 }
484 build = le32_to_cpu(ucode->u.v2.build);
485 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
486 le32_to_cpu(ucode->u.v2.inst_size));
487 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
488 le32_to_cpu(ucode->u.v2.data_size));
489 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
490 le32_to_cpu(ucode->u.v2.init_size));
491 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
492 le32_to_cpu(ucode->u.v2.init_data_size));
493 src = ucode->u.v2.data;
494 break;
495 case 0:
496 case 1:
497 case 2:
498 hdr_size = 24;
499 if (ucode_raw->size < hdr_size) {
500 IWL_ERR(drv, "File size too small!\n");
501 return -EINVAL;
502 }
503 build = 0;
504 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
505 le32_to_cpu(ucode->u.v1.inst_size));
506 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
507 le32_to_cpu(ucode->u.v1.data_size));
508 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
509 le32_to_cpu(ucode->u.v1.init_size));
510 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
511 le32_to_cpu(ucode->u.v1.init_data_size));
512 src = ucode->u.v1.data;
513 break;
514 }
515
516 if (build)
517 sprintf(buildstr, " build %u%s", build,
518 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
519 ? " (EXP)" : "");
520 else
521 buildstr[0] = '\0';
522
523 snprintf(drv->fw.fw_version,
524 sizeof(drv->fw.fw_version),
525 "%u.%u.%u.%u%s",
526 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
527 IWL_UCODE_MINOR(drv->fw.ucode_ver),
528 IWL_UCODE_API(drv->fw.ucode_ver),
529 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
530 buildstr);
531
532
533
534 if (ucode_raw->size != hdr_size +
535 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
536 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
537 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
538 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
539
540 IWL_ERR(drv,
541 "uCode file size %d does not match expected size\n",
542 (int)ucode_raw->size);
543 return -EINVAL;
544 }
545
546
547 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
548 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
549 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
550 IWLAGN_RTC_INST_LOWER_BOUND);
551 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
552 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
553 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
554 IWLAGN_RTC_DATA_LOWER_BOUND);
555 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
556 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
557 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
558 IWLAGN_RTC_INST_LOWER_BOUND);
559 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
560 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
561 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
562 IWLAGN_RTC_DATA_LOWER_BOUND);
563 return 0;
564}
565
566static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
567 const struct firmware *ucode_raw,
568 struct iwl_firmware_pieces *pieces,
569 struct iwl_ucode_capabilities *capa)
570{
571 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
572 struct iwl_ucode_tlv *tlv;
573 size_t len = ucode_raw->size;
574 const u8 *data;
575 u32 tlv_len;
576 enum iwl_ucode_tlv_type tlv_type;
577 const u8 *tlv_data;
578 char buildstr[25];
579 u32 build;
580 int num_of_cpus;
581 bool usniffer_images = false;
582 bool usniffer_req = false;
583
584 if (len < sizeof(*ucode)) {
585 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
586 return -EINVAL;
587 }
588
589 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
590 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
591 le32_to_cpu(ucode->magic));
592 return -EINVAL;
593 }
594
595 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
596 memcpy(drv->fw.human_readable, ucode->human_readable,
597 sizeof(drv->fw.human_readable));
598 build = le32_to_cpu(ucode->build);
599
600 if (build)
601 sprintf(buildstr, " build %u%s", build,
602 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
603 ? " (EXP)" : "");
604 else
605 buildstr[0] = '\0';
606
607 snprintf(drv->fw.fw_version,
608 sizeof(drv->fw.fw_version),
609 "%u.%u.%u.%u%s",
610 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
611 IWL_UCODE_MINOR(drv->fw.ucode_ver),
612 IWL_UCODE_API(drv->fw.ucode_ver),
613 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
614 buildstr);
615
616 data = ucode->data;
617
618 len -= sizeof(*ucode);
619
620 while (len >= sizeof(*tlv)) {
621 len -= sizeof(*tlv);
622 tlv = (void *)data;
623
624 tlv_len = le32_to_cpu(tlv->length);
625 tlv_type = le32_to_cpu(tlv->type);
626 tlv_data = tlv->data;
627
628 if (len < tlv_len) {
629 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
630 len, tlv_len);
631 return -EINVAL;
632 }
633 len -= ALIGN(tlv_len, 4);
634 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
635
636 switch (tlv_type) {
637 case IWL_UCODE_TLV_INST:
638 set_sec_data(pieces, IWL_UCODE_REGULAR,
639 IWL_UCODE_SECTION_INST, tlv_data);
640 set_sec_size(pieces, IWL_UCODE_REGULAR,
641 IWL_UCODE_SECTION_INST, tlv_len);
642 set_sec_offset(pieces, IWL_UCODE_REGULAR,
643 IWL_UCODE_SECTION_INST,
644 IWLAGN_RTC_INST_LOWER_BOUND);
645 break;
646 case IWL_UCODE_TLV_DATA:
647 set_sec_data(pieces, IWL_UCODE_REGULAR,
648 IWL_UCODE_SECTION_DATA, tlv_data);
649 set_sec_size(pieces, IWL_UCODE_REGULAR,
650 IWL_UCODE_SECTION_DATA, tlv_len);
651 set_sec_offset(pieces, IWL_UCODE_REGULAR,
652 IWL_UCODE_SECTION_DATA,
653 IWLAGN_RTC_DATA_LOWER_BOUND);
654 break;
655 case IWL_UCODE_TLV_INIT:
656 set_sec_data(pieces, IWL_UCODE_INIT,
657 IWL_UCODE_SECTION_INST, tlv_data);
658 set_sec_size(pieces, IWL_UCODE_INIT,
659 IWL_UCODE_SECTION_INST, tlv_len);
660 set_sec_offset(pieces, IWL_UCODE_INIT,
661 IWL_UCODE_SECTION_INST,
662 IWLAGN_RTC_INST_LOWER_BOUND);
663 break;
664 case IWL_UCODE_TLV_INIT_DATA:
665 set_sec_data(pieces, IWL_UCODE_INIT,
666 IWL_UCODE_SECTION_DATA, tlv_data);
667 set_sec_size(pieces, IWL_UCODE_INIT,
668 IWL_UCODE_SECTION_DATA, tlv_len);
669 set_sec_offset(pieces, IWL_UCODE_INIT,
670 IWL_UCODE_SECTION_DATA,
671 IWLAGN_RTC_DATA_LOWER_BOUND);
672 break;
673 case IWL_UCODE_TLV_BOOT:
674 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
675 break;
676 case IWL_UCODE_TLV_PROBE_MAX_LEN:
677 if (tlv_len != sizeof(u32))
678 goto invalid_tlv_len;
679 capa->max_probe_length =
680 le32_to_cpup((__le32 *)tlv_data);
681 break;
682 case IWL_UCODE_TLV_PAN:
683 if (tlv_len)
684 goto invalid_tlv_len;
685 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
686 break;
687 case IWL_UCODE_TLV_FLAGS:
688
689 if (tlv_len < sizeof(u32))
690 goto invalid_tlv_len;
691
692 if (tlv_len % sizeof(u32))
693 goto invalid_tlv_len;
694
695
696
697
698
699
700
701 capa->flags = le32_to_cpup((__le32 *)tlv_data);
702 break;
703 case IWL_UCODE_TLV_API_CHANGES_SET:
704 if (tlv_len != sizeof(struct iwl_ucode_api))
705 goto invalid_tlv_len;
706 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
707 goto tlv_error;
708 break;
709 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
710 if (tlv_len != sizeof(struct iwl_ucode_capa))
711 goto invalid_tlv_len;
712 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
713 goto tlv_error;
714 break;
715 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
716 if (tlv_len != sizeof(u32))
717 goto invalid_tlv_len;
718 pieces->init_evtlog_ptr =
719 le32_to_cpup((__le32 *)tlv_data);
720 break;
721 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
722 if (tlv_len != sizeof(u32))
723 goto invalid_tlv_len;
724 pieces->init_evtlog_size =
725 le32_to_cpup((__le32 *)tlv_data);
726 break;
727 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
728 if (tlv_len != sizeof(u32))
729 goto invalid_tlv_len;
730 pieces->init_errlog_ptr =
731 le32_to_cpup((__le32 *)tlv_data);
732 break;
733 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
734 if (tlv_len != sizeof(u32))
735 goto invalid_tlv_len;
736 pieces->inst_evtlog_ptr =
737 le32_to_cpup((__le32 *)tlv_data);
738 break;
739 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
740 if (tlv_len != sizeof(u32))
741 goto invalid_tlv_len;
742 pieces->inst_evtlog_size =
743 le32_to_cpup((__le32 *)tlv_data);
744 break;
745 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
746 if (tlv_len != sizeof(u32))
747 goto invalid_tlv_len;
748 pieces->inst_errlog_ptr =
749 le32_to_cpup((__le32 *)tlv_data);
750 break;
751 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
752 if (tlv_len)
753 goto invalid_tlv_len;
754 drv->fw.enhance_sensitivity_table = true;
755 break;
756 case IWL_UCODE_TLV_WOWLAN_INST:
757 set_sec_data(pieces, IWL_UCODE_WOWLAN,
758 IWL_UCODE_SECTION_INST, tlv_data);
759 set_sec_size(pieces, IWL_UCODE_WOWLAN,
760 IWL_UCODE_SECTION_INST, tlv_len);
761 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
762 IWL_UCODE_SECTION_INST,
763 IWLAGN_RTC_INST_LOWER_BOUND);
764 break;
765 case IWL_UCODE_TLV_WOWLAN_DATA:
766 set_sec_data(pieces, IWL_UCODE_WOWLAN,
767 IWL_UCODE_SECTION_DATA, tlv_data);
768 set_sec_size(pieces, IWL_UCODE_WOWLAN,
769 IWL_UCODE_SECTION_DATA, tlv_len);
770 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
771 IWL_UCODE_SECTION_DATA,
772 IWLAGN_RTC_DATA_LOWER_BOUND);
773 break;
774 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
775 if (tlv_len != sizeof(u32))
776 goto invalid_tlv_len;
777 capa->standard_phy_calibration_size =
778 le32_to_cpup((__le32 *)tlv_data);
779 break;
780 case IWL_UCODE_TLV_SEC_RT:
781 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
782 tlv_len);
783 drv->fw.mvm_fw = true;
784 break;
785 case IWL_UCODE_TLV_SEC_INIT:
786 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
787 tlv_len);
788 drv->fw.mvm_fw = true;
789 break;
790 case IWL_UCODE_TLV_SEC_WOWLAN:
791 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
792 tlv_len);
793 drv->fw.mvm_fw = true;
794 break;
795 case IWL_UCODE_TLV_DEF_CALIB:
796 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
797 goto invalid_tlv_len;
798 if (iwl_set_default_calib(drv, tlv_data))
799 goto tlv_error;
800 break;
801 case IWL_UCODE_TLV_PHY_SKU:
802 if (tlv_len != sizeof(u32))
803 goto invalid_tlv_len;
804 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
805 drv->fw.valid_tx_ant = (drv->fw.phy_config &
806 FW_PHY_CFG_TX_CHAIN) >>
807 FW_PHY_CFG_TX_CHAIN_POS;
808 drv->fw.valid_rx_ant = (drv->fw.phy_config &
809 FW_PHY_CFG_RX_CHAIN) >>
810 FW_PHY_CFG_RX_CHAIN_POS;
811 break;
812 case IWL_UCODE_TLV_SECURE_SEC_RT:
813 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
814 tlv_len);
815 drv->fw.mvm_fw = true;
816 break;
817 case IWL_UCODE_TLV_SECURE_SEC_INIT:
818 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
819 tlv_len);
820 drv->fw.mvm_fw = true;
821 break;
822 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
823 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
824 tlv_len);
825 drv->fw.mvm_fw = true;
826 break;
827 case IWL_UCODE_TLV_NUM_OF_CPU:
828 if (tlv_len != sizeof(u32))
829 goto invalid_tlv_len;
830 num_of_cpus =
831 le32_to_cpup((__le32 *)tlv_data);
832
833 if (num_of_cpus == 2) {
834 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
835 true;
836 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
837 true;
838 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
839 true;
840 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
841 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
842 return -EINVAL;
843 }
844 break;
845 case IWL_UCODE_TLV_CSCHEME:
846 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
847 goto invalid_tlv_len;
848 break;
849 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
850 if (tlv_len != sizeof(u32))
851 goto invalid_tlv_len;
852 capa->n_scan_channels =
853 le32_to_cpup((__le32 *)tlv_data);
854 break;
855 case IWL_UCODE_TLV_FW_VERSION: {
856 __le32 *ptr = (void *)tlv_data;
857 u32 major, minor;
858 u8 local_comp;
859
860 if (tlv_len != sizeof(u32) * 3)
861 goto invalid_tlv_len;
862
863 major = le32_to_cpup(ptr++);
864 minor = le32_to_cpup(ptr++);
865 local_comp = le32_to_cpup(ptr);
866
867 snprintf(drv->fw.fw_version,
868 sizeof(drv->fw.fw_version), "%u.%u.%u",
869 major, minor, local_comp);
870 break;
871 }
872 case IWL_UCODE_TLV_FW_DBG_DEST: {
873 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
874
875 if (pieces->dbg_dest_tlv) {
876 IWL_ERR(drv,
877 "dbg destination ignored, already exists\n");
878 break;
879 }
880
881 pieces->dbg_dest_tlv = dest;
882 IWL_INFO(drv, "Found debug destination: %s\n",
883 get_fw_dbg_mode_string(dest->monitor_mode));
884
885 drv->fw.dbg_dest_reg_num =
886 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
887 reg_ops);
888 drv->fw.dbg_dest_reg_num /=
889 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
890
891 break;
892 }
893 case IWL_UCODE_TLV_FW_DBG_CONF: {
894 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
895
896 if (!pieces->dbg_dest_tlv) {
897 IWL_ERR(drv,
898 "Ignore dbg config %d - no destination configured\n",
899 conf->id);
900 break;
901 }
902
903 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
904 IWL_ERR(drv,
905 "Skip unknown configuration: %d\n",
906 conf->id);
907 break;
908 }
909
910 if (pieces->dbg_conf_tlv[conf->id]) {
911 IWL_ERR(drv,
912 "Ignore duplicate dbg config %d\n",
913 conf->id);
914 break;
915 }
916
917 if (conf->usniffer)
918 usniffer_req = true;
919
920 IWL_INFO(drv, "Found debug configuration: %d\n",
921 conf->id);
922
923 pieces->dbg_conf_tlv[conf->id] = conf;
924 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
925 break;
926 }
927 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
928 struct iwl_fw_dbg_trigger_tlv *trigger =
929 (void *)tlv_data;
930 u32 trigger_id = le32_to_cpu(trigger->id);
931
932 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
933 IWL_ERR(drv,
934 "Skip unknown trigger: %u\n",
935 trigger->id);
936 break;
937 }
938
939 if (pieces->dbg_trigger_tlv[trigger_id]) {
940 IWL_ERR(drv,
941 "Ignore duplicate dbg trigger %u\n",
942 trigger->id);
943 break;
944 }
945
946 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
947
948 pieces->dbg_trigger_tlv[trigger_id] = trigger;
949 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
950 break;
951 }
952 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
953 usniffer_images = true;
954 iwl_store_ucode_sec(pieces, tlv_data,
955 IWL_UCODE_REGULAR_USNIFFER,
956 tlv_len);
957 break;
958 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
959 if (tlv_len != sizeof(u32))
960 goto invalid_tlv_len;
961 drv->fw.sdio_adma_addr =
962 le32_to_cpup((__le32 *)tlv_data);
963 break;
964 default:
965 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
966 break;
967 }
968 }
969
970 if (usniffer_req && !usniffer_images) {
971 IWL_ERR(drv,
972 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
973 return -EINVAL;
974 }
975
976 if (len) {
977 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
978 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
979 return -EINVAL;
980 }
981
982 return 0;
983
984 invalid_tlv_len:
985 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
986 tlv_error:
987 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
988
989 return -EINVAL;
990}
991
992static int iwl_alloc_ucode(struct iwl_drv *drv,
993 struct iwl_firmware_pieces *pieces,
994 enum iwl_ucode_type type)
995{
996 int i;
997 for (i = 0;
998 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
999 i++)
1000 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
1001 get_sec(pieces, type, i)))
1002 return -ENOMEM;
1003 return 0;
1004}
1005
1006static int validate_sec_sizes(struct iwl_drv *drv,
1007 struct iwl_firmware_pieces *pieces,
1008 const struct iwl_cfg *cfg)
1009{
1010 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
1011 get_sec_size(pieces, IWL_UCODE_REGULAR,
1012 IWL_UCODE_SECTION_INST));
1013 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
1014 get_sec_size(pieces, IWL_UCODE_REGULAR,
1015 IWL_UCODE_SECTION_DATA));
1016 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
1017 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1018 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
1019 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1020
1021
1022 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1023 cfg->max_inst_size) {
1024 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
1025 get_sec_size(pieces, IWL_UCODE_REGULAR,
1026 IWL_UCODE_SECTION_INST));
1027 return -1;
1028 }
1029
1030 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1031 cfg->max_data_size) {
1032 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
1033 get_sec_size(pieces, IWL_UCODE_REGULAR,
1034 IWL_UCODE_SECTION_DATA));
1035 return -1;
1036 }
1037
1038 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1039 cfg->max_inst_size) {
1040 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
1041 get_sec_size(pieces, IWL_UCODE_INIT,
1042 IWL_UCODE_SECTION_INST));
1043 return -1;
1044 }
1045
1046 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1047 cfg->max_data_size) {
1048 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
1049 get_sec_size(pieces, IWL_UCODE_REGULAR,
1050 IWL_UCODE_SECTION_DATA));
1051 return -1;
1052 }
1053 return 0;
1054}
1055
1056static struct iwl_op_mode *
1057_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1058{
1059 const struct iwl_op_mode_ops *ops = op->ops;
1060 struct dentry *dbgfs_dir = NULL;
1061 struct iwl_op_mode *op_mode = NULL;
1062
1063#ifdef CONFIG_IWLWIFI_DEBUGFS
1064 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1065 drv->dbgfs_drv);
1066 if (!drv->dbgfs_op_mode) {
1067 IWL_ERR(drv,
1068 "failed to create opmode debugfs directory\n");
1069 return op_mode;
1070 }
1071 dbgfs_dir = drv->dbgfs_op_mode;
1072#endif
1073
1074 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
1075
1076#ifdef CONFIG_IWLWIFI_DEBUGFS
1077 if (!op_mode) {
1078 debugfs_remove_recursive(drv->dbgfs_op_mode);
1079 drv->dbgfs_op_mode = NULL;
1080 }
1081#endif
1082
1083 return op_mode;
1084}
1085
1086static void _iwl_op_mode_stop(struct iwl_drv *drv)
1087{
1088
1089 if (drv->op_mode) {
1090 iwl_op_mode_stop(drv->op_mode);
1091 drv->op_mode = NULL;
1092
1093#ifdef CONFIG_IWLWIFI_DEBUGFS
1094 debugfs_remove_recursive(drv->dbgfs_op_mode);
1095 drv->dbgfs_op_mode = NULL;
1096#endif
1097 }
1098}
1099
1100
1101
1102
1103
1104
1105
1106static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1107{
1108 struct iwl_drv *drv = context;
1109 struct iwl_fw *fw = &drv->fw;
1110 struct iwl_ucode_header *ucode;
1111 struct iwlwifi_opmode_table *op;
1112 int err;
1113 struct iwl_firmware_pieces *pieces;
1114 const unsigned int api_max = drv->cfg->ucode_api_max;
1115 unsigned int api_ok = drv->cfg->ucode_api_ok;
1116 const unsigned int api_min = drv->cfg->ucode_api_min;
1117 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1118 u32 api_ver;
1119 int i;
1120 bool load_module = false;
1121
1122 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1123 fw->ucode_capa.standard_phy_calibration_size =
1124 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1125 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1126
1127 if (!api_ok)
1128 api_ok = api_max;
1129
1130 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1131 if (!pieces)
1132 return;
1133
1134 if (!ucode_raw) {
1135 if (drv->fw_index <= api_ok)
1136 IWL_ERR(drv,
1137 "request for firmware file '%s' failed.\n",
1138 drv->firmware_name);
1139 goto try_again;
1140 }
1141
1142 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1143 drv->firmware_name, ucode_raw->size);
1144
1145
1146 if (ucode_raw->size < 4) {
1147 IWL_ERR(drv, "File size way too small!\n");
1148 goto try_again;
1149 }
1150
1151
1152 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1153
1154 if (ucode->ver)
1155 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1156 else
1157 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1158 &fw->ucode_capa);
1159
1160 if (err)
1161 goto try_again;
1162
1163 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1164 api_ver = drv->fw.ucode_ver;
1165 else
1166 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1167
1168
1169
1170
1171
1172
1173
1174 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
1175 if (api_ver < api_min || api_ver > api_max) {
1176 IWL_ERR(drv,
1177 "Driver unable to support your firmware API. "
1178 "Driver supports v%u, firmware is v%u.\n",
1179 api_max, api_ver);
1180 goto try_again;
1181 }
1182
1183 if (api_ver < api_ok) {
1184 if (api_ok != api_max)
1185 IWL_ERR(drv, "Firmware has old API version, "
1186 "expected v%u through v%u, got v%u.\n",
1187 api_ok, api_max, api_ver);
1188 else
1189 IWL_ERR(drv, "Firmware has old API version, "
1190 "expected v%u, got v%u.\n",
1191 api_max, api_ver);
1192 IWL_ERR(drv, "New firmware can be obtained from "
1193 "http://www.intellinuxwireless.org/.\n");
1194 }
1195 }
1196
1197
1198
1199
1200
1201 if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
1202 goto try_again;
1203
1204
1205
1206
1207
1208
1209 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1210 if (iwl_alloc_ucode(drv, pieces, i))
1211 goto out_free_fw;
1212
1213 if (pieces->dbg_dest_tlv) {
1214 drv->fw.dbg_dest_tlv =
1215 kmemdup(pieces->dbg_dest_tlv,
1216 sizeof(*pieces->dbg_dest_tlv) +
1217 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1218 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1219
1220 if (!drv->fw.dbg_dest_tlv)
1221 goto out_free_fw;
1222 }
1223
1224 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1225 if (pieces->dbg_conf_tlv[i]) {
1226 drv->fw.dbg_conf_tlv_len[i] =
1227 pieces->dbg_conf_tlv_len[i];
1228 drv->fw.dbg_conf_tlv[i] =
1229 kmemdup(pieces->dbg_conf_tlv[i],
1230 drv->fw.dbg_conf_tlv_len[i],
1231 GFP_KERNEL);
1232 if (!drv->fw.dbg_conf_tlv[i])
1233 goto out_free_fw;
1234 }
1235 }
1236
1237 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1238
1239 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1240 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1241 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1242 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1243 sizeof(struct iwl_fw_dbg_trigger_cmd);
1244 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1245 sizeof(struct iwl_fw_dbg_trigger_mlme);
1246 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1247 sizeof(struct iwl_fw_dbg_trigger_stats);
1248 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1249 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1250 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1251 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1252 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1253 sizeof(struct iwl_fw_dbg_trigger_time_event);
1254 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1255 sizeof(struct iwl_fw_dbg_trigger_ba);
1256
1257 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1258 if (pieces->dbg_trigger_tlv[i]) {
1259
1260
1261
1262
1263
1264
1265
1266 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1267 (trigger_tlv_sz[i] +
1268 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1269 goto out_free_fw;
1270 drv->fw.dbg_trigger_tlv_len[i] =
1271 pieces->dbg_trigger_tlv_len[i];
1272 drv->fw.dbg_trigger_tlv[i] =
1273 kmemdup(pieces->dbg_trigger_tlv[i],
1274 drv->fw.dbg_trigger_tlv_len[i],
1275 GFP_KERNEL);
1276 if (!drv->fw.dbg_trigger_tlv[i])
1277 goto out_free_fw;
1278 }
1279 }
1280
1281
1282
1283
1284
1285
1286
1287
1288 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1289 if (pieces->init_evtlog_size)
1290 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1291 else
1292 fw->init_evtlog_size =
1293 drv->cfg->base_params->max_event_log_size;
1294 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1295 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1296 if (pieces->inst_evtlog_size)
1297 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1298 else
1299 fw->inst_evtlog_size =
1300 drv->cfg->base_params->max_event_log_size;
1301 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1302
1303
1304
1305
1306
1307 if (fw->ucode_capa.standard_phy_calibration_size >
1308 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1309 fw->ucode_capa.standard_phy_calibration_size =
1310 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1311
1312
1313 release_firmware(ucode_raw);
1314
1315 mutex_lock(&iwlwifi_opmode_table_mtx);
1316 if (fw->mvm_fw)
1317 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1318 else
1319 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1320
1321 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1322 drv->fw.fw_version, op->name);
1323
1324
1325 list_add_tail(&drv->list, &op->drv);
1326
1327 if (op->ops) {
1328 drv->op_mode = _iwl_op_mode_start(drv, op);
1329
1330 if (!drv->op_mode) {
1331 mutex_unlock(&iwlwifi_opmode_table_mtx);
1332 goto out_unbind;
1333 }
1334 } else {
1335 load_module = true;
1336 }
1337 mutex_unlock(&iwlwifi_opmode_table_mtx);
1338
1339
1340
1341
1342
1343
1344 complete(&drv->request_firmware_complete);
1345
1346
1347
1348
1349
1350
1351 if (load_module) {
1352 err = request_module("%s", op->name);
1353#ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1354 if (err)
1355 IWL_ERR(drv,
1356 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1357 op->name, err);
1358#endif
1359 }
1360 kfree(pieces);
1361 return;
1362
1363 try_again:
1364
1365 release_firmware(ucode_raw);
1366 if (iwl_request_firmware(drv, false))
1367 goto out_unbind;
1368 kfree(pieces);
1369 return;
1370
1371 out_free_fw:
1372 IWL_ERR(drv, "failed to allocate pci memory\n");
1373 iwl_dealloc_ucode(drv);
1374 release_firmware(ucode_raw);
1375 out_unbind:
1376 kfree(pieces);
1377 complete(&drv->request_firmware_complete);
1378 device_release_driver(drv->trans->dev);
1379}
1380
1381struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1382 const struct iwl_cfg *cfg)
1383{
1384 struct iwl_drv *drv;
1385 int ret;
1386
1387 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1388 if (!drv) {
1389 ret = -ENOMEM;
1390 goto err;
1391 }
1392
1393 drv->trans = trans;
1394 drv->dev = trans->dev;
1395 drv->cfg = cfg;
1396
1397 init_completion(&drv->request_firmware_complete);
1398 INIT_LIST_HEAD(&drv->list);
1399
1400#ifdef CONFIG_IWLWIFI_DEBUGFS
1401
1402 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1403 iwl_dbgfs_root);
1404
1405 if (!drv->dbgfs_drv) {
1406 IWL_ERR(drv, "failed to create debugfs directory\n");
1407 ret = -ENOMEM;
1408 goto err_free_drv;
1409 }
1410
1411
1412 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1413
1414 if (!drv->trans->dbgfs_dir) {
1415 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1416 ret = -ENOMEM;
1417 goto err_free_dbgfs;
1418 }
1419#endif
1420
1421 ret = iwl_request_firmware(drv, true);
1422 if (ret) {
1423 IWL_ERR(trans, "Couldn't request the fw\n");
1424 goto err_fw;
1425 }
1426
1427 return drv;
1428
1429err_fw:
1430#ifdef CONFIG_IWLWIFI_DEBUGFS
1431err_free_dbgfs:
1432 debugfs_remove_recursive(drv->dbgfs_drv);
1433err_free_drv:
1434#endif
1435 kfree(drv);
1436err:
1437 return ERR_PTR(ret);
1438}
1439
1440void iwl_drv_stop(struct iwl_drv *drv)
1441{
1442 wait_for_completion(&drv->request_firmware_complete);
1443
1444 _iwl_op_mode_stop(drv);
1445
1446 iwl_dealloc_ucode(drv);
1447
1448 mutex_lock(&iwlwifi_opmode_table_mtx);
1449
1450
1451
1452
1453
1454 if (!list_empty(&drv->list))
1455 list_del(&drv->list);
1456 mutex_unlock(&iwlwifi_opmode_table_mtx);
1457
1458#ifdef CONFIG_IWLWIFI_DEBUGFS
1459 debugfs_remove_recursive(drv->dbgfs_drv);
1460#endif
1461
1462 kfree(drv);
1463}
1464
1465
1466
1467struct iwl_mod_params iwlwifi_mod_params = {
1468 .restart_fw = true,
1469 .bt_coex_active = true,
1470 .power_level = IWL_POWER_INDEX_1,
1471 .d0i3_disable = true,
1472#ifndef CONFIG_IWLWIFI_UAPSD
1473 .uapsd_disable = true,
1474#endif
1475
1476};
1477IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1478
1479int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1480{
1481 int i;
1482 struct iwl_drv *drv;
1483 struct iwlwifi_opmode_table *op;
1484
1485 mutex_lock(&iwlwifi_opmode_table_mtx);
1486 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1487 op = &iwlwifi_opmode_table[i];
1488 if (strcmp(op->name, name))
1489 continue;
1490 op->ops = ops;
1491
1492 list_for_each_entry(drv, &op->drv, list)
1493 drv->op_mode = _iwl_op_mode_start(drv, op);
1494
1495 mutex_unlock(&iwlwifi_opmode_table_mtx);
1496 return 0;
1497 }
1498 mutex_unlock(&iwlwifi_opmode_table_mtx);
1499 return -EIO;
1500}
1501IWL_EXPORT_SYMBOL(iwl_opmode_register);
1502
1503void iwl_opmode_deregister(const char *name)
1504{
1505 int i;
1506 struct iwl_drv *drv;
1507
1508 mutex_lock(&iwlwifi_opmode_table_mtx);
1509 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1510 if (strcmp(iwlwifi_opmode_table[i].name, name))
1511 continue;
1512 iwlwifi_opmode_table[i].ops = NULL;
1513
1514
1515 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1516 _iwl_op_mode_stop(drv);
1517
1518 mutex_unlock(&iwlwifi_opmode_table_mtx);
1519 return;
1520 }
1521 mutex_unlock(&iwlwifi_opmode_table_mtx);
1522}
1523IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1524
1525static int __init iwl_drv_init(void)
1526{
1527 int i;
1528
1529 mutex_init(&iwlwifi_opmode_table_mtx);
1530
1531 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1532 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1533
1534 pr_info(DRV_DESCRIPTION "\n");
1535 pr_info(DRV_COPYRIGHT "\n");
1536
1537#ifdef CONFIG_IWLWIFI_DEBUGFS
1538
1539 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1540
1541 if (!iwl_dbgfs_root)
1542 return -EFAULT;
1543#endif
1544
1545 return iwl_pci_register_driver();
1546}
1547module_init(iwl_drv_init);
1548
1549static void __exit iwl_drv_exit(void)
1550{
1551 iwl_pci_unregister_driver();
1552
1553#ifdef CONFIG_IWLWIFI_DEBUGFS
1554 debugfs_remove_recursive(iwl_dbgfs_root);
1555#endif
1556}
1557module_exit(iwl_drv_exit);
1558
1559#ifdef CONFIG_IWLWIFI_DEBUG
1560module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1561 S_IRUGO | S_IWUSR);
1562MODULE_PARM_DESC(debug, "debug output mask");
1563#endif
1564
1565module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1566MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1567module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1568MODULE_PARM_DESC(11n_disable,
1569 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1570module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
1571 int, S_IRUGO);
1572MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");
1573module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1574MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1575
1576module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1577 int, S_IRUGO);
1578MODULE_PARM_DESC(antenna_coupling,
1579 "specify antenna coupling in dB (default: 0 dB)");
1580
1581module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1582MODULE_PARM_DESC(nvm_file, "NVM file name");
1583
1584module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1585 bool, S_IRUGO);
1586MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1587
1588module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1589 bool, S_IRUGO);
1590MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1591
1592module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1593 bool, S_IRUGO | S_IWUSR);
1594#ifdef CONFIG_IWLWIFI_UAPSD
1595MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)");
1596#else
1597MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)");
1598#endif
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1617 bool, S_IRUGO);
1618MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1619
1620module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1621MODULE_PARM_DESC(led_mode, "0=system default, "
1622 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1623
1624module_param_named(power_save, iwlwifi_mod_params.power_save,
1625 bool, S_IRUGO);
1626MODULE_PARM_DESC(power_save,
1627 "enable WiFi power management (default: disable)");
1628
1629module_param_named(power_level, iwlwifi_mod_params.power_level,
1630 int, S_IRUGO);
1631MODULE_PARM_DESC(power_level,
1632 "default power save level (range from 1 - 5, default: 1)");
1633
1634module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1635MODULE_PARM_DESC(fw_monitor,
1636 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1637
