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64#include <linux/completion.h>
65#include <linux/dma-mapping.h>
66#include <linux/firmware.h>
67#include <linux/module.h>
68#include <linux/vmalloc.h>
69
70#include "iwl-drv.h"
71#include "iwl-csr.h"
72#include "iwl-debug.h"
73#include "iwl-trans.h"
74#include "iwl-op-mode.h"
75#include "iwl-agn-hw.h"
76#include "fw/img.h"
77#include "iwl-dbg-tlv.h"
78#include "iwl-config.h"
79#include "iwl-modparams.h"
80#include "fw/api/alive.h"
81
82
83
84
85
86
87
88#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
89MODULE_DESCRIPTION(DRV_DESCRIPTION);
90MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
91MODULE_LICENSE("GPL");
92
93#ifdef CONFIG_IWLWIFI_DEBUGFS
94static struct dentry *iwl_dbgfs_root;
95#endif
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
116 int fw_index;
117 char firmware_name[64];
118
119 struct completion request_firmware_complete;
120
121#ifdef CONFIG_IWLWIFI_DEBUGFS
122 struct dentry *dbgfs_drv;
123 struct dentry *dbgfs_trans;
124 struct dentry *dbgfs_op_mode;
125#endif
126};
127
128enum {
129 DVM_OP_MODE,
130 MVM_OP_MODE,
131};
132
133
134static struct mutex iwlwifi_opmode_table_mtx;
135static struct iwlwifi_opmode_table {
136 const char *name;
137 const struct iwl_op_mode_ops *ops;
138 struct list_head drv;
139} iwlwifi_opmode_table[] = {
140 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
141 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
142};
143
144#define IWL_DEFAULT_SCAN_CHANNELS 40
145
146
147
148
149
150struct fw_sec {
151 const void *data;
152 size_t size;
153 u32 offset;
154};
155
156static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
157{
158 vfree(desc->data);
159 desc->data = NULL;
160 desc->len = 0;
161}
162
163static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
164{
165 int i;
166 for (i = 0; i < img->num_sec; i++)
167 iwl_free_fw_desc(drv, &img->sec[i]);
168 kfree(img->sec);
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 kfree(drv->fw.dbg.mem_tlv);
181 kfree(drv->fw.iml);
182 kfree(drv->fw.ucode_capa.cmd_versions);
183
184 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
185 iwl_free_fw_img(drv, drv->fw.img + i);
186}
187
188static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
189 struct fw_sec *sec)
190{
191 void *data;
192
193 desc->data = NULL;
194
195 if (!sec || !sec->size)
196 return -EINVAL;
197
198 data = vmalloc(sec->size);
199 if (!data)
200 return -ENOMEM;
201
202 desc->len = sec->size;
203 desc->offset = sec->offset;
204 memcpy(data, sec->data, desc->len);
205 desc->data = data;
206
207 return 0;
208}
209
210static void iwl_req_fw_callback(const struct firmware *ucode_raw,
211 void *context);
212
213static int iwl_request_firmware(struct iwl_drv *drv, bool first)
214{
215 const struct iwl_cfg *cfg = drv->trans->cfg;
216 char tag[8];
217
218 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
219 (CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP &&
220 CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) {
221 IWL_ERR(drv,
222 "Only HW steps B and C are currently supported (0x%0x)\n",
223 drv->trans->hw_rev);
224 return -EINVAL;
225 }
226
227 if (first) {
228 drv->fw_index = cfg->ucode_api_max;
229 sprintf(tag, "%d", drv->fw_index);
230 } else {
231 drv->fw_index--;
232 sprintf(tag, "%d", drv->fw_index);
233 }
234
235 if (drv->fw_index < cfg->ucode_api_min) {
236 IWL_ERR(drv, "no suitable firmware found!\n");
237
238 if (cfg->ucode_api_min == cfg->ucode_api_max) {
239 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre,
240 cfg->ucode_api_max);
241 } else {
242 IWL_ERR(drv, "minimum version required: %s%d\n",
243 cfg->fw_name_pre, cfg->ucode_api_min);
244 IWL_ERR(drv, "maximum version supported: %s%d\n",
245 cfg->fw_name_pre, cfg->ucode_api_max);
246 }
247
248 IWL_ERR(drv,
249 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
250 return -ENOENT;
251 }
252
253 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
254 cfg->fw_name_pre, tag);
255
256 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n",
257 drv->firmware_name);
258
259 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
260 drv->trans->dev,
261 GFP_KERNEL, drv, iwl_req_fw_callback);
262}
263
264struct fw_img_parsing {
265 struct fw_sec *sec;
266 int sec_counter;
267};
268
269
270
271
272struct fw_sec_parsing {
273 __le32 offset;
274 const u8 data[];
275} __packed;
276
277
278
279
280
281
282
283struct iwl_tlv_calib_data {
284 __le32 ucode_type;
285 struct iwl_tlv_calib_ctrl calib;
286} __packed;
287
288struct iwl_firmware_pieces {
289 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
290
291 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
292 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
293
294
295 bool dbg_dest_tlv_init;
296 u8 *dbg_dest_ver;
297 union {
298 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
299 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1;
300 };
301 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
302 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
303 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
304 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
305 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
306 size_t n_mem_tlv;
307};
308
309
310
311
312
313static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
314 enum iwl_ucode_type type,
315 int sec)
316{
317 return &pieces->img[type].sec[sec];
318}
319
320static void alloc_sec_data(struct iwl_firmware_pieces *pieces,
321 enum iwl_ucode_type type,
322 int sec)
323{
324 struct fw_img_parsing *img = &pieces->img[type];
325 struct fw_sec *sec_memory;
326 int size = sec + 1;
327 size_t alloc_size = sizeof(*img->sec) * size;
328
329 if (img->sec && img->sec_counter >= size)
330 return;
331
332 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL);
333 if (!sec_memory)
334 return;
335
336 img->sec = sec_memory;
337 img->sec_counter = size;
338}
339
340static void set_sec_data(struct iwl_firmware_pieces *pieces,
341 enum iwl_ucode_type type,
342 int sec,
343 const void *data)
344{
345 alloc_sec_data(pieces, type, sec);
346
347 pieces->img[type].sec[sec].data = data;
348}
349
350static void set_sec_size(struct iwl_firmware_pieces *pieces,
351 enum iwl_ucode_type type,
352 int sec,
353 size_t size)
354{
355 alloc_sec_data(pieces, type, sec);
356
357 pieces->img[type].sec[sec].size = size;
358}
359
360static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
361 enum iwl_ucode_type type,
362 int sec)
363{
364 return pieces->img[type].sec[sec].size;
365}
366
367static void set_sec_offset(struct iwl_firmware_pieces *pieces,
368 enum iwl_ucode_type type,
369 int sec,
370 u32 offset)
371{
372 alloc_sec_data(pieces, type, sec);
373
374 pieces->img[type].sec[sec].offset = offset;
375}
376
377static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
378{
379 int i, j;
380 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
381 struct iwl_fw_cipher_scheme *fwcs;
382
383 if (len < sizeof(*l) ||
384 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
385 return -EINVAL;
386
387 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
388 fwcs = &l->cs[j];
389
390
391 if (!fwcs->cipher)
392 continue;
393
394 fw->cs[j++] = *fwcs;
395 }
396
397 return 0;
398}
399
400
401
402
403static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
404 const void *data, enum iwl_ucode_type type,
405 int size)
406{
407 struct fw_img_parsing *img;
408 struct fw_sec *sec;
409 struct fw_sec_parsing *sec_parse;
410 size_t alloc_size;
411
412 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
413 return -1;
414
415 sec_parse = (struct fw_sec_parsing *)data;
416
417 img = &pieces->img[type];
418
419 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
420 sec = krealloc(img->sec, alloc_size, GFP_KERNEL);
421 if (!sec)
422 return -ENOMEM;
423 img->sec = sec;
424
425 sec = &img->sec[img->sec_counter];
426
427 sec->offset = le32_to_cpu(sec_parse->offset);
428 sec->data = sec_parse->data;
429 sec->size = size - sizeof(sec_parse->offset);
430
431 ++img->sec_counter;
432
433 return 0;
434}
435
436static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
437{
438 struct iwl_tlv_calib_data *def_calib =
439 (struct iwl_tlv_calib_data *)data;
440 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
441 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
442 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
443 ucode_type);
444 return -EINVAL;
445 }
446 drv->fw.default_calib[ucode_type].flow_trigger =
447 def_calib->calib.flow_trigger;
448 drv->fw.default_calib[ucode_type].event_trigger =
449 def_calib->calib.event_trigger;
450
451 return 0;
452}
453
454static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
455 struct iwl_ucode_capabilities *capa)
456{
457 const struct iwl_ucode_api *ucode_api = (void *)data;
458 u32 api_index = le32_to_cpu(ucode_api->api_index);
459 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
460 int i;
461
462 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
463 IWL_WARN(drv,
464 "api flags index %d larger than supported by driver\n",
465 api_index);
466 return;
467 }
468
469 for (i = 0; i < 32; i++) {
470 if (api_flags & BIT(i))
471 __set_bit(i + 32 * api_index, capa->_api);
472 }
473}
474
475static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
476 struct iwl_ucode_capabilities *capa)
477{
478 const struct iwl_ucode_capa *ucode_capa = (void *)data;
479 u32 api_index = le32_to_cpu(ucode_capa->api_index);
480 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
481 int i;
482
483 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
484 IWL_WARN(drv,
485 "capa flags index %d larger than supported by driver\n",
486 api_index);
487 return;
488 }
489
490 for (i = 0; i < 32; i++) {
491 if (api_flags & BIT(i))
492 __set_bit(i + 32 * api_index, capa->_capa);
493 }
494}
495
496static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
497 const struct firmware *ucode_raw,
498 struct iwl_firmware_pieces *pieces)
499{
500 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
501 u32 api_ver, hdr_size, build;
502 char buildstr[25];
503 const u8 *src;
504
505 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
506 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
507
508 switch (api_ver) {
509 default:
510 hdr_size = 28;
511 if (ucode_raw->size < hdr_size) {
512 IWL_ERR(drv, "File size too small!\n");
513 return -EINVAL;
514 }
515 build = le32_to_cpu(ucode->u.v2.build);
516 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
517 le32_to_cpu(ucode->u.v2.inst_size));
518 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
519 le32_to_cpu(ucode->u.v2.data_size));
520 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
521 le32_to_cpu(ucode->u.v2.init_size));
522 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
523 le32_to_cpu(ucode->u.v2.init_data_size));
524 src = ucode->u.v2.data;
525 break;
526 case 0:
527 case 1:
528 case 2:
529 hdr_size = 24;
530 if (ucode_raw->size < hdr_size) {
531 IWL_ERR(drv, "File size too small!\n");
532 return -EINVAL;
533 }
534 build = 0;
535 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
536 le32_to_cpu(ucode->u.v1.inst_size));
537 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
538 le32_to_cpu(ucode->u.v1.data_size));
539 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
540 le32_to_cpu(ucode->u.v1.init_size));
541 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
542 le32_to_cpu(ucode->u.v1.init_data_size));
543 src = ucode->u.v1.data;
544 break;
545 }
546
547 if (build)
548 sprintf(buildstr, " build %u", build);
549 else
550 buildstr[0] = '\0';
551
552 snprintf(drv->fw.fw_version,
553 sizeof(drv->fw.fw_version),
554 "%u.%u.%u.%u%s",
555 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
556 IWL_UCODE_MINOR(drv->fw.ucode_ver),
557 IWL_UCODE_API(drv->fw.ucode_ver),
558 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
559 buildstr);
560
561
562
563 if (ucode_raw->size != hdr_size +
564 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
565 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
566 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
567 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
568
569 IWL_ERR(drv,
570 "uCode file size %d does not match expected size\n",
571 (int)ucode_raw->size);
572 return -EINVAL;
573 }
574
575
576 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
577 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
578 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
579 IWLAGN_RTC_INST_LOWER_BOUND);
580 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
581 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
582 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
583 IWLAGN_RTC_DATA_LOWER_BOUND);
584 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
585 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
586 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
587 IWLAGN_RTC_INST_LOWER_BOUND);
588 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
589 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
590 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
591 IWLAGN_RTC_DATA_LOWER_BOUND);
592 return 0;
593}
594
595#define FW_ADDR_CACHE_CONTROL 0xC0000000
596
597static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
598 const struct firmware *ucode_raw,
599 struct iwl_firmware_pieces *pieces,
600 struct iwl_ucode_capabilities *capa,
601 bool *usniffer_images)
602{
603 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
604 struct iwl_ucode_tlv *tlv;
605 size_t len = ucode_raw->size;
606 const u8 *data;
607 u32 tlv_len;
608 u32 usniffer_img;
609 enum iwl_ucode_tlv_type tlv_type;
610 const u8 *tlv_data;
611 char buildstr[25];
612 u32 build, paging_mem_size;
613 int num_of_cpus;
614 bool usniffer_req = false;
615
616 if (len < sizeof(*ucode)) {
617 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
618 return -EINVAL;
619 }
620
621 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
622 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
623 le32_to_cpu(ucode->magic));
624 return -EINVAL;
625 }
626
627 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
628 memcpy(drv->fw.human_readable, ucode->human_readable,
629 sizeof(drv->fw.human_readable));
630 build = le32_to_cpu(ucode->build);
631
632 if (build)
633 sprintf(buildstr, " build %u", build);
634 else
635 buildstr[0] = '\0';
636
637 snprintf(drv->fw.fw_version,
638 sizeof(drv->fw.fw_version),
639 "%u.%u.%u.%u%s",
640 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
641 IWL_UCODE_MINOR(drv->fw.ucode_ver),
642 IWL_UCODE_API(drv->fw.ucode_ver),
643 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
644 buildstr);
645
646 data = ucode->data;
647
648 len -= sizeof(*ucode);
649
650 if (iwlwifi_mod_params.enable_ini)
651 iwl_alloc_dbg_tlv(drv->trans, len, data, false);
652
653 while (len >= sizeof(*tlv)) {
654 len -= sizeof(*tlv);
655 tlv = (void *)data;
656
657 tlv_len = le32_to_cpu(tlv->length);
658 tlv_type = le32_to_cpu(tlv->type);
659 tlv_data = tlv->data;
660
661 if (len < tlv_len) {
662 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
663 len, tlv_len);
664 return -EINVAL;
665 }
666 len -= ALIGN(tlv_len, 4);
667 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
668
669 switch (tlv_type) {
670 case IWL_UCODE_TLV_INST:
671 set_sec_data(pieces, IWL_UCODE_REGULAR,
672 IWL_UCODE_SECTION_INST, tlv_data);
673 set_sec_size(pieces, IWL_UCODE_REGULAR,
674 IWL_UCODE_SECTION_INST, tlv_len);
675 set_sec_offset(pieces, IWL_UCODE_REGULAR,
676 IWL_UCODE_SECTION_INST,
677 IWLAGN_RTC_INST_LOWER_BOUND);
678 break;
679 case IWL_UCODE_TLV_DATA:
680 set_sec_data(pieces, IWL_UCODE_REGULAR,
681 IWL_UCODE_SECTION_DATA, tlv_data);
682 set_sec_size(pieces, IWL_UCODE_REGULAR,
683 IWL_UCODE_SECTION_DATA, tlv_len);
684 set_sec_offset(pieces, IWL_UCODE_REGULAR,
685 IWL_UCODE_SECTION_DATA,
686 IWLAGN_RTC_DATA_LOWER_BOUND);
687 break;
688 case IWL_UCODE_TLV_INIT:
689 set_sec_data(pieces, IWL_UCODE_INIT,
690 IWL_UCODE_SECTION_INST, tlv_data);
691 set_sec_size(pieces, IWL_UCODE_INIT,
692 IWL_UCODE_SECTION_INST, tlv_len);
693 set_sec_offset(pieces, IWL_UCODE_INIT,
694 IWL_UCODE_SECTION_INST,
695 IWLAGN_RTC_INST_LOWER_BOUND);
696 break;
697 case IWL_UCODE_TLV_INIT_DATA:
698 set_sec_data(pieces, IWL_UCODE_INIT,
699 IWL_UCODE_SECTION_DATA, tlv_data);
700 set_sec_size(pieces, IWL_UCODE_INIT,
701 IWL_UCODE_SECTION_DATA, tlv_len);
702 set_sec_offset(pieces, IWL_UCODE_INIT,
703 IWL_UCODE_SECTION_DATA,
704 IWLAGN_RTC_DATA_LOWER_BOUND);
705 break;
706 case IWL_UCODE_TLV_BOOT:
707 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
708 break;
709 case IWL_UCODE_TLV_PROBE_MAX_LEN:
710 if (tlv_len != sizeof(u32))
711 goto invalid_tlv_len;
712 capa->max_probe_length =
713 le32_to_cpup((__le32 *)tlv_data);
714 break;
715 case IWL_UCODE_TLV_PAN:
716 if (tlv_len)
717 goto invalid_tlv_len;
718 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
719 break;
720 case IWL_UCODE_TLV_FLAGS:
721
722 if (tlv_len < sizeof(u32))
723 goto invalid_tlv_len;
724
725 if (tlv_len % sizeof(u32))
726 goto invalid_tlv_len;
727
728
729
730
731
732
733
734 capa->flags = le32_to_cpup((__le32 *)tlv_data);
735 break;
736 case IWL_UCODE_TLV_API_CHANGES_SET:
737 if (tlv_len != sizeof(struct iwl_ucode_api))
738 goto invalid_tlv_len;
739 iwl_set_ucode_api_flags(drv, tlv_data, capa);
740 break;
741 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
742 if (tlv_len != sizeof(struct iwl_ucode_capa))
743 goto invalid_tlv_len;
744 iwl_set_ucode_capabilities(drv, tlv_data, capa);
745 break;
746 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
747 if (tlv_len != sizeof(u32))
748 goto invalid_tlv_len;
749 pieces->init_evtlog_ptr =
750 le32_to_cpup((__le32 *)tlv_data);
751 break;
752 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
753 if (tlv_len != sizeof(u32))
754 goto invalid_tlv_len;
755 pieces->init_evtlog_size =
756 le32_to_cpup((__le32 *)tlv_data);
757 break;
758 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
759 if (tlv_len != sizeof(u32))
760 goto invalid_tlv_len;
761 pieces->init_errlog_ptr =
762 le32_to_cpup((__le32 *)tlv_data);
763 break;
764 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
765 if (tlv_len != sizeof(u32))
766 goto invalid_tlv_len;
767 pieces->inst_evtlog_ptr =
768 le32_to_cpup((__le32 *)tlv_data);
769 break;
770 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
771 if (tlv_len != sizeof(u32))
772 goto invalid_tlv_len;
773 pieces->inst_evtlog_size =
774 le32_to_cpup((__le32 *)tlv_data);
775 break;
776 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
777 if (tlv_len != sizeof(u32))
778 goto invalid_tlv_len;
779 pieces->inst_errlog_ptr =
780 le32_to_cpup((__le32 *)tlv_data);
781 break;
782 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
783 if (tlv_len)
784 goto invalid_tlv_len;
785 drv->fw.enhance_sensitivity_table = true;
786 break;
787 case IWL_UCODE_TLV_WOWLAN_INST:
788 set_sec_data(pieces, IWL_UCODE_WOWLAN,
789 IWL_UCODE_SECTION_INST, tlv_data);
790 set_sec_size(pieces, IWL_UCODE_WOWLAN,
791 IWL_UCODE_SECTION_INST, tlv_len);
792 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
793 IWL_UCODE_SECTION_INST,
794 IWLAGN_RTC_INST_LOWER_BOUND);
795 break;
796 case IWL_UCODE_TLV_WOWLAN_DATA:
797 set_sec_data(pieces, IWL_UCODE_WOWLAN,
798 IWL_UCODE_SECTION_DATA, tlv_data);
799 set_sec_size(pieces, IWL_UCODE_WOWLAN,
800 IWL_UCODE_SECTION_DATA, tlv_len);
801 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
802 IWL_UCODE_SECTION_DATA,
803 IWLAGN_RTC_DATA_LOWER_BOUND);
804 break;
805 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
806 if (tlv_len != sizeof(u32))
807 goto invalid_tlv_len;
808 capa->standard_phy_calibration_size =
809 le32_to_cpup((__le32 *)tlv_data);
810 break;
811 case IWL_UCODE_TLV_SEC_RT:
812 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
813 tlv_len);
814 drv->fw.type = IWL_FW_MVM;
815 break;
816 case IWL_UCODE_TLV_SEC_INIT:
817 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
818 tlv_len);
819 drv->fw.type = IWL_FW_MVM;
820 break;
821 case IWL_UCODE_TLV_SEC_WOWLAN:
822 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
823 tlv_len);
824 drv->fw.type = IWL_FW_MVM;
825 break;
826 case IWL_UCODE_TLV_DEF_CALIB:
827 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
828 goto invalid_tlv_len;
829 if (iwl_set_default_calib(drv, tlv_data))
830 goto tlv_error;
831 break;
832 case IWL_UCODE_TLV_PHY_SKU:
833 if (tlv_len != sizeof(u32))
834 goto invalid_tlv_len;
835 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
836 drv->fw.valid_tx_ant = (drv->fw.phy_config &
837 FW_PHY_CFG_TX_CHAIN) >>
838 FW_PHY_CFG_TX_CHAIN_POS;
839 drv->fw.valid_rx_ant = (drv->fw.phy_config &
840 FW_PHY_CFG_RX_CHAIN) >>
841 FW_PHY_CFG_RX_CHAIN_POS;
842 break;
843 case IWL_UCODE_TLV_SECURE_SEC_RT:
844 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
845 tlv_len);
846 drv->fw.type = IWL_FW_MVM;
847 break;
848 case IWL_UCODE_TLV_SECURE_SEC_INIT:
849 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
850 tlv_len);
851 drv->fw.type = IWL_FW_MVM;
852 break;
853 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
854 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
855 tlv_len);
856 drv->fw.type = IWL_FW_MVM;
857 break;
858 case IWL_UCODE_TLV_NUM_OF_CPU:
859 if (tlv_len != sizeof(u32))
860 goto invalid_tlv_len;
861 num_of_cpus =
862 le32_to_cpup((__le32 *)tlv_data);
863
864 if (num_of_cpus == 2) {
865 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
866 true;
867 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
868 true;
869 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
870 true;
871 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
872 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
873 return -EINVAL;
874 }
875 break;
876 case IWL_UCODE_TLV_CSCHEME:
877 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
878 goto invalid_tlv_len;
879 break;
880 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
881 if (tlv_len != sizeof(u32))
882 goto invalid_tlv_len;
883 capa->n_scan_channels =
884 le32_to_cpup((__le32 *)tlv_data);
885 break;
886 case IWL_UCODE_TLV_FW_VERSION: {
887 __le32 *ptr = (void *)tlv_data;
888 u32 major, minor;
889 u8 local_comp;
890
891 if (tlv_len != sizeof(u32) * 3)
892 goto invalid_tlv_len;
893
894 major = le32_to_cpup(ptr++);
895 minor = le32_to_cpup(ptr++);
896 local_comp = le32_to_cpup(ptr);
897
898 if (major >= 35)
899 snprintf(drv->fw.fw_version,
900 sizeof(drv->fw.fw_version),
901 "%u.%08x.%u", major, minor, local_comp);
902 else
903 snprintf(drv->fw.fw_version,
904 sizeof(drv->fw.fw_version),
905 "%u.%u.%u", major, minor, local_comp);
906 break;
907 }
908 case IWL_UCODE_TLV_FW_DBG_DEST: {
909 struct iwl_fw_dbg_dest_tlv *dest = NULL;
910 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL;
911 u8 mon_mode;
912
913 pieces->dbg_dest_ver = (u8 *)tlv_data;
914 if (*pieces->dbg_dest_ver == 1) {
915 dest = (void *)tlv_data;
916 } else if (*pieces->dbg_dest_ver == 0) {
917 dest_v1 = (void *)tlv_data;
918 } else {
919 IWL_ERR(drv,
920 "The version is %d, and it is invalid\n",
921 *pieces->dbg_dest_ver);
922 break;
923 }
924
925 if (pieces->dbg_dest_tlv_init) {
926 IWL_ERR(drv,
927 "dbg destination ignored, already exists\n");
928 break;
929 }
930
931 pieces->dbg_dest_tlv_init = true;
932
933 if (dest_v1) {
934 pieces->dbg_dest_tlv_v1 = dest_v1;
935 mon_mode = dest_v1->monitor_mode;
936 } else {
937 pieces->dbg_dest_tlv = dest;
938 mon_mode = dest->monitor_mode;
939 }
940
941 IWL_INFO(drv, "Found debug destination: %s\n",
942 get_fw_dbg_mode_string(mon_mode));
943
944 drv->fw.dbg.n_dest_reg = (dest_v1) ?
945 tlv_len -
946 offsetof(struct iwl_fw_dbg_dest_tlv_v1,
947 reg_ops) :
948 tlv_len -
949 offsetof(struct iwl_fw_dbg_dest_tlv,
950 reg_ops);
951
952 drv->fw.dbg.n_dest_reg /=
953 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]);
954
955 break;
956 }
957 case IWL_UCODE_TLV_FW_DBG_CONF: {
958 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
959
960 if (!pieces->dbg_dest_tlv_init) {
961 IWL_ERR(drv,
962 "Ignore dbg config %d - no destination configured\n",
963 conf->id);
964 break;
965 }
966
967 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) {
968 IWL_ERR(drv,
969 "Skip unknown configuration: %d\n",
970 conf->id);
971 break;
972 }
973
974 if (pieces->dbg_conf_tlv[conf->id]) {
975 IWL_ERR(drv,
976 "Ignore duplicate dbg config %d\n",
977 conf->id);
978 break;
979 }
980
981 if (conf->usniffer)
982 usniffer_req = true;
983
984 IWL_INFO(drv, "Found debug configuration: %d\n",
985 conf->id);
986
987 pieces->dbg_conf_tlv[conf->id] = conf;
988 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
989 break;
990 }
991 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
992 struct iwl_fw_dbg_trigger_tlv *trigger =
993 (void *)tlv_data;
994 u32 trigger_id = le32_to_cpu(trigger->id);
995
996 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) {
997 IWL_ERR(drv,
998 "Skip unknown trigger: %u\n",
999 trigger->id);
1000 break;
1001 }
1002
1003 if (pieces->dbg_trigger_tlv[trigger_id]) {
1004 IWL_ERR(drv,
1005 "Ignore duplicate dbg trigger %u\n",
1006 trigger->id);
1007 break;
1008 }
1009
1010 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
1011
1012 pieces->dbg_trigger_tlv[trigger_id] = trigger;
1013 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
1014 break;
1015 }
1016 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: {
1017 if (tlv_len != sizeof(u32)) {
1018 IWL_ERR(drv,
1019 "dbg lst mask size incorrect, skip\n");
1020 break;
1021 }
1022
1023 drv->fw.dbg.dump_mask =
1024 le32_to_cpup((__le32 *)tlv_data);
1025 break;
1026 }
1027 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
1028 *usniffer_images = true;
1029 iwl_store_ucode_sec(pieces, tlv_data,
1030 IWL_UCODE_REGULAR_USNIFFER,
1031 tlv_len);
1032 break;
1033 case IWL_UCODE_TLV_PAGING:
1034 if (tlv_len != sizeof(u32))
1035 goto invalid_tlv_len;
1036 paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
1037
1038 IWL_DEBUG_FW(drv,
1039 "Paging: paging enabled (size = %u bytes)\n",
1040 paging_mem_size);
1041
1042 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
1043 IWL_ERR(drv,
1044 "Paging: driver supports up to %lu bytes for paging image\n",
1045 MAX_PAGING_IMAGE_SIZE);
1046 return -EINVAL;
1047 }
1048
1049 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1050 IWL_ERR(drv,
1051 "Paging: image isn't multiple %lu\n",
1052 FW_PAGING_SIZE);
1053 return -EINVAL;
1054 }
1055
1056 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1057 paging_mem_size;
1058 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1059 drv->fw.img[usniffer_img].paging_mem_size =
1060 paging_mem_size;
1061 break;
1062 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1063
1064 break;
1065 case IWL_UCODE_TLV_FW_MEM_SEG: {
1066 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1067 (void *)tlv_data;
1068 size_t size;
1069 struct iwl_fw_dbg_mem_seg_tlv *n;
1070
1071 if (tlv_len != (sizeof(*dbg_mem)))
1072 goto invalid_tlv_len;
1073
1074 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1075 dbg_mem->data_type);
1076
1077 size = sizeof(*pieces->dbg_mem_tlv) *
1078 (pieces->n_mem_tlv + 1);
1079 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);
1080 if (!n)
1081 return -ENOMEM;
1082 pieces->dbg_mem_tlv = n;
1083 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem;
1084 pieces->n_mem_tlv++;
1085 break;
1086 }
1087 case IWL_UCODE_TLV_IML: {
1088 drv->fw.iml_len = tlv_len;
1089 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1090 if (!drv->fw.iml)
1091 return -ENOMEM;
1092 break;
1093 }
1094 case IWL_UCODE_TLV_FW_RECOVERY_INFO: {
1095 struct {
1096 __le32 buf_addr;
1097 __le32 buf_size;
1098 } *recov_info = (void *)tlv_data;
1099
1100 if (tlv_len != sizeof(*recov_info))
1101 goto invalid_tlv_len;
1102 capa->error_log_addr =
1103 le32_to_cpu(recov_info->buf_addr);
1104 capa->error_log_size =
1105 le32_to_cpu(recov_info->buf_size);
1106 }
1107 break;
1108 case IWL_UCODE_TLV_FW_FSEQ_VERSION: {
1109 struct {
1110 u8 version[32];
1111 u8 sha1[20];
1112 } *fseq_ver = (void *)tlv_data;
1113
1114 if (tlv_len != sizeof(*fseq_ver))
1115 goto invalid_tlv_len;
1116 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n",
1117 fseq_ver->version);
1118 }
1119 break;
1120 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: {
1121 struct iwl_umac_debug_addrs *dbg_ptrs =
1122 (void *)tlv_data;
1123
1124 if (tlv_len != sizeof(*dbg_ptrs))
1125 goto invalid_tlv_len;
1126 if (drv->trans->cfg->device_family <
1127 IWL_DEVICE_FAMILY_22000)
1128 break;
1129 drv->trans->dbg.umac_error_event_table =
1130 le32_to_cpu(dbg_ptrs->error_info_addr) &
1131 ~FW_ADDR_CACHE_CONTROL;
1132 drv->trans->dbg.error_event_table_tlv_status |=
1133 IWL_ERROR_EVENT_TABLE_UMAC;
1134 break;
1135 }
1136 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: {
1137 struct iwl_lmac_debug_addrs *dbg_ptrs =
1138 (void *)tlv_data;
1139
1140 if (tlv_len != sizeof(*dbg_ptrs))
1141 goto invalid_tlv_len;
1142 if (drv->trans->cfg->device_family <
1143 IWL_DEVICE_FAMILY_22000)
1144 break;
1145 drv->trans->dbg.lmac_error_event_table[0] =
1146 le32_to_cpu(dbg_ptrs->error_event_table_ptr) &
1147 ~FW_ADDR_CACHE_CONTROL;
1148 drv->trans->dbg.error_event_table_tlv_status |=
1149 IWL_ERROR_EVENT_TABLE_LMAC1;
1150 break;
1151 }
1152 case IWL_UCODE_TLV_TYPE_DEBUG_INFO:
1153 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:
1154 case IWL_UCODE_TLV_TYPE_HCMD:
1155 case IWL_UCODE_TLV_TYPE_REGIONS:
1156 case IWL_UCODE_TLV_TYPE_TRIGGERS:
1157 case IWL_UCODE_TLV_TYPE_DEBUG_FLOW:
1158 if (iwlwifi_mod_params.enable_ini)
1159 iwl_fw_dbg_copy_tlv(drv->trans, tlv, false);
1160 break;
1161 case IWL_UCODE_TLV_CMD_VERSIONS:
1162 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) {
1163 IWL_ERR(drv,
1164 "Invalid length for command versions: %u\n",
1165 tlv_len);
1166 tlv_len /= sizeof(struct iwl_fw_cmd_version);
1167 tlv_len *= sizeof(struct iwl_fw_cmd_version);
1168 }
1169 if (WARN_ON(capa->cmd_versions))
1170 return -EINVAL;
1171 capa->cmd_versions = kmemdup(tlv_data, tlv_len,
1172 GFP_KERNEL);
1173 if (!capa->cmd_versions)
1174 return -ENOMEM;
1175 capa->n_cmd_versions =
1176 tlv_len / sizeof(struct iwl_fw_cmd_version);
1177 break;
1178 default:
1179 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1180 break;
1181 }
1182 }
1183
1184 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1185 usniffer_req && !*usniffer_images) {
1186 IWL_ERR(drv,
1187 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1188 return -EINVAL;
1189 }
1190
1191 if (len) {
1192 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1193 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1194 return -EINVAL;
1195 }
1196
1197 return 0;
1198
1199 invalid_tlv_len:
1200 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1201 tlv_error:
1202 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1203
1204 return -EINVAL;
1205}
1206
1207static int iwl_alloc_ucode(struct iwl_drv *drv,
1208 struct iwl_firmware_pieces *pieces,
1209 enum iwl_ucode_type type)
1210{
1211 int i;
1212 struct fw_desc *sec;
1213
1214 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL);
1215 if (!sec)
1216 return -ENOMEM;
1217 drv->fw.img[type].sec = sec;
1218 drv->fw.img[type].num_sec = pieces->img[type].sec_counter;
1219
1220 for (i = 0; i < pieces->img[type].sec_counter; i++)
1221 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i)))
1222 return -ENOMEM;
1223
1224 return 0;
1225}
1226
1227static int validate_sec_sizes(struct iwl_drv *drv,
1228 struct iwl_firmware_pieces *pieces,
1229 const struct iwl_cfg *cfg)
1230{
1231 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n",
1232 get_sec_size(pieces, IWL_UCODE_REGULAR,
1233 IWL_UCODE_SECTION_INST));
1234 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n",
1235 get_sec_size(pieces, IWL_UCODE_REGULAR,
1236 IWL_UCODE_SECTION_DATA));
1237 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n",
1238 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1239 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n",
1240 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1241
1242
1243 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1244 cfg->max_inst_size) {
1245 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n",
1246 get_sec_size(pieces, IWL_UCODE_REGULAR,
1247 IWL_UCODE_SECTION_INST));
1248 return -1;
1249 }
1250
1251 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1252 cfg->max_data_size) {
1253 IWL_ERR(drv, "uCode data len %zd too large to fit in\n",
1254 get_sec_size(pieces, IWL_UCODE_REGULAR,
1255 IWL_UCODE_SECTION_DATA));
1256 return -1;
1257 }
1258
1259 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1260 cfg->max_inst_size) {
1261 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n",
1262 get_sec_size(pieces, IWL_UCODE_INIT,
1263 IWL_UCODE_SECTION_INST));
1264 return -1;
1265 }
1266
1267 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1268 cfg->max_data_size) {
1269 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n",
1270 get_sec_size(pieces, IWL_UCODE_REGULAR,
1271 IWL_UCODE_SECTION_DATA));
1272 return -1;
1273 }
1274 return 0;
1275}
1276
1277static struct iwl_op_mode *
1278_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1279{
1280 const struct iwl_op_mode_ops *ops = op->ops;
1281 struct dentry *dbgfs_dir = NULL;
1282 struct iwl_op_mode *op_mode = NULL;
1283
1284#ifdef CONFIG_IWLWIFI_DEBUGFS
1285 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1286 drv->dbgfs_drv);
1287 dbgfs_dir = drv->dbgfs_op_mode;
1288#endif
1289
1290 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir);
1291
1292#ifdef CONFIG_IWLWIFI_DEBUGFS
1293 if (!op_mode) {
1294 debugfs_remove_recursive(drv->dbgfs_op_mode);
1295 drv->dbgfs_op_mode = NULL;
1296 }
1297#endif
1298
1299 return op_mode;
1300}
1301
1302static void _iwl_op_mode_stop(struct iwl_drv *drv)
1303{
1304
1305 if (drv->op_mode) {
1306 iwl_op_mode_stop(drv->op_mode);
1307 drv->op_mode = NULL;
1308
1309#ifdef CONFIG_IWLWIFI_DEBUGFS
1310 debugfs_remove_recursive(drv->dbgfs_op_mode);
1311 drv->dbgfs_op_mode = NULL;
1312#endif
1313 }
1314}
1315
1316
1317
1318
1319
1320
1321
1322static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1323{
1324 struct iwl_drv *drv = context;
1325 struct iwl_fw *fw = &drv->fw;
1326 struct iwl_ucode_header *ucode;
1327 struct iwlwifi_opmode_table *op;
1328 int err;
1329 struct iwl_firmware_pieces *pieces;
1330 const unsigned int api_max = drv->trans->cfg->ucode_api_max;
1331 const unsigned int api_min = drv->trans->cfg->ucode_api_min;
1332 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1333 u32 api_ver;
1334 int i;
1335 bool load_module = false;
1336 bool usniffer_images = false;
1337
1338 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1339 fw->ucode_capa.standard_phy_calibration_size =
1340 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1341 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1342
1343 fw->dbg.dump_mask = 0xffffffff;
1344
1345 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1346 if (!pieces)
1347 goto out_free_fw;
1348
1349 if (!ucode_raw)
1350 goto try_again;
1351
1352 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1353 drv->firmware_name, ucode_raw->size);
1354
1355
1356 if (ucode_raw->size < 4) {
1357 IWL_ERR(drv, "File size way too small!\n");
1358 goto try_again;
1359 }
1360
1361
1362 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1363
1364 if (ucode->ver)
1365 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1366 else
1367 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1368 &fw->ucode_capa, &usniffer_images);
1369
1370 if (err)
1371 goto try_again;
1372
1373 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1374 api_ver = drv->fw.ucode_ver;
1375 else
1376 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1377
1378
1379
1380
1381
1382
1383 if (api_ver < api_min || api_ver > api_max) {
1384 IWL_ERR(drv,
1385 "Driver unable to support your firmware API. "
1386 "Driver supports v%u, firmware is v%u.\n",
1387 api_max, api_ver);
1388 goto try_again;
1389 }
1390
1391
1392
1393
1394
1395 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces,
1396 drv->trans->cfg))
1397 goto try_again;
1398
1399
1400
1401
1402
1403
1404
1405 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1406 if (iwl_alloc_ucode(drv, pieces, i))
1407 goto out_free_fw;
1408
1409 if (pieces->dbg_dest_tlv_init) {
1410 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) +
1411 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1412 drv->fw.dbg.n_dest_reg;
1413
1414 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);
1415
1416 if (!drv->fw.dbg.dest_tlv)
1417 goto out_free_fw;
1418
1419 if (*pieces->dbg_dest_ver == 0) {
1420 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1,
1421 dbg_dest_size);
1422 } else {
1423 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv =
1424 drv->fw.dbg.dest_tlv;
1425
1426 dest_tlv->version = pieces->dbg_dest_tlv->version;
1427 dest_tlv->monitor_mode =
1428 pieces->dbg_dest_tlv->monitor_mode;
1429 dest_tlv->size_power =
1430 pieces->dbg_dest_tlv->size_power;
1431 dest_tlv->wrap_count =
1432 pieces->dbg_dest_tlv->wrap_count;
1433 dest_tlv->write_ptr_reg =
1434 pieces->dbg_dest_tlv->write_ptr_reg;
1435 dest_tlv->base_shift =
1436 pieces->dbg_dest_tlv->base_shift;
1437 memcpy(dest_tlv->reg_ops,
1438 pieces->dbg_dest_tlv->reg_ops,
1439 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1440 drv->fw.dbg.n_dest_reg);
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg;
1451 dest_tlv->end_shift =
1452 pieces->dbg_dest_tlv->size_shift;
1453 }
1454 }
1455
1456 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) {
1457 if (pieces->dbg_conf_tlv[i]) {
1458 drv->fw.dbg.conf_tlv[i] =
1459 kmemdup(pieces->dbg_conf_tlv[i],
1460 pieces->dbg_conf_tlv_len[i],
1461 GFP_KERNEL);
1462 if (!pieces->dbg_conf_tlv_len[i])
1463 goto out_free_fw;
1464 }
1465 }
1466
1467 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1468
1469 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1470 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1471 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1472 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1473 sizeof(struct iwl_fw_dbg_trigger_cmd);
1474 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1475 sizeof(struct iwl_fw_dbg_trigger_mlme);
1476 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1477 sizeof(struct iwl_fw_dbg_trigger_stats);
1478 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1479 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1480 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1481 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1482 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1483 sizeof(struct iwl_fw_dbg_trigger_time_event);
1484 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1485 sizeof(struct iwl_fw_dbg_trigger_ba);
1486 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1487 sizeof(struct iwl_fw_dbg_trigger_tdls);
1488
1489 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) {
1490 if (pieces->dbg_trigger_tlv[i]) {
1491
1492
1493
1494
1495
1496
1497
1498 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1499 (trigger_tlv_sz[i] +
1500 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1501 goto out_free_fw;
1502 drv->fw.dbg.trigger_tlv_len[i] =
1503 pieces->dbg_trigger_tlv_len[i];
1504 drv->fw.dbg.trigger_tlv[i] =
1505 kmemdup(pieces->dbg_trigger_tlv[i],
1506 drv->fw.dbg.trigger_tlv_len[i],
1507 GFP_KERNEL);
1508 if (!drv->fw.dbg.trigger_tlv[i])
1509 goto out_free_fw;
1510 }
1511 }
1512
1513
1514
1515 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv;
1516 pieces->dbg_mem_tlv = NULL;
1517 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv;
1518
1519
1520
1521
1522
1523
1524 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1525 if (pieces->init_evtlog_size)
1526 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1527 else
1528 fw->init_evtlog_size =
1529 drv->trans->cfg->base_params->max_event_log_size;
1530 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1531 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1532 if (pieces->inst_evtlog_size)
1533 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1534 else
1535 fw->inst_evtlog_size =
1536 drv->trans->cfg->base_params->max_event_log_size;
1537 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1538
1539
1540
1541
1542
1543 if (fw->ucode_capa.standard_phy_calibration_size >
1544 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1545 fw->ucode_capa.standard_phy_calibration_size =
1546 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1547
1548
1549 release_firmware(ucode_raw);
1550
1551 mutex_lock(&iwlwifi_opmode_table_mtx);
1552 switch (fw->type) {
1553 case IWL_FW_DVM:
1554 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1555 break;
1556 default:
1557 WARN(1, "Invalid fw type %d\n", fw->type);
1558
1559 case IWL_FW_MVM:
1560 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1561 break;
1562 }
1563
1564 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1565 drv->fw.fw_version, op->name);
1566
1567
1568 list_add_tail(&drv->list, &op->drv);
1569
1570 if (op->ops) {
1571 drv->op_mode = _iwl_op_mode_start(drv, op);
1572
1573 if (!drv->op_mode) {
1574 mutex_unlock(&iwlwifi_opmode_table_mtx);
1575 goto out_unbind;
1576 }
1577 } else {
1578 load_module = true;
1579 }
1580 mutex_unlock(&iwlwifi_opmode_table_mtx);
1581
1582
1583
1584
1585
1586
1587 complete(&drv->request_firmware_complete);
1588
1589
1590
1591
1592
1593
1594 if (load_module) {
1595 request_module("%s", op->name);
1596#ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1597 if (err)
1598 IWL_ERR(drv,
1599 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1600 op->name, err);
1601#endif
1602 }
1603 goto free;
1604
1605 try_again:
1606
1607 release_firmware(ucode_raw);
1608 if (iwl_request_firmware(drv, false))
1609 goto out_unbind;
1610 goto free;
1611
1612 out_free_fw:
1613 release_firmware(ucode_raw);
1614 out_unbind:
1615 complete(&drv->request_firmware_complete);
1616 device_release_driver(drv->trans->dev);
1617 free:
1618 if (pieces) {
1619 for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
1620 kfree(pieces->img[i].sec);
1621 kfree(pieces->dbg_mem_tlv);
1622 kfree(pieces);
1623 }
1624}
1625
1626struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
1627{
1628 struct iwl_drv *drv;
1629 int ret;
1630
1631 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1632 if (!drv) {
1633 ret = -ENOMEM;
1634 goto err;
1635 }
1636
1637 drv->trans = trans;
1638 drv->dev = trans->dev;
1639
1640 init_completion(&drv->request_firmware_complete);
1641 INIT_LIST_HEAD(&drv->list);
1642
1643 iwl_load_fw_dbg_tlv(drv->trans->dev, drv->trans);
1644
1645#ifdef CONFIG_IWLWIFI_DEBUGFS
1646
1647 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1648 iwl_dbgfs_root);
1649
1650
1651 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1652#endif
1653
1654 ret = iwl_request_firmware(drv, true);
1655 if (ret) {
1656 IWL_ERR(trans, "Couldn't request the fw\n");
1657 goto err_fw;
1658 }
1659
1660 return drv;
1661
1662err_fw:
1663#ifdef CONFIG_IWLWIFI_DEBUGFS
1664 debugfs_remove_recursive(drv->dbgfs_drv);
1665#endif
1666 iwl_fw_dbg_free(drv->trans);
1667 kfree(drv);
1668err:
1669 return ERR_PTR(ret);
1670}
1671
1672void iwl_drv_stop(struct iwl_drv *drv)
1673{
1674 wait_for_completion(&drv->request_firmware_complete);
1675
1676 _iwl_op_mode_stop(drv);
1677
1678 iwl_dealloc_ucode(drv);
1679
1680 mutex_lock(&iwlwifi_opmode_table_mtx);
1681
1682
1683
1684
1685
1686 if (!list_empty(&drv->list))
1687 list_del(&drv->list);
1688 mutex_unlock(&iwlwifi_opmode_table_mtx);
1689
1690#ifdef CONFIG_IWLWIFI_DEBUGFS
1691 drv->trans->ops->debugfs_cleanup(drv->trans);
1692
1693 debugfs_remove_recursive(drv->dbgfs_drv);
1694#endif
1695
1696 iwl_fw_dbg_free(drv->trans);
1697
1698 kfree(drv);
1699}
1700
1701
1702
1703struct iwl_mod_params iwlwifi_mod_params = {
1704 .fw_restart = true,
1705 .bt_coex_active = true,
1706 .power_level = IWL_POWER_INDEX_1,
1707 .d0i3_disable = true,
1708 .d0i3_timeout = 1000,
1709 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1710
1711};
1712IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1713
1714int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1715{
1716 int i;
1717 struct iwl_drv *drv;
1718 struct iwlwifi_opmode_table *op;
1719
1720 mutex_lock(&iwlwifi_opmode_table_mtx);
1721 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1722 op = &iwlwifi_opmode_table[i];
1723 if (strcmp(op->name, name))
1724 continue;
1725 op->ops = ops;
1726
1727 list_for_each_entry(drv, &op->drv, list)
1728 drv->op_mode = _iwl_op_mode_start(drv, op);
1729
1730 mutex_unlock(&iwlwifi_opmode_table_mtx);
1731 return 0;
1732 }
1733 mutex_unlock(&iwlwifi_opmode_table_mtx);
1734 return -EIO;
1735}
1736IWL_EXPORT_SYMBOL(iwl_opmode_register);
1737
1738void iwl_opmode_deregister(const char *name)
1739{
1740 int i;
1741 struct iwl_drv *drv;
1742
1743 mutex_lock(&iwlwifi_opmode_table_mtx);
1744 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1745 if (strcmp(iwlwifi_opmode_table[i].name, name))
1746 continue;
1747 iwlwifi_opmode_table[i].ops = NULL;
1748
1749
1750 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1751 _iwl_op_mode_stop(drv);
1752
1753 mutex_unlock(&iwlwifi_opmode_table_mtx);
1754 return;
1755 }
1756 mutex_unlock(&iwlwifi_opmode_table_mtx);
1757}
1758IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1759
1760static int __init iwl_drv_init(void)
1761{
1762 int i, err;
1763
1764 mutex_init(&iwlwifi_opmode_table_mtx);
1765
1766 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1767 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1768
1769 pr_info(DRV_DESCRIPTION "\n");
1770 pr_info(DRV_COPYRIGHT "\n");
1771
1772#ifdef CONFIG_IWLWIFI_DEBUGFS
1773
1774 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1775#endif
1776
1777 err = iwl_pci_register_driver();
1778 if (err)
1779 goto cleanup_debugfs;
1780
1781 return 0;
1782
1783cleanup_debugfs:
1784#ifdef CONFIG_IWLWIFI_DEBUGFS
1785 debugfs_remove_recursive(iwl_dbgfs_root);
1786#endif
1787 return err;
1788}
1789module_init(iwl_drv_init);
1790
1791static void __exit iwl_drv_exit(void)
1792{
1793 iwl_pci_unregister_driver();
1794
1795#ifdef CONFIG_IWLWIFI_DEBUGFS
1796 debugfs_remove_recursive(iwl_dbgfs_root);
1797#endif
1798}
1799module_exit(iwl_drv_exit);
1800
1801#ifdef CONFIG_IWLWIFI_DEBUG
1802module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644);
1803MODULE_PARM_DESC(debug, "debug output mask");
1804#endif
1805
1806module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444);
1807MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1808module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444);
1809MODULE_PARM_DESC(11n_disable,
1810 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1811module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444);
1812MODULE_PARM_DESC(amsdu_size,
1813 "amsdu size 0: 12K for multi Rx queue devices, 2K for 22560 devices, "
1814 "4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)");
1815module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);
1816MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1817
1818module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling,
1819 int, 0444);
1820MODULE_PARM_DESC(antenna_coupling,
1821 "specify antenna coupling in dB (default: 0 dB)");
1822
1823module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);
1824MODULE_PARM_DESC(nvm_file, "NVM file name");
1825
1826module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, bool, 0444);
1827MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1828
1829module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, bool, 0444);
1830MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1831
1832module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);
1833MODULE_PARM_DESC(uapsd_disable,
1834 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1835module_param_named(enable_ini, iwlwifi_mod_params.enable_ini,
1836 bool, S_IRUGO | S_IWUSR);
1837MODULE_PARM_DESC(enable_ini,
1838 "Enable debug INI TLV FW debug infrastructure (default: 0");
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1857 bool, 0444);
1858MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1859
1860module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444);
1861MODULE_PARM_DESC(led_mode, "0=system default, "
1862 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1863
1864module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444);
1865MODULE_PARM_DESC(power_save,
1866 "enable WiFi power management (default: disable)");
1867
1868module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444);
1869MODULE_PARM_DESC(power_level,
1870 "default power save level (range from 1 - 5, default: 1)");
1871
1872module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, 0444);
1873MODULE_PARM_DESC(fw_monitor,
1874 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1875
1876module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout, uint, 0444);
1877MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
1878
1879module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);
1880MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
1881
1882module_param_named(remove_when_gone,
1883 iwlwifi_mod_params.remove_when_gone, bool,
1884 0444);
1885MODULE_PARM_DESC(remove_when_gone,
1886 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)");
1887
1888module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool,
1889 S_IRUGO);
1890MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
1891
