1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2005-2014, 2018-2025 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
7 #if defined(__FreeBSD__)
8 #define LINUXKPI_PARAM_PREFIX iwlwifi_
9 #endif
10 #include <linux/completion.h>
11 #include <linux/dma-mapping.h>
12 #include <linux/firmware.h>
13 #include <linux/module.h>
14 #include <linux/vmalloc.h>
15
16 #include "iwl-drv.h"
17 #include "iwl-csr.h"
18 #include "iwl-debug.h"
19 #include "iwl-trans.h"
20 #include "iwl-op-mode.h"
21 #include "iwl-agn-hw.h"
22 #include "fw/img.h"
23 #include "iwl-dbg-tlv.h"
24 #include "iwl-config.h"
25 #include "iwl-modparams.h"
26 #include "fw/api/alive.h"
27 #include "fw/api/mac.h"
28 #include "fw/api/mac-cfg.h"
29
30 /******************************************************************************
31 *
32 * module boiler plate
33 *
34 ******************************************************************************/
35
36 #if defined(__linux__)
37 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
38 MODULE_DESCRIPTION(DRV_DESCRIPTION);
39 MODULE_LICENSE("GPL");
40 #elif defined(__FreeBSD__)
41 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi based driver for FreeBSD"
42 MODULE_DESCRIPTION(DRV_DESCRIPTION);
43 MODULE_LICENSE("BSD");
44 MODULE_VERSION(if_iwlwifi, 1);
45 MODULE_DEPEND(if_iwlwifi, linuxkpi, 1, 1, 1);
46 MODULE_DEPEND(if_iwlwifi, linuxkpi_wlan, 1, 1, 1);
47 #ifdef CONFIG_IWLWIFI_DEBUGFS
48 MODULE_DEPEND(if_iwlwifi, lindebugfs, 1, 1, 1);
49 #endif
50 #endif
51
52 #ifdef CONFIG_IWLWIFI_DEBUGFS
53 static struct dentry *iwl_dbgfs_root;
54 #endif
55
56 /**
57 * struct iwl_drv - drv common data
58 * @list: list of drv structures using this opmode
59 * @fw: the iwl_fw structure
60 * @op_mode: the running op_mode
61 * @trans: transport layer
62 * @dev: for debug prints only
63 * @fw_index: firmware revision to try loading
64 * @firmware_name: composite filename of ucode file to load
65 * @request_firmware_complete: the firmware has been obtained from user space
66 * @dbgfs_drv: debugfs root directory entry
67 * @dbgfs_trans: debugfs transport directory entry
68 * @dbgfs_op_mode: debugfs op_mode directory entry
69 */
70 struct iwl_drv {
71 struct list_head list;
72 struct iwl_fw fw;
73
74 struct iwl_op_mode *op_mode;
75 struct iwl_trans *trans;
76 struct device *dev;
77
78 int fw_index; /* firmware we're trying to load */
79 char firmware_name[64]; /* name of firmware file to load */
80
81 struct completion request_firmware_complete;
82 #if defined(__FreeBSD__)
83 struct completion drv_start_complete;
84 #endif
85
86 #ifdef CONFIG_IWLWIFI_DEBUGFS
87 struct dentry *dbgfs_drv;
88 struct dentry *dbgfs_trans;
89 struct dentry *dbgfs_op_mode;
90 #endif
91 };
92
93 enum {
94 DVM_OP_MODE,
95 MVM_OP_MODE,
96 #if IS_ENABLED(CONFIG_IWLMLD)
97 MLD_OP_MODE,
98 #endif
99 };
100
101 /* Protects the table contents, i.e. the ops pointer & drv list */
102 static DEFINE_MUTEX(iwlwifi_opmode_table_mtx);
103 static struct iwlwifi_opmode_table {
104 const char *name; /* name: iwldvm, iwlmvm, etc */
105 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
106 struct list_head drv; /* list of devices using this op_mode */
107 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
108 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
109 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
110 #if IS_ENABLED(CONFIG_IWLMLD)
111 [MLD_OP_MODE] = { .name = "iwlmld", .ops = NULL },
112 #endif
113 };
114
115 #define IWL_DEFAULT_SCAN_CHANNELS 40
116
117 /*
118 * struct fw_sec: Just for the image parsing process.
119 * For the fw storage we are using struct fw_desc.
120 */
121 struct fw_sec {
122 const void *data; /* the sec data */
123 size_t size; /* section size */
124 u32 offset; /* offset of writing in the device */
125 };
126
iwl_free_fw_desc(struct iwl_drv * drv,struct fw_desc * desc)127 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
128 {
129 vfree(desc->data);
130 desc->data = NULL;
131 desc->len = 0;
132 }
133
iwl_free_fw_img(struct iwl_drv * drv,struct fw_img * img)134 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
135 {
136 int i;
137 for (i = 0; i < img->num_sec; i++)
138 iwl_free_fw_desc(drv, &img->sec[i]);
139 kfree(img->sec);
140 }
141
iwl_dealloc_ucode(struct iwl_drv * drv)142 static void iwl_dealloc_ucode(struct iwl_drv *drv)
143 {
144 int i;
145
146 kfree(drv->fw.dbg.dest_tlv);
147 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++)
148 kfree(drv->fw.dbg.conf_tlv[i]);
149 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++)
150 kfree(drv->fw.dbg.trigger_tlv[i]);
151 kfree(drv->fw.dbg.mem_tlv);
152 kfree(drv->fw.iml);
153 kfree(drv->fw.ucode_capa.cmd_versions);
154 kfree(drv->fw.phy_integration_ver);
155 kfree(drv->trans->dbg.pc_data);
156 drv->trans->dbg.pc_data = NULL;
157 kvfree(drv->fw.pnvm_data);
158 drv->fw.pnvm_data = NULL;
159 drv->fw.pnvm_size = 0;
160
161 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
162 iwl_free_fw_img(drv, drv->fw.img + i);
163
164 /* clear the data for the aborted load case */
165 memset(&drv->fw, 0, sizeof(drv->fw));
166 }
167
iwl_alloc_fw_desc(struct fw_desc * desc,struct fw_sec * sec)168 static int iwl_alloc_fw_desc(struct fw_desc *desc, struct fw_sec *sec)
169 {
170 void *data;
171
172 desc->data = NULL;
173
174 if (!sec || !sec->size)
175 return -EINVAL;
176
177 data = vmalloc(sec->size);
178 if (!data)
179 return -ENOMEM;
180
181 desc->len = sec->size;
182 desc->offset = sec->offset;
183 memcpy(data, sec->data, desc->len);
184 desc->data = data;
185
186 return 0;
187 }
188
iwl_drv_get_step(int step)189 static inline char iwl_drv_get_step(int step)
190 {
191 if (step == SILICON_Z_STEP)
192 return 'z';
193 if (step == SILICON_TC_STEP)
194 return 'a';
195 return 'a' + step;
196 }
197
iwl_drv_is_wifi7_supported(struct iwl_trans * trans)198 bool iwl_drv_is_wifi7_supported(struct iwl_trans *trans)
199 {
200 return trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ &&
201 CSR_HW_RFID_TYPE(trans->info.hw_rf_id) >= IWL_CFG_RF_TYPE_FM;
202 }
203
iwl_drv_get_fwname_pre(struct iwl_trans * trans,char * buf)204 const char *iwl_drv_get_fwname_pre(struct iwl_trans *trans, char *buf)
205 {
206 char mac_step, rf_step;
207 const char *mac, *rf, *cdb;
208
209 if (trans->cfg->fw_name_pre)
210 return trans->cfg->fw_name_pre;
211
212 mac_step = iwl_drv_get_step(trans->info.hw_rev_step);
213
214 switch (CSR_HW_REV_TYPE(trans->info.hw_rev)) {
215 case IWL_CFG_MAC_TYPE_PU:
216 mac = "9000-pu";
217 mac_step = 'b';
218 break;
219 case IWL_CFG_MAC_TYPE_TH:
220 mac = "9260-th";
221 mac_step = 'b';
222 break;
223 case IWL_CFG_MAC_TYPE_QU:
224 mac = "Qu";
225 break;
226 case IWL_CFG_MAC_TYPE_CC:
227 /* special case - no RF since it's fixed (discrete) */
228 scnprintf(buf, FW_NAME_PRE_BUFSIZE, "iwlwifi-cc-a0");
229 return buf;
230 case IWL_CFG_MAC_TYPE_QUZ:
231 mac = "QuZ";
232 /* all QuZ use A0 firmware */
233 mac_step = 'a';
234 break;
235 case IWL_CFG_MAC_TYPE_SO:
236 case IWL_CFG_MAC_TYPE_SOF:
237 mac = "so";
238 mac_step = 'a';
239 break;
240 case IWL_CFG_MAC_TYPE_TY:
241 mac = "ty";
242 mac_step = 'a';
243 break;
244 case IWL_CFG_MAC_TYPE_MA:
245 mac = "ma";
246 break;
247 case IWL_CFG_MAC_TYPE_BZ:
248 case IWL_CFG_MAC_TYPE_BZ_W:
249 mac = "bz";
250 break;
251 case IWL_CFG_MAC_TYPE_GL:
252 mac = "gl";
253 break;
254 case IWL_CFG_MAC_TYPE_SC:
255 mac = "sc";
256 break;
257 case IWL_CFG_MAC_TYPE_SC2:
258 /* Uses the same firmware as SC2 */
259 case IWL_CFG_MAC_TYPE_SC2F:
260 mac = "sc2";
261 break;
262 case IWL_CFG_MAC_TYPE_BR:
263 mac = "br";
264 break;
265 case IWL_CFG_MAC_TYPE_DR:
266 mac = "dr";
267 break;
268 default:
269 return "unknown-mac";
270 }
271
272 rf_step = iwl_drv_get_step(CSR_HW_RFID_STEP(trans->info.hw_rf_id));
273
274 switch (CSR_HW_RFID_TYPE(trans->info.hw_rf_id)) {
275 case IWL_CFG_RF_TYPE_JF1:
276 case IWL_CFG_RF_TYPE_JF2:
277 rf = "jf";
278 rf_step = 'b';
279 break;
280 case IWL_CFG_RF_TYPE_HR1:
281 case IWL_CFG_RF_TYPE_HR2:
282 rf = "hr";
283 rf_step = 'b';
284 break;
285 case IWL_CFG_RF_TYPE_GF:
286 rf = "gf";
287 rf_step = 'a';
288 break;
289 case IWL_CFG_RF_TYPE_FM:
290 rf = "fm";
291 break;
292 case IWL_CFG_RF_TYPE_WH:
293 rf = "wh";
294 break;
295 case IWL_CFG_RF_TYPE_PE:
296 rf = "pe";
297 break;
298 default:
299 return "unknown-rf";
300 }
301
302 cdb = CSR_HW_RFID_IS_CDB(trans->info.hw_rf_id) ? "4" : "";
303
304 scnprintf(buf, FW_NAME_PRE_BUFSIZE,
305 "iwlwifi-%s-%c0-%s%s-%c0",
306 mac, mac_step, rf, cdb, rf_step);
307
308 return buf;
309 }
310 IWL_EXPORT_SYMBOL(iwl_drv_get_fwname_pre);
311
312 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
313 void *context);
314
iwl_get_ucode_api_versions(struct iwl_trans * trans,unsigned int * api_min,unsigned int * api_max)315 static void iwl_get_ucode_api_versions(struct iwl_trans *trans,
316 unsigned int *api_min,
317 unsigned int *api_max)
318 {
319 const struct iwl_family_base_params *base = trans->mac_cfg->base;
320 const struct iwl_rf_cfg *cfg = trans->cfg;
321
322 /* if the MAC doesn't have range or if its range it higher than the RF's */
323 if (!base->ucode_api_max ||
324 (cfg->ucode_api_max && base->ucode_api_min > cfg->ucode_api_max)) {
325 *api_min = cfg->ucode_api_min;
326 *api_max = cfg->ucode_api_max;
327 return;
328 }
329
330 /* if the RF doesn't have range or if its range it higher than the MAC's */
331 if (!cfg->ucode_api_max ||
332 (base->ucode_api_max && cfg->ucode_api_min > base->ucode_api_max)) {
333 *api_min = base->ucode_api_min;
334 *api_max = base->ucode_api_max;
335 return;
336 }
337
338 *api_min = max(cfg->ucode_api_min, base->ucode_api_min);
339 *api_max = min(cfg->ucode_api_max, base->ucode_api_max);
340 }
341
iwl_request_firmware(struct iwl_drv * drv,bool first)342 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
343 {
344 char _fw_name_pre[FW_NAME_PRE_BUFSIZE];
345 unsigned int ucode_api_max, ucode_api_min;
346 const char *fw_name_pre;
347
348 iwl_get_ucode_api_versions(drv->trans, &ucode_api_min, &ucode_api_max);
349
350 if (drv->trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
351 (drv->trans->info.hw_rev_step != SILICON_B_STEP &&
352 drv->trans->info.hw_rev_step != SILICON_C_STEP)) {
353 IWL_ERR(drv,
354 "Only HW steps B and C are currently supported (0x%0x)\n",
355 drv->trans->info.hw_rev);
356 return -EINVAL;
357 }
358
359 if (CSR_HW_RFID_TYPE(drv->trans->info.hw_rf_id) == IWL_CFG_RF_TYPE_WH &&
360 CSR_HW_RFID_STEP(drv->trans->info.hw_rf_id) == SILICON_A_STEP) {
361 IWL_ERR(drv, "WH A step is not supported\n");
362 return -EINVAL;
363 }
364
365 fw_name_pre = iwl_drv_get_fwname_pre(drv->trans, _fw_name_pre);
366
367 if (first)
368 drv->fw_index = ucode_api_max;
369 else if (drv->fw_index == ENCODE_CORE_AS_API(100))
370 drv->fw_index = 102; /* last API-scheme number below core 100 */
371 else
372 drv->fw_index--;
373
374 if (drv->fw_index < ucode_api_min) {
375 IWL_ERR(drv, "no suitable firmware found!\n");
376
377 if (ucode_api_min == ucode_api_max) {
378 IWL_ERR(drv, "%s-" FW_API_FMT " is required\n",
379 fw_name_pre, FW_API_ARG(ucode_api_max));
380 } else {
381 IWL_ERR(drv,
382 "minimum version required: %s-" FW_API_FMT "\n",
383 fw_name_pre, FW_API_ARG(ucode_api_min));
384 IWL_ERR(drv,
385 "maximum version supported: %s-" FW_API_FMT "\n",
386 fw_name_pre, FW_API_ARG(ucode_api_max));
387 }
388
389 IWL_ERR(drv,
390 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
391 #if defined(__FreeBSD__)
392 IWL_ERR(drv, "On FreeBSD the firmware package can be installed running fwget(8).\n");
393 #endif
394 return -ENOENT;
395 }
396
397 snprintf(drv->firmware_name, sizeof(drv->firmware_name),
398 "%s-" FW_API_FMT ".ucode",
399 fw_name_pre, FW_API_ARG(drv->fw_index));
400
401 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n",
402 drv->firmware_name);
403
404 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
405 drv->trans->dev,
406 GFP_KERNEL, drv, iwl_req_fw_callback);
407 }
408
409 struct fw_img_parsing {
410 struct fw_sec *sec;
411 int sec_counter;
412 };
413
414 /*
415 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
416 */
417 struct fw_sec_parsing {
418 __le32 offset;
419 const u8 data[];
420 } __packed;
421
422 /**
423 * struct iwl_tlv_calib_data - parse the default calib data from TLV
424 *
425 * @ucode_type: the uCode to which the following default calib relates.
426 * @calib: default calibrations.
427 */
428 struct iwl_tlv_calib_data {
429 __le32 ucode_type;
430 struct iwl_tlv_calib_ctrl calib;
431 } __packed;
432
433 struct iwl_firmware_pieces {
434 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
435
436 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
437 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
438
439 /* FW debug data parsed for driver usage */
440 bool dbg_dest_tlv_init;
441 const u8 *dbg_dest_ver;
442 union {
443 const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
444 const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1;
445 };
446 const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
447 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
448 const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
449 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
450 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
451 size_t n_mem_tlv;
452 };
453
alloc_sec_data(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec)454 static void alloc_sec_data(struct iwl_firmware_pieces *pieces,
455 enum iwl_ucode_type type,
456 int sec)
457 {
458 struct fw_img_parsing *img = &pieces->img[type];
459 struct fw_sec *sec_memory;
460 int size = sec + 1;
461 size_t alloc_size = sizeof(*img->sec) * size;
462
463 if (img->sec && img->sec_counter >= size)
464 return;
465
466 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL);
467 if (!sec_memory)
468 return;
469
470 img->sec = sec_memory;
471 img->sec_counter = size;
472 }
473
set_sec_data(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,const void * data)474 static void set_sec_data(struct iwl_firmware_pieces *pieces,
475 enum iwl_ucode_type type,
476 int sec,
477 const void *data)
478 {
479 alloc_sec_data(pieces, type, sec);
480
481 pieces->img[type].sec[sec].data = data;
482 }
483
set_sec_size(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,size_t size)484 static void set_sec_size(struct iwl_firmware_pieces *pieces,
485 enum iwl_ucode_type type,
486 int sec,
487 size_t size)
488 {
489 alloc_sec_data(pieces, type, sec);
490
491 pieces->img[type].sec[sec].size = size;
492 }
493
get_sec_size(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec)494 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
495 enum iwl_ucode_type type,
496 int sec)
497 {
498 return pieces->img[type].sec[sec].size;
499 }
500
set_sec_offset(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,u32 offset)501 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
502 enum iwl_ucode_type type,
503 int sec,
504 u32 offset)
505 {
506 alloc_sec_data(pieces, type, sec);
507
508 pieces->img[type].sec[sec].offset = offset;
509 }
510
511 /*
512 * Gets uCode section from tlv.
513 */
iwl_store_ucode_sec(struct fw_img_parsing * img,const void * data,int size)514 static int iwl_store_ucode_sec(struct fw_img_parsing *img,
515 const void *data, int size)
516 {
517 struct fw_sec *sec;
518 const struct fw_sec_parsing *sec_parse;
519 size_t alloc_size;
520
521 if (WARN_ON(!img || !data))
522 return -EINVAL;
523
524 sec_parse = (const struct fw_sec_parsing *)data;
525
526 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
527 sec = krealloc(img->sec, alloc_size, GFP_KERNEL);
528 if (!sec)
529 return -ENOMEM;
530 img->sec = sec;
531
532 sec = &img->sec[img->sec_counter];
533
534 sec->offset = le32_to_cpu(sec_parse->offset);
535 sec->data = sec_parse->data;
536 sec->size = size - sizeof(sec_parse->offset);
537
538 ++img->sec_counter;
539
540 return 0;
541 }
542
iwl_set_default_calib(struct iwl_drv * drv,const u8 * data)543 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
544 {
545 const struct iwl_tlv_calib_data *def_calib =
546 (const struct iwl_tlv_calib_data *)data;
547 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
548 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
549 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
550 ucode_type);
551 return -EINVAL;
552 }
553 drv->fw.default_calib[ucode_type].flow_trigger =
554 def_calib->calib.flow_trigger;
555 drv->fw.default_calib[ucode_type].event_trigger =
556 def_calib->calib.event_trigger;
557
558 return 0;
559 }
560
iwl_set_ucode_api_flags(struct iwl_drv * drv,const u8 * data,struct iwl_ucode_capabilities * capa)561 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
562 struct iwl_ucode_capabilities *capa)
563 {
564 const struct iwl_ucode_api *ucode_api = (const void *)data;
565 u32 api_index = le32_to_cpu(ucode_api->api_index);
566 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
567 int i;
568
569 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
570 IWL_WARN(drv,
571 "api flags index %d larger than supported by driver\n",
572 api_index);
573 return;
574 }
575
576 for (i = 0; i < 32; i++) {
577 if (api_flags & BIT(i))
578 __set_bit(i + 32 * api_index, capa->_api);
579 }
580 }
581
iwl_set_ucode_capabilities(struct iwl_drv * drv,const u8 * data,struct iwl_ucode_capabilities * capa)582 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
583 struct iwl_ucode_capabilities *capa)
584 {
585 const struct iwl_ucode_capa *ucode_capa = (const void *)data;
586 u32 api_index = le32_to_cpu(ucode_capa->api_index);
587 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
588 int i;
589
590 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
591 IWL_WARN(drv,
592 "capa flags index %d larger than supported by driver\n",
593 api_index);
594 return;
595 }
596
597 for (i = 0; i < 32; i++) {
598 if (api_flags & BIT(i))
599 __set_bit(i + 32 * api_index, capa->_capa);
600 }
601 }
602
iwl_reduced_fw_name(struct iwl_drv * drv)603 static const char *iwl_reduced_fw_name(struct iwl_drv *drv)
604 {
605 const char *name = drv->firmware_name;
606
607 if (strncmp(name, "iwlwifi-", 8) == 0)
608 name += 8;
609
610 return name;
611 }
612
iwl_parse_v1_v2_firmware(struct iwl_drv * drv,const struct firmware * ucode_raw,struct iwl_firmware_pieces * pieces)613 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
614 const struct firmware *ucode_raw,
615 struct iwl_firmware_pieces *pieces)
616 {
617 const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data;
618 u32 api_ver, hdr_size, build;
619 char buildstr[25];
620 const u8 *src;
621
622 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
623 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
624
625 switch (api_ver) {
626 default:
627 hdr_size = 28;
628 if (ucode_raw->size < hdr_size) {
629 IWL_ERR(drv, "File size too small!\n");
630 return -EINVAL;
631 }
632 build = le32_to_cpu(ucode->u.v2.build);
633 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
634 le32_to_cpu(ucode->u.v2.inst_size));
635 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
636 le32_to_cpu(ucode->u.v2.data_size));
637 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
638 le32_to_cpu(ucode->u.v2.init_size));
639 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
640 le32_to_cpu(ucode->u.v2.init_data_size));
641 src = ucode->u.v2.data;
642 break;
643 case 0:
644 case 1:
645 case 2:
646 hdr_size = 24;
647 if (ucode_raw->size < hdr_size) {
648 IWL_ERR(drv, "File size too small!\n");
649 return -EINVAL;
650 }
651 build = 0;
652 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
653 le32_to_cpu(ucode->u.v1.inst_size));
654 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
655 le32_to_cpu(ucode->u.v1.data_size));
656 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
657 le32_to_cpu(ucode->u.v1.init_size));
658 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
659 le32_to_cpu(ucode->u.v1.init_data_size));
660 src = ucode->u.v1.data;
661 break;
662 }
663
664 if (build)
665 sprintf(buildstr, " build %u", build);
666 else
667 buildstr[0] = '\0';
668
669 snprintf(drv->fw.fw_version,
670 sizeof(drv->fw.fw_version),
671 "%u.%u.%u.%u%s %s",
672 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
673 IWL_UCODE_MINOR(drv->fw.ucode_ver),
674 IWL_UCODE_API(drv->fw.ucode_ver),
675 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
676 buildstr, iwl_reduced_fw_name(drv));
677
678 /* Verify size of file vs. image size info in file's header */
679
680 if (ucode_raw->size != hdr_size +
681 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
682 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
683 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
684 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
685
686 IWL_ERR(drv,
687 "uCode file size %d does not match expected size\n",
688 (int)ucode_raw->size);
689 return -EINVAL;
690 }
691
692
693 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
694 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
695 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
696 IWLAGN_RTC_INST_LOWER_BOUND);
697 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
698 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
699 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
700 IWLAGN_RTC_DATA_LOWER_BOUND);
701 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
702 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
703 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
704 IWLAGN_RTC_INST_LOWER_BOUND);
705 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
706 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
707 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
708 IWLAGN_RTC_DATA_LOWER_BOUND);
709 return 0;
710 }
711
iwl_drv_set_dump_exclude(struct iwl_drv * drv,enum iwl_ucode_tlv_type tlv_type,const void * tlv_data,u32 tlv_len)712 static void iwl_drv_set_dump_exclude(struct iwl_drv *drv,
713 enum iwl_ucode_tlv_type tlv_type,
714 const void *tlv_data, u32 tlv_len)
715 {
716 const struct iwl_fw_dump_exclude *fw = tlv_data;
717 struct iwl_dump_exclude *excl;
718
719 if (tlv_len < sizeof(*fw))
720 return;
721
722 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) {
723 excl = &drv->fw.dump_excl[0];
724
725 /* second time we find this, it's for WoWLAN */
726 if (excl->addr)
727 excl = &drv->fw.dump_excl_wowlan[0];
728 } else if (fw_has_capa(&drv->fw.ucode_capa,
729 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) {
730 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */
731 excl = &drv->fw.dump_excl[0];
732 } else {
733 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */
734 excl = &drv->fw.dump_excl_wowlan[0];
735 }
736
737 if (excl->addr)
738 excl++;
739
740 if (excl->addr) {
741 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n");
742 return;
743 }
744
745 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL;
746 excl->size = le32_to_cpu(fw->size);
747 }
748
iwl_parse_dbg_tlv_assert_tables(struct iwl_drv * drv,const struct iwl_ucode_tlv * tlv)749 static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv,
750 const struct iwl_ucode_tlv *tlv)
751 {
752 const struct iwl_fw_ini_region_tlv *region;
753 u32 length = le32_to_cpu(tlv->length);
754 u32 addr;
755
756 if (length < offsetof(typeof(*region), special_mem) +
757 sizeof(region->special_mem))
758 return;
759
760 region = (const void *)tlv->data;
761 addr = le32_to_cpu(region->special_mem.base_addr);
762 addr += le32_to_cpu(region->special_mem.offset);
763 addr &= ~FW_ADDR_CACHE_CONTROL;
764
765 if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY)
766 return;
767
768 switch (region->sub_type) {
769 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE:
770 drv->trans->dbg.umac_error_event_table = addr;
771 drv->trans->dbg.error_event_table_tlv_status |=
772 IWL_ERROR_EVENT_TABLE_UMAC;
773 break;
774 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE:
775 drv->trans->dbg.lmac_error_event_table[0] = addr;
776 drv->trans->dbg.error_event_table_tlv_status |=
777 IWL_ERROR_EVENT_TABLE_LMAC1;
778 break;
779 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE:
780 drv->trans->dbg.lmac_error_event_table[1] = addr;
781 drv->trans->dbg.error_event_table_tlv_status |=
782 IWL_ERROR_EVENT_TABLE_LMAC2;
783 break;
784 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE:
785 drv->trans->dbg.tcm_error_event_table[0] = addr;
786 drv->trans->dbg.error_event_table_tlv_status |=
787 IWL_ERROR_EVENT_TABLE_TCM1;
788 break;
789 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE:
790 drv->trans->dbg.tcm_error_event_table[1] = addr;
791 drv->trans->dbg.error_event_table_tlv_status |=
792 IWL_ERROR_EVENT_TABLE_TCM2;
793 break;
794 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE:
795 drv->trans->dbg.rcm_error_event_table[0] = addr;
796 drv->trans->dbg.error_event_table_tlv_status |=
797 IWL_ERROR_EVENT_TABLE_RCM1;
798 break;
799 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE:
800 drv->trans->dbg.rcm_error_event_table[1] = addr;
801 drv->trans->dbg.error_event_table_tlv_status |=
802 IWL_ERROR_EVENT_TABLE_RCM2;
803 break;
804 default:
805 break;
806 }
807 }
808
iwl_parse_tlv_firmware(struct iwl_drv * drv,const struct firmware * ucode_raw,struct iwl_firmware_pieces * pieces,struct iwl_ucode_capabilities * capa,bool * usniffer_images)809 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
810 const struct firmware *ucode_raw,
811 struct iwl_firmware_pieces *pieces,
812 struct iwl_ucode_capabilities *capa,
813 bool *usniffer_images)
814 {
815 const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data;
816 const struct iwl_ucode_tlv *tlv;
817 size_t len = ucode_raw->size;
818 const u8 *data;
819 u32 tlv_len;
820 u32 usniffer_img;
821 enum iwl_ucode_tlv_type tlv_type;
822 const u8 *tlv_data;
823 char buildstr[25];
824 u32 build, paging_mem_size;
825 int num_of_cpus;
826 bool usniffer_req = false;
827
828 if (len < sizeof(*ucode)) {
829 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
830 return -EINVAL;
831 }
832
833 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
834 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
835 le32_to_cpu(ucode->magic));
836 return -EINVAL;
837 }
838
839 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
840 memcpy(drv->fw.human_readable, ucode->human_readable,
841 sizeof(drv->fw.human_readable));
842 build = le32_to_cpu(ucode->build);
843
844 if (build)
845 sprintf(buildstr, " build %u", build);
846 else
847 buildstr[0] = '\0';
848
849 snprintf(drv->fw.fw_version,
850 sizeof(drv->fw.fw_version),
851 "%u.%u.%u.%u%s %s",
852 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
853 IWL_UCODE_MINOR(drv->fw.ucode_ver),
854 IWL_UCODE_API(drv->fw.ucode_ver),
855 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
856 buildstr, iwl_reduced_fw_name(drv));
857
858 data = ucode->data;
859
860 len -= sizeof(*ucode);
861
862 while (len >= sizeof(*tlv)) {
863 len -= sizeof(*tlv);
864
865 tlv = (const void *)data;
866 tlv_len = le32_to_cpu(tlv->length);
867 tlv_type = le32_to_cpu(tlv->type);
868 tlv_data = tlv->data;
869
870 if (len < tlv_len) {
871 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
872 len, tlv_len);
873 return -EINVAL;
874 }
875 len -= ALIGN(tlv_len, 4);
876 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
877
878 switch (tlv_type) {
879 case IWL_UCODE_TLV_INST:
880 set_sec_data(pieces, IWL_UCODE_REGULAR,
881 IWL_UCODE_SECTION_INST, tlv_data);
882 set_sec_size(pieces, IWL_UCODE_REGULAR,
883 IWL_UCODE_SECTION_INST, tlv_len);
884 set_sec_offset(pieces, IWL_UCODE_REGULAR,
885 IWL_UCODE_SECTION_INST,
886 IWLAGN_RTC_INST_LOWER_BOUND);
887 break;
888 case IWL_UCODE_TLV_DATA:
889 set_sec_data(pieces, IWL_UCODE_REGULAR,
890 IWL_UCODE_SECTION_DATA, tlv_data);
891 set_sec_size(pieces, IWL_UCODE_REGULAR,
892 IWL_UCODE_SECTION_DATA, tlv_len);
893 set_sec_offset(pieces, IWL_UCODE_REGULAR,
894 IWL_UCODE_SECTION_DATA,
895 IWLAGN_RTC_DATA_LOWER_BOUND);
896 break;
897 case IWL_UCODE_TLV_INIT:
898 set_sec_data(pieces, IWL_UCODE_INIT,
899 IWL_UCODE_SECTION_INST, tlv_data);
900 set_sec_size(pieces, IWL_UCODE_INIT,
901 IWL_UCODE_SECTION_INST, tlv_len);
902 set_sec_offset(pieces, IWL_UCODE_INIT,
903 IWL_UCODE_SECTION_INST,
904 IWLAGN_RTC_INST_LOWER_BOUND);
905 break;
906 case IWL_UCODE_TLV_INIT_DATA:
907 set_sec_data(pieces, IWL_UCODE_INIT,
908 IWL_UCODE_SECTION_DATA, tlv_data);
909 set_sec_size(pieces, IWL_UCODE_INIT,
910 IWL_UCODE_SECTION_DATA, tlv_len);
911 set_sec_offset(pieces, IWL_UCODE_INIT,
912 IWL_UCODE_SECTION_DATA,
913 IWLAGN_RTC_DATA_LOWER_BOUND);
914 break;
915 case IWL_UCODE_TLV_BOOT:
916 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
917 break;
918 case IWL_UCODE_TLV_PROBE_MAX_LEN:
919 if (tlv_len != sizeof(u32))
920 goto invalid_tlv_len;
921 capa->max_probe_length =
922 le32_to_cpup((const __le32 *)tlv_data);
923 break;
924 case IWL_UCODE_TLV_PAN:
925 if (tlv_len)
926 goto invalid_tlv_len;
927 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
928 break;
929 case IWL_UCODE_TLV_FLAGS:
930 /* must be at least one u32 */
931 if (tlv_len < sizeof(u32))
932 goto invalid_tlv_len;
933 /* and a proper number of u32s */
934 if (tlv_len % sizeof(u32))
935 goto invalid_tlv_len;
936 /*
937 * This driver only reads the first u32 as
938 * right now no more features are defined,
939 * if that changes then either the driver
940 * will not work with the new firmware, or
941 * it'll not take advantage of new features.
942 */
943 capa->flags = le32_to_cpup((const __le32 *)tlv_data);
944 break;
945 case IWL_UCODE_TLV_API_CHANGES_SET:
946 if (tlv_len != sizeof(struct iwl_ucode_api))
947 goto invalid_tlv_len;
948 iwl_set_ucode_api_flags(drv, tlv_data, capa);
949 break;
950 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
951 if (tlv_len != sizeof(struct iwl_ucode_capa))
952 goto invalid_tlv_len;
953 iwl_set_ucode_capabilities(drv, tlv_data, capa);
954 break;
955 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
956 if (tlv_len != sizeof(u32))
957 goto invalid_tlv_len;
958 pieces->init_evtlog_ptr =
959 le32_to_cpup((const __le32 *)tlv_data);
960 break;
961 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
962 if (tlv_len != sizeof(u32))
963 goto invalid_tlv_len;
964 pieces->init_evtlog_size =
965 le32_to_cpup((const __le32 *)tlv_data);
966 break;
967 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
968 if (tlv_len != sizeof(u32))
969 goto invalid_tlv_len;
970 pieces->init_errlog_ptr =
971 le32_to_cpup((const __le32 *)tlv_data);
972 break;
973 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
974 if (tlv_len != sizeof(u32))
975 goto invalid_tlv_len;
976 pieces->inst_evtlog_ptr =
977 le32_to_cpup((const __le32 *)tlv_data);
978 break;
979 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
980 if (tlv_len != sizeof(u32))
981 goto invalid_tlv_len;
982 pieces->inst_evtlog_size =
983 le32_to_cpup((const __le32 *)tlv_data);
984 break;
985 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
986 if (tlv_len != sizeof(u32))
987 goto invalid_tlv_len;
988 pieces->inst_errlog_ptr =
989 le32_to_cpup((const __le32 *)tlv_data);
990 break;
991 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
992 if (tlv_len)
993 goto invalid_tlv_len;
994 drv->fw.enhance_sensitivity_table = true;
995 break;
996 case IWL_UCODE_TLV_WOWLAN_INST:
997 set_sec_data(pieces, IWL_UCODE_WOWLAN,
998 IWL_UCODE_SECTION_INST, tlv_data);
999 set_sec_size(pieces, IWL_UCODE_WOWLAN,
1000 IWL_UCODE_SECTION_INST, tlv_len);
1001 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
1002 IWL_UCODE_SECTION_INST,
1003 IWLAGN_RTC_INST_LOWER_BOUND);
1004 break;
1005 case IWL_UCODE_TLV_WOWLAN_DATA:
1006 set_sec_data(pieces, IWL_UCODE_WOWLAN,
1007 IWL_UCODE_SECTION_DATA, tlv_data);
1008 set_sec_size(pieces, IWL_UCODE_WOWLAN,
1009 IWL_UCODE_SECTION_DATA, tlv_len);
1010 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
1011 IWL_UCODE_SECTION_DATA,
1012 IWLAGN_RTC_DATA_LOWER_BOUND);
1013 break;
1014 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
1015 if (tlv_len != sizeof(u32))
1016 goto invalid_tlv_len;
1017 capa->standard_phy_calibration_size =
1018 le32_to_cpup((const __le32 *)tlv_data);
1019 break;
1020 case IWL_UCODE_TLV_SEC_RT:
1021 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR],
1022 tlv_data, tlv_len);
1023 drv->fw.type = IWL_FW_MVM;
1024 break;
1025 case IWL_UCODE_TLV_SEC_INIT:
1026 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT],
1027 tlv_data, tlv_len);
1028 drv->fw.type = IWL_FW_MVM;
1029 break;
1030 case IWL_UCODE_TLV_SEC_WOWLAN:
1031 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN],
1032 tlv_data, tlv_len);
1033 drv->fw.type = IWL_FW_MVM;
1034 break;
1035 case IWL_UCODE_TLV_DEF_CALIB:
1036 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
1037 goto invalid_tlv_len;
1038 if (iwl_set_default_calib(drv, tlv_data))
1039 goto tlv_error;
1040 break;
1041 case IWL_UCODE_TLV_PHY_SKU:
1042 if (tlv_len != sizeof(u32))
1043 goto invalid_tlv_len;
1044 drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data);
1045 drv->fw.valid_tx_ant = (drv->fw.phy_config &
1046 FW_PHY_CFG_TX_CHAIN) >>
1047 FW_PHY_CFG_TX_CHAIN_POS;
1048 drv->fw.valid_rx_ant = (drv->fw.phy_config &
1049 FW_PHY_CFG_RX_CHAIN) >>
1050 FW_PHY_CFG_RX_CHAIN_POS;
1051 break;
1052 case IWL_UCODE_TLV_SECURE_SEC_RT:
1053 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR],
1054 tlv_data, tlv_len);
1055 drv->fw.type = IWL_FW_MVM;
1056 break;
1057 case IWL_UCODE_TLV_SECURE_SEC_INIT:
1058 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT],
1059 tlv_data, tlv_len);
1060 drv->fw.type = IWL_FW_MVM;
1061 break;
1062 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
1063 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN],
1064 tlv_data, tlv_len);
1065 drv->fw.type = IWL_FW_MVM;
1066 break;
1067 case IWL_UCODE_TLV_NUM_OF_CPU:
1068 if (tlv_len != sizeof(u32))
1069 goto invalid_tlv_len;
1070 num_of_cpus =
1071 le32_to_cpup((const __le32 *)tlv_data);
1072
1073 if (num_of_cpus == 2) {
1074 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
1075 true;
1076 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
1077 true;
1078 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
1079 true;
1080 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
1081 IWL_ERR(drv, "Driver support up to 2 CPUs\n");
1082 return -EINVAL;
1083 }
1084 break;
1085 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
1086 if (tlv_len != sizeof(u32))
1087 goto invalid_tlv_len;
1088 capa->n_scan_channels =
1089 le32_to_cpup((const __le32 *)tlv_data);
1090 break;
1091 case IWL_UCODE_TLV_FW_VERSION: {
1092 const __le32 *ptr = (const void *)tlv_data;
1093 u32 major, minor;
1094 u8 local_comp;
1095
1096 if (tlv_len != sizeof(u32) * 3)
1097 goto invalid_tlv_len;
1098
1099 major = le32_to_cpup(ptr++);
1100 minor = le32_to_cpup(ptr++);
1101 local_comp = le32_to_cpup(ptr);
1102
1103 snprintf(drv->fw.fw_version,
1104 sizeof(drv->fw.fw_version),
1105 "%u.%08x.%u %s", major, minor,
1106 local_comp, iwl_reduced_fw_name(drv));
1107 break;
1108 }
1109 case IWL_UCODE_TLV_FW_DBG_DEST: {
1110 const struct iwl_fw_dbg_dest_tlv *dest = NULL;
1111 const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL;
1112 u8 mon_mode;
1113
1114 pieces->dbg_dest_ver = (const u8 *)tlv_data;
1115 if (*pieces->dbg_dest_ver == 1) {
1116 dest = (const void *)tlv_data;
1117 } else if (*pieces->dbg_dest_ver == 0) {
1118 dest_v1 = (const void *)tlv_data;
1119 } else {
1120 IWL_ERR(drv,
1121 "The version is %d, and it is invalid\n",
1122 *pieces->dbg_dest_ver);
1123 break;
1124 }
1125
1126 if (pieces->dbg_dest_tlv_init) {
1127 IWL_ERR(drv,
1128 "dbg destination ignored, already exists\n");
1129 break;
1130 }
1131
1132 pieces->dbg_dest_tlv_init = true;
1133
1134 if (dest_v1) {
1135 pieces->dbg_dest_tlv_v1 = dest_v1;
1136 mon_mode = dest_v1->monitor_mode;
1137 } else {
1138 pieces->dbg_dest_tlv = dest;
1139 mon_mode = dest->monitor_mode;
1140 }
1141
1142 IWL_INFO(drv, "Found debug destination: %s\n",
1143 get_fw_dbg_mode_string(mon_mode));
1144
1145 drv->fw.dbg.n_dest_reg = (dest_v1) ?
1146 tlv_len -
1147 offsetof(struct iwl_fw_dbg_dest_tlv_v1,
1148 reg_ops) :
1149 tlv_len -
1150 offsetof(struct iwl_fw_dbg_dest_tlv,
1151 reg_ops);
1152
1153 drv->fw.dbg.n_dest_reg /=
1154 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]);
1155
1156 break;
1157 }
1158 case IWL_UCODE_TLV_FW_DBG_CONF: {
1159 const struct iwl_fw_dbg_conf_tlv *conf =
1160 (const void *)tlv_data;
1161
1162 if (!pieces->dbg_dest_tlv_init) {
1163 IWL_ERR(drv,
1164 "Ignore dbg config %d - no destination configured\n",
1165 conf->id);
1166 break;
1167 }
1168
1169 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) {
1170 IWL_ERR(drv,
1171 "Skip unknown configuration: %d\n",
1172 conf->id);
1173 break;
1174 }
1175
1176 if (pieces->dbg_conf_tlv[conf->id]) {
1177 IWL_ERR(drv,
1178 "Ignore duplicate dbg config %d\n",
1179 conf->id);
1180 break;
1181 }
1182
1183 if (conf->usniffer)
1184 usniffer_req = true;
1185
1186 IWL_INFO(drv, "Found debug configuration: %d\n",
1187 conf->id);
1188
1189 pieces->dbg_conf_tlv[conf->id] = conf;
1190 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
1191 break;
1192 }
1193 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
1194 const struct iwl_fw_dbg_trigger_tlv *trigger =
1195 (const void *)tlv_data;
1196 u32 trigger_id = le32_to_cpu(trigger->id);
1197
1198 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) {
1199 IWL_ERR(drv,
1200 "Skip unknown trigger: %u\n",
1201 trigger->id);
1202 break;
1203 }
1204
1205 if (pieces->dbg_trigger_tlv[trigger_id]) {
1206 IWL_ERR(drv,
1207 "Ignore duplicate dbg trigger %u\n",
1208 trigger->id);
1209 break;
1210 }
1211
1212 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
1213
1214 pieces->dbg_trigger_tlv[trigger_id] = trigger;
1215 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
1216 break;
1217 }
1218 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: {
1219 if (tlv_len != sizeof(u32)) {
1220 IWL_ERR(drv,
1221 "dbg lst mask size incorrect, skip\n");
1222 break;
1223 }
1224
1225 drv->fw.dbg.dump_mask =
1226 le32_to_cpup((const __le32 *)tlv_data);
1227 break;
1228 }
1229 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
1230 *usniffer_images = true;
1231 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR_USNIFFER],
1232 tlv_data, tlv_len);
1233 break;
1234 case IWL_UCODE_TLV_PAGING:
1235 if (tlv_len != sizeof(u32))
1236 goto invalid_tlv_len;
1237 paging_mem_size = le32_to_cpup((const __le32 *)tlv_data);
1238
1239 IWL_DEBUG_FW(drv,
1240 "Paging: paging enabled (size = %u bytes)\n",
1241 paging_mem_size);
1242
1243 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
1244 IWL_ERR(drv,
1245 "Paging: driver supports up to %lu bytes for paging image\n",
1246 MAX_PAGING_IMAGE_SIZE);
1247 return -EINVAL;
1248 }
1249
1250 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1251 IWL_ERR(drv,
1252 "Paging: image isn't multiple %lu\n",
1253 FW_PAGING_SIZE);
1254 return -EINVAL;
1255 }
1256
1257 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1258 paging_mem_size;
1259 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1260 drv->fw.img[usniffer_img].paging_mem_size =
1261 paging_mem_size;
1262 break;
1263 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1264 /* ignored */
1265 break;
1266 case IWL_UCODE_TLV_FW_MEM_SEG: {
1267 const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1268 (const void *)tlv_data;
1269 size_t size;
1270 struct iwl_fw_dbg_mem_seg_tlv *n;
1271
1272 if (tlv_len != (sizeof(*dbg_mem)))
1273 goto invalid_tlv_len;
1274
1275 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1276 dbg_mem->data_type);
1277
1278 size = sizeof(*pieces->dbg_mem_tlv) *
1279 (pieces->n_mem_tlv + 1);
1280 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);
1281 if (!n)
1282 return -ENOMEM;
1283 pieces->dbg_mem_tlv = n;
1284 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem;
1285 pieces->n_mem_tlv++;
1286 break;
1287 }
1288 case IWL_UCODE_TLV_IML: {
1289 drv->fw.iml_len = tlv_len;
1290 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1291 if (!drv->fw.iml)
1292 return -ENOMEM;
1293 break;
1294 }
1295 case IWL_UCODE_TLV_FW_RECOVERY_INFO: {
1296 const struct {
1297 __le32 buf_addr;
1298 __le32 buf_size;
1299 } *recov_info = (const void *)tlv_data;
1300
1301 if (tlv_len != sizeof(*recov_info))
1302 goto invalid_tlv_len;
1303 capa->error_log_addr =
1304 le32_to_cpu(recov_info->buf_addr);
1305 capa->error_log_size =
1306 le32_to_cpu(recov_info->buf_size);
1307 }
1308 break;
1309 case IWL_UCODE_TLV_FW_FSEQ_VERSION: {
1310 const struct {
1311 u8 version[32];
1312 u8 sha1[20];
1313 } *fseq_ver = (const void *)tlv_data;
1314
1315 if (tlv_len != sizeof(*fseq_ver))
1316 goto invalid_tlv_len;
1317 IWL_DEBUG_INFO(drv, "TLV_FW_FSEQ_VERSION: %.32s\n",
1318 fseq_ver->version);
1319 }
1320 break;
1321 case IWL_UCODE_TLV_FW_NUM_STATIONS:
1322 if (tlv_len != sizeof(u32))
1323 goto invalid_tlv_len;
1324 if (le32_to_cpup((const __le32 *)tlv_data) >
1325 IWL_STATION_COUNT_MAX) {
1326 IWL_ERR(drv,
1327 "%d is an invalid number of station\n",
1328 le32_to_cpup((const __le32 *)tlv_data));
1329 goto tlv_error;
1330 }
1331 capa->num_stations =
1332 le32_to_cpup((const __le32 *)tlv_data);
1333 break;
1334 case IWL_UCODE_TLV_FW_NUM_LINKS:
1335 if (tlv_len != sizeof(u32))
1336 goto invalid_tlv_len;
1337 if (le32_to_cpup((const __le32 *)tlv_data) >
1338 IWL_FW_MAX_LINK_ID + 1) {
1339 IWL_ERR(drv,
1340 "%d is an invalid number of links\n",
1341 le32_to_cpup((const __le32 *)tlv_data));
1342 goto tlv_error;
1343 }
1344 capa->num_links =
1345 le32_to_cpup((const __le32 *)tlv_data);
1346 break;
1347 case IWL_UCODE_TLV_FW_NUM_BEACONS:
1348 if (tlv_len != sizeof(u32))
1349 goto invalid_tlv_len;
1350 capa->num_beacons =
1351 le32_to_cpup((const __le32 *)tlv_data);
1352 break;
1353 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: {
1354 const struct iwl_umac_debug_addrs *dbg_ptrs =
1355 (const void *)tlv_data;
1356
1357 if (tlv_len != sizeof(*dbg_ptrs))
1358 goto invalid_tlv_len;
1359 if (drv->trans->mac_cfg->device_family <
1360 IWL_DEVICE_FAMILY_22000)
1361 break;
1362 drv->trans->dbg.umac_error_event_table =
1363 le32_to_cpu(dbg_ptrs->error_info_addr) &
1364 ~FW_ADDR_CACHE_CONTROL;
1365 drv->trans->dbg.error_event_table_tlv_status |=
1366 IWL_ERROR_EVENT_TABLE_UMAC;
1367 break;
1368 }
1369 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: {
1370 const struct iwl_lmac_debug_addrs *dbg_ptrs =
1371 (const void *)tlv_data;
1372
1373 if (tlv_len != sizeof(*dbg_ptrs))
1374 goto invalid_tlv_len;
1375 if (drv->trans->mac_cfg->device_family <
1376 IWL_DEVICE_FAMILY_22000)
1377 break;
1378 drv->trans->dbg.lmac_error_event_table[0] =
1379 le32_to_cpu(dbg_ptrs->error_event_table_ptr) &
1380 ~FW_ADDR_CACHE_CONTROL;
1381 drv->trans->dbg.error_event_table_tlv_status |=
1382 IWL_ERROR_EVENT_TABLE_LMAC1;
1383 break;
1384 }
1385 case IWL_UCODE_TLV_TYPE_REGIONS:
1386 iwl_parse_dbg_tlv_assert_tables(drv, tlv);
1387 fallthrough;
1388 case IWL_UCODE_TLV_TYPE_DEBUG_INFO:
1389 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:
1390 case IWL_UCODE_TLV_TYPE_HCMD:
1391 case IWL_UCODE_TLV_TYPE_TRIGGERS:
1392 case IWL_UCODE_TLV_TYPE_CONF_SET:
1393 if (iwlwifi_mod_params.enable_ini)
1394 iwl_dbg_tlv_alloc(drv->trans, tlv, false);
1395 break;
1396 case IWL_UCODE_TLV_CMD_VERSIONS:
1397 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) {
1398 IWL_ERR(drv,
1399 "Invalid length for command versions: %u\n",
1400 tlv_len);
1401 tlv_len /= sizeof(struct iwl_fw_cmd_version);
1402 tlv_len *= sizeof(struct iwl_fw_cmd_version);
1403 }
1404 if (WARN_ON(capa->cmd_versions))
1405 return -EINVAL;
1406 capa->cmd_versions = kmemdup(tlv_data, tlv_len,
1407 GFP_KERNEL);
1408 if (!capa->cmd_versions)
1409 return -ENOMEM;
1410 capa->n_cmd_versions =
1411 tlv_len / sizeof(struct iwl_fw_cmd_version);
1412 break;
1413 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION:
1414 if (drv->fw.phy_integration_ver) {
1415 IWL_ERR(drv,
1416 "phy integration str ignored, already exists\n");
1417 break;
1418 }
1419
1420 drv->fw.phy_integration_ver =
1421 kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1422 if (!drv->fw.phy_integration_ver)
1423 return -ENOMEM;
1424 drv->fw.phy_integration_ver_len = tlv_len;
1425 break;
1426 case IWL_UCODE_TLV_SEC_TABLE_ADDR:
1427 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR:
1428 iwl_drv_set_dump_exclude(drv, tlv_type,
1429 tlv_data, tlv_len);
1430 break;
1431 case IWL_UCODE_TLV_CURRENT_PC:
1432 if (tlv_len < sizeof(struct iwl_pc_data))
1433 goto invalid_tlv_len;
1434 drv->trans->dbg.pc_data =
1435 kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1436 if (!drv->trans->dbg.pc_data)
1437 return -ENOMEM;
1438 drv->trans->dbg.num_pc =
1439 tlv_len / sizeof(struct iwl_pc_data);
1440 break;
1441 case IWL_UCODE_TLV_PNVM_DATA:
1442 if (drv->fw.pnvm_data)
1443 break;
1444 drv->fw.pnvm_data =
1445 kvmemdup(tlv_data, tlv_len, GFP_KERNEL);
1446 if (!drv->fw.pnvm_data)
1447 return -ENOMEM;
1448 drv->fw.pnvm_size = tlv_len;
1449 break;
1450 default:
1451 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1452 break;
1453 }
1454 }
1455
1456 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1457 usniffer_req && !*usniffer_images) {
1458 IWL_ERR(drv,
1459 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1460 return -EINVAL;
1461 }
1462
1463 if (len) {
1464 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1465 #if defined(__linux__)
1466 iwl_print_hex_dump(drv, IWL_DL_FW, data, len);
1467 #elif defined(__FreeBSD__)
1468 #ifdef CONFIG_IWLWIFI_DEBUGFS
1469 iwl_print_hex_dump(drv, IWL_DL_FW, "TLV ", data, len);
1470 #endif
1471 #endif
1472 return -EINVAL;
1473 }
1474
1475 return 0;
1476
1477 invalid_tlv_len:
1478 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1479 tlv_error:
1480 #if defined(__linux__)
1481 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1482 #elif defined(__FreeBSD__)
1483 #ifdef CONFIG_IWLWIFI_DEBUGFS
1484 iwl_print_hex_dump(drv, IWL_DL_FW, "TLV ", tlv_data, tlv_len);
1485 #endif
1486 #endif
1487
1488 return -EINVAL;
1489 }
1490
iwl_alloc_ucode_mem(struct fw_img * out,struct fw_img_parsing * img)1491 static int iwl_alloc_ucode_mem(struct fw_img *out, struct fw_img_parsing *img)
1492 {
1493 struct fw_desc *sec;
1494
1495 sec = kcalloc(img->sec_counter, sizeof(*sec), GFP_KERNEL);
1496 if (!sec)
1497 return -ENOMEM;
1498
1499 out->sec = sec;
1500 out->num_sec = img->sec_counter;
1501
1502 for (int i = 0; i < out->num_sec; i++)
1503 if (iwl_alloc_fw_desc(&sec[i], &img->sec[i]))
1504 return -ENOMEM;
1505
1506 return 0;
1507 }
1508
iwl_alloc_ucode(struct iwl_drv * drv,struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type)1509 static int iwl_alloc_ucode(struct iwl_drv *drv,
1510 struct iwl_firmware_pieces *pieces,
1511 enum iwl_ucode_type type)
1512 {
1513 return iwl_alloc_ucode_mem(&drv->fw.img[type], &pieces->img[type]);
1514 }
1515
validate_sec_sizes(struct iwl_drv * drv,struct iwl_firmware_pieces * pieces,const struct iwl_rf_cfg * cfg)1516 static int validate_sec_sizes(struct iwl_drv *drv,
1517 struct iwl_firmware_pieces *pieces,
1518 const struct iwl_rf_cfg *cfg)
1519 {
1520 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n",
1521 get_sec_size(pieces, IWL_UCODE_REGULAR,
1522 IWL_UCODE_SECTION_INST));
1523 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n",
1524 get_sec_size(pieces, IWL_UCODE_REGULAR,
1525 IWL_UCODE_SECTION_DATA));
1526 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n",
1527 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1528 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n",
1529 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1530
1531 /* Verify that uCode images will fit in card's SRAM. */
1532 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1533 cfg->max_inst_size) {
1534 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n",
1535 get_sec_size(pieces, IWL_UCODE_REGULAR,
1536 IWL_UCODE_SECTION_INST));
1537 return -1;
1538 }
1539
1540 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1541 cfg->max_data_size) {
1542 IWL_ERR(drv, "uCode data len %zd too large to fit in\n",
1543 get_sec_size(pieces, IWL_UCODE_REGULAR,
1544 IWL_UCODE_SECTION_DATA));
1545 return -1;
1546 }
1547
1548 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1549 cfg->max_inst_size) {
1550 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n",
1551 get_sec_size(pieces, IWL_UCODE_INIT,
1552 IWL_UCODE_SECTION_INST));
1553 return -1;
1554 }
1555
1556 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1557 cfg->max_data_size) {
1558 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n",
1559 get_sec_size(pieces, IWL_UCODE_REGULAR,
1560 IWL_UCODE_SECTION_DATA));
1561 return -1;
1562 }
1563 return 0;
1564 }
1565
1566 static struct iwl_op_mode *
_iwl_op_mode_start(struct iwl_drv * drv,struct iwlwifi_opmode_table * op)1567 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1568 {
1569 const struct iwl_op_mode_ops *ops = op->ops;
1570 struct dentry *dbgfs_dir = NULL;
1571 struct iwl_op_mode *op_mode = NULL;
1572 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY;
1573
1574 /* also protects start/stop from racing against each other */
1575 lockdep_assert_held(&iwlwifi_opmode_table_mtx);
1576
1577 for (retry = 0; retry <= max_retry; retry++) {
1578
1579 #ifdef CONFIG_IWLWIFI_DEBUGFS
1580 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1581 drv->dbgfs_drv);
1582 dbgfs_dir = drv->dbgfs_op_mode;
1583 #endif
1584
1585 op_mode = ops->start(drv->trans, drv->trans->cfg,
1586 &drv->fw, dbgfs_dir);
1587
1588 if (!IS_ERR(op_mode))
1589 return op_mode;
1590
1591 if (iwl_trans_is_dead(drv->trans))
1592 break;
1593
1594 #ifdef CONFIG_IWLWIFI_DEBUGFS
1595 debugfs_remove_recursive(drv->dbgfs_op_mode);
1596 drv->dbgfs_op_mode = NULL;
1597 #endif
1598
1599 if (PTR_ERR(op_mode) != -ETIMEDOUT)
1600 break;
1601
1602 IWL_ERR(drv, "retry init count %d\n", retry);
1603 }
1604
1605 return NULL;
1606 }
1607
_iwl_op_mode_stop(struct iwl_drv * drv)1608 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1609 {
1610 /* also protects start/stop from racing against each other */
1611 lockdep_assert_held(&iwlwifi_opmode_table_mtx);
1612
1613 /* op_mode can be NULL if its start failed */
1614 if (drv->op_mode) {
1615 iwl_op_mode_stop(drv->op_mode);
1616 drv->op_mode = NULL;
1617
1618 #ifdef CONFIG_IWLWIFI_DEBUGFS
1619 debugfs_remove_recursive(drv->dbgfs_op_mode);
1620 drv->dbgfs_op_mode = NULL;
1621 #endif
1622 }
1623 }
1624
1625 /*
1626 * iwl_req_fw_callback - callback when firmware was loaded
1627 *
1628 * If loaded successfully, copies the firmware into buffers
1629 * for the card to fetch (via DMA).
1630 */
iwl_req_fw_callback(const struct firmware * ucode_raw,void * context)1631 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1632 {
1633 int min_core, max_core, loaded_core;
1634 struct iwl_drv *drv = context;
1635 struct iwl_fw *fw = &drv->fw;
1636 const struct iwl_ucode_header *ucode;
1637 struct iwlwifi_opmode_table *op;
1638 int err;
1639 struct iwl_firmware_pieces *pieces;
1640 unsigned int api_min, api_max;
1641 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1642 u32 api_ver;
1643 int i;
1644 bool usniffer_images = false;
1645 bool failure = true;
1646
1647 iwl_get_ucode_api_versions(drv->trans, &api_min, &api_max);
1648
1649 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1650 fw->ucode_capa.standard_phy_calibration_size =
1651 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1652 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1653 fw->ucode_capa.num_stations = IWL_STATION_COUNT_MAX;
1654 fw->ucode_capa.num_beacons = 1;
1655 /* dump all fw memory areas by default */
1656 fw->dbg.dump_mask = 0xffffffff;
1657
1658 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1659 if (!pieces)
1660 goto out_free_fw;
1661
1662 if (!ucode_raw)
1663 goto try_again;
1664
1665 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1666 drv->firmware_name, ucode_raw->size);
1667
1668 /* Make sure that we got at least the API version number */
1669 if (ucode_raw->size < 4) {
1670 IWL_ERR(drv, "File size way too small!\n");
1671 goto try_again;
1672 }
1673
1674 /* Data from ucode file: header followed by uCode images */
1675 ucode = (const struct iwl_ucode_header *)ucode_raw->data;
1676
1677 if (ucode->ver)
1678 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1679 else
1680 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1681 &fw->ucode_capa, &usniffer_images);
1682
1683 if (err)
1684 goto try_again;
1685
1686 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1687 api_ver = drv->fw.ucode_ver;
1688 else
1689 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1690
1691 /*
1692 * api_ver should match the api version forming part of the
1693 * firmware filename ... but we don't check for that and only rely
1694 * on the API version read from firmware header from here on forward
1695 */
1696
1697 /*
1698 * if -cN.ucode file was loaded, core version == file version,
1699 * otherwise core version == file version (API version) - 3
1700 */
1701 if (iwl_api_is_core_number(drv->fw_index))
1702 loaded_core = api_ver;
1703 else
1704 loaded_core = api_ver - API_TO_CORE_OFFS;
1705
1706 min_core = iwl_api_to_core(api_min);
1707 max_core = iwl_api_to_core(api_max);
1708
1709 if (loaded_core < min_core || loaded_core > max_core) {
1710 IWL_ERR(drv,
1711 "Driver unable to support your firmware API. "
1712 "Driver supports FW core %d..%d, firmware is %d.\n",
1713 min_core, max_core, loaded_core);
1714 goto try_again;
1715 }
1716
1717 /*
1718 * In mvm uCode there is no difference between data and instructions
1719 * sections.
1720 */
1721 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces,
1722 drv->trans->cfg))
1723 goto try_again;
1724
1725 /* Allocate ucode buffers for card's bus-master loading ... */
1726
1727 /* Runtime instructions and 2 copies of data:
1728 * 1) unmodified from disk
1729 * 2) backup cache for save/restore during power-downs
1730 */
1731 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1732 if (iwl_alloc_ucode(drv, pieces, i))
1733 goto out_free_fw;
1734
1735 if (pieces->dbg_dest_tlv_init) {
1736 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) +
1737 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1738 drv->fw.dbg.n_dest_reg;
1739
1740 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);
1741
1742 if (!drv->fw.dbg.dest_tlv)
1743 goto out_free_fw;
1744
1745 if (*pieces->dbg_dest_ver == 0) {
1746 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1,
1747 dbg_dest_size);
1748 } else {
1749 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv =
1750 drv->fw.dbg.dest_tlv;
1751
1752 dest_tlv->version = pieces->dbg_dest_tlv->version;
1753 dest_tlv->monitor_mode =
1754 pieces->dbg_dest_tlv->monitor_mode;
1755 dest_tlv->size_power =
1756 pieces->dbg_dest_tlv->size_power;
1757 dest_tlv->wrap_count =
1758 pieces->dbg_dest_tlv->wrap_count;
1759 dest_tlv->write_ptr_reg =
1760 pieces->dbg_dest_tlv->write_ptr_reg;
1761 dest_tlv->base_shift =
1762 pieces->dbg_dest_tlv->base_shift;
1763 memcpy(dest_tlv->reg_ops,
1764 pieces->dbg_dest_tlv->reg_ops,
1765 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1766 drv->fw.dbg.n_dest_reg);
1767
1768 /* In version 1 of the destination tlv, which is
1769 * relevant for internal buffer exclusively,
1770 * the base address is part of given with the length
1771 * of the buffer, and the size shift is give instead of
1772 * end shift. We now store these values in base_reg,
1773 * and end shift, and when dumping the data we'll
1774 * manipulate it for extracting both the length and
1775 * base address */
1776 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg;
1777 dest_tlv->end_shift =
1778 pieces->dbg_dest_tlv->size_shift;
1779 }
1780 }
1781
1782 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) {
1783 if (pieces->dbg_conf_tlv[i]) {
1784 drv->fw.dbg.conf_tlv[i] =
1785 kmemdup(pieces->dbg_conf_tlv[i],
1786 pieces->dbg_conf_tlv_len[i],
1787 GFP_KERNEL);
1788 if (!drv->fw.dbg.conf_tlv[i])
1789 goto out_free_fw;
1790 }
1791 }
1792
1793 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1794
1795 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1796 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1797 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1798 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1799 sizeof(struct iwl_fw_dbg_trigger_cmd);
1800 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1801 sizeof(struct iwl_fw_dbg_trigger_mlme);
1802 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1803 sizeof(struct iwl_fw_dbg_trigger_stats);
1804 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1805 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1806 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1807 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1808 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1809 sizeof(struct iwl_fw_dbg_trigger_time_event);
1810 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1811 sizeof(struct iwl_fw_dbg_trigger_ba);
1812 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1813 sizeof(struct iwl_fw_dbg_trigger_tdls);
1814
1815 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) {
1816 if (pieces->dbg_trigger_tlv[i]) {
1817 /*
1818 * If the trigger isn't long enough, WARN and exit.
1819 * Someone is trying to debug something and he won't
1820 * be able to catch the bug he is trying to chase.
1821 * We'd better be noisy to be sure he knows what's
1822 * going on.
1823 */
1824 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1825 (trigger_tlv_sz[i] +
1826 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1827 goto out_free_fw;
1828 drv->fw.dbg.trigger_tlv_len[i] =
1829 pieces->dbg_trigger_tlv_len[i];
1830 drv->fw.dbg.trigger_tlv[i] =
1831 kmemdup(pieces->dbg_trigger_tlv[i],
1832 drv->fw.dbg.trigger_tlv_len[i],
1833 GFP_KERNEL);
1834 if (!drv->fw.dbg.trigger_tlv[i])
1835 goto out_free_fw;
1836 }
1837 }
1838
1839 /* Now that we can no longer fail, copy information */
1840
1841 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv;
1842 pieces->dbg_mem_tlv = NULL;
1843 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv;
1844
1845 /*
1846 * The (size - 16) / 12 formula is based on the information recorded
1847 * for each event, which is of mode 1 (including timestamp) for all
1848 * new microcodes that include this information.
1849 */
1850 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1851 if (pieces->init_evtlog_size)
1852 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1853 else
1854 fw->init_evtlog_size =
1855 drv->trans->mac_cfg->base->max_event_log_size;
1856 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1857 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1858 if (pieces->inst_evtlog_size)
1859 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1860 else
1861 fw->inst_evtlog_size =
1862 drv->trans->mac_cfg->base->max_event_log_size;
1863 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1864
1865 /*
1866 * figure out the offset of chain noise reset and gain commands
1867 * base on the size of standard phy calibration commands table size
1868 */
1869 if (fw->ucode_capa.standard_phy_calibration_size >
1870 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1871 fw->ucode_capa.standard_phy_calibration_size =
1872 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1873
1874 /* We have our copies now, allow OS release its copies */
1875 release_firmware(ucode_raw);
1876
1877 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans);
1878
1879 mutex_lock(&iwlwifi_opmode_table_mtx);
1880 switch (fw->type) {
1881 case IWL_FW_DVM:
1882 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1883 break;
1884 default:
1885 WARN(1, "Invalid fw type %d\n", fw->type);
1886 fallthrough;
1887 case IWL_FW_MVM:
1888 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1889 break;
1890 }
1891
1892 #if IS_ENABLED(CONFIG_IWLMLD)
1893 if (iwl_drv_is_wifi7_supported(drv->trans))
1894 op = &iwlwifi_opmode_table[MLD_OP_MODE];
1895 #endif
1896
1897 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1898 drv->fw.fw_version, op->name);
1899
1900 /* add this device to the list of devices using this op_mode */
1901 list_add_tail(&drv->list, &op->drv);
1902
1903 if (op->ops) {
1904 drv->op_mode = _iwl_op_mode_start(drv, op);
1905
1906 if (!drv->op_mode) {
1907 mutex_unlock(&iwlwifi_opmode_table_mtx);
1908 goto out_unbind;
1909 }
1910 } else {
1911 #if defined(__linux__)
1912 request_module_nowait("%s", op->name);
1913 #elif defined(__FreeBSD__)
1914 /*
1915 * In FreeBSD if_iwlwifi contains all drv modules in a single
1916 * module. SYSINIT will do the job later. We cannot call
1917 * into kern_kldload() while being called from kern_kldload():
1918 * LinuxKPI request_module[_nowait] will hang hard.
1919 * Given this is request_module_nowait() we can simply skip it.
1920 */
1921 if (bootverbose)
1922 printf("%s: module '%s' not yet available; will be initialized in a moment\n",
1923 __func__, op->name);
1924 #endif
1925 }
1926 mutex_unlock(&iwlwifi_opmode_table_mtx);
1927
1928 complete(&drv->request_firmware_complete);
1929
1930 failure = false;
1931 goto free;
1932
1933 try_again:
1934 /* try next, if any */
1935 release_firmware(ucode_raw);
1936 if (iwl_request_firmware(drv, false))
1937 goto out_unbind;
1938 goto free;
1939
1940 out_free_fw:
1941 release_firmware(ucode_raw);
1942 out_unbind:
1943 complete(&drv->request_firmware_complete);
1944 device_release_driver(drv->trans->dev);
1945 /* drv has just been freed by the release */
1946 failure = false;
1947 free:
1948 if (failure)
1949 iwl_dealloc_ucode(drv);
1950
1951 if (pieces) {
1952 for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
1953 kfree(pieces->img[i].sec);
1954 kfree(pieces->dbg_mem_tlv);
1955 kfree(pieces);
1956 }
1957 }
1958
iwl_drv_start(struct iwl_trans * trans)1959 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
1960 {
1961 struct iwl_drv *drv;
1962 int ret;
1963
1964 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1965 if (!drv) {
1966 ret = -ENOMEM;
1967 goto err;
1968 }
1969
1970 drv->trans = trans;
1971 drv->dev = trans->dev;
1972
1973 init_completion(&drv->request_firmware_complete);
1974 #if defined(__FreeBSD__)
1975 init_completion(&drv->drv_start_complete);
1976 #endif
1977 INIT_LIST_HEAD(&drv->list);
1978
1979 #ifdef CONFIG_IWLWIFI_DEBUGFS
1980 /* Create the device debugfs entries. */
1981 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1982 iwl_dbgfs_root);
1983
1984 /* Create transport layer debugfs dir */
1985 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1986 #endif
1987
1988 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans);
1989 if (iwlwifi_mod_params.enable_ini != ENABLE_INI) {
1990 /* We have a non-default value in the module parameter,
1991 * take its value
1992 */
1993 drv->trans->dbg.domains_bitmap &= 0xffff;
1994 if (iwlwifi_mod_params.enable_ini != IWL_FW_INI_PRESET_DISABLE) {
1995 if (iwlwifi_mod_params.enable_ini > ENABLE_INI) {
1996 IWL_ERR(trans,
1997 "invalid enable_ini module parameter value: max = %d, using 0 instead\n",
1998 ENABLE_INI);
1999 iwlwifi_mod_params.enable_ini = 0;
2000 }
2001 drv->trans->dbg.domains_bitmap =
2002 BIT(IWL_FW_DBG_DOMAIN_POS + iwlwifi_mod_params.enable_ini);
2003 }
2004 }
2005
2006 ret = iwl_request_firmware(drv, true);
2007 if (ret) {
2008 IWL_ERR(trans, "Couldn't request the fw\n");
2009 goto err_fw;
2010 }
2011
2012 #if defined(__FreeBSD__)
2013 /*
2014 * Wait until initilization is done before returning in order to
2015 * replicate FreeBSD's synchronous behaviour -- we cannot create
2016 * a vap before the com is fully created but if LinuxKPI "probe"
2017 * returned before it was all done that is what could happen.
2018 */
2019 wait_for_completion(&drv->request_firmware_complete);
2020 complete(&drv->drv_start_complete);
2021 #endif
2022
2023 return drv;
2024
2025 err_fw:
2026 #ifdef CONFIG_IWLWIFI_DEBUGFS
2027 debugfs_remove_recursive(drv->dbgfs_drv);
2028 #endif
2029 iwl_dbg_tlv_free(drv->trans);
2030 kfree(drv);
2031 err:
2032 return ERR_PTR(ret);
2033 }
2034
iwl_drv_stop(struct iwl_drv * drv)2035 void iwl_drv_stop(struct iwl_drv *drv)
2036 {
2037 #if defined(__linux__)
2038 wait_for_completion(&drv->request_firmware_complete);
2039 #elif defined(__FreeBSD__)
2040 wait_for_completion(&drv->drv_start_complete);
2041 #endif
2042
2043 mutex_lock(&iwlwifi_opmode_table_mtx);
2044
2045 _iwl_op_mode_stop(drv);
2046
2047 iwl_dealloc_ucode(drv);
2048
2049 /*
2050 * List is empty (this item wasn't added)
2051 * when firmware loading failed -- in that
2052 * case we can't remove it from any list.
2053 */
2054 if (!list_empty(&drv->list))
2055 list_del(&drv->list);
2056 mutex_unlock(&iwlwifi_opmode_table_mtx);
2057
2058 #ifdef CONFIG_IWLWIFI_DEBUGFS
2059 iwl_trans_debugfs_cleanup(drv->trans);
2060
2061 debugfs_remove_recursive(drv->dbgfs_drv);
2062 #endif
2063
2064 iwl_dbg_tlv_free(drv->trans);
2065
2066 kfree(drv);
2067 }
2068
2069 /* shared module parameters */
2070 struct iwl_mod_params iwlwifi_mod_params = {
2071 .fw_restart = true,
2072 .bt_coex_active = true,
2073 .power_level = IWL_POWER_INDEX_1,
2074 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
2075 .enable_ini = ENABLE_INI,
2076 #if defined(__FreeBSD__)
2077 .disable_11n = 1,
2078 .disable_11ac = true,
2079 .disable_11ax = true,
2080 .disable_11be = true,
2081 #endif
2082 /* the rest are 0 by default */
2083 };
2084 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
2085
iwl_opmode_register(const char * name,const struct iwl_op_mode_ops * ops)2086 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
2087 {
2088 int i;
2089 struct iwl_drv *drv;
2090 struct iwlwifi_opmode_table *op;
2091
2092 mutex_lock(&iwlwifi_opmode_table_mtx);
2093 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
2094 op = &iwlwifi_opmode_table[i];
2095 if (strcmp(op->name, name))
2096 continue;
2097 op->ops = ops;
2098 /* TODO: need to handle exceptional case */
2099 list_for_each_entry(drv, &op->drv, list)
2100 drv->op_mode = _iwl_op_mode_start(drv, op);
2101
2102 mutex_unlock(&iwlwifi_opmode_table_mtx);
2103 return 0;
2104 }
2105 mutex_unlock(&iwlwifi_opmode_table_mtx);
2106 return -EIO;
2107 }
2108 IWL_EXPORT_SYMBOL(iwl_opmode_register);
2109
iwl_opmode_deregister(const char * name)2110 void iwl_opmode_deregister(const char *name)
2111 {
2112 int i;
2113 struct iwl_drv *drv;
2114
2115 mutex_lock(&iwlwifi_opmode_table_mtx);
2116 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
2117 if (strcmp(iwlwifi_opmode_table[i].name, name))
2118 continue;
2119 iwlwifi_opmode_table[i].ops = NULL;
2120
2121 /* call the stop routine for all devices */
2122 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
2123 _iwl_op_mode_stop(drv);
2124
2125 mutex_unlock(&iwlwifi_opmode_table_mtx);
2126 return;
2127 }
2128 mutex_unlock(&iwlwifi_opmode_table_mtx);
2129 }
2130 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
2131
iwl_drv_init(void)2132 static int __init iwl_drv_init(void)
2133 {
2134 int i, err;
2135
2136 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
2137 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
2138
2139 #ifdef CONFIG_IWLWIFI_DEBUGFS
2140 /* Create the root of iwlwifi debugfs subsystem. */
2141 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
2142 #endif
2143
2144 err = iwl_pci_register_driver();
2145 if (err)
2146 goto cleanup_debugfs;
2147
2148 return 0;
2149
2150 cleanup_debugfs:
2151 #ifdef CONFIG_IWLWIFI_DEBUGFS
2152 debugfs_remove_recursive(iwl_dbgfs_root);
2153 #endif
2154 return err;
2155 }
2156 module_init(iwl_drv_init);
2157
iwl_drv_exit(void)2158 static void __exit iwl_drv_exit(void)
2159 {
2160 iwl_pci_unregister_driver();
2161 iwl_trans_free_restart_list();
2162
2163 #ifdef CONFIG_IWLWIFI_DEBUGFS
2164 debugfs_remove_recursive(iwl_dbgfs_root);
2165 #endif
2166 }
2167 module_exit(iwl_drv_exit);
2168
2169 #ifdef CONFIG_IWLWIFI_DEBUG
2170 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644);
2171 MODULE_PARM_DESC(debug, "debug output mask");
2172 #endif
2173
2174 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444);
2175 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
2176 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444);
2177 MODULE_PARM_DESC(11n_disable,
2178 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
2179 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444);
2180 MODULE_PARM_DESC(amsdu_size,
2181 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, "
2182 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)");
2183 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);
2184 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
2185
2186 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);
2187 MODULE_PARM_DESC(nvm_file, "NVM file name");
2188
2189 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);
2190 MODULE_PARM_DESC(uapsd_disable,
2191 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
2192
2193 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, uint, 0444);
2194 MODULE_PARM_DESC(enable_ini,
2195 "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined,"
2196 "Debug INI TLV FW debug infrastructure (default: 16)");
2197
2198 /*
2199 * set bt_coex_active to true, uCode will do kill/defer
2200 * every time the priority line is asserted (BT is sending signals on the
2201 * priority line in the PCIx).
2202 * set bt_coex_active to false, uCode will ignore the BT activity and
2203 * perform the normal operation
2204 *
2205 * User might experience transmit issue on some platform due to WiFi/BT
2206 * co-exist problem. The possible behaviors are:
2207 * Able to scan and finding all the available AP
2208 * Not able to associate with any AP
2209 * On those platforms, WiFi communication can be restored by set
2210 * "bt_coex_active" module parameter to "false"
2211 *
2212 * default: bt_coex_active = true (BT_COEX_ENABLE)
2213 */
2214 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
2215 bool, 0444);
2216 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
2217
2218 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444);
2219 MODULE_PARM_DESC(led_mode, "0=system default, "
2220 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
2221
2222 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444);
2223 MODULE_PARM_DESC(power_save,
2224 "enable WiFi power management (default: disable)");
2225
2226 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444);
2227 MODULE_PARM_DESC(power_level,
2228 "default power save level (range from 1 - 5, default: 1)");
2229
2230 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);
2231 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
2232
2233 module_param_named(remove_when_gone,
2234 iwlwifi_mod_params.remove_when_gone, bool,
2235 0444);
2236 MODULE_PARM_DESC(remove_when_gone,
2237 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)");
2238
2239 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool,
2240 S_IRUGO);
2241 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
2242
2243 module_param_named(disable_11be, iwlwifi_mod_params.disable_11be, bool, 0444);
2244 MODULE_PARM_DESC(disable_11be, "Disable EHT capabilities (default: false)");
2245