1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2005-2014, 2018-2026 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
7 #include <linux/completion.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/firmware.h>
10 #include <linux/module.h>
11 #include <linux/vmalloc.h>
12
13 #include "iwl-drv.h"
14 #include "iwl-csr.h"
15 #include "iwl-debug.h"
16 #include "iwl-trans.h"
17 #include "iwl-op-mode.h"
18 #include "iwl-agn-hw.h"
19 #include "fw/img.h"
20 #include "iwl-dbg-tlv.h"
21 #include "iwl-config.h"
22 #include "iwl-modparams.h"
23 #include "fw/api/alive.h"
24 #include "fw/api/mac.h"
25 #include "fw/api/mac-cfg.h"
26
27 /******************************************************************************
28 *
29 * module boiler plate
30 *
31 ******************************************************************************/
32
33 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
34 MODULE_DESCRIPTION(DRV_DESCRIPTION);
35 MODULE_LICENSE("GPL");
36
37 #ifdef CONFIG_IWLWIFI_DEBUGFS
38 static struct dentry *iwl_dbgfs_root;
39 #endif
40
41 /**
42 * struct iwl_drv - drv common data
43 * @list: list of drv structures using this opmode
44 * @fw: the iwl_fw structure
45 * @op_mode: the running op_mode
46 * @trans: transport layer
47 * @dev: for debug prints only
48 * @fw_index: firmware revision to try loading
49 * @firmware_name: composite filename of ucode file to load
50 * @request_firmware_complete: the firmware has been obtained from user space
51 * @dbgfs_drv: debugfs root directory entry
52 * @dbgfs_trans: debugfs transport directory entry
53 * @dbgfs_op_mode: debugfs op_mode directory entry
54 */
55 struct iwl_drv {
56 struct list_head list;
57 struct iwl_fw fw;
58
59 struct iwl_op_mode *op_mode;
60 struct iwl_trans *trans;
61 struct device *dev;
62
63 int fw_index; /* firmware we're trying to load */
64 char firmware_name[64]; /* name of firmware file to load */
65
66 struct completion request_firmware_complete;
67
68 #ifdef CONFIG_IWLWIFI_DEBUGFS
69 struct dentry *dbgfs_drv;
70 struct dentry *dbgfs_trans;
71 struct dentry *dbgfs_op_mode;
72 #endif
73 };
74
75 enum {
76 DVM_OP_MODE,
77 MVM_OP_MODE,
78 #if IS_ENABLED(CONFIG_IWLMLD)
79 MLD_OP_MODE,
80 #endif
81 };
82
83 /* Protects the table contents, i.e. the ops pointer & drv list */
84 static DEFINE_MUTEX(iwlwifi_opmode_table_mtx);
85 static struct iwlwifi_opmode_table {
86 const char *name; /* name: iwldvm, iwlmvm, etc */
87 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
88 struct list_head drv; /* list of devices using this op_mode */
89 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
90 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
91 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
92 #if IS_ENABLED(CONFIG_IWLMLD)
93 [MLD_OP_MODE] = { .name = "iwlmld", .ops = NULL },
94 #endif
95 };
96
97 #define IWL_DEFAULT_SCAN_CHANNELS 40
98
99 /*
100 * struct fw_sec: Just for the image parsing process.
101 * For the fw storage we are using struct fw_desc.
102 */
103 struct fw_sec {
104 const void *data; /* the sec data */
105 size_t size; /* section size */
106 u32 offset; /* offset of writing in the device */
107 };
108
iwl_free_fw_desc(struct iwl_drv * drv,struct fw_desc * desc)109 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
110 {
111 vfree(desc->data);
112 desc->data = NULL;
113 desc->len = 0;
114 }
115
iwl_free_fw_img(struct iwl_drv * drv,struct fw_img * img)116 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
117 {
118 int i;
119 for (i = 0; i < img->num_sec; i++)
120 iwl_free_fw_desc(drv, &img->sec[i]);
121 kfree(img->sec);
122 }
123
iwl_dealloc_ucode(struct iwl_drv * drv)124 static void iwl_dealloc_ucode(struct iwl_drv *drv)
125 {
126 int i;
127
128 kfree(drv->fw.dbg.dest_tlv);
129 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++)
130 kfree(drv->fw.dbg.conf_tlv[i]);
131 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++)
132 kfree(drv->fw.dbg.trigger_tlv[i]);
133 kfree(drv->fw.dbg.mem_tlv);
134 kfree(drv->fw.iml);
135 kfree(drv->fw.ucode_capa.cmd_versions);
136 kfree(drv->fw.ucode_capa.cmd_bios_tables);
137 kfree(drv->fw.phy_integration_ver);
138 kfree(drv->trans->dbg.pc_data);
139 drv->trans->dbg.pc_data = NULL;
140 kvfree(drv->fw.pnvm_data);
141 drv->fw.pnvm_data = NULL;
142 drv->fw.pnvm_size = 0;
143
144 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
145 iwl_free_fw_img(drv, drv->fw.img + i);
146
147 /* clear the data for the aborted load case */
148 memset(&drv->fw, 0, sizeof(drv->fw));
149 }
150
iwl_alloc_fw_desc(struct fw_desc * desc,struct fw_sec * sec)151 static int iwl_alloc_fw_desc(struct fw_desc *desc, struct fw_sec *sec)
152 {
153 void *data;
154
155 desc->data = NULL;
156
157 if (!sec || !sec->size)
158 return -EINVAL;
159
160 data = vmalloc(sec->size);
161 if (!data)
162 return -ENOMEM;
163
164 desc->len = sec->size;
165 desc->offset = sec->offset;
166 memcpy(data, sec->data, desc->len);
167 desc->data = data;
168
169 return 0;
170 }
171
iwl_drv_get_step(int step)172 static inline char iwl_drv_get_step(int step)
173 {
174 if (step == SILICON_Z_STEP)
175 return 'z';
176 if (step == SILICON_TC_STEP)
177 return 'a';
178 return 'a' + step;
179 }
180
iwl_drv_is_wifi7_supported(struct iwl_trans * trans)181 bool iwl_drv_is_wifi7_supported(struct iwl_trans *trans)
182 {
183 return trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ &&
184 CSR_HW_RFID_TYPE(trans->info.hw_rf_id) >= IWL_CFG_RF_TYPE_FM;
185 }
186
iwl_drv_get_fwname_pre(struct iwl_trans * trans,char * buf)187 const char *iwl_drv_get_fwname_pre(struct iwl_trans *trans, char *buf)
188 {
189 char mac_step, rf_step;
190 const char *mac, *rf, *cdb;
191
192 if (trans->cfg->fw_name_pre)
193 return trans->cfg->fw_name_pre;
194
195 mac_step = iwl_drv_get_step(trans->info.hw_rev_step);
196
197 switch (CSR_HW_REV_TYPE(trans->info.hw_rev)) {
198 case IWL_CFG_MAC_TYPE_PU:
199 mac = "9000-pu";
200 mac_step = 'b';
201 break;
202 case IWL_CFG_MAC_TYPE_TH:
203 mac = "9260-th";
204 mac_step = 'b';
205 break;
206 case IWL_CFG_MAC_TYPE_QU:
207 mac = "Qu";
208 break;
209 case IWL_CFG_MAC_TYPE_CC:
210 /* special case - no RF since it's fixed (discrete) */
211 scnprintf(buf, FW_NAME_PRE_BUFSIZE, "iwlwifi-cc-a0");
212 return buf;
213 case IWL_CFG_MAC_TYPE_QUZ:
214 mac = "QuZ";
215 /* all QuZ use A0 firmware */
216 mac_step = 'a';
217 break;
218 case IWL_CFG_MAC_TYPE_SO:
219 case IWL_CFG_MAC_TYPE_SOF:
220 mac = "so";
221 mac_step = 'a';
222 break;
223 case IWL_CFG_MAC_TYPE_TY:
224 mac = "ty";
225 mac_step = 'a';
226 break;
227 case IWL_CFG_MAC_TYPE_MA:
228 mac = "ma";
229 break;
230 case IWL_CFG_MAC_TYPE_BZ:
231 case IWL_CFG_MAC_TYPE_BZ_W:
232 mac = "bz";
233 break;
234 case IWL_CFG_MAC_TYPE_GL:
235 mac = "gl";
236 break;
237 case IWL_CFG_MAC_TYPE_SC:
238 mac = "sc";
239 break;
240 case IWL_CFG_MAC_TYPE_SC2:
241 /* Uses the same firmware as SC2 */
242 case IWL_CFG_MAC_TYPE_SC2F:
243 mac = "sc2";
244 break;
245 case IWL_CFG_MAC_TYPE_BR:
246 mac = "br";
247 break;
248 case IWL_CFG_MAC_TYPE_DR:
249 mac = "dr";
250 break;
251 default:
252 return "unknown-mac";
253 }
254
255 rf_step = iwl_drv_get_step(CSR_HW_RFID_STEP(trans->info.hw_rf_id));
256
257 switch (CSR_HW_RFID_TYPE(trans->info.hw_rf_id)) {
258 case IWL_CFG_RF_TYPE_JF1:
259 case IWL_CFG_RF_TYPE_JF2:
260 rf = "jf";
261 rf_step = 'b';
262 break;
263 case IWL_CFG_RF_TYPE_HR1:
264 case IWL_CFG_RF_TYPE_HR2:
265 rf = "hr";
266 rf_step = 'b';
267 break;
268 case IWL_CFG_RF_TYPE_GF:
269 rf = "gf";
270 rf_step = 'a';
271 break;
272 case IWL_CFG_RF_TYPE_FM:
273 rf = "fm";
274 break;
275 case IWL_CFG_RF_TYPE_WH:
276 rf = "wh";
277 break;
278 case IWL_CFG_RF_TYPE_PE:
279 rf = "pe";
280 break;
281 default:
282 return "unknown-rf";
283 }
284
285 cdb = CSR_HW_RFID_IS_CDB(trans->info.hw_rf_id) ? "4" : "";
286
287 scnprintf(buf, FW_NAME_PRE_BUFSIZE,
288 "iwlwifi-%s-%c0-%s%s-%c0",
289 mac, mac_step, rf, cdb, rf_step);
290
291 return buf;
292 }
293 IWL_EXPORT_SYMBOL(iwl_drv_get_fwname_pre);
294
295 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
296 void *context);
297
iwl_get_ucode_api_versions(struct iwl_trans * trans,unsigned int * api_min,unsigned int * api_max)298 static void iwl_get_ucode_api_versions(struct iwl_trans *trans,
299 unsigned int *api_min,
300 unsigned int *api_max)
301 {
302 const struct iwl_family_base_params *base = trans->mac_cfg->base;
303 const struct iwl_rf_cfg *cfg = trans->cfg;
304
305 /* if the MAC doesn't have range or if its range it higher than the RF's */
306 if (!base->ucode_api_max ||
307 (cfg->ucode_api_max && base->ucode_api_min > cfg->ucode_api_max)) {
308 *api_min = cfg->ucode_api_min;
309 *api_max = cfg->ucode_api_max;
310 return;
311 }
312
313 /* if the RF doesn't have range or if its range it higher than the MAC's */
314 if (!cfg->ucode_api_max ||
315 (base->ucode_api_max && cfg->ucode_api_min > base->ucode_api_max)) {
316 *api_min = base->ucode_api_min;
317 *api_max = base->ucode_api_max;
318 return;
319 }
320
321 *api_min = max(cfg->ucode_api_min, base->ucode_api_min);
322 *api_max = min(cfg->ucode_api_max, base->ucode_api_max);
323 }
324
iwl_request_firmware(struct iwl_drv * drv,bool first)325 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
326 {
327 char _fw_name_pre[FW_NAME_PRE_BUFSIZE];
328 unsigned int ucode_api_max, ucode_api_min;
329 const char *fw_name_pre;
330
331 iwl_get_ucode_api_versions(drv->trans, &ucode_api_min, &ucode_api_max);
332
333 if (drv->trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
334 (drv->trans->info.hw_rev_step != SILICON_B_STEP &&
335 drv->trans->info.hw_rev_step != SILICON_C_STEP)) {
336 IWL_ERR(drv,
337 "Only HW steps B and C are currently supported (0x%0x)\n",
338 drv->trans->info.hw_rev);
339 return -EINVAL;
340 }
341
342 if (CSR_HW_RFID_TYPE(drv->trans->info.hw_rf_id) == IWL_CFG_RF_TYPE_WH &&
343 CSR_HW_RFID_STEP(drv->trans->info.hw_rf_id) == SILICON_A_STEP) {
344 IWL_ERR(drv, "WH A step is not supported\n");
345 return -EINVAL;
346 }
347
348 fw_name_pre = iwl_drv_get_fwname_pre(drv->trans, _fw_name_pre);
349
350 if (first)
351 drv->fw_index = ucode_api_max;
352 else if (drv->fw_index == ENCODE_CORE_AS_API(100))
353 drv->fw_index = 102; /* last API-scheme number below core 100 */
354 else
355 drv->fw_index--;
356
357 if (drv->fw_index < ucode_api_min) {
358 IWL_ERR(drv, "no suitable firmware found!\n");
359
360 if (ucode_api_min == ucode_api_max) {
361 IWL_ERR(drv, "%s-" FW_API_FMT " is required\n",
362 fw_name_pre, FW_API_ARG(ucode_api_max));
363 } else {
364 IWL_ERR(drv,
365 "minimum version required: %s-" FW_API_FMT "\n",
366 fw_name_pre, FW_API_ARG(ucode_api_min));
367 IWL_ERR(drv,
368 "maximum version supported: %s-" FW_API_FMT "\n",
369 fw_name_pre, FW_API_ARG(ucode_api_max));
370 }
371
372 IWL_ERR(drv,
373 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
374 return -ENOENT;
375 }
376
377 snprintf(drv->firmware_name, sizeof(drv->firmware_name),
378 "%s-" FW_API_FMT ".ucode",
379 fw_name_pre, FW_API_ARG(drv->fw_index));
380
381 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n",
382 drv->firmware_name);
383
384 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
385 drv->trans->dev,
386 GFP_KERNEL, drv, iwl_req_fw_callback);
387 }
388
389 struct fw_img_parsing {
390 struct fw_sec *sec;
391 int sec_counter;
392 };
393
394 /*
395 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
396 */
397 struct fw_sec_parsing {
398 __le32 offset;
399 const u8 data[];
400 } __packed;
401
402 /**
403 * struct iwl_tlv_calib_data - parse the default calib data from TLV
404 *
405 * @ucode_type: the uCode to which the following default calib relates.
406 * @calib: default calibrations.
407 */
408 struct iwl_tlv_calib_data {
409 __le32 ucode_type;
410 struct iwl_tlv_calib_ctrl calib;
411 } __packed;
412
413 struct iwl_firmware_pieces {
414 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
415
416 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
417 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
418
419 /* FW debug data parsed for driver usage */
420 bool dbg_dest_tlv_init;
421 const u8 *dbg_dest_ver;
422 union {
423 const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
424 const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1;
425 };
426 const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
427 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
428 const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
429 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
430 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
431 size_t n_mem_tlv;
432 };
433
alloc_sec_data(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec)434 static void alloc_sec_data(struct iwl_firmware_pieces *pieces,
435 enum iwl_ucode_type type,
436 int sec)
437 {
438 struct fw_img_parsing *img = &pieces->img[type];
439 struct fw_sec *sec_memory;
440 int size = sec + 1;
441 size_t alloc_size = sizeof(*img->sec) * size;
442
443 if (img->sec && img->sec_counter >= size)
444 return;
445
446 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL);
447 if (!sec_memory)
448 return;
449
450 img->sec = sec_memory;
451 img->sec_counter = size;
452 }
453
set_sec_data(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,const void * data)454 static void set_sec_data(struct iwl_firmware_pieces *pieces,
455 enum iwl_ucode_type type,
456 int sec,
457 const void *data)
458 {
459 alloc_sec_data(pieces, type, sec);
460
461 pieces->img[type].sec[sec].data = data;
462 }
463
set_sec_size(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,size_t size)464 static void set_sec_size(struct iwl_firmware_pieces *pieces,
465 enum iwl_ucode_type type,
466 int sec,
467 size_t size)
468 {
469 alloc_sec_data(pieces, type, sec);
470
471 pieces->img[type].sec[sec].size = size;
472 }
473
get_sec_size(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec)474 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
475 enum iwl_ucode_type type,
476 int sec)
477 {
478 return pieces->img[type].sec[sec].size;
479 }
480
set_sec_offset(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,u32 offset)481 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
482 enum iwl_ucode_type type,
483 int sec,
484 u32 offset)
485 {
486 alloc_sec_data(pieces, type, sec);
487
488 pieces->img[type].sec[sec].offset = offset;
489 }
490
491 /*
492 * Gets uCode section from tlv.
493 */
iwl_store_ucode_sec(struct fw_img_parsing * img,const void * data,size_t size)494 static int iwl_store_ucode_sec(struct fw_img_parsing *img,
495 const void *data, size_t size)
496 {
497 struct fw_sec *sec;
498 const struct fw_sec_parsing *sec_parse;
499 size_t alloc_size;
500
501 if (WARN_ON(!img || !data))
502 return -EINVAL;
503
504 if (size < sizeof(sec_parse->offset))
505 return -EINVAL;
506
507 sec_parse = (const struct fw_sec_parsing *)data;
508
509 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
510 sec = krealloc(img->sec, alloc_size, GFP_KERNEL);
511 if (!sec)
512 return -ENOMEM;
513 img->sec = sec;
514
515 sec = &img->sec[img->sec_counter];
516
517 sec->offset = le32_to_cpu(sec_parse->offset);
518 sec->data = sec_parse->data;
519 sec->size = size - sizeof(sec_parse->offset);
520
521 ++img->sec_counter;
522
523 return 0;
524 }
525
iwl_set_default_calib(struct iwl_drv * drv,const u8 * data)526 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
527 {
528 const struct iwl_tlv_calib_data *def_calib =
529 (const struct iwl_tlv_calib_data *)data;
530 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
531 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
532 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
533 ucode_type);
534 return -EINVAL;
535 }
536 drv->fw.default_calib[ucode_type].flow_trigger =
537 def_calib->calib.flow_trigger;
538 drv->fw.default_calib[ucode_type].event_trigger =
539 def_calib->calib.event_trigger;
540
541 return 0;
542 }
543
iwl_set_ucode_api_flags(struct iwl_drv * drv,const u8 * data,struct iwl_ucode_capabilities * capa)544 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
545 struct iwl_ucode_capabilities *capa)
546 {
547 const struct iwl_ucode_api *ucode_api = (const void *)data;
548 u32 api_index = le32_to_cpu(ucode_api->api_index);
549 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
550 int i;
551
552 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
553 IWL_WARN(drv,
554 "api flags index %d larger than supported by driver\n",
555 api_index);
556 return;
557 }
558
559 for (i = 0; i < 32; i++) {
560 if (api_flags & BIT(i))
561 __set_bit(i + 32 * api_index, capa->_api);
562 }
563 }
564
iwl_set_ucode_capabilities(struct iwl_drv * drv,const u8 * data,struct iwl_ucode_capabilities * capa)565 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
566 struct iwl_ucode_capabilities *capa)
567 {
568 const struct iwl_ucode_capa *ucode_capa = (const void *)data;
569 u32 api_index = le32_to_cpu(ucode_capa->api_index);
570 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
571 int i;
572
573 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
574 IWL_WARN(drv,
575 "capa flags index %d larger than supported by driver\n",
576 api_index);
577 return;
578 }
579
580 for (i = 0; i < 32; i++) {
581 if (api_flags & BIT(i))
582 __set_bit(i + 32 * api_index, capa->_capa);
583 }
584 }
585
iwl_reduced_fw_name(struct iwl_drv * drv)586 static const char *iwl_reduced_fw_name(struct iwl_drv *drv)
587 {
588 const char *name = drv->firmware_name;
589
590 if (strncmp(name, "iwlwifi-", 8) == 0)
591 name += 8;
592
593 return name;
594 }
595
iwl_parse_v1_v2_firmware(struct iwl_drv * drv,const struct firmware * ucode_raw,struct iwl_firmware_pieces * pieces)596 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
597 const struct firmware *ucode_raw,
598 struct iwl_firmware_pieces *pieces)
599 {
600 const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data;
601 u32 api_ver, hdr_size, build;
602 char buildstr[25];
603 const u8 *src;
604
605 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
606 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
607
608 switch (api_ver) {
609 default:
610 hdr_size = 28;
611 if (ucode_raw->size < hdr_size) {
612 IWL_ERR(drv, "File size too small!\n");
613 return -EINVAL;
614 }
615 build = le32_to_cpu(ucode->u.v2.build);
616 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
617 le32_to_cpu(ucode->u.v2.inst_size));
618 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
619 le32_to_cpu(ucode->u.v2.data_size));
620 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
621 le32_to_cpu(ucode->u.v2.init_size));
622 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
623 le32_to_cpu(ucode->u.v2.init_data_size));
624 src = ucode->u.v2.data;
625 break;
626 case 0:
627 case 1:
628 case 2:
629 hdr_size = 24;
630 if (ucode_raw->size < hdr_size) {
631 IWL_ERR(drv, "File size too small!\n");
632 return -EINVAL;
633 }
634 build = 0;
635 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
636 le32_to_cpu(ucode->u.v1.inst_size));
637 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
638 le32_to_cpu(ucode->u.v1.data_size));
639 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
640 le32_to_cpu(ucode->u.v1.init_size));
641 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
642 le32_to_cpu(ucode->u.v1.init_data_size));
643 src = ucode->u.v1.data;
644 break;
645 }
646
647 if (build)
648 sprintf(buildstr, " build %u", build);
649 else
650 buildstr[0] = '\0';
651
652 snprintf(drv->fw.fw_version,
653 sizeof(drv->fw.fw_version),
654 "%u.%u.%u.%u%s %s",
655 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
656 IWL_UCODE_MINOR(drv->fw.ucode_ver),
657 IWL_UCODE_API(drv->fw.ucode_ver),
658 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
659 buildstr, iwl_reduced_fw_name(drv));
660
661 /* Verify size of file vs. image size info in file's header */
662
663 if (ucode_raw->size != hdr_size +
664 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
665 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
666 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
667 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
668
669 IWL_ERR(drv,
670 "uCode file size %d does not match expected size\n",
671 (int)ucode_raw->size);
672 return -EINVAL;
673 }
674
675
676 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
677 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
678 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
679 IWLAGN_RTC_INST_LOWER_BOUND);
680 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
681 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
682 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
683 IWLAGN_RTC_DATA_LOWER_BOUND);
684 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
685 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
686 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
687 IWLAGN_RTC_INST_LOWER_BOUND);
688 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
689 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
690 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
691 IWLAGN_RTC_DATA_LOWER_BOUND);
692 return 0;
693 }
694
iwl_drv_set_dump_exclude(struct iwl_drv * drv,enum iwl_ucode_tlv_type tlv_type,const void * tlv_data,u32 tlv_len)695 static void iwl_drv_set_dump_exclude(struct iwl_drv *drv,
696 enum iwl_ucode_tlv_type tlv_type,
697 const void *tlv_data, u32 tlv_len)
698 {
699 const struct iwl_fw_dump_exclude *fw = tlv_data;
700 struct iwl_dump_exclude *excl;
701
702 if (tlv_len < sizeof(*fw))
703 return;
704
705 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) {
706 excl = &drv->fw.dump_excl[0];
707
708 /* second time we find this, it's for WoWLAN */
709 if (excl->addr)
710 excl = &drv->fw.dump_excl_wowlan[0];
711 } else if (fw_has_capa(&drv->fw.ucode_capa,
712 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) {
713 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */
714 excl = &drv->fw.dump_excl[0];
715 } else {
716 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */
717 excl = &drv->fw.dump_excl_wowlan[0];
718 }
719
720 if (excl->addr)
721 excl++;
722
723 if (excl->addr) {
724 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n");
725 return;
726 }
727
728 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL;
729 excl->size = le32_to_cpu(fw->size);
730 }
731
iwl_parse_dbg_tlv_assert_tables(struct iwl_drv * drv,const struct iwl_ucode_tlv * tlv)732 static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv,
733 const struct iwl_ucode_tlv *tlv)
734 {
735 const struct iwl_fw_ini_region_tlv *region;
736 u32 length = le32_to_cpu(tlv->length);
737 u32 addr;
738
739 if (length < offsetof(typeof(*region), special_mem) +
740 sizeof(region->special_mem))
741 return;
742
743 region = (const void *)tlv->data;
744 addr = le32_to_cpu(region->special_mem.base_addr);
745 addr += le32_to_cpu(region->special_mem.offset);
746 addr &= ~FW_ADDR_CACHE_CONTROL;
747
748 if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY)
749 return;
750
751 switch (region->sub_type) {
752 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE:
753 drv->trans->dbg.umac_error_event_table = addr;
754 drv->trans->dbg.error_event_table_tlv_status |=
755 IWL_ERROR_EVENT_TABLE_UMAC;
756 break;
757 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE:
758 drv->trans->dbg.lmac_error_event_table[0] = addr;
759 drv->trans->dbg.error_event_table_tlv_status |=
760 IWL_ERROR_EVENT_TABLE_LMAC1;
761 break;
762 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE:
763 drv->trans->dbg.lmac_error_event_table[1] = addr;
764 drv->trans->dbg.error_event_table_tlv_status |=
765 IWL_ERROR_EVENT_TABLE_LMAC2;
766 break;
767 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE:
768 drv->trans->dbg.tcm_error_event_table[0] = addr;
769 drv->trans->dbg.error_event_table_tlv_status |=
770 IWL_ERROR_EVENT_TABLE_TCM1;
771 break;
772 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE:
773 drv->trans->dbg.tcm_error_event_table[1] = addr;
774 drv->trans->dbg.error_event_table_tlv_status |=
775 IWL_ERROR_EVENT_TABLE_TCM2;
776 break;
777 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE:
778 drv->trans->dbg.rcm_error_event_table[0] = addr;
779 drv->trans->dbg.error_event_table_tlv_status |=
780 IWL_ERROR_EVENT_TABLE_RCM1;
781 break;
782 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE:
783 drv->trans->dbg.rcm_error_event_table[1] = addr;
784 drv->trans->dbg.error_event_table_tlv_status |=
785 IWL_ERROR_EVENT_TABLE_RCM2;
786 break;
787 default:
788 break;
789 }
790 }
791
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)792 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
793 const struct firmware *ucode_raw,
794 struct iwl_firmware_pieces *pieces,
795 struct iwl_ucode_capabilities *capa,
796 bool *usniffer_images)
797 {
798 const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data;
799 const struct iwl_ucode_tlv *tlv;
800 size_t len = ucode_raw->size;
801 const u8 *data;
802 u32 tlv_len;
803 u32 usniffer_img;
804 enum iwl_ucode_tlv_type tlv_type;
805 const u8 *tlv_data;
806 char buildstr[25];
807 u32 build, paging_mem_size;
808 int num_of_cpus;
809 bool usniffer_req = false;
810 size_t aligned_tlv_len;
811
812 if (len < sizeof(*ucode)) {
813 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
814 return -EINVAL;
815 }
816
817 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
818 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
819 le32_to_cpu(ucode->magic));
820 return -EINVAL;
821 }
822
823 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
824 memcpy(drv->fw.human_readable, ucode->human_readable,
825 sizeof(drv->fw.human_readable));
826 build = le32_to_cpu(ucode->build);
827
828 if (build)
829 sprintf(buildstr, " build %u", build);
830 else
831 buildstr[0] = '\0';
832
833 snprintf(drv->fw.fw_version,
834 sizeof(drv->fw.fw_version),
835 "%u.%u.%u.%u%s %s",
836 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
837 IWL_UCODE_MINOR(drv->fw.ucode_ver),
838 IWL_UCODE_API(drv->fw.ucode_ver),
839 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
840 buildstr, iwl_reduced_fw_name(drv));
841
842 data = ucode->data;
843
844 len -= sizeof(*ucode);
845
846 while (len >= sizeof(*tlv)) {
847 len -= sizeof(*tlv);
848
849 tlv = (const void *)data;
850 tlv_len = le32_to_cpu(tlv->length);
851 tlv_type = le32_to_cpu(tlv->type);
852 tlv_data = tlv->data;
853
854 if (len < tlv_len) {
855 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
856 len, tlv_len);
857 return -EINVAL;
858 }
859
860 aligned_tlv_len = ALIGN(tlv_len, 4);
861 if (len < aligned_tlv_len) {
862 IWL_ERR(drv, "invalid aligned TLV len: %zd/%zu\n",
863 len, aligned_tlv_len);
864 return -EINVAL;
865 }
866
867 len -= aligned_tlv_len;
868 data += sizeof(*tlv) + aligned_tlv_len;
869
870 switch (tlv_type) {
871 case IWL_UCODE_TLV_INST:
872 set_sec_data(pieces, IWL_UCODE_REGULAR,
873 IWL_UCODE_SECTION_INST, tlv_data);
874 set_sec_size(pieces, IWL_UCODE_REGULAR,
875 IWL_UCODE_SECTION_INST, tlv_len);
876 set_sec_offset(pieces, IWL_UCODE_REGULAR,
877 IWL_UCODE_SECTION_INST,
878 IWLAGN_RTC_INST_LOWER_BOUND);
879 break;
880 case IWL_UCODE_TLV_DATA:
881 set_sec_data(pieces, IWL_UCODE_REGULAR,
882 IWL_UCODE_SECTION_DATA, tlv_data);
883 set_sec_size(pieces, IWL_UCODE_REGULAR,
884 IWL_UCODE_SECTION_DATA, tlv_len);
885 set_sec_offset(pieces, IWL_UCODE_REGULAR,
886 IWL_UCODE_SECTION_DATA,
887 IWLAGN_RTC_DATA_LOWER_BOUND);
888 break;
889 case IWL_UCODE_TLV_INIT:
890 set_sec_data(pieces, IWL_UCODE_INIT,
891 IWL_UCODE_SECTION_INST, tlv_data);
892 set_sec_size(pieces, IWL_UCODE_INIT,
893 IWL_UCODE_SECTION_INST, tlv_len);
894 set_sec_offset(pieces, IWL_UCODE_INIT,
895 IWL_UCODE_SECTION_INST,
896 IWLAGN_RTC_INST_LOWER_BOUND);
897 break;
898 case IWL_UCODE_TLV_INIT_DATA:
899 set_sec_data(pieces, IWL_UCODE_INIT,
900 IWL_UCODE_SECTION_DATA, tlv_data);
901 set_sec_size(pieces, IWL_UCODE_INIT,
902 IWL_UCODE_SECTION_DATA, tlv_len);
903 set_sec_offset(pieces, IWL_UCODE_INIT,
904 IWL_UCODE_SECTION_DATA,
905 IWLAGN_RTC_DATA_LOWER_BOUND);
906 break;
907 case IWL_UCODE_TLV_BOOT:
908 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
909 break;
910 case IWL_UCODE_TLV_PROBE_MAX_LEN:
911 if (tlv_len != sizeof(u32))
912 goto invalid_tlv_len;
913 capa->max_probe_length =
914 le32_to_cpup((const __le32 *)tlv_data);
915 break;
916 case IWL_UCODE_TLV_PAN:
917 if (tlv_len)
918 goto invalid_tlv_len;
919 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
920 break;
921 case IWL_UCODE_TLV_FLAGS:
922 /* must be at least one u32 */
923 if (tlv_len < sizeof(u32))
924 goto invalid_tlv_len;
925 /* and a proper number of u32s */
926 if (tlv_len % sizeof(u32))
927 goto invalid_tlv_len;
928 /*
929 * This driver only reads the first u32 as
930 * right now no more features are defined,
931 * if that changes then either the driver
932 * will not work with the new firmware, or
933 * it'll not take advantage of new features.
934 */
935 capa->flags = le32_to_cpup((const __le32 *)tlv_data);
936 break;
937 case IWL_UCODE_TLV_API_CHANGES_SET:
938 if (tlv_len != sizeof(struct iwl_ucode_api))
939 goto invalid_tlv_len;
940 iwl_set_ucode_api_flags(drv, tlv_data, capa);
941 break;
942 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
943 if (tlv_len != sizeof(struct iwl_ucode_capa))
944 goto invalid_tlv_len;
945 iwl_set_ucode_capabilities(drv, tlv_data, capa);
946 break;
947 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
948 if (tlv_len != sizeof(u32))
949 goto invalid_tlv_len;
950 pieces->init_evtlog_ptr =
951 le32_to_cpup((const __le32 *)tlv_data);
952 break;
953 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
954 if (tlv_len != sizeof(u32))
955 goto invalid_tlv_len;
956 pieces->init_evtlog_size =
957 le32_to_cpup((const __le32 *)tlv_data);
958 break;
959 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
960 if (tlv_len != sizeof(u32))
961 goto invalid_tlv_len;
962 pieces->init_errlog_ptr =
963 le32_to_cpup((const __le32 *)tlv_data);
964 break;
965 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
966 if (tlv_len != sizeof(u32))
967 goto invalid_tlv_len;
968 pieces->inst_evtlog_ptr =
969 le32_to_cpup((const __le32 *)tlv_data);
970 break;
971 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
972 if (tlv_len != sizeof(u32))
973 goto invalid_tlv_len;
974 pieces->inst_evtlog_size =
975 le32_to_cpup((const __le32 *)tlv_data);
976 break;
977 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
978 if (tlv_len != sizeof(u32))
979 goto invalid_tlv_len;
980 pieces->inst_errlog_ptr =
981 le32_to_cpup((const __le32 *)tlv_data);
982 break;
983 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
984 if (tlv_len)
985 goto invalid_tlv_len;
986 drv->fw.enhance_sensitivity_table = true;
987 break;
988 case IWL_UCODE_TLV_WOWLAN_INST:
989 set_sec_data(pieces, IWL_UCODE_WOWLAN,
990 IWL_UCODE_SECTION_INST, tlv_data);
991 set_sec_size(pieces, IWL_UCODE_WOWLAN,
992 IWL_UCODE_SECTION_INST, tlv_len);
993 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
994 IWL_UCODE_SECTION_INST,
995 IWLAGN_RTC_INST_LOWER_BOUND);
996 break;
997 case IWL_UCODE_TLV_WOWLAN_DATA:
998 set_sec_data(pieces, IWL_UCODE_WOWLAN,
999 IWL_UCODE_SECTION_DATA, tlv_data);
1000 set_sec_size(pieces, IWL_UCODE_WOWLAN,
1001 IWL_UCODE_SECTION_DATA, tlv_len);
1002 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
1003 IWL_UCODE_SECTION_DATA,
1004 IWLAGN_RTC_DATA_LOWER_BOUND);
1005 break;
1006 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
1007 if (tlv_len != sizeof(u32))
1008 goto invalid_tlv_len;
1009 capa->standard_phy_calibration_size =
1010 le32_to_cpup((const __le32 *)tlv_data);
1011 break;
1012 case IWL_UCODE_TLV_SEC_RT:
1013 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR],
1014 tlv_data, tlv_len);
1015 drv->fw.type = IWL_FW_MVM;
1016 break;
1017 case IWL_UCODE_TLV_SEC_INIT:
1018 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT],
1019 tlv_data, tlv_len);
1020 drv->fw.type = IWL_FW_MVM;
1021 break;
1022 case IWL_UCODE_TLV_SEC_WOWLAN:
1023 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN],
1024 tlv_data, tlv_len);
1025 drv->fw.type = IWL_FW_MVM;
1026 break;
1027 case IWL_UCODE_TLV_DEF_CALIB:
1028 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
1029 goto invalid_tlv_len;
1030 if (iwl_set_default_calib(drv, tlv_data))
1031 goto tlv_error;
1032 break;
1033 case IWL_UCODE_TLV_PHY_SKU:
1034 if (tlv_len != sizeof(u32))
1035 goto invalid_tlv_len;
1036 drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data);
1037 drv->fw.valid_tx_ant = (drv->fw.phy_config &
1038 FW_PHY_CFG_TX_CHAIN) >>
1039 FW_PHY_CFG_TX_CHAIN_POS;
1040 drv->fw.valid_rx_ant = (drv->fw.phy_config &
1041 FW_PHY_CFG_RX_CHAIN) >>
1042 FW_PHY_CFG_RX_CHAIN_POS;
1043 break;
1044 case IWL_UCODE_TLV_SECURE_SEC_RT:
1045 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR],
1046 tlv_data, tlv_len);
1047 drv->fw.type = IWL_FW_MVM;
1048 break;
1049 case IWL_UCODE_TLV_SECURE_SEC_INIT:
1050 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT],
1051 tlv_data, tlv_len);
1052 drv->fw.type = IWL_FW_MVM;
1053 break;
1054 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
1055 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN],
1056 tlv_data, tlv_len);
1057 drv->fw.type = IWL_FW_MVM;
1058 break;
1059 case IWL_UCODE_TLV_NUM_OF_CPU:
1060 if (tlv_len != sizeof(u32))
1061 goto invalid_tlv_len;
1062 num_of_cpus =
1063 le32_to_cpup((const __le32 *)tlv_data);
1064
1065 if (num_of_cpus == 2) {
1066 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
1067 true;
1068 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
1069 true;
1070 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
1071 true;
1072 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
1073 IWL_ERR(drv, "Driver support up to 2 CPUs\n");
1074 return -EINVAL;
1075 }
1076 break;
1077 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
1078 if (tlv_len != sizeof(u32))
1079 goto invalid_tlv_len;
1080 capa->n_scan_channels =
1081 le32_to_cpup((const __le32 *)tlv_data);
1082 break;
1083 case IWL_UCODE_TLV_FW_VERSION: {
1084 const __le32 *ptr = (const void *)tlv_data;
1085 u32 major, minor;
1086 u8 local_comp;
1087
1088 if (tlv_len != sizeof(u32) * 3)
1089 goto invalid_tlv_len;
1090
1091 major = le32_to_cpup(ptr++);
1092 minor = le32_to_cpup(ptr++);
1093 local_comp = le32_to_cpup(ptr);
1094
1095 snprintf(drv->fw.fw_version,
1096 sizeof(drv->fw.fw_version),
1097 "%u.%08x.%u %s", major, minor,
1098 local_comp, iwl_reduced_fw_name(drv));
1099 break;
1100 }
1101 case IWL_UCODE_TLV_FW_DBG_DEST: {
1102 const struct iwl_fw_dbg_dest_tlv *dest = NULL;
1103 const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL;
1104 u8 mon_mode;
1105
1106 pieces->dbg_dest_ver = (const u8 *)tlv_data;
1107 if (*pieces->dbg_dest_ver == 1) {
1108 dest = (const void *)tlv_data;
1109 } else if (*pieces->dbg_dest_ver == 0) {
1110 dest_v1 = (const void *)tlv_data;
1111 } else {
1112 IWL_ERR(drv,
1113 "The version is %d, and it is invalid\n",
1114 *pieces->dbg_dest_ver);
1115 break;
1116 }
1117
1118 if (pieces->dbg_dest_tlv_init) {
1119 IWL_ERR(drv,
1120 "dbg destination ignored, already exists\n");
1121 break;
1122 }
1123
1124 pieces->dbg_dest_tlv_init = true;
1125
1126 if (dest_v1) {
1127 pieces->dbg_dest_tlv_v1 = dest_v1;
1128 mon_mode = dest_v1->monitor_mode;
1129 } else {
1130 pieces->dbg_dest_tlv = dest;
1131 mon_mode = dest->monitor_mode;
1132 }
1133
1134 IWL_INFO(drv, "Found debug destination: %s\n",
1135 get_fw_dbg_mode_string(mon_mode));
1136
1137 drv->fw.dbg.n_dest_reg = (dest_v1) ?
1138 tlv_len -
1139 offsetof(struct iwl_fw_dbg_dest_tlv_v1,
1140 reg_ops) :
1141 tlv_len -
1142 offsetof(struct iwl_fw_dbg_dest_tlv,
1143 reg_ops);
1144
1145 drv->fw.dbg.n_dest_reg /=
1146 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]);
1147
1148 break;
1149 }
1150 case IWL_UCODE_TLV_FW_DBG_CONF: {
1151 const struct iwl_fw_dbg_conf_tlv *conf =
1152 (const void *)tlv_data;
1153
1154 if (!pieces->dbg_dest_tlv_init) {
1155 IWL_ERR(drv,
1156 "Ignore dbg config %d - no destination configured\n",
1157 conf->id);
1158 break;
1159 }
1160
1161 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) {
1162 IWL_ERR(drv,
1163 "Skip unknown configuration: %d\n",
1164 conf->id);
1165 break;
1166 }
1167
1168 if (pieces->dbg_conf_tlv[conf->id]) {
1169 IWL_ERR(drv,
1170 "Ignore duplicate dbg config %d\n",
1171 conf->id);
1172 break;
1173 }
1174
1175 if (conf->usniffer)
1176 usniffer_req = true;
1177
1178 IWL_INFO(drv, "Found debug configuration: %d\n",
1179 conf->id);
1180
1181 pieces->dbg_conf_tlv[conf->id] = conf;
1182 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
1183 break;
1184 }
1185 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
1186 const struct iwl_fw_dbg_trigger_tlv *trigger =
1187 (const void *)tlv_data;
1188 u32 trigger_id = le32_to_cpu(trigger->id);
1189
1190 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) {
1191 IWL_ERR(drv,
1192 "Skip unknown trigger: %u\n",
1193 trigger->id);
1194 break;
1195 }
1196
1197 if (pieces->dbg_trigger_tlv[trigger_id]) {
1198 IWL_ERR(drv,
1199 "Ignore duplicate dbg trigger %u\n",
1200 trigger->id);
1201 break;
1202 }
1203
1204 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
1205
1206 pieces->dbg_trigger_tlv[trigger_id] = trigger;
1207 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
1208 break;
1209 }
1210 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: {
1211 if (tlv_len != sizeof(u32)) {
1212 IWL_ERR(drv,
1213 "dbg lst mask size incorrect, skip\n");
1214 break;
1215 }
1216
1217 drv->fw.dbg.dump_mask =
1218 le32_to_cpup((const __le32 *)tlv_data);
1219 break;
1220 }
1221 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
1222 *usniffer_images = true;
1223 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR_USNIFFER],
1224 tlv_data, tlv_len);
1225 break;
1226 case IWL_UCODE_TLV_PAGING:
1227 if (tlv_len != sizeof(u32))
1228 goto invalid_tlv_len;
1229 paging_mem_size = le32_to_cpup((const __le32 *)tlv_data);
1230
1231 IWL_DEBUG_FW(drv,
1232 "Paging: paging enabled (size = %u bytes)\n",
1233 paging_mem_size);
1234
1235 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
1236 IWL_ERR(drv,
1237 "Paging: driver supports up to %lu bytes for paging image\n",
1238 MAX_PAGING_IMAGE_SIZE);
1239 return -EINVAL;
1240 }
1241
1242 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1243 IWL_ERR(drv,
1244 "Paging: image isn't multiple %lu\n",
1245 FW_PAGING_SIZE);
1246 return -EINVAL;
1247 }
1248
1249 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1250 paging_mem_size;
1251 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1252 drv->fw.img[usniffer_img].paging_mem_size =
1253 paging_mem_size;
1254 break;
1255 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1256 /* ignored */
1257 break;
1258 case IWL_UCODE_TLV_FW_MEM_SEG: {
1259 const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1260 (const void *)tlv_data;
1261 size_t size;
1262 struct iwl_fw_dbg_mem_seg_tlv *n;
1263
1264 if (tlv_len != (sizeof(*dbg_mem)))
1265 goto invalid_tlv_len;
1266
1267 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1268 dbg_mem->data_type);
1269
1270 size = sizeof(*pieces->dbg_mem_tlv) *
1271 (pieces->n_mem_tlv + 1);
1272 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);
1273 if (!n)
1274 return -ENOMEM;
1275 pieces->dbg_mem_tlv = n;
1276 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem;
1277 pieces->n_mem_tlv++;
1278 break;
1279 }
1280 case IWL_UCODE_TLV_IML: {
1281 drv->fw.iml_len = tlv_len;
1282 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1283 if (!drv->fw.iml)
1284 return -ENOMEM;
1285 break;
1286 }
1287 case IWL_UCODE_TLV_FW_RECOVERY_INFO: {
1288 const struct {
1289 __le32 buf_addr;
1290 __le32 buf_size;
1291 } *recov_info = (const void *)tlv_data;
1292
1293 if (tlv_len != sizeof(*recov_info))
1294 goto invalid_tlv_len;
1295 capa->error_log_addr =
1296 le32_to_cpu(recov_info->buf_addr);
1297 capa->error_log_size =
1298 le32_to_cpu(recov_info->buf_size);
1299 }
1300 break;
1301 case IWL_UCODE_TLV_FW_FSEQ_VERSION: {
1302 const struct {
1303 u8 version[32];
1304 u8 sha1[20];
1305 } *fseq_ver = (const void *)tlv_data;
1306
1307 if (tlv_len != sizeof(*fseq_ver))
1308 goto invalid_tlv_len;
1309 IWL_DEBUG_INFO(drv,
1310 "TLV_FW_FSEQ_VERSION: %.32s (sha1: %.20s)\n",
1311 fseq_ver->version, fseq_ver->sha1);
1312 }
1313 break;
1314 case IWL_UCODE_TLV_FW_NUM_STATIONS:
1315 if (tlv_len != sizeof(u32))
1316 goto invalid_tlv_len;
1317 if (le32_to_cpup((const __le32 *)tlv_data) >
1318 IWL_STATION_COUNT_MAX) {
1319 IWL_ERR(drv,
1320 "%d is an invalid number of station\n",
1321 le32_to_cpup((const __le32 *)tlv_data));
1322 goto tlv_error;
1323 }
1324 capa->num_stations =
1325 le32_to_cpup((const __le32 *)tlv_data);
1326 break;
1327 case IWL_UCODE_TLV_FW_NUM_LINKS:
1328 if (tlv_len != sizeof(u32))
1329 goto invalid_tlv_len;
1330 if (le32_to_cpup((const __le32 *)tlv_data) >
1331 IWL_FW_MAX_LINKS) {
1332 IWL_ERR(drv,
1333 "%d is an invalid number of links\n",
1334 le32_to_cpup((const __le32 *)tlv_data));
1335 goto tlv_error;
1336 }
1337 capa->num_links =
1338 le32_to_cpup((const __le32 *)tlv_data);
1339 break;
1340 case IWL_UCODE_TLV_FW_NUM_BEACONS:
1341 if (tlv_len != sizeof(u32))
1342 goto invalid_tlv_len;
1343 capa->num_beacons =
1344 le32_to_cpup((const __le32 *)tlv_data);
1345 break;
1346 case IWL_UCODE_TLV_FW_NUM_MCAST_KEY_ENTRIES:
1347 if (tlv_len != sizeof(u32))
1348 goto invalid_tlv_len;
1349 capa->num_mcast_key_entries =
1350 le32_to_cpup((const __le32 *)tlv_data);
1351 break;
1352 case IWL_UCODE_TLV_FW_NAN_MAX_CHAN_SWITCH_TIME:
1353 if (tlv_len != sizeof(u32))
1354 goto invalid_tlv_len;
1355 capa->nan_max_chan_switch_time =
1356 le32_to_cpup((const __le32 *)tlv_data);
1357 break;
1358 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: {
1359 const struct iwl_umac_debug_addrs *dbg_ptrs =
1360 (const void *)tlv_data;
1361
1362 if (tlv_len != sizeof(*dbg_ptrs))
1363 goto invalid_tlv_len;
1364 if (drv->trans->mac_cfg->device_family <
1365 IWL_DEVICE_FAMILY_22000)
1366 break;
1367 drv->trans->dbg.umac_error_event_table =
1368 le32_to_cpu(dbg_ptrs->error_info_addr) &
1369 ~FW_ADDR_CACHE_CONTROL;
1370 drv->trans->dbg.error_event_table_tlv_status |=
1371 IWL_ERROR_EVENT_TABLE_UMAC;
1372 break;
1373 }
1374 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: {
1375 const struct iwl_lmac_debug_addrs *dbg_ptrs =
1376 (const void *)tlv_data;
1377
1378 if (tlv_len != sizeof(*dbg_ptrs))
1379 goto invalid_tlv_len;
1380 if (drv->trans->mac_cfg->device_family <
1381 IWL_DEVICE_FAMILY_22000)
1382 break;
1383 drv->trans->dbg.lmac_error_event_table[0] =
1384 le32_to_cpu(dbg_ptrs->error_event_table_ptr) &
1385 ~FW_ADDR_CACHE_CONTROL;
1386 drv->trans->dbg.error_event_table_tlv_status |=
1387 IWL_ERROR_EVENT_TABLE_LMAC1;
1388 break;
1389 }
1390 case IWL_UCODE_TLV_TYPE_REGIONS:
1391 iwl_parse_dbg_tlv_assert_tables(drv, tlv);
1392 fallthrough;
1393 case IWL_UCODE_TLV_TYPE_DEBUG_INFO:
1394 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:
1395 case IWL_UCODE_TLV_TYPE_HCMD:
1396 case IWL_UCODE_TLV_TYPE_TRIGGERS:
1397 case IWL_UCODE_TLV_TYPE_CONF_SET:
1398 if (iwlwifi_mod_params.enable_ini)
1399 iwl_dbg_tlv_alloc(drv->trans, tlv, false);
1400 break;
1401 case IWL_UCODE_TLV_CMD_VERSIONS:
1402 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) {
1403 IWL_ERR(drv,
1404 "Invalid length for command versions: %u\n",
1405 tlv_len);
1406 tlv_len /= sizeof(struct iwl_fw_cmd_version);
1407 tlv_len *= sizeof(struct iwl_fw_cmd_version);
1408 }
1409 if (WARN_ON(capa->cmd_versions))
1410 return -EINVAL;
1411 capa->cmd_versions = kmemdup(tlv_data, tlv_len,
1412 GFP_KERNEL);
1413 if (!capa->cmd_versions)
1414 return -ENOMEM;
1415 capa->n_cmd_versions =
1416 tlv_len / sizeof(struct iwl_fw_cmd_version);
1417 break;
1418 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION:
1419 if (drv->fw.phy_integration_ver) {
1420 IWL_ERR(drv,
1421 "phy integration str ignored, already exists\n");
1422 break;
1423 }
1424
1425 drv->fw.phy_integration_ver =
1426 kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1427 if (!drv->fw.phy_integration_ver)
1428 return -ENOMEM;
1429 drv->fw.phy_integration_ver_len = tlv_len;
1430 break;
1431 case IWL_UCODE_TLV_SEC_TABLE_ADDR:
1432 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR:
1433 iwl_drv_set_dump_exclude(drv, tlv_type,
1434 tlv_data, tlv_len);
1435 break;
1436 case IWL_UCODE_TLV_CURRENT_PC:
1437 if (tlv_len < sizeof(struct iwl_pc_data))
1438 goto invalid_tlv_len;
1439 drv->trans->dbg.pc_data =
1440 kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1441 if (!drv->trans->dbg.pc_data)
1442 return -ENOMEM;
1443 drv->trans->dbg.num_pc =
1444 tlv_len / sizeof(struct iwl_pc_data);
1445 break;
1446 case IWL_UCODE_TLV_PNVM_DATA:
1447 if (drv->fw.pnvm_data)
1448 break;
1449 drv->fw.pnvm_data =
1450 kvmemdup(tlv_data, tlv_len, GFP_KERNEL);
1451 if (!drv->fw.pnvm_data)
1452 return -ENOMEM;
1453 drv->fw.pnvm_size = tlv_len;
1454 break;
1455 case IWL_UCODE_TLV_CMD_BIOS_TABLE:
1456 if (tlv_len % sizeof(struct iwl_fw_cmd_bios_table)) {
1457 IWL_ERR(drv,
1458 "Invalid length for command bios table: %u\n",
1459 tlv_len);
1460 return -EINVAL;
1461 }
1462
1463 if (capa->cmd_bios_tables) {
1464 IWL_ERR(drv, "Duplicate TLV type 0x%02X detected\n",
1465 tlv_type);
1466 return -EINVAL;
1467 }
1468 capa->cmd_bios_tables = kmemdup(tlv_data, tlv_len,
1469 GFP_KERNEL);
1470 if (!capa->cmd_bios_tables)
1471 return -ENOMEM;
1472 capa->n_cmd_bios_tables =
1473 tlv_len / sizeof(struct iwl_fw_cmd_bios_table);
1474 break;
1475 default:
1476 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1477 break;
1478 }
1479 }
1480
1481 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1482 usniffer_req && !*usniffer_images) {
1483 IWL_ERR(drv,
1484 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1485 return -EINVAL;
1486 }
1487
1488 if (len) {
1489 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1490 iwl_print_hex_dump(drv, IWL_DL_FW, data, len);
1491 return -EINVAL;
1492 }
1493
1494 return 0;
1495
1496 invalid_tlv_len:
1497 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1498 tlv_error:
1499 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1500
1501 return -EINVAL;
1502 }
1503
iwl_alloc_ucode_mem(struct fw_img * out,struct fw_img_parsing * img)1504 static int iwl_alloc_ucode_mem(struct fw_img *out, struct fw_img_parsing *img)
1505 {
1506 struct fw_desc *sec;
1507
1508 sec = kzalloc_objs(*sec, img->sec_counter);
1509 if (!sec)
1510 return -ENOMEM;
1511
1512 out->sec = sec;
1513 out->num_sec = img->sec_counter;
1514
1515 for (int i = 0; i < out->num_sec; i++)
1516 if (iwl_alloc_fw_desc(&sec[i], &img->sec[i]))
1517 return -ENOMEM;
1518
1519 return 0;
1520 }
1521
iwl_alloc_ucode(struct iwl_drv * drv,struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type)1522 static int iwl_alloc_ucode(struct iwl_drv *drv,
1523 struct iwl_firmware_pieces *pieces,
1524 enum iwl_ucode_type type)
1525 {
1526 return iwl_alloc_ucode_mem(&drv->fw.img[type], &pieces->img[type]);
1527 }
1528
validate_sec_sizes(struct iwl_drv * drv,struct iwl_firmware_pieces * pieces,const struct iwl_rf_cfg * cfg)1529 static int validate_sec_sizes(struct iwl_drv *drv,
1530 struct iwl_firmware_pieces *pieces,
1531 const struct iwl_rf_cfg *cfg)
1532 {
1533 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n",
1534 get_sec_size(pieces, IWL_UCODE_REGULAR,
1535 IWL_UCODE_SECTION_INST));
1536 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n",
1537 get_sec_size(pieces, IWL_UCODE_REGULAR,
1538 IWL_UCODE_SECTION_DATA));
1539 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n",
1540 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1541 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n",
1542 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1543
1544 /* Verify that uCode images will fit in card's SRAM. */
1545 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1546 cfg->max_inst_size) {
1547 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n",
1548 get_sec_size(pieces, IWL_UCODE_REGULAR,
1549 IWL_UCODE_SECTION_INST));
1550 return -1;
1551 }
1552
1553 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1554 cfg->max_data_size) {
1555 IWL_ERR(drv, "uCode data len %zd too large to fit in\n",
1556 get_sec_size(pieces, IWL_UCODE_REGULAR,
1557 IWL_UCODE_SECTION_DATA));
1558 return -1;
1559 }
1560
1561 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1562 cfg->max_inst_size) {
1563 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n",
1564 get_sec_size(pieces, IWL_UCODE_INIT,
1565 IWL_UCODE_SECTION_INST));
1566 return -1;
1567 }
1568
1569 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1570 cfg->max_data_size) {
1571 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n",
1572 get_sec_size(pieces, IWL_UCODE_REGULAR,
1573 IWL_UCODE_SECTION_DATA));
1574 return -1;
1575 }
1576 return 0;
1577 }
1578
1579 static struct iwl_op_mode *
_iwl_op_mode_start(struct iwl_drv * drv,struct iwlwifi_opmode_table * op)1580 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1581 {
1582 const struct iwl_op_mode_ops *ops = op->ops;
1583 struct dentry *dbgfs_dir = NULL;
1584 struct iwl_op_mode *op_mode = NULL;
1585 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY;
1586
1587 /* also protects start/stop from racing against each other */
1588 lockdep_assert_held(&iwlwifi_opmode_table_mtx);
1589
1590 for (retry = 0; retry <= max_retry; retry++) {
1591
1592 #ifdef CONFIG_IWLWIFI_DEBUGFS
1593 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1594 drv->dbgfs_drv);
1595 dbgfs_dir = drv->dbgfs_op_mode;
1596 #endif
1597
1598 op_mode = ops->start(drv->trans, drv->trans->cfg,
1599 &drv->fw, dbgfs_dir);
1600
1601 if (!IS_ERR(op_mode))
1602 return op_mode;
1603
1604 if (iwl_trans_is_dead(drv->trans))
1605 break;
1606
1607 #ifdef CONFIG_IWLWIFI_DEBUGFS
1608 debugfs_remove_recursive(drv->dbgfs_op_mode);
1609 drv->dbgfs_op_mode = NULL;
1610 #endif
1611
1612 if (PTR_ERR(op_mode) != -ETIMEDOUT)
1613 break;
1614
1615 IWL_ERR(drv, "retry init count %d\n", retry);
1616 }
1617
1618 return NULL;
1619 }
1620
_iwl_op_mode_stop(struct iwl_drv * drv)1621 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1622 {
1623 /* also protects start/stop from racing against each other */
1624 lockdep_assert_held(&iwlwifi_opmode_table_mtx);
1625
1626 /* op_mode can be NULL if its start failed */
1627 if (drv->op_mode) {
1628 iwl_op_mode_stop(drv->op_mode);
1629 drv->op_mode = NULL;
1630
1631 #ifdef CONFIG_IWLWIFI_DEBUGFS
1632 debugfs_remove_recursive(drv->dbgfs_op_mode);
1633 drv->dbgfs_op_mode = NULL;
1634 #endif
1635 }
1636 }
1637
1638 /*
1639 * iwl_req_fw_callback - callback when firmware was loaded
1640 *
1641 * If loaded successfully, copies the firmware into buffers
1642 * for the card to fetch (via DMA).
1643 */
iwl_req_fw_callback(const struct firmware * ucode_raw,void * context)1644 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1645 {
1646 int min_core, max_core, loaded_core;
1647 struct iwl_drv *drv = context;
1648 struct iwl_fw *fw = &drv->fw;
1649 const struct iwl_ucode_header *ucode;
1650 struct iwlwifi_opmode_table *op;
1651 int err;
1652 struct iwl_firmware_pieces *pieces;
1653 unsigned int api_min, api_max;
1654 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1655 u32 api_ver;
1656 int i;
1657 bool usniffer_images = false;
1658 bool failure = true;
1659
1660 iwl_get_ucode_api_versions(drv->trans, &api_min, &api_max);
1661
1662 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1663 fw->ucode_capa.standard_phy_calibration_size =
1664 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1665 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1666 fw->ucode_capa.num_stations = IWL_STATION_COUNT_MAX;
1667 fw->ucode_capa.num_beacons = 1;
1668 fw->ucode_capa.num_mcast_key_entries = 2;
1669 /* dump all fw memory areas by default */
1670 fw->dbg.dump_mask = 0xffffffff;
1671
1672 pieces = kzalloc_obj(*pieces);
1673 if (!pieces)
1674 goto out_free_fw;
1675
1676 if (!ucode_raw)
1677 goto try_again;
1678
1679 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1680 drv->firmware_name, ucode_raw->size);
1681
1682 /* Make sure that we got at least the API version number */
1683 if (ucode_raw->size < 4) {
1684 IWL_ERR(drv, "File size way too small!\n");
1685 goto try_again;
1686 }
1687
1688 /* Data from ucode file: header followed by uCode images */
1689 ucode = (const struct iwl_ucode_header *)ucode_raw->data;
1690
1691 if (ucode->ver)
1692 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1693 else
1694 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1695 &fw->ucode_capa, &usniffer_images);
1696
1697 if (err)
1698 goto try_again;
1699
1700 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1701 api_ver = drv->fw.ucode_ver;
1702 else
1703 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1704
1705 /*
1706 * api_ver should match the api version forming part of the
1707 * firmware filename ... but we don't check for that and only rely
1708 * on the API version read from firmware header from here on forward
1709 */
1710
1711 /*
1712 * if -cN.ucode file was loaded, core version == file version,
1713 * otherwise core version == file version (API version) - 3
1714 */
1715 if (iwl_api_is_core_number(drv->fw_index))
1716 loaded_core = api_ver;
1717 else
1718 loaded_core = api_ver - API_TO_CORE_OFFS;
1719
1720 min_core = iwl_api_to_core(api_min);
1721 max_core = iwl_api_to_core(api_max);
1722
1723 if (loaded_core < min_core || loaded_core > max_core) {
1724 IWL_ERR(drv,
1725 "Driver unable to support your firmware API. "
1726 "Driver supports FW core %d..%d, firmware is %d.\n",
1727 min_core, max_core, loaded_core);
1728 goto try_again;
1729 }
1730
1731 /*
1732 * In mvm uCode there is no difference between data and instructions
1733 * sections.
1734 */
1735 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces,
1736 drv->trans->cfg))
1737 goto try_again;
1738
1739 /* Allocate ucode buffers for card's bus-master loading ... */
1740
1741 /* Runtime instructions and 2 copies of data:
1742 * 1) unmodified from disk
1743 * 2) backup cache for save/restore during power-downs
1744 */
1745 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1746 if (iwl_alloc_ucode(drv, pieces, i))
1747 goto out_free_fw;
1748
1749 if (pieces->dbg_dest_tlv_init) {
1750 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) +
1751 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1752 drv->fw.dbg.n_dest_reg;
1753
1754 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);
1755
1756 if (!drv->fw.dbg.dest_tlv)
1757 goto out_free_fw;
1758
1759 if (*pieces->dbg_dest_ver == 0) {
1760 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1,
1761 dbg_dest_size);
1762 } else {
1763 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv =
1764 drv->fw.dbg.dest_tlv;
1765
1766 dest_tlv->version = pieces->dbg_dest_tlv->version;
1767 dest_tlv->monitor_mode =
1768 pieces->dbg_dest_tlv->monitor_mode;
1769 dest_tlv->size_power =
1770 pieces->dbg_dest_tlv->size_power;
1771 dest_tlv->wrap_count =
1772 pieces->dbg_dest_tlv->wrap_count;
1773 dest_tlv->write_ptr_reg =
1774 pieces->dbg_dest_tlv->write_ptr_reg;
1775 dest_tlv->base_shift =
1776 pieces->dbg_dest_tlv->base_shift;
1777 memcpy(dest_tlv->reg_ops,
1778 pieces->dbg_dest_tlv->reg_ops,
1779 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1780 drv->fw.dbg.n_dest_reg);
1781
1782 /* In version 1 of the destination tlv, which is
1783 * relevant for internal buffer exclusively,
1784 * the base address is part of given with the length
1785 * of the buffer, and the size shift is give instead of
1786 * end shift. We now store these values in base_reg,
1787 * and end shift, and when dumping the data we'll
1788 * manipulate it for extracting both the length and
1789 * base address */
1790 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg;
1791 dest_tlv->end_shift =
1792 pieces->dbg_dest_tlv->size_shift;
1793 }
1794 }
1795
1796 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) {
1797 if (pieces->dbg_conf_tlv[i]) {
1798 drv->fw.dbg.conf_tlv[i] =
1799 kmemdup(pieces->dbg_conf_tlv[i],
1800 pieces->dbg_conf_tlv_len[i],
1801 GFP_KERNEL);
1802 if (!drv->fw.dbg.conf_tlv[i])
1803 goto out_free_fw;
1804 }
1805 }
1806
1807 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1808
1809 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1810 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1811 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1812 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1813 sizeof(struct iwl_fw_dbg_trigger_cmd);
1814 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1815 sizeof(struct iwl_fw_dbg_trigger_mlme);
1816 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1817 sizeof(struct iwl_fw_dbg_trigger_stats);
1818 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1819 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1820 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1821 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1822 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1823 sizeof(struct iwl_fw_dbg_trigger_time_event);
1824 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1825 sizeof(struct iwl_fw_dbg_trigger_ba);
1826 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1827 sizeof(struct iwl_fw_dbg_trigger_tdls);
1828
1829 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) {
1830 if (pieces->dbg_trigger_tlv[i]) {
1831 /*
1832 * If the trigger isn't long enough, WARN and exit.
1833 * Someone is trying to debug something and he won't
1834 * be able to catch the bug he is trying to chase.
1835 * We'd better be noisy to be sure he knows what's
1836 * going on.
1837 */
1838 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1839 (trigger_tlv_sz[i] +
1840 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1841 goto out_free_fw;
1842 drv->fw.dbg.trigger_tlv_len[i] =
1843 pieces->dbg_trigger_tlv_len[i];
1844 drv->fw.dbg.trigger_tlv[i] =
1845 kmemdup(pieces->dbg_trigger_tlv[i],
1846 drv->fw.dbg.trigger_tlv_len[i],
1847 GFP_KERNEL);
1848 if (!drv->fw.dbg.trigger_tlv[i])
1849 goto out_free_fw;
1850 }
1851 }
1852
1853 /* Now that we can no longer fail, copy information */
1854
1855 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv;
1856 pieces->dbg_mem_tlv = NULL;
1857 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv;
1858
1859 /*
1860 * The (size - 16) / 12 formula is based on the information recorded
1861 * for each event, which is of mode 1 (including timestamp) for all
1862 * new microcodes that include this information.
1863 */
1864 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1865 if (pieces->init_evtlog_size)
1866 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1867 else
1868 fw->init_evtlog_size =
1869 drv->trans->mac_cfg->base->max_event_log_size;
1870 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1871 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1872 if (pieces->inst_evtlog_size)
1873 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1874 else
1875 fw->inst_evtlog_size =
1876 drv->trans->mac_cfg->base->max_event_log_size;
1877 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1878
1879 /*
1880 * figure out the offset of chain noise reset and gain commands
1881 * base on the size of standard phy calibration commands table size
1882 */
1883 if (fw->ucode_capa.standard_phy_calibration_size >
1884 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1885 fw->ucode_capa.standard_phy_calibration_size =
1886 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1887
1888 /* We have our copies now, allow OS release its copies */
1889 release_firmware(ucode_raw);
1890
1891 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans);
1892
1893 mutex_lock(&iwlwifi_opmode_table_mtx);
1894 switch (fw->type) {
1895 case IWL_FW_DVM:
1896 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1897 break;
1898 default:
1899 WARN(1, "Invalid fw type %d\n", fw->type);
1900 fallthrough;
1901 case IWL_FW_MVM:
1902 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1903 break;
1904 }
1905
1906 #if IS_ENABLED(CONFIG_IWLMLD)
1907 if (iwl_drv_is_wifi7_supported(drv->trans))
1908 op = &iwlwifi_opmode_table[MLD_OP_MODE];
1909 #endif
1910
1911 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1912 drv->fw.fw_version, op->name);
1913
1914 /* add this device to the list of devices using this op_mode */
1915 list_add_tail(&drv->list, &op->drv);
1916
1917 if (op->ops) {
1918 drv->op_mode = _iwl_op_mode_start(drv, op);
1919
1920 if (!drv->op_mode) {
1921 mutex_unlock(&iwlwifi_opmode_table_mtx);
1922 goto out_unbind;
1923 }
1924 } else {
1925 request_module_nowait("%s", op->name);
1926 }
1927 mutex_unlock(&iwlwifi_opmode_table_mtx);
1928
1929 complete(&drv->request_firmware_complete);
1930
1931 failure = false;
1932 goto free;
1933
1934 try_again:
1935 /* try next, if any */
1936 release_firmware(ucode_raw);
1937 if (iwl_request_firmware(drv, false))
1938 goto out_unbind;
1939 goto free;
1940
1941 out_free_fw:
1942 release_firmware(ucode_raw);
1943 out_unbind:
1944 complete(&drv->request_firmware_complete);
1945 device_release_driver(drv->trans->dev);
1946 /* drv has just been freed by the release */
1947 failure = false;
1948 free:
1949 if (failure)
1950 iwl_dealloc_ucode(drv);
1951
1952 if (pieces) {
1953 for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
1954 kfree(pieces->img[i].sec);
1955 kfree(pieces->dbg_mem_tlv);
1956 kfree(pieces);
1957 }
1958 }
1959
iwl_drv_start(struct iwl_trans * trans)1960 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
1961 {
1962 struct iwl_drv *drv;
1963 int ret;
1964
1965 drv = kzalloc_obj(*drv);
1966 if (!drv) {
1967 ret = -ENOMEM;
1968 goto err;
1969 }
1970
1971 drv->trans = trans;
1972 drv->dev = trans->dev;
1973
1974 init_completion(&drv->request_firmware_complete);
1975 INIT_LIST_HEAD(&drv->list);
1976
1977 #ifdef CONFIG_IWLWIFI_DEBUGFS
1978 /* Create the device debugfs entries. */
1979 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1980 iwl_dbgfs_root);
1981
1982 /* Create transport layer debugfs dir */
1983 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1984 #endif
1985
1986 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans);
1987 if (iwlwifi_mod_params.enable_ini != ENABLE_INI) {
1988 /* We have a non-default value in the module parameter,
1989 * take its value
1990 */
1991 drv->trans->dbg.domains_bitmap &= 0xffff;
1992 if (iwlwifi_mod_params.enable_ini != IWL_FW_INI_PRESET_DISABLE) {
1993 if (iwlwifi_mod_params.enable_ini > ENABLE_INI) {
1994 IWL_ERR(trans,
1995 "invalid enable_ini module parameter value: max = %d, using 0 instead\n",
1996 ENABLE_INI);
1997 iwlwifi_mod_params.enable_ini = 0;
1998 }
1999 drv->trans->dbg.domains_bitmap =
2000 BIT(IWL_FW_DBG_DOMAIN_POS + iwlwifi_mod_params.enable_ini);
2001 }
2002 }
2003
2004 ret = iwl_request_firmware(drv, true);
2005 if (ret) {
2006 IWL_ERR(trans, "Couldn't request the fw\n");
2007 goto err_fw;
2008 }
2009
2010 return drv;
2011
2012 err_fw:
2013 #ifdef CONFIG_IWLWIFI_DEBUGFS
2014 debugfs_remove_recursive(drv->dbgfs_drv);
2015 #endif
2016 iwl_dbg_tlv_free(drv->trans);
2017 kfree(drv);
2018 err:
2019 return ERR_PTR(ret);
2020 }
2021
iwl_drv_stop(struct iwl_drv * drv)2022 void iwl_drv_stop(struct iwl_drv *drv)
2023 {
2024 wait_for_completion(&drv->request_firmware_complete);
2025
2026 mutex_lock(&iwlwifi_opmode_table_mtx);
2027
2028 _iwl_op_mode_stop(drv);
2029
2030 iwl_dealloc_ucode(drv);
2031
2032 /*
2033 * List is empty (this item wasn't added)
2034 * when firmware loading failed -- in that
2035 * case we can't remove it from any list.
2036 */
2037 if (!list_empty(&drv->list))
2038 list_del(&drv->list);
2039 mutex_unlock(&iwlwifi_opmode_table_mtx);
2040
2041 #ifdef CONFIG_IWLWIFI_DEBUGFS
2042 iwl_trans_debugfs_cleanup(drv->trans);
2043
2044 debugfs_remove_recursive(drv->dbgfs_drv);
2045 #endif
2046
2047 iwl_dbg_tlv_free(drv->trans);
2048
2049 kfree(drv);
2050 }
2051
2052 /* shared module parameters */
2053 struct iwl_mod_params iwlwifi_mod_params = {
2054 .fw_restart = true,
2055 .bt_coex_active = true,
2056 .power_level = IWL_POWER_INDEX_1,
2057 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
2058 .enable_ini = ENABLE_INI,
2059 /* the rest are 0 by default */
2060 };
2061 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
2062
iwl_opmode_register(const char * name,const struct iwl_op_mode_ops * ops)2063 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
2064 {
2065 int i;
2066 struct iwl_drv *drv;
2067 struct iwlwifi_opmode_table *op;
2068
2069 mutex_lock(&iwlwifi_opmode_table_mtx);
2070 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
2071 op = &iwlwifi_opmode_table[i];
2072 if (strcmp(op->name, name))
2073 continue;
2074 op->ops = ops;
2075 /* TODO: need to handle exceptional case */
2076 list_for_each_entry(drv, &op->drv, list)
2077 drv->op_mode = _iwl_op_mode_start(drv, op);
2078
2079 mutex_unlock(&iwlwifi_opmode_table_mtx);
2080 return 0;
2081 }
2082 mutex_unlock(&iwlwifi_opmode_table_mtx);
2083 return -EIO;
2084 }
2085 IWL_EXPORT_SYMBOL(iwl_opmode_register);
2086
iwl_opmode_deregister(const char * name)2087 void iwl_opmode_deregister(const char *name)
2088 {
2089 int i;
2090 struct iwl_drv *drv;
2091
2092 mutex_lock(&iwlwifi_opmode_table_mtx);
2093 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
2094 if (strcmp(iwlwifi_opmode_table[i].name, name))
2095 continue;
2096 iwlwifi_opmode_table[i].ops = NULL;
2097
2098 /* call the stop routine for all devices */
2099 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
2100 _iwl_op_mode_stop(drv);
2101
2102 mutex_unlock(&iwlwifi_opmode_table_mtx);
2103 return;
2104 }
2105 mutex_unlock(&iwlwifi_opmode_table_mtx);
2106 }
2107 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
2108
iwl_drv_init(void)2109 static int __init iwl_drv_init(void)
2110 {
2111 int i, err;
2112
2113 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
2114 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
2115
2116 #ifdef CONFIG_IWLWIFI_DEBUGFS
2117 /* Create the root of iwlwifi debugfs subsystem. */
2118 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
2119 #endif
2120
2121 err = iwl_pci_register_driver();
2122 if (err)
2123 goto cleanup_debugfs;
2124
2125 return 0;
2126
2127 cleanup_debugfs:
2128 #ifdef CONFIG_IWLWIFI_DEBUGFS
2129 debugfs_remove_recursive(iwl_dbgfs_root);
2130 #endif
2131 return err;
2132 }
2133 module_init(iwl_drv_init);
2134
iwl_drv_exit(void)2135 static void __exit iwl_drv_exit(void)
2136 {
2137 iwl_pci_unregister_driver();
2138 iwl_trans_free_restart_list();
2139
2140 #ifdef CONFIG_IWLWIFI_DEBUGFS
2141 debugfs_remove_recursive(iwl_dbgfs_root);
2142 #endif
2143 }
2144 module_exit(iwl_drv_exit);
2145
2146 #ifdef CONFIG_IWLWIFI_DEBUG
2147 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644);
2148 MODULE_PARM_DESC(debug, "debug output mask");
2149 #endif
2150
2151 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444);
2152 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
2153 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444);
2154 MODULE_PARM_DESC(11n_disable,
2155 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
2156 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444);
2157 MODULE_PARM_DESC(amsdu_size,
2158 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, "
2159 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)");
2160 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);
2161 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
2162
2163 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);
2164 MODULE_PARM_DESC(nvm_file, "NVM file name");
2165
2166 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);
2167 MODULE_PARM_DESC(uapsd_disable,
2168 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
2169
2170 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, uint, 0444);
2171 MODULE_PARM_DESC(enable_ini,
2172 "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined,"
2173 "Debug INI TLV FW debug infrastructure (default: 16)");
2174
2175 /*
2176 * set bt_coex_active to true, uCode will do kill/defer
2177 * every time the priority line is asserted (BT is sending signals on the
2178 * priority line in the PCIx).
2179 * set bt_coex_active to false, uCode will ignore the BT activity and
2180 * perform the normal operation
2181 *
2182 * User might experience transmit issue on some platform due to WiFi/BT
2183 * co-exist problem. The possible behaviors are:
2184 * Able to scan and finding all the available AP
2185 * Not able to associate with any AP
2186 * On those platforms, WiFi communication can be restored by set
2187 * "bt_coex_active" module parameter to "false"
2188 *
2189 * default: bt_coex_active = true (BT_COEX_ENABLE)
2190 */
2191 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
2192 bool, 0444);
2193 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
2194
2195 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444);
2196 MODULE_PARM_DESC(led_mode, "0=system default, "
2197 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
2198
2199 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444);
2200 MODULE_PARM_DESC(power_save,
2201 "enable WiFi power management (default: disable)");
2202
2203 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444);
2204 MODULE_PARM_DESC(power_level,
2205 "default power save level (range from 1 - 5, default: 1)");
2206
2207 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);
2208 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
2209
2210 module_param_named(remove_when_gone,
2211 iwlwifi_mod_params.remove_when_gone, bool,
2212 0444);
2213 MODULE_PARM_DESC(remove_when_gone,
2214 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)");
2215
2216 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool,
2217 S_IRUGO);
2218 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
2219
2220 module_param_named(disable_11be, iwlwifi_mod_params.disable_11be, bool, 0444);
2221 MODULE_PARM_DESC(disable_11be, "Disable EHT capabilities (default: false)");
2222