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