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