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