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