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 }; 108 109 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 } 115 116 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 } 123 124 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 } 146 147 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 } 167 168 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 } 176 177 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 } 181 182 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); 235 236 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 }; 332 333 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 } 352 353 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 } 362 363 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 } 372 373 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 } 379 380 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 */ 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 } 421 422 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 } 439 440 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 } 460 461 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 } 481 482 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 } 491 492 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 } 590 591 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 } 627 628 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 } 687 688 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 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 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 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 * 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 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 */ 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 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 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 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 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 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 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