1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2005-2014, 2018-2021 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 26 /****************************************************************************** 27 * 28 * module boiler plate 29 * 30 ******************************************************************************/ 31 32 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 33 MODULE_DESCRIPTION(DRV_DESCRIPTION); 34 MODULE_LICENSE("GPL"); 35 36 #ifdef CONFIG_IWLWIFI_DEBUGFS 37 static struct dentry *iwl_dbgfs_root; 38 #endif 39 40 /** 41 * struct iwl_drv - drv common data 42 * @list: list of drv structures using this opmode 43 * @fw: the iwl_fw structure 44 * @op_mode: the running op_mode 45 * @trans: transport layer 46 * @dev: for debug prints only 47 * @fw_index: firmware revision to try loading 48 * @firmware_name: composite filename of ucode file to load 49 * @request_firmware_complete: the firmware has been obtained from user space 50 * @dbgfs_drv: debugfs root directory entry 51 * @dbgfs_trans: debugfs transport directory entry 52 * @dbgfs_op_mode: debugfs op_mode directory entry 53 */ 54 struct iwl_drv { 55 struct list_head list; 56 struct iwl_fw fw; 57 58 struct iwl_op_mode *op_mode; 59 struct iwl_trans *trans; 60 struct device *dev; 61 62 int fw_index; /* firmware we're trying to load */ 63 char firmware_name[64]; /* name of firmware file to load */ 64 65 struct completion request_firmware_complete; 66 67 #ifdef CONFIG_IWLWIFI_DEBUGFS 68 struct dentry *dbgfs_drv; 69 struct dentry *dbgfs_trans; 70 struct dentry *dbgfs_op_mode; 71 #endif 72 }; 73 74 enum { 75 DVM_OP_MODE, 76 MVM_OP_MODE, 77 }; 78 79 /* Protects the table contents, i.e. the ops pointer & drv list */ 80 static DEFINE_MUTEX(iwlwifi_opmode_table_mtx); 81 static struct iwlwifi_opmode_table { 82 const char *name; /* name: iwldvm, iwlmvm, etc */ 83 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 84 struct list_head drv; /* list of devices using this op_mode */ 85 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 86 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 87 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 88 }; 89 90 #define IWL_DEFAULT_SCAN_CHANNELS 40 91 92 /* 93 * struct fw_sec: Just for the image parsing process. 94 * For the fw storage we are using struct fw_desc. 95 */ 96 struct fw_sec { 97 const void *data; /* the sec data */ 98 size_t size; /* section size */ 99 u32 offset; /* offset of writing in the device */ 100 }; 101 102 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 103 { 104 vfree(desc->data); 105 desc->data = NULL; 106 desc->len = 0; 107 } 108 109 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 110 { 111 int i; 112 for (i = 0; i < img->num_sec; i++) 113 iwl_free_fw_desc(drv, &img->sec[i]); 114 kfree(img->sec); 115 } 116 117 static void iwl_dealloc_ucode(struct iwl_drv *drv) 118 { 119 int i; 120 121 kfree(drv->fw.dbg.dest_tlv); 122 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 123 kfree(drv->fw.dbg.conf_tlv[i]); 124 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 125 kfree(drv->fw.dbg.trigger_tlv[i]); 126 kfree(drv->fw.dbg.mem_tlv); 127 kfree(drv->fw.iml); 128 kfree(drv->fw.ucode_capa.cmd_versions); 129 kfree(drv->fw.phy_integration_ver); 130 131 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 132 iwl_free_fw_img(drv, drv->fw.img + i); 133 134 /* clear the data for the aborted load case */ 135 memset(&drv->fw, 0, sizeof(drv->fw)); 136 } 137 138 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 139 struct fw_sec *sec) 140 { 141 void *data; 142 143 desc->data = NULL; 144 145 if (!sec || !sec->size) 146 return -EINVAL; 147 148 data = vmalloc(sec->size); 149 if (!data) 150 return -ENOMEM; 151 152 desc->len = sec->size; 153 desc->offset = sec->offset; 154 memcpy(data, sec->data, desc->len); 155 desc->data = data; 156 157 return 0; 158 } 159 160 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 161 void *context); 162 163 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 164 { 165 const struct iwl_cfg *cfg = drv->trans->cfg; 166 char tag[8]; 167 168 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && 169 (drv->trans->hw_rev_step != SILICON_B_STEP && 170 drv->trans->hw_rev_step != SILICON_C_STEP)) { 171 IWL_ERR(drv, 172 "Only HW steps B and C are currently supported (0x%0x)\n", 173 drv->trans->hw_rev); 174 return -EINVAL; 175 } 176 177 if (first) { 178 drv->fw_index = cfg->ucode_api_max; 179 sprintf(tag, "%d", drv->fw_index); 180 } else { 181 drv->fw_index--; 182 sprintf(tag, "%d", drv->fw_index); 183 } 184 185 if (drv->fw_index < cfg->ucode_api_min) { 186 IWL_ERR(drv, "no suitable firmware found!\n"); 187 188 if (cfg->ucode_api_min == cfg->ucode_api_max) { 189 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, 190 cfg->ucode_api_max); 191 } else { 192 IWL_ERR(drv, "minimum version required: %s%d\n", 193 cfg->fw_name_pre, cfg->ucode_api_min); 194 IWL_ERR(drv, "maximum version supported: %s%d\n", 195 cfg->fw_name_pre, cfg->ucode_api_max); 196 } 197 198 IWL_ERR(drv, 199 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 200 return -ENOENT; 201 } 202 203 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 204 cfg->fw_name_pre, tag); 205 206 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", 207 drv->firmware_name); 208 209 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 210 drv->trans->dev, 211 GFP_KERNEL, drv, iwl_req_fw_callback); 212 } 213 214 struct fw_img_parsing { 215 struct fw_sec *sec; 216 int sec_counter; 217 }; 218 219 /* 220 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 221 */ 222 struct fw_sec_parsing { 223 __le32 offset; 224 const u8 data[]; 225 } __packed; 226 227 /** 228 * struct iwl_tlv_calib_data - parse the default calib data from TLV 229 * 230 * @ucode_type: the uCode to which the following default calib relates. 231 * @calib: default calibrations. 232 */ 233 struct iwl_tlv_calib_data { 234 __le32 ucode_type; 235 struct iwl_tlv_calib_ctrl calib; 236 } __packed; 237 238 struct iwl_firmware_pieces { 239 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 240 241 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 242 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 243 244 /* FW debug data parsed for driver usage */ 245 bool dbg_dest_tlv_init; 246 const u8 *dbg_dest_ver; 247 union { 248 const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 249 const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 250 }; 251 const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 252 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 253 const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 254 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 255 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 256 size_t n_mem_tlv; 257 }; 258 259 /* 260 * These functions are just to extract uCode section data from the pieces 261 * structure. 262 */ 263 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 264 enum iwl_ucode_type type, 265 int sec) 266 { 267 return &pieces->img[type].sec[sec]; 268 } 269 270 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 271 enum iwl_ucode_type type, 272 int sec) 273 { 274 struct fw_img_parsing *img = &pieces->img[type]; 275 struct fw_sec *sec_memory; 276 int size = sec + 1; 277 size_t alloc_size = sizeof(*img->sec) * size; 278 279 if (img->sec && img->sec_counter >= size) 280 return; 281 282 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 283 if (!sec_memory) 284 return; 285 286 img->sec = sec_memory; 287 img->sec_counter = size; 288 } 289 290 static void set_sec_data(struct iwl_firmware_pieces *pieces, 291 enum iwl_ucode_type type, 292 int sec, 293 const void *data) 294 { 295 alloc_sec_data(pieces, type, sec); 296 297 pieces->img[type].sec[sec].data = data; 298 } 299 300 static void set_sec_size(struct iwl_firmware_pieces *pieces, 301 enum iwl_ucode_type type, 302 int sec, 303 size_t size) 304 { 305 alloc_sec_data(pieces, type, sec); 306 307 pieces->img[type].sec[sec].size = size; 308 } 309 310 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 311 enum iwl_ucode_type type, 312 int sec) 313 { 314 return pieces->img[type].sec[sec].size; 315 } 316 317 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 318 enum iwl_ucode_type type, 319 int sec, 320 u32 offset) 321 { 322 alloc_sec_data(pieces, type, sec); 323 324 pieces->img[type].sec[sec].offset = offset; 325 } 326 327 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 328 { 329 int i, j; 330 const struct iwl_fw_cscheme_list *l = 331 (const struct iwl_fw_cscheme_list *)data; 332 const struct iwl_fw_cipher_scheme *fwcs; 333 334 if (len < sizeof(*l) || 335 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 336 return -EINVAL; 337 338 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 339 fwcs = &l->cs[j]; 340 341 /* we skip schemes with zero cipher suite selector */ 342 if (!fwcs->cipher) 343 continue; 344 345 fw->cs[j++] = *fwcs; 346 } 347 348 return 0; 349 } 350 351 /* 352 * Gets uCode section from tlv. 353 */ 354 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 355 const void *data, enum iwl_ucode_type type, 356 int size) 357 { 358 struct fw_img_parsing *img; 359 struct fw_sec *sec; 360 const struct fw_sec_parsing *sec_parse; 361 size_t alloc_size; 362 363 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 364 return -1; 365 366 sec_parse = (const struct fw_sec_parsing *)data; 367 368 img = &pieces->img[type]; 369 370 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 371 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 372 if (!sec) 373 return -ENOMEM; 374 img->sec = sec; 375 376 sec = &img->sec[img->sec_counter]; 377 378 sec->offset = le32_to_cpu(sec_parse->offset); 379 sec->data = sec_parse->data; 380 sec->size = size - sizeof(sec_parse->offset); 381 382 ++img->sec_counter; 383 384 return 0; 385 } 386 387 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 388 { 389 const struct iwl_tlv_calib_data *def_calib = 390 (const struct iwl_tlv_calib_data *)data; 391 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 392 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 393 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 394 ucode_type); 395 return -EINVAL; 396 } 397 drv->fw.default_calib[ucode_type].flow_trigger = 398 def_calib->calib.flow_trigger; 399 drv->fw.default_calib[ucode_type].event_trigger = 400 def_calib->calib.event_trigger; 401 402 return 0; 403 } 404 405 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 406 struct iwl_ucode_capabilities *capa) 407 { 408 const struct iwl_ucode_api *ucode_api = (const void *)data; 409 u32 api_index = le32_to_cpu(ucode_api->api_index); 410 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 411 int i; 412 413 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 414 IWL_WARN(drv, 415 "api flags index %d larger than supported by driver\n", 416 api_index); 417 return; 418 } 419 420 for (i = 0; i < 32; i++) { 421 if (api_flags & BIT(i)) 422 __set_bit(i + 32 * api_index, capa->_api); 423 } 424 } 425 426 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 427 struct iwl_ucode_capabilities *capa) 428 { 429 const struct iwl_ucode_capa *ucode_capa = (const void *)data; 430 u32 api_index = le32_to_cpu(ucode_capa->api_index); 431 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 432 int i; 433 434 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 435 IWL_WARN(drv, 436 "capa flags index %d larger than supported by driver\n", 437 api_index); 438 return; 439 } 440 441 for (i = 0; i < 32; i++) { 442 if (api_flags & BIT(i)) 443 __set_bit(i + 32 * api_index, capa->_capa); 444 } 445 } 446 447 static const char *iwl_reduced_fw_name(struct iwl_drv *drv) 448 { 449 const char *name = drv->firmware_name; 450 451 if (strncmp(name, "iwlwifi-", 8) == 0) 452 name += 8; 453 454 return name; 455 } 456 457 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 458 const struct firmware *ucode_raw, 459 struct iwl_firmware_pieces *pieces) 460 { 461 const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data; 462 u32 api_ver, hdr_size, build; 463 char buildstr[25]; 464 const u8 *src; 465 466 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 467 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 468 469 switch (api_ver) { 470 default: 471 hdr_size = 28; 472 if (ucode_raw->size < hdr_size) { 473 IWL_ERR(drv, "File size too small!\n"); 474 return -EINVAL; 475 } 476 build = le32_to_cpu(ucode->u.v2.build); 477 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 478 le32_to_cpu(ucode->u.v2.inst_size)); 479 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 480 le32_to_cpu(ucode->u.v2.data_size)); 481 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 482 le32_to_cpu(ucode->u.v2.init_size)); 483 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 484 le32_to_cpu(ucode->u.v2.init_data_size)); 485 src = ucode->u.v2.data; 486 break; 487 case 0: 488 case 1: 489 case 2: 490 hdr_size = 24; 491 if (ucode_raw->size < hdr_size) { 492 IWL_ERR(drv, "File size too small!\n"); 493 return -EINVAL; 494 } 495 build = 0; 496 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 497 le32_to_cpu(ucode->u.v1.inst_size)); 498 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 499 le32_to_cpu(ucode->u.v1.data_size)); 500 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 501 le32_to_cpu(ucode->u.v1.init_size)); 502 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 503 le32_to_cpu(ucode->u.v1.init_data_size)); 504 src = ucode->u.v1.data; 505 break; 506 } 507 508 if (build) 509 sprintf(buildstr, " build %u", build); 510 else 511 buildstr[0] = '\0'; 512 513 snprintf(drv->fw.fw_version, 514 sizeof(drv->fw.fw_version), 515 "%u.%u.%u.%u%s %s", 516 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 517 IWL_UCODE_MINOR(drv->fw.ucode_ver), 518 IWL_UCODE_API(drv->fw.ucode_ver), 519 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 520 buildstr, iwl_reduced_fw_name(drv)); 521 522 /* Verify size of file vs. image size info in file's header */ 523 524 if (ucode_raw->size != hdr_size + 525 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 526 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 527 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 528 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 529 530 IWL_ERR(drv, 531 "uCode file size %d does not match expected size\n", 532 (int)ucode_raw->size); 533 return -EINVAL; 534 } 535 536 537 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 538 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 539 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 540 IWLAGN_RTC_INST_LOWER_BOUND); 541 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 542 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 543 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 544 IWLAGN_RTC_DATA_LOWER_BOUND); 545 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 546 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 547 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 548 IWLAGN_RTC_INST_LOWER_BOUND); 549 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 550 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 551 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 552 IWLAGN_RTC_DATA_LOWER_BOUND); 553 return 0; 554 } 555 556 static void iwl_drv_set_dump_exclude(struct iwl_drv *drv, 557 enum iwl_ucode_tlv_type tlv_type, 558 const void *tlv_data, u32 tlv_len) 559 { 560 const struct iwl_fw_dump_exclude *fw = tlv_data; 561 struct iwl_dump_exclude *excl; 562 563 if (tlv_len < sizeof(*fw)) 564 return; 565 566 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) { 567 excl = &drv->fw.dump_excl[0]; 568 569 /* second time we find this, it's for WoWLAN */ 570 if (excl->addr) 571 excl = &drv->fw.dump_excl_wowlan[0]; 572 } else if (fw_has_capa(&drv->fw.ucode_capa, 573 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) { 574 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */ 575 excl = &drv->fw.dump_excl[0]; 576 } else { 577 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */ 578 excl = &drv->fw.dump_excl_wowlan[0]; 579 } 580 581 if (excl->addr) 582 excl++; 583 584 if (excl->addr) { 585 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n"); 586 return; 587 } 588 589 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL; 590 excl->size = le32_to_cpu(fw->size); 591 } 592 593 static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv, 594 const struct iwl_ucode_tlv *tlv) 595 { 596 const struct iwl_fw_ini_region_tlv *region; 597 u32 length = le32_to_cpu(tlv->length); 598 u32 addr; 599 600 if (length < offsetof(typeof(*region), special_mem) + 601 sizeof(region->special_mem)) 602 return; 603 604 region = (void *)tlv->data; 605 addr = le32_to_cpu(region->special_mem.base_addr); 606 addr += le32_to_cpu(region->special_mem.offset); 607 addr &= ~FW_ADDR_CACHE_CONTROL; 608 609 if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY) 610 return; 611 612 switch (region->sub_type) { 613 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE: 614 drv->trans->dbg.umac_error_event_table = addr; 615 drv->trans->dbg.error_event_table_tlv_status |= 616 IWL_ERROR_EVENT_TABLE_UMAC; 617 break; 618 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE: 619 drv->trans->dbg.lmac_error_event_table[0] = addr; 620 drv->trans->dbg.error_event_table_tlv_status |= 621 IWL_ERROR_EVENT_TABLE_LMAC1; 622 break; 623 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE: 624 drv->trans->dbg.lmac_error_event_table[1] = addr; 625 drv->trans->dbg.error_event_table_tlv_status |= 626 IWL_ERROR_EVENT_TABLE_LMAC2; 627 break; 628 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE: 629 drv->trans->dbg.tcm_error_event_table[0] = addr; 630 drv->trans->dbg.error_event_table_tlv_status |= 631 IWL_ERROR_EVENT_TABLE_TCM1; 632 break; 633 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE: 634 drv->trans->dbg.tcm_error_event_table[1] = addr; 635 drv->trans->dbg.error_event_table_tlv_status |= 636 IWL_ERROR_EVENT_TABLE_TCM2; 637 break; 638 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE: 639 drv->trans->dbg.rcm_error_event_table[0] = addr; 640 drv->trans->dbg.error_event_table_tlv_status |= 641 IWL_ERROR_EVENT_TABLE_RCM1; 642 break; 643 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE: 644 drv->trans->dbg.rcm_error_event_table[1] = addr; 645 drv->trans->dbg.error_event_table_tlv_status |= 646 IWL_ERROR_EVENT_TABLE_RCM2; 647 break; 648 default: 649 break; 650 } 651 } 652 653 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 654 const struct firmware *ucode_raw, 655 struct iwl_firmware_pieces *pieces, 656 struct iwl_ucode_capabilities *capa, 657 bool *usniffer_images) 658 { 659 const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data; 660 const struct iwl_ucode_tlv *tlv; 661 size_t len = ucode_raw->size; 662 const u8 *data; 663 u32 tlv_len; 664 u32 usniffer_img; 665 enum iwl_ucode_tlv_type tlv_type; 666 const u8 *tlv_data; 667 char buildstr[25]; 668 u32 build, paging_mem_size; 669 int num_of_cpus; 670 bool usniffer_req = false; 671 672 if (len < sizeof(*ucode)) { 673 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 674 return -EINVAL; 675 } 676 677 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 678 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 679 le32_to_cpu(ucode->magic)); 680 return -EINVAL; 681 } 682 683 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 684 memcpy(drv->fw.human_readable, ucode->human_readable, 685 sizeof(drv->fw.human_readable)); 686 build = le32_to_cpu(ucode->build); 687 688 if (build) 689 sprintf(buildstr, " build %u", build); 690 else 691 buildstr[0] = '\0'; 692 693 snprintf(drv->fw.fw_version, 694 sizeof(drv->fw.fw_version), 695 "%u.%u.%u.%u%s %s", 696 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 697 IWL_UCODE_MINOR(drv->fw.ucode_ver), 698 IWL_UCODE_API(drv->fw.ucode_ver), 699 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 700 buildstr, iwl_reduced_fw_name(drv)); 701 702 data = ucode->data; 703 704 len -= sizeof(*ucode); 705 706 while (len >= sizeof(*tlv)) { 707 len -= sizeof(*tlv); 708 709 tlv = (const void *)data; 710 tlv_len = le32_to_cpu(tlv->length); 711 tlv_type = le32_to_cpu(tlv->type); 712 tlv_data = tlv->data; 713 714 if (len < tlv_len) { 715 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 716 len, tlv_len); 717 return -EINVAL; 718 } 719 len -= ALIGN(tlv_len, 4); 720 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 721 722 switch (tlv_type) { 723 case IWL_UCODE_TLV_INST: 724 set_sec_data(pieces, IWL_UCODE_REGULAR, 725 IWL_UCODE_SECTION_INST, tlv_data); 726 set_sec_size(pieces, IWL_UCODE_REGULAR, 727 IWL_UCODE_SECTION_INST, tlv_len); 728 set_sec_offset(pieces, IWL_UCODE_REGULAR, 729 IWL_UCODE_SECTION_INST, 730 IWLAGN_RTC_INST_LOWER_BOUND); 731 break; 732 case IWL_UCODE_TLV_DATA: 733 set_sec_data(pieces, IWL_UCODE_REGULAR, 734 IWL_UCODE_SECTION_DATA, tlv_data); 735 set_sec_size(pieces, IWL_UCODE_REGULAR, 736 IWL_UCODE_SECTION_DATA, tlv_len); 737 set_sec_offset(pieces, IWL_UCODE_REGULAR, 738 IWL_UCODE_SECTION_DATA, 739 IWLAGN_RTC_DATA_LOWER_BOUND); 740 break; 741 case IWL_UCODE_TLV_INIT: 742 set_sec_data(pieces, IWL_UCODE_INIT, 743 IWL_UCODE_SECTION_INST, tlv_data); 744 set_sec_size(pieces, IWL_UCODE_INIT, 745 IWL_UCODE_SECTION_INST, tlv_len); 746 set_sec_offset(pieces, IWL_UCODE_INIT, 747 IWL_UCODE_SECTION_INST, 748 IWLAGN_RTC_INST_LOWER_BOUND); 749 break; 750 case IWL_UCODE_TLV_INIT_DATA: 751 set_sec_data(pieces, IWL_UCODE_INIT, 752 IWL_UCODE_SECTION_DATA, tlv_data); 753 set_sec_size(pieces, IWL_UCODE_INIT, 754 IWL_UCODE_SECTION_DATA, tlv_len); 755 set_sec_offset(pieces, IWL_UCODE_INIT, 756 IWL_UCODE_SECTION_DATA, 757 IWLAGN_RTC_DATA_LOWER_BOUND); 758 break; 759 case IWL_UCODE_TLV_BOOT: 760 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 761 break; 762 case IWL_UCODE_TLV_PROBE_MAX_LEN: 763 if (tlv_len != sizeof(u32)) 764 goto invalid_tlv_len; 765 capa->max_probe_length = 766 le32_to_cpup((const __le32 *)tlv_data); 767 break; 768 case IWL_UCODE_TLV_PAN: 769 if (tlv_len) 770 goto invalid_tlv_len; 771 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 772 break; 773 case IWL_UCODE_TLV_FLAGS: 774 /* must be at least one u32 */ 775 if (tlv_len < sizeof(u32)) 776 goto invalid_tlv_len; 777 /* and a proper number of u32s */ 778 if (tlv_len % sizeof(u32)) 779 goto invalid_tlv_len; 780 /* 781 * This driver only reads the first u32 as 782 * right now no more features are defined, 783 * if that changes then either the driver 784 * will not work with the new firmware, or 785 * it'll not take advantage of new features. 786 */ 787 capa->flags = le32_to_cpup((const __le32 *)tlv_data); 788 break; 789 case IWL_UCODE_TLV_API_CHANGES_SET: 790 if (tlv_len != sizeof(struct iwl_ucode_api)) 791 goto invalid_tlv_len; 792 iwl_set_ucode_api_flags(drv, tlv_data, capa); 793 break; 794 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 795 if (tlv_len != sizeof(struct iwl_ucode_capa)) 796 goto invalid_tlv_len; 797 iwl_set_ucode_capabilities(drv, tlv_data, capa); 798 break; 799 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 800 if (tlv_len != sizeof(u32)) 801 goto invalid_tlv_len; 802 pieces->init_evtlog_ptr = 803 le32_to_cpup((const __le32 *)tlv_data); 804 break; 805 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 806 if (tlv_len != sizeof(u32)) 807 goto invalid_tlv_len; 808 pieces->init_evtlog_size = 809 le32_to_cpup((const __le32 *)tlv_data); 810 break; 811 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 812 if (tlv_len != sizeof(u32)) 813 goto invalid_tlv_len; 814 pieces->init_errlog_ptr = 815 le32_to_cpup((const __le32 *)tlv_data); 816 break; 817 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 818 if (tlv_len != sizeof(u32)) 819 goto invalid_tlv_len; 820 pieces->inst_evtlog_ptr = 821 le32_to_cpup((const __le32 *)tlv_data); 822 break; 823 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 824 if (tlv_len != sizeof(u32)) 825 goto invalid_tlv_len; 826 pieces->inst_evtlog_size = 827 le32_to_cpup((const __le32 *)tlv_data); 828 break; 829 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 830 if (tlv_len != sizeof(u32)) 831 goto invalid_tlv_len; 832 pieces->inst_errlog_ptr = 833 le32_to_cpup((const __le32 *)tlv_data); 834 break; 835 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 836 if (tlv_len) 837 goto invalid_tlv_len; 838 drv->fw.enhance_sensitivity_table = true; 839 break; 840 case IWL_UCODE_TLV_WOWLAN_INST: 841 set_sec_data(pieces, IWL_UCODE_WOWLAN, 842 IWL_UCODE_SECTION_INST, tlv_data); 843 set_sec_size(pieces, IWL_UCODE_WOWLAN, 844 IWL_UCODE_SECTION_INST, tlv_len); 845 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 846 IWL_UCODE_SECTION_INST, 847 IWLAGN_RTC_INST_LOWER_BOUND); 848 break; 849 case IWL_UCODE_TLV_WOWLAN_DATA: 850 set_sec_data(pieces, IWL_UCODE_WOWLAN, 851 IWL_UCODE_SECTION_DATA, tlv_data); 852 set_sec_size(pieces, IWL_UCODE_WOWLAN, 853 IWL_UCODE_SECTION_DATA, tlv_len); 854 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 855 IWL_UCODE_SECTION_DATA, 856 IWLAGN_RTC_DATA_LOWER_BOUND); 857 break; 858 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 859 if (tlv_len != sizeof(u32)) 860 goto invalid_tlv_len; 861 capa->standard_phy_calibration_size = 862 le32_to_cpup((const __le32 *)tlv_data); 863 break; 864 case IWL_UCODE_TLV_SEC_RT: 865 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 866 tlv_len); 867 drv->fw.type = IWL_FW_MVM; 868 break; 869 case IWL_UCODE_TLV_SEC_INIT: 870 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 871 tlv_len); 872 drv->fw.type = IWL_FW_MVM; 873 break; 874 case IWL_UCODE_TLV_SEC_WOWLAN: 875 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 876 tlv_len); 877 drv->fw.type = IWL_FW_MVM; 878 break; 879 case IWL_UCODE_TLV_DEF_CALIB: 880 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 881 goto invalid_tlv_len; 882 if (iwl_set_default_calib(drv, tlv_data)) 883 goto tlv_error; 884 break; 885 case IWL_UCODE_TLV_PHY_SKU: 886 if (tlv_len != sizeof(u32)) 887 goto invalid_tlv_len; 888 drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data); 889 drv->fw.valid_tx_ant = (drv->fw.phy_config & 890 FW_PHY_CFG_TX_CHAIN) >> 891 FW_PHY_CFG_TX_CHAIN_POS; 892 drv->fw.valid_rx_ant = (drv->fw.phy_config & 893 FW_PHY_CFG_RX_CHAIN) >> 894 FW_PHY_CFG_RX_CHAIN_POS; 895 break; 896 case IWL_UCODE_TLV_SECURE_SEC_RT: 897 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 898 tlv_len); 899 drv->fw.type = IWL_FW_MVM; 900 break; 901 case IWL_UCODE_TLV_SECURE_SEC_INIT: 902 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 903 tlv_len); 904 drv->fw.type = IWL_FW_MVM; 905 break; 906 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 907 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 908 tlv_len); 909 drv->fw.type = IWL_FW_MVM; 910 break; 911 case IWL_UCODE_TLV_NUM_OF_CPU: 912 if (tlv_len != sizeof(u32)) 913 goto invalid_tlv_len; 914 num_of_cpus = 915 le32_to_cpup((const __le32 *)tlv_data); 916 917 if (num_of_cpus == 2) { 918 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 919 true; 920 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 921 true; 922 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 923 true; 924 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 925 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 926 return -EINVAL; 927 } 928 break; 929 case IWL_UCODE_TLV_CSCHEME: 930 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 931 goto invalid_tlv_len; 932 break; 933 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 934 if (tlv_len != sizeof(u32)) 935 goto invalid_tlv_len; 936 capa->n_scan_channels = 937 le32_to_cpup((const __le32 *)tlv_data); 938 break; 939 case IWL_UCODE_TLV_FW_VERSION: { 940 const __le32 *ptr = (const void *)tlv_data; 941 u32 major, minor; 942 u8 local_comp; 943 944 if (tlv_len != sizeof(u32) * 3) 945 goto invalid_tlv_len; 946 947 major = le32_to_cpup(ptr++); 948 minor = le32_to_cpup(ptr++); 949 local_comp = le32_to_cpup(ptr); 950 951 if (major >= 35) 952 snprintf(drv->fw.fw_version, 953 sizeof(drv->fw.fw_version), 954 "%u.%08x.%u %s", major, minor, 955 local_comp, iwl_reduced_fw_name(drv)); 956 else 957 snprintf(drv->fw.fw_version, 958 sizeof(drv->fw.fw_version), 959 "%u.%u.%u %s", major, minor, 960 local_comp, iwl_reduced_fw_name(drv)); 961 break; 962 } 963 case IWL_UCODE_TLV_FW_DBG_DEST: { 964 const struct iwl_fw_dbg_dest_tlv *dest = NULL; 965 const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 966 u8 mon_mode; 967 968 pieces->dbg_dest_ver = (const u8 *)tlv_data; 969 if (*pieces->dbg_dest_ver == 1) { 970 dest = (const void *)tlv_data; 971 } else if (*pieces->dbg_dest_ver == 0) { 972 dest_v1 = (const void *)tlv_data; 973 } else { 974 IWL_ERR(drv, 975 "The version is %d, and it is invalid\n", 976 *pieces->dbg_dest_ver); 977 break; 978 } 979 980 if (pieces->dbg_dest_tlv_init) { 981 IWL_ERR(drv, 982 "dbg destination ignored, already exists\n"); 983 break; 984 } 985 986 pieces->dbg_dest_tlv_init = true; 987 988 if (dest_v1) { 989 pieces->dbg_dest_tlv_v1 = dest_v1; 990 mon_mode = dest_v1->monitor_mode; 991 } else { 992 pieces->dbg_dest_tlv = dest; 993 mon_mode = dest->monitor_mode; 994 } 995 996 IWL_INFO(drv, "Found debug destination: %s\n", 997 get_fw_dbg_mode_string(mon_mode)); 998 999 drv->fw.dbg.n_dest_reg = (dest_v1) ? 1000 tlv_len - 1001 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 1002 reg_ops) : 1003 tlv_len - 1004 offsetof(struct iwl_fw_dbg_dest_tlv, 1005 reg_ops); 1006 1007 drv->fw.dbg.n_dest_reg /= 1008 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 1009 1010 break; 1011 } 1012 case IWL_UCODE_TLV_FW_DBG_CONF: { 1013 const struct iwl_fw_dbg_conf_tlv *conf = 1014 (const void *)tlv_data; 1015 1016 if (!pieces->dbg_dest_tlv_init) { 1017 IWL_ERR(drv, 1018 "Ignore dbg config %d - no destination configured\n", 1019 conf->id); 1020 break; 1021 } 1022 1023 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 1024 IWL_ERR(drv, 1025 "Skip unknown configuration: %d\n", 1026 conf->id); 1027 break; 1028 } 1029 1030 if (pieces->dbg_conf_tlv[conf->id]) { 1031 IWL_ERR(drv, 1032 "Ignore duplicate dbg config %d\n", 1033 conf->id); 1034 break; 1035 } 1036 1037 if (conf->usniffer) 1038 usniffer_req = true; 1039 1040 IWL_INFO(drv, "Found debug configuration: %d\n", 1041 conf->id); 1042 1043 pieces->dbg_conf_tlv[conf->id] = conf; 1044 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 1045 break; 1046 } 1047 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 1048 const struct iwl_fw_dbg_trigger_tlv *trigger = 1049 (const void *)tlv_data; 1050 u32 trigger_id = le32_to_cpu(trigger->id); 1051 1052 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 1053 IWL_ERR(drv, 1054 "Skip unknown trigger: %u\n", 1055 trigger->id); 1056 break; 1057 } 1058 1059 if (pieces->dbg_trigger_tlv[trigger_id]) { 1060 IWL_ERR(drv, 1061 "Ignore duplicate dbg trigger %u\n", 1062 trigger->id); 1063 break; 1064 } 1065 1066 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1067 1068 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1069 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1070 break; 1071 } 1072 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1073 if (tlv_len != sizeof(u32)) { 1074 IWL_ERR(drv, 1075 "dbg lst mask size incorrect, skip\n"); 1076 break; 1077 } 1078 1079 drv->fw.dbg.dump_mask = 1080 le32_to_cpup((const __le32 *)tlv_data); 1081 break; 1082 } 1083 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1084 *usniffer_images = true; 1085 iwl_store_ucode_sec(pieces, tlv_data, 1086 IWL_UCODE_REGULAR_USNIFFER, 1087 tlv_len); 1088 break; 1089 case IWL_UCODE_TLV_PAGING: 1090 if (tlv_len != sizeof(u32)) 1091 goto invalid_tlv_len; 1092 paging_mem_size = le32_to_cpup((const __le32 *)tlv_data); 1093 1094 IWL_DEBUG_FW(drv, 1095 "Paging: paging enabled (size = %u bytes)\n", 1096 paging_mem_size); 1097 1098 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1099 IWL_ERR(drv, 1100 "Paging: driver supports up to %lu bytes for paging image\n", 1101 MAX_PAGING_IMAGE_SIZE); 1102 return -EINVAL; 1103 } 1104 1105 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1106 IWL_ERR(drv, 1107 "Paging: image isn't multiple %lu\n", 1108 FW_PAGING_SIZE); 1109 return -EINVAL; 1110 } 1111 1112 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1113 paging_mem_size; 1114 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1115 drv->fw.img[usniffer_img].paging_mem_size = 1116 paging_mem_size; 1117 break; 1118 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1119 /* ignored */ 1120 break; 1121 case IWL_UCODE_TLV_FW_MEM_SEG: { 1122 const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1123 (const void *)tlv_data; 1124 size_t size; 1125 struct iwl_fw_dbg_mem_seg_tlv *n; 1126 1127 if (tlv_len != (sizeof(*dbg_mem))) 1128 goto invalid_tlv_len; 1129 1130 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1131 dbg_mem->data_type); 1132 1133 size = sizeof(*pieces->dbg_mem_tlv) * 1134 (pieces->n_mem_tlv + 1); 1135 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1136 if (!n) 1137 return -ENOMEM; 1138 pieces->dbg_mem_tlv = n; 1139 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1140 pieces->n_mem_tlv++; 1141 break; 1142 } 1143 case IWL_UCODE_TLV_IML: { 1144 drv->fw.iml_len = tlv_len; 1145 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1146 if (!drv->fw.iml) 1147 return -ENOMEM; 1148 break; 1149 } 1150 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1151 const struct { 1152 __le32 buf_addr; 1153 __le32 buf_size; 1154 } *recov_info = (const void *)tlv_data; 1155 1156 if (tlv_len != sizeof(*recov_info)) 1157 goto invalid_tlv_len; 1158 capa->error_log_addr = 1159 le32_to_cpu(recov_info->buf_addr); 1160 capa->error_log_size = 1161 le32_to_cpu(recov_info->buf_size); 1162 } 1163 break; 1164 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1165 const struct { 1166 u8 version[32]; 1167 u8 sha1[20]; 1168 } *fseq_ver = (const void *)tlv_data; 1169 1170 if (tlv_len != sizeof(*fseq_ver)) 1171 goto invalid_tlv_len; 1172 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1173 fseq_ver->version); 1174 } 1175 break; 1176 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1177 if (tlv_len != sizeof(u32)) 1178 goto invalid_tlv_len; 1179 if (le32_to_cpup((const __le32 *)tlv_data) > 1180 IWL_MVM_STATION_COUNT_MAX) { 1181 IWL_ERR(drv, 1182 "%d is an invalid number of station\n", 1183 le32_to_cpup((const __le32 *)tlv_data)); 1184 goto tlv_error; 1185 } 1186 capa->num_stations = 1187 le32_to_cpup((const __le32 *)tlv_data); 1188 break; 1189 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1190 const struct iwl_umac_debug_addrs *dbg_ptrs = 1191 (const void *)tlv_data; 1192 1193 if (tlv_len != sizeof(*dbg_ptrs)) 1194 goto invalid_tlv_len; 1195 if (drv->trans->trans_cfg->device_family < 1196 IWL_DEVICE_FAMILY_22000) 1197 break; 1198 drv->trans->dbg.umac_error_event_table = 1199 le32_to_cpu(dbg_ptrs->error_info_addr) & 1200 ~FW_ADDR_CACHE_CONTROL; 1201 drv->trans->dbg.error_event_table_tlv_status |= 1202 IWL_ERROR_EVENT_TABLE_UMAC; 1203 break; 1204 } 1205 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1206 const struct iwl_lmac_debug_addrs *dbg_ptrs = 1207 (const void *)tlv_data; 1208 1209 if (tlv_len != sizeof(*dbg_ptrs)) 1210 goto invalid_tlv_len; 1211 if (drv->trans->trans_cfg->device_family < 1212 IWL_DEVICE_FAMILY_22000) 1213 break; 1214 drv->trans->dbg.lmac_error_event_table[0] = 1215 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1216 ~FW_ADDR_CACHE_CONTROL; 1217 drv->trans->dbg.error_event_table_tlv_status |= 1218 IWL_ERROR_EVENT_TABLE_LMAC1; 1219 break; 1220 } 1221 case IWL_UCODE_TLV_TYPE_REGIONS: 1222 iwl_parse_dbg_tlv_assert_tables(drv, tlv); 1223 fallthrough; 1224 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1225 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1226 case IWL_UCODE_TLV_TYPE_HCMD: 1227 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1228 case IWL_UCODE_TLV_TYPE_CONF_SET: 1229 if (iwlwifi_mod_params.enable_ini) 1230 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1231 break; 1232 case IWL_UCODE_TLV_CMD_VERSIONS: 1233 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1234 IWL_ERR(drv, 1235 "Invalid length for command versions: %u\n", 1236 tlv_len); 1237 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1238 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1239 } 1240 if (WARN_ON(capa->cmd_versions)) 1241 return -EINVAL; 1242 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1243 GFP_KERNEL); 1244 if (!capa->cmd_versions) 1245 return -ENOMEM; 1246 capa->n_cmd_versions = 1247 tlv_len / sizeof(struct iwl_fw_cmd_version); 1248 break; 1249 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION: 1250 if (drv->fw.phy_integration_ver) { 1251 IWL_ERR(drv, 1252 "phy integration str ignored, already exists\n"); 1253 break; 1254 } 1255 1256 drv->fw.phy_integration_ver = 1257 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1258 if (!drv->fw.phy_integration_ver) 1259 return -ENOMEM; 1260 drv->fw.phy_integration_ver_len = tlv_len; 1261 break; 1262 case IWL_UCODE_TLV_SEC_TABLE_ADDR: 1263 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR: 1264 iwl_drv_set_dump_exclude(drv, tlv_type, 1265 tlv_data, tlv_len); 1266 break; 1267 default: 1268 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1269 break; 1270 } 1271 } 1272 1273 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1274 usniffer_req && !*usniffer_images) { 1275 IWL_ERR(drv, 1276 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1277 return -EINVAL; 1278 } 1279 1280 if (len) { 1281 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1282 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1283 return -EINVAL; 1284 } 1285 1286 return 0; 1287 1288 invalid_tlv_len: 1289 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1290 tlv_error: 1291 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1292 1293 return -EINVAL; 1294 } 1295 1296 static int iwl_alloc_ucode(struct iwl_drv *drv, 1297 struct iwl_firmware_pieces *pieces, 1298 enum iwl_ucode_type type) 1299 { 1300 int i; 1301 struct fw_desc *sec; 1302 1303 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1304 if (!sec) 1305 return -ENOMEM; 1306 drv->fw.img[type].sec = sec; 1307 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1308 1309 for (i = 0; i < pieces->img[type].sec_counter; i++) 1310 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1311 return -ENOMEM; 1312 1313 return 0; 1314 } 1315 1316 static int validate_sec_sizes(struct iwl_drv *drv, 1317 struct iwl_firmware_pieces *pieces, 1318 const struct iwl_cfg *cfg) 1319 { 1320 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1321 get_sec_size(pieces, IWL_UCODE_REGULAR, 1322 IWL_UCODE_SECTION_INST)); 1323 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1324 get_sec_size(pieces, IWL_UCODE_REGULAR, 1325 IWL_UCODE_SECTION_DATA)); 1326 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1327 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1328 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1329 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1330 1331 /* Verify that uCode images will fit in card's SRAM. */ 1332 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1333 cfg->max_inst_size) { 1334 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1335 get_sec_size(pieces, IWL_UCODE_REGULAR, 1336 IWL_UCODE_SECTION_INST)); 1337 return -1; 1338 } 1339 1340 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1341 cfg->max_data_size) { 1342 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1343 get_sec_size(pieces, IWL_UCODE_REGULAR, 1344 IWL_UCODE_SECTION_DATA)); 1345 return -1; 1346 } 1347 1348 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1349 cfg->max_inst_size) { 1350 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1351 get_sec_size(pieces, IWL_UCODE_INIT, 1352 IWL_UCODE_SECTION_INST)); 1353 return -1; 1354 } 1355 1356 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1357 cfg->max_data_size) { 1358 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1359 get_sec_size(pieces, IWL_UCODE_REGULAR, 1360 IWL_UCODE_SECTION_DATA)); 1361 return -1; 1362 } 1363 return 0; 1364 } 1365 1366 static struct iwl_op_mode * 1367 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1368 { 1369 const struct iwl_op_mode_ops *ops = op->ops; 1370 struct dentry *dbgfs_dir = NULL; 1371 struct iwl_op_mode *op_mode = NULL; 1372 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY; 1373 1374 for (retry = 0; retry <= max_retry; retry++) { 1375 1376 #ifdef CONFIG_IWLWIFI_DEBUGFS 1377 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1378 drv->dbgfs_drv); 1379 dbgfs_dir = drv->dbgfs_op_mode; 1380 #endif 1381 1382 op_mode = ops->start(drv->trans, drv->trans->cfg, 1383 &drv->fw, dbgfs_dir); 1384 1385 if (op_mode) 1386 return op_mode; 1387 1388 IWL_ERR(drv, "retry init count %d\n", retry); 1389 1390 #ifdef CONFIG_IWLWIFI_DEBUGFS 1391 debugfs_remove_recursive(drv->dbgfs_op_mode); 1392 drv->dbgfs_op_mode = NULL; 1393 #endif 1394 } 1395 1396 return NULL; 1397 } 1398 1399 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1400 { 1401 /* op_mode can be NULL if its start failed */ 1402 if (drv->op_mode) { 1403 iwl_op_mode_stop(drv->op_mode); 1404 drv->op_mode = NULL; 1405 1406 #ifdef CONFIG_IWLWIFI_DEBUGFS 1407 debugfs_remove_recursive(drv->dbgfs_op_mode); 1408 drv->dbgfs_op_mode = NULL; 1409 #endif 1410 } 1411 } 1412 1413 /* 1414 * iwl_req_fw_callback - callback when firmware was loaded 1415 * 1416 * If loaded successfully, copies the firmware into buffers 1417 * for the card to fetch (via DMA). 1418 */ 1419 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1420 { 1421 struct iwl_drv *drv = context; 1422 struct iwl_fw *fw = &drv->fw; 1423 const struct iwl_ucode_header *ucode; 1424 struct iwlwifi_opmode_table *op; 1425 int err; 1426 struct iwl_firmware_pieces *pieces; 1427 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1428 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1429 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1430 u32 api_ver; 1431 int i; 1432 bool load_module = false; 1433 bool usniffer_images = false; 1434 bool failure = true; 1435 1436 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1437 fw->ucode_capa.standard_phy_calibration_size = 1438 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1439 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1440 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; 1441 /* dump all fw memory areas by default */ 1442 fw->dbg.dump_mask = 0xffffffff; 1443 1444 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1445 if (!pieces) 1446 goto out_free_fw; 1447 1448 if (!ucode_raw) 1449 goto try_again; 1450 1451 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1452 drv->firmware_name, ucode_raw->size); 1453 1454 /* Make sure that we got at least the API version number */ 1455 if (ucode_raw->size < 4) { 1456 IWL_ERR(drv, "File size way too small!\n"); 1457 goto try_again; 1458 } 1459 1460 /* Data from ucode file: header followed by uCode images */ 1461 ucode = (const struct iwl_ucode_header *)ucode_raw->data; 1462 1463 if (ucode->ver) 1464 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1465 else 1466 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1467 &fw->ucode_capa, &usniffer_images); 1468 1469 if (err) 1470 goto try_again; 1471 1472 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1473 api_ver = drv->fw.ucode_ver; 1474 else 1475 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1476 1477 /* 1478 * api_ver should match the api version forming part of the 1479 * firmware filename ... but we don't check for that and only rely 1480 * on the API version read from firmware header from here on forward 1481 */ 1482 if (api_ver < api_min || api_ver > api_max) { 1483 IWL_ERR(drv, 1484 "Driver unable to support your firmware API. " 1485 "Driver supports v%u, firmware is v%u.\n", 1486 api_max, api_ver); 1487 goto try_again; 1488 } 1489 1490 /* 1491 * In mvm uCode there is no difference between data and instructions 1492 * sections. 1493 */ 1494 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1495 drv->trans->cfg)) 1496 goto try_again; 1497 1498 /* Allocate ucode buffers for card's bus-master loading ... */ 1499 1500 /* Runtime instructions and 2 copies of data: 1501 * 1) unmodified from disk 1502 * 2) backup cache for save/restore during power-downs 1503 */ 1504 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1505 if (iwl_alloc_ucode(drv, pieces, i)) 1506 goto out_free_fw; 1507 1508 if (pieces->dbg_dest_tlv_init) { 1509 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1510 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1511 drv->fw.dbg.n_dest_reg; 1512 1513 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1514 1515 if (!drv->fw.dbg.dest_tlv) 1516 goto out_free_fw; 1517 1518 if (*pieces->dbg_dest_ver == 0) { 1519 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1520 dbg_dest_size); 1521 } else { 1522 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1523 drv->fw.dbg.dest_tlv; 1524 1525 dest_tlv->version = pieces->dbg_dest_tlv->version; 1526 dest_tlv->monitor_mode = 1527 pieces->dbg_dest_tlv->monitor_mode; 1528 dest_tlv->size_power = 1529 pieces->dbg_dest_tlv->size_power; 1530 dest_tlv->wrap_count = 1531 pieces->dbg_dest_tlv->wrap_count; 1532 dest_tlv->write_ptr_reg = 1533 pieces->dbg_dest_tlv->write_ptr_reg; 1534 dest_tlv->base_shift = 1535 pieces->dbg_dest_tlv->base_shift; 1536 memcpy(dest_tlv->reg_ops, 1537 pieces->dbg_dest_tlv->reg_ops, 1538 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1539 drv->fw.dbg.n_dest_reg); 1540 1541 /* In version 1 of the destination tlv, which is 1542 * relevant for internal buffer exclusively, 1543 * the base address is part of given with the length 1544 * of the buffer, and the size shift is give instead of 1545 * end shift. We now store these values in base_reg, 1546 * and end shift, and when dumping the data we'll 1547 * manipulate it for extracting both the length and 1548 * base address */ 1549 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1550 dest_tlv->end_shift = 1551 pieces->dbg_dest_tlv->size_shift; 1552 } 1553 } 1554 1555 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1556 if (pieces->dbg_conf_tlv[i]) { 1557 drv->fw.dbg.conf_tlv[i] = 1558 kmemdup(pieces->dbg_conf_tlv[i], 1559 pieces->dbg_conf_tlv_len[i], 1560 GFP_KERNEL); 1561 if (!drv->fw.dbg.conf_tlv[i]) 1562 goto out_free_fw; 1563 } 1564 } 1565 1566 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1567 1568 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1569 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1570 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1571 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1572 sizeof(struct iwl_fw_dbg_trigger_cmd); 1573 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1574 sizeof(struct iwl_fw_dbg_trigger_mlme); 1575 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1576 sizeof(struct iwl_fw_dbg_trigger_stats); 1577 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1578 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1579 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1580 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1581 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1582 sizeof(struct iwl_fw_dbg_trigger_time_event); 1583 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1584 sizeof(struct iwl_fw_dbg_trigger_ba); 1585 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1586 sizeof(struct iwl_fw_dbg_trigger_tdls); 1587 1588 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1589 if (pieces->dbg_trigger_tlv[i]) { 1590 /* 1591 * If the trigger isn't long enough, WARN and exit. 1592 * Someone is trying to debug something and he won't 1593 * be able to catch the bug he is trying to chase. 1594 * We'd better be noisy to be sure he knows what's 1595 * going on. 1596 */ 1597 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1598 (trigger_tlv_sz[i] + 1599 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1600 goto out_free_fw; 1601 drv->fw.dbg.trigger_tlv_len[i] = 1602 pieces->dbg_trigger_tlv_len[i]; 1603 drv->fw.dbg.trigger_tlv[i] = 1604 kmemdup(pieces->dbg_trigger_tlv[i], 1605 drv->fw.dbg.trigger_tlv_len[i], 1606 GFP_KERNEL); 1607 if (!drv->fw.dbg.trigger_tlv[i]) 1608 goto out_free_fw; 1609 } 1610 } 1611 1612 /* Now that we can no longer fail, copy information */ 1613 1614 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1615 pieces->dbg_mem_tlv = NULL; 1616 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1617 1618 /* 1619 * The (size - 16) / 12 formula is based on the information recorded 1620 * for each event, which is of mode 1 (including timestamp) for all 1621 * new microcodes that include this information. 1622 */ 1623 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1624 if (pieces->init_evtlog_size) 1625 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1626 else 1627 fw->init_evtlog_size = 1628 drv->trans->trans_cfg->base_params->max_event_log_size; 1629 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1630 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1631 if (pieces->inst_evtlog_size) 1632 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1633 else 1634 fw->inst_evtlog_size = 1635 drv->trans->trans_cfg->base_params->max_event_log_size; 1636 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1637 1638 /* 1639 * figure out the offset of chain noise reset and gain commands 1640 * base on the size of standard phy calibration commands table size 1641 */ 1642 if (fw->ucode_capa.standard_phy_calibration_size > 1643 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1644 fw->ucode_capa.standard_phy_calibration_size = 1645 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1646 1647 /* We have our copies now, allow OS release its copies */ 1648 release_firmware(ucode_raw); 1649 1650 mutex_lock(&iwlwifi_opmode_table_mtx); 1651 switch (fw->type) { 1652 case IWL_FW_DVM: 1653 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1654 break; 1655 default: 1656 WARN(1, "Invalid fw type %d\n", fw->type); 1657 fallthrough; 1658 case IWL_FW_MVM: 1659 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1660 break; 1661 } 1662 1663 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1664 drv->fw.fw_version, op->name); 1665 1666 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1667 1668 /* add this device to the list of devices using this op_mode */ 1669 list_add_tail(&drv->list, &op->drv); 1670 1671 if (op->ops) { 1672 drv->op_mode = _iwl_op_mode_start(drv, op); 1673 1674 if (!drv->op_mode) { 1675 mutex_unlock(&iwlwifi_opmode_table_mtx); 1676 goto out_unbind; 1677 } 1678 } else { 1679 load_module = true; 1680 } 1681 mutex_unlock(&iwlwifi_opmode_table_mtx); 1682 1683 /* 1684 * Complete the firmware request last so that 1685 * a driver unbind (stop) doesn't run while we 1686 * are doing the start() above. 1687 */ 1688 complete(&drv->request_firmware_complete); 1689 1690 /* 1691 * Load the module last so we don't block anything 1692 * else from proceeding if the module fails to load 1693 * or hangs loading. 1694 */ 1695 if (load_module) 1696 request_module("%s", op->name); 1697 failure = false; 1698 goto free; 1699 1700 try_again: 1701 /* try next, if any */ 1702 release_firmware(ucode_raw); 1703 if (iwl_request_firmware(drv, false)) 1704 goto out_unbind; 1705 goto free; 1706 1707 out_free_fw: 1708 release_firmware(ucode_raw); 1709 out_unbind: 1710 complete(&drv->request_firmware_complete); 1711 device_release_driver(drv->trans->dev); 1712 free: 1713 if (failure) 1714 iwl_dealloc_ucode(drv); 1715 1716 if (pieces) { 1717 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1718 kfree(pieces->img[i].sec); 1719 kfree(pieces->dbg_mem_tlv); 1720 kfree(pieces); 1721 } 1722 } 1723 1724 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1725 { 1726 struct iwl_drv *drv; 1727 int ret; 1728 1729 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1730 if (!drv) { 1731 ret = -ENOMEM; 1732 goto err; 1733 } 1734 1735 drv->trans = trans; 1736 drv->dev = trans->dev; 1737 1738 init_completion(&drv->request_firmware_complete); 1739 INIT_LIST_HEAD(&drv->list); 1740 1741 #ifdef CONFIG_IWLWIFI_DEBUGFS 1742 /* Create the device debugfs entries. */ 1743 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1744 iwl_dbgfs_root); 1745 1746 /* Create transport layer debugfs dir */ 1747 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1748 #endif 1749 1750 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1751 1752 ret = iwl_request_firmware(drv, true); 1753 if (ret) { 1754 IWL_ERR(trans, "Couldn't request the fw\n"); 1755 goto err_fw; 1756 } 1757 1758 return drv; 1759 1760 err_fw: 1761 #ifdef CONFIG_IWLWIFI_DEBUGFS 1762 debugfs_remove_recursive(drv->dbgfs_drv); 1763 iwl_dbg_tlv_free(drv->trans); 1764 #endif 1765 kfree(drv); 1766 err: 1767 return ERR_PTR(ret); 1768 } 1769 1770 void iwl_drv_stop(struct iwl_drv *drv) 1771 { 1772 wait_for_completion(&drv->request_firmware_complete); 1773 1774 _iwl_op_mode_stop(drv); 1775 1776 iwl_dealloc_ucode(drv); 1777 1778 mutex_lock(&iwlwifi_opmode_table_mtx); 1779 /* 1780 * List is empty (this item wasn't added) 1781 * when firmware loading failed -- in that 1782 * case we can't remove it from any list. 1783 */ 1784 if (!list_empty(&drv->list)) 1785 list_del(&drv->list); 1786 mutex_unlock(&iwlwifi_opmode_table_mtx); 1787 1788 #ifdef CONFIG_IWLWIFI_DEBUGFS 1789 drv->trans->ops->debugfs_cleanup(drv->trans); 1790 1791 debugfs_remove_recursive(drv->dbgfs_drv); 1792 #endif 1793 1794 iwl_dbg_tlv_free(drv->trans); 1795 1796 kfree(drv); 1797 } 1798 1799 1800 /* shared module parameters */ 1801 struct iwl_mod_params iwlwifi_mod_params = { 1802 .fw_restart = true, 1803 .bt_coex_active = true, 1804 .power_level = IWL_POWER_INDEX_1, 1805 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1806 .enable_ini = true, 1807 /* the rest are 0 by default */ 1808 }; 1809 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1810 1811 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1812 { 1813 int i; 1814 struct iwl_drv *drv; 1815 struct iwlwifi_opmode_table *op; 1816 1817 mutex_lock(&iwlwifi_opmode_table_mtx); 1818 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1819 op = &iwlwifi_opmode_table[i]; 1820 if (strcmp(op->name, name)) 1821 continue; 1822 op->ops = ops; 1823 /* TODO: need to handle exceptional case */ 1824 list_for_each_entry(drv, &op->drv, list) 1825 drv->op_mode = _iwl_op_mode_start(drv, op); 1826 1827 mutex_unlock(&iwlwifi_opmode_table_mtx); 1828 return 0; 1829 } 1830 mutex_unlock(&iwlwifi_opmode_table_mtx); 1831 return -EIO; 1832 } 1833 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1834 1835 void iwl_opmode_deregister(const char *name) 1836 { 1837 int i; 1838 struct iwl_drv *drv; 1839 1840 mutex_lock(&iwlwifi_opmode_table_mtx); 1841 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1842 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1843 continue; 1844 iwlwifi_opmode_table[i].ops = NULL; 1845 1846 /* call the stop routine for all devices */ 1847 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1848 _iwl_op_mode_stop(drv); 1849 1850 mutex_unlock(&iwlwifi_opmode_table_mtx); 1851 return; 1852 } 1853 mutex_unlock(&iwlwifi_opmode_table_mtx); 1854 } 1855 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1856 1857 static int __init iwl_drv_init(void) 1858 { 1859 int i, err; 1860 1861 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1862 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1863 1864 pr_info(DRV_DESCRIPTION "\n"); 1865 1866 #ifdef CONFIG_IWLWIFI_DEBUGFS 1867 /* Create the root of iwlwifi debugfs subsystem. */ 1868 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1869 #endif 1870 1871 err = iwl_pci_register_driver(); 1872 if (err) 1873 goto cleanup_debugfs; 1874 1875 return 0; 1876 1877 cleanup_debugfs: 1878 #ifdef CONFIG_IWLWIFI_DEBUGFS 1879 debugfs_remove_recursive(iwl_dbgfs_root); 1880 #endif 1881 return err; 1882 } 1883 module_init(iwl_drv_init); 1884 1885 static void __exit iwl_drv_exit(void) 1886 { 1887 iwl_pci_unregister_driver(); 1888 1889 #ifdef CONFIG_IWLWIFI_DEBUGFS 1890 debugfs_remove_recursive(iwl_dbgfs_root); 1891 #endif 1892 } 1893 module_exit(iwl_drv_exit); 1894 1895 #ifdef CONFIG_IWLWIFI_DEBUG 1896 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1897 MODULE_PARM_DESC(debug, "debug output mask"); 1898 #endif 1899 1900 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1901 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1902 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1903 MODULE_PARM_DESC(11n_disable, 1904 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1905 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1906 MODULE_PARM_DESC(amsdu_size, 1907 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 1908 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); 1909 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1910 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1911 1912 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1913 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1914 1915 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1916 MODULE_PARM_DESC(uapsd_disable, 1917 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1918 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1919 bool, S_IRUGO | S_IWUSR); 1920 MODULE_PARM_DESC(enable_ini, 1921 "Enable debug INI TLV FW debug infrastructure (default: true"); 1922 1923 /* 1924 * set bt_coex_active to true, uCode will do kill/defer 1925 * every time the priority line is asserted (BT is sending signals on the 1926 * priority line in the PCIx). 1927 * set bt_coex_active to false, uCode will ignore the BT activity and 1928 * perform the normal operation 1929 * 1930 * User might experience transmit issue on some platform due to WiFi/BT 1931 * co-exist problem. The possible behaviors are: 1932 * Able to scan and finding all the available AP 1933 * Not able to associate with any AP 1934 * On those platforms, WiFi communication can be restored by set 1935 * "bt_coex_active" module parameter to "false" 1936 * 1937 * default: bt_coex_active = true (BT_COEX_ENABLE) 1938 */ 1939 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1940 bool, 0444); 1941 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1942 1943 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1944 MODULE_PARM_DESC(led_mode, "0=system default, " 1945 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1946 1947 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1948 MODULE_PARM_DESC(power_save, 1949 "enable WiFi power management (default: disable)"); 1950 1951 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1952 MODULE_PARM_DESC(power_level, 1953 "default power save level (range from 1 - 5, default: 1)"); 1954 1955 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1956 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1957 1958 module_param_named(remove_when_gone, 1959 iwlwifi_mod_params.remove_when_gone, bool, 1960 0444); 1961 MODULE_PARM_DESC(remove_when_gone, 1962 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1963 1964 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1965 S_IRUGO); 1966 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1967