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FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/iwlwifi/iwl-drv.c
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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 #if defined(__FreeBSD__) 8 #define LINUXKPI_PARAM_PREFIX iwlwifi_ 9 #endif 10 #include <linux/completion.h> 11 #include <linux/dma-mapping.h> 12 #include <linux/firmware.h> 13 #include <linux/module.h> 14 #include <linux/vmalloc.h> 15 16 #include "iwl-drv.h" 17 #include "iwl-csr.h" 18 #include "iwl-debug.h" 19 #include "iwl-trans.h" 20 #include "iwl-op-mode.h" 21 #include "iwl-agn-hw.h" 22 #include "fw/img.h" 23 #include "iwl-dbg-tlv.h" 24 #include "iwl-config.h" 25 #include "iwl-modparams.h" 26 #include "fw/api/alive.h" 27 #include "fw/api/mac.h" 28 29 /****************************************************************************** 30 * 31 * module boiler plate 32 * 33 ******************************************************************************/ 34 35 #if defined(__linux__) 36 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 37 MODULE_LICENSE("GPL"); 38 #elif defined(__FreeBSD__) 39 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi based driver for FreeBSD" 40 MODULE_LICENSE("BSD"); 41 MODULE_VERSION(if_iwlwifi, 1); 42 MODULE_DEPEND(if_iwlwifi, linuxkpi, 1, 1, 1); 43 MODULE_DEPEND(if_iwlwifi, linuxkpi_wlan, 1, 1, 1); 44 #ifdef CONFIG_IWLWIFI_DEBUGFS 45 MODULE_DEPEND(if_iwlwifi, lindebugfs, 1, 1, 1); 46 #endif 47 #endif 48 MODULE_DESCRIPTION(DRV_DESCRIPTION); 49 50 #ifdef CONFIG_IWLWIFI_DEBUGFS 51 static struct dentry *iwl_dbgfs_root; 52 #endif 53 54 /** 55 * struct iwl_drv - drv common data 56 * @list: list of drv structures using this opmode 57 * @fw: the iwl_fw structure 58 * @op_mode: the running op_mode 59 * @trans: transport layer 60 * @dev: for debug prints only 61 * @fw_index: firmware revision to try loading 62 * @firmware_name: composite filename of ucode file to load 63 * @request_firmware_complete: the firmware has been obtained from user space 64 * @dbgfs_drv: debugfs root directory entry 65 * @dbgfs_trans: debugfs transport directory entry 66 * @dbgfs_op_mode: debugfs op_mode directory entry 67 */ 68 struct iwl_drv { 69 struct list_head list; 70 struct iwl_fw fw; 71 72 struct iwl_op_mode *op_mode; 73 struct iwl_trans *trans; 74 struct device *dev; 75 76 int fw_index; /* firmware we're trying to load */ 77 char firmware_name[64]; /* name of firmware file to load */ 78 79 struct completion request_firmware_complete; 80 #if defined(__FreeBSD__) 81 struct completion drv_start_complete; 82 #endif 83 84 #ifdef CONFIG_IWLWIFI_DEBUGFS 85 struct dentry *dbgfs_drv; 86 struct dentry *dbgfs_trans; 87 struct dentry *dbgfs_op_mode; 88 #endif 89 }; 90 91 enum { 92 DVM_OP_MODE, 93 MVM_OP_MODE, 94 }; 95 96 /* Protects the table contents, i.e. the ops pointer & drv list */ 97 static DEFINE_MUTEX(iwlwifi_opmode_table_mtx); 98 static struct iwlwifi_opmode_table { 99 const char *name; /* name: iwldvm, iwlmvm, etc */ 100 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 101 struct list_head drv; /* list of devices using this op_mode */ 102 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 103 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 104 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 105 }; 106 107 #define IWL_DEFAULT_SCAN_CHANNELS 40 108 109 /* 110 * struct fw_sec: Just for the image parsing process. 111 * For the fw storage we are using struct fw_desc. 112 */ 113 struct fw_sec { 114 const void *data; /* the sec data */ 115 size_t size; /* section size */ 116 u32 offset; /* offset of writing in the device */ 117 }; 118 119 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 120 { 121 vfree(desc->data); 122 desc->data = NULL; 123 desc->len = 0; 124 } 125 126 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 127 { 128 int i; 129 for (i = 0; i < img->num_sec; i++) 130 iwl_free_fw_desc(drv, &img->sec[i]); 131 kfree(img->sec); 132 } 133 134 static void iwl_dealloc_ucode(struct iwl_drv *drv) 135 { 136 int i; 137 138 kfree(drv->fw.dbg.dest_tlv); 139 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 140 kfree(drv->fw.dbg.conf_tlv[i]); 141 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 142 kfree(drv->fw.dbg.trigger_tlv[i]); 143 kfree(drv->fw.dbg.mem_tlv); 144 kfree(drv->fw.iml); 145 kfree(drv->fw.ucode_capa.cmd_versions); 146 kfree(drv->fw.phy_integration_ver); 147 148 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 149 iwl_free_fw_img(drv, drv->fw.img + i); 150 151 /* clear the data for the aborted load case */ 152 memset(&drv->fw, 0, sizeof(drv->fw)); 153 } 154 155 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 156 struct fw_sec *sec) 157 { 158 void *data; 159 160 desc->data = NULL; 161 162 if (!sec || !sec->size) 163 return -EINVAL; 164 165 data = vmalloc(sec->size); 166 if (!data) 167 return -ENOMEM; 168 169 desc->len = sec->size; 170 desc->offset = sec->offset; 171 memcpy(data, sec->data, desc->len); 172 desc->data = data; 173 174 return 0; 175 } 176 177 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 178 void *context); 179 180 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 181 { 182 const struct iwl_cfg *cfg = drv->trans->cfg; 183 char tag[8]; 184 185 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && 186 (drv->trans->hw_rev_step != SILICON_B_STEP && 187 drv->trans->hw_rev_step != SILICON_C_STEP)) { 188 IWL_ERR(drv, 189 "Only HW steps B and C are currently supported (0x%0x)\n", 190 drv->trans->hw_rev); 191 return -EINVAL; 192 } 193 194 if (first) { 195 drv->fw_index = cfg->ucode_api_max; 196 sprintf(tag, "%d", drv->fw_index); 197 } else { 198 drv->fw_index--; 199 sprintf(tag, "%d", drv->fw_index); 200 } 201 202 if (drv->fw_index < cfg->ucode_api_min) { 203 IWL_ERR(drv, "no suitable firmware found!\n"); 204 205 if (cfg->ucode_api_min == cfg->ucode_api_max) { 206 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, 207 cfg->ucode_api_max); 208 } else { 209 IWL_ERR(drv, "minimum version required: %s%d\n", 210 cfg->fw_name_pre, cfg->ucode_api_min); 211 IWL_ERR(drv, "maximum version supported: %s%d\n", 212 cfg->fw_name_pre, cfg->ucode_api_max); 213 } 214 215 IWL_ERR(drv, 216 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 217 return -ENOENT; 218 } 219 220 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 221 cfg->fw_name_pre, tag); 222 223 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", 224 drv->firmware_name); 225 226 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 227 drv->trans->dev, 228 GFP_KERNEL, drv, iwl_req_fw_callback); 229 } 230 231 struct fw_img_parsing { 232 struct fw_sec *sec; 233 int sec_counter; 234 }; 235 236 /* 237 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 238 */ 239 struct fw_sec_parsing { 240 __le32 offset; 241 const u8 data[]; 242 } __packed; 243 244 /** 245 * struct iwl_tlv_calib_data - parse the default calib data from TLV 246 * 247 * @ucode_type: the uCode to which the following default calib relates. 248 * @calib: default calibrations. 249 */ 250 struct iwl_tlv_calib_data { 251 __le32 ucode_type; 252 struct iwl_tlv_calib_ctrl calib; 253 } __packed; 254 255 struct iwl_firmware_pieces { 256 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 257 258 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 259 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 260 261 /* FW debug data parsed for driver usage */ 262 bool dbg_dest_tlv_init; 263 const u8 *dbg_dest_ver; 264 union { 265 const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 266 const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 267 }; 268 const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 269 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 270 const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 271 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 272 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 273 size_t n_mem_tlv; 274 }; 275 276 /* 277 * These functions are just to extract uCode section data from the pieces 278 * structure. 279 */ 280 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 281 enum iwl_ucode_type type, 282 int sec) 283 { 284 return &pieces->img[type].sec[sec]; 285 } 286 287 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 288 enum iwl_ucode_type type, 289 int sec) 290 { 291 struct fw_img_parsing *img = &pieces->img[type]; 292 struct fw_sec *sec_memory; 293 int size = sec + 1; 294 size_t alloc_size = sizeof(*img->sec) * size; 295 296 if (img->sec && img->sec_counter >= size) 297 return; 298 299 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 300 if (!sec_memory) 301 return; 302 303 img->sec = sec_memory; 304 img->sec_counter = size; 305 } 306 307 static void set_sec_data(struct iwl_firmware_pieces *pieces, 308 enum iwl_ucode_type type, 309 int sec, 310 const void *data) 311 { 312 alloc_sec_data(pieces, type, sec); 313 314 pieces->img[type].sec[sec].data = data; 315 } 316 317 static void set_sec_size(struct iwl_firmware_pieces *pieces, 318 enum iwl_ucode_type type, 319 int sec, 320 size_t size) 321 { 322 alloc_sec_data(pieces, type, sec); 323 324 pieces->img[type].sec[sec].size = size; 325 } 326 327 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 328 enum iwl_ucode_type type, 329 int sec) 330 { 331 return pieces->img[type].sec[sec].size; 332 } 333 334 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 335 enum iwl_ucode_type type, 336 int sec, 337 u32 offset) 338 { 339 alloc_sec_data(pieces, type, sec); 340 341 pieces->img[type].sec[sec].offset = offset; 342 } 343 344 /* 345 * Gets uCode section from tlv. 346 */ 347 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 348 const void *data, enum iwl_ucode_type type, 349 int size) 350 { 351 struct fw_img_parsing *img; 352 struct fw_sec *sec; 353 const struct fw_sec_parsing *sec_parse; 354 size_t alloc_size; 355 356 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 357 return -1; 358 359 sec_parse = (const struct fw_sec_parsing *)data; 360 361 img = &pieces->img[type]; 362 363 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 364 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 365 if (!sec) 366 return -ENOMEM; 367 img->sec = sec; 368 369 sec = &img->sec[img->sec_counter]; 370 371 sec->offset = le32_to_cpu(sec_parse->offset); 372 sec->data = sec_parse->data; 373 sec->size = size - sizeof(sec_parse->offset); 374 375 ++img->sec_counter; 376 377 return 0; 378 } 379 380 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 381 { 382 const struct iwl_tlv_calib_data *def_calib = 383 (const struct iwl_tlv_calib_data *)data; 384 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 385 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 386 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 387 ucode_type); 388 return -EINVAL; 389 } 390 drv->fw.default_calib[ucode_type].flow_trigger = 391 def_calib->calib.flow_trigger; 392 drv->fw.default_calib[ucode_type].event_trigger = 393 def_calib->calib.event_trigger; 394 395 return 0; 396 } 397 398 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 399 struct iwl_ucode_capabilities *capa) 400 { 401 const struct iwl_ucode_api *ucode_api = (const void *)data; 402 u32 api_index = le32_to_cpu(ucode_api->api_index); 403 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 404 int i; 405 406 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 407 IWL_WARN(drv, 408 "api flags index %d larger than supported by driver\n", 409 api_index); 410 return; 411 } 412 413 for (i = 0; i < 32; i++) { 414 if (api_flags & BIT(i)) 415 __set_bit(i + 32 * api_index, capa->_api); 416 } 417 } 418 419 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 420 struct iwl_ucode_capabilities *capa) 421 { 422 const struct iwl_ucode_capa *ucode_capa = (const void *)data; 423 u32 api_index = le32_to_cpu(ucode_capa->api_index); 424 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 425 int i; 426 427 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 428 IWL_WARN(drv, 429 "capa flags index %d larger than supported by driver\n", 430 api_index); 431 return; 432 } 433 434 for (i = 0; i < 32; i++) { 435 if (api_flags & BIT(i)) 436 __set_bit(i + 32 * api_index, capa->_capa); 437 } 438 } 439 440 static const char *iwl_reduced_fw_name(struct iwl_drv *drv) 441 { 442 const char *name = drv->firmware_name; 443 444 if (strncmp(name, "iwlwifi-", 8) == 0) 445 name += 8; 446 447 return name; 448 } 449 450 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 451 const struct firmware *ucode_raw, 452 struct iwl_firmware_pieces *pieces) 453 { 454 const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data; 455 u32 api_ver, hdr_size, build; 456 char buildstr[25]; 457 const u8 *src; 458 459 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 460 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 461 462 switch (api_ver) { 463 default: 464 hdr_size = 28; 465 if (ucode_raw->size < hdr_size) { 466 IWL_ERR(drv, "File size too small!\n"); 467 return -EINVAL; 468 } 469 build = le32_to_cpu(ucode->u.v2.build); 470 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 471 le32_to_cpu(ucode->u.v2.inst_size)); 472 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 473 le32_to_cpu(ucode->u.v2.data_size)); 474 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 475 le32_to_cpu(ucode->u.v2.init_size)); 476 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 477 le32_to_cpu(ucode->u.v2.init_data_size)); 478 src = ucode->u.v2.data; 479 break; 480 case 0: 481 case 1: 482 case 2: 483 hdr_size = 24; 484 if (ucode_raw->size < hdr_size) { 485 IWL_ERR(drv, "File size too small!\n"); 486 return -EINVAL; 487 } 488 build = 0; 489 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 490 le32_to_cpu(ucode->u.v1.inst_size)); 491 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 492 le32_to_cpu(ucode->u.v1.data_size)); 493 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 494 le32_to_cpu(ucode->u.v1.init_size)); 495 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 496 le32_to_cpu(ucode->u.v1.init_data_size)); 497 src = ucode->u.v1.data; 498 break; 499 } 500 501 if (build) 502 sprintf(buildstr, " build %u", build); 503 else 504 buildstr[0] = '\0'; 505 506 snprintf(drv->fw.fw_version, 507 sizeof(drv->fw.fw_version), 508 "%u.%u.%u.%u%s %s", 509 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 510 IWL_UCODE_MINOR(drv->fw.ucode_ver), 511 IWL_UCODE_API(drv->fw.ucode_ver), 512 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 513 buildstr, iwl_reduced_fw_name(drv)); 514 515 /* Verify size of file vs. image size info in file's header */ 516 517 if (ucode_raw->size != hdr_size + 518 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 519 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 520 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 521 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 522 523 IWL_ERR(drv, 524 "uCode file size %d does not match expected size\n", 525 (int)ucode_raw->size); 526 return -EINVAL; 527 } 528 529 530 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 531 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 532 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 533 IWLAGN_RTC_INST_LOWER_BOUND); 534 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 535 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 536 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 537 IWLAGN_RTC_DATA_LOWER_BOUND); 538 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 539 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 540 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 541 IWLAGN_RTC_INST_LOWER_BOUND); 542 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 543 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 544 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 545 IWLAGN_RTC_DATA_LOWER_BOUND); 546 return 0; 547 } 548 549 static void iwl_drv_set_dump_exclude(struct iwl_drv *drv, 550 enum iwl_ucode_tlv_type tlv_type, 551 const void *tlv_data, u32 tlv_len) 552 { 553 const struct iwl_fw_dump_exclude *fw = tlv_data; 554 struct iwl_dump_exclude *excl; 555 556 if (tlv_len < sizeof(*fw)) 557 return; 558 559 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) { 560 excl = &drv->fw.dump_excl[0]; 561 562 /* second time we find this, it's for WoWLAN */ 563 if (excl->addr) 564 excl = &drv->fw.dump_excl_wowlan[0]; 565 } else if (fw_has_capa(&drv->fw.ucode_capa, 566 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) { 567 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */ 568 excl = &drv->fw.dump_excl[0]; 569 } else { 570 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */ 571 excl = &drv->fw.dump_excl_wowlan[0]; 572 } 573 574 if (excl->addr) 575 excl++; 576 577 if (excl->addr) { 578 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n"); 579 return; 580 } 581 582 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL; 583 excl->size = le32_to_cpu(fw->size); 584 } 585 586 static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv, 587 const struct iwl_ucode_tlv *tlv) 588 { 589 const struct iwl_fw_ini_region_tlv *region; 590 u32 length = le32_to_cpu(tlv->length); 591 u32 addr; 592 593 if (length < offsetof(typeof(*region), special_mem) + 594 sizeof(region->special_mem)) 595 return; 596 597 region = (const void *)tlv->data; 598 addr = le32_to_cpu(region->special_mem.base_addr); 599 addr += le32_to_cpu(region->special_mem.offset); 600 addr &= ~FW_ADDR_CACHE_CONTROL; 601 602 if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY) 603 return; 604 605 switch (region->sub_type) { 606 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE: 607 drv->trans->dbg.umac_error_event_table = addr; 608 drv->trans->dbg.error_event_table_tlv_status |= 609 IWL_ERROR_EVENT_TABLE_UMAC; 610 break; 611 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE: 612 drv->trans->dbg.lmac_error_event_table[0] = addr; 613 drv->trans->dbg.error_event_table_tlv_status |= 614 IWL_ERROR_EVENT_TABLE_LMAC1; 615 break; 616 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE: 617 drv->trans->dbg.lmac_error_event_table[1] = addr; 618 drv->trans->dbg.error_event_table_tlv_status |= 619 IWL_ERROR_EVENT_TABLE_LMAC2; 620 break; 621 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE: 622 drv->trans->dbg.tcm_error_event_table[0] = addr; 623 drv->trans->dbg.error_event_table_tlv_status |= 624 IWL_ERROR_EVENT_TABLE_TCM1; 625 break; 626 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE: 627 drv->trans->dbg.tcm_error_event_table[1] = addr; 628 drv->trans->dbg.error_event_table_tlv_status |= 629 IWL_ERROR_EVENT_TABLE_TCM2; 630 break; 631 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE: 632 drv->trans->dbg.rcm_error_event_table[0] = addr; 633 drv->trans->dbg.error_event_table_tlv_status |= 634 IWL_ERROR_EVENT_TABLE_RCM1; 635 break; 636 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE: 637 drv->trans->dbg.rcm_error_event_table[1] = addr; 638 drv->trans->dbg.error_event_table_tlv_status |= 639 IWL_ERROR_EVENT_TABLE_RCM2; 640 break; 641 default: 642 break; 643 } 644 } 645 646 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 647 const struct firmware *ucode_raw, 648 struct iwl_firmware_pieces *pieces, 649 struct iwl_ucode_capabilities *capa, 650 bool *usniffer_images) 651 { 652 const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data; 653 const struct iwl_ucode_tlv *tlv; 654 size_t len = ucode_raw->size; 655 const u8 *data; 656 u32 tlv_len; 657 u32 usniffer_img; 658 enum iwl_ucode_tlv_type tlv_type; 659 const u8 *tlv_data; 660 char buildstr[25]; 661 u32 build, paging_mem_size; 662 int num_of_cpus; 663 bool usniffer_req = false; 664 665 if (len < sizeof(*ucode)) { 666 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 667 return -EINVAL; 668 } 669 670 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 671 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 672 le32_to_cpu(ucode->magic)); 673 return -EINVAL; 674 } 675 676 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 677 memcpy(drv->fw.human_readable, ucode->human_readable, 678 sizeof(drv->fw.human_readable)); 679 build = le32_to_cpu(ucode->build); 680 681 if (build) 682 sprintf(buildstr, " build %u", build); 683 else 684 buildstr[0] = '\0'; 685 686 snprintf(drv->fw.fw_version, 687 sizeof(drv->fw.fw_version), 688 "%u.%u.%u.%u%s %s", 689 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 690 IWL_UCODE_MINOR(drv->fw.ucode_ver), 691 IWL_UCODE_API(drv->fw.ucode_ver), 692 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 693 buildstr, iwl_reduced_fw_name(drv)); 694 695 data = ucode->data; 696 697 len -= sizeof(*ucode); 698 699 while (len >= sizeof(*tlv)) { 700 len -= sizeof(*tlv); 701 702 tlv = (const void *)data; 703 tlv_len = le32_to_cpu(tlv->length); 704 tlv_type = le32_to_cpu(tlv->type); 705 tlv_data = tlv->data; 706 707 if (len < tlv_len) { 708 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 709 len, tlv_len); 710 return -EINVAL; 711 } 712 len -= ALIGN(tlv_len, 4); 713 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 714 715 switch (tlv_type) { 716 case IWL_UCODE_TLV_INST: 717 set_sec_data(pieces, IWL_UCODE_REGULAR, 718 IWL_UCODE_SECTION_INST, tlv_data); 719 set_sec_size(pieces, IWL_UCODE_REGULAR, 720 IWL_UCODE_SECTION_INST, tlv_len); 721 set_sec_offset(pieces, IWL_UCODE_REGULAR, 722 IWL_UCODE_SECTION_INST, 723 IWLAGN_RTC_INST_LOWER_BOUND); 724 break; 725 case IWL_UCODE_TLV_DATA: 726 set_sec_data(pieces, IWL_UCODE_REGULAR, 727 IWL_UCODE_SECTION_DATA, tlv_data); 728 set_sec_size(pieces, IWL_UCODE_REGULAR, 729 IWL_UCODE_SECTION_DATA, tlv_len); 730 set_sec_offset(pieces, IWL_UCODE_REGULAR, 731 IWL_UCODE_SECTION_DATA, 732 IWLAGN_RTC_DATA_LOWER_BOUND); 733 break; 734 case IWL_UCODE_TLV_INIT: 735 set_sec_data(pieces, IWL_UCODE_INIT, 736 IWL_UCODE_SECTION_INST, tlv_data); 737 set_sec_size(pieces, IWL_UCODE_INIT, 738 IWL_UCODE_SECTION_INST, tlv_len); 739 set_sec_offset(pieces, IWL_UCODE_INIT, 740 IWL_UCODE_SECTION_INST, 741 IWLAGN_RTC_INST_LOWER_BOUND); 742 break; 743 case IWL_UCODE_TLV_INIT_DATA: 744 set_sec_data(pieces, IWL_UCODE_INIT, 745 IWL_UCODE_SECTION_DATA, tlv_data); 746 set_sec_size(pieces, IWL_UCODE_INIT, 747 IWL_UCODE_SECTION_DATA, tlv_len); 748 set_sec_offset(pieces, IWL_UCODE_INIT, 749 IWL_UCODE_SECTION_DATA, 750 IWLAGN_RTC_DATA_LOWER_BOUND); 751 break; 752 case IWL_UCODE_TLV_BOOT: 753 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 754 break; 755 case IWL_UCODE_TLV_PROBE_MAX_LEN: 756 if (tlv_len != sizeof(u32)) 757 goto invalid_tlv_len; 758 capa->max_probe_length = 759 le32_to_cpup((const __le32 *)tlv_data); 760 break; 761 case IWL_UCODE_TLV_PAN: 762 if (tlv_len) 763 goto invalid_tlv_len; 764 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 765 break; 766 case IWL_UCODE_TLV_FLAGS: 767 /* must be at least one u32 */ 768 if (tlv_len < sizeof(u32)) 769 goto invalid_tlv_len; 770 /* and a proper number of u32s */ 771 if (tlv_len % sizeof(u32)) 772 goto invalid_tlv_len; 773 /* 774 * This driver only reads the first u32 as 775 * right now no more features are defined, 776 * if that changes then either the driver 777 * will not work with the new firmware, or 778 * it'll not take advantage of new features. 779 */ 780 capa->flags = le32_to_cpup((const __le32 *)tlv_data); 781 break; 782 case IWL_UCODE_TLV_API_CHANGES_SET: 783 if (tlv_len != sizeof(struct iwl_ucode_api)) 784 goto invalid_tlv_len; 785 iwl_set_ucode_api_flags(drv, tlv_data, capa); 786 break; 787 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 788 if (tlv_len != sizeof(struct iwl_ucode_capa)) 789 goto invalid_tlv_len; 790 iwl_set_ucode_capabilities(drv, tlv_data, capa); 791 break; 792 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 793 if (tlv_len != sizeof(u32)) 794 goto invalid_tlv_len; 795 pieces->init_evtlog_ptr = 796 le32_to_cpup((const __le32 *)tlv_data); 797 break; 798 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 799 if (tlv_len != sizeof(u32)) 800 goto invalid_tlv_len; 801 pieces->init_evtlog_size = 802 le32_to_cpup((const __le32 *)tlv_data); 803 break; 804 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 805 if (tlv_len != sizeof(u32)) 806 goto invalid_tlv_len; 807 pieces->init_errlog_ptr = 808 le32_to_cpup((const __le32 *)tlv_data); 809 break; 810 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 811 if (tlv_len != sizeof(u32)) 812 goto invalid_tlv_len; 813 pieces->inst_evtlog_ptr = 814 le32_to_cpup((const __le32 *)tlv_data); 815 break; 816 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 817 if (tlv_len != sizeof(u32)) 818 goto invalid_tlv_len; 819 pieces->inst_evtlog_size = 820 le32_to_cpup((const __le32 *)tlv_data); 821 break; 822 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 823 if (tlv_len != sizeof(u32)) 824 goto invalid_tlv_len; 825 pieces->inst_errlog_ptr = 826 le32_to_cpup((const __le32 *)tlv_data); 827 break; 828 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 829 if (tlv_len) 830 goto invalid_tlv_len; 831 drv->fw.enhance_sensitivity_table = true; 832 break; 833 case IWL_UCODE_TLV_WOWLAN_INST: 834 set_sec_data(pieces, IWL_UCODE_WOWLAN, 835 IWL_UCODE_SECTION_INST, tlv_data); 836 set_sec_size(pieces, IWL_UCODE_WOWLAN, 837 IWL_UCODE_SECTION_INST, tlv_len); 838 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 839 IWL_UCODE_SECTION_INST, 840 IWLAGN_RTC_INST_LOWER_BOUND); 841 break; 842 case IWL_UCODE_TLV_WOWLAN_DATA: 843 set_sec_data(pieces, IWL_UCODE_WOWLAN, 844 IWL_UCODE_SECTION_DATA, tlv_data); 845 set_sec_size(pieces, IWL_UCODE_WOWLAN, 846 IWL_UCODE_SECTION_DATA, tlv_len); 847 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 848 IWL_UCODE_SECTION_DATA, 849 IWLAGN_RTC_DATA_LOWER_BOUND); 850 break; 851 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 852 if (tlv_len != sizeof(u32)) 853 goto invalid_tlv_len; 854 capa->standard_phy_calibration_size = 855 le32_to_cpup((const __le32 *)tlv_data); 856 break; 857 case IWL_UCODE_TLV_SEC_RT: 858 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 859 tlv_len); 860 drv->fw.type = IWL_FW_MVM; 861 break; 862 case IWL_UCODE_TLV_SEC_INIT: 863 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 864 tlv_len); 865 drv->fw.type = IWL_FW_MVM; 866 break; 867 case IWL_UCODE_TLV_SEC_WOWLAN: 868 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 869 tlv_len); 870 drv->fw.type = IWL_FW_MVM; 871 break; 872 case IWL_UCODE_TLV_DEF_CALIB: 873 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 874 goto invalid_tlv_len; 875 if (iwl_set_default_calib(drv, tlv_data)) 876 goto tlv_error; 877 break; 878 case IWL_UCODE_TLV_PHY_SKU: 879 if (tlv_len != sizeof(u32)) 880 goto invalid_tlv_len; 881 drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data); 882 drv->fw.valid_tx_ant = (drv->fw.phy_config & 883 FW_PHY_CFG_TX_CHAIN) >> 884 FW_PHY_CFG_TX_CHAIN_POS; 885 drv->fw.valid_rx_ant = (drv->fw.phy_config & 886 FW_PHY_CFG_RX_CHAIN) >> 887 FW_PHY_CFG_RX_CHAIN_POS; 888 break; 889 case IWL_UCODE_TLV_SECURE_SEC_RT: 890 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 891 tlv_len); 892 drv->fw.type = IWL_FW_MVM; 893 break; 894 case IWL_UCODE_TLV_SECURE_SEC_INIT: 895 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 896 tlv_len); 897 drv->fw.type = IWL_FW_MVM; 898 break; 899 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 900 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 901 tlv_len); 902 drv->fw.type = IWL_FW_MVM; 903 break; 904 case IWL_UCODE_TLV_NUM_OF_CPU: 905 if (tlv_len != sizeof(u32)) 906 goto invalid_tlv_len; 907 num_of_cpus = 908 le32_to_cpup((const __le32 *)tlv_data); 909 910 if (num_of_cpus == 2) { 911 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 912 true; 913 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 914 true; 915 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 916 true; 917 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 918 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 919 return -EINVAL; 920 } 921 break; 922 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 923 if (tlv_len != sizeof(u32)) 924 goto invalid_tlv_len; 925 capa->n_scan_channels = 926 le32_to_cpup((const __le32 *)tlv_data); 927 break; 928 case IWL_UCODE_TLV_FW_VERSION: { 929 const __le32 *ptr = (const void *)tlv_data; 930 u32 major, minor; 931 u8 local_comp; 932 933 if (tlv_len != sizeof(u32) * 3) 934 goto invalid_tlv_len; 935 936 major = le32_to_cpup(ptr++); 937 minor = le32_to_cpup(ptr++); 938 local_comp = le32_to_cpup(ptr); 939 940 if (major >= 35) 941 snprintf(drv->fw.fw_version, 942 sizeof(drv->fw.fw_version), 943 "%u.%08x.%u %s", major, minor, 944 local_comp, iwl_reduced_fw_name(drv)); 945 else 946 snprintf(drv->fw.fw_version, 947 sizeof(drv->fw.fw_version), 948 "%u.%u.%u %s", major, minor, 949 local_comp, iwl_reduced_fw_name(drv)); 950 break; 951 } 952 case IWL_UCODE_TLV_FW_DBG_DEST: { 953 const struct iwl_fw_dbg_dest_tlv *dest = NULL; 954 const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 955 u8 mon_mode; 956 957 pieces->dbg_dest_ver = (const u8 *)tlv_data; 958 if (*pieces->dbg_dest_ver == 1) { 959 dest = (const void *)tlv_data; 960 } else if (*pieces->dbg_dest_ver == 0) { 961 dest_v1 = (const void *)tlv_data; 962 } else { 963 IWL_ERR(drv, 964 "The version is %d, and it is invalid\n", 965 *pieces->dbg_dest_ver); 966 break; 967 } 968 969 if (pieces->dbg_dest_tlv_init) { 970 IWL_ERR(drv, 971 "dbg destination ignored, already exists\n"); 972 break; 973 } 974 975 pieces->dbg_dest_tlv_init = true; 976 977 if (dest_v1) { 978 pieces->dbg_dest_tlv_v1 = dest_v1; 979 mon_mode = dest_v1->monitor_mode; 980 } else { 981 pieces->dbg_dest_tlv = dest; 982 mon_mode = dest->monitor_mode; 983 } 984 985 IWL_INFO(drv, "Found debug destination: %s\n", 986 get_fw_dbg_mode_string(mon_mode)); 987 988 drv->fw.dbg.n_dest_reg = (dest_v1) ? 989 tlv_len - 990 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 991 reg_ops) : 992 tlv_len - 993 offsetof(struct iwl_fw_dbg_dest_tlv, 994 reg_ops); 995 996 drv->fw.dbg.n_dest_reg /= 997 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 998 999 break; 1000 } 1001 case IWL_UCODE_TLV_FW_DBG_CONF: { 1002 const struct iwl_fw_dbg_conf_tlv *conf = 1003 (const void *)tlv_data; 1004 1005 if (!pieces->dbg_dest_tlv_init) { 1006 IWL_ERR(drv, 1007 "Ignore dbg config %d - no destination configured\n", 1008 conf->id); 1009 break; 1010 } 1011 1012 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 1013 IWL_ERR(drv, 1014 "Skip unknown configuration: %d\n", 1015 conf->id); 1016 break; 1017 } 1018 1019 if (pieces->dbg_conf_tlv[conf->id]) { 1020 IWL_ERR(drv, 1021 "Ignore duplicate dbg config %d\n", 1022 conf->id); 1023 break; 1024 } 1025 1026 if (conf->usniffer) 1027 usniffer_req = true; 1028 1029 IWL_INFO(drv, "Found debug configuration: %d\n", 1030 conf->id); 1031 1032 pieces->dbg_conf_tlv[conf->id] = conf; 1033 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 1034 break; 1035 } 1036 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 1037 const struct iwl_fw_dbg_trigger_tlv *trigger = 1038 (const void *)tlv_data; 1039 u32 trigger_id = le32_to_cpu(trigger->id); 1040 1041 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 1042 IWL_ERR(drv, 1043 "Skip unknown trigger: %u\n", 1044 trigger->id); 1045 break; 1046 } 1047 1048 if (pieces->dbg_trigger_tlv[trigger_id]) { 1049 IWL_ERR(drv, 1050 "Ignore duplicate dbg trigger %u\n", 1051 trigger->id); 1052 break; 1053 } 1054 1055 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1056 1057 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1058 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1059 break; 1060 } 1061 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1062 if (tlv_len != sizeof(u32)) { 1063 IWL_ERR(drv, 1064 "dbg lst mask size incorrect, skip\n"); 1065 break; 1066 } 1067 1068 drv->fw.dbg.dump_mask = 1069 le32_to_cpup((const __le32 *)tlv_data); 1070 break; 1071 } 1072 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1073 *usniffer_images = true; 1074 iwl_store_ucode_sec(pieces, tlv_data, 1075 IWL_UCODE_REGULAR_USNIFFER, 1076 tlv_len); 1077 break; 1078 case IWL_UCODE_TLV_PAGING: 1079 if (tlv_len != sizeof(u32)) 1080 goto invalid_tlv_len; 1081 paging_mem_size = le32_to_cpup((const __le32 *)tlv_data); 1082 1083 IWL_DEBUG_FW(drv, 1084 "Paging: paging enabled (size = %u bytes)\n", 1085 paging_mem_size); 1086 1087 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1088 IWL_ERR(drv, 1089 "Paging: driver supports up to %lu bytes for paging image\n", 1090 MAX_PAGING_IMAGE_SIZE); 1091 return -EINVAL; 1092 } 1093 1094 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1095 IWL_ERR(drv, 1096 "Paging: image isn't multiple %lu\n", 1097 FW_PAGING_SIZE); 1098 return -EINVAL; 1099 } 1100 1101 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1102 paging_mem_size; 1103 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1104 drv->fw.img[usniffer_img].paging_mem_size = 1105 paging_mem_size; 1106 break; 1107 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1108 /* ignored */ 1109 break; 1110 case IWL_UCODE_TLV_FW_MEM_SEG: { 1111 const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1112 (const void *)tlv_data; 1113 size_t size; 1114 struct iwl_fw_dbg_mem_seg_tlv *n; 1115 1116 if (tlv_len != (sizeof(*dbg_mem))) 1117 goto invalid_tlv_len; 1118 1119 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1120 dbg_mem->data_type); 1121 1122 size = sizeof(*pieces->dbg_mem_tlv) * 1123 (pieces->n_mem_tlv + 1); 1124 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1125 if (!n) 1126 return -ENOMEM; 1127 pieces->dbg_mem_tlv = n; 1128 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1129 pieces->n_mem_tlv++; 1130 break; 1131 } 1132 case IWL_UCODE_TLV_IML: { 1133 drv->fw.iml_len = tlv_len; 1134 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1135 if (!drv->fw.iml) 1136 return -ENOMEM; 1137 break; 1138 } 1139 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1140 const struct { 1141 __le32 buf_addr; 1142 __le32 buf_size; 1143 } *recov_info = (const void *)tlv_data; 1144 1145 if (tlv_len != sizeof(*recov_info)) 1146 goto invalid_tlv_len; 1147 capa->error_log_addr = 1148 le32_to_cpu(recov_info->buf_addr); 1149 capa->error_log_size = 1150 le32_to_cpu(recov_info->buf_size); 1151 } 1152 break; 1153 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1154 const struct { 1155 u8 version[32]; 1156 u8 sha1[20]; 1157 } *fseq_ver = (const void *)tlv_data; 1158 1159 if (tlv_len != sizeof(*fseq_ver)) 1160 goto invalid_tlv_len; 1161 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1162 fseq_ver->version); 1163 } 1164 break; 1165 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1166 if (tlv_len != sizeof(u32)) 1167 goto invalid_tlv_len; 1168 if (le32_to_cpup((const __le32 *)tlv_data) > 1169 IWL_MVM_STATION_COUNT_MAX) { 1170 IWL_ERR(drv, 1171 "%d is an invalid number of station\n", 1172 le32_to_cpup((const __le32 *)tlv_data)); 1173 goto tlv_error; 1174 } 1175 capa->num_stations = 1176 le32_to_cpup((const __le32 *)tlv_data); 1177 break; 1178 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1179 const struct iwl_umac_debug_addrs *dbg_ptrs = 1180 (const void *)tlv_data; 1181 1182 if (tlv_len != sizeof(*dbg_ptrs)) 1183 goto invalid_tlv_len; 1184 if (drv->trans->trans_cfg->device_family < 1185 IWL_DEVICE_FAMILY_22000) 1186 break; 1187 drv->trans->dbg.umac_error_event_table = 1188 le32_to_cpu(dbg_ptrs->error_info_addr) & 1189 ~FW_ADDR_CACHE_CONTROL; 1190 drv->trans->dbg.error_event_table_tlv_status |= 1191 IWL_ERROR_EVENT_TABLE_UMAC; 1192 break; 1193 } 1194 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1195 const struct iwl_lmac_debug_addrs *dbg_ptrs = 1196 (const void *)tlv_data; 1197 1198 if (tlv_len != sizeof(*dbg_ptrs)) 1199 goto invalid_tlv_len; 1200 if (drv->trans->trans_cfg->device_family < 1201 IWL_DEVICE_FAMILY_22000) 1202 break; 1203 drv->trans->dbg.lmac_error_event_table[0] = 1204 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1205 ~FW_ADDR_CACHE_CONTROL; 1206 drv->trans->dbg.error_event_table_tlv_status |= 1207 IWL_ERROR_EVENT_TABLE_LMAC1; 1208 break; 1209 } 1210 case IWL_UCODE_TLV_TYPE_REGIONS: 1211 iwl_parse_dbg_tlv_assert_tables(drv, tlv); 1212 fallthrough; 1213 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1214 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1215 case IWL_UCODE_TLV_TYPE_HCMD: 1216 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1217 case IWL_UCODE_TLV_TYPE_CONF_SET: 1218 if (iwlwifi_mod_params.enable_ini) 1219 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1220 break; 1221 case IWL_UCODE_TLV_CMD_VERSIONS: 1222 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1223 IWL_ERR(drv, 1224 "Invalid length for command versions: %u\n", 1225 tlv_len); 1226 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1227 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1228 } 1229 if (WARN_ON(capa->cmd_versions)) 1230 return -EINVAL; 1231 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1232 GFP_KERNEL); 1233 if (!capa->cmd_versions) 1234 return -ENOMEM; 1235 capa->n_cmd_versions = 1236 tlv_len / sizeof(struct iwl_fw_cmd_version); 1237 break; 1238 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION: 1239 if (drv->fw.phy_integration_ver) { 1240 IWL_ERR(drv, 1241 "phy integration str ignored, already exists\n"); 1242 break; 1243 } 1244 1245 drv->fw.phy_integration_ver = 1246 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1247 if (!drv->fw.phy_integration_ver) 1248 return -ENOMEM; 1249 drv->fw.phy_integration_ver_len = tlv_len; 1250 break; 1251 case IWL_UCODE_TLV_SEC_TABLE_ADDR: 1252 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR: 1253 iwl_drv_set_dump_exclude(drv, tlv_type, 1254 tlv_data, tlv_len); 1255 break; 1256 default: 1257 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1258 break; 1259 } 1260 } 1261 1262 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1263 usniffer_req && !*usniffer_images) { 1264 IWL_ERR(drv, 1265 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1266 return -EINVAL; 1267 } 1268 1269 if (len) { 1270 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1271 #if defined(__linux__) 1272 iwl_print_hex_dump(drv, IWL_DL_FW, data, len); 1273 #elif defined(__FreeBSD__) 1274 #ifdef CONFIG_IWLWIFI_DEBUGFS 1275 iwl_print_hex_dump(drv, IWL_DL_FW, "TLV ", data, len); 1276 #endif 1277 #endif 1278 return -EINVAL; 1279 } 1280 1281 return 0; 1282 1283 invalid_tlv_len: 1284 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1285 tlv_error: 1286 #if defined(__linux__) 1287 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1288 #elif defined(__FreeBSD__) 1289 #ifdef CONFIG_IWLWIFI_DEBUGFS 1290 iwl_print_hex_dump(drv, IWL_DL_FW, "TLV ", tlv_data, tlv_len); 1291 #endif 1292 #endif 1293 1294 return -EINVAL; 1295 } 1296 1297 static int iwl_alloc_ucode(struct iwl_drv *drv, 1298 struct iwl_firmware_pieces *pieces, 1299 enum iwl_ucode_type type) 1300 { 1301 int i; 1302 struct fw_desc *sec; 1303 1304 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1305 if (!sec) 1306 return -ENOMEM; 1307 drv->fw.img[type].sec = sec; 1308 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1309 1310 for (i = 0; i < pieces->img[type].sec_counter; i++) 1311 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1312 return -ENOMEM; 1313 1314 return 0; 1315 } 1316 1317 static int validate_sec_sizes(struct iwl_drv *drv, 1318 struct iwl_firmware_pieces *pieces, 1319 const struct iwl_cfg *cfg) 1320 { 1321 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1322 get_sec_size(pieces, IWL_UCODE_REGULAR, 1323 IWL_UCODE_SECTION_INST)); 1324 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1325 get_sec_size(pieces, IWL_UCODE_REGULAR, 1326 IWL_UCODE_SECTION_DATA)); 1327 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1328 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1329 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1330 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1331 1332 /* Verify that uCode images will fit in card's SRAM. */ 1333 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1334 cfg->max_inst_size) { 1335 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1336 get_sec_size(pieces, IWL_UCODE_REGULAR, 1337 IWL_UCODE_SECTION_INST)); 1338 return -1; 1339 } 1340 1341 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1342 cfg->max_data_size) { 1343 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1344 get_sec_size(pieces, IWL_UCODE_REGULAR, 1345 IWL_UCODE_SECTION_DATA)); 1346 return -1; 1347 } 1348 1349 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1350 cfg->max_inst_size) { 1351 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1352 get_sec_size(pieces, IWL_UCODE_INIT, 1353 IWL_UCODE_SECTION_INST)); 1354 return -1; 1355 } 1356 1357 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1358 cfg->max_data_size) { 1359 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1360 get_sec_size(pieces, IWL_UCODE_REGULAR, 1361 IWL_UCODE_SECTION_DATA)); 1362 return -1; 1363 } 1364 return 0; 1365 } 1366 1367 static struct iwl_op_mode * 1368 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1369 { 1370 const struct iwl_op_mode_ops *ops = op->ops; 1371 struct dentry *dbgfs_dir = NULL; 1372 struct iwl_op_mode *op_mode = NULL; 1373 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY; 1374 1375 for (retry = 0; retry <= max_retry; retry++) { 1376 1377 #ifdef CONFIG_IWLWIFI_DEBUGFS 1378 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1379 drv->dbgfs_drv); 1380 dbgfs_dir = drv->dbgfs_op_mode; 1381 #endif 1382 1383 op_mode = ops->start(drv->trans, drv->trans->cfg, 1384 &drv->fw, dbgfs_dir); 1385 1386 if (op_mode) 1387 return op_mode; 1388 1389 IWL_ERR(drv, "retry init count %d\n", retry); 1390 1391 #ifdef CONFIG_IWLWIFI_DEBUGFS 1392 debugfs_remove_recursive(drv->dbgfs_op_mode); 1393 drv->dbgfs_op_mode = NULL; 1394 #endif 1395 } 1396 1397 return NULL; 1398 } 1399 1400 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1401 { 1402 /* op_mode can be NULL if its start failed */ 1403 if (drv->op_mode) { 1404 iwl_op_mode_stop(drv->op_mode); 1405 drv->op_mode = NULL; 1406 1407 #ifdef CONFIG_IWLWIFI_DEBUGFS 1408 debugfs_remove_recursive(drv->dbgfs_op_mode); 1409 drv->dbgfs_op_mode = NULL; 1410 #endif 1411 } 1412 } 1413 1414 /* 1415 * iwl_req_fw_callback - callback when firmware was loaded 1416 * 1417 * If loaded successfully, copies the firmware into buffers 1418 * for the card to fetch (via DMA). 1419 */ 1420 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1421 { 1422 struct iwl_drv *drv = context; 1423 struct iwl_fw *fw = &drv->fw; 1424 const struct iwl_ucode_header *ucode; 1425 struct iwlwifi_opmode_table *op; 1426 int err; 1427 struct iwl_firmware_pieces *pieces; 1428 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1429 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1430 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1431 u32 api_ver; 1432 int i; 1433 bool load_module = false; 1434 bool usniffer_images = false; 1435 bool failure = true; 1436 1437 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1438 fw->ucode_capa.standard_phy_calibration_size = 1439 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1440 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1441 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; 1442 /* dump all fw memory areas by default */ 1443 fw->dbg.dump_mask = 0xffffffff; 1444 1445 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1446 if (!pieces) 1447 goto out_free_fw; 1448 1449 if (!ucode_raw) 1450 goto try_again; 1451 1452 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1453 drv->firmware_name, ucode_raw->size); 1454 1455 /* Make sure that we got at least the API version number */ 1456 if (ucode_raw->size < 4) { 1457 IWL_ERR(drv, "File size way too small!\n"); 1458 goto try_again; 1459 } 1460 1461 /* Data from ucode file: header followed by uCode images */ 1462 ucode = (const struct iwl_ucode_header *)ucode_raw->data; 1463 1464 if (ucode->ver) 1465 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1466 else 1467 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1468 &fw->ucode_capa, &usniffer_images); 1469 1470 if (err) 1471 goto try_again; 1472 1473 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1474 api_ver = drv->fw.ucode_ver; 1475 else 1476 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1477 1478 /* 1479 * api_ver should match the api version forming part of the 1480 * firmware filename ... but we don't check for that and only rely 1481 * on the API version read from firmware header from here on forward 1482 */ 1483 if (api_ver < api_min || api_ver > api_max) { 1484 IWL_ERR(drv, 1485 "Driver unable to support your firmware API. " 1486 "Driver supports v%u, firmware is v%u.\n", 1487 api_max, api_ver); 1488 goto try_again; 1489 } 1490 1491 /* 1492 * In mvm uCode there is no difference between data and instructions 1493 * sections. 1494 */ 1495 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1496 drv->trans->cfg)) 1497 goto try_again; 1498 1499 /* Allocate ucode buffers for card's bus-master loading ... */ 1500 1501 /* Runtime instructions and 2 copies of data: 1502 * 1) unmodified from disk 1503 * 2) backup cache for save/restore during power-downs 1504 */ 1505 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1506 if (iwl_alloc_ucode(drv, pieces, i)) 1507 goto out_free_fw; 1508 1509 if (pieces->dbg_dest_tlv_init) { 1510 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1511 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1512 drv->fw.dbg.n_dest_reg; 1513 1514 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1515 1516 if (!drv->fw.dbg.dest_tlv) 1517 goto out_free_fw; 1518 1519 if (*pieces->dbg_dest_ver == 0) { 1520 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1521 dbg_dest_size); 1522 } else { 1523 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1524 drv->fw.dbg.dest_tlv; 1525 1526 dest_tlv->version = pieces->dbg_dest_tlv->version; 1527 dest_tlv->monitor_mode = 1528 pieces->dbg_dest_tlv->monitor_mode; 1529 dest_tlv->size_power = 1530 pieces->dbg_dest_tlv->size_power; 1531 dest_tlv->wrap_count = 1532 pieces->dbg_dest_tlv->wrap_count; 1533 dest_tlv->write_ptr_reg = 1534 pieces->dbg_dest_tlv->write_ptr_reg; 1535 dest_tlv->base_shift = 1536 pieces->dbg_dest_tlv->base_shift; 1537 memcpy(dest_tlv->reg_ops, 1538 pieces->dbg_dest_tlv->reg_ops, 1539 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1540 drv->fw.dbg.n_dest_reg); 1541 1542 /* In version 1 of the destination tlv, which is 1543 * relevant for internal buffer exclusively, 1544 * the base address is part of given with the length 1545 * of the buffer, and the size shift is give instead of 1546 * end shift. We now store these values in base_reg, 1547 * and end shift, and when dumping the data we'll 1548 * manipulate it for extracting both the length and 1549 * base address */ 1550 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1551 dest_tlv->end_shift = 1552 pieces->dbg_dest_tlv->size_shift; 1553 } 1554 } 1555 1556 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1557 if (pieces->dbg_conf_tlv[i]) { 1558 drv->fw.dbg.conf_tlv[i] = 1559 kmemdup(pieces->dbg_conf_tlv[i], 1560 pieces->dbg_conf_tlv_len[i], 1561 GFP_KERNEL); 1562 if (!drv->fw.dbg.conf_tlv[i]) 1563 goto out_free_fw; 1564 } 1565 } 1566 1567 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1568 1569 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1570 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1571 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1572 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1573 sizeof(struct iwl_fw_dbg_trigger_cmd); 1574 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1575 sizeof(struct iwl_fw_dbg_trigger_mlme); 1576 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1577 sizeof(struct iwl_fw_dbg_trigger_stats); 1578 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1579 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1580 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1581 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1582 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1583 sizeof(struct iwl_fw_dbg_trigger_time_event); 1584 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1585 sizeof(struct iwl_fw_dbg_trigger_ba); 1586 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1587 sizeof(struct iwl_fw_dbg_trigger_tdls); 1588 1589 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1590 if (pieces->dbg_trigger_tlv[i]) { 1591 /* 1592 * If the trigger isn't long enough, WARN and exit. 1593 * Someone is trying to debug something and he won't 1594 * be able to catch the bug he is trying to chase. 1595 * We'd better be noisy to be sure he knows what's 1596 * going on. 1597 */ 1598 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1599 (trigger_tlv_sz[i] + 1600 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1601 goto out_free_fw; 1602 drv->fw.dbg.trigger_tlv_len[i] = 1603 pieces->dbg_trigger_tlv_len[i]; 1604 drv->fw.dbg.trigger_tlv[i] = 1605 kmemdup(pieces->dbg_trigger_tlv[i], 1606 drv->fw.dbg.trigger_tlv_len[i], 1607 GFP_KERNEL); 1608 if (!drv->fw.dbg.trigger_tlv[i]) 1609 goto out_free_fw; 1610 } 1611 } 1612 1613 /* Now that we can no longer fail, copy information */ 1614 1615 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1616 pieces->dbg_mem_tlv = NULL; 1617 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1618 1619 /* 1620 * The (size - 16) / 12 formula is based on the information recorded 1621 * for each event, which is of mode 1 (including timestamp) for all 1622 * new microcodes that include this information. 1623 */ 1624 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1625 if (pieces->init_evtlog_size) 1626 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1627 else 1628 fw->init_evtlog_size = 1629 drv->trans->trans_cfg->base_params->max_event_log_size; 1630 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1631 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1632 if (pieces->inst_evtlog_size) 1633 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1634 else 1635 fw->inst_evtlog_size = 1636 drv->trans->trans_cfg->base_params->max_event_log_size; 1637 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1638 1639 /* 1640 * figure out the offset of chain noise reset and gain commands 1641 * base on the size of standard phy calibration commands table size 1642 */ 1643 if (fw->ucode_capa.standard_phy_calibration_size > 1644 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1645 fw->ucode_capa.standard_phy_calibration_size = 1646 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1647 1648 /* We have our copies now, allow OS release its copies */ 1649 release_firmware(ucode_raw); 1650 1651 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1652 1653 mutex_lock(&iwlwifi_opmode_table_mtx); 1654 switch (fw->type) { 1655 case IWL_FW_DVM: 1656 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1657 break; 1658 default: 1659 WARN(1, "Invalid fw type %d\n", fw->type); 1660 fallthrough; 1661 case IWL_FW_MVM: 1662 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1663 break; 1664 } 1665 1666 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1667 drv->fw.fw_version, op->name); 1668 1669 /* add this device to the list of devices using this op_mode */ 1670 list_add_tail(&drv->list, &op->drv); 1671 1672 if (op->ops) { 1673 drv->op_mode = _iwl_op_mode_start(drv, op); 1674 1675 if (!drv->op_mode) { 1676 mutex_unlock(&iwlwifi_opmode_table_mtx); 1677 goto out_unbind; 1678 } 1679 } else { 1680 load_module = true; 1681 } 1682 mutex_unlock(&iwlwifi_opmode_table_mtx); 1683 1684 /* 1685 * Complete the firmware request last so that 1686 * a driver unbind (stop) doesn't run while we 1687 * are doing the start() above. 1688 */ 1689 complete(&drv->request_firmware_complete); 1690 1691 /* 1692 * Load the module last so we don't block anything 1693 * else from proceeding if the module fails to load 1694 * or hangs loading. 1695 */ 1696 if (load_module) 1697 request_module("%s", op->name); 1698 failure = false; 1699 goto free; 1700 1701 try_again: 1702 /* try next, if any */ 1703 release_firmware(ucode_raw); 1704 if (iwl_request_firmware(drv, false)) 1705 goto out_unbind; 1706 goto free; 1707 1708 out_free_fw: 1709 release_firmware(ucode_raw); 1710 out_unbind: 1711 complete(&drv->request_firmware_complete); 1712 device_release_driver(drv->trans->dev); 1713 /* drv has just been freed by the release */ 1714 failure = false; 1715 free: 1716 if (failure) 1717 iwl_dealloc_ucode(drv); 1718 1719 if (pieces) { 1720 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1721 kfree(pieces->img[i].sec); 1722 kfree(pieces->dbg_mem_tlv); 1723 kfree(pieces); 1724 } 1725 } 1726 1727 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1728 { 1729 struct iwl_drv *drv; 1730 int ret; 1731 1732 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1733 if (!drv) { 1734 ret = -ENOMEM; 1735 goto err; 1736 } 1737 1738 drv->trans = trans; 1739 drv->dev = trans->dev; 1740 1741 init_completion(&drv->request_firmware_complete); 1742 #if defined(__FreeBSD__) 1743 init_completion(&drv->drv_start_complete); 1744 #endif 1745 INIT_LIST_HEAD(&drv->list); 1746 1747 #ifdef CONFIG_IWLWIFI_DEBUGFS 1748 /* Create the device debugfs entries. */ 1749 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1750 iwl_dbgfs_root); 1751 1752 /* Create transport layer debugfs dir */ 1753 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1754 #endif 1755 1756 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1757 1758 ret = iwl_request_firmware(drv, true); 1759 if (ret) { 1760 IWL_ERR(trans, "Couldn't request the fw\n"); 1761 goto err_fw; 1762 } 1763 1764 #if defined(__FreeBSD__) 1765 /* 1766 * Wait until initilization is done before returning in order to 1767 * replicate FreeBSD's synchronous behaviour -- we cannot create 1768 * a vap before the com is fully created but if LinuxKPI "probe" 1769 * returned before it was all done that is what could happen. 1770 */ 1771 wait_for_completion(&drv->request_firmware_complete); 1772 complete(&drv->drv_start_complete); 1773 #endif 1774 1775 return drv; 1776 1777 err_fw: 1778 #ifdef CONFIG_IWLWIFI_DEBUGFS 1779 debugfs_remove_recursive(drv->dbgfs_drv); 1780 iwl_dbg_tlv_free(drv->trans); 1781 #endif 1782 kfree(drv); 1783 err: 1784 return ERR_PTR(ret); 1785 } 1786 1787 void iwl_drv_stop(struct iwl_drv *drv) 1788 { 1789 #if defined(__linux__) 1790 wait_for_completion(&drv->request_firmware_complete); 1791 #elif defined(__FreeBSD__) 1792 wait_for_completion(&drv->drv_start_complete); 1793 #endif 1794 1795 _iwl_op_mode_stop(drv); 1796 1797 iwl_dealloc_ucode(drv); 1798 1799 mutex_lock(&iwlwifi_opmode_table_mtx); 1800 /* 1801 * List is empty (this item wasn't added) 1802 * when firmware loading failed -- in that 1803 * case we can't remove it from any list. 1804 */ 1805 if (!list_empty(&drv->list)) 1806 list_del(&drv->list); 1807 mutex_unlock(&iwlwifi_opmode_table_mtx); 1808 1809 #ifdef CONFIG_IWLWIFI_DEBUGFS 1810 drv->trans->ops->debugfs_cleanup(drv->trans); 1811 1812 debugfs_remove_recursive(drv->dbgfs_drv); 1813 #endif 1814 1815 iwl_dbg_tlv_free(drv->trans); 1816 1817 kfree(drv); 1818 } 1819 1820 #define ENABLE_INI (IWL_DBG_TLV_MAX_PRESET + 1) 1821 1822 /* shared module parameters */ 1823 struct iwl_mod_params iwlwifi_mod_params = { 1824 .fw_restart = true, 1825 .bt_coex_active = true, 1826 .power_level = IWL_POWER_INDEX_1, 1827 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1828 .enable_ini = ENABLE_INI, 1829 #if defined(__FreeBSD__) 1830 .disable_11n = 1, 1831 .disable_11ac = true, 1832 .disable_11ax = true, 1833 #endif 1834 /* the rest are 0 by default */ 1835 }; 1836 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1837 1838 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1839 { 1840 int i; 1841 struct iwl_drv *drv; 1842 struct iwlwifi_opmode_table *op; 1843 1844 mutex_lock(&iwlwifi_opmode_table_mtx); 1845 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1846 op = &iwlwifi_opmode_table[i]; 1847 if (strcmp(op->name, name)) 1848 continue; 1849 op->ops = ops; 1850 /* TODO: need to handle exceptional case */ 1851 list_for_each_entry(drv, &op->drv, list) 1852 drv->op_mode = _iwl_op_mode_start(drv, op); 1853 1854 mutex_unlock(&iwlwifi_opmode_table_mtx); 1855 return 0; 1856 } 1857 mutex_unlock(&iwlwifi_opmode_table_mtx); 1858 return -EIO; 1859 } 1860 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1861 1862 void iwl_opmode_deregister(const char *name) 1863 { 1864 int i; 1865 struct iwl_drv *drv; 1866 1867 mutex_lock(&iwlwifi_opmode_table_mtx); 1868 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1869 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1870 continue; 1871 iwlwifi_opmode_table[i].ops = NULL; 1872 1873 /* call the stop routine for all devices */ 1874 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1875 _iwl_op_mode_stop(drv); 1876 1877 mutex_unlock(&iwlwifi_opmode_table_mtx); 1878 return; 1879 } 1880 mutex_unlock(&iwlwifi_opmode_table_mtx); 1881 } 1882 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1883 1884 static int __init iwl_drv_init(void) 1885 { 1886 int i, err; 1887 1888 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1889 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1890 1891 pr_info(DRV_DESCRIPTION "\n"); 1892 1893 #ifdef CONFIG_IWLWIFI_DEBUGFS 1894 /* Create the root of iwlwifi debugfs subsystem. */ 1895 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1896 #endif 1897 1898 err = iwl_pci_register_driver(); 1899 if (err) 1900 goto cleanup_debugfs; 1901 1902 return 0; 1903 1904 cleanup_debugfs: 1905 #ifdef CONFIG_IWLWIFI_DEBUGFS 1906 debugfs_remove_recursive(iwl_dbgfs_root); 1907 #endif 1908 return err; 1909 } 1910 module_init(iwl_drv_init); 1911 1912 static void __exit iwl_drv_exit(void) 1913 { 1914 iwl_pci_unregister_driver(); 1915 1916 #ifdef CONFIG_IWLWIFI_DEBUGFS 1917 debugfs_remove_recursive(iwl_dbgfs_root); 1918 #endif 1919 } 1920 module_exit(iwl_drv_exit); 1921 1922 #ifdef CONFIG_IWLWIFI_DEBUG 1923 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1924 MODULE_PARM_DESC(debug, "debug output mask"); 1925 #endif 1926 1927 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1928 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1929 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1930 MODULE_PARM_DESC(11n_disable, 1931 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1932 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1933 MODULE_PARM_DESC(amsdu_size, 1934 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 1935 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); 1936 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1937 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1938 1939 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1940 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1941 1942 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1943 MODULE_PARM_DESC(uapsd_disable, 1944 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1945 1946 #if defined(__linux__) 1947 static int enable_ini_set(const char *arg, const struct kernel_param *kp) 1948 { 1949 int ret = 0; 1950 bool res; 1951 __u32 new_enable_ini; 1952 1953 /* in case the argument type is a number */ 1954 ret = kstrtou32(arg, 0, &new_enable_ini); 1955 if (!ret) { 1956 if (new_enable_ini > ENABLE_INI) { 1957 pr_err("enable_ini cannot be %d, in range 0-16\n", new_enable_ini); 1958 return -EINVAL; 1959 } 1960 goto out; 1961 } 1962 1963 /* in case the argument type is boolean */ 1964 ret = kstrtobool(arg, &res); 1965 if (ret) 1966 return ret; 1967 new_enable_ini = (res ? ENABLE_INI : 0); 1968 1969 out: 1970 iwlwifi_mod_params.enable_ini = new_enable_ini; 1971 return 0; 1972 } 1973 1974 static const struct kernel_param_ops enable_ini_ops = { 1975 .set = enable_ini_set 1976 }; 1977 1978 module_param_cb(enable_ini, &enable_ini_ops, &iwlwifi_mod_params.enable_ini, 0644); 1979 MODULE_PARM_DESC(enable_ini, 1980 "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined," 1981 "Debug INI TLV FW debug infrastructure (default: 16)"); 1982 #endif 1983 1984 /* 1985 * set bt_coex_active to true, uCode will do kill/defer 1986 * every time the priority line is asserted (BT is sending signals on the 1987 * priority line in the PCIx). 1988 * set bt_coex_active to false, uCode will ignore the BT activity and 1989 * perform the normal operation 1990 * 1991 * User might experience transmit issue on some platform due to WiFi/BT 1992 * co-exist problem. The possible behaviors are: 1993 * Able to scan and finding all the available AP 1994 * Not able to associate with any AP 1995 * On those platforms, WiFi communication can be restored by set 1996 * "bt_coex_active" module parameter to "false" 1997 * 1998 * default: bt_coex_active = true (BT_COEX_ENABLE) 1999 */ 2000 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 2001 bool, 0444); 2002 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 2003 2004 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 2005 MODULE_PARM_DESC(led_mode, "0=system default, " 2006 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 2007 2008 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 2009 MODULE_PARM_DESC(power_save, 2010 "enable WiFi power management (default: disable)"); 2011 2012 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 2013 MODULE_PARM_DESC(power_level, 2014 "default power save level (range from 1 - 5, default: 1)"); 2015 2016 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 2017 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 2018 2019 module_param_named(remove_when_gone, 2020 iwlwifi_mod_params.remove_when_gone, bool, 2021 0444); 2022 MODULE_PARM_DESC(remove_when_gone, 2023 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 2024 2025 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 2026 S_IRUGO); 2027 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
Cache object: dbfa50e3f10c70ce6a9041b0f5d7cb14
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