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